| 1 |
/* genkey.c - key generation |
| 2 |
* Copyright (C) 2000, 2001 Werner Koch (dd9jn), g10 Code GmbH |
| 3 |
* Copyright (C) 2001-2004 Timo Schulz |
| 4 |
* |
| 5 |
* This file is part of MyGPGME. |
| 6 |
* |
| 7 |
* MyGPGME is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
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* |
| 12 |
* MyGPGME is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
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* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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|
| 26 |
#include "util.h" |
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#include "context.h" |
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#include "ops.h" |
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|
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|
| 31 |
void |
| 32 |
_gpgme_genkey_status_handler( gpgme_ctx_t ctx, gpg_status_code_t code, char *args ) |
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{ |
| 34 |
if( code == STATUS_PROGRESS && *args ) { |
| 35 |
if( ctx->cb.progress ) { |
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char *p; |
| 37 |
int type=0, current=0, total=0; |
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|
| 39 |
if( (p = strchr (args, ' ')) != NULL ) { |
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*p++ = 0; |
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if (*p) { |
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type = *(byte*)p; |
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if( (p = strchr (p+1, ' ')) != NULL ) { |
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*p++ = 0; |
| 45 |
if( *p ) { |
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current = atoi (p); |
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if( (p = strchr (p+1, ' ')) != NULL ) { |
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*p++ = 0; |
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total = atoi (p); |
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} |
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} |
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} |
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} |
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} |
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if( type != 'X' ) |
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ctx->cb.progress( ctx->cb.progress_value, args, type, |
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current, total ); |
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} |
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return; |
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} |
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if (code == STATUS_KEY_CREATED) { |
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char * p; |
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safe_free (ctx->keygen_fpr); |
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p = ctx->keygen_fpr = strdup (args+2); |
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if (!p) |
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ctx->out_of_core = 1; |
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} |
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/*DEBUG2 ("genkey_status: code=%d args=`%s'\n", code, args);*/ |
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} |
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|
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|
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/* |
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* Here is how the parms should be formatted: |
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<GnupgKeyParms format="internal"> |
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Key-Type: DSA |
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Key-Length: 1024 |
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Subkey-Type: ELG-E |
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Subkey-Length: 1024 |
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Name-Real: Joe Tester |
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Name-Comment: with stupid passphrase |
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Name-Email: [email protected] |
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Expire-Date: 0 |
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Passphrase: abc |
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</GnupgKeyParms> |
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* Strings should be given in UTF-8 encoding. The format we support for now |
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* "internal". The content of the <GnupgKeyParms> container is passed |
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* verbatim to GnuPG. Control statements (e.g. %pubring) are not allowed. |
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*/ |
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gpgme_error_t |
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gpgme_op_genkey_start( gpgme_ctx_t c, const char * parms, |
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gpgme_data_t pubkey, gpgme_data_t seckey ) |
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{ |
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gpgme_error_t rc = 0; |
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const char * s, * s2, * sx; |
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|
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fail_on_pending_request( c ); |
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c->pending = 1; |
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|
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gpgme_data_release( c->help_data_1 ); |
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c->help_data_1 = NULL; |
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|
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/* create a process object */ |
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_gpgme_gpg_release( &c->gpg ); |
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rc = _gpgme_gpg_new( &c->gpg ); |
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if( rc ) |
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goto leave; |
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|
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/* We need a special mechanism to get the fd of a pipe here, so |
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* that we can use this for the %pubring and %secring parameters. |
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* We don't have this yet, so we implement only the adding to the |
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* standard keyrings */ |
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if( pubkey || seckey ) { |
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rc = mk_error( Not_Implemented ); |
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goto leave; |
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} |
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|
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if( c->use_logging ) |
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_gpgme_gpg_set_logging_handler( c->gpg, c ); |
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_gpgme_gpg_set_status_handler( c->gpg, _gpgme_genkey_status_handler, c ); |
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|
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/* build the commandline */ |
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_gpgme_gpg_add_arg ( c->gpg, "--gen-key" ); |
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if( c->use_armor ) |
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_gpgme_gpg_add_arg ( c->gpg, "--armor" ); |
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if ( !pubkey && !seckey ) |
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; /* okay: Add key to the keyrings */ |
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else if( !pubkey |
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|| gpgme_data_get_type( pubkey ) != GPGME_DATA_TYPE_NONE ) { |
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rc = mk_error ( Invalid_Value ); |
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goto leave; |
