-/* @(#) $Id: ./src/config/config.c, 2011/11/01 dcid Exp $
- */
-
/* Copyright (C) 2009 Trend Micro Inc.
* All right reserved.
*
* Foundation
*/
-/* Unified function to read the config.
- *
- */
-
+/* Unified function to read the configuration */
+#include <libgen.h>
#include "shared.h"
#include "os_xml/os_xml.h"
#include "config.h"
+/* Prototypes */
+static int read_main_elements(const OS_XML *xml, int modules,
+ XML_NODE node,
+ void *d1,
+ void *d2);
-/* Read the main elements of the configuration.
- */
-int read_main_elements(OS_XML xml, int modules,
- XML_NODE node,
- void *d1,
- void *d2)
+
+/* Read the main elements of the configuration */
+static int read_main_elements(const OS_XML *xml, int modules,
+ XML_NODE node,
+ void *d1,
+ void *d2)
{
int i = 0;
- char *osglobal = "global"; /*Server Config*/
- char *osrules = "rules"; /*Server Config*/
- char *ossyscheck = "syscheck"; /*Agent Config*/
- char *osrootcheck = "rootcheck"; /*Agent Config*/
- char *osalerts = "alerts"; /*Server Config*/
- char *osemailalerts = "email_alerts"; /*Server Config*/
- char *osdbd = "database_output"; /*Server Config*/
- char *oscsyslogd = "syslog_output"; /*Server Config*/
- char *oscagentless = "agentless"; /*Server Config*/
- char *oslocalfile = "localfile"; /*Agent Config*/
- char *osremote = "remote"; /*Agent Config*/
- char *osclient = "client"; /*Agent Config*/
- char *oscommand = "command"; /*? Config*/
- char *osreports = "reports"; /*Server Config*/
- char *osactive_response = "active-response"; /*Agent Config*/
-
-
- while(node[i])
- {
+ const char *osglobal = "global"; /* Server Config */
+ const char *osrules = "rules"; /* Server Config */
+ const char *ossyscheck = "syscheck"; /* Agent Config */
+ const char *osrootcheck = "rootcheck"; /* Agent Config */
+ const char *osalerts = "alerts"; /* Server Config */
+ const char *osemailalerts = "email_alerts"; /* Server Config */
+ const char *osdbd = "database_output"; /* Server Config */
+ const char *oscsyslogd = "syslog_output"; /* Server Config */
+ const char *oscagentless = "agentless"; /* Server Config */
+ const char *oslocalfile = "localfile"; /* Agent Config */
+ const char *osremote = "remote"; /* Agent Config */
+ const char *osclient = "client"; /* Agent Config */
+ const char *oscommand = "command"; /* ? Config */
+ const char *osreports = "reports"; /* Server Config */
+ const char *osactive_response = "active-response"; /* Agent Config */
+
+ while (node[i]) {
XML_NODE chld_node = NULL;
- chld_node = OS_GetElementsbyNode(&xml,node[i]);
-
- if(!node[i]->element)
- {
- merror(XML_ELEMNULL, ARGV0);
- return(OS_INVALID);
- }
- else if(!chld_node)
- {
- merror(XML_INVELEM, ARGV0, node[i]->element);
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osglobal) == 0)
- {
- if(((modules & CGLOBAL) || (modules & CMAIL))
- && (Read_Global(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osemailalerts) == 0)
- {
- if((modules & CMAIL) && (Read_EmailAlerts(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osdbd) == 0)
- {
- if((modules & CDBD) && (Read_DB(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, oscsyslogd) == 0)
- {
- if((modules & CSYSLOGD) && (Read_CSyslog(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, oscagentless) == 0)
- {
- if((modules & CAGENTLESS) && (Read_CAgentless(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osrules) == 0)
- {
- if((modules & CRULES) && (Read_Rules(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, ossyscheck) == 0)
- {
- if((modules & CSYSCHECK) && (Read_Syscheck(chld_node, d1,d2) < 0))
