From 460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
libkdenetwork/libgpgme-copy/gpgme/engine-gpgsm.c | 1750 ++++++++++++++++++++++
1 file changed, 1750 insertions(+)
create mode 100644 libkdenetwork/libgpgme-copy/gpgme/engine-gpgsm.c
(limited to 'libkdenetwork/libgpgme-copy/gpgme/engine-gpgsm.c')
diff --git a/libkdenetwork/libgpgme-copy/gpgme/engine-gpgsm.c b/libkdenetwork/libgpgme-copy/gpgme/engine-gpgsm.c
new file mode 100644
index 000000000..7bb71cf24
--- /dev/null
+++ b/libkdenetwork/libgpgme-copy/gpgme/engine-gpgsm.c
@@ -0,0 +1,1750 @@
+/* engine-gpgsm.c - GpgSM engine.
+ Copyright (C) 2000 Werner Koch (dd9jn)
+ Copyright (C) 2001, 2002, 2003, 2004, 2005 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
+
+#ifndef HAVE_W32_SYSTEM
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <unistd.h>
+#include <locale.h>
+#include <fcntl.h> /* FIXME */
+#include <errno.h>
+
+#include "gpgme.h"
+#include "util.h"
+#include "ops.h"
+#include "wait.h"
+#include "priv-io.h"
+#include "sema.h"
+
+#include "assuan.h"
+#include "status-table.h"
+#include "debug.h"
+
+#include "engine-backend.h"
+
+
+typedef struct
+{
+ int fd; /* FD we talk about. */
+ int server_fd; /* Server FD for this connection. */
+ int dir; /* Inbound/Outbound, maybe given implicit? */
+ void *data; /* Handler-specific data. */
+ void *tag; /* ID from the user for gpgme_remove_io_callback. */
+} iocb_data_t;
+
+
+struct engine_gpgsm
+{
+ assuan_context_t assuan_ctx;
+
+ int lc_ctype_set;
+ int lc_messages_set;
+
+ iocb_data_t status_cb;
+
+ /* Input, output etc are from the servers perspective. */
+ iocb_data_t input_cb;
+
+ iocb_data_t output_cb;
+
+ iocb_data_t message_cb;
+
+ struct
+ {
+ engine_status_handler_t fnc;
+ void *fnc_value;
+ } status;
+
+ struct
+ {
+ engine_colon_line_handler_t fnc;
+ void *fnc_value;
+ struct
+ {
+ char *line;
+ int linesize;
+ int linelen;
+ } attic;
+ int any; /* any data line seen */
+ } colon;
+
+ struct gpgme_io_cbs io_cbs;
+};
+
+typedef struct engine_gpgsm *engine_gpgsm_t;
+
+
+static char *
+gpgsm_get_version (const char *file_name)
+{
+ return _gpgme_get_program_version (file_name ? file_name
+ : _gpgme_get_gpgsm_path ());
+}
+
+
+static const char *
+gpgsm_get_req_version (void)
+{
+ return NEED_GPGSM_VERSION;
+}
+
+
+static void
+close_notify_handler (int fd, void *opaque)
+{
+ engine_gpgsm_t gpgsm = opaque;
+
+ assert (fd != -1);
+ if (gpgsm->status_cb.fd == fd)
+ {
+ if (gpgsm->status_cb.tag)
+ (*gpgsm->io_cbs.remove) (gpgsm->status_cb.tag);
+ gpgsm->status_cb.fd = -1;
+ gpgsm->status_cb.tag = NULL;
+ }
+ else if (gpgsm->input_cb.fd == fd)
+ {
+ if (gpgsm->input_cb.tag)
+ (*gpgsm->io_cbs.remove) (gpgsm->input_cb.tag);
+ gpgsm->input_cb.fd = -1;
+ gpgsm->input_cb.tag = NULL;
+ }
+ else if (gpgsm->output_cb.fd == fd)
+ {
+ if (gpgsm->output_cb.tag)
+ (*gpgsm->io_cbs.remove) (gpgsm->output_cb.tag);
+ gpgsm->output_cb.fd = -1;
+ gpgsm->output_cb.tag = NULL;
+ }
+ else if (gpgsm->message_cb.fd == fd)
+ {
+ if (gpgsm->message_cb.tag)
+ (*gpgsm->io_cbs.remove) (gpgsm->message_cb.tag);
+ gpgsm->message_cb.fd = -1;
+ gpgsm->message_cb.tag = NULL;
+ }
+}
+
+
+static gpgme_error_t
+map_assuan_error (gpg_error_t err)
+{
+ if (!err)
+ return 0;
+
+ if (err == -1)
+ return gpg_error (GPG_ERR_INV_ENGINE);
+
+ /* New code will use gpg_error_t values. */
+ if (gpg_err_source (err))
+ return (gpgme_error_t) err;
+
+ /* Legacy code will use old values. */
+ switch (err)
+ {
+ case ASSUAN_No_Error:
+ return gpg_error (GPG_ERR_NO_ERROR);
+ case ASSUAN_General_Error:
+ return gpg_error (GPG_ERR_GENERAL);
+ case ASSUAN_Out_Of_Core:
+ return gpg_error (GPG_ERR_ENOMEM);
+ case ASSUAN_Invalid_Value:
+ return gpg_error (GPG_ERR_INV_VALUE);
+ case ASSUAN_Timeout:
+ return gpg_error (GPG_ERR_ETIMEDOUT);
+ case ASSUAN_Read_Error:
+ return gpg_error (GPG_ERR_GENERAL);
+ case ASSUAN_Write_Error:
+ return gpg_error (GPG_ERR_GENERAL);
+
+ case ASSUAN_Problem_Starting_Server:
+ case ASSUAN_Not_A_Server:
+ case ASSUAN_Not_A_Client:
+ case ASSUAN_Nested_Commands:
+ case ASSUAN_No_Data_Callback:
+ case ASSUAN_No_Inquire_Callback:
+ case ASSUAN_Connect_Failed:
+ case ASSUAN_Accept_Failed:
+ case ASSUAN_Invalid_Command:
+ case ASSUAN_Unknown_Command:
+ case ASSUAN_Syntax_Error:
+ case ASSUAN_Parameter_Error:
+ case ASSUAN_Parameter_Conflict:
+ case ASSUAN_No_Input:
+ case ASSUAN_No_Output:
+ case ASSUAN_No_Data_Available:
+ case ASSUAN_Too_Much_Data:
+ case ASSUAN_Inquire_Unknown:
+ case ASSUAN_Inquire_Error:
+ case ASSUAN_Invalid_Option:
+ case ASSUAN_Unexpected_Status:
+ case ASSUAN_Unexpected_Data:
+ case ASSUAN_Invalid_Status:
+ return gpg_error (GPG_ERR_ASSUAN);
+
+ case ASSUAN_Invalid_Response:
+ return gpg_error (GPG_ERR_INV_RESPONSE);
+
+ case ASSUAN_Not_Implemented:
+ return gpg_error (GPG_ERR_NOT_IMPLEMENTED);
+ case ASSUAN_Line_Too_Long:
+ return gpg_error (GPG_ERR_LINE_TOO_LONG);
+ case ASSUAN_Line_Not_Terminated:
+ return gpg_error (GPG_ERR_INCOMPLETE_LINE);
+ case ASSUAN_Canceled:
+ return gpg_error (GPG_ERR_CANCELED);
+
+ case ASSUAN_Unsupported_Algorithm:
+ return gpg_error (GPG_ERR_UNSUPPORTED_ALGORITHM);
+ case ASSUAN_Server_Resource_Problem:
+ return gpg_error (GPG_ERR_RESOURCE_LIMIT);
+ case ASSUAN_Server_IO_Error:
+ return gpg_error (GPG_ERR_GENERAL);
+ case ASSUAN_Server_Bug:
+ return gpg_error (GPG_ERR_BUG);
+ case ASSUAN_Invalid_Data:
+ return gpg_error (GPG_ERR_INV_DATA);
+ case ASSUAN_Invalid_Index:
+ return gpg_error (GPG_ERR_INV_INDEX);
+ case ASSUAN_Not_Confirmed:
+ return gpg_error (GPG_ERR_NOT_CONFIRMED);
+ case ASSUAN_Bad_Certificate:
+ return gpg_error (GPG_ERR_BAD_CERT);
+ case ASSUAN_Bad_Certificate_Chain:
+ return gpg_error (GPG_ERR_BAD_CERT_CHAIN);
+ case ASSUAN_Missing_Certificate:
+ return gpg_error (GPG_ERR_MISSING_CERT);
+ case ASSUAN_Bad_Signature:
+ return gpg_error (GPG_ERR_BAD_SIGNATURE);
+ case ASSUAN_No_Agent:
+ return gpg_error (GPG_ERR_NO_AGENT);
+ case ASSUAN_Agent_Error:
+ return gpg_error (GPG_ERR_AGENT);
+ case ASSUAN_No_Public_Key:
+ return gpg_error (GPG_ERR_NO_PUBKEY);
+ case ASSUAN_No_Secret_Key:
+ return gpg_error (GPG_ERR_NO_SECKEY);
+ case ASSUAN_Invalid_Name:
+ return gpg_error (GPG_ERR_INV_NAME);
+
+ case ASSUAN_Cert_Revoked:
+ return gpg_error (GPG_ERR_CERT_REVOKED);
+ case ASSUAN_No_CRL_For_Cert:
+ return gpg_error (GPG_ERR_NO_CRL_KNOWN);
+ case ASSUAN_CRL_Too_Old:
+ return gpg_error (GPG_ERR_CRL_TOO_OLD);
+ case ASSUAN_Not_Trusted:
+ return gpg_error (GPG_ERR_NOT_TRUSTED);
+
+ case ASSUAN_Card_Error:
+ return gpg_error (GPG_ERR_CARD);
+ case ASSUAN_Invalid_Card:
+ return gpg_error (GPG_ERR_INV_CARD);
+ case ASSUAN_No_PKCS15_App:
+ return gpg_error (GPG_ERR_NO_PKCS15_APP);
+ case ASSUAN_Card_Not_Present:
+ return gpg_error (GPG_ERR_CARD_NOT_PRESENT);
+ case ASSUAN_Invalid_Id:
+ return gpg_error (GPG_ERR_INV_ID);
+ default:
+ return gpg_error (GPG_ERR_GENERAL);
+ }
+}
+
+
+static gpgme_error_t
+gpgsm_cancel (void *engine)
+{
+ engine_gpgsm_t gpgsm = engine;
+
+ if (!gpgsm)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (gpgsm->status_cb.fd != -1)
+ _gpgme_io_close (gpgsm->status_cb.fd);
+ if (gpgsm->input_cb.fd != -1)
+ _gpgme_io_close (gpgsm->input_cb.fd);
+ if (gpgsm->output_cb.fd != -1)
+ _gpgme_io_close (gpgsm->output_cb.fd);
+ if (gpgsm->message_cb.fd != -1)
+ _gpgme_io_close (gpgsm->message_cb.fd);
+
+ if (gpgsm->assuan_ctx)
+ {
+ assuan_disconnect (gpgsm->assuan_ctx);
+ gpgsm->assuan_ctx = NULL;
+ }
+
+ return 0;
+}
+
+
+static void
+gpgsm_release (void *engine)
+{
+ engine_gpgsm_t gpgsm = engine;
+
+ if (!gpgsm)
+ return;
+
+ gpgsm_cancel (engine);
+
+ free (gpgsm->colon.attic.line);
+ free (gpgsm);
+}
+
+
+static gpgme_error_t
+gpgsm_new (void **engine, const char *file_name, const char *home_dir)
+{
+ gpgme_error_t err = 0;
+ engine_gpgsm_t gpgsm;
+ const char *argv[5];
+ int argc;
+#if !USE_DESCRIPTOR_PASSING
+ int fds[2];
+ int child_fds[4];
+#endif
+ char *dft_display = NULL;
+ char dft_ttyname[64];
+ char *dft_ttytype = NULL;
+ char *optstr;
+
+ gpgsm = calloc (1, sizeof *gpgsm);
+ if (!gpgsm)
+ return gpg_error_from_errno (errno);
+
+ gpgsm->status_cb.fd = -1;
+ gpgsm->status_cb.dir = 1;
+ gpgsm->status_cb.tag = 0;
+ gpgsm->status_cb.data = gpgsm;
+
+ gpgsm->input_cb.fd = -1;
+ gpgsm->input_cb.dir = 0;
+ gpgsm->input_cb.tag = 0;
+ gpgsm->input_cb.server_fd = -1;
