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authorAnas Nashif <anas.nashif@intel.com>2013-02-19 08:22:18 -0800
committerAnas Nashif <anas.nashif@intel.com>2013-02-19 08:22:18 -0800
commit26fb537f9cf011eaeaf975adcad5e8e9154d04fd (patch)
treeddc2171273fca8b730b9c496e1b5ed3b01878577 /src/opassuan.c
downloadgpgme-upstream/1.3.2.tar.gz
gpgme-upstream/1.3.2.tar.bz2
gpgme-upstream/1.3.2.zip
Imported Upstream version 1.3.2upstream/1.3.2
Diffstat (limited to 'src/opassuan.c')
-rw-r--r--src/opassuan.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/src/opassuan.c b/src/opassuan.c
new file mode 100644
index 0000000..21c25ca
--- /dev/null
+++ b/src/opassuan.c
@@ -0,0 +1,230 @@
+/* opassuan.c - Low-level Assuan operations.
+ Copyright (C) 2009 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* Suppress warning for accessing deprecated member "err". */
+#define _GPGME_IN_GPGME 1
+#include "gpgme.h"
+#include "context.h"
+#include "ops.h"
+#include "util.h"
+#include "debug.h"
+
+/* LEGACY: Remove this when removing the deprecated result
+ structure. */
+typedef struct
+{
+ struct _gpgme_op_assuan_result result;
+} *op_data_t;
+
+
+static gpgme_error_t
+opassuan_start (gpgme_ctx_t ctx, int synchronous,
+ const char *command,
+ gpgme_assuan_data_cb_t data_cb,
+ void *data_cb_value,
+ gpgme_assuan_inquire_cb_t inq_cb,
+ void *inq_cb_value,
+ gpgme_assuan_status_cb_t status_cb,
+ void *status_cb_value)
+{
+ gpgme_error_t err;
+
+ if (!command || !*command)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ /* The flag value 256 is used to suppress an engine reset. This is
+ required to keep the connection running. */
+ err = _gpgme_op_reset (ctx, ((synchronous&255) | 256));
+ if (err)
+ return err;
+
+ {
+ /* LEGACY: Remove this when removing the deprecated result
+ structure. */
+ void *hook;
+ op_data_t opd;
+ err = _gpgme_op_data_lookup (ctx, OPDATA_ASSUAN, &hook,
+ sizeof (*opd), NULL);
+ if (err)
+ return err;
+ }
+
+ return _gpgme_engine_op_assuan_transact (ctx->engine, command,
+ data_cb, data_cb_value,
+ inq_cb, inq_cb_value,
+ status_cb, status_cb_value);
+}
+
+
+
+/* XXXX. This is the asynchronous variant. */
+gpgme_error_t
+gpgme_op_assuan_transact_start (gpgme_ctx_t ctx,
+ const char *command,
+ gpgme_assuan_data_cb_t data_cb,
+ void *data_cb_value,
+ gpgme_assuan_inquire_cb_t inq_cb,
+ void *inq_cb_value,
+ gpgme_assuan_status_cb_t status_cb,
+ void *status_cb_value)
+{
+ gpg_error_t err;
+
+ TRACE_BEG7 (DEBUG_CTX, "gpgme_op_assuan_transact_start", ctx,
+ "command=%s, data_cb=%p/%p, inq_cb=%p/%p, status_cb=%p/%p",
+ command, data_cb, data_cb_value, inq_cb, inq_cb_value,
+ status_cb, status_cb_value);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = opassuan_start (ctx, 0, command, data_cb, data_cb_value,
+ inq_cb, inq_cb_value, status_cb, status_cb_value);
+ return TRACE_ERR (err);
+}
+
+
+/* XXXX. This is the synchronous variant. */
