10 bool_t secnet_is_daemon=False;
11 uint32_t message_level=M_WARNING|M_ERR|M_SECURITY|M_FATAL;
12 struct log_if *system_log=NULL;
14 static void vMessage(uint32_t class, char *message, va_list args)
17 #define MESSAGE_BUFLEN 1023
18 static char buff[MESSAGE_BUFLEN+1]={0,};
22 if (secnet_is_daemon) {
23 /* Messages go to the system log interface */
25 vsnprintf(buff+bp,MESSAGE_BUFLEN-bp,message,args);
26 /* Each line is sent separately */
27 while ((nlp=strchr(buff,'\n'))) {
29 log(system_log,class,buff);
30 memmove(buff,nlp+1,strlen(nlp+1)+1);
33 /* Messages go to stdout/stderr */
34 if (class & message_level) {
35 if (class&M_FATAL || class&M_ERR || class&M_WARNING) {
38 vfprintf(dest,message,args);
43 void Message(uint32_t class, char *message, ...)
48 vMessage(class,message,ap);
52 static void vfatal(int status, bool_t perror, char *message, va_list args)
58 enter_phase(PHASE_SHUTDOWN);
60 Message(M_FATAL, "secnet fatal error: ");
61 vMessage(M_FATAL, message, args);
62 Message(M_FATAL, ": %s\n",strerror(err));
65 Message(M_FATAL, "secnet fatal error: ");
66 vMessage(M_FATAL,message,args);
71 void fatal(char *message, ...)
74 va_start(args,message);
75 vfatal(current_phase,False,message,args);
79 void fatal_status(int status, char *message, ...)
82 va_start(args,message);
83 vfatal(status,False,message,args);
87 void fatal_perror(char *message, ...)
90 va_start(args,message);
91 vfatal(current_phase,True,message,args);
95 void fatal_perror_status(int status, char *message, ...)
98 va_start(args,message);
99 vfatal(status,True,message,args);
103 void cfgfatal(struct cloc loc, string_t facility, char *message, ...)
107 va_start(args,message);
109 enter_phase(PHASE_SHUTDOWN);
111 if (loc.file && loc.line) {
112 Message(M_FATAL, "config error (%s, %s:%d): ",facility,loc.file,
114 } else if (!loc.file && loc.line) {
115 Message(M_FATAL, "config error (%s, line %d): ",facility,loc.line);
117 Message(M_FATAL, "config error (%s): ",facility);
120 vMessage(M_FATAL,message,args);
125 /* Take a list of log closures and merge them */
128 struct loglist *next;
131 static void log_vmulti(void *sst, int class, char *message, va_list args)
133 struct loglist *st=sst, *i;
135 if (secnet_is_daemon) {
136 for (i=st; i; i=i->next) {
137 i->l->vlog(i->l->st,class,message,args);
140 vMessage(class,message,args);
145 static void log_multi(void *st, int priority, char *message, ...)
149 va_start(ap,message);
150 log_vmulti(st,priority,message,ap);
154 struct log_if *init_log(list_t *ll)
159 struct loglist *l=NULL, *n;
162 if (list_length(ll)==1) {
163 item=list_elem(ll,0);
164 cl=item->data.closure;
165 if (cl->type!=CL_LOG) {
166 cfgfatal(item->loc,"init_log","closure is not a logger");
168 return cl->interface;
170 while ((item=list_elem(ll,i++))) {
171 if (item->type!=t_closure) {
172 cfgfatal(item->loc,"init_log","item is not a closure");
174 cl=item->data.closure;
175 if (cl->type!=CL_LOG) {
176 cfgfatal(item->loc,"init_log","closure is not a logger");
178 n=safe_malloc(sizeof(*n),"init_log");
184 fatal("init_log: no log");
186 r=safe_malloc(sizeof(*r), "init_log");
202 static string_t months[]={
203 "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
205 static void logfile_vlog(void *sst, int class, char *message, va_list args)
207 struct logfile *st=sst;
211 if (secnet_is_daemon) {
212 if (class&st->level) {
215 fprintf(st->f,"%s %2d %02d:%02d:%02d ",
216 months[tm->tm_mon],tm->tm_mday,tm->tm_hour,tm->tm_min,
218 vfprintf(st->f,message,args);
223 vMessage(class,message,args);
228 static void logfile_log(void *state, int priority, char *message, ...)