+ gpgsm->output_cb.fd = -1;
+ gpgsm->output_cb.dir = 1;
+ gpgsm->output_cb.tag = 0;
+ gpgsm->output_cb.server_fd = -1;
+ gpgsm->message_cb.fd = -1;
+ gpgsm->message_cb.dir = 0;
+ gpgsm->message_cb.tag = 0;
+ gpgsm->message_cb.server_fd = -1;
+
+ gpgsm->status.fnc = 0;
+ gpgsm->colon.fnc = 0;
+ gpgsm->colon.attic.line = 0;
+ gpgsm->colon.attic.linesize = 0;
+ gpgsm->colon.attic.linelen = 0;
+ gpgsm->colon.any = 0;
+
+ gpgsm->io_cbs.add = NULL;
+ gpgsm->io_cbs.add_priv = NULL;
+ gpgsm->io_cbs.remove = NULL;
+ gpgsm->io_cbs.event = NULL;
+ gpgsm->io_cbs.event_priv = NULL;
+
+#if !USE_DESCRIPTOR_PASSING
+ if (_gpgme_io_pipe (fds, 0) < 0)
+ {
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ gpgsm->input_cb.fd = fds[1];
+ gpgsm->input_cb.server_fd = fds[0];
+
+ if (_gpgme_io_pipe (fds, 1) < 0)
+ {
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ gpgsm->output_cb.fd = fds[0];
+ gpgsm->output_cb.server_fd = fds[1];
+
+ if (_gpgme_io_pipe (fds, 0) < 0)
+ {
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ gpgsm->message_cb.fd = fds[1];
+ gpgsm->message_cb.server_fd = fds[0];
+
+ child_fds[0] = gpgsm->input_cb.server_fd;
+ child_fds[1] = gpgsm->output_cb.server_fd;
+ child_fds[2] = gpgsm->message_cb.server_fd;
+ child_fds[3] = -1;
+#endif
+
+ argc = 0;
+ argv[argc++] = "gpgsm";
+ if (home_dir)
+ {
+ argv[argc++] = "--homedir";
+ argv[argc++] = home_dir;
+ }
+ argv[argc++] = "--server";
+ argv[argc++] = NULL;
+
+#if USE_DESCRIPTOR_PASSING
+ err = assuan_pipe_connect_ext
+ (&gpgsm->assuan_ctx, file_name ? file_name : _gpgme_get_gpgsm_path (),
+ argv, NULL, NULL, NULL, 1);
+#else
+ err = assuan_pipe_connect
+ (&gpgsm->assuan_ctx, file_name ? file_name : _gpgme_get_gpgsm_path (),
+ argv, child_fds);
+#endif
+ if (err)
+ goto leave;
+
+ err = _gpgme_getenv ("DISPLAY", &dft_display);
+ if (err)
+ goto leave;
+ if (dft_display)
+ {
+ if (asprintf (&optstr, "OPTION display=%s", dft_display) < 0)
+ {
+ free (dft_display);
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ free (dft_display);
+
+ err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL, NULL,
+ NULL, NULL, NULL);
+ free (optstr);
+ if (err)
+ {
+ err = map_assuan_error (err);
+ goto leave;
+ }
+ }
+
+ if (isatty (1))
+ {
+ if (ttyname_r (1, dft_ttyname, sizeof (dft_ttyname)))
+ {
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ else
+ {
+ if (asprintf (&optstr, "OPTION ttyname=%s", dft_ttyname) < 0)
+ {
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL, NULL,
+ NULL, NULL, NULL);
+ free (optstr);
+ if (err)
+ {
+ err = map_assuan_error (err);
+ goto leave;
+ }
+
+ err = _gpgme_getenv ("TERM", &dft_ttytype);
+ if (err)
+ goto leave;
+ if (dft_ttytype)
+ {
+ if (asprintf (&optstr, "OPTION ttytype=%s", dft_ttytype) < 0)
+ {
+ free (dft_ttytype);
+ err = gpg_error_from_errno (errno);
+ goto leave;
+ }
+ free (dft_ttytype);
+
+ err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL,
+ NULL, NULL, NULL, NULL);
+ free (optstr);
+ if (err)
+ {
+ err = map_assuan_error (err);
+ goto leave;
+ }
+ }
+ }
+ }
+
+#if !USE_DESCRIPTOR_PASSING
+ if (!err
+ && (_gpgme_io_set_close_notify (gpgsm->input_cb.fd,
+ close_notify_handler, gpgsm)
+ || _gpgme_io_set_close_notify (gpgsm->output_cb.fd,
+ close_notify_handler, gpgsm)
+ || _gpgme_io_set_close_notify (gpgsm->message_cb.fd,
+ close_notify_handler, gpgsm)))
+ {
+ err = gpg_error (GPG_ERR_GENERAL);
+ goto leave;
+ }
+#endif
+
+ leave:
+ /* Close the server ends of the pipes. Our ends are closed in
+ gpgsm_release(). */
+#if !USE_DESCRIPTOR_PASSING
+ if (gpgsm->input_cb.server_fd != -1)
+ _gpgme_io_close (gpgsm->input_cb.server_fd);
+ if (gpgsm->output_cb.server_fd != -1)
+ _gpgme_io_close (gpgsm->output_cb.server_fd);
+ if (gpgsm->message_cb.server_fd != -1)
+ _gpgme_io_close (gpgsm->message_cb.server_fd);
+#endif
+
+ if (err)
+ gpgsm_release (gpgsm);
+ else
+ *engine = gpgsm;
+
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_set_locale (void *engine, int category, const char *value)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+ char *optstr;
+ char *catstr;
+
+ /* FIXME: If value is NULL, we need to reset the option to default.
