void
ni_prop_free(
ni_property *prop
)
{
ni_name_free(&prop->nip_name);
ni_namelist_free(&prop->nip_val);
}
static ni_status
start_service(ni_name tag)
{
ni_name master;
ni_name mastertag;
ni_status status;
ni_name dbname;
struct in_addr inaddr;
system_log(LOG_DEBUG, "directory cleanup");
dir_cleanup(tag);
dir_getnames(tag, &dbname, NULL, NULL);
system_log(LOG_DEBUG, "initializing server");
status = ni_init(dbname, &db_ni);
ni_name_free(&dbname);
if (status != NI_OK)
{
system_log(LOG_ERR, "ni_init failed: %s", ni_error(status));
return (status);
}
system_log(LOG_DEBUG, "checksum = %u", ni_getchecksum(db_ni));
/* "local" is never a clone */
if (strcmp(tag, "local"))
{
if (getmaster(db_ni, &master, &mastertag))
{
inaddr.s_addr = getaddress(db_ni, master);
if (!sys_is_my_address(&inaddr)) i_am_clone++;
if (!ni_name_match(tag, mastertag)) i_am_clone++;
ni_name_free(&master);
ni_name_free(&mastertag);
}
}
if (forcedIsRoot == 0)
forcedIsRoot = get_forced_root(db_ni);
system_log(LOG_DEBUG, "registering tag %s", tag);
status = register_it(tag);
return (status);
}
void
ni_namelist_delete(
ni_namelist *nl,
ni_index which
)
{
int i;
ni_name_free(&nl->ninl_val[which]);
for (i = (int)which + 1; i < nl-> ninl_len; i++) {
nl->ninl_val[i - 1] = nl->ninl_val[i];
}
MM_SHRINK_ARRAY(nl->ninl_val, nl->ninl_len--);
}
void
ni_namelist_free(
ni_namelist *nl
)
{
ni_index i;
if (nl->ninl_val == NULL) {
return;
}
for (i = 0; i < nl->ninl_len; i++) {
ni_name_free(&nl->ninl_val[i]);
}
MM_FREE_ARRAY(nl->ninl_val, nl->ninl_len);
NI_INIT(nl);
}
int
main(int argc, char *argv[])
{
SVCXPRT *utransp, *ttransp;
struct sockaddr_in addr;
DIR *dp;
struct direct *d;
ni_name tag = NULL;
ni_namelist nl;
ni_index i;
int pid, localonly, nctoken = -1;
int log_pri = LOG_NOTICE;
struct rlimit rlim;
char *netinfod_argv[16]; /* XXX */
int netinfod_argc, x;
union wait wait_stat;
pid_t child_pid;
char *pri;
#ifdef _UNIX_BSD_43_
int ttyfd;
#endif
localonly = 1;
netinfod_argc = 0;
netinfod_argv[netinfod_argc++] = (char *)NETINFO_PROG;
debug = 0;
for (i = 1; i < argc; i++)
{
if (!strcmp(argv[i], "-n"))
{
netinfod_argv[netinfod_argc++] = argv[i];
}
if (!strcmp(argv[i], "-d"))
{
debug = 1;
log_pri = LOG_DEBUG;
if ((argc > (i+1)) && (argv[i+1][0] != '-'))
debug = atoi(argv[++i]);
}
if (!strcmp(argv[i], "-l"))
{
if ((argc > (i+1)) && (argv[i+1][0] != '-'))
log_pri = atoi(argv[++i]);
}
if (!strcmp(argv[i], "-D"))
{
netinfod_argv[netinfod_argc++] = "-d";
if ((argc > (i+1)) && (argv[i+1][0] != '-'))
{
netinfod_argv[netinfod_argc++] = argv[i];
}
}
if (!strcmp(argv[i], "-L"))
{
netinfod_argv[netinfod_argc++] = "-l";
if ((argc > (i+1)) && (argv[i+1][0] != '-'))
{
netinfod_argv[netinfod_argc++] = argv[i];
}
else
{
pri = malloc(sizeof("999"));
sprintf(pri, "%d", LOG_DEBUG);
netinfod_argv[netinfod_argc++] = pri;
}
}
}
if (debug == 1)
{
system_log_open("nibindd", LOG_NDELAY | LOG_PID, LOG_NETINFO, stderr);
system_log_set_max_priority(log_pri);
system_log(LOG_DEBUG, "version %s - debug mode\n", _PROJECT_VERSION_);
}
else
{
closeall();
system_log_open("nibindd", LOG_NDELAY | LOG_PID, LOG_NETINFO, NULL);
system_log_set_max_priority(log_pri);
system_log(LOG_DEBUG, "version %s - starting\n", _PROJECT_VERSION_);
child_pid = fork();
if (child_pid == -1)
{
system_log(LOG_ALERT, "fork() failed: %m, aborting");
system_log_close();
exit(1);
}
else if (child_pid > 0)
{
signal(SIGTERM, parentexit);
system_log(LOG_DEBUG, "parent waiting for child to start");
wait4(child_pid, (_WAIT_TYPE_ *)&wait_stat, 0, 0);
if (WIFEXITED(wait_stat))
{
system_log(LOG_DEBUG,
"unexpected child exit, status=%d",
WEXITSTATUS(wait_stat));
}
else
{
system_log(LOG_DEBUG,
"unexpected child exit, received signal=%d",
WTERMSIG(wait_stat));
}
system_log_close();
exit(1);
}
}
restart = 0;
rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
setrlimit(RLIMIT_CORE, &rlim);
signal(SIGCHLD, catchchild);
signal(SIGTERM, killchildren);
signal(SIGHUP, catchhup);
signal(SIGINT, SIG_IGN);
notify_register_signal(NETWORK_CHANGE_NOTIFICATION, SIGHUP, &nctoken);
writepid();
/*
* cd to netinfo directory, find out which databases should
* be served and lock the directory before registering service.
