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Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * wpa_supplicant/hostapd / Debug prints
Dmitry Shmidtb6e9aaf2013-05-20 14:49:44 -07003 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
8
9#include "includes.h"
10
11#include "common.h"
12
13#ifdef CONFIG_DEBUG_SYSLOG
14#include <syslog.h>
15
16static int wpa_debug_syslog = 0;
17#endif /* CONFIG_DEBUG_SYSLOG */
18
Dmitry Shmidt04949592012-07-19 12:16:46 -070019#ifdef CONFIG_DEBUG_LINUX_TRACING
20#include <sys/types.h>
21#include <sys/stat.h>
22#include <fcntl.h>
23#include <string.h>
24#include <stdio.h>
25
26static FILE *wpa_debug_tracing_file = NULL;
27
28#define WPAS_TRACE_PFX "wpas <%d>: "
29#endif /* CONFIG_DEBUG_LINUX_TRACING */
30
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070031
32int wpa_debug_level = MSG_INFO;
33int wpa_debug_show_keys = 0;
34int wpa_debug_timestamp = 0;
35
36
37#ifdef CONFIG_ANDROID_LOG
38
39#include <android/log.h>
40
Dmitry Shmidt648b7492011-09-30 15:03:42 -070041#ifndef ANDROID_LOG_NAME
42#define ANDROID_LOG_NAME "wpa_supplicant"
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080043#endif /* ANDROID_LOG_NAME */
Dmitry Shmidt648b7492011-09-30 15:03:42 -070044
Dmitry Shmidt04949592012-07-19 12:16:46 -070045static int wpa_to_android_level(int level)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070046{
Dmitry Shmidt04949592012-07-19 12:16:46 -070047 if (level == MSG_ERROR)
48 return ANDROID_LOG_ERROR;
49 if (level == MSG_WARNING)
50 return ANDROID_LOG_WARN;
51 if (level == MSG_INFO)
52 return ANDROID_LOG_INFO;
53 return ANDROID_LOG_DEBUG;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070054}
55
Dmitry Shmidt04949592012-07-19 12:16:46 -070056#endif /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070057
58#ifndef CONFIG_NO_STDOUT_DEBUG
59
60#ifdef CONFIG_DEBUG_FILE
61static FILE *out_file = NULL;
62#endif /* CONFIG_DEBUG_FILE */
63
64
65void wpa_debug_print_timestamp(void)
66{
Dmitry Shmidt04949592012-07-19 12:16:46 -070067#ifndef CONFIG_ANDROID_LOG
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070068 struct os_time tv;
69
70 if (!wpa_debug_timestamp)
71 return;
72
73 os_get_time(&tv);
74#ifdef CONFIG_DEBUG_FILE
75 if (out_file) {
76 fprintf(out_file, "%ld.%06u: ", (long) tv.sec,
77 (unsigned int) tv.usec);
78 } else
79#endif /* CONFIG_DEBUG_FILE */
80 printf("%ld.%06u: ", (long) tv.sec, (unsigned int) tv.usec);
Dmitry Shmidt04949592012-07-19 12:16:46 -070081#endif /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070082}
83
84
85#ifdef CONFIG_DEBUG_SYSLOG
86#ifndef LOG_HOSTAPD
87#define LOG_HOSTAPD LOG_DAEMON
88#endif /* LOG_HOSTAPD */
89
90void wpa_debug_open_syslog(void)
91{
92 openlog("wpa_supplicant", LOG_PID | LOG_NDELAY, LOG_HOSTAPD);
93 wpa_debug_syslog++;
94}
95
96
97void wpa_debug_close_syslog(void)
98{
99 if (wpa_debug_syslog)
100 closelog();
101}
102
103
104static int syslog_priority(int level)
105{
106 switch (level) {
107 case MSG_MSGDUMP:
108 case MSG_DEBUG:
109 return LOG_DEBUG;
110 case MSG_INFO:
111 return LOG_NOTICE;
112 case MSG_WARNING:
113 return LOG_WARNING;
114 case MSG_ERROR:
115 return LOG_ERR;
116 }
117 return LOG_INFO;
118}
119#endif /* CONFIG_DEBUG_SYSLOG */
120
121
