wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/utils/wpa_debug.c b/src/utils/wpa_debug.c
new file mode 100644
index 0000000..b8c5e2f
--- /dev/null
+++ b/src/utils/wpa_debug.c
@@ -0,0 +1,484 @@
+/*
+ * wpa_supplicant/hostapd / Debug prints
+ * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+
+#ifdef CONFIG_DEBUG_SYSLOG
+#include <syslog.h>
+
+static int wpa_debug_syslog = 0;
+#endif /* CONFIG_DEBUG_SYSLOG */
+
+
+int wpa_debug_level = MSG_INFO;
+int wpa_debug_show_keys = 0;
+int wpa_debug_timestamp = 0;
+
+
+#ifdef CONFIG_ANDROID_LOG
+
+#include <android/log.h>
+
+void android_printf(int level, char *format, ...)
+{
+ if (level >= wpa_debug_level) {
+ va_list ap;
+ if (level == MSG_ERROR)
+ level = ANDROID_LOG_ERROR;
+ else if (level == MSG_WARNING)
+ level = ANDROID_LOG_WARN;
+ else if (level == MSG_INFO)
+ level = ANDROID_LOG_INFO;
+ else
+ level = ANDROID_LOG_DEBUG;
+ va_start(ap, format);
+ __android_log_vprint(level, "wpa_supplicant", format, ap);
+ va_end(ap);
+ }
+}
+
+#else /* CONFIG_ANDROID_LOG */
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+
+#ifdef CONFIG_DEBUG_FILE
+static FILE *out_file = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+
+
+void wpa_debug_print_timestamp(void)
+{
+ struct os_time tv;
+
+ if (!wpa_debug_timestamp)
+ return;
+
+ os_get_time(&tv);
+#ifdef CONFIG_DEBUG_FILE
+ if (out_file) {
+ fprintf(out_file, "%ld.%06u: ", (long) tv.sec,
+ (unsigned int) tv.usec);
+ } else
+#endif /* CONFIG_DEBUG_FILE */
+ printf("%ld.%06u: ", (long) tv.sec, (unsigned int) tv.usec);
+}
+
+
+#ifdef CONFIG_DEBUG_SYSLOG
+#ifndef LOG_HOSTAPD
+#define LOG_HOSTAPD LOG_DAEMON
+#endif /* LOG_HOSTAPD */
+
+void wpa_debug_open_syslog(void)
+{
+ openlog("wpa_supplicant", LOG_PID | LOG_NDELAY, LOG_HOSTAPD);
+ wpa_debug_syslog++;
+}
+
+
+void wpa_debug_close_syslog(void)
+{
+ if (wpa_debug_syslog)
+ closelog();
+}
+
+
+static int syslog_priority(int level)
+{
+ switch (level) {
+ case MSG_MSGDUMP:
+ case MSG_DEBUG:
+ return LOG_DEBUG;
+ case MSG_INFO:
+ return LOG_NOTICE;
+ case MSG_WARNING:
+ return LOG_WARNING;
+ case MSG_ERROR:
+ return LOG_ERR;
+ }
+ return LOG_INFO;
+}
+#endif /* CONFIG_DEBUG_SYSLOG */
+
+
+/**
+ * wpa_printf - conditional printf
+ * @level: priority level (MSG_*) of the message
+ * @fmt: printf format string, followed by optional arguments
+ *
+ * This function is used to print conditional debugging and error messages. The
+ * output may be directed to stdout, stderr, and/or syslog based on
+ * configuration.
+ *
+ * Note: New line '\n' is added to the end of the text when printing to stdout.
