int check_builtin(char *cmd)
{
/* Arguments:
cmd = program to run
Purpose:
this function checks to see if the
cmd specified is a built in command
(in this case only "cd" is built-in)
Returns:
0 -- if the cmd is built in
-1 -- if the cmd is NOT built in
*/
if(!strcmp(cmd,"cd")) {
//command was "cd" which is a builtin, so
//lets handle it
add_nav_history(fullPath);
chdir(args[1]); //change directory to first argument
get_path();
}
else if(cmd[0] == '!') {
//theyre requesting some sort of history
exec_history(cmd); //execute the argument number
}
else if(cmd[0] == '@') {
//requesting nav history
exec_nav_history(cmd);
get_path();
}
else if(!strcmp(cmd,"history")) {
print_history();
}
else if(!strcmp(cmd, "navhist")) {
print_nav_history();
}
else if(!strcmp(cmd,"alias")) {
//trying to set an alias
if(args[1] == NULL) {
//no argument, so just print all
print_aliases();
} else {
add_alias(args[1]);
}
}
else if(!strcmp(cmd,"unalias")) {
//trying to remove an alias (args[1] is what is being removed)
remove_alias(args[1]);
}
else if(!strcmp(cmd,"cinterp")) {
//want to use the C interpreter
//quit raw mode first (will make the cinterp easier)
quit_raw_mode();
cinterp();
tty_raw_mode(); //reenter raw mode
}
else { return -1; }
return 0;
}
/**
* Main routine, start of the program execution.
* \param argc the number of arguments
* \param argv pointer to the arguments array
* \return don't return on sucess, -1 on error
* \see main_loop
*/
int main(int argc, char** argv)
{
/* configure by default logging to syslog */
int cfg_log_stderr = 0;
FILE* cfg_stream;
int c,r;
char *tmp;
int tmp_len;
int port;
int proto;
char *options;
int ret;
unsigned int seed;
int rfd;
/*init*/
ret=-1;
my_argc=argc; my_argv=argv;
/*init pkg mallocs (before parsing cfg or cmd line !)*/
if (init_pkg_mallocs()==-1)
goto error00;
init_route_lists();
/* process command line (get port no, cfg. file path etc) */
opterr=0;
options="f:cCm:b:l:n:N:rRvdDETSVhw:t:u:g:P:G:W:o:";
while((c=getopt(argc,argv,options))!=-1){
switch(c){
case 'f':
cfg_file=optarg;
break;
case 'C':
config_check |= 2;
case 'c':
if (config_check==3)
break;
config_check |= 1;
cfg_log_stderr=1; /* force stderr logging */
break;
case 'm':
shm_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024;
if (tmp &&(*tmp)){
LM_ERR("bad shmem size number: -m %s\n", optarg);
goto error00;
};
break;
case 'b':
maxbuffer=strtol(optarg, &tmp, 10);
if (tmp &&(*tmp)){
LM_ERR("bad max buffer size number: -b %s\n", optarg);
goto error00;
}
break;
case 'l':
if (parse_phostport(optarg, strlen(optarg), &tmp, &tmp_len,
&port, &proto)<0){
LM_ERR("bad -l address specifier: %s\n", optarg);
goto error00;
}
tmp[tmp_len]=0; /* null terminate the host */
/* add a new addr. to our address list */
if (add_listen_iface(tmp, port, proto, 0, 0, 0)!=0){
LM_ERR("failed to add new listen address\n");
goto error00;
}
break;
case 'n':
children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
LM_ERR("bad process number: -n %s\n", optarg);
goto error00;
}
break;
case 'v':
check_via=1;
break;
case 'r':
received_dns|=DO_DNS;
break;
case 'R':
received_dns|=DO_REV_DNS;
case 'd':
#ifdef CHANGEABLE_DEBUG_LEVEL
(*debug)++;
#else
debug++;
#endif
break;
case 'D':
dont_fork=1;
break;
case 'E':
cfg_log_stderr=1;
break;
case 'T':
#ifdef USE_TCP
tcp_disable=1;
#else
LM_WARN("tcp support not compiled in\n");
#endif
break;
case 'S':
#ifdef USE_SCTP
sctp_disable=1;
#else
LM_WARN("sctp support not compiled in\n");
#endif
break;
case 'N':
#ifdef USE_TCP
tcp_children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
LM_ERR("bad process number: -N %s\n", optarg);
goto error00;
}
#else
LM_WARN("tcp support not compiled in\n");
#endif
break;
case 'W':
#ifdef USE_TCP
tcp_poll_method=get_poll_type(optarg);
if (tcp_poll_method==POLL_NONE){
LM_ERR("bad poll method name: -W %s\ntry "
"one of %s.\n", optarg, poll_support);
goto error00;
}
#else
LM_WARN("tcp support not compiled in\n");
#endif
break;
case 'V':
printf("version: %s\n", version);
printf("flags: %s\n", flags );
print_ct_constants();
printf("%s\n",id);
printf("%s compiled on %s with %s\n", __FILE__,
compiled, COMPILER );
exit(0);
break;
case 'h':
printf("version: %s\n", version);
printf("%s",help_msg);
exit(0);
break;
