18ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 28ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth.c - PPP authentication and phase control. 38ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 48ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Copyright (c) 1993-2002 Paul Mackerras. All rights reserved. 58ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 68ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Redistribution and use in source and binary forms, with or without 78ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * modification, are permitted provided that the following conditions 88ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * are met: 98ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * notice, this list of conditions and the following disclaimer. 128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 2. The name(s) of the authors of this software must not be used to 148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * endorse or promote products derived from this software without 158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * prior written permission. 168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 3. Redistributions of any form whatsoever must retain the following 188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * acknowledgment: 198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * "This product includes software developed by Paul Mackerras 208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * <paulus@samba.org>". 218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO 238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY 258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Derived from main.c, which is: 318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. 338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Redistribution and use in source and binary forms, with or without 358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * modification, are permitted provided that the following conditions 368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * are met: 378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * notice, this list of conditions and the following disclaimer. 408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * notice, this list of conditions and the following disclaimer in 438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * the documentation and/or other materials provided with the 448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * distribution. 458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 3. The name "Carnegie Mellon University" must not be used to 478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * endorse or promote products derived from this software without 488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * prior written permission. For permission or any legal 498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * details, please contact 508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Office of Technology Transfer 518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Carnegie Mellon University 528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 5000 Forbes Avenue 538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Pittsburgh, PA 15213-3890 548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * (412) 268-4387, fax: (412) 268-7395 558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * tech-transfer@andrew.cmu.edu 568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 4. Redistributions of any form whatsoever must retain the following 588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * acknowledgment: 598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * "This product includes software developed by Computing Services 608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * at Carnegie Mellon University (http://www.cmu.edu/computing/)." 618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO 638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE 658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#define RCSID "$Id: auth.c,v 1.101 2004/11/12 10:30:51 paulus Exp $" 728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <stdio.h> 748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <stddef.h> 758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <stdlib.h> 768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <unistd.h> 778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <errno.h> 788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <pwd.h> 798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <grp.h> 808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <string.h> 818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <sys/types.h> 828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <sys/stat.h> 838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <sys/socket.h> 848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <utmp.h> 858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <fcntl.h> 868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#if defined(_PATH_LASTLOG) && defined(__linux__) 878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <lastlog.h> 888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <netdb.h> 918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <netinet/in.h> 928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <arpa/inet.h> 938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef USE_PAM 958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <security/pam_appl.h> 968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef HAS_SHADOW 998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <shadow.h> 1008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifndef PW_PPP 1018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#define PW_PPP PW_LOGIN 1028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 1038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 1048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include <time.h> 1058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "pppd.h" 1078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "fsm.h" 1088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "lcp.h" 1098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "ccp.h" 1108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "ecp.h" 1118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "ipcp.h" 1128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "upap.h" 1138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "chap-new.h" 1148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "eap.h" 1158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CBCP_SUPPORT 1168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "cbcp.h" 1178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 1188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#include "pathnames.h" 1198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic const char rcsid[] = RCSID; 1218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Bits in scan_authfile return value */ 1238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#define NONWILD_SERVER 1 1248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#define NONWILD_CLIENT 2 1258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#define ISWILD(word) (word[0] == '*' && word[1] == 0) 1278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* The name by which the peer authenticated itself to us. */ 1298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectchar peer_authname[MAXNAMELEN]; 1308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Records which authentication operations haven't completed yet. */ 1328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int auth_pending[NUM_PPP]; 1338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Records which authentication operations have been completed. */ 1358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint auth_done[NUM_PPP]; 1368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Set if we have successfully called plogin() */ 1388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int logged_in; 1398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* List of addresses which the peer may use. */ 1418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic struct permitted_ip *addresses[NUM_PPP]; 1428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Wordlist giving addresses which the peer may use 1448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project without authenticating itself. */ 1458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic struct wordlist *noauth_addrs; 1468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Remote telephone number, if available */ 1488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectchar remote_number[MAXNAMELEN]; 1498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Wordlist giving remote telephone numbers which may connect. */ 1518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic struct wordlist *permitted_numbers; 1528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Extra options to apply, from the secrets file entry for the peer. */ 1548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic struct wordlist *extra_options; 1558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Number of network protocols which we have opened. */ 1578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int num_np_open; 1588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Number of network protocols which have come up. */ 1608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int num_np_up; 1618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Set if we got the contents of passwd[] from the pap-secrets file. */ 1638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int passwd_from_file; 1648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Set if we require authentication only because we have a default route. */ 1668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic bool default_auth; 1678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook to enable a plugin to control the idle time limit */ 1698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*idle_time_hook) __P((struct ppp_idle *)) = NULL; 1708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to say whether we can possibly authenticate any peer */ 1728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*pap_check_hook) __P((void)) = NULL; 1738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to check the PAP user and password */ 1758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*pap_auth_hook) __P((char *user, char *passwd, char **msgp, 1768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist **paddrs, 1778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist **popts)) = NULL; 1788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to know about the PAP user logout */ 1808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid (*pap_logout_hook) __P((void)) = NULL; 1818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to get the PAP password for authenticating us */ 1838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*pap_passwd_hook) __P((char *user, char *passwd)) = NULL; 1848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to say if we can possibly authenticate a peer using CHAP */ 1868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*chap_check_hook) __P((void)) = NULL; 1878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to get the CHAP password for authenticating us */ 1898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*chap_passwd_hook) __P((char *user, char *passwd)) = NULL; 1908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Hook for a plugin to say whether it is OK if the peer 1928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project refuses to authenticate. */ 1938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*null_auth_hook) __P((struct wordlist **paddrs, 1948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist **popts)) = NULL; 1958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint (*allowed_address_hook) __P((u_int32_t addr)) = NULL; 1978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* A notifier for when the peer has authenticated itself, 1998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project and we are proceeding to the network phase. */ 2008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstruct notifier *auth_up_notifier = NULL; 2018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* A notifier for when the link goes down. */ 2038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstruct notifier *link_down_notifier = NULL; 2048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 2068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * This is used to ensure that we don't start an auth-up/down 2078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * script while one is already running. 2088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 2098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectenum script_state { 2108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project s_down, 2118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project s_up 2128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project}; 2138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic enum script_state auth_state = s_down; 2158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic enum script_state auth_script_state = s_down; 2168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic pid_t auth_script_pid = 0; 2178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int used_login; /* peer authenticated against login database */ 2198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 2218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Option variables. 2228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 2238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool uselogin = 0; /* Use /etc/passwd for checking PAP */ 2248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool cryptpap = 0; /* Passwords in pap-secrets are encrypted */ 2258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_pap = 0; /* Don't wanna auth. ourselves with PAP */ 2268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_chap = 0; /* Don't wanna auth. ourselves with CHAP */ 2278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_eap = 0; /* Don't wanna auth. ourselves with EAP */ 2288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CHAPMS 2298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_mschap = 0; /* Don't wanna auth. ourselves with MS-CHAP */ 2308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_mschap_v2 = 0; /* Don't wanna auth. ourselves with MS-CHAPv2 */ 2318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#else 2328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_mschap = 1; /* Don't wanna auth. ourselves with MS-CHAP */ 2338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool refuse_mschap_v2 = 1; /* Don't wanna auth. ourselves with MS-CHAPv2 */ 2348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 2358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool usehostname = 0; /* Use hostname for our_name */ 2368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool auth_required = 0; /* Always require authentication from peer */ 2378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool allow_any_ip = 0; /* Allow peer to use any IP address */ 2388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbool explicit_remote = 0; /* User specified explicit remote name */ 2398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectchar remote_name[MAXNAMELEN]; /* Peer's name for authentication */ 2408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic char *uafname; /* name of most recent +ua file */ 2428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectextern char *crypt __P((const char *, const char *)); 2448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Prototypes for procedures local to this file. */ 2468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void network_phase __P((int)); 2488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void check_idle __P((void *)); 2498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void connect_time_expired __P((void *)); 2508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int plogin __P((char *, char *, char **)); 2518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void plogout __P((void)); 2528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int null_login __P((int)); 2538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int get_pap_passwd __P((char *)); 2548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int have_pap_secret __P((int *)); 2558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int have_chap_secret __P((char *, char *, int, int *)); 2568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int have_srp_secret __P((char *client, char *server, int need_ip, 2578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int *lacks_ipp)); 2588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int ip_addr_check __P((u_int32_t, struct permitted_ip *)); 2598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int scan_authfile __P((FILE *, char *, char *, char *, 2608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist **, struct wordlist **, 2618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *, int)); 2628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void free_wordlist __P((struct wordlist *)); 2638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void auth_script __P((char *)); 2648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void auth_script_done __P((void *)); 2658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void set_allowed_addrs __P((int, struct wordlist *, struct wordlist *)); 2668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int some_ip_ok __P((struct wordlist *)); 2678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int setupapfile __P((char **)); 2688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int privgroup __P((char **)); 2698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int set_noauth_addr __P((char **)); 2708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int set_permitted_number __P((char **)); 2718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void check_access __P((FILE *, char *)); 2728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int wordlist_count __P((struct wordlist *)); 2738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef MAXOCTETS 2758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void check_maxoctets __P((void *)); 2768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 2778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 2788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 2798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Authentication-related options. 