18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_supplicant/hostapd control interface library 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UNIX 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <sys/un.h> 1561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include <unistd.h> 1661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include <fcntl.h> 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX */ 1861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 1961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include <netdb.h> 2061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef ANDROID 231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include <dirent.h> 2496362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong#include <grp.h> 2596362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong#include <pwd.h> 26db23819096e5ce4de872fa2346de7070eada297bMark Salyzyn#include <sys/stat.h> 2796362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong#include <sys/types.h> 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <cutils/sockets.h> 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ANDROID */ 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 32f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#include <net/if.h> 33f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 34f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_ctrl.h" 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE_UNIX) || defined(CONFIG_CTRL_IFACE_UDP) 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define CTRL_IFACE_SOCKET 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX || CONFIG_CTRL_IFACE_UDP */ 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct wpa_ctrl - Internal structure for control interface library 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This structure is used by the wpa_supplicant/hostapd control interface 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * library to store internal data. Programs using the library should not touch 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * this data directly. They can only use the pointer to the data structure as 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * an identifier for the control interface connection and use this as one of 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the arguments for most of the control interface library functions. 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl { 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int s; 56f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 57f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt struct sockaddr_in6 local; 58f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt struct sockaddr_in6 dest; 59f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_in local; 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_in dest; 62f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *cookie; 6461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *remote_ifname; 6561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *remote_ip; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP */ 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UNIX 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int s; 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_un local; 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_un dest; 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX */ 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HANDLE pipe; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UNIX 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_CTRL_IFACE_CLIENT_DIR 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define CONFIG_CTRL_IFACE_CLIENT_DIR "/tmp" 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_CLIENT_DIR */ 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_CTRL_IFACE_CLIENT_PREFIX 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define CONFIG_CTRL_IFACE_CLIENT_PREFIX "wpa_ctrl_" 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_CLIENT_PREFIX */ 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 90d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return wpa_ctrl_open2(ctrl_path, NULL); 91d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt} 92d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 93d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 94d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open2(const char *ctrl_path, 95d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt const char *cli_path) 96d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt{ 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ctrl *ctrl; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt static int counter = 0; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t res; 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int tries = 0; 10261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int flags; 10396362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong#ifdef ANDROID 10496362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong struct group *grp_wifi; 10596362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong gid_t gid_wifi; 10696362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong struct passwd *pwd_system; 10796362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong uid_t uid_system; 10896362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong#endif 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 110b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (ctrl_path == NULL) 111b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return NULL; 112b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt 113fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt ctrl = os_zalloc(sizeof(*ctrl)); 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->s = socket(PF_UNIX, SOCK_DGRAM, 0); 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->s < 0) { 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->local.sun_family = AF_UNIX; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt counter++; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttry_again: 126d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (cli_path && cli_path[0] == '/') { 127d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ret = os_snprintf(ctrl->local.sun_path, 128d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt sizeof(ctrl->local.sun_path), 129d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "%s/" CONFIG_CTRL_IFACE_CLIENT_PREFIX "%d-%d", 130d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt cli_path, (int) getpid(), counter); 131d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } else { 132d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ret = os_snprintf(ctrl->local.sun_path, 133d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt sizeof(ctrl->local.sun_path), 134d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt CONFIG_CTRL_IFACE_CLIENT_DIR "/" 135d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt CONFIG_CTRL_IFACE_CLIENT_PREFIX "%d-%d", 136d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt (int) getpid(), counter); 137d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 138fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (os_snprintf_error(sizeof(ctrl->local.sun_path), ret)) { 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tries++; 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bind(ctrl->s, (struct sockaddr *) &ctrl->local, 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->local)) < 0) { 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (errno == EADDRINUSE && tries < 2) { 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * getpid() returns unique identifier for this instance 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of wpa_ctrl, so the existing socket file must have 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been left by unclean termination of an earlier run. 