Dmitry Shmidt04949592012-07-19 12:16:46 -0700122#ifdef CONFIG_DEBUG_LINUX_TRACING
123
124int wpa_debug_open_linux_tracing(void)
125{
126 int mounts, trace_fd;
127 char buf[4096] = {};
128 ssize_t buflen;
129 char *line, *tmp1, *path = NULL;
130
131 mounts = open("/proc/mounts", O_RDONLY);
132 if (mounts < 0) {
133 printf("no /proc/mounts\n");
134 return -1;
135 }
136
137 buflen = read(mounts, buf, sizeof(buf) - 1);
138 close(mounts);
139 if (buflen < 0) {
140 printf("failed to read /proc/mounts\n");
141 return -1;
142 }
143
144 line = strtok_r(buf, "\n", &tmp1);
145 while (line) {
146 char *tmp2, *tmp_path, *fstype;
147 /* "<dev> <mountpoint> <fs type> ..." */
148 strtok_r(line, " ", &tmp2);
149 tmp_path = strtok_r(NULL, " ", &tmp2);
150 fstype = strtok_r(NULL, " ", &tmp2);
151 if (strcmp(fstype, "debugfs") == 0) {
152 path = tmp_path;
153 break;
154 }
155
156 line = strtok_r(NULL, "\n", &tmp1);
157 }
158
159 if (path == NULL) {
160 printf("debugfs mountpoint not found\n");
161 return -1;
162 }
163
164 snprintf(buf, sizeof(buf) - 1, "%s/tracing/trace_marker", path);
165
166 trace_fd = open(buf, O_WRONLY);
167 if (trace_fd < 0) {
168 printf("failed to open trace_marker file\n");
169 return -1;
170 }
171 wpa_debug_tracing_file = fdopen(trace_fd, "w");
172 if (wpa_debug_tracing_file == NULL) {
173 close(trace_fd);
174 printf("failed to fdopen()\n");
175 return -1;
176 }
177
178 return 0;
179}
180
181
182void wpa_debug_close_linux_tracing(void)
183{
184 if (wpa_debug_tracing_file == NULL)
185 return;
186 fclose(wpa_debug_tracing_file);
187 wpa_debug_tracing_file = NULL;
188}
189
190#endif /* CONFIG_DEBUG_LINUX_TRACING */
191
192
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700193/**
194 * wpa_printf - conditional printf
195 * @level: priority level (MSG_*) of the message
196 * @fmt: printf format string, followed by optional arguments
197 *
198 * This function is used to print conditional debugging and error messages. The
199 * output may be directed to stdout, stderr, and/or syslog based on
200 * configuration.
201 *
202 * Note: New line '\n' is added to the end of the text when printing to stdout.
203 */
204void wpa_printf(int level, const char *fmt, ...)
205{
206 va_list ap;
207
208 va_start(ap, fmt);
209 if (level >= wpa_debug_level) {
Dmitry Shmidt04949592012-07-19 12:16:46 -0700210#ifdef CONFIG_ANDROID_LOG
211 __android_log_vprint(wpa_to_android_level(level),
212 ANDROID_LOG_NAME, fmt, ap);
213#else /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700214#ifdef CONFIG_DEBUG_SYSLOG
215 if (wpa_debug_syslog) {
216 vsyslog(syslog_priority(level), fmt, ap);
217 } else {
218#endif /* CONFIG_DEBUG_SYSLOG */
219 wpa_debug_print_timestamp();
220#ifdef CONFIG_DEBUG_FILE
221 if (out_file) {
222 vfprintf(out_file, fmt, ap);
223 fprintf(out_file, "\n");
224 } else {
225#endif /* CONFIG_DEBUG_FILE */
226 vprintf(fmt, ap);
227 printf("\n");
228#ifdef CONFIG_DEBUG_FILE
229 }
230#endif /* CONFIG_DEBUG_FILE */
231#ifdef CONFIG_DEBUG_SYSLOG
232 }
233#endif /* CONFIG_DEBUG_SYSLOG */
Dmitry Shmidt04949592012-07-19 12:16:46 -0700234#endif /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700235 }
236 va_end(ap);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700237
