[FFmpeg-devel] [FFmpeg-cvslog] avformat/tls_schannel: add DTLS support
Michael Niedermayer
michael at niedermayer.cc
Sun Jul 13 03:32:57 EEST 2025
On Fri, Jul 11, 2025 at 04:04:17PM +0000, Timo Rothenpieler wrote:
> ffmpeg | branch: master | Timo Rothenpieler <timo at rothenpieler.org> | Tue Jun 24 19:30:19 2025 +0200| [90fa9636efff84ec5a4b06815722c08188dca551] | committer: Timo Rothenpieler
>
> avformat/tls_schannel: add DTLS support
>
> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=90fa9636efff84ec5a4b06815722c08188dca551
> ---
>
> configure | 6 +-
> libavformat/tls_schannel.c | 890 +++++++++++++++++++++++++++++++++++++++++----
> libavformat/version.h | 2 +-
> 3 files changed, 833 insertions(+), 65 deletions(-)
breaks on mingw64
src/libavformat/tls_schannel.c: In function ‘ff_dtls_export_materials’:
src/libavformat/tls_schannel.c:606:5: error: unknown type name ‘SecPkgContext_KeyingMaterialInfo’; did you mean ‘SecPkgContext_NegotiationInfo’?
606 | SecPkgContext_KeyingMaterialInfo keying_info = { 0 };
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| SecPkgContext_NegotiationInfo
src/libavformat/tls_schannel.c:607:5: error: unknown type name ‘SecPkgContext_KeyingMaterial’; did you mean ‘SecPkgContext_KeyInfoW’?
607 | SecPkgContext_KeyingMaterial keying_material = { 0 };
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| SecPkgContext_KeyInfoW
src/libavformat/tls_schannel.c:615:16: error: request for member ‘cbLabel’ in something not a structure or union
615 | keying_info.cbLabel = strlen(dst) + 1;
| ^
src/libavformat/tls_schannel.c:616:16: error: request for member ‘pszLabel’ in something not a structure or union
616 | keying_info.pszLabel = (LPSTR)dst;
| ^
src/libavformat/tls_schannel.c:617:16: error: request for member ‘cbContextValue’ in something not a structure or union
617 | keying_info.cbContextValue = 0;
| ^
src/libavformat/tls_schannel.c:618:16: error: request for member ‘pbContextValue’ in something not a structure or union
618 | keying_info.pbContextValue = NULL;
| ^
src/libavformat/tls_schannel.c:619:16: error: request for member ‘cbKeyingMaterial’ in something not a structure or union
619 | keying_info.cbKeyingMaterial = materials_sz;
| ^
src/libavformat/tls_schannel.c:621:54: error: ‘SECPKG_ATTR_KEYING_MATERIAL_INFO’ undeclared (first use in this function); did you mean ‘SECPKG_ATTR_NEGOTIATION_INFO’?
621 | sspi_ret = SetContextAttributes(&c->ctxt_handle, SECPKG_ATTR_KEYING_MATERIAL_INFO, &keying_info, sizeof(keying_info));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| SECPKG_ATTR_NEGOTIATION_INFO
src/libavformat/tls_schannel.c:621:54: note: each undeclared identifier is reported only once for each function it appears in
src/libavformat/tls_schannel.c:627:56: error: ‘SECPKG_ATTR_KEYING_MATERIAL’ undeclared (first use in this function)
627 | sspi_ret = QueryContextAttributes(&c->ctxt_handle, SECPKG_ATTR_KEYING_MATERIAL, &keying_material);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
src/libavformat/tls_schannel.c:633:48: error: request for member ‘pbKeyingMaterial’ in something not a structure or union
633 | memcpy(dtls_srtp_materials, keying_material.pbKeyingMaterial, FFMIN(materials_sz, keying_material.cbKeyingMaterial));
| ^
In file included from src/libavutil/error.h:30,
from src/libavutil/common.h:43,
from src/libavutil/avutil.h:300,
from src/libavcodec/codec_par.h:26,