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Remove the file and try again. 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto try_again; 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef ANDROID 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt chmod(ctrl->local.sun_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); 163d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt /* Set group even if we do not have privileges to change owner */ 16496362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong grp_wifi = getgrnam("wifi"); 16596362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong gid_wifi = grp_wifi ? grp_wifi->gr_gid : 0; 16696362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong pwd_system = getpwnam("system"); 16796362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong uid_system = pwd_system ? pwd_system->pw_uid : 0; 16896362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong if (!gid_wifi || !uid_system) { 16996362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong close(ctrl->s); 17096362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong unlink(ctrl->local.sun_path); 17196362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong os_free(ctrl); 17296362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong return NULL; 17396362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong } 17496362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong chown(ctrl->local.sun_path, -1, gid_wifi); 17596362dea152ab58e4f2ebb15397809a6be0d210aYifan Hong chown(ctrl->local.sun_path, uid_system, gid_wifi); 176b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt 177b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (os_strncmp(ctrl_path, "@android:", 9) == 0) { 178b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (socket_local_client_connect( 179b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt ctrl->s, ctrl_path + 9, 180b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt ANDROID_SOCKET_NAMESPACE_RESERVED, 181b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt SOCK_DGRAM) < 0) { 182b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt close(ctrl->s); 183b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt unlink(ctrl->local.sun_path); 184b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt os_free(ctrl); 185b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return NULL; 186b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } 187b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return ctrl; 188b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } 189b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * If the ctrl_path isn't an absolute pathname, assume that 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it's the name of a socket in the Android reserved namespace. 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Otherwise, it's a normal UNIX domain socket appearing in the 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * filesystem. 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 196b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (*ctrl_path != '/') { 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[21]; 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), "wpa_%s", ctrl_path); 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (socket_local_client_connect( 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->s, buf, 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ANDROID_SOCKET_NAMESPACE_RESERVED, 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SOCK_DGRAM) < 0) { 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ANDROID */ 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sun_family = AF_UNIX; 213b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (os_strncmp(ctrl_path, "@abstract:", 10) == 0) { 214b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt ctrl->dest.sun_path[0] = '\0'; 215b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt os_strlcpy(ctrl->dest.sun_path + 1, ctrl_path + 10, 216b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt sizeof(ctrl->dest.sun_path) - 1); 217b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } else { 218b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt res = os_strlcpy(ctrl->dest.sun_path, ctrl_path, 219b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt sizeof(ctrl->dest.sun_path)); 220b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (res >= sizeof(ctrl->dest.sun_path)) { 221b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt close(ctrl->s); 222b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt os_free(ctrl); 223b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return NULL; 224b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest, 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->dest)) < 0) { 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* 23561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * Make socket non-blocking so that we don't hang forever if 23661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * target dies unexpectedly. 23761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 23861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt flags = fcntl(ctrl->s, F_GETFL); 23961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (flags >= 0) { 24061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt flags |= O_NONBLOCK; 24161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (fcntl(ctrl->s, F_SETFL, flags) < 0) { 24261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt perror("fcntl(ctrl->s, O_NONBLOCK)"); 24361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Not fatal, continue on.*/ 24461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 24561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 24661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_ctrl_close(struct wpa_ctrl *ctrl) 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->s >= 0) 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef ANDROID 2631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt/** 2641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wpa_ctrl_cleanup() - Delete any local UNIX domain socket files that 2651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * may be left over from clients that were previously connected to 2661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wpa_supplicant. This keeps these files from being orphaned in the 2671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * event of crashes that prevented them from being removed as part 2681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * of the normal orderly shutdown. 