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source: trunk/src/sh_error.c@ 367

Last change on this file since 367 was 352, checked in by katerina, 13 years ago
Fix ticket #257 (error message may contain uninitialized string).
File size: 41.1 KB

Line
1	/* SAMHAIN file system integrity testing */
2	/* Copyright (C) 1999, 2000 Rainer Wichmann */
3	/* */
4	/* This program is free software; you can redistribute it */
5	/* and/or modify */
6	/* it under the terms of the GNU General Public License as */
7	/* published by */
8	/* the Free Software Foundation; either version 2 of the License, or */
9	/* (at your option) any later version. */
10	/* */
11	/* This program is distributed in the hope that it will be useful, */
12	/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
13	/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
14	/* GNU General Public License for more details. */
15	/* */
16	/* You should have received a copy of the GNU General Public License */
17	/* along with this program; if not, write to the Free Software */
18	/* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20	#include "config_xor.h"
21
22	/* Required on Linux to get the correct strerror_r function. Also
23	* for recursive mutexes (_XOPEN_SOURCE >= 500). Gives funny error
24	* on Solaris 10/gcc ('c99' compiler required - huh? Isn't gcc
25	* good enough?).
26	*/
27	#if !defined(__sun__) && !defined(__sun)
28	#define _XOPEN_SOURCE 600
29	#undef _GNU_SOURCE
30	#endif
31	#include <string.h>
32	#include <stdio.h>
33	#include <stdlib.h>
34	#include <stdarg.h>
35	#include <ctype.h>
36	#include <limits.h>
37	#include <errno.h>
38
39	/* Required on FreeBSD
40	*/
41	#include <sys/types.h>
42
43	#ifdef HAVE_MEMORY_H
44	#include <memory.h>
45	#endif
46
47	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
48	#include <sys/mman.h>
49	#endif
50
51
52
53	#include "samhain.h"
54
55	#include "sh_cat.h"
56	#include "sh_database.h"
57	#include "sh_error.h"
58	#include "sh_utils.h"
59	#include "sh_unix.h"
60	#include "sh_tiger.h"
61	#include "sh_nmail.h"
62	#include "sh_forward.h"
63	#include "sh_prelude.h"
64	#include "sh_pthread.h"
65
66	#if defined(WITH_DATABASE)
67	#include "sh_tools.h"
68	#endif
69
70	#if defined(WITH_EXTERNAL)
71	#include "sh_extern.h"
72	#endif
73
74	#undef FIL__
75	#define FIL__ _("sh_error.c")
76	/@-noret -compmempass@/
77	extern int clt_class;
78
79	int flag_err_debug = SL_FALSE;
80	int flag_err_info = SL_FALSE;
81
82	int ShDFLevel[SH_ERR_T_END];
83
84	typedef struct _log_t {
85	char file[SH_PATHBUF];
86	char format[SH_PATHBUF];
87	/@null@/char * msg;
88	size_t msg_len;
89	int severity;
90	int class;
91	int pid;
92	long status;
93	long line;
94	char timestamp[TIM_MAX];
95	} sh_log_t;
96
97
98	struct _errFlags errFlags;
99
100	static int sh_error_init (void);
101
102	/@owned@//@null@/inline
103	static char * get_format(unsigned long msg_id, /@out@/int * priority,
104	/@out@/unsigned int * class);
105
106	static int sh_error_string (struct _log_t * lmsg, va_list vl);
107
108	extern int sh_log_console (/@null@/const char *message);
109	extern int sh_log_syslog (int severity, /@null@/char *message);
110	extern int sh_log_file (/@null@/char *message,
111	/@null@/char * inet_peer);
112	/* convert a string to a numeric priority
113	*/
114	int sh_error_convert_level (const char * str_s);
115
116	static int IsInitialized = BAD;
117
118	/* --- Only log to stderr. ---
119	*/
120	int OnlyStderr = S_TRUE;
121
122	/* --- Enable facilities not safe for closeall(). ---
123	*/
124	int enableUnsafe = S_FALSE;
125
126	/*********************************************
127	* utility functions for verifying entries
128	*********************************************/
129
130	int sh_error_verify (const char * s)
131	{
132	char * foo;
133	char hashbuf[KEYBUF_SIZE];
134
135	if (s[0] == '/')
136	{
137	foo = sh_tiger_hash_gpg (s, TIGER_FILE, TIGER_NOLIM);
138	fprintf (stdout, _("%s\n"), foo);
139	SH_FREE(foo);
140	}
141	else
142	{
143	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
144	s, sh_tiger_hash (s, TIGER_DATA,
145	(unsigned long) sl_strlen(s),
146	hashbuf, sizeof(hashbuf))
147	);
148	}
149	(void) fflush(stdout);
150	_exit (EXIT_SUCCESS);
151	/@i@/return 0;
152	}
153
154
155
156	/*********************************************
157	* end utility functions
158	*********************************************/
159
160	void sh_error_only_stderr (int flag)
161	{
162	OnlyStderr = flag;
163	return;
164	}
165
166	void sh_error_enable_unsafe (int flag)
167	{
168	enableUnsafe = flag;
169	return;
170	}
171
172	static int dbg_store = 0;
173	static int dbg_flag = 0;
174
175	static
176	void compute_flag_err_debug(void)
177	{
178	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
179	flag_err_debug = SL_TRUE;
180	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
181	flag_err_debug = SL_TRUE;
182	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
183	flag_err_debug = SL_TRUE;
184	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
185	flag_err_debug = SL_TRUE;