case 'w':
working_dir=optarg;
break;
case 't':
chroot_dir=optarg;
break;
case 'u':
user=optarg;
break;
case 'g':
group=optarg;
break;
case 'P':
pid_file=optarg;
break;
case 'G':
pgid_file=optarg;
break;
case 'o':
if (add_arg_var(optarg) < 0)
LM_ERR("cannot add option %s\n", optarg);
break;
case '?':
if (isprint(optopt))
LM_ERR("Unknown option `-%c`.\n", optopt);
else
LM_ERR("Unknown option character `\\x%x`.\n", optopt);
goto error00;
case ':':
LM_ERR("Option `-%c` requires an argument.\n", optopt);
goto error00;
default:
abort();
}
}
log_stderr = cfg_log_stderr;
/* fill missing arguments with the default values*/
if (cfg_file==0) cfg_file=CFG_FILE;
/* load config file or die */
cfg_stream=fopen (cfg_file, "r");
if (cfg_stream==0){
LM_ERR("loading config file(%s): %s\n", cfg_file,
strerror(errno));
goto error00;
}
/* seed the prng, try to use /dev/urandom if possible */
/* no debugging information is logged, because the standard
log level prior the config file parsing is L_NOTICE */
seed=0;
if ((rfd=open("/dev/urandom", O_RDONLY))!=-1){
try_again:
if (read(rfd, (void*)&seed, sizeof(seed))==-1){
if (errno==EINTR) goto try_again; /* interrupted by signal */
LM_WARN("could not read from /dev/urandom (%d)\n", errno);
}
LM_DBG("initialize the pseudo random generator from "
"/dev/urandom\n");
LM_DBG("read %u from /dev/urandom\n", seed);
close(rfd);
}else{
LM_WARN("could not open /dev/urandom (%d)\n", errno);
LM_WARN("using a unsafe seed for the pseudo random number generator");
}
seed+=getpid()+time(0);
LM_DBG("seeding PRNG with %u\n", seed);
srand(seed);
LM_DBG("test random number %u\n", rand());
/*register builtin modules*/
register_builtin_modules();
#ifdef USE_TLS
/* initialize default TLS domains,
must be done before reading the config */
if (pre_init_tls()<0){
LM_CRIT("could not pre_init_tls, exiting...\n");
goto error00;
}
#endif /* USE_TLS */
if (preinit_black_lists()!=0) {
LM_CRIT("failed to alloc black list's anchor\n");
goto error00;
}
/* parse the config file, prior to this only default values
e.g. for debugging settings will be used */
yyin=cfg_stream;
if ((yyparse()!=0)||(cfg_errors)){
LM_ERR("bad config file (%d errors)\n", cfg_errors);
goto error00;
}
if (config_check>1 && check_rls()!=0) {
LM_ERR("bad function call in config file\n");
return ret;
}
#ifdef EXTRA_DEBUG
print_rl();
#endif
/* init the resolver, before fixing the config */
resolv_init();
/* fix parameters */
if (port_no<=0) port_no=SIP_PORT;
#ifdef USE_TLS
if (tls_port_no<=0) tls_port_no=SIPS_PORT;
#endif
if (children_no<=0) children_no=CHILD_NO;
#ifdef USE_TCP
if (!tcp_disable){
if (tcp_children_no<=0) tcp_children_no=children_no;
}
#endif
if (working_dir==0) working_dir="/";
/* get uid/gid */
if (user){
if (user2uid(&uid, &gid, user)<0){
LM_ERR("bad user name/uid number: -u %s\n", user);
goto error00;
}
}
if (group){
if (group2gid(&gid, group)<0){
LM_ERR("bad group name/gid number: -u %s\n", group);
goto error00;
}
}
if (fix_all_socket_lists()!=0){
LM_ERR("failed to initialize list addresses\n");
goto error00;
}
/* print all the listen addresses */
printf("Listening on \n");
print_all_socket_lists();
printf("Aliases: \n");
/*print_aliases();*/
print_aliases();
printf("\n");
if (dont_fork){
LM_WARN("no fork mode %s\n",
(udp_listen)?(
(udp_listen->next)?" and more than one listen address found"
"(will use only the first one)":""
):"and no udp listen address found" );
}
if (config_check){
LM_NOTICE("config file ok, exiting...\n");
return 0;
}
time(&startup_time);
/*init shm mallocs
* this must be here
* -to allow setting shm mem size from the command line
* => if shm_mem should be settable from the cfg file move
* everything after
* -it must be also before init_timer and init_tcp
* -it must be after we know uid (so that in the SYSV sems case,
* the sems will have the correct euid)
* --andrei */
if (init_shm_mallocs()==-1)
goto error;
/*init timer, before parsing the cfg!*/
if (init_timer()<0){
LM_CRIT("could not initialize timer, exiting...\n");
goto error;
}
#ifdef USE_TCP
if (!tcp_disable){
/*init tcp*/
if (init_tcp()<0){
LM_CRIT("could not initialize tcp, exiting...\n");
goto error;
}
}
#ifdef USE_TLS
if (!tls_disable){
/* init tls*/
if (init_tls()<0){
