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"
41 krb5_log_log_func_t log_func;
42 krb5_log_close_func_t close_func;
46 static struct facility*
47 log_realloc(krb5_log_facility *f)
50 fp = realloc(f->val, (f->len + 1) * sizeof(*f->val));
64 #define L(X) { #X, LOG_ ## X }
66 static struct s2i syslogvals[] = {
110 find_value(const char *s, struct s2i *table)
112 while(table->s && strcasecmp(table->s, s))
117 krb5_error_code KRB5_LIB_FUNCTION
118 krb5_initlog(krb5_context context,
120 krb5_log_facility **fac)
122 krb5_log_facility *f = calloc(1, sizeof(*f));
124 krb5_set_error_message(context, ENOMEM,
125 N_("malloc: out of memory", ""));
128 f->program = strdup(program);
129 if(f->program == NULL){
131 krb5_set_error_message(context, ENOMEM,
132 N_("malloc: out of memory", ""));
139 krb5_error_code KRB5_LIB_FUNCTION
140 krb5_addlog_func(krb5_context context,
141 krb5_log_facility *fac,
144 krb5_log_log_func_t log_func,
145 krb5_log_close_func_t close_func,
148 struct facility *fp = log_realloc(fac);
150 krb5_set_error_message(context, ENOMEM,
151 N_("malloc: out of memory", ""));
156 fp->log_func = log_func;
157 fp->close_func = close_func;
163 struct _heimdal_syslog_data{
168 log_syslog(const char *timestr,
173 struct _heimdal_syslog_data *s = data;
174 syslog(s->priority, "%s", msg);
178 close_syslog(void *data)
184 static krb5_error_code
185 open_syslog(krb5_context context,
186 krb5_log_facility *facility, int min, int max,
187 const char *sev, const char *fac)
189 struct _heimdal_syslog_data *sd = malloc(sizeof(*sd));
193 krb5_set_error_message(context, ENOMEM,
194 N_("malloc: out of memory", ""));
197 i = find_value(sev, syslogvals);
201 i = find_value(fac, syslogvals);
205 roken_openlog(facility->program, LOG_PID | LOG_NDELAY, i);
206 return krb5_addlog_func(context, facility, min, max,
207 log_syslog, close_syslog, sd);
211 const char *filename;
218 log_file(const char *timestr,
222 struct file_data *f = data;
223 if(f->keep_open == 0)
224 f->fd = fopen(f->filename, f->mode);
227 fprintf(f->fd, "%s %s\n", timestr, msg);
228 if(f->keep_open == 0) {
235 close_file(void *data)
237 struct file_data *f = data;
238 if(f->keep_open && f->filename)
243 static krb5_error_code
244 open_file(krb5_context context, krb5_log_facility *fac, int min, int max,
245 const char *filename, const char *mode, FILE *f, int keep_open)
247 struct file_data *fd = malloc(sizeof(*fd));
249 krb5_set_error_message(context, ENOMEM,
250 N_("malloc: out of memory", ""));
253 fd->filename = filename;
256 fd->keep_open = keep_open;
258 return krb5_addlog_func(context, fac, min, max, log_file, close_file, fd);
263 krb5_error_code KRB5_LIB_FUNCTION
264 krb5_addlog_dest(krb5_context context, krb5_log_facility *f, const char *orig)
266 krb5_error_code ret = 0;
267 int min = 0, max = -1, n;
269 const char *p = orig;
271 n = sscanf(p, "%d%c%d/", &min, &c, &max);
285 krb5_set_error_message(context, HEIM_ERR_LOG_PARSE,
286 N_("failed to parse \"%s\"", ""), orig);
287 return HEIM_ERR_LOG_PARSE;
291 if(strcmp(p, "STDERR") == 0){
292 ret = open_file(context, f, min, max, NULL, NULL, stderr, 1);
