350ef9afef
* engine-gpgsm.c (start): Handle all errors, not only most of them. (xtoi_1, xtoi_2): Remove macro. (status_handler): Replace use of xtoi_2 with _gpgme_hextobyte.
1459 lines
33 KiB
C
1459 lines
33 KiB
C
/* engine-gpgsm.c - GpgSM engine.
|
||
Copyright (C) 2000 Werner Koch (dd9jn)
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||
Copyright (C) 2001, 2002, 2003 g10 Code GmbH
|
||
|
||
This file is part of GPGME.
|
||
|
||
GPGME is free software; you can redistribute it and/or modify it
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||
under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
GPGME is distributed in the hope that it will be useful, but
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||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GPGME; 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 <sys/types.h>
|
||
#include <assert.h>
|
||
#include <unistd.h>
|
||
#include <locale.h>
|
||
#include <fcntl.h> /* FIXME */
|
||
|
||
#include "gpgme.h"
|
||
#include "util.h"
|
||
#include "ops.h"
|
||
#include "wait.h"
|
||
#include "io.h"
|
||
#include "key.h"
|
||
#include "sema.h"
|
||
|
||
#include "assuan.h"
|
||
#include "status-table.h"
|
||
|
||
#include "engine-backend.h"
|
||
|
||
|
||
typedef struct
|
||
{
|
||
int fd; /* FD we talk about. */
|
||
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 gpgsm_object_s
|
||
{
|
||
ASSUAN_CONTEXT assuan_ctx;
|
||
|
||
iocb_data_t status_cb;
|
||
|
||
/* Input, output etc are from the servers perspective. */
|
||
iocb_data_t input_cb;
|
||
int input_fd_server;
|
||
|
||
iocb_data_t output_cb;
|
||
int output_fd_server;
|
||
|
||
iocb_data_t message_cb;
|
||
int message_fd_server;
|
||
|
||
struct
|
||
{
|
||
EngineStatusHandler fnc;
|
||
void *fnc_value;
|
||
} status;
|
||
|
||
struct
|
||
{
|
||
EngineColonLineHandler fnc;
|
||
void *fnc_value;
|
||
struct
|
||
{
|
||
unsigned char *line;
|
||
int linesize;
|
||
int linelen;
|
||
} attic;
|
||
int any; /* any data line seen */
|
||
} colon;
|
||
|
||
struct GpgmeIOCbs io_cbs;
|
||
};
|
||
|
||
typedef struct gpgsm_object_s *GpgsmObject;
|
||
|
||
|
||
static const char *
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||
gpgsm_get_version (void)
|
||
{
|
||
static const char *gpgsm_version;
|
||
DEFINE_STATIC_LOCK (gpgsm_version_lock);
|
||
|
||
LOCK (gpgsm_version_lock);
|
||
if (!gpgsm_version)
|
||
gpgsm_version = _gpgme_get_program_version (_gpgme_get_gpgsm_path ());
|
||
UNLOCK (gpgsm_version_lock);
|
||
|
||
return gpgsm_version;
|
||
}
|
||
|
||
|
||
static const char *
|
||
gpgsm_get_req_version (void)
|
||
{
|
||
return NEED_GPGSM_VERSION;
|
||
}
|
||
|
||
|
||
static void
|
||
close_notify_handler (int fd, void *opaque)
|
||
{
|
||
GpgsmObject 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;
|
||
}
|
||
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;
|
||
}
|
||
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;
|
||
}
|
||
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;
|
||
}
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
map_assuan_error (AssuanError err)
|
||
{
|
||
switch (err)
|
||
{
|
||
case ASSUAN_No_Error:
|
||
return GPGME_No_Error;
|
||
case ASSUAN_General_Error:
|
||
return GPGME_General_Error;
|
||
case ASSUAN_Out_Of_Core:
|
||
return GPGME_Out_Of_Core;
|
||
case ASSUAN_Invalid_Value:
|
||
return GPGME_Invalid_Value;
|
||
case ASSUAN_Read_Error:
|
||
return GPGME_Read_Error;
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||
case ASSUAN_Write_Error:
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||
return GPGME_Write_Error;
|
||
|
||
case ASSUAN_Timeout:
|
||
case ASSUAN_Problem_Starting_Server:
|
||
case ASSUAN_Not_A_Server:
|
||
case ASSUAN_Not_A_Client:
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||
case ASSUAN_Nested_Commands:
|
||
case ASSUAN_Invalid_Response:
|
||
case ASSUAN_No_Data_Callback:
|
||
case ASSUAN_No_Inquire_Callback:
|
||
case ASSUAN_Connect_Failed:
|
||
case ASSUAN_Accept_Failed:
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return GPGME_General_Error;
|
||
|
||
/* The following error codes are meant as status codes. */
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||
case ASSUAN_Not_Implemented:
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||
return GPGME_Not_Implemented;
|
||
case ASSUAN_Canceled:
|
||
return GPGME_Canceled;
|
||
case ASSUAN_Unsupported_Algorithm:
|
||
return GPGME_Not_Implemented; /* XXX Argh. */
|
||
|
||
case ASSUAN_No_Data_Available:
|
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return GPGME_EOF;
|
||
|
||
/* These are errors internal to GPGME. */
|
||
case ASSUAN_No_Input:
|
||
case ASSUAN_No_Output:
|
||
case ASSUAN_Invalid_Command:
|
||
case ASSUAN_Unknown_Command:
|
||
case ASSUAN_Syntax_Error:
|
||
case ASSUAN_Parameter_Error:
|
||
case ASSUAN_Parameter_Conflict:
|
||
case ASSUAN_Line_Too_Long:
|
||
case ASSUAN_Line_Not_Terminated:
|
||
case ASSUAN_Invalid_Data:
|
||
case ASSUAN_Unexpected_Command:
|
||
case ASSUAN_Too_Much_Data:
|
||
case ASSUAN_Inquire_Unknown:
|
||
case ASSUAN_Inquire_Error:
|
||
case ASSUAN_Invalid_Option:
|
||
case ASSUAN_Invalid_Index:
|
||
case ASSUAN_Unexpected_Status:
|
||
case ASSUAN_Unexpected_Data:
|
||
case ASSUAN_Invalid_Status:
|
||
case ASSUAN_Not_Confirmed:
|
||
return GPGME_General_Error;
|
||
|
||
/* These are errors in the server. */
|
||
case ASSUAN_Server_Fault:
|
||
case ASSUAN_Server_Resource_Problem:
|
||
case ASSUAN_Server_IO_Error:
|
||
case ASSUAN_Server_Bug:
|
||
case ASSUAN_No_Agent:
|
||
case ASSUAN_Agent_Error:
|
||
return GPGME_Invalid_Engine; /* XXX: Need something more useful. */
|
||
|
||
case ASSUAN_Bad_Certificate:
|
||
case ASSUAN_Bad_Certificate_Chain:
|
||
case ASSUAN_Missing_Certificate:
|
||
case ASSUAN_No_Public_Key:
|
||
case ASSUAN_No_Secret_Key:
|
||
case ASSUAN_Invalid_Name:
|
||
case ASSUAN_Card_Error: /* XXX: Oh well. */
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||
case ASSUAN_Invalid_Card: /* XXX: Oh well. */
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case ASSUAN_No_PKCS15_App: /* XXX: Oh well. */
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case ASSUAN_Card_Not_Present: /* XXX: Oh well. */
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||
case ASSUAN_Invalid_Id: /* XXX: Oh well. */
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return GPGME_Invalid_Key;
|
||
|
||
case ASSUAN_Bad_Signature:
|
