mirror of
https://gitlab.xiph.org/xiph/icecast-server.git
synced 2024-12-04 14:46:30 -05:00
_handle_connection() cleanup, major restructuring. No feature changes.
svn path=/trunk/icecast/; revision=3807
This commit is contained in:
Michael Smith
parent
6e23c0f8fc
commit
76ff92cb2f
11
src/client.c
11
src/client.c
@ -44,3 +44,14 @@ void client_destroy(client_t *client)
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free(client);
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}
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void client_send_404(client_t *client, char *message) {
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int bytes;
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bytes = sock_write(client->con->sock, "HTTP/1.0 404 File Not Found\r\n"
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"Content-Type: text/html\r\n\r\n"
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"<b>%s</b>\r\n", message);
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if(bytes > 0) client->con->sent_bytes = bytes;
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client_destroy(client);
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}
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@ -24,5 +24,6 @@ typedef struct _client_tag
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client_t *client_create(connection_t *con, http_parser_t *parser);
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void client_destroy(client_t *client);
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void client_send_404(client_t *client, char *message);
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#endif /* __CLIENT_H__ */
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528
src/connection.c
528
src/connection.c
@ -331,20 +331,267 @@ fail:
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return 0;
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}
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static int _check_source_pass(http_parser_t *parser)
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{
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char *password, *correctpass;
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password = httpp_getvar(parser, "ice-password");
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correctpass = config_get_config()->source_password;
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if(!password)
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password = "";
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if(!correctpass)
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correctpass = "";
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if (strcmp(password, correctpass))
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return 0;
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else
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return 1;
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}
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static void _handle_source_request(connection_t *con,
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http_parser_t *parser, char *uri)
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{
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INFO1("Source logging in at mountpoint \"%s\"", uri);
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stats_event_inc(NULL, "source_connections");
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if (!_check_source_pass(parser)) {
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INFO1("Source (%s) attempted to login with bad password", uri);
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connection_close(con);
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httpp_destroy(parser);
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return;
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}
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/* check to make sure this source has
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** a unique mountpoint
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*/
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avl_tree_rlock(global.source_tree);
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if (source_find_mount(uri) != NULL) {
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INFO1("Source tried to log in as %s, but mountpoint is already used", uri);
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connection_close(con);
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httpp_destroy(parser);
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avl_tree_unlock(global.source_tree);
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return;
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}
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avl_tree_unlock(global.source_tree);
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if (!connection_create_source(con, parser, uri)) {
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connection_close(con);
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httpp_destroy(parser);
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}
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}
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static void _handle_stats_request(connection_t *con,
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http_parser_t *parser, char *uri)
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{
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stats_connection_t *stats;
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stats_event_inc(NULL, "stats_connections");
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if (!_check_source_pass(parser)) {
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ERROR0("Bad password for stats connection");
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connection_close(con);
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httpp_destroy(parser);
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return;
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}
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stats_event_inc(NULL, "stats");
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/* create stats connection and create stats handler thread */
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stats = (stats_connection_t *)malloc(sizeof(stats_connection_t));
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stats->parser = parser;
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stats->con = con;
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thread_create("Stats Connection", stats_connection, (void *)stats, THREAD_DETACHED);
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}
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static void _handle_get_request(connection_t *con,
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http_parser_t *parser, char *uri)
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{
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char *fullpath;
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client_t *client;
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avl_node *node;
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http_var_t *var;
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int bytes;
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struct stat statbuf;
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source_t *source;
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DEBUG0("Client connected");
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/* make a client */
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client = client_create(con, parser);
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stats_event_inc(NULL, "client_connections");
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/* there are several types of HTTP GET clients
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** media clients, which are looking for a source (eg, URI = /stream.ogg)
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** stats clients, which are looking for /stats.xml
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** and director server authorizers, which are looking for /GUID-xxxxxxxx
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** (where xxxxxx is the GUID in question) - this isn't implemented yet.
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** we need to handle the latter two before the former, as the latter two
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** aren't subject to the limits.