2808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 2818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectoption_t auth_options[] = { 2828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "auth", o_bool, &auth_required, 2838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require authentication from peer", OPT_PRIO | 1 }, 2848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "noauth", o_bool, &auth_required, 2858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't require peer to authenticate", OPT_PRIOSUB | OPT_PRIV, 2868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &allow_any_ip }, 2878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "require-pap", o_bool, &lcp_wantoptions[0].neg_upap, 2888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require PAP authentication from peer", 2898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIOSUB | 1, &auth_required }, 2908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "+pap", o_bool, &lcp_wantoptions[0].neg_upap, 2918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require PAP authentication from peer", 2928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_PRIOSUB | 1, &auth_required }, 2938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "require-chap", o_bool, &auth_required, 2948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require CHAP authentication from peer", 2958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIOSUB | OPT_A2OR | MDTYPE_MD5, 2968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_wantoptions[0].chap_mdtype }, 2978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "+chap", o_bool, &auth_required, 2988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require CHAP authentication from peer", 2998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_PRIOSUB | OPT_A2OR | MDTYPE_MD5, 3008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_wantoptions[0].chap_mdtype }, 3018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CHAPMS 3028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "require-mschap", o_bool, &auth_required, 3038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require MS-CHAP authentication from peer", 3048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIOSUB | OPT_A2OR | MDTYPE_MICROSOFT, 3058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_wantoptions[0].chap_mdtype }, 3068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "+mschap", o_bool, &auth_required, 3078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require MS-CHAP authentication from peer", 3088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_PRIOSUB | OPT_A2OR | MDTYPE_MICROSOFT, 3098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_wantoptions[0].chap_mdtype }, 3108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "require-mschap-v2", o_bool, &auth_required, 3118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require MS-CHAPv2 authentication from peer", 3128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIOSUB | OPT_A2OR | MDTYPE_MICROSOFT_V2, 3138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_wantoptions[0].chap_mdtype }, 3148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "+mschap-v2", o_bool, &auth_required, 3158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require MS-CHAPv2 authentication from peer", 3168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_PRIOSUB | OPT_A2OR | MDTYPE_MICROSOFT_V2, 3178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_wantoptions[0].chap_mdtype }, 3188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 3198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "refuse-pap", o_bool, &refuse_pap, 3218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't agree to auth to peer with PAP", 1 }, 3228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "-pap", o_bool, &refuse_pap, 3238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't allow PAP authentication with peer", OPT_ALIAS | 1 }, 3248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "refuse-chap", o_bool, &refuse_chap, 3258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't agree to auth to peer with CHAP", 3268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_A2CLRB | MDTYPE_MD5, 3278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_allowoptions[0].chap_mdtype }, 3288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "-chap", o_bool, &refuse_chap, 3298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't allow CHAP authentication with peer", 3308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_A2CLRB | MDTYPE_MD5, 3318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_allowoptions[0].chap_mdtype }, 3328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CHAPMS 3338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "refuse-mschap", o_bool, &refuse_mschap, 3348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't agree to auth to peer with MS-CHAP", 3358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_A2CLRB | MDTYPE_MICROSOFT, 3368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_allowoptions[0].chap_mdtype }, 3378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "-mschap", o_bool, &refuse_mschap, 3388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't allow MS-CHAP authentication with peer", 3398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_A2CLRB | MDTYPE_MICROSOFT, 3408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_allowoptions[0].chap_mdtype }, 3418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "refuse-mschap-v2", o_bool, &refuse_mschap_v2, 3428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't agree to auth to peer with MS-CHAPv2", 3438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_A2CLRB | MDTYPE_MICROSOFT_V2, 3448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_allowoptions[0].chap_mdtype }, 3458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "-mschap-v2", o_bool, &refuse_mschap_v2, 3468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't allow MS-CHAPv2 authentication with peer", 3478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_ALIAS | OPT_A2CLRB | MDTYPE_MICROSOFT_V2, 3488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &lcp_allowoptions[0].chap_mdtype }, 3498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 3508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "require-eap", o_bool, &lcp_wantoptions[0].neg_eap, 3528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Require EAP authentication from peer", OPT_PRIOSUB | 1, 3538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &auth_required }, 3548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "refuse-eap", o_bool, &refuse_eap, 3558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Don't agree to authenticate to peer with EAP", 1 }, 3568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "name", o_string, our_name, 3588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Set local name for authentication", 3598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, MAXNAMELEN }, 3608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "+ua", o_special, (void *)setupapfile, 3628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Get PAP user and password from file", 3638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIO | OPT_A2STRVAL, &uafname }, 3648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "user", o_string, user, 3668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Set name for auth with peer", OPT_PRIO | OPT_STATIC, NULL, MAXNAMELEN }, 3678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "password", o_string, passwd, 3698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Password for authenticating us to the peer", 3708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIO | OPT_STATIC | OPT_HIDE, NULL, MAXSECRETLEN }, 3718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "usehostname", o_bool, &usehostname, 3738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Must use hostname for authentication", 1 }, 3748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "remotename", o_string, remote_name, 3768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Set remote name for authentication", OPT_PRIO | OPT_STATIC, 3778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &explicit_remote, MAXNAMELEN }, 3788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "login", o_bool, &uselogin, 3808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Use system password database for PAP", 1 }, 3818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "papcrypt", o_bool, &cryptpap, 3838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "PAP passwords are encrypted", 1 }, 3848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "privgroup", o_special, (void *)privgroup, 3868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Allow group members to use privileged options", OPT_PRIV | OPT_A2LIST }, 3878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "allow-ip", o_special, (void *)set_noauth_addr, 3898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Set IP address(es) which can be used without authentication", 3908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIV | OPT_A2LIST }, 3918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "remotenumber", o_string, remote_number, 3938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Set remote telephone number for authentication", OPT_PRIO | OPT_STATIC, 3948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project NULL, MAXNAMELEN }, 3958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 3968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { "allow-number", o_special, (void *)set_permitted_number, 3978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project "Set telephone number(s) which are allowed to connect", 3988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project OPT_PRIV | OPT_A2LIST }, 3998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project { NULL } 4018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project}; 4028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 4048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * setupapfile - specifies UPAP info for authenticating with peer. 4058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 4068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 4078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectsetupapfile(argv) 4088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char **argv; 4098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 4108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *ufile; 4118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int l; 4128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char u[MAXNAMELEN], p[MAXSECRETLEN]; 4138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *fname; 4148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_allowoptions[0].neg_upap = 1; 4168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* open user info file */ 4188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fname = strdup(*argv); 4198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (fname == NULL) 4208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project novm("+ua file name"); 4218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project seteuid(getuid()); 4228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ufile = fopen(fname, "r"); 4238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project seteuid(0); 4248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ufile == NULL) { 4258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error("unable to open user login data file %s", fname); 4268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 4278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 4288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(ufile, fname); 4298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project uafname = fname; 4308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* get username */ 4328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (fgets(u, MAXNAMELEN - 1, ufile) == NULL 4338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project || fgets(p, MAXSECRETLEN - 1, ufile) == NULL) { 4348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(ufile); 4358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error("unable to read user login data file %s", fname); 4368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 4378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 4388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(ufile); 4398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* get rid of newlines */ 4418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project l = strlen(u); 4428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (l > 0 && u[l-1] == '\n') 4438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project u[l-1] = 0; 4448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project l = strlen(p); 4458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (l > 0 && p[l-1] == '\n') 4468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project p[l-1] = 0; 4478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (override_value("user", option_priority, fname)) 4498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(user, u, sizeof(user)); 4508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (override_value("passwd", option_priority, fname)) 4518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(passwd, p, sizeof(passwd)); 4528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return (1); 4548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 4558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 4588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * privgroup - allow members of the group to have privileged access. 4598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 4608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 4618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectprivgroup(argv) 4628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char **argv; 4638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 4648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct group *g; 4658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int i; 4668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project g = getgrnam(*argv); 4688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (g == 0) { 4698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error("group %s is unknown", *argv); 4708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 4718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 4728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (i = 0; i < ngroups; ++i) { 4738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (groups[i] == g->gr_gid) { 4748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project privileged = 1; 4758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 4768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 4778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 4788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 4798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 4808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 4838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * set_noauth_addr - set address(es) that can be used without authentication. 4848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Equivalent to specifying an entry like `"" * "" addr' in pap-secrets. 4858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 4868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 4878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectset_noauth_addr(argv) 4888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char **argv; 4898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 4908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *addr = *argv; 4918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int l = strlen(addr) + 1; 4928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *wp; 4938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 4948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp = (struct wordlist *) malloc(sizeof(struct wordlist) + l); 4958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (wp == NULL) 4968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project novm("allow-ip argument"); 4978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp->word = (char *) (wp + 1); 4988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp->next = noauth_addrs; 4998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BCOPY(addr, wp->word, l); 5008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project noauth_addrs = wp; 5018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 5028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 5038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 5068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * set_permitted_number - set remote telephone number(s) that may connect. 5078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 5088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 5098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectset_permitted_number(argv) 5108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char **argv; 5118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 5128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *number = *argv; 5138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int l = strlen(number) + 1; 5148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *wp; 5158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp = (struct wordlist *) malloc(sizeof(struct wordlist) + l); 5178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (wp == NULL) 5188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project novm("allow-number argument"); 5198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp->word = (char *) (wp + 1); 5208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp->next = permitted_numbers; 5218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BCOPY(number, wp->word, l); 5228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project permitted_numbers = wp; 5238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 5248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 5258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 5288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * An Open on LCP has requested a change from Dead to Establish phase. 5298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Do what's necessary to bring the physical layer up. 5308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 5318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 5328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectlink_required(unit) 5338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 5348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 5358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_SERIALCONN); 5368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project devfd = the_channel->connect(); 5388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (devfd < 0) 5398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project goto fail; 5408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* set up the serial device as a ppp interface */ 5428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 5438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * N.B. we used to do tdb_writelock/tdb_writeunlock around this 5448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * (from establish_ppp to set_ifunit). However, we won't be 5458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * doing the set_ifunit in multilink mode, which is the only time 5468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * we need the atomicity that the tdb_writelock/tdb_writeunlock 5478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * gives us. Thus we don't need the tdb_writelock/tdb_writeunlock. 5488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 5498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fd_ppp = the_channel->establish_ppp(devfd); 5508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (fd_ppp < 0) { 5518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_FATAL_ERROR; 5528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project goto disconnect; 5538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 5548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!demand && ifunit >= 0) 5568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_ifunit(1); 5578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 5598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Start opening the connection and wait for 5608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * incoming events (reply, timeout, etc.). 5618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 5628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ifunit >= 0) 5638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("Connect: %s <--> %s", ifname, ppp_devnam); 5648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else 5658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("Starting negotiation on %s", ppp_devnam); 5668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project add_fd(fd_ppp); 5678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_NEGOTIATION_FAILED; 5698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_ESTABLISH); 5708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_lowerup(0); 5728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 5738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project disconnect: 5758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_DISCONNECT); 5768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (the_channel->disconnect) 5778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project the_channel->disconnect(); 5788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fail: 5808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_DEAD); 5818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (the_channel->cleanup) 5828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*the_channel->cleanup)(); 5838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 5858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 5878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * LCP has terminated the link; go to the Dead phase and take the 5888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * physical layer down. 5898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 5908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 5918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectlink_terminated(unit) 5928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 5938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 5948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (phase == PHASE_DEAD || phase == PHASE_MASTER) 5958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 5968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_DISCONNECT); 5978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 5988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pap_logout_hook) { 5998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pap_logout_hook(); 6008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 6018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (logged_in) 6028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project plogout(); 6038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!doing_multilink) { 6068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("Connection terminated."); 6078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project print_link_stats(); 6088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else 6098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("Link terminated."); 6108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 6128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Delete pid files before disestablishing ppp. Otherwise it 6138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * can happen that another pppd gets the same unit and then 6148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * we delete its pid file. 6158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 6168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!doing_multilink && !demand) 6178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project remove_pidfiles(); 6188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 6208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If we may want to bring the link up again, transfer 6218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * the ppp unit back to the loopback. Set the 6228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * real serial device back to its normal mode of operation. 6238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 6248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (fd_ppp >= 0) { 6258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project remove_fd(fd_ppp); 6268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project clean_check(); 6278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project the_channel->disestablish_ppp(devfd); 6288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (doing_multilink) 6298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mp_exit_bundle(); 6308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fd_ppp = -1; 6318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!hungup) 6338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_lowerdown(0); 6348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!doing_multilink && !demand) 6358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project script_unsetenv("IFNAME"); 6368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 6388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Run disconnector script, if requested. 