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return GPGME_Invalid_Key; /* XXX: This is wrong. */
|
||
|
||
case ASSUAN_Cert_Revoked:
|
||
case ASSUAN_No_CRL_For_Cert:
|
||
case ASSUAN_CRL_Too_Old:
|
||
case ASSUAN_Not_Trusted:
|
||
return GPGME_Invalid_Key; /* XXX Some more details would be good. */
|
||
|
||
default:
|
||
return GPGME_General_Error;
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||
}
|
||
}
|
||
|
||
|
||
static void
|
||
gpgsm_release (void *engine)
|
||
{
|
||
GpgsmObject gpgsm = engine;
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||
|
||
if (!gpgsm)
|
||
return;
|
||
|
||
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);
|
||
|
||
assuan_disconnect (gpgsm->assuan_ctx);
|
||
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||
free (gpgsm->colon.attic.line);
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||
free (gpgsm);
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_new (void **engine)
|
||
{
|
||
GpgmeError err = 0;
|
||
GpgsmObject gpgsm;
|
||
char *argv[3];
|
||
int fds[2];
|
||
int child_fds[4];
|
||
char *dft_display = NULL;
|
||
char *dft_ttyname = NULL;
|
||
char *dft_ttytype = NULL;
|
||
char *old_lc = NULL;
|
||
char *dft_lc = NULL;
|
||
char *optstr;
|
||
int fdlist[5];
|
||
int nfds;
|
||
|
||
gpgsm = calloc (1, sizeof *gpgsm);
|
||
if (!gpgsm)
|
||
{
|
||
err = GPGME_Out_Of_Core;
|
||
return err;
|
||
}
|
||
|
||
gpgsm->status_cb.fd = -1;
|
||
gpgsm->status_cb.tag = 0;
|
||
|
||
gpgsm->input_cb.fd = -1;
|
||
gpgsm->input_cb.tag = 0;
|
||
gpgsm->input_fd_server = -1;
|
||
gpgsm->output_cb.fd = -1;
|
||
gpgsm->output_cb.tag = 0;
|
||
gpgsm->output_fd_server = -1;
|
||
gpgsm->message_cb.fd = -1;
|
||
gpgsm->message_cb.tag = 0;
|
||
gpgsm->message_fd_server = -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 (_gpgme_io_pipe (fds, 0) < 0)
|
||
{
|
||
err = GPGME_Pipe_Error;
|
||
goto leave;
|
||
}
|
||
gpgsm->input_cb.fd = fds[1];
|
||
gpgsm->input_cb.dir = 0;
|
||
gpgsm->input_fd_server = fds[0];
|
||
|
||
if (_gpgme_io_pipe (fds, 1) < 0)
|
||
{
|
||
err = GPGME_Pipe_Error;
|
||
goto leave;
|
||
}
|
||
gpgsm->output_cb.fd = fds[0];
|
||
gpgsm->output_cb.dir = 1;
|
||
gpgsm->output_fd_server = fds[1];
|
||
|
||
if (_gpgme_io_pipe (fds, 0) < 0)
|
||
{
|
||
err = GPGME_Pipe_Error;
|
||
goto leave;
|
||
}
|
||
gpgsm->message_cb.fd = fds[1];
|
||
gpgsm->message_cb.dir = 0;
|
||
gpgsm->message_fd_server = fds[0];
|
||
|
||
child_fds[0] = gpgsm->input_fd_server;
|
||
child_fds[1] = gpgsm->output_fd_server;
|
||
child_fds[2] = gpgsm->message_fd_server;
|
||
child_fds[3] = -1;
|
||
|
||
argv[0] = "gpgsm";
|
||
argv[1] = "--server";
|
||
argv[2] = NULL;
|
||
|
||
err = assuan_pipe_connect (&gpgsm->assuan_ctx,
|
||
_gpgme_get_gpgsm_path (), argv, child_fds);
|
||
|
||
/* 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)
|
||
{
|
||
err = GPGME_General_Error; /* FIXME */
|
||
goto leave;
|
||
}
|
||
/* 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)
|
||
{
|
||
err = GPGME_General_Error; /* FIXME */
|
||
goto leave;
|
||
}
|
||
gpgsm->status_cb.dir = 1;
|
||
gpgsm->status_cb.data = gpgsm;
|
||
|
||
dft_display = getenv ("DISPLAY");
|
||
if (dft_display)
|
||
{
|
||
if (asprintf (&optstr, "OPTION display=%s", dft_display) < 0)