2691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 2701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid wpa_ctrl_cleanup(void) 2711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt DIR *dir; 2731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct dirent entry; 2741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct dirent *result; 2751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t dirnamelen; 2761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t maxcopy; 2771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt char pathname[PATH_MAX]; 2781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt char *namep; 2791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((dir = opendir(CONFIG_CTRL_IFACE_CLIENT_DIR)) == NULL) 2811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 2821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt dirnamelen = (size_t) os_snprintf(pathname, sizeof(pathname), "%s/", 2841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt CONFIG_CTRL_IFACE_CLIENT_DIR); 2851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (dirnamelen >= sizeof(pathname)) { 2861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt closedir(dir); 2871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 2881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 2891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt namep = pathname + dirnamelen; 2901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt maxcopy = PATH_MAX - dirnamelen; 2911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt while (readdir_r(dir, &entry, &result) == 0 && result != NULL) { 2923733ef3f86d438d165bb13eb3b41415c3410be85Dmitry Shmidt if (os_strlcpy(namep, entry.d_name, maxcopy) < maxcopy) 2933733ef3f86d438d165bb13eb3b41415c3410be85Dmitry Shmidt unlink(pathname); 2941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 2951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt closedir(dir); 2961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 2971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* ANDROID */ 2981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#else /* CONFIG_CTRL_IFACE_UNIX */ 3001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef ANDROID 3021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid wpa_ctrl_cleanup(void) 3031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 3041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 3051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* ANDROID */ 3061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX */ 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ctrl *ctrl; 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[128]; 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 31761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 31861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct hostent *h; 31961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 321fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt ctrl = os_zalloc(sizeof(*ctrl)); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 325f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 326f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->s = socket(PF_INET6, SOCK_DGRAM, 0); 327f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->s = socket(PF_INET, SOCK_DGRAM, 0); 329f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->s < 0) { 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt perror("socket"); 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 336f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 337f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->local.sin6_family = AF_INET6; 338f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 339f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->local.sin6_addr = in6addr_any; 340f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 341f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt inet_pton(AF_INET6, "::1", &ctrl->local.sin6_addr); 342f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 343f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->local.sin_family = AF_INET; 34561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 34661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->local.sin_addr.s_addr = INADDR_ANY; 34761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->local.sin_addr.s_addr = htonl((127 << 24) | 1); 34961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 350f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 351f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bind(ctrl->s, (struct sockaddr *) &ctrl->local, 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->local)) < 0) { 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 359f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 360f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->dest.sin6_family = AF_INET6; 361f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt inet_pton(AF_INET6, "::1", &ctrl->dest.sin6_addr); 362f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->dest.sin6_port = htons(WPA_CTRL_IFACE_PORT); 363f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sin_family = AF_INET; 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sin_addr.s_addr = htonl((127 << 24) | 1); 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sin_port = htons(WPA_CTRL_IFACE_PORT); 367f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 36861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 36961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 37061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ctrl_path) { 37161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *port, *name; 37261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int port_id; 373f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 374f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt char *scope; 375f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt int scope_id = 0; 376f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 37761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 37861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt name = os_strdup(ctrl_path); 37961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (name == NULL) { 38061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt close(ctrl->s); 38161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl); 38261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 38361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 384f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 385f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt port = os_strchr(name, ','); 386f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 38761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port = os_strchr(name, ':'); 388f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 38961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 39061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (port) { 39161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port_id = atoi(&port[1]); 39261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port[0] = '\0'; 39361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 39461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port_id = WPA_CTRL_IFACE_PORT; 39561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 396f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 397f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt scope = os_strchr(name, '%'); 398f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (scope) { 399f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt scope_id = if_nametoindex(&scope[1]); 400f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt scope[0] = '\0'; 401f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 402f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt h = gethostbyname2(name, AF_INET6); 403f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 40461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt h = gethostbyname(name); 405f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 40661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ip = os_strdup(name); 40761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(name); 40861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (h == NULL) { 40961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt perror("gethostbyname"); 41061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt close(ctrl->s); 41161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ip); 41261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl); 41361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 41461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 415f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 416f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->dest.sin6_scope_id = scope_id; 417f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ctrl->dest.sin6_port = htons(port_id); 418f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt os_memcpy(&ctrl->dest.sin6_addr, h->h_addr, h->h_length); 419f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 42061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->dest.sin_port = htons(port_id); 421f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt os_memcpy(&ctrl->dest.sin_addr.s_addr, h->h_addr, h->h_length); 422f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 42361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 42461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ip = os_strdup("localhost"); 42561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 42661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest, 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->dest)) < 0) { 429f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 430f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt char addr[INET6_ADDRSTRLEN]; 431f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt wpa_printf(MSG_ERROR, "connect(%s:%d) failed: %s", 432f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt inet_ntop(AF_INET6, &ctrl->dest.sin6_addr, addr, 433f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sizeof(ctrl->dest)), 434f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ntohs(ctrl->dest.sin6_port), 435f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt strerror(errno)); 436f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 437f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt wpa_printf(MSG_ERROR, "connect(%s:%d) failed: %s", 438f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt inet_ntoa(ctrl->dest.sin_addr), 439f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ntohs(ctrl->dest.sin_port), 440f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt strerror(errno)); 441f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 44361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ip); 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = sizeof(buf) - 1; 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ctrl_request(ctrl, "GET_COOKIE", 10, buf, &len, NULL) == 0) { 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf[len] = '\0'; 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->cookie = os_strdup(buf); 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 45461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wpa_ctrl_request(ctrl, "IFNAME", 6, buf, &len, NULL) == 0) { 45561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len] = '\0'; 45661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ifname = os_strdup(buf); 45761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 45861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 46361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtchar * wpa_ctrl_get_remote_ifname(struct wpa_ctrl *ctrl) 46461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 46561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define WPA_CTRL_MAX_PS_NAME 100 46661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt static char ps[WPA_CTRL_MAX_PS_NAME] = {}; 46761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_snprintf(ps, WPA_CTRL_MAX_PS_NAME, "%s/%s", 46861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ip, ctrl->remote_ifname); 46961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return ps; 47061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 47161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 47261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_ctrl_close(struct wpa_ctrl *ctrl) 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl->cookie); 47761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ifname); 47861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ip); 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP */ 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CTRL_IFACE_SOCKET 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len, 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *reply, size_t *reply_len, 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*msg_cb)(char *msg, size_t len)) 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct timeval tv; 491fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime started_at; 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fd_set rfds; 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *_cmd; 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *cmd_buf = NULL; 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t _cmd_len; 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->cookie) { 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *pos; 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd_len = os_strlen(ctrl->cookie) + 1 + cmd_len; 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cmd_buf = os_malloc(_cmd_len); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cmd_buf == NULL) 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd = cmd_buf; 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = cmd_buf; 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlcpy(pos, ctrl->cookie, _cmd_len); 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += os_strlen(ctrl->cookie); 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = ' '; 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, cmd, cmd_len); 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP */ 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd = cmd; 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd_len = cmd_len; 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 51861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt errno = 0; 51961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt started_at.sec = 0; 52061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt started_at.usec = 0; 52161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtretry_send: 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send(ctrl->s, _cmd, _cmd_len, 0) < 0) { 52361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (errno == EAGAIN || errno == EBUSY || errno == EWOULDBLOCK) 52461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt { 52561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* 52661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * Must be a non-blocking socket... Try for a bit 52761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * longer before giving up. 52861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 52961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (started_at.sec == 0) 530fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&started_at); 53161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt else { 532fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime n; 533fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&n); 53461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Try for a few seconds. */ 535fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (os_reltime_expired(&n, &started_at, 5)) 53661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt goto send_err; 53761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 53861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_sleep(1, 0); 53961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt goto retry_send; 54061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 54161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt send_err: 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(cmd_buf); 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(cmd_buf); 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (;;) { 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_sec = 10; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_usec = 0; 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_ZERO(&rfds); 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_SET(ctrl->s, &rfds); 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv); 553b97e428f8acf1ecb93f38f8d0063d2f2fd0bc36eDmitry Shmidt if (res < 0 && errno == EINTR) 554b97e428f8acf1ecb93f38f8d0063d2f2fd0bc36eDmitry Shmidt continue; 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (FD_ISSET(ctrl->s, &rfds)) { 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = recv(ctrl->s, reply, *reply_len, 0); 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res > 0 && reply[0] == '<') { 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* This is an unsolicited message from 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_supplicant, not the reply to the 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * request. Use msg_cb to report this to the 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * caller. */ 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg_cb) { 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Make sure the message is nul 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * terminated. */ 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((size_t) res == *reply_len) 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = (*reply_len) - 1; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reply[res] = '\0'; 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg_cb(reply, res); 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = res; 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -2; 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CTRL_IFACE_SOCKET */ 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_ctrl_attach_helper(struct wpa_ctrl *ctrl, int attach) 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[10]; 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len = 10; 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wpa_ctrl_request(ctrl, attach ? "ATTACH" : "DETACH", 6, 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, &len, NULL); 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len == 3 && os_memcmp(buf, "OK\n", 3) == 0) 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_attach(struct wpa_ctrl *ctrl) 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wpa_ctrl_attach_helper(ctrl, 1); 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_detach(struct wpa_ctrl *ctrl) 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wpa_ctrl_attach_helper(ctrl, 0); 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CTRL_IFACE_SOCKET 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len) 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = recv(ctrl->s, reply, *reply_len, 0); 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = res; 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_pending(struct wpa_ctrl *ctrl) 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct timeval tv; 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fd_set rfds; 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_sec = 0; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_usec = 0; 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_ZERO(&rfds); 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_SET(ctrl->s, &rfds); 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt select(ctrl->s + 1, &rfds, NULL, NULL, &tv); 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FD_ISSET(ctrl->s, &rfds); 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_get_fd(struct wpa_ctrl *ctrl) 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl->s; 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CTRL_IFACE_SOCKET */ 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WPA_SUPPLICANT_NAMED_PIPE 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_SUPPLICANT_NAMED_PIPE "WpaSupplicant" 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define NAMED_PIPE_PREFIX TEXT("\\\\.\\pipe\\") TEXT(WPA_SUPPLICANT_NAMED_PIPE) 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ctrl *ctrl; 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD mode; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TCHAR name[256]; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i, ret; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl = os_malloc(sizeof(*ctrl)); 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ctrl, 0, sizeof(*ctrl)); 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef UNICODE 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl_path == NULL) 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX); 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX TEXT("-%S"), 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl_path); 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* UNICODE */ 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl_path == NULL) 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX); 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX "-%s", 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl_path); 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* UNICODE */ 682fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (os_snprintf_error(256, ret)) { 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 10; i++) { 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->pipe = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL, OPEN_EXISTING, 0, NULL); 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Current named pipe server side in wpa_supplicant is 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * re-opening the pipe for new clients only after the previous 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * one is taken into use. This leaves a small window for race 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * conditions when two connections are being opened at almost 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the same time. Retry if that was the case. 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->pipe != INVALID_HANDLE_VALUE || 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt GetLastError() != ERROR_PIPE_BUSY) 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WaitNamedPipe(name, 1000); 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->pipe == INVALID_HANDLE_VALUE) { 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mode = PIPE_READMODE_MESSAGE; 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!SetNamedPipeHandleState(ctrl->pipe, &mode, NULL, NULL)) { 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CloseHandle(ctrl->pipe); 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_ctrl_close(struct wpa_ctrl *ctrl) 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CloseHandle(ctrl->pipe); 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len, 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *reply, size_t *reply_len, 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*msg_cb)(char *msg, size_t len)) 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD written; 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD readlen = *reply_len; 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!WriteFile(ctrl->pipe, cmd, cmd_len, &written, NULL)) 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ReadFile(ctrl->pipe, reply, *reply_len, &readlen, NULL)) 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = readlen; 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len) 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD len = *reply_len; 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ReadFile(ctrl->pipe, reply, *reply_len, &len, NULL)) 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = len; 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_pending(struct wpa_ctrl *ctrl) 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD left; 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!PeekNamedPipe(ctrl->pipe, NULL, 0, NULL, &left, NULL)) 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return left ? 1 : 0; 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_get_fd(struct wpa_ctrl *ctrl) 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */ 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 771