[183] | 1 |
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| 2 | #include "config_xor.h"
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| 3 |
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| 4 | #include <stdio.h>
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| 5 | #include <string.h>
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| 6 | #include <stdlib.h>
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| 7 | #include <sys/types.h>
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| 8 | #include <sys/stat.h>
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| 9 |
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| 10 | #ifdef USE_LOGFILE_MONITOR
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| 11 |
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| 12 | #undef FIL__
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| 13 | #define FIL__ _("sh_log_check.c")
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| 14 |
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| 15 | /* Debian/Ubuntu: libpcre3-dev */
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| 16 | #include <pcre.h>
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| 17 |
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| 18 | #include "samhain.h"
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| 19 | #include "sh_pthread.h"
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| 20 | #include "sh_utils.h"
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| 21 | #include "sh_string.h"
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| 22 | #include "sh_log_check.h"
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| 23 | #include "sh_log_evalrule.h"
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| 24 |
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| 25 | /* List of supported logfile types, format is
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| 26 | * { "TYPE_CODE", Reader_Callback_Function, Parser_Callback_function }
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| 27 | * If Reader_Callback_Function is NULL, the default (line-oriented
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| 28 | * text file) reader is used.
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| 29 | */
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| 30 | struct sh_logfile_type sh_logtypes_def[] = {
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[185] | 31 | { "SYSLOG", NULL, sh_parse_syslog, NULL },
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| 32 | { "SAMBA", sh_read_samba, sh_parse_samba, NULL },
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| 33 | { "APACHE", NULL, sh_parse_apache, sh_eval_fileinfo_apache },
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[183] | 34 | #if defined(HAVE_SYS_ACCT_H)
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[185] | 35 | { "PACCT", sh_read_pacct, sh_parse_pacct, NULL },
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[183] | 36 | #endif
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| 37 | };
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| 38 |
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| 39 | /* -------------------------- Internal Stuff -------------------------- */
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| 40 |
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| 41 | struct logfile_record {
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| 42 | dev_t device_id;
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| 43 | ino_t inode;
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| 44 | fpos_t offset;
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| 45 | /* FIXME include filename hash */
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| 46 | };
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| 47 |
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| 48 | const char * save_dir = NULL;
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| 49 |
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[199] | 50 | static void * sh_dummy_path = NULL;
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| 51 |
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[183] | 52 | static char * build_path (struct sh_logfile * record)
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| 53 | {
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| 54 | size_t plen;
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| 55 | int retval;
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| 56 | char * path = NULL;
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| 57 |
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[199] | 58 | sh_dummy_path = (void *)&path;
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| 59 |
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[183] | 60 | if (!save_dir)
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| 61 | {
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| 62 | save_dir = sh_util_strdup(DEFAULT_PIDDIR);
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| 63 |
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| 64 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 65 | retval = tf_trust_check (save_dir, SL_YESPRIV);
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| 66 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 67 |
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| 68 | if (retval != 0)
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| 69 | {
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| 70 | return(NULL);
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| 71 | }
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| 72 | }
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| 73 |
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| 74 | plen = strlen(save_dir);
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| 75 |
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| 76 | if (SL_TRUE == sl_ok_adds(plen, 129))
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| 77 | {
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| 78 | plen += 129; /* 64 + 64 + 1 */
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| 79 | path = SH_ALLOC(plen);
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| 80 | (void) sl_snprintf(path, plen, "%s/%lu_%lu", save_dir,
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| 81 | (unsigned long) record->device_id,
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| 82 | (unsigned long) record->inode);
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| 83 | }
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| 84 |
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| 85 | return path;
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| 86 | }
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| 87 |
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| 88 | static void save_pos (struct sh_logfile * record)
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| 89 | {
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| 90 | char * path;
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| 91 | FILE * fd;
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| 92 | struct logfile_record save_rec;
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| 93 |
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| 94 | path = build_path(record);
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| 95 |
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| 96 | if (path)
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| 97 | {
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| 98 | fd = fopen(path, "wb");
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| 99 | if (fd)
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| 100 | {
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| 101 | save_rec.device_id = record->device_id;
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| 102 | save_rec.inode = record->inode;
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| 103 | memcpy(&(save_rec.offset), &(record->offset), sizeof(fpos_t));
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| 104 | if (1 != fwrite(&save_rec, sizeof(struct logfile_record), 1, fd))
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| 105 | {
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| 106 | (void) fclose(fd);
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| 107 | (void) remove(path);
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| 108 | }
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| 109 | else
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| 110 | {
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| 111 | (void) fclose(fd);
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| 112 | }
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| 113 | }
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| 114 | SH_FREE(path);
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| 115 | }
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| 116 | return;
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| 117 | }
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| 118 |
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| 119 | static int read_pos (struct sh_logfile * record)
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| 120 | {
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| 121 | int retval = 0;
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| 122 | char * path;
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| 123 | FILE * fd;
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| 124 | struct logfile_record save_rec;
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| 125 |
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| 126 | path = build_path(record);
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| 127 |
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| 128 | if (path)
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| 129 | {
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| 130 | fd = fopen(path, "rb");
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| 131 | if (fd)
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| 132 | {
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| 133 | if (1 == fread(&save_rec, sizeof(struct logfile_record), 1, fd))
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| 134 | {
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| 135 | if (save_rec.device_id == record->device_id &&
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| 136 | save_rec.inode == record->inode)
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| 137 | {
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| 138 | memcpy(&(record->offset),&(save_rec.offset),sizeof(fpos_t));
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| 139 | retval = 1;
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| 140 | }
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| 141 | }
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| 142 | (void) fclose(fd);
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| 143 | }
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| 144 | SH_FREE(path);
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| 145 | }
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| 146 | return retval;
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| 147 | }
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| 148 |
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| 149 | /*@null@*/ static struct sh_logfile * sh_watched_logs = NULL;
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| 150 |
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| 151 | int sh_add_watch (const char * str)
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| 152 | {
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| 153 | char * filename;
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| 154 |
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| 155 | unsigned int i;
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| 156 | unsigned int defsize;
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| 157 | struct sh_logfile_type * log_type = NULL;
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| 158 | struct sh_logfile * thisfile;
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| 159 | struct stat buf;
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| 160 |
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| 161 | unsigned int nfields = 3; /* logtype:path[:regex] */
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| 162 | size_t lengths[3];
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| 163 | char * new = sh_util_strdup(str);
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| 164 | char ** splits = split_array(new, &nfields, ':', lengths);
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| 165 |
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| 166 | if (nfields < 2 || (lengths[0] == 0 || lengths[0] >= SH_MAX_LCODE_SIZE || lengths[1] == 0))
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| 167 | {
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| 168 | sh_string * msg = sh_string_new(0);
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| 169 | sh_string_add_from_char(msg, _("Format error: "));
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| 170 | sh_string_add_from_char(msg, str);
