END_TEST
START_TEST(test_success_strisnum)
{
int i;
/*
* Please note that all strings are \ escaped
*/
const char *tests[] = {
"1",
"0123",
NULL,
};
for(i=0; tests[i] != NULL ; i++) {
ck_assert_msg(OS_StrIsNum(tests[i]),
"%s should match positive by OS_StrIsNum",
tests[i]);
}
}
END_TEST
START_TEST(test_fail_strisnum)
{
int i;
/*
* Please note that all strings are \ escaped
*/
const char *tests[] = {
"test",
"1234e",
"-1",
"+1",
NULL,
};
for(i=0; tests[i] != NULL ; i++) {
ck_assert_msg(!OS_StrIsNum(tests[i]),
"%s should not match positive by OS_StrIsNum",
tests[i]);
}
}
/** int ReadActiveResponses(XML_NODE node, void *d1, void *d2)
* Generates a list with all active responses.
*/
int ReadActiveResponses(XML_NODE node, void *d1, void *d2)
{
FILE *fp;
int i = 0;
int r_ar = 0;
int l_ar = 0;
int rpt = 0;
/* Xml options */
char *xml_ar_command = "command";
char *xml_ar_location = "location";
char *xml_ar_agent_id = "agent_id";
char *xml_ar_rules_id = "rules_id";
char *xml_ar_rules_group = "rules_group";
char *xml_ar_level = "level";
char *xml_ar_timeout = "timeout";
char *xml_ar_disabled = "disabled";
char *xml_ar_repeated = "repeated_offenders";
char *tmp_location;
/* Currently active response */
active_response *tmp_ar;
/* Opening shared ar file */
fp = fopen(DEFAULTARPATH, "a");
if(!fp)
{
merror(FOPEN_ERROR, ARGV0, DEFAULTARPATH);
return(-1);
}
chmod(DEFAULTARPATH, 0444);
/* Allocating for the active-response */
tmp_ar = calloc(1, sizeof(active_response));
if(!tmp_ar)
{
merror(MEM_ERROR, ARGV0);
return(-1);
}
/* Initializing variables */
tmp_ar->name = NULL;
tmp_ar->command = NULL;
tmp_ar->location = 0;
tmp_ar->timeout = 0;
tmp_ar->level = 0;
tmp_ar->agent_id = NULL;
tmp_ar->rules_id = NULL;
tmp_ar->rules_group = NULL;
tmp_ar->ar_cmd = NULL;
tmp_location = NULL;
/* Searching for the commands */
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
/* Command */
if(strcmp(node[i]->element, xml_ar_command) == 0)
{
tmp_ar->command = strdup(node[i]->content);
}
/* Target */
else if(strcmp(node[i]->element, xml_ar_location) == 0)
{
tmp_location = strdup(node[i]->content);
}
else if(strcmp(node[i]->element, xml_ar_agent_id) == 0)
{
tmp_ar->agent_id = strdup(node[i]->content);
}
else if(strcmp(node[i]->element, xml_ar_rules_id) == 0)
{
tmp_ar->rules_id = strdup(node[i]->content);
}
else if(strcmp(node[i]->element, xml_ar_rules_group) == 0)
{
tmp_ar->rules_group = strdup(node[i]->content);
}
else if(strcmp(node[i]->element, xml_ar_level) == 0)
{
/* Level must be numeric */
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
tmp_ar->level = atoi(node[i]->content);
/* Making sure the level is valid */
if((tmp_ar->level < 0) || (tmp_ar->level > 20))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_ar_timeout) == 0)
{
tmp_ar->timeout = atoi(node[i]->content);
}
else if(strcmp(node[i]->element, xml_ar_disabled) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{
ar_flag = -1;
}
else if(strcmp(node[i]->content, "no") == 0)
{
/* Don't do anything if disabled is set to "no" */
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_ar_repeated) == 0)
{
/* Nothing - we deal with it on execd. */
rpt = 1;
}
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
/* Checking if ar is disabled */
if(ar_flag == -1)
{
fclose(fp);
return(0);
}
/* Command and location must be there */
if(!tmp_ar->command || !tmp_location)
{
if(rpt == 1)
{
fclose(fp);
return(0);
}
merror(AR_MISS, ARGV0);
return(-1);
}
/* analysisd */
if(OS_Regex("AS|analysisd|analysis-server|server", tmp_location))
{
tmp_ar->location|= AS_ONLY;
}
if(OS_Regex("local", tmp_location))
{
tmp_ar->location|= REMOTE_AGENT;
}
if(OS_Regex("defined-agent", tmp_location))
{
if(!tmp_ar->agent_id)
{
merror(AR_DEF_AGENT, ARGV0);
return(-1);
}
tmp_ar->location|= SPECIFIC_AGENT;
}
if(OS_Regex("all|any", tmp_location))
{
tmp_ar->location|=ALL_AGENTS;
}
/* If we didn't set any value for the location */
if(tmp_ar->location == 0)
{
merror(AR_INV_LOC, ARGV0, tmp_location);
return(-1);
}
/* cleaning tmp_location */
free(tmp_location);
tmp_location = NULL;
/* Checking if command name is valid */
{
OSListNode *my_commands_node;
my_commands_node = OSList_GetFirstNode(d1);
while(my_commands_node)
{
ar_command *my_command;
my_command = (ar_command *)my_commands_node->data;
if(strcmp(my_command->name, tmp_ar->command) == 0)
{
tmp_ar->ar_cmd = my_command;
break;
}
my_commands_node = OSList_GetNextNode(d1);
}
/* Didn't find a valid command */
if(tmp_ar->ar_cmd == NULL)
{
merror(AR_INV_CMD, ARGV0, tmp_ar->command);
return(-1);
}
}
/* Checking if timeout is allowed */
if(tmp_ar->timeout && !tmp_ar->ar_cmd->timeout_allowed)
{
merror(AR_NO_TIMEOUT, ARGV0, tmp_ar->ar_cmd->name);
return(-1);
}
/* d1 is the active response list */
if(!OSList_AddData(d2, (void *)tmp_ar))
{
merror(LIST_ADD_ERROR, ARGV0);
return(-1);
}
/* Setting a unique active response name */
tmp_ar->name = calloc(OS_FLSIZE +1, sizeof(char));
if(!tmp_ar->name)
{
ErrorExit(MEM_ERROR, ARGV0);
}
snprintf(tmp_ar->name, OS_FLSIZE, "%s%d",
tmp_ar->ar_cmd->name,
tmp_ar->timeout);
/* Adding to shared file */
fprintf(fp, "%s - %s - %d\n",
tmp_ar->name,
tmp_ar->ar_cmd->executable,
tmp_ar->timeout);
/* Setting the configs to start the right queues */
if(tmp_ar->location & AS_ONLY)
{
l_ar = 1;
}
if(tmp_ar->location & ALL_AGENTS)
{
r_ar = 1;
}
if(tmp_ar->location & REMOTE_AGENT)
{
r_ar = 1;
l_ar = 1;
}
if(tmp_ar->location & SPECIFIC_AGENT)
{
r_ar = 1;
}
/* Setting the configuration for the active response */
if(r_ar && (!(ar_flag & REMOTE_AR)))
{
ar_flag|= REMOTE_AR;
}
if(l_ar && (!(ar_flag & LOCAL_AR)))
{
ar_flag|= LOCAL_AR;
}
/* Closing shared file for active response */
fclose(fp);
/* Done over here */
return(0);
}
int Read_Localfile(XML_NODE node, void *d1, void *d2)
{
int pl = 0;
int i = 0;
int glob_set = 0;
#ifndef WIN32
int glob_offset = 0;
#endif
/* XML Definitions */
char *xml_localfile_location = "location";
char *xml_localfile_command = "command";
char *xml_localfile_logformat = "log_format";
char *xml_localfile_frequency = "frequency";
char *xml_localfile_alias = "alias";
logreader *logf;
logreader_config *log_config;
log_config = (logreader_config *)d1;
/* If config is not set, we need to create it */
if(!log_config->config)
{
os_calloc(2, sizeof(logreader), log_config->config);
logf = log_config->config;
logf[0].file = NULL;
logf[0].command = NULL;
logf[0].alias = NULL;
logf[0].logformat = NULL;
logf[1].file = NULL;
logf[1].command = NULL;
logf[1].alias = NULL;
logf[1].logformat = NULL;
}
else
{
logf = log_config->config;
while(logf[pl].file != NULL)
{
pl++;
}
/* Allocating more memory */
os_realloc(logf, (pl +2)*sizeof(logreader), log_config->config);
logf = log_config->config;
logf[pl +1].file = NULL;
logf[pl +1].command = NULL;
logf[pl +1].alias = NULL;
logf[pl +1].logformat = NULL;
}
logf[pl].file = NULL;
logf[pl].command = NULL;
logf[pl].alias = NULL;
logf[pl].logformat = NULL;
logf[pl].fp = NULL;
logf[pl].ffile = NULL;
logf[pl].djb_program_name = NULL;
logf[pl].ign = 360;
/* Searching for entries related to files */
i = 0;
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
else if(strcmp(node[i]->element,xml_localfile_command) == 0)
{
/* We don't accept remote commands from the manager - just in case. */
if(log_config->agent_cfg == 1 && log_config->accept_remote == 0)
{
merror("%s: Remote commands are not accepted from the manager. "
"Ignoring it on the agent.conf", ARGV0);
logf[pl].file = NULL;
logf[pl].ffile = NULL;
logf[pl].command = NULL;
logf[pl].alias = NULL;
logf[pl].logformat = NULL;
logf[pl].fp = NULL;
return(OS_INVALID);
}
os_strdup(node[i]->content, logf[pl].file);
logf[pl].command = logf[pl].file;
}
else if(strcmp(node[i]->element,xml_localfile_frequency) == 0)
{
if(strcmp(node[i]->content, "hourly") == 0)
{
logf[pl].ign = 3600;
}
else if(strcmp(node[i]->content, "daily") == 0)
{
logf[pl].ign = 86400;
}
else
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
logf[pl].ign = atoi(node[i]->content);
}
}
else if(strcmp(node[i]->element,xml_localfile_location) == 0)
{
#ifdef WIN32
/* Expand variables on Windows. */
if(strchr(node[i]->content, '%'))
{
int expandreturn = 0;
char newfile[OS_MAXSTR +1];
newfile[OS_MAXSTR] = '\0';
expandreturn = ExpandEnvironmentStrings(node[i]->content,
newfile, OS_MAXSTR);
if((expandreturn > 0) && (expandreturn < OS_MAXSTR))
{
free(node[i]->content);
os_strdup(newfile, node[i]->content);
}
}
#endif
/* This is a glob*.
* We will call this file multiple times until
* there is no one else available.
