/** TODO: This is almost certainly buggy in some cases */
static void parse_query(http_parser_t *parser, char *query)
{
int len;
int i=0;
char *key = query;
char *val=NULL;
if(!query || !*query)
return;
len = strlen(query);
while(i<len) {
switch(query[i]) {
case '&':
query[i] = 0;
if(val && key)
httpp_set_query_param(parser, key, val);
key = query+i+1;
break;
case '=':
query[i] = 0;
val = query+i+1;
break;
}
i++;
}
if(val && key) {
httpp_set_query_param(parser, key, val);
}
}
static int command_shoutcast_metadata (client_t *client, source_t *source)
{
const char *action;
const char *value;
int same_ip = 1;
if (COMMAND_REQUIRE(client, "mode", action) < 0)
{
thread_mutex_unlock (&source->lock);
return client_send_400 (client, "missing arg, mode");
}
if ((source->flags & SOURCE_SHOUTCAST_COMPAT) == 0)
{
thread_mutex_unlock (&source->lock);
ERROR0 ("illegal request on non-shoutcast compatible stream");
return client_send_400 (client, "Not a shoutcast compatible stream");
}
if (strcmp (action, "updinfo") == 0)
{
DEBUG0("Got shoutcast metadata update request");
if (COMMAND_REQUIRE (client, "song", value) < 0)
{
thread_mutex_unlock (&source->lock);
return client_send_400 (client, "missing arg, song");
}
if (source->client && strcmp (client->connection.ip, source->client->connection.ip) != 0)
if (connection_check_admin_pass (client->parser) == 0)
same_ip = 0;
if (same_ip && source->format && source->format->set_tag)
{
httpp_set_query_param (client->parser, "mount", client->server_conn->shoutcast_mount);
source->format->set_tag (source->format, "title", value, NULL);
source->format->set_tag (source->format, NULL, NULL, NULL);
DEBUG2("Metadata on mountpoint %s changed to \"%s\"", source->mount, value);
thread_mutex_unlock (&source->lock);
return html_success(client, "Metadata update successful");
}
thread_mutex_unlock (&source->lock);
return client_send_400 (client, "mountpoint will not accept URL updates");
}
if (strcmp (action, "viewxml") == 0)
{
xmlDocPtr doc;
DEBUG0("Got shoutcast viewxml request");
thread_mutex_unlock (&source->lock);
doc = stats_get_xml (STATS_ALL, source->mount);
return admin_send_response (doc, client, XSLT, "viewxml.xsl");
}
thread_mutex_unlock (&source->lock);
return client_send_400 (client, "No such action");
}
void admin_handle_request(client_t *client, const char *uri)
{
const char *mount, *command_string;
int command;
DEBUG1("Admin request (%s)", uri);
if (!((strcmp(uri, "/admin.cgi") == 0) ||
(strncmp("/admin/", uri, 7) == 0))) {
ERROR0("Internal error: admin request isn't");
client_send_401(client);
return;
}
if (strcmp(uri, "/admin.cgi") == 0) {
command_string = uri + 1;
}
else {
command_string = uri + 7;
}
DEBUG1("Got command (%s)", command_string);
command = admin_get_command(command_string);
if(command < 0) {
ERROR1("Error parsing command string or unrecognised command: %s",
command_string);
client_send_400(client, "Unrecognised command");
return;
}
if (command == COMMAND_SHOUTCAST_METADATA_UPDATE) {
ice_config_t *config;
const char *sc_mount;
const char *pass = httpp_get_query_param (client->parser, "pass");
listener_t *listener;
if (pass == NULL)
{
client_send_400 (client, "missing pass parameter");
return;
}
config = config_get_config ();
sc_mount = config->shoutcast_mount;
listener = config_get_listen_sock (config, client->con);
if (listener && listener->shoutcast_mount)
sc_mount = listener->shoutcast_mount;
httpp_set_query_param (client->parser, "mount", sc_mount);
httpp_setvar (client->parser, HTTPP_VAR_PROTOCOL, "ICY");
httpp_setvar (client->parser, HTTPP_VAR_ICYPASSWORD, pass);
config_release_config ();
}
mount = httpp_get_query_param(client->parser, "mount");
if(mount != NULL) {
source_t *source;
/* this request does not require auth but can apply to files on webroot */
if (command == COMMAND_BUILDM3U)
{
command_buildm3u (client, mount);
return;
}
/* This is a mount request, handle it as such */
if (!connection_check_admin_pass(client->parser))
{
if (!connection_check_source_pass(client->parser, mount))
{
INFO1("Bad or missing password on mount modification admin "
"request (command: %s)", command_string);
client_send_401(client);
return;
}
}
avl_tree_rlock(global.source_tree);
source = source_find_mount_raw(mount);
if (source == NULL)
{
WARN2("Admin command %s on non-existent source %s",
command_string, mount);
avl_tree_unlock(global.source_tree);
client_send_400(client, "Source does not exist");
}
else
{
if (source->running == 0 && source->on_demand == 0)
{
avl_tree_unlock (global.source_tree);
INFO2("Received admin command %s on unavailable mount \"%s\"",
command_string, mount);
client_send_400 (client, "Source is not available");
return;
}
if (command == COMMAND_SHOUTCAST_METADATA_UPDATE &&
source->shoutcast_compat == 0)
{
avl_tree_unlock (global.source_tree);
ERROR0 ("illegal change of metadata on non-shoutcast "
"compatible stream");
client_send_400 (client, "illegal metadata call");
return;
}
INFO2("Received admin command %s on mount \"%s\"",
command_string, mount);
admin_handle_mount_request(client, source, command);
avl_tree_unlock(global.source_tree);
}
}
else {
if (command == COMMAND_PLAINTEXT_LISTSTREAM) {
/* this request is used by a slave relay to retrieve
mounts from the master, so handle this request
validating against the relay password */
if(!connection_check_relay_pass(client->parser)) {
INFO1("Bad or missing password on admin command "
"request (command: %s)", command_string);
client_send_401(client);
return;
}
}
else {
if(!connection_check_admin_pass(client->parser)) {
INFO1("Bad or missing password on admin command "
"request (command: %s)", command_string);
client_send_401(client);
return;
}
}
admin_handle_general_request(client, command);
}
}
/* Connection thread. Here we take clients off the connection queue and check
* the contents provided. We set up the parser then hand off to the specific
* request handler.
*/
static void _handle_connection(void)
{
http_parser_t *parser;
const char *rawuri;
client_queue_t *node;
while (1)
{
node = _get_connection();
if (node)
{
client_t *client = node->client;
/* Check for special shoutcast compatability processing */
if (node->shoutcast)
{
_handle_shoutcast_compatible (node);
continue;
}
/* process normal HTTP headers */
parser = httpp_create_parser();
httpp_initialize(parser, NULL);
client->parser = parser;
if (httpp_parse (parser, client->refbuf->data, node->offset))
{
char *uri;
/* we may have more than just headers, so prepare for it */
if (node->stream_offset == node->offset)
client->refbuf->len = 0;
else
{
char *ptr = client->refbuf->data;
client->refbuf->len = node->offset - node->stream_offset;
memmove (ptr, ptr + node->stream_offset, client->refbuf->len);
}
rawuri = httpp_getvar(parser, HTTPP_VAR_URI);
/* assign a port-based shoutcast mountpoint if required */
if (node->shoutcast_mount && strcmp (rawuri, "/admin.cgi") == 0)
httpp_set_query_param (client->parser, "mount", node->shoutcast_mount);
free (node->shoutcast_mount);
free (node);
if (strcmp("ICE", httpp_getvar(parser, HTTPP_VAR_PROTOCOL)) &&
strcmp("HTTP", httpp_getvar(parser, HTTPP_VAR_PROTOCOL))) {
ERROR0("Bad HTTP protocol detected");
client_destroy (client);
continue;
}
uri = util_normalise_uri(rawuri);
if (uri == NULL)
{
client_destroy (client);
continue;
}
if (parser->req_type == httpp_req_source || parser->req_type == httpp_req_put) {
_handle_source_request (client, uri);
}
else if (parser->req_type == httpp_req_stats) {
_handle_stats_request (client, uri);
}
else if (parser->req_type == httpp_req_get) {
_handle_get_request (client, uri);
}
else {
ERROR0("Wrong request type from client");
client_send_400 (client, "unknown request");
}
free(uri);
}
else
{
free (node);
ERROR0("HTTP request parsing failed");
client_destroy (client);
}
continue;
}
break;
}
}
int admin_handle_request (client_t *client, const char *uri)
{
const char *mount = httpp_get_query_param(client->parser, "mount");
if (strcmp (uri, "/admin.cgi") == 0)
{
const char *pass = httpp_get_query_param (client->parser, "pass");
if (pass == NULL)
return client_send_400 (client, "missing pass parameter");
uri++;
if (mount == NULL)
{
if (client->server_conn && client->server_conn->shoutcast_mount)
httpp_set_query_param (client->parser, "mount",
client->server_conn->shoutcast_mount);
mount = httpp_get_query_param (client->parser, "mount");
}
httpp_setvar (client->parser, HTTPP_VAR_PROTOCOL, "ICY");
httpp_setvar (client->parser, HTTPP_VAR_ICYPASSWORD, pass);
client->username = strdup ("source");
client->password = strdup (pass);
}
else
uri += 7;
if (connection_check_admin_pass (client->parser))
client->flags |= CLIENT_AUTHENTICATED;
else
{
/* special case for slaves requesting a streamlist for authenticated relaying */
if (strcmp (uri, "streams") == 0 || strcmp (uri, "streamlist.txt") == 0)
{
if (connection_check_relay_pass (client->parser))
client->flags |= CLIENT_AUTHENTICATED;
}
}
if (mount)
{
/* no auth/stream required for this */
if (strcmp (uri, "buildm3u") == 0)
return command_buildm3u (client, mount);
if (strcmp (uri, "showimage") == 0)
return command_show_image (client, mount);
/* This is a mount request, but admin user is allowed */
if ((client->flags & CLIENT_AUTHENTICATED) == 0)
{
switch (auth_check_source (client, mount))
{
case 0:
break;
default:
INFO1("Bad or missing password on mount modification "
"admin request (%s)", uri);
return client_send_401 (client, NULL);
/* fall through */
case 1:
return 0;
}
}
if (strcmp (uri, "streams") == 0)
return auth_add_listener ("/admin/streams", client);
return admin_mount_request (client, uri);
}
return admin_handle_general_request (client, uri);
}