186	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
187	flag_err_debug = SL_TRUE;
188	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
189	flag_err_debug = SL_TRUE;
190	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
191	flag_err_debug = SL_TRUE;
192	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
193	flag_err_debug = SL_TRUE;
194	else
195	flag_err_debug = SL_FALSE;
196	return;
197	}
198
199	static
200	void compute_flag_err_info(void)
201	{
202	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
203	flag_err_info = SL_TRUE;
204	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
205	flag_err_info = SL_TRUE;
206	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
207	flag_err_info = SL_TRUE;
208	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
209	flag_err_info = SL_TRUE;
210	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
211	flag_err_info = SL_TRUE;
212	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
213	flag_err_info = SL_TRUE;
214	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
215	flag_err_info = SL_TRUE;
216	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
217	flag_err_info = SL_TRUE;
218	else
219	flag_err_info = SL_FALSE;
220	return;
221	}
222
223	void sh_error_dbg_switch(void)
224	{
225	if (dbg_flag == 0)
226	{
227	dbg_store = errFlags.printlevel;
228	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
229	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
230	SH_ERR_SEVERE \| SH_ERR_FATAL);
231	dbg_flag = 1;
232	flag_err_debug = SL_TRUE;
233	}
234	else {
235	errFlags.printlevel = dbg_store;
236	dbg_store = 0;
237	dbg_flag = 0;
238	compute_flag_err_debug();
239	}
240	return;
241	}
242
243	static int sh_error_set_classmask (const char * str, int * facility_mask)
244	{
245	char * p;
246	int num = 0;
247	unsigned int i;
248	size_t len;
249	char * c;
250
251	SL_ENTER(_("sh_error_set_classmask"));
252
253	if (str == NULL)
254	SL_RETURN( -1, _("sh_error_set_classmask"));
255
256	if (IsInitialized == BAD)
257	(void) sh_error_init();
258
259	if (str[0] == (char) 34)
260	++str;
261	len = strlen(str);
262
263	c = SH_ALLOC(len+1);
264	sl_strlcpy(c, str, len+1);
265
266	if (c[len-1] == (char) 34)
267	c[len-1] = '\0';
268
269	*facility_mask = 0;
270
271	do {
272	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
273	char * saveptr;
274	if (num == 0) {
275	p = strtok_r (c, " ,\t", &saveptr);
276	++num;
277	} else {
278	p = strtok_r (NULL, " ,\t", &saveptr);
279	}
280	#else
281	if (num == 0) {
282	p = strtok (c, " ,\t");
283	++num;
284	} else {
285	p = strtok (NULL, " ,\t");
286	}
287	#endif
288
289	if (p == NULL)
290	break;
291
292	for (i = 0; i < SH_CLA_MAX; ++i)
293	{
294	if (i < SH_CLA_RAW_MAX) {
295	if (0 == strcmp(p, _(class_cat[i])))
296	*facility_mask \|= (1 << i);
297	} else {
298	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
299	*facility_mask \|= OTHER_CLA;
300	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
301	*facility_mask \|= RUN_NEW;
302	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
303	*facility_mask \|= FIL_NEW;
304	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
305	*facility_mask \|= ERROR_CLA;
306	}
307	}
308
309	} while (p);
310
311	SH_FREE(c);
312	SL_RETURN( 0, _("sh_error_set_classmask"));
313	}
314
315	int sh_error_log_mask (const char * c)
316	{
317	return (sh_error_set_classmask(c, &(errFlags.log_class)));
318	}
319	int sh_error_mail_mask (const char * c)
320	{
321	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
322	}
323	int sh_error_print_mask (const char * c)
324	{
325	return (sh_error_set_classmask(c, &(errFlags.print_class)));
326	}
327	int sh_error_export_mask (const char * c)
328	{
329	return (sh_error_set_classmask(c, &(errFlags.export_class)));
330	}
331	int sh_error_syslog_mask (const char * c)
332	{
333	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
334	}
335	int sh_error_external_mask (const char * c)
336	{
337	return (sh_error_set_classmask(c, &(errFlags.external_class)));
338	}
339	int sh_error_database_mask (const char * c)
340	{
341	return (sh_error_set_classmask(c, &(errFlags.database_class)));
342	}
343	int sh_error_prelude_mask (const char * c)
344	{
345	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
346	}
347
348
349
350	char * sh_error_message (int tellme, char * str, size_t len)
351	{
352
353	#if defined(HAVE_STRERROR_R)
354	if (len > 0) str[0] = '\0';
355	strerror_r(tellme, str, len);
356	return str;
357	#elif defined(HAVE_STRERROR)
358	sl_strlcpy(str, strerror(tellme), len);
359	return str;
360	#else
361
362	char *p = NULL;
363	#ifdef EACCES
364	if (tellme == EACCES) p = _("Permission denied.");
365	#endif
366	#ifdef EAGAIN
367	if (tellme == EAGAIN) p = _("Try again.");
368	#endif
369	#ifdef EBADF
370	if (tellme == EBADF) p = _("File descriptor in bad state.");
371	#endif
372	#ifdef EEXIST
373	if (tellme == EEXIST) p = _("File exists.");
374	#endif
375	#ifdef EFAULT
376	if (tellme == EFAULT) p = _("Bad address.");
377	#endif
378	#ifdef EINVAL
379	if (tellme == EINVAL) p = _("Invalid argument.");
