static void *mod_conn_create(TALLOC_CTX *ctx, void *instance, struct timeval const *timeout)
{
linelog_instance_t *inst = instance;
linelog_conn_t *conn;
int sockfd = -1;
switch (inst->log_dst) {
case LINELOG_DST_UNIX:
DEBUG2("rlm_linelog (%s): Opening UNIX socket at \"%s\"", inst->name, inst->unix.path);
sockfd = fr_socket_client_unix(inst->unix.path, true);
if (sockfd < 0) {
ERROR("rlm_linelog (%s): Failed opening UNIX socket: %s", inst->name, fr_strerror());
return NULL;
}
break;
case LINELOG_DST_TCP:
if (DEBUG_ENABLED2) {
char buff[INET6_ADDRSTRLEN + 4]; /* IPv6 + /<d><d><d> */
fr_ntop(buff, sizeof(buff), &inst->tcp.dst_ipaddr);
DEBUG2("rlm_linelog (%s): Opening TCP connection to %s:%u", inst->name, buff, inst->tcp.port);
}
sockfd = fr_socket_client_tcp(NULL, &inst->tcp.dst_ipaddr, inst->tcp.port, true);
if (sockfd < 0) {
ERROR("rlm_linelog (%s): Failed opening TCP socket: %s", inst->name, fr_strerror());
return NULL;
}
break;
case LINELOG_DST_UDP:
if (DEBUG_ENABLED2) {
char buff[INET6_ADDRSTRLEN + 4]; /* IPv6 + /<d><d><d> */
fr_ntop(buff, sizeof(buff), &inst->udp.dst_ipaddr);
DEBUG2("rlm_linelog (%s): Opening UDP connection to %s:%u", inst->name, buff, inst->udp.port);
}
sockfd = fr_socket_client_udp(NULL, &inst->udp.dst_ipaddr, inst->udp.port, true);
if (sockfd < 0) {
ERROR("rlm_linelog (%s): Failed opening UDP socket: %s", inst->name, fr_strerror());
return NULL;
}
break;
/*
* Are not connection oriented destinations
*/
case LINELOG_DST_INVALID:
case LINELOG_DST_FILE:
case LINELOG_DST_SYSLOG:
rad_assert(0);
return NULL;
}
if (errno == EINPROGRESS) {
if (FR_TIMEVAL_TO_MS(timeout)) {
DEBUG2("rlm_linelog (%s): Waiting for connection to complete...", inst->name);
} else {
DEBUG2("rlm_linelog (%s): Blocking until connection complete...", inst->name);
}
if (fr_socket_wait_for_connect(sockfd, timeout) < 0) {
ERROR("rlm_linelog (%s): %s", inst->name, fr_strerror());
close(sockfd);
return NULL;
}
}
DEBUG2("rlm_linelog (%s): Connection successful", inst->name);
/*
* Set blocking operation as we have no timeout set
*/
if (!FR_TIMEVAL_TO_MS(timeout) && (fr_blocking(sockfd) < 0)) {
ERROR("rlm_linelog (%s): Failed setting nonblock flag on fd", inst->name);
close(sockfd);
return NULL;
}
conn = talloc_zero(ctx, linelog_conn_t);
conn->sockfd = sockfd;
talloc_set_destructor(conn, _mod_conn_free);
return conn;
}
/** Add a client to a RADCLIENT_LIST
*
* @param clients list to add client to, may be NULL if global client list is being used.
* @param client to add.
* @return true on success, false on failure.
*/
bool client_add(RADCLIENT_LIST *clients, RADCLIENT *client)
{
RADCLIENT *old;
char buffer[INET6_ADDRSTRLEN + 3];
if (!client) return false;
/*
* Hack to fixup wildcard clients
*
* If the IP is all zeros, with a 32 or 128 bit netmask
* assume the user meant to configure 0.0.0.0/0 instead
* of 0.0.0.0/32 - which would require the src IP of
* the client to be all zeros.
