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-rw-r--r--src/edit.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/src/edit.c b/src/edit.c
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+++ b/src/edit.c
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+/* 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 "debug.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)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG5 (DEBUG_CTX, "gpgme_op_edit_start", ctx,
+ "key=%p (%s), fnc=%p fnc_value=%p, out=%p", key,
+ (key->subkeys && key->subkeys->fpr) ?
+ key->subkeys->fpr : "invalid", fnc, fnc_value, out);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = edit_start (ctx, 0, 0, key, fnc, fnc_value, out);
+ return err;
+}
+
+
+/* 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;
+
+ TRACE_BEG5 (DEBUG_CTX, "gpgme_op_edit", ctx,
+ "key=%p (%s), fnc=%p fnc_value=%p, out=%p", key,
+ (key->subkeys && key->subkeys->fpr) ?
+ key->subkeys->fpr : "invalid", fnc, fnc_value, out);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = edit_start (ctx, 1, 0, key, fnc, fnc_value, out);
+
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return TRACE_ERR (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)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG5 (DEBUG_CTX, "gpgme_op_card_edit_start", ctx,
+ "key=%p (%s), fnc=%p fnc_value=%p, out=%p", key,
+ (key->subkeys && key->subkeys->fpr) ?
+ key->subkeys->fpr : "invalid", fnc, fnc_value, out);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = edit_start (ctx, 0, 1, key, fnc, fnc_value, out);
+ return err;
+}
+
+
+/* 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;
+
+ TRACE_BEG5 (DEBUG_CTX, "gpgme_op_card_edit", ctx,
+ "key=%p (%s), fnc=%p fnc_value=%p, out=%p", key,
+ (key->subkeys && key->subkeys->fpr) ?
+ key->subkeys->fpr : "invalid", fnc, fnc_value, out);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = edit_start (ctx, 1, 1, key, fnc, fnc_value, out);
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return TRACE_ERR (err);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 22:26:24 +0000