source: trunk/src/sh_database.c@ 12

Last change on this file since 12 was 12, checked in by rainer, 19 years ago

More optimisation
File size: 46.2 KB
RevLine 
[1]1/* SAMHAIN file system integrity testing */
2/* Copyright (C) 2001 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#include <stdio.h>
23#include <stdlib.h>
24#include <stdarg.h>
25#include <stddef.h>
26#include <string.h>
27#include <ctype.h>
28#include <sys/types.h>
29
30#ifdef WITH_DATABASE
31
32/* define this if you want to debug the Oracle database support */
33/* #define DB_DEBUG */
34
[11]35#define SH_REAL_SET
36
[1]37#include "samhain.h"
38
39#include "sh_cat.h"
40#include "sh_error.h"
41#include "sh_utils.h"
42
[3]43extern int safe_logger (int signal, int method, pid_t thepid);
44
[1]45#undef FIL__
46#define FIL__ _("sh_database.c")
47
48typedef struct my_attr_
49{
50 char * attr;
51 char * attr_o;
52 int inHash;
53 int val;
54 int size;
[12]55 int alen;
[1]56 size_t off;
57} my_attr;
58
59typedef struct dbins_ {
60 struct dbins_ * next;
61 char host[64];
62 char time[20];
63 char msg[1024];
64 char sev[8];
65 char path[12288];
66 char user[9];
67 char group[9];
68 char program[8];
69 char subroutine[16];
70 char status[12];
71 char hash[50];
72 char path_data[1024];
73 char hash_data[50];
74 char key_uid[64];
75 char key_uid_data[64];
76 char key_id[16];
77 char module[8];
78 char syscall[16];
79 char ip[16];
80 char tty[16];
81 char peer[64];
82 char fromhost[64];
83 char obj[1024];
84 char interface[64];
85 char ltime[64];
86 char dir[1024];
87 char linked_path[1024];
88 char service[64];
89 char facility[32];
90 char priority[32];
91 char syslog_msg[1024];
92
93 char mode_old[16];
94 char mode_new[16];
95 char attr_old[16];
96 char attr_new[16];
97 char device_old[16];
98 char device_new[16];
99 char owner_old[9];
100 char owner_new[9];
101 char group_old[9];
102 char group_new[9];
103 char ctime_old[20];
104 char ctime_new[20];
105 char atime_old[20];
106 char atime_new[20];
107 char mtime_old[20];
108 char mtime_new[20];
109 char chksum_old[50];
110 char chksum_new[50];
111 char link_old[1024];
112 char link_new[1024];
113
114 long long_data[20];
115
116 /*
117 long size_old;
118 long size_new;
119 long hardlinks_old;
120 long hardlinks_new;
121 long inode_old;
122 long inode_new;
123 */
124
125} dbins;
126
[12]127static my_attr * attr_tab_srch = NULL;
128static int attr_tab_srch_siz = 0;
129
[1]130static my_attr attr_tab[] = {
[12]131 { NULL, N_("sev"), 0, 1, 8, 0, offsetof(struct dbins_, sev) },
132 { NULL, N_("tstamp"), 0, 2, 16, 0, offsetof(struct dbins_, time) },
133 { NULL, N_("remote_host"), 0, 3, 64, 0, offsetof(struct dbins_, host) },
134 { NULL, N_("msg"), 0, 4, 1024, 0, offsetof(struct dbins_, msg) },
[1]135
[12]136 { NULL, N_("path"), 0, 5,12288, 0, offsetof(struct dbins_, path) },
[1]137 /* username -> userid; replace (long) 'userid' - below - by 'dummy' */
[12]138 { NULL, N_("userid"), 0, 6, 9, 0, offsetof(struct dbins_, user) },
139 { NULL, N_("group"), 0, 7, 9, 0, offsetof(struct dbins_, group) },
140 { NULL, N_("program"), 0, 8, 8, 0, offsetof(struct dbins_, program) },
141 { NULL, N_("subroutine"), 0, 9, 16, 0, offsetof(struct dbins_, subroutine)},
142 { NULL, N_("status"), 0, 10, 12, 0, offsetof(struct dbins_, status) },
143 { NULL, N_("hash"), 0, 11, 50, 0, offsetof(struct dbins_, hash) },
144 { NULL, N_("path_data"), 0, 12, 1024, 0, offsetof(struct dbins_, path_data) },
145 { NULL, N_("hash_data"), 0, 13, 50, 0, offsetof(struct dbins_, hash_data) },
146 { NULL, N_("key_uid"), 0, 14, 64, 0, offsetof(struct dbins_, key_uid) },
147 { NULL, N_("key_uid_data"),0, 15, 64, 0, offsetof(struct dbins_, key_uid_data)},
148 { NULL, N_("key_id"), 0, 16, 16, 0, offsetof(struct dbins_, key_id) },
149 { NULL, N_("module"), 0, 17, 8, 0, offsetof(struct dbins_, module) },
150 { NULL, N_("syscall"), 0, 19, 16, 0, offsetof(struct dbins_, syscall) },
151 { NULL, N_("ip"), 0, 20, 16, 0, offsetof(struct dbins_, ip) },
152 { NULL, N_("tty"), 0, 21, 16, 0, offsetof(struct dbins_, tty) },
153 { NULL, N_("peer"), 0, 22, 64, 0, offsetof(struct dbins_, peer) },
154 { NULL, N_("obj"), 0, 23, 1024, 0, offsetof(struct dbins_, obj) },
155 { NULL, N_("interface"), 0, 24, 64, 0, offsetof(struct dbins_, interface)},
156 { NULL, N_("time"), 0, 25, 64, 0, offsetof(struct dbins_, ltime) },
157 { NULL, N_("dir"), 0, 26, 1024, 0, offsetof(struct dbins_, dir) },
158 { NULL, N_("linked_path"), 0, 27, 1024, 0, offsetof(struct dbins_, linked_path)},
159 { NULL, N_("service"), 0, 29, 64, 0, offsetof(struct dbins_, service)},
160 { NULL, N_("facility"), 0, 30, 32, 0, offsetof(struct dbins_, facility) },
161 { NULL, N_("priority"), 0, 31, 32, 0, offsetof(struct dbins_, priority) },
162 { NULL, N_("syslog_msg"), 0, 32, 1024, 0, offsetof(struct dbins_, syslog_msg) },
[1]163
[12]164 { NULL, N_("mode_old"), 0, 33, 16, 0, offsetof(struct dbins_, mode_old) },
165 { NULL, N_("mode_new"), 0, 34, 16, 0, offsetof(struct dbins_, mode_new) },
166 { NULL, N_("device_old"), 0, 35, 16, 0, offsetof(struct dbins_, device_old)},
167 { NULL, N_("device_new"), 0, 36, 16, 0, offsetof(struct dbins_, device_new)},
168 { NULL, N_("owner_old"), 0, 37, 9, 0, offsetof(struct dbins_, owner_old)},
