[FFmpeg-devel] [PATCH] avformat/rtsp: support rtsps

wm4 nfxjfg at googlemail.com
Sun Oct 16 20:22:14 EEST 2016


On Sun, 16 Oct 2016 12:24:37 -0400
jayridge at gmail.com wrote:

> From: Jay Ridgeway <jayridge at gmail.com>
> 
> Pass TLS args to support RTSPS. This patch requires TLS patch.
> ---
>  libavformat/rtsp.c | 19 ++++++++++++++++---
>  libavformat/rtsp.h |  8 ++++++++
>  2 files changed, 24 insertions(+), 3 deletions(-)
> 
> diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
> index c6292c5..53ecb6c 100644
> --- a/libavformat/rtsp.c
> +++ b/libavformat/rtsp.c
> @@ -78,6 +78,7 @@
>      { "reorder_queue_size", "set number of packets to buffer for handling of reordered packets", OFFSET(reordering_queue_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC }, \
>      { "buffer_size",        "Underlying protocol send/receive buffer size",                  OFFSET(buffer_size),           AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC|ENC } \
>  
> +#define NONNULLSTR(s) (s ? s : "")
>  
>  const AVOption ff_rtsp_options[] = {
>      { "initial_pause",  "do not start playing the stream immediately", OFFSET(initial_pause), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DEC },
> @@ -97,6 +98,10 @@ const AVOption ff_rtsp_options[] = {
>      { "stimeout", "set timeout (in microseconds) of socket TCP I/O operations", OFFSET(stimeout), AV_OPT_TYPE_INT, {.i64 = 0}, INT_MIN, INT_MAX, DEC },
>      COMMON_OPTS(),
>      { "user-agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = LIBAVFORMAT_IDENT}, 0, 0, DEC },
> +    { "ca_file", "Certificate Authority database file", OFFSET(ca_file), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC|ENC },
> +    { "tls_verify", "verify the peer certificate", OFFSET(verify), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DEC|ENC},
> +    { "cert_file", "certificate file", OFFSET(cert_file), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC|ENC },
> +    { "key_file", "private key file", OFFSET(key_file),  AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC|ENC },
>      { NULL },
>  };
>  
> @@ -1812,9 +1817,17 @@ redirect:
>      } else {
>          int ret;
>          /* open the tcp connection */
> -        ff_url_join(tcpname, sizeof(tcpname), lower_rtsp_proto, NULL,
> -                    host, port,
> -                    "?timeout=%d", rt->stimeout);
> +        if (strcmp("tls", lower_rtsp_proto) == 0) {
> +            ff_url_join(tcpname, sizeof(tcpname), lower_rtsp_proto, NULL,
> +                        host, port,
> +                        "?timeout=%d&verify=%d&cafile=%s&cert_file=%s&key_file=%s",
> +                        rt->stimeout, rt->verify, NONNULLSTR(rt->ca_file),
> +                        NONNULLSTR(rt->cert_file), NONNULLSTR(rt->key_file));
> +        } else {
> +            ff_url_join(tcpname, sizeof(tcpname), lower_rtsp_proto, NULL,
> +                        host, port,
> +                        "?timeout=%d", rt->stimeout);
> +        }
>          if ((ret = ffurl_open_whitelist(&rt->rtsp_hd, tcpname, AVIO_FLAG_READ_WRITE,
>                         &s->interrupt_callback, NULL, s->protocol_whitelist, s->protocol_blacklist, NULL)) < 0) {
>              err = ret;
> diff --git a/libavformat/rtsp.h b/libavformat/rtsp.h
> index 852fd67..fa872a8 100644
> --- a/libavformat/rtsp.h
> +++ b/libavformat/rtsp.h
> @@ -408,6 +408,14 @@ typedef struct RTSPState {
>  
>      char default_lang[4];
>      int buffer_size;
> +
> +    /** The following are used for RTSPS streams */
> +    //@{
> +    char *ca_file;
> +    int verify;
> +    char *cert_file;
> +    char *key_file;
> +    //@}
>  } RTSPState;
>  
>  #define RTSP_FLAG_FILTER_SRC  0x1    /**< Filter incoming UDP packets -

I'm saying it again, but I thought passing such parameters via URL was
a deprecated idea. It also won't be able to handle all valid paths and
such.


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