+ But we can't do this. So we error out here. GPGSM needs support
+ for this. */
+ if (category == LC_CTYPE)
+ {
+ catstr = "lc-ctype";
+ if (!value && gpgsm->lc_ctype_set)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ if (value)
+ gpgsm->lc_ctype_set = 1;
+ }
+#ifdef LC_MESSAGES
+ else if (category == LC_MESSAGES)
+ {
+ catstr = "lc-messages";
+ if (!value && gpgsm->lc_messages_set)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ if (value)
+ gpgsm->lc_messages_set = 1;
+ }
+#endif /* LC_MESSAGES */
+ else
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (asprintf (&optstr, "OPTION %s=%s", catstr, value) < 0)
+ err = gpg_error_from_errno (errno);
+ else
+ {
+ err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL,
+ NULL, NULL, NULL, NULL);
+ free (optstr);
+ if (err)
+ err = map_assuan_error (err);
+ }
+ return err;
+}
+
+
+/* Forward declaration. */
+static gpgme_status_code_t parse_status (const char *name);
+
+static gpgme_error_t
+gpgsm_assuan_simple_command (assuan_context_t ctx, char *cmd,
+ engine_status_handler_t status_fnc,
+ void *status_fnc_value)
+{
+ gpg_error_t err;
+ char *line;
+ size_t linelen;
+
+ err = assuan_write_line (ctx, cmd);
+ if (err)
+ return map_assuan_error (err);
+
+ do
+ {
+ err = assuan_read_line (ctx, &line, &linelen);
+ if (err)
+ return map_assuan_error (err);
+
+ if (*line == '#' || !linelen)
+ continue;
+
+ if (linelen >= 2
+ && line[0] == 'O' && line[1] == 'K'
+ && (line[2] == '\0' || line[2] == ' '))
+ return 0;
+ else if (linelen >= 4
+ && line[0] == 'E' && line[1] == 'R' && line[2] == 'R'
+ && line[3] == ' ')
+ err = map_assuan_error (atoi (&line[4]));
+ else if (linelen >= 2
+ && line[0] == 'S' && line[1] == ' ')
+ {
+ char *rest;
+ gpgme_status_code_t r;
+
+ rest = strchr (line + 2, ' ');
+ if (!rest)
+ rest = line + linelen; /* set to an empty string */
+ else
+ *(rest++) = 0;
+
+ r = parse_status (line + 2);
+
+ if (r >= 0 && status_fnc)
+ err = status_fnc (status_fnc_value, r, rest);
+ else
+ err = gpg_error (GPG_ERR_GENERAL);
+ }
+ else
+ err = gpg_error (GPG_ERR_GENERAL);
+ }
+ while (!err);
+
+ return err;
+}
+
+
+typedef enum { INPUT_FD, OUTPUT_FD, MESSAGE_FD } fd_type_t;
+
+static void
+gpgsm_clear_fd (engine_gpgsm_t gpgsm, fd_type_t fd_type)
+{
+#if !USE_DESCRIPTOR_PASSING
+ switch (fd_type)
+ {
+ case INPUT_FD:
+ _gpgme_io_close (gpgsm->input_cb.fd);
+ break;
+ case OUTPUT_FD:
+ _gpgme_io_close (gpgsm->output_cb.fd);
+ break;
+ case MESSAGE_FD:
+ _gpgme_io_close (gpgsm->message_cb.fd);
+ break;
+ }
+#endif
+}
+
+#define COMMANDLINELEN 40
+static gpgme_error_t
+gpgsm_set_fd (engine_gpgsm_t gpgsm, fd_type_t fd_type, const char *opt)
+{
+ gpg_error_t err = 0;
+ char line[COMMANDLINELEN];
+ char *which;
+ iocb_data_t *iocb_data;
+ int dir;
+ int fd;
+
+ switch (fd_type)
+ {
+ case INPUT_FD:
+ which = "INPUT";
+ iocb_data = &gpgsm->input_cb;
+ break;
+
+ case OUTPUT_FD:
+ which = "OUTPUT";
+ iocb_data = &gpgsm->output_cb;
+ break;
+
+ case MESSAGE_FD:
+ which = "MESSAGE";
+ iocb_data = &gpgsm->message_cb;
+ break;
+
+ default:
+ return gpg_error (GPG_ERR_INV_VALUE);
+ }
+
+ dir = iocb_data->dir;
+
+#if USE_DESCRIPTOR_PASSING
+ /* We try to short-cut the communication by giving GPGSM direct
+ access to the file descriptor, rather than using a pipe. */
+ iocb_data->server_fd = _gpgme_data_get_fd (iocb_data->data);
+ if (iocb_data->server_fd < 0)
+ {
+ int fds[2];
+
+ if (_gpgme_io_pipe (fds, 0) < 0)
+ return gpg_error_from_errno (errno);
+
+ iocb_data->fd = dir ? fds[0] : fds[1];
+ iocb_data->server_fd = dir ? fds[1] : fds[0];
+
+ if (_gpgme_io_set_close_notify (iocb_data->fd,
+ close_notify_handler, gpgsm))
+ {
+ err = gpg_error (GPG_ERR_GENERAL);
+ goto leave_set_fd;
+ }
+ }
+#endif
+
+ fd = iocb_data->server_fd;
+
+#if USE_DESCRIPTOR_PASSING
+ err = assuan_sendfd (gpgsm->assuan_ctx, fd);
+ if (err)
+ goto leave_set_fd;
+
+ _gpgme_io_close (fd);
+
+ if (opt)
+ snprintf (line, COMMANDLINELEN, "%s FD %s", which, opt);
+ else
+ snprintf (line, COMMANDLINELEN, "%s FD", which);
+#else
+ if (opt)
+ snprintf (line, COMMANDLINELEN, "%s FD=%i %s", which, fd, opt);
+ else
+ snprintf (line, COMMANDLINELEN, "%s FD=%i", which, fd);
+#endif
+
+ err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, line, NULL, NULL);
+
+#if USE_DESCRIPTOR_PASSING
+ leave_set_fd:
+ if (err)
+ {
+ _gpgme_io_close (iocb_data->fd);
+ _gpgme_io_close (iocb_data->server_fd);
+ iocb_data->fd = -1;
+ iocb_data->server_fd = -1;
+ }
+#endif
+
+ return err;
+}
+
+
+static const char *
+map_input_enc (gpgme_data_t d)
+{
+ switch (gpgme_data_get_encoding (d))
+ {
+ case GPGME_DATA_ENCODING_NONE:
+ break;
+ case GPGME_DATA_ENCODING_BINARY:
+ return "--binary";
+ case GPGME_DATA_ENCODING_BASE64:
+ return "--base64";
+ case GPGME_DATA_ENCODING_ARMOR:
+ return "--armor";
+ default:
+ break;
+ }
+ return NULL;
+}
+
+
+static int
+status_cmp (const void *ap, const void *bp)
+{
+ const struct status_table_s *a = ap;
+ const struct status_table_s *b = bp;
+
+ return strcmp (a->name, b->name);
+}
+
+
+static gpgme_status_code_t
+parse_status (const char *name)
+{
+ struct status_table_s t, *r;
+ t.name = name;
+ r = bsearch (&t, status_table, DIM(status_table) - 1,
+ sizeof t, status_cmp);
+ return r ? r->code : -1;
+}
+
+
+static gpgme_error_t
+status_handler (void *opaque, int fd)
+{