169 { NULL, N_("owner_new"), 0, 38, 9, 0, offsetof(struct dbins_, owner_new)},
170 { NULL, N_("group_old"), 0, 39, 9, 0, offsetof(struct dbins_, group_old)},
171 { NULL, N_("group_new"), 0, 40, 9, 0, offsetof(struct dbins_, group_new)},
172 { NULL, N_("ctime_old"), 0, 41, 20, 0, offsetof(struct dbins_, ctime_old)},
173 { NULL, N_("ctime_new"), 0, 42, 20, 0, offsetof(struct dbins_, ctime_new)},
174 { NULL, N_("atime_old"), 0, 43, 20, 0, offsetof(struct dbins_, atime_old)},
175 { NULL, N_("atime_new"), 0, 44, 20, 0, offsetof(struct dbins_, atime_new)},
176 { NULL, N_("mtime_old"), 0, 45, 20, 0, offsetof(struct dbins_, mtime_old)},
177 { NULL, N_("mtime_new"), 0, 46, 20, 0, offsetof(struct dbins_, mtime_new)},
178 { NULL, N_("chksum_old"), 0, 47, 50, 0, offsetof(struct dbins_, chksum_old)},
179 { NULL, N_("chksum_new"), 0, 48, 50, 0, offsetof(struct dbins_, chksum_new)},
180 { NULL, N_("link_old"), 0, 49, 1024, 0, offsetof(struct dbins_, link_old)},
181 { NULL, N_("link_new"), 0, 50, 1024, 0, offsetof(struct dbins_, link_new)},
182
183 { NULL, N_("size_old"), 0, 51, 0, 0, 0 },
184 { NULL, N_("size_new"), 0, 52, 0, 0, 0 },
185 { NULL, N_("hardlinks_old"),0, 53, 0, 0, 0 },
186 { NULL, N_("hardlinks_new"),0, 54, 0, 0, 0 },
187 { NULL, N_("inode_old"), 0, 55, 0, 0, 0 },
188 { NULL, N_("inode_new"), 0, 56, 0, 0, 0 },
189
190 { NULL, N_("imode_old"), 0, 57, 0, 0, 0 },
191 { NULL, N_("imode_new"), 0, 58, 0, 0, 0 },
192 { NULL, N_("iattr_old"), 0, 59, 0, 0, 0 },
193 { NULL, N_("iattr_new"), 0, 60, 0, 0, 0 },
194 { NULL, N_("idevice_old"), 0, 61, 0, 0, 0 },
195 { NULL, N_("idevice_new"), 0, 62, 0, 0, 0 },
196 { NULL, N_("iowner_old"), 0, 63, 0, 0, 0 },
197 { NULL, N_("iowner_new"), 0, 64, 0, 0, 0 },
198 { NULL, N_("igroup_old"), 0, 65, 0, 0, 0 },
199 { NULL, N_("igroup_new"), 0, 66, 0, 0, 0 },
[1]200
[12]201 { NULL, N_("port"), 0, 67, 0, 0, 0 },
202 { NULL, N_("return_code"), 0, 68, 0, 0, 0 },
[1]203 /* { NULL, N_("userid"), 0, 69, 0, 0 }, old 'userid', 1.8.1 */
204
[12]205 { NULL, N_("host"), 0, 70, 64, 0, offsetof(struct dbins_, fromhost)},
206 { NULL, N_("attr_old"), 0, 71, 16, 0, offsetof(struct dbins_, attr_old)},
207 { NULL, N_("attr_new"), 0, 72, 16, 0, offsetof(struct dbins_, attr_new)},
[1]208
[12]209 { NULL, NULL, 0, 0, 0, 0, 0 }
[1]210};
211
212#define SH_SLOT_HOST 70
213#define SH_SLOT_GROUP 7
214#define START_SEC_LONGS 51
215#define END_SEC_LONGS 68
216
217#if defined(HAVE_INT_32)
218typedef unsigned int uint32;
219#elif defined(HAVE_LONG_32)
220typedef unsigned long uint32;
221#elif defined(HAVE_SHORT_32)
222typedef unsigned short uint32;
223#else
224#error No 32 byte type found !
225#endif
226
227typedef unsigned char uint8;
228
229typedef struct
230{
231 uint32 h[4];
232 uint32 data[16];
233 uint8 offset;
234 uint32 nblocks;
235 int count;
236} md5Param;
237
238
239
240typedef unsigned char sh_byte;
241
242
243extern int md5Reset(register md5Param* p);
244extern int md5Update(md5Param* p, const sh_byte* data, int size);
245extern int md5Digest(md5Param* p, uint32* data);
246
247static char db_name[64] = "";
248static char db_table[64] = "";
249static char db_host[64] = "";
250static char db_user[64] = "";
251static char db_password[64] = "";
252
253static int sh_persistent_dbconn = S_TRUE;
254
255int sh_database_use_persistent (char * str)
256{
257 return sh_util_flagval (str, &sh_persistent_dbconn);
258}
259
260static int insert_value (char * ptr, char * str)
261{
262 if (!ptr || !str)
263 return -1;
264 if (strlen(str) > 63)
265 return -1;
266 (void) sl_strlcpy(ptr, str, 64);
267 return 0;
268}
269
270static void init_db_entry (dbins * ptr)
271{
272 memset (ptr, (int) '\0', sizeof(dbins));
273 ptr->next = NULL;
274 return;
275}
276
277
278int sh_database_set_database (char * str)
279{
280 return insert_value (db_name, str);
281}
282int sh_database_set_table (char * str)
283{
284 return insert_value (db_table, str);
285}
286int sh_database_set_host (char * str)
287{
288 return insert_value (db_host, str);
289}
290int sh_database_set_user (char * str)
291{
292 return insert_value (db_user, str);
293}
294int sh_database_set_password (char * str)
295{
296 return insert_value (db_password, str);
297}
298
299/******************************************************************
300 *
301 * Oracle and unixODBC stuff, only Oracle tested untested
302 *
303 * Based on the code in the snort output plugin (spo_database.c).
304 * Copyright/license statement in spo_database.c:
305 *
306 * Portions Copyright (C) 2000,2001,2002 Carnegie Mellon University
307 * Copyright (C) 2001 Jed Pickel <jed@pickel.net>
308 * Portions Copyright (C) 2001 Andrew R. Baker <andrewb@farm9.com>
309 *
310 * This program is free software; you can redistribute it and/or modify
311 * it under the terms of the GNU General Public License as published by
312 * the Free Software Foundation; either version 2 of the License, or
313 * (at your option) any later version.
314 *
315 * This program is distributed in the hope that it will be useful,
316 * but WITHOUT ANY WARRANTY; without even the implied warranty of
317 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
318 * GNU General Public License for more details.
