2 * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/usr.sbin/ppp/log.c,v 1.44.2.5 2002/09/01 02:12:28 brian Exp $
27 * $DragonFly: src/usr.sbin/ppp/log.c,v 1.2 2003/06/17 04:30:00 dillon Exp $
30 #include <sys/types.h>
43 #include "descriptor.h"
46 static const char *const LogNames[] = {
55 "Filter", /* Log discarded packets */
73 #define MSK(n) (1<<((n)-1))
75 static u_long LogMask = MSK(LogPHASE);
76 static u_long LogMaskLocal = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
77 static int LogTunno = -1;
78 static struct prompt *promptlist; /* Where to log local stuff */
79 struct prompt *log_PromptContext;
80 int log_PromptListChanged;
89 log_RegisterPrompt(struct prompt *prompt)
91 prompt->next = promptlist;
94 log_DiscardAllLocal(&prompt->logmask);
98 log_ActivatePrompt(struct prompt *prompt)
101 LogMaskLocal |= prompt->logmask;
105 LogSetMaskLocal(void)
109 LogMaskLocal = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
110 for (p = promptlist; p; p = p->next)
111 LogMaskLocal |= p->logmask;
115 log_DeactivatePrompt(struct prompt *prompt)
117 if (prompt->active) {
124 log_UnRegisterPrompt(struct prompt *prompt)
129 for (p = &promptlist; *p; p = &(*p)->next)
136 log_PromptListChanged++;
141 log_DestroyPrompts(struct server *s)
143 struct prompt *p, *pn, *pl;
149 if (s && p->owner == s) {
153 promptlist = p->next;
155 prompt_Destroy(p, 1);
167 for (p = promptlist; p; p = p->next)
172 log_WritePrompts(struct datalink *dl, const char *fmt,...)
178 for (p = promptlist; p; p = p->next)
179 if (prompt_IsTermMode(p, dl))
180 prompt_vPrintf(p, fmt, ap);
185 log_SetTtyCommandMode(struct datalink *dl)
189 for (p = promptlist; p; p = p->next)
190 if (prompt_IsTermMode(p, dl))
191 prompt_TtyCommandMode(p);
210 return lev >= LogMIN && lev <= LogMAX ? LOG_INFO : 0;
218 return id < LogMIN || id > LogMAX ? "Unknown" : LogNames[id - 1];
224 if (id >= LogMIN && id <= LogMAXCONF)
229 log_KeepLocal(int id, u_long *mask)
231 if (id >= LogMIN && id <= LogMAXCONF) {
232 LogMaskLocal |= MSK(id);
240 if (id >= LogMIN && id <= LogMAXCONF)
245 log_DiscardLocal(int id, u_long *mask)
247 if (id >= LogMIN && id <= LogMAXCONF) {
260 log_DiscardAllLocal(u_long *mask)
262 *mask = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
270 return LOG_KEPT_SYSLOG;
271 if (id < LogMIN || id > LogMAX)
274 return LOG_KEPT_LOCAL | LOG_KEPT_SYSLOG;
276 return ((LogMaskLocal & MSK(id)) ? LOG_KEPT_LOCAL : 0) |
277 ((LogMask & MSK(id)) ? LOG_KEPT_SYSLOG : 0);
281 log_IsKeptLocal(int id, u_long mask)
283 if (id < LogMIN || id > LogMAX)
286 return LOG_KEPT_LOCAL | LOG_KEPT_SYSLOG;
288 return ((mask & MSK(id)) ? LOG_KEPT_LOCAL : 0) |
289 ((LogMask & MSK(id)) ? LOG_KEPT_SYSLOG : 0);
293 log_Open(const char *Name)
295 openlog(Name, LOG_PID, LOG_DAEMON);
299 log_SetTun(int tunno)
312 log_Printf(int lev, const char *fmt,...)