|
||
{
|
||
err = GPGME_Out_Of_Core;
|
||
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;
|
||
}
|
||
}
|
||
dft_ttyname = ttyname (1);
|
||
if (dft_ttyname)
|
||
{
|
||
if (asprintf (&optstr, "OPTION ttyname=%s", dft_ttyname) < 0)
|
||
{
|
||
err = GPGME_Out_Of_Core;
|
||
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;
|
||
}
|
||
|
||
dft_ttytype = getenv ("TERM");
|
||
if (dft_ttytype)
|
||
{
|
||
if (asprintf (&optstr, "OPTION ttytype=%s", dft_ttytype) < 0)
|
||
{
|
||
err = GPGME_Out_Of_Core;
|
||
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;
|
||
}
|
||
}
|
||
|
||
old_lc = setlocale (LC_CTYPE, NULL);
|
||
if (old_lc)
|
||
{
|
||
old_lc = strdup (old_lc);
|
||
if (!old_lc)
|
||
{
|
||
err = GPGME_Out_Of_Core;
|
||
goto leave;
|
||
}
|
||
}
|
||
dft_lc = setlocale (LC_CTYPE, "");
|
||
if (dft_lc)
|
||
{
|
||
if (asprintf (&optstr, "OPTION lc-ctype=%s", dft_lc) < 0)
|
||
err = GPGME_Out_Of_Core;
|
||
else
|
||
{
|
||
err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL,
|
||
NULL, NULL, NULL, NULL);
|
||
free (optstr);
|
||
if (err)
|
||
err = map_assuan_error (err);
|
||
}
|
||
}
|
||
if (old_lc)
|
||
{
|
||
setlocale (LC_CTYPE, old_lc);
|
||
free (old_lc);
|
||
}
|
||
if (err)
|
||
goto leave;
|
||
|
||
|
||
old_lc = setlocale (LC_MESSAGES, NULL);
|
||
if (old_lc)
|
||
{
|
||
old_lc = strdup (old_lc);
|
||
if (!old_lc)
|
||
{
|
||
err = GPGME_Out_Of_Core;
|
||
goto leave;
|
||
}
|
||
}
|
||
dft_lc = setlocale (LC_MESSAGES, "");
|
||
if (dft_lc)
|
||
{
|
||
if (asprintf (&optstr, "OPTION lc-messages=%s", dft_lc) < 0)
|
||
err = GPGME_Out_Of_Core;
|
||
else
|
||
{
|
||
err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL, NULL, NULL, NULL,
|
||
NULL);
|
||
free (optstr);
|
||
if (err)
|
||
err = map_assuan_error (err);
|
||
}
|
||
}
|
||
if (old_lc)
|
||
{
|
||
setlocale (LC_MESSAGES, old_lc);
|
||
free (old_lc);
|
||
}
|
||
if (err)
|
||
goto leave;
|
||
}
|
||
|
||
if (!err &&
|
||
(_gpgme_io_set_close_notify (gpgsm->status_cb.fd,
|
||
close_notify_handler, gpgsm)
|
||
|| _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 = GPGME_General_Error;
|
||
goto leave;
|
||
}
|
||
|
||
leave:
|
||
/* Close the server ends of the pipes. Our ends are closed in
|
||
gpgsm_release(). */
|
||
if (gpgsm->input_fd_server != -1)
|
||
_gpgme_io_close (gpgsm->input_fd_server);
|
||
if (gpgsm->output_fd_server != -1)
|
||
_gpgme_io_close (gpgsm->output_fd_server);
|
||
if (gpgsm->message_fd_server != -1)
|
||
_gpgme_io_close (gpgsm->message_fd_server);
|
||
|
||
if (err)
|
||
gpgsm_release (gpgsm);
|
||
else
|
||
*engine = gpgsm;
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
/* Forward declaration. */
|
||
static GpgmeStatusCode parse_status (const char *name);
|
||
|
||
static GpgmeError
|
||
gpgsm_assuan_simple_command (ASSUAN_CONTEXT ctx, char *cmd, EngineStatusHandler status_fnc,
|
||
void *status_fnc_value)
|
||
{
|
||
AssuanError 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;
|
||
GpgmeStatusCode 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)
|
||
status_fnc (status_fnc_value, r, rest);
|
||
else
|
||
err = GPGME_General_Error;
|
||
}
|
||
else
|
||
err = GPGME_General_Error;
|
||
}
|
||