*/
#ifndef WIN32 /* No windows support for glob */
if(strchr(node[i]->content, '*') ||
strchr(node[i]->content, '?') ||
strchr(node[i]->content, '['))
{
glob_t g;
/* Setting ot the first entry of the glob */
if(glob_set == 0)
glob_set = pl +1;
if(glob(node[i]->content, 0, NULL, &g) != 0)
{
merror(GLOB_ERROR, ARGV0, node[i]->content);
os_strdup(node[i]->content, logf[pl].file);
i++;
continue;
}
/* Checking for the last entry */
if((g.gl_pathv[glob_offset]) == NULL)
{
/* Checking when nothing is found. */
if(glob_offset == 0)
{
merror(GLOB_NFOUND, ARGV0, node[i]->content);
return(OS_INVALID);
}
i++;
continue;
}
/* Checking for strftime on globs too. */
if(strchr(g.gl_pathv[glob_offset], '%'))
{
struct tm *p;
time_t l_time = time(0);
char lfile[OS_FLSIZE + 1];
size_t ret;
p = localtime(&l_time);
lfile[OS_FLSIZE] = '\0';
ret = strftime(lfile, OS_FLSIZE, g.gl_pathv[glob_offset], p);
if(ret == 0)
{
merror(PARSE_ERROR, ARGV0, g.gl_pathv[glob_offset]);
return(OS_INVALID);
}
os_strdup(g.gl_pathv[glob_offset], logf[pl].ffile);
os_strdup(g.gl_pathv[glob_offset], logf[pl].file);
}
else
{
os_strdup(g.gl_pathv[glob_offset], logf[pl].file);
}
glob_offset++;
globfree(&g);
/* Now we need to create another file entry */
pl++;
os_realloc(logf, (pl +2)*sizeof(logreader), log_config->config);
logf = log_config->config;
logf[pl].file = NULL;
logf[pl].alias = NULL;
logf[pl].logformat = NULL;
logf[pl].fp = NULL;
logf[pl].ffile = NULL;
logf[pl +1].file = NULL;
logf[pl +1].alias = NULL;
logf[pl +1].logformat = NULL;
/* We can not increment the file count in here */
continue;
}
else if(strchr(node[i]->content, '%'))
#else
if(strchr(node[i]->content, '%'))
#endif /* WIN32 */
/* We need the format file (based on date) */
{
struct tm *p;
time_t l_time = time(0);
char lfile[OS_FLSIZE + 1];
size_t ret;
p = localtime(&l_time);
lfile[OS_FLSIZE] = '\0';
ret = strftime(lfile, OS_FLSIZE, node[i]->content, p);
if(ret == 0)
{
merror(PARSE_ERROR, ARGV0, node[i]->content);
return(OS_INVALID);
}
os_strdup(node[i]->content, logf[pl].ffile);
os_strdup(node[i]->content, logf[pl].file);
}
/* Normal file */
else
{
os_strdup(node[i]->content, logf[pl].file);
}
}
/* Getting log format */
else if(strcasecmp(node[i]->element,xml_localfile_logformat) == 0)
{
os_strdup(node[i]->content, logf[pl].logformat);
if(strcmp(logf[pl].logformat, "syslog") == 0)
{
}
else if(strcmp(logf[pl].logformat, "generic") == 0)
{
}
else if(strcmp(logf[pl].logformat, "snort-full") == 0)
{
}
else if(strcmp(logf[pl].logformat, "snort-fast") == 0)
{
}
else if(strcmp(logf[pl].logformat, "apache") == 0)
{
}
else if(strcmp(logf[pl].logformat, "iis") == 0)
{
}
else if(strcmp(logf[pl].logformat, "squid") == 0)
{
}
else if(strcmp(logf[pl].logformat, "nmapg") == 0)
{
}
else if(strcmp(logf[pl].logformat, "mysql_log") == 0)
{
}
else if(strcmp(logf[pl].logformat, "ossecalert") == 0)
{
}
else if(strcmp(logf[pl].logformat, "mssql_log") == 0)
{
}
else if(strcmp(logf[pl].logformat, "postgresql_log") == 0)
{
}
else if(strcmp(logf[pl].logformat, "djb-multilog") == 0)
{
}
else if(strcmp(logf[pl].logformat, "syslog-pipe") == 0)
{
}
else if(strcmp(logf[pl].logformat, "command") == 0)
{
}
else if(strcmp(logf[pl].logformat, "full_command") == 0)
{
}
else if(strncmp(logf[pl].logformat, "multi-line", 10) == 0)
{
int x = 0;
logf[pl].logformat+=10;
while(logf[pl].logformat[0] == ' ')
logf[pl].logformat++;
if(logf[pl].logformat[0] != ':')
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
logf[pl].logformat++;
while(*logf[pl].logformat == ' ')
logf[pl].logformat++;
while(logf[pl].logformat[x] >= '0' && logf[pl].logformat[x] <= '9')
x++;
while(logf[pl].logformat[x] == ' ')
x++;
if(logf[pl].logformat[x] != '\0')
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(logf[pl].logformat, EVENTLOG) == 0)
{
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
else if(strcasecmp(node[i]->element,xml_localfile_alias) == 0)
{
os_strdup(node[i]->content, logf[pl].alias);
}
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
/* Validating glob entries */
if(glob_set)
{
char *format;
/* Getting log format */
if(logf[pl].logformat)
{
format = logf[pl].logformat;
}
else if(logf[glob_set -1].logformat)
{
format = logf[glob_set -1].logformat;
}
else
{
merror(MISS_LOG_FORMAT, ARGV0);
return(OS_INVALID);
}
/* The last entry is always null on glob */
pl--;
/* Setting format for all entries */
for(i = (glob_set -1); i<= pl; i++)
{
/* Every entry must be valid */
if(!logf[i].file)
{
merror(MISS_FILE, ARGV0);
return(OS_INVALID);
}
if(logf[i].logformat == NULL)
{
logf[i].logformat = format;
}
}
}
/* Missing log format */
if(!logf[pl].logformat)
{
merror(MISS_LOG_FORMAT, ARGV0);
return(OS_INVALID);
}
/* Missing file */
if(!logf[pl].file)
{
merror(MISS_FILE, ARGV0);
return(OS_INVALID);
}
/* Verifying a valid event log config */
if(strcmp(logf[pl].logformat, EVENTLOG) == 0)
{
if((strcmp(logf[pl].file, "Application") != 0)&&
(strcmp(logf[pl].file, "System") != 0)&&
(strcmp(logf[pl].file, "Security") != 0))
{
/* Invalid event log */
merror(NSTD_EVTLOG, ARGV0, logf[pl].file);
return(0);
}
}
if((strcmp(logf[pl].logformat, "command") == 0)||
(strcmp(logf[pl].logformat, "full_command") == 0))
{
if(!logf[pl].command)
{
merror("%s: ERROR: Missing 'command' argument. "
"This option will be ignored.", ARGV0);
}
}
return(0);
}
int Read_CSyslog(XML_NODE node, void *config, void *config2)
{
int i = 0,s = 0;
/* XML definitions */
char *xml_syslog_server = "server";
char *xml_syslog_port = "port";
char *xml_syslog_format = "format";
char *xml_syslog_level = "level";
char *xml_syslog_id = "rule_id";
char *xml_syslog_group = "group";
char *xml_syslog_location = "event_location";
GeneralConfig *gen_config = (GeneralConfig *)config;
SyslogConfig **syslog_config = (SyslogConfig **)gen_config->data;
/* Getting Granular mail_to size */
if(syslog_config)
{
while(syslog_config[s])
s++;
}
/* Allocating the memory for the config. */
os_realloc(syslog_config, (s + 2) * sizeof(SyslogConfig *), syslog_config);
os_calloc(1, sizeof(SyslogConfig), syslog_config[s]);
syslog_config[s + 1] = NULL;
/* Zeroing the elements. */
syslog_config[s]->server = NULL;
syslog_config[s]->rule_id = NULL;
syslog_config[s]->group = NULL;
syslog_config[s]->location = NULL;
syslog_config[s]->level = 0;
syslog_config[s]->port = "514";
syslog_config[s]->format = DEFAULT_CSYSLOG;
/* local 0 facility (16) + severity 4 - warning. --default */
syslog_config[s]->priority = (16 * 8) + 4;
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
else if(strcmp(node[i]->element, xml_syslog_level) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
syslog_config[s]->level = atoi(node[i]->content);
}
else if(strcmp(node[i]->element, xml_syslog_port) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
os_strdup(node[i]->content, syslog_config[s]->port);
}
else if(strcmp(node[i]->element, xml_syslog_server) == 0)
{
os_strdup(node[i]->content, syslog_config[s]->server);
}
else if(strcmp(node[i]->element, xml_syslog_id) == 0)
{
int r_id = 0;
char *str_pt = node[i]->content;
while(*str_pt != '\0')
{
/* We allow spaces in between */
if(*str_pt == ' ')
{
str_pt++;
continue;
}
/* If is digit, we get the value
* and search for the next digit
* available
*/
else if(isdigit((int)*str_pt))
{
int id_i = 0;
r_id = atoi(str_pt);
debug1("%s: DEBUG: Adding '%d' to syslog alerting",
ARGV0, r_id);
if(syslog_config[s]->rule_id)
{
while(syslog_config[s]->rule_id[id_i])
id_i++;
}
os_realloc(syslog_config[s]->rule_id,
(id_i +2) * sizeof(int),
syslog_config[s]->rule_id);
syslog_config[s]->rule_id[id_i + i] = 0;
syslog_config[s]->rule_id[id_i] = r_id;
str_pt = strchr(str_pt, ',');
if(str_pt)
{
str_pt++;
}
else
{
break;
}
}
/* Checking for duplicate commas */
else if(*str_pt == ',')
{
str_pt++;
continue;
}
else
{
break;
}
}
}
else if(strcmp(node[i]->element, xml_syslog_format) == 0)
{
if(strcmp(node[i]->content, "default") == 0)
{
/* Default is full format */
}
else if (strcmp(node[i]->content, "cef") == 0)
{
/* Enable the CEF format */
syslog_config[s]->format = CEF_CSYSLOG;
}
else if (strcmp(node[i]->content, "json") == 0)
{
/* Enable the JSON format */
syslog_config[s]->format = JSON_CSYSLOG;
}
else if (strcmp(node[i]->content, "splunk") == 0)
{
/* Enable the Splunk Key/Value format */
syslog_config[s]->format = SPLUNK_CSYSLOG;
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_syslog_location) == 0)
{
os_calloc(1, sizeof(OSMatch),syslog_config[s]->location);
if(!OSMatch_Compile(node[i]->content,
syslog_config[s]->location, 0))
{
merror(REGEX_COMPILE, ARGV0, node[i]->content,
syslog_config[s]->location->error);
return(-1);
}
}
else if(strcmp(node[i]->element, xml_syslog_group) == 0)
{
os_calloc(1, sizeof(OSMatch),syslog_config[s]->group);
if(!OSMatch_Compile(node[i]->content,
syslog_config[s]->group, 0))
{
merror(REGEX_COMPILE, ARGV0, node[i]->content,
syslog_config[s]->group->error);
return(-1);
}
}
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
/* We must have at least one entry set */
if(!syslog_config[s]->server)
{
merror(XML_INV_CSYSLOG, ARGV0);
return(OS_INVALID);
}
gen_config->data = syslog_config;
return(0);
}
int Read_Syscheck(XML_NODE node, void *configp, void *mailp)
{
int i = 0;
/* XML Definitions */
char *xml_directories = "directories";
char *xml_registry = "windows_registry";
char *xml_time = "frequency";
char *xml_scanday = "scan_day";
char *xml_scantime = "scan_time";
char *xml_ignore = "ignore";
char *xml_registry_ignore = "registry_ignore";
char *xml_auto_ignore = "auto_ignore";
char *xml_alert_new_files = "alert_new_files";
char *xml_disabled = "disabled";
char *xml_scan_on_start = "scan_on_start";
char *xml_prefilter_cmd = "prefilter_cmd";
/* Configuration example
<directories check_all="yes">/etc,/usr/bin</directories>
<directories check_owner="yes" check_group="yes" check_perm="yes"
check_sum="yes">/var/log</directories>
*/
config *syscheck;
syscheck = (config *)configp;
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
/* Getting directories */
else if(strcmp(node[i]->element,xml_directories) == 0)
{
char dirs[OS_MAXSTR];
#ifdef WIN32
ExpandEnvironmentStrings(node[i]->content, dirs, sizeof(dirs) -1);
#else
strncpy(dirs, node[i]->content, sizeof(dirs) -1);
#endif
if(!read_attr(syscheck,
dirs,
node[i]->attributes,
node[i]->values))
{
return(OS_INVALID);
}
}
/* Getting windows registry */
else if(strcmp(node[i]->element,xml_registry) == 0)
{
#ifdef WIN32
if(!read_reg(syscheck, node[i]->content))
{
return(OS_INVALID);
}
#endif
}
/* Getting frequency */
else if(strcmp(node[i]->element,xml_time) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
syscheck->time = atoi(node[i]->content);
}
/* Getting scan time */
else if(strcmp(node[i]->element,xml_scantime) == 0)
{
syscheck->scan_time = OS_IsValidUniqueTime(node[i]->content);
if(!syscheck->scan_time)
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
/* Getting scan day */
