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gpg: Show debugging info if a sig with an unsupported sig class is used. 

* g10/sig-check.c (check_key_signature2): If SIG->CLASS is
unsupported, show some debugging information.  Don't use BUG to fail.
Just return GPG_ERR_BAD_SIGNATURE.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
This commit is contained in:
Neal H. Walfield 2016-02-25 21:22:55 +01:00
parent 960f5e26f2
commit 87515e3929
1 changed files with 6 additions and 1 deletions
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7
g10/sig-check.c
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@ -1086,7 +1086,12 @@ check_key_signature2 (kbnode_t root, kbnode_t node, PKT_public_key *check_pk,
}
}
else
BUG ();
{
log_info ("sig issued by %s with class %d (digest: %x %x) is not valid over a user id or a key id, ignoring.\n",
keystr (sig->keyid), sig->sig_class,
sig->digest_start[0], sig->digest_start[1]);
rc = gpg_error (GPG_ERR_BAD_SIGNATURE);
}
cache_sig_result (sig, rc);