Add key generation

gpgme/Makefile.am

@@ -25,6 +25,7 @@ libgpgme_la_SOURCES = \
 	keylist.c \
 	import.c \
         export.c \
+	genkey.c \
         rungpg.c rungpg.h status-table.h \
 	syshdr.h io.h posix-io.c w32-io.c \
 	gpgme.c version.c errors.c

gpgme/context.h

@@ -71,6 +71,8 @@ struct gpgme_context_s {
 
     GpgmePassphraseCb passphrase_cb;
     void *passphrase_cb_value;
+
+    GpgmeData help_data_1;
 };
 
 

gpgme/data.c

@@ -91,7 +91,7 @@ gpgme_data_new_from_mem ( GpgmeData *r_dh,
     err = gpgme_data_new ( &dh );
     if (err)
         return err;
-    dh->len  = size;
+    dh->len = size;
     if (copy) {
         dh->private_buffer = xtrymalloc ( size );
         if ( !dh->private_buffer ) {

gpgme/export.c

@@ -96,6 +96,20 @@ gpgme_op_export_start ( GpgmeCtx c, GpgmeRecipients recp,
 
 
 
+/**
+ * gpgme_op_export:
+ * @c: the context
+ * @recp: a list of recipients or NULL
+ * @keydata: Returns the keys
+ * 
+ * This function can be used to extract public keys from the GnuPG key
+ * database either in armored (by using gpgme_set_armor()) or in plain
+ * binary form.  The function expects a list of user IDs in @recp for
+ * whom the public keys are to be exportedkinit
+ *
+ * 
+ * Return value: 0 for success or an error code
+ **/
 GpgmeError
 gpgme_op_export ( GpgmeCtx c, GpgmeRecipients recp, GpgmeData keydata )
 {

