int process_psia_request(request *req)
{
int status;
node_t *root = NULL;
/* initialize the device interface */
status = iface_init(req);
if(status != R_REQUEST_OK)
return 1;
/* set up the response buffer */
status = xadd_init(req);
if(status != R_REQUEST_OK)
return 1;
/* set up the parser */
status = xml_init(req);
if(status != R_REQUEST_OK)
return 1;
/* create the root node */
root = add_node(NULL, "/PSIA", M_NULL, NODE_SERVICE, NULL, NULL);
desc_get_function(root, "Root service");
add_std_resources(root, &process_index, &process_indexr, &process_description, NULL);
status = process_root(req, root);
return 0;
}
int
main (int __argc, char **__argv)
{
/* Hook signals */
signals_hook ();
i18n_init ();
if (iface_init ())
{
/* To uninitialize all stuff, which */
/* has been initialized */
iface_done ();
i18n_release ();
return EXIT_FAILURE;
}
tcllib_init ();
iface_mainloop ();
iface_done ();
i18n_release ();
return EXIT_SUCCESS;
}
static void restart(void)
{
mroute4_disable(0);
mroute6_disable(0);
mcgroup4_disable();
mcgroup6_disable();
/* No need to close the IPC, only at cleanup. */
/* Update list of interfaces and create new virtual interface mappings in kernel. */
iface_init();
mroute4_enable(do_vifs, table_id, cache_tmo);
mroute6_enable(do_vifs, table_id);
}
int iface_conf_read(struct iface_rec *iface)
{
struct iface_rec *def_iface;
int rc, retry = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
/*
* older tools allowed default to have different
* transport_names so we do not want to overwrite
* it.
*/
if (!strcmp(def_iface->name, DEFAULT_IFACENAME)) {
if (!strlen(iface->name))
strcpy(iface->name, def_iface->name);
if (!strlen(iface->netdev))
strcpy(iface->netdev, def_iface->netdev);
if (!strlen(iface->hwaddress))
strcpy(iface->hwaddress, def_iface->hwaddress);
if (!strlen(iface->transport_name))
strcpy(iface->transport_name,
def_iface->transport_name);
if (!strlen(iface->iname))
strcpy(iface->iname, def_iface->iname);
} else {
iface_init(iface);
iface_copy(iface, def_iface);
}
return 0;
}
retry_read:
rc = idbm_lock();
if (rc)
return rc;
rc = __iface_conf_read(iface);
idbm_unlock();
/*
* cmd was run before running -m iface, so force def bindings
* creation to see if that was the one requested
*/
if (retry < 1 && rc == ISCSI_ERR_IDBM) {
iface_setup_host_bindings();
retry++;
goto retry_read;
}
return rc;
}
static int __iface_conf_read(struct iface_rec *iface)
{
char *iface_conf;
recinfo_t *info;
FILE *f;
int rc = 0;
iface_conf = calloc(1, PATH_MAX);
if (!iface_conf)
return ISCSI_ERR_NOMEM;
info = idbm_recinfo_alloc(MAX_KEYS);
if (!info) {
rc = ISCSI_ERR_NOMEM;
goto free_conf;
}
snprintf(iface_conf, PATH_MAX, "%s/%s", IFACE_CONFIG_DIR,
iface->name);
log_debug(5, "looking for iface conf %s", iface_conf);
f = fopen(iface_conf, "r");
if (!f) {
/*
* if someone passes in default but has not defined
* a iface with default then we do it for them
*/
if (!strcmp(iface->name, DEFAULT_IFACENAME)) {
iface_setup_defaults(iface);
rc = 0;
} else
rc = ISCSI_ERR_IDBM;
goto free_info;
}
iface_init(iface);
idbm_recinfo_iface(iface, info);
idbm_recinfo_config(info, f);
fclose(f);
free_info:
free(info);
free_conf:
free(iface_conf);
return rc;
}
/* Init everything before forking, so we can fail and return an
* error code in the parent and the initscript will fail */
static void start_server(int background)
{
int sd, api = 0;
if (background && daemonize())
