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Revert "avformat/hls: Check local file extensions"

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Requested-by: Paul B Mahol <onemda@gmail.com>
This reverts commit caf7d6178a4d5f24c915da48410a9790b21703aa.
This commit is contained in:
Michael Niedermayer 2017-06-05 13:24:36 +02:00
parent 10b7adf79d
commit c0702ab830
1 changed files with 1 additions and 17 deletions
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18
libavformat/hls.c
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@ -204,7 +204,6 @@ typedef struct HLSContext {
char *http_proxy; ///< holds the address of the HTTP proxy server char *http_proxy; ///< holds the address of the HTTP proxy server
AVDictionary *avio_opts; AVDictionary *avio_opts;
int strict_std_compliance; int strict_std_compliance;
char *allowed_extensions;
} HLSContext; } HLSContext;
static int read_chomp_line(AVIOContext *s, char *buf, int maxlen) static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
@ -619,19 +618,8 @@ static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
// only http(s) & file are allowed // only http(s) & file are allowed
if (av_strstart(proto_name, "file", NULL)) { if (!av_strstart(proto_name, "http", NULL) && !av_strstart(proto_name, "file", NULL))
if (strcmp(c->allowed_extensions, "ALL") && !av_match_ext(url, c->allowed_extensions)) {
av_log(s, AV_LOG_ERROR,
"Filename extension of \'%s\' is not a common multimedia extension, blocked for security reasons.\n"
"If you wish to override this adjust allowed_extensions, you can set it to \'ALL\' to allow all\n",
url);
return AVERROR_INVALIDDATA;
}
} else if (av_strstart(proto_name, "http", NULL)) {
;
} else
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
if (!strncmp(proto_name, url, strlen(proto_name)) && url[strlen(proto_name)] == ':') if (!strncmp(proto_name, url, strlen(proto_name)) && url[strlen(proto_name)] == ':')
; ;
else if (av_strstart(url, "crypto", NULL) && !strncmp(proto_name, url + 7, strlen(proto_name)) && url[7 + strlen(proto_name)] == ':') else if (av_strstart(url, "crypto", NULL) && !strncmp(proto_name, url + 7, strlen(proto_name)) && url[7 + strlen(proto_name)] == ':')
@ -2146,10 +2134,6 @@ static int hls_probe(AVProbeData *p)
static const AVOption hls_options[] = { static const AVOption hls_options[] = {
{"live_start_index", "segment index to start live streams at (negative values are from the end)", {"live_start_index", "segment index to start live streams at (negative values are from the end)",
OFFSET(live_start_index), AV_OPT_TYPE_INT, {.i64 = -3}, INT_MIN, INT_MAX, FLAGS}, OFFSET(live_start_index), AV_OPT_TYPE_INT, {.i64 = -3}, INT_MIN, INT_MAX, FLAGS},
{"allowed_extensions", "List of file extensions that hls is allowed to access",
OFFSET(allowed_extensions), AV_OPT_TYPE_STRING,
{.str = "3gp,aac,avi,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav"},
INT_MIN, INT_MAX, FLAGS},
{NULL} {NULL}
}; };