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
29 #include <sys/types.h>
42 #include "descriptor.h"
45 static const char *LogNames[] = {
69 #define MSK(n) (1<<((n)-1))
71 static u_long LogMask = MSK(LogPHASE);
72 static u_long LogMaskLocal = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
73 static int LogTunno = -1;
74 static struct prompt *promptlist; /* Where to log local stuff */
75 struct prompt *log_PromptContext;
76 int log_PromptListChanged;
85 log_RegisterPrompt(struct prompt *prompt)
87 prompt->next = promptlist;
90 log_DiscardAllLocal(&prompt->logmask);
94 log_ActivatePrompt(struct prompt *prompt)
97 LogMaskLocal |= prompt->logmask;
101 LogSetMaskLocal(void)
105 LogMaskLocal = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
106 for (p = promptlist; p; p = p->next)
107 LogMaskLocal |= p->logmask;
111 log_DeactivatePrompt(struct prompt *prompt)
113 if (prompt->active) {
120 log_UnRegisterPrompt(struct prompt *prompt)
125 for (p = &promptlist; *p; p = &(*p)->next)
132 log_PromptListChanged++;
137 log_DestroyPrompts(struct server *s)
139 struct prompt *p, *pn, *pl;
145 if (s && p->owner == s) {
149 promptlist = p->next;
151 prompt_Destroy(p, 1);
163 for (p = promptlist; p; p = p->next)
168 log_WritePrompts(struct datalink *dl, const char *fmt,...)
174 for (p = promptlist; p; p = p->next)
175 if (prompt_IsTermMode(p, dl))
176 prompt_vPrintf(p, fmt, ap);
181 log_SetTtyCommandMode(struct datalink *dl)
185 for (p = promptlist; p; p = p->next)
186 if (prompt_IsTermMode(p, dl))
187 prompt_TtyCommandMode(p);
204 return lev >= LogMIN && lev <= LogMAX ? LOG_INFO : 0;
210 return id < LogMIN || id > LogMAX ? "Unknown" : LogNames[id - 1];
216 if (id >= LogMIN && id <= LogMAXCONF)
221 log_KeepLocal(int id, u_long *mask)
223 if (id >= LogMIN && id <= LogMAXCONF) {
224 LogMaskLocal |= MSK(id);
232 if (id >= LogMIN && id <= LogMAXCONF)
237 log_DiscardLocal(int id, u_long *mask)
239 if (id >= LogMIN && id <= LogMAXCONF) {
252 log_DiscardAllLocal(u_long *mask)
254 *mask = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
261 if (id < LogMIN || id > LogMAX)
264 return LOG_KEPT_LOCAL | LOG_KEPT_SYSLOG;
266 return ((LogMaskLocal & MSK(id)) ? LOG_KEPT_LOCAL : 0) |
267 ((LogMask & MSK(id)) ? LOG_KEPT_SYSLOG : 0);
271 log_IsKeptLocal(int id, u_long mask)
273 if (id < LogMIN || id > LogMAX)
276 return LOG_KEPT_LOCAL | LOG_KEPT_SYSLOG;
278 return ((mask & MSK(id)) ? LOG_KEPT_LOCAL : 0) |
279 ((LogMask & MSK(id)) ? LOG_KEPT_SYSLOG : 0);
283 log_Open(const char *Name)
285 openlog(Name, LOG_PID, LOG_DAEMON);
289 log_SetTun(int tunno)
302 log_Printf(int lev, const char *fmt,...)