+ gpg_error_t assuan_err;
+ gpgme_error_t err = 0;
+ engine_gpgsm_t gpgsm = opaque;
+ char *line;
+ size_t linelen;
+
+ do
+ {
+ assuan_err = assuan_read_line (gpgsm->assuan_ctx, &line, &linelen);
+ if (assuan_err)
+ {
+ /* Try our best to terminate the connection friendly. */
+ /* assuan_write_line (gpgsm->assuan_ctx, "BYE"); */
+ err = map_assuan_error (assuan_err);
+ DEBUG3 ("fd %d: error from assuan (%d) getting status line : %s \n",
+ fd, assuan_err, gpg_strerror (err));
+ }
+ else if (linelen >= 3
+ && line[0] == 'E' && line[1] == 'R' && line[2] == 'R'
+ && (line[3] == '\0' || line[3] == ' '))
+ {
+ if (line[3] == ' ')
+ err = map_assuan_error (atoi (&line[4]));
+ else
+ err = gpg_error (GPG_ERR_GENERAL);
+ DEBUG2 ("fd %d: ERR line - mapped to: %s\n",
+ fd, err? gpg_strerror (err):"ok");
+ }
+ else if (linelen >= 2
+ && line[0] == 'O' && line[1] == 'K'
+ && (line[2] == '\0' || line[2] == ' '))
+ {
+ if (gpgsm->status.fnc)
+ err = gpgsm->status.fnc (gpgsm->status.fnc_value,
+ GPGME_STATUS_EOF, "");
+
+ if (!err && gpgsm->colon.fnc && gpgsm->colon.any )
+ {
+ /* We must tell a colon function about the EOF. We do
+ this only when we have seen any data lines. Note
+ that this inlined use of colon data lines will
+ eventually be changed into using a regular data
+ channel. */
+ gpgsm->colon.any = 0;
+ err = gpgsm->colon.fnc (gpgsm->colon.fnc_value, NULL);
+ }
+ _gpgme_io_close (gpgsm->status_cb.fd);
+ DEBUG2 ("fd %d: OK line - final status: %s\n",
+ fd, err? gpg_strerror (err):"ok");
+ return err;
+ }
+ else if (linelen > 2
+ && line[0] == 'D' && line[1] == ' '
+ && gpgsm->colon.fnc)
+ {
+ /* We are using the colon handler even for plain inline data
+ - strange name for that function but for historic reasons
+ we keep it. */
+ /* FIXME We can't use this for binary data because we
+ assume this is a string. For the current usage of colon
+ output it is correct. */
+ char *src = line + 2;
+ char *end = line + linelen;
+ char *dst;
+ char **aline = &gpgsm->colon.attic.line;
+ int *alinelen = &gpgsm->colon.attic.linelen;
+
+ if (gpgsm->colon.attic.linesize
+ < *alinelen + linelen + 1)
+ {
+ char *newline = realloc (*aline, *alinelen + linelen + 1);
+ if (!newline)
+ err = gpg_error_from_errno (errno);
+ else
+ {
+ *aline = newline;
+ gpgsm->colon.attic.linesize += linelen + 1;
+ }
+ }
+ if (!err)
+ {
+ dst = *aline + *alinelen;
+
+ while (!err && src < end)
+ {
+ if (*src == '%' && src + 2 < end)
+ {
+ /* Handle escaped characters. */
+ ++src;
+ *dst = _gpgme_hextobyte (src);
+ (*alinelen)++;
+ src += 2;
+ }
+ else
+ {
+ *dst = *src++;
+ (*alinelen)++;
+ }
+
+ if (*dst == '\n')
+ {
+ /* Terminate the pending line, pass it to the colon
+ handler and reset it. */
+
+ gpgsm->colon.any = 1;
+ if (*alinelen > 1 && *(dst - 1) == '\r')
+ dst--;
+ *dst = '\0';
+
+ /* FIXME How should we handle the return code? */
+ err = gpgsm->colon.fnc (gpgsm->colon.fnc_value, *aline);
+ if (!err)
+ {
+ dst = *aline;
+ *alinelen = 0;
+ }
+ }
+ else
+ dst++;
+ }
+ }
+ DEBUG2 ("fd %d: D line; final status: %s\n",
+ fd, err? gpg_strerror (err):"ok");
+ }
+ else if (linelen > 2
+ && line[0] == 'S' && line[1] == ' ')
+ {
+ char *rest;
+ gpgme_status_code_t r;
+
+ rest = strchr (line + 2, ' ');
+ if (!rest)
+ rest = line + linelen; /* set to an empty string */
+ else
+ *(rest++) = 0;
+
+ r = parse_status (line + 2);
+
+ if (r >= 0)
+ {
+ if (gpgsm->status.fnc)
+ err = gpgsm->status.fnc (gpgsm->status.fnc_value, r, rest);
+ }
+ else
+ fprintf (stderr, "[UNKNOWN STATUS]%s %s", line + 2, rest);
+ DEBUG3 ("fd %d: S line (%s) - final status: %s\n",
+ fd, line+2, err? gpg_strerror (err):"ok");
+ }
+ }
+ while (!err && assuan_pending_line (gpgsm->assuan_ctx));
+
+ return err;
+}
+
+
+static gpgme_error_t
+add_io_cb (engine_gpgsm_t gpgsm, iocb_data_t *iocbd, gpgme_io_cb_t handler)
+{
+ gpgme_error_t err;
+
+ err = (*gpgsm->io_cbs.add) (gpgsm->io_cbs.add_priv,
+ iocbd->fd, iocbd->dir,
+ handler, iocbd->data, &iocbd->tag);
+ if (err)
+ return err;
+ if (!iocbd->dir)
+ /* FIXME Kludge around poll() problem. */
+ err = _gpgme_io_set_nonblocking (iocbd->fd);
+ return err;
+}
+
+
+static gpgme_error_t
+start (engine_gpgsm_t gpgsm, const char *command)
+{
+ gpgme_error_t err;
+ int fdlist[5];
+ int nfds;
+
+ /* We need to know the fd used by assuan for reads. We do this by
+ using the assumption that the first returned fd from
+ assuan_get_active_fds() is always this one. */
+ nfds = assuan_get_active_fds (gpgsm->assuan_ctx, 0 /* read fds */,
+ fdlist, DIM (fdlist));
+ if (nfds < 1)
+ return gpg_error (GPG_ERR_GENERAL); /* FIXME */
+
+ /* We duplicate the file descriptor, so we can close it without
+ disturbing assuan. Alternatively, we could special case
+ status_fd and register/unregister it manually as needed, but this
+ increases code duplication and is more complicated as we can not
+ use the close notifications etc. */
+ gpgsm->status_cb.fd = dup (fdlist[0]);
+ if (gpgsm->status_cb.fd < 0)
+ return gpg_error_from_syserror ();
+
+ if (_gpgme_io_set_close_notify (gpgsm->status_cb.fd,
+ close_notify_handler, gpgsm))
+ {
+ close (gpgsm->status_cb.fd);
+ gpgsm->status_cb.fd = -1;
+ return gpg_error (GPG_ERR_GENERAL);
+ }
+
+ err = add_io_cb (gpgsm, &gpgsm->status_cb, status_handler);
+ if (!err && gpgsm->input_cb.fd != -1)
