diff options
Diffstat (limited to 'g10/mainproc.c')
| -rw-r--r-- | g10/mainproc.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/g10/mainproc.c b/g10/mainproc.c index a801f5ea9..b1158a5b0 100644 --- a/g10/mainproc.c +++ b/g10/mainproc.c @@ -1625,6 +1625,30 @@ proc_tree( CTX c, KBNODE node ) } else if( node->pkt->pkttype == PKT_SIGNATURE ) { PKT_signature *sig = node->pkt->pkt.signature; + int multiple_ok=1; + + n1=find_next_kbnode(node, PKT_SIGNATURE); + if(n1) + { + byte class=sig->sig_class; + byte hash=sig->digest_algo; + + for(; n1; (n1 = find_next_kbnode(n1, PKT_SIGNATURE))) + { + /* We can't currently handle multiple signatures of + different classes or digests (we'd pretty much have + to run a different hash context for each), but if + they are all the same, make an exception. */ + if(n1->pkt->pkt.signature->sig_class!=class + || n1->pkt->pkt.signature->digest_algo!=hash) + { + multiple_ok=0; + log_info(_("WARNING: multiple signatures detected. " + "Only the first will be checked.\n")); + break; + } + } + } if( sig->sig_class != 0x00 && sig->sig_class != 0x01 ) log_info(_("standalone signature of class 0x%02x\n"), @@ -1686,8 +1710,11 @@ proc_tree( CTX c, KBNODE node ) else if (!opt.quiet) log_info(_("old style (PGP 2.x) signature\n")); - for( n1 = node; n1; (n1 = find_next_kbnode(n1, PKT_SIGNATURE )) ) + if(multiple_ok) + for( n1 = node; n1; (n1 = find_next_kbnode(n1, PKT_SIGNATURE )) ) check_sig_and_print( c, n1 ); + else + check_sig_and_print( c, node ); } else { dump_kbnode (c->list); |