+ */
+void wpa_printf(int level, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ if (level >= wpa_debug_level) {
+#ifdef CONFIG_DEBUG_SYSLOG
+ if (wpa_debug_syslog) {
+ vsyslog(syslog_priority(level), fmt, ap);
+ } else {
+#endif /* CONFIG_DEBUG_SYSLOG */
+ wpa_debug_print_timestamp();
+#ifdef CONFIG_DEBUG_FILE
+ if (out_file) {
+ vfprintf(out_file, fmt, ap);
+ fprintf(out_file, "\n");
+ } else {
+#endif /* CONFIG_DEBUG_FILE */
+ vprintf(fmt, ap);
+ printf("\n");
+#ifdef CONFIG_DEBUG_FILE
+ }
+#endif /* CONFIG_DEBUG_FILE */
+#ifdef CONFIG_DEBUG_SYSLOG
+ }
+#endif /* CONFIG_DEBUG_SYSLOG */
+ }
+ va_end(ap);
+}
+
+
+static void _wpa_hexdump(int level, const char *title, const u8 *buf,
+ size_t len, int show)
+{
+ size_t i;
+ if (level < wpa_debug_level)
+ return;
+ wpa_debug_print_timestamp();
+#ifdef CONFIG_DEBUG_FILE
+ if (out_file) {
+ fprintf(out_file, "%s - hexdump(len=%lu):",
+ title, (unsigned long) len);
+ if (buf == NULL) {
+ fprintf(out_file, " [NULL]");
+ } else if (show) {
+ for (i = 0; i < len; i++)
+ fprintf(out_file, " %02x", buf[i]);
+ } else {
+ fprintf(out_file, " [REMOVED]");
+ }
+ fprintf(out_file, "\n");
+ } else {
+#endif /* CONFIG_DEBUG_FILE */
+ printf("%s - hexdump(len=%lu):", title, (unsigned long) len);
+ if (buf == NULL) {
+ printf(" [NULL]");
+ } else if (show) {
+ for (i = 0; i < len; i++)
+ printf(" %02x", buf[i]);
+ } else {
+ printf(" [REMOVED]");
+ }
+ printf("\n");
+#ifdef CONFIG_DEBUG_FILE
+ }
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len)
+{
+ _wpa_hexdump(level, title, buf, len, 1);
+}
+
+
+void wpa_hexdump_key(int level, const char *title, const u8 *buf, size_t len)
+{
+ _wpa_hexdump(level, title, buf, len, wpa_debug_show_keys);
+}
+
+
+static void _wpa_hexdump_ascii(int level, const char *title, const u8 *buf,
+ size_t len, int show)
+{
+ size_t i, llen;
+ const u8 *pos = buf;
+ const size_t line_len = 16;
+
+ if (level < wpa_debug_level)
+ return;
+ wpa_debug_print_timestamp();
+#ifdef CONFIG_DEBUG_FILE
+ if (out_file) {
+ if (!show) {
+ fprintf(out_file,
+ "%s - hexdump_ascii(len=%lu): [REMOVED]\n",
+ title, (unsigned long) len);
+ return;
+ }
+ if (buf == NULL) {
+ fprintf(out_file,
+ "%s - hexdump_ascii(len=%lu): [NULL]\n",
+ title, (unsigned long) len);
+ return;
+ }
+ fprintf(out_file, "%s - hexdump_ascii(len=%lu):\n",
+ title, (unsigned long) len);
+ while (len) {
+ llen = len > line_len ? line_len : len;
+ fprintf(out_file, " ");
+ for (i = 0; i < llen; i++)
+ fprintf(out_file, " %02x", pos[i]);
+ for (i = llen; i < line_len; i++)
+ fprintf(out_file, " ");
+ fprintf(out_file, " ");
+ for (i = 0; i < llen; i++) {
+ if (isprint(pos[i]))
+ fprintf(out_file, "%c", pos[i]);
+ else
+ fprintf(out_file, "_");
+ }
+ for (i = llen; i < line_len; i++)
+ fprintf(out_file, " ");
+ fprintf(out_file, "\n");
+ pos += llen;
+ len -= llen;
+ }
+ } else {
+#endif /* CONFIG_DEBUG_FILE */
+ if (!show) {
+ printf("%s - hexdump_ascii(len=%lu): [REMOVED]\n",
+ title, (unsigned long) len);
+ return;
+ }
+ if (buf == NULL) {
+ printf("%s - hexdump_ascii(len=%lu): [NULL]\n",
+ title, (unsigned long) len);
+ return;
+ }
+ printf("%s - hexdump_ascii(len=%lu):\n", title, (unsigned long) len);
+ while (len) {
+ llen = len > line_len ? line_len : len;
+ printf(" ");
+ for (i = 0; i < llen; i++)
+ printf(" %02x", pos[i]);
+ for (i = llen; i < line_len; i++)
+ printf(" ");
+ printf(" ");
+ for (i = 0; i < llen; i++) {
+ if (isprint(pos[i]))
+ printf("%c", pos[i]);
+ else
+ printf("_");
+ }
+ for (i = llen; i < line_len; i++)
+ printf(" ");
+ printf("\n");
+ pos += llen;
+ len -= llen;
+ }
+#ifdef CONFIG_DEBUG_FILE
+ }
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+
+void wpa_hexdump_ascii(int level, const char *title, const u8 *buf, size_t len)
+{
+ _wpa_hexdump_ascii(level, title, buf, len, 1);
+}
+
+
+void wpa_hexdump_ascii_key(int level, const char *title, const u8 *buf,