LM_CRIT("could not initialize tls, exiting...\n");
goto error;
}
}
#endif /* USE_TLS */
#endif /* USE_TCP */
/* init_daemon? */
if (!dont_fork){
if ( daemonize((log_name==0)?argv[0]:log_name, &own_pgid) <0 )
goto error;
}
/* install signal handlers */
if (install_sigs() != 0){
LM_ERR("could not install the signal handlers\n");
goto error;
}
#ifdef CHANGEABLE_DEBUG_LEVEL
#ifdef SHM_MEM
debug=shm_malloc(sizeof(int));
if (debug==0) {
LM_ERR("ERROR: out of memory\n");
goto error;
}
*debug = debug_init;
#else
LM_WARN("no shm mem support compiled -> changeable debug "
"level turned off\n");
#endif
#endif
if (disable_core_dump) set_core_dump(0, 0);
else set_core_dump(1, shm_mem_size+PKG_MEM_POOL_SIZE+4*1024*1024);
if (open_files_limit>0){
if(increase_open_fds(open_files_limit)<0){
LM_ERR("ERROR: error could not increase file limits\n");
goto error;
}
}
/* print OpenSIPS version to log for history tracking */
LM_NOTICE("version: %s\n", version);
/* print some data about the configuration */
#ifdef SHM_MEM
LM_INFO("using %ld Mb shared memory\n", ((shm_mem_size/1024)/1024));
#endif
LM_INFO("using %i Mb private memory per process\n", ((PKG_MEM_POOL_SIZE/1024)/1024));
/* init serial forking engine */
if (init_serialization()!=0) {
LM_ERR("failed to initialize serialization\n");
goto error;
}
/* Init statistics */
if (init_stats_collector()<0) {
LM_ERR("failed to initialize statistics\n");
goto error;
}
/* Init MI */
if (init_mi_core()<0) {
LM_ERR("failed to initialize MI core\n");
goto error;
}
/* init black list engine */
if (init_black_lists()!=0) {
LM_CRIT("failed to init black lists\n");
goto error;
}
/* init resolver's blacklist */
if (resolv_blacklist_init()!=0) {
LM_CRIT("failed to create DNS blacklist\n");
goto error;
}
/* init modules */
if (init_modules() != 0) {
LM_ERR("error while initializing modules\n");
goto error;
}
/* register route timers */
if(register_route_timers() < 0) {
LM_ERR("Failed to register timer\n");
goto error;
}
/* check pv context list */
if(pv_contextlist_check() != 0) {
LM_ERR("used pv context that was not defined\n");
goto error;
}
/* init multi processes support */
if (init_multi_proc_support()!=0) {
LM_ERR("failed to init multi-proc support\n");
goto error;
}
#ifdef PKG_MALLOC
/* init stats support for pkg mem */
if (init_pkg_stats(counted_processes)!=0) {
LM_ERR("failed to init stats for pkg\n");
goto error;
}
#endif
/* fix routing lists */
if ( (r=fix_rls())!=0){
LM_ERR("failed to fix configuration with err code %d\n", r);
goto error;
};
ret=main_loop();
error:
/*kill everything*/
kill_all_children(SIGTERM);
/*clean-up*/
cleanup(0);
error00:
return ret;
}
int main(int argc, char *argv[])
{
int first,i;
char* f;
group_t* group;
int sh_override = -1;
int list_packages = 0;
for (i=1; i<argc && *argv[i] == '-'; i++)
{
for (f=argv[i]+1; *f; f++)
switch (*f)
{
case 'v':
debugging = 1;
silent = 0;
break;
case 's':
debugging = 0;
silent = 1;
break;
case 'c':
sh_override = 1;
break;
case 'b':
sh_override = 0;
break;
case 'f':
main_package_filename = argv[++i];
break;
case 'l':
list_packages = 1;
break;
default:
fprintf(stderr, "usepackage: unrecognised flag '%c'\n", *f);
exit(1);
}
}
if (!list_packages && (i >= argc))
{
fprintf(stderr, "\n%s %s, %s\n", PACKAGE_NAME, PACKAGE_VERSION, COPYRIGHT);
fprintf(stderr, "Bug reports and comments to: %s\n", PACKAGE_BUGREPORT);
fprintf(stderr, "usage: use [-vs] [-f <file>] <package> [<package>...]\n");
fprintf(stderr, " use -l\n\n");
fprintf(stderr, " -v : verbose\n");
fprintf(stderr, " -s : silence match warnings\n");
fprintf(stderr, " -f : use <file> as main packages file\n");
fprintf(stderr, " -l : list available packages\n\n");
exit(1);
}
DEBUG(stderr, "%s\n", PACKAGE_NAME);
DEBUG(stderr, "Version: %s\n", PACKAGE_VERSION);
DEBUG(stderr, "%s\n", COPYRIGHT);
uname(&the_host_info);
DEBUG(stderr, "host: %s\n", the_host_info.nodename);
DEBUG(stderr, "operating system: %s %s\n", the_host_info.sysname,
the_host_info.release);
DEBUG(stderr, "architecture: %s\n", the_host_info.machine);
the_shell = get_user_shell();
DEBUG(stderr, "shell: %s\n", the_shell);
if (sh_override != -1)
csh_user = sh_override;
else
csh_user = ((!strcmp(the_shell, "csh")) || (!strcmp(the_shell, "tcsh")));
the_environment = new_list();