gpgme/genkey.c

@@ -0,0 +1,177 @@
+/* genkey.c -  key generation
+ *	Copyright (C) 2000 Werner Koch (dd9jn)
+ *
+ * This file is part of GPGME.
+ *
+ * GPGME is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include "util.h"
+#include "context.h"
+#include "ops.h"
+
+static void
+genkey_status_handler ( GpgmeCtx ctx, GpgStatusCode code, char *args )
+{
+    if ( code == STATUS_PROGRESS )
+        return;
+
+    fprintf (stderr, "genkey_status: code=%d args=`%s'\n",
+             code, args );
+    /* FIXME: Need to do more */
+}
+
+
+
+/* 
+ * Here is how the parms should be formatted:
+<GnupgKeyParms format="internal">
+Key-Type: DSA
+Key-Length: 1024
+Subkey-Type: ELG-E
+Subkey-Length: 1024
+Name-Real: Joe Tester
+Name-Comment: with stupid passphrase
+Name-Email: joe@foo.bar
+Expire-Date: 0
+Passphrase: abc
+</GnupgKeyParms>
+ * Strings should be given in UTF-8 encoding.  The format we support for now
+ * "internal".  The content of the <GnupgKeyParms> container is passed 
+ * verbatim to GnuPG.  Control statements (e.g. %pubring) are not allowed.
+ */
+
+GpgmeError
+gpgme_op_genkey_start ( GpgmeCtx c, const char *parms,
+                        GpgmeData pubkey, GpgmeData seckey )
+{
+    int rc = 0;
+    int i;
+    const char *s, *s2, *sx;
+
+    fail_on_pending_request( c );
+    c->pending = 1;
+
+    gpgme_data_release (c->help_data_1); c->help_data_1 = NULL;
+
+    /* create a process object */
+    _gpgme_gpg_release (c->gpg); c->gpg = NULL;
+    rc = _gpgme_gpg_new ( &c->gpg );
+    if (rc)
+        goto leave;
+
+    /* We need a special mechanism to get the fd of a pipe here, so
+     * that we can use this for the %pubring and %secring parameters.
+     * We don't have this yet, so we implement only the adding to the
+     * standard keyrings */
+    if ( pubkey || seckey ) {
+        rc = mk_error (Not_Implemented);
+        goto leave;
+    }
+
+    _gpgme_gpg_set_status_handler ( c->gpg, genkey_status_handler, c );
+
+    /* build the commandline */
+    _gpgme_gpg_add_arg ( c->gpg, "--gen-key" );
+    if ( c->use_armor )
+        _gpgme_gpg_add_arg ( c->gpg, "--armor" );
+    for ( i=0; i < c->verbosity; i++ )
+        _gpgme_gpg_add_arg ( c->gpg, "--verbose" );
+
+    if ( !pubkey && !seckey )
+        ; /* okay: Add key to the keyrings */
+    else if ( !pubkey
+              || gpgme_data_get_type (pubkey) != GPGME_DATA_TYPE_NONE ) {
+        rc = mk_error (Invalid_Value);
+        goto leave;
+    }
+    else if ( !seckey
+              || gpgme_data_get_type (seckey) != GPGME_DATA_TYPE_NONE ) {
+        rc = mk_error (Invalid_Value);
+        goto leave;
+    }
+    
+    if ( pubkey ) {
+        _gpgme_data_set_mode (pubkey, GPGME_DATA_MODE_IN );
+        _gpgme_data_set_mode (seckey, GPGME_DATA_MODE_IN );
+        /* need some more things here */
+    }
+
+
+    if ( (parms = strstr (parms, "<GnupgKeyParms ")) 
+         && (s = strchr (parms, '>'))
+         && (sx = strstr (parms, "format=\"internal\""))
+         && sx < s
+         && (s2 = strstr (s+1, "</GnupgKeyParms>")) ) {
+        /* fixme: check that there are no control statements inside */
+        rc = gpgme_data_new_from_mem ( &c->help_data_1, s+1, s2-s-1, 1 );
+    }
+    else 
+        rc = mk_error (Invalid_Value);
+
+    if (rc )
+        goto leave;
+    
+    _gpgme_data_set_mode (c->help_data_1, GPGME_DATA_MODE_OUT );
+    _gpgme_gpg_add_data (c->gpg, c->help_data_1, 0);
+
+    rc = _gpgme_gpg_spawn ( c->gpg, c );
+    
+ leave:
+    if (rc) {
+        c->pending = 0; 
+        _gpgme_gpg_release ( c->gpg ); c->gpg = NULL;
+    }
+    return rc;
+}
+
+
+
+/**
+ * gpgme_op_genkey:
+ * @c: the context
+ * @parms: XML string with the key parameters
+ * @pubkey: Returns the public key
+ * @seckey: Returns the secret key
+ * 
+ * Generate a new key and store the key in the default keyrings if both
+ * @pubkey and @seckey are NULL.  If @pubkey and @seckey are given, the newly
+ * created key will be returned in these data objects.
+ * See gpgme_op_genkey_start() for a description of @parms.
+ * 
+ * Return value: 0 for success or an error code
+ **/
+GpgmeError
+gpgme_op_genkey( GpgmeCtx c, const char *parms,
+                 GpgmeData pubkey, GpgmeData seckey )
+{
+    int rc = gpgme_op_genkey_start ( c, parms, pubkey, seckey );
+    if ( !rc ) {
+        gpgme_wait (c, 1);
+        c->pending = 0;
+    }
+    return rc;
+}
+
+
+
+
+

gpgme/gpgme.c

@@ -70,6 +70,7 @@ gpgme_release ( GpgmeCtx c )
     _gpgme_gpg_release ( c->gpg ); 
     _gpgme_release_result ( c );
     _gpgme_key_release ( c->tmp_key );
+    gpgme_data_release ( c->help_data_1 );
     gpgme_data_release ( c->notation );
     /* fixme: release the key_queue */
     xfree (c);

gpgme/gpgme.h

@@ -163,6 +163,8 @@ GpgmeError gpgme_op_verify_start ( GpgmeCtx c,
 GpgmeError gpgme_op_import_start ( GpgmeCtx c, GpgmeData keydata );
 GpgmeError gpgme_op_export_start ( GpgmeCtx c, GpgmeRecipients recp,
                                    GpgmeData keydata );
+GpgmeError gpgme_op_genkey_start ( GpgmeCtx c, const char *parms,
+                                   GpgmeData pubkey, GpgmeData seckey );
 
