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sh_prelude.c@ 577

Last change on this file since 577 was 542, checked in by katerina, 6 years ago
Fix for ticket #435 (compiler warning).
File size: 43.4 KB

Rev	Line
[1]	1	/*
	2	*
	3	* Copyright (C) 2005 Yoann Vandoorselaere, Prelude IDS Technologies
	4	* Rainer Wichmann
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2, or (at your option)
	9	* 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; see the file COPYING. If not, write to
	18	* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
	19	*
	20	*/
	21
	22	/*
	23	* 28/04/2005 : R.W.:
	24	* move libprelude 0.8 code to seperate file
	25	*
	26	* 23/04/2005 : R.W.:
	27	* include libprelude 0.9 code from Yoann Vandoorselaere
	28	*/
[36]	29
	30
	31	/*
	32	* for strptime()
	33	*/
	34	#define _GNU_SOURCE 1
	35
[1]	36	#include "config_xor.h"
	37
	38	#include <stdio.h>
	39	#include <string.h>
[542]	40	#include <ctype.h>
[1]	41	#include <sys/types.h>
	42
	43	#if TIME_WITH_SYS_TIME
	44
	45	# include <sys/time.h>
	46	# include <time.h>
	47
	48	#else
	49
	50	# if HAVE_SYS_TIME_H
	51	# include <sys/time.h>
	52	# else
	53	# include <time.h>
	54	# endif
	55
	56	#endif
	57
	58	#include <unistd.h>
	59	#include <syslog.h>
	60	#include <pwd.h>
	61
[20]	62	int sh_argc_store;
	63	char ** sh_argv_store;
	64
[181]	65	#if defined(HAVE_LIBPRELUDE)
[1]	66
	67
	68	/*
	69	* _() macros are samhain specific; they are used to replace string
	70	* constants at runtime. This is part of the samhain stealth mode
	71	* (fill string constants with encoded strings, decode at runtime).
	72	*/
	73	#define FIL__ _("sh_prelude.c")
	74
	75
	76	#include <libprelude/idmef.h>
	77	#include <libprelude/prelude.h>
	78
	79	/*
	80	* includes for samhain-specific functions (sl_strstr, sh_error_handle)
	81	*/
[108]	82	#include "samhain.h"
[1]	83	#include "sh_cat.h"
	84	#include "sh_error_min.h"
	85	#include "sh_prelude.h"
[131]	86	#define SH_NEED_PWD_GRP 1
	87	#include "sh_static.h"
[169]	88	char * sh_util_strdup (const char * str) SH_GNUC_MALLOC;
[1]	89	/*
	90	* When SH_USE_XML is set, value are formated using name="value".
	91	* Otherwise, value is formatted using the format name=<value>.
	92	*/
	93	#ifdef SH_USE_XML
	94	# define VALUE_DELIM_START '"'
	95	# define VALUE_DELIM_END '"'
	96	#else
	97	# define VALUE_DELIM_START '<'
	98	# define VALUE_DELIM_END '>'
	99	#endif
	100
	101	#define IDMEF_ANALYZER_MODEL _("Samhain")
	102	#define IDMEF_ANALYZER_CLASS _("Integrity Checker")
	103	#define IDMEF_ANALYZER_VERSION VERSION
[106]	104	#define IDMEF_ANALYZER_MANUFACTURER _("http://www.la-samhna.de/samhain/")
[1]	105
	106
	107
	108	/*
	109	* 0 = not initialized; -1 = failed; 1 = initialized
	110	*/
	111	static int initialized = 0;
	112	static int ready_for_init = 0;
	113
	114	static char *profile = NULL;
	115	static prelude_client_t *client = NULL;
	116
	117	static int severity_map[1 + (unsigned int) IDMEF_IMPACT_SEVERITY_HIGH] = {
	118	/* 0: unused (?) */ 0,
	119	/* 1: INFO */ 0,
	120	/* 2: LOW */ SH_ERR_ALL\|SH_ERR_INFO,
	121	/* 3: MEDIUM */ SH_ERR_NOTICE\|SH_ERR_WARN\|SH_ERR_STAMP\|SH_ERR_ERR,
	122	/* 4: HIGH */ SH_ERR_SEVERE\|SH_ERR_FATAL
	123	};
	124
	125	/* returns 0/tiger, 1/sha1, or 2/md5
	126	*/
	127	extern int sh_tiger_get_hashtype(void);
	128
	129	static void clear_and_set (int setpos, int flag)
	130	{
	131	unsigned int i;
	132	/* clear everywhere, and set at correct position */
	133	for (i = 1; i < (1 + (unsigned int) IDMEF_IMPACT_SEVERITY_HIGH); ++i)
	134	severity_map[i] &= ~flag;
	135	severity_map[setpos] \|= flag;
	136	return;
	137	}
	138
[22]	139	static int set_prelude_severity_int (const char * str, int prelude_sev)
[1]	140	{
[22]	141	char * p;
	142	char * dup = strdup (str);
[131]	143	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
	144	char * saveptr;
	145	#endif
[1]	146
[26]	147	if (!dup)
	148	return -1;
	149
[131]	150	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
	151	p = strtok_r (dup, ", \t", &saveptr);
	152	#else
[22]	153	p = strtok (dup, ", \t");
[131]	154	#endif
[1]	155	if (p) {
	156	do {
	157	if (0 == strcmp (p, _("alert")))
	158	clear_and_set (prelude_sev, SH_ERR_FATAL);
	159	else if (0 == strcmp (p, _("crit")))
	160	clear_and_set (prelude_sev, SH_ERR_SEVERE);
	161	else if (0 == strcmp (p, _("err")))
	162	clear_and_set (prelude_sev, SH_ERR_ERR);
	163	else if (0 == strcmp (p, _("mark")))
	164	clear_and_set (prelude_sev, SH_ERR_STAMP);
	165	else if (0 == strcmp (p, _("warn")))
	166	clear_and_set (prelude_sev, SH_ERR_WARN);
	167	else if (0 == strcmp (p, _("notice")))
	168	clear_and_set (prelude_sev, SH_ERR_NOTICE);
	169	else if (0 == strcmp (p, _("debug")))
	170	clear_and_set (prelude_sev, SH_ERR_ALL);
	171	else if (0 == strcmp (p, _("info")))
	172	clear_and_set (prelude_sev, SH_ERR_INFO);
[26]	173	else {
	174	free (dup);
[1]	175	return -1;
[26]	176	}
[131]	177	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
	178	p = strtok_r (NULL, ", \t", &saveptr);
	179	#else
[1]	180	p = strtok (NULL, ", \t");
[131]	181	#endif
[1]	182	} while (p);
	183	}
[22]	184	free(dup);
[1]	185	return 0;
	186	}
	187
[22]	188	int sh_prelude_map_info (const char * str)
[1]	189	{
	190	return (set_prelude_severity_int(str,(int)IDMEF_IMPACT_SEVERITY_INFO));
	191	}
[22]	192	int sh_prelude_map_low (const char * str)
[1]	193	{
	194	return (set_prelude_severity_int(str,(int)IDMEF_IMPACT_SEVERITY_LOW));
	195	}
[22]	196	int sh_prelude_map_medium (const char * str)
[1]	197	{
	198	return (set_prelude_severity_int(str,(int)IDMEF_IMPACT_SEVERITY_MEDIUM));
	199	}
[22]	200	int sh_prelude_map_high (const char * str)
[1]	201	{