the_scripts = new_list();
the_aliases = new_list();
if (get_packages(&the_packages, &the_groups, &the_annotations))
{
fprintf(stderr, "usepackage: couldn't load package information.\n");
exit(2);
}
if (list_packages)
{
fprintf(stderr, "\nusepackage %s, %s\n\n", VERSION, COPYRIGHT);
fprintf(stderr, "Available packages are:\n\n");
list_annotations();
fprintf(stderr, "\nAvailable groups are:\n\n");
list_groups();
fprintf(stderr, "\n");
exit(0);
}
for (first = i, i = argc - 1 ; i >= first ; i--)
{
if ((group = get_group(argv[i])))
use_group(group);
else
use_package(argv[i]);
}
print_env();
print_scripts();
print_aliases();
return(0);
}
int main(int argc, char** argv)
{
FILE* cfg_stream;
int c,r;
char *tmp;
int tmp_len;
int port;
int proto;
char *options;
int ret;
unsigned int seed;
int rfd;
/*init*/
ret=-1;
my_argc=argc; my_argv=argv;
/*init pkg mallocs (before parsing cfg or cmd line !)*/
if (init_pkg_mallocs()==-1)
goto error;
#ifdef DBG_MSG_QA
fprintf(stderr, "WARNING: ser startup: "
"DBG_MSG_QA enabled, ser may exit abruptly\n");
#endif
/* process command line (get port no, cfg. file path etc) */
opterr=0;
options=
#ifdef STATS
"s:"
#endif
"f:cm:b:l:n:N:rRvdDETVhw:t:u:g:P:G:i:x:";
while((c=getopt(argc,argv,options))!=-1){
switch(c){
case 'f':
cfg_file=optarg;
break;
case 'c':
config_check=1;
log_stderr=1; /* force stderr logging */
break;
case 's':
#ifdef STATS
stat_file=optarg;
#endif
break;
case 'm':
shm_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024;
if (tmp &&(*tmp)){
fprintf(stderr, "bad shmem size number: -m %s\n",
optarg);
goto error;
};
LOG(L_INFO, "ser: shared memory: %ld bytes\n",
shm_mem_size );
break;
case 'b':
maxbuffer=strtol(optarg, &tmp, 10);
if (tmp &&(*tmp)){
fprintf(stderr, "bad max buffer size number: -p %s\n",
optarg);
goto error;
}
break;
case 'l':
if (parse_phostport(optarg, &tmp, &tmp_len,
&port, &proto)<0){
fprintf(stderr, "bad -l address specifier: %s\n",
optarg);
goto error;
}
tmp[tmp_len]=0; /* null terminate the host */
/* add a new addr. to our address list */
if (add_listen_iface(tmp, port, proto, 0)!=0){
fprintf(stderr, "failed to add new listen address\n");
goto error;
}
break;
case 'n':
children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
fprintf(stderr, "bad process number: -n %s\n",
optarg);
goto error;
}
break;
case 'v':
check_via=1;
break;
case 'r':
received_dns|=DO_DNS;
break;
case 'R':
received_dns|=DO_REV_DNS;
case 'd':
debug++;
break;
case 'D':
dont_fork=1;
break;
case 'E':
log_stderr=1;
break;
case 'T':
#ifdef USE_TCP
tcp_disable=1;
#else
fprintf(stderr,"WARNING: tcp support not compiled in\n");
#endif
break;
case 'N':
#ifdef USE_TCP
tcp_children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
fprintf(stderr, "bad process number: -N %s\n",
optarg);
goto error;
}
#else
fprintf(stderr,"WARNING: tcp support not compiled in\n");
#endif
break;
case 'V':
printf("version: %s\n", version);
printf("flags: %s\n", flags );
print_ct_constants();
printf("%s\n",id);
printf("%s compiled on %s with %s\n", __FILE__,
compiled, COMPILER );
exit(0);
break;
case 'h':
printf("version: %s\n", version);
printf("%s",help_msg);
exit(0);
break;
case 'w':
working_dir=optarg;
break;
case 't':
chroot_dir=optarg;
break;
case 'u':
user=optarg;
break;
case 'g':
group=optarg;
break;
case 'P':
pid_file=optarg;
break;
case 'G':
pgid_file=optarg;
break;
case 'i':
fifo=optarg;
break;
case 'x':
unixsock_name=optarg;
break;
case '?':
if (isprint(optopt))
fprintf(stderr, "Unknown option `-%c´.\n", optopt);
else
fprintf(stderr,
"Unknown option character `\\x%x´.\n",
optopt);
goto error;
case ':':
fprintf(stderr,
"Option `-%c´ requires an argument.\n",
optopt);
goto error;
default:
abort();
}
}
/* fill missing arguments with the default values*/
if (cfg_file==0) cfg_file=CFG_FILE;
/* load config file or die */
cfg_stream=fopen (cfg_file, "r");
if (cfg_stream==0){
fprintf(stderr, "ERROR: loading config file(%s): %s\n", cfg_file,
strerror(errno));
goto error;
}
/* seed the prng */
/* try to use /dev/urandom if possible */
seed=0;
if ((rfd=open("/dev/urandom", O_RDONLY))!=-1){
try_again:
if (read(rfd, (void*)&seed, sizeof(seed))==-1){
if (errno==EINTR) goto try_again; /* interrupted by signal */
