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> 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <cutils/sockets.h> 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "private/android_filesystem_config.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ANDROID */ 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_ctrl.h" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE_UNIX) || defined(CONFIG_CTRL_IFACE_UDP) 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define CTRL_IFACE_SOCKET 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX || CONFIG_CTRL_IFACE_UDP */ 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct wpa_ctrl - Internal structure for control interface library 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This structure is used by the wpa_supplicant/hostapd control interface 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * library to store internal data. Programs using the library should not touch 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * this data directly. They can only use the pointer to the data structure as 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * an identifier for the control interface connection and use this as one of 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the arguments for most of the control interface library functions. 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl { 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int s; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_in local; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_in dest; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *cookie; 5261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *remote_ifname; 5361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *remote_ip; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP */ 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UNIX 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int s; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_un local; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sockaddr_un dest; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX */ 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HANDLE pipe; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */ 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UNIX 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_CTRL_IFACE_CLIENT_DIR 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define CONFIG_CTRL_IFACE_CLIENT_DIR "/tmp" 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_CLIENT_DIR */ 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_CTRL_IFACE_CLIENT_PREFIX 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define CONFIG_CTRL_IFACE_CLIENT_PREFIX "wpa_ctrl_" 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_CLIENT_PREFIX */ 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ctrl *ctrl; 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt static int counter = 0; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t res; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int tries = 0; 8361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int flags; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 85b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (ctrl_path == NULL) 86b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return NULL; 87b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl = os_malloc(sizeof(*ctrl)); 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ctrl, 0, sizeof(*ctrl)); 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->s = socket(PF_UNIX, SOCK_DGRAM, 0); 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->s < 0) { 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->local.sun_family = AF_UNIX; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt counter++; 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttry_again: 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(ctrl->local.sun_path, sizeof(ctrl->local.sun_path), 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CONFIG_CTRL_IFACE_CLIENT_DIR "/" 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CONFIG_CTRL_IFACE_CLIENT_PREFIX "%d-%d", 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) getpid(), counter); 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= sizeof(ctrl->local.sun_path)) { 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tries++; 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bind(ctrl->s, (struct sockaddr *) &ctrl->local, 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->local)) < 0) { 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (errno == EADDRINUSE && tries < 2) { 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * getpid() returns unique identifier for this instance 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of wpa_ctrl, so the existing socket file must have 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been left by unclean termination of an earlier run. 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Remove the file and try again. 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto try_again; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef ANDROID 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt chmod(ctrl->local.sun_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt chown(ctrl->local.sun_path, AID_SYSTEM, AID_WIFI); 132b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt 133b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (os_strncmp(ctrl_path, "@android:", 9) == 0) { 134b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (socket_local_client_connect( 135b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt ctrl->s, ctrl_path + 9, 136b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt ANDROID_SOCKET_NAMESPACE_RESERVED, 137b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt SOCK_DGRAM) < 0) { 138b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt close(ctrl->s); 139b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt unlink(ctrl->local.sun_path); 140b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt os_free(ctrl); 141b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return NULL; 142b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } 143b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return ctrl; 144b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } 145b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * If the ctrl_path isn't an absolute pathname, assume that 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it's the name of a socket in the Android reserved namespace. 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Otherwise, it's a normal UNIX domain socket appearing in the 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * filesystem. 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 152b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (*ctrl_path != '/') { 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[21]; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), "wpa_%s", ctrl_path); 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (socket_local_client_connect( 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->s, buf, 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ANDROID_SOCKET_NAMESPACE_RESERVED, 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SOCK_DGRAM) < 0) { 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* ANDROID */ 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sun_family = AF_UNIX; 169b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (os_strncmp(ctrl_path, "@abstract:", 10) == 0) { 170b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt ctrl->dest.sun_path[0] = '\0'; 171b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt os_strlcpy(ctrl->dest.sun_path + 1, ctrl_path + 10, 172b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt sizeof(ctrl->dest.sun_path) - 1); 173b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } else { 174b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt res = os_strlcpy(ctrl->dest.sun_path, ctrl_path, 175b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt sizeof(ctrl->dest.sun_path)); 176b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt if (res >= sizeof(ctrl->dest.sun_path)) { 177b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt close(ctrl->s); 178b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt os_free(ctrl); 179b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt return NULL; 180b6e9aaf735990dc64cdb6efccc03d076768eabf3Dmitry Shmidt } 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest, 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->dest)) < 0) { 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* 19161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * Make socket non-blocking so that we don't hang forever if 19261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * target dies unexpectedly. 