 
 
@@ -185,6 +187,8 @@ GpgmeError gpgme_op_verify ( GpgmeCtx c, GpgmeData sig, GpgmeData text,
 GpgmeError gpgme_op_import ( GpgmeCtx c, GpgmeData keydata );
 GpgmeError gpgme_op_export ( GpgmeCtx c, GpgmeRecipients recp,
                              GpgmeData keydata );
+GpgmeError gpgme_op_genkey ( GpgmeCtx c, const char *parms,
+                             GpgmeData pubkey, GpgmeData seckey );
 
 
 /* miscellaneous functions */

gpgme/rungpg.c

@@ -438,7 +438,7 @@ free_fd_data_map ( struct fd_data_map_s *fd_data_map )
         if ( fd_data_map[i].peer_fd != -1 )
             _gpgme_io_close (fd_data_map[i].peer_fd);
 #endif
-        /* don't realease data because this is only a reference */
+        /* don't release data because this is only a reference */
     }
     xfree (fd_data_map);
 }
@@ -962,7 +962,7 @@ read_status ( GpgObject gpg )
             if ( *p == '\n' ) {
                 /* (we require that the last line is terminated by a LF) */
                 *p = 0;
-                fprintf (stderr, "read_status: `%s'\n", buffer);
+                /*fprintf (stderr, "read_status: `%s'\n", buffer);*/
                 if (!strncmp (buffer, "[GNUPG:] ", 9 )
                     && buffer[9] >= 'A' && buffer[9] <= 'Z' ) {
                     struct status_table_s t, *r;

tests/Makefile.am

@@ -2,7 +2,8 @@
 
 TESTS_ENVIRONMENT = GNUPGHOME=. 
 
-TESTS = t-encrypt t-sign t-decrypt t-verify t-keylist t-export t-import
+TESTS = t-encrypt t-sign t-decrypt t-verify t-keylist t-export t-import \
+	t-genkey
 
 EXTRA_DIST = mkdemodirs pubdemo.asc secdemo.asc cipher-1.asc geheim.txt \
 	     pubkey-1.asc seckey-1.asc

tests/t-genkey.c

@@ -0,0 +1,74 @@
+/* t-genkey.c  - regression test
+ *	Copyright (C) 2000 Werner Koch (dd9jn)
+ *
+ * This file is part of GPGME.
+ *
+ * GPGME is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include "../gpgme/gpgme.h"
+
+#define fail_if_err(a) do { if(a) {                                       \
+                               fprintf (stderr, "%s:%d: GpgmeError %s\n", \
+                                __FILE__, __LINE__, gpgme_strerror(a));   \
+                                exit (1); }                               \
+                             } while(0)
+
+
+int 
+main (int argc, char **argv )
+{
+    GpgmeCtx ctx;
+    GpgmeError err;
+    const char *format;
+    char *parms;
+    int count = 0;
+
+  do {
+    err = gpgme_new (&ctx);
+    fail_if_err (err);
+
+    format = "<GnupgKeyParms format=\"internal\">\n"
+             "Key-Type: DSA\n"
+             "Key-Length: 1024\n"
+             "Subkey-Type: ELG-E\n"
+             "Subkey-Length: 1024\n"
+             "Name-Real: Joe Tester\n"
+             "Name-Comment: (pp=abc,try=%d)\n"
+             "Name-Email: joe@foo.bar\n"
+             "Expire-Date: 0\n"
+             "Passphrase: abc\n"
+             "</GnupgKeyParms>\n";
+    parms = malloc ( strlen (format) + 1 + 20 );
+    if (!parms)
+        exit (8);
+    sprintf (parms, format, ++count );
+    err = gpgme_op_genkey (ctx, parms, NULL, NULL );
+    fail_if_err (err);
+    free (parms);
+
+    gpgme_release (ctx);
+  } while ( argc > 1 && !strcmp( argv[1], "--loop" ) );
+   
+    return 0;
+}
+
+
+