while (!err);
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
#define COMMANDLINELEN 40
|
||
static GpgmeError
|
||
gpgsm_set_fd (ASSUAN_CONTEXT ctx, const char *which, int fd, const char *opt)
|
||
{
|
||
char line[COMMANDLINELEN];
|
||
|
||
if (opt)
|
||
snprintf (line, COMMANDLINELEN, "%s FD=%i %s", which, fd, opt);
|
||
else
|
||
snprintf (line, COMMANDLINELEN, "%s FD=%i", which, fd);
|
||
|
||
return gpgsm_assuan_simple_command (ctx, line, NULL, NULL);
|
||
}
|
||
|
||
|
||
static const char *
|
||
map_input_enc (GpgmeData 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 GpgmeStatusCode
|
||
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 GpgmeError
|
||
status_handler (void *opaque, int fd)
|
||
{
|
||
AssuanError assuan_err;
|
||
GpgmeError err = 0;
|
||
GpgsmObject 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);
|
||
}
|
||
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 = GPGME_General_Error;
|
||
}
|
||
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);
|
||
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. */
|
||
unsigned char *src = line + 2;
|
||
unsigned char *end = line + linelen;
|
||
unsigned char *dst;
|
||
unsigned char **aline = &gpgsm->colon.attic.line;
|
||
int *alinelen = &gpgsm->colon.attic.linelen;
|
||
|
||
if (gpgsm->colon.attic.linesize
|
||
< *alinelen + linelen + 1)
|
||
{
|
||
unsigned char *newline = realloc (*aline,
|
||
*alinelen + linelen + 1);
|
||
if (!newline)
|
||
err = GPGME_Out_Of_Core;
|
||
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 = (unsigned char) _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++;
|
||
}
|
||
}
|
||
}
|
||
else if (linelen > 2
|
||
&& line[0] == 'S' && line[1] == ' ')
|
||
{
|
||
char *rest;
|
||
GpgmeStatusCode 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);
|
||
}
|
||
}
|
||
while (!err && assuan_pending_line (gpgsm->assuan_ctx));
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
add_io_cb (GpgsmObject gpgsm, iocb_data_t *iocbd, GpgmeIOCb handler)
|
||
{
|
||
GpgmeError 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 GpgmeError
|
||
start (GpgsmObject gpgsm, const char *command)
|
||
{
|
||
GpgmeError err;
|
||
|
||
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 = assuan_write_line (gpgsm->assuan_ctx, command);
|
||
|
||
if (!err)
|
||
(*gpgsm->io_cbs.event) (gpgsm->io_cbs.event_priv, GPGME_EVENT_START, NULL);
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_decrypt (void *engine, GpgmeData ciph, GpgmeData plain)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
|
||
if (!gpgsm)
|
||
return GPGME_Invalid_Value;
|
||
|
||
gpgsm->input_cb.data = ciph;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "INPUT", gpgsm->input_fd_server,
|
||
map_input_enc (gpgsm->input_cb.data));
|
||
if (err)
|
||
return GPGME_General_Error; /* FIXME */
|
||
gpgsm->output_cb.data = plain;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "OUTPUT", gpgsm->output_fd_server, 0);
|
||
if (err)
|
||
return GPGME_General_Error; /* FIXME */
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (engine, "DECRYPT");
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_delete (void *engine, GpgmeKey key, int allow_secret)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
