5ab4684305
an unknown switch is passed outputting the command usage. This is because the NDIS driver is uninitialized when usage help is printed. To resolve this we initialize the driver prior to the possibility of printing the usage help message. Obtained from: The wpa_supplicant port MFC after: 1 week
415 lines
10 KiB
C
415 lines
10 KiB
C
/*
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* WPA Supplicant / main() function for UNIX like OSes and MinGW
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* Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#ifdef __linux__
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#include <fcntl.h>
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#endif /* __linux__ */
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#include "common.h"
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#include "fst/fst.h"
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#include "wpa_supplicant_i.h"
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#include "driver_i.h"
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#include "p2p_supplicant.h"
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static void usage(void)
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{
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int i;
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printf("%s\n\n%s\n"
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"usage:\n"
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" wpa_supplicant [-BddhKLqq"
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#ifdef CONFIG_DEBUG_SYSLOG
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"s"
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#endif /* CONFIG_DEBUG_SYSLOG */
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"t"
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#ifdef CONFIG_CTRL_IFACE_DBUS_NEW
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"u"
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#endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
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"vW] [-P<pid file>] "
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"[-g<global ctrl>] \\\n"
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" [-G<group>] \\\n"
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" -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
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"[-p<driver_param>] \\\n"
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" [-b<br_ifname>] [-e<entropy file>]"
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#ifdef CONFIG_DEBUG_FILE
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" [-f<debug file>]"
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#endif /* CONFIG_DEBUG_FILE */
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" \\\n"
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" [-o<override driver>] [-O<override ctrl>] \\\n"
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" [-N -i<ifname> -c<conf> [-C<ctrl>] "
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"[-D<driver>] \\\n"
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#ifdef CONFIG_P2P
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" [-m<P2P Device config file>] \\\n"
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#endif /* CONFIG_P2P */
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" [-p<driver_param>] [-b<br_ifname>] [-I<config file>] "
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"...]\n"
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"\n"
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"drivers:\n",
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wpa_supplicant_version, wpa_supplicant_license);
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for (i = 0; wpa_drivers[i]; i++) {
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printf(" %s = %s\n",
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wpa_drivers[i]->name,
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wpa_drivers[i]->desc);
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}
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#ifndef CONFIG_NO_STDOUT_DEBUG
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printf("options:\n"
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" -b = optional bridge interface name\n"
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" -B = run daemon in the background\n"
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" -c = Configuration file\n"
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" -C = ctrl_interface parameter (only used if -c is not)\n"
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" -d = increase debugging verbosity (-dd even more)\n"
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" -D = driver name (can be multiple drivers: nl80211,wext)\n"
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" -e = entropy file\n"
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#ifdef CONFIG_DEBUG_FILE
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" -f = log output to debug file instead of stdout\n"
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#endif /* CONFIG_DEBUG_FILE */
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" -g = global ctrl_interface\n"
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" -G = global ctrl_interface group\n"
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" -h = show this help text\n"
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" -i = interface name\n"
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" -I = additional configuration file\n"
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" -K = include keys (passwords, etc.) in debug output\n"
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" -L = show license (BSD)\n"
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#ifdef CONFIG_P2P
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" -m = Configuration file for the P2P Device interface\n"
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#endif /* CONFIG_P2P */
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#ifdef CONFIG_MATCH_IFACE
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" -M = start describing new matching interface\n"
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#endif /* CONFIG_MATCH_IFACE */
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" -N = start describing new interface\n"
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" -o = override driver parameter for new interfaces\n"
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" -O = override ctrl_interface parameter for new interfaces\n"
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" -p = driver parameters\n"
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" -P = PID file\n"
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" -q = decrease debugging verbosity (-qq even less)\n"
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#ifdef CONFIG_DEBUG_SYSLOG
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" -s = log output to syslog instead of stdout\n"
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#endif /* CONFIG_DEBUG_SYSLOG */
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" -t = include timestamp in debug messages\n"
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#ifdef CONFIG_DEBUG_LINUX_TRACING
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" -T = record to Linux tracing in addition to logging\n"
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" (records all messages regardless of debug verbosity)\n"
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#endif /* CONFIG_DEBUG_LINUX_TRACING */
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#ifdef CONFIG_CTRL_IFACE_DBUS_NEW
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" -u = enable DBus control interface\n"
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#endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
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" -v = show version\n"
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" -W = wait for a control interface monitor before starting\n");
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printf("example:\n"
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" wpa_supplicant -D%s -iwlan0 -c/etc/wpa_supplicant.conf\n",
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wpa_drivers[0] ? wpa_drivers[0]->name : "nl80211");
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#endif /* CONFIG_NO_STDOUT_DEBUG */
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}
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static void license(void)
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{
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#ifndef CONFIG_NO_STDOUT_DEBUG
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printf("%s\n\n%s%s%s%s%s\n",
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wpa_supplicant_version,
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wpa_supplicant_full_license1,
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wpa_supplicant_full_license2,
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wpa_supplicant_full_license3,
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wpa_supplicant_full_license4,
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wpa_supplicant_full_license5);
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#endif /* CONFIG_NO_STDOUT_DEBUG */
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}
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static void wpa_supplicant_fd_workaround(int start)
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{
