void dare_server_shutdown()
{
dare_ib_srv_shutdown();
free_server_data();
fclose(log_fp);
exit(1);
}
int dare_server_init(dare_server_input_t *input)
{
int rc;
/* Initialize data fields to zero */
memset(&data, 0, sizeof(dare_server_data_t));
/* Store input into server's data structure */
data.input = input;
data.cur_view = input->cur_view;
data.my_address = input->my_address;
/* Set log file handler */
log_fp = input->log;
/* Init server data */
rc = init_server_data();
if (0 != rc) {
free_server_data();
fprintf(stderr, "Cannot init server data\n");
return 1;
}
init_network_cb();
poll_cb();
return 0;
}
/*
* Re-Read the configuration file.
* Return 1 on success, 0 on failure.
* In case of failure, the old configuration will be unchanged (although the cache may not) and
* **errstr will refer to a newly allocated string containing an error message.
*/
int reload_config_file(const char *nm, char **errstr)
{
globparm_t global_new;
servparm_array servers_new;
global_new=global;
global_new.cache_dir=NULL;
global_new.pidfile=NULL;
global_new.scheme_file=NULL;
global_new.deleg_only_zones=NULL;
global_new.onquery=0;
servers_new=NULL;
if(read_config_file(nm,&global_new,&servers_new,0,errstr)) {
if(global_new.cache_dir && strcmp(global_new.cache_dir,global.cache_dir)) {
*errstr=strdup("Cannot reload config file: the specified cache_dir directory has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.pidfile && (!global.pidfile || strcmp(global_new.pidfile,global.pidfile))) {
*errstr=strdup("Cannot reload config file: the specified pid_file has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.scheme_file && strcmp(global_new.scheme_file,global.scheme_file)) {
*errstr=strdup("Cannot reload config file: the specified scheme_file has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.port!=global.port) {
*errstr=strdup("Cannot reload config file: the specified server_port has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(!ADDR_EQUIV(&global_new.a,&global.a)) {
*errstr=strdup("Cannot reload config file: the specified interface address (server_ip) has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
#ifdef ENABLE_IPV6
if(!IN6_ARE_ADDR_EQUAL(&global_new.ipv4_6_prefix,&global.ipv4_6_prefix)) {
*errstr=strdup("Cannot reload config file: the specified ipv4_6_prefix has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
#endif
if(strcmp(global_new.run_as,global.run_as)) {
*errstr=strdup("Cannot reload config file: the specified run_as id has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.daemon!=global.daemon) {
*errstr=strdup("Cannot reload config file: the daemon option has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.debug!=global.debug) {
*errstr=strdup("Cannot reload config file: the debug option has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.stat_pipe!=global.stat_pipe) {
*errstr=strdup("Cannot reload config file: the status_ctl option has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.notcp!=global.notcp) {
*errstr=strdup("Cannot reload config file: the tcp_server option has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.strict_suid!=global.strict_suid) {
*errstr=strdup("Cannot reload config file: the strict_setuid option has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(global_new.ctl_perms!=global.ctl_perms) {
*errstr=strdup("Cannot reload config file: the specified ctl_perms has changed.\n"
"Try restarting pdnsd instead.");
goto cleanup_return;
}
if(ping_isocket==-1
#ifdef ENABLE_IPV6
&& ping6_isocket==-1
#endif
) {
int i,n=DA_NEL(servers_new);
for (i=0;i<n;++i) {
if (DA_INDEX(servers_new,i).uptest==C_PING) {
if(asprintf(errstr,"Cannot reload config file: the ping socket is not initialized"
" and the new config contains uptest=ping in server section %i.\n"
"Try restarting pdnsd instead.",i)<0)
*errstr=NULL;
goto cleanup_return;
}
}
}
/* we need exclusive access to the server data to make the changes */
/* Wait at most 60 seconds to obtain a lock. */
if(!exclusive_lock_server_data(60)) {
*errstr=strdup("Cannot reload config file: Timed out while waiting for access to config data.");
goto cleanup_return;
}
free(global_new.cache_dir); global_new.cache_dir=global.cache_dir;
free(global_new.pidfile); global_new.pidfile=global.pidfile;
free(global_new.scheme_file); global_new.scheme_file=global.scheme_file;
free_zones(global.deleg_only_zones);
global=global_new;
free_server_data(servers);
servers=servers_new;
/* schedule a retest to check which servers are up,
and free the lock. */
exclusive_unlock_server_data(1);
return 1;
}
cleanup_return:
free(global_new.cache_dir);
free(global_new.pidfile);
free(global_new.scheme_file);
free_zones(global_new.deleg_only_zones);
free_server_data(servers_new);
return 0;
}
int dare_rdma_shutdown()
{
dare_ib_srv_shutdown();
free_server_data();
return 0;
}