*/
if (chdir(NETINFO_DIR) < 0)
{
killparent();
system_log(LOG_ALERT, "cannot chdir to netinfo directory");
exit(1);
}
dp = opendir(NETINFO_DIR);
if (dp == NULL)
{
killparent();
system_log(LOG_ALERT, "cannot open netinfo directory");
exit(1);
}
MM_ZERO(&nl);
while ((d = readdir(dp)))
{
if (isnidir(d->d_name, &tag))
{
if (ni_namelist_match(nl, tag) == NI_INDEX_NULL)
{
system_log(LOG_DEBUG, "found database: %s", tag);
ni_namelist_insert(&nl, tag, NI_INDEX_NULL);
if (strcmp(tag, "local")) localonly = 0;
}
ni_name_free(&tag);
}
}
#ifdef _NETINFO_FLOCK_
/*
* Do not close the directory: keep it locked so another nibindd
* won't run.
*/
if (flock(dp->dd_fd, LOCK_EX|LOCK_NB) < 0)
{
killparent();
system_log(LOG_ALERT, "nibindd already running");
exit(1);
}
fcntl(dp->dd_fd, F_SETFD, 1);
#else
closedir(dp);
#endif
/*
* Register as a SUNRPC service
*/
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
if (localonly == 1) addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
pmap_unset(NIBIND_PROG, NIBIND_VERS);
utransp = svcudp_bind(RPC_ANYSOCK, addr);
if (utransp == NULL)
{
killparent();
system_log(LOG_ALERT, "cannot start udp service");
exit(1);
}
if (!svc_register(utransp, NIBIND_PROG, NIBIND_VERS, nibind_prog_1, IPPROTO_UDP))
{
killparent();
system_log(LOG_ALERT, "cannot register udp service");
exit(1);
}
udp_sock = utransp->xp_sock;
ttransp = svctcp_bind(RPC_ANYSOCK, addr, 0, 0);
if (ttransp == NULL)
{
killparent();
system_log(LOG_ALERT, "cannot start tcp service");
exit(1);
}
if (!svc_register(ttransp, NIBIND_PROG, NIBIND_VERS, nibind_prog_1, IPPROTO_TCP))
{
killparent();
system_log(LOG_ALERT, "cannot register tcp service");
exit(1);
}
waitreg = 0;
for (i = 0; i < nl.ninl_len; i++)
{
netinfod_argv[netinfod_argc] = nl.ninl_val[i];
netinfod_argv[netinfod_argc + 1] = NULL;
system_log(LOG_DEBUG, "starting netinfod %s", nl.ninl_val[i]);
system_log(LOG_DEBUG, "execv debug 0: %s", NETINFO_PROG);
for (x = 0; netinfod_argv[x] != NULL; x++)
{
system_log(LOG_DEBUG, "execv debug %d: %s", x, netinfod_argv[x]);
}
pid = fork();
if (pid == 0)
{
/* child */
execv(NETINFO_PROG, netinfod_argv);
exit(-1);
}
#ifdef DEBUG
system_log(LOG_DEBUG, "netinfod %s pid = %d", nl.ninl_val[i], pid);
#endif
if (pid > 0)
{
waitreg++;
storepid(pid, nl.ninl_val[i]);
}
else
{
system_log(LOG_ERR, "server for tag %s failed to start", nl.ninl_val[i]);
}
}
ni_namelist_free(&nl);
/*
* Detach from controlling tty.
* Do this AFTER starting netinfod so "type c to continue..." works.
*/
#ifdef _UNIX_BSD_43_
ttyfd = open("/dev/tty", O_RDWR, 0);
if (ttyfd > 0)
{
ioctl(ttyfd, TIOCNOTTY, NULL);
close(ttyfd);
}
setpgrp(0, getpid());
#else
if (setsid() < 0) syslog(LOG_ERR, "nibindd: setsid() failed: %m");
#endif
system_log(LOG_DEBUG, "starting RPC service");
nibind_svc_run();
system_log(LOG_ALERT, "svc_run returned");
system_log_close();
exit(1);
}