else if(strcmp(node[i]->element,xml_scanday) == 0)
{
syscheck->scan_day = OS_IsValidDay(node[i]->content);
if(!syscheck->scan_day)
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
/* Getting if xml_scan_on_start. */
else if(strcmp(node[i]->element, xml_scan_on_start) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
syscheck->scan_on_start = 1;
else if(strcmp(node[i]->content, "no") == 0)
syscheck->scan_on_start = 0;
else
{
merror(XML_VALUEERR,ARGV0, node[i]->element, node[i]->content);
return(OS_INVALID);
}
}
/* Getting if disabled. */
else if(strcmp(node[i]->element,xml_disabled) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
syscheck->disabled = 1;
else if(strcmp(node[i]->content, "no") == 0)
syscheck->disabled = 0;
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
/* Getting file/dir ignore */
else if(strcmp(node[i]->element,xml_ignore) == 0)
{
int ign_size = 0;
/* For Windows, we attempt to expand environment variables. */
#ifdef WIN32
char *new_ig = NULL;
os_calloc(2048, sizeof(char), new_ig);
ExpandEnvironmentStrings(node[i]->content, new_ig, 2047);
free(node[i]->content);
node[i]->content = new_ig;
#endif
/* Adding if regex */
if(node[i]->attributes && node[i]->values)
{
if(node[i]->attributes[0] && node[i]->values[0] &&
(strcmp(node[i]->attributes[0], "type") == 0) &&
(strcmp(node[i]->values[0], "sregex") == 0))
{
OSMatch *mt_pt;
if(!syscheck->ignore_regex)
{
os_calloc(2, sizeof(OSMatch *),syscheck->ignore_regex);
syscheck->ignore_regex[0] = NULL;
syscheck->ignore_regex[1] = NULL;
}
else
{
while(syscheck->ignore_regex[ign_size] != NULL)
ign_size++;
os_realloc(syscheck->ignore_regex,
sizeof(OSMatch *)*(ign_size +2),
syscheck->ignore_regex);
syscheck->ignore_regex[ign_size +1] = NULL;
}
os_calloc(1, sizeof(OSMatch),
syscheck->ignore_regex[ign_size]);
if(!OSMatch_Compile(node[i]->content,
syscheck->ignore_regex[ign_size], 0))
{
mt_pt = (OSMatch *)syscheck->ignore_regex[ign_size];
merror(REGEX_COMPILE, ARGV0, node[i]->content,
mt_pt->error);
return(0);
}
}
else
{
merror(SK_INV_ATTR, ARGV0, node[i]->attributes[0]);
return(OS_INVALID);
}
}
/* Adding if simple entry -- checking for duplicates */
else if(!os_IsStrOnArray(node[i]->content, syscheck->ignore))
{
if(!syscheck->ignore)
{
os_calloc(2, sizeof(char *), syscheck->ignore);
syscheck->ignore[0] = NULL;
syscheck->ignore[1] = NULL;
}
else
{
while(syscheck->ignore[ign_size] != NULL)
ign_size++;
os_realloc(syscheck->ignore,
sizeof(char *)*(ign_size +2),
syscheck->ignore);
syscheck->ignore[ign_size +1] = NULL;
}
os_strdup(node[i]->content,syscheck->ignore[ign_size]);
}
}
/* Getting registry ignore list */
else if(strcmp(node[i]->element,xml_registry_ignore) == 0)
{
#ifdef WIN32
int ign_size = 0;
/* Adding if regex */
if(node[i]->attributes && node[i]->values)
{
if(node[i]->attributes[0] && node[i]->values[0] &&
(strcmp(node[i]->attributes[0], "type") == 0) &&
(strcmp(node[i]->values[0], "sregex") == 0))
{
OSMatch *mt_pt;
if(!syscheck->registry_ignore_regex)
{
os_calloc(2, sizeof(OSMatch *),
syscheck->registry_ignore_regex);
syscheck->registry_ignore_regex[0] = NULL;
syscheck->registry_ignore_regex[1] = NULL;
}
else
{
while(syscheck->registry_ignore_regex[ign_size] !=NULL)
ign_size++;
os_realloc(syscheck->registry_ignore_regex,
sizeof(OSMatch *)*(ign_size +2),
syscheck->registry_ignore_regex);
syscheck->registry_ignore_regex[ign_size +1] = NULL;
}
os_calloc(1, sizeof(OSMatch),
syscheck->registry_ignore_regex[ign_size]);
if(!OSMatch_Compile(node[i]->content,
syscheck->registry_ignore_regex[ign_size], 0))
{
mt_pt = (OSMatch *)
syscheck->registry_ignore_regex[ign_size];
merror(REGEX_COMPILE, ARGV0, node[i]->content,
mt_pt->error);
return(0);
}
}
else
{
merror(SK_INV_ATTR, ARGV0, node[i]->attributes[0]);
return(OS_INVALID);
}
}
/* We do not add duplicated entries */
else if(!os_IsStrOnArray(node[i]->content,
syscheck->registry_ignore))
{
if(!syscheck->registry_ignore)
{
os_calloc(2, sizeof(char *), syscheck->registry_ignore);
syscheck->registry_ignore[0] = NULL;
syscheck->registry_ignore[1] = NULL;
}
else
{
while(syscheck->registry_ignore[ign_size] != NULL)
ign_size++;
os_realloc(syscheck->registry_ignore,
sizeof(char *)*(ign_size +2),
syscheck->registry_ignore);
syscheck->registry_ignore[ign_size +1] = NULL;
}
os_strdup(node[i]->content,syscheck->registry_ignore[ign_size]);
}
#endif
}
else if(strcmp(node[i]->element,xml_auto_ignore) == 0)
{
/* auto_ignore is not read here. */
}
else if(strcmp(node[i]->element,xml_alert_new_files) == 0)
{
/* alert_new_files option is not read here. */
}
else if(strcmp(node[i]->element,xml_prefilter_cmd) == 0)
{
char cmd[OS_MAXSTR];
struct stat statbuf;
#ifdef WIN32
ExpandEnvironmentStrings(node[i]->content, cmd, sizeof(cmd) -1);
#else
strncpy(cmd, node[i]->content, sizeof(cmd)-1);
#endif
if (strlen(cmd) > 0) {
char statcmd[OS_MAXSTR];
char *ix;
strncpy(statcmd, cmd, sizeof(statcmd)-1);
if (NULL != (ix = strchr(statcmd, ' '))) { *ix = '\0'; }
if (stat(statcmd, &statbuf) == 0) {
// More checks needed (perms, owner, etc.)
os_calloc(1, strlen(cmd)+1, syscheck->prefilter_cmd);
strncpy(syscheck->prefilter_cmd, cmd, strlen(cmd));
}
else
{
merror(XML_VALUEERR,ARGV0, node[i]->element, node[i]->content);
return(OS_INVALID);
}
}
}
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
return(0);
}
int Read_Alerts(XML_NODE node, void *configp, void *mailp)
{
int i = 0;
/* XML definitions */
char *xml_email_level = "email_alert_level";
char *xml_log_level = "log_alert_level";
#ifdef GEOIP
/* GeoIP */
char *xml_log_geoip = "use_geoip";
#endif
_Config *Config;
Config = (_Config *)configp;
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
/* Mail notification */
else if(strcmp(node[i]->element, xml_email_level) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
Config->mailbylevel = atoi(node[i]->content);
}
/* Log alerts */
else if(strcmp(node[i]->element, xml_log_level) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
Config->logbylevel = atoi(node[i]->content);
}
#ifdef GEOIP
/* Enable GeoIP */
else if(strcmp(node[i]->element, xml_log_geoip) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{ if(Config) Config->loggeoip = 1;}
else if(strcmp(node[i]->content, "no") == 0)
{if(Config) Config->loggeoip = 0;}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
#endif
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
return(0);
}
/* Read the rootcheck config */
int Read_Rootcheck_Config(const char *cfgfile)
{
OS_XML xml;
#ifdef OSSECHIDS
char *str = NULL;
#endif
/* XML Definitions */
const char *(xml_base_dir[]) = {xml_rootcheck, "base_directory", NULL};
const char *(xml_workdir[]) = {xml_rootcheck, "work_directory", NULL};
const char *(xml_rootkit_files[]) = {xml_rootcheck, "rootkit_files", NULL};
const char *(xml_rootkit_trojans[]) = {xml_rootcheck, "rootkit_trojans", NULL};
const char *(xml_rootkit_unixaudit[]) = {xml_rootcheck, "system_audit", NULL};
const char *(xml_rootkit_winaudit[]) = {xml_rootcheck, "windows_audit", NULL};
const char *(xml_rootkit_winapps[]) = {xml_rootcheck, "windows_apps", NULL};
const char *(xml_rootkit_winmalware[]) = {xml_rootcheck, "windows_malware", NULL};
const char *(xml_scanall[]) = {xml_rootcheck, "scanall", NULL};
const char *(xml_readall[]) = {xml_rootcheck, "readall", NULL};
#ifdef OSSECHIDS
const char *(xml_time[]) = {xml_rootcheck, "frequency", NULL};
#endif
const char *(xml_check_dev[]) = {xml_rootcheck, "check_dev", NULL};
const char *(xml_check_files[]) = {xml_rootcheck, "check_files", NULL};
const char *(xml_check_if[]) = {xml_rootcheck, "check_if", NULL};
const char *(xml_check_pids[]) = {xml_rootcheck, "check_pids", NULL};
const char *(xml_check_ports[]) = {xml_rootcheck, "check_ports", NULL};
const char *(xml_check_sys[]) = {xml_rootcheck, "check_sys", NULL};
const char *(xml_check_trojans[]) = {xml_rootcheck, "check_trojans", NULL};
#ifdef WIN32
const char *(xml_check_winapps[]) = {xml_rootcheck, "check_winapps", NULL};
const char *(xml_check_winaudit[]) = {xml_rootcheck, "check_winaudit", NULL};
const char *(xml_check_winmalware[]) = {xml_rootcheck, "check_winmalware", NULL};
#else
const char *(xml_check_unixaudit[]) = {xml_rootcheck, "check_unixaudit", NULL};
#endif
#ifdef OSSECHIDS
/* :) */
xml_time[2] = NULL;
#endif
if (OS_ReadXML(cfgfile, &xml) < 0) {
merror("config_op: XML error: %s", xml.err);
return (OS_INVALID);
}
if (!OS_RootElementExist(&xml, xml_rootcheck)) {
OS_ClearXML(&xml);
merror("%s: Rootcheck configuration not found. ", ARGV0);
return (-1);
}
#ifdef OSSECHIDS
/* time */
str = OS_GetOneContentforElement(&xml, xml_time);
if (str) {
if (!OS_StrIsNum(str)) {
merror("Invalid frequency time '%s' for the rootkit "
"detection (must be int).", str);
return (OS_INVALID);
}
rootcheck.time = atoi(str);
free(str);
str = NULL;
}
#endif /* OSSECHIDS */
/* Scan all flags */
if (!rootcheck.scanall) {
rootcheck.scanall = eval_bool2(OS_GetOneContentforElement(&xml, xml_scanall), 0);
}
/* Read all flags */
if (!rootcheck.readall) {
rootcheck.readall = eval_bool2(OS_GetOneContentforElement(&xml, xml_readall), 0);
}
/* Get work directory */
if (!rootcheck.workdir) {
rootcheck.workdir = OS_GetOneContentforElement(&xml, xml_workdir);
}
rootcheck.rootkit_files = OS_GetOneContentforElement
(&xml, xml_rootkit_files);
rootcheck.rootkit_trojans = OS_GetOneContentforElement
(&xml, xml_rootkit_trojans);
rootcheck.unixaudit = OS_GetContents
(&xml, xml_rootkit_unixaudit);
rootcheck.winaudit = OS_GetOneContentforElement
(&xml, xml_rootkit_winaudit);
rootcheck.winapps = OS_GetOneContentforElement
(&xml, xml_rootkit_winapps);
rootcheck.winmalware = OS_GetOneContentforElement
(&xml, xml_rootkit_winmalware);
rootcheck.basedir = OS_GetOneContentforElement(&xml, xml_base_dir);
rootcheck.checks.rc_dev = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_dev), 1);
rootcheck.checks.rc_files = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_files), 1);
rootcheck.checks.rc_if = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_if), 1);
rootcheck.checks.rc_pids = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_pids), 1);
rootcheck.checks.rc_ports = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_ports), 1);
rootcheck.checks.rc_sys = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_sys), 1);
rootcheck.checks.rc_trojans = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_trojans), 1);
#ifdef WIN32
rootcheck.checks.rc_winapps = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_winapps), 1);
rootcheck.checks.rc_winaudit = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_winaudit), 1);
rootcheck.checks.rc_winmalware = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_winmalware), 1);
#else
rootcheck.checks.rc_unixaudit = eval_bool2(OS_GetOneContentforElement(&xml, xml_check_unixaudit), 1);
#endif /* WIN32 */
OS_ClearXML(&xml);
return (0);
}
/* Rules_OP_ReadRules, v0.3, 2005/03/21
* Read the log rules.