6398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * XXX we may not be able to do this if the line has hung up! 6408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 6418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (devfd >= 0 && the_channel->disconnect) { 6428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project the_channel->disconnect(); 6438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project devfd = -1; 6448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (doing_multilink && multilink_master) { 6478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!bundle_terminating) 6488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_MASTER); 6498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else 6508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mp_bundle_terminated(); 6518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else 6528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_DEAD); 6538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 6548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 6568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * LCP has gone down; it will either die or try to re-establish. 6578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 6588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 6598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectlink_down(unit) 6608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 6618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 6628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_state != s_down) { 6638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notify(link_down_notifier, 0); 6648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_state = s_down; 6658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_script_state == s_up && auth_script_pid == 0) { 6668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project update_link_stats(unit); 6678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script_state = s_down; 6688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script(_PATH_AUTHDOWN); 6698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!doing_multilink) { 6728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project upper_layers_down(unit); 6738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (phase != PHASE_DEAD && phase != PHASE_MASTER) 6748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_ESTABLISH); 6758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* XXX if doing_multilink, should do something to stop 6778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project network-layer traffic on the link */ 6788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 6798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid upper_layers_down(int unit) 6818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 6828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int i; 6838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct protent *protp; 6848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (i = 0; (protp = protocols[i]) != NULL; ++i) { 6868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!protp->enabled_flag) 6878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 6888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (protp->protocol != PPP_LCP && protp->lowerdown != NULL) 6898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*protp->lowerdown)(unit); 6908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (protp->protocol < 0xC000 && protp->close != NULL) 6918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*protp->close)(unit, "LCP down"); 6928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 6938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project num_np_open = 0; 6948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project num_np_up = 0; 6958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 6968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 6978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 6988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * The link is established. 6998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Proceed to the Dead, Authenticate or Network phase as appropriate. 7008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 7018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 7028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectlink_established(unit) 7038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 7048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 7058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int auth; 7068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *wo = &lcp_wantoptions[unit]; 7078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *go = &lcp_gotoptions[unit]; 7088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *ho = &lcp_hisoptions[unit]; 7098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int i; 7108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct protent *protp; 7118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 7138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Tell higher-level protocols that LCP is up. 7148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 7158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!doing_multilink) { 7168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (i = 0; (protp = protocols[i]) != NULL; ++i) 7178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (protp->protocol != PPP_LCP && protp->enabled_flag 7188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && protp->lowerup != NULL) 7198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*protp->lowerup)(unit); 7208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 7218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!auth_required && noauth_addrs != NULL) 7238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, NULL, NULL); 7248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_required && !(go->neg_upap || go->neg_chap || go->neg_eap)) { 7268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 7278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * We wanted the peer to authenticate itself, and it refused: 7288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * if we have some address(es) it can use without auth, fine, 7298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * otherwise treat it as though it authenticated with PAP using 7308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * a username of "" and a password of "". If that's not OK, 7318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * boot it out. 7328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 7338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (noauth_addrs != NULL) { 7348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, NULL, NULL); 7358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (!wo->neg_upap || uselogin || !null_login(unit)) { 7368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("peer refused to authenticate: terminating link"); 7378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(unit, "peer refused to authenticate"); 7388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_PEER_AUTH_FAILED; 7398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 7408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 7418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 7428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_AUTHENTICATE); 7448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project used_login = 0; 7458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth = 0; 7468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (go->neg_eap) { 7478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project eap_authpeer(unit, our_name); 7488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth |= EAP_PEER; 7498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (go->neg_chap) { 7508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project chap_auth_peer(unit, our_name, CHAP_DIGEST(go->chap_mdtype)); 7518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth |= CHAP_PEER; 7528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (go->neg_upap) { 7538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project upap_authpeer(unit); 7548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth |= PAP_PEER; 7558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 7568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ho->neg_eap) { 7578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project eap_authwithpeer(unit, user); 7588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth |= EAP_WITHPEER; 7598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (ho->neg_chap) { 7608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project chap_auth_with_peer(unit, user, CHAP_DIGEST(ho->chap_mdtype)); 7618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth |= CHAP_WITHPEER; 7628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (ho->neg_upap) { 7638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (passwd[0] == 0) { 7648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project passwd_from_file = 1; 7658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!get_pap_passwd(passwd)) 7668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project error("No secret found for PAP login"); 7678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 7688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project upap_authwithpeer(unit, user, passwd); 7698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth |= PAP_WITHPEER; 7708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 7718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_pending[unit] = auth; 7728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_done[unit] = 0; 7738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!auth) 7758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project network_phase(unit); 7768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 7778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 7798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Proceed to the network phase. 7808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 7818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 7828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectnetwork_phase(unit) 7838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 7848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 7858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *go = &lcp_gotoptions[unit]; 7868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Log calling number. */ 7888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (*remote_number) 7898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("peer from calling number %q authorized", remote_number); 7908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 7918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 7928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If the peer had to authenticate, run the auth-up script now. 7938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 7948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (go->neg_chap || go->neg_upap || go->neg_eap) { 7958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notify(auth_up_notifier, 0); 7968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_state = s_up; 7978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_script_state == s_down && auth_script_pid == 0) { 7988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script_state = s_up; 7998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script(_PATH_AUTHUP); 8008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CBCP_SUPPORT 8048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 8058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If we negotiated callback, do it now. 8068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 8078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (go->neg_cbcp) { 8088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_CALLBACK); 8098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*cbcp_protent.open)(unit); 8108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 8118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 8138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 8158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Process extra options from the secrets file 8168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 8178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (extra_options) { 8188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project options_from_list(extra_options, 1); 8198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(extra_options); 8208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project extra_options = 0; 8218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project start_networks(unit); 8238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 8248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 8268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstart_networks(unit) 8278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 8288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 8298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int i; 8308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct protent *protp; 8318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ecp_required, mppe_required; 8328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_NETWORK); 8348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef HAVE_MULTILINK 8368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (multilink) { 8378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (mp_join_bundle()) { 8388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (updetach && !nodetach) 8398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project detach(); 8408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 8418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif /* HAVE_MULTILINK */ 8448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef PPP_FILTER 8468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!demand) 8478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_filters(&pass_filter, &active_filter); 8488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 8498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Start CCP and ECP */ 8508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (i = 0; (protp = protocols[i]) != NULL; ++i) 8518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((protp->protocol == PPP_ECP || protp->protocol == PPP_CCP) 8528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && protp->enabled_flag && protp->open != NULL) 8538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*protp->open)(0); 8548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 8568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Bring up other network protocols iff encryption is not required. 8578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 8588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ecp_required = ecp_gotoptions[unit].required; 8598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mppe_required = ccp_gotoptions[unit].mppe; 8608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!ecp_required && !mppe_required) 8618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue_networks(unit); 8628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 8638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 8658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectcontinue_networks(unit) 8668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 8678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 8688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int i; 8698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct protent *protp; 8708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 8728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Start the "real" network protocols. 8738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 8748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (i = 0; (protp = protocols[i]) != NULL; ++i) 8758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (protp->protocol < 0xC000 8768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && protp->protocol != PPP_CCP && protp->protocol != PPP_ECP 8778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && protp->enabled_flag && protp->open != NULL) { 8788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (*protp->open)(0); 8798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++num_np_open; 8808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 8818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (num_np_open == 0) 8838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* nothing to do */ 8848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(0, "No network protocols running"); 8858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 8868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 8878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 8888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * The peer has failed to authenticate himself using `protocol'. 8898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 8908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 8918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_peer_fail(unit, protocol) 8928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, protocol; 8938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 8948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 8958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Authentication failure: take the link down 8968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 8978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(unit, "Authentication failed"); 8988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_PEER_AUTH_FAILED; 8998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 9008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 9028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * The peer has been successfully authenticated using `protocol'. 9038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 9048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 9058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_peer_success(unit, protocol, prot_flavor, name, namelen) 9068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, protocol, prot_flavor; 9078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *name; 9088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int namelen; 9098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 9108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int bit; 9118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch (protocol) { 9138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_CHAP: 9148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = CHAP_PEER; 9158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch (prot_flavor) { 9168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case CHAP_MD5: 9178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit |= CHAP_MD5_PEER; 9188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CHAPMS 9208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case CHAP_MICROSOFT: 9218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit |= CHAP_MS_PEER; 9228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case CHAP_MICROSOFT_V2: 9248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit |= CHAP_MS2_PEER; 9258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 9278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 9288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_PAP: 9308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = PAP_PEER; 9318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_EAP: 9338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = EAP_PEER; 9348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project default: 9368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("auth_peer_success: unknown protocol %x", protocol); 9378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 9388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 9398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 9418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Save the authenticated name of the peer for later. 9428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 9438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (namelen > sizeof(peer_authname) - 1) 9448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project namelen = sizeof(peer_authname) - 1; 9458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BCOPY(name, peer_authname, namelen); 9468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project peer_authname[namelen] = 0; 9478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project script_setenv("PEERNAME", peer_authname, 0); 9488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Save the authentication method for later. */ 9508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_done[unit] |= bit; 9518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 9538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If there is no more authentication still to be done, 9548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * proceed to the network (or callback) phase. 9558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 9568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((auth_pending[unit] &= ~bit) == 0) 9578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project network_phase(unit); 9588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 9598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 9618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * We have failed to authenticate ourselves to the peer using `protocol'. 