19361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 19461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt flags = fcntl(ctrl->s, F_GETFL); 19561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (flags >= 0) { 19661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt flags |= O_NONBLOCK; 19761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (fcntl(ctrl->s, F_SETFL, flags) < 0) { 19861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt perror("fcntl(ctrl->s, O_NONBLOCK)"); 19961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Not fatal, continue on.*/ 20061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 20161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 20261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_ctrl_close(struct wpa_ctrl *ctrl) 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unlink(ctrl->local.sun_path); 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->s >= 0) 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef ANDROID 2191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt/** 2201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wpa_ctrl_cleanup() - Delete any local UNIX domain socket files that 2211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * may be left over from clients that were previously connected to 2221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wpa_supplicant. This keeps these files from being orphaned in the 2231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * event of crashes that prevented them from being removed as part 2241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * of the normal orderly shutdown. 2251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 2261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid wpa_ctrl_cleanup(void) 2271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt DIR *dir; 2291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct dirent entry; 2301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct dirent *result; 2311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t dirnamelen; 2321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t maxcopy; 2331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt char pathname[PATH_MAX]; 2341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt char *namep; 2351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((dir = opendir(CONFIG_CTRL_IFACE_CLIENT_DIR)) == NULL) 2371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 2381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt dirnamelen = (size_t) os_snprintf(pathname, sizeof(pathname), "%s/", 2401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt CONFIG_CTRL_IFACE_CLIENT_DIR); 2411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (dirnamelen >= sizeof(pathname)) { 2421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt closedir(dir); 2431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 2441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 2451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt namep = pathname + dirnamelen; 2461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt maxcopy = PATH_MAX - dirnamelen; 2471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt while (readdir_r(dir, &entry, &result) == 0 && result != NULL) { 2483733ef3f86d438d165bb13eb3b41415c3410be85Dmitry Shmidt if (os_strlcpy(namep, entry.d_name, maxcopy) < maxcopy) 2493733ef3f86d438d165bb13eb3b41415c3410be85Dmitry Shmidt unlink(pathname); 2501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 2511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt closedir(dir); 2521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 2531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* ANDROID */ 2541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#else /* CONFIG_CTRL_IFACE_UNIX */ 2561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef ANDROID 2581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid wpa_ctrl_cleanup(void) 2591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 2611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* ANDROID */ 2621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UNIX */ 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ctrl *ctrl; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[128]; 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 27361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 27461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct hostent *h; 27561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl = os_malloc(sizeof(*ctrl)); 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ctrl, 0, sizeof(*ctrl)); 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->s = socket(PF_INET, SOCK_DGRAM, 0); 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->s < 0) { 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt perror("socket"); 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->local.sin_family = AF_INET; 29061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 29161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->local.sin_addr.s_addr = INADDR_ANY; 29261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->local.sin_addr.s_addr = htonl((127 << 24) | 1); 29461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bind(ctrl->s, (struct sockaddr *) &ctrl->local, 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->local)) < 0) { 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sin_family = AF_INET; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sin_addr.s_addr = htonl((127 << 24) | 1); 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->dest.sin_port = htons(WPA_CTRL_IFACE_PORT); 30561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 30661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 30761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ctrl_path) { 30861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char *port, *name; 30961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int port_id; 31061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 31161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt name = os_strdup(ctrl_path); 31261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (name == NULL) { 31361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt close(ctrl->s); 31461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl); 31561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 31661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 31761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port = os_strchr(name, ':'); 31861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 31961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (port) { 32061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port_id = atoi(&port[1]); 32161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port[0] = '\0'; 