380	#endif
381	#ifdef EISDIR
382	if (tellme == EISDIR) p = _("Is a directory.");
383	#endif
384	#ifdef EINTR
385	if (tellme == EINTR) p = _("System call was interrupted.");
386	#endif
387	#ifdef EIO
388	if (tellme == EIO) p = _("Low-level I/O error.");
389	#endif
390	#ifdef ELOOP
391	if (tellme == ELOOP) p = _("Too many symbolic links encountered.");
392	#endif
393	#ifdef EMFILE
394	if (tellme == EMFILE) p = _("Too many open files.");
395	#endif
396	#ifdef EMLINK
397	if (tellme == EMLINK) p = _("Too many links.");
398	#endif
399	#ifdef ENAMETOOLONG
400	if (tellme == ENAMETOOLONG)
401	p = _("File name too long.");
402	#endif
403	#ifdef ENFILE
404	if (tellme == ENFILE) p = _("File table overflow.");
405	#endif
406	#ifdef ENOENT
407	if (tellme == ENOENT) p = _("File does not exist.");
408	#endif
409	#ifdef ENOMEM
410	if (tellme == ENOMEM) p = _("Out of memory.");
411	#endif
412	#ifdef ENOSPC
413	if (tellme == ENOSPC) p = _("No space on device.");
414	#endif
415	#ifdef ENOTDIR
416	if (tellme == ENOTDIR) p = _("Not a directory.");
417	#endif
418	#ifdef ENOTSOCK
419	if (tellme == ENOTSOCK) p = _("Not a socket.");
420	#endif
421	#ifdef EOPNOTSUPP
422	if (tellme == EOPNOTSUPP) p = _("Socket is not of type SOCK_STREAM.");
423	#endif
424	#ifdef EPERM
425	if (tellme == EPERM) p = _("Permission denied.");
426	#endif
427	#ifdef EPIPE
428	if (tellme == EPIPE) p = _("No read on pipe.");
429	#endif
430	#ifdef EROFS
431	if (tellme == EROFS) p = _("Read-only file system.");
432	#endif
433	#ifdef ETXTBSY
434	if (tellme == ETXTBSY) p = _("Text file busy.");
435	#endif
436	#ifdef EWOULDBLOCK
437	if (tellme == EWOULDBLOCK)
438	p = _("No connections on non-blocking socket.");
439	#endif
440	#ifdef EXDEV
441	if (tellme == EXDEV) p = _("Not on same file system.");
442	#endif
443	if (!p) p = _("Unknown error");
444	sl_strlcpy(str, p, len);
445	return str;
446	#endif /* ifndef HAVE_STRERROR */
447	}
448
449
450	/* switch off file log
451	*/
452	void sh_error_logoff()
453	{
454	errFlags.HaveLog = BAD;
455	return;
456	}
457
458	/* switch on file log
459	*/
460	void sh_error_logrestore()
461	{
462	errFlags.HaveLog = GOOD;
463	return;
464	}
465
466	/* --- Relate priority levels to literals. ---
467	*/
468	typedef struct eef
469	{
470	const char * str;
471	int val;
472	} eef_struc;
473
474	static eef_struc eef_tab[] =
475	{
476	{ N_("none"), SH_ERR_NOT },
477	{ N_("debug"), SH_ERR_ALL },
478	{ N_("info"), SH_ERR_INFO },
479	{ N_("notice"), SH_ERR_NOTICE },
480	{ N_("warn"), SH_ERR_WARN },
481	{ N_("mark"), SH_ERR_STAMP },
482	{ N_("err"), SH_ERR_ERR },
483	{ N_("crit"), SH_ERR_SEVERE },
484	{ N_("alert"), SH_ERR_FATAL },
485	#if defined(SH_WITH_SERVER)
486	#define SH_EEF_MAX 10
487	{ N_("inet"), SH_ERR_INET },
488	#else
489	#define SH_EEF_MAX 9
490	#endif
491	};
492
493	int sh_error_convert_level (const char * str_s)
494	{
495	int i;
496	int level = (-1);
497
498	SL_ENTER(_("sh_error_convert_level"));
499
500	if (str_s == NULL)
501	SL_RETURN( -1, _("sh_error_convert_level"));
502
503	for (i = 0; i < SH_EEF_MAX; ++i)
504	{
505	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
506	sl_strlen(eef_tab[i].str)))
507	{
508	level = eef_tab[i].val;
509	break;
510	}
511	}
512
513	SL_RETURN( level, _("sh_error_convert_level"));
514	}
515
516
517	/* --- Set severity levels. ---
518	*/
519	int sh_error_set_iv (int iv, const char * str_s)
520	{
521	int level = (-1);
522
523	SL_ENTER(_("sh_error_set_iv"));
524
525	if (IsInitialized == BAD)
526	(void) sh_error_init();
527
528	level = sh_error_convert_level (str_s);
529
530	if (level == (-1))
531	{
532	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
533	_("severity"),
534	str_s != NULL ? str_s : _("(NULL)"));
535	SL_RETURN (-1, _("sh_error_set_iv"));
536	}
537
538	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
539	{
540	ShDFLevel[iv] = level;
541	}
542	else
543	{
544	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
545	_("severity"), (long) iv);
546	SL_RETURN (-1, _("sh_error_set_iv"));
547	}
548	SL_RETURN (0, _("sh_error_set_iv"));
549	}
550
551	int sh_error_set_level(const char * str_in, int * facility)
552	{
553	register int i, j, f = BAD;
554
555	int old_facility;
556	const char * str_s = str_in;
557
558	SL_ENTER(_("sh_error_set_level"));
559
560	if (IsInitialized == BAD)
561	(void) sh_error_init();
562
563	old_facility = *facility;
564	*facility = 0;
565
566	checkstr:
567
568	if (str_s != NULL)
569	{
570	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
571	{
572	facility \|= eef_tab[0].val; / This is 'none' */
573	for (i = 1; i < SH_EEF_MAX; ++i)
574	*facility &= ~eef_tab[i].val;
575	f = GOOD;
576	}
577	else if (str_s[0] == '') / all */
578	{
579	for (i = 1; i < SH_EEF_MAX; ++i)
580	*facility \|= eef_tab[i].val;
581	f = GOOD;
582	}
583	else if (str_s[0] == '=')
584	{
585	for (i = 1; i < SH_EEF_MAX; ++i)
586	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
587	sl_strlen(eef_tab[i].str)))
588	{
589	*facility \|= eef_tab[i].val;
590	f = GOOD;
591	}
592	}
593	else if (str_s[0] == '!')
