static int wpa_debug_syslog = 0;
#endif /* CONFIG_DEBUG_SYSLOG */
+#ifdef CONFIG_DEBUG_LINUX_TRACING
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+
+static FILE *wpa_debug_tracing_file = NULL;
+
+#define WPAS_TRACE_PFX "wpas <%d>: "
+#endif /* CONFIG_DEBUG_LINUX_TRACING */
+
int wpa_debug_level = MSG_INFO;
int wpa_debug_show_keys = 0;
#define ANDROID_LOG_NAME "wpa_supplicant"
#endif /* ANDROID_LOG_NAME */
-void android_printf(int level, char *format, ...)
+static int wpa_to_android_level(int level)
{
- 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, ANDROID_LOG_NAME, format, ap);
- va_end(ap);
- }
+ if (level == MSG_ERROR)
+ return ANDROID_LOG_ERROR;
+ if (level == MSG_WARNING)
+ return ANDROID_LOG_WARN;
+ if (level == MSG_INFO)
+ return ANDROID_LOG_INFO;
+ return ANDROID_LOG_DEBUG;
}
-#else /* CONFIG_ANDROID_LOG */
+#endif /* CONFIG_ANDROID_LOG */
#ifndef CONFIG_NO_STDOUT_DEBUG
void wpa_debug_print_timestamp(void)
{
+#ifndef CONFIG_ANDROID_LOG
struct os_time tv;
if (!wpa_debug_timestamp)
} else
#endif /* CONFIG_DEBUG_FILE */
printf("%ld.%06u: ", (long) tv.sec, (unsigned int) tv.usec);
+#endif /* CONFIG_ANDROID_LOG */
}
#endif /* CONFIG_DEBUG_SYSLOG */
+#ifdef CONFIG_DEBUG_LINUX_TRACING
+
+int wpa_debug_open_linux_tracing(void)
+{
+ int mounts, trace_fd;
+ char buf[4096] = {};
+ ssize_t buflen;
+ char *line, *tmp1, *path = NULL;
+
+ mounts = open("/proc/mounts", O_RDONLY);
+ if (mounts < 0) {
+ printf("no /proc/mounts\n");
+ return -1;
+ }
+
+ buflen = read(mounts, buf, sizeof(buf) - 1);
+ close(mounts);
+ if (buflen < 0) {
+ printf("failed to read /proc/mounts\n");
+ return -1;
+ }
+
+ line = strtok_r(buf, "\n", &tmp1);
+ while (line) {
+ char *tmp2, *tmp_path, *fstype;
+ /* "<dev> <mountpoint> <fs type> ..." */
+ strtok_r(line, " ", &tmp2);
+ tmp_path = strtok_r(NULL, " ", &tmp2);
+ fstype = strtok_r(NULL, " ", &tmp2);
+ if (strcmp(fstype, "debugfs") == 0) {
+ path = tmp_path;
+ break;
+ }
+
+ line = strtok_r(NULL, "\n", &tmp1);
+ }
+
+ if (path == NULL) {
+ printf("debugfs mountpoint not found\n");
+ return -1;
+ }
+
+ snprintf(buf, sizeof(buf) - 1, "%s/tracing/trace_marker", path);
+
+ trace_fd = open(buf, O_WRONLY);
+ if (trace_fd < 0) {
+ printf("failed to open trace_marker file\n");
+ return -1;
+ }
+ wpa_debug_tracing_file = fdopen(trace_fd, "w");
+ if (wpa_debug_tracing_file == NULL) {
+ close(trace_fd);
+ printf("failed to fdopen()\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+void wpa_debug_close_linux_tracing(void)
+{
+ if (wpa_debug_tracing_file == NULL)
+ return;
+ fclose(wpa_debug_tracing_file);
+ wpa_debug_tracing_file = NULL;
+}
+
+#endif /* CONFIG_DEBUG_LINUX_TRACING */
+
+
/**
* wpa_printf - conditional printf
* @level: priority level (MSG_*) of the message
va_start(ap, fmt);
if (level >= wpa_debug_level) {
+#ifdef CONFIG_ANDROID_LOG
+ __android_log_vprint(wpa_to_android_level(level),
+ ANDROID_LOG_NAME, fmt, ap);
+#else /* CONFIG_ANDROID_LOG */
#ifdef CONFIG_DEBUG_SYSLOG
if (wpa_debug_syslog) {
vsyslog(syslog_priority(level), fmt, ap);
#ifdef CONFIG_DEBUG_SYSLOG
}
#endif /* CONFIG_DEBUG_SYSLOG */
+#endif /* CONFIG_ANDROID_LOG */
}
va_end(ap);
+
+#ifdef CONFIG_DEBUG_LINUX_TRACING