9628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 9638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 9648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_withpeer_fail(unit, protocol) 9658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, protocol; 9668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 9678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (passwd_from_file) 9688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(passwd, MAXSECRETLEN); 9698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 9708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * We've failed to authenticate ourselves to our peer. 9718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Some servers keep sending CHAP challenges, but there 9728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * is no point in persisting without any way to get updated 9738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * authentication secrets. 9748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 9758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(unit, "Failed to authenticate ourselves to peer"); 9768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_AUTH_TOPEER_FAILED; 9778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 9788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 9808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * We have successfully authenticated ourselves with the peer using `protocol'. 9818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 9828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 9838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_withpeer_success(unit, protocol, prot_flavor) 9848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, protocol, prot_flavor; 9858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 9868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int bit; 9878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 9888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch (protocol) { 9898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_CHAP: 9908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = CHAP_WITHPEER; 9918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch (prot_flavor) { 9928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case CHAP_MD5: 9938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit |= CHAP_MD5_WITHPEER; 9948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef CHAPMS 9968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case CHAP_MICROSOFT: 9978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit |= CHAP_MS_WITHPEER; 9988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 9998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case CHAP_MICROSOFT_V2: 10008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit |= CHAP_MS2_WITHPEER; 10018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 10028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 10038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 10048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 10058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_PAP: 10068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (passwd_from_file) 10078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(passwd, MAXSECRETLEN); 10088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = PAP_WITHPEER; 10098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 10108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_EAP: 10118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = EAP_WITHPEER; 10128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 10138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project default: 10148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("auth_withpeer_success: unknown protocol %x", protocol); 10158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit = 0; 10168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 10178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Save the authentication method for later. */ 10198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_done[unit] |= bit; 10208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 10228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If there is no more authentication still being done, 10238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * proceed to the network (or callback) phase. 10248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((auth_pending[unit] &= ~bit) == 0) 10268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project network_phase(unit); 10278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 10288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 10318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * np_up - a network protocol has come up. 10328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 10348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectnp_up(unit, proto) 10358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, proto; 10368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 10378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int tlim; 10388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (num_np_up == 0) { 10408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 10418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * At this point we consider that the link has come up successfully. 10428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_OK; 10448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project unsuccess = 0; 10458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_RUNNING); 10468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (idle_time_hook != 0) 10488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tlim = (*idle_time_hook)(NULL); 10498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else 10508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tlim = idle_time_limit; 10518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (tlim > 0) 10528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project TIMEOUT(check_idle, NULL, tlim); 10538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 10558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Set a timeout to close the connection once the maximum 10568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * connect time has expired. 10578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (maxconnect > 0) 10598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project TIMEOUT(connect_time_expired, 0, maxconnect); 10608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef MAXOCTETS 10628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (maxoctets > 0) 10638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project TIMEOUT(check_maxoctets, NULL, maxoctets_timeout); 10648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 10658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 10678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Detach now, if the updetach option was given. 10688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (updetach && !nodetach) 10708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project detach(); 10718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 10728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++num_np_up; 10738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 10748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 10768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * np_down - a network protocol has gone down. 10778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 10798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectnp_down(unit, proto) 10808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, proto; 10818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 10828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (--num_np_up == 0) { 10838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project UNTIMEOUT(check_idle, NULL); 10848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project UNTIMEOUT(connect_time_expired, NULL); 10858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef MAXOCTETS 10868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project UNTIMEOUT(check_maxoctets, NULL); 10878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 10888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project new_phase(PHASE_NETWORK); 10898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 10908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 10918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 10928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 10938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * np_finished - a network protocol has finished using the link. 10948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 10958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 10968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectnp_finished(unit, proto) 10978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit, proto; 10988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 10998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (--num_np_open <= 0) { 11008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* no further use for the link: shut up shop. */ 11018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(0, "No network protocols running"); 11028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 11038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 11048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef MAXOCTETS 11068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 11078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectcheck_maxoctets(arg) 11088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project void *arg; 11098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 11108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int diff; 11118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project unsigned int used; 11128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project update_link_stats(ifunit); 11148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project link_stats_valid=0; 11158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch(maxoctets_dir) { 11178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_OCTETS_DIRECTION_IN: 11188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project used = link_stats.bytes_in; 11198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 11208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_OCTETS_DIRECTION_OUT: 11218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project used = link_stats.bytes_out; 11228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 11238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_OCTETS_DIRECTION_MAXOVERAL: 11248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PPP_OCTETS_DIRECTION_MAXSESSION: 11258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project used = (link_stats.bytes_in > link_stats.bytes_out) ? link_stats.bytes_in : link_stats.bytes_out; 11268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 11278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project default: 11288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project used = link_stats.bytes_in+link_stats.bytes_out; 11298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 11308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 11318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project diff = maxoctets - used; 11328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if(diff < 0) { 11338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("Traffic limit reached. Limit: %u Used: %u", maxoctets, used); 11348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(0, "Traffic limit"); 11358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project need_holdoff = 0; 11368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_TRAFFIC_LIMIT; 11378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 11388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project TIMEOUT(check_maxoctets, NULL, maxoctets_timeout); 11398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 11408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 11418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 11428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 11448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * check_idle - check whether the link has been idle for long 11458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * enough that we can shut it down. 11468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 11478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 11488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectcheck_idle(arg) 11498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project void *arg; 11508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 11518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct ppp_idle idle; 11528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project time_t itime; 11538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int tlim; 11548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!get_idle_time(0, &idle)) 11568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 11578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (idle_time_hook != 0) { 11588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tlim = idle_time_hook(&idle); 11598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 11608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project itime = MIN(idle.xmit_idle, idle.recv_idle); 11618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tlim = idle_time_limit - itime; 11628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 11638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (tlim <= 0) { 11648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* link is idle: shut it down. */ 11658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project notice("Terminating connection due to lack of activity."); 11668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(0, "Link inactive"); 11678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project need_holdoff = 0; 11688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_IDLE_TIMEOUT; 11698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 11708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project TIMEOUT(check_idle, NULL, tlim); 11718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 11728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 11738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 11758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * connect_time_expired - log a message and close the connection. 11768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 11778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 11788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectconnect_time_expired(arg) 11798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project void *arg; 11808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 11818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project info("Connect time expired"); 11828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project status = EXIT_CONNECT_TIME; 11838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(0, "Connect time expired"); /* Close connection */ 11848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 11858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 11878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth_check_options - called to check authentication options. 11888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 11898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 11908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_check_options() 11918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 11928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *wo = &lcp_wantoptions[0]; 11938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int can_auth; 11948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int lacks_ip; 11958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 11968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Default our_name to hostname, and user to our_name */ 11978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (our_name[0] == 0 || usehostname) 11988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(our_name, hostname, sizeof(our_name)); 11998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (user[0] == 0) 12008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(user, our_name, sizeof(user)); 12018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 12038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If we have a default route, require the peer to authenticate 12048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * unless the noauth option was given or the real user is root. 12058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 12068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!auth_required && !allow_any_ip && have_route_to(0) && !privileged) { 12078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_required = 1; 12088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project default_auth = 1; 12098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* If we selected any CHAP flavors, we should probably negotiate it. :-) */ 12128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (wo->chap_mdtype) 12138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_chap = 1; 12148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* If authentication is required, ask peer for CHAP, PAP, or EAP. */ 12168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_required) { 12178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project allow_any_ip = 0; 12188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!wo->neg_chap && !wo->neg_upap && !wo->neg_eap) { 12198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_chap = chap_mdtype_all != MDTYPE_NONE; 12208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->chap_mdtype = chap_mdtype_all; 12218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_upap = 1; 12228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_eap = 1; 12238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 12258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_chap = 0; 12268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->chap_mdtype = MDTYPE_NONE; 12278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_upap = 0; 12288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->neg_eap = 0; 12298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 12328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Check whether we have appropriate secrets to use 12338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * to authenticate the peer. Note that EAP can authenticate by way 12348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * of a CHAP-like exchanges as well as SRP. 12358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 12368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lacks_ip = 0; 12378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project can_auth = wo->neg_upap && (uselogin || have_pap_secret(&lacks_ip)); 12388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!can_auth && (wo->neg_chap || wo->neg_eap)) { 12398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project can_auth = have_chap_secret((explicit_remote? remote_name: NULL), 12408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project our_name, 1, &lacks_ip); 12418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!can_auth && wo->neg_eap) { 12438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project can_auth = have_srp_secret((explicit_remote? remote_name: NULL), 12448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project our_name, 1, &lacks_ip); 12458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_required && !can_auth && noauth_addrs == NULL) { 12488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (default_auth) { 12498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error( 12508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project"By default the remote system is required to authenticate itself"); 12518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error( 12528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project"(because this system has a default route to the internet)"); 12538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (explicit_remote) 12548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error( 12558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project"The remote system (%s) is required to authenticate itself", 12568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project remote_name); 12578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else 12588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error( 12598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project"The remote system is required to authenticate itself"); 12608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error( 12618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project"but I couldn't find any suitable secret (password) for it to use to do so."); 12628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (lacks_ip) 12638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project option_error( 12648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project"(None of the available passwords would let it use an IP address.)"); 12658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project exit(1); 12678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 12708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Early check for remote number authorization. 