	202	return (set_prelude_severity_int(str,(int)IDMEF_IMPACT_SEVERITY_HIGH));
	203	}
	204
	205	static idmef_impact_severity_t map_severity (int sam_sev)
	206	{
	207	int i;
	208	int max = 1 + (unsigned int) IDMEF_IMPACT_SEVERITY_HIGH;
	209	idmef_impact_severity_t retval = IDMEF_IMPACT_SEVERITY_MEDIUM;
	210
	211	for (i = 0; i < max; ++i) {
	212	if (severity_map[i] & sam_sev) {
	213	retval = (idmef_impact_severity_t) i;
	214	}
	215	}
	216	return retval;
	217	}
	218
	219	static char do_get_value(char ptr, char delim_start, char delim_end)
	220	{
	221	char *ret = NULL;
[283]	222	#if defined(SH_WITH_SERVER)
	223	int delim_start_count = 0;
	224	int found = 0;
	225	#endif
	226
[1]	227	ptr = strchr(ptr, delim_start);
	228	if ( ! ptr )
	229	return NULL;
	230
	231	ret = ++ptr;
[283]	232	#if defined(SH_WITH_SERVER)
	233	while ((*ptr != '\0') && (!found)){
	234	if (*ptr == delim_end) {
	235	if (delim_start_count == 0)
	236	found = 1;
	237	delim_start_count--;
	238	}
	239	else if (*ptr == delim_start)
	240	delim_start_count++;
	241	ptr++;
	242	}
	243	ptr = (found) ? ptr-1 : NULL ;
	244	#else
[1]	245	ptr = strchr(ptr, delim_end);
[283]	246	#endif
[1]	247	if ( ! ptr )
	248	return NULL;
	249
	250	*ptr = '\0';
	251	ret = strdup(ret);
	252	*ptr = delim_end;
	253
	254	return ret;
	255	}
	256
	257
	258
	259	static char get_value(char msg, const char toktmp, const char toksuffix)
	260	{
	261	char *ptr, tok[128];
	262
	263	snprintf(tok, sizeof(tok), "%s%s=", toktmp, (toksuffix) ? toksuffix : "");
	264
	265	ptr = strstr(msg, tok);
	266	if ( ! ptr )
	267	return NULL;
	268
	269	return do_get_value(ptr, VALUE_DELIM_START, VALUE_DELIM_END);
	270	}
	271
	272
	273
	274	static char get_time_value(char msg, const char toktmp, const char toksuffix)
	275	{
	276
	277	char ret, ptr, tok[128];
	278
	279	snprintf(tok, sizeof(tok), "%s%s=", toktmp, (toksuffix) ? toksuffix : "");
	280
	281	ptr = strstr(msg, tok);
	282	if ( ! ptr )
	283	return NULL;
	284
	285	#ifndef SH_USE_XML
	286	ret = do_get_value(ptr, '[', ']');
	287	#else
	288	ret = do_get_value(ptr, VALUE_DELIM_START, VALUE_DELIM_END);
	289	#endif
	290
	291	return ret;
	292	}
	293
	294
	295
	296
	297	#if 0
	298	void debug_print_message(idmef_message_t *msg)
	299	{
	300	int ret;
	301	prelude_io_t *fd;
	302
	303	ret = prelude_io_new(&fd);
	304	if ( ret < 0 )
	305	return;
	306
	307	prelude_io_set_file_io(fd, stderr);
	308	idmef_message_print(idmef, fd);
	309
	310	prelude_io_destroy(fd);
	311	}
	312	#endif
	313
	314
	315
	316	static int idmef_time_from_samhain(idmef_time_t *time, const char str)
	317	{
	318	int ret;
	319	char *ptr;
	320	time_t utc;
	321	struct tm lt;
	322
	323	/*
	324	* Samhain stamp are encoded in UTC.
	325	*/
	326	ptr = strptime(str, _("%Y-%m-%dT%H:%M:%S"), &lt);
	327	if ( ! ptr ) {
	328	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	329	_("could not format Samhain time"), _("idmef_time_from_samhain"));
	330	return -1;
	331	}
	332
	333	utc = prelude_timegm(&lt);
	334
	335	ret = idmef_time_new_from_time(time, &utc);
	336	if ( ret < 0 )
	337	return ret;
	338
	339	return 0;
	340	}
	341
[22]	342	/* flawfinder: ignore // is part of name, not access() */
[1]	343	static void get_access_info(idmef_file_access_t access, char mode, int pos, int mpos)
	344	{
	345	int got = 0;
	346	int ret;
	347	prelude_string_t *str;
	348
	349	do {
	350	if ( mode[pos] == 'r' ) {
[22]	351	/* flawfinder: ignore // is part of name, not access() */
[26]	352	ret = idmef_file_access_new_permission(access, &str, IDMEF_LIST_APPEND);
[1]	353	if ( ret < 0 )
	354	return;
	355	prelude_string_set_dup(str, _("read"));
	356	++got;
	357	}
	358	else if ( mode[pos] == 'w' ) {
[22]	359	/* flawfinder: ignore // is part of name, not access() */
[26]	360	ret = idmef_file_access_new_permission(access, &str, IDMEF_LIST_APPEND);
[1]	361	if ( ret < 0 )
	362	return;
	363	prelude_string_set_dup(str, _("write"));
	364	++got;
	365	}
	366	else if ( mode[pos] == 'x' \|\| mode[pos] == 's' \|\| mode[pos] == 't') {
[22]	367	/* flawfinder: ignore // is part of name, not access() */
[26]	368	ret = idmef_file_access_new_permission(access, &str, IDMEF_LIST_APPEND);
[1]	369	if ( ret < 0 )
	370	return;
	371
	372	if ( mode[pos] == 'x' && mode[0] == 'd' )
	373	prelude_string_set_dup(str, _("search"));
	374
	375	else if ( mode[pos] == 'x' \|\| mode[pos] == 't' )
	376	prelude_string_set_dup(str, _("execute"));
	377
	378	else /* 's' */
	379	prelude_string_set_dup(str, _("executeAs"));
	380	++got;
	381	}
	382	++pos;
	383	} while (pos <= mpos);
	384
	385	if ( got == 0 ) {
[22]	386	/* flawfinder: ignore // is part of name, not access() */
[26]	387	ret = idmef_file_access_new_permission(access, &str, IDMEF_LIST_APPEND);
[1]	388	if ( ret < 0 )
	389	return;
	390	prelude_string_set_dup(str, _("noAccess"));
	391	}
	392	return;
	393	}
	394
	395
	396	static void get_file_infos(idmef_target_t target, char msg,
	397	idmef_file_category_t category)
	398	{
	399	int ret;
	400	int hashtype = 0;
	401	char *ptr;
	402	idmef_time_t *time;
	403	idmef_file_t *file;
	404	idmef_inode_t *inode;
	405	prelude_string_t *str;
	406	idmef_checksum_t *checksum;
[22]	407	idmef_file_access_t access; / flawfinder: ignore */
[1]	408	idmef_user_id_t *userid;
	409	const char *suffix = (category == IDMEF_FILE_CATEGORY_CURRENT) ? "_new" : "_old";
	410	char *mode = NULL;
	411
[26]	412	ret = idmef_target_new_file(target, &file, IDMEF_LIST_APPEND);
[1]	413	if ( ret < 0 )
	414	return;
	415	idmef_file_set_category(file, category);
	416
	417	ptr = get_value(msg, _("path"), NULL);
	418	if ( ptr ) {
	419	/*
	420	* In term of IDMEF, this is the full path,
	421	* including the name.
