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
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "krb5_locl.h"
39 krb5_log_log_func_t log_func;
40 krb5_log_close_func_t close_func;
44 static struct facility*
45 log_realloc(krb5_log_facility *f)
48 fp = realloc(f->val, (f->len + 1) * sizeof(*f->val));
62 #define L(X) { #X, LOG_ ## X }
64 static struct s2i syslogvals[] = {
108 find_value(const char *s, struct s2i *table)
110 while(table->s && strcasecmp(table->s, s))
115 krb5_error_code KRB5_LIB_FUNCTION
116 krb5_initlog(krb5_context context,
118 krb5_log_facility **fac)
120 krb5_log_facility *f = calloc(1, sizeof(*f));
122 krb5_set_error_message(context, ENOMEM,
123 N_("malloc: out of memory", ""));
126 f->program = strdup(program);
127 if(f->program == NULL){
129 krb5_set_error_message(context, ENOMEM,
130 N_("malloc: out of memory", ""));
137 krb5_error_code KRB5_LIB_FUNCTION
138 krb5_addlog_func(krb5_context context,
139 krb5_log_facility *fac,
142 krb5_log_log_func_t log_func,
143 krb5_log_close_func_t close_func,
146 struct facility *fp = log_realloc(fac);
148 krb5_set_error_message(context, ENOMEM,
149 N_("malloc: out of memory", ""));
154 fp->log_func = log_func;
155 fp->close_func = close_func;
161 struct _heimdal_syslog_data{
166 log_syslog(const char *timestr,
171 struct _heimdal_syslog_data *s = data;
172 syslog(s->priority, "%s", msg);
176 close_syslog(void *data)
182 static krb5_error_code
183 open_syslog(krb5_context context,
184 krb5_log_facility *facility, int min, int max,
185 const char *sev, const char *fac)
187 struct _heimdal_syslog_data *sd = malloc(sizeof(*sd));
191 krb5_set_error_message(context, ENOMEM,
192 N_("malloc: out of memory", ""));
195 i = find_value(sev, syslogvals);
199 i = find_value(fac, syslogvals);
203 roken_openlog(facility->program, LOG_PID | LOG_NDELAY, i);
204 return krb5_addlog_func(context, facility, min, max,
205 log_syslog, close_syslog, sd);
209 const char *filename;
216 log_file(const char *timestr,
220 struct file_data *f = data;
221 if(f->keep_open == 0)
222 f->fd = fopen(f->filename, f->mode);
225 fprintf(f->fd, "%s %s\n", timestr, msg);
226 if(f->keep_open == 0) {
233 close_file(void *data)
235 struct file_data *f = data;
236 if(f->keep_open && f->filename)
241 static krb5_error_code
242 open_file(krb5_context context, krb5_log_facility *fac, int min, int max,
243 const char *filename, const char *mode, FILE *f, int keep_open)
245 struct file_data *fd = malloc(sizeof(*fd));
247 krb5_set_error_message(context, ENOMEM,
248 N_("malloc: out of memory", ""));
251 fd->filename = filename;
254 fd->keep_open = keep_open;
256 return krb5_addlog_func(context, fac, min, max, log_file, close_file, fd);
261 krb5_error_code KRB5_LIB_FUNCTION
262 krb5_addlog_dest(krb5_context context, krb5_log_facility *f, const char *orig)
264 krb5_error_code ret = 0;
265 int min = 0, max = -1, n;
267 const char *p = orig;
269 n = sscanf(p, "%d%c%d/", &min, &c, &max);
283 krb5_set_error_message(context, HEIM_ERR_LOG_PARSE,
284 N_("failed to parse \"%s\"", ""), orig);
285 return HEIM_ERR_LOG_PARSE;
289 if(strcmp(p, "STDERR") == 0){