319 *
320 * You should have received a copy of the GNU General Public License
321 * along with this program; if not, write to the Free Software
322 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
323 *
324 ******************************************************************/
325#ifdef WITH_ODBC
326
327#include <sql.h>
328#include <sqlext.h>
329#include <sqltypes.h>
330
331static SQLHENV u_handle;
332static SQLHDBC u_connection;
333static SQLHSTMT u_statement;
334static SQLINTEGER u_col;
335static SQLINTEGER u_rows;
336
337void sh_database_reset()
338{
339 return;
340}
341
342static
343int sh_database_query (char * query, /*@out@*/ long * id)
344{
345 static int fatal_error = 0;
346 int result = 0;
347 char row_query[128];
348 long result_call;
349
350 SL_ENTER(_("sh_database_query"));
351
352 *id = 0;
353
354 if (fatal_error == 1)
355 {
356 SL_RETURN((-1), _("sh_database_query"));
357 }
358
359 /* Connect
360 */
361 if (db_name[0] == '\0')
362 sl_strlcpy(db_name, _("samhain"), 64);
363
364 if (db_user[0] == '\0')
365 sl_strlcpy(db_user, _("samhain"), 64);
366
367 result_call = SQLAllocEnv(&u_handle);
368 if ((result_call != SQL_SUCCESS) && (result_call != SQL_SUCCESS_WITH_INFO))
369 {
370 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, result_call,
371 MSG_E_SUBGEN,
372 _("Error in SQLAllocEnv when connecting to ODBC data source"),
373 _("sh_database_query"));
374 fatal_error = 1;
375 SL_RETURN((-1), _("sh_database_query"));
376 }
377 result_call = SQLAllocConnect(u_handle, &u_connection);
378 if ((result_call != SQL_SUCCESS) && (result_call != SQL_SUCCESS_WITH_INFO))
379 {
380 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, result_call,
381 MSG_E_SUBGEN,
382 _("Error in SQLAllocEnv when connecting to ODBC data source"),
383 _("sh_database_query"));
384 fatal_error = 1;
385 SL_RETURN((-1), _("sh_database_query"));
386 }
387 result_call = SQLConnect(u_connection, db_name, SQL_NTS,
388 db_user, SQL_NTS, db_password, SQL_NTS);
389 if ((result_call != SQL_SUCCESS) && (result_call != SQL_SUCCESS_WITH_INFO))
390 {
391 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, result_call,
392 MSG_E_SUBGEN,
393 _("Error in SQLAllocEnv when connecting to ODBC data source"),
394 _("sh_database_query"));
395 fatal_error = 1;
396 SL_RETURN((-1), _("sh_database_query"));
397 }
398
399 /* Insert
400 */
401 result_call = SQLAllocStmt(u_connection, &u_statement);
402 if ((result_call == SQL_SUCCESS) || (result_call == SQL_SUCCESS_WITH_INFO))
403 {
404 result_call = SQLPrepare(u_statement, query, SQL_NTS);
405 if ((result_call == SQL_SUCCESS) ||
406 (result_call == SQL_SUCCESS_WITH_INFO))
407 {
408 result_call = SQLExecute(u_statement);
409 if((result_call == SQL_SUCCESS) ||
410 (result_call == SQL_SUCCESS_WITH_INFO))
411 {
412 result = 1;
413 }
414 }
415 }
416
417 if (result == 0)
418 {
419 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
420 _("Error inserting into ODBC data source"),
421 _("sh_database_query"));
422 goto odbc_disconnect;
423 }
424
425 /* Select
426 */
427 result = 0;
428
429 sl_strlcpy (row_query, _("SELECT MAX(log_index) FROM "), 128);
430 sl_strlcat (row_query, db_table, 128);
431
432 result_call = SQLAllocStmt(u_connection, &u_statement);
433 if ((result_call == SQL_SUCCESS) ||
434 (result_call == SQL_SUCCESS_WITH_INFO))
435 {
436 result_call = SQLPrepare(u_statement, row_query, SQL_NTS);
437 if ((result_call == SQL_SUCCESS) ||
438 (result_call == SQL_SUCCESS_WITH_INFO))
439 {
440 result_call = SQLExecute(u_statement);
441 if ((result_call == SQL_SUCCESS) ||
442 (result_call == SQL_SUCCESS_WITH_INFO))
443 {
444 result_call = SQLRowCount(u_statement, &u_rows);
445 if ((result_call == SQL_SUCCESS) ||
446 (result_call == SQL_SUCCESS_WITH_INFO))
447 {
448 if((u_rows) && (u_rows == 1))
449 {
450 result_call = SQLFetch(u_statement);
451 if ((result_call == SQL_SUCCESS) ||
452 (result_call == SQL_SUCCESS_WITH_INFO))
453 {
454 result_call = SQLGetData(u_statement, 1,
455 SQL_INTEGER, &u_col,
456 sizeof(u_col), NULL);
457 if ((result_call == SQL_SUCCESS) ||
458 (result_call == SQL_SUCCESS_WITH_INFO))
459 {
460 *id = (long int) u_col;
461 result = 1;
462 }
463 }
464 }
465 }
466 }
467 }
468 }
469
470 if (result == 0)
471 {
472 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
473 _("Error selecting MAX(log_index) from ODBC data source"),
474 _("sh_database_query"));
475 }
476
477 odbc_disconnect:
478 SQLFreeHandle(SQL_HANDLE_STMT, u_statement);
479 SQLDisconnect(u_connection);
480 SQLFreeHandle(SQL_HANDLE_DBC, u_connection);
481 SQLFreeHandle(SQL_HANDLE_ENV, u_handle);
482
483 SL_RETURN(((result == 0) ? -1 : 0), _("sh_database_query"));
484
485}
486
487/* #ifdef WITH_ODBC */
488#endif
489
490#ifdef WITH_ORACLE
491
492#include <oci.h>
493
494static OCIDefine * o_define;
495static OCIEnv * o_environment;
496static OCISvcCtx * o_servicecontext;
497static OCIError * o_error = NULL;
498static OCIStmt * o_statement;
499static text o_errormsg[512];
500static sb4 o_errorcode;
501
502static int connected = 0;
503
504void sh_database_reset()
505{
506 if (connected == 1)
507 {
508 OCILogoff(o_servicecontext, o_error);
509 OCIHandleFree((dvoid *) o_statement, OCI_HTYPE_STMT);
510 OCIHandleFree((dvoid *) o_servicecontext, OCI_HTYPE_SVCCTX);
511 OCIHandleFree((dvoid *) o_error, OCI_HTYPE_ERROR);
512 o_error = NULL;
513 }
514 connected = 0;
515 return;
516}
517
518static char * sh_stripnl (char * str)
519{
520 size_t len = sl_strlen(str);
521 if (len > 0)
522 {
523 if (str[len-1] == '\n')
524 str[len-1] == '\0';
525 }
526 return str;
527}
528
529static
530int sh_database_query (char * query, /*@out@*/ long * id)
531{
532 static int bad_init = 0;
533 int result = 0;
534 char row_query[128];
535 int retry = 0;
536
537 SL_ENTER(_("sh_database_query"));
538
539 *id = 0;
540
541 if (bad_init == 1) {
542 SL_RETURN(-1, _("sh_database_query"));
543 }
544 else if (connected == 1) {
545 goto oracle_connected;
546 }
547
548 /*
549 * Connect
550 */
551#define PRINT_ORACLE_ERR(func_name) \
552 do { \
553 OCIErrorGet(o_error, 1, NULL, &o_errorcode, \
554 o_errormsg, sizeof(o_errormsg), \
555 OCI_HTYPE_ERROR); \
556 sh_stripnl (o_errormsg); \
557 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN, \
558 o_errormsg, _("sh_database_query")); \
559 sl_snprintf(row_query, 127, \
560 _("%s: Connection to database '%s' failed"), \
561 func_name, db_name); \
562 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN, \
563 row_query, _("sh_database_query")); \
564 bad_init = 1; \
565 SL_RETURN(-1, _("sh_database_query")); \
566 } while (1 == 0)
567
568 oracle_doconnect:
569
570 if (!getenv("ORACLE_HOME"))
571 {
572 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
573 _("ORACLE_HOME environment variable not set"),
574 _("sh_database_query"));
575 }
576 if (db_name[0] == '\0')
577 {
578 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
579 _("database name not set, using default 'samhain'"),
580 _("sh_database_query"));
581 sl_strlcpy(db_name, _("samhain"), 64);
582 }
583 if (db_user[0] == '\0')
584 {
585 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
586 _("database user not set, using default 'samhain'"),
587 _("sh_database_query"));
588 sl_strlcpy(db_user, _("samhain"), 64);
589 }
590 if (db_password[0] == '\0')
591 {
592 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
593 _("database password not set, cannot proceed"),
594 _("sh_database_query"));
595 bad_init = 1;
596 SL_RETURN(-1, _("sh_database_query"));
597 }
598
599
600#ifdef DB_DEBUG
601 sl_snprintf(row_query, 127,
602 _("Conncting to oracle database '%s'"),
603 db_name);
604 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
605 row_query,
606 _("sh_database_query"));
607#endif
608
609 /* a) Oracle says use OCIEnvCreate instead of OCIInitialize/OCIEnvcreate
610 * b) why two times OCIEnvInit() ???