	422	*/
	423	ret = idmef_file_new_path(file, &str);
[36]	424	if ( ret < 0 ) {
	425	free(ptr);
[1]	426	return;
[36]	427	}
[1]	428	prelude_string_set_nodup(str, ptr);
	429
	430	ptr = strrchr(ptr, '/');
	431	if ( ptr ) {
	432	ret = idmef_file_new_name(file, &str);
[40]	433	if ( ret == 0 ) {
	434	prelude_string_set_dup(str, ptr + 1);
	435	}
[1]	436	}
	437	}
	438
	439	ptr = get_value(msg, _("size"), suffix);
	440	if ( ptr ) {
	441	idmef_file_set_data_size(file, strtoul(ptr, NULL, 10));
	442	free(ptr);
	443	}
	444
	445	ptr = get_time_value(msg, _("mtime"), suffix);
	446	if ( ptr ) {
	447	ret = idmef_time_from_samhain(&time, ptr);
[40]	448	if ( ret == 0 ) {
	449	idmef_file_set_modify_time(file, time);
[36]	450	}
[1]	451	free(ptr);
	452	}
	453
	454	ptr = get_time_value(msg, _("ctime"), suffix);
	455	if ( ptr ) {
	456	ret = idmef_time_from_samhain(&time, ptr);
[40]	457	if ( ret == 0 ) {
	458	idmef_file_set_create_time(file, time);
[36]	459	}
[1]	460	free(ptr);
	461	}
	462
	463	ptr = get_value(msg, _("inode"), suffix);
	464	if ( ptr ) {
	465	ret = idmef_file_new_inode(file, &inode);
[40]	466	if ( ret == 0 ) {
	467	char * dev = get_value(msg, _("dev"), suffix);
	468	if (dev) {
	469	char * q = strchr(dev, ',');
	470	if (*q) {
	471	*q = '\0'; ++q;
	472	idmef_inode_set_major_device(inode, strtoul(dev, NULL, 0));
	473	idmef_inode_set_minor_device(inode, strtoul( q, NULL, 0));
	474	}
	475	free(dev);
	476	}
	477	idmef_inode_set_number(inode, strtoul(ptr, NULL, 10));
[36]	478	}
[1]	479	free(ptr);
	480	}
	481
	482	ptr = get_value(msg, _("chksum"), suffix);
	483	if ( ptr ) {
[26]	484	ret = idmef_file_new_checksum(file, &checksum, IDMEF_LIST_APPEND);
[36]	485	if ( ret < 0 ) {
[40]	486	free(ptr);
	487	goto get_mode;
[36]	488	}
[1]	489
	490	hashtype = sh_tiger_get_hashtype();
	491
	492	if (hashtype == 0)
[40]	493	idmef_checksum_set_algorithm(checksum, IDMEF_CHECKSUM_ALGORITHM_TIGER);
[1]	494
[40]	495	else if (hashtype == 1)
	496	idmef_checksum_set_algorithm(checksum, IDMEF_CHECKSUM_ALGORITHM_SHA1);
	497
	498	else if (hashtype == 2)
	499	idmef_checksum_set_algorithm(checksum, IDMEF_CHECKSUM_ALGORITHM_MD5);
	500
	501	else
	502	idmef_checksum_set_algorithm(checksum, IDMEF_CHECKSUM_ALGORITHM_TIGER);
[1]	503
	504
[40]	505	ret = idmef_checksum_new_value(checksum, &str);
	506	if ( ret < 0 ) {
	507	free(ptr);
	508	goto get_mode;
[36]	509	}
[1]	510
	511	/* will be freed on destroy()
	512	*/
[40]	513	prelude_string_set_nodup(str, ptr);
	514	}
[1]	515
[40]	516	get_mode:
	517
[1]	518	mode = get_value(msg, _("mode"), suffix);
	519	if ( mode ) {
[22]	520	/* flawfinder: ignore // is part of name, not access() */
[26]	521	ret = idmef_file_new_file_access(file, &access, IDMEF_LIST_APPEND);
[1]	522	if ( ret < 0 )
[40]	523	goto get_owner;
[1]	524
[22]	525	/* flawfinder: ignore // is part of name, not access() */
[1]	526	ret = idmef_file_access_new_user_id(access, &userid);
	527	if ( ret < 0 )
[40]	528	goto get_owner;
[1]	529	idmef_user_id_set_type(userid, IDMEF_USER_ID_TYPE_OTHER_PRIVS);
	530
[22]	531	/* flawfinder: ignore // is part of name, not access() */
[1]	532	get_access_info ( access, mode, 7, 9 );
	533	}
[40]	534
	535	get_owner:
[1]	536
	537	ptr = get_value(msg, _("owner"), suffix);
	538	if ( ptr ) {
[40]	539	char * uid;
[1]	540
[22]	541	/* flawfinder: ignore // is part of name, not access() */
[26]	542	ret = idmef_file_new_file_access(file, &access, IDMEF_LIST_APPEND);
[36]	543	if ( ret < 0 ) {
	544	free(ptr);
[40]	545	goto get_group;
[36]	546	}
[1]	547
[22]	548	/* flawfinder: ignore // is part of name, not access() */
[1]	549	ret = idmef_file_access_new_user_id(access, &userid);
[36]	550	if ( ret < 0 ) {
	551	free(ptr);
[40]	552	goto get_group;
[36]	553	}
[1]	554	idmef_user_id_set_type(userid, IDMEF_USER_ID_TYPE_USER_PRIVS);
	555
	556	ret = idmef_user_id_new_name(userid, &str);
[36]	557	if ( ret < 0 ) {
	558	free(ptr);
[40]	559	goto get_group;
[36]	560	}
[1]	561	prelude_string_set_nodup(str, ptr);
	562
[40]	563	uid = get_value(msg, _("iowner"), suffix);
	564	if ( ! uid )
	565	goto get_group;
[1]	566
[40]	567	idmef_user_id_set_number(userid, strtoul(uid, NULL, 0));
[1]	568
	569	if ( mode ) {
[22]	570	/* flawfinder: ignore // is part of name, not access() */
[1]	571	get_access_info ( access, mode, 1, 3 );
	572	}
[40]	573
	574	free(uid);
[283]	575	/* Don't free(ptr) because of prelude_string_set_nodup(str, ptr) */
[1]	576	}
	577
[40]	578	get_group:
	579
[1]	580	ptr = get_value(msg, _("group"), suffix);
	581	if ( ptr ) {
[40]	582	char *gid;
[1]	583
[22]	584	/* flawfinder: ignore // is part of name, not access() */
[26]	585	ret = idmef_file_new_file_access(file, &access, IDMEF_LIST_APPEND);
[36]	586	if ( ret < 0 ) {
	587	free(ptr);
	588	goto mode_free;
	589	}
[1]	590
[36]	591	ret = idmef_file_access_new_user_id(access, &userid);/* flawfinder: ignore // is part of name, not access() */
	592	if ( ret < 0 ) {
	593	free(ptr);
	594	goto mode_free;
	595	}
	596
[1]	597	idmef_user_id_set_type(userid, IDMEF_USER_ID_TYPE_GROUP_PRIVS);