*/
if (fr_inaddr_any(&client->ipaddr) == 1) switch (client->ipaddr.af) {
case AF_INET:
if (client->ipaddr.prefix == 32) client->ipaddr.prefix = 0;
break;
case AF_INET6:
if (client->ipaddr.prefix == 128) client->ipaddr.prefix = 0;
break;
default:
rad_assert(0);
}
fr_ntop(buffer, sizeof(buffer), &client->ipaddr);
DEBUG3("Adding client %s (%s) to prefix tree %i", buffer, client->longname, client->ipaddr.prefix);
/*
* If the client also defines a server, do that now.
*/
if (client->defines_coa_server) if (!realm_home_server_add(client->coa_server)) return false;
/*
* If "clients" is NULL, it means add to the global list,
* unless we're trying to add it to a virtual server...
*/
if (!clients) {
if (client->server != NULL) {
CONF_SECTION *cs;
cs = cf_section_sub_find_name2(main_config.config, "server", client->server);
if (!cs) {
ERROR("Failed to find virtual server %s", client->server);
return false;
}
/*
* If the client list already exists, use that.
* Otherwise, create a new client list.
*/
clients = cf_data_find(cs, "clients");
if (!clients) {
clients = client_list_init(cs);
if (!clients) {
ERROR("Out of memory");
return false;
}
if (cf_data_add(cs, "clients", clients, (void (*)(void *)) client_list_free) < 0) {
ERROR("Failed to associate clients with virtual server %s", client->server);
client_list_free(clients);
return false;
}
}
} else {
/*
* Initialize the global list, if not done already.
*/
if (!root_clients) {
root_clients = client_list_init(NULL);
if (!root_clients) return false;
}
clients = root_clients;
}
}
/*
* Create a tree for it.
*/
if (!clients->trees[client->ipaddr.prefix]) {
clients->trees[client->ipaddr.prefix] = rbtree_create(clients, client_ipaddr_cmp, NULL, 0);
if (!clients->trees[client->ipaddr.prefix]) {
return false;
}
}
#define namecmp(a) ((!old->a && !client->a) || (old->a && client->a && (strcmp(old->a, client->a) == 0)))
/*
* Cannot insert the same client twice.
*/
old = rbtree_finddata(clients->trees[client->ipaddr.prefix], client);
if (old) {
/*
* If it's a complete duplicate, then free the new
* one, and return "OK".
*/
if ((fr_ipaddr_cmp(&old->ipaddr, &client->ipaddr) == 0) &&
(old->ipaddr.prefix == client->ipaddr.prefix) &&
namecmp(longname) && namecmp(secret) &&
namecmp(shortname) && namecmp(nas_type) &&
namecmp(login) && namecmp(password) && namecmp(server) &&
#ifdef WITH_DYNAMIC_CLIENTS
(old->lifetime == client->lifetime) &&
namecmp(client_server) &&
#endif
#ifdef WITH_COA
namecmp(coa_name) &&
(old->coa_server == client->coa_server) &&
(old->coa_pool == client->coa_pool) &&
#endif
(old->message_authenticator == client->message_authenticator)) {
WARN("Ignoring duplicate client %s", client->longname);
client_free(client);
return true;
}
ERROR("Failed to add duplicate client %s", client->shortname);
return false;
}
#undef namecmp
/*
* Other error adding client: likely is fatal.
*/
if (!rbtree_insert(clients->trees[client->ipaddr.prefix], client)) {
return false;
}
#ifdef WITH_STATS
if (!tree_num) {
tree_num = rbtree_create(clients, client_num_cmp, NULL, 0);
}
#ifdef WITH_DYNAMIC_CLIENTS
/*
* More catching of clients added by rlm_sql.
*
* The sql modules sets the dynamic flag BEFORE calling
* us. The client_afrom_request() function sets it AFTER
* calling us.
*/
if (client->dynamic && (client->lifetime == 0)) {
RADCLIENT *network;
/*
* If there IS an enclosing network,
* inherit the lifetime from it.
