https://bugzilla.mindrot.org/show_bug.cgi?id=3748

Jó Ágila Bitsch <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #3881|0                           |1
        is obsolete|                            |

--- Comment #10 from Jó Ágila Bitsch <[email protected]> ---
Comment on attachment 3881
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3881
patch for allowing webauthn signatures via ssh agent

>diff --git a/sshkey.c b/sshkey.c
>index 9e31411e2..57a61fd7b 100644
>--- a/sshkey.c
>+++ b/sshkey.c
>@@ -315,6 +315,9 @@ sshkey_match_keyname_to_sigalgs(const char *keyname, const 
>char *sigalgs)
>                   sigalgs, 0) == 1 ||
>                   match_pattern_list("[email protected]",
>                   sigalgs, 0) == 1;
>+      } else if (ktype == KEY_ECDSA_SK) {
>+              return match_pattern_list("[email protected]", 
>sigalgs, 0) == 1 ||
>+                  
>match_pattern_list("[email protected]", sigalgs, 0) 
>== 1;
>       } else
>               return match_pattern_list(keyname, sigalgs, 0) == 1;
> }
>@@ -2162,17 +2165,14 @@ int
> sshkey_check_sigtype(const u_char *sig, size_t siglen,
>     const char *requested_alg)
> {
>-      const char *expected_alg;
>       char *sigtype = NULL;
>       int r;
> 
>       if (requested_alg == NULL)
>               return 0;
>-      if ((expected_alg = sshkey_sigalg_by_name(requested_alg)) == NULL)
>-              return SSH_ERR_INVALID_ARGUMENT;
>       if ((r = sshkey_get_sigtype(sig, siglen, &sigtype)) != 0)
>               return r;
>-      r = strcmp(expected_alg, sigtype) == 0;
>+      r = sshkey_match_keyname_to_sigalgs(requested_alg, sigtype);
>       free(sigtype);
>       return r ? 0 : SSH_ERR_SIGN_ALG_UNSUPPORTED;
> }

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