| 1 | /**************************************
|
|---|
| 2 | **
|
|---|
| 3 | ** PARSER RULES
|
|---|
| 4 | **
|
|---|
| 5 | ** (a) must set record->host
|
|---|
| 6 | ** (eventually to dummy value)
|
|---|
| 7 | **
|
|---|
| 8 | ** (b) must set record->prefix
|
|---|
| 9 | ** (itoa(status))
|
|---|
| 10 | **
|
|---|
| 11 | **
|
|---|
| 12 | **************************************/
|
|---|
| 13 |
|
|---|
| 14 | #include "config_xor.h"
|
|---|
| 15 |
|
|---|
| 16 | #ifdef USE_LOGFILE_MONITOR
|
|---|
| 17 |
|
|---|
| 18 | #undef FIL__
|
|---|
| 19 | #define FIL__ _("sh_log_parse_apache.c")
|
|---|
| 20 |
|
|---|
| 21 | #include <string.h>
|
|---|
| 22 | #include <time.h>
|
|---|
| 23 |
|
|---|
| 24 | /* Debian/Ubuntu: libpcre3-dev */
|
|---|
| 25 | #ifdef HAVE_PCRE_PCRE_H
|
|---|
| 26 | #include <pcre/pcre.h>
|
|---|
| 27 | #else
|
|---|
| 28 | #include <pcre.h>
|
|---|
| 29 | #endif
|
|---|
| 30 |
|
|---|
| 31 | #include "samhain.h"
|
|---|
| 32 | #include "sh_log_check.h"
|
|---|
| 33 | #include "sh_string.h"
|
|---|
| 34 |
|
|---|
| 35 | struct sh_fileinfo_generic {
|
|---|
| 36 | pcre * line_regex;
|
|---|
| 37 | int * line_ovector; /* captured substrings */
|
|---|
| 38 | int line_ovecnum; /* how many captured */
|
|---|
| 39 |
|
|---|
| 40 | int pos_host;
|
|---|
| 41 | int pos_status;
|
|---|
| 42 | int pos_time;
|
|---|
| 43 | char * format_time;
|
|---|
| 44 | };
|
|---|
| 45 |
|
|---|
| 46 | static void default_time (struct sh_logrecord * record)
|
|---|
| 47 | {
|
|---|
| 48 | struct tm ts;
|
|---|
| 49 | struct tm * ts_ptr;
|
|---|
| 50 | char tmp[80];
|
|---|
| 51 | size_t len;
|
|---|
| 52 |
|
|---|
| 53 | record->timestamp = time(NULL);
|
|---|
| 54 |
|
|---|
| 55 | #if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_LOCALTIME_R)
|
|---|
| 56 | ts_ptr = localtime_r (&(record->timestamp), &ts);
|
|---|
| 57 | #else
|
|---|
| 58 | ts_ptr = localtime(&(record->timestamp));
|
|---|
| 59 | if (ts_ptr)
|
|---|
| 60 | memcpy(&ts, ts_ptr, sizeof(struct tm));
|
|---|
| 61 | #endif
|
|---|
| 62 | if (ts_ptr)
|
|---|
| 63 | len = strftime(tmp, sizeof(tmp), _("%Y-%m-%dT%H:%M:%S"), &ts);
|
|---|
| 64 | else
|
|---|
| 65 | {
|
|---|
| 66 | sl_strlcpy(tmp, _("1970-01-01T00:00:00"), sizeof(tmp));
|
|---|
| 67 | len = strlen(tmp);
|
|---|
| 68 | }
|
|---|
| 69 | record->timestr = sh_string_new_from_lchar(tmp, len);
|
|---|
| 70 |
|
|---|
| 71 | return;
|
|---|
| 72 | }
|
|---|
| 73 |
|
|---|
| 74 | static void default_host (struct sh_logrecord * record)
|
|---|
| 75 | {
|
|---|
| 76 | record->host = sh_string_new_from_lchar(sh.host.name, strlen(sh.host.name));
|
|---|
| 77 | return;
|
|---|
| 78 | }
|
|---|
| 79 |
|
|---|
| 80 | sh_string * sh_read_shell (sh_string * record, struct sh_logfile * logfile)
|
|---|
| 81 | {
|
|---|
| 82 | return sh_command_reader (record, logfile);
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| 85 | struct sh_logrecord * sh_parse_shell (sh_string * logline, void * fileinfo)
|
|---|
| 86 | {
|
|---|
| 87 | (void) fileinfo;
|
|---|
| 88 |
|
|---|
| 89 | if (logline)
|
|---|
| 90 | {
|
|---|
| 91 | struct sh_logrecord * record = SH_ALLOC(sizeof(struct sh_logrecord));
|
|---|
| 92 |
|
|---|
| 93 | default_time(record);
|
|---|
| 94 | default_host(record);
|
|---|
| 95 |
|
|---|
| 96 | record->message = sh_string_new_from_lchar(sh_string_str(logline),
|
|---|
| 97 | sh_string_len(logline));
|
|---|
| 98 | record->pid = PID_INVALID;
|
|---|
| 99 | return record;
|
|---|
| 100 | }
|
|---|
| 101 | return NULL;
|
|---|
| 102 | }
|
|---|
| 103 |
|
|---|
| 104 | void * sh_eval_fileinfo_generic(char * str)
|
|---|
| 105 | {
|
|---|
| 106 | (void) str;
|
|---|
| 107 |
|
|---|
| 108 | return NULL;
|
|---|
| 109 | }
|
|---|
| 110 |
|
|---|
| 111 | struct sh_logrecord * sh_parse_generic (sh_string * logline, void * fileinfo)
|
|---|
| 112 | {
|
|---|
| 113 | (void) logline;
|
|---|
| 114 | (void) fileinfo;
|
|---|
| 115 |
|
|---|
| 116 | return NULL;
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 | #endif
|
|---|
