int main(int argc, char **argv) { int i = 0, c = 0; uid_t uid; gid_t gid; int debug_level = 0; int test_config = 0, run_foreground = 0; const char *cfg = DEFAULTCPATH; const char *dir = DEFAULTDIR; const char *user = REMUSER; const char *group = GROUPGLOBAL; /* Set the name */ OS_SetName(ARGV0); while ((c = getopt(argc, argv, "Vdthfu:g:c:D:")) != -1) { switch (c) { case 'V': print_version(); break; case 'h': help_remoted(); break; case 'd': nowDebug(); debug_level = 1; break; case 'f': run_foreground = 1; break; case 'u': 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; break; case 't': test_config = 1; break; case 'c': if (!optarg) { ErrorExit("%s: -c need an argument", ARGV0); } cfg = optarg; break; case 'D': if (!optarg) { ErrorExit("%s: -D needs an argument", ARGV0); } dir = optarg; break; default: help_remoted(); break; } } /* Check current debug_level * Command line setting takes precedence */ if (debug_level == 0) { /* Get debug level */ debug_level = getDefine_Int("remoted", "debug", 0, 2); while (debug_level != 0) { nowDebug(); debug_level--; } } debug1(STARTED_MSG, ARGV0); /* Return 0 if not configured */ if (RemotedConfig(cfg, &logr) < 0) { ErrorExit(CONFIG_ERROR, ARGV0, cfg); } /* Exit if test_config is set */ if (test_config) { exit(0); } if (logr.conn == NULL) { /* Not configured */ exit(0); } /* Don't exit when client.keys empty (if set) */ if (getDefine_Int("remoted", "pass_empty_keyfile", 0, 1)) { OS_PassEmptyKeyfile(); } /* Check if the user and group given are valid */ uid = Privsep_GetUser(user); gid = Privsep_GetGroup(group); if (uid == (uid_t) - 1 || gid == (gid_t) - 1) { ErrorExit(USER_ERROR, ARGV0, user, group); } /* Setup random */ srandom_init(); /* pid before going daemon */ i = getpid(); if (!run_foreground) { nowDaemon(); goDaemon(); } /* Set new group */ if (Privsep_SetGroup(gid) < 0) { ErrorExit(SETGID_ERROR, ARGV0, group, errno, strerror(errno)); } /* chroot */ if (Privsep_Chroot(dir) < 0) { ErrorExit(CHROOT_ERROR, ARGV0, dir, errno, strerror(errno)); } nowChroot(); /* Start the signal manipulation */ StartSIG(ARGV0); /* Ignore SIGPIPE, it will be detected on recv */ signal(SIGPIPE, SIG_IGN); random(); /* Start up message */ verbose(STARTUP_MSG, ARGV0, (int)getpid()); /* Really start the program */ i = 0; while (logr.conn[i] != 0) { /* Fork for each connection handler */ if (fork() == 0) { /* On the child */ debug1("%s: DEBUG: Forking remoted: '%d'.", ARGV0, i); logr.position = i; HandleRemote(uid); } else { i++; continue; } } return (0); }
int main(int argc, char **argv) { int i = 0,c = 0; int uid = 0, gid = 0; int debug_level = 0; int test_config = 0,run_foreground = 0; char *cfg = DEFAULTCPATH; char *dir = DEFAULTDIR; char *user = REMUSER; char *group = GROUPGLOBAL; /* Setting the name -- must be done ASAP */ OS_SetName(ARGV0); while((c = getopt(argc, argv, "Vdthfu:g:c:D:")) != -1){ switch(c){ case 'V': print_version(); break; case 'h': help_remoted(); break; case 'd': nowDebug(); debug_level = 1; break; case 'f': run_foreground = 1; break; case 'u': 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; break; case 't': test_config = 1; break; case 'c': if (!optarg) ErrorExit("%s: -c need an argument", ARGV0); cfg = optarg; break; case 'D': if(!optarg) ErrorExit("%s: -D needs an argument",ARGV0); dir = optarg; break; default: help_remoted(); break; } } /* Check current debug_level * Command line setting takes precedence */ if (debug_level == 0) { /* Getting debug level */ debug_level = getDefine_Int("remoted", "debug", 0, 2); while(debug_level != 0) { nowDebug(); debug_level--; } } debug1(STARTED_MSG,ARGV0); /* Return 0 if not configured */ if(RemotedConfig(cfg, &logr) < 0) { ErrorExit(CONFIG_ERROR, ARGV0, cfg); } /* Exit if test_config is set */ if(test_config) exit(0); if(logr.conn == NULL) { /* Not configured. */ exit(0); } /* Check if the user and group given are valid */ uid = Privsep_GetUser(user); gid = Privsep_GetGroup(group); if((uid < 0)||(gid < 0)) ErrorExit(USER_ERROR, ARGV0, user, group); /* pid before going daemon */ i = getpid(); if(!run_foreground) { nowDaemon(); goDaemon(); } /* Setting new group */ if(Privsep_SetGroup(gid) < 0) ErrorExit(SETGID_ERROR, ARGV0, group); /* Going on chroot */ if(Privsep_Chroot(dir) < 0) ErrorExit(CHROOT_ERROR,ARGV0,dir); nowChroot(); /* Starting the signal manipulation */ StartSIG(ARGV0); /* Creating some randoness */ #ifdef __OpenBSD__ srandomdev(); #else srandom( time(0) + getpid()+ i); #endif random(); /* Start up message */ verbose(STARTUP_MSG, ARGV0, (int)getpid()); /* Really starting the program. */ i = 0; while(logr.conn[i] != 0) { /* Forking for each connection handler */ if(fork() == 0) { /* On the child */ debug1("%s: DEBUG: Forking remoted: '%d'.",ARGV0, i); HandleRemote(i, uid); } else { i++; continue; } } /* Done over here */ return(0); }