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-rw-r--r--libkdenetwork/libgpgme-copy/gpgme/sign.c328
1 files changed, 328 insertions, 0 deletions
diff --git a/libkdenetwork/libgpgme-copy/gpgme/sign.c b/libkdenetwork/libgpgme-copy/gpgme/sign.c
new file mode 100644
index 000000000..310f91798
--- /dev/null
+++ b/libkdenetwork/libgpgme-copy/gpgme/sign.c
@@ -0,0 +1,328 @@
+/* sign.c - Signing function.
+ Copyright (C) 2000 Werner Koch (dd9jn)
+ Copyright (C) 2001, 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 <string.h>
+#include <errno.h>
+
+#include "gpgme.h"
+#include "context.h"
+#include "ops.h"
+#include "util.h"
+
+
+typedef struct
+{
+ struct _gpgme_op_sign_result result;
+
+ /* A pointer to the next pointer of the last invalid signer in
+ the list. This makes appending new invalid signers painless
+ while preserving the order. */
+ gpgme_invalid_key_t *last_signer_p;
+
+ /* Likewise for signature information. */
+ gpgme_new_signature_t *last_sig_p;
+} *op_data_t;
+
+
+static void
+release_op_data (void *hook)
+{
+ op_data_t opd = (op_data_t) hook;
+ gpgme_invalid_key_t invalid_signer = opd->result.invalid_signers;
+ gpgme_new_signature_t sig = opd->result.signatures;
+
+ while (invalid_signer)
+ {
+ gpgme_invalid_key_t next = invalid_signer->next;
+ if (invalid_signer->fpr)
+ free (invalid_signer->fpr);
+ free (invalid_signer);
+ invalid_signer = next;
+ }
+
+ while (sig)
+ {
+ gpgme_new_signature_t next = sig->next;
+ free (sig->fpr);
+ free (sig);
+ sig = next;
+ }
+}
+
+
+gpgme_sign_result_t
+gpgme_op_sign_result (gpgme_ctx_t ctx)
+{
+ void *hook;
+ op_data_t opd;
+ gpgme_error_t err;
+
+ err = _gpgme_op_data_lookup (ctx, OPDATA_SIGN, &hook, -1, NULL);
+ opd = hook;
+ if (err || !opd)
+ return NULL;
+
+ return &opd->result;
+}
+
+
+static gpgme_error_t
+parse_sig_created (char *args, gpgme_new_signature_t *sigp)
+{
+ gpgme_new_signature_t sig;
+ char *tail;
+
+ sig = malloc (sizeof (*sig));
+ if (!sig)
+ return gpg_error_from_errno (errno);
+
+ sig->next = NULL;
+ switch (*args)
+ {
+ case 'S':
+ sig->type = GPGME_SIG_MODE_NORMAL;
+ break;
+
+ case 'D':
+ sig->type = GPGME_SIG_MODE_DETACH;
+ break;
+
+ case 'C':
+ sig->type = GPGME_SIG_MODE_CLEAR;
+ break;
+
+ default:
+ /* The backend engine is not behaving. */
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+
+ args++;
+ if (*args != ' ')
+ {
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+
+ errno = 0;
+ sig->pubkey_algo = strtol (args, &tail, 0);
+ if (errno || args == tail || *tail != ' ')
+ {
+ /* The crypto backend does not behave. */
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+ args = tail;
+
+ sig->hash_algo = strtol (args, &tail, 0);
+ if (errno || args == tail || *tail != ' ')
+ {
+ /* The crypto backend does not behave. */
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+ args = tail;
+
+ sig->sig_class = strtol (args, &tail, 0);
+ sig->class = sig->sig_class;
+ sig->_obsolete_class = sig->sig_class;
+ if (errno || args == tail || *tail != ' ')
+ {
+ /* The crypto backend does not behave. */
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+ args = tail;
+
+ sig->timestamp = _gpgme_parse_timestamp (args, &tail);
+ if (sig->timestamp == -1 || args == tail || *tail != ' ')
+ {
+ /* The crypto backend does not behave. */
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+ args = tail;
+ while (*args == ' ')
