* keylist.c (list_internal_keys): Return error codes.

(list_external_keys, gpgsm_list_keys): Ditto.
* server.c (do_listkeys): Ditto.

* gpgsm.c (main): Display a key description for --passwd.
* call-agent.c (gpgsm_agent_passwd): New arg DESC.

sm/ChangeLog

@@ -1,3 +1,12 @@
+2004-02-21  Werner Koch  <wk@gnupg.org>
+
+	* keylist.c (list_internal_keys): Return error codes.
+	(list_external_keys, gpgsm_list_keys): Ditto.
+	* server.c (do_listkeys): Ditto.
+
+	* gpgsm.c (main): Display a key description for --passwd.
+	* call-agent.c (gpgsm_agent_passwd): New arg DESC.
+
 2004-02-20  Werner Koch  <wk@gnupg.org>
 
 	* gpgsm.c (main): New option --debug-ignore-expiration.

sm/call-agent.c

@@ -710,9 +710,11 @@ gpgsm_agent_learn ()
 }
 
 
-/* Ask the agent to change the passphrase of the key identified by HEXKEYGRIP. */
+/* Ask the agent to change the passphrase of the key identified by
+   HEXKEYGRIP. If DESC is not NULL, display instead of the default
+   description message. */
 int
-gpgsm_agent_passwd (const char *hexkeygrip)
+gpgsm_agent_passwd (const char *hexkeygrip, const char *desc)
 {
   int rc;
   char line[ASSUAN_LINELENGTH];
@@ -724,6 +726,16 @@ gpgsm_agent_passwd (const char *hexkeygrip)
   if (!hexkeygrip || strlen (hexkeygrip) != 40)
     return gpg_error (GPG_ERR_INV_VALUE);
 
+  if (desc)
+    {
+      snprintf (line, DIM(line)-1, "SETKEYDESC %s", desc);
+      line[DIM(line)-1] = 0;
+      rc = assuan_transact (agent_ctx, line,
+                            NULL, NULL, NULL, NULL, NULL, NULL);
+      if (rc)
+        return map_assuan_err (rc);
+    }
+
   snprintf (line, DIM(line)-1, "PASSWD %s", hexkeygrip);
   line[DIM(line)-1] = 0;
 

sm/gpgsm.c

@@ -1452,7 +1452,11 @@ main ( int argc, char **argv)
           else if (!(grip = gpgsm_get_keygrip_hexstring (cert)))
             rc = gpg_error (GPG_ERR_BUG);
           else 
-            rc = gpgsm_agent_passwd (grip);
+            {
+              char *desc = gpgsm_format_keydesc (cert);
+              rc = gpgsm_agent_passwd (grip, desc);
+              xfree (desc);
+            }
           if (rc)
             log_error ("error changing passphrase: %s\n", gpg_strerror (rc));
           xfree (grip);

sm/gpgsm.h

@@ -239,7 +239,8 @@ void gpgsm_release_certlist (certlist_t list);
 int gpgsm_find_cert (const char *name, ksba_cert_t *r_cert);
 
 /*-- keylist.c --*/
-void gpgsm_list_keys (ctrl_t ctrl, STRLIST names, FILE *fp, unsigned int mode);
+gpg_error_t gpgsm_list_keys (ctrl_t ctrl, STRLIST names,
+                             FILE *fp, unsigned int mode);
 
 /*-- import.c --*/
 int gpgsm_import (ctrl_t ctrl, int in_fd);
@@ -284,7 +285,7 @@ int gpgsm_agent_istrusted (ksba_cert_t cert);
 int gpgsm_agent_havekey (const char *hexkeygrip);
 int gpgsm_agent_marktrusted (ksba_cert_t cert);
 int gpgsm_agent_learn (void);
-int gpgsm_agent_passwd (const char *hexkeygrip);
+int gpgsm_agent_passwd (const char *hexkeygrip, const char *desc);
 
 /*-- call-dirmngr.c --*/
 int gpgsm_dirmngr_isvalid (ksba_cert_t cert, int use_ocsp);

sm/keylist.c

@@ -496,7 +496,7 @@ list_cert_chain (ctrl_t ctrl, ksba_cert_t cert, FILE *fp, int with_validation)
 