return;
smclog(LOG_NOTICE, 0, "%s", version_info);
/* Build list of multicast-capable physical interfaces that
* are currently assigned an IP address. */
iface_init();
if (!mroute4_enable())
api++;
if (!mroute6_enable())
api++;
/* At least one API (IPv4 or IPv6) must have initialized successfully
* otherwise we abort the server initialization. */
if (!api) {
smclog(LOG_INIT, ENOPROTOOPT, "Kernel does not support multicast routing");
exit(1);
}
sd = ipc_server_init();
if (sd < 0)
smclog(LOG_WARNING, errno, "Failed setting up IPC socket, client communication disabled");
atexit(clean);
signal_init();
read_conf_file(conf_file);
/* Everything setup, notify any clients by creating the pidfile */
if (pidfile(NULL))
smclog(LOG_WARNING, errno, "Failed creating pidfile");
server_loop(sd);
}
int iface_conf_read(struct iface_rec *iface)
{
struct iface_rec *def_iface;
int rc;
def_iface = iface_match_default(iface);
if (def_iface) {
/*
* older tools allowed default to have different
* transport_names so we do not want to overwrite
* it.
*/
if (!strcmp(def_iface->name, DEFAULT_IFACENAME)) {
if (!strlen(iface->name))
strcpy(iface->name, def_iface->name);
if (!strlen(iface->netdev))
strcpy(iface->netdev, def_iface->netdev);
if (!strlen(iface->hwaddress))
strcpy(iface->hwaddress, def_iface->hwaddress);
if (!strlen(iface->transport_name))
strcpy(iface->transport_name,
def_iface->transport_name);
if (!strlen(iface->iname))
strcpy(iface->iname, def_iface->iname);
} else {
iface_init(iface);
iface_copy(iface, def_iface);
}
return 0;
}
rc = idbm_lock();
if (rc)
return rc;
rc = __iface_conf_read(iface);
idbm_unlock();
return rc;
}
/* Init everything before forking, so we can fail and return an
* error code in the parent and the initscript will fail */
static int start_server(void)
{
int api = 2, busy = 0;
if (geteuid() != 0) {
smclog(LOG_ERR, "Need root privileges to start %s", prognm);
return 1;
}
if (background) {
if (daemon(0, 0) < 0) {
smclog(LOG_ERR, "Failed daemonizing: %s", strerror(errno));
return 1;
}
}
/* Hello world! */
smclog(LOG_NOTICE, "%s", version_info);
if (startup_delay > 0) {
smclog(LOG_INFO, "Startup delay requested, waiting %d sec before continuing.", startup_delay);
sleep(startup_delay);
}
/*
* Timer API needs to be initilized before mroute4_enable()
*/
timer_init();
/*
* Build list of multicast-capable physical interfaces
*/
iface_init();
if (mroute4_enable(do_vifs, table_id, cache_tmo)) {
if (errno == EADDRINUSE)
busy++;
api--;
}
if (mroute6_enable(do_vifs, table_id)) {
if (errno == EADDRINUSE)
busy++;
api--;
}
/* At least one API (IPv4 or IPv6) must have initialized successfully
* otherwise we abort the server initialization. */
if (!api) {
if (busy)
smclog(LOG_ERR, "Another multicast routing application is already running.");
else
smclog(LOG_ERR, "Kernel does not support multicast routing.");
exit(1);
}
atexit(clean);
signal_init();
ipc_init();
conf_read(conf_file, do_vifs);
/* Everything setup, notify any clients waiting for us */
notify_ready(pid_file, uid, gid);
/* Drop root privileges before entering the server loop */
cap_drop_root(uid, gid);
return server_loop();
}
/*
* default is to use tcp through whatever the network layer
* selects for us with the /etc/iscsi/initiatorname.iscsi iname.
*/
void iface_setup_defaults(struct iface_rec *iface)
{
sprintf(iface->transport_name, DEFAULT_TRANSPORT);
iface_init(iface);
}