- return(OS_INVALID);
- if((modules & CGLOBAL) && (Read_GlobalSK(chld_node, d1, d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osrootcheck) == 0)
- {
- if((modules & CROOTCHECK) && (Read_Rootcheck(chld_node, d1,d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osalerts) == 0)
- {
- if((modules & CALERTS) && (Read_Alerts(chld_node, d1,d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, oslocalfile) == 0)
- {
- if((modules & CLOCALFILE) && (Read_Localfile(chld_node, d1,d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osremote) == 0)
- {
- if((modules & CREMOTE) && (Read_Remote(chld_node, d1,d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osclient) == 0)
- {
- if((modules & CCLIENT) && (Read_Client(chld_node, d1,d2) < 0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, oscommand) == 0)
- {
- if((modules & CAR)&&(ReadActiveCommands(chld_node, d1, d2)<0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osactive_response) == 0)
- {
- if((modules & CAR)&&(ReadActiveResponses(chld_node, d1, d2)<0))
- return(OS_INVALID);
- }
- else if(strcmp(node[i]->element, osreports) == 0)
- {
- if((modules & CREPORTS)&&(Read_CReports(chld_node, d1, d2)<0))
- return(OS_INVALID);
- }
- else
- {
- merror(XML_INVELEM, ARGV0, node[i]->element);
- return(OS_INVALID);
+ if (!node[i]->element) {
+ merror(XML_ELEMNULL, __local_name);
+ goto fail;
+ } else if (!(chld_node = OS_GetElementsbyNode(xml, node[i]))) {
+ merror(XML_INVELEM, __local_name, node[i]->element);
+ goto fail;
+ } else if (strcmp(node[i]->element, osglobal) == 0) {
+ if (((modules & CGLOBAL) || (modules & CMAIL))
+ && (Read_Global(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osemailalerts) == 0) {
+ if ((modules & CMAIL) && (Read_EmailAlerts(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osdbd) == 0) {
+ if ((modules & CDBD) && (Read_DB(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, oscsyslogd) == 0) {
+ if ((modules & CSYSLOGD) && (Read_CSyslog(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, oscagentless) == 0) {
+ if ((modules & CAGENTLESS) && (Read_CAgentless(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osrules) == 0) {
+ if ((modules & CRULES) && (Read_Rules(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, ossyscheck) == 0) {
+ if ((modules & CSYSCHECK) && (Read_Syscheck(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ if ((modules & CGLOBAL) && (Read_GlobalSK(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osrootcheck) == 0) {
+ if ((modules & CROOTCHECK) && (Read_Rootcheck(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osalerts) == 0) {
+ if ((modules & CALERTS) && (Read_Alerts(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, oslocalfile) == 0) {
+ if ((modules & CLOCALFILE) && (Read_Localfile(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osremote) == 0) {
+ if ((modules & CREMOTE) && (Read_Remote(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osclient) == 0) {
+ if ((modules & CCLIENT) && (Read_Client(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, oscommand) == 0) {
+ if ((modules & CAR) && (ReadActiveCommands(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osactive_response) == 0) {
+ if ((modules & CAR) && (ReadActiveResponses(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else if (strcmp(node[i]->element, osreports) == 0) {
+ if ((modules & CREPORTS) && (Read_CReports(chld_node, d1, d2) < 0)) {
+ goto fail;
+ }
+ } else {
+ merror(XML_INVELEM, __local_name, node[i]->element);
+ goto fail;
}
- //printf("before\n");
OS_ClearNode(chld_node);