238#ifdef CONFIG_DEBUG_LINUX_TRACING
239 if (wpa_debug_tracing_file != NULL) {
240 va_start(ap, fmt);
241 fprintf(wpa_debug_tracing_file, WPAS_TRACE_PFX, level);
242 vfprintf(wpa_debug_tracing_file, fmt, ap);
243 fprintf(wpa_debug_tracing_file, "\n");
244 fflush(wpa_debug_tracing_file);
245 va_end(ap);
246 }
247#endif /* CONFIG_DEBUG_LINUX_TRACING */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700248}
249
250
251static void _wpa_hexdump(int level, const char *title, const u8 *buf,
252 size_t len, int show)
253{
254 size_t i;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700255
256#ifdef CONFIG_DEBUG_LINUX_TRACING
257 if (wpa_debug_tracing_file != NULL) {
258 fprintf(wpa_debug_tracing_file,
259 WPAS_TRACE_PFX "%s - hexdump(len=%lu):",
260 level, title, (unsigned long) len);
261 if (buf == NULL) {
262 fprintf(wpa_debug_tracing_file, " [NULL]\n");
263 } else if (!show) {
264 fprintf(wpa_debug_tracing_file, " [REMOVED]\n");
265 } else {
266 for (i = 0; i < len; i++)
267 fprintf(wpa_debug_tracing_file,
268 " %02x", buf[i]);
269 }
270 fflush(wpa_debug_tracing_file);
271 }
272#endif /* CONFIG_DEBUG_LINUX_TRACING */
273
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700274 if (level < wpa_debug_level)
275 return;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700276#ifdef CONFIG_ANDROID_LOG
277 {
278 const char *display;
279 char *strbuf = NULL;
280 size_t slen = len;
281 if (buf == NULL) {
282 display = " [NULL]";
283 } else if (len == 0) {
284 display = "";
285 } else if (show && len) {
286 /* Limit debug message length for Android log */
287 if (slen > 32)
288 slen = 32;
289 strbuf = os_malloc(1 + 3 * slen);
290 if (strbuf == NULL) {
291 wpa_printf(MSG_ERROR, "wpa_hexdump: Failed to "
292 "allocate message buffer");
293 return;
294 }
295
296 for (i = 0; i < slen; i++)
297 os_snprintf(&strbuf[i * 3], 4, " %02x",
298 buf[i]);
299
300 display = strbuf;
301 } else {
302 display = " [REMOVED]";
303 }
304
305 __android_log_print(wpa_to_android_level(level),
306 ANDROID_LOG_NAME,
307 "%s - hexdump(len=%lu):%s%s",
308 title, (long unsigned int) len, display,
309 len > slen ? " ..." : "");
310 os_free(strbuf);
311 return;
312 }
313#else /* CONFIG_ANDROID_LOG */
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800314#ifdef CONFIG_DEBUG_SYSLOG
315 if (wpa_debug_syslog) {
316 const char *display;
317 char *strbuf = NULL;
318
319 if (buf == NULL) {
320 display = " [NULL]";
321 } else if (len == 0) {
322 display = "";
323 } else if (show && len) {
324 strbuf = os_malloc(1 + 3 * len);
325 if (strbuf == NULL) {
326 wpa_printf(MSG_ERROR, "wpa_hexdump: Failed to "
327 "allocate message buffer");
328 return;
329 }
330
331 for (i = 0; i < len; i++)
332 os_snprintf(&strbuf[i * 3], 4, " %02x",
333 buf[i]);
334
335 display = strbuf;
336 } else {
337 display = " [REMOVED]";
338 }
339
340 syslog(syslog_priority(level), "%s - hexdump(len=%lu):%s",
Dmitry Shmidt04949592012-07-19 12:16:46 -0700341 title, (unsigned long) len, display);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800342 os_free(strbuf);
343 return;
344 }
345#endif /* CONFIG_DEBUG_SYSLOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700346 wpa_debug_print_timestamp();
347#ifdef CONFIG_DEBUG_FILE
348 if (out_file) {