	598
	599	ret = idmef_user_id_new_name(userid, &str);
[36]	600	if ( ret < 0 ) {
	601	free(ptr);
	602	goto mode_free;
	603	}
[1]	604
	605	prelude_string_set_nodup(str, ptr);
	606
[40]	607	gid = get_value(msg, _("igroup"), suffix);
	608	if ( ! gid )
[36]	609	goto mode_free;
[1]	610
[40]	611	idmef_user_id_set_number(userid, strtoul(gid, NULL, 0));
[1]	612
	613	if ( mode ) {
[22]	614	get_access_info ( access, mode, 4, 6 ); /* flawfinder: ignore */
[1]	615	}
[40]	616
	617	free(gid);
[283]	618	/* Don't free(ptr) because of prelude_string_set_nodup(str, ptr) */
[1]	619	}
	620
[36]	621	mode_free:
	622
[1]	623	if ( mode ) {
	624	free ( mode );
	625	}
[36]	626
	627	return;
[1]	628	}
	629
	630
	631
	632	static int map_policy_to_class(char msg, unsigned long msgid, idmef_impact_t impact, prelude_string_t *out)
	633	{
	634	char *ptr;
	635	int ret, i;
	636	struct tbl {
	637	unsigned int msgid;
	638	const char *name;
	639	idmef_impact_type_t type;
	640	} tbl[] = {
	641
	642	#ifdef SH_USE_UTMP
	643	{ MSG_UT_LG1X, N_("User Login"), IDMEF_IMPACT_TYPE_USER },
	644	{ MSG_UT_LG1A, N_("User Login"), IDMEF_IMPACT_TYPE_USER },
	645	{ MSG_UT_LG1B, N_("User Login"), IDMEF_IMPACT_TYPE_USER },
	646	{ MSG_UT_LG2X, N_("Multiple User Login"), IDMEF_IMPACT_TYPE_USER },
	647	{ MSG_UT_LG2A, N_("Multiple User Login"), IDMEF_IMPACT_TYPE_USER },
	648	{ MSG_UT_LG2B, N_("Multiple User Login"), IDMEF_IMPACT_TYPE_USER },
	649	{ MSG_UT_LG3X, N_("User Logout"), IDMEF_IMPACT_TYPE_USER },
	650	{ MSG_UT_LG3A, N_("User Logout"), IDMEF_IMPACT_TYPE_USER },
	651	{ MSG_UT_LG3B, N_("User Logout"), IDMEF_IMPACT_TYPE_USER },
	652	{ MSG_UT_LG3C, N_("User Logout"), IDMEF_IMPACT_TYPE_USER },
	653	#endif
	654
	655	#if defined(SH_WITH_CLIENT) \|\| defined(SH_STANDALONE)
	656	{ MSG_FI_MISS, N_("File Missing"), IDMEF_IMPACT_TYPE_FILE },
	657	{ MSG_FI_MISS2, N_("File Missing"), IDMEF_IMPACT_TYPE_FILE },
	658	{ MSG_FI_ADD, N_("File Added"), IDMEF_IMPACT_TYPE_FILE },
	659	{ MSG_FI_ADD2, N_("File Added"), IDMEF_IMPACT_TYPE_FILE },
	660	{ MSG_FI_CHAN, N_("File Modified"), IDMEF_IMPACT_TYPE_FILE },
	661	{ MSG_FI_NODIR, N_("File found where directory was expected"), IDMEF_IMPACT_TYPE_FILE },
	662	#endif
	663
	664	#ifdef SH_USE_KERN
	665	{ MSG_KERN_POLICY, N_("Kernel Modified"), IDMEF_IMPACT_TYPE_OTHER },
	666	{ MSG_KERN_POL_CO, N_("Kernel Modified"), IDMEF_IMPACT_TYPE_OTHER },
	667	{ MSG_KERN_PROC, N_("Kernel Modified"), IDMEF_IMPACT_TYPE_OTHER },
	668	{ MSG_KERN_GATE, N_("Kernel Modified"), IDMEF_IMPACT_TYPE_OTHER },
	669	{ MSG_KERN_IDT, N_("Kernel Modified"), IDMEF_IMPACT_TYPE_OTHER },
	670	{ MSG_KERN_SYSCALL, N_("Kernel Modified"), IDMEF_IMPACT_TYPE_OTHER },
	671	#endif
	672
[169]	673	#ifdef SH_USE_PORTCHECK
	674	{ MSG_PORT_MISS, N_("Service closed"), IDMEF_IMPACT_TYPE_OTHER },
	675	{ MSG_PORT_NEW, N_("Service opened"), IDMEF_IMPACT_TYPE_OTHER },
	676	{ MSG_PORT_RESTART, N_("Service restarted"), IDMEF_IMPACT_TYPE_OTHER },
	677	{ MSG_PORT_NEWPORT, N_("Service restarted"), IDMEF_IMPACT_TYPE_OTHER },
	678	#endif
	679
[1]	680	#ifdef SH_USE_SUIDCHK
	681	{ MSG_SUID_POLICY, N_("SUID/SGID File Detected"), IDMEF_IMPACT_TYPE_FILE },
	682	#endif
	683	/*
	684	* This must be the last table entry
	685	*/
	686	{ 0, NULL, IDMEF_IMPACT_TYPE_OTHER },
	687	};
	688
	689	for ( i = 0; tbl[i].name != NULL; i++ ) {
	690	if ( tbl[i].msgid != msgid )
	691	continue;
	692
	693	idmef_impact_set_type(impact, tbl[i].type);
	694	return prelude_string_cat(out, _(tbl[i].name));
	695	}
	696
	697	/* some other message
	698	*/
	699	ptr = get_value(msg, _("msg"), NULL);
	700	if ( ! ptr ) {
	701	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	702	_("could not format Samhain message"), _("map_policy_to_class"));
	703	return -1;
	704	}
[283]	705
	706	#if defined(SH_WITH_SERVER)
	707	/* when using yule, theres a msg=<... msg=<...> >*/
[290]	708	while ( (msg = get_value(ptr, _("msg"), NULL)) ) {
	709	free(ptr);
	710	ptr = msg;
	711	}
[283]	712	#endif
	713
[1]	714	ret = prelude_string_cat(out, ptr);
	715	free(ptr);
	716
	717	return ret;
	718	}
	719
	720
[169]	721	#ifdef SH_USE_PORTCHECK
	722	static int get_service_info(char msg, idmef_alert_t alert)
	723	{
	724	int ret;
	725	long port;
[206]	726	char ptr, new, tmp, ip, srv, protocol, *end;
[169]	727	prelude_string_t *str;
	728	idmef_address_t *address;
	729	idmef_node_t *node;
[180]	730	idmef_user_t *user;
	731	idmef_process_t *process;
[169]	732	idmef_service_t *service;
	733	idmef_source_t *source = idmef_alert_get_next_source(alert, NULL);
[206]	734	struct passwd *pw;
	735	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	736	struct passwd pwd;
[227]	737	char * buffer;
[206]	738	#endif
[1]	739
[169]	740	new = sh_util_strdup(msg);
	741
	742	ptr = strstr(new, _("port: "));
	743	if ( ! ptr ) {
	744	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	745	_("malformed Samhain port check message"), _("get_service_info"));
	746	SH_FREE( new );
	747	return -1;
	748	}
	749
