[svn] gpgme - r1394 - in trunk: . doc src tests tests/gpg

svn author wk cvs at cvs.gnupg.org
Thu Aug 6 19:17:19 CEST 2009


Author: wk
Date: 2009-08-06 19:17:18 +0200 (Thu, 06 Aug 2009)
New Revision: 1394

Added:
   trunk/tests/run-sign.c
Modified:
   trunk/NEWS
   trunk/doc/ChangeLog
   trunk/doc/gpgme.texi
   trunk/doc/uiserver.texi
   trunk/src/ChangeLog
   trunk/src/engine-gpgsm.c
   trunk/src/gpgme.h.in
   trunk/src/op-support.c
   trunk/src/sign.c
   trunk/tests/ChangeLog
   trunk/tests/Makefile.am
   trunk/tests/gpg/t-sign.c
Log:
Fix detection of invalid signer keys.
Support the new INV_SGNR status code.


Modified: trunk/doc/ChangeLog
===================================================================
--- trunk/doc/ChangeLog	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/doc/ChangeLog	2009-08-06 17:17:18 UTC (rev 1394)
@@ -1,3 +1,8 @@
+2009-07-21  Werner Koch  <wk at g10code.com>
+
+	* uiserver.texi (UI Server Encrypt): Add --expect-sign option to
+	PREP_ENCRYPT.
+
 2009-06-16  Marcus Brinkmann  <marcus at g10code.de>
 
 	* gpgme.texi (Result Management): New section.

Modified: trunk/src/ChangeLog
===================================================================
--- trunk/src/ChangeLog	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/src/ChangeLog	2009-08-06 17:17:18 UTC (rev 1394)
@@ -1,3 +1,16 @@
+2009-08-06  Werner Koch  <wk at g10code.com>
+
+	* op-support.c (_gpgme_parse_inv_recp): Allow for no fingerprint.
+
+	* engine-gpgsm.c (gpgsm_sign): Hook up the status func for the
+	SIGNER command.
+	* gpgme.h.in (GPGME_STATUS_INV_SGNR, GPGME_STATUS_NO_SGNR): New.
+	* sign.c (op_data_t): Add fields IGNORE_INV_RECP and INV_SGNR_SEEN.
+	(_gpgme_op_sign_init_result): Factor code out to ...
+	(sign_init_result): .. new.  Init new fields.
+	(sign_start): Use sign_init_result.
+	(_gpgme_sign_status_handler): Take care of the new INV_SGNR.
+
 2009-07-07  Werner Koch  <wk at g10code.com>
 
 	* engine-gpgsm.c (struct engine_gpgsm): Add fields

Modified: trunk/tests/ChangeLog
===================================================================
--- trunk/tests/ChangeLog	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/tests/ChangeLog	2009-08-06 17:17:18 UTC (rev 1394)
@@ -1,3 +1,7 @@
+2009-08-06  Werner Koch  <wk at g10code.com>
+
+	* run-sign.c: New.
+
 2009-07-07  Werner Koch  <wk at g10code.com>
 
 	* run-keylist.c (main):  Add options --cms and --openpgp.  

Modified: trunk/NEWS
===================================================================
--- trunk/NEWS	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/NEWS	2009-08-06 17:17:18 UTC (rev 1394)
@@ -3,6 +3,12 @@
 
  * (none yet)
 
+ * Interface changes relative to the 1.1.7 release:
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ GPGME_STATUS_INV_SGNR    NEW.
+ GPGME_STATUS_NO_SGNR     NEW.
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
 Noteworthy changes in version 1.2.0 (2009-06-18)
 ------------------------------------------------
 

Modified: trunk/doc/gpgme.texi
===================================================================
--- trunk/doc/gpgme.texi	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/doc/gpgme.texi	2009-08-06 17:17:18 UTC (rev 1394)
@@ -4777,7 +4777,7 @@
 last operation on the context was a @code{gpgme_op_sign},
 @code{gpgme_op_sign_start}, @code{gpgme_op_encrypt_sign} or
 @code{gpgme_op_encrypt_sign_start} operation.  If that operation
-failed, the function might return a @code{NULL} pointer, The returned
+failed, the function might return a @code{NULL} pointer. The returned
 pointer is only valid until the next operation is started on the
 context.
 @end deftypefun

