[FFmpeg-devel] [PATCH] avformat/libsrt: Fix srt:// URL parsing

[Marton Balint]

On Mon, 12 Feb 2024, Ingo Oppermann wrote:

> Add missing NULL check and use ff_urldecode for string query
> parameters.

Will apply, thanks.

Marton

>
> Signed-off-by: Ingo Oppermann <ingo at datarhei.com>
> ---
> libavformat/libsrt.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/libavformat/libsrt.c b/libavformat/libsrt.c
> index cd8f5b1e7d..d549aea1f7 100644
> --- a/libavformat/libsrt.c
> +++ b/libavformat/libsrt.c
> @@ -32,6 +32,7 @@
> #include "network.h"
> #include "os_support.h"
> #include "url.h"
> +#include "urldecode.h"
>
> /* This is for MPEG-TS and it's a default SRTO_PAYLOADSIZE for SRTT_LIVE (8 TS packets) */
> #ifndef SRT_LIVE_DEFAULT_PAYLOAD_SIZE
> @@ -547,7 +548,11 @@ static int libsrt_open(URLContext *h, const char *uri, int flags)
>         }
>         if (av_find_info_tag(buf, sizeof(buf), "passphrase", p)) {
>             av_freep(&s->passphrase);
> -            s->passphrase = av_strndup(buf, strlen(buf));
> +            s->passphrase = ff_urldecode(buf, 1);
> +            if (!s->passphrase) {
> +                ret = AVERROR(ENOMEM);
> +                goto err;
> +            }
>         }
> #if SRT_VERSION_VALUE >= 0x010302
>         if (av_find_info_tag(buf, sizeof(buf), "enforced_encryption", p)) {
> @@ -632,7 +637,7 @@ static int libsrt_open(URLContext *h, const char *uri, int flags)
>         }
>         if (av_find_info_tag(buf, sizeof(buf), "streamid", p)) {
>             av_freep(&s->streamid);
> -            s->streamid = av_strdup(buf);
> +            s->streamid = ff_urldecode(buf, 1);
>             if (!s->streamid) {
>                 ret = AVERROR(ENOMEM);
>                 goto err;
> @@ -640,7 +645,7 @@ static int libsrt_open(URLContext *h, const char *uri, int flags)
>         }
>         if (av_find_info_tag(buf, sizeof(buf), "smoother", p)) {
>             av_freep(&s->smoother);
> -            s->smoother = av_strdup(buf);
> +            s->smoother = ff_urldecode(buf, 1);
>             if(!s->smoother) {
>                 ret = AVERROR(ENOMEM);
>                 goto err;
> @@ -671,6 +676,7 @@ static int libsrt_open(URLContext *h, const char *uri, int flags)
> err:
>     av_freep(&s->smoother);
>     av_freep(&s->streamid);
> +    av_freep(&s->passphrase);
>     srt_cleanup();
>     return ret;
> }
> -- 
> 2.39.3 (Apple Git-145)
>
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