gpg: New option --disable-signer-uid, create Signer's UID sub-packet.

* g10/gpg.c (oDisableSignerUID): New.
(opts): New option '--disable-signer-uid'.
(main): Set option.
* g10/options.h (opt): Add field flags.disable_signer_uid.
* g10/sign.c: Include mbox-util.h.
(mk_notation_policy_etc): Embed the signer's uid.
* g10/mainproc.c (check_sig_and_print): Do not use WKD for auto key
retrieval if --disable-signer-uid is used.
--

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 15 insertions, 1 deletions

diff --git a/g10/sign.c b/g10/sign.c
index 833b6ef06..a4974be85 100644
--- a/g10/sign.c
+++ b/g10/sign.c
@@ -40,7 +40,7 @@
 #include "pkglue.h"
 #include "sysutils.h"
 #include "call-agent.h"
-
+#include "mbox-util.h"
 
 #ifdef HAVE_DOSISH_SYSTEM
 #define LF "\r\n"
@@ -144,6 +144,20 @@ mk_notation_policy_etc (PKT_signature *sig,
                         p, strlen (p));
       xfree (p);
     }
+
+  /* Set signer's user id.  */
+  if (IS_SIG (sig) && !opt.flags.disable_signer_uid)
+    {
+      char *mbox;
+
+      /* For now we use the uid which was used to locate the key.  */
+      if (pksk->user_id && (mbox = mailbox_from_userid (pksk->user_id->name)))
+        {
+          if (DBG_LOOKUP)
+            log_debug ("setting Signer's UID to '%s'\n", mbox);
+          build_sig_subpkt (sig, SIGSUBPKT_SIGNERS_UID, mbox, strlen (mbox));
+        }
+    }
 }