12718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 12728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!auth_number()) { 12738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("calling number %q is not authorized", remote_number); 12748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project exit(EXIT_CNID_AUTH_FAILED); 12758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 12768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 12778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 12798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth_reset - called when LCP is starting negotiations to recheck 12808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * authentication options, i.e. whether we have appropriate secrets 12818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * to use for authenticating ourselves and/or the peer. 12828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 12838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectvoid 12848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_reset(unit) 12858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 12868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 12878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *go = &lcp_gotoptions[unit]; 12888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_options *ao = &lcp_allowoptions[unit]; 12898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int hadchap; 12908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 12918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project hadchap = -1; 12928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ao->neg_upap = !refuse_pap && (passwd[0] != 0 || get_pap_passwd(NULL)); 12938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ao->neg_chap = (!refuse_chap || !refuse_mschap || !refuse_mschap_v2) 12948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && (passwd[0] != 0 || 12958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (hadchap = have_chap_secret(user, (explicit_remote? remote_name: 12968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project NULL), 0, NULL))); 12978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ao->neg_eap = !refuse_eap && ( 12988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project passwd[0] != 0 || 12998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (hadchap == 1 || (hadchap == -1 && have_chap_secret(user, 13008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (explicit_remote? remote_name: NULL), 0, NULL))) || 13018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project have_srp_secret(user, (explicit_remote? remote_name: NULL), 0, NULL)); 13028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project hadchap = -1; 13048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (go->neg_upap && !uselogin && !have_pap_secret(NULL)) 13058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project go->neg_upap = 0; 13068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (go->neg_chap) { 13078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!(hadchap = have_chap_secret((explicit_remote? remote_name: NULL), 13088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project our_name, 1, NULL))) 13098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project go->neg_chap = 0; 13108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 13118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (go->neg_eap && 13128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (hadchap == 0 || (hadchap == -1 && 13138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project !have_chap_secret((explicit_remote? remote_name: NULL), our_name, 13148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 1, NULL))) && 13158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project !have_srp_secret((explicit_remote? remote_name: NULL), our_name, 1, 13168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project NULL)) 13178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project go->neg_eap = 0; 13188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 13198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 13228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * check_passwd - Check the user name and passwd against the PAP secrets 13238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * file. If requested, also check against the system password database, 13248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * and login the user if OK. 13258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 13268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * returns: 13278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * UPAP_AUTHNAK: Authentication failed. 13288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * UPAP_AUTHACK: Authentication succeeded. 13298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * In either case, msg points to an appropriate message. 13308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 13318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint 13328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectcheck_passwd(unit, auser, userlen, apasswd, passwdlen, msg) 13338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 13348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *auser; 13358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int userlen; 13368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *apasswd; 13378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int passwdlen; 13388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char **msg; 13398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 13408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#if 1 13418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return UPAP_AUTHNAK; 13428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#else 13438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret; 13448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 13458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 13468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs = NULL, *opts = NULL; 13478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char passwd[256], user[256]; 13488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char secret[MAXWORDLEN]; 13498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project static int attempts = 0; 13508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 13528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Make copies of apasswd and auser, then null-terminate them. 13538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If there are unprintable characters in the password, make 13548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * them visible. 13558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 13568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project slprintf(passwd, sizeof(passwd), "%.*v", passwdlen, apasswd); 13578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project slprintf(user, sizeof(user), "%.*v", userlen, auser); 13588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *msg = ""; 13598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 13618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Check if a plugin wants to handle this. 13628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 13638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pap_auth_hook) { 13648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = (*pap_auth_hook)(user, passwd, msg, &addrs, &opts); 13658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0) { 13668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* note: set_allowed_addrs() saves opts (but not addrs): 13678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project don't free it! */ 13688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret) 13698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, addrs, opts); 13708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (opts != 0) 13718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(opts); 13728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != 0) 13738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 13748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(passwd, sizeof(passwd)); 13758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret? UPAP_AUTHACK: UPAP_AUTHNAK; 13768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 13778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 13788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 13808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Open the file of pap secrets and scan for a suitable secret 13818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * for authenticating this user. 13828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 13838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_UPAPFILE; 13848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addrs = opts = NULL; 13858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = UPAP_AUTHNAK; 13868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 13878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) { 13888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project error("Can't open PAP password file %s: %m", filename); 13898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 13908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 13918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(f, filename); 13928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (scan_authfile(f, user, our_name, secret, &addrs, &opts, filename, 0) < 0) { 13938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("no PAP secret found for %s", user); 13948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 13958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 13968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If the secret is "@login", it means to check 13978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * the password against the login database. 13988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 13998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int login_secret = strcmp(secret, "@login") == 0; 14008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = UPAP_AUTHACK; 14018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (uselogin || login_secret) { 14028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* login option or secret is @login */ 14038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((ret = plogin(user, passwd, msg)) == UPAP_AUTHACK) 14048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project used_login = 1; 14058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 14068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (secret[0] != 0 && !login_secret) { 14078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* password given in pap-secrets - must match */ 14088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((cryptpap || strcmp(passwd, secret) != 0) 14098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && strcmp(crypt(passwd, secret), secret) != 0) 14108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = UPAP_AUTHNAK; 14118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 14128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 14138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 14148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 14158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret == UPAP_AUTHNAK) { 14178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (**msg == 0) 14188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *msg = "Login incorrect"; 14198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 14208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * XXX can we ever get here more than once?? 14218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Frustrate passwd stealer programs. 14228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Allow 10 tries, but start backing off after 3 (stolen from login). 14238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * On 10'th, drop the connection. 14248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 14258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (attempts++ >= 10) { 14268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("%d LOGIN FAILURES ON %s, %s", attempts, devnam, user); 14278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project lcp_close(unit, "login failed"); 14288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 14298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (attempts > 3) 14308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project sleep((u_int) (attempts - 3) * 5); 14318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (opts != NULL) 14328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(opts); 14338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 14358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project attempts = 0; /* Reset count */ 14368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (**msg == 0) 14378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *msg = "Login ok"; 14388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, addrs, opts); 14398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 14408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != NULL) 14428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 14438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(passwd, sizeof(passwd)); 14448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(secret, sizeof(secret)); 14458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret; 14478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 14488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 14498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 14518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * This function is needed for PAM. 14528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 14538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef USE_PAM 14558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* Static variables used to communicate between the conversation function 14568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * and the server_login function 14578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 14588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic char *PAM_username; 14598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic char *PAM_password; 14608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int PAM_error = 0; 14618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic pam_handle_t *pamh = NULL; 14628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* PAM conversation function 14648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Here we assume (for now, at least) that echo on means login name, and 14658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * echo off means password. 14668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 14678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int PAM_conv (int num_msg, 14698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifndef SOL2 14708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project const 14718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 14728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct pam_message **msg, 14738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct pam_response **resp, void *appdata_ptr) 14748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 14758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int replies = 0; 14768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct pam_response *reply = NULL; 14778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#define COPY_STRING(s) (s) ? strdup(s) : NULL 14798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply = malloc(sizeof(struct pam_response) * num_msg); 14818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!reply) return PAM_CONV_ERR; 14828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 14838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (replies = 0; replies < num_msg; replies++) { 14848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch (msg[replies]->msg_style) { 14858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PAM_PROMPT_ECHO_ON: 14868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply[replies].resp_retcode = PAM_SUCCESS; 14878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply[replies].resp = COPY_STRING(PAM_username); 14888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* PAM frees resp */ 14898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 14908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PAM_PROMPT_ECHO_OFF: 14918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply[replies].resp_retcode = PAM_SUCCESS; 14928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply[replies].resp = COPY_STRING(PAM_password); 14938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* PAM frees resp */ 14948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 14958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PAM_TEXT_INFO: 14968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* fall through */ 14978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case PAM_ERROR_MSG: 14988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* ignore it, but pam still wants a NULL response... */ 14998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply[replies].resp_retcode = PAM_SUCCESS; 15008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reply[replies].resp = NULL; 15018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 15028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project default: 15038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Must be an error of some sort... */ 15048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free (reply); 15058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project PAM_error = 1; 15068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return PAM_CONV_ERR; 15078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 15088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 15098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *resp = reply; 15108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return PAM_SUCCESS; 15118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 15128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic struct pam_conv PAM_conversation = { 15148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project &PAM_conv, 15158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project NULL 15168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project}; 15178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif /* USE_PAM */ 15188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 15208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * plogin - Check the user name and password against the system 15218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * password database, and login the user if OK. 15228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * 15238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * returns: 15248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * UPAP_AUTHNAK: Login failed. 15258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * UPAP_AUTHACK: Login succeeded. 15268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * In either case, msg points to an appropriate message. 15278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 15288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 15308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectplogin(user, passwd, msg) 15318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *user; 15328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *passwd; 15338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char **msg; 15348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 15358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *tty; 15368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#if 1 15388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return UPAP_AUTHNAK; 15398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#else 15408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef USE_PAM 15418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int pam_error; 15428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_error = pam_start ("ppp", user, &PAM_conversation, &pamh); 15448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pam_error != PAM_SUCCESS) { 15458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *msg = (char *) pam_strerror (pamh, pam_error); 15468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reopen_log(); 15478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return UPAP_AUTHNAK; 15488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 15498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 15508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Define the fields for the credential validation 15518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 15528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project PAM_username = user; 15548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project PAM_password = passwd; 15558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project PAM_error = 0; 15568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_set_item (pamh, PAM_TTY, devnam); /* this might be useful to some modules */ 15578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 15598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Validate the user 15608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 15618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_error = pam_authenticate (pamh, PAM_SILENT); 15628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pam_error == PAM_SUCCESS && !PAM_error) { 15638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_error = pam_acct_mgmt (pamh, PAM_SILENT); 15648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pam_error == PAM_SUCCESS) 15658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_error = pam_open_session (pamh, PAM_SILENT); 15668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 15678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *msg = (char *) pam_strerror (pamh, pam_error); 15698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 15718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Clean up the mess 15728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 15738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reopen_log(); /* apparently the PAM stuff does closelog() */ 15748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project PAM_username = NULL; 15758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project PAM_password = NULL; 15768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pam_error != PAM_SUCCESS) 15778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return UPAP_AUTHNAK; 15788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#else /* #ifdef USE_PAM */ 15798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 15818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Use the non-PAM methods directly 15828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 15838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef HAS_SHADOW 15858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct spwd *spwd; 15868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct spwd *getspnam(); 15878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 15888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct passwd *pw = getpwnam(user); 15898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project endpwent(); 15918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pw == NULL) 15928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return (UPAP_AUTHNAK); 15938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 15948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef HAS_SHADOW 15958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project spwd = getspnam(user); 15968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project endspent(); 15978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (spwd) { 15988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* check the age of the password entry */ 15998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project long now = time(NULL) / 86400L; 16008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((spwd->sp_expire > 0 && now >= spwd->sp_expire) 16028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project || ((spwd->sp_max >= 0 && spwd->sp_max < 10000) 16038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && spwd->sp_lstchg >= 0 16048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && now >= spwd->sp_lstchg + spwd->sp_max)) { 16058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("Password for %s has expired", user); 16068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return (UPAP_AUTHNAK); 16078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 16088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pw->pw_passwd = spwd->sp_pwdp; 16098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 16108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 16118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 16138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If no passwd, don't let them login. 