232 va_start(ap,message);
233 logfile_vlog(state,priority,message,ap);
237 static void logfile_hup_notify(void *sst, int signum)
239 struct logfile *st=sst;
241 f=fopen(st->logfile,"a");
243 logfile_log(st,M_FATAL,"received SIGHUP, but could not reopen "
244 "logfile: %s",strerror(errno));
248 logfile_log(st,M_INFO,"received SIGHUP");
252 static void logfile_phase_hook(void *sst, uint32_t new_phase)
254 struct logfile *st=sst;
258 f=fopen(st->logfile,"a");
259 if (!f) fatal_perror("logfile (%s:%d): cannot open \"%s\"",
260 st->loc.file,st->loc.line,st->logfile);
262 request_signal_notification(SIGHUP, logfile_hup_notify,st);
266 static struct flagstr message_class_table[]={
267 { "debug-config", M_DEBUG_CONFIG },
268 { "debug-phase", M_DEBUG_PHASE },
269 { "debug", M_DEBUG },
270 { "all-debug", M_DEBUG|M_DEBUG_PHASE|M_DEBUG_CONFIG },
272 { "notice", M_NOTICE },
273 { "warning", M_WARNING },
275 { "security", M_SECURITY },
276 { "fatal", M_FATAL },
277 { "default", M_WARNING|M_ERR|M_SECURITY|M_FATAL },
278 { "verbose", M_INFO|M_NOTICE|M_WARNING|M_ERR|M_SECURITY|M_FATAL },
279 { "quiet", M_FATAL },
283 static list_t *logfile_apply(closure_t *self, struct cloc loc, dict_t *context,
290 /* We should defer opening the logfile until the getresources
291 phase. We should defer writing into the logfile until after we
294 st=safe_malloc(sizeof(*st),"logfile_apply");
295 st->cl.description="logfile";
298 st->cl.interface=&st->ops;
300 st->ops.log=logfile_log;
301 st->ops.vlog=logfile_vlog;
305 item=list_elem(args,0);
306 if (!item || item->type!=t_dict) {
307 cfgfatal(loc,"logfile","argument must be a dictionary\n");
309 dict=item->data.dict;
311 st->logfile=dict_read_string(dict,"filename",True,"logfile",loc);
312 st->level=string_list_to_word(dict_lookup(dict,"class"),
313 message_class_table,"logfile");
315 add_hook(PHASE_GETRESOURCES,logfile_phase_hook,st);
317 return new_closure(&st->cl);
328 static int msgclass_to_syslogpriority(uint32_t m)
331 case M_DEBUG_CONFIG: return LOG_DEBUG;
332 case M_DEBUG_PHASE: return LOG_DEBUG;
333 case M_DEBUG: return LOG_DEBUG;
334 case M_INFO: return LOG_INFO;
335 case M_NOTICE: return LOG_NOTICE;
336 case M_WARNING: return LOG_WARNING;
337 case M_ERR: return LOG_ERR;
338 case M_SECURITY: return LOG_CRIT;
339 case M_FATAL: return LOG_EMERG;
340 default: return LOG_NOTICE;
344 static void syslog_vlog(void *sst, int class, char *message,
347 struct syslog *st=sst;
350 vsyslog(msgclass_to_syslogpriority(class),message,args);
352 vMessage(class,message,args);
357 static void syslog_log(void *sst, int priority, char *message, ...)
361 va_start(ap,message);
362 syslog_vlog(sst,priority,message,ap);
366 static struct flagstr syslog_facility_table[]={
368 { "auth", LOG_AUTH },
371 { "authpriv", LOG_AUTHPRIV },
373 { "cron", LOG_CRON },
374 { "daemon", LOG_DAEMON },
375 { "kern", LOG_KERN },
376 { "local0", LOG_LOCAL0 },
377 { "local1", LOG_LOCAL1 },
378 { "local2", LOG_LOCAL2 },
379 { "local3", LOG_LOCAL3 },
380 { "local4", LOG_LOCAL4 },
381 { "local5", LOG_LOCAL5 },
382 { "local6", LOG_LOCAL6 },
383 { "local7", LOG_LOCAL7 },
385 { "mail", LOG_MAIL },
386 { "news", LOG_NEWS },
387 { "syslog", LOG_SYSLOG },
388 { "user", LOG_USER },
389 { "uucp", LOG_UUCP },
393 static void syslog_phase_hook(void *sst, uint32_t newphase)
395 struct syslog *st=sst;
398 openlog(st->ident,0,st->facility);
403 static list_t *syslog_apply(closure_t *self, struct cloc loc, dict_t *context,
411 st=safe_malloc(sizeof(*st),"syslog_apply");
412 st->cl.description="syslog";
415 st->cl.interface=&st->ops;
417 st->ops.log=syslog_log;
418 st->ops.vlog=syslog_vlog;
420 item=list_elem(args,0);
421 if (!item || item->type!=t_dict)
422 cfgfatal(loc,"syslog","parameter must be a dictionary\n");
425 st->ident=dict_read_string(d, "ident", False, "syslog", loc);
426 facstr=dict_read_string(d, "facility", True, "syslog", loc);
427 st->facility=string_to_word(facstr,loc,
428 syslog_facility_table,"syslog");
430 add_hook(PHASE_GETRESOURCES,syslog_phase_hook,st);
432 return new_closure(&st->cl);
435 init_module log_module;
436 void log_module(dict_t *dict)
438 add_closure(dict,"logfile",logfile_apply);
439 add_closure(dict,"syslog",syslog_apply);