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| 171 |
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| 172 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 173 | sh_error_handle(SH_ERR_ERR, FIL__, __LINE__, 0, MSG_E_SUBGEN,
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| 174 | sh_string_str(msg),
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| 175 | _("sh_add_watch"));
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| 176 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 177 | sh_string_destroy(&msg);
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| 178 |
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| 179 | SH_FREE(new);
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| 180 | return -2;
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| 181 | }
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| 182 |
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| 183 | defsize =
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| 184 | (unsigned int) (sizeof(sh_logtypes_def)/sizeof(struct sh_logfile_type));
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| 185 |
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| 186 | for (i = 0; i < defsize; ++i)
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| 187 | {
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| 188 | if (0 == strcmp(splits[0], sh_logtypes_def[i].code))
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| 189 | {
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| 190 | log_type = &(sh_logtypes_def[i]);
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| 191 | break;
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| 192 | }
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| 193 | }
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| 194 |
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| 195 | if (log_type == NULL)
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| 196 | {
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| 197 | sh_string * msg = sh_string_new(0);
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| 198 | sh_string_add_from_char(msg, _("Unsupported log type: "));
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| 199 | sh_string_add_from_char(msg, splits[0]);
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| 200 |
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| 201 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 202 | sh_error_handle(SH_ERR_ERR, FIL__, __LINE__, 0, MSG_E_SUBGEN,
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| 203 | sh_string_str(msg),
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| 204 | _("sh_add_watch"));
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| 205 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 206 | sh_string_destroy(&msg);
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| 207 |
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| 208 | SH_FREE(new);
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| 209 | return -3;
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| 210 | }
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| 211 |
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| 212 | if (splits[1][0] != '/')
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| 213 | {
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| 214 | sh_string * msg = sh_string_new(0);
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| 215 | sh_string_add_from_char(msg, _("Logfile path not absolute: "));
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| 216 | sh_string_add_from_char(msg, splits[1]);
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| 217 |
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| 218 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 219 | sh_error_handle(SH_ERR_ERR, FIL__, __LINE__, 0, MSG_E_SUBGEN,
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| 220 | sh_string_str(msg),
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| 221 | _("sh_add_watch"));
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| 222 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 223 | sh_string_destroy(&msg);
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| 224 |
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| 225 | SH_FREE(new);
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| 226 | return -4;
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| 227 | }
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| 228 |
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| 229 | filename = /*@i@*/sh_util_strdup(splits[1]);
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| 230 | thisfile = SH_ALLOC(sizeof(struct sh_logfile));
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| 231 |
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| 232 | thisfile->filename = filename;
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| 233 | thisfile->flags = SH_LOGFILE_REWIND;
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| 234 | thisfile->inode = 0;
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| 235 | thisfile->device_id = 0;
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| 236 | thisfile->fp = NULL;
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| 237 | if (log_type->get_record)
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| 238 | thisfile->get_record = log_type->get_record;
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| 239 | else
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| 240 | thisfile->get_record = sh_default_reader;
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| 241 | thisfile->parse_record = log_type->parse_record;
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| 242 |
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| 243 | /* An optional regex for parsing the file. The result
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| 244 | * 'fileinfo' should contain info about host/time position.
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| 245 | */
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| 246 | if (log_type->eval_fileinfo)
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| 247 | {
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| 248 | if (nfields == 3 && lengths[2] > 0)
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| 249 | {
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| 250 | thisfile->fileinfo = log_type->eval_fileinfo(splits[2]);
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| 251 |
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| 252 | if (thisfile->fileinfo == NULL)
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| 253 | {
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| 254 | sh_string * msg = sh_string_new(0);
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| 255 | sh_string_add_from_char(msg, _("Logfile format description not recognized: "));
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| 256 | sh_string_add_from_char(msg, splits[2]);
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| 257 |
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| 258 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 259 | sh_error_handle(SH_ERR_ERR, FIL__, __LINE__, 0, MSG_E_SUBGEN,
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| 260 | sh_string_str(msg),
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| 261 | _("sh_add_watch"));
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| 262 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 263 | sh_string_destroy(&msg);
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| 264 |
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| 265 | SH_FREE(filename);
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| 266 | SH_FREE(thisfile);
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| 267 | SH_FREE(new);
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| 268 | return -1;
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| 269 | }
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| 270 | }
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| 271 | else
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| 272 | {
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| 273 | sh_string * msg = sh_string_new(0);
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| 274 | sh_string_add_from_char(msg, _("Logfile format description missing: "));
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| 275 | sh_string_add_from_char(msg, splits[1]);
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| 276 |
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| 277 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 278 | sh_error_handle(SH_ERR_ERR, FIL__, __LINE__, 0, MSG_E_SUBGEN,
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| 279 | sh_string_str(msg),
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| 280 | _("sh_add_watch"));
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| 281 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 282 | sh_string_destroy(&msg);
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| 283 |
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| 284 | SH_FREE(filename);
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| 285 | SH_FREE(thisfile);
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| 286 | SH_FREE(new);
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| 287 | return -1;
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| 288 | }
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| 289 | }
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| 290 | else
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| 291 | {
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| 292 | thisfile->fileinfo = NULL;
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| 293 | }
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| 294 | thisfile->next = sh_watched_logs;
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| 295 |
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| 296 | /* Try reading saved offset. On success clear rewind flag.
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| 297 | */
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| 298 | if (0 == stat(thisfile->filename, &buf))
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| 299 | {
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| 300 | thisfile->inode = buf.st_ino;
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| 301 | thisfile->device_id = buf.st_dev;
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| 302 |
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| 303 | if (0 != read_pos(thisfile))
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| 304 | {
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| 305 | thisfile->flags &= ~SH_LOGFILE_REWIND;
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| 306 | }
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| 307 | }
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| 308 |
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| 309 | sh_watched_logs = thisfile;
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| 310 |
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| 311 | SH_FREE(new);
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| 312 | return 0;
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| 313 | }
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| 314 |
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| 315 | void sh_dump_watches()
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| 316 | {
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| 317 | struct sh_logfile * thisfile;
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| 318 |
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| 319 | while (sh_watched_logs)
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| 320 | {
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| 321 | thisfile = sh_watched_logs;
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| 322 | sh_watched_logs = thisfile->next;
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| 323 |
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| 324 | save_pos(thisfile);
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| 325 |
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| 326 | if (thisfile->fp)
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| 327 | fclose(thisfile->fp);
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| 328 | if (thisfile->filename)
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| 329 | SH_FREE(thisfile->filename);
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| 330 | SH_FREE(thisfile);
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| 331 | }
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| 332 | return;
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| 333 | }
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| 334 |
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| 335 | /* This variable is not used anywhere. It only exist
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| 336 | * to assign &new to them, which keeps gcc from
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| 337 | * putting it into a register, and avoids the 'clobbered
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| 338 | * by longjmp' warning. And no, 'volatile' proved insufficient.