290 ret = open_file(context, f, min, max, NULL, NULL, stderr, 1);
291 }else if(strcmp(p, "CONSOLE") == 0){
292 ret = open_file(context, f, min, max, "/dev/console", "w", NULL, 0);
293 }else if(strncmp(p, "FILE", 4) == 0 && (p[4] == ':' || p[4] == '=')){
299 krb5_set_error_message(context, ENOMEM,
300 N_("malloc: out of memory", ""));
304 int i = open(fn, O_WRONLY | O_CREAT |
305 O_TRUNC | O_APPEND, 0666);
308 krb5_set_error_message(context, ret,
309 N_("open(%s) logile: %s", ""), fn,
315 file = fdopen(i, "a");
319 krb5_set_error_message(context, ret,
320 N_("fdopen(%s) logfile: %s", ""),
327 ret = open_file(context, f, min, max, fn, "a", file, keep_open);
328 }else if(strncmp(p, "DEVICE", 6) == 0 && (p[6] == ':' || p[6] == '=')){
329 ret = open_file(context, f, min, max, strdup(p + 7), "w", NULL, 0);
330 }else if(strncmp(p, "SYSLOG", 6) == 0 && (p[6] == '\0' || p[6] == ':')){
331 char severity[128] = "";
332 char facility[128] = "";
336 if(strsep_copy(&p, ":", severity, sizeof(severity)) != -1)
337 strsep_copy(&p, ":", facility, sizeof(facility));
338 if(*severity == '\0')
339 strlcpy(severity, "ERR", sizeof(severity));
340 if(*facility == '\0')
341 strlcpy(facility, "AUTH", sizeof(facility));
342 ret = open_syslog(context, f, min, max, severity, facility);
344 ret = HEIM_ERR_LOG_PARSE; /* XXX */
345 krb5_set_error_message (context, ret,
346 N_("unknown log type: %s", ""), p);
352 krb5_error_code KRB5_LIB_FUNCTION
353 krb5_openlog(krb5_context context,
355 krb5_log_facility **fac)
360 ret = krb5_initlog(context, program, fac);
364 p = krb5_config_get_strings(context, NULL, "logging", program, NULL);
366 p = krb5_config_get_strings(context, NULL, "logging", "default", NULL);
368 for(q = p; *q && ret == 0; q++)
369 ret = krb5_addlog_dest(context, *fac, *q);
370 krb5_config_free_strings(p);
372 ret = krb5_addlog_dest(context, *fac, "SYSLOG");
376 krb5_error_code KRB5_LIB_FUNCTION
377 krb5_closelog(krb5_context context,
378 krb5_log_facility *fac)
381 for(i = 0; i < fac->len; i++)
382 (*fac->val[i].close_func)(fac->val[i].data);
393 #define __attribute__(X)
395 krb5_error_code KRB5_LIB_FUNCTION
396 krb5_vlog_msg(krb5_context context,
397 krb5_log_facility *fac,
402 __attribute__((format (printf, 5, 0)))
406 const char *actual = NULL;
411 for(i = 0; fac && i < fac->len; i++)
412 if(fac->val[i].min <= level &&
413 (fac->val[i].max < 0 || fac->val[i].max >= level)) {
416 krb5_format_time(context, t, buf, sizeof(buf), TRUE);
419 vasprintf(&msg, fmt, ap);
425 (*fac->val[i].log_func)(buf, actual, fac->val[i].data);
434 krb5_error_code KRB5_LIB_FUNCTION
435 krb5_vlog(krb5_context context,
436 krb5_log_facility *fac,
440 __attribute__((format (printf, 4, 0)))
442 return krb5_vlog_msg(context, fac, NULL, level, fmt, ap);
445 krb5_error_code KRB5_LIB_FUNCTION
446 krb5_log_msg(krb5_context context,
447 krb5_log_facility *fac,
452 __attribute__((format (printf, 5, 6)))
458 ret = krb5_vlog_msg(context, fac, reply, level, fmt, ap);
464 krb5_error_code KRB5_LIB_FUNCTION
465 krb5_log(krb5_context context,
466 krb5_log_facility *fac,
470 __attribute__((format (printf, 4, 5)))
476 ret = krb5_vlog(context, fac, level, fmt, ap);