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* options.h, g10.c (main, add_keyserver_url): Add

Browse source 
--sig-preferred-keyserver to implant a "where to get my key" subpacket
into a signature.

* sign.c (mk_notation_and_policy): Rename to mk_notation_policy_etc and
add preferred keyserver support for signatures.
This commit is contained in:
David Shaw 2003-07-24 19:28:12 +00:00
parent ba188097c0
commit e4a9d14aad
4 changed files with 83 additions and 6 deletions
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37
g10/sign.c
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@ -58,7 +58,7 @@ static int recipient_digest_algo=0;
* NAME=VALUE format.
*/
static void
mk_notation_and_policy( PKT_signature *sig,
mk_notation_policy_etc( PKT_signature *sig,
PKT_public_key *pk, PKT_secret_key *sk )
{
const char *string;
@ -163,6 +163,34 @@ mk_notation_and_policy( PKT_signature *sig,
if(opt.list_options&LIST_SHOW_POLICY)
show_policy_url(sig,0,0);
/* preferred keyserver URL */
if( IS_SIG(sig) && opt.sig_keyserver_url )
{
if(sig->version<4)
log_info("can't put a preferred keyserver URL into v3 signatures\n");
else
pu=opt.sig_keyserver_url;
}
for(;pu;pu=pu->next)
{
string = pu->d;
s=pct_expando(string,&args);
if(!s)
{
log_error(_("WARNING: unable to %%-expand preferred keyserver url "
"(too large). Using unexpanded.\n"));
s=m_strdup(string);
}
build_sig_subpkt(sig,SIGSUBPKT_PREF_KS|
((pu->flags & 1)?SIGSUBPKT_FLAG_CRITICAL:0),
s,strlen(s));
m_free(s);
}
}
@ -564,7 +592,8 @@ write_signature_packets (SK_LIST sk_list, IOBUF out, MD_HANDLE hash,
sig = m_alloc_clear (sizeof *sig);
if(opt.force_v3_sigs || RFC1991)
sig->version=3;
else if(duration || opt.sig_policy_url || opt.sig_notation_data)
else if(duration || opt.sig_policy_url
|| opt.sig_notation_data || opt.sig_keyserver_url)
sig->version=4;
else
sig->version=sk->version;
@ -583,7 +612,7 @@ write_signature_packets (SK_LIST sk_list, IOBUF out, MD_HANDLE hash,
if (sig->version >= 4)
build_sig_subpkt_from_sig (sig);
mk_notation_and_policy (sig, NULL, sk);
mk_notation_policy_etc (sig, NULL, sk);
hash_sigversion_to_magic (md, sig);
md_final (md);
@ -1251,7 +1280,7 @@ make_keysig_packet( PKT_signature **ret_sig, PKT_public_key *pk,
sig->sig_class = sigclass;
if( sig->version >= 4 )
build_sig_subpkt_from_sig( sig );
mk_notation_and_policy( sig, pk, sk );
mk_notation_policy_etc( sig, pk, sk );
/* Crucial that the call to mksubpkt comes LAST before the calls
to finalize the sig as that makes it possible for the mksubpkt