611 */
612 if (OCIInitialize(OCI_DEFAULT, NULL, NULL, NULL, NULL))
613 PRINT_ORACLE_ERR("OCIInitialize");
614
615 if (OCIEnvInit(&o_environment, OCI_DEFAULT, 0, NULL))
616 PRINT_ORACLE_ERR("OCIEnvInit");
617
618 if (OCIEnvInit(&o_environment, OCI_DEFAULT, 0, NULL))
619 PRINT_ORACLE_ERR("OCIEnvInit (2)");
620
621 /* allocate and initialize the error handle
622 */
623 if (OCIHandleAlloc(o_environment, (dvoid **)&o_error,
624 OCI_HTYPE_ERROR, (size_t) 0, NULL))
625 PRINT_ORACLE_ERR("OCIHandleAlloc");
626
627 /* logon and allocate the service context handle
628 */
629 if (OCILogon(o_environment, o_error, &o_servicecontext,
630 (OraText*) db_user, sl_strlen(db_user),
631 (OraText*) db_password, sl_strlen(db_password),
632 (OraText*) db_name, sl_strlen(db_name)))
633 {
634 OCIErrorGet(o_error, 1, NULL, &o_errorcode,
635 o_errormsg, sizeof(o_errormsg), OCI_HTYPE_ERROR);
636 sh_stripnl (o_errormsg);
637 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
638 o_errormsg,
639 _("sh_database_query"));
640 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
641 _("check database is listed in tnsnames.ora"),
642 _("sh_database_query"));
643 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
644 _("check tnsnames.ora readable"),
645 _("sh_database_query"));
646 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
647 _("check database accessible with sqlplus"),
648 _("sh_database_query"));
649 sl_snprintf(row_query, 127,
650 _("OCILogon: Connection to database '%s' failed"),
651 db_name);
652 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
653 row_query, _("sh_database_query"));
654 bad_init = 1;
655 SL_RETURN(-1, _("sh_database_query"));
656 }
657
658 if (OCIHandleAlloc(o_environment, (dvoid **)&o_statement,
659 OCI_HTYPE_STMT, 0, NULL))
660 PRINT_ORACLE_ERR("OCIHandleAlloc (2)");
661
662 /* Flag connection status
663 */
664 connected = 1;
665
666 oracle_connected:
667
668 /*
669 * Insert
670 */
671#ifdef DB_DEBUG
672 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
673 query,
674 _("sh_database_query"));
675#endif
676
677 if (OCIStmtPrepare(o_statement, o_error,
678 (OraText*) query, sl_strlen(query),
679 OCI_NTV_SYNTAX, OCI_DEFAULT))
680 {
681 OCIErrorGet(o_error, 1, NULL,
682 &o_errorcode, o_errormsg, sizeof(o_errormsg),
683 OCI_HTYPE_ERROR);
684 sh_stripnl (o_errormsg);
685 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN,
686 o_errormsg,
687 _("sh_database_query"));
688 if (retry == 0 &&
689 (3114 == o_errorcode || 0 == strncmp(o_errormsg, _("ORA-03114"), 9))
690 {
691 ++retry; sh_database_reset(); goto oracle_doconnect;
692 }
693 goto err_out;
694 }
695
696 if (OCIStmtExecute(o_servicecontext,
697 o_statement, o_error, 1, 0,
698 NULL, NULL, OCI_COMMIT_ON_SUCCESS))
699 {
700 OCIErrorGet(o_error, 1, NULL,
701 &o_errorcode, o_errormsg, sizeof(o_errormsg),
702 OCI_HTYPE_ERROR);
703 sh_stripnl (o_errormsg);
704 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN,
705 o_errormsg,
706 _("sh_database_query"));
707 if (retry == 0 &&
708 (3114 == o_errorcode || 0 == strncmp(o_errormsg, _("ORA-03114"), 9))
709 {
710 ++retry; sh_database_reset(); goto oracle_doconnect;
711 }
712 goto err_out;
713 }
714
715#ifdef DB_DEBUG
716 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
717 _("No error on insert"),
718 _("sh_database_query"));
719#endif
720
721 /* Get row index
722 */
723 sl_strlcpy (row_query, _("SELECT MAX(log_index) FROM "), 128);
724 sl_strlcat (row_query, db_table, 128);
725
726#ifdef DB_DEBUG
727 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
728 row_query,
729 _("sh_database_query"));
730#endif
731
732 if (OCIStmtPrepare(o_statement, o_error,
733 (OraText*) row_query, sl_strlen(row_query),
734 OCI_NTV_SYNTAX, OCI_DEFAULT))
735 {
736 OCIErrorGet(o_error, 1, NULL,
737 &o_errorcode, o_errormsg, sizeof(o_errormsg),
738 OCI_HTYPE_ERROR);
739 sh_stripnl (o_errormsg);
740 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN,
741 o_errormsg,
742 _("sh_database_query"));
743 if (retry == 0 &&
744 (3114 == o_errorcode || 0 == strncmp(o_errormsg, _("ORA-03114"), 9))
745 {
746 ++retry; sh_database_reset(); goto oracle_doconnect;
747 }
748 goto err_out;
749 }
750
751 if (OCIStmtExecute(o_servicecontext, o_statement, o_error,
752 0, 0, NULL, NULL, OCI_DEFAULT))
753 {
754 OCIErrorGet(o_error, 1, NULL,
755 &o_errorcode, o_errormsg, sizeof(o_errormsg),
756 OCI_HTYPE_ERROR);
757 sh_stripnl (o_errormsg);
758 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN,
759 o_errormsg,
760 _("sh_database_query"));
761 if (retry == 0 &&
762 (3114 == o_errorcode || 0 == strncmp(o_errormsg, _("ORA-03114"), 9))
763 {
764 ++retry; sh_database_reset(); goto oracle_doconnect;
765 }
766 goto err_out;
767 }
768
769 if (OCIDefineByPos (o_statement, &o_define, o_error, 1,
770 &result, sizeof(result),
771 SQLT_INT, 0, 0, 0, OCI_DEFAULT))
772 {
773 OCIErrorGet(o_error, 1, NULL,
774 &o_errorcode, o_errormsg, sizeof(o_errormsg),
775 OCI_HTYPE_ERROR);
776 sh_stripnl (o_errormsg);
777 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN,
778 o_errormsg,
779 _("sh_database_query"));
780 if (retry == 0 &&
781 (3114 == o_errorcode || 0 == strncmp(o_errormsg, _("ORA-03114"), 9))
782 {
783 ++retry; sh_database_reset(); goto oracle_doconnect;
784 }
785 goto err_out;
786 }
787 if (OCIStmtFetch (o_statement, o_error, 1, OCI_FETCH_NEXT, OCI_DEFAULT))
788 {
789 OCIErrorGet(o_error, 1, NULL,
790 &o_errorcode, o_errormsg, sizeof(o_errormsg),
791 OCI_HTYPE_ERROR);
792 sh_stripnl (o_errormsg);
793 sh_error_handle((-1), FIL__, __LINE__, (long) o_errorcode, MSG_E_SUBGEN,
794 o_errormsg,
795 _("sh_database_query"));
796 if (retry == 0 &&
797 (3114 == o_errorcode || 0 == strncmp(o_errormsg, _("ORA-03114"), 9))
798 {
799 ++retry; sh_database_reset(); goto oracle_doconnect;
800 }
801 goto err_out;
802 }
803
804#ifdef DB_DEBUG
805 sl_snprintf(row_query, 127, _("Returned value: %d"), result);
806 sh_error_handle(SH_ERR_NOTICE, FIL__, __LINE__, 0, MSG_E_SUBGEN,
807 row_query,
808 _("sh_database_query"));
809#endif
810
811 *id = result;
812
813 if (sh_persistent_dbconn == S_FALSE)
814 {
815 OCILogoff(o_servicecontext, o_error);
816 OCIHandleFree((dvoid *) o_statement, OCI_HTYPE_STMT);
817 OCIHandleFree((dvoid *) o_servicecontext, OCI_HTYPE_SVCCTX);
818 OCIHandleFree((dvoid *) o_error, OCI_HTYPE_ERROR);
819 o_error = NULL;
820 connected = 0;
821 }
822 SL_RETURN(0, _("sh_database_query"));
823
824 err_out:
825 /*
826 * Error
827 */
828 if (sh_persistent_dbconn == S_FALSE)
829 {
830 OCILogoff(o_servicecontext, o_error);
831 OCIHandleFree((dvoid *) o_statement, OCI_HTYPE_STMT);
832 OCIHandleFree((dvoid *) o_servicecontext, OCI_HTYPE_SVCCTX);
833 OCIHandleFree((dvoid *) o_error, OCI_HTYPE_ERROR);
834 o_error = NULL;
835 connected = 0;
836 }
837 SL_RETURN(-1, _("sh_database_query"));
838}
839
840/* #ifdef WITH_ORACLE */
841#endif
842
843#ifdef WITH_POSTGRES
844/******************************************************************
845 *
846 * Postgresql stuff, tested
847 *
848 ******************************************************************/
849
850#ifdef HAVE_PGSQL_LIBPQ_FE_H
851#include <pgsql/libpq-fe.h>
852#else
853#include <libpq-fe.h>
854#endif
855
856static int connection_status = S_FALSE;
857
858void sh_database_reset()
859{
860 connection_status = S_FALSE;
861 return;
862}
863
864static
865int sh_database_query (char * query, /*@out@*/ long * id)
866{
867 char conninfo[256];
868 char * p;
869 static PGconn * conn = NULL;
870 PGresult * res;
871 unsigned int i;
872 static SH_TIMEOUT sh_timer = { 0, 3600, S_TRUE };
873
874 SL_ENTER(_("sh_database_query"));
875
876 *id = 0;
877
878 p = &conninfo[0];
879
880 if (db_host[0] == '\0')
881 sl_strlcpy(db_host, _("localhost"), 64);
882 if (db_name[0] == '\0')
883 sl_strlcpy(db_name, _("samhain"), 64);
884 if (db_user[0] == '\0')
885 sl_strlcpy(db_user, _("samhain"), 64);
886
887 if (db_host[0] != '\0' && NULL != strchr(db_host, '.'))