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| 339 | */
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| 340 | static void * sh_dummy_thisfile = NULL;
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| 341 |
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| 342 | void sh_check_watches()
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| 343 | {
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| 344 | static size_t count = 0;
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| 345 | struct sh_logrecord * logrecord;
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| 346 | struct sh_logfile * thisfile = sh_watched_logs;
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| 347 | sh_string * record = sh_string_new(0);
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| 348 | char * tmp;
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| 349 |
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| 350 | /* Take the address to keep gcc from putting them into registers.
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| 351 | * Avoids the 'clobbered by longjmp' warning.
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| 352 | */
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| 353 | sh_dummy_thisfile = (void*) &thisfile;
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| 354 |
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| 355 | while (thisfile)
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| 356 | {
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| 357 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 358 | tmp = sh_util_safe_name (thisfile->filename);
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| 359 | sh_error_handle((-1), FIL__, __LINE__, 0, MSG_LOGMON_CHKS,
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| 360 | tmp);
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| 361 | SH_FREE(tmp);
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| 362 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 363 |
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| 364 | for (;;) {
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| 365 |
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| 366 | record = thisfile->get_record(record, thisfile);
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| 367 |
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| 368 | if (record)
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| 369 | {
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| 370 | logrecord = thisfile->parse_record(record, thisfile->fileinfo);
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| 371 | ++count;
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| 372 |
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| 373 | if (logrecord)
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| 374 | {
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| 375 | logrecord->filename = thisfile->filename;
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[185] | 376 |
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| 377 | /* Don't report if 'init', just set file pointer
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| 378 | */
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| 379 | if (sh.flag.checkSum != SH_CHECK_INIT)
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| 380 | {
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| 381 | sh_eval_process_msg(logrecord);
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| 382 | }
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[183] | 383 |
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| 384 | if (logrecord->message)
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| 385 | sh_string_destroy(&(logrecord->message));
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| 386 | if (logrecord->host)
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| 387 | sh_string_destroy(&(logrecord->host));
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[185] | 388 | if (logrecord->timestr)
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| 389 | sh_string_destroy(&(logrecord->timestr));
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[183] | 390 | SH_FREE(logrecord);
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| 391 | }
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| 392 | }
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| 393 | else
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| 394 | {
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[185] | 395 | record = sh_string_new(0);
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[183] | 396 | break;
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| 397 | }
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| 398 | }
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| 399 |
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| 400 | SH_MUTEX_LOCK(mutex_thread_nolog);
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| 401 | tmp = sh_util_safe_name (thisfile->filename);
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| 402 | sh_error_handle((-1), FIL__, __LINE__, 0, MSG_LOGMON_CHKE,
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| 403 | tmp, (unsigned long)count);
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| 404 | SH_FREE(tmp);
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| 405 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
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| 406 |
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| 407 | thisfile = thisfile->next;
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| 408 | }
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| 409 | sh_string_destroy(&record);
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| 410 | return;
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| 411 | }
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| 412 |
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| 413 | /********************************************************
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| 414 | * Search rotated logfile
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| 415 | */
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| 416 | #include <unistd.h>
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| 417 | #include <libgen.h>
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| 418 | #include <dirent.h>
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| 419 |
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| 420 | char * sh_rotated_log_search(const char * path, struct stat * buf)
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| 421 | {
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| 422 |
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| 423 | size_t size;
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| 424 | int i;
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| 425 | char * searchpath;
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| 426 | struct stat sbuf;
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| 427 | DIR * dp;
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| 428 | char * dname;
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| 429 | char * bname;
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| 430 |
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| 431 | dname = sh_util_dirname(path);
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| 432 | bname = sh_util_basename(path);
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| 433 |
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| 434 | size = strlen(dname) + strlen(bname) + 4;
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| 435 | searchpath = SH_ALLOC(size);
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| 436 |
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| 437 | for (i = 0; i < 2; ++i)
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| 438 | {
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| 439 | snprintf(searchpath, size, "%s/%s.%1d", dname, bname, i);
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| 440 | if (0 == stat(searchpath, &sbuf) && sbuf.st_ino == buf->st_ino)
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| 441 | {
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| 442 | SH_FREE(dname);
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| 443 | SH_FREE(bname);
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| 444 | return searchpath;
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| 445 | }
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| 446 | }
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| 447 |
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| 448 | SH_FREE(searchpath);
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| 449 |
|
---|
| 450 | if (NULL != (dp = opendir(dname)))
|
---|
| 451 | {
|
---|
| 452 | struct dirent * de;
|
---|
| 453 |
|
---|
| 454 | while (NULL != (de = readdir(dp)))
|
---|
| 455 | {
|
---|
| 456 | if (0 == strcmp(de->d_name, ".") || 0 == strcmp(de->d_name, ".."))
|
---|
| 457 | continue;
|
---|
| 458 |
|
---|
| 459 | size = strlen(dname) + strlen(de->d_name) + 2;
|
---|
| 460 | searchpath = SH_ALLOC(size);
|
---|
| 461 | snprintf(searchpath, size, "%s/%s", dname, de->d_name);
|
---|
| 462 |
|
---|
| 463 | if (0 == stat(searchpath, &sbuf) && sbuf.st_ino == buf->st_ino)
|
---|
| 464 | {
|
---|
| 465 | SH_FREE(dname);
|
---|
| 466 | SH_FREE(bname);
|
---|
| 467 | closedir(dp);
|
---|
| 468 | return searchpath;
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | SH_FREE(searchpath);
|
---|
| 472 | }
|
---|
| 473 | closedir(dp);
|
---|
| 474 | }
|
---|
| 475 |
|
---|
| 476 | SH_FREE(dname);
|
---|
| 477 | SH_FREE(bname);
|
---|
| 478 |
|
---|
| 479 | return NULL;
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | /* Open file, position at stored offset
|
---|
| 483 | */
|
---|
| 484 | int sh_open_for_reader (struct sh_logfile * logfile)
|
---|
| 485 | {
|
---|
| 486 | struct stat buf;
|
---|
| 487 | sh_string * filename;
|
---|
| 488 |
|
---|
| 489 | /* check whether file exists, get inode to check for
|
---|
| 490 | * logfile rotation
|
---|
| 491 | */
|
---|
| 492 | if (0 != retry_stat(FIL__, __LINE__, logfile->filename, &buf))
|
---|
| 493 | {
|
---|
| 494 | char * tmp;
|
---|
| 495 |
|
---|
| 496 | SH_MUTEX_LOCK(mutex_thread_nolog);
|
---|
| 497 | tmp = sh_util_safe_name (logfile->filename);
|
---|
| 498 | sh_error_handle((-1), FIL__, __LINE__, 0, MSG_LOGMON_MISS,
|
---|
| 499 | tmp);
|
---|
| 500 | SH_FREE(tmp);
|
---|
| 501 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
|
---|
| 502 |
|
---|
| 503 | memset (&(logfile->offset), '\0', sizeof(fpos_t));
|
---|
| 504 | logfile->flags |= SH_LOGFILE_REWIND;
|
---|
| 505 | return 0;
|
---|
| 506 | }
|
---|
| 507 |
|
---|
| 508 | filename = sh_string_new(0);
|
---|
| 509 | (void) sh_string_set_from_char (filename, logfile->filename);
|
---|
| 510 |
|
---|
| 511 | /* detect and handle logfile rotation
|
---|
| 512 | */
|
---|
| 513 | if (logfile->inode != buf.st_ino && logfile->inode != 0)
|
---|
| 514 | {
|
---|
| 515 | /* Case 1) We have dealt with the moved file already.