	750	ptr += 6; /* skip 'port: ', position on first byte of interface */
	751	tmp = strchr(ptr, ':');
	752	if ( ! tmp ) {
	753	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	754	_("malformed Samhain port check message (no port)"), _("get_service_info"));
	755	SH_FREE( new );
	756	return -1;
	757	}
	758	*tmp = '\0';
	759
[170]	760	/* Get interface
	761	*/
[169]	762	ip = strdup(ptr);
	763	if ( ip ) {
	764	if ( ! source ) {
	765	ret = idmef_alert_new_source(alert, &source, IDMEF_LIST_APPEND);
	766	if ( ret < 0 ) {
	767	free(ip);
	768	SH_FREE( new );
	769	return ret;
	770	}
	771	}
	772
	773	ret = idmef_source_new_node(source, &node);
	774	if ( ret < 0 ) {
	775	free(ip);
	776	SH_FREE( new );
	777	return ret;
	778	}
	779
	780	ret = idmef_node_new_address(node, &address, IDMEF_LIST_APPEND);
	781	if ( ret < 0 ) {
	782	free(ip);
	783	SH_FREE( new );
	784	return ret;
	785	}
	786
	787	ret = idmef_address_new_address(address, &str);
	788	if ( ret < 0 ) {
	789	free(ip);
	790	SH_FREE( new );
	791	return ret;
	792	}
	793
	794	prelude_string_set_nodup(str, ip);
	795	}
	796
	797	ptr = tmp;
	798	++ptr;
	799	tmp = strchr(ptr, '/');
	800	if ( ! tmp ) {
	801	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	802	_("malformed Samhain port check message (no protocol)"), _("get_service_info"));
	803	SH_FREE( new );
	804	return -1;
	805	}
	806	*tmp = '\0';
	807
[170]	808	/* Get port number
	809	*/
[169]	810	port = strtol(ptr, &end, 0);
	811	if ( ptr && end == '\0' && port >= 0 && port < 65536) {
	812
	813	if ( ! source ) {
	814	ret = idmef_alert_new_source(alert, &source, IDMEF_LIST_APPEND);
	815	if ( ret < 0 ) {
	816	SH_FREE( new );
	817	return ret;
	818	}
	819	}
	820
	821	ret = idmef_source_new_service(source, &service);
	822	if ( ret < 0 ) {
	823	SH_FREE( new );
	824	return ret;
	825	}
	826
	827	idmef_service_set_port(service, port);
[206]	828
	829	ret = idmef_service_new_protocol(service, &str);
	830	if ( ret < 0 ) {
	831	SH_FREE( new );
	832	return ret;
	833	}
	834
	835	++tmp;
	836	if (*tmp) {
	837	char * tmpw = tmp;
	838	char tmpw_store;
	839	while (tmpw && !isblank((int) tmpw)) ++tmpw;
	840	tmpw_store = tmpw; tmpw = '\0';
	841	protocol = strdup(tmp);
	842	*tmpw = tmpw_store;
	843	prelude_string_set_nodup(str, protocol);
	844	}
	845
[169]	846	}
	847
	848	ptr = tmp;
	849	++ptr;
	850	ptr = strchr(ptr, '(');
	851	if ( ! ptr ) {
	852	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	853	_("malformed Samhain port check message (no service)"), _("get_service_info"));
	854	SH_FREE( new );
	855	return -1;
	856	}
	857	++ptr;
	858	tmp = strchr(ptr, ')');
	859	if ( ! tmp ) {
	860	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	861	_("malformed Samhain port check message (service not closed)"), _("get_service_info"));
	862	SH_FREE( new );
	863	return -1;
	864	}
	865	*tmp = '\0';
	866
[170]	867	/* Get service
	868	*/
[169]	869	srv = strdup(ptr);
	870	if ( srv ) {
	871	if ( ! source ) {
	872	ret = idmef_alert_new_source(alert, &source, IDMEF_LIST_APPEND);
	873	if ( ret < 0 ) {
	874	free(srv);
	875	SH_FREE( new );
	876	return ret;
	877	}
	878	}
	879
	880	if ( ! service ) {
	881	ret = idmef_source_new_service(source, &service);
	882	if ( ret < 0 ) {
	883	free(srv);
	884	SH_FREE( new );
	885	return ret;
	886	}
	887	}
	888
[170]	889	ret = idmef_service_new_name(service, &str);
[169]	890	if ( ret < 0 ) {
	891	free(srv);
	892	SH_FREE( new );
	893	return ret;
	894	}
	895
	896	prelude_string_set_nodup(str, srv);
	897	}
	898
	899	SH_FREE( new );
	900
[206]	901	ptr = get_value(msg, _("userid"), NULL);
[180]	902
	903	if ( ptr ) {
	904
[206]	905	idmef_user_id_t * user_id;
	906
[180]	907	ret = idmef_source_new_user(source, &user);
	908	if ( ret < 0 ) {
	909	free(ptr);
	910	return ret;
	911	}
	912
[206]	913	idmef_user_set_category(user, IDMEF_USER_CATEGORY_APPLICATION);
	914
	915	ret = idmef_user_new_user_id(user, &user_id, IDMEF_LIST_APPEND);
[180]	916	if ( ret < 0 ) {
[206]	917	free(ptr);
[180]	918	return ret;
[206]	919	}
	920
	921	idmef_user_id_set_type(user_id, IDMEF_USER_ID_TYPE_CURRENT_USER);
	922
	923	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
[227]	924	buffer = SH_ALLOC(SH_PWBUF_SIZE);
	925	sh_getpwnam_r(ptr, &pwd, buffer, SH_PWBUF_SIZE, &pw);
[206]	926	#else
	927	pw = sh_getpwnam(ptr);
	928	#endif
	929	if ( pw )
	930	idmef_user_id_set_number(user_id, pw->pw_uid);
	931
	932	ret = idmef_user_id_new_name(user_id, &str);
	933	if ( ret < 0 ) {
	934	free(ptr);
[227]	935	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	936	SH_FREE(buffer);
	937	#endif
[206]	938	return ret;
	939	}
[180]	940	prelude_string_set_nodup(str, ptr);
[206]	941
[227]	942	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	943	SH_FREE(buffer);
	944	#endif
[180]	945	}
	946
[227]	947
[180]	948	ptr = get_value(msg, _("path"), NULL);
[206]	949	tmp = get_value(msg, _("pid"), NULL);
[180]	950
	951	if ( ptr ) {
	952
	953	/*
	954	* In term of IDMEF, this is the full path,
	955	* including the name.