* v0.3: Fixed many memory problems.
*/
int OS_ReadXMLRules(char *rulefile,
void *(*ruleact_function)(RuleInfo *rule, void *data),
void *data)
{
OS_XML xml;
XML_NODE node = NULL;
/** XML variables **/
/* These are the available options for the rule configuration */
char *xml_group = "group";
char *xml_rule = "rule";
char *xml_regex = "regex";
char *xml_match = "match";
char *xml_decoded = "decoded_as";
char *xml_category = "category";
char *xml_cve = "cve";
char *xml_info = "info";
char *xml_day_time = "time";
char *xml_week_day = "weekday";
char *xml_comment = "description";
char *xml_ignore = "ignore";
char *xml_check_if_ignored = "check_if_ignored";
char *xml_srcip = "srcip";
char *xml_srcport = "srcport";
char *xml_dstip = "dstip";
char *xml_dstport = "dstport";
char *xml_user = "******";
char *xml_url = "url";
char *xml_id = "id";
char *xml_data = "extra_data";
char *xml_hostname = "hostname";
char *xml_program_name = "program_name";
char *xml_status = "status";
char *xml_action = "action";
char *xml_compiled = "compiled_rule";
char *xml_if_sid = "if_sid";
char *xml_if_group = "if_group";
char *xml_if_level = "if_level";
char *xml_fts = "if_fts";
char *xml_if_matched_regex = "if_matched_regex";
char *xml_if_matched_group = "if_matched_group";
char *xml_if_matched_sid = "if_matched_sid";
char *xml_same_source_ip = "same_source_ip";
char *xml_same_src_port = "same_src_port";
char *xml_same_dst_port = "same_dst_port";
char *xml_same_user = "******";
char *xml_same_location = "same_location";
char *xml_same_id = "same_id";
char *xml_dodiff = "check_diff";
char *xml_different_url = "different_url";
char *xml_notsame_source_ip = "not_same_source_ip";
char *xml_notsame_user = "******";
char *xml_notsame_agent = "not_same_agent";
char *xml_notsame_id = "not_same_id";
char *xml_options = "options";
char *rulepath;
int i;
/* If no directory in the rulefile add the default */
if((strchr(rulefile, '/')) == NULL)
{
/* Building the rule file name + path */
i = strlen(RULEPATH) + strlen(rulefile) + 2;
rulepath = (char *)calloc(i,sizeof(char));
if(!rulepath)
{
ErrorExit(MEM_ERROR,ARGV0);
}
snprintf(rulepath,i,"%s/%s",RULEPATH,rulefile);
}
else
{
os_strdup(rulefile, rulepath);
debug1("%s is the rulefile", rulefile);
debug1("Not modifing the rule path");
}
/* Reading the XML */
if(OS_ReadXML(rulepath,&xml) < 0)
{
merror(XML_ERROR, __local_name, rulepath, xml.err, xml.err_line);
free(rulepath);
return(-1);
}
/* Debug wrapper */
debug1("%s: DEBUG: read xml for rule '%s'.", __local_name, rulepath);
/* Applying any variable found */
if(OS_ApplyVariables(&xml) != 0)
{
merror(XML_ERROR_VAR, __local_name, rulepath, xml.err);
return(-1);
}
/* Debug wrapper */
debug1("%s: DEBUG: XML Variables applied.", __local_name);
/* Getting the root elements */
node = OS_GetElementsbyNode(&xml, NULL);
if(!node)
{
merror(CONFIG_ERROR, __local_name, rulepath);
OS_ClearXML(&xml);
return(-1);
}
/* Zeroing the rule memory -- not used anymore */
free(rulepath);
/* Checking if there is any invalid global option */
i = 0;
while(node[i])
{
if(node[i]->element)
{
/* Verifying group */
if(strcasecmp(node[i]->element,xml_group) != 0)
{
merror(RL_INV_ROOT, __local_name, node[i]->element);
OS_ClearXML(&xml);
return(-1);
}
/* Checking group attribute -- only name is allowed */
if((!node[i]->attributes) || (!node[i]->values)||
(!node[i]->values[0]) || (!node[i]->attributes[0]) ||
(strcasecmp(node[i]->attributes[0],"name") != 0) ||
(node[i]->attributes[1]))
{
merror(RL_INV_ROOT, __local_name, node[i]->element);
OS_ClearXML(&xml);
return(-1);
}
}
else
{
merror(XML_READ_ERROR, __local_name);
OS_ClearXML(&xml);
return(-1);
}
i++;
}
/* Getting the rules now */
i = 0;
while(node[i])
{
int j = 0;
XML_NODE rule = NULL;
/* Getting all rules for a global group */
rule = OS_GetElementsbyNode(&xml,node[i]);
if(rule == NULL)
{
i++;
continue;
}
/* Looping on the rules node */
while(rule[j])
{
/* Rules options */
int k = 0;
char *regex = NULL, *match = NULL, *url = NULL,
*if_matched_regex = NULL, *if_matched_group = NULL,
*user = NULL, *id = NULL, *srcport = NULL,
*dstport = NULL, *status = NULL, *hostname = NULL,
*extra_data = NULL, *program_name = NULL;
RuleInfo *config_ruleinfo = NULL;
XML_NODE rule_opt = NULL;
/* Checking if the rule element is correct */
if((!rule[j]->element)||
(strcasecmp(rule[j]->element,xml_rule) != 0))
{
merror(RL_INV_RULE, __local_name, node[i]->element);
OS_ClearXML(&xml);
return(-1);
}
/* Checking for the attributes of the rule */
if((!rule[j]->attributes) || (!rule[j]->values))
{
merror(RL_INV_RULE, __local_name, rulefile);
OS_ClearXML(&xml);
return(-1);
}
/* Attribute block */
config_ruleinfo = _OS_AllocateRule();
if(_OS_GetRulesAttributes(rule[j]->attributes, rule[j]->values,
config_ruleinfo) < 0)
{
merror(RL_INV_ATTR, __local_name, rulefile);
OS_ClearXML(&xml);
return(-1);
}
/* We must have an id or level */
if((config_ruleinfo->sigid == -1)||(config_ruleinfo->level == -1))
{
merror(RL_INV_ATTR, __local_name, rulefile);
OS_ClearXML(&xml);
return(-1);
}
/* Here we can assign the group name to the rule.