+ err = add_io_cb (gpgsm, &gpgsm->input_cb, _gpgme_data_outbound_handler);
+ if (!err && gpgsm->output_cb.fd != -1)
+ err = add_io_cb (gpgsm, &gpgsm->output_cb, _gpgme_data_inbound_handler);
+ if (!err && gpgsm->message_cb.fd != -1)
+ err = add_io_cb (gpgsm, &gpgsm->message_cb, _gpgme_data_outbound_handler);
+
+ if (!err)
+ err = map_assuan_error (assuan_write_line (gpgsm->assuan_ctx, command));
+
+ if (!err)
+ (*gpgsm->io_cbs.event) (gpgsm->io_cbs.event_priv, GPGME_EVENT_START, NULL);
+
+ return err;
+}
+
+
+#if USE_DESCRIPTOR_PASSING
+static gpgme_error_t
+gpgsm_reset (void *engine)
+{
+ engine_gpgsm_t gpgsm = engine;
+
+ /* We must send a reset because we need to reset the list of
+ signers. Note that RESET does not reset OPTION commands. */
+ return gpgsm_assuan_simple_command (gpgsm->assuan_ctx, "RESET", NULL, NULL);
+}
+#endif
+
+
+static gpgme_error_t
+gpgsm_decrypt (void *engine, gpgme_data_t ciph, gpgme_data_t plain)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+
+ if (!gpgsm)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ gpgsm->input_cb.data = ciph;
+ err = gpgsm_set_fd (gpgsm, INPUT_FD, map_input_enc (gpgsm->input_cb.data));
+ if (err)
+ return gpg_error (GPG_ERR_GENERAL); /* FIXME */
+ gpgsm->output_cb.data = plain;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, 0);
+ if (err)
+ return gpg_error (GPG_ERR_GENERAL); /* FIXME */
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (engine, "DECRYPT");
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_delete (void *engine, gpgme_key_t key, int allow_secret)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+ char *fpr = key->subkeys ? key->subkeys->fpr : NULL;
+ char *linep = fpr;
+ char *line;
+ int length = 8; /* "DELKEYS " */
+
+ if (!fpr)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ while (*linep)
+ {
+ length++;
+ if (*linep == '%' || *linep == ' ' || *linep == '+')
+ length += 2;
+ linep++;
+ }
+ length++;
+
+ line = malloc (length);
+ if (!line)
+ return gpg_error_from_errno (errno);
+
+ strcpy (line, "DELKEYS ");
+ linep = &line[8];
+
+ while (*fpr)
+ {
+ switch (*fpr)
+ {
+ case '%':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = '5';
+ break;
+ case ' ':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = '0';
+ break;
+ case '+':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = 'B';
+ break;
+ default:
+ *(linep++) = *fpr;
+ break;
+ }
+ fpr++;
+ }
+ *linep = '\0';
+
+ gpgsm_clear_fd (gpgsm, OUTPUT_FD);
+ gpgsm_clear_fd (gpgsm, INPUT_FD);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, line);
+ free (line);
+
+ return err;
+}
+
+
+static gpgme_error_t
+set_recipients (engine_gpgsm_t gpgsm, gpgme_key_t recp[])
+{
+ gpgme_error_t err = 0;
+ assuan_context_t ctx = gpgsm->assuan_ctx;
+ char *line;
+ int linelen;
+ int invalid_recipients = 0;
+ int i = 0;
+
+ linelen = 10 + 40 + 1; /* "RECIPIENT " + guess + '\0'. */
+ line = malloc (10 + 40 + 1);
+ if (!line)
+ return gpg_error_from_errno (errno);
+ strcpy (line, "RECIPIENT ");
+ while (!err && recp[i])
+ {
+ char *fpr;
+ int newlen;
+
+ if (!recp[i]->subkeys || !recp[i]->subkeys->fpr)
+ {
+ invalid_recipients++;
+ continue;
+ }
+ fpr = recp[i]->subkeys->fpr;
+
+ newlen = 11 + strlen (fpr);
+ if (linelen < newlen)
+ {
+ char *newline = realloc (line, newlen);
+ if (! newline)
+ {
+ int saved_errno = errno;
+ free (line);
+ return gpg_error_from_errno (saved_errno);
+ }
+ line = newline;
+ linelen = newlen;
+ }
+ strcpy (&line[10], fpr);
+
+ err = gpgsm_assuan_simple_command (ctx, line, gpgsm->status.fnc,
+ gpgsm->status.fnc_value);
+ /* FIXME: This requires more work. */
+ if (gpg_err_code (err) == GPG_ERR_NO_PUBKEY)
+ invalid_recipients++;
+ else if (err)
+ {
+ free (line);
+ return err;
+ }
+ i++;
+ }
+ free (line);
+ return gpg_error (invalid_recipients
+ ? GPG_ERR_UNUSABLE_PUBKEY : GPG_ERR_NO_ERROR);
+}
+
+
+static gpgme_error_t
+gpgsm_encrypt (void *engine, gpgme_key_t recp[], gpgme_encrypt_flags_t flags,
+ gpgme_data_t plain, gpgme_data_t ciph, int use_armor)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+
+ if (!gpgsm)
+ return gpg_error (GPG_ERR_INV_VALUE);
+ if (!recp)
+ return gpg_error (GPG_ERR_NOT_IMPLEMENTED);
+
+ gpgsm->input_cb.data = plain;
+ err = gpgsm_set_fd (gpgsm, INPUT_FD, map_input_enc (gpgsm->input_cb.data));
+ if (err)
+ return err;
+ gpgsm->output_cb.data = ciph;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, use_armor ? "--armor" : 0);
+ if (err)
+ return err;
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = set_recipients (gpgsm, recp);
+
+ if (!err)
+ err = start (gpgsm, "ENCRYPT");
+
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_export (void *engine, const char *pattern, unsigned int reserved,
+ gpgme_data_t keydata, int use_armor)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err = 0;
+ char *cmd;
+
+ if (!gpgsm || reserved)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (!pattern)
+ pattern = "";
+
+ cmd = malloc (7 + strlen (pattern) + 1);
+ if (!cmd)
+ return gpg_error_from_errno (errno);
+ strcpy (cmd, "EXPORT ");
+ strcpy (&cmd[7], pattern);
+
+ gpgsm->output_cb.data = keydata;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, use_armor ? "--armor" : 0);
+ if (err)
+ return err;
+ gpgsm_clear_fd (gpgsm, INPUT_FD);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, cmd);
+ free (cmd);