LOG(L_WARN, "WARNING: could not read from /dev/urandom (%d)\n",
errno);
}
DBG("read %u from /dev/urandom\n", seed);
close(rfd);
}else{
LOG(L_WARN, "WARNING: could not open /dev/urandom (%d)\n", errno);
}
seed+=getpid()+time(0);
DBG("seeding PRNG with %u\n", seed);
srand(seed);
DBG("test random number %u\n", rand());
/* register a diagnostic FIFO command - moved to fifo server - bogdan
if (register_core_fifo()<0) {
LOG(L_CRIT, "unable to register core FIFO commands\n");
goto error;
}*/
/*register builtin modules*/
register_builtin_modules();
yyin=cfg_stream;
if ((yyparse()!=0)||(cfg_errors)){
fprintf(stderr, "ERROR: bad config file (%d errors)\n", cfg_errors);
goto error;
}
print_rl();
/* fix parameters */
if (port_no<=0) port_no=SIP_PORT;
#ifdef USE_TLS
if (tls_port_no<=0) tls_port_no=SIPS_PORT;
#endif
if (children_no<=0) children_no=CHILD_NO;
#ifdef USE_TCP
if (!tcp_disable){
if (tcp_children_no<=0) tcp_children_no=children_no;
}
#endif
if (working_dir==0) working_dir="/";
/* get uid/gid */
if (user){
if (user2uid(&uid, &gid, user)<0){
fprintf(stderr, "bad user name/uid number: -u %s\n", user);
goto error;
}
}
if (group){
if (group2gid(&gid, group)<0){
fprintf(stderr, "bad group name/gid number: -u %s\n", group);
goto error;
}
}
/* fix sock/fifo uid/gid */
if (sock_user){
if (user2uid(&sock_uid, 0, sock_user)<0){
fprintf(stderr, "bad socket user name/uid number %s\n", user);
goto error;
}
}
if (sock_group){
if (group2gid(&sock_gid, sock_group)<0){
fprintf(stderr, "bad group name/gid number: -u %s\n", group);
goto error;
}
}
if (fix_all_socket_lists()!=0){
fprintf(stderr, "failed to initialize list addresses\n");
goto error;
}
/* print all the listen addresses */
printf("Listening on \n");
print_all_socket_lists();
printf("Aliases: \n");
/*print_aliases();*/
print_aliases();
printf("\n");
if (dont_fork){
fprintf(stderr, "WARNING: no fork mode %s\n",
(udp_listen)?(
(udp_listen->next)?" and more than one listen address found"
"(will use only the the first one)":""
):"and no udp listen address found" );
}
if (config_check){
fprintf(stderr, "config file ok, exiting...\n");
goto error;
}
/*init shm mallocs
* this must be here
* -to allow setting shm mem size from the command line
* => if shm_mem should be settable from the cfg file move
* everything after
* -it must be also before init_timer and init_tcp
* -it must be after we know uid (so that in the SYSV sems case,
* the sems will have the correct euid)
* --andrei */
if (init_shm_mallocs()==-1)
goto error;
/*init timer, before parsing the cfg!*/
if (init_timer()<0){
LOG(L_CRIT, "could not initialize timer, exiting...\n");
goto error;
}
#ifdef USE_TCP
if (!tcp_disable){
/*init tcp*/
if (init_tcp()<0){
LOG(L_CRIT, "could not initialize tcp, exiting...\n");
goto error;
}
}
#ifdef USE_TLS
if (!tls_disable){
/* init tls*/
if (init_tls()<0){
LOG(L_CRIT, "could not initialize tls, exiting...\n");
goto error;
}
}
#endif /* USE_TLS */
#endif /* USE_TCP */
/* init_daemon? */
if (!dont_fork){
if ( daemonize(argv[0]) <0 ) goto error;
}
if (install_sigs() != 0){
fprintf(stderr, "ERROR: could not install the signal handlers\n");
goto error;
}
/*alloc pids*/
#ifdef SHM_MEM
pt=shm_malloc(sizeof(struct process_table)*process_count());
#else
pt=pkg_malloc(sizeof(struct process_table)*process_count());
#endif
if (pt==0){
fprintf(stderr, "ERROR: out of memory\n");
goto error;
}
memset(pt, 0, sizeof(struct process_table)*process_count());
if (disable_core_dump) set_core_dump(0, 0);
else set_core_dump(1, shm_mem_size+PKG_MEM_POOL_SIZE+4*1024*1024);
if (open_files_limit>0){
if(increase_open_fds(open_files_limit)<0){
fprintf(stderr, "ERROR: error could not increase file limits\n");
goto error;
}
}
if (init_modules() != 0) {
fprintf(stderr, "ERROR: error while initializing modules\n");
goto error;
}
/* fix routing lists */
if ( (r=fix_rls())!=0){
fprintf(stderr, "ERROR: error %d while trying to fix configuration\n",
r);
goto error;
};
#ifdef STATS
if (init_stats( dont_fork ? 1 : children_no )==-1) goto error;
#endif
ret=main_loop();
/*kill everything*/
kill_all_children(SIGTERM);
/*clean-up*/
cleanup(0);
return ret;
error:
/*kill everything*/
kill_all_children(SIGTERM);
/*clean-up*/
cleanup(0);
return -1;
}
/**
* Prints results.