* The level is correct so the rule is probably going to
* be fine
*/
os_strdup(node[i]->values[0], config_ruleinfo->group);
/* Getting rules options */
rule_opt = OS_GetElementsbyNode(&xml, rule[j]);
if(rule_opt == NULL)
{
merror(RL_NO_OPT, __local_name, config_ruleinfo->sigid);
OS_ClearXML(&xml);
return(-1);
}
/* Reading the whole rule block */
while(rule_opt[k])
{
if((!rule_opt[k]->element)||(!rule_opt[k]->content))
{
break;
}
else if(strcasecmp(rule_opt[k]->element,xml_regex)==0)
{
regex =
os_LoadString(regex,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_match)==0)
{
match =
os_LoadString(match,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element, xml_decoded) == 0)
{
}
else if(strcasecmp(rule_opt[k]->element,xml_info) == 0)
{
config_ruleinfo->info=
os_LoadString(config_ruleinfo->info,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_day_time) == 0)
{
config_ruleinfo->day_time =
OS_IsValidTime(rule_opt[k]->content);
if(!config_ruleinfo->day_time)
{
merror(INVALID_CONFIG, __local_name,
rule_opt[k]->element,
rule_opt[k]->content);
return(-1);
}
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_week_day) == 0)
{
config_ruleinfo->week_day =
OS_IsValidDay(rule_opt[k]->content);
if(!config_ruleinfo->week_day)
{
merror(INVALID_CONFIG, __local_name,
rule_opt[k]->element,
rule_opt[k]->content);
return(-1);
}
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_group) == 0)
{
config_ruleinfo->group =
os_LoadString(config_ruleinfo->group,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_cve) == 0)
{
config_ruleinfo->cve=
os_LoadString(config_ruleinfo->cve,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_comment) == 0)
{
char *newline;
newline = strchr(rule_opt[k]->content, '\n');
if(newline)
{
*newline = ' ';
}
config_ruleinfo->comment=
os_LoadString(config_ruleinfo->comment,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_srcip)==0)
{
int ip_s = 0;
/* Getting size of source ip list */
while(config_ruleinfo->srcip &&
config_ruleinfo->srcip[ip_s])
{
ip_s++;
}
config_ruleinfo->srcip =
realloc(config_ruleinfo->srcip,
(ip_s + 2) * sizeof(os_ip *));
/* Allocating memory for the individual entries */
os_calloc(1, sizeof(os_ip),
config_ruleinfo->srcip[ip_s]);
config_ruleinfo->srcip[ip_s +1] = NULL;
/* Checking if the ip is valid */
if(!OS_IsValidIP(rule_opt[k]->content,
config_ruleinfo->srcip[ip_s]))
{
merror(INVALID_IP, __local_name, rule_opt[k]->content);
return(-1);
}
if(!(config_ruleinfo->alert_opts & DO_PACKETINFO))
config_ruleinfo->alert_opts |= DO_PACKETINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_dstip)==0)
{
int ip_s = 0;
/* Getting size of source ip list */
while(config_ruleinfo->dstip &&
config_ruleinfo->dstip[ip_s])
{
ip_s++;
}
config_ruleinfo->dstip =
realloc(config_ruleinfo->dstip,
(ip_s + 2) * sizeof(os_ip *));
/* Allocating memory for the individual entries */
os_calloc(1, sizeof(os_ip),
config_ruleinfo->dstip[ip_s]);
config_ruleinfo->dstip[ip_s +1] = NULL;
/* Checking if the ip is valid */
if(!OS_IsValidIP(rule_opt[k]->content,
config_ruleinfo->dstip[ip_s]))
{
merror(INVALID_IP, __local_name, rule_opt[k]->content);
return(-1);
}
if(!(config_ruleinfo->alert_opts & DO_PACKETINFO))
config_ruleinfo->alert_opts |= DO_PACKETINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_user) == 0)
{
user = os_LoadString(user, rule_opt[k]->content);
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_id) == 0)
{
id = os_LoadString(id, rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_srcport) == 0)
{
srcport = os_LoadString(srcport, rule_opt[k]->content);
if(!(config_ruleinfo->alert_opts & DO_PACKETINFO))
config_ruleinfo->alert_opts |= DO_PACKETINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_dstport) == 0)
{
dstport = os_LoadString(dstport, rule_opt[k]->content);
if(!(config_ruleinfo->alert_opts & DO_PACKETINFO))
config_ruleinfo->alert_opts |= DO_PACKETINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_status)==0)
{
status = os_LoadString(status, rule_opt[k]->content);
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_hostname) == 0)
{
hostname = os_LoadString(hostname, rule_opt[k]->content);
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,xml_data)==0)
{
extra_data = os_LoadString(extra_data, rule_opt[k]->content);
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,
xml_program_name)==0)
{
program_name = os_LoadString(program_name,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_action) == 0)
{
config_ruleinfo->action =
os_LoadString(config_ruleinfo->action,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_url) == 0)
{
url= os_LoadString(url, rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element, xml_compiled)==0)
{
/* Not using this in here. */
}
/* We allow these categories so far */
else if(strcasecmp(rule_opt[k]->element, xml_category)==0)
{
if(strcmp(rule_opt[k]->content, "firewall") == 0)
{
config_ruleinfo->category = FIREWALL;
}
else if(strcmp(rule_opt[k]->content, "ids") == 0)
{
config_ruleinfo->category = IDS;
}
else if(strcmp(rule_opt[k]->content, "syslog") == 0)
{
config_ruleinfo->category = SYSLOG;
}
else if(strcmp(rule_opt[k]->content, "web-log") == 0)
{
config_ruleinfo->category = WEBLOG;
}
else if(strcmp(rule_opt[k]->content, "squid") == 0)
{
config_ruleinfo->category = SQUID;
}
else if(strcmp(rule_opt[k]->content,"windows") == 0)
{
config_ruleinfo->category = WINDOWS;
}
else if(strcmp(rule_opt[k]->content,"ossec") == 0)
{
config_ruleinfo->category = OSSEC_RL;
}
else
{
merror(INVALID_CAT, __local_name, rule_opt[k]->content);
return(-1);
}
}
else if(strcasecmp(rule_opt[k]->element,xml_if_sid)==0)
{
config_ruleinfo->if_sid=
os_LoadString(config_ruleinfo->if_sid,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_if_level)==0)
{
if(!OS_StrIsNum(rule_opt[k]->content))
{
merror(INVALID_CONFIG, __local_name,
xml_if_level,
rule_opt[k]->content);
return(-1);
}
config_ruleinfo->if_level=
os_LoadString(config_ruleinfo->if_level,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,xml_if_group)==0)
{
config_ruleinfo->if_group=
os_LoadString(config_ruleinfo->if_group,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,
xml_if_matched_regex) == 0)
{
config_ruleinfo->context = 1;
if_matched_regex=
os_LoadString(if_matched_regex,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,
xml_if_matched_group) == 0)
{
config_ruleinfo->context = 1;
if_matched_group=
os_LoadString(if_matched_group,
rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,
xml_if_matched_sid) == 0)
{
config_ruleinfo->context = 1;
if(!OS_StrIsNum(rule_opt[k]->content))
{
merror(INVALID_CONFIG, __local_name,
rule_opt[k]->element,
rule_opt[k]->content);
return(-1);
}
config_ruleinfo->if_matched_sid =
atoi(rule_opt[k]->content);
}
else if(strcasecmp(rule_opt[k]->element,
xml_same_source_ip)==0)
{
config_ruleinfo->context_opts|= SAME_SRCIP;
}
else if(strcasecmp(rule_opt[k]->element,
xml_same_src_port)==0)
{
config_ruleinfo->context_opts|= SAME_SRCPORT;
if(!(config_ruleinfo->alert_opts & SAME_EXTRAINFO))
config_ruleinfo->alert_opts |= SAME_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,
xml_dodiff)==0)
{
config_ruleinfo->context++;
config_ruleinfo->context_opts|= SAME_DODIFF;
if(!(config_ruleinfo->alert_opts & DO_EXTRAINFO))
{
config_ruleinfo->alert_opts |= DO_EXTRAINFO;
}
}
else if(strcasecmp(rule_opt[k]->element,
xml_same_dst_port) == 0)
{
config_ruleinfo->context_opts|= SAME_DSTPORT;
if(!(config_ruleinfo->alert_opts & SAME_EXTRAINFO))
config_ruleinfo->alert_opts |= SAME_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,
xml_notsame_source_ip)==0)
{
config_ruleinfo->context_opts&= NOT_SAME_SRCIP;
}
else if(strcmp(rule_opt[k]->element, xml_same_id) == 0)
{
config_ruleinfo->context_opts|= SAME_ID;
}
else if(strcmp(rule_opt[k]->element,
xml_different_url) == 0)
{
config_ruleinfo->context_opts|= DIFFERENT_URL;
if(!(config_ruleinfo->alert_opts & SAME_EXTRAINFO))
config_ruleinfo->alert_opts |= SAME_EXTRAINFO;
}
else if(strcmp(rule_opt[k]->element,xml_notsame_id) == 0)
{
config_ruleinfo->context_opts&= NOT_SAME_ID;
}
else if(strcasecmp(rule_opt[k]->element,
xml_fts) == 0)
{
config_ruleinfo->alert_opts |= DO_FTS;
}
else if(strcasecmp(rule_opt[k]->element,
xml_same_user)==0)
{
config_ruleinfo->context_opts|= SAME_USER;
if(!(config_ruleinfo->alert_opts & SAME_EXTRAINFO))
config_ruleinfo->alert_opts |= SAME_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,
xml_notsame_user)==0)
{
config_ruleinfo->context_opts&= NOT_SAME_USER;
}
else if(strcasecmp(rule_opt[k]->element,
xml_same_location)==0)
{
config_ruleinfo->context_opts|= SAME_LOCATION;
if(!(config_ruleinfo->alert_opts & SAME_EXTRAINFO))
config_ruleinfo->alert_opts |= SAME_EXTRAINFO;
}
else if(strcasecmp(rule_opt[k]->element,
xml_notsame_agent)==0)
{
config_ruleinfo->context_opts&= NOT_SAME_AGENT;
}
else if(strcasecmp(rule_opt[k]->element,
xml_options) == 0)
{
if(strcmp("alert_by_email",
rule_opt[k]->content) == 0)
{
if(!(config_ruleinfo->alert_opts & DO_MAILALERT))
{
config_ruleinfo->alert_opts|= DO_MAILALERT;
}
}
else if(strcmp("no_email_alert",
rule_opt[k]->content) == 0)
{
if(config_ruleinfo->alert_opts & DO_MAILALERT)
{
config_ruleinfo->alert_opts&=0xfff-DO_MAILALERT;
}
}
else if(strcmp("log_alert",
rule_opt[k]->content) == 0)
{
if(!(config_ruleinfo->alert_opts & DO_LOGALERT))
{
config_ruleinfo->alert_opts|= DO_LOGALERT;
}
}
else if(strcmp("no_log", rule_opt[k]->content) == 0)
{
if(config_ruleinfo->alert_opts & DO_LOGALERT)
{
config_ruleinfo->alert_opts &=0xfff-DO_LOGALERT;
}
}
else if(strcmp("no_ar", rule_opt[k]->content) == 0)
{
if(!(config_ruleinfo->alert_opts & NO_AR))
{
config_ruleinfo->alert_opts|= NO_AR;
}
}
else
{
merror(XML_VALUEERR, __local_name, xml_options,
rule_opt[k]->content);
merror(INVALID_ELEMENT, __local_name,
rule_opt[k]->element,
rule_opt[k]->content);
OS_ClearXML(&xml);
return(-1);
}
}
else if(strcasecmp(rule_opt[k]->element,
xml_ignore) == 0)
{
if(strstr(rule_opt[k]->content, "user") != NULL)
{
config_ruleinfo->ignore|=FTS_USER;
}
if(strstr(rule_opt[k]->content, "srcip") != NULL)
{
config_ruleinfo->ignore|=FTS_SRCIP;
}
if(strstr(rule_opt[k]->content, "dstip") != NULL)
{
config_ruleinfo->ignore|=FTS_DSTIP;
}
if(strstr(rule_opt[k]->content, "id") != NULL)
{
config_ruleinfo->ignore|=FTS_ID;
}
if(strstr(rule_opt[k]->content,"location")!= NULL)
{
config_ruleinfo->ignore|=FTS_LOCATION;
}
if(strstr(rule_opt[k]->content,"data")!= NULL)
{
config_ruleinfo->ignore|=FTS_DATA;
}
if(strstr(rule_opt[k]->content, "name") != NULL)
{
config_ruleinfo->ignore|=FTS_NAME;
}
if(!config_ruleinfo->ignore)
{
merror(INVALID_ELEMENT, __local_name,
rule_opt[k]->element,
rule_opt[k]->content);
return(-1);
}
}
else if(strcasecmp(rule_opt[k]->element,
xml_check_if_ignored) == 0)
{
if(strstr(rule_opt[k]->content, "user") != NULL)
{
config_ruleinfo->ckignore|=FTS_USER;
}
if(strstr(rule_opt[k]->content, "srcip") != NULL)
{
config_ruleinfo->ckignore|=FTS_SRCIP;
}
if(strstr(rule_opt[k]->content, "dstip") != NULL)
{
config_ruleinfo->ckignore|=FTS_DSTIP;
}
if(strstr(rule_opt[k]->content, "id") != NULL)
{
config_ruleinfo->ckignore|=FTS_ID;
}
if(strstr(rule_opt[k]->content,"location")!= NULL)
{
config_ruleinfo->ckignore|=FTS_LOCATION;
}
if(strstr(rule_opt[k]->content,"data")!= NULL)
{
config_ruleinfo->ignore|=FTS_DATA;
}
if(strstr(rule_opt[k]->content, "name") != NULL)
{
config_ruleinfo->ckignore|=FTS_NAME;
}
if(!config_ruleinfo->ckignore)
{
merror(INVALID_ELEMENT, __local_name,
rule_opt[k]->element,
rule_opt[k]->content);
return(-1);
}
}
/* XXX As new features are added into ../analysisd/rules.c
* This code needs to be updated to match, but is out of date
* it's become a nightmare to correct with out just make the
* problem for someone later.
