-/* @(#) $Id: ./src/monitord/main.c, 2011/09/08 dcid Exp $
- */
-
/* Copyright (C) 2009 Trend Micro Inc.
* All rights reserved.
*
* Foundation
*/
-
#include "shared.h"
#include "config/config.h"
#include "monitord.h"
#include "os_net/os_net.h"
+/* Prototypes */
+static void help_monitord(void) __attribute__((noreturn));
+
+
+/* Print help statement */
+static void help_monitord()
+{
+ print_header();
+ print_out(" %s: -[Vhdtf] [-u user] [-g group] [-c config] [-D dir]", ARGV0);
+ print_out(" -V Version and license message");
+ print_out(" -h This help message");
+ print_out(" -d Execute in debug mode. This parameter");
+ print_out(" can be specified multiple times");
+ print_out(" to increase the debug level.");
+ print_out(" -t Test configuration");
+ print_out(" -f Run in foreground");
+ print_out(" -u <user> User to run as (default: %s)", USER);
+ print_out(" -g <group> Group to run as (default: %s)", GROUPGLOBAL);
+ print_out(" -c <config> Configuration file to use (default: %s)", DEFAULTCPATH);
+ print_out(" -D <dir> Directory to chroot into (default: %s)", DEFAULTDIR);
+ print_out(" ");
+ exit(1);
+}
int main(int argc, char **argv)
{
int c, test_config = 0, run_foreground = 0;
- int uid=0,gid=0;
- char *dir = DEFAULTDIR;
- char *user = USER;
- char *group = GROUPGLOBAL;
- char *cfg = DEFAULTCPATH;
-
- /* Initializing global variables */
+ uid_t uid;
+ gid_t gid;
+ const char *dir = DEFAULTDIR;
+ const char *user = USER;
+ const char *group = GROUPGLOBAL;
+ const char *cfg = DEFAULTCPATH;
+
+ /* Initialize global variables */
mond.a_queue = 0;
- /* Setting the name */
+ /* Set the name */
OS_SetName(ARGV0);
-
- while((c = getopt(argc, argv, "Vdhtfu:g:D:c:")) != -1){
- switch(c){
+ while ((c = getopt(argc, argv, "Vdhtfu:g:D:c:")) != -1) {
+ switch (c) {
case 'V':
print_version();
break;
case 'h':
- help(ARGV0);
+ help_monitord();
break;
case 'd':
nowDebug();
run_foreground = 1;
break;
case 'u':
- if(!optarg)
- ErrorExit("%s: -u needs an argument",ARGV0);
- user=optarg;
+ if (!optarg) {
+ ErrorExit("%s: -u needs an argument", ARGV0);
+ }
+ user = optarg;
break;
case 'g':
- if(!optarg)
- ErrorExit("%s: -g needs an argument",ARGV0);
- group=optarg;
+ if (!optarg) {
+ ErrorExit("%s: -g needs an argument", ARGV0);
+ }
+ group = optarg;
break;
case 'D':
- if(!optarg)
- ErrorExit("%s: -D needs an argument",ARGV0);
- dir=optarg;
+ if (!optarg) {
+ ErrorExit("%s: -D needs an argument", ARGV0);
+ }
+ dir = optarg;
break;
case 'c':
- if(!optarg)
- ErrorExit("%s: -c needs an argument",ARGV0);
+ if (!optarg) {
+ ErrorExit("%s: -c needs an argument", ARGV0);
+ }
cfg = optarg;
break;
case 't':
test_config = 1;
break;
default:
- help(ARGV0);
+ help_monitord();
break;
}
}
- /* Starting daemon */
- debug1(STARTED_MSG,ARGV0);
+ /* Start daemon */
+ debug1(STARTED_MSG, ARGV0);
/*Check if the user/group given are valid */
uid = Privsep_GetUser(user);
gid = Privsep_GetGroup(group);
- if((uid < 0)||(gid < 0))
- ErrorExit(USER_ERROR,ARGV0,user,group);
-
-
- /* Getting config options */
- mond.day_wait = getDefine_Int("monitord",
- "day_wait",
- 5,240);
- mond.compress = getDefine_Int("monitord",
- "compress",
- 0,1);
- mond.sign = getDefine_Int("monitord","sign",0,1);
-
- mond.monitor_agents = getDefine_Int("monitord","monitor_agents",0,1);
+ if (uid == (uid_t) - 1 || gid == (gid_t) - 1) {
+ ErrorExit(USER_ERROR, ARGV0, user, group);
+ }
+ /* Get config options */
+ mond.day_wait = (unsigned short) getDefine_Int("monitord", "day_wait", 5, 240);
+ mond.compress = (short) getDefine_Int("monitord", "compress", 0, 1);
+ mond.sign = (short) getDefine_Int("monitord", "sign", 0, 1);
