diff options
Diffstat (limited to 'src/edit.c')
| -rw-r--r-- | src/edit.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/edit.c b/src/edit.c new file mode 100644 index 00000000..186d4f9d --- /dev/null +++ b/src/edit.c @@ -0,0 +1,177 @@ +/* edit.c - Key edit function. + Copyright (C) 2002, 2003, 2004 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +#if HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdlib.h> + +#include "gpgme.h" +#include "context.h" +#include "ops.h" + + +typedef struct +{ + /* The user callback function and its hook value. */ + gpgme_edit_cb_t fnc; + void *fnc_value; +} *op_data_t; + + +static gpgme_error_t +edit_status_handler (void *priv, gpgme_status_code_t status, char *args) +{ + gpgme_ctx_t ctx = (gpgme_ctx_t) priv; + gpgme_error_t err; + void *hook; + op_data_t opd; + + err = _gpgme_passphrase_status_handler (priv, status, args); + if (err) + return err; + + err = _gpgme_progress_status_handler (priv, status, args); + if (err) + return err; + + err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, &hook, -1, NULL); + opd = hook; + if (err) + return err; + + return (*opd->fnc) (opd->fnc_value, status, args, -1); +} + + +static gpgme_error_t +command_handler (void *priv, gpgme_status_code_t status, const char *args, + int fd, int *processed_r) +{ + gpgme_ctx_t ctx = (gpgme_ctx_t) priv; + gpgme_error_t err; + int processed = 0; + + if (ctx->passphrase_cb) + { + err = _gpgme_passphrase_command_handler (ctx, status, args, + fd, &processed); + if (err) + return err; + } + + if (!processed) + { + void *hook; + op_data_t opd; + + err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, &hook, -1, NULL); + opd = hook; + if (err) + return err; + + /* FIXME: We expect the user to handle _all_ status codes. + Later, we may fix the callback interface to allow the user + indicate if it processed the status code or not. */ + *processed_r = 1; + + return (*opd->fnc) (opd->fnc_value, status, args, fd); + } + + *processed_r = processed; + return 0; +} + + +static gpgme_error_t +edit_start (gpgme_ctx_t ctx, int synchronous, int type, gpgme_key_t key, + gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out) +{ + gpgme_error_t err; + void *hook; + op_data_t opd; + + err = _gpgme_op_reset (ctx, synchronous); + if (err) + return err; + + if (!fnc || !out) + return gpg_error (GPG_ERR_INV_VALUE); + + err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, &hook, sizeof (*opd), NULL); + opd = hook; + if (err) + return err; + + opd->fnc = fnc; + opd->fnc_value = fnc_value; + + err = _gpgme_engine_set_command_handler (ctx->engine, command_handler, + ctx, out); + if (err) + return err; + + _gpgme_engine_set_status_handler (ctx->engine, edit_status_handler, ctx); + + return _gpgme_engine_op_edit (ctx->engine, type, key, out, ctx); +} + + +gpgme_error_t +gpgme_op_edit_start (gpgme_ctx_t ctx, gpgme_key_t key, + gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out) +{ + return edit_start (ctx, 0, 0, key, fnc, fnc_value, out); +} + + +/* Edit the key KEY. Send status and command requests to FNC and + output of edit commands to OUT. */ +gpgme_error_t +gpgme_op_edit (gpgme_ctx_t ctx, gpgme_key_t key, + gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out) +{ + gpgme_error_t err = edit_start (ctx, 1, 0, key, fnc, fnc_value, out); + if (!err) + err = _gpgme_wait_one (ctx); + return err; +} + + +gpgme_error_t +gpgme_op_card_edit_start (gpgme_ctx_t ctx, gpgme_key_t key, + gpgme_edit_cb_t fnc, void *fnc_value, + gpgme_data_t out) +{ + return edit_start (ctx, 0, 1, key, fnc, fnc_value, out); +} + + +/* Edit the card for the key KEY. Send status and command requests to + FNC and output of edit commands to OUT. */ +gpgme_error_t +gpgme_op_card_edit (gpgme_ctx_t ctx, gpgme_key_t key, + gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out) +{ + gpgme_error_t err = edit_start (ctx, 1, 1, key, fnc, fnc_value, out); + if (!err) + err = _gpgme_wait_one (ctx); + return err; +} |