*
* This hack will allow any crap xml to pass without an
* error. The correct fix is to refactor the code so that
* ../analysisd/rules* and this code are not duplicates
*
else
{
merror(XML_INVELEM, __local_name, rule_opt[k]->element);
OS_ClearXML(&xml);
return(-1);
}
*/
k++;
}
/* Checking for a valid use of frequency */
if((config_ruleinfo->context_opts ||
config_ruleinfo->frequency) &&
!config_ruleinfo->context)
{
merror("%s: Invalid use of frequency/context options. "
"Missing if_matched on rule '%d'.",
__local_name, config_ruleinfo->sigid);
OS_ClearXML(&xml);
return(-1);
}
/* If if_matched_group we must have a if_sid or if_group */
if(if_matched_group)
{
if(!config_ruleinfo->if_sid && !config_ruleinfo->if_group)
{
os_strdup(if_matched_group, config_ruleinfo->if_group);
}
}
/* If_matched_sid, we need to get the if_sid */
if(config_ruleinfo->if_matched_sid &&
!config_ruleinfo->if_sid &&
!config_ruleinfo->if_group)
{
os_calloc(16, sizeof(char), config_ruleinfo->if_sid);
snprintf(config_ruleinfo->if_sid, 15, "%d",
config_ruleinfo->if_matched_sid);
}
/* Checking the regexes */
if(regex)
{
os_calloc(1, sizeof(OSRegex), config_ruleinfo->regex);
if(!OSRegex_Compile(regex, config_ruleinfo->regex, 0))
{
merror(REGEX_COMPILE, __local_name, regex,
config_ruleinfo->regex->error);
return(-1);
}
free(regex);
regex = NULL;
}
/* Adding in match */
if(match)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->match);
if(!OSMatch_Compile(match, config_ruleinfo->match, 0))
{
merror(REGEX_COMPILE, __local_name, match,
config_ruleinfo->match->error);
return(-1);
}
free(match);
match = NULL;
}
/* Adding in id */
if(id)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->id);
if(!OSMatch_Compile(id, config_ruleinfo->id, 0))
{
merror(REGEX_COMPILE, __local_name, id,
config_ruleinfo->id->error);
return(-1);
}
free(id);
id = NULL;
}
/* Adding srcport */
if(srcport)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->srcport);
if(!OSMatch_Compile(srcport, config_ruleinfo->srcport, 0))
{
merror(REGEX_COMPILE, __local_name, srcport,
config_ruleinfo->id->error);
return(-1);
}
free(srcport);
srcport = NULL;
}
/* Adding dstport */
if(dstport)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->dstport);
if(!OSMatch_Compile(dstport, config_ruleinfo->dstport, 0))
{
merror(REGEX_COMPILE, __local_name, dstport,
config_ruleinfo->id->error);
return(-1);
}
free(dstport);
dstport = NULL;
}
/* Adding in status */
if(status)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->status);
if(!OSMatch_Compile(status, config_ruleinfo->status, 0))
{
merror(REGEX_COMPILE, __local_name, status,
config_ruleinfo->status->error);
return(-1);
}
free(status);
status = NULL;
}
/* Adding in hostname */
if(hostname)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->hostname);
if(!OSMatch_Compile(hostname, config_ruleinfo->hostname,0))
{
merror(REGEX_COMPILE, __local_name, hostname,
config_ruleinfo->hostname->error);
return(-1);
}
free(hostname);
hostname = NULL;
}
/* Adding extra data */
if(extra_data)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->extra_data);
if(!OSMatch_Compile(extra_data,
config_ruleinfo->extra_data, 0))
{
merror(REGEX_COMPILE, __local_name, extra_data,
config_ruleinfo->extra_data->error);
return(-1);
}
free(extra_data);
extra_data = NULL;
}
/* Adding in program name */
if(program_name)
{
os_calloc(1,sizeof(OSMatch),config_ruleinfo->program_name);
if(!OSMatch_Compile(program_name,
config_ruleinfo->program_name,0))
{
merror(REGEX_COMPILE, __local_name, program_name,
config_ruleinfo->program_name->error);
return(-1);
}
free(program_name);
program_name = NULL;
}
/* Adding in user */
if(user)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->user);
if(!OSMatch_Compile(user, config_ruleinfo->user, 0))
{
merror(REGEX_COMPILE, __local_name, user,
config_ruleinfo->user->error);
return(-1);
}
free(user);
user = NULL;
}
/* Adding in url */
if(url)
{
os_calloc(1, sizeof(OSMatch), config_ruleinfo->url);
if(!OSMatch_Compile(url, config_ruleinfo->url, 0))
{
merror(REGEX_COMPILE, __local_name, url,
config_ruleinfo->url->error);
return(-1);
}
free(url);
url = NULL;
}
/* Adding matched_group */
if(if_matched_group)
{
os_calloc(1,sizeof(OSMatch),config_ruleinfo->if_matched_group);
if(!OSMatch_Compile(if_matched_group,
config_ruleinfo->if_matched_group,0))
{
merror(REGEX_COMPILE, __local_name, if_matched_group,
config_ruleinfo->if_matched_group->error);
return(-1);
}
free(if_matched_group);
if_matched_group = NULL;
}
/* Adding matched_regex */
if(if_matched_regex)
{
os_calloc(1, sizeof(OSRegex),
config_ruleinfo->if_matched_regex);
if(!OSRegex_Compile(if_matched_regex,
config_ruleinfo->if_matched_regex, 0))
{
merror(REGEX_COMPILE, __local_name, if_matched_regex,
config_ruleinfo->if_matched_regex->error);
return(-1);
}
free(if_matched_regex);
if_matched_regex = NULL;
}
/* Calling the function provided. */
ruleact_function(config_ruleinfo, data);
j++; /* next rule */
} /* while(rule[j]) */
OS_ClearNode(rule);
i++;
} /* while (node[i]) */
/* Cleaning global node */
OS_ClearNode(node);
OS_ClearXML(&xml);
/* Done over here */
return(0);
}
/** int _OS_GetRulesAttributes
* Reads the rules attributes and assign them.
*/
int _OS_GetRulesAttributes(char **attributes, char **values,
RuleInfo *ruleinfo_pt)
{
int k = 0;
char *xml_id = "id";
char *xml_level = "level";
char *xml_maxsize = "maxsize";
char *xml_timeframe = "timeframe";
char *xml_frequency = "frequency";
char *xml_accuracy = "accuracy";
char *xml_noalert = "noalert";
char *xml_ignore_time = "ignore";
char *xml_overwrite = "overwrite";
/* Getting attributes */
while(attributes[k])
{
if(!values[k])
{
merror(RL_EMPTY_ATTR, __local_name, attributes[k]);
return(-1);
}
/* Getting rule Id */
else if(strcasecmp(attributes[k], xml_id) == 0)
{
if(OS_StrIsNum(values[k]) && (strlen(values[k]) <= 6 ))
{
ruleinfo_pt->sigid = atoi(values[k]);
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
/* Getting level */
else if(strcasecmp(attributes[k],xml_level) == 0)
{
if(OS_StrIsNum(values[k]) && (strlen(values[k]) <= 3))
{
ruleinfo_pt->level = atoi(values[k]);
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
/* Getting maxsize */
else if(strcasecmp(attributes[k],xml_maxsize) == 0)
{
if(OS_StrIsNum(values[k]) && (strlen(values[k]) <= 4))
{
ruleinfo_pt->maxsize = atoi(values[k]);
/* adding EXTRAINFO options */
if(ruleinfo_pt->maxsize > 0 &&
!(ruleinfo_pt->alert_opts & DO_EXTRAINFO))
{
ruleinfo_pt->alert_opts |= DO_EXTRAINFO;
}
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
/* Getting timeframe */
else if(strcasecmp(attributes[k],xml_timeframe) == 0)
{
if(OS_StrIsNum(values[k]) && (strlen(values[k]) <= 5))
{
ruleinfo_pt->timeframe = atoi(values[k]);
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
/* Getting frequency */
else if(strcasecmp(attributes[k],xml_frequency) == 0)
{
if(OS_StrIsNum(values[k]) && (strlen(values[k]) <= 4))
{
ruleinfo_pt->frequency = atoi(values[k]);
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
/* Rule accuracy */
else if(strcasecmp(attributes[k],xml_accuracy) == 0)
{
merror("%s: XXX: Use of 'accuracy' isn't supported. Ignoring.",
__local_name);
}
/* Rule ignore_time */
else if(strcasecmp(attributes[k],xml_ignore_time) == 0)
{
if(OS_StrIsNum(values[k]) && (strlen(values[k]) <= 4))
{
ruleinfo_pt->ignore_time = atoi(values[k]);
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
/* Rule noalert */
else if(strcasecmp(attributes[k],xml_noalert) == 0)
{
ruleinfo_pt->alert_opts |= NO_ALERT;
}
else if(strcasecmp(attributes[k], xml_overwrite) == 0)
{
if(strcmp(values[k], "yes") == 0)
{
ruleinfo_pt->alert_opts |= DO_OVERWRITE;
}
else if(strcmp(values[k], "no") == 0)
{
}
else
{
merror(XML_VALUEERR,__local_name, attributes[k], values[k]);
return(-1);
}
}
else
{
merror(XML_INVELEM, __local_name, attributes[k]);
return(-1);
}
k++;
}
return(0);
}
int Read_EmailAlerts(XML_NODE node, void *configp, void *mailp)
{
int i = 0;
int granto_size = 1;
/* XML definitions */
char *xml_email_to = "email_to";
char *xml_email_format = "format";
char *xml_email_level = "level";
char *xml_email_id = "rule_id";
char *xml_email_group = "group";
char *xml_email_location = "event_location";
char *xml_email_donotdelay = "do_not_delay";
char *xml_email_donotgroup = "do_not_group";
MailConfig *Mail;
Mail = (MailConfig *)mailp;
if(!Mail)
{
return(0);
}
/* Getting Granular mail_to size */
if(Mail && Mail->gran_to)
{
char **ww;
ww = Mail->gran_to;
while(*ww != NULL)
{
ww++;
granto_size++;
}
}
if(Mail)
{
os_realloc(Mail->gran_to,
sizeof(char *)*(granto_size +1), Mail->gran_to);
os_realloc(Mail->gran_id,
sizeof(int *)*(granto_size +1), Mail->gran_id);
os_realloc(Mail->gran_level,
sizeof(int)*(granto_size +1), Mail->gran_level);
os_realloc(Mail->gran_set,
sizeof(int)*(granto_size +1), Mail->gran_set);
os_realloc(Mail->gran_format,
sizeof(int)*(granto_size +1), Mail->gran_format);
os_realloc(Mail->gran_location,
sizeof(OSMatch)*(granto_size +1), Mail->gran_location);
os_realloc(Mail->gran_group,
sizeof(OSMatch)*(granto_size +1), Mail->gran_group);
Mail->gran_to[granto_size -1] = NULL;
Mail->gran_to[granto_size] = NULL;
Mail->gran_id[granto_size -1] = NULL;
Mail->gran_id[granto_size] = NULL;
Mail->gran_location[granto_size -1] = NULL;
Mail->gran_location[granto_size] = NULL;
Mail->gran_group[granto_size -1] = NULL;
Mail->gran_group[granto_size] = NULL;
Mail->gran_level[granto_size -1] = 0;
Mail->gran_level[granto_size] = 0;
Mail->gran_format[granto_size -1] = FULL_FORMAT;
Mail->gran_format[granto_size] = FULL_FORMAT;
Mail->gran_set[granto_size -1] = 0;
Mail->gran_set[granto_size] = 0;
}
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
/* Mail notification */