+ mond.monitor_agents = (short) getDefine_Int("monitord", "monitor_agents", 0, 1);
+ mond.notify_time = getDefine_Int("monitord", "notify_time", 60, 3600);
mond.agents = NULL;
mond.smtpserver = NULL;
mond.emailfrom = NULL;
mond.emailidsname = NULL;
-
c = 0;
- c|= CREPORTS;
- if(ReadConfig(c, cfg, &mond, NULL) < 0)
- {
+ c |= CREPORTS;
+ if (ReadConfig(c, cfg, &mond, NULL) < 0) {
ErrorExit(CONFIG_ERROR, ARGV0, cfg);
}
/* If we have any reports configured, read smtp/emailfrom */
- if(mond.reports)
- {
+ if (mond.reports) {
OS_XML xml;
char *tmpsmtp;
- const char *(xml_smtp[])={"ossec_config", "global", "smtp_server", NULL};
- const char *(xml_from[])={"ossec_config", "global", "email_from", NULL};
- const char *(xml_idsname[])={"ossec_config", "global", "email_idsname", NULL};
+ const char *(xml_smtp[]) = {"ossec_config", "global", "smtp_server", NULL};
+ const char *(xml_from[]) = {"ossec_config", "global", "email_from", NULL};
+ const char *(xml_idsname[]) = {"ossec_config", "global", "email_idsname", NULL};
- if(OS_ReadXML(cfg, &xml) < 0)
- {
+ if (OS_ReadXML(cfg, &xml) < 0) {
ErrorExit(CONFIG_ERROR, ARGV0, cfg);
}
- tmpsmtp = OS_GetOneContentforElement(&xml,xml_smtp);
- mond.emailfrom = OS_GetOneContentforElement(&xml,xml_from);
- mond.emailidsname = OS_GetOneContentforElement(&xml,xml_idsname);
+ tmpsmtp = OS_GetOneContentforElement(&xml, xml_smtp);
+ mond.emailfrom = OS_GetOneContentforElement(&xml, xml_from);
+ mond.emailidsname = OS_GetOneContentforElement(&xml, xml_idsname);
- if(tmpsmtp && mond.emailfrom)
- {
+ if (tmpsmtp && mond.emailfrom) {
mond.smtpserver = OS_GetHost(tmpsmtp, 5);
- if(!mond.smtpserver)
- {
+ if (!mond.smtpserver) {
merror(INVALID_SMTP, ARGV0, tmpsmtp);
- if(mond.emailfrom) free(mond.emailfrom);
+ if (mond.emailfrom) {
+ free(mond.emailfrom);
+ }
mond.emailfrom = NULL;
merror("%s: Invalid SMTP server. Disabling email reports.", ARGV0);
}
- }
- else
- {
- if(tmpsmtp) free(tmpsmtp);
- if(mond.emailfrom) free(mond.emailfrom);
+ } else {
+ if (tmpsmtp) {
+ free(tmpsmtp);
+ }
+ if (mond.emailfrom) {
+ free(mond.emailfrom);
+ }
mond.emailfrom = NULL;
-
merror("%s: SMTP server or 'email from' missing. Disabling email reports.", ARGV0);
}
OS_ClearXML(&xml);
}
-
/* Exit here if test config is set */
- if(test_config)
+ if (test_config) {
exit(0);
+ }
-
- if (!run_foreground)
- {
+ if (!run_foreground) {
/* Going on daemon mode */
nowDaemon();
goDaemon();
}
-
/* Privilege separation */
- if(Privsep_SetGroup(gid) < 0)
- ErrorExit(SETGID_ERROR,ARGV0,group);
-
+ if (Privsep_SetGroup(gid) < 0) {
+ ErrorExit(SETGID_ERROR, ARGV0, group, errno, strerror(errno));
+ }
- /* chrooting */
- if(Privsep_Chroot(dir) < 0)
- ErrorExit(CHROOT_ERROR,ARGV0,dir);
+ /* chroot */
+ if (Privsep_Chroot(dir) < 0) {
+ ErrorExit(CHROOT_ERROR, ARGV0, dir, errno, strerror(errno));
+ }
nowChroot();
+ /* Change user */
+ if (Privsep_SetUser(uid) < 0) {
+ ErrorExit(SETUID_ERROR, ARGV0, user, errno, strerror(errno));
+ }
-
- /* Changing user */
- if(Privsep_SetUser(uid) < 0)
- ErrorExit(SETUID_ERROR,ARGV0,user);
-
-
- debug1(PRIVSEP_MSG,ARGV0,dir,user);
-
-
+ debug1(CHROOT_MSG, ARGV0, dir);
+ debug1(PRIVSEP_MSG, ARGV0, user);
/* Signal manipulation */
StartSIG(ARGV0);
-
-
- /* Creating PID files */
- if(CreatePID(ARGV0, getpid()) < 0)
- ErrorExit(PID_ERROR,ARGV0);
-
+ /* Create PID files */
+ if (CreatePID(ARGV0, getpid()) < 0) {
+ ErrorExit(PID_ERROR, ARGV0);
+ }
/* Start up message */
verbose(STARTUP_MSG, ARGV0, (int)getpid());
-
- /* the real daemon now */
+ /* The real daemon now */
Monitord();
exit(0);
}
-
-
-/* EOF */
projects / ossec-hids.git / blobdiff