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-rw-r--r--src/export.c325
1 files changed, 325 insertions, 0 deletions
diff --git a/src/export.c b/src/export.c
new file mode 100644
index 0000000..9c1c79c
--- /dev/null
+++ b/src/export.c
@@ -0,0 +1,325 @@
+/* export.c - Export a key.
+ Copyright (C) 2000 Werner Koch (dd9jn)
+ Copyright (C) 2001, 2002, 2003, 2004, 2010 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
+#include <stdlib.h>
+#include <string.h>
+
+#include "gpgme.h"
+#include "util.h"
+#include "debug.h"
+#include "context.h"
+#include "ops.h"
+
+
+static gpgme_error_t
+export_status_handler (void *priv, gpgme_status_code_t code, char *args)
+{
+ return 0;
+}
+
+
+static gpgme_error_t
+export_start (gpgme_ctx_t ctx, int synchronous, const char *pattern,
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ if ((mode & ~(GPGME_EXPORT_MODE_EXTERN
+ |GPGME_EXPORT_MODE_MINIMAL)))
+ return gpg_error (GPG_ERR_INV_VALUE); /* Invalid flags in MODE. */
+
+
+ if ((mode & GPGME_EXPORT_MODE_EXTERN))
+ {
+ if (keydata)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ }
+ else
+ {
+ if (!keydata)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ }
+
+ err = _gpgme_op_reset (ctx, synchronous);
+ if (err)
+ return err;
+
+ _gpgme_engine_set_status_handler (ctx->engine, export_status_handler, ctx);
+
+ return _gpgme_engine_op_export (ctx->engine, pattern, mode, keydata,
+ ctx->use_armor);
+}
+
+
+/* Export the keys listed in PATTERN into KEYDATA. */
+gpgme_error_t
+gpgme_op_export_start (gpgme_ctx_t ctx, const char *pattern,
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG3 (DEBUG_CTX, "gpgme_op_export_start", ctx,
+ "pattern=%s, mode=0x%x, keydata=%p", pattern, mode, keydata);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = export_start (ctx, 0, pattern, mode, keydata);
+ return TRACE_ERR (err);
+}
+
+
+/* Export the keys listed in PATTERN into KEYDATA. */
+gpgme_error_t
+gpgme_op_export (gpgme_ctx_t ctx, const char *pattern,
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG3 (DEBUG_CTX, "gpgme_op_export", ctx,
+ "pattern=%s, mode=0x%x, keydata=%p", pattern, mode, keydata);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = export_start (ctx, 1, pattern, mode, keydata);
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return err;
+}
+
+
+static gpgme_error_t
+export_ext_start (gpgme_ctx_t ctx, int synchronous, const char *pattern[],
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ if ((mode & ~(GPGME_EXPORT_MODE_EXTERN
+ |GPGME_EXPORT_MODE_MINIMAL)))
+ return gpg_error (GPG_ERR_INV_VALUE); /* Invalid flags in MODE. */
+
+ if ((mode & GPGME_EXPORT_MODE_EXTERN))
+ {
+ if (keydata)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ }
+ else
+ {
+ if (!keydata)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ }
+
+ err = _gpgme_op_reset (ctx, synchronous);
+ if (err)
+ return err;
+
+ _gpgme_engine_set_status_handler (ctx->engine, export_status_handler, ctx);
+
+ return _gpgme_engine_op_export_ext (ctx->engine, pattern, mode, keydata,
+ ctx->use_armor);
+}
+
+
+/* Export the keys listed in PATTERN into KEYDATA. */
+gpgme_error_t
+gpgme_op_export_ext_start (gpgme_ctx_t ctx, const char *pattern[],
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG2 (DEBUG_CTX, "gpgme_op_export_ext_start", ctx,
+ "mode=0x%x, keydata=%p", mode, keydata);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ if (_gpgme_debug_trace () && pattern)
+ {
+ int i = 0;
+
+ while (pattern[i])
+ {