|
---|
| 516 | * Clear the moved flag, set the rewind flag,
|
---|
| 517 | * fix logfile->inode.
|
---|
| 518 | */
|
---|
| 519 | if ((logfile->flags & SH_LOGFILE_MOVED) != 0)
|
---|
| 520 | {
|
---|
| 521 | /* done with rotated file, start with current file
|
---|
| 522 | */
|
---|
| 523 | memset (&(logfile->offset), '\0', sizeof(fpos_t));
|
---|
| 524 | logfile->flags |= SH_LOGFILE_REWIND;
|
---|
| 525 | logfile->flags &= ~SH_LOGFILE_MOVED;
|
---|
| 526 | logfile->inode = buf.st_ino;
|
---|
| 527 | logfile->device_id = buf.st_dev;
|
---|
| 528 | }
|
---|
| 529 |
|
---|
| 530 | /* Case 2) Searching for rotated file.
|
---|
| 531 | * If found: set the moved flag, fix path for fopen.
|
---|
| 532 | * If not found: set the rewind flag, fix logfile->inode.
|
---|
| 533 | */
|
---|
| 534 | else
|
---|
| 535 | {
|
---|
| 536 | char *oldfile = sh_rotated_log_search(logfile->filename, &buf);
|
---|
| 537 |
|
---|
| 538 | if (NULL != oldfile)
|
---|
| 539 | {
|
---|
| 540 | (void) sh_string_set_from_char (filename, oldfile);
|
---|
| 541 | SH_FREE(oldfile);
|
---|
| 542 | logfile->flags |= SH_LOGFILE_MOVED;
|
---|
| 543 | }
|
---|
| 544 | else
|
---|
| 545 | {
|
---|
| 546 | memset (&(logfile->offset), '\0', sizeof(fpos_t));
|
---|
| 547 | logfile->flags |= SH_LOGFILE_REWIND;
|
---|
| 548 | logfile->inode = buf.st_ino;
|
---|
| 549 | logfile->device_id = buf.st_dev;
|
---|
| 550 | }
|
---|
| 551 | }
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | /* open file
|
---|
| 555 | */
|
---|
| 556 | logfile->fp = fopen(filename->str, "r");
|
---|
| 557 | if (!logfile->fp)
|
---|
| 558 | {
|
---|
| 559 | char * tmp;
|
---|
| 560 |
|
---|
| 561 | SH_MUTEX_LOCK(mutex_thread_nolog);
|
---|
| 562 | tmp = sh_util_safe_name (logfile->filename);
|
---|
| 563 | sh_error_handle((-1), FIL__, __LINE__, 0, MSG_LOGMON_EOPEN,
|
---|
| 564 | tmp);
|
---|
| 565 | SH_FREE(tmp);
|
---|
| 566 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
|
---|
| 567 |
|
---|
| 568 | sh_string_destroy(&filename);
|
---|
| 569 | return 0;
|
---|
| 570 | }
|
---|
| 571 |
|
---|
| 572 | sh_string_destroy(&filename);
|
---|
| 573 |
|
---|
| 574 | if ((logfile->flags & SH_LOGFILE_REWIND) != 0)
|
---|
| 575 | {
|
---|
| 576 | rewind(logfile->fp);
|
---|
| 577 | fgetpos(logfile->fp, &(logfile->offset));
|
---|
| 578 | logfile->flags &= ~SH_LOGFILE_REWIND;
|
---|
| 579 | }
|
---|
| 580 | else
|
---|
| 581 | {
|
---|
| 582 | /* file too short
|
---|
| 583 | */
|
---|
| 584 | if (0 != fsetpos(logfile->fp, &(logfile->offset)))
|
---|
| 585 | {
|
---|
| 586 | rewind(logfile->fp);
|
---|
| 587 | fgetpos(logfile->fp, &(logfile->offset));
|
---|
| 588 | }
|
---|
| 589 | }
|
---|
| 590 |
|
---|
| 591 | return 1;
|
---|
| 592 | }
|
---|
| 593 |
|
---|
| 594 | /******************************************************
|
---|
| 595 | * Default reader for ascii text files
|
---|
| 596 | */
|
---|
| 597 | sh_string * sh_default_reader (sh_string * s, struct sh_logfile * logfile)
|
---|
| 598 | {
|
---|
| 599 | int status;
|
---|
| 600 | char * tmp;
|
---|
| 601 |
|
---|
| 602 | start_read:
|
---|
| 603 |
|
---|
| 604 | if (logfile->fp)
|
---|
| 605 | {
|
---|
| 606 | /* Result cannot be larger than 8192, thus cast is ok
|
---|
| 607 | */
|
---|
| 608 | status = (int) sh_string_read(s, logfile->fp, 8192);
|
---|
| 609 | if (status <= 0)
|
---|
| 610 | {
|
---|
| 611 | fgetpos(logfile->fp, &(logfile->offset));
|
---|
| 612 | fclose(logfile->fp);
|
---|
| 613 | logfile->fp = NULL;
|
---|
| 614 | sh_string_destroy(&s);
|
---|
| 615 | if (status == 0)
|
---|
| 616 | {
|
---|
| 617 | return NULL;
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 | SH_MUTEX_LOCK(mutex_thread_nolog);
|
---|
| 621 | tmp = sh_util_safe_name (logfile->filename);
|
---|
| 622 | sh_error_handle((-1), FIL__, __LINE__, 0, MSG_LOGMON_EREAD,
|
---|
| 623 | tmp);
|
---|
| 624 | SH_FREE(tmp);
|
---|
| 625 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
|
---|
| 626 |
|
---|
| 627 | return NULL;
|
---|
| 628 | }
|
---|
| 629 | return s;
|
---|
| 630 | }
|
---|
| 631 |
|
---|
| 632 | if (0 != sh_open_for_reader(logfile))
|
---|
| 633 | goto start_read;
|
---|
| 634 |
|
---|
| 635 | return NULL;
|
---|
| 636 | }
|
---|
| 637 |
|
---|
| 638 | /******************************************************
|
---|
[185] | 639 | * Reader for continued text files
|
---|
| 640 | */
|
---|
| 641 | sh_string * sh_cont_reader (sh_string * s, struct sh_logfile * logfile, char*cont)
|
---|
| 642 | {
|
---|
| 643 | int status;
|
---|
| 644 | char * tmp;
|
---|
| 645 | sh_string * str;
|
---|
| 646 | int remain = 8192;
|
---|
| 647 | int count = 0;
|
---|
| 648 |
|
---|
| 649 | if (!sh_string_truncate(s, 0))
|
---|
| 650 | return NULL;
|
---|
| 651 |
|
---|
| 652 | start_read:
|
