2 * Copyright (c) 1997-2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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34 #include "krb5_locl.h"
40 krb5_log_log_func_t log_func;
41 krb5_log_close_func_t close_func;
45 static struct facility*
46 log_realloc(krb5_log_facility *f)
49 fp = realloc(f->val, (f->len + 1) * sizeof(*f->val));
63 #define L(X) { #X, LOG_ ## X }
65 static struct s2i syslogvals[] = {
109 find_value(const char *s, struct s2i *table)
111 while(table->s && strcasecmp(table->s, s))
116 krb5_error_code KRB5_LIB_FUNCTION
117 krb5_initlog(krb5_context context,
119 krb5_log_facility **fac)
121 krb5_log_facility *f = calloc(1, sizeof(*f));
123 krb5_set_error_message(context, ENOMEM,
124 N_("malloc: out of memory", ""));
127 f->program = strdup(program);
128 if(f->program == NULL){
130 krb5_set_error_message(context, ENOMEM,
131 N_("malloc: out of memory", ""));
138 krb5_error_code KRB5_LIB_FUNCTION
139 krb5_addlog_func(krb5_context context,
140 krb5_log_facility *fac,
143 krb5_log_log_func_t log_func,
144 krb5_log_close_func_t close_func,
147 struct facility *fp = log_realloc(fac);
149 krb5_set_error_message(context, ENOMEM,
150 N_("malloc: out of memory", ""));
155 fp->log_func = log_func;
156 fp->close_func = close_func;
162 struct _heimdal_syslog_data{
167 log_syslog(const char *timestr,
172 struct _heimdal_syslog_data *s = data;
173 syslog(s->priority, "%s", msg);
177 close_syslog(void *data)
183 static krb5_error_code
184 open_syslog(krb5_context context,
185 krb5_log_facility *facility, int min, int max,
186 const char *sev, const char *fac)
188 struct _heimdal_syslog_data *sd = malloc(sizeof(*sd));
192 krb5_set_error_message(context, ENOMEM,
193 N_("malloc: out of memory", ""));
196 i = find_value(sev, syslogvals);
200 i = find_value(fac, syslogvals);
204 roken_openlog(facility->program, LOG_PID | LOG_NDELAY, i);
205 return krb5_addlog_func(context, facility, min, max,
206 log_syslog, close_syslog, sd);
210 const char *filename;
217 log_file(const char *timestr,
221 struct file_data *f = data;
223 size_t len = strlen(msg);
224 if(f->keep_open == 0)
225 f->fd = fopen(f->filename, f->mode);
228 /* make sure the log doesn't contain special chars */
229 msgclean = malloc((len + 1) * 4);
230 if (msgclean == NULL)
232 strvisx(msgclean, rk_UNCONST(msg), len, VIS_OCTAL);
233 fprintf(f->fd, "%s %s\n", timestr, msgclean);
236 if(f->keep_open == 0) {
243 close_file(void *data)
245 struct file_data *f = data;
246 if(f->keep_open && f->filename)
251 static krb5_error_code
252 open_file(krb5_context context, krb5_log_facility *fac, int min, int max,
253 const char *filename, const char *mode, FILE *f, int keep_open)
255 struct file_data *fd = malloc(sizeof(*fd));
257 krb5_set_error_message(context, ENOMEM,
258 N_("malloc: out of memory", ""));
261 fd->filename = filename;
264 fd->keep_open = keep_open;
266 return krb5_addlog_func(context, fac, min, max, log_file, close_file, fd);
271 krb5_error_code KRB5_LIB_FUNCTION
272 krb5_addlog_dest(krb5_context context, krb5_log_facility *f, const char *orig)
274 krb5_error_code ret = 0;
275 int min = 0, max = -1, n;
277 const char *p = orig;
279 n = sscanf(p, "%d%c%d/", &min, &c, &max);
293 krb5_set_error_message(context, HEIM_ERR_LOG_PARSE,