char *fpr = (char *) gpgme_key_get_string_attr (key, GPGME_ATTR_FPR, NULL, 0);
|
||
char *linep = fpr;
|
||
char *line;
|
||
int length = 8; /* "DELKEYS " */
|
||
|
||
if (!fpr)
|
||
return GPGME_Invalid_Key;
|
||
|
||
while (*linep)
|
||
{
|
||
length++;
|
||
if (*linep == '%' || *linep == ' ' || *linep == '+')
|
||
length += 2;
|
||
linep++;
|
||
}
|
||
length++;
|
||
|
||
line = malloc (length);
|
||
if (!line)
|
||
return GPGME_Out_Of_Core;
|
||
|
||
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';
|
||
|
||
_gpgme_io_close (gpgsm->output_cb.fd);
|
||
_gpgme_io_close (gpgsm->input_cb.fd);
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, line);
|
||
free (line);
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
set_recipients (GpgsmObject gpgsm, GpgmeRecipients recp)
|
||
{
|
||
GpgmeError err;
|
||
ASSUAN_CONTEXT ctx = gpgsm->assuan_ctx;
|
||
char *line;
|
||
int linelen;
|
||
struct user_id_s *r;
|
||
int valid_recipients = 0;
|
||
|
||
linelen = 10 + 40 + 1; /* "RECIPIENT " + guess + '\0'. */
|
||
line = malloc (10 + 40 + 1);
|
||
if (!line)
|
||
return GPGME_Out_Of_Core;
|
||
strcpy (line, "RECIPIENT ");
|
||
for (r = recp->list; r; r = r->next)
|
||
{
|
||
int newlen = 11 + strlen (r->name);
|
||
if (linelen < newlen)
|
||
{
|
||
char *newline = realloc (line, newlen);
|
||
if (! newline)
|
||
{
|
||
free (line);
|
||
return GPGME_Out_Of_Core;
|
||
}
|
||
line = newline;
|
||
linelen = newlen;
|
||
}
|
||
strcpy (&line[10], r->name);
|
||
|
||
err = gpgsm_assuan_simple_command (ctx, line, gpgsm->status.fnc,
|
||
gpgsm->status.fnc_value);
|
||
if (!err)
|
||
valid_recipients = 1;
|
||
else if (err != GPGME_Invalid_Key)
|
||
{
|
||
free (line);
|
||
return err;
|
||
}
|
||
}
|
||
free (line);
|
||
if (!valid_recipients && gpgsm->status.fnc)
|
||
gpgsm->status.fnc (gpgsm->status.fnc_value, GPGME_STATUS_NO_RECP, "");
|
||
return 0;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_encrypt (void *engine, GpgmeRecipients recp, GpgmeData plain,
|
||
GpgmeData ciph, int use_armor)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
|
||
if (!gpgsm)
|
||
return GPGME_Invalid_Value;
|
||
if (!recp)
|
||
return GPGME_Not_Implemented;
|
||
|
||
gpgsm->input_cb.data = plain;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "INPUT", gpgsm->input_fd_server,
|
||
map_input_enc (gpgsm->input_cb.data));
|
||
if (err)
|
||
return err;
|
||
gpgsm->output_cb.data = ciph;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "OUTPUT", gpgsm->output_fd_server,
|
||
use_armor ? "--armor" : 0);
|
||
if (err)
|
||
return err;
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = set_recipients (gpgsm, recp);
|
||
|
||
if (!err)
|
||
err = start (gpgsm, "ENCRYPT");
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_export (void *engine, GpgmeRecipients recp, GpgmeData keydata,
|
||
int use_armor)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err = 0;
|
||
char *cmd = NULL;
|
||
int cmdi;
|
||
int cmdlen = 32;
|
||
|
||
if (!gpgsm)
|
||
return GPGME_Invalid_Value;
|
||
|
||
cmd = malloc (cmdlen);
|
||
if (!cmd)
|
||
return GPGME_Out_Of_Core;
|
||
strcpy (cmd, "EXPORT");
|
||
cmdi = 6;
|
||
|
||
if (recp)
|
||
{
|
||