888 {
889 sl_snprintf(p, 255, "hostaddr=%s ", db_host);
890 p = &conninfo[strlen(conninfo)];
891 }
892 if (db_name[0] != '\0')
893 {
894 sl_snprintf(p, 255 - strlen(conninfo), "dbname=%s ", db_name);
895 p = &conninfo[strlen(conninfo)];
896 }
897
898 if (db_user[0] != '\0')
899 {
900 sl_snprintf(p, 255 - strlen(conninfo), "user=%s ", db_user);
901 p = &conninfo[strlen(conninfo)];
902 }
903
904 if (db_password[0] != '\0')
905 {
906 sl_snprintf(p, 255 - strlen(conninfo), "password=%s ", db_password);
907 }
908
909 if (connection_status == S_FALSE)
910 {
911 if (conn)
912 PQfinish(conn);
913 conn = NULL;
914 conn = PQconnectdb(conninfo);
915 }
916 else
917 {
918 if (PQstatus(conn) == CONNECTION_BAD)
919 PQreset(conn);
920 }
921
922 if ((conn == NULL) || (PQstatus(conn) == CONNECTION_BAD))
923 {
924 connection_status = S_FALSE;
925
926 sh_timer.flag_ok = S_FALSE;
927 if (S_TRUE == sh_util_timeout_check(&sh_timer))
928 {
929 goto err_out;
930 }
931 else
932 {
933 if (conn)
934 PQfinish(conn);
935 conn = NULL;
936 SL_RETURN(0, _("sh_database_query"));
937 }
938 }
939 connection_status = S_TRUE;
940
941
942 /* do the insert
943 */
944 res = PQexec(conn, query);
945 if (PQresultStatus(res) != PGRES_COMMAND_OK)
946 {
947 PQclear(res);
948 goto err_out;
949 }
950 PQclear(res);
951
952 /* get the unique row index
953 */
954 res = PQexec(conn, _("SELECT last_value FROM log_log_index_seq"));
955 if (PQresultStatus(res) != PGRES_TUPLES_OK)
956 {
957 PQclear(res);
958 goto err_out;
959 }
960
961 *id = atoi (PQgetvalue(res, 0, 0));
962
963 PQclear(res);
964 if (S_FALSE == sh_persistent_dbconn)
965 {
966 if (conn)
967 PQfinish(conn);
968 conn = NULL;
969 connection_status = S_FALSE;
970 }
971 SL_RETURN(0, _("sh_database_query"));
972
973
974 err_out:
975 if (conn)
976 {
977 p = PQerrorMessage(conn);
978 for (i = 0; i < sl_strlen(p); ++i)
979 if (p[i] == '\n') p[i] = ' ';
980 }
981 else
982 {
983 p = NULL;
984 }
985 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
986 (p == NULL ? _("(null)") : p),
987 _("sh_database_query"));
988 if (conn)
989 PQfinish(conn);
990 conn = NULL;
991 connection_status = S_FALSE;
992 SL_RETURN(-1, _("sh_database_query"));
993}
994#endif
995
996
997#ifdef WITH_MYSQL
998
999#ifdef HAVE_MYSQL_MYSQL_H
1000#include <mysql/mysql.h>
1001#else
1002#include <mysql.h>
1003#endif
1004
1005extern int flag_err_debug;
1006
1007static int connection_status = S_FALSE;
1008
1009void sh_database_reset()
1010{
1011 connection_status = S_FALSE;
1012 return;
1013}
1014
1015static
1016int sh_database_query (char * query, /*@out@*/ long * id)
1017{
1018 int status = 0;
[3]1019 const char * p;
[1]1020 static MYSQL * db_conn = NULL;
1021 static SH_TIMEOUT sh_timer = { 0, 3600, S_TRUE };
1022
1023 SL_ENTER(_("sh_database_query"));
1024
1025 *id = 0;
1026
1027 if (query == NULL)
1028 {
1029 sh_error_handle(SH_ERR_ALL, FIL__, __LINE__, 0, MSG_E_SUBGEN,
1030 _("NULL query"),
1031 _("sh_database_query"));
1032 SL_RETURN(0, _("sh_database_query"));
1033 }
1034
1035 if (db_host[0] == '\0')
1036 (void) sl_strlcpy(db_host, _("localhost"), 64);
1037 if (db_name[0] == '\0')
1038 (void) sl_strlcpy(db_name, _("samhain"), 64);
1039 if (db_user[0] == '\0')
1040 (void) sl_strlcpy(db_user, _("samhain"), 64);
1041
1042 if ((db_conn == NULL) || (connection_status == S_FALSE))
1043 {
1044 if (db_conn)
1045 {
1046 mysql_close(db_conn);
1047 db_conn = NULL;
1048 }
1049 connection_status = S_FALSE;
1050
1051 db_conn = mysql_init(NULL);
1052 if (NULL == db_conn)
1053 {
1054 p = NULL; status = 0;
1055 sh_timer.flag_ok = S_FALSE;
1056 if (S_TRUE == sh_util_timeout_check(&sh_timer))
1057 {
1058 goto alt_out;
1059 }
1060 else
1061 {
1062 SL_RETURN(0, _("sh_database_query"));
1063 }
1064 }
1065
1066 status = 0;
1067
1068 if (NULL == mysql_real_connect(db_conn,
1069 db_host[0] == '\0' ? NULL : db_host,
1070 db_user[0] == '\0' ? NULL : db_user,
1071 db_password[0] == '\0' ? NULL : db_password,
1072 db_name[0] == '\0' ? NULL : db_name,
1073 0, NULL, 0))
1074 {
1075 sh_timer.flag_ok = S_FALSE;
1076 if (S_TRUE == sh_util_timeout_check(&sh_timer))
1077 {
1078 goto err_out;
1079 }
1080 else
1081 {
1082 SL_RETURN(0, _("sh_database_query"));
1083 }
1084 }
1085 connection_status = S_TRUE;
1086 }
1087 else
1088 {
1089 if (0 != mysql_ping(db_conn))
1090 {
1091 connection_status = S_FALSE;
1092 sh_timer.flag_ok = S_FALSE;
1093 if (S_TRUE == sh_util_timeout_check(&sh_timer))
1094 {
1095 goto err_out;
1096 }
1097 else
1098 {
1099 SL_RETURN(0, _("sh_database_query"));
1100 }
1101 }
1102 }
1103
1104 if (0 != mysql_query(db_conn, query))
1105 {
1106 goto err_out;
1107 }
1108
1109 if (flag_err_debug == SL_TRUE)
1110 {
1111 p = mysql_info (db_conn);
1112 if (p != NULL)
1113 {
1114 sh_error_handle(SH_ERR_ALL, FIL__, __LINE__, 0, MSG_E_SUBGEN,
1115 p,
1116 _("sh_database_query"));
1117 }
1118 }
1119
1120 *id = (long) mysql_insert_id(db_conn);
1121 if (S_FALSE == sh_persistent_dbconn)
1122 {
1123 if (db_conn)
1124 mysql_close(db_conn);
1125 db_conn = NULL;
1126 connection_status = S_FALSE;
1127 }
1128 SL_RETURN(0, _("sh_database_query"));
1129
1130 err_out:
1131
1132 if (db_conn)
1133 {
1134 p = mysql_error (db_conn);
1135 status = (int) mysql_errno (db_conn);
1136 }
1137 else
1138 {
1139 p = NULL; p = 0;
1140 }
1141
1142 alt_out:
1143
1144 *id = 0;
1145 sh_error_handle((-1), FIL__, __LINE__, status, MSG_E_SUBGEN,
1146 (p == NULL ? _("(null)") : p),
1147 _("sh_database_query"));
1148 if (db_conn)
1149 mysql_close(db_conn);
1150 db_conn = NULL;
1151 connection_status = S_FALSE;
1152 SL_RETURN(status, _("sh_database_query"));
1153}
1154#endif
1155
1156static
1157char * null_or_val (char * end, char * val, int * size, int flag)
1158{
1159 long len;
1160
1161 if (!end || !val || !size)
1162 return end;
1163
1164 if (val[0] == '\0')
1165 {
1166 return end;
1167 }
1168 else
1169 {
1170 if (*size > 1)
1171 {
1172 *end = ','; ++end; (*size) -= 1;
1173 if (flag == 1) { *end = '\''; ++end; (*size) -= 1; }
1174 *end = '\0';
1175 }
1176 len = (long) strlen(val);
1177 if ((long) *size > (len+1))
1178 {
1179 (void) sl_strlcat(end, val, (size_t) *size);
1180 end += len; (*size) -= len;
1181 if (flag == 1) { *end = '\''; ++end; (*size) -= 1; }
1182 *end = '\0';
1183 }
1184 }
[12]1185#if 0
1186 /* apparently slower, see gyule.7 */
1187 len = (long) strlen(val);
1188
1189 if ((val[0] != '\0') && (*size > 2))
1190 {
1191 if (flag == 1)
1192 {
1193 *end = ','; ++end;
1194 *end = '\''; ++end; (*size) -= 2;
1195 *end = '\0';
1196
1197 if ((long) *size > (len+2))
1198 {
1199 (void) sl_strlcat(end, val, (size_t) *size);
1200 end += len; (*size) -= len;
1201 *end = '\''; ++end; (*size) -= 1;
1202 }
1203 *end = '\0';
1204 }
1205 else
1206 {
1207 *end = ','; ++end; (*size) -= 1;
1208 *end = '\0';
1209
1210 if ((long) *size > (len+1))
1211 {
1212 (void) sl_strlcat(end, val, (size_t) *size);
1213 end += len; (*size) -= len;
1214 }
1215 *end = '\0';
1216 }
1217 }
1218#endif
[1]1219 return end;
1220}
1221
1222#define SH_QUERY_MAX 16383
1223
1224static
1225long sh_database_entry (dbins * db_entry, long id)
1226{
1227 /* This does not need to be re-entrant
1228 */
1229 char * query;
1230 static char columns[1024];
1231 char * values;
1232
1233 int status;
1234 long the_id;
1235 int size;
1236 char * end;
1237 int c_size;
1238 char * c_end;
1239 char * p;
1240 int i;
1241 char num[64];
1242
1243 md5Param crc;
1244 unsigned char md5buffer[16];
1245 char md5out[33];
1246 int cnt;
1247
1248 SL_ENTER(_("sh_database_entry"));
1249
1250 query = SH_ALLOC(SH_QUERY_MAX+1);
1251 values = SH_ALLOC(SH_QUERY_MAX+1);
1252
1253 (void) md5Reset(&crc);
1254
1255 if (db_entry->host[0] == '\0')
1256 {
1257 if (sh.host.name[0] == '\0')
1258 (void) strcpy (db_entry->host, _("localhost")); /* known to fit */
1259 else
1260 (void) sl_strlcpy (db_entry->host, sh.host.name, 64);
1261 }
1262
1263 /*@-bufferoverflowhigh@*/
1264 if (id >= 0)
1265 sprintf(num, "%ld", id); /* known to fit */
1266 /*@+bufferoverflowhigh@*/
1267
1268#ifdef WITH_ORACLE
1269 /* Oracle needs some help for the time format (fix by Michael Somers)
1270 */
1271 (void)
1272 sl_snprintf (values, SH_QUERY_MAX,
1273 _("(%s,%c%s%c,to_date(%c%s%c,'YYYY-MM-DD HH24:MI:SS'),%c%s%c,%c%s%c"),
1274 id >= 0 ? num : _("NULL"),
1275 '\'', db_entry->host,'\'',
1276 '\'', db_entry->time,'\'',
1277 '\'', db_entry->sev, '\'',
1278 '\'',
1279 (db_entry->msg[0] == '\0' ? _("NULL") : db_entry->msg),
1280 '\'');
1281#else
1282 (void)
1283 sl_snprintf (values, SH_QUERY_MAX, _("(%s,%c%s%c,%c%s%c,%c%s%c,%c%s%c"),
1284 id >= 0 ? num : _("NULL"),
1285 '\'', db_entry->host,'\'',
1286 '\'', db_entry->time,'\'',
1287 '\'', db_entry->sev, '\'',
1288 '\'',
1289 (db_entry->msg[0] == '\0' ? _("NULL") : db_entry->msg),
1290 '\'');
1291#endif
1292
1293 (void) sl_snprintf (columns, 1023,
1294 _("(log_ref,log_host,log_time,log_sev,log_msg"));
1295
1296 /*@-type@*//* byte* versus char[..] */
1297 if (attr_tab[0].inHash == 1)
1298 (void) md5Update(&crc, (sh_byte*) db_entry->sev,
1299 (int) strlen(db_entry->sev));
1300 if (attr_tab[1].inHash == 1)
1301 (void) md5Update(&crc, (sh_byte*) db_entry->time,
1302 (int) strlen(db_entry->time));
1303 if (attr_tab[2].inHash == 1)
1304 (void) md5Update(&crc, (sh_byte*) db_entry->host,
1305 (int) strlen(db_entry->host));
1306 if (attr_tab[3].inHash == 1 && db_entry->msg[0] != '\0')
1307 (void) md5Update(&crc, (sh_byte*) db_entry->msg,
1308 (int) strlen(db_entry->sev));
1309 /*@+type@*/
1310
1311 size = (int) (SH_QUERY_MAX - strlen(values));
1312 end = values + strlen(values);
1313 c_size = 1023 - (int) strlen(columns); /* sizeof(colums) == 1024 */
1314 c_end = columns + strlen(columns);
1315
1316 i = 4;
1317
1318 while (attr_tab[i].attr != NULL)
1319 {
1320 if (attr_tab[i].size != 0)
1321 {
1322 if (attr_tab[i].val > 40 && attr_tab[i].val < 47)
1323 {
1324 /* remove the 'T' between date and time
1325 */
1326 p = (char *)(db_entry)+attr_tab[i].off;
1327 p = strchr(p, 'T');
1328 if (p) *p = ' ';
1329 }
1330 p = end;
1331 end = null_or_val(end,((char *)(db_entry)+attr_tab[i].off),&size,1);
1332 if (p != end)
1333 {
1334 /*
1335 * 'host' is a reserved word in SQL
1336 */
1337 if (attr_tab[i].val == SH_SLOT_HOST)