from src/libavformat/avformat.h:312,
from src/libavformat/tls_schannel.c:24:
src/libavformat/tls_schannel.c:633:102: error: request for member ‘cbKeyingMaterial’ in something not a structure or union
633 | memcpy(dtls_srtp_materials, keying_material.pbKeyingMaterial, FFMIN(materials_sz, keying_material.cbKeyingMaterial));
| ^
src/libavutil/macros.h:49:28: note: in definition of macro ‘FFMIN’
49 | #define FFMIN(a,b) ((a) > (b) ? (b) : (a))
| ^
src/libavformat/tls_schannel.c:633:102: error: request for member ‘cbKeyingMaterial’ in something not a structure or union
633 | memcpy(dtls_srtp_materials, keying_material.pbKeyingMaterial, FFMIN(materials_sz, keying_material.cbKeyingMaterial));
| ^
src/libavutil/macros.h:49:34: note: in definition of macro ‘FFMIN’
49 | #define FFMIN(a,b) ((a) > (b) ? (b) : (a))
| ^
src/libavformat/tls_schannel.c:634:38: error: request for member ‘pbKeyingMaterial’ in something not a structure or union
634 | FreeContextBuffer(keying_material.pbKeyingMaterial);
| ^
src/libavformat/tls_schannel.c:636:24: error: request for member ‘cbKeyingMaterial’ in something not a structure or union
636 | if (keying_material.cbKeyingMaterial > materials_sz) {
| ^
src/libavformat/tls_schannel.c:637:96: error: request for member ‘cbKeyingMaterial’ in something not a structure or union
637 | av_log(h, AV_LOG_WARNING, "Keying material size mismatch: %ld > %zu\n", keying_material.cbKeyingMaterial, materials_sz);
| ^
src/libavformat/tls_schannel.c: In function ‘tls_shutdown_client’:
src/libavformat/tls_schannel.c:710:29: error: ‘SEC_I_MESSAGE_FRAGMENT’ undeclared (first use in this function)
710 | } while(sspi_ret == SEC_I_MESSAGE_FRAGMENT || sspi_ret == SEC_I_CONTINUE_NEEDED);
| ^~~~~~~~~~~~~~~~~~~~~~
src/libavformat/tls_schannel.c: In function ‘tls_handshake_loop’:
src/libavformat/tls_schannel.c:862:62: error: ‘SEC_I_MESSAGE_FRAGMENT’ undeclared (first use in this function)
862 | if (sspi_ret == SEC_I_CONTINUE_NEEDED || sspi_ret == SEC_I_MESSAGE_FRAGMENT || sspi_ret == SEC_E_OK) {
| ^~~~~~~~~~~~~~~~~~~~~~
src/libavformat/tls_schannel.c: In function ‘tls_handshake’:
src/libavformat/tls_schannel.c:1016:58: error: ‘SECPKG_ATTR_DTLS_MTU’ undeclared (first use in this function); did you mean ‘SECPKG_ATTR_TARGET’?
1016 | sspi_ret = SetContextAttributes(&c->ctxt_handle, SECPKG_ATTR_DTLS_MTU, &mtu, sizeof(mtu));
| ^~~~~~~~~~~~~~~~~~~~
| SECPKG_ATTR_TARGET
src/libavformat/tls_schannel.c: In function ‘tls_open’:
src/libavformat/tls_schannel.c:1072:51: error: ‘SP_PROT_DTLS1_X_SERVER’ undeclared (first use in this function); did you mean ‘SP_PROT_TLS1_SERVER’?
1072 | schannel_cred.grbitEnabledProtocols = SP_PROT_DTLS1_X_SERVER;
| ^~~~~~~~~~~~~~~~~~~~~~
| SP_PROT_TLS1_SERVER
src/libavformat/tls_schannel.c:1083:51: error: ‘SP_PROT_DTLS1_X_CLIENT’ undeclared (first use in this function); did you mean ‘SP_PROT_TLS1_CLIENT’?
1083 | schannel_cred.grbitEnabledProtocols = SP_PROT_DTLS1_X_CLIENT;
| ^~~~~~~~~~~~~~~~~~~~~~
| SP_PROT_TLS1_CLIENT
make: *** [/home/michael/ffmpeg-git/ffmpeg/ffbuild/common.mak:81: libavformat/tls_schannel.o] Error 1
make: *** Waiting for unfinished jobs....
STRIP libavfilter/x86/colorspacedsp.o
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 195 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20250713/1789c4e1/attachment.sig>
More information about the ffmpeg-devel
mailing list