**/
static void
print_results(const char *fname,
EncaAnalyser an,
EncaEncoding result,
int gerrno)
{
char *s;
EncaSurface surf = result.surface
& ~enca_charset_natural_surface(result.charset);
if (options.prefix_filename)
printf("%s: ", ffname_r(fname));
switch (options.output_type) {
case OTYPE_ALIASES:
print_aliases(result.charset);
break;
case OTYPE_CANON:
if (surf) {
s = enca_get_surface_name(surf, ENCA_NAME_STYLE_ENCA);
fputs(enca_charset_name(result.charset, ENCA_NAME_STYLE_ENCA), stdout);
puts(s);
enca_free(s);
}
else
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_ENCA));
break;
case OTYPE_HUMAN:
case OTYPE_DETAILS:
if (surf) {
s = enca_get_surface_name(surf, ENCA_NAME_STYLE_HUMAN);
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_HUMAN));
indent_surface(s);
enca_free(s);
}
else
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_HUMAN));
break;
case OTYPE_RFC1345:
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_RFC1345));
break;
case OTYPE_CS2CS:
if (enca_charset_name(result.charset, ENCA_NAME_STYLE_CSTOCS) != NULL)
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_CSTOCS));
else
puts(enca_charset_name(ENCA_CS_UNKNOWN, ENCA_NAME_STYLE_CSTOCS));
break;
case OTYPE_ICONV:
if (enca_charset_name(result.charset, ENCA_NAME_STYLE_ICONV) != NULL)
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_ICONV));
else
puts(enca_charset_name(ENCA_CS_UNKNOWN, ENCA_NAME_STYLE_ICONV));
break;
case OTYPE_MIME:
if (enca_charset_name(result.charset, ENCA_NAME_STYLE_MIME) != NULL)
puts(enca_charset_name(result.charset, ENCA_NAME_STYLE_MIME));
else
puts(enca_charset_name(ENCA_CS_UNKNOWN, ENCA_NAME_STYLE_MIME));
break;
default:
abort();
break;
}
if (gerrno && options.output_type == OTYPE_DETAILS) {
printf(" Failure reason: %s.\n", enca_strerror(an, gerrno));
}
}
/**
* Main routine, start of the program execution.
* \param argc the number of arguments
* \param argv pointer to the arguments array
* \return don't return on sucess, -1 on error
* \see main_loop
*/
int main(int argc, char** argv)
{
/* configure by default logging to syslog */
int cfg_log_stderr = 0;
FILE* cfg_stream;
int c,r;
char *tmp;
int tmp_len;
int port;
int proto;
char *options;
int ret;
unsigned int seed;
int rfd;
/*init*/
ret=-1;
my_argc=argc; my_argv=argv;
/* process pkg mem size from command line */
opterr=0;
options="f:cCm:M:b:l:n:N:rRvdDFETSVhw:t:u:g:P:G:W:o:";
while((c=getopt(argc,argv,options))!=-1){
switch(c){
case 'M':
pkg_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024;
if (tmp &&(*tmp)){
LM_ERR("bad pkgmem size number: -m %s\n", optarg);
goto error00;
};
break;
}
}
/*init pkg mallocs (before parsing cfg but after parsing cmd line !)*/
if (init_pkg_mallocs()==-1)
goto error00;
init_route_lists();
/* process command line (get port no, cfg. file path etc) */
/* first reset getopt */
optind = 1;
while((c=getopt(argc,argv,options))!=-1){
switch(c){
case 'f':
cfg_file=optarg;
break;
case 'C':
config_check |= 2;
case 'c':
if (config_check==3)
break;
config_check |= 1;
cfg_log_stderr=1; /* force stderr logging */
break;
case 'm':
shm_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024;
if (tmp &&(*tmp)){
LM_ERR("bad shmem size number: -m %s\n", optarg);
goto error00;
};
break;
case 'M':
/* ignoring it, parsed previously */
break;
case 'b':
maxbuffer=strtol(optarg, &tmp, 10);
if (tmp &&(*tmp)){
LM_ERR("bad max buffer size number: -b %s\n", optarg);
goto error00;
}
break;
case 'l':
if (parse_phostport(optarg, strlen(optarg), &tmp, &tmp_len,
&port, &proto)<0){
LM_ERR("bad -l address specifier: %s\n", optarg);
goto error00;
}
tmp[tmp_len]=0; /* null terminate the host */
/* add a new addr. to our address list */
if (add_cmd_listener(tmp, port, proto)!=0){
LM_ERR("failed to add new listen address\n");
goto error00;
}
break;
case 'n':
children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
LM_ERR("bad process number: -n %s\n", optarg);
goto error00;
}
break;
case 'v':
check_via=1;
break;
case 'r':
received_dns|=DO_DNS;
break;
case 'R':
received_dns|=DO_REV_DNS;