16148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 16158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pw->pw_passwd == NULL || strlen(pw->pw_passwd) < 2 16168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project || strcmp(crypt(passwd, pw->pw_passwd), pw->pw_passwd) != 0) 16178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return (UPAP_AUTHNAK); 16188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif /* #ifdef USE_PAM */ 16208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 16228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Write a wtmp entry for this user. 16238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 16248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tty = devnam; 16268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (strncmp(tty, "/dev/", 5) == 0) 16278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tty += 5; 16288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project logwtmp(tty, user, ifname); /* Add wtmp login entry */ 16298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#if defined(_PATH_LASTLOG) && !defined(USE_PAM) 16318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pw != (struct passwd *)NULL) { 16328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct lastlog ll; 16338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int fd; 16348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((fd = open(_PATH_LASTLOG, O_RDWR, 0)) >= 0) { 16368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (void)lseek(fd, (off_t)(pw->pw_uid * sizeof(ll)), SEEK_SET); 16378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project memset((void *)&ll, 0, sizeof(ll)); 16388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (void)time(&ll.ll_time); 16398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (void)strncpy(ll.ll_line, tty, sizeof(ll.ll_line)); 16408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (void)write(fd, (char *)&ll, sizeof(ll)); 16418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (void)close(fd); 16428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 16438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 16448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif /* _PATH_LASTLOG and not USE_PAM */ 16458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project info("user %s logged in", user); 16478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project logged_in = 1; 16488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return (UPAP_AUTHACK); 16508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif 16518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 16528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 16548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * plogout - Logout the user. 16558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 16568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 16578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectplogout() 16588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 16598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#ifdef USE_PAM 16608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int pam_error; 16618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pamh != NULL) { 16638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_error = pam_close_session (pamh, PAM_SILENT); 16648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pam_end (pamh, pam_error); 16658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project pamh = NULL; 16668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 16678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Apparently the pam stuff does closelog(). */ 16688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project reopen_log(); 16698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#else /* ! USE_PAM */ 16708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *tty; 16718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tty = devnam; 16738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (strncmp(tty, "/dev/", 5) == 0) 16748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project tty += 5; 16758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project logwtmp(tty, "", ""); /* Wipe out utmp logout entry */ 16768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project#endif /* ! USE_PAM */ 16778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project logged_in = 0; 16788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 16798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 16828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * null_login - Check if a username of "" and a password of "" are 16838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * acceptable, and iff so, set the list of acceptable IP addresses 16848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * and return 1. 16858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 16868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 16878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectnull_login(unit) 16888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 16898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 16908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 16918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 16928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int i, ret; 16938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs, *opts; 16948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char secret[MAXWORDLEN]; 16958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 16968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 16978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Check if a plugin wants to handle this. 16988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 16998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = -1; 17008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (null_auth_hook) 17018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = (*null_auth_hook)(&addrs, &opts); 17028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 17048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Open the file of pap secrets and scan for a suitable secret. 17058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 17068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret <= 0) { 17078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_UPAPFILE; 17088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addrs = NULL; 17098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 17108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) 17118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 17128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(f, filename); 17138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project i = scan_authfile(f, "", our_name, secret, &addrs, &opts, filename, 0); 17158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = i >= 0 && secret[0] == 0; 17168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(secret, sizeof(secret)); 17178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 17188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 17198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret) 17218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, addrs, opts); 17228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (opts != 0) 17238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(opts); 17248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != 0) 17258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 17268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret; 17288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 17298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 17328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * get_pap_passwd - get a password for authenticating ourselves with 17338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * our peer using PAP. Returns 1 on success, 0 if no suitable password 17348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * could be found. 17358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Assumes passwd points to MAXSECRETLEN bytes of space (if non-null). 17368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 17378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 17388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectget_pap_passwd(passwd) 17398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *passwd; 17408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 17418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 17428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 17438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret; 17448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char secret[MAXWORDLEN]; 17458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 17478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Check whether a plugin wants to supply this. 17488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 17498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pap_passwd_hook) { 17508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = (*pap_passwd_hook)(user, passwd); 17518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0) 17528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret; 17538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 17548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_UPAPFILE; 17568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 17578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) 17588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 17598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(f, filename); 17608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = scan_authfile(f, user, 17618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project (remote_name[0]? remote_name: NULL), 17628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project secret, NULL, NULL, filename, 0); 17638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 17648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret < 0) 17658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 17668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (passwd != NULL) 17678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(passwd, secret, MAXSECRETLEN); 17688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(secret, sizeof(secret)); 17698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 17708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 17718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 17748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * have_pap_secret - check whether we have a PAP file with any 17758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * secrets that we could possibly use for authenticating the peer. 17768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 17778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 17788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projecthave_pap_secret(lacks_ipp) 17798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int *lacks_ipp; 17808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 17818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 17828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret; 17838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 17848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs; 17858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* let the plugin decide, if there is one */ 17878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (pap_check_hook) { 17888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = (*pap_check_hook)(); 17898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0) 17908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret; 17918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 17928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_UPAPFILE; 17948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 17958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) 17968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 17978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 17988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = scan_authfile(f, (explicit_remote? remote_name: NULL), our_name, 17998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project NULL, &addrs, NULL, filename, 0); 18008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 18018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0 && !some_ip_ok(addrs)) { 18028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (lacks_ipp != 0) 18038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *lacks_ipp = 1; 18048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = -1; 18058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 18068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != 0) 18078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 18088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret >= 0; 18108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 18118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 18148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * have_chap_secret - check whether we have a CHAP file with a 18158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * secret that we could possibly use for authenticating `client' 18168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * on `server'. Either can be the null string, meaning we don't 18178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * know the identity yet. 18188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 18198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 18208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projecthave_chap_secret(client, server, need_ip, lacks_ipp) 18218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *client; 18228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *server; 18238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int need_ip; 18248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int *lacks_ipp; 18258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 18268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 18278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret; 18288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 18298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs; 18308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (chap_check_hook) { 18328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = (*chap_check_hook)(); 18338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0) { 18348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret; 18358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 18368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 18378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_CHAPFILE; 18398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 18408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) 18418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 18428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (client != NULL && client[0] == 0) 18448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project client = NULL; 18458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (server != NULL && server[0] == 0) 18468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project server = NULL; 18478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = scan_authfile(f, client, server, NULL, &addrs, NULL, filename, 0); 18498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 18508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0 && need_ip && !some_ip_ok(addrs)) { 18518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (lacks_ipp != 0) 18528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *lacks_ipp = 1; 18538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = -1; 18548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 18558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != 0) 18568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 18578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret >= 0; 18598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 18608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 18638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * have_srp_secret - check whether we have a SRP file with a 18648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * secret that we could possibly use for authenticating `client' 18658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * on `server'. Either can be the null string, meaning we don't 18668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * know the identity yet. 18678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 18688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 18698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projecthave_srp_secret(client, server, need_ip, lacks_ipp) 18708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *client; 18718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *server; 18728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int need_ip; 18738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int *lacks_ipp; 18748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 18758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 18768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret; 18778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 18788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs; 18798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_SRPFILE; 18818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 18828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) 18838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 18848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (client != NULL && client[0] == 0) 18868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project client = NULL; 18878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (server != NULL && server[0] == 0) 18888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project server = NULL; 18898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 18908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = scan_authfile(f, client, server, NULL, &addrs, NULL, filename, 0); 18918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 18928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret >= 0 && need_ip && !some_ip_ok(addrs)) { 18938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (lacks_ipp != 0) 18948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *lacks_ipp = 1; 18958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = -1; 18968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 18978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != 0) 18988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 18998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ret >= 0; 19018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 19028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 19058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * get_secret - open the CHAP secret file and return the secret 19068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * for authenticating the given client on the given server. 19078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * (We could be either client or server). 