- //printf("after\n");
i++;
+
+ continue;
+
+ fail:
+ OS_ClearNode(chld_node);
+ return (OS_INVALID);
}
- return(0);
+ return (0);
}
-
-/* ReadConfig(int modules, char *cfgfile)
- * Read the config files
- */
-int ReadConfig(int modules, char *cfgfile, void *d1, void *d2)
+/* Read the config files */
+int ReadConfig(int modules, const char *cfgfile, void *d1, void *d2)
{
int i;
OS_XML xml;
XML_NODE node;
-
/** XML definitions **/
/* Global */
- char *xml_start_ossec = "ossec_config";
- char *xml_start_agent = "agent_config";
+ const char *xml_start_ossec = "ossec_config";
+ const char *xml_start_agent = "agent_config";
/* Attributes of the <agent_config> tag */
- char *xml_agent_name = "name";
- char *xml_agent_os = "os";
- char *xml_agent_overwrite = "overwrite";
- /* cmoraes */
- char *xml_agent_profile = "profile";
-
-
- if(OS_ReadXML(cfgfile,&xml) < 0)
- {
- if(modules & CAGENT_CONFIG)
- {
- #ifndef CLIENT
- merror(XML_ERROR, ARGV0, cfgfile, xml.err, xml.err_line);
- #endif
- }
- else
- {
- merror(XML_ERROR, ARGV0, cfgfile, xml.err, xml.err_line);
- }
- return(OS_INVALID);
+ const char *xml_agent_name = "name";
+ const char *xml_agent_os = "os";
+ const char *xml_agent_overwrite = "overwrite";
+ const char *xml_agent_profile = "profile";
+
+ int xml_ret = OS_ReadXML(cfgfile, &xml);
+ if (xml_ret < 0) {
+ char *tmpcfg;
+ tmpcfg = strdup(cfgfile);
+ const char *cfg_base = basename(tmpcfg);
+ if((strncmp(cfg_base, "agent.conf", 10)) == 0 && xml_ret == -2) {
+ debug2("WARN: Cannot open %s: %s", cfgfile, xml.err);
+ } else {
+ merror(XML_ERROR, __local_name, cfgfile, xml.err, xml.err_line);
+ }
+ return (OS_INVALID);
}
-
node = OS_GetElementsbyNode(&xml, NULL);
- if(!node)
- {
- return(0);
+ if (!node) {
+ return (0);
}
-
- /* Reading the main configuration */
+ /* Read the main configuration */
i = 0;
- while(node[i])
- {
- if(!node[i]->element)
- {
- merror(XML_ELEMNULL, ARGV0);
- return(OS_INVALID);
- }
- else if(!(modules & CAGENT_CONFIG) &&
- (strcmp(node[i]->element, xml_start_ossec) == 0))
- {
+ while (node[i]) {
+ if (!node[i]->element) {
+ merror(XML_ELEMNULL, __local_name);
+ OS_ClearNode(node);
+ return (OS_INVALID);
+ } else if (!(modules & CAGENT_CONFIG) &&
+ (strcmp(node[i]->element, xml_start_ossec) == 0)) {
XML_NODE chld_node = NULL;
- chld_node = OS_GetElementsbyNode(&xml,node[i]);
+ chld_node = OS_GetElementsbyNode(&xml, node[i]);
/* Main element does not need to have any child */
- if(chld_node)
- {
- if(read_main_elements(xml, modules, chld_node, d1, d2) < 0)
- {
- merror(CONFIG_ERROR, ARGV0, cfgfile);
- return(OS_INVALID);
+ if (chld_node) {
+ if (read_main_elements(&xml, modules, chld_node, d1, d2) < 0) {
+ merror(CONFIG_ERROR, __local_name, cfgfile);
+ OS_ClearNode(chld_node);
+ OS_ClearNode(node);
+ return (OS_INVALID);
}
OS_ClearNode(chld_node);
}
- }
- else if((modules & CAGENT_CONFIG) &&
- (strcmp(node[i]->element, xml_start_agent) == 0))
- {
+ } else if ((modules & CAGENT_CONFIG) &&
+ (strcmp(node[i]->element, xml_start_agent) == 0)) {
int passed_agent_test = 1;
int attrs = 0;
XML_NODE chld_node = NULL;
- chld_node = OS_GetElementsbyNode(&xml,node[i]);
-
-
- /* Checking if this is specific to any agent. */
- if(node[i]->attributes && node[i]->values)
- {
- while(node[i]->attributes[attrs] && node[i]->values[attrs])
- {
- /* Checking if there is an "name=" attribute */
- if(strcmp(xml_agent_name, node[i]->attributes[attrs]) == 0)
- {
- #ifdef CLIENT
+ chld_node = OS_GetElementsbyNode(&xml, node[i]);
+
+ /* Check if this is specific to any agent */
+ if (node[i]->attributes && node[i]->values) {