294 N_("failed to parse \"%s\"", ""), orig);
295 return HEIM_ERR_LOG_PARSE;
299 if(strcmp(p, "STDERR") == 0){
300 ret = open_file(context, f, min, max, NULL, NULL, stderr, 1);
301 }else if(strcmp(p, "CONSOLE") == 0){
302 ret = open_file(context, f, min, max, "/dev/console", "w", NULL, 0);
303 }else if(strncmp(p, "FILE", 4) == 0 && (p[4] == ':' || p[4] == '=')){
309 krb5_set_error_message(context, ENOMEM,
310 N_("malloc: out of memory", ""));
314 int i = open(fn, O_WRONLY | O_CREAT |
315 O_TRUNC | O_APPEND, 0666);
318 krb5_set_error_message(context, ret,
319 N_("open(%s) logile: %s", ""), fn,
325 file = fdopen(i, "a");
329 krb5_set_error_message(context, ret,
330 N_("fdopen(%s) logfile: %s", ""),
337 ret = open_file(context, f, min, max, fn, "a", file, keep_open);
338 }else if(strncmp(p, "DEVICE", 6) == 0 && (p[6] == ':' || p[6] == '=')){
339 ret = open_file(context, f, min, max, strdup(p + 7), "w", NULL, 0);
340 }else if(strncmp(p, "SYSLOG", 6) == 0 && (p[6] == '\0' || p[6] == ':')){
341 char severity[128] = "";
342 char facility[128] = "";
346 if(strsep_copy(&p, ":", severity, sizeof(severity)) != -1)
347 strsep_copy(&p, ":", facility, sizeof(facility));
348 if(*severity == '\0')
349 strlcpy(severity, "ERR", sizeof(severity));
350 if(*facility == '\0')
351 strlcpy(facility, "AUTH", sizeof(facility));
352 ret = open_syslog(context, f, min, max, severity, facility);
354 ret = HEIM_ERR_LOG_PARSE; /* XXX */
355 krb5_set_error_message (context, ret,
356 N_("unknown log type: %s", ""), p);
362 krb5_error_code KRB5_LIB_FUNCTION
363 krb5_openlog(krb5_context context,
365 krb5_log_facility **fac)
370 ret = krb5_initlog(context, program, fac);
374 p = krb5_config_get_strings(context, NULL, "logging", program, NULL);
376 p = krb5_config_get_strings(context, NULL, "logging", "default", NULL);
378 for(q = p; *q && ret == 0; q++)
379 ret = krb5_addlog_dest(context, *fac, *q);
380 krb5_config_free_strings(p);
382 ret = krb5_addlog_dest(context, *fac, "SYSLOG");
386 krb5_error_code KRB5_LIB_FUNCTION
387 krb5_closelog(krb5_context context,
388 krb5_log_facility *fac)
391 for(i = 0; i < fac->len; i++)
392 (*fac->val[i].close_func)(fac->val[i].data);
403 #define __attribute__(X)
405 krb5_error_code KRB5_LIB_FUNCTION
406 krb5_vlog_msg(krb5_context context,
407 krb5_log_facility *fac,
412 __attribute__((format (printf, 5, 0)))
416 const char *actual = NULL;
421 for(i = 0; fac && i < fac->len; i++)
422 if(fac->val[i].min <= level &&
423 (fac->val[i].max < 0 || fac->val[i].max >= level)) {
426 krb5_format_time(context, t, buf, sizeof(buf), TRUE);
429 vasprintf(&msg, fmt, ap);
435 (*fac->val[i].log_func)(buf, actual, fac->val[i].data);
444 krb5_error_code KRB5_LIB_FUNCTION
445 krb5_vlog(krb5_context context,
446 krb5_log_facility *fac,
450 __attribute__((format (printf, 4, 0)))
452 return krb5_vlog_msg(context, fac, NULL, level, fmt, ap);
455 krb5_error_code KRB5_LIB_FUNCTION
456 krb5_log_msg(krb5_context context,
457 krb5_log_facility *fac,
462 __attribute__((format (printf, 5, 6)))
468 ret = krb5_vlog_msg(context, fac, reply, level, fmt, ap);
474 krb5_error_code KRB5_LIB_FUNCTION
475 krb5_log(krb5_context context,
476 krb5_log_facility *fac,
480 __attribute__((format (printf, 4, 5)))
486 ret = krb5_vlog(context, fac, level, fmt, ap);