594	{
595	if (str_s[1] == '*' \|\|
596	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
597	sl_strlen(eef_tab[1].str)))
598	{
599	facility \|= eef_tab[0].val; / This is 'none' */
600	for (i = 1; i < SH_EEF_MAX; ++i)
601	*facility &= ~eef_tab[i].val;
602	f = GOOD;
603	}
604	else if (str_s[1] == '=')
605	{
606	for (i = 1; i < SH_EEF_MAX; ++i)
607	{
608	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
609	sl_strlen(eef_tab[i].str)))
610	{
611	*facility &= ~eef_tab[i].val;
612	f = GOOD;
613	}
614	}
615	}
616	else
617	{
618	for (i = 1; i < SH_EEF_MAX; ++i)
619	{
620	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
621	sl_strlen(eef_tab[i].str)))
622	{
623	for (j = i; j < SH_EEF_MAX; ++j)
624	{
625	*facility &= ~eef_tab[j].val;
626	}
627	f = GOOD;
628	}
629	}
630	}
631	}
632	else /* plain severity name */
633	{
634	for (i = 1; i < SH_EEF_MAX; ++i)
635	{
636	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
637	sl_strlen(eef_tab[i].str)))
638	{
639	for (j = i; j < SH_EEF_MAX; ++j)
640	{
641	*facility \|= eef_tab[j].val;
642	}
643	f = GOOD;
644	break;
645	}
646	}
647	}
648	}
649
650	/* skip to end of string
651	*/
652	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
653	str_s != ' ' && str_s != '\t')
654	++str_s;
655
656	/* skip seperator
657	*/
658	while ((*str_s != '\0') &&
659	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
660	++str_s;
661
662	if (*str_s != '\0')
663	{
664	f = BAD;
665	goto checkstr;
666	}
667
668	if (f == BAD)
669	{
670	*facility = old_facility;
671	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
672	_("priority"), str_in);
673	SL_RETURN (-1, _("sh_error_set_level"));
674	}
675	compute_flag_err_debug();
676	compute_flag_err_info();
677	SL_RETURN (0, _("sh_error_set_level"));
678	}
679
680	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
681	/* set severity for TCP export
682	*/
683	int sh_error_setexport(const char * str_s)
684	{
685	static int reject = 0;
686	if (reject == 1)
687	return (0);
688
689	if (sh.flag.opts == S_TRUE)
690	reject = 1;
691
692	return (sh_error_set_level(str_s, &errFlags.exportlevel));
693	}
694	#endif
695
696	/* set severity for printing
697	*/
698	extern void dlog_set_active(int flag);
699
700	int sh_error_setprint(const char * str_s)
701	{
702	static int reject = 0;
703	int retval;
704
705	if (reject == 1)
706	return (0);
707
708	if (sh.flag.opts == S_TRUE)
709	reject = 1;
710
711	retval = sh_error_set_level(str_s, &errFlags.printlevel);
712
713	if (0 != (errFlags.printlevel & SH_ERR_INFO))
714	dlog_set_active(1);
715	if (0 != (errFlags.printlevel & SH_ERR_ALL))
716	dlog_set_active(2);
717	return retval;
718	}
719
720
721	/* set level for error logging
722	*/
723	int sh_error_setlog(const char * str_s)
724	{
725	static int reject = 0;
726	if (reject == 1)
727	return (0);
728
729	if (sh.flag.opts == S_TRUE)
730	reject = 1;
731
732	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
733	}
734
735
736	/* set severity for syslog
737	*/
738	int sh_error_set_syslog (const char * str_s)
739	{
740	static int reject = 0;
741	if (reject == 1)
742	return (0);
743
744	if (sh.flag.opts == S_TRUE)
745	reject = 1;
746
747	return (sh_error_set_level(str_s, &errFlags.sysloglevel));
748	}
749
750	#if defined(WITH_EXTERNAL)
751	/* set severity for external
752	*/
753	int sh_error_set_external (const char * str_s)
754	{
755	static int reject = 0;
756	if (reject == 1)
757	return (0);
758
759	if (sh.flag.opts == S_TRUE)
760	reject = 1;
761
762	return (sh_error_set_level(str_s, &errFlags.externallevel));
763	}
764	#endif
765
766	#if defined(WITH_DATABASE)
767	/* set severity for database
768	*/
769	int sh_error_set_database (const char * str_s)
770	{
771	static int reject = 0;
772	if (reject == 1)
773	return (0);
774
775	if (sh.flag.opts == S_TRUE)
776	reject = 1;
777
778	return (sh_error_set_level(str_s, &errFlags.databaselevel));
779	}
780	#endif
781
782	#if defined(HAVE_LIBPRELUDE)
783	/* set severity for prelude
784	*/
785	int sh_error_set_prelude (const char * str_s)
786	{
787	static int reject = 0;
788
789	if (reject == 1)
790	return (0);
791
792	if (sh.flag.opts == S_TRUE)
793	reject = 1;
794
795	return sh_error_set_level(str_s, &errFlags.preludelevel);
796	}
797	#endif
798
799	/* init or re-init log facilities that need it
800	*/
801	void sh_error_fixup(void)
802	{
803	#if defined(HAVE_LIBPRELUDE)
804	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
805	sh_prelude_init();
806	else
807	sh_prelude_stop();
808	#endif
809	#ifdef WITH_DATABASE
810	sh_database_reset();
811	#endif
812	return;
813	}
814
815	/* to be called from sh_prelude_reset
816	*/
817	void sh_error_init_prelude(void)
818	{
819	#if defined(HAVE_LIBPRELUDE)
820	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
821	sh_prelude_init();
822	else
823	sh_prelude_stop();
824	#endif
825	return;
826	}
827
828
829	/* set severity for mailing
830	*/
831	int sh_error_setseverity (const char * str_s)
832	{
833	static int reject = 0;
834	if (reject == 1)
835	return (0);
836
837	if (sh.flag.opts == S_TRUE)
838	reject = 1;
839
840	return (sh_error_set_level(str_s, &errFlags.maillevel));
841	}
842
843	#ifdef SH_WITH_SERVER
844	static char inet_peer[SH_MINIBUF] = { '\0' };
845	#ifdef HAVE_LIBPRELUDE
846	static char inet_peer_ip[SH_IP_BUF] = { '\0' };
847
848	void sh_error_set_peer_ip(const char * str)
849	{
850	if (str == NULL)
851	inet_peer_ip[0] = '\0';
852	else
853	sl_strlcpy(inet_peer_ip, str, sizeof(inet_peer_ip));
854	}
855	#endif
856
857	void sh_error_set_peer(const char * str)
858	{
859	if (str == NULL)
860	inet_peer[0] = '\0';
861	else
862	sl_strlcpy(inet_peer, str, sizeof(inet_peer));
863	}
864	#endif
865
866
867	/**********************************************************
868	**********************************************************
869	*
870	* -------- MAIN ERROR HANDLING FUNCTION -----------------
871	*
872	*
873	* this function should be called to report an error
874	*
875	**********************************************************
876	**********************************************************/
877
878	SH_MUTEX_RECURSIVE(mutex_err_handle);
879
880	void sh_error_handle (int sev, const char * file, long line,
881	long status, unsigned long msg_id, ...)
882	{
883	va_list vl; /* argument list */
884	struct _log_t * lmsg;
885
886	int severity;
887	unsigned int class;
888	char * fmt;
889
890	int flag_inet;
891
892	#ifdef SH_WITH_SERVER
893	int class_inet = clt_class; /* initialize from global */
894	char local_inet_peer[SH_MINIBUF];
895	#ifdef HAVE_LIBPRELUDE
896	char local_inet_peer_ip[SH_IP_BUF];
897	#endif
898	#endif
899
900	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
901	char * ex_msg;
902	#endif
903	#if defined(WITH_DATABASE)
904	char * escape_msg;
905	#endif
906
907	static int own_block = 0;
908
909	/*
910	* Block a facility for errors generated
911	* within that facility.