+ size_t len)
+{
+ _wpa_hexdump_ascii(level, title, buf, len, wpa_debug_show_keys);
+}
+
+
+#ifdef CONFIG_DEBUG_FILE
+static char *last_path = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+
+int wpa_debug_reopen_file(void)
+{
+#ifdef CONFIG_DEBUG_FILE
+ int rv;
+ if (last_path) {
+ char *tmp = os_strdup(last_path);
+ wpa_debug_close_file();
+ rv = wpa_debug_open_file(tmp);
+ os_free(tmp);
+ } else {
+ wpa_printf(MSG_ERROR, "Last-path was not set, cannot "
+ "re-open log file.");
+ rv = -1;
+ }
+ return rv;
+#else /* CONFIG_DEBUG_FILE */
+ return 0;
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+
+int wpa_debug_open_file(const char *path)
+{
+#ifdef CONFIG_DEBUG_FILE
+ if (!path)
+ return 0;
+
+ if (last_path == NULL || os_strcmp(last_path, path) != 0) {
+ /* Save our path to enable re-open */
+ os_free(last_path);
+ last_path = os_strdup(path);
+ }
+
+ out_file = fopen(path, "a");
+ if (out_file == NULL) {
+ wpa_printf(MSG_ERROR, "wpa_debug_open_file: Failed to open "
+ "output file, using standard output");
+ return -1;
+ }
+#ifndef _WIN32
+ setvbuf(out_file, NULL, _IOLBF, 0);
+#endif /* _WIN32 */
+#endif /* CONFIG_DEBUG_FILE */
+ return 0;
+}
+
+
+void wpa_debug_close_file(void)
+{
+#ifdef CONFIG_DEBUG_FILE
+ if (!out_file)
+ return;
+ fclose(out_file);
+ out_file = NULL;
+ os_free(last_path);
+ last_path = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+#endif /* CONFIG_ANDROID_LOG */
+
+#ifndef CONFIG_NO_WPA_MSG
+static wpa_msg_cb_func wpa_msg_cb = NULL;
+
+void wpa_msg_register_cb(wpa_msg_cb_func func)
+{
+ wpa_msg_cb = func;
+}
+
+
+static wpa_msg_get_ifname_func wpa_msg_ifname_cb = NULL;
+
+void wpa_msg_register_ifname_cb(wpa_msg_get_ifname_func func)
+{
+ wpa_msg_ifname_cb = func;
+}
+
+
+void wpa_msg(void *ctx, int level, const char *fmt, ...)
+{
+ va_list ap;
+ char *buf;
+ const int buflen = 2048;
+ int len;
+ char prefix[130];
+
+ buf = os_malloc(buflen);
+ if (buf == NULL) {
+ wpa_printf(MSG_ERROR, "wpa_msg: Failed to allocate message "
+ "buffer");
+ return;
+ }
+ va_start(ap, fmt);
+ prefix[0] = '\0';
+ if (wpa_msg_ifname_cb) {
+ const char *ifname = wpa_msg_ifname_cb(ctx);
+ if (ifname) {
+ int res = os_snprintf(prefix, sizeof(prefix), "%s: ",
+ ifname);
+ if (res < 0 || res >= (int) sizeof(prefix))
+ prefix[0] = '\0';
+ }
+ }
+ len = vsnprintf(buf, buflen, fmt, ap);
+ va_end(ap);
+ wpa_printf(level, "%s%s", prefix, buf);
+ if (wpa_msg_cb)
+ wpa_msg_cb(ctx, level, buf, len);
+ os_free(buf);
+}
+
+
+void wpa_msg_ctrl(void *ctx, int level, const char *fmt, ...)
+{
+ va_list ap;
+ char *buf;
+ const int buflen = 2048;
+ int len;
+
+ if (!wpa_msg_cb)
+ return;
+
+ buf = os_malloc(buflen);
+ if (buf == NULL) {
+ wpa_printf(MSG_ERROR, "wpa_msg_ctrl: Failed to allocate "
+ "message buffer");
+ return;
+ }
+ va_start(ap, fmt);
+ len = vsnprintf(buf, buflen, fmt, ap);
+ va_end(ap);
+ wpa_msg_cb(ctx, level, buf, len);
+ os_free(buf);
+}
+#endif /* CONFIG_NO_WPA_MSG */
+
+
+#ifndef CONFIG_NO_HOSTAPD_LOGGER
+static hostapd_logger_cb_func hostapd_logger_cb = NULL;
+
+void hostapd_logger_register_cb(hostapd_logger_cb_func func)
+{
+ hostapd_logger_cb = func;
+}
+
+
+void hostapd_logger(void *ctx, const u8 *addr, unsigned int module, int level,
+ const char *fmt, ...)
+{
+ va_list ap;
+ char *buf;
+ const int buflen = 2048;
+ int len;
+
+ buf = os_malloc(buflen);
+ if (buf == NULL) {
+ wpa_printf(MSG_ERROR, "hostapd_logger: Failed to allocate "
+ "message buffer");
+ return;
+ }
+ va_start(ap, fmt);
+ len = vsnprintf(buf, buflen, fmt, ap);
+ va_end(ap);
+ if (hostapd_logger_cb)
+ hostapd_logger_cb(ctx, addr, module, level, buf, len);
+ else if (addr)
+ wpa_printf(MSG_DEBUG, "hostapd_logger: STA " MACSTR " - %s",
+ MAC2STR(addr), buf);
+ else
+ wpa_printf(MSG_DEBUG, "hostapd_logger: %s", buf);
+ os_free(buf);
+}
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */