1837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh/* 2e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh * Copyright (C) 2011 The Android Open Source Project 3837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * 4837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * Licensed under the Apache License, Version 2.0 (the "License"); 5837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * you may not use this file except in compliance with the License. 6837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * You may obtain a copy of the License at 7837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * 8837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * http://www.apache.org/licenses/LICENSE-2.0 9837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * 10837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * Unless required by applicable law or agreed to in writing, software 11837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * distributed under the License is distributed on an "AS IS" BASIS, 12837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * See the License for the specific language governing permissions and 14837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh * limitations under the License. 15837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh */ 16837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 17837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh#include <stdio.h> 18837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh#include <stdlib.h> 19bd5fa3c99638830d3fa1ae5b4fc4988de5ee0f4dChia-chi Yeh#include <stdarg.h> 20837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh#include <signal.h> 21f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh#include <poll.h> 2266d08f4f81c446015c03113bd86d1ef5121bab36Chia-chi Yeh#include <unistd.h> 23f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh 24837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh#include "config.h" 25837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh#include "gcmalloc.h" 26837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh#include "schedule.h" 27bd5fa3c99638830d3fa1ae5b4fc4988de5ee0f4dChia-chi Yeh#include "plog.h" 28837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 29458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh#ifdef ANDROID_CHANGES 30458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh 311070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <string.h> 321070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <sys/types.h> 331070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <sys/socket.h> 341070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <sys/ioctl.h> 351070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <sys/stat.h> 361070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <fcntl.h> 371070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <errno.h> 381070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <linux/if.h> 391070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <linux/if_tun.h> 401070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh 411070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <android/log.h> 421070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <cutils/sockets.h> 431070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh#include <private/android_filesystem_config.h> 441070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh 45cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yehstatic void notify_death() 46cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yeh{ 47cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yeh creat("/data/misc/vpn/abort", 0); 48cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yeh} 49cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yeh 504dd8f6be6496fc7cb7b7351c79f6a90be7be8991Chia-chi Yehstatic int android_get_control_and_arguments(int *argc, char ***argv) 51458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh{ 52c9ac7d2fae3a233f928fd3f643ffa20b6ea602d3Chia-chi Yeh static char *args[32]; 53458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh int control; 54458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh int i; 55458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh 56cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yeh atexit(notify_death); 57cadace43df20e28cc98c2068b327ec3ebe119418Chia-chi Yeh 58458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh if ((i = android_get_control_socket("racoon")) == -1) { 59e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh return -1; 60458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 61458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh do_plog(LLV_DEBUG, "Waiting for control socket"); 62458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh if (listen(i, 1) == -1 || (control = accept(i, NULL, 0)) == -1) { 63458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh do_plog(LLV_ERROR, "Cannot get control socket"); 64f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh exit(1); 65458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 66458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh close(i); 673724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh fcntl(control, F_SETFD, FD_CLOEXEC); 68458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh 69458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh args[0] = (*argv)[0]; 70c9ac7d2fae3a233f928fd3f643ffa20b6ea602d3Chia-chi Yeh for (i = 1; i < 32; ++i) { 71c9ac7d2fae3a233f928fd3f643ffa20b6ea602d3Chia-chi Yeh unsigned char bytes[2]; 723724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh if (recv(control, &bytes[0], 1, 0) != 1 || 733724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh recv(control, &bytes[1], 1, 0) != 1) { 74458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh do_plog(LLV_ERROR, "Cannot get argument length"); 75f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh exit(1); 76458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } else { 773724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh int length = bytes[0] << 8 | bytes[1]; 78458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh int offset = 0; 79c9ac7d2fae3a233f928fd3f643ffa20b6ea602d3Chia-chi Yeh 803724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh if (length == 0xFFFF) { 