 /* List all internal keys or just the key given as NAMES.
  */
-static void
+static gpg_error_t
 list_internal_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
 {
   KEYDB_HANDLE hd;
@@ -504,7 +504,7 @@ list_internal_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
   STRLIST sl;
   int ndesc;
   ksba_cert_t cert = NULL;
-  int rc=0;
+  gpg_error_t rc = 0;
   const char *lastresname, *resname;
   int have_secret;
 
@@ -512,6 +512,7 @@ list_internal_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
   if (!hd)
     {
       log_error ("keydb_new failed\n");
+      rc = gpg_error (GPG_ERR_GENERAL);
       goto leave;
     }
 
@@ -526,6 +527,7 @@ list_internal_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
   desc = xtrycalloc (ndesc, sizeof *desc);
   if (!ndesc)
     {
+      rc = gpg_error_from_errno (errno);
       log_error ("out of core\n");
       goto leave;
     }
@@ -599,8 +601,12 @@ list_internal_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
           char *p = gpgsm_get_keygrip_hexstring (cert);
           if (p)
             {
-              if (!gpgsm_agent_havekey (p))
+              rc = gpgsm_agent_havekey (p);
+              if (!rc)
                 have_secret = 1;
+              else if ( gpg_err_code (rc) != GPG_ERR_NO_SECKEY)
+                goto leave;
+              rc = 0;
               xfree (p);
             }
         }
@@ -623,13 +629,16 @@ list_internal_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
       ksba_cert_release (cert); 
       cert = NULL;
     }
-  if (rc && rc != -1)
+  if (gpg_err_code (rc) == GPG_ERR_EOF || rc == -1 )
+    rc = 0;
+  if (rc)
     log_error ("keydb_search failed: %s\n", gpg_strerror (rc));
   
  leave:
   ksba_cert_release (cert);
   xfree (desc);
   keydb_release (hd);
+  return rc;
 }
 
 
@@ -669,7 +678,7 @@ list_external_cb (void *cb_value, ksba_cert_t cert)
 /* List external keys similar to internal one.  Note: mode does not
    make sense here because it would be unwise to list external secret
    keys */
-static void
+static gpg_error_t
 list_external_keys (CTRL ctrl, STRLIST names, FILE *fp)
 {
   int rc;
@@ -684,6 +693,7 @@ list_external_keys (CTRL ctrl, STRLIST names, FILE *fp)
   rc = gpgsm_dirmngr_lookup (ctrl, names, list_external_cb, &parm);
   if (rc)
     log_error ("listing external keys failed: %s\n", gpg_strerror (rc));
+  return rc;
 }
 
 /* List all keys or just the key given as NAMES.
@@ -696,11 +706,14 @@ list_external_keys (CTRL ctrl, STRLIST names, FILE *fp)
     Bit 6: list internal keys
     Bit 7: list external keys
  */
-void
+gpg_error_t
 gpgsm_list_keys (CTRL ctrl, STRLIST names, FILE *fp, unsigned int mode)
 {
+  gpg_error_t err = 0;
+
   if ((mode & (1<<6)))
-      list_internal_keys (ctrl, names, fp, (mode & 3));
+    err = list_internal_keys (ctrl, names, fp, (mode & 3));
-  if ((mode & (1<<7)))
+  if (!err && (mode & (1<<7)))
-      list_external_keys (ctrl, names, fp); 
+    err = list_external_keys (ctrl, names, fp); 
+  return err;
 }

sm/server.c

@@ -651,6 +651,7 @@ do_listkeys (ASSUAN_CONTEXT ctx, char *line, int mode)
   char *p;
   STRLIST list, sl;
   unsigned int listmode;
+  gpg_error_t err;
 
   if (!fp)
     return set_error (General_Error, "no data stream");
@@ -684,9 +685,9 @@ do_listkeys (ASSUAN_CONTEXT ctx, char *line, int mode)
     listmode |= (1<<6);
   if (ctrl->server_local->list_external)
     listmode |= (1<<7);
-  gpgsm_list_keys (assuan_get_pointer (ctx), list, fp, listmode);
+  err = gpgsm_list_keys (assuan_get_pointer (ctx), list, fp, listmode);
   free_strlist (list);
-  return 0;
+  return map_to_assuan_status (err);
 }
 
 static int