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} |
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else if( !seckey |
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|| gpgme_data_get_type( seckey ) != GPGME_DATA_TYPE_NONE ) { |
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rc = mk_error ( Invalid_Value ); |
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goto leave; |
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} |
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|
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if( pubkey ) { |
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_gpgme_data_set_mode( pubkey, GPGME_DATA_MODE_IN ); |
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_gpgme_data_set_mode( seckey, GPGME_DATA_MODE_IN ); |
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/* need some more things here */ |
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} |
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|
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if( (parms = strstr (parms, "<GnupgKeyParms " )) != NULL |
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&& (s = strchr (parms, '>')) != NULL |
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&& (sx = strstr( parms, "format=\"internal\"" )) != NULL |
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&& sx < s |
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&& (s2 = strstr( s+1, "</GnupgKeyParms>" )) != NULL) { |
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/* fixme: check that there are no control statements inside */ |
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rc = gpgme_data_new_from_mem( &c->help_data_1, s + 1, s2 - s - 1, 1 ); |
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} |
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else |
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rc = mk_error( Invalid_Value ); |
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if( rc ) |
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goto leave; |
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|
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_gpgme_data_set_mode( c->help_data_1, GPGME_DATA_MODE_OUT ); |
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_gpgme_gpg_add_data( c->gpg, c->help_data_1, 0 ); |
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rc = _gpgme_gpg_spawn ( c->gpg, c ); |
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|
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leave: |
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if( rc ) { |
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c->pending = 0; |
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_gpgme_gpg_release ( &c->gpg ); |
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} |
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|
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return rc; |
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} |
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|
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|
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/** |
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* gpgme_op_genkey: |
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* @c: the context |
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* @parms: XML string with the key parameters |
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* @pubkey: Returns the public key |
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* @seckey: Returns the secret key |
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* |
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* Generate a new key and store the key in the default keyrings if both |
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* @pubkey and @seckey are NULL. If @pubkey and @seckey are given, the newly |
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* created key will be returned in these data objects. |
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* See gpgme_op_genkey_start() for a description of @parms. |
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* |
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* Return value: 0 for success or an error code |
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**/ |
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gpgme_error_t |
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gpgme_op_genkey( gpgme_ctx_t c, const char * parms, |
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gpgme_data_t pubkey, gpgme_data_t seckey ) |
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|
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{ |
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gpgme_error_t rc; |
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|
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rc = gpgme_op_genkey_start ( c, parms, pubkey, seckey ); |
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if( !rc ) { |
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gpgme_wait ( c, 1 ); |
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c->pending = 0; |
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} |
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|
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return rc; |
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} /* gpgme_op_genkey */ |
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|
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static const char key_params[] = |
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"<GnupgKeyParms format=\"internal\">\n" |
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"Key-Type: %s\n" |
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"Key-Length: %d\n" |
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"Subkey-Type: %s\n" |
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"Subkey-Length: %d\n" |
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"Name-Real: %s\n" |
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"Name-Email: %s\n" |
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"Expire-Date: %s\n" |
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"Passphrase: %s\n" |
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"</GnupgKeyParms>\n"; |
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|
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static const char key_params_with_comment[] = |
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"<GnupgKeyParms format=\"internal\">\n" |
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"Key-Type: %s\n" |
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"Key-Length: %d\n" |
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"Subkey-Type: %s\n" |
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"Subkey-Length: %d\n" |
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"Name-Real: %s\n" |
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"Name-Comment: %s\n" |
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"Name-Email: %s\n" |
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"Expire-Date: %s\n" |
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"Passphrase: %s\n" |
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"</GnupgKeyParms>\n"; |
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|
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static const char key_params_one[] = |
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"<GnupgKeyParms format=\"internal\">\n" |
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"Key-Type: %s\n" |
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"Key-Length: %d\n" |
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"Key-Usage: %s\n" |
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"Name-Real: %s\n" |
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"Name-Email: %s\n" |
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"Expire-Date: %s\n" |
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"Passphrase: %s\n" |
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"</GnupgKeyParms>\n"; |
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|
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static const char key_params_one_with_comment[] = |
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"<GnupgKeyParms format=\"internal\">\n" |