+ while (node[i]->attributes[attrs] && node[i]->values[attrs]) {
+ /* Check if there is an "name=" attribute */
+ if (strcmp(xml_agent_name, node[i]->attributes[attrs]) == 0) {
+#ifdef CLIENT
char *agentname = os_read_agent_name();
- if(!agentname)
- {
+ if (!agentname) {
passed_agent_test = 0;
- }
- else
- {
- if(!OS_Match2(node[i]->values[attrs], agentname))
- {
+ } else {
+ if (!OS_Match2(node[i]->values[attrs], agentname)) {
passed_agent_test = 0;
}
free(agentname);
}
- #endif
- }
- else if(strcmp(xml_agent_os, node[i]->attributes[attrs]) == 0)
- {
- #ifdef CLIENT
+#endif
+ } else if (strcmp(xml_agent_os, node[i]->attributes[attrs]) == 0) {
+#ifdef CLIENT
char *agentos = getuname();
- if(agentos)
- {
- if(!OS_Match2(node[i]->values[attrs], agentos))
- {
+ if (agentos) {
+ if (!OS_Match2(node[i]->values[attrs], agentos)) {
passed_agent_test = 0;
}
free(agentos);
- }
- else
- {
+ } else {
passed_agent_test = 0;
- merror("%s: ERROR: Unable to retrieve uname.", ARGV0);
+ merror("%s: ERROR: Unable to retrieve uname.", __local_name);
}
- #endif
- }
- else if(strcmp(xml_agent_profile, node[i]->attributes[attrs]) == 0)
- {
- #ifdef CLIENT
+#endif
+ } else if (strcmp(xml_agent_profile, node[i]->attributes[attrs]) == 0) {
+#ifdef CLIENT
char *agentprofile = os_read_agent_profile();
debug2("Read agent config profile name [%s]", agentprofile);
- if(!agentprofile)
- {
+ if (!agentprofile) {
passed_agent_test = 0;
- }
- else
- {
+ } else {
/* match the profile name of this <agent_config> section
* with a comma separated list of values in agent's
* <config-profile> tag.
*/
- if(!OS_Match2(node[i]->values[attrs], agentprofile))
- {
+ if (!OS_Match2(node[i]->values[attrs], agentprofile)) {
passed_agent_test = 0;
debug2("[%s] did not match agent config profile name [%s]",
node[i]->values[attrs], agentprofile);
- }
- else
- {
+ } else {
debug2("Matched agent config profile name [%s]", agentprofile);
}
free(agentprofile);
}
- #endif
- }
- /* cmoraes: end add */
- else if(strcmp(xml_agent_overwrite, node[i]->attributes[attrs]) == 0)
- {
- }
- else
- {
- merror(XML_INVATTR, ARGV0, node[i]->attributes[attrs],
- cfgfile);
+#endif
+ } else if (strcmp(xml_agent_overwrite, node[i]->attributes[attrs]) == 0) {
+ } else {
+ merror(XML_INVATTR, __local_name, node[i]->attributes[attrs],
+ cfgfile);
}
attrs++;
}
}
- #ifdef CLIENT
- else
- {
+#ifdef CLIENT
+ else {
debug2("agent_config element does not have any attributes.");
/* if node does not have any attributes, it is a generic config block.
* agent_config block
*/
- if (!os_read_agent_profile())
- {
+ if (!os_read_agent_profile()) {
debug2("but agent has a profile name.");
passed_agent_test = 0;
}
}
- #endif
+#endif
/* Main element does not need to have any child */
- if(chld_node)
- {
- if(passed_agent_test && read_main_elements(xml, modules, chld_node, d1, d2) < 0)
- {
- merror(CONFIG_ERROR, ARGV0, cfgfile);
- return(OS_INVALID);
+ if (chld_node) {
+ if (passed_agent_test && read_main_elements(&xml, modules, chld_node, d1, d2) < 0) {
+ merror(CONFIG_ERROR, __local_name, cfgfile);
+ OS_ClearNode(chld_node);
+ OS_ClearNode(node);
+ return (OS_INVALID);
}
OS_ClearNode(chld_node);
}
- }
- else
- {
- merror(XML_INVELEM, ARGV0, node[i]->element);
- return(OS_INVALID);
+ } else {
+ merror(XML_INVELEM, __local_name, node[i]->element);
+ OS_ClearNode(node);
+ return (OS_INVALID);
}
i++;
}
- /* Clearing node and xml */
+ /* Clear node and xml */
OS_ClearNode(node);
- OS_ClearXML(&xml);
- return(0);
+ OS_ClearXML(&xml);
+ return (0);
}
-
-
-/* EOF */
projects / ossec-hids.git / blobdiff