813724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh break; 823724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh } 83458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh args[i] = malloc(length + 1); 84458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh while (offset < length) { 85458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh int n = recv(control, &args[i][offset], length - offset, 0); 86458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh if (n > 0) { 87458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh offset += n; 88458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } else { 89458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh do_plog(LLV_ERROR, "Cannot get argument value"); 90f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh exit(1); 91458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 92458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 93458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh args[i][length] = 0; 94458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 95458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 96458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh do_plog(LLV_DEBUG, "Received %d arguments", i - 1); 97458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh 98458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh *argc = i; 99458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh *argv = args; 100e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh return control; 101c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh} 102c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh 103a9a07aca7cd1e611f2d73582f20623cd62b917baChia-chi Yehconst char *android_hook(char **envp) 1041070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh{ 1051070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh struct ifreq ifr = {.ifr_flags = IFF_TUN}; 106dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh int tun = open("/dev/tun", 0); 1071070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh 108a9a07aca7cd1e611f2d73582f20623cd62b917baChia-chi Yeh /* Android does not support INTERNAL_WINS4_LIST, so we just use it. */ 109dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh while (*envp && strncmp(*envp, "INTERNAL_WINS4_LIST=", 20)) { 110dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh ++envp; 111dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh } 112dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh if (!*envp) { 113dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh do_plog(LLV_ERROR, "Cannot find environment variable\n"); 114dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh exit(1); 115dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh } 1161070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh if (ioctl(tun, TUNSETIFF, &ifr)) { 1171070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh do_plog(LLV_ERROR, "Cannot allocate TUN: %s\n", strerror(errno)); 1181070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh exit(1); 1191070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh } 120dc6f5b944434891dabd1aed297676349b58cb893Chia-chi Yeh sprintf(*envp, "INTERFACE=%s", ifr.ifr_name); 121a9a07aca7cd1e611f2d73582f20623cd62b917baChia-chi Yeh return "/etc/ppp/ip-up-vpn"; 1221070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh} 1231070097bb11002f8b5e289982cee9e324ea2f153Chia-chi Yeh 124458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh#endif 125458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh 126c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yehextern void setup(int argc, char **argv); 127cb1e9555c0938513dc78b35f3f6e661848b0de9atetsuya, kobayashiextern void shutdown_session(); 128f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh 129c91307af2622f6625525f3c1f9c954376df950adChia-chi Yehstatic int monitors; 130c91307af2622f6625525f3c1f9c954376df950adChia-chi Yehstatic void (*callbacks[10])(int fd); 131f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yehstatic struct pollfd pollfds[10]; 132c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh 133c91307af2622f6625525f3c1f9c954376df950adChia-chi Yehchar *pname; 134c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh 135c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yehstatic void terminate(int signal) 136c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh{ 137c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh exit(1); 138c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh} 139c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh 140c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yehstatic void terminated() 141c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh{ 142c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh do_plog(LLV_INFO, "Bye\n"); 143c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh} 144c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh 145c91307af2622f6625525f3c1f9c954376df950adChia-chi Yehvoid monitor_fd(int fd, void (*callback)(int)) 146c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh{ 147c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh if (fd < 0 || monitors == 10) { 148c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh do_plog(LLV_ERROR, "Cannot monitor fd"); 149c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh exit(1); 150c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh } 151c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh callbacks[monitors] = callback; 152c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh pollfds[monitors].fd = fd; 153c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh pollfds[monitors].events = callback ? POLLIN : 0; 154c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh ++monitors; 155c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh} 156c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh 157837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yehint main(int argc, char **argv) 158837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh{ 159e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh#ifdef ANDROID_CHANGES 1604dd8f6be6496fc7cb7b7351c79f6a90be7be8991Chia-chi Yeh int control = android_get_control_and_arguments(&argc, &argv); 161a029281fff6b28b379bd69602f8f5649f0a2740dAdam Langley 162e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh if (control != -1) { 1638f3b38855d8849959825acc45dd11144adc7d862Chia-chi Yeh pname = "%p"; 164c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh monitor_fd(control, NULL); 165e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh } 166e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh#endif 167e9fc376dc7e9ee22358b872c3eb2808fa42160f0Chia-chi Yeh 168c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh do_plog(LLV_INFO, "ipsec-tools 0.7.3 (http://ipsec-tools.sf.net)\n"); 169837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 1707197eb77ef21feeedc5a47de31ded3a19c2af021Chia-chi Yeh signal(SIGHUP, terminate); 1717197eb77ef21feeedc5a47de31ded3a19c2af021Chia-chi Yeh signal(SIGINT, terminate); 1727197eb77ef21feeedc5a47de31ded3a19c2af021Chia-chi Yeh signal(SIGTERM, terminate); 173837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh signal(SIGPIPE, SIG_IGN); 1749d271b685df5830e92a789119fe9b908da2f6c78Chia-chi Yeh atexit(terminated); 175837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 17612f449335c62c731f6eb33db7e27ce331f423f71Chia-chi Yeh setup(argc, argv); 17712f449335c62c731f6eb33db7e27ce331f423f71Chia-chi Yeh 17812f449335c62c731f6eb33db7e27ce331f423f71Chia-chi Yeh#ifdef ANDROID_CHANGES 1793724e61c7fb7a792d36c4dbec826e06b1aabd039Chia-chi Yeh shutdown(control, SHUT_WR); 18012f449335c62c731f6eb33db7e27ce331f423f71Chia-chi Yeh#endif 18112f449335c62c731f6eb33db7e27ce331f423f71Chia-chi Yeh 182837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh while (1) { 183f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh struct timeval *tv = schedular(); 184f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh int timeout = tv->tv_sec * 1000 + tv->tv_usec / 1000 + 1; 185f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh 186c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh if (poll(pollfds, monitors, timeout) > 0) { 187f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh int i; 188c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh for (i = 0; i < monitors; ++i) { 189f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh if (pollfds[i].revents & POLLHUP) { 19066d08f4f81c446015c03113bd86d1ef5121bab36Chia-chi Yeh do_plog(LLV_INFO, "Connection is closed\n", pollfds[i].fd); 191cb1e9555c0938513dc78b35f3f6e661848b0de9atetsuya, kobayashi shutdown_session(); 192cb1e9555c0938513dc78b35f3f6e661848b0de9atetsuya, kobayashi 19366d08f4f81c446015c03113bd86d1ef5121bab36Chia-chi Yeh /* Wait for few seconds to consume late messages. */ 19466d08f4f81c446015c03113bd86d1ef5121bab36Chia-chi Yeh sleep(5); 195f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh exit(1); 196f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh } 197f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh if (pollfds[i].revents & POLLIN) { 198c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh callbacks[i](pollfds[i].fd); 199f8a6a7636d53a5730c58ae041e4e09ae12e1657cChia-chi Yeh } 200837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh } 201837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh } 202837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh } 203a029281fff6b28b379bd69602f8f5649f0a2740dAdam Langley 204837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh return 0; 205837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh} 206837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 207837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh/* plog.h */ 208837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 209837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yehvoid do_plog(int level, char *format, ...) 210837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh{ 211458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh if (level >= 0 && level <= 5) { 212458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh#ifdef ANDROID_CHANGES 213458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh static int levels[6] = { 214458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh ANDROID_LOG_ERROR, ANDROID_LOG_WARN, ANDROID_LOG_INFO, 215458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh ANDROID_LOG_INFO, ANDROID_LOG_DEBUG, ANDROID_LOG_VERBOSE 216458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh }; 217458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh va_list ap; 218458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh va_start(ap, format); 219458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh __android_log_vprint(levels[level], "racoon", format, ap); 220458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh va_end(ap); 221458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh#else 222458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh static char *levels = "EWNIDV"; 223458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh fprintf(stderr, "%c: ", levels[level]); 224458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh va_list ap; 225458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh va_start(ap, format); 226458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh vfprintf(stderr, format, ap); 227458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh va_end(ap); 228458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh#endif 229458fe1ef88671dfe580c488973d5573194839087Chia-chi Yeh } 230837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh} 231837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh 232837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yehchar *binsanitize(char *data, size_t length) 233837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh{ 234837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh char *output = racoon_malloc(length + 1); 235837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh if (output) { 236837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh size_t i; 237837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh for (i = 0; i < length; ++i) { 238c454954382b81262dc81ac54e147f4dc7fc0af75Chia-chi Yeh output[i] = (data[i] < ' ' || data[i] > '~') ? '?' : data[i]; 239837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh } 240837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh output[length] = '\0'; 241837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh } 242837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh return output; 243837a1c77bab77bd62cccb33a15163a962f8dfb97Chia-chi Yeh} 244