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"Key-Type: %s\n" |
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"Key-Length: %d\n" |
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"Key-Usage: %s\n" |
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"Name-Real: %s\n" |
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"Name-Email: %s\n" |
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"Name-Comment: %s\n" |
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"Expire-Date: %s\n" |
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"Passphrase: %s\n" |
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"</GnupgKeyParms>\n"; |
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|
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|
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char * |
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gpgme_genkey_params( int keytype, int bits, |
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const char * user, const char * comment,const char * email, |
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const char * expdate, const char * passphrase ) |
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{ |
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char *p = NULL; |
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int addsize = strlen("sign encrypt"); |
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int size = 0; |
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|
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if( keytype == GPGME_KEYGEN_NONE ) |
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return NULL; |
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|
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if( comment && *comment ) { |
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size = strlen( key_params_with_comment ) |
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+ 16 |
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+ strlen( user ) |
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+ addsize |
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+ strlen( comment ) |
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+ strlen( email ) |
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+ strlen( passphrase ) + 32; |
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} |
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else { |
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size = strlen( key_params ) |
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+ 16 |
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+ strlen( user ) |
| 275 |
+ strlen( email ) |
| 276 |
+ strlen( passphrase ) |
| 277 |
+ addsize |
| 278 |
+ 32; |
| 279 |
} |
| 280 |
if( expdate ) |
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size += strlen( expdate ); |
| 282 |
p = malloc( size+1 ); |
| 283 |
if( !p ) |
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return NULL; |
| 285 |
if( comment && *comment ) { |
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switch( keytype ) { |
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case GPGME_KEYGEN_DSA_ELG: |
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sprintf( p, key_params_with_comment, |
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"DSA", 1024, "ELG-E", bits, user, comment, email, |
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expdate ? expdate : "0", passphrase ); |
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break; |
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|
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case GPGME_KEYGEN_DSA_RSA: |
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sprintf( p, key_params_with_comment, |
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"DSA", 1024, "RSA", bits, user, comment, email, |
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expdate ? expdate : "0", passphrase ); |
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break; |
| 298 |
|
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case GPGME_KEYGEN_DSA_SIG: |
| 300 |
sprintf( p, key_params_one_with_comment, |
| 301 |
"DSA", 1024, "sign", |
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user, comment, email, |
| 303 |
expdate ? expdate : "0", passphrase ); |
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break; |
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|
| 306 |
case GPGME_KEYGEN_RSA_SIG: |
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sprintf( p, key_params_one_with_comment, |
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"RSA", bits, "sign", |
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user, comment, email, |
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expdate ? expdate : "0", passphrase ); |
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break; |
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|
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case GPGME_KEYGEN_RSA: |
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sprintf( p, key_params_one_with_comment, |
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"RSA", bits, "sign encrypt", |
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user, comment, email, |
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expdate ? expdate : "0", passphrase ); |
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break; |
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|
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case GPGME_KEYGEN_RSA_RSA: |
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sprintf( p, key_params_with_comment, |
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"RSA", bits, "RSA", bits, user, comment, email, |
| 323 |
expdate? expdate : "0", passphrase ); |
| 324 |
break; |
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|
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default: |
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safe_free( p ); |
| 328 |
p = NULL; |
| 329 |
break; |
| 330 |
} |
| 331 |
} |
| 332 |
else { |
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switch ( keytype ) { |
| 334 |
case GPGME_KEYGEN_DSA_ELG: |
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sprintf( p, key_params, |
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"DSA", 1024, "ELG-E", bits, user, email, |
| 337 |
expdate ? expdate : "0", passphrase ); |
| 338 |
break; |
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|
| 340 |
case GPGME_KEYGEN_DSA_RSA: |
| 341 |
sprintf( p, key_params, |
| 342 |
"DSA", 1024, "RSA", bits, user, email, |
| 343 |
expdate ? expdate : "0", passphrase ); |
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break; |
| 345 |
|
| 346 |
case GPGME_KEYGEN_DSA_SIG: |
| 347 |
sprintf( p, key_params_one, |
| 348 |
"DSA", 1024, "sign", |
| 349 |
user, email, |
| 350 |
expdate ? expdate : "0", passphrase ); |
| 351 |
break; |
| 352 |
|
| 353 |
case GPGME_KEYGEN_RSA_SIG: |
| 354 |
sprintf( p, key_params_one, |
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"RSA", bits, "sign", |
| 356 |
user, email, |
| 357 |
expdate ? expdate : "0", passphrase ); |
| 358 |
break; |
| 359 |
|
| 360 |
case GPGME_KEYGEN_RSA: |
| 361 |
sprintf( p, key_params_one, |
| 362 |
"RSA", bits, "sign encrypt", |
| 363 |
user, email, |
| 364 |
expdate ? expdate : "0", passphrase ); |
| 365 |
break; |
| 366 |
|
| 367 |
case GPGME_KEYGEN_RSA_RSA: |
| 368 |
sprintf( p, key_params, |
| 369 |
"RSA", bits, "RSA", bits, user, email, |
| 370 |
expdate? expdate : "0", passphrase ); |
| 371 |
break; |
| 372 |
|
| 373 |
default: |
| 374 |
safe_free( p ); |
| 375 |
p = NULL; |
| 376 |
break; |
| 377 |
} |
| 378 |
} |
| 379 |
return p; |
| 380 |
} /* gpgme_genkey_params */ |
| 381 |
|
| 382 |
|
| 383 |
gpgme_error_t |
| 384 |
gpgme_op_genkey_auto (const char *params, gpgme_progress_cb_t prog_cb, |
| 385 |
char **fpr) |
| 386 |
{ |
| 387 |
gpgme_error_t err = 0; |
| 388 |
gpgme_ctx_t ctx; |
| 389 |
|
| 390 |
err = gpgme_new(&ctx); |
| 391 |
if (err) |
| 392 |
return err; |
| 393 |
if (prog_cb) |
| 394 |
gpgme_set_progress_cb (ctx, prog_cb, NULL); |
| 395 |
err = gpgme_op_genkey (ctx, params, NULL, NULL); |
| 396 |
if (fpr) |
| 397 |
*fpr = ctx->keygen_fpr? strdup (ctx->keygen_fpr) : NULL; |
| 398 |
gpgme_release (ctx); |
| 399 |
return err; |
| 400 |
} /* gpgme_op_genkey_auto */ |
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