+gpgme_error_t
+gpgme_op_assuan_transact_ext (gpgme_ctx_t ctx,
+ const char *command,
+ gpgme_assuan_data_cb_t data_cb,
+ void *data_cb_value,
+ gpgme_assuan_inquire_cb_t inq_cb,
+ void *inq_cb_value,
+ gpgme_assuan_status_cb_t status_cb,
+ void *status_cb_value,
+ gpgme_error_t *op_err_p)
+{
+ gpgme_error_t err;
+ gpgme_error_t op_err;
+
+ TRACE_BEG8 (DEBUG_CTX, "gpgme_op_assuan_transact", ctx,
+ "command=%s, data_cb=%p/%p, inq_cb=%p/%p, status_cb=%p/%p, "
+ "op_err=%p",
+ command, data_cb, data_cb_value, inq_cb, inq_cb_value,
+ status_cb, status_cb_value, op_err_p);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = opassuan_start (ctx, 1, command,
+ data_cb, data_cb_value,
+ inq_cb, inq_cb_value,
+ status_cb, status_cb_value);
+ if (err)
+ goto out;
+
+ err = _gpgme_wait_one_ext (ctx, &op_err);
+ if (op_err)
+ {
+ TRACE_LOG2 ("op_err = %s <%s>", gpgme_strerror (op_err),
+ gpgme_strsource (op_err));
+ if (! op_err_p)
+ {
+ TRACE_LOG ("warning: operational error ignored by user");
+ }
+ }
+ if (op_err_p)
+ *op_err_p = op_err;
+
+ out:
+ return TRACE_ERR (err);
+}
+
+
+
+
+/* Compatibility code for old interface. */
+
+/* Evil hack breaking abstractions for the purpose of localizing our
+ other hack. This is copied from engine.c. */
+struct engine
+{
+ struct engine_ops *ops;
+ void *engine;
+};
+
+gpg_error_t _gpgme_engine_assuan_last_op_err (void *engine);
+
+gpgme_assuan_result_t
+gpgme_op_assuan_result (gpgme_ctx_t ctx)
+{
+ gpgme_error_t err;
+ void *hook;
+ op_data_t opd;
+
+ TRACE_BEG (DEBUG_CTX, "gpgme_op_assuan_result", ctx);
+
+ err = _gpgme_op_data_lookup (ctx, OPDATA_ASSUAN, &hook, -1, NULL);
+ opd = hook;
+ /* Check in case this function is used without having run a command
+ before. */
+ if (err || !opd)
+ {
+ TRACE_SUC0 ("result=(null)");
+ return NULL;
+ }
+
+ /* All of this is a hack for the old style interface. The new style
+ interface returns op errors directly. */
+ opd->result.err = _gpgme_engine_assuan_last_op_err (ctx->engine->engine);
+ if (opd->result.err)
+ {
+ TRACE_LOG1 ("err = %s", gpg_strerror (0));
+ }
+ else
+ {
+ TRACE_LOG2 ("err = %s <%s>", gpg_strerror (opd->result.err),
+ gpg_strsource (opd->result.err));
+ }
+
+ TRACE_SUC1 ("result=%p", &opd->result);
+ return &opd->result;
+}
+
+
+gpgme_error_t
+gpgme_op_assuan_transact (gpgme_ctx_t ctx,
+ const char *command,
+ gpgme_assuan_data_cb_t data_cb,
+ void *data_cb_value,
+ gpgme_assuan_inquire_cb_t inq_cb,
+ void *inq_cb_value,
+ gpgme_assuan_status_cb_t status_cb,
+ void *status_cb_value)
+{
+ gpgme_error_t err;
+
+ TRACE (DEBUG_CTX, "gpgme_op_assuan_transact", ctx);
+
+ if (!ctx)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ /* Users of the old-style session based interfaces need to look at
+ the result structure. */
+ err = gpgme_op_assuan_transact_ext (ctx, command, data_cb, data_cb_value,
+ inq_cb, inq_cb_value,
+ status_cb, status_cb_value, NULL);
+ return err;
+}