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_export_ext (void *engine, const char *pattern[], unsigned int reserved,
+ gpgme_data_t keydata, int use_armor)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err = 0;
+ char *line;
+ /* Length is "EXPORT " + p + '\0'. */
+ int length = 7 + 1;
+ char *linep;
+
+ if (!gpgsm || reserved)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (pattern && *pattern)
+ {
+ const char **pat = pattern;
+
+ while (*pat)
+ {
+ const char *patlet = *pat;
+
+ while (*patlet)
+ {
+ length++;
+ if (*patlet == '%' || *patlet == ' ' || *patlet == '+')
+ length += 2;
+ patlet++;
+ }
+ pat++;
+ length++;
+ }
+ }
+ line = malloc (length);
+ if (!line)
+ return gpg_error_from_errno (errno);
+
+ strcpy (line, "EXPORT ");
+ linep = &line[7];
+
+ if (pattern && *pattern)
+ {
+ while (*pattern)
+ {
+ const char *patlet = *pattern;
+
+ while (*patlet)
+ {
+ switch (*patlet)
+ {
+ case '%':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = '5';
+ break;
+ case ' ':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = '0';
+ break;
+ case '+':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = 'B';
+ break;
+ default:
+ *(linep++) = *patlet;
+ break;
+ }
+ patlet++;
+ }
+ pattern++;
+ if (*pattern)
+ *linep++ = ' ';
+ }
+ }
+ *linep = '\0';
+
+ gpgsm->output_cb.data = keydata;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, use_armor ? "--armor" : 0);
+ if (err)
+ return err;
+ gpgsm_clear_fd (gpgsm, INPUT_FD);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, line);
+ free (line);
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_genkey (void *engine, gpgme_data_t help_data, int use_armor,
+ gpgme_data_t pubkey, gpgme_data_t seckey)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+
+ if (!gpgsm || !pubkey || seckey)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ gpgsm->input_cb.data = help_data;
+ err = gpgsm_set_fd (gpgsm, INPUT_FD, map_input_enc (gpgsm->input_cb.data));
+ if (err)
+ return err;
+ gpgsm->output_cb.data = pubkey;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, use_armor ? "--armor" : 0);
+ if (err)
+ return err;
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, "GENKEY");
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_import (void *engine, gpgme_data_t keydata)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+
+ if (!gpgsm)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ gpgsm->input_cb.data = keydata;
+ err = gpgsm_set_fd (gpgsm, INPUT_FD, map_input_enc (gpgsm->input_cb.data));
+ if (err)
+ return err;
+ gpgsm_clear_fd (gpgsm, OUTPUT_FD);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, "IMPORT");
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_keylist (void *engine, const char *pattern, int secret_only,
+ gpgme_keylist_mode_t mode)
+{
+ engine_gpgsm_t gpgsm = engine;
+ char *line;
+ gpgme_error_t err;
+ int list_mode = 0;
+
+ if (mode & GPGME_KEYLIST_MODE_LOCAL)
+ list_mode |= 1;
+ if (mode & GPGME_KEYLIST_MODE_EXTERN)
+ list_mode |= 2;
+
+ if (!pattern)
+ pattern = "";
+
+ /* Always send list-mode option because RESET does not reset it. */
+ if (asprintf (&line, "OPTION list-mode=%d", (list_mode & 3)) < 0)
+ return gpg_error_from_errno (errno);
+ err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, line, NULL, NULL);
+ free (line);
+ if (err)
+ return err;
+
+
+ /* Always send key validation because RESET does not reset it. */
+
+ /* Use the validation mode if required. We don't check for an error
+ yet because this is a pretty fresh gpgsm features. */
+ gpgsm_assuan_simple_command (gpgsm->assuan_ctx,
+ (mode & GPGME_KEYLIST_MODE_VALIDATE)?
+ "OPTION with-validation=1":
+ "OPTION with-validation=0" ,
+ NULL, NULL);
+
+
+ /* Length is "LISTSECRETKEYS " + p + '\0'. */
+ line = malloc (15 + strlen (pattern) + 1);
+ if (!line)
+ return gpg_error_from_errno (errno);
+ if (secret_only)
+ {
+ strcpy (line, "LISTSECRETKEYS ");
+ strcpy (&line[15], pattern);
+ }
+ else
+ {
+ strcpy (line, "LISTKEYS ");
+ strcpy (&line[9], pattern);
+ }
+
+ gpgsm_clear_fd (gpgsm, INPUT_FD);
+ gpgsm_clear_fd (gpgsm, OUTPUT_FD);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, line);
+ free (line);
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_keylist_ext (void *engine, const char *pattern[], int secret_only,
+ int reserved, gpgme_keylist_mode_t mode)
+{
+ engine_gpgsm_t gpgsm = engine;
+ char *line;
+ gpgme_error_t err;
+ /* Length is "LISTSECRETKEYS " + p + '\0'. */
+ int length = 15 + 1;
+ char *linep;
+ int any_pattern = 0;
+ int list_mode = 0;
+
+ if (reserved)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (mode & GPGME_KEYLIST_MODE_LOCAL)
+ list_mode |= 1;
+ if (mode & GPGME_KEYLIST_MODE_EXTERN)
+ list_mode |= 2;
+
+ /* Always send list-mode option because RESET does not reset it. */
+ if (asprintf (&line, "OPTION list-mode=%d", (list_mode & 3)) < 0)
+ return gpg_error_from_errno (errno);
+ err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, line, NULL, NULL);
+ free (line);
+ if (err)
+ return err;
+
+ /* Always send key validation because RESET does not reset it. */
+ /* Use the validation mode if required. We don't check for an error
+ yet because this is a pretty fresh gpgsm features. */
+ gpgsm_assuan_simple_command (gpgsm->assuan_ctx,
+ (mode & GPGME_KEYLIST_MODE_VALIDATE)?