293 }else if(strcmp(p, "CONSOLE") == 0){
294 ret = open_file(context, f, min, max, "/dev/console", "w", NULL, 0);
295 }else if(strncmp(p, "FILE", 4) == 0 && (p[4] == ':' || p[4] == '=')){
301 krb5_set_error_message(context, ENOMEM,
302 N_("malloc: out of memory", ""));
306 int i = open(fn, O_WRONLY | O_CREAT |
307 O_TRUNC | O_APPEND, 0666);
310 krb5_set_error_message(context, ret,
311 N_("open(%s) logile: %s", ""), fn,
317 file = fdopen(i, "a");
321 krb5_set_error_message(context, ret,
322 N_("fdopen(%s) logfile: %s", ""),
329 ret = open_file(context, f, min, max, fn, "a", file, keep_open);
330 }else if(strncmp(p, "DEVICE", 6) == 0 && (p[6] == ':' || p[6] == '=')){
331 ret = open_file(context, f, min, max, strdup(p + 7), "w", NULL, 0);
332 }else if(strncmp(p, "SYSLOG", 6) == 0 && (p[6] == '\0' || p[6] == ':')){
333 char severity[128] = "";
334 char facility[128] = "";
338 if(strsep_copy(&p, ":", severity, sizeof(severity)) != -1)
339 strsep_copy(&p, ":", facility, sizeof(facility));
340 if(*severity == '\0')
341 strlcpy(severity, "ERR", sizeof(severity));
342 if(*facility == '\0')
343 strlcpy(facility, "AUTH", sizeof(facility));
344 ret = open_syslog(context, f, min, max, severity, facility);
346 ret = HEIM_ERR_LOG_PARSE; /* XXX */
347 krb5_set_error_message (context, ret,
348 N_("unknown log type: %s", ""), p);
354 krb5_error_code KRB5_LIB_FUNCTION
355 krb5_openlog(krb5_context context,
357 krb5_log_facility **fac)
362 ret = krb5_initlog(context, program, fac);
366 p = krb5_config_get_strings(context, NULL, "logging", program, NULL);
368 p = krb5_config_get_strings(context, NULL, "logging", "default", NULL);
370 for(q = p; *q && ret == 0; q++)
371 ret = krb5_addlog_dest(context, *fac, *q);
372 krb5_config_free_strings(p);
374 ret = krb5_addlog_dest(context, *fac, "SYSLOG");
378 krb5_error_code KRB5_LIB_FUNCTION
379 krb5_closelog(krb5_context context,
380 krb5_log_facility *fac)
383 for(i = 0; i < fac->len; i++)
384 (*fac->val[i].close_func)(fac->val[i].data);
395 #define __attribute__(X)
397 krb5_error_code KRB5_LIB_FUNCTION
398 krb5_vlog_msg(krb5_context context,
399 krb5_log_facility *fac,
404 __attribute__((format (printf, 5, 0)))
408 const char *actual = NULL;
413 for(i = 0; fac && i < fac->len; i++)
414 if(fac->val[i].min <= level &&
415 (fac->val[i].max < 0 || fac->val[i].max >= level)) {
418 krb5_format_time(context, t, buf, sizeof(buf), TRUE);
421 vasprintf(&msg, fmt, ap);
427 (*fac->val[i].log_func)(buf, actual, fac->val[i].data);
436 krb5_error_code KRB5_LIB_FUNCTION
437 krb5_vlog(krb5_context context,
438 krb5_log_facility *fac,
442 __attribute__((format (printf, 4, 0)))
444 return krb5_vlog_msg(context, fac, NULL, level, fmt, ap);
447 krb5_error_code KRB5_LIB_FUNCTION
448 krb5_log_msg(krb5_context context,
449 krb5_log_facility *fac,
454 __attribute__((format (printf, 5, 6)))
460 ret = krb5_vlog_msg(context, fac, reply, level, fmt, ap);
466 krb5_error_code KRB5_LIB_FUNCTION
467 krb5_log(krb5_context context,
468 krb5_log_facility *fac,
472 __attribute__((format (printf, 4, 5)))
478 ret = krb5_vlog(context, fac, level, fmt, ap);