3 * Shared versions of debug(), log(), etc.
8 RCSID("$OpenBSD: log.c,v 1.5 1999/11/24 00:26:02 deraadt Exp $");
13 /* Fatal messages. This function never returns. */
16 fatal(const char *fmt,...)
20 do_log(SYSLOG_LEVEL_FATAL, fmt, args);
25 /* Error messages that should be logged. */
28 error(const char *fmt,...)
32 do_log(SYSLOG_LEVEL_ERROR, fmt, args);
36 /* Log this message (information that usually should go to the log). */
39 log(const char *fmt,...)
43 do_log(SYSLOG_LEVEL_INFO, fmt, args);
47 /* More detailed messages (information that does not need to go to the log). */
50 verbose(const char *fmt,...)
54 do_log(SYSLOG_LEVEL_VERBOSE, fmt, args);
58 /* Debugging messages that should not be logged during normal operation. */
61 debug(const char *fmt,...)
65 do_log(SYSLOG_LEVEL_DEBUG, fmt, args);
71 struct fatal_cleanup {
72 struct fatal_cleanup *next;
73 void (*proc) (void *);
77 static struct fatal_cleanup *fatal_cleanups = NULL;
79 /* Registers a cleanup function to be called by fatal() before exiting. */
82 fatal_add_cleanup(void (*proc) (void *), void *context)
84 struct fatal_cleanup *cu;
86 cu = xmalloc(sizeof(*cu));
88 cu->context = context;
89 cu->next = fatal_cleanups;
93 /* Removes a cleanup frunction to be called at fatal(). */
96 fatal_remove_cleanup(void (*proc) (void *context), void *context)
98 struct fatal_cleanup **cup, *cu;
100 for (cup = &fatal_cleanups; *cup; cup = &cu->next) {
102 if (cu->proc == proc && cu->context == context) {
108 fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx\n",
109 (unsigned long) proc, (unsigned long) context);
112 /* Cleanup and exit */
116 struct fatal_cleanup *cu, *next_cu;
117 static int called = 0;
122 /* Call cleanup functions. */
123 for (cu = fatal_cleanups; cu; cu = next_cu) {
125 debug("Calling cleanup 0x%lx(0x%lx)",
126 (unsigned long) cu->proc, (unsigned long) cu->context);
127 (*cu->proc) (cu->context);
132 /* textual representation of log-facilities/levels */
137 } log_facilities[] = {
138 { "DAEMON", SYSLOG_FACILITY_DAEMON },
139 { "USER", SYSLOG_FACILITY_USER },
140 { "AUTH", SYSLOG_FACILITY_AUTH },
141 { "LOCAL0", SYSLOG_FACILITY_LOCAL0 },
142 { "LOCAL1", SYSLOG_FACILITY_LOCAL1 },
143 { "LOCAL2", SYSLOG_FACILITY_LOCAL2 },
144 { "LOCAL3", SYSLOG_FACILITY_LOCAL3 },
145 { "LOCAL4", SYSLOG_FACILITY_LOCAL4 },
146 { "LOCAL5", SYSLOG_FACILITY_LOCAL5 },
147 { "LOCAL6", SYSLOG_FACILITY_LOCAL6 },
148 { "LOCAL7", SYSLOG_FACILITY_LOCAL7 },
157 { "QUIET", SYSLOG_LEVEL_QUIET },
158 { "FATAL", SYSLOG_LEVEL_FATAL },
159 { "ERROR", SYSLOG_LEVEL_ERROR },
160 { "INFO", SYSLOG_LEVEL_INFO },
161 { "VERBOSE", SYSLOG_LEVEL_VERBOSE },
162 { "DEBUG", SYSLOG_LEVEL_DEBUG },
167 log_facility_number(char *name)
171 for (i = 0; log_facilities[i].name; i++)
172 if (strcasecmp(log_facilities[i].name, name) == 0)
173 return log_facilities[i].val;
174 return (SyslogFacility) - 1;
178 log_level_number(char *name)
182 for (i = 0; log_levels[i].name; i++)
183 if (strcasecmp(log_levels[i].name, name) == 0)
184 return log_levels[i].val;
185 return (LogLevel) - 1;