From 8d5dad0ac3acee55eaeeddb34deba8abfbdd927b Mon Sep 17 00:00:00 2001
From: David Shaw <dshaw@jabberwocky.com>
Date: Mon, 27 May 2002 01:00:11 +0000
Subject: * sign.c (mk_notation_and_policy): Include secret key to enable %s
 expandos, and pass notations through pct_expando as well.

* main.h, misc.c (pct_expando): Add %s and %S expandos for signer's keyid.
---
 g10/ChangeLog |  8 ++++++++
 g10/main.h    |  1 +
 g10/misc.c    | 30 ++++++++++++++++++++++++++----
 g10/sign.c    | 24 +++++++++++++++++++-----
 4 files changed, 54 insertions(+), 9 deletions(-)

diff --git a/g10/ChangeLog b/g10/ChangeLog
index cc97458b6..1ad1c84bc 100644
--- a/g10/ChangeLog
+++ b/g10/ChangeLog
@@ -1,3 +1,11 @@
+2002-05-26  David Shaw  <dshaw@jabberwocky.com>
+
+	* sign.c (mk_notation_and_policy): Include secret key to enable %s
+	expandos, and pass notations through pct_expando as well.
+
+	* main.h, misc.c (pct_expando): Add %s and %S expandos for
+	signer's keyid.
+
 2002-05-25  David Shaw  <dshaw@jabberwocky.com>
 
 	* g10.c (strusage, build_list): Add compress algorithms to
diff --git a/g10/main.h b/g10/main.h
index 71842968c..1ce723301 100644
--- a/g10/main.h
+++ b/g10/main.h
@@ -71,6 +71,7 @@ void idea_cipher_warn( int show );
 struct expando_args
 {
   PKT_public_key *pk;
+  PKT_secret_key *sk;
   byte imagetype;
 };
 
diff --git a/g10/misc.c b/g10/misc.c
index 6f535c4ff..6a008d5fb 100644
--- a/g10/misc.c
+++ b/g10/misc.c
@@ -455,11 +455,14 @@ pct_expando(const char *string,struct expando_args *args)
 {
   const char *ch=string;
   int idx=0,maxlen=0,done=0;
-  u32 keyid[2]={0,0};
+  u32 pk_keyid[2]={0,0},sk_keyid[2]={0,0};
   char *ret=NULL;
 
   if(args->pk)
-    keyid_from_pk(args->pk,keyid);
+    keyid_from_pk(args->pk,pk_keyid);
+
+  if(args->sk)
+    keyid_from_sk(args->sk,sk_keyid);
 
   while(*ch!='\0')
     {
@@ -481,10 +484,29 @@ pct_expando(const char *string,struct expando_args *args)
 	{
 	  switch(*(ch+1))
 	    {
+	    case 's': /* short key id */
+	      if(idx+8<maxlen)
+		{
+		  sprintf(&ret[idx],"%08lX",(ulong)sk_keyid[1]);
+		  idx+=8;
+		  done=1;
+		}
+	      break;
+
+	    case 'S': /* long key id */
+	      if(idx+16<maxlen)
+		{
+		  sprintf(&ret[idx],"%08lX%08lX",
+			  (ulong)sk_keyid[0],(ulong)sk_keyid[1]);
+		  idx+=16;
+		  done=1;
+		}
+	      break;
+
 	    case 'k': /* short key id */
 	      if(idx+8<maxlen)
 		{
-		  sprintf(&ret[idx],"%08lX",(ulong)keyid[1]);
+		  sprintf(&ret[idx],"%08lX",(ulong)pk_keyid[1]);
 		  idx+=8;
 		  done=1;
 		}
@@ -494,7 +516,7 @@ pct_expando(const char *string,struct expando_args *args)
 	      if(idx+16<maxlen)
 		{
 		  sprintf(&ret[idx],"%08lX%08lX",
-			  (ulong)keyid[0],(ulong)keyid[1]);
+			  (ulong)pk_keyid[0],(ulong)pk_keyid[1]);
 		  idx+=16;
 		  done=1;
 		}
diff --git a/g10/sign.c b/g10/sign.c
index fe6e62312..3b28374c7 100644
--- a/g10/sign.c
+++ b/g10/sign.c
@@ -55,7 +55,8 @@
  * NAME=VALUE format.
  */
 static void
-mk_notation_and_policy( PKT_signature *sig, PKT_public_key *pk )
+mk_notation_and_policy( PKT_signature *sig,
+			PKT_public_key *pk, PKT_secret_key *sk )
 {
     const char *string;
     char *s=NULL;
@@ -66,6 +67,7 @@ mk_notation_and_policy( PKT_signature *sig, PKT_public_key *pk )
 
     memset(&args,0,sizeof(args));
     args.pk=pk;
+    args.sk=sk;
 
     /* notation data */
     if(IS_SIG(sig) && opt.sig_notation_data)
@@ -84,13 +86,24 @@ mk_notation_and_policy( PKT_signature *sig, PKT_public_key *pk )
       }
 
     for( ; nd; nd = nd->next ) {
+        char *expanded;
+
         string = nd->d;
 	s = strchr( string, '=' );
 	if( !s )
 	  BUG(); /* we have already parsed this */
 	n1 = s - string;
 	s++;
-	n2 = strlen(s);
+
+	expanded=pct_expando(s,&args);
+	if(!expanded)
+	  {
+	    log_error(_("WARNING: unable to %%-expand notation "
+			"(too large).  Using unexpanded.\n"));
+	    expanded=m_strdup(s);
+	  }
+
+	n2 = strlen(expanded);
 	buf = m_alloc( 8 + n1 + n2 );
 	buf[0] = 0x80; /* human readable */
 	buf[1] = buf[2] = buf[3] = 0;
@@ -99,10 +112,11 @@ mk_notation_and_policy( PKT_signature *sig, PKT_public_key *pk )
 	buf[6] = n2 >> 8;
 	buf[7] = n2;
 	memcpy(buf+8, string, n1 );
-	memcpy(buf+8+n1, s, n2 );
+	memcpy(buf+8+n1, expanded, n2 );
 	build_sig_subpkt( sig, SIGSUBPKT_NOTATION
 			  | ((nd->flags & 1)? SIGSUBPKT_FLAG_CRITICAL:0),
 			  buf, 8+n1+n2 );
+	m_free(expanded);
     }
 
     if(opt.show_notation)
@@ -536,7 +550,7 @@ 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);
+	mk_notation_and_policy (sig, NULL, sk);
 
         hash_sigversion_to_magic (md, sig);
 	md_final (md);
@@ -1165,7 +1179,7 @@ make_keysig_packet( PKT_signature **ret_sig, PKT_public_key *pk,
 	rc = (*mksubpkt)( sig, opaque );
 
     if( !rc ) {
-	mk_notation_and_policy( sig, pk );
+	mk_notation_and_policy( sig, pk, sk );
         hash_sigversion_to_magic (md, sig);
 	md_final(md);
 
-- 
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