[FFmpeg-cvslog] avformat/hls: forbid all protocols except http(s) & file

[Maxim Andreev]

ffmpeg | branch: release/2.7 | Maxim Andreev <andreevma...@gmail.com> | Wed Jan 
13 11:51:12 2016 +0300| [cde38373d134e6cf6a92d900fb2f3ce996e4655c] | committer: 
Michael Niedermayer

avformat/hls: forbid all protocols except http(s) & file

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
(cherry picked from commit 7145e80b4f78cff5ed5fee04d4c4d53daaa0e077)

Conflicts:

        libavformat/hls.c

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cde38373d134e6cf6a92d900fb2f3ce996e4655c
---

 libavformat/hls.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libavformat/hls.c b/libavformat/hls.c
index bd34329..e7e323b 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1036,6 +1036,12 @@ static int open_input(HLSContext *c, struct playlist 
*pls, struct segment *seg)
            seg->url, seg->url_offset, pls->index);
 
     if (seg->key_type == KEY_NONE) {
+        const char *proto_name = avio_find_protocol_name(seg->url);
+        if (!av_strstart(proto_name, "http", NULL) && !av_strstart(proto_name, 
"file", NULL)) {
+            ret = AVERROR_INVALIDDATA;
+            goto cleanup;
+        }
+
         ret = ffurl_open(&pls->input, seg->url, AVIO_FLAG_READ,
                           &pls->parent->interrupt_callback, &opts);
 
@@ -1043,6 +1049,11 @@ static int open_input(HLSContext *c, struct playlist 
*pls, struct segment *seg)
         char iv[33], key[33], url[MAX_URL_SIZE];
         if (strcmp(seg->key, pls->key_url)) {
             URLContext *uc;
+            const char *proto_name = avio_find_protocol_name(seg->key);
+            if (!av_strstart(proto_name, "http", NULL) && 
!av_strstart(proto_name, "file", NULL)) {
+                ret = AVERROR_INVALIDDATA;
+                goto cleanup;
+            }
             if (ffurl_open(&uc, seg->key, AVIO_FLAG_READ,
                            &pls->parent->interrupt_callback, &opts2) == 0) {
                 if (ffurl_read_complete(uc, pls->key, sizeof(pls->key))

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