305 struct prompt *prompt;
308 if (log_IsKept(lev)) {
311 if (promptlist && (log_IsKept(lev) & LOG_KEPT_LOCAL)) {
312 if ((log_IsKept(LogTUN) & LOG_KEPT_LOCAL) && LogTunno != -1)
313 snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
314 LogTunno, log_Name(lev), fmt);
316 snprintf(nfmt, sizeof nfmt, "%s: %s", log_Name(lev), fmt);
318 if (log_PromptContext && lev == LogWARN)
319 /* Warnings just go to the current prompt */
320 prompt_vPrintf(log_PromptContext, nfmt, ap);
321 else for (prompt = promptlist; prompt; prompt = prompt->next)
322 if (lev > LogMAXCONF || (prompt->logmask & MSK(lev)))
323 prompt_vPrintf(prompt, nfmt, ap);
326 if ((log_IsKept(lev) & LOG_KEPT_SYSLOG) &&
327 (lev != LogWARN || !log_PromptContext)) {
328 if ((log_IsKept(LogTUN) & LOG_KEPT_SYSLOG) && LogTunno != -1)
329 snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
330 LogTunno, log_Name(lev), fmt);
332 snprintf(nfmt, sizeof nfmt, "%s: %s", log_Name(lev), fmt);
333 vsyslog(syslogLevel(lev), nfmt, ap);
340 log_DumpBp(int lev, const char *hdr, const struct mbuf *bp)
342 if (log_IsKept(lev)) {
349 log_Printf(lev, "%s\n", hdr);
355 ptr = CONST_MBUF_CTOP(bp);
357 sprintf(b, " %02x", (int) *ptr);
358 *c++ = isprint(*ptr) ? *ptr : '.';
364 log_Printf(lev, "%s\n", buf);
369 } while ((bp = bp->next) != NULL);
372 memset(b, ' ', 50 - (b - buf));
374 log_Printf(lev, "%s\n", buf);
380 log_DumpBuff(int lev, const char *hdr, const u_char *ptr, int n)
382 if (log_IsKept(lev)) {
387 log_Printf(lev, "%s\n", hdr);
391 for (b = buf; b != buf + 48 && n--; b += 3, ptr++) {
392 sprintf(b, " %02x", (int) *ptr);
393 *c++ = isprint(*ptr) ? *ptr : '.';
395 memset(b, ' ', 50 - (b - buf));
397 log_Printf(lev, "%s\n", buf);
403 log_ShowLevel(struct cmdargs const *arg)
407 prompt_Printf(arg->prompt, "Log: ");
408 for (i = LogMIN; i <= LogMAX; i++)
409 if (log_IsKept(i) & LOG_KEPT_SYSLOG)
410 prompt_Printf(arg->prompt, " %s", log_Name(i));
412 prompt_Printf(arg->prompt, "\nLocal:");
413 for (i = LogMIN; i <= LogMAX; i++)
414 if (log_IsKeptLocal(i, arg->prompt->logmask) & LOG_KEPT_LOCAL)
415 prompt_Printf(arg->prompt, " %s", log_Name(i));
417 prompt_Printf(arg->prompt, "\n");
423 log_SetLevel(struct cmdargs const *arg)
425 int i, res, argc, local;
426 char const *const *argv, *argp;
428 argc = arg->argc - arg->argn;
429 argv = arg->argv + arg->argn;
432 if (argc == 0 || strcasecmp(argv[0], "local"))
435 if (arg->prompt == NULL) {
436 log_Printf(LogWARN, "set log local: Only available on the command line\n");
444 if (argc == 0 || (argv[0][0] != '+' && argv[0][0] != '-')) {
446 log_DiscardAllLocal(&arg->prompt->logmask);
452 argp = **argv == '+' || **argv == '-' ? *argv + 1 : *argv;
453 for (i = LogMIN; i <= LogMAX; i++)
454 if (strcasecmp(argp, log_Name(i)) == 0) {
457 log_DiscardLocal(i, &arg->prompt->logmask);
461 log_KeepLocal(i, &arg->prompt->logmask);
467 log_Printf(LogWARN, "%s: Invalid log value\n", argp);
476 log_ShowWho(struct cmdargs const *arg)
480 for (p = promptlist; p; p = p->next) {
481 prompt_Printf(arg->prompt, "%s (%s)", p->src.type, p->src.from);
482 if (p == arg->prompt)
483 prompt_Printf(arg->prompt, " *");
485 prompt_Printf(arg->prompt, " ^Z");
486 prompt_Printf(arg->prompt, "\n");