*/
network = client_find(clients, &client->ipaddr, client->proto);
if (network) {
client->lifetime = network->lifetime;
}
}
#endif
client->number = tree_num_max;
tree_num_max++;
if (tree_num) rbtree_insert(tree_num, client);
#endif
if (client->ipaddr.prefix < clients->min_prefix) {
clients->min_prefix = client->ipaddr.prefix;
}
(void) talloc_steal(clients, client); /* reparent it */
return true;
}
/*
* Add a client to the tree.
*/
int client_add(RADCLIENT_LIST *clients, RADCLIENT *client)
{
RADCLIENT *old;
char buffer[INET6_ADDRSTRLEN + 3];
if (!client) {
return 0;
}
/*
* Hack to fixup wildcard clients
*/
if (is_wildcard(&client->ipaddr)) client->ipaddr.prefix = 0;
fr_ntop(buffer, sizeof(buffer), &client->ipaddr);
DEBUG3("Adding client %s (%s) to prefix tree %i", buffer, client->longname, client->ipaddr.prefix);
/*
* If "clients" is NULL, it means add to the global list.
*/
if (!clients) {
/*
* Initialize it, if not done already.
*/
if (!root_clients) {
root_clients = clients_init(NULL);
if (!root_clients) return 0;
}
clients = root_clients;
}
/*
* Create a tree for it.
*/
if (!clients->trees[client->ipaddr.prefix]) {
clients->trees[client->ipaddr.prefix] = rbtree_create(client_ipaddr_cmp, NULL, 0);
if (!clients->trees[client->ipaddr.prefix]) {
return 0;
}
}
#define namecmp(a) ((!old->a && !client->a) || (old->a && client->a && (strcmp(old->a, client->a) == 0)))
/*
* Cannot insert the same client twice.
*/
old = rbtree_finddata(clients->trees[client->ipaddr.prefix], client);
if (old) {
/*
* If it's a complete duplicate, then free the new
* one, and return "OK".
*/
if ((fr_ipaddr_cmp(&old->ipaddr, &client->ipaddr) == 0) &&
(old->ipaddr.prefix == client->ipaddr.prefix) &&
namecmp(longname) && namecmp(secret) &&
namecmp(shortname) && namecmp(nas_type) &&
namecmp(login) && namecmp(password) && namecmp(server) &&
#ifdef WITH_DYNAMIC_CLIENTS
(old->lifetime == client->lifetime) &&
namecmp(client_server) &&
#endif
#ifdef WITH_COA
namecmp(coa_name) &&
(old->coa_server == client->coa_server) &&
(old->coa_pool == client->coa_pool) &&
#endif
(old->message_authenticator == client->message_authenticator)) {
WARN("Ignoring duplicate client %s", client->longname);
client_free(client);
return 1;
}
ERROR("Failed to add duplicate client %s",
client->shortname);
return 0;
}
#undef namecmp
/*
* Other error adding client: likely is fatal.
*/
if (!rbtree_insert(clients->trees[client->ipaddr.prefix], client)) {
return 0;
}
#ifdef WITH_STATS
if (!tree_num) {
tree_num = rbtree_create(client_num_cmp, NULL, 0);
}
#ifdef WITH_DYNAMIC_CLIENTS
/*
* More catching of clients added by rlm_sql.
*
* The sql modules sets the dynamic flag BEFORE calling
* us. The client_from_request() function sets it AFTER
* calling us.
*/
if (client->dynamic && (client->lifetime == 0)) {
RADCLIENT *network;
/*
* If there IS an enclosing network,
* inherit the lifetime from it.
*/
network = client_find(clients, &client->ipaddr, client->proto);
if (network) {
client->lifetime = network->lifetime;
}
}
#endif
client->number = tree_num_max;
tree_num_max++;
if (tree_num) rbtree_insert(tree_num, client);
#endif
if (client->ipaddr.prefix < clients->min_prefix) {
clients->min_prefix = client->ipaddr.prefix;
}
(void) talloc_steal(clients, client); /* reparent it */
return 1;
}