19088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 19098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint 19108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectget_secret(unit, client, server, secret, secret_len, am_server) 19118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 19128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *client; 19138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *server; 19148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *secret; 19158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int *secret_len; 19168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int am_server; 19178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 19188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 19198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret, len; 19208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 19218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs, *opts; 19228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char secbuf[MAXWORDLEN]; 19238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!am_server && passwd[0] != 0) { 19258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(secbuf, passwd, sizeof(secbuf)); 19268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if (!am_server && chap_passwd_hook) { 19278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ( (*chap_passwd_hook)(client, secbuf) < 0) { 19288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project error("Unable to obtain CHAP password for %s on %s from plugin", 19298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project client, server); 19308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 19318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 19328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 19338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_CHAPFILE; 19348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addrs = NULL; 19358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project secbuf[0] = 0; 19368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project f = fopen(filename, "r"); 19388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (f == NULL) { 19398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project error("Can't open chap secret file %s: %m", filename); 19408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 19418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 19428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(f, filename); 19438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = scan_authfile(f, client, server, secbuf, &addrs, &opts, filename, 0); 19458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(f); 19468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret < 0) 19478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 19488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (am_server) 19508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, addrs, opts); 19518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (opts != 0) 19528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(opts); 19538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != 0) 19548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 19558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 19568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project len = strlen(secbuf); 19588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (len > MAXSECRETLEN) { 19598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project error("Secret for %s on %s is too long", client, server); 19608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project len = MAXSECRETLEN; 19618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 19628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BCOPY(secbuf, secret, len); 19638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project BZERO(secbuf, sizeof(secbuf)); 19648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *secret_len = len; 19658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 19678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 19688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 19718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * get_srp_secret - open the SRP secret file and return the secret 19728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * for authenticating the given client on the given server. 19738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * (We could be either client or server). 19748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 19758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint 19768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectget_srp_secret(unit, client, server, secret, am_server) 19778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 19788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *client; 19798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *server; 19808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *secret; 19818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int am_server; 19828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 19838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *fp; 19848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ret; 19858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 19868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs, *opts; 19878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!am_server && passwd[0] != '\0') { 19898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(secret, passwd, MAXWORDLEN); 19908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 19918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename = _PATH_SRPFILE; 19928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addrs = NULL; 19938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 19948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fp = fopen(filename, "r"); 19958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (fp == NULL) { 19968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project error("Can't open srp secret file %s: %m", filename); 19978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 19988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 19998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(fp, filename); 20008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project secret[0] = '\0'; 20028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ret = scan_authfile(fp, client, server, secret, &addrs, &opts, 20038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename, am_server); 20048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(fp); 20058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ret < 0) 20068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 20078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (am_server) 20098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project set_allowed_addrs(unit, addrs, opts); 20108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (opts != NULL) 20118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(opts); 20128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != NULL) 20138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addrs); 20148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 20158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 20178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 20188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 20208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * set_allowed_addrs() - set the list of allowed addresses. 20218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Also looks for `--' indicating options to apply for this peer 20228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * and leaves the following words in extra_options. 20238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 20248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 20258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectset_allowed_addrs(unit, addrs, opts) 20268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 20278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs; 20288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *opts; 20298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 20308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int n; 20318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *ap, **plink; 20328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct permitted_ip *ip; 20338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *ptr_word, *ptr_mask; 20348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct hostent *hp; 20358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct netent *np; 20368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project u_int32_t a, mask, ah, offset; 20378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct ipcp_options *wo = &ipcp_wantoptions[unit]; 20388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project u_int32_t suggested_ip = 0; 20398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addresses[unit] != NULL) 20418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free(addresses[unit]); 20428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addresses[unit] = NULL; 20438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (extra_options != NULL) 20448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(extra_options); 20458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project extra_options = opts; 20468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 20488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Count the number of IP addresses given. 20498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 20508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project n = wordlist_count(addrs) + wordlist_count(noauth_addrs); 20518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (n == 0) 20528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 20538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip = (struct permitted_ip *) malloc((n + 1) * sizeof(struct permitted_ip)); 20548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ip == 0) 20558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return; 20568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* temporarily append the noauth_addrs list to addrs */ 20588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (plink = &addrs; *plink != NULL; plink = &(*plink)->next) 20598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ; 20608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *plink = noauth_addrs; 20618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project n = 0; 20638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (ap = addrs; ap != NULL; ap = ap->next) { 20648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* "-" means no addresses authorized, "*" means any address allowed */ 20658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ptr_word = ap->word; 20668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (strcmp(ptr_word, "-") == 0) 20678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 20688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (strcmp(ptr_word, "*") == 0) { 20698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].permit = 1; 20708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].base = ip[n].mask = 0; 20718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++n; 20728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 20738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 20748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].permit = 1; 20768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (*ptr_word == '!') { 20778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].permit = 0; 20788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++ptr_word; 20798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 20808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mask = ~ (u_int32_t) 0; 20828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project offset = 0; 20838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ptr_mask = strchr (ptr_word, '/'); 20848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ptr_mask != NULL) { 20858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int bit_count; 20868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *endp; 20878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 20888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit_count = (int) strtol (ptr_mask+1, &endp, 10); 20898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (bit_count <= 0 || bit_count > 32) { 20908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("invalid address length %v in auth. address list", 20918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ptr_mask+1); 20928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 20938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 20948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project bit_count = 32 - bit_count; /* # bits in host part */ 20958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (*endp == '+') { 20968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project offset = ifunit + 1; 20978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++endp; 20988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 20998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (*endp != 0) { 21008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("invalid address length syntax: %v", ptr_mask+1); 21018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 21028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *ptr_mask = '\0'; 21048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mask <<= bit_count; 21058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project hp = gethostbyname(ptr_word); 21088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (hp != NULL && hp->h_addrtype == AF_INET) { 21098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project a = *(u_int32_t *)hp->h_addr; 21108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 21118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project np = getnetbyname (ptr_word); 21128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (np != NULL && np->n_addrtype == AF_INET) { 21138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project a = htonl ((u_int32_t)np->n_net); 21148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ptr_mask == NULL) { 21158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* calculate appropriate mask for net */ 21168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ah = ntohl(a); 21178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (IN_CLASSA(ah)) 21188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mask = IN_CLASSA_NET; 21198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (IN_CLASSB(ah)) 21208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mask = IN_CLASSB_NET; 21218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (IN_CLASSC(ah)) 21228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mask = IN_CLASSC_NET; 21238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else { 21258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project a = inet_addr (ptr_word); 21268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ptr_mask != NULL) 21308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *ptr_mask = '/'; 21318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (a == (u_int32_t)-1L) { 21338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("unknown host %s in auth. address list", ap->word); 21348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 21358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (offset != 0) { 21378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (offset >= ~mask) { 21388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("interface unit %d too large for subnet %v", 21398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ifunit, ptr_word); 21408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 21418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project a = htonl((ntohl(a) & mask) + offset); 21438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project mask = ~(u_int32_t)0; 21448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].mask = htonl(mask); 21468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].base = a & ip[n].mask; 21478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++n; 21488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (~mask == 0 && suggested_ip == 0) 21498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project suggested_ip = a; 21508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *plink = NULL; 21528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].permit = 0; /* make the last entry forbid all addresses */ 21548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].base = 0; /* to terminate the list */ 21558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ip[n].mask = 0; 21568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addresses[unit] = ip; 21588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 21608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * If the address given for the peer isn't authorized, or if 21618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * the user hasn't given one, AND there is an authorized address 21628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * which is a single host, then use that if we find one. 21638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 21648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (suggested_ip != 0 21658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project && (wo->hisaddr == 0 || !auth_ip_addr(unit, wo->hisaddr))) { 21668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->hisaddr = suggested_ip; 21678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 21688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Do we insist on this address? No, if there are other 21698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * addresses authorized than the suggested one. 21708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 21718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (n > 1) 21728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wo->accept_remote = 1; 21738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 21758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 21778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth_ip_addr - check whether the peer is authorized to use 21788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * a given IP address. Returns 1 if authorized, 0 otherwise. 21798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 21808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint 21818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_ip_addr(unit, addr) 21828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int unit; 21838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project u_int32_t addr; 21848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 21858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int ok; 21868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* don't allow loopback or multicast address */ 21888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (bad_ip_adrs(addr)) 21898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 21908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (allowed_address_hook) { 21928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ok = allowed_address_hook(addr); 21938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ok >= 0) return ok; 21948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 21958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 21968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addresses[unit] != NULL) { 21978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ok = ip_addr_check(addr, addresses[unit]); 21988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ok >= 0) 21998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return ok; 22008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 22018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_required) 22038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; /* no addresses authorized */ 22048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return allow_any_ip || privileged || !have_route_to(addr); 22058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 22068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 22088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectip_addr_check(addr, addrs) 22098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project u_int32_t addr; 22108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct permitted_ip *addrs; 22118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 22128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (; ; ++addrs) 22138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((addr & addrs->mask) == addrs->base) 22148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return addrs->permit; 22158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 22168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 22188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * bad_ip_adrs - return 1 if the IP address is one we don't want 22198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * to use, such as an address in the loopback net or a multicast address. 22208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * addr is in network byte order. 22218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 22228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint 22238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectbad_ip_adrs(addr) 22248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project u_int32_t addr; 22258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 22268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addr = ntohl(addr); 22278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET 22288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project || IN_MULTICAST(addr) || IN_BADCLASS(addr); 22298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 22308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 22328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * some_ip_ok - check a wordlist to see if it authorizes any 22338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * IP address(es). 22348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 22358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 22368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectsome_ip_ok(addrs) 22378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *addrs; 22388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 22398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (; addrs != 0; addrs = addrs->next) { 22408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs->word[0] == '-') 22418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 22428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs->word[0] != '!') 