else if(strcmp(node[i]->element, xml_email_level) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
Mail->gran_level[granto_size -1] = atoi(node[i]->content);
}
else if(strcmp(node[i]->element, xml_email_to) == 0)
{
os_strdup(node[i]->content, Mail->gran_to[granto_size -1]);
}
else if(strcmp(node[i]->element, xml_email_id) == 0)
{
int r_id = 0;
char *str_pt = node[i]->content;
while(*str_pt != '\0')
{
/* We allow spaces in between */
if(*str_pt == ' ')
{
str_pt++;
continue;
}
/* If is digit, we get the value
* and search for the next digit
* available
*/
else if(isdigit((int)*str_pt))
{
int id_i = 0;
r_id = atoi(str_pt);
debug1("%s: DEBUG: Adding '%d' to granular e-mail",
ARGV0, r_id);
if(!Mail->gran_id[granto_size -1])
{
os_calloc(2,sizeof(int),Mail->gran_id[granto_size -1]);
Mail->gran_id[granto_size -1][0] = 0;
Mail->gran_id[granto_size -1][1] = 0;
}
else
{
while(Mail->gran_id[granto_size -1][id_i] != 0)
{
id_i++;
}
os_realloc(Mail->gran_id[granto_size -1],
(id_i +2) * sizeof(int),
Mail->gran_id[granto_size -1]);
Mail->gran_id[granto_size -1][id_i +1] = 0;
}
Mail->gran_id[granto_size -1][id_i] = r_id;
str_pt = strchr(str_pt, ',');
if(str_pt)
{
str_pt++;
}
else
{
break;
}
}
/* Checking for duplicate commas */
else if(*str_pt == ',')
{
str_pt++;
continue;
}
else
{
break;
}
}
}
else if(strcmp(node[i]->element, xml_email_format) == 0)
{
if(strcmp(node[i]->content, "sms") == 0)
{
Mail->gran_format[granto_size -1] = SMS_FORMAT;
}
else if(strcmp(node[i]->content, "default") == 0)
{
/* Default is full format */
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_email_donotdelay) == 0)
{
if((Mail->gran_format[granto_size -1] != SMS_FORMAT) &&
(Mail->gran_format[granto_size -1] != DONOTGROUP))
{
Mail->gran_format[granto_size -1] = FORWARD_NOW;
}
}
else if(strcmp(node[i]->element, xml_email_donotgroup) == 0)
{
if(Mail->gran_format[granto_size -1] != SMS_FORMAT)
{
Mail->gran_format[granto_size -1] = DONOTGROUP;
}
}
else if(strcmp(node[i]->element, xml_email_location) == 0)
{
os_calloc(1, sizeof(OSMatch),Mail->gran_location[granto_size -1]);
if(!OSMatch_Compile(node[i]->content,
Mail->gran_location[granto_size -1], 0))
{
merror(REGEX_COMPILE, ARGV0, node[i]->content,
Mail->gran_location[granto_size -1]->error);
return(-1);
}
}
else if(strcmp(node[i]->element, xml_email_group) == 0)
{
os_calloc(1, sizeof(OSMatch),Mail->gran_group[granto_size -1]);
if(!OSMatch_Compile(node[i]->content,
Mail->gran_group[granto_size -1], 0))
{
merror(REGEX_COMPILE, ARGV0, node[i]->content,
Mail->gran_group[granto_size -1]->error);
return(-1);
}
}
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
/* We must have at least one entry set */
if((Mail->gran_location[granto_size -1] == NULL &&
Mail->gran_level[granto_size -1] == 0 &&
Mail->gran_group[granto_size -1] == NULL &&
Mail->gran_id[granto_size -1] == NULL &&
Mail->gran_format[granto_size -1] == FULL_FORMAT) ||
Mail->gran_to[granto_size -1] == NULL)
{
merror(XML_INV_GRAN_MAIL, ARGV0);
return(OS_INVALID);
}
return(0);
}
/* GlobalConf v0.2: 2005/03/03
* v0.2: Changing to support the new OS_XML
*/
int Read_Global(XML_NODE node, void *configp, void *mailp)
{
int i = 0;
/* White list size */
int white_size = 1;
int hostname_white_size = 1;
int mailto_size = 1;
/* XML definitions */
char *xml_mailnotify = "email_notification";
char *xml_logall = "logall";
char *xml_integrity = "integrity_checking";
char *xml_rootcheckd = "rootkit_detection";
char *xml_hostinfo = "host_information";
char *xml_picviz = "picviz_output";
char *xml_picviz_socket = "picviz_socket";
char *xml_prelude = "prelude_output";
char *xml_prelude_profile = "prelude_profile";
char *xml_prelude_log_level = "prelude_log_level";
char *xml_zeromq_output = "zeromq_output";
char *xml_zeromq_output_uri = "zeromq_uri";
char *xml_stats = "stats";
char *xml_memorysize = "memory_size";
char *xml_white_list = "white_list";
char *xml_compress_alerts = "compress_alerts";
char *xml_custom_alert_output = "custom_alert_output";
char *xml_emailto = "email_to";
char *xml_emailfrom = "email_from";
char *xml_emailidsname = "email_idsname";
char *xml_smtpserver = "smtp_server";
char *xml_mailmaxperhour = "email_maxperhour";
#ifdef GEOIP
/* GeoIP */
char *xml_geoip_db_path = "geoip_db_path";
char *xml_geoip6_db_path = "geoip6_db_path";
#endif
_Config *Config;
MailConfig *Mail;
Config = (_Config *)configp;
Mail = (MailConfig *)mailp;
/* Getting right white_size */
if(Config && Config->white_list)
{
os_ip **ww;
ww = Config->white_list;
while(*ww != NULL)
{
white_size++;
ww++;
}
}
/* Getting right white_size */
if(Config && Config->hostname_white_list)
{
OSMatch **ww;
ww = Config->hostname_white_list;
while(*ww != NULL)
{
hostname_white_size++;
ww++;
}
}
/* Getting mail_to size */
if(Mail && Mail->to)
{
char **ww;
ww = Mail->to;
while(*ww != NULL)
{
mailto_size++;
ww++;
}
}
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
else if(strcmp(node[i]->element, xml_custom_alert_output) == 0)
{
if(Config)
{
Config->custom_alert_output= 1;
os_strdup(node[i]->content, Config->custom_alert_output_format);
}
}
/* Mail notification */
else if(strcmp(node[i]->element, xml_mailnotify) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{
if(Config) Config->mailnotify = 1;
if(Mail) Mail->mn = 1;
}
else if(strcmp(node[i]->content, "no") == 0)
{
if(Config) Config->mailnotify = 0;
if(Mail) Mail->mn = 0;
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
/* Picviz support */
else if(strcmp(node[i]->element, xml_picviz) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{
if(Config) Config->picviz = 1;
}
else if(strcmp(node[i]->content, "no") == 0)
{
if(Config) Config->picviz = 0;
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element, node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_picviz_socket) == 0)
{
if(Config)
{
os_strdup(node[i]->content, Config->picviz_socket);
}
}
/* Prelude support */
else if(strcmp(node[i]->element, xml_prelude) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{
if(Config) Config->prelude = 1;
}
else if(strcmp(node[i]->content, "no") == 0)
{
if(Config) Config->prelude = 0;
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element, node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_prelude_profile) == 0)
{
if(Config)
{
Config->prelude_profile = strdup(node[i]->content);
}
}
else if(strcmp(node[i]->element, xml_prelude_log_level) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
if(Config)
{
Config->prelude_log_level = atoi(node[i]->content);
}
}
/* ZeroMQ output */
else if(strcmp(node[i]->element, xml_zeromq_output) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{
if(Config) Config->zeromq_output = 1;
}
else if(strcmp(node[i]->content, "no") == 0)
{
if(Config) Config->zeromq_output = 0;
}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element, node[i]->content);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element, xml_zeromq_output_uri) == 0)
{
if(Config)
{
Config->zeromq_output_uri = strdup(node[i]->content);
}
}
/* Log all */
else if(strcmp(node[i]->element, xml_logall) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
{ if(Config) Config->logall = 1;}
else if(strcmp(node[i]->content, "no") == 0)
{if(Config) Config->logall = 0;}
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
/* compress alerts */
else if(strcmp(node[i]->element, xml_compress_alerts) == 0)
{
/* removed from here -- compatility issues only */
}
/* Integrity */
else if(strcmp(node[i]->element, xml_integrity) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
if(Config)
{
Config->integrity = atoi(node[i]->content);
}
}
/* rootcheck */
else if(strcmp(node[i]->element, xml_rootcheckd) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
if(Config)
{
Config->rootcheck = atoi(node[i]->content);
}
}
/* hostinfo */
else if(strcmp(node[i]->element, xml_hostinfo) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
if(Config)
{
Config->hostinfo = atoi(node[i]->content);
}
}
/* stats */
else if(strcmp(node[i]->element, xml_stats) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
if(Config)
{
Config->stats = atoi(node[i]->content);
}
}
else if(strcmp(node[i]->element, xml_memorysize) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
if(Config)
{
Config->memorysize = atoi(node[i]->content);
}
}
/* whitelist */
else if(strcmp(node[i]->element, xml_white_list) == 0)
{
/* Windows do not need it */
#ifndef WIN32
char *ip_address_regex =
"^[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}/?"
"([0-9]{0,2}|[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})$";
if(Config && OS_PRegex(node[i]->content, ip_address_regex))
{
white_size++;
Config->white_list =
realloc(Config->white_list, sizeof(os_ip *)*white_size);
if(!Config->white_list)
{
merror(MEM_ERROR, ARGV0);
return(OS_INVALID);
}
os_calloc(1, sizeof(os_ip), Config->white_list[white_size -2]);
Config->white_list[white_size -1] = NULL;
if(!OS_IsValidIP(node[i]->content,
Config->white_list[white_size -2]))
{
merror(INVALID_IP, ARGV0,
node[i]->content);
return(OS_INVALID);
}
}
/* Adding hostname */
else if(Config)
{
hostname_white_size++;
Config->hostname_white_list =
realloc(Config->hostname_white_list,
sizeof(OSMatch *)*hostname_white_size);
if(!Config->hostname_white_list)
{
merror(MEM_ERROR, ARGV0);
return(OS_INVALID);
}
os_calloc(1,
sizeof(OSMatch),
Config->hostname_white_list[hostname_white_size -2]);
Config->hostname_white_list[hostname_white_size -1] = NULL;
if(!OSMatch_Compile(
node[i]->content,
Config->hostname_white_list[hostname_white_size -2],
0))
{
merror(REGEX_COMPILE, ARGV0, node[i]->content,
Config->hostname_white_list
[hostname_white_size -2]->error);
return(-1);
}
}
#endif
}
/* For the email now
* email_to, email_from, idsname, smtp_Server and maxperhour.