Modified: trunk/doc/uiserver.texi
===================================================================
--- trunk/doc/uiserver.texi	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/doc/uiserver.texi	2009-08-06 17:17:18 UTC (rev 1394)
@@ -118,7 +118,7 @@
 To support automagically selection of the protocol depending on the
 selected keys, the server MAY implement the command:
 
- at deffn Command PREP_ENCRYPT [- at w{}-protocol=@var{name}]
+ at deffn Command PREP_ENCRYPT [- at w{}-protocol=@var{name}] [- at w{}-expect-sign]
 
 This commands considers all recipients set so far and decides whether it
 is able to take input and start the actual decryption.  This is kind of
@@ -129,8 +129,15 @@
 not given, the server should allow the user to select the protocol to be
 used based on the recipients given or by any other means.
 
+If @option{--expect-sign} is given the server should expect that the
+message will also be signed and use this hint to present a unified
+recipient and signer selection dialog if possible and desired.  A
+selected signer should then be cached for the expected SIGN command
+(which is expected in the same session but possible on another
+connection).
+
 If this command is given again before a successful @command{ENCRYPT}
-command, the second one takes effect. 
+command, the second one takes effect.
 
 Before sending the OK response the server shall tell the client the
 protocol to be used (either the one given by the argument or the one

Modified: trunk/src/engine-gpgsm.c
===================================================================
--- trunk/src/engine-gpgsm.c	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/src/engine-gpgsm.c	2009-08-06 17:17:18 UTC (rev 1394)
@@ -1870,7 +1870,7 @@
       if (asprintf (&assuan_cmd, "OPTION include-certs %i", include_certs) < 0)
 	return gpg_error_from_errno (errno);
       err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, assuan_cmd,
-					 NULL, NULL);
+                                         NULL, NULL);
       free (assuan_cmd);
       if (err)
 	return err;
@@ -1885,7 +1885,8 @@
 
           strcpy (stpcpy (buf, "SIGNER "), s);
           err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, buf,
-                                             NULL, NULL);
+                                             gpgsm->status.fnc,
+                                             gpgsm->status.fnc_value);
 	}
       else
         err = gpg_error (GPG_ERR_INV_VALUE);

Modified: trunk/src/gpgme.h.in
===================================================================
--- trunk/src/gpgme.h.in	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/src/gpgme.h.in	2009-08-06 17:17:18 UTC (rev 1394)
@@ -485,7 +485,9 @@
     GPGME_STATUS_PKA_TRUST_BAD = 79,
     GPGME_STATUS_PKA_TRUST_GOOD = 80,
 
-    GPGME_STATUS_PLAINTEXT = 81
+    GPGME_STATUS_PLAINTEXT = 81,
+    GPGME_STATUS_INV_SGNR = 82,
+    GPGME_STATUS_NO_SGNR = 83
   }
 gpgme_status_code_t;
 

Modified: trunk/src/op-support.c
===================================================================
--- trunk/src/op-support.c	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/src/op-support.c	2009-08-06 17:17:18 UTC (rev 1394)
@@ -162,8 +162,8 @@
 }
 
 
-/* Parse the INV_RECP status line in ARGS and return the result in
-   KEY.  */
+/* Parse the INV_RECP or INV-SNDR status line in ARGS and return the
+   result in KEY.  */
 gpgme_error_t
 _gpgme_parse_inv_recp (char *args, gpgme_invalid_key_t *key)
 {
@@ -177,7 +177,7 @@
   inv_key->next = NULL;
   errno = 0;
   reason = strtol (args, &tail, 0);
-  if (errno || args == tail || *tail != ' ')
+  if (errno || args == tail || (*tail && *tail != ' '))
     {
       /* The crypto backend does not behave.  */
       free (inv_key);
@@ -236,7 +236,7 @@
       break;
     }
 
-  while (*tail == ' ')
+  while (*tail && *tail == ' ')
     tail++;
   if (*tail)
     {

Modified: trunk/src/sign.c
===================================================================
--- trunk/src/sign.c	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/src/sign.c	2009-08-06 17:17:18 UTC (rev 1394)
@@ -46,6 +46,10 @@
 
   /* Likewise for signature information.  */
   gpgme_new_signature_t *last_sig_p;
+
+  /* Flags used while processing the status lines.  */
+  unsigned int ignore_inv_recp:1;
+  unsigned int inv_sgnr_seen:1;
 } *op_data_t;
 