912	*/
913	static int print_block = 0;
914	#if defined(SH_WITH_MAIL)
915	static int mail_block = 0;
916	#endif
917	static int syslog_block = 0;
918	static int log_block = 0;
919	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
920	static int export_block = 0;
921	#endif
922	#if defined(WITH_EXTERNAL)
923	static int external_block = 0;
924	#endif
925	#if defined(WITH_DATABASE)
926	static int database_block = 0;
927	#endif
928	#ifdef HAVE_LIBPRELUDE
929	static int prelude_block = 0;
930	#endif
931
932	SL_ENTER(_("sh_error_handle"));
933
934	SH_MUTEX_RECURSIVE_INIT(mutex_err_handle);
935	SH_MUTEX_RECURSIVE_LOCK(mutex_err_handle);
936
937	#ifdef SH_WITH_SERVER
938	/* copy the global string into a local array
939	*/
940	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
941	{
942	sl_strlcpy(local_inet_peer, inet_peer, sizeof(local_inet_peer));
943	sh_error_set_peer(NULL);
944	}
945	else
946	local_inet_peer[0] = '\0';
947
948	#ifdef HAVE_LIBPRELUDE
949	if ((msg_id == MSG_TCP_MSG) && (inet_peer_ip[0] != '\0'))
950	{
951	sl_strlcpy(local_inet_peer_ip, inet_peer_ip, sizeof(local_inet_peer_ip));
952	sh_error_set_peer_ip(NULL);
953	}
954	else
955	local_inet_peer_ip[0] = '\0';
956	#endif
957
958	clt_class = (-1); /* reset global */
959	#endif
960
961
962	if (own_block == 1)
963	{
964	goto exit_here;
965	}
966
967	/* --- Initialize to default values. ---
968	*/
969	if (IsInitialized == BAD)
970	(void) sh_error_init();
971
972	/* Returns pointer to (constant\|thread-specific) static memory
973	*/
974	fmt = /@i@/get_format (msg_id, &severity, &class);
975
976	#ifdef SH_WITH_SERVER
977	if (class_inet != (-1))
978	class = (unsigned int) class_inet;
979	#endif
980
981	/* --- Consistency check. ---
982	*/
983	ASSERT((fmt != NULL), _("fmt != NULL"))
984	if (fmt == NULL)
985	{
986	fprintf(stderr,
987	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
988	file, line);
989	goto exit_here;
990	}
991
992	/* --- Override the catalogue severity. ---
993	*/
994	if (sev != (-1))
995	severity = sev;
996
997	/* these are messages from remote sources
998	*/
999	if ((severity & SH_ERR_INET) != 0)
1000	{
1001	flag_inet = S_TRUE;
1002	}
1003	else
1004	{
1005	flag_inet = S_FALSE;
1006	}
1007
1008	/* --- Messages not wanted for logging. ---
1009	*/
1010	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
1011	(errFlags.print_class & (1 << class)) == 0 ) &&
1012	( (errFlags.loglevel & severity ) == 0 \|\|
1013	(errFlags.log_class & (1 << class)) == 0 ) &&
1014	( (errFlags.sysloglevel & severity ) == 0 \|\|
1015	(errFlags.syslog_class & (1 << class)) == 0 ) &&
1016	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
1017	( (errFlags.exportlevel & severity ) == 0 \|\|
1018	(errFlags.export_class & (1 << class)) == 0 ) &&
1019	#endif
1020	#ifdef WITH_EXTERNAL
1021	( (errFlags.externallevel & severity ) == 0 \|\|
1022	(errFlags.external_class & (1 << class)) == 0 ) &&
1023	#endif
1024	#ifdef HAVE_LIBPRELUDE
1025	( (errFlags.preludelevel & severity ) == 0 \|\|
1026	(errFlags.prelude_class & (1 << class)) == 0 ) &&
1027	#endif
1028	#ifdef WITH_DATABASE
1029	( (errFlags.databaselevel & severity ) == 0 \|\|
1030	(errFlags.database_class & (1 << class)) == 0 ) &&
1031	#endif
1032	( (errFlags.maillevel & severity ) == 0 \|\|
1033	(errFlags.mail_class & (1 << class)) == 0 )
1034	#ifdef SH_WITH_SERVER
1035	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
1036	#endif
1037	)
1038	{
1039	goto exit_here;
1040	}
1041
1042	if ((severity & SH_ERR_NOT) != 0)
1043	{
1044	goto exit_here;
1045	}
1046
1047
1048	/* Allocate space for the message.
1049	*/
1050	own_block = 1;
1051	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1052	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1053	/@i@/lmsg->msg = NULL;
1054
1055	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1056	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1057	lmsg->severity = severity;
1058	lmsg->class = (int) class;
1059	lmsg->line = line;
1060	lmsg->status = status;
1061
1062	/* Format the log message with timestamp etc.
1063	* Allocate lmsg->msg
1064	*/
1065	va_start (vl, msg_id);
1066	(void) sh_error_string (lmsg, vl);
1067	va_end (vl);
1068	own_block = 0;
1069
1070
1071	/* Log to stderr.
1072	*/
1073	if ( ((errFlags.printlevel & severity) != 0 &&
1074	(errFlags.print_class & (1 << class)) != 0 &&
1075	(errFlags.printlevel & SH_ERR_NOT) == 0)
1076	#ifdef SH_WITH_SERVER
1077	\|\| (flag_inet == S_TRUE)
1078	#endif
1079	)
1080	{
1081	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
1082	{
1083	/* no truncation
1084	*/
1085	print_block = 1;
1086	TPT(( 0, FIL__, __LINE__, lmsg->msg));
1087	/*
1088	* Reports first error after failure. Always tries.
1089	*/
1090	(void) sh_log_console (lmsg->msg);
1091	print_block = 0;
1092	}
1093	}
1094
1095
1096	/* Full logging enabled.
1097	*/
1098	if (OnlyStderr == S_FALSE) /* full error logging enabled */
1099	{
1100
1101	/* Log to syslog.
1102	*/
1103	if ( (errFlags.sysloglevel & severity) != 0 &&
1104	(errFlags.syslog_class & (1 << class)) != 0 &&
1105	#ifndef INET_SYSLOG
1106	(flag_inet != S_TRUE) && /* !inet->syslog */
1107	#endif
1108	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
1109	{
1110	/* will truncate to 1023 bytes
1111	*/
1112	if (syslog_block == 0)
1113	{
1114	syslog_block = 1;
1115	/*
1116	* Ignores errors. Always tries.
