mirror of
https://gitlab.xiph.org/xiph/icecast-server.git
synced 2025-01-03 14:56:34 -05:00
More path handling cleanups, and memory leak fixes.
svn path=/trunk/icecast/; revision=3804
This commit is contained in:
Michael Smith
parent
850cf995bf
commit
f349c3bf3e
@ -344,7 +344,7 @@ static void *_handle_connection(void *arg)
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int bytes;
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struct stat statbuf;
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char *fullpath;
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char *uri;
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char *rawuri, *uri;
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while (global.running == ICE_RUNNING) {
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memset(header, 0, 4096);
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@ -377,7 +377,17 @@ static void *_handle_connection(void *arg)
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continue;
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}
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uri = httpp_getvar(parser, HTTPP_VAR_URI);
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rawuri = httpp_getvar(parser, HTTPP_VAR_URI);
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uri = util_normalise_uri(rawuri);
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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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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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@ -387,6 +397,7 @@ static void *_handle_connection(void *arg)
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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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@ -399,6 +410,7 @@ static void *_handle_connection(void *arg)
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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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@ -407,6 +419,7 @@ static void *_handle_connection(void *arg)
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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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@ -417,6 +430,7 @@ static void *_handle_connection(void *arg)
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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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@ -428,7 +442,8 @@ static void *_handle_connection(void *arg)
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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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@ -449,6 +464,7 @@ static void *_handle_connection(void *arg)
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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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@ -456,8 +472,8 @@ static void *_handle_connection(void *arg)
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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_uri(uri);
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if (fullpath && util_check_valid_extension(fullpath) == XSLT_CONTENT) {
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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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@ -470,9 +486,12 @@ static void *_handle_connection(void *arg)
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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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@ -496,6 +515,8 @@ static void *_handle_connection(void *arg)
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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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@ -526,6 +547,7 @@ static void *_handle_connection(void *arg)
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}
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avl_tree_unlock(global.source_tree);
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}
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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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@ -540,6 +562,7 @@ static void *_handle_connection(void *arg)
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}
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client_destroy(client);
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global_unlock();
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free(uri);
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continue;
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}
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global_unlock();
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@ -557,6 +580,7 @@ static void *_handle_connection(void *arg)
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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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}
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free(uri);
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client_destroy(client);
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global_unlock();
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continue;
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@ -605,11 +629,13 @@ static void *_handle_connection(void *arg)
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client_destroy(client);
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}
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free(uri);
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continue;
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} else {
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ERROR0("Wrong request type from client");
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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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} else {
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39
src/util.c
39
src/util.c
@ -182,13 +182,39 @@ static int verify_path(char *path) {
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return 1;
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}
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char *util_get_path_from_uri(char *uri) {
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char *path = util_normalise_uri(uri);
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char *fullpath;
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if(!path)
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return NULL;
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else {
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fullpath = util_get_path_from_normalised_uri(path);
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free(path);
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return fullpath;
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}
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}
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char *util_get_path_from_normalised_uri(char *uri) {
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char *fullpath;
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fullpath = malloc(strlen(uri) + strlen(config_get_config()->webroot_dir) + 1);
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strcpy(fullpath, config_get_config()->webroot_dir);
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strcat(fullpath, uri);
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return fullpath;
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}
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/* Get an absolute path (from the webroot dir) from a URI. Return NULL if the
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* path contains 'disallowed' sequences like foo/../ (which could be used to
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* escape from the webroot) or if it cannot be URI-decoded.
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* Caller should free the path.
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*/
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char *util_get_path_from_uri(char *uri) {
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char *root = config_get_config()->webroot_dir;
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char *util_normalise_uri(char *uri) {
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int urilen = strlen(uri);
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unsigned char *path;
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char *dst;
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@ -198,12 +224,9 @@ char *util_get_path_from_uri(char *uri) {
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if(uri[0] != '/')
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return NULL;
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path = calloc(1, urilen + strlen(root) + 1);
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strcpy(path, root);
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dst = path+strlen(root);
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path = calloc(1, urilen + 1);
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dst = path;
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for(i=0; i < urilen; i++) {
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switch(uri[i]) {
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@ -236,8 +259,6 @@ char *util_get_path_from_uri(char *uri) {
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break;
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}
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DEBUG1("After URI-decode path is \"%s\"", path);
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*dst = 0; /* null terminator */
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/* We now have a full URI-decoded path. Check it for allowability */
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@ -9,5 +9,7 @@ int util_read_header(int sock, char *buff, unsigned long len);
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int util_check_valid_extension(char *uri);
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char *util_get_extension(char *path);
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char *util_get_path_from_uri(char *uri);
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char *util_get_path_from_normalised_uri(char *uri);
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char *util_normalise_uri(char *uri);
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#endif /* __UTIL_H__ */
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