 
@@ -266,6 +270,12 @@
       break;
 
     case GPGME_STATUS_INV_RECP:
+      if (opd->inv_sgnr_seen && opd->ignore_inv_recp)
+        break; 
+      /* FALLTROUGH */
+    case GPGME_STATUS_INV_SGNR:
+      if (code == GPGME_STATUS_INV_SGNR)
+        opd->inv_sgnr_seen = 1;
       err = _gpgme_parse_inv_recp (args, opd->last_signer_p);
       if (err)
 	return err;
@@ -297,8 +307,8 @@
 }
 
 
-gpgme_error_t
-_gpgme_op_sign_init_result (gpgme_ctx_t ctx)
+static gpgme_error_t
+sign_init_result (gpgme_ctx_t ctx, int ignore_inv_recp)
 {
   gpgme_error_t err;
   void *hook;
@@ -311,10 +321,18 @@
     return err;
   opd->last_signer_p = &opd->result.invalid_signers;
   opd->last_sig_p = &opd->result.signatures;
+  opd->ignore_inv_recp = !!ignore_inv_recp;
+  opd->inv_sgnr_seen = 0;
   return 0;
 }
 
+gpgme_error_t
+_gpgme_op_sign_init_result (gpgme_ctx_t ctx)
+{
+  return sign_init_result (ctx, 0);
+}
 
+
 static gpgme_error_t
 sign_start (gpgme_ctx_t ctx, int synchronous, gpgme_data_t plain,
 	    gpgme_data_t sig, gpgme_sig_mode_t mode)
@@ -325,7 +343,10 @@
   if (err)
     return err;
 
-  err = _gpgme_op_sign_init_result (ctx);
+  /* If we are using the CMS protocol, we ignore the INV_RECP status
+     code if a newer GPGSM is in use.  GPGMS does not support combined
+     sign+encrypt and thus this can't harm.  */
+  err = sign_init_result (ctx, (ctx->protocol == GPGME_PROTOCOL_CMS));
   if (err)
     return err;
 

Modified: trunk/tests/Makefile.am
===================================================================
--- trunk/tests/Makefile.am	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/tests/Makefile.am	2009-08-06 17:17:18 UTC (rev 1394)
@@ -32,7 +32,7 @@
 
 noinst_HEADERS = run-support.h
 
-noinst_PROGRAMS = $(TESTS) run-keylist run-export run-import
+noinst_PROGRAMS = $(TESTS) run-keylist run-export run-import run-sign
 
 
 if RUN_GPG_TESTS

Modified: trunk/tests/gpg/t-sign.c
===================================================================
--- trunk/tests/gpg/t-sign.c	2009-07-08 11:49:18 UTC (rev 1393)
+++ trunk/tests/gpg/t-sign.c	2009-08-06 17:17:18 UTC (rev 1394)
@@ -102,6 +102,17 @@
 
   gpgme_set_textmode (ctx, 1);
   gpgme_set_armor (ctx, 1);
+  
+#if 0
+  {
+    gpgme_key_t akey;
+    err = gpgme_get_key (ctx, "0x68697734", &akey, 0);
+    fail_if_err (err);
+    err = gpgme_signers_add (ctx, akey);
+    fail_if_err (err);
+    gpgme_key_unref (akey);
+  }
+#endif
 
   err = gpgme_data_new_from_mem (&in, "Hallo Leute\n", 12, 0);
   fail_if_err (err);