1338 c_end = null_or_val (c_end, _("fromhost"), &c_size,0);
1339 /*
1340 * 'group' is a reserved word in SQL
1341 */
1342 else if (attr_tab[i].val == SH_SLOT_GROUP)
1343 c_end = null_or_val (c_end, _("grp"), &c_size,0);
1344 else
1345 c_end = null_or_val (c_end, attr_tab[i].attr, &c_size,0);
1346 }
1347 /*@-type@*//* byte* versus char[..] */
1348 if (attr_tab[i].inHash == 1 &&
1349 ((char *)(db_entry)+attr_tab[i].off) != '\0')
1350 {
1351 (void)md5Update(&crc,
1352 (sh_byte*) ((char *)(db_entry)+attr_tab[i].off),
1353 (int)strlen((char *)(db_entry)+attr_tab[i].off));
1354 }
1355 /*@+type@*/
1356 }
1357 else if (attr_tab[i].val >= START_SEC_LONGS &&
1358 attr_tab[i].val <= END_SEC_LONGS)
1359 {
1360 (void)
1361 sl_snprintf(end, (size_t)(size-1), _(",\'%ld\'"),
1362 db_entry->long_data[attr_tab[i].val-START_SEC_LONGS]);
1363 while (*end != '\0') { ++end; --size; }
1364 (void) sl_snprintf(c_end, (size_t)(c_size-1),
1365 _(",%s"), attr_tab[i].attr);
1366 while (*c_end != '\0') { ++c_end; --c_size; }
1367 if (attr_tab[i].inHash == 1)
1368 {
1369 /*@-type@*//* byte* versus char[..] */
1370 (void)
1371 md5Update(&crc,
1372 (sh_byte *) db_entry->long_data[attr_tab[i].val-START_SEC_LONGS],
1373 sizeof(long));
1374 /*@+type@*/
1375 }
1376 }
1377
1378 ++i;
1379 }
1380
1381 (void) md5Digest(&crc, (uint32 *) md5buffer);
1382 /*@-bufferoverflowhigh -usedef@*/
1383 for (cnt = 0; cnt < 16; ++cnt)
1384 sprintf (&md5out[cnt*2], _("%02X"), /* known to fit */
1385 (unsigned int) md5buffer[cnt]);
1386 /*@+bufferoverflowhigh +usedef@*/
1387 md5out[32] = '\0';
1388
1389 (void) sl_snprintf(end, (size_t) (size-1), _(",%c%s%c"), '\'', md5out, '\'');
1390 while (*end != '\0') { ++end; --size; }
1391 (void) sl_snprintf(c_end, (size_t) (c_size-1),_(",log_hash"));
1392 while (*c_end != '\0') { ++c_end; --c_size; }
1393
1394
1395 if (size > 1) { *end = ')'; ++end; *end = '\0'; }
1396 if (c_size > 1) { *c_end = ')'; ++c_end; *c_end = '\0'; }
1397
1398 if (db_table[0] == '\0')
1399 (void) sl_strlcpy(db_table, _("log"), 64);
1400
1401 (void) sl_snprintf (query, SH_QUERY_MAX,
1402 _("INSERT INTO %s %s VALUES %s"),
1403 db_table, columns, values);
1404
1405 status = sh_database_query (query, &the_id);
1406
1407 /*@-usedef@*//* no, 'values' is allocated here */
1408 SH_FREE(values);
1409 /*@+usedef@*/
1410 SH_FREE(query);
1411
1412 SL_RETURN(the_id, _("sh_database_entry"));
1413}
1414
[12]1415static int sh_database_comp_attr (const void *m1, const void *m2)
1416{
1417 my_attr *mi1 = (my_attr *) m1;
1418 my_attr *mi2 = (my_attr *) m2;
1419 return strcmp(mi1->attr, mi2->attr);
1420}
[1]1421
[12]1422
[1]1423static void init_attr_table()
1424{
1425 static int first = S_TRUE;
[12]1426 int i, j;
[1]1427
1428#ifdef SH_STEALTH
1429 int j, k;
1430
[12]1431 if (first == S_FALSE)
1432 return;
1433
1434 i = 0;
1435 while (attr_tab[i].attr_o != NULL)
[1]1436 {
[12]1437 j = strlen(attr_tab[i].attr_o);
1438 attr_tab[i].attr = malloc (j+1); /* only once */
1439 if (NULL == attr_tab[i].attr)
1440 SL_RETURN (NULL, _("sh_database_parse"));
1441 for (k = 0; k < j; ++k)
1442 attr_tab[i].attr[k] = attr_tab[i].attr_o[k] ^ XOR_CODE;
1443 attr_tab[i].attr[j] = '\0';
1444 attr_tab[i].alen = strlen(attr_tab[i].attr_o);
1445 ++i;
[1]1446 }
[12]1447 first = S_FALSE;
1448
[1]1449#else
[12]1450
1451 i = 0;
1452 while (attr_tab[i].attr_o != NULL)
[1]1453 {
[12]1454 attr_tab[i].attr = attr_tab[i].attr_o;
1455 attr_tab[i].alen = strlen(attr_tab[i].attr_o);
1456 ++i;
[1]1457 }
[12]1458 first = S_FALSE;
1459
[1]1460#endif
[12]1461
1462 /* create a sorted table for binary search
1463 */
1464 attr_tab_srch = SH_ALLOC(i * sizeof(my_attr));
1465 for (j=0; j<i; ++j)
1466 memcpy(&attr_tab_srch[j], &attr_tab[j], sizeof(my_attr));
1467 qsort(attr_tab_srch, i, sizeof(my_attr), sh_database_comp_attr);
1468 attr_tab_srch_siz = i;
1469
[1]1470 return;
1471}
1472
1473int sh_database_add_to_hash (char * str)
1474{
1475 int i;
1476
1477 if (!str)
1478 return -1;
1479 init_attr_table();
1480 if (0 == strcmp(str, _("log_msg"))) { attr_tab[3].inHash = 1; return 0;}
1481 if (0 == strcmp(str, _("log_sev"))) { attr_tab[0].inHash = 1; return 0;}
1482 if (0 == strcmp(str, _("log_time"))) { attr_tab[1].inHash = 1; return 0;}
1483 if (0 == strcmp(str, _("log_host"))) { attr_tab[2].inHash = 1; return 0;}
1484 i = 4;
1485 while (attr_tab[i].attr != NULL)
1486 {
1487 if (0 == strcmp(str, attr_tab[i].attr))
1488 { attr_tab[i].inHash = 1; return 0; }
1489 ++i;
1490 }
1491 return -1;
1492}
1493
1494static int is_escaped(char * p) {
1495
1496 int escp = 0;
1497 int retv = S_TRUE;
1498
1499 while (*p != '\0')
1500 {
1501 if (*p == '\\')
1502 {
1503 escp = (escp == 1) ? 0 : 1;
1504 }
1505 else if (*p == '\'' && escp == 0)
1506 {
1507 retv = S_FALSE;
1508 }
[3]1509 else if (*p == '\"' && escp == 0)
1510 {
1511 retv = S_FALSE;
1512 }
[1]1513 else
1514 {
1515 escp = 0;
1516 }
1517 ++p;
1518 }
[3]1519 if (escp == 1)
1520 retv = S_FALSE;
[1]1521 return retv;
1522}
1523
1524/* this is not a real XML parser, but it copes with the XML format of
1525 * the log messages provided by sh_error_handle()
1526 */
1527static