break;
case 'd':
(*debug)++;
break;
case 'D':
dont_fork=1;
break;
case 'F':
no_daemon_mode=1;
break;
case 'E':
cfg_log_stderr=1;
break;
case 'N':
tcp_children_no=strtol(optarg, &tmp, 10);
if ((tmp==0) ||(*tmp)){
LM_ERR("bad process number: -N %s\n", optarg);
goto error00;
}
break;
case 'W':
io_poll_method=get_poll_type(optarg);
if (io_poll_method==POLL_NONE){
LM_ERR("bad poll method name: -W %s\ntry "
"one of %s.\n", optarg, poll_support);
goto error00;
}
break;
case 'V':
printf("version: %s\n", version);
printf("flags: %s\n", flags );
print_ct_constants();
printf("%s compiled on %s with %s\n", __FILE__,
compiled, COMPILER );
exit(0);
break;
case 'h':
printf("version: %s\n", version);
printf("%s",help_msg);
exit(0);
break;
case 'w':
working_dir=optarg;
break;
case 't':
chroot_dir=optarg;
break;
case 'u':
user=optarg;
break;
case 'g':
group=optarg;
break;
case 'P':
pid_file=optarg;
break;
case 'G':
pgid_file=optarg;
break;
case 'o':
if (add_arg_var(optarg) < 0)
LM_ERR("cannot add option %s\n", optarg);
break;
case '?':
if (isprint(optopt))
LM_ERR("Unknown option `-%c`.\n", optopt);
else
LM_ERR("Unknown option character `\\x%x`.\n", optopt);
goto error00;
case ':':
LM_ERR("Option `-%c` requires an argument.\n", optopt);
goto error00;
default:
abort();
}
}
log_stderr = cfg_log_stderr;
/* fill missing arguments with the default values*/
if (cfg_file==0) cfg_file=CFG_FILE;
/* load config file or die */
cfg_stream=fopen (cfg_file, "r");
if (cfg_stream==0){
LM_ERR("loading config file(%s): %s\n", cfg_file,
strerror(errno));
goto error00;
}
/* seed the prng, try to use /dev/urandom if possible */
/* no debugging information is logged, because the standard
log level prior the config file parsing is L_NOTICE */
seed=0;
if ((rfd=open("/dev/urandom", O_RDONLY))!=-1){
try_again:
if (read(rfd, (void*)&seed, sizeof(seed))==-1){
if (errno==EINTR) goto try_again; /* interrupted by signal */
LM_WARN("could not read from /dev/urandom (%d)\n", errno);
}
LM_DBG("initialize the pseudo random generator from "
"/dev/urandom\n");
LM_DBG("read %u from /dev/urandom\n", seed);
close(rfd);
}else{
LM_WARN("could not open /dev/urandom (%d)\n", errno);
LM_WARN("using a unsafe seed for the pseudo random number generator");
}
seed+=getpid()+time(0);
LM_DBG("seeding PRNG with %u\n", seed);
srand(seed);
LM_DBG("test random number %u\n", rand());
/*register builtin modules*/
register_builtin_modules();
/* init avps */
if (init_global_avps() != 0) {
LM_ERR("error while initializing avps\n");
goto error;
}
/* used for parser debugging */
#ifdef DEBUG_PARSER
yydebug = 1;
#endif
/*
* initializes transport interfaces - we initialize them here because we
* can have listening interfaces declared in the command line
*/
if (trans_init() < 0) {
LM_ERR("cannot initialize transport interface\n");
goto error;
}
/* get uid/gid */
if (user){
if (user2uid(&uid, &gid, user)<0){
LM_ERR("bad user name/uid number: -u %s\n", user);
goto error00;
}
}
if (group){
if (group2gid(&gid, group)<0){
LM_ERR("bad group name/gid number: -u %s\n", group);
goto error00;
}
}
/*init shm mallocs
* this must be here
* -to allow setting shm mem size from the command line
* -it must be also before init_timer and init_tcp
* -it must be after we know uid (so that in the SYSV sems case,
* the sems will have the correct euid)
* --andrei */
if (init_shm_mallocs()==-1)
goto error;
if (init_stats_collector() < 0) {
LM_ERR("failed to initialize statistics\n");
goto error;
}
/* parse the config file, prior to this only default values
e.g. for debugging settings will be used */
yyin=cfg_stream;
if ((yyparse()!=0)||(cfg_errors)){
LM_ERR("bad config file (%d errors)\n", cfg_errors);
goto error00;
}
if (config_check>1 && check_rls()!=0) {
LM_ERR("bad function call in config file\n");
return ret;
}
if (solve_module_dependencies(modules) != 0) {
LM_ERR("failed to solve module dependencies\n");
return -1;
}
#ifdef EXTRA_DEBUG
print_rl();
#endif
if (no_daemon_mode+dont_fork > 1) {
LM_ERR("cannot use -D (fork=no) and -F together\n");