	956	*/
	957	ret = idmef_source_new_process(source, &process);
	958	if ( ret < 0 ) {
	959	free(ptr);
	960	return ret;
	961	}
	962
	963	ret = idmef_process_new_path(process, &str);
	964	if ( ret < 0 ) {
	965	free(ptr);
	966	return ret;
	967	}
	968	prelude_string_set_nodup(str, ptr);
	969
[206]	970
	971	if ( NULL != strrchr(ptr, '/') ) {
[180]	972	ret = idmef_process_new_name(process, &str);
	973	if ( ret == 0 ) {
[206]	974	ptr = strrchr(ptr, '/');
[180]	975	prelude_string_set_dup(str, ptr + 1);
	976	}
[206]	977	} else {
	978	ret = idmef_process_new_name(process, &str);
	979	if ( ret == 0 ) {
	980	prelude_string_set_dup(str, ptr);
	981	}
	982	}
	983
	984	idmef_process_set_pid(process, strtoul(tmp, NULL, 0));
[180]	985	}
	986
[206]	987	if (tmp)
	988	free(tmp);
	989
[169]	990	return 0;
	991	}
	992	#endif
	993
[1]	994	static int get_login_info(char msg, idmef_alert_t alert)
	995	{
	996	int ret;
	997	char ptr, ip;
	998	idmef_user_t *user;
	999	idmef_node_t *node;
	1000	struct passwd *pw;
[131]	1001	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	1002	struct passwd pwd;
[227]	1003	char * buffer;
[131]	1004	#endif
[1]	1005	prelude_string_t *str;
	1006	idmef_user_id_t *user_id;
	1007	idmef_address_t *address;
	1008	idmef_target_t *target = idmef_alert_get_next_target(alert, NULL);
	1009	idmef_source_t *source = idmef_alert_get_next_source(alert, NULL);
	1010
	1011	ip = ptr = get_value(msg, _("ip"), NULL);
	1012	if ( ptr ) {
	1013	if ( ! source ) {
[26]	1014	ret = idmef_alert_new_source(alert, &source, IDMEF_LIST_APPEND);
[1]	1015	if ( ret < 0 ) {
	1016	free(ptr);
	1017	return ret;
	1018	}
	1019	}
	1020
	1021	ret = idmef_source_new_node(source, &node);
	1022	if ( ret < 0 ) {
	1023	free(ptr);
	1024	return ret;
	1025	}
	1026
[26]	1027	ret = idmef_node_new_address(node, &address, IDMEF_LIST_APPEND);
[1]	1028	if ( ret < 0 ) {
	1029	free(ptr);
	1030	return ret;
	1031	}
	1032
	1033	ret = idmef_address_new_address(address, &str);
	1034	if ( ret < 0 ) {
	1035	free(ptr);
	1036	return ret;
	1037	}
	1038
	1039	prelude_string_set_nodup(str, ptr);
	1040	}
	1041
	1042	ptr = get_value(msg, _("host"), NULL);
	1043	if ( ptr ) {
	1044	if ( ip && strcmp(ptr, ip) == 0 )
	1045	free(ptr);
	1046	else {
	1047	if ( ! source ) {
[26]	1048	ret = idmef_alert_new_source(alert, &source, IDMEF_LIST_APPEND);
[1]	1049	if ( ret < 0 ) {
	1050	free(ptr);
	1051	return ret;
	1052	}
	1053	}
	1054
	1055	ret = idmef_source_new_node(source, &node);
	1056	if ( ret < 0 ) {
	1057	free(ptr);
	1058	return ret;
	1059	}
	1060
	1061	ret = idmef_node_new_name(node, &str);
	1062	if ( ret < 0 ) {
	1063	free(ptr);
	1064	return ret;
	1065	}
	1066
	1067	prelude_string_set_nodup(str, ptr);
	1068	}
	1069	}
	1070
	1071	ptr = get_value(msg, _("name"), NULL);
	1072	if ( ptr ) {
	1073	ret = idmef_target_new_user(target, &user);
	1074	if ( ret < 0 ) {
	1075	free(ptr);
	1076	return ret;
	1077	}
	1078
	1079	idmef_user_set_category(user, IDMEF_USER_CATEGORY_OS_DEVICE);
	1080
[26]	1081	ret = idmef_user_new_user_id(user, &user_id, IDMEF_LIST_APPEND);
[1]	1082	if ( ret < 0 ) {
	1083	free(ptr);
	1084	return ret;
	1085	}
	1086
	1087	idmef_user_id_set_type(user_id, IDMEF_USER_ID_TYPE_TARGET_USER);
	1088
[131]	1089	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
[227]	1090	buffer = SH_ALLOC(SH_PWBUF_SIZE);
	1091	sh_getpwnam_r(ptr, &pwd, buffer, SH_PWBUF_SIZE, &pw);
[131]	1092	#else
	1093	pw = sh_getpwnam(ptr);
	1094	#endif
[1]	1095	if ( pw )
	1096	idmef_user_id_set_number(user_id, pw->pw_uid);
	1097
	1098	ret = idmef_user_id_new_name(user_id, &str);
	1099	if ( ret < 0 ) {
	1100	free(ptr);
[227]	1101	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	1102	SH_FREE(buffer);
	1103	#endif
[1]	1104	return ret;
	1105	}
	1106	prelude_string_set_nodup(str, ptr);
	1107
	1108	ptr = get_value(msg, _("tty"), NULL);
	1109	if ( ptr ) {
	1110	ret = idmef_user_id_new_tty(user_id, &str);
	1111	if ( ret < 0 ) {
	1112	free(ptr);
[227]	1113	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	1114	SH_FREE(buffer);
	1115	#endif
[1]	1116	return ret;
	1117	}
	1118
	1119	prelude_string_set_nodup(str, ptr);
	1120	}
[227]	1121	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
	1122	SH_FREE(buffer);
	1123	#endif
[1]	1124	}
	1125
	1126	ptr = get_time_value(msg, _("time"), NULL);
	1127	if ( ptr ) {
	1128	idmef_time_t *time;
	1129
	1130	ret = idmef_time_from_samhain(&time, ptr);
	1131	free(ptr);
	1132
	1133	if ( ret < 0 )
	1134	return ret;
	1135
	1136	idmef_alert_set_detect_time(alert, time);
	1137	}
	1138
	1139	return 0;
	1140	}
	1141
[342]	1142	#if defined(SH_WITH_SERVER)
[283]	1143	static int node_set_address(idmef_node_t node, const char addr)
	1144	{
	1145	int ret;
	1146	prelude_string_t *prelude_str;
