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/* delete.c - delete a key |
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* Copyright (C) 2001 Werner Koch (dd9jn), g10 Code GmbH |
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* Copyright (C) 2001-2004 Timo Schulz |
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* |
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* This file is part of MyGPGME. |
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* |
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* MyGPGME is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* MyGPGME is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* 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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#include <time.h> |
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#include <assert.h> |
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|
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#include "util.h" |
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#include "context.h" |
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#include "ops.h" |
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#include "key.h" |
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|
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|
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enum delete_problem { |
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No_Such_Key = 1, |
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Delete_Seckey_First = 2, |
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Ambigiuous_Specs = 3 |
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}; |
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|
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|
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static void |
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delete_status_handler (gpgme_ctx_t ctx, gpg_status_code_t code, char * args) |
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{ |
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if (ctx->out_of_core) |
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return; |
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|
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switch (code) { |
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case STATUS_EOF: |
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break; |
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|
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case STATUS_DELETE_PROBLEM: |
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ctx->problem = atol (args); |
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break; |
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|
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default: |
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break; /* ignore all other codes */ |
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} |
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} /* delete_status_handler */ |
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|
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|
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static const char * |
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delete_command_handler( void * opaque, gpg_status_code_t code, const char * key ) |
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{ |
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gpgme_ctx_t ctx = opaque; |
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|
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if( !code ) |
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return NULL; |
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|
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if( code == STATUS_GET_BOOL && !strcmp( "delete_key.secret.okay", key ) |
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|| code == STATUS_GET_BOOL && !strcmp( "delete_key.okay", key ) ) |
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return "Y"; |
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|
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return NULL; |
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} /* delete_command_handler */ |
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|
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|
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static gpgme_error_t |
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delete_start( gpgme_ctx_t ctx, const gpgme_key_t key, int allow_secret ) |
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{ |
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gpgme_error_t rc = 0; |
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const char * s; |
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|
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if( !key ) { |
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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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fail_on_pending_request( ctx ); |
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ctx->pending = 1; |
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|
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_gpgme_gpg_release( &ctx->gpg ); |
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rc = _gpgme_gpg_new( &ctx->gpg ); |
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if( rc ) |
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goto leave; |
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|
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_gpgme_gpg_set_status_handler ( ctx->gpg, delete_status_handler, ctx ); |
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_gpgme_gpg_set_command_handler( ctx->gpg, delete_command_handler, ctx ); |
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if( ctx->use_logging ) |
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_gpgme_gpg_set_logging_handler( ctx->gpg, ctx ); |
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|
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/* build the commandline */ |
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_gpgme_gpg_add_arg ( ctx->gpg, allow_secret? |
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"--delete-secret-and-public-key" : "--delete-key" ); |
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|
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_gpgme_gpg_add_arg ( ctx->gpg, "--" ); |
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s = gpgme_key_get_string_attr ( key, GPGME_ATTR_KEYID, NULL, 0 ); |
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if( !s ) { |
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rc = mk_error( Invalid_Key ); |
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goto leave; |
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} |
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_gpgme_gpg_add_arg( ctx->gpg, s ); |
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rc = _gpgme_gpg_spawn( ctx->gpg, ctx ); /* do it */ |
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|
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leave: |
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if( rc ) { |
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ctx->pending = 0; |
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_gpgme_gpg_release( &ctx->gpg ); |
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} |
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return rc; |
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} /* delete_start */ |
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|
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|
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gpgme_error_t |
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gpgme_op_delete( gpgme_ctx_t ctx, const gpgme_key_t key, int allow_secret ) |
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{ |
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gpgme_error_t err; |
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|
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err = delete_start( ctx, key, allow_secret ); |
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if( !err ) { |
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gpgme_wait( ctx, 1 ); |
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ctx->pending = 0; |
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if( ctx->problem == No_Such_Key ) |
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err = mk_error( Invalid_Key ); |
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else if( ctx->problem == Delete_Seckey_First ) |
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err = mk_error( Conflict ); |
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else if( gpgme_get_process_rc( ctx ) ) |
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err = mk_error( General_Error ); |
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} |
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|
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return err; |
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} /* gpgme_op_delete */ |
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|
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|
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/* interface */ |
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gpgme_error_t |
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gpgme_op_delete_key( const char * keyid, int allow_secret ) |
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{ |
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gpgme_error_t err = 0; |
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gpgme_key_t key = NULL; |
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gpgme_ctx_t ctx; |
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|
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if( !keyid ) |
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return mk_error( Invalid_Value ); |
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|
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err = gpgme_new( &ctx ); |
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if( !err ) |
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key = _gpgme_key_new_fromkeyid( keyid ); |
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if( !err && key ) |
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err = gpgme_op_delete( ctx, key, allow_secret ); |
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|
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gpgme_release( ctx ); |
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gpgme_key_release( key ); |
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return err; |
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} /* gpgme_op_key_delete */ |
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|
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|
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gpgme_error_t |
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gpgme_op_delete_keys (gpgme_recipients_t recp, int allow_secret) |
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{ |
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gpgme_error_t err; |
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struct user_id_s * u; |
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|
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if (!recp) |
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return mk_error (Invalid_Value); |
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|
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for (u = recp->list; u; u = u->next) { |
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err = gpgme_op_delete_key (u->name, allow_secret); |
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if (err) |
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break; |
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} |
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|
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return err; |
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} /* gpgme_op_delete_keys */ |
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