---|
| 653 |
|
---|
| 654 | if (logfile->fp)
|
---|
| 655 | {
|
---|
| 656 | str = sh_string_new(0);
|
---|
| 657 |
|
---|
| 658 | /* Result cannot be larger than 8192, thus cast is ok
|
---|
| 659 | */
|
---|
| 660 | status = (int) sh_string_read(str, logfile->fp, 8192);
|
---|
| 661 |
|
---|
| 662 | if (status > 0)
|
---|
| 663 | {
|
---|
| 664 |
|
---|
| 665 | do {
|
---|
| 666 | s = sh_string_add (s, str);
|
---|
| 667 | count += status;
|
---|
| 668 | remain -= status;
|
---|
| 669 |
|
---|
| 670 | if (remain <= 0)
|
---|
| 671 | {
|
---|
| 672 | return s;
|
---|
| 673 | }
|
---|
| 674 |
|
---|
| 675 | status = (int) sh_string_read_cont(str, logfile->fp, count, cont);
|
---|
| 676 |
|
---|
| 677 | if (status == 0)
|
---|
| 678 | {
|
---|
| 679 | return s;
|
---|
| 680 | }
|
---|
| 681 | }
|
---|
| 682 | while (status > 0);
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | if (status <= 0)
|
---|
| 686 | {
|
---|
| 687 | fgetpos(logfile->fp, &(logfile->offset));
|
---|
| 688 | fclose(logfile->fp);
|
---|
| 689 | logfile->fp = NULL;
|
---|
| 690 | sh_string_destroy(&s);
|
---|
| 691 | if (status == 0)
|
---|
| 692 | {
|
---|
| 693 | return NULL;
|
---|
| 694 | }
|
---|
| 695 |
|
---|
| 696 | SH_MUTEX_LOCK(mutex_thread_nolog);
|
---|
| 697 | tmp = sh_util_safe_name (logfile->filename);
|
---|
| 698 | sh_error_handle((-1), FIL__, __LINE__, 0, MSG_LOGMON_EREAD,
|
---|
| 699 | tmp);
|
---|
| 700 | SH_FREE(tmp);
|
---|
| 701 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
|
---|
| 702 |
|
---|
| 703 | return NULL;
|
---|
| 704 | }
|
---|
| 705 |
|
---|
| 706 | return s;
|
---|
| 707 | }
|
---|
| 708 |
|
---|
| 709 | if (0 != sh_open_for_reader(logfile))
|
---|
| 710 | goto start_read;
|
---|
| 711 |
|
---|
| 712 | return NULL;
|
---|
| 713 | }
|
---|
| 714 |
|
---|
| 715 | /******************************************************
|
---|
[183] | 716 | * Reader for binary files
|
---|
| 717 | */
|
---|
| 718 | sh_string * sh_binary_reader (void * s, size_t size, struct sh_logfile * logfile)
|
---|
| 719 | {
|
---|
| 720 | size_t status;
|
---|
| 721 |
|
---|
| 722 | start_read:
|
---|
| 723 |
|
---|
| 724 | if (logfile->fp)
|
---|
| 725 | {
|
---|
| 726 |
|
---|
| 727 | status = fread(s, size, 1, logfile->fp);
|
---|
| 728 |
|
---|
| 729 | if (status != 1)
|
---|
| 730 | {
|
---|
| 731 | if (ferror(logfile->fp))
|
---|
| 732 | {
|
---|
| 733 | char * tmp;
|
---|
| 734 | SH_MUTEX_LOCK(mutex_thread_nolog);
|
---|
| 735 | tmp = sh_util_safe_name (logfile->filename);
|
---|
| 736 | sh_error_handle((-1), FIL__, __LINE__, errno, MSG_LOGMON_EREAD,
|
---|
| 737 | tmp);
|
---|
| 738 | SH_FREE(tmp);
|
---|
| 739 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
|
---|
| 740 | }
|
---|
| 741 | fgetpos(logfile->fp, &(logfile->offset));
|
---|
| 742 | fclose(logfile->fp);
|
---|
| 743 | logfile->fp = NULL;
|
---|
| 744 | memset(s, '\0', size);
|
---|
| 745 | return NULL;
|
---|
| 746 | }
|
---|
| 747 | return s;
|
---|
| 748 | }
|
---|
| 749 |
|
---|
| 750 | if (0 != sh_open_for_reader(logfile))
|
---|
| 751 | goto start_read;
|
---|
| 752 |
|
---|
| 753 | return NULL;
|
---|
| 754 | }
|
---|
| 755 |
|
---|
| 756 |
|
---|
| 757 |
|
---|
| 758 | /**********************************************************
|
---|
| 759 | *
|
---|
| 760 | * Utilities
|
---|
| 761 | *
|
---|
| 762 | **********************************************************/
|
---|
| 763 |
|
---|
| 764 | time_t conv_timestamp (struct tm * btime,
|
---|
| 765 | struct tm * old_tm, time_t * old_time)
|
---|
| 766 | {
|
---|
| 767 | time_t timestamp;
|
---|
| 768 | long offtime;
|
---|
| 769 |
|
---|
| 770 | /* timestamp - mktime is slooow, thus cache result
|
---|
| 771 | */
|
---|
| 772 | if (btime->tm_isdst == old_tm->tm_isdst &&
|
---|
| 773 | btime->tm_year == old_tm->tm_year &&
|
---|
| 774 | btime->tm_mon == old_tm->tm_mon &&
|
---|
| 775 | btime->tm_mday == old_tm->tm_mday)
|
---|
| 776 | {
|
---|
| 777 | offtime =
|
---|
| 778 | (btime->tm_hour - old_tm->tm_hour) * 3600 +
|
---|
| 779 | (btime->tm_min - old_tm->tm_min) * 60 +
|
---|
| 780 | (btime->tm_sec - old_tm->tm_sec);
|
---|
| 781 | *old_time += offtime;
|
---|
| 782 | memcpy(old_tm, btime, sizeof(struct tm));
|
---|
| 783 | timestamp = *old_time;
|
---|
| 784 | }
|
---|
| 785 | else
|
---|
| 786 | {
|
---|
| 787 | timestamp = mktime(btime);
|
---|
| 788 | *old_time = timestamp;
|
---|
| 789 | memcpy(old_tm, btime, sizeof(struct tm));
|
---|
| 790 | }
|
---|
| 791 | return timestamp;
|
---|
| 792 | }
|
---|
| 793 |
|
---|
| 794 | /*********************************************************
|
---|
| 795 | *
|
---|
| 796 | * MODULE STUFF
|
---|
| 797 | *
|
---|
| 798 | *********************************************************/
|
---|
| 799 | #include "sh_modules.h"