	1147	idmef_address_t *idmef_addr;
	1148
	1149	ret = prelude_string_new(&prelude_str);
	1150	if ( ret < 0 )
	1151	goto err;
	1152
	1153	ret = prelude_string_set_ref(prelude_str, addr);
	1154	if ( ret < 0 )
	1155	goto err;
	1156
	1157	ret = idmef_address_new(&idmef_addr);
	1158	if ( ret < 0 )
	1159	goto err;
	1160
	1161	idmef_address_set_category(idmef_addr, IDMEF_ADDRESS_CATEGORY_IPV4_ADDR);
	1162	idmef_address_set_address(idmef_addr, prelude_str);
	1163	idmef_node_set_address(node, idmef_addr, 0);
	1164
	1165	return 0;
	1166	err:
	1167	return -1;
	1168	}
[342]	1169	#endif
[283]	1170
	1171
[1]	1172	static int samhain_alert_prelude(int priority, int sh_class,
[342]	1173	char *message, unsigned long msgid,
	1174	char * inet_peer_ip)
[1]	1175	{
	1176	int ret;
	1177	idmef_time_t *time;
	1178	idmef_alert_t *alert;
	1179	idmef_message_t *idmef;
	1180	idmef_classification_t *classification;
	1181	idmef_assessment_t *assessment;
	1182	idmef_additional_data_t *data;
	1183	idmef_impact_t *impact;
	1184	idmef_target_t *target;
	1185	idmef_confidence_t *confidence;
	1186	prelude_string_t *str;
[283]	1187	#if defined(SH_WITH_SERVER)
	1188	idmef_node_t *node;
[342]	1189	#else
	1190	(void) inet_peer_ip;
[283]	1191	#endif
[1]	1192
[15]	1193	if ( !client \|\| sh_class == STAMP)
[1]	1194	return 0;
	1195
	1196	ret = idmef_message_new(&idmef);
	1197	if ( ret < 0 )
	1198	goto err;
	1199
	1200	ret = idmef_message_new_alert(idmef, &alert);
	1201	if ( ret < 0 )
	1202	goto err;
	1203
[26]	1204	idmef_alert_set_analyzer(alert, idmef_analyzer_ref(prelude_client_get_analyzer(client)), IDMEF_LIST_PREPEND);
[1]	1205
	1206	ret = idmef_time_new_from_gettimeofday(&time);
	1207	if ( ret < 0 )
	1208	goto err;
	1209	idmef_alert_set_detect_time(alert, time);
	1210
	1211	ret = idmef_time_new_from_gettimeofday(&time);
	1212	if ( ret < 0 )
	1213	goto err;
	1214	idmef_alert_set_create_time(alert, time);
	1215
	1216	ret = idmef_alert_new_classification(alert, &classification);
	1217	if ( ret < 0 )
	1218	goto err;
	1219
[26]	1220	ret = idmef_alert_new_target(alert, &target, IDMEF_LIST_APPEND);
[1]	1221	if ( ret < 0 )
	1222	goto err;
	1223
	1224	idmef_target_set_decoy(target, IDMEF_TARGET_DECOY_NO);
[283]	1225
	1226	#if defined(SH_WITH_SERVER)
	1227	if ( inet_peer_ip != NULL){
	1228	ret = idmef_target_new_node(target, &node);
[290]	1229	if ( ret < 0 )
	1230	goto err;
[1]	1231
[283]	1232	ret = node_set_address(node, inet_peer_ip);
	1233	if ( ret < 0 )
	1234	goto err;
	1235
	1236	idmef_target_set_node(target, idmef_node_ref(node));
	1237	}
	1238	else
[290]	1239	#endif
[1]	1240	if ( idmef_analyzer_get_node(prelude_client_get_analyzer(client)) ) {
	1241	idmef_node_ref(idmef_analyzer_get_node(prelude_client_get_analyzer(client)));
	1242	idmef_target_set_node(target, idmef_analyzer_get_node(prelude_client_get_analyzer(client)));
	1243	}
[290]	1244
[1]	1245	if ( strstr(message, _("path=")) ) {
[2]	1246	#if defined(SH_WITH_CLIENT) \|\| defined(SH_STANDALONE)
[1]	1247	if ( msgid != MSG_FI_ADD && msgid != MSG_FI_ADD2 )
	1248	get_file_infos(target, message, IDMEF_FILE_CATEGORY_ORIGINAL);
[2]	1249	#endif
[1]	1250
	1251	get_file_infos(target, message, IDMEF_FILE_CATEGORY_CURRENT);
	1252	}
	1253
	1254	ret = idmef_alert_new_assessment(alert, &assessment);
	1255	if ( ret < 0 )
	1256	goto err;
	1257
	1258	ret = idmef_assessment_new_impact(assessment, &impact);
	1259	if ( ret < 0 )
	1260	goto err;
	1261
	1262	ret = idmef_classification_new_text(classification, &str);
	1263	if ( ret < 0 )
	1264	goto err;
	1265
	1266	ret = get_login_info(message, alert);
	1267	if ( ret < 0 )
	1268	goto err;
	1269
[169]	1270	#ifdef SH_USE_PORTCHECK
	1271	if (msgid == MSG_PORT_MISS \|\| msgid == MSG_PORT_NEW \|\| msgid == MSG_PORT_RESTART \|\| msgid == MSG_PORT_NEWPORT) {
	1272	ret = get_service_info(message, alert);
	1273	if ( ret < 0 )
	1274	goto err;
	1275	}
	1276	#endif
	1277
[1]	1278	map_policy_to_class(message, msgid, impact, str);
	1279
	1280	#if 0
	1281	if ( priority == SH_ERR_SEVERE \|\| priority == SH_ERR_FATAL )
	1282	idmef_impact_set_severity(impact, IDMEF_IMPACT_SEVERITY_HIGH);
	1283
	1284	else if ( priority == SH_ERR_ALL \|\| priority == SH_ERR_INFO \|\| priority == SH_ERR_NOTICE )
	1285	idmef_impact_set_severity(impact, IDMEF_IMPACT_SEVERITY_LOW);
	1286
	1287	else
	1288	idmef_impact_set_severity(impact, IDMEF_IMPACT_SEVERITY_MEDIUM);
	1289	#endif
	1290	idmef_impact_set_severity(impact, map_severity(priority));
	1291
	1292	idmef_impact_set_completion(impact, IDMEF_IMPACT_COMPLETION_SUCCEEDED);
	1293
	1294	ret = idmef_assessment_new_confidence(assessment, &confidence);
	1295	if ( ret < 0 )
	1296	goto err;
	1297
	1298	idmef_confidence_set_rating(confidence, IDMEF_CONFIDENCE_RATING_HIGH);
	1299