1117	*/
1118	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
1119	syslog_block = 0;
1120	}
1121	}
1122
1123	#if defined(WITH_EXTERNAL)
1124	/*
1125	* -- external facility
1126	*/
1127	if ((errFlags.externallevel & severity) != 0 &&
1128	(errFlags.external_class & (1 << class)) != 0 &&
1129	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
1130	class != AUD)
1131	{
1132	if (external_block == 0)
1133	{
1134	/* no truncation
1135	*/
1136	external_block = 1;
1137	/*
1138	* Reports first error after failure. Always tries.
1139	*/
1140	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
1141	external_block = 0;
1142	}
1143	}
1144	#endif
1145
1146	#if defined(WITH_DATABASE)
1147	/*
1148	* -- database facility
1149	*/
1150	if ((errFlags.databaselevel & severity) != 0 &&
1151	(errFlags.database_class & (1 << class)) != 0 &&
1152	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
1153	class != AUD)
1154	{
1155	if (database_block == 0 && enableUnsafe == S_TRUE)
1156	{
1157	/* truncates; query_max is 16k
1158	*/
1159	database_block = 1;
1160	#ifndef SH_STANDALONE
1161	if (msg_id == MSG_TCP_MSG
1162	#ifdef INET_SYSLOG
1163	\|\| msg_id == MSG_INET_SYSLOG
1164	#endif
1165	)
1166	{
1167	/* do not escape twice
1168	*/
1169	/*
1170	* Reports failure every 60 min. Always tries.
1171	*/
1172	(void) sh_database_insert (lmsg->msg);
1173	}
1174	else
1175	#endif
1176	{
1177	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
1178	/*
1179	* Reports failure every 60 min. Always tries.
1180	*/
1181	(void) sh_database_insert (escape_msg);
1182	SH_FREE(escape_msg);
1183	}
1184	database_block = 0;
1185	}
1186	}
1187	#endif
1188
1189	/****************************************************
1190	* Optionally include client code for TCP forwarding
1191	* to log server
1192	****************************************************/
1193	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
1194	/* Export by TCP.
1195	*/
1196
1197	if ( ((errFlags.exportlevel & severity ) != 0 &&
1198	(errFlags.export_class & (1 << class)) != 0 &&
1199	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
1200	class != AUD )
1201	#ifdef SH_WITH_SERVER
1202	/* always log inet to export */
1203	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
1204	#endif
1205	/* sh.flag.isserver != GOOD && */
1206	/* (flag_inet == S_FALSE) / / don't log inet to export */
1207	)
1208	{
1209	if (export_block == 0)
1210	{
1211	int retval;
1212	size_t ex_len;
1213
1214	/* will truncate to 65280 bytes
1215	*/
1216	export_block = 1;
1217	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
1218	ex_len = sl_strlen(lmsg->msg);
1219	if (sl_ok_adds(ex_len, 65))
1220	ex_len = 64 + ex_len + 1;
1221	ex_msg = SH_ALLOC (ex_len);
1222
1223	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
1224	severity, class, lmsg->msg);
1225	retval = sh_forward (ex_msg);
1226	SH_FREE(ex_msg);
1227	export_block = 0;
1228	if (retval == -2)
1229	{
1230	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1231	_("log server"));
1232	}
1233	}
1234	}
1235	#endif
1236
1237
1238	/* Log to mail.
1239	*/
1240	#if defined(SH_WITH_MAIL)
1241	if ((errFlags.maillevel & severity ) != 0 &&
1242	(errFlags.mail_class & (1 << class)) != 0 &&
1243	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
1244	class != AUD &&
1245	(flag_inet == S_FALSE) ) /* don't log inet to email */
1246	{
1247	if (mail_block == 0)
1248	{
1249	int retval;
1250
1251	/* will truncate to 998 bytes
1252	*/
1253	mail_block = 1;
1254
1255	BREAKEXIT(sh_nmail_msg);
1256	if ( (severity & SH_ERR_FATAL) == 0)
1257	retval = sh_nmail_pushstack (severity, lmsg->msg, NULL);
1258	else
1259	retval = sh_nmail_msg (severity, lmsg->msg, NULL);
1260
1261	mail_block = 0;
1262	if (retval == -2)
1263	{
1264	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1265	_("email"));
1266	}
1267	}
1268	}
1269	#endif
1270
1271	#ifdef HAVE_LIBPRELUDE
1272	if (((errFlags.preludelevel & severity ) != 0 &&
1273	(errFlags.prelude_class & (1 << class)) != 0 &&
1274	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
1275	(class != AUD))
1276	#ifdef SH_WITH_SERVER
1277	\|\| (flag_inet == S_TRUE)
1278	#endif
1279	)
1280	{
1281	if (prelude_block == 0 && enableUnsafe == S_TRUE)
1282	{
1283	/* will truncate to 998 bytes
1284	*/
1285	prelude_block = 1;
1286
1287	BREAKEXIT(sh_prelude_alert);
1288	/*
1289	* Reports first error after failure. Always tries.
1290	*/
1291	#if defined(HAVE_LIBPRELUDE) && defined(SH_WITH_SERVER)
1292	(void) sh_prelude_alert (severity, (int) class,
1293	lmsg->msg, lmsg->status, msg_id,
1294	local_inet_peer_ip);
1295	#else
1296	(void) sh_prelude_alert (severity, (int) class,
1297	lmsg->msg, lmsg->status, msg_id,
1298	NULL);
1299	#endif
1300	prelude_block = 0;
1301	}
1302	}
1303	#endif
1304
1305	/* Log to logfile
1306	*/
1307
1308	if ( ( ( (errFlags.loglevel & severity) != 0 &&
1309	(errFlags.log_class & (1 << class)) != 0 &&
1310	(errFlags.loglevel & SH_ERR_NOT) == 0 )
1311	#ifdef SH_WITH_SERVER
1312	\|\| (flag_inet == S_TRUE)
1313	#endif
1314	) &&
1315	class != AUD &&
1316	(errFlags.HaveLog != BAD) && /* temporary switched off */
1317	(severity & SH_ERR_NOT) == 0 /* paranoia */
1318	)
1319	{
1320	if (log_block == 0)
1321	{
1322	/* no truncation
1323	*/
1324	log_block = 1;
1325	BREAKEXIT(sh_log_file);
1326	#ifdef SH_WITH_SERVER
1327	if (0 != sl_ret_euid())
1328	{
1329	/*
1330	* Reports first error after failure. Always tries.