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#ifdef __linux__
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static int fd[3] = { -1, -1, -1 };
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int i;
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/* When started from pcmcia-cs scripts, wpa_supplicant might start with
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* fd 0, 1, and 2 closed. This will cause some issues because many
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* places in wpa_supplicant are still printing out to stdout. As a
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* workaround, make sure that fd's 0, 1, and 2 are not used for other
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* sockets. */
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if (start) {
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for (i = 0; i < 3; i++) {
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fd[i] = open("/dev/null", O_RDWR);
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if (fd[i] > 2) {
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close(fd[i]);
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fd[i] = -1;
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break;
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}
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}
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} else {
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for (i = 0; i < 3; i++) {
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if (fd[i] >= 0) {
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close(fd[i]);
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fd[i] = -1;
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}
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}
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}
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#endif /* __linux__ */
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}
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#ifdef CONFIG_MATCH_IFACE
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static int wpa_supplicant_init_match(struct wpa_global *global)
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{
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/*
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* The assumption is that the first driver is the primary driver and
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* will handle the arrival / departure of interfaces.
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*/
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if (wpa_drivers[0]->global_init && !global->drv_priv[0]) {
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global->drv_priv[0] = wpa_drivers[0]->global_init(global);
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if (!global->drv_priv[0]) {
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wpa_printf(MSG_ERROR,
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"Failed to initialize driver '%s'",
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wpa_drivers[0]->name);
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return -1;
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}
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}
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return 0;
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}
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#endif /* CONFIG_MATCH_IFACE */
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int main(int argc, char *argv[])
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{
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int c, i;
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struct wpa_interface *ifaces, *iface;
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int iface_count, exitcode = -1;
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struct wpa_params params;
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struct wpa_global *global;
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if (os_program_init())
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return -1;
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os_memset(¶ms, 0, sizeof(params));
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params.wpa_debug_level = MSG_INFO;
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iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
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if (ifaces == NULL)
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return -1;
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iface_count = 1;
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wpa_supplicant_fd_workaround(1);
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#ifdef CONFIG_DRIVER_NDIS
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void driver_ndis_init_ops(void);
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driver_ndis_init_ops();
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#endif /* CONFIG_DRIVER_NDIS */
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for (;;) {
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c = getopt(argc, argv,
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"b:Bc:C:D:de:f:g:G:hi:I:KLMm:No:O:p:P:qsTtuvW");
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if (c < 0)
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break;
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switch (c) {
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case 'b':
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iface->bridge_ifname = optarg;
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break;
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case 'B':
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params.daemonize++;
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break;
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case 'c':
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iface->confname = optarg;
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break;
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case 'C':
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iface->ctrl_interface = optarg;
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break;
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case 'D':
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iface->driver = optarg;
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break;
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case 'd':
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#ifdef CONFIG_NO_STDOUT_DEBUG
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printf("Debugging disabled with "
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"CONFIG_NO_STDOUT_DEBUG=y build time "
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"option.\n");
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goto out;
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#else /* CONFIG_NO_STDOUT_DEBUG */
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params.wpa_debug_level--;
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break;
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#endif /* CONFIG_NO_STDOUT_DEBUG */
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case 'e':
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params.entropy_file = optarg;
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break;
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#ifdef CONFIG_DEBUG_FILE
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case 'f':
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params.wpa_debug_file_path = optarg;
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break;
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#endif /* CONFIG_DEBUG_FILE */
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case 'g':
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params.ctrl_interface = optarg;
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break;
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case 'G':
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params.ctrl_interface_group = optarg;
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break;
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case 'h':
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usage();
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exitcode = 0;
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goto out;
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case 'i':
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iface->ifname = optarg;
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break;
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case 'I':
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iface->confanother = optarg;
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break;
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case 'K':
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params.wpa_debug_show_keys++;
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break;
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case 'L':
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license();
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exitcode = 0;
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goto out;
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#ifdef CONFIG_P2P
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case 'm':
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params.conf_p2p_dev = optarg;
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break;
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#endif /* CONFIG_P2P */