Added: trunk/tests/run-sign.c
===================================================================
--- trunk/tests/run-sign.c	                        (rev 0)
+++ trunk/tests/run-sign.c	2009-08-06 17:17:18 UTC (rev 1394)
@@ -0,0 +1,187 @@
+/* run-sign.c  - Helper to perform a sign operation
+   Copyright (C) 2009 g10 Code GmbH
+
+   This file is part of GPGME.
+ 
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+   
+   GPGME is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* We need to include config.h so that we know whether we are building
+   with large file system (LFS) support. */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <gpgme.h>
+
+#define PGM "run-sign"
+
+#include "run-support.h"
+
+
+static int verbose;
+
+
+static void
+print_result (gpgme_sign_result_t result, gpgme_sig_mode_t type)
+{
+  gpgme_invalid_key_t invkey;
+  gpgme_new_signature_t sig;
+
+  for (invkey = result->invalid_signers; invkey; invkey = invkey->next)
+    printf ("Signing key `%s' not used: %s <%s>\n", 
+            nonnull (invkey->fpr), 
+            gpg_strerror (invkey->reason), gpg_strsource (invkey->reason));
+  
+  for (sig = result->signatures; sig; sig = sig->next)
+    {
+      printf ("Key fingerprint: %s\n", nonnull (sig->fpr));
+      printf ("Signature type : %d\n", sig->type);
+      printf ("Public key algo: %d\n", sig->pubkey_algo);
+      printf ("Hash algo .....: %d\n", sig->hash_algo);
+      printf ("Creation time .: %ld\n", sig->timestamp);
+      printf ("Sig class .....: 0x%u\n", sig->sig_class);
+    }
+}
+
+
+
+static int
+show_usage (int ex)
+{
+  fputs ("usage: " PGM " [options] FILE\n\n"
+         "Options:\n"
+         "  --verbose        run in verbose mode\n"
+         "  --openpgp        use the OpenPGP protocol (default)\n"
+         "  --cms            use the CMS protocol\n"
+         "  --key NAME       use key NAME for signing\n"
+         , stderr);
+  exit (ex);
+}
+
+
+int 
+main (int argc, char **argv)
+{
+  int last_argc = -1;
+  gpgme_error_t err;
+  gpgme_ctx_t ctx;
+  const char *key_string = NULL;
+  gpgme_protocol_t protocol = GPGME_PROTOCOL_OpenPGP;
+  gpgme_sig_mode_t sigmode = GPGME_SIG_MODE_NORMAL;
+  gpgme_data_t in, out;
+  gpgme_sign_result_t result;
+
+  if (argc)
+    { argc--; argv++; }
+
+  while (argc && last_argc != argc )
+    {
+      last_argc = argc;
+      if (!strcmp (*argv, "--"))
+        {
+          argc--; argv++;
+          break;
+        }
+      else if (!strcmp (*argv, "--help"))
+        show_usage (0);
+      else if (!strcmp (*argv, "--verbose"))
+        {
+          verbose = 1;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--openpgp"))
+        {
+          protocol = GPGME_PROTOCOL_OpenPGP;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--cms"))
+        {
+          protocol = GPGME_PROTOCOL_CMS;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--key"))
+        {
+          argc--; argv++;
+          if (!argc)
+            show_usage (1);
+          key_string = *argv;
+          argc--; argv++;
+        }
+      else if (!strncmp (*argv, "--", 2))
+        show_usage (1);
+      
+    }          
+ 
+  if (argc != 1)
+    show_usage (1);
+
+  init_gpgme (protocol);
+
+  err = gpgme_new (&ctx);
+  fail_if_err (err);
+  gpgme_set_protocol (ctx, protocol);
+  gpgme_set_armor (ctx, 1);
+
+  if (key_string)
+    {
+      gpgme_key_t akey;
+
+      err = gpgme_get_key (ctx, key_string, &akey, 1);
+      if (err)
+        {
+          fprintf (stderr, PGM ": error getting key `%s': %s\n",
+                   key_string, gpg_strerror (err));
+          exit (1);
+        }
+      err = gpgme_signers_add (ctx, akey);
+      fail_if_err (err);
+      gpgme_key_unref (akey);
+    }
+
+  err = gpgme_data_new_from_file (&in, *argv, 1);
+  if (err)
+    {
+      fprintf (stderr, PGM ": error reading `%s': %s\n",
+               *argv, gpg_strerror (err));
+      exit (1);
+    }
+
+  err = gpgme_data_new (&out);
+  fail_if_err (err);
+
+  err = gpgme_op_sign (ctx, in, out, sigmode);
+  result = gpgme_op_sign_result (ctx);
+  if (result)
+    print_result (result, sigmode);
+  if (err)
+    {
+      fprintf (stderr, PGM ": signing failed: %s\n", gpg_strerror (err));
+      exit (1);
+    }
+
+  fputs ("Begin Output:\n", stdout);
+  print_data (out);
+  fputs ("End Output.\n", stdout);
+  gpgme_data_release (out);
+
+  gpgme_data_release (in);
+
+  gpgme_release (ctx);
+  return 0;
+}




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