349 fprintf(out_file, "%s - hexdump(len=%lu):",
350 title, (unsigned long) len);
351 if (buf == NULL) {
352 fprintf(out_file, " [NULL]");
353 } else if (show) {
354 for (i = 0; i < len; i++)
355 fprintf(out_file, " %02x", buf[i]);
356 } else {
357 fprintf(out_file, " [REMOVED]");
358 }
359 fprintf(out_file, "\n");
360 } else {
361#endif /* CONFIG_DEBUG_FILE */
362 printf("%s - hexdump(len=%lu):", title, (unsigned long) len);
363 if (buf == NULL) {
364 printf(" [NULL]");
365 } else if (show) {
366 for (i = 0; i < len; i++)
367 printf(" %02x", buf[i]);
368 } else {
369 printf(" [REMOVED]");
370 }
371 printf("\n");
372#ifdef CONFIG_DEBUG_FILE
373 }
374#endif /* CONFIG_DEBUG_FILE */
Dmitry Shmidt04949592012-07-19 12:16:46 -0700375#endif /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700376}
377
378void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len)
379{
380 _wpa_hexdump(level, title, buf, len, 1);
381}
382
383
384void wpa_hexdump_key(int level, const char *title, const u8 *buf, size_t len)
385{
386 _wpa_hexdump(level, title, buf, len, wpa_debug_show_keys);
387}
388
389
390static void _wpa_hexdump_ascii(int level, const char *title, const u8 *buf,
391 size_t len, int show)
392{
393 size_t i, llen;
394 const u8 *pos = buf;
395 const size_t line_len = 16;
396
Dmitry Shmidt04949592012-07-19 12:16:46 -0700397#ifdef CONFIG_DEBUG_LINUX_TRACING
398 if (wpa_debug_tracing_file != NULL) {
399 fprintf(wpa_debug_tracing_file,
400 WPAS_TRACE_PFX "%s - hexdump_ascii(len=%lu):",
401 level, title, (unsigned long) len);
402 if (buf == NULL) {
403 fprintf(wpa_debug_tracing_file, " [NULL]\n");
404 } else if (!show) {
405 fprintf(wpa_debug_tracing_file, " [REMOVED]\n");
406 } else {
407 /* can do ascii processing in userspace */
408 for (i = 0; i < len; i++)
409 fprintf(wpa_debug_tracing_file,
410 " %02x", buf[i]);
411 }
412 fflush(wpa_debug_tracing_file);
413 }
414#endif /* CONFIG_DEBUG_LINUX_TRACING */
415
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700416 if (level < wpa_debug_level)
417 return;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700418#ifdef CONFIG_ANDROID_LOG
419 _wpa_hexdump(level, title, buf, len, show);
420#else /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700421 wpa_debug_print_timestamp();
422#ifdef CONFIG_DEBUG_FILE
423 if (out_file) {
424 if (!show) {
425 fprintf(out_file,
426 "%s - hexdump_ascii(len=%lu): [REMOVED]\n",
427 title, (unsigned long) len);
428 return;
429 }
430 if (buf == NULL) {
431 fprintf(out_file,
432 "%s - hexdump_ascii(len=%lu): [NULL]\n",
433 title, (unsigned long) len);
434 return;
435 }
436 fprintf(out_file, "%s - hexdump_ascii(len=%lu):\n",
437 title, (unsigned long) len);
438 while (len) {
439 llen = len > line_len ? line_len : len;
440 fprintf(out_file, " ");
441 for (i = 0; i < llen; i++)
442 fprintf(out_file, " %02x", pos[i]);
443 for (i = llen; i < line_len; i++)
444 fprintf(out_file, " ");
445 fprintf(out_file, " ");
446 for (i = 0; i < llen; i++) {
447 if (isprint(pos[i]))
448 fprintf(out_file, "%c", pos[i]);
449 else
450 fprintf(out_file, "_");
451 }
452 for (i = llen; i < line_len; i++)
453 fprintf(out_file, " ");
454 fprintf(out_file, "\n");
455 pos += llen;
456 len -= llen;
457 }
458 } else {