return ret;
}
/* init the resolver, before fixing the config */
resolv_init();
fix_poll_method( &io_poll_method );
/* fix temporary listeners added in the cmd line */
if (fix_cmd_listeners() < 0) {
LM_ERR("cannot add temproray listeners\n");
return ret;
}
/* load transport protocols */
if (trans_load() < 0) {
LM_ERR("cannot load transport protocols\n");
goto error;
}
/* fix parameters */
if (working_dir==0) working_dir="/";
if (fix_all_socket_lists()!=0){
LM_ERR("failed to initialize list addresses\n");
goto error00;
}
/* print all the listen addresses */
printf("Listening on \n");
print_all_socket_lists();
printf("Aliases: \n");
/*print_aliases();*/
print_aliases();
printf("\n");
if (dont_fork){
LM_WARN("no fork mode %s\n",
(protos[PROTO_UDP].listeners)?(
(protos[PROTO_UDP].listeners->next)?" and more than one listen"
" address found(will use only the first one)":""
):"and no udp listen address found" );
}
if (config_check){
LM_NOTICE("config file ok, exiting...\n");
return 0;
}
time(&startup_time);
/* Init statistics */
init_shm_statistics();
/*init UDP networking layer*/
if (udp_init()<0){
LM_CRIT("could not initialize tcp, exiting...\n");
goto error;
}
/*init TCP networking layer*/
if (tcp_init()<0){
LM_CRIT("could not initialize tcp, exiting...\n");
goto error;
}
/* init_daemon? */
if (!dont_fork){
if ( daemonize((log_name==0)?argv[0]:log_name, &own_pgid) <0 )
goto error;
}
/* install signal handlers */
if (install_sigs() != 0){
LM_ERR("could not install the signal handlers\n");
goto error;
}
if (disable_core_dump) set_core_dump(0, 0);
else set_core_dump(1, shm_mem_size+pkg_mem_size+4*1024*1024);
if (open_files_limit>0){
if(increase_open_fds(open_files_limit)<0){
LM_ERR("ERROR: error could not increase file limits\n");
goto error;
}
}
/* print OpenSIPS version to log for history tracking */
LM_NOTICE("version: %s\n", version);
/* print some data about the configuration */
LM_INFO("using %ld Mb shared memory\n", ((shm_mem_size/1024)/1024));
LM_INFO("using %ld Mb private memory per process\n",
((pkg_mem_size/1024)/1024));
/* init timer */
if (init_timer()<0){
LM_CRIT("could not initialize timer, exiting...\n");
goto error;
}
/* init serial forking engine */
if (init_serialization()!=0) {
LM_ERR("failed to initialize serialization\n");
goto error;
}
/* Init MI */
if (init_mi_core()<0) {
LM_ERR("failed to initialize MI core\n");
goto error;
}
/* Register core events */
if (evi_register_core() != 0) {
LM_ERR("failed register core events\n");
goto error;
}
/* init black list engine */
if (init_black_lists()!=0) {
LM_CRIT("failed to init blacklists\n");
goto error;
}
/* init resolver's blacklist */
if (resolv_blacklist_init()!=0) {
LM_CRIT("failed to create DNS blacklist\n");
goto error;
}
/* init modules */
if (init_modules() != 0) {
LM_ERR("error while initializing modules\n");
goto error;
}
/* register route timers */
if(register_route_timers() < 0) {
LM_ERR("Failed to register timer\n");
goto error;
}
/* check pv context list */
if(pv_contextlist_check() != 0) {
LM_ERR("used pv context that was not defined\n");
goto error;
}
/* init query list now in shm
* so all processes that will be forked from now on
* will have access to it
*
* if it fails, give it a try and carry on */
if (init_ql_support() != 0) {
LM_ERR("failed to initialise buffering query list\n");
query_buffer_size = 0;
*query_list = NULL;
}
/* init multi processes support */
if (init_multi_proc_support()!=0) {
LM_ERR("failed to init multi-proc support\n");
goto error;
}
#ifdef PKG_MALLOC
/* init stats support for pkg mem */
if (init_pkg_stats(counted_processes)!=0) {
LM_ERR("failed to init stats for pkg\n");
goto error;
}
#endif
/* init avps */
if (init_extra_avps() != 0) {
LM_ERR("error while initializing avps\n");
goto error;
}
/* fix routing lists */
if ( (r=fix_rls())!=0){
LM_ERR("failed to fix configuration with err code %d\n", r);
goto error;
};
ret=main_loop();
error:
/*kill everything*/
kill_all_children(SIGTERM);
/*clean-up*/
cleanup(0);
error00:
return ret;
}