+ if (wpa_debug_tracing_file != NULL) {
+ va_start(ap, fmt);
+ fprintf(wpa_debug_tracing_file, WPAS_TRACE_PFX, level);
+ vfprintf(wpa_debug_tracing_file, fmt, ap);
+ fprintf(wpa_debug_tracing_file, "\n");
+ fflush(wpa_debug_tracing_file);
+ va_end(ap);
+ }
+#endif /* CONFIG_DEBUG_LINUX_TRACING */
}
size_t len, int show)
{
size_t i;
+
+#ifdef CONFIG_DEBUG_LINUX_TRACING
+ if (wpa_debug_tracing_file != NULL) {
+ fprintf(wpa_debug_tracing_file,
+ WPAS_TRACE_PFX "%s - hexdump(len=%lu):",
+ level, title, (unsigned long) len);
+ if (buf == NULL) {
+ fprintf(wpa_debug_tracing_file, " [NULL]\n");
+ } else if (!show) {
+ fprintf(wpa_debug_tracing_file, " [REMOVED]\n");
+ } else {
+ for (i = 0; i < len; i++)
+ fprintf(wpa_debug_tracing_file,
+ " %02x", buf[i]);
+ }
+ fflush(wpa_debug_tracing_file);
+ }
+#endif /* CONFIG_DEBUG_LINUX_TRACING */
+
if (level < wpa_debug_level)
return;
+#ifdef CONFIG_ANDROID_LOG
+ {
+ const char *display;
+ char *strbuf = NULL;
+ size_t slen = len;
+ if (buf == NULL) {
+ display = " [NULL]";
+ } else if (len == 0) {
+ display = "";
+ } else if (show && len) {
+ /* Limit debug message length for Android log */
+ if (slen > 32)
+ slen = 32;
+ strbuf = os_malloc(1 + 3 * slen);
+ if (strbuf == NULL) {
+ wpa_printf(MSG_ERROR, "wpa_hexdump: Failed to "
+ "allocate message buffer");
+ return;
+ }
+
+ for (i = 0; i < slen; i++)
+ os_snprintf(&strbuf[i * 3], 4, " %02x",
+ buf[i]);
+
+ display = strbuf;
+ } else {
+ display = " [REMOVED]";
+ }
+
+ __android_log_print(wpa_to_android_level(level),
+ ANDROID_LOG_NAME,
+ "%s - hexdump(len=%lu):%s%s",
+ title, (long unsigned int) len, display,
+ len > slen ? " ..." : "");
+ os_free(strbuf);
+ return;
+ }
+#else /* CONFIG_ANDROID_LOG */
#ifdef CONFIG_DEBUG_SYSLOG
if (wpa_debug_syslog) {
const char *display;
}
syslog(syslog_priority(level), "%s - hexdump(len=%lu):%s",
- title, len, display);
+ title, (unsigned long) len, display);
os_free(strbuf);
return;
}
#ifdef CONFIG_DEBUG_FILE
}
#endif /* CONFIG_DEBUG_FILE */
+#endif /* CONFIG_ANDROID_LOG */
}
void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len)
const u8 *pos = buf;
const size_t line_len = 16;
+#ifdef CONFIG_DEBUG_LINUX_TRACING
+ if (wpa_debug_tracing_file != NULL) {
+ fprintf(wpa_debug_tracing_file,
+ WPAS_TRACE_PFX "%s - hexdump_ascii(len=%lu):",
+ level, title, (unsigned long) len);
+ if (buf == NULL) {
+ fprintf(wpa_debug_tracing_file, " [NULL]\n");
+ } else if (!show) {
+ fprintf(wpa_debug_tracing_file, " [REMOVED]\n");
+ } else {
+ /* can do ascii processing in userspace */
+ for (i = 0; i < len; i++)
+ fprintf(wpa_debug_tracing_file,
+ " %02x", buf[i]);
+ }
+ fflush(wpa_debug_tracing_file);
+ }
+#endif /* CONFIG_DEBUG_LINUX_TRACING */
+
if (level < wpa_debug_level)
return;
+#ifdef CONFIG_ANDROID_LOG
+ _wpa_hexdump(level, title, buf, len, show);
+#else /* CONFIG_ANDROID_LOG */
wpa_debug_print_timestamp();
#ifdef CONFIG_DEBUG_FILE
if (out_file) {
#ifdef CONFIG_DEBUG_FILE
}
#endif /* CONFIG_DEBUG_FILE */
+#endif /* CONFIG_ANDROID_LOG */
}
#endif /* CONFIG_NO_STDOUT_DEBUG */
-#endif /* CONFIG_ANDROID_LOG */
#ifndef CONFIG_NO_WPA_MSG
static wpa_msg_cb_func wpa_msg_cb = NULL;
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