[Libav-user] rtsp base64 encoded credentials

[Paul B Mahol]

On 4/13/20, Richard Lince <richard.lince at bluebox.video> wrote:
> Hi all,
>
> I've done a little more digging with a bug which I believe must be quite
> common, string parsing at "av_url_split" for authentication extraction.
> The issue exists in v4.2.2.
>
> line 4817 - libavformat/utils.c
> <https://github.com/FFmpeg/FFmpeg/commit/554576b6cfe79a91d37e14d3617ca417562085db#diff-b45fad75a4dfb82ef50e978d38dc2649>
>
> ls = p + strcspn(p, "/?#");
>
> This does not permit  passwords or user names with the characters:
> "/?#"
>
> Can anyone confirm this to be the case or not please.
>
> example:
> "rtsp://admin:bob#bob@192.168.0.1:544/27f255e7-07be-38b7-83a3-fec9072713de"
>
> last commit (however always perhaps broken)
> https://github.com/FFmpeg/FFmpeg/commit/554576b6cfe79a91d37e14d3617ca417562085db#diff-b45fad75a4dfb82ef50e978d38dc2649

Please try latest ffmpeg build version.


>
> Cheers.
> Rich.
>
> On 08/04/2020 16:42, Richard Lince wrote:
>> Hi,
>> I'm looking at a way to use a base64 digest string as input into the
>> "avformat_open_input" call for the credentials portion.
>> Sure that you would normally use:
>> rtsp://user:pass@192.168.0.30/live/ch00_0
>> format as an example, however, this format does not account for
>> invalid characters that are valid password characters, examples:
>> @password
>> password/\""
>> password/""password/""
>> password""password""
>>
>> Perhaps a method exists that I'm unaware of, any ideas welcome.
>> Cheers,
>> Rich.
>> logo
>>
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>
> Best Regards,
> Richard Lince,
> Owner and Founder
>
> bluebox.video <https://www.bluebox.video>
> +44(0)7841665146
> Skype: richard.lince77
>
> logo
>