void *ec;
|
||
const char *s;
|
||
|
||
err = gpgme_recipients_enum_open (recp, &ec);
|
||
while (!err && (s = gpgme_recipients_enum_read (recp, &ec)))
|
||
{
|
||
int slen = strlen (s);
|
||
/* New string is old string + ' ' + s + '\0'. */
|
||
if (cmdlen < cmdi + 1 + slen + 1)
|
||
{
|
||
char *newcmd = realloc (cmd, cmdlen * 2);
|
||
if (!newcmd)
|
||
{
|
||
free (cmd);
|
||
return GPGME_Out_Of_Core;
|
||
}
|
||
cmd = newcmd;
|
||
cmdlen *= 2;
|
||
}
|
||
cmd[cmdi++] = ' ';
|
||
strcpy (cmd + cmdi, s);
|
||
cmdi += slen;
|
||
}
|
||
if (!err)
|
||
err = gpgme_recipients_enum_close (recp, &ec);
|
||
if (err)
|
||
return err;
|
||
}
|
||
|
||
gpgsm->output_cb.data = keydata;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "OUTPUT", gpgsm->output_fd_server,
|
||
use_armor ? "--armor" : 0);
|
||
if (err)
|
||
return err;
|
||
_gpgme_io_close (gpgsm->input_cb.fd);
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, cmd);
|
||
free (cmd);
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_genkey (void *engine, GpgmeData help_data, int use_armor,
|
||
GpgmeData pubkey, GpgmeData seckey)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
|
||
if (!gpgsm || !pubkey || seckey)
|
||
return GPGME_Invalid_Value;
|
||
|
||
gpgsm->input_cb.data = help_data;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "INPUT", gpgsm->input_fd_server,
|
||
map_input_enc (gpgsm->input_cb.data));
|
||
if (err)
|
||
return err;
|
||
gpgsm->output_cb.data = pubkey;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "OUTPUT", gpgsm->output_fd_server,
|
||
use_armor ? "--armor" : 0);
|
||
if (err)
|
||
return err;
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, "GENKEY");
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_import (void *engine, GpgmeData keydata)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
|
||
if (!gpgsm)
|
||
return GPGME_Invalid_Value;
|
||
|
||
gpgsm->input_cb.data = keydata;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "INPUT", gpgsm->input_fd_server,
|
||
map_input_enc (gpgsm->input_cb.data));
|
||
if (err)
|
||
return err;
|
||
_gpgme_io_close (gpgsm->output_cb.fd);
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, "IMPORT");
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_keylist (void *engine, const char *pattern, int secret_only,
|
||
int keylist_mode)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
char *line;
|
||
GpgmeError err;
|
||
|
||
if (!pattern)
|
||
pattern = "";
|
||
|
||
if (asprintf (&line, "OPTION list-mode=%d", (keylist_mode & 3)) < 0)
|
||
return GPGME_Out_Of_Core;
|
||
err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, line, NULL, NULL);
|
||
free (line);
|
||
if (err)
|
||
return err;
|
||
|
||
/* Length is "LISTSECRETKEYS " + p + '\0'. */
|
||
line = malloc (15 + strlen (pattern) + 1);
|
||
if (!line)
|
||
return GPGME_Out_Of_Core;
|
||
if (secret_only)
|
||
{
|
||
strcpy (line, "LISTSECRETKEYS ");
|
||
strcpy (&line[15], pattern);
|
||
}
|
||
else
|
||
{
|
||
strcpy (line, "LISTKEYS ");
|
||
strcpy (&line[9], pattern);
|
||
}
|
||
|
||
_gpgme_io_close (gpgsm->input_cb.fd);
|
||
_gpgme_io_close (gpgsm->output_cb.fd);
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, line);
|
||
free