32261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 32361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt port_id = WPA_CTRL_IFACE_PORT; 32461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 32561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt h = gethostbyname(name); 32661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ip = os_strdup(name); 32761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(name); 32861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (h == NULL) { 32961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt perror("gethostbyname"); 33061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt close(ctrl->s); 33161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ip); 33261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl); 33361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return NULL; 33461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 33561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->dest.sin_port = htons(port_id); 33661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(h->h_addr, (char *) &ctrl->dest.sin_addr.s_addr, 33761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt h->h_length); 33861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 33961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ip = os_strdup("localhost"); 34061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 34161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest, 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(ctrl->dest)) < 0) { 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt perror("connect"); 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 34661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ip); 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = sizeof(buf) - 1; 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ctrl_request(ctrl, "GET_COOKIE", 10, buf, &len, NULL) == 0) { 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf[len] = '\0'; 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->cookie = os_strdup(buf); 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wpa_ctrl_request(ctrl, "IFNAME", 6, buf, &len, NULL) == 0) { 35861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[len] = '\0'; 35961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ifname = os_strdup(buf); 36061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 36161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 36661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtchar * wpa_ctrl_get_remote_ifname(struct wpa_ctrl *ctrl) 36761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 36861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define WPA_CTRL_MAX_PS_NAME 100 36961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt static char ps[WPA_CTRL_MAX_PS_NAME] = {}; 37061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_snprintf(ps, WPA_CTRL_MAX_PS_NAME, "%s/%s", 37161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ctrl->remote_ip, ctrl->remote_ifname); 37261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return ps; 37361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 37461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 37561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_ctrl_close(struct wpa_ctrl *ctrl) 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt close(ctrl->s); 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl->cookie); 38061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ifname); 38161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(ctrl->remote_ip); 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP */ 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CTRL_IFACE_SOCKET 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len, 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *reply, size_t *reply_len, 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*msg_cb)(char *msg, size_t len)) 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct timeval tv; 39461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct os_time started_at; 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fd_set rfds; 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *_cmd; 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *cmd_buf = NULL; 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t _cmd_len; 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_UDP 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->cookie) { 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *pos; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd_len = os_strlen(ctrl->cookie) + 1 + cmd_len; 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cmd_buf = os_malloc(_cmd_len); 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cmd_buf == NULL) 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd = cmd_buf; 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = cmd_buf; 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlcpy(pos, ctrl->cookie, _cmd_len); 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += os_strlen(ctrl->cookie); 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = ' '; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, cmd, cmd_len); 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_UDP */ 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd = cmd; 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt _cmd_len = cmd_len; 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 42161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt errno = 0; 42261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt started_at.sec = 0; 42361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt started_at.usec = 0; 42461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtretry_send: 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send(ctrl->s, _cmd, _cmd_len, 0) < 0) { 42661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (errno == EAGAIN || errno == EBUSY || errno == EWOULDBLOCK) 42761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt { 42861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* 42961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * Must be a non-blocking socket... Try for a bit 43061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * longer before giving up. 43161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 43261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (started_at.sec == 0) 43361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_get_time(&started_at); 43461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt else { 43561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct os_time n; 43661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_get_time(&n); 43761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Try for a few seconds. */ 43861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (n.sec > started_at.sec + 5) 43961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt goto send_err; 44061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 44161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_sleep(1, 0); 44261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt goto retry_send; 44361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 44461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt send_err: 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(cmd_buf); 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(cmd_buf); 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (;;) { 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_sec = 10; 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_usec = 0; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_ZERO(&rfds); 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_SET(ctrl->s, &rfds); 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv); 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (FD_ISSET(ctrl->s, &rfds)) { 