459#endif /* CONFIG_DEBUG_FILE */
460 if (!show) {
461 printf("%s - hexdump_ascii(len=%lu): [REMOVED]\n",
462 title, (unsigned long) len);
463 return;
464 }
465 if (buf == NULL) {
466 printf("%s - hexdump_ascii(len=%lu): [NULL]\n",
467 title, (unsigned long) len);
468 return;
469 }
470 printf("%s - hexdump_ascii(len=%lu):\n", title, (unsigned long) len);
471 while (len) {
472 llen = len > line_len ? line_len : len;
473 printf(" ");
474 for (i = 0; i < llen; i++)
475 printf(" %02x", pos[i]);
476 for (i = llen; i < line_len; i++)
477 printf(" ");
478 printf(" ");
479 for (i = 0; i < llen; i++) {
480 if (isprint(pos[i]))
481 printf("%c", pos[i]);
482 else
483 printf("_");
484 }
485 for (i = llen; i < line_len; i++)
486 printf(" ");
487 printf("\n");
488 pos += llen;
489 len -= llen;
490 }
491#ifdef CONFIG_DEBUG_FILE
492 }
493#endif /* CONFIG_DEBUG_FILE */
Dmitry Shmidt04949592012-07-19 12:16:46 -0700494#endif /* CONFIG_ANDROID_LOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700495}
496
497
498void wpa_hexdump_ascii(int level, const char *title, const u8 *buf, size_t len)
499{
500 _wpa_hexdump_ascii(level, title, buf, len, 1);
501}
502
503
504void wpa_hexdump_ascii_key(int level, const char *title, const u8 *buf,
505 size_t len)
506{
507 _wpa_hexdump_ascii(level, title, buf, len, wpa_debug_show_keys);
508}
509
510
511#ifdef CONFIG_DEBUG_FILE
512static char *last_path = NULL;
513#endif /* CONFIG_DEBUG_FILE */
514
515int wpa_debug_reopen_file(void)
516{
517#ifdef CONFIG_DEBUG_FILE
518 int rv;
519 if (last_path) {
520 char *tmp = os_strdup(last_path);
521 wpa_debug_close_file();
522 rv = wpa_debug_open_file(tmp);
523 os_free(tmp);
524 } else {
525 wpa_printf(MSG_ERROR, "Last-path was not set, cannot "
526 "re-open log file.");
527 rv = -1;
528 }
529 return rv;
530#else /* CONFIG_DEBUG_FILE */
531 return 0;
532#endif /* CONFIG_DEBUG_FILE */
533}
534
535
536int wpa_debug_open_file(const char *path)
537{
538#ifdef CONFIG_DEBUG_FILE
539 if (!path)
540 return 0;
541
542 if (last_path == NULL || os_strcmp(last_path, path) != 0) {
543 /* Save our path to enable re-open */
544 os_free(last_path);
545 last_path = os_strdup(path);
546 }
547
548 out_file = fopen(path, "a");
549 if (out_file == NULL) {
550 wpa_printf(MSG_ERROR, "wpa_debug_open_file: Failed to open "
551 "output file, using standard output");
552 return -1;
553 }
554#ifndef _WIN32
555 setvbuf(out_file, NULL, _IOLBF, 0);
556#endif /* _WIN32 */
557#endif /* CONFIG_DEBUG_FILE */
558 return 0;
559}
560
561
562void wpa_debug_close_file(void)
563{
564#ifdef CONFIG_DEBUG_FILE
565 if (!out_file)
566 return;
567 fclose(out_file);
568 out_file = NULL;
569 os_free(last_path);
570 last_path = NULL;
571#endif /* CONFIG_DEBUG_FILE */
572}
573
574#endif /* CONFIG_NO_STDOUT_DEBUG */
575
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700576
577#ifndef CONFIG_NO_WPA_MSG
578static wpa_msg_cb_func wpa_msg_cb = NULL;
579
580void wpa_msg_register_cb(wpa_msg_cb_func func)
581{
582 wpa_msg_cb = func;
583}
584
585
586static wpa_msg_get_ifname_func wpa_msg_ifname_cb = NULL;
587
588void wpa_msg_register_ifname_cb(wpa_msg_get_ifname_func func)
589{
590 wpa_msg_ifname_cb = func;
591}
592
593
594void wpa_msg(void *ctx, int level, const char *fmt, ...)