|
---|
| 800 |
|
---|
| 801 | SH_MUTEX_STATIC(mutex_logmon_check, PTHREAD_MUTEX_INITIALIZER);
|
---|
| 802 |
|
---|
| 803 | static int ShLogmonActive = S_FALSE;
|
---|
| 804 | #define SH_LOGMON_INTERVAL 10
|
---|
| 805 | static time_t sh_logmon_interval = SH_LOGMON_INTERVAL;
|
---|
| 806 |
|
---|
| 807 | int sh_log_check_init (struct mod_type * arg)
|
---|
| 808 | {
|
---|
| 809 | if (ShLogmonActive == S_FALSE)
|
---|
| 810 | return SH_MOD_FAILED;
|
---|
| 811 | #ifdef HAVE_PTHREAD
|
---|
| 812 | if (arg != NULL && arg->initval < 0 &&
|
---|
| 813 | (sh.flag.isdaemon == S_TRUE || sh.flag.loop == S_TRUE))
|
---|
| 814 | {
|
---|
| 815 | if (0 == sh_pthread_create(sh_threaded_module_run, (void *)arg))
|
---|
| 816 | return SH_MOD_THREAD;
|
---|
| 817 | else
|
---|
| 818 | return SH_MOD_FAILED;
|
---|
| 819 | }
|
---|
| 820 | #endif
|
---|
| 821 | if (sh_watched_logs != NULL)
|
---|
| 822 | return 0;
|
---|
| 823 |
|
---|
| 824 | return -1;
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | int sh_log_check_timer(time_t tcurrent)
|
---|
| 828 | {
|
---|
| 829 | static time_t lastcheck = 0;
|
---|
| 830 |
|
---|
| 831 | SL_ENTER(_("sh_log_check_timer"));
|
---|
| 832 | if ((time_t) (tcurrent - lastcheck) >= sh_logmon_interval)
|
---|
| 833 | {
|
---|
| 834 | lastcheck = tcurrent;
|
---|
| 835 | SL_RETURN((-1), _("sh_log_check_timer"));
|
---|
| 836 | }
|
---|
| 837 | SL_RETURN(0, _("sh_log_check_timer"));
|
---|
| 838 | }
|
---|
| 839 |
|
---|
| 840 |
|
---|
| 841 | int sh_log_check_check(void)
|
---|
| 842 | {
|
---|
| 843 | int status = 0;
|
---|
| 844 |
|
---|
| 845 | SL_ENTER(_("sh_log_check_check"));
|
---|
| 846 |
|
---|
| 847 | SH_MUTEX_LOCK(mutex_logmon_check);
|
---|
| 848 |
|
---|
| 849 | status = 0;
|
---|
| 850 |
|
---|
| 851 | if( ShLogmonActive != S_FALSE )
|
---|
| 852 | {
|
---|
| 853 | sh_check_watches();
|
---|
| 854 | }
|
---|
| 855 | SH_MUTEX_UNLOCK(mutex_logmon_check);
|
---|
| 856 |
|
---|
| 857 | SL_RETURN(status, _("sh_log_check_check"));
|
---|
| 858 | }
|
---|
| 859 |
|
---|
| 860 | int sh_log_check_reconf(void)
|
---|
| 861 | {
|
---|
| 862 | int status = 0;
|
---|
| 863 |
|
---|
| 864 | SL_ENTER(_("sh_log_check_check"));
|
---|
| 865 |
|
---|
| 866 | SH_MUTEX_LOCK(mutex_logmon_check);
|
---|
| 867 |
|
---|
| 868 | ShLogmonActive = S_FALSE;
|
---|
| 869 | sh_logmon_interval = SH_LOGMON_INTERVAL;
|
---|
| 870 | sh_dump_watches();
|
---|
| 871 | sh_eval_cleanup();
|
---|
| 872 |
|
---|
| 873 | SH_MUTEX_UNLOCK(mutex_logmon_check);
|
---|
| 874 |
|
---|
| 875 | SL_RETURN(status, _("sh_log_check_check"));
|
---|
| 876 | }
|
---|
| 877 |
|
---|
| 878 | int sh_log_check_cleanup(void)
|
---|
| 879 | {
|
---|
| 880 | return sh_log_check_reconf();
|
---|
| 881 | }
|
---|
| 882 |
|
---|
| 883 | /********************* OPTIONS **********************/
|
---|
| 884 |
|
---|
| 885 | static int sh_logmon_set_active (const char *str);
|
---|
| 886 | static int sh_logmon_set_interval(const char *str);
|
---|
| 887 | static int sh_logmon_add_watch (const char * str);
|
---|
| 888 | static int sh_logmon_add_group (const char * str);
|
---|
| 889 | static int sh_logmon_end_group (const char * str);
|
---|
| 890 | static int sh_logmon_add_host (const char * str);
|
---|
| 891 | static int sh_logmon_end_host (const char * str);
|
---|
| 892 | static int sh_logmon_add_queue (const char * str);
|
---|
| 893 | static int sh_logmon_add_rule (const char * str);
|
---|
| 894 | extern int sh_set_hidepid(const char *s);
|
---|
| 895 |
|
---|
| 896 | sh_rconf sh_log_check_table[] = {
|
---|
| 897 | {
|
---|
| 898 | N_("logmonactive"),
|
---|
| 899 | sh_logmon_set_active,
|
---|
| 900 | },
|
---|
| 901 | {
|
---|
| 902 | N_("logmoninterval"),
|
---|
| 903 | sh_logmon_set_interval,
|
---|
| 904 | },
|
---|
| 905 | {
|
---|
| 906 | N_("logmonwatch"),
|
---|
| 907 | sh_logmon_add_watch,
|
---|
| 908 | },
|
---|
| 909 | {
|
---|
| 910 | N_("logmonqueue"),
|
---|
| 911 | sh_logmon_add_queue,
|
---|
| 912 | },
|
---|
| 913 | {
|
---|
| 914 | N_("logmongroup"),
|
---|
| 915 | sh_logmon_add_group,
|
---|
| 916 | },
|
---|
| 917 | {
|
---|
| 918 | N_("logmonendgroup"),
|
---|
| 919 | sh_logmon_end_group,
|
---|
| 920 | },
|
---|
| 921 | {
|
---|
| 922 | N_("logmonhost"),
|
---|
| 923 | sh_logmon_add_host,
|
---|
| 924 | },
|
---|
| 925 | {
|
---|
| 926 | N_("logmonendhost"),
|
---|
| 927 | sh_logmon_end_host,
|
---|
| 928 | },
|
---|
| 929 | {
|
---|
| 930 | N_("logmonrule"),
|
---|
| 931 | sh_logmon_add_rule,
|
---|
| 932 | },
|
---|
| 933 | {
|
---|
| 934 | N_("logmonhidepid"),
|
---|
| 935 | sh_set_hidepid,
|
---|
| 936 | },
|
---|
| 937 | {
|
---|
| 938 | NULL,
|
---|
| 939 | NULL
|
---|
| 940 | }
|
---|
| 941 | };
|
---|
| 942 |
|
---|
| 943 | /* Decide if we're active.
