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
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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, "malloc: out of memory");
127 f->program = strdup(program);
128 if(f->program == NULL){
130 krb5_set_error_message(context, ENOMEM, "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, "malloc: out of memory");
153 fp->log_func = log_func;
154 fp->close_func = close_func;
160 struct _heimdal_syslog_data{
165 log_syslog(const char *timestr,
170 struct _heimdal_syslog_data *s = data;
171 syslog(s->priority, "%s", msg);
175 close_syslog(void *data)
181 static krb5_error_code
182 open_syslog(krb5_context context,
183 krb5_log_facility *facility, int min, int max,
184 const char *sev, const char *fac)
186 struct _heimdal_syslog_data *sd = malloc(sizeof(*sd));
190 krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
193 i = find_value(sev, syslogvals);
197 i = find_value(fac, syslogvals);
201 roken_openlog(facility->program, LOG_PID | LOG_NDELAY, i);
202 return krb5_addlog_func(context, facility, min, max,
203 log_syslog, close_syslog, sd);
207 const char *filename;
214 log_file(const char *timestr,
218 struct file_data *f = data;
219 if(f->keep_open == 0)
220 f->fd = fopen(f->filename, f->mode);
223 fprintf(f->fd, "%s %s\n", timestr, msg);
224 if(f->keep_open == 0) {
231 close_file(void *data)
233 struct file_data *f = data;
234 if(f->keep_open && f->filename)
239 static krb5_error_code
240 open_file(krb5_context context, krb5_log_facility *fac, int min, int max,
241 const char *filename, const char *mode, FILE *f, int keep_open)
243 struct file_data *fd = malloc(sizeof(*fd));
245 krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
248 fd->filename = filename;
251 fd->keep_open = keep_open;
253 return krb5_addlog_func(context, fac, min, max, log_file, close_file, fd);
258 krb5_error_code KRB5_LIB_FUNCTION
259 krb5_addlog_dest(krb5_context context, krb5_log_facility *f, const char *orig)
261 krb5_error_code ret = 0;
262 int min = 0, max = -1, n;
264 const char *p = orig;
266 n = sscanf(p, "%d%c%d/", &min, &c, &max);
280 krb5_set_error_message(context, HEIM_ERR_LOG_PARSE,
281 "failed to parse \"%s\"", orig);
282 return HEIM_ERR_LOG_PARSE;
286 if(strcmp(p, "STDERR") == 0){
287 ret = open_file(context, f, min, max, NULL, NULL, stderr, 1);
288 }else if(strcmp(p, "CONSOLE") == 0){
289 ret = open_file(context, f, min, max, "/dev/console", "w", NULL, 0);
290 }else if(strncmp(p, "FILE", 4) == 0 && (p[4] == ':' || p[4] == '=')){
296 krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
300 int i = open(fn, O_WRONLY | O_CREAT |
301 O_TRUNC | O_APPEND, 0666);
304 krb5_set_error_message(context, ret, "open(%s): %s", fn,
310 file = fdopen(i, "a");
314 krb5_set_error_message(context, ret, "fdopen(%s): %s", fn,
321 ret = open_file(context, f, min, max, fn, "a", file, keep_open);
322 }else if(strncmp(p, "DEVICE", 6) == 0 && (p[6] == ':' || p[6] == '=')){
323 ret = open_file(context, f, min, max, strdup(p + 7), "w", NULL, 0);
324 }else if(strncmp(p, "SYSLOG", 6) == 0 && (p[6] == '\0' || p[6] == ':')){
325 char severity[128] = "";
326 char facility[128] = "";
330 if(strsep_copy(&p, ":", severity, sizeof(severity)) != -1)
331 strsep_copy(&p, ":", facility, sizeof(facility));
332 if(*severity == '\0')
333 strlcpy(severity, "ERR", sizeof(severity));
334 if(*facility == '\0')
335 strlcpy(facility, "AUTH", sizeof(facility));
336 ret = open_syslog(context, f, min, max, severity, facility);
338 ret = HEIM_ERR_LOG_PARSE; /* XXX */
339 krb5_set_error_message (context, ret, "unknown log type: %s", p);
345 krb5_error_code KRB5_LIB_FUNCTION
346 krb5_openlog(krb5_context context,
348 krb5_log_facility **fac)
353 ret = krb5_initlog(context, program, fac);
357 p = krb5_config_get_strings(context, NULL, "logging", program, NULL);
359 p = krb5_config_get_strings(context, NULL, "logging", "default", NULL);
361 for(q = p; *q && ret == 0; q++)
362 ret = krb5_addlog_dest(context, *fac, *q);
363 krb5_config_free_strings(p);
365 ret = krb5_addlog_dest(context, *fac, "SYSLOG");
369 krb5_error_code KRB5_LIB_FUNCTION
370 krb5_closelog(krb5_context context,
371 krb5_log_facility *fac)
374 for(i = 0; i < fac->len; i++)
375 (*fac->val[i].close_func)(fac->val[i].data);
386 #define __attribute__(X)
388 krb5_error_code KRB5_LIB_FUNCTION
389 krb5_vlog_msg(krb5_context context,
390 krb5_log_facility *fac,
395 __attribute__((format (printf, 5, 0)))
399 const char *actual = NULL;
404 for(i = 0; fac && i < fac->len; i++)
405 if(fac->val[i].min <= level &&
406 (fac->val[i].max < 0 || fac->val[i].max >= level)) {
409 krb5_format_time(context, t, buf, sizeof(buf), TRUE);
412 vasprintf(&msg, fmt, ap);
418 (*fac->val[i].log_func)(buf, actual, fac->val[i].data);
427 krb5_error_code KRB5_LIB_FUNCTION
428 krb5_vlog(krb5_context context,
429 krb5_log_facility *fac,
433 __attribute__((format (printf, 4, 0)))
435 return krb5_vlog_msg(context, fac, NULL, level, fmt, ap);
438 krb5_error_code KRB5_LIB_FUNCTION
439 krb5_log_msg(krb5_context context,
440 krb5_log_facility *fac,
445 __attribute__((format (printf, 5, 6)))
451 ret = krb5_vlog_msg(context, fac, reply, level, fmt, ap);
457 krb5_error_code KRB5_LIB_FUNCTION
458 krb5_log(krb5_context context,
459 krb5_log_facility *fac,
463 __attribute__((format (printf, 4, 5)))
469 ret = krb5_vlog(context, fac, level, fmt, ap);