1331	*/
1332	if (local_inet_peer[0] == '\0')
1333	(void) sh_log_file (lmsg->msg, NULL);
1334	else
1335	(void) sh_log_file (lmsg->msg, local_inet_peer);
1336	}
1337	#else
1338	(void) sh_log_file (lmsg->msg, NULL);
1339	#endif
1340	/* sh_log_file (lmsg->msg); */
1341	log_block = 0;
1342	}
1343	}
1344
1345	}
1346
1347	/* Cleanup.
1348	*/
1349	own_block = 1;
1350
1351	if (lmsg->msg)
1352	SH_FREE( lmsg->msg );
1353
1354	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
1355	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
1356	SH_FREE( lmsg );
1357	own_block = 0;
1358
1359	exit_here:
1360	; /* label at end of compound statement */
1361	SH_MUTEX_RECURSIVE_UNLOCK(mutex_err_handle);
1362
1363	/@i@/SL_RET0(_("sh_error_handle"));
1364	/@i@/}
1365
1366	#if defined(SH_WITH_MAIL)
1367	void sh_error_mail (const char * alias, int sev,
1368	const char * file, long line,
1369	long status, unsigned long msg_id, ...)
1370	{
1371	va_list vl; /* argument list */
1372	struct _log_t * lmsg;
1373
1374	int severity;
1375	unsigned int class;
1376	char * fmt;
1377	int retval;
1378
1379	SL_ENTER(_("sh_error_mail"));
1380
1381	/* Returns pointer to (constant\|thread-specific) static memory
1382	*/
1383	fmt = /@i@/get_format (msg_id, &severity, &class);
1384
1385	if (!fmt)
1386	{
1387	SL_RET0(_("sh_error_mail"));
1388	}
1389
1390	/* --- Override the catalogue severity. ---
1391	*/
1392	if (sev != (-1))
1393	severity = sev;
1394
1395	/* --- Build the message. ---
1396	*/
1397	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1398	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1399	/@i@/lmsg->msg = NULL;
1400
1401	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1402	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1403	lmsg->severity = severity;
1404	lmsg->class = (int) class;
1405	lmsg->line = line;
1406	lmsg->status = status;
1407
1408	/* Format the log message with timestamp etc.
1409	* Allocate lmsg->msg
1410	*/
1411	va_start (vl, msg_id);
1412	(void) sh_error_string (lmsg, vl);
1413	va_end (vl);
1414
1415	if ( (severity & SH_ERR_FATAL) == 0)
1416	retval = sh_nmail_pushstack (severity, lmsg->msg, alias);
1417	else
1418	retval = sh_nmail_msg (severity, lmsg->msg, alias);
1419
1420	if (retval == -2)
1421	{
1422	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1423	_("email"));
1424	}
1425	SL_RET0(_("sh_error_mail"));
1426	}
1427	#else
1428	void sh_error_mail (const char * alias, int sev,
1429	const char * file, long line,
1430	long status, unsigned long msg_id, ...)
1431	{
1432	(void) alias;
1433	(void) sev;
1434	(void) file;
1435	(void) line;
1436	(void) status;
1437	(void) msg_id;
1438
1439	return;
1440	}
1441	/* defined(SH_WITH_MAIL) */
1442	#endif
1443
1444	/* -------------------------
1445	*
1446	* private functions below
1447	*
1448	* -------------------------
1449	*/
1450
1451
1452	/* --- Get the format from the message catalog. ---
1453	*/
1454	/@owned@/ /@null@/inline
1455	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
1456	/@out@/unsigned int * class)
1457	{
1458	int i = 0;
1459
1460	SL_ENTER(_("get_format"));
1461	while (1 == 1)
1462	{
1463	if ( msg_cat[i].format == NULL )
1464	break;
1465
1466	if ( (unsigned long) msg_cat[i].id == msg_id)
1467	{
1468	*priority = (int) msg_cat[i].priority;
1469	*class = (unsigned int) msg_cat[i].class;
1470	SL_RETURN (((char *) _(msg_cat[i].format)), _("get_format"));
1471	}
1472	++i;
1473	}
1474	*priority = SH_ERR_ERR;
1475	*class = ERR;
1476	SL_RETURN (NULL, _("get_format"));
1477	}
1478
1479	/@null@//@only@/static char * ehead_format = NULL;
1480
1481	/* allocate space for user-defined message header
1482	*/
1483	int sh_error_ehead (/@null@/const char * str_s)
1484	{
1485	size_t size;
1486	const char * s;
1487
1488	SL_ENTER(_("sh_error_ehead"));
1489
1490	if (str_s == NULL)
1491	{
1492	SL_RETURN (-1, _("sh_error_ehead"));
1493	}
1494
1495	/* ascii 34 ist t\"ttelchen
1496	*/
1497	/@i@/ if (str_s[0] == 34) s = &str_s[1];
1498	else s = str_s;
1499
1500	size = /@i@/strlen(s);
1501	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
1502
1503	if (ehead_format != NULL)
1504	SH_FREE(ehead_format);
1505
1506	/@i@/ehead_format = SH_ALLOC(size+1);
1507	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
1508
1509	SL_RETURN( 0, _("sh_error_ehead"));
1510	}
1511
1512	#if !defined(VA_COPY)
1513	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
1514	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1515	#elif defined(VA_COPY_AS_ARRAY)
1516	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
1517	#else /* va_list is a pointer */
1518	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1519	#endif
1520	#endif
1521
1522
1523	/* print an error into string
1524	*/
1525	static int sh_error_string (struct _log_t * lmsg, va_list vl)
1526	{
1527	size_t len;
1528	int required;
1529	unsigned long line;
1530	char sev[16] = "";
1531	char cla[16] = "";
1532	char tst[64] = "";
1533	char *p;
1534	va_list vl2;
1535
1536	st_format rep_ehead_tab[] = {
1537	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
1538	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
1539	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
1540	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
1541	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
1542	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
1543	{'\0', S_FMT_ULONG, 0, 0, NULL},
1544	};
1545
1546	SL_ENTER(_("sh_error_string"));
1547
1548	if (ehead_format == NULL)
1549	{
1550	ehead_format = SH_ALLOC(64);
1551	#ifdef SH_USE_XML
1552	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1553	(void) sl_strlcpy(ehead_format,
1554	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
1555	else
1556	(void) sl_strlcpy(ehead_format,
1557	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
1558	#else