22438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; /* some IP address is allowed */ 22448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 22458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 22468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 22478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 22498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth_number - check whether the remote number is allowed to connect. 22508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Returns 1 if authorized, 0 otherwise. 22518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 22528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectint 22538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_number() 22548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 22558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *wp = permitted_numbers; 22568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int l; 22578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Allow all if no authorization list. */ 22598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!wp) 22608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 22618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* Allow if we have a match in the authorization list. */ 22638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project while (wp) { 22648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* trailing '*' wildcard */ 22658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project l = strlen(wp->word); 22668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((wp->word)[l - 1] == '*') 22678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project l--; 22688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!strncasecmp(wp->word, remote_number, l)) 22698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 1; 22708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp = wp->next; 22718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 22728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return 0; 22748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 22758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 22778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * check_access - complain if a secret file has too-liberal permissions. 22788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 22798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 22808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectcheck_access(f, filename) 22818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 22828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 22838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 22848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct stat sbuf; 22858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (fstat(fileno(f), &sbuf) < 0) { 22878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("cannot stat secret file %s: %m", filename); 22888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } else if ((sbuf.st_mode & (S_IRWXG | S_IRWXO)) != 0) { 22898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("Warning - secret file %s has world and/or group access", 22908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project filename); 22918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 22928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 22938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 22958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 22968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * scan_authfile - Scan an authorization file for a secret suitable 22978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * for authenticating `client' on `server'. The return value is -1 22988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * if no secret is found, otherwise >= 0. The return value has 22998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * NONWILD_CLIENT set if the secret didn't have "*" for the client, and 23008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * NONWILD_SERVER set if the secret didn't have "*" for the server. 23018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Any following words on the line up to a "--" (i.e. address authorization 23028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * info) are placed in a wordlist and returned in *addrs. Any 23038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * following words (extra options) are placed in a wordlist and 23048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * returned in *opts. 23058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * We assume secret is NULL or points to MAXWORDLEN bytes of space. 23068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Flags are non-zero if we need two colons in the secret in order to 23078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * match. 23088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 23108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectscan_authfile(f, client, server, secret, addrs, opts, filename, flags) 23118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *f; 23128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *client; 23138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *server; 23148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *secret; 23158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist **addrs; 23168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist **opts; 23178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *filename; 23188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int flags; 23198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 23208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int newline, xxx; 23218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int got_flag, best_flag; 23228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project FILE *sf; 23238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *ap, *addr_list, *alist, **app; 23248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char word[MAXWORDLEN]; 23258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char atfile[MAXWORDLEN]; 23268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char lsecret[MAXWORDLEN]; 23278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *cp; 23288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != NULL) 23308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *addrs = NULL; 23318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (opts != NULL) 23328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *opts = NULL; 23338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addr_list = NULL; 23348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!getword(f, word, &newline, filename)) 23358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return -1; /* file is empty??? */ 23368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project newline = 1; 23378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project best_flag = -1; 23388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (;;) { 23398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Skip until we find a word at the start of a line. 23418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project while (!newline && getword(f, word, &newline, filename)) 23438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ; 23448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!newline) 23458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; /* got to end of file */ 23468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Got a client - check if it's a match or a wildcard. 23498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project got_flag = 0; 23518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (client != NULL && strcmp(word, client) != 0 && !ISWILD(word)) { 23528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project newline = 0; 23538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 23548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 23558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!ISWILD(word)) 23568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project got_flag = NONWILD_CLIENT; 23578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Now get a server and check if it matches. 23608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!getword(f, word, &newline, filename)) 23628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 23638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (newline) 23648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 23658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!ISWILD(word)) { 23668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (server != NULL && strcmp(word, server) != 0) 23678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 23688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project got_flag |= NONWILD_SERVER; 23698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 23708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Got some sort of a match - see if it's better than what 23738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * we have already. 23748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (got_flag <= best_flag) 23768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 23778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Get the secret. 23808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!getword(f, word, &newline, filename)) 23828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 23838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (newline) 23848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 23858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * SRP-SHA1 authenticator should never be reading secrets from 23888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * a file. (Authenticatee may, though.) 23898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (flags && ((cp = strchr(word, ':')) == NULL || 23918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strchr(cp + 1, ':') == NULL)) 23928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 23938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 23948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (secret != NULL) { 23958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 23968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Special syntax: @/pathname means read secret from file. 23978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 23988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (word[0] == '@' && word[1] == '/') { 23998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(atfile, word+1, sizeof(atfile)); 24008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((sf = fopen(atfile, "r")) == NULL) { 24018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("can't open indirect secret file %s", atfile); 24028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 24038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project check_access(sf, atfile); 24058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!getword(sf, word, &xxx, atfile)) { 24068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project warn("no secret in indirect secret file %s", atfile); 24078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(sf); 24088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project continue; 24098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project fclose(sf); 24118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(lsecret, word, sizeof(lsecret)); 24138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 24168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * Now read address authorization info and make a wordlist. 24178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 24188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project app = &alist; 24198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (;;) { 24208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!getword(f, word, &newline, filename) || newline) 24218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 24228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ap = (struct wordlist *) 24238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project malloc(sizeof(struct wordlist) + strlen(word) + 1); 24248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ap == NULL) 24258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project novm("authorized addresses"); 24268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ap->word = (char *) (ap + 1); 24278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strcpy(ap->word, word); 24288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *app = ap; 24298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project app = &ap->next; 24308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *app = NULL; 24328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* 24348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * This is the best so far; remember it. 24358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 24368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project best_flag = got_flag; 24378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addr_list) 24388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addr_list); 24398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project addr_list = alist; 24408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (secret != NULL) 24418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project strlcpy(secret, lsecret, MAXWORDLEN); 24428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (!newline) 24448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 24458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* scan for a -- word indicating the start of options */ 24488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (app = &addr_list; (ap = *app) != NULL; app = &ap->next) 24498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (strcmp(ap->word, "--") == 0) 24508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 24518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project /* ap = start of options */ 24528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (ap != NULL) { 24538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ap = ap->next; /* first option */ 24548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free(*app); /* free the "--" word */ 24558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *app = NULL; /* terminate addr list */ 24568ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24578ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (opts != NULL) 24588ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *opts = ap; 24598ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (ap != NULL) 24608ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(ap); 24618ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (addrs != NULL) 24628ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project *addrs = addr_list; 24638ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else if (addr_list != NULL) 24648ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free_wordlist(addr_list); 24658ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24668ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return best_flag; 24678ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 24688ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24698ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 24708ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * wordlist_count - return the number of items in a wordlist 24718ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 24728ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic int 24738ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectwordlist_count(wp) 24748ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *wp; 24758ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 24768ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project int n; 24778ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24788ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project for (n = 0; wp != NULL; wp = wp->next) 24798ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project ++n; 24808ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project return n; 24818ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 24828ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24838ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 24848ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * free_wordlist - release memory allocated for a wordlist. 24858ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 24868ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 24878ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectfree_wordlist(wp) 24888ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *wp; 24898ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 24908ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct wordlist *next; 24918ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24928ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project while (wp != NULL) { 24938ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project next = wp->next; 24948ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project free(wp); 24958ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project wp = next; 24968ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 24978ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 24988ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 24998ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 25008ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth_script_done - called when the auth-up or auth-down script 25018ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * has finished. 25028ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 25038ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 25048ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_script_done(arg) 25058ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project void *arg; 25068ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 25078ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script_pid = 0; 25088ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project switch (auth_script_state) { 25098ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case s_up: 25108ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_state == s_down) { 25118ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script_state = s_down; 25128ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script(_PATH_AUTHDOWN); 25138ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 25148ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 25158ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project case s_down: 25168ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if (auth_state == s_up) { 25178ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script_state = s_up; 25188ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script(_PATH_AUTHUP); 25198ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 25208ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project break; 25218ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 25228ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 25238ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 25248ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project/* 25258ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * auth_script - execute a script with arguments 25268ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project * interface-name peer-name real-user tty speed 25278ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project */ 25288ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectstatic void 25298ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Projectauth_script(script) 25308ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *script; 25318ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project{ 25328ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char strspeed[32]; 25338ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project struct passwd *pw; 25348ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char struid[32]; 25358ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *user_name; 25368ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project char *argv[8]; 25378ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 25388ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project if ((pw = getpwuid(getuid())) != NULL && pw->pw_name != NULL) 25398ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project user_name = pw->pw_name; 25408ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project else { 25418ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project slprintf(struid, sizeof(struid), "%d", getuid()); 25428ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project user_name = struid; 25438ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project } 25448ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project slprintf(strspeed, sizeof(strspeed), "%d", baud_rate); 25458ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 25468ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[0] = script; 25478ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[1] = ifname; 25488ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[2] = peer_authname; 25498ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[3] = user_name; 25508ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[4] = devnam; 25518ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[5] = strspeed; 25528ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project argv[6] = NULL; 25538ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project 25548ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project auth_script_pid = run_program(script, argv, 0, auth_script_done, NULL); 25558ad0dd2a5c5f23cd210aedba72a43e48026e7436The Android Open Source Project} 2556