+ TRACE_LOG2 ("pattern[%i] = %s", i, pattern[i]);
+ i++;
+ }
+ }
+
+ err = export_ext_start (ctx, 0, pattern, mode, keydata);
+ return TRACE_ERR (err);
+}
+
+
+/* Export the keys listed in PATTERN into KEYDATA. */
+gpgme_error_t
+gpgme_op_export_ext (gpgme_ctx_t ctx, const char *pattern[],
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG2 (DEBUG_CTX, "gpgme_op_export_ext_start", ctx,
+ "mode=0x%x, keydata=%p", mode, keydata);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ if (_gpgme_debug_trace () && pattern)
+ {
+ int i = 0;
+
+ while (pattern[i])
+ {
+ TRACE_LOG2 ("pattern[%i] = %s", i, pattern[i]);
+ i++;
+ }
+ }
+
+ err = export_ext_start (ctx, 1, pattern, mode, keydata);
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return TRACE_ERR (err);
+}
+
+
+
+
+
+static gpgme_error_t
+export_keys_start (gpgme_ctx_t ctx, int synchronous, gpgme_key_t keys[],
+ gpgme_export_mode_t mode, gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+ int nkeys, idx;
+ char **pattern;
+
+ if (!keys)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ /* Create a list of pattern from the keys. */
+ for (idx=nkeys=0; keys[idx]; idx++)
+ if (keys[idx]->protocol == ctx->protocol)
+ nkeys++;
+ if (!nkeys)
+ return gpg_error (GPG_ERR_NO_DATA);
+
+ pattern = calloc (nkeys+1, sizeof *pattern);
+ if (!pattern)
+ return gpg_error_from_syserror ();
+
+ for (idx=nkeys=0; keys[idx]; idx++)
+ if (keys[idx]->protocol == ctx->protocol
+ && keys[idx]->subkeys
+ && keys[idx]->subkeys->fpr
+ && *keys[idx]->subkeys->fpr)
+ {
+ pattern[nkeys] = strdup (keys[idx]->subkeys->fpr);
+ if (!pattern[nkeys])
+ {
+ err = gpg_error_from_syserror ();
+ goto leave;
+ }
+ nkeys++;
+ }
+
+
+ /* Pass on to the regular function. */
+ err = export_ext_start (ctx, synchronous, (const char**)pattern,
+ mode, keydata);
+
+ leave:
+ for (idx=0; pattern[idx]; idx++)
+ free (pattern[idx]);
+ free (pattern);
+
+ return err;
+}
+
+
+/* Export the keys from the array KEYS into KEYDATA. Only keys of the
+ current protocol are exported and only those which have a
+ fingerprint set; that is keys received with some external search
+ methods are silently skipped. */
+gpgme_error_t
+gpgme_op_export_keys_start (gpgme_ctx_t ctx,
+ gpgme_key_t keys[],
+ gpgme_export_mode_t mode,
+ gpgme_data_t keydata)
+{
+ gpg_error_t err;
+
+ TRACE_BEG2 (DEBUG_CTX, "gpgme_op_export_keys_start", ctx,
+ "mode=0x%x, keydata=%p", mode, keydata);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ if (_gpgme_debug_trace () && keys)
+ {
+ int i = 0;
+
+ while (keys[i])
+ {
+ TRACE_LOG3 ("keys[%i] = %p (%s)", i, keys[i],
+ (keys[i]->subkeys && keys[i]->subkeys->fpr) ?
+ keys[i]->subkeys->fpr : "invalid");
+ i++;
+ }
+ }
+
+ err = export_keys_start (ctx, 0, keys, mode, keydata);
+ return TRACE_ERR (err);
+}
+
+gpgme_error_t
+gpgme_op_export_keys (gpgme_ctx_t ctx,
+ gpgme_key_t keys[],
+ gpgme_export_mode_t mode,
+ gpgme_data_t keydata)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG2 (DEBUG_CTX, "gpgme_op_export_keys", ctx,
+ "mode=0x%x, keydata=%p", mode, keydata);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ if (_gpgme_debug_trace () && keys)
+ {
+ int i = 0;
+
+ while (keys[i])
+ {
+ TRACE_LOG3 ("keys[%i] = %p (%s)", i, keys[i],
+ (keys[i]->subkeys && keys[i]->subkeys->fpr) ?
+ keys[i]->subkeys->fpr : "invalid");
+ i++;
+ }
+ }
+
+ err = export_keys_start (ctx, 1, keys, mode, keydata);
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return TRACE_ERR (err);
+}
+
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