+ args++;
+
+ if (!*args)
+ {
+ /* The crypto backend does not behave. */
+ free (sig);
+ return gpg_error (GPG_ERR_INV_ENGINE);
+ }
+
+ tail = strchr (args, ' ');
+ if (tail)
+ *tail = '\0';
+
+ sig->fpr = strdup (args);
+ if (!sig->fpr)
+ {
+ int saved_errno = errno;
+ free (sig);
+ return gpg_error_from_errno (saved_errno);
+ }
+ *sigp = sig;
+ return 0;
+}
+
+
+gpgme_error_t
+_gpgme_sign_status_handler (void *priv, gpgme_status_code_t code, 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, code, args);
+ if (err)
+ return err;
+
+ err = _gpgme_op_data_lookup (ctx, OPDATA_SIGN, &hook, -1, NULL);
+ opd = hook;
+ if (err)
+ return err;
+
+ switch (code)
+ {
+ case GPGME_STATUS_SIG_CREATED:
+ err = parse_sig_created (args, opd->last_sig_p);
+ if (err)
+ return err;
+
+ opd->last_sig_p = &(*opd->last_sig_p)->next;
+ break;
+
+ case GPGME_STATUS_INV_RECP:
+ err = _gpgme_parse_inv_recp (args, opd->last_signer_p);
+ if (err)
+ return err;
+
+ opd->last_signer_p = &(*opd->last_signer_p)->next;
+ break;
+
+ case GPGME_STATUS_EOF:
+ if (opd->result.invalid_signers)
+ return gpg_error (GPG_ERR_UNUSABLE_SECKEY);
+ break;
+
+ default:
+ break;
+ }
+ return err;
+}
+
+
+static gpgme_error_t
+sign_status_handler (void *priv, gpgme_status_code_t code, char *args)
+{
+ gpgme_error_t err;
+
+ err = _gpgme_progress_status_handler (priv, code, args);
+ if (!err)
+ err = _gpgme_sign_status_handler (priv, code, args);
+ return err;
+}
+
+
+gpgme_error_t
+_gpgme_op_sign_init_result (gpgme_ctx_t ctx)
+{
+ gpgme_error_t err;
+ void *hook;
+ op_data_t opd;
+
+ err = _gpgme_op_data_lookup (ctx, OPDATA_SIGN, &hook,
+ sizeof (*opd), release_op_data);
+ opd = hook;
+ if (err)
+ return err;
+ opd->last_signer_p = &opd->result.invalid_signers;
+ opd->last_sig_p = &opd->result.signatures;
+ return 0;
+}
+
+
+static gpgme_error_t
+sign_start (gpgme_ctx_t ctx, int synchronous, gpgme_data_t plain,
+ gpgme_data_t sig, gpgme_sig_mode_t mode)
+{
+ gpgme_error_t err;
+
+ err = _gpgme_op_reset (ctx, synchronous);
+ if (err)
+ return err;
+
+ err = _gpgme_op_sign_init_result (ctx);
+ if (err)
+ return err;
+
+ if (mode != GPGME_SIG_MODE_NORMAL && mode != GPGME_SIG_MODE_DETACH
+ && mode != GPGME_SIG_MODE_CLEAR)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (!plain)
+ return gpg_error (GPG_ERR_NO_DATA);
+ if (!sig)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (ctx->passphrase_cb)
+ {
+ err = _gpgme_engine_set_command_handler
+ (ctx->engine, _gpgme_passphrase_command_handler, ctx, NULL);
+ if (err)
+ return err;
+ }
+
+ _gpgme_engine_set_status_handler (ctx->engine, sign_status_handler,
+ ctx);
+
+ return _gpgme_engine_op_sign (ctx->engine, plain, sig, mode, ctx->use_armor,
+ ctx->use_textmode, ctx->include_certs,
+ ctx /* FIXME */);
+}
+
+
+/* Sign the plaintext PLAIN and store the signature in SIG. */
+gpgme_error_t
+gpgme_op_sign_start (gpgme_ctx_t ctx, gpgme_data_t plain, gpgme_data_t sig,
+ gpgme_sig_mode_t mode)
+{
+ return sign_start (ctx, 0, plain, sig, mode);
+}
+
+
+/* Sign the plaintext PLAIN and store the signature in SIG. */
+gpgme_error_t
+gpgme_op_sign (gpgme_ctx_t ctx, gpgme_data_t plain, gpgme_data_t sig,
+ gpgme_sig_mode_t mode)
+{
+ gpgme_error_t err = sign_start (ctx, 1, plain, sig, mode);
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return err;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 22:11:46 +0000