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GUACAMOLE-422: Try to avoid memory leaks with mimetypes.

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This commit is contained in:
Nick Couchman 2019-04-17 14:56:51 -04:00
parent 340aef5362
commit 54f88531d4
2 changed files with 13 additions and 0 deletions
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9
src/libguac/user-handlers.c
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@ -622,6 +622,8 @@ int __guac_handshake_size_handler(guac_user* user, int argc, char** argv) {
int __guac_handshake_audio_handler(guac_user* user, int argc, char** argv) {
guac_free_mimetypes((char **) user->info.audio_mimetypes);
/* Store audio mimetypes */
user->info.audio_mimetypes = (const char**) guac_copy_mimetypes(argv, argc);
@ -631,6 +633,8 @@ int __guac_handshake_audio_handler(guac_user* user, int argc, char** argv) {
int __guac_handshake_video_handler(guac_user* user, int argc, char** argv) {
guac_free_mimetypes((char **) user->info.video_mimetypes);
/* Store video mimetypes */
user->info.video_mimetypes = (const char**) guac_copy_mimetypes(argv, argc);
@ -640,6 +644,8 @@ int __guac_handshake_video_handler(guac_user* user, int argc, char** argv) {
int __guac_handshake_image_handler(guac_user* user, int argc, char** argv) {
guac_free_mimetypes((char **) user->info.image_mimetypes);
/* Store image mimetypes */
user->info.image_mimetypes = (const char**) guac_copy_mimetypes(argv, argc);
@ -680,6 +686,9 @@ char** guac_copy_mimetypes(char** mimetypes, int count) {
void guac_free_mimetypes(char** mimetypes) {
if (mimetypes == NULL)
return;
char** current_mimetype = mimetypes;
/* Free all strings within NULL-terminated mimetype array */

4
src/libguac/user-handshake.c
View File

@ -235,6 +235,10 @@ int guac_user_handle_connection(guac_user* user, int usec_timeout) {
guac_socket* socket = user->socket;
guac_client* client = user->client;
user->info.audio_mimetypes = NULL;
user->info.image_mimetypes = NULL;
user->info.video_mimetypes = NULL;
/* Send args */
if (guac_protocol_send_args(socket, client->args)
|| guac_socket_flush(socket)) {