595{
596 va_list ap;
597 char *buf;
598 const int buflen = 2048;
599 int len;
600 char prefix[130];
601
602 buf = os_malloc(buflen);
603 if (buf == NULL) {
604 wpa_printf(MSG_ERROR, "wpa_msg: Failed to allocate message "
605 "buffer");
606 return;
607 }
608 va_start(ap, fmt);
609 prefix[0] = '\0';
610 if (wpa_msg_ifname_cb) {
611 const char *ifname = wpa_msg_ifname_cb(ctx);
612 if (ifname) {
613 int res = os_snprintf(prefix, sizeof(prefix), "%s: ",
614 ifname);
615 if (res < 0 || res >= (int) sizeof(prefix))
616 prefix[0] = '\0';
617 }
618 }
619 len = vsnprintf(buf, buflen, fmt, ap);
620 va_end(ap);
621 wpa_printf(level, "%s%s", prefix, buf);
622 if (wpa_msg_cb)
Dmitry Shmidtb6e9aaf2013-05-20 14:49:44 -0700623 wpa_msg_cb(ctx, level, 0, buf, len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700624 os_free(buf);
625}
626
627
628void wpa_msg_ctrl(void *ctx, int level, const char *fmt, ...)
629{
630 va_list ap;
631 char *buf;
632 const int buflen = 2048;
633 int len;
634
635 if (!wpa_msg_cb)
636 return;
637
638 buf = os_malloc(buflen);
639 if (buf == NULL) {
640 wpa_printf(MSG_ERROR, "wpa_msg_ctrl: Failed to allocate "
641 "message buffer");
642 return;
643 }
644 va_start(ap, fmt);
645 len = vsnprintf(buf, buflen, fmt, ap);
646 va_end(ap);
Dmitry Shmidtb6e9aaf2013-05-20 14:49:44 -0700647 wpa_msg_cb(ctx, level, 0, buf, len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700648 os_free(buf);
649}
Dmitry Shmidtb6e9aaf2013-05-20 14:49:44 -0700650
651
652void wpa_msg_global(void *ctx, int level, const char *fmt, ...)
653{
654 va_list ap;
655 char *buf;
656 const int buflen = 2048;
657 int len;
658
659 buf = os_malloc(buflen);
660 if (buf == NULL) {
661 wpa_printf(MSG_ERROR, "wpa_msg_global: Failed to allocate "
662 "message buffer");
663 return;
664 }
665 va_start(ap, fmt);
666 len = vsnprintf(buf, buflen, fmt, ap);
667 va_end(ap);
668 wpa_printf(level, "%s", buf);
669 if (wpa_msg_cb)
670 wpa_msg_cb(ctx, level, 1, buf, len);
671 os_free(buf);
672}
673
674
675void wpa_msg_no_global(void *ctx, int level, const char *fmt, ...)
676{
677 va_list ap;
678 char *buf;
679 const int buflen = 2048;
680 int len;
681
682 buf = os_malloc(buflen);
683 if (buf == NULL) {
684 wpa_printf(MSG_ERROR, "wpa_msg_no_global: Failed to allocate "
685 "message buffer");
686 return;
687 }
688 va_start(ap, fmt);
689 len = vsnprintf(buf, buflen, fmt, ap);
690 va_end(ap);
691 wpa_printf(level, "%s", buf);
692 if (wpa_msg_cb)
693 wpa_msg_cb(ctx, level, 2, buf, len);
694 os_free(buf);
695}
696
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700697#endif /* CONFIG_NO_WPA_MSG */
698
699
700#ifndef CONFIG_NO_HOSTAPD_LOGGER
701static hostapd_logger_cb_func hostapd_logger_cb = NULL;
702
703void hostapd_logger_register_cb(hostapd_logger_cb_func func)
704{
705 hostapd_logger_cb = func;
706}
707
708
709void hostapd_logger(void *ctx, const u8 *addr, unsigned int module, int level,
710 const char *fmt, ...)
711{
712 va_list ap;
713 char *buf;
714 const int buflen = 2048;
715 int len;
716
717 buf = os_malloc(buflen);
718 if (buf == NULL) {
719 wpa_printf(MSG_ERROR, "hostapd_logger: Failed to allocate "
720 "message buffer");
721 return;
722 }
723 va_start(ap, fmt);
724 len = vsnprintf(buf, buflen, fmt, ap);
725 va_end(ap);
726 if (hostapd_logger_cb)
727 hostapd_logger_cb(ctx, addr, module, level, buf, len);
728 else if (addr)
729 wpa_printf(MSG_DEBUG, "hostapd_logger: STA " MACSTR " - %s",
730 MAC2STR(addr), buf);
731 else
732 wpa_printf(MSG_DEBUG, "hostapd_logger: %s", buf);
733 os_free(buf);
734}
735#endif /* CONFIG_NO_HOSTAPD_LOGGER */