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = recv(ctrl->s, reply, *reply_len, 0); 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res > 0 && reply[0] == '<') { 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* This is an unsolicited message from 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_supplicant, not the reply to the 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * request. Use msg_cb to report this to the 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * caller. */ 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg_cb) { 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Make sure the message is nul 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * terminated. */ 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((size_t) res == *reply_len) 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = (*reply_len) - 1; 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reply[res] = '\0'; 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg_cb(reply, res); 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = res; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -2; 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CTRL_IFACE_SOCKET */ 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_ctrl_attach_helper(struct wpa_ctrl *ctrl, int attach) 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[10]; 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len = 10; 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wpa_ctrl_request(ctrl, attach ? "ATTACH" : "DETACH", 6, 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, &len, NULL); 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len == 3 && os_memcmp(buf, "OK\n", 3) == 0) 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_attach(struct wpa_ctrl *ctrl) 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wpa_ctrl_attach_helper(ctrl, 1); 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_detach(struct wpa_ctrl *ctrl) 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wpa_ctrl_attach_helper(ctrl, 0); 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CTRL_IFACE_SOCKET 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len) 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = recv(ctrl->s, reply, *reply_len, 0); 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = res; 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_pending(struct wpa_ctrl *ctrl) 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct timeval tv; 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fd_set rfds; 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_sec = 0; 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tv.tv_usec = 0; 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_ZERO(&rfds); 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt FD_SET(ctrl->s, &rfds); 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt select(ctrl->s + 1, &rfds, NULL, NULL, &tv); 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FD_ISSET(ctrl->s, &rfds); 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_get_fd(struct wpa_ctrl *ctrl) 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl->s; 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CTRL_IFACE_SOCKET */ 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef WPA_SUPPLICANT_NAMED_PIPE 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPA_SUPPLICANT_NAMED_PIPE "WpaSupplicant" 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define NAMED_PIPE_PREFIX TEXT("\\\\.\\pipe\\") TEXT(WPA_SUPPLICANT_NAMED_PIPE) 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ctrl *ctrl; 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD mode; 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TCHAR name[256]; 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i, ret; 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl = os_malloc(sizeof(*ctrl)); 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl == NULL) 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ctrl, 0, sizeof(*ctrl)); 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef UNICODE 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl_path == NULL) 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX); 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX TEXT("-%S"), 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl_path); 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* UNICODE */ 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl_path == NULL) 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX); 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX "-%s", 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl_path); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* UNICODE */ 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= 256) { 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 10; i++) { 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ctrl->pipe = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL, OPEN_EXISTING, 0, NULL); 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Current named pipe server side in wpa_supplicant is 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * re-opening the pipe for new clients only after the previous 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * one is taken into use. This leaves a small window for race 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * conditions when two connections are being opened at almost 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the same time. Retry if that was the case. 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->pipe != INVALID_HANDLE_VALUE || 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt GetLastError() != ERROR_PIPE_BUSY) 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WaitNamedPipe(name, 1000); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ctrl->pipe == INVALID_HANDLE_VALUE) { 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mode = PIPE_READMODE_MESSAGE; 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!SetNamedPipeHandleState(ctrl->pipe, &mode, NULL, NULL)) { 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CloseHandle(ctrl->pipe); 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ctrl; 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_ctrl_close(struct wpa_ctrl *ctrl) 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CloseHandle(ctrl->pipe); 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ctrl); 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len, 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *reply, size_t *reply_len, 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*msg_cb)(char *msg, size_t len)) 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD written; 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD readlen = *reply_len; 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!WriteFile(ctrl->pipe, cmd, cmd_len, &written, NULL)) 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ReadFile(ctrl->pipe, reply, *reply_len, &readlen, NULL)) 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = readlen; 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len) 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD len = *reply_len; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ReadFile(ctrl->pipe, reply, *reply_len, &len, NULL)) 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *reply_len = len; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_pending(struct wpa_ctrl *ctrl) 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DWORD left; 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!PeekNamedPipe(ctrl->pipe, NULL, 0, NULL, &left, NULL)) 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return left ? 1 : 0; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_ctrl_get_fd(struct wpa_ctrl *ctrl) 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */ 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 672