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case 'o':
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params.override_driver = optarg;
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break;
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case 'O':
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params.override_ctrl_interface = optarg;
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break;
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case 'p':
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iface->driver_param = optarg;
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break;
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case 'P':
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os_free(params.pid_file);
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params.pid_file = os_rel2abs_path(optarg);
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break;
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case 'q':
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params.wpa_debug_level++;
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break;
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#ifdef CONFIG_DEBUG_SYSLOG
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case 's':
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params.wpa_debug_syslog++;
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break;
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#endif /* CONFIG_DEBUG_SYSLOG */
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#ifdef CONFIG_DEBUG_LINUX_TRACING
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case 'T':
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params.wpa_debug_tracing++;
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break;
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#endif /* CONFIG_DEBUG_LINUX_TRACING */
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case 't':
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params.wpa_debug_timestamp++;
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break;
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#ifdef CONFIG_CTRL_IFACE_DBUS_NEW
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case 'u':
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params.dbus_ctrl_interface = 1;
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break;
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#endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
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case 'v':
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printf("%s\n", wpa_supplicant_version);
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exitcode = 0;
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goto out;
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case 'W':
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params.wait_for_monitor++;
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break;
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#ifdef CONFIG_MATCH_IFACE
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case 'M':
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params.match_iface_count++;
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iface = os_realloc_array(params.match_ifaces,
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params.match_iface_count,
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sizeof(struct wpa_interface));
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if (!iface)
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goto out;
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params.match_ifaces = iface;
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iface = ¶ms.match_ifaces[params.match_iface_count -
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1];
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os_memset(iface, 0, sizeof(*iface));
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break;
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#endif /* CONFIG_MATCH_IFACE */
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case 'N':
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iface_count++;
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iface = os_realloc_array(ifaces, iface_count,
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sizeof(struct wpa_interface));
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if (iface == NULL)
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goto out;
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ifaces = iface;
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iface = &ifaces[iface_count - 1];
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os_memset(iface, 0, sizeof(*iface));
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break;
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default:
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usage();
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exitcode = 0;
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goto out;
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}
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}
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exitcode = 0;
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global = wpa_supplicant_init(¶ms);
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if (global == NULL) {
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wpa_printf(MSG_ERROR, "Failed to initialize wpa_supplicant");
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exitcode = -1;
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goto out;
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} else {
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wpa_printf(MSG_INFO, "Successfully initialized "
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"wpa_supplicant");
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}
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if (fst_global_init()) {
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wpa_printf(MSG_ERROR, "Failed to initialize FST");
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exitcode = -1;
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goto out;
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}
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#if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
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if (!fst_global_add_ctrl(fst_ctrl_cli))
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wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
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#endif
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for (i = 0; exitcode == 0 && i < iface_count; i++) {
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struct wpa_supplicant *wpa_s;
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if ((ifaces[i].confname == NULL &&
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ifaces[i].ctrl_interface == NULL) ||
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ifaces[i].ifname == NULL) {
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if (iface_count == 1 && (params.ctrl_interface ||
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#ifdef CONFIG_MATCH_IFACE
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params.match_iface_count ||
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#endif /* CONFIG_MATCH_IFACE */
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params.dbus_ctrl_interface))
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break;
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usage();
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exitcode = -1;
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break;
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}
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wpa_s = wpa_supplicant_add_iface(global, &ifaces[i], NULL);
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if (wpa_s == NULL) {
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exitcode = -1;
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break;
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}
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}
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#ifdef CONFIG_MATCH_IFACE
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if (exitcode == 0)
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exitcode = wpa_supplicant_init_match(global);
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#endif /* CONFIG_MATCH_IFACE */
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if (exitcode == 0)
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exitcode = wpa_supplicant_run(global);
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wpa_supplicant_deinit(global);
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fst_global_deinit();
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out:
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wpa_supplicant_fd_workaround(0);
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os_free(ifaces);
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#ifdef CONFIG_MATCH_IFACE
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os_free(params.match_ifaces);
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#endif /* CONFIG_MATCH_IFACE */
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os_free(params.pid_file);
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os_program_deinit();
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return exitcode;
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}
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