|
---|
| 944 | */
|
---|
| 945 | static int sh_logmon_set_active(const char *str)
|
---|
| 946 | {
|
---|
| 947 | int value;
|
---|
| 948 |
|
---|
| 949 | SL_ENTER(_("sh_logmon_set_active"));
|
---|
| 950 |
|
---|
| 951 | value = sh_util_flagval(str, &ShLogmonActive);
|
---|
| 952 |
|
---|
| 953 | SL_RETURN((value), _("sh_logmon_set_active"));
|
---|
| 954 | }
|
---|
| 955 |
|
---|
| 956 | static int sh_logmon_set_interval (const char * c)
|
---|
| 957 | {
|
---|
| 958 | int retval = 0;
|
---|
| 959 | long val;
|
---|
| 960 |
|
---|
| 961 | SL_ENTER(_("sh_logmon_set_interval"));
|
---|
| 962 | val = strtol (c, (char **)NULL, 10);
|
---|
| 963 | if (val <= 0)
|
---|
| 964 | {
|
---|
| 965 | SH_MUTEX_LOCK(mutex_thread_nolog);
|
---|
| 966 | sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
|
---|
| 967 | _("log monitoring interval"), c);
|
---|
| 968 | SH_MUTEX_UNLOCK(mutex_thread_nolog);
|
---|
| 969 | retval = -1;
|
---|
| 970 | }
|
---|
| 971 |
|
---|
| 972 | sh_logmon_interval = (time_t) val;
|
---|
| 973 | SL_RETURN(0, _("sh_logmon_set_interval"));
|
---|
| 974 | }
|
---|
| 975 |
|
---|
| 976 | /* Add a watch on a logfile.
|
---|
| 977 | * Format: TYPE : Filename [: File_Format]
|
---|
| 978 | */
|
---|
| 979 | static int sh_logmon_add_watch (const char * str)
|
---|
| 980 | {
|
---|
| 981 | return sh_add_watch(str);
|
---|
| 982 | }
|
---|
| 983 |
|
---|
| 984 | /* Add a host.
|
---|
| 985 | * Format: Name_Regex
|
---|
| 986 | */
|
---|
| 987 | static int sh_logmon_add_host (const char * str)
|
---|
| 988 | {
|
---|
| 989 | return sh_eval_hadd(str);
|
---|
| 990 | }
|
---|
| 991 |
|
---|
| 992 | /* End a host.
|
---|
| 993 | * Format: Name
|
---|
| 994 | */
|
---|
| 995 | static int sh_logmon_end_host (const char * str)
|
---|
| 996 | {
|
---|
| 997 | (void) str;
|
---|
| 998 | return sh_eval_hend(NULL);
|
---|
| 999 | }
|
---|
| 1000 |
|
---|
| 1001 | /* Add a group of rules.
|
---|
| 1002 | * Groups can be under hosts, but not vice versa.
|
---|
| 1003 | * Format: Name : Prefix_Regex
|
---|
| 1004 | */
|
---|
| 1005 | static int sh_logmon_add_group (const char * str)
|
---|
| 1006 | {
|
---|
| 1007 | return sh_eval_gadd(str);
|
---|
| 1008 | }
|
---|
| 1009 |
|
---|
| 1010 | /* End a group of rules.
|
---|
| 1011 | * Format: Name
|
---|
| 1012 | */
|
---|
| 1013 | static int sh_logmon_end_group (const char * str)
|
---|
| 1014 | {
|
---|
| 1015 | (void) str;
|
---|
| 1016 | return sh_eval_gend(NULL);
|
---|
| 1017 | }
|
---|
| 1018 |
|
---|
| 1019 | /* Define a reporting queue.
|
---|
| 1020 | * Format: Label : [Interval] : TYPE : Severity
|
---|
| 1021 | * TYPE must be 'report' or 'sum'
|
---|
| 1022 | * Interval is ignored for TYPE='report'
|
---|
| 1023 | */
|
---|
| 1024 | static int sh_logmon_add_queue (const char * str)
|
---|
| 1025 | {
|
---|
| 1026 | return sh_eval_qadd(str);
|
---|
| 1027 | }
|
---|
| 1028 |
|
---|
| 1029 | /* Define a check rule.
|
---|
| 1030 | * Format: Queue_Label : Regex
|
---|
| 1031 | * TYPE must be 'report' or 'sum'
|
---|
| 1032 | */
|
---|
| 1033 | static int sh_logmon_add_rule (const char * str)
|
---|
| 1034 | {
|
---|
| 1035 | return sh_eval_radd(str);
|
---|
| 1036 | }
|
---|
| 1037 |
|
---|
| 1038 |
|
---|
| 1039 | #if 0
|
---|
| 1040 |
|
---|
| 1041 | /* >>>>>>>>>>> MAIN <<<<<<<<<<<<<<<<<<< */
|
---|
| 1042 |
|
---|
| 1043 | int main (int argc, char * argv[])
|
---|
| 1044 | {
|
---|
| 1045 | int status, i;
|
---|
| 1046 | FILE * fp;
|
---|
| 1047 | sh_string * s = NULL;
|
---|
| 1048 | static char template[] = "/tmp/xtest.XXXXXX";
|
---|
| 1049 |
|
---|
| 1050 | /* pacct */
|
---|
| 1051 | status = sh_add_watch("PACCT:/var/log/account/pacct");
|
---|
| 1052 | sh_check_watches();
|
---|
| 1053 | sh_dump_watches();
|
---|
| 1054 | exit(0);
|
---|
| 1055 |
|
---|
| 1056 | /* apache log */
|
---|
| 1057 | sh_eval_gadd("four_o_four:404");
|
---|
| 1058 | sh_eval_qadd("test:1:sum:7");
|
---|
| 1059 | sh_eval_radd("test:^(\\d+.\\d+.\\d+.\\d+).*");
|
---|
| 1060 | sh_eval_gend(NULL);
|
---|
| 1061 | sh_eval_radd("trash:.*");
|
---|
| 1062 | status = sh_add_watch("APACHE:/var/log/apache2/access.log:combined");
|
---|
| 1063 | sh_check_watches();
|
---|
| 1064 | sh_dump_watches();
|
---|
| 1065 | exit(0);
|
---|
| 1066 |
|
---|
| 1067 | /* logfile */
|
---|
| 1068 | sh_set_hidepid(1);
|
---|
| 1069 | sh_eval_hadd("hslxmsrv1");
|
---|
| 1070 | sh_eval_gadd("postfix:postfix");
|
---|
| 1071 | sh_eval_qadd("test::report:7");
|
---|