1559	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1560	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
1561	else
1562	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
1563	#endif
1564	}
1565
1566	/* header of error message
1567	*/
1568	#ifdef SH_USE_XML
1569	if ( (lmsg->severity & SH_ERR_INET) != 0)
1570	(void) sl_strlcpy (sev, _("RCVT"), 11);
1571	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1572	(void) sl_strlcpy (sev, _("DEBG"), 11);
1573	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1574	(void) sl_strlcpy (sev, _("INFO"), 11);
1575	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1576	(void) sl_strlcpy (sev, _("NOTE"), 11);
1577	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1578	(void) sl_strlcpy (sev, _("WARN"), 11);
1579	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1580	(void) sl_strlcpy (sev, _("MARK"), 11);
1581	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1582	(void) sl_strlcpy (sev, _("ERRO"), 11);
1583	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1584	(void) sl_strlcpy (sev, _("CRIT"), 11);
1585	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1586	(void) sl_strlcpy (sev, _("ALRT"), 11);
1587	else {
1588	(void) sl_strlcpy (sev, _("????"), 11);
1589	#else
1590	#if defined(INET_SYSLOG)
1591	if ( (lmsg->severity & SH_ERR_INET) != 0)
1592	(void) sl_strlcpy (sev, _("<NET> : "), 11);
1593	#else
1594	if ( (lmsg->severity & SH_ERR_INET) != 0)
1595	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
1596	#endif
1597	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1598	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
1599	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1600	(void) sl_strlcpy (sev, _("INFO : "), 11);
1601	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1602	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
1603	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1604	(void) sl_strlcpy (sev, _("WARN : "), 11);
1605	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1606	(void) sl_strlcpy (sev, _("MARK : "), 11);
1607	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1608	(void) sl_strlcpy (sev, _("ERROR : "), 11);
1609	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1610	(void) sl_strlcpy (sev, _("CRIT : "), 11);
1611	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1612	(void) sl_strlcpy (sev, _("ALERT : "), 11);
1613	else {
1614	(void) sl_strlcpy (sev, _("??? : "), 11);
1615	#endif
1616	}
1617
1618	(void) sh_unix_time (0, tst, 64);
1619	line = (unsigned long) lmsg->line;
1620	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
1621
1622	/@i@/rep_ehead_tab[0].data_str = sev;
1623	/@i@/rep_ehead_tab[1].data_str = tst;
1624	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
1625	/@i@/rep_ehead_tab[3].data_ulong = line;
1626	/@i@/rep_ehead_tab[4].data_str = cla;
1627	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
1628
1629	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
1630
1631	/* --- copy the header to lmsg->msg ---
1632	*/
1633	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
1634	lmsg->msg_len = SH_BUFSIZE;
1635
1636	if (p)
1637	{
1638	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
1639	SH_FREE(p);
1640	}
1641	else
1642	{
1643	lmsg->msg[0] = '\0';
1644	}
1645
1646
1647	/* --- copy message to lmsg->msg ---
1648	*/
1649	if ( NULL == strchr(lmsg->format, '%') )
1650	{
1651	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
1652	}
1653	else
1654	{
1655	/* use VA_COPY */
1656	/@i@/VA_COPY(vl2, vl);
1657	len = sl_strlen(lmsg->msg);
1658	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
1659	(lmsg->msg_len - len), lmsg->format, vl);
1660
1661	if ((required >= 0) &&
1662	sl_ok_adds(required, len) &&
1663	sl_ok_adds((required+len), 4) &&
1664	((required + len) > (lmsg->msg_len - 4)) )
1665	{
1666	/@i@/p = SH_ALLOC(required + len + 4);
1667	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
1668	SH_FREE(lmsg->msg);
1669	lmsg->msg = p;
1670	lmsg->msg_len = required + len + 4;
1671	(void) sl_vsnprintf(&(lmsg->msg[len]),
1672	(required + 1), lmsg->format, vl2);
1673	}
1674	va_end(vl2);
1675	}
1676
1677	#ifdef SH_USE_XML
1678	/* closing tag
1679	*/
1680	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
1681	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
1682	#endif
1683
1684	SL_RETURN(0, _("sh_error_string"));
1685	}
1686
1687
1688
1689
1690	/* --- Initialize. ---
1691	*/
1692	static int sh_error_init ()
1693	{
1694	register int j;
1695
1696	SL_ENTER(_("sh_error_init"));
1697
1698	errFlags.debug = 0;
1699	errFlags.HaveLog = GOOD;
1700	errFlags.sysloglevel = SH_ERR_NOT;
1701	#if defined(SH_STEALTH)
1702	errFlags.loglevel = SH_ERR_NOT;
1703	#else
1704	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1705	SH_ERR_FATAL);
1706	#endif
1707	errFlags.externallevel = SH_ERR_NOT;
1708	errFlags.databaselevel = SH_ERR_NOT;
1709	errFlags.preludelevel = SH_ERR_NOT;
1710	errFlags.maillevel = SH_ERR_FATAL;
1711	#if defined(SH_STEALTH)
1712	errFlags.printlevel = SH_ERR_NOT;
1713	#else
1714	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
1715	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1716	SH_ERR_FATAL);
1717	flag_err_info = SL_TRUE;
1718	#endif
1719
1720	#if defined(SH_WITH_SERVER)
1721	errFlags.exportlevel = SH_ERR_NOT;
1722	#else
1723	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1724	SH_ERR_FATAL);
1725	#endif
1726
1727	errFlags.log_class = 0xFFFF;
1728	errFlags.print_class = 0xFFFF;
1729	errFlags.mail_class = 0xFFFF;
1730	errFlags.export_class = 0xFFFF;
1731	errFlags.syslog_class = 0xFFFF;
1732	errFlags.external_class = 0xFFFF;
1733	errFlags.database_class = 0xFFFF;
1734	errFlags.prelude_class = 0xFFFF;
1735
1736
1737	for (j = 0; j < SH_ERR_T_END; ++j)
1738	ShDFLevel[j] = SH_ERR_SEVERE;
1739
1740	IsInitialized = GOOD;
1741	SL_RETURN (0, _("sh_error_init"));
1742	}

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