1528char * sh_database_parse (char * message, dbins * db_entry)
1529{
1530 static int first = S_TRUE;
1531 char * p;
1532 char * q;
1533 char * z;
1534 dbins * new;
1535 int i;
1536 size_t j;
[12]1537 my_attr * res;
1538 my_attr key;
1539 char key_str[64];
[1]1540
1541 SL_ENTER(_("sh_database_parse"));
1542
1543 if (!message || *message == '\0')
1544 SL_RETURN (NULL, _("sh_database_parse"));
1545
1546 if (first == S_TRUE)
1547 {
1548 init_attr_table();
1549 first = S_FALSE;
1550 }
1551
1552 p = strchr (message, '<');
1553 if (!p)
1554 SL_RETURN (NULL, _("sh_database_parse"));
1555
1556 while ((p != NULL) && (*p != '\0') && (*p != '>'))
1557 {
1558 if (p[0] == 'l' && p[1] == 'o' && p[2] == 'g' &&
1559 (p[3] == ' ' || p[3] == '>'))
1560 {
1561 p = &p[4];
1562 goto parse;
1563 }
[12]1564 else if (p[0] == '/' && p[1] == '>')
1565 SL_RETURN (&p[2], _("sh_database_parse"));
1566 else if (p[0] == '/' && p[1] == 'l' && p[2] == 'o' &&
1567 p[3] == 'g' && p[4] == '>')
1568 SL_RETURN (&p[5], _("sh_database_parse"));
[1]1569 ++p;
1570 }
1571 SL_RETURN(NULL, _("sh_database_parse"));
1572
1573 parse:
1574
1575 while ((p != NULL) && (*p == ' ' || *p == '>'))
1576 ++p;
1577
1578 if (!p || *p == '\0')
1579 SL_RETURN(NULL, _("sh_database_parse"));
1580
[12]1581 if (*p != '<' && *p != '/')
1582 goto par2;
1583
[1]1584 if (p[0] == '<' && p[1] == 'l' &&
1585 p[2] == 'o' && p[3] == 'g')
1586 {
1587 new = SH_ALLOC(sizeof(dbins));
1588 init_db_entry(new);
1589 db_entry->next = new;
1590 p = sh_database_parse (p, new);
1591 }
1592
1593 if (p[0] == '/' && p[1] == '>')
1594 SL_RETURN (&p[1], _("sh_database_parse"));
1595
1596 if (p[0] == '<' && p[1] == '/' && p[2] == 'l' &&
1597 p[3] == 'o' && p[4] == 'g' && p[5] == '>')
1598 SL_RETURN (&p[5], _("sh_database_parse"));
1599
[12]1600 par2:
[1]1601
1602 /* non-whitespace
1603 */
1604 i = 0;
[12]1605 for (i=0; i < 64; ++i)
[1]1606 {
[12]1607 key_str[i] = p[i];
1608 if (p[i] == '=')
[1]1609 {
[12]1610 key_str[i] = '\0';
1611 break;
1612 }
1613 }
1614 key_str[63] = '\0';
1615 key.attr = &key_str[0];
1616
1617 res = bsearch(&key, attr_tab_srch, attr_tab_srch_siz,
1618 sizeof(my_attr), sh_database_comp_attr);
1619
1620 if (res != NULL)
1621 {
1622 j = res->alen; /* strlen(attr_tab[i].attr); */
1623 if (p[j] == '=' && p[j+1] == '"')
1624 {
[1]1625 q = strchr(&p[j+2], '"');
1626 if (!q)
1627 {
1628 SL_RETURN(NULL, _("sh_database_parse"));
1629 }
1630 else
1631 {
1632 *q = '\0';
1633
1634 if (S_FALSE == is_escaped(&p[j+2])) {
[3]1635 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
1636 _("Message not properly escaped"),
1637 _("sh_database_parse"));
[1]1638 SL_RETURN(NULL, _("sh_database_parse"));
1639 }
1640
[12]1641 if (res->val == 1)
[1]1642 (void) sl_strlcpy(db_entry->sev, &p[j+2],
[12]1643 (size_t)res->size);
1644 else if (res->val == 2)
[1]1645 {
1646 z = strchr(&p[j+2], 'T');
1647 if (z) *z = ' ';
1648 (void) sl_strlcpy(db_entry->time, &p[j+2], 20);
1649 }
[12]1650 else if (res->val == 3)
[1]1651 (void) sl_strlcpy(db_entry->host, &p[j+2],
[12]1652 (size_t) res->size);
1653 else if (res->val == 4)
[1]1654 (void) sl_strlcpy(db_entry->msg, &p[j+2],
[12]1655 (size_t) res->size);
1656 else if (res->size != 0)
[1]1657 {
[12]1658 (void) sl_strlcpy( (((char *)(db_entry))+ res->off),
[1]1659 &p[j+2],
[12]1660 (size_t) res->size);
[1]1661 }
[12]1662 else if (res->val >= START_SEC_LONGS)
[1]1663 {
[12]1664 db_entry->long_data[res->val-START_SEC_LONGS]
[1]1665 = atol(&p[j+2]);
1666 }
1667
1668 *q = '"';
1669 p = q;
1670 ++p;
1671
1672 goto parse;
1673 }
1674 }
1675 ++i;
1676 }
1677
1678 /* unknown attribute, skip
1679 */
1680 while ((p != NULL) && (*p != '\0') && (*p != ' '))
1681 ++p;
1682
1683 goto parse;
1684}
1685
1686static int enter_wrapper = 1;
1687
1688int set_enter_wrapper (char * str)
1689{
1690 return sh_util_flagval(str, &enter_wrapper);
1691}
1692
1693int sh_database_insert (char * message)
1694{
1695 dbins * db_entry;
1696 dbins * prev;
1697 dbins * curr;
1698 long id = 0;
1699#ifdef HOST_SWITCH
1700 char * temp[64];
1701#endif
1702
1703 SL_ENTER(_("sh_database_insert"));
1704
1705 db_entry = SH_ALLOC(sizeof(dbins));
1706 init_db_entry(db_entry);
1707
1708 /* recursively parse the message into a linked list
1709 */
1710 (void) sh_database_parse (message, db_entry);
1711
1712 /* Enter the list into the database. Actually, the list can only have
1713 * two entries at most.
1714 */
1715 curr = db_entry;
1716 if (curr->next)
1717 {
1718 prev = curr->next;
1719#ifdef HOST_SWITCH
1720 strncpy(temp, prev->host, 64);
1721#endif
1722 strncpy(prev->host, curr->host, 64);
1723#ifdef HOST_SWITCH
1724 strncpy(curr->host, temp, 64);
1725#endif
1726 id = sh_database_entry (prev, -1);
1727 SH_FREE(prev);
1728 }
1729
1730 if (id != 0) /* this is a server wrapper */
1731 {
1732 if (enter_wrapper != 0)
1733 (void) sh_database_entry (curr, id);
1734 }
1735 else /* this is a generic server message */
1736 {
1737 (void) sh_database_entry (curr, 0);
1738 }
1739 SH_FREE(curr);
1740
1741 SL_RETURN(0, _("sh_database_insert"));
1742}
1743
1744#endif
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