[26]	1300	ret = idmef_alert_new_additional_data(alert, &data, IDMEF_LIST_APPEND);
[1]	1301	if ( ret < 0 )
	1302	goto err;
	1303
	1304	ret = idmef_additional_data_new_meaning(data, &str);
	1305	if ( ret < 0 )
	1306	goto err;
	1307
	1308	prelude_string_set_dup(str, _("Message generated by Samhain"));
	1309	idmef_additional_data_set_type(data, IDMEF_ADDITIONAL_DATA_TYPE_STRING);
	1310	idmef_additional_data_set_string_ref(data, message);
	1311
	1312	/* debug_print_message(idmef); */
	1313
	1314	prelude_client_send_idmef(client, idmef);
	1315	idmef_message_destroy(idmef);
	1316
	1317	return 0;
	1318
	1319	err:
	1320	idmef_message_destroy(idmef);
	1321	return -1;
	1322	}
	1323
	1324
[283]	1325	int sh_prelude_alert(int priority, int sh_class, char message, long msgflags, unsigned long msgid, char inet_peer_ip)
[1]	1326	{
	1327	int ret;
	1328
	1329	(void) msgflags; /* fix compiler warning */
	1330
[15]	1331	if ( initialized < 1 )
[1]	1332	return -1;
	1333
[283]	1334	ret = samhain_alert_prelude(priority, sh_class, message, msgid, inet_peer_ip);
[1]	1335	if ( ret < 0 ) {
	1336	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	1337	_("Problem with IDMEF for prelude-ids support: alert lost"),
	1338	_("sh_prelude_alert"));
	1339	}
	1340
	1341	return ret;
	1342	}
	1343
	1344
	1345
[22]	1346	int sh_prelude_set_profile(const char *arg)
[1]	1347	{
	1348	if ( profile ) {
	1349	free(profile);
	1350	profile = NULL;
	1351	}
	1352
	1353	if ( arg ) {
	1354	profile = strdup(arg);
	1355	if ( ! profile )
	1356	return -1;
	1357	}
	1358
	1359	return 0;
	1360	}
	1361
[86]	1362	/* Allow initialization of prelude; to be called
	1363	* after forking the daemon. Delays heartbeat
	1364	* start after config read until it is safe.
	1365	*/
[1]	1366	void sh_prelude_reset(void)
	1367	{
	1368	extern void sh_error_init_prelude();
	1369
	1370	ready_for_init = 1;
	1371	sh_error_init_prelude();
	1372	return;
	1373	}
	1374
	1375
	1376
	1377	void sh_prelude_stop(void)
	1378	{
	1379	if (initialized < 1)
	1380	return;
[108]	1381
	1382	if (sh.flag.isdaemon == S_TRUE)
	1383	prelude_client_destroy(client, PRELUDE_CLIENT_EXIT_STATUS_FAILURE);
	1384	else
	1385	prelude_client_destroy(client, PRELUDE_CLIENT_EXIT_STATUS_SUCCESS);
	1386
[15]	1387	client = NULL;
[108]	1388
	1389	prelude_deinit();
	1390
[1]	1391	initialized = 0;
	1392	return;
	1393	}
	1394
	1395
	1396
	1397	int sh_prelude_init(void)
	1398	{
	1399	int ret;
	1400	prelude_string_t *str;
	1401	idmef_analyzer_t *analyzer;
	1402	prelude_client_flags_t flags;
[20]	1403	#ifdef SH_NOFAILOVER
	1404	prelude_connection_pool_t *pool;
	1405	prelude_connection_pool_flags_t conn_flags;
	1406	#endif
[1]	1407
	1408	if (ready_for_init == 0)
	1409	return initialized;
	1410
	1411	if (initialized > 0)
	1412	return initialized;
	1413
	1414	prelude_thread_init(NULL);
[20]	1415	prelude_init(&sh_argc_store, sh_argv_store);
[1]	1416
	1417	ret = prelude_client_new(&client, profile ? profile : _("samhain"));
	1418	if ( ret < 0 ) {
	1419	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	1420	_("Failed to initialize Prelude"), _("sh_prelude_init"));
	1421	initialized = -1;
	1422	return -1;
	1423	}
	1424
	1425	/*
	1426	* Enable automatic heartbeat sending.
	1427	*/
	1428	flags = prelude_client_get_flags(client);
	1429	ret = prelude_client_set_flags(client, flags \| PRELUDE_CLIENT_FLAGS_ASYNC_TIMER);
	1430
	1431	analyzer = prelude_client_get_analyzer(client);
	1432
	1433	ret = idmef_analyzer_new_model(analyzer, &str);
	1434	prelude_string_set_dup(str, IDMEF_ANALYZER_MODEL);
	1435
	1436	ret = idmef_analyzer_new_class(analyzer, &str);
	1437	prelude_string_set_dup(str, IDMEF_ANALYZER_CLASS);
	1438
	1439	ret = idmef_analyzer_new_version(analyzer, &str);
	1440	prelude_string_set_dup(str, IDMEF_ANALYZER_VERSION);
	1441
[20]	1442	#ifdef SH_NOFAILOVER
	1443	pool = prelude_client_get_connection_pool(client);
	1444	conn_flags = prelude_connection_pool_get_flags(pool);
	1445
	1446	conn_flags &= ~PRELUDE_CONNECTION_POOL_FLAGS_FAILOVER;
	1447	prelude_connection_pool_set_flags(pool, conn_flags);
	1448	#endif
	1449
[1]	1450	ret = prelude_client_start(client);
	1451	if ( ret < 0 ) {
	1452	prelude_perror(ret, _("error starting prelude client"));
	1453
	1454	if ( prelude_client_is_setup_needed(ret) )
	1455	prelude_client_print_setup_error(client);
	1456
	1457	sh_error_handle((-1), FIL__, __LINE__, -1, MSG_E_SUBGEN,
	1458	_("Failed to start Prelude"), _("sh_prelude_init"));
	1459	initialized = -1;
	1460	return -1;
	1461	}
	1462
	1463	initialized = 1;
	1464	return 1;
	1465	}
	1466
	1467	/* HAVE_LIBPRELUDE_9 */
	1468	#endif
	1469

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source: trunk/src/sh_prelude.c@ 577

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