| 1072 | sh_eval_radd("test:postfix/smtpd: disconnect from localhost.*");
|
---|
| 1073 | sh_eval_radd("trash:postfix/smtpd: disconnect.*");
|
---|
| 1074 | sh_eval_hadd("hspc05");
|
---|
| 1075 | sh_eval_gadd("cron:CRON");
|
---|
| 1076 | sh_eval_qadd("test:1:sum:7");
|
---|
| 1077 | sh_eval_radd("test:CRON: PAM adding faulty module: (/lib/security/.*.so)");
|
---|
| 1078 | sh_eval_radd("trash:.*");
|
---|
| 1079 | status = sh_add_watch("SYSLOG:/var/log/messages");
|
---|
| 1080 | sh_check_watches();
|
---|
| 1081 |
|
---|
| 1082 | sh_dump_watches();
|
---|
| 1083 | exit(0);
|
---|
| 1084 |
|
---|
| 1085 | printf("%d types\n",
|
---|
| 1086 | (int) (sizeof(sh_logtypes_def)/sizeof(struct sh_logfile_type)));
|
---|
| 1087 |
|
---|
| 1088 | /* test sh_add_watch
|
---|
| 1089 | */
|
---|
| 1090 | status = sh_add_watch("");
|
---|
| 1091 | printf("%2d: zero length, expect -1\n", status);
|
---|
| 1092 | status = sh_add_watch(NULL);
|
---|
| 1093 | printf("%2d: NULL, expect -2\n", status);
|
---|
| 1094 | status = sh_add_watch("0123456789012345:/var/log/messages");
|
---|
| 1095 | printf("%2d: long, expect -2\n", status);
|
---|
| 1096 | status = sh_add_watch("012345678901234:/var/log/messages");
|
---|
| 1097 | printf("%2d: exact length, expect -3\n", status);
|
---|
| 1098 | status = sh_add_watch("01234567890123:56789");
|
---|
| 1099 | printf("%2d: short length, expect -3\n", status);
|
---|
| 1100 | status = sh_add_watch("SYSLOG:var/log/messages");
|
---|
| 1101 | printf("%2d: short badpath, expect -4\n", status);
|
---|
| 1102 | status = sh_add_watch("SYSLOG:/var/log/messages");
|
---|
| 1103 | // status = sh_add_watch("SYSLOG:/var/log/dpkg.log.1");
|
---|
| 1104 | printf("%2d: short path ok, expect 0\n", status);
|
---|
| 1105 |
|
---|
| 1106 | /* test sh_string_read
|
---|
| 1107 | */
|
---|
| 1108 | s = sh_string_new();
|
---|
| 1109 |
|
---|
| 1110 | status = /*@i@*/mkstemp(template);
|
---|
| 1111 |
|
---|
| 1112 | if (status < 0) {
|
---|
| 1113 | fprintf(stderr, "error in mkstemp!\n"); exit(EXIT_FAILURE); }
|
---|
| 1114 |
|
---|
| 1115 | fp = fdopen(status, "r+");
|
---|
| 1116 | if (!fp) {
|
---|
| 1117 | fprintf(stderr, "error in fdopen!\n"); exit(EXIT_FAILURE); }
|
---|
| 1118 |
|
---|
| 1119 | for (i = 0; i < 80; ++i) { fputc ('a', fp); } fputc ('\n', fp); // 0
|
---|
| 1120 | for (i = 0; i < 118; ++i) { fputc ('a', fp); } fputc ('\n', fp); // 1
|
---|
| 1121 | for (i = 0; i < 119; ++i) { fputc ('a', fp); } fputc ('\n', fp); // 2
|
---|
| 1122 | for (i = 0; i < 120; ++i) { fputc ('a', fp); } fputc ('\n', fp); // 3
|
---|
| 1123 | for (i = 0; i < 121; ++i) { fputc ('a', fp); } fputc ('\n', fp); // 4
|
---|
| 1124 | for (i = 0; i < 238; ++i) { fputc ('a', fp); } fputc ('\n', fp);
|
---|
| 1125 | for (i = 0; i < 239; ++i) { fputc ('a', fp); } fputc ('\n', fp);
|
---|
| 1126 | for (i = 0; i < 240; ++i) { fputc ('a', fp); } fputc ('\n', fp);
|
---|
| 1127 | for (i = 0; i < 241; ++i) { fputc ('a', fp); } fputc ('\n', fp);
|
---|
| 1128 |
|
---|
| 1129 | rewind(fp);
|
---|
| 1130 |
|
---|
| 1131 | for (i = 0; i < 9; ++i)
|
---|
| 1132 | {
|
---|
| 1133 | status = (int) sh_string_read(s, fp, 120);
|
---|
| 1134 | printf("%d: status = %d, len = %d, size = %d\n",
|
---|
| 1135 | i, status, (int)s->len, (int)s->siz);
|
---|
| 1136 | if (status == -2)
|
---|
| 1137 | (void) sh_string_read(s, fp, 240);
|
---|
| 1138 | else
|
---|
| 1139 | printf("%s\n", s->str);
|
---|
| 1140 | }
|
---|
| 1141 |
|
---|
| 1142 | rewind(fp);
|
---|
| 1143 |
|
---|
| 1144 | (void) sh_string_truncate(s, 0);
|
---|
| 1145 |
|
---|
| 1146 | for (i = 0; i < 9; ++i)
|
---|
| 1147 | {
|
---|
| 1148 | status = (int) sh_string_read(s, fp, 240);
|
---|
| 1149 | printf("%d: status = %d, len = %d, size = %d\n",
|
---|
| 1150 | i, status, (int)s->len, (int)s->siz);
|
---|
| 1151 | if (status == -2)
|
---|
| 1152 | (void) sh_string_read(s, fp, 240);
|
---|
| 1153 | else
|
---|
| 1154 | {
|
---|
| 1155 | for (status = 0; status < (int)s->len; ++status)
|
---|
| 1156 | {
|
---|
| 1157 | if (s->str[status] != 'a')
|
---|
| 1158 | {
|
---|
| 1159 | break;
|
---|
| 1160 | }
|
---|
| 1161 | }
|
---|
| 1162 | printf("%d %s\n", status, s->str);
|
---|
| 1163 | }
|
---|
| 1164 | }
|
---|
| 1165 |
|
---|
| 1166 | fclose(fp); remove(template);
|
---|
| 1167 |
|
---|
| 1168 |
|
---|
| 1169 |
|
---|
| 1170 | return 0;
|
---|
| 1171 | }
|
---|
| 1172 | #endif
|
---|
| 1173 |
|
---|
| 1174 | /* #ifdef USE_LOGFILE_MONITOR */
|
---|
| 1175 | #endif
|
---|
| 1176 |
|
---|