* We will use a separate structure for that.
*/
else if(strcmp(node[i]->element, xml_emailto) == 0)
{
#ifndef WIN32
if(!OS_PRegex(node[i]->content, "[a-zA-Z0-9\\._-]+@[a-zA-Z0-9\\._-]"))
{
merror("%s: ERROR: Invalid Email address: %s.", ARGV0, node[i]->content);
return(OS_INVALID);
}
#endif
if(Mail)
{
mailto_size++;
Mail->to = realloc(Mail->to, sizeof(char *)*mailto_size);
if(!Mail->to)
{
merror(MEM_ERROR, ARGV0);
return(OS_INVALID);
}
os_strdup(node[i]->content, Mail->to[mailto_size - 2]);
Mail->to[mailto_size - 1] = NULL;
}
}
else if(strcmp(node[i]->element, xml_emailfrom) == 0)
{
if(Mail)
{
if(Mail->from)
{
free(Mail->from);
}
os_strdup(node[i]->content, Mail->from);
}
}
else if(strcmp(node[i]->element, xml_emailidsname) == 0)
{
if(Mail)
{
if(Mail->idsname)
{
free(Mail->idsname);
}
os_strdup(node[i]->content, Mail->idsname);
}
}
else if(strcmp(node[i]->element, xml_smtpserver) == 0)
{
#ifndef WIN32
if(Mail && (Mail->mn))
{
Mail->smtpserver = OS_GetHost(node[i]->content, 5);
if(!Mail->smtpserver)
{
merror(INVALID_SMTP, ARGV0, node[i]->content);
return(OS_INVALID);
}
}
#endif
}
else if(strcmp(node[i]->element, xml_mailmaxperhour) == 0)
{
if(Mail)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
Mail->maxperhour = atoi(node[i]->content);
if((Mail->maxperhour <= 0) || (Mail->maxperhour > 9999))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
}
#ifdef GEOIP
/* GeoIP v4 DB location */
else if(strcmp(node[i]->element, xml_geoip_db_path) == 0)
{
if(Config)
{
os_strdup(node[i]->content, Config->geoip_db_path);
}
}
/* GeoIP v6 DB location */
else if(strcmp(node[i]->element, xml_geoip6_db_path) == 0)
{
if(Config)
{
os_strdup(node[i]->content, Config->geoip6_db_path);
}
}
#endif
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
return(0);
}
int Read_Client(XML_NODE node, void *d1, void *d2)
{
int i = 0;
/* XML definitions */
char *xml_client_ip = "server-ip";
char *xml_client_hostname = "server-hostname";
char *xml_local_ip = "local_ip";
char *xml_client_port = "port";
char *xml_ar_disabled = "disable-active-response";
char *xml_notify_time = "notify_time";
char *xml_max_time_reconnect_try = "time-reconnect";
/* cmoraes */
char *xml_profile_name = "config-profile";
agent *logr;
logr = (agent *)d1;
logr->notify_time = 0;
logr->max_time_reconnect_try = 0;
while(node[i])
{
if(!node[i]->element)
{
merror(XML_ELEMNULL, ARGV0);
return(OS_INVALID);
}
else if(!node[i]->content)
{
merror(XML_VALUENULL, ARGV0, node[i]->element);
return(OS_INVALID);
}
/* Getting local ip. */
else if(strcmp(node[i]->element, xml_local_ip) == 0)
{
os_strdup(node[i]->content, logr->lip);
if(OS_IsValidIP(logr->lip, NULL) != 1)
{
merror(INVALID_IP, ARGV0, logr->lip);
return(OS_INVALID);
}
}
/* Getting server ip */
else if(strcmp(node[i]->element,xml_client_ip) == 0)
{
int ip_id = 0;
/* Getting last ip */
if(logr->rip)
{
while(logr->rip[ip_id])
{
ip_id++;
}
}
os_realloc(logr->rip, (ip_id + 2) * sizeof(char*), logr->rip);
logr->rip[ip_id] = NULL;
logr->rip[ip_id +1] = NULL;
os_strdup(node[i]->content, logr->rip[ip_id]);
if(OS_IsValidIP(logr->rip[ip_id], NULL) != 1)
{
merror(INVALID_IP, ARGV0, logr->rip[ip_id]);
return(OS_INVALID);
}
logr->rip_id++;
}
else if(strcmp(node[i]->element,xml_client_hostname) == 0)
{
int ip_id = 0;
char *s_ip;
char f_ip[128];
/* Getting last ip. */
if(logr->rip)
{
while(logr->rip[ip_id])
{
ip_id++;
}
}
os_realloc(logr->rip, (ip_id + 2) * sizeof(char*),
logr->rip);
s_ip = OS_GetHost(node[i]->content, 5);
if(!s_ip)
{
merror("%s: WARN: Unable to get hostname for '%s'.",
ARGV0, node[i]->content);
merror(AG_INV_HOST, ARGV0, node[i]->content);
os_strdup("invalid_ip", s_ip);
}
f_ip[127] = '\0';
snprintf(f_ip, 127, "%s/%s", node[i]->content, s_ip);
os_strdup(f_ip, logr->rip[ip_id]);
logr->rip[ip_id +1] = NULL;
free(s_ip);
logr->rip_id++;
}
else if(strcmp(node[i]->element,xml_client_port) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
logr->port = atoi(node[i]->content);
if(logr->port <= 0 || logr->port > 65535)
{
merror(PORT_ERROR, ARGV0, logr->port);
return(OS_INVALID);
}
}
else if(strcmp(node[i]->element,xml_notify_time) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
logr->notify_time = atoi(node[i]->content);
}
else if(strcmp(node[i]->element,xml_max_time_reconnect_try) == 0)
{
if(!OS_StrIsNum(node[i]->content))
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
logr->max_time_reconnect_try = atoi(node[i]->content);
}
else if(strcmp(node[i]->element,xml_ar_disabled) == 0)
{
if(strcmp(node[i]->content, "yes") == 0)
logr->execdq = -1;
else if(strcmp(node[i]->content, "no") == 0)
logr->execdq = 0;
else
{
merror(XML_VALUEERR,ARGV0,node[i]->element,node[i]->content);
return(OS_INVALID);
}
}
/* cmoraes */
else if(strcmp(node[i]->element,xml_profile_name) == 0)
{
/* profile name can be anything hence no validation */
os_strdup(node[i]->content, logr->profile);
}
else
{
merror(XML_INVELEM, ARGV0, node[i]->element);
return(OS_INVALID);
}
i++;
}
if(!logr->rip)
{
return(OS_INVALID);
}
return(0);
}
/* Read_Rootcheck_Config: Reads the rootcheck config
*/
int Read_Rootcheck_Config(char * cfgfile)
{
OS_XML xml;
char *str = NULL;
/* XML Definitions */
char *(xml_daemon[])={xml_rootcheck,"daemon", NULL};
char *(xml_notify[])={xml_rootcheck, "notify", NULL};
char *(xml_base_dir[])={xml_rootcheck, "base_directory", NULL};
char *(xml_workdir[])={xml_rootcheck, "work_directory", NULL};
char *(xml_rootkit_files[])={xml_rootcheck, "rootkit_files", NULL};
char *(xml_rootkit_trojans[])={xml_rootcheck, "rootkit_trojans", NULL};
char *(xml_rootkit_unixaudit[])={xml_rootcheck, "system_audit", NULL};
char *(xml_rootkit_winaudit[])={xml_rootcheck, "windows_audit", NULL};
char *(xml_rootkit_winapps[])={xml_rootcheck, "windows_apps", NULL};
char *(xml_rootkit_winmalware[])={xml_rootcheck, "windows_malware", NULL};
char *(xml_scanall[])={xml_rootcheck, "scanall", NULL};
char *(xml_readall[])={xml_rootcheck, "readall", NULL};
char *(xml_time[])={xml_rootcheck, "frequency", NULL};
/* :) */
xml_time[2] = NULL;
if(OS_ReadXML(cfgfile,&xml) < 0)
{
merror("config_op: XML error: %s",xml.err);
return(OS_INVALID);
}
if(!OS_RootElementExist(&xml,xml_rootcheck))
{
OS_ClearXML(&xml);
merror("%s: Rootcheck configuration not found. ",ARGV0);
return(-1);
}
/* run as a daemon */
str = OS_GetOneContentforElement(&xml,xml_daemon);
if(str)
{
if(str[0] == 'n')
rootcheck.daemon = 0;
free(str);
str = NULL;
}
/* time */
#ifdef OSSECHIDS
str = OS_GetOneContentforElement(&xml,xml_time);
if(str)
{
if(!OS_StrIsNum(str))
{
merror("Invalid frequency time '%s' for the rootkit "
"detection (must be int).", str);
return(OS_INVALID);
}
rootcheck.time = atoi(str);
free(str);
str = NULL;
}
#endif
/* Scan all flag */
if(!rootcheck.scanall)
{
str = OS_GetOneContentforElement(&xml,xml_scanall);
if(str)
{
if(str[0] == 'y')
rootcheck.scanall = 1;
free(str);
str = NULL;
}
}
/* read all flag */
if(!rootcheck.readall)
{
str = OS_GetOneContentforElement(&xml,xml_readall);
if(str)
{
if(str[0] == 'y')
rootcheck.readall = 1;
free(str);
str = NULL;
}
}
/* Notifications type */
str = OS_GetOneContentforElement(&xml,xml_notify);
if(str)
{
if(strcasecmp(str,"queue") == 0)
rootcheck.notify = QUEUE;
else if(strcasecmp(str,"syslog") == 0)
rootcheck.notify = SYSLOG;
else
{
merror("%s: Invalid notification option. Only "
"'syslog' or 'queue' are allowed.",ARGV0);
return(-1);
}
free(str);
str = NULL;
}
else
{
/* Default to SYSLOG */
rootcheck.notify = SYSLOG;
}
/* Getting work directory */
if(!rootcheck.workdir)
rootcheck.workdir = OS_GetOneContentforElement(&xml,xml_workdir);
rootcheck.rootkit_files = OS_GetOneContentforElement
(&xml,xml_rootkit_files);
rootcheck.rootkit_trojans = OS_GetOneContentforElement
(&xml,xml_rootkit_trojans);
rootcheck.unixaudit = OS_GetContents
(&xml,xml_rootkit_unixaudit);
rootcheck.winaudit = OS_GetOneContentforElement
(&xml,xml_rootkit_winaudit);
rootcheck.winapps = OS_GetOneContentforElement
(&xml,xml_rootkit_winapps);
rootcheck.winmalware = OS_GetOneContentforElement
(&xml,xml_rootkit_winmalware);
rootcheck.basedir = OS_GetOneContentforElement(&xml, xml_base_dir);
OS_ClearXML(&xml);
debug1("%s: DEBUG: Daemon set to '%d'",ARGV0, rootcheck.daemon);
debug1("%s: DEBUG: alert set to '%d'",ARGV0, rootcheck.notify);
return(0);
}