+ "OPTION with-validation=1":
+ "OPTION with-validation=0" ,
+ NULL, NULL);
+
+
+ if (pattern && *pattern)
+ {
+ const char **pat = pattern;
+
+ while (*pat)
+ {
+ const char *patlet = *pat;
+
+ while (*patlet)
+ {
+ length++;
+ if (*patlet == '%' || *patlet == ' ' || *patlet == '+')
+ length += 2;
+ patlet++;
+ }
+ pat++;
+ length++;
+ }
+ }
+ line = malloc (length);
+ if (!line)
+ return gpg_error_from_errno (errno);
+ if (secret_only)
+ {
+ strcpy (line, "LISTSECRETKEYS ");
+ linep = &line[15];
+ }
+ else
+ {
+ strcpy (line, "LISTKEYS ");
+ linep = &line[9];
+ }
+
+ if (pattern && *pattern)
+ {
+ while (*pattern)
+ {
+ const char *patlet = *pattern;
+
+ while (*patlet)
+ {
+ switch (*patlet)
+ {
+ case '%':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = '5';
+ break;
+ case ' ':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = '0';
+ break;
+ case '+':
+ *(linep++) = '%';
+ *(linep++) = '2';
+ *(linep++) = 'B';
+ break;
+ default:
+ *(linep++) = *patlet;
+ break;
+ }
+ patlet++;
+ }
+ any_pattern = 1;
+ *linep++ = ' ';
+ pattern++;
+ }
+ }
+ if (any_pattern)
+ linep--;
+ *linep = '\0';
+
+ gpgsm_clear_fd (gpgsm, INPUT_FD);
+ gpgsm_clear_fd (gpgsm, OUTPUT_FD);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, line);
+ free (line);
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_sign (void *engine, gpgme_data_t in, gpgme_data_t out,
+ gpgme_sig_mode_t mode, int use_armor, int use_textmode,
+ int include_certs, gpgme_ctx_t ctx /* FIXME */)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+ char *assuan_cmd;
+ int i;
+ gpgme_key_t key;
+
+ if (!gpgsm)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ /* FIXME: This does not work as RESET does not reset it so we can't
+ revert back to default. */
+ if (include_certs != GPGME_INCLUDE_CERTS_DEFAULT)
+ {
+ /* FIXME: Make sure that if we run multiple operations, that we
+ can reset any previously set value in case the default is
+ requested. */
+
+ if (asprintf (&assuan_cmd, "OPTION include-certs %i", include_certs) < 0)
+ return gpg_error_from_errno (errno);
+ err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, assuan_cmd,
+ NULL, NULL);
+ free (assuan_cmd);
+ if (err)
+ return err;
+ }
+
+ for (i = 0; (key = gpgme_signers_enum (ctx, i)); i++)
+ {
+ const char *s = key->subkeys ? key->subkeys->fpr : NULL;
+ if (s && strlen (s) < 80)
+ {
+ char buf[100];
+
+ strcpy (stpcpy (buf, "SIGNER "), s);
+ err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, buf,
+ NULL, NULL);
+ }
+ else
+ err = gpg_error (GPG_ERR_INV_VALUE);
+ gpgme_key_unref (key);
+ if (err)
+ return err;
+ }
+
+ gpgsm->input_cb.data = in;
+ err = gpgsm_set_fd (gpgsm, INPUT_FD, map_input_enc (gpgsm->input_cb.data));
+ if (err)
+ return err;
+ gpgsm->output_cb.data = out;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, use_armor ? "--armor" : 0);
+ if (err)
+ return err;
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+
+ err = start (gpgsm, mode == GPGME_SIG_MODE_DETACH
+ ? "SIGN --detached" : "SIGN");
+ return err;
+}
+
+
+static gpgme_error_t
+gpgsm_verify (void *engine, gpgme_data_t sig, gpgme_data_t signed_text,
+ gpgme_data_t plaintext)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgme_error_t err;
+
+ if (!gpgsm)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ gpgsm->input_cb.data = sig;
+ err = gpgsm_set_fd (gpgsm, INPUT_FD, map_input_enc (gpgsm->input_cb.data));
+ if (err)
+ return err;
+ if (plaintext)
+ {
+ /* Normal or cleartext signature. */
+ gpgsm->output_cb.data = plaintext;
+ err = gpgsm_set_fd (gpgsm, OUTPUT_FD, 0);
+ gpgsm_clear_fd (gpgsm, MESSAGE_FD);
+ }
+ else
+ {
+ /* Detached signature. */
+ gpgsm->message_cb.data = signed_text;
+ err = gpgsm_set_fd (gpgsm, MESSAGE_FD, 0);
+ gpgsm_clear_fd (gpgsm, OUTPUT_FD);
+ }
+
+ if (!err)
+ err = start (gpgsm, "VERIFY");
+
+ return err;
+}
+
+
+static void
+gpgsm_set_status_handler (void *engine, engine_status_handler_t fnc,
+ void *fnc_value)
+{
+ engine_gpgsm_t gpgsm = engine;
+
+ gpgsm->status.fnc = fnc;
+ gpgsm->status.fnc_value = fnc_value;
+}
+
+
+static gpgme_error_t
+gpgsm_set_colon_line_handler (void *engine, engine_colon_line_handler_t fnc,
+ void *fnc_value)
+{
+ engine_gpgsm_t gpgsm = engine;
+
+ gpgsm->colon.fnc = fnc;
+ gpgsm->colon.fnc_value = fnc_value;
+ gpgsm->colon.any = 0;
+ return 0;
+}
+
+
+static void
+gpgsm_set_io_cbs (void *engine, gpgme_io_cbs_t io_cbs)
+{
+ engine_gpgsm_t gpgsm = engine;
+ gpgsm->io_cbs = *io_cbs;
+}
+
+
+static void
+gpgsm_io_event (void *engine, gpgme_event_io_t type, void *type_data)
+{
+ engine_gpgsm_t gpgsm = engine;
+
+ if (gpgsm->io_cbs.event)
+ (*gpgsm->io_cbs.event) (gpgsm->io_cbs.event_priv, type, type_data);
+}
+
+
+struct engine_ops _gpgme_engine_ops_gpgsm =
+ {
+ /* Static functions. */
+ _gpgme_get_gpgsm_path,
+ gpgsm_get_version,
+ gpgsm_get_req_version,
+ gpgsm_new,
+
+ /* Member functions. */
+ gpgsm_release,
+#if USE_DESCRIPTOR_PASSING
+ gpgsm_reset,
+#else
+ NULL, /* reset */
+#endif
+ gpgsm_set_status_handler,
+ NULL, /* set_command_handler */
+ gpgsm_set_colon_line_handler,
+ gpgsm_set_locale,
+ gpgsm_decrypt,
+ gpgsm_delete,
+ NULL, /* edit */
+ gpgsm_encrypt,
+ NULL, /* encrypt_sign */
+ gpgsm_export,
+ gpgsm_export_ext,
+ gpgsm_genkey,
+ gpgsm_import,
+ gpgsm_keylist,
+ gpgsm_keylist_ext,
+ gpgsm_sign,
+ NULL, /* trustlist */
+ gpgsm_verify,
+ gpgsm_set_io_cbs,
+ gpgsm_io_event,
+ gpgsm_cancel
+ };
+
+#endif /*!HAVE_W32_SYSTEM*/
--
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