static int _handle_client (client_t *client)
{
const char *rawuri;
http_parser_t *parser = client->parser;
char *uri;
rawuri = httpp_getvar(parser, HTTPP_VAR_URI);
if (strcmp("ICE", httpp_getvar(parser, HTTPP_VAR_PROTOCOL)) &&
strcmp("HTTP", httpp_getvar(parser, HTTPP_VAR_PROTOCOL))) {
client_send_400 (client, "Bad HTTP protocol");
return -EINPROGRESS;
}
uri = util_normalise_uri(rawuri);
if (uri == NULL) {
client_send_400 (client, "Couldn't normalize uri");
return -EINPROGRESS;
}
if (parser->req_type == httpp_req_source) {
_handle_source_request (client, uri);
}
else if (parser->req_type == httpp_req_post) {
_handle_post_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 {
client_send_400 (client, "Wrong request type from client");
return -EINPROGRESS;
}
free(uri);
return 1;
}
/* 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;
}
}
/* 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 *arg)
{
http_parser_t *parser;
char *rawuri, *uri;
while (global.running == ICE_RUNNING) {
kitsune_update("connection_handle"); /**DSU updatepoint */
client_queue_t *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))
{
/* 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);
}
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;
}
rawuri = httpp_getvar(parser, HTTPP_VAR_URI);
uri = util_normalise_uri(rawuri);
if (uri == NULL)
{
client_destroy (client);
continue;
}
if (parser->req_type == httpp_req_source) {
_handle_source_request (client, uri, ICECAST_SOURCE_AUTH);
}
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;
}
thread_sleep (50000);
}
DEBUG0 ("Connection thread done");
return NULL;
}
static void _handle_shoutcast_compatible (client_queue_t *node)
{
char *http_compliant;
int http_compliant_len = 0;
http_parser_t *parser;
ice_config_t *config = config_get_config ();
char *shoutcast_mount;
client_t *client = node->client;
if (node->shoutcast == 1)
{
char *source_password, *ptr;
mount_proxy *mountinfo = config_find_mount (config, config->shoutcast_mount);
if (mountinfo && mountinfo->password)
source_password = strdup (mountinfo->password);
else
source_password = strdup (config->source_password);
config_release_config();
/* Get rid of trailing \r\n or \n after password */
ptr = strstr (client->refbuf->data, "\r\n");
if (ptr == NULL)
ptr = strstr (client->refbuf->data, "\n");
if (ptr == NULL)
{
client_destroy (client);
free (source_password);
free (node);
return;
}
*ptr = '\0';
if (strcmp (client->refbuf->data, source_password) == 0)
{
client->respcode = 200;
/* send this non-blocking but if there is only a partial write
* then leave to header timeout */
sock_write (client->con->sock, "OK2\r\n");
memset (client->refbuf->data, 0, client->refbuf->len);
node->shoutcast = 2;
node->offset = 0;
/* we've checked the password, now send it back for reading headers */
_add_request_queue (node);
free (source_password);
return;
}
client_destroy (client);
free (node);
return;
}
shoutcast_mount = strdup (config->shoutcast_mount);
config_release_config();
/* Here we create a valid HTTP request based of the information
that was passed in via the non-HTTP style protocol above. This
means we can use some of our existing code to handle this case */
http_compliant_len = 20 + strlen (shoutcast_mount) + node->offset;
http_compliant = (char *)calloc(1, http_compliant_len);
snprintf (http_compliant, http_compliant_len,
"SOURCE %s HTTP/1.0\r\n%s", shoutcast_mount, client->refbuf->data);
parser = httpp_create_parser();
httpp_initialize(parser, NULL);
if (httpp_parse (parser, http_compliant, strlen(http_compliant)))
{
/* 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);
}
client->parser = parser;
_handle_source_request (client, shoutcast_mount, SHOUTCAST_SOURCE_AUTH);
}
else
client_destroy (client);
free (http_compliant);
free (shoutcast_mount);
free (node);
return;
}
static void *_handle_connection(void *arg)
{
char header[4096];
connection_t *con;
http_parser_t *parser;
char *rawuri, *uri;
client_t *client;
while (global.running == ICE_RUNNING) {
/* grab a connection and set the socket to blocking */
while ((con = _get_connection())) {
/* Handle meta-connections */
if(con->event_number > 0) {
switch(con->event_number) {
case EVENT_CONFIG_READ:
event_config_read(con->event);
break;
default:
ERROR1("Unknown event number: %d", con->event_number);
break;
}
free(con);
continue;
}
stats_event_inc(NULL, "connections");
sock_set_blocking(con->sock, SOCK_BLOCK);
/* fill header with the http header */
memset(header, 0, sizeof (header));
if (util_read_header(con->sock, header, sizeof (header)) == 0) {
/* either we didn't get a complete header, or we timed out */
connection_close(con);
continue;
}
parser = httpp_create_parser();
httpp_initialize(parser, NULL);
if (httpp_parse(parser, header, strlen(header))) {
/* handle the connection or something */
if (strcmp("ICE", httpp_getvar(parser, HTTPP_VAR_PROTOCOL)) &&
strcmp("HTTP", httpp_getvar(parser, HTTPP_VAR_PROTOCOL))) {
ERROR0("Bad HTTP protocol detected");
connection_close(con);
httpp_destroy(parser);
continue;
}
rawuri = httpp_getvar(parser, HTTPP_VAR_URI);
uri = util_normalise_uri(rawuri);
if(!uri) {
client = client_create(con, parser);
client_send_404(client, "The path you requested was invalid");
continue;
}
if (parser->req_type == httpp_req_source) {
_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;
}
else if(httpp_parse_icy(parser, header, strlen(header))) {
/* TODO: Map incoming icy connections to /icy_0, etc. */
char mount[20];
unsigned i = 0;
strcpy(mount, "/");
avl_tree_rlock(global.source_tree);
while (source_find_mount (mount) != NULL) {
snprintf (mount, sizeof (mount), "/icy_%u", i++);
}
avl_tree_unlock(global.source_tree);
_handle_source_request(con, parser, mount);
continue;
}
else {
ERROR0("HTTP request parsing failed");
connection_close(con);
httpp_destroy(parser);
continue;
}
}
thread_sleep (100000);
}
DEBUG0 ("Connection thread done");
return NULL;
}