315 struct prompt *prompt;
317 if (log_IsKept(lev)) {
321 if (promptlist && (log_IsKept(lev) & LOG_KEPT_LOCAL)) {
322 if ((log_IsKept(LogTUN) & LOG_KEPT_LOCAL) && LogTunno != -1)
323 snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
324 LogTunno, log_Name(lev), fmt);
326 snprintf(nfmt, sizeof nfmt, "%s: %s", log_Name(lev), fmt);
328 if (log_PromptContext && lev == LogWARN)
329 /* Warnings just go to the current prompt */
330 prompt_vPrintf(log_PromptContext, nfmt, ap);
331 else for (prompt = promptlist; prompt; prompt = prompt->next)
332 if (lev > LogMAXCONF || (prompt->logmask & MSK(lev)))
333 prompt_vPrintf(prompt, nfmt, ap);
338 if ((log_IsKept(lev) & LOG_KEPT_SYSLOG) &&
339 (lev != LogWARN || !log_PromptContext)) {
340 if ((log_IsKept(LogTUN) & LOG_KEPT_SYSLOG) && LogTunno != -1)
341 snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
342 LogTunno, log_Name(lev), fmt);
344 snprintf(nfmt, sizeof nfmt, "%s: %s", log_Name(lev), fmt);
345 vsyslog(syslogLevel(lev), nfmt, ap);
352 log_DumpBp(int lev, const char *hdr, const struct mbuf *bp)
354 if (log_IsKept(lev)) {
361 log_Printf(lev, "%s\n", hdr);
367 ptr = CONST_MBUF_CTOP(bp);
369 sprintf(b, " %02x", (int) *ptr);
370 *c++ = isprint(*ptr) ? *ptr : '.';
376 log_Printf(lev, "%s\n", buf);
381 } while ((bp = bp->m_next) != NULL);
384 memset(b, ' ', 50 - (b - buf));
386 log_Printf(lev, "%s\n", buf);
392 log_DumpBuff(int lev, const char *hdr, const u_char *ptr, int n)
394 if (log_IsKept(lev)) {
399 log_Printf(lev, "%s\n", hdr);
403 for (b = buf; b != buf + 48 && n--; b += 3, ptr++) {
404 sprintf(b, " %02x", (int) *ptr);
405 *c++ = isprint(*ptr) ? *ptr : '.';
407 memset(b, ' ', 50 - (b - buf));
409 log_Printf(lev, "%s\n", buf);
415 log_ShowLevel(struct cmdargs const *arg)
419 prompt_Printf(arg->prompt, "Log: ");
420 for (i = LogMIN; i <= LogMAX; i++)
421 if (log_IsKept(i) & LOG_KEPT_SYSLOG)
422 prompt_Printf(arg->prompt, " %s", log_Name(i));
424 prompt_Printf(arg->prompt, "\nLocal:");
425 for (i = LogMIN; i <= LogMAX; i++)
426 if (log_IsKeptLocal(i, arg->prompt->logmask) & LOG_KEPT_LOCAL)
427 prompt_Printf(arg->prompt, " %s", log_Name(i));
429 prompt_Printf(arg->prompt, "\n");
435 log_SetLevel(struct cmdargs const *arg)
437 int i, res, argc, local;
438 char const *const *argv, *argp;
440 argc = arg->argc - arg->argn;
441 argv = arg->argv + arg->argn;
444 if (argc == 0 || strcasecmp(argv[0], "local"))
447 if (arg->prompt == NULL) {
448 log_Printf(LogWARN, "set log local: Only available on the"
457 if (argc == 0 || (argv[0][0] != '+' && argv[0][0] != '-')) {
459 log_DiscardAllLocal(&arg->prompt->logmask);
465 argp = **argv == '+' || **argv == '-' ? *argv + 1 : *argv;
466 /* Special case 'all' */
467 if (strcasecmp(argp, "all") == 0) {
470 for (i = LogMIN; i <= LogMAX; i++)
471 log_DiscardLocal(i, &arg->prompt->logmask);
473 for (i = LogMIN; i <= LogMAX; i++)
476 for (i = LogMIN; i <= LogMAX; i++)
477 log_KeepLocal(i, &arg->prompt->logmask);
479 for (i = LogMIN; i <= LogMAX; i++)
484 for (i = LogMIN; i <= LogMAX; i++)
485 if (strcasecmp(argp, log_Name(i)) == 0) {
488 log_DiscardLocal(i, &arg->prompt->logmask);
492 log_KeepLocal(i, &arg->prompt->logmask);
498 log_Printf(LogWARN, "%s: Invalid log value\n", argp);
507 log_ShowWho(struct cmdargs const *arg)
511 for (p = promptlist; p; p = p->next) {
512 prompt_Printf(arg->prompt, "%s (%s)", p->src.type, p->src.from);
513 if (p == arg->prompt)
514 prompt_Printf(arg->prompt, " *");
516 prompt_Printf(arg->prompt, " ^Z");
517 prompt_Printf(arg->prompt, "\n");