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*/
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/* TODO: add GUID-xxxxxx */
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if (strcmp(uri, "/stats.xml") == 0) {
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DEBUG0("Stats request, sending xml stats");
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stats_sendxml(client);
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client_destroy(client);
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return;
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}
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/* Here we are parsing the URI request to see
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** if the extension is .xsl, if so, then process
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** this request as an XSLT request
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*/
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fullpath = util_get_path_from_normalised_uri(uri);
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if (util_check_valid_extension(fullpath) == XSLT_CONTENT) {
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/* If the file exists, then transform it, otherwise, write a 404 */
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if (stat(fullpath, &statbuf) == 0) {
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DEBUG0("Stats request, sending XSL transformed stats");
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n");
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if(bytes > 0) client->con->sent_bytes = bytes;
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stats_transform_xslt(client, fullpath);
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client_destroy(client);
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}
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else {
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client_send_404(client, "The file you requested could not be found");
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}
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free(fullpath);
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return;
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}
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free(fullpath);
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if(strcmp(util_get_extension(uri), "m3u") == 0) {
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char *sourceuri = strdup(uri);
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char *dot = strrchr(sourceuri, '.');
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*dot = 0;
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avl_tree_rlock(global.source_tree);
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source = source_find_mount(sourceuri);
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if (source) {
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client->respcode = 200;
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 200 OK\r\n"
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"Content-Type: audio/x-mpegurl\r\n\r\n"
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"http://%s:%d%s",
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config_get_config()->hostname,
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config_get_config()->port,
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sourceuri
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);
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if(bytes > 0) client->con->sent_bytes = bytes;
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client_destroy(client);
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}
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else {
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client_send_404(client, "The file you requested could not be found");
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}
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avl_tree_unlock(global.source_tree);
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free(sourceuri);
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return;
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}
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if (strcmp(uri, "/allstreams.txt") == 0) {
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if (!_check_source_pass(parser)) {
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INFO0("Client attempted to fetch allstreams.txt with bad password");
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client_send_404(client, "Bad ice-password");
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} else {
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avl_node *node;
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source_t *s;
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avl_tree_rlock(global.source_tree);
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node = avl_get_first(global.source_tree);
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while (node) {
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s = (source_t *)node->key;
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bytes = sock_write(client->con->sock, "%s\r\n", s->mount);
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if(bytes > 0) client->con->sent_bytes += bytes;
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else break;
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node = avl_get_next(node);
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}
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avl_tree_unlock(global.source_tree);
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client_destroy(client);
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}
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return;
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}
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global_lock();
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if (global.clients >= config_get_config()->client_limit) {
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client->respcode = 504;
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 504 Server Full\r\n"
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"Content-Type: text/html\r\n\r\n"
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"<b>The server is already full. Try again later.</b>\r\n");
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if (bytes > 0) client->con->sent_bytes = bytes;
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client_destroy(client);
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global_unlock();
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return;
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}
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global_unlock();
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avl_tree_rlock(global.source_tree);
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source = source_find_mount(uri);
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if (source) {
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DEBUG0("Source found for client");
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global_lock();
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if (global.clients >= config_get_config()->client_limit) {
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client->respcode = 504;
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 504 Server Full\r\n"
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"Content-Type: text/html\r\n\r\n"
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"<b>The server is already full. Try again later.</b>\r\n");
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if (bytes > 0) client->con->sent_bytes = bytes;
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client_destroy(client);
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global_unlock();
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avl_tree_unlock(global.source_tree);
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return;
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}
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global.clients++;
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global_unlock();
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client->respcode = 200;
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 200 OK\r\n"
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"Content-Type: %s\r\n",
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format_get_mimetype(source->format->type));
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if(bytes > 0) client->con->sent_bytes += bytes;
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/* iterate through source http headers and send to client */
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avl_tree_rlock(source->parser->vars);
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node = avl_get_first(source->parser->vars);
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while (node) {
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var = (http_var_t *)node->key;
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if (strcasecmp(var->name, "ice-password") &&
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!strncasecmp("ice-", var->name, 4)) {
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bytes = sock_write(client->con->sock,
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"%s: %s\r\n", var->name, var->value);
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if(bytes > 0) client->con->sent_bytes += bytes;
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}
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node = avl_get_next(node);
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}
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avl_tree_unlock(source->parser->vars);
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bytes = sock_write(client->con->sock, "\r\n");
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if(bytes > 0) client->con->sent_bytes += bytes;
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sock_set_blocking(client->con->sock, SOCK_NONBLOCK);
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avl_tree_wlock(source->pending_tree);
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avl_insert(source->pending_tree, (void *)client);
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avl_tree_unlock(source->pending_tree);
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}
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avl_tree_unlock(global.source_tree);
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if (!source) {
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DEBUG0("Source not found for client");
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client_send_404(client, "The source you requested could not be found.");
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}
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}
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static void *_handle_connection(void *arg)
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{
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char header[4096];
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connection_t *con;
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http_parser_t *parser;
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source_t *source;
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stats_connection_t *stats;
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avl_node *node;
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http_var_t *var;
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client_t *client;
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int bytes;
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struct stat statbuf;
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char *fullpath;
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char *rawuri, *uri;
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client_t *client;
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while (global.running == ICE_RUNNING) {
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memset(header, 0, 4096);
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@ -370,7 +617,8 @@ static void *_handle_connection(void *arg)
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if (httpp_parse(parser, header, strlen(header))) {
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/* handle the connection or something */
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if (strcmp("ICE", httpp_getvar(parser, HTTPP_VAR_PROTOCOL)) != 0 && strcmp("HTTP", httpp_getvar(parser, HTTPP_VAR_PROTOCOL)) != 0) {
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if (strcmp("ICE", httpp_getvar(parser, HTTPP_VAR_PROTOCOL)) &&
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strcmp("HTTP", httpp_getvar(parser, HTTPP_VAR_PROTOCOL))) {
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ERROR0("Bad HTTP protocol detected");
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connection_close(con);
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httpp_destroy(parser);
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@ -382,262 +630,26 @@ static void *_handle_connection(void *arg)
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if(!uri) {
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client = client_create(con, parser);
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bytes = sock_write(client->con->sock, "HTTP/1.0 404 File Not Found\r\nContent-Type: text/html\r\n\r\n"\
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"<b>The path you requested was invalid.</b>\r\n");
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if(bytes > 0) client->con->sent_bytes = bytes;
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client_destroy(client);
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client_send_404(client, "The path you requested was invalid");
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continue;
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}
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if (parser->req_type == httpp_req_source) {
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INFO1("Source logging in at mountpoint \"%s\"", uri);
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stats_event_inc(NULL, "source_connections");
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if (strcmp((httpp_getvar(parser, "ice-password") != NULL) ? httpp_getvar(parser, "ice-password") : "", (config_get_config()->source_password != NULL) ? config_get_config()->source_password : "") != 0) {
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INFO1("Source (%s) attempted to login with bad password", uri);
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connection_close(con);
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httpp_destroy(parser);
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free(uri);
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continue;
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}
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/* check to make sure this source has
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** a unique mountpoint
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*/
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avl_tree_rlock(global.source_tree);
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if (source_find_mount(uri) != NULL) {
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INFO1("Source tried to log in as %s, but is already used", uri);
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connection_close(con);
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httpp_destroy(parser);
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free(uri);
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avl_tree_unlock(global.source_tree);
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continue;
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}
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avl_tree_unlock(global.source_tree);
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if (!connection_create_source(con, parser, uri)) {
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connection_close(con);
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httpp_destroy(parser);
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free(uri);
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}
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continue;
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} else if (parser->req_type == httpp_req_stats) {
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stats_event_inc(NULL, "stats_connections");
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if (strcmp((httpp_getvar(parser, "ice-password") != NULL) ? httpp_getvar(parser, "ice-password") : "", (config_get_config()->source_password != NULL) ? config_get_config()->source_password : "") != 0) {
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ERROR0("Bad password for stats connection");
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connection_close(con);
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httpp_destroy(parser);
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free(uri);
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continue;
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}
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stats_event_inc(NULL, "stats");
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/* create stats connection and create stats handler thread */
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stats = (stats_connection_t *)malloc(sizeof(stats_connection_t));
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stats->parser = parser;
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stats->con = con;
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thread_create("Stats Connection", stats_connection, (void *)stats, THREAD_DETACHED);
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free(uri);
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continue;
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} else if (parser->req_type == httpp_req_play || parser->req_type == httpp_req_get) {
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DEBUG0("Client connected");
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/* make a client */
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client = client_create(con, parser);
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stats_event_inc(NULL, "client_connections");
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/* there are several types of HTTP GET clients
|
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** media clients, which are looking for a source (eg, URI = /stream.ogg)
|
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** stats clients, which are looking for /stats.xml
|
||||
** and director server authorizers, which are looking for /GUID-xxxxxxxx (where xxxxxx is the GUID in question
|
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** we need to handle the latter two before the former, as the latter two
|
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** aren't subject to the limits.
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*/
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// TODO: add GUID-xxxxxx
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if (strcmp(uri, "/stats.xml") == 0) {
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DEBUG0("Stats request, sending xml stats");
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stats_sendxml(client);
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client_destroy(client);
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free(uri);
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continue;
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}
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/* Here we are parsing the URI request to see
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** if the extension is .xsl, if so, then process
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** this request as an XSLT request
|
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*/
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fullpath = util_get_path_from_normalised_uri(uri);
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if (util_check_valid_extension(fullpath) == XSLT_CONTENT) {
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/* If the file exists, then transform it, otherwise, write a 404 error */
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if (stat(fullpath, &statbuf) == 0) {
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DEBUG0("Stats request, sending XSL transformed stats");
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bytes = sock_write(client->con->sock, "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n");
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if(bytes > 0) client->con->sent_bytes = bytes;
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stats_transform_xslt(client, fullpath);
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}
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else {
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bytes = sock_write(client->con->sock, "HTTP/1.0 404 File Not Found\r\nContent-Type: text/html\r\n\r\n"\
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"<b>The file you requested could not be found.</b>\r\n");
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if(bytes > 0) client->con->sent_bytes = bytes;
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}
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free(fullpath);
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free(uri);
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client_destroy(client);
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continue;
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}
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free(fullpath);
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if(strcmp(util_get_extension(uri), "m3u") == 0) {
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char *sourceuri = strdup(uri);
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char *dot = strrchr(sourceuri, '.');
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*dot = 0;
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avl_tree_rlock(global.source_tree);
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source = source_find_mount(sourceuri);
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if (source) {
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client->respcode = 200;
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 200 OK\r\nContent-Type: audio/x-mpegurl\r\n\r\nhttp://%s:%d%s",
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config_get_config()->hostname,
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config_get_config()->port,
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sourceuri
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);
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}
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else {
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client->respcode = 404;
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bytes = sock_write(client->con->sock,
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"HTTP/1.0 404 Not Found\r\nContent-Type: text/html\r\n\r\n<b>The file you requested could not be found</b>\r\n");
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}
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avl_tree_unlock(global.source_tree);
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if(bytes > 0) client->con->sent_bytes = bytes;
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free(sourceuri);
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free(uri);
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client_destroy(client);
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continue;
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}
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if (strcmp(uri, "/allstreams.txt") == 0) {
|
||||
if (strcmp((httpp_getvar(parser, "ice-password") != NULL) ? httpp_getvar(parser, "ice-password") : "", (config_get_config()->source_password != NULL) ? config_get_config()->source_password : "") != 0) {
|
||||
INFO0("Client attempted to fetch allstreams.txt with bad password");
|
||||
if (parser->req_type == httpp_req_get) {
|
||||
client->respcode = 404;
|
||||
bytes = sock_write(client->con->sock, "HTTP/1.0 404 Source Not Found\r\nContent-Type: text/html\r\n\r\n"\
|
||||
"<b>The source you requested could not be found.</b>\r\n");
|
||||
if (bytes > 0) client->con->sent_bytes = bytes;
|
||||
}
|
||||
} else {
|
||||
avl_node *node;
|
||||
source_t *s;
|
||||
avl_tree_rlock(global.source_tree);
|
||||
node = avl_get_first(global.source_tree);
|
||||
while (node) {
|
||||
s = (source_t *)node->key;
|
||||
bytes = sock_write(client->con->sock, "%s\r\n", s->mount);
|
||||
if(bytes > 0)
|
||||
client->con->sent_bytes += bytes;
|
||||
else
|
||||
break;
|
||||
|
||||
node = avl_get_next(node);
|
||||
}
|
||||
avl_tree_unlock(global.source_tree);
|
||||
}
|
||||
free(uri);
|
||||
client_destroy(client);
|
||||
continue;
|
||||
}
|
||||
|
||||
global_lock();
|
||||
if (global.clients >= config_get_config()->client_limit) {
|
||||
if (parser->req_type == httpp_req_get) {
|
||||
client->respcode = 504;
|
||||
bytes = sock_write(client->con->sock, "HTTP/1.0 504 Server Full\r\nContent-Type: text/html\r\n\r\n"\
|
||||
"<b>The server is already full. Try again later.</b>\r\n");
|
||||
if (bytes > 0) client->con->sent_bytes = bytes;
|
||||
}
|
||||
client_destroy(client);
|
||||
global_unlock();
|
||||
free(uri);
|
||||
continue;
|
||||
}
|
||||
global_unlock();
|
||||
|
||||
avl_tree_rlock(global.source_tree);
|
||||
source = source_find_mount(uri);
|
||||
if (source) {
|
||||
DEBUG0("Source found for client");
|
||||
|
||||
global_lock();
|
||||
if (global.clients >= config_get_config()->client_limit) {
|
||||
if (parser->req_type == httpp_req_get) {
|
||||
client->respcode = 504;
|
||||
bytes = sock_write(client->con->sock, "HTTP/1.0 504 Server Full\r\nContent-Type: text/html\r\n\r\n"\
|
||||
"<b>The server is already full. Try again later.</b>\r\n");
|
||||
if (bytes > 0) client->con->sent_bytes = bytes;
|
||||
}
|
||||
free(uri);
|
||||
client_destroy(client);
|
||||
global_unlock();
|
||||
continue;
|
||||
}
|
||||
global.clients++;
|
||||
global_unlock();
|
||||
|
||||
if (parser->req_type == httpp_req_get) {
|
||||
client->respcode = 200;
|
||||
bytes = sock_write(client->con->sock, "HTTP/1.0 200 OK\r\nContent-Type: %s\r\n", format_get_mimetype(source->format->type));
|
||||
if(bytes > 0) client->con->sent_bytes += bytes;
|
||||
/* iterate through source http headers and send to client */
|
||||
avl_tree_rlock(source->parser->vars);
|
||||
node = avl_get_first(source->parser->vars);
|
||||
while (node) {
|
||||
var = (http_var_t *)node->key;
|
||||
if (strcasecmp(var->name, "ice-password") && !strncasecmp("ice-", var->name, 4)) {
|
||||
bytes = sock_write(client->con->sock, "%s: %s\r\n", var->name, var->value);
|
||||
if(bytes > 0) client->con->sent_bytes += bytes;
|
||||
}
|
||||
node = avl_get_next(node);
|
||||
}
|
||||
avl_tree_unlock(source->parser->vars);
|
||||
|
||||
bytes = sock_write(client->con->sock, "\r\n");
|
||||
if(bytes > 0) client->con->sent_bytes += bytes;
|
||||
|
||||
sock_set_blocking(client->con->sock, SOCK_NONBLOCK);
|
||||
}
|
||||
|
||||
avl_tree_wlock(source->pending_tree);
|
||||
avl_insert(source->pending_tree, (void *)client);
|
||||
avl_tree_unlock(source->pending_tree);
|
||||
}
|
||||
|
||||
avl_tree_unlock(global.source_tree);
|
||||
|
||||
if (!source) {
|
||||
DEBUG0("Source not found for client");
|
||||
if (parser->req_type == httpp_req_get) {
|
||||
client->respcode = 404;
|
||||
bytes = sock_write(client->con->sock, "HTTP/1.0 404 Source Not Found\r\nContent-Type: text/html\r\n\r\n"\
|
||||
"<b>The source you requested could not be found.</b>\r\n");
|
||||
if (bytes > 0) client->con->sent_bytes = bytes;
|
||||
}
|
||||
client_destroy(client);
|
||||
}
|
||||
|
||||
free(uri);
|
||||
continue;
|
||||
} else {
|
||||
_handle_source_request(con, parser, uri);
|
||||
}
|
||||
else if (parser->req_type == httpp_req_stats) {
|
||||
_handle_stats_request(con, parser, uri);
|
||||
}
|
||||
else if (parser->req_type == httpp_req_get) {
|
||||
_handle_get_request(con, parser, uri);
|
||||
}
|
||||
else {
|
||||
ERROR0("Wrong request type from client");
|
||||
connection_close(con);
|
||||
httpp_destroy(parser);
|
||||
free(uri);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
free(uri);
|
||||
} else {
|
||||
ERROR0("HTTP request parsing failed");
|
||||
connection_close(con);
|
||||
|
||||
@ -206,9 +206,6 @@ char *util_get_path_from_normalised_uri(char *uri) {
|
||||
return fullpath;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/* Get an absolute path (from the webroot dir) from a URI. Return NULL if the
|
||||
* path contains 'disallowed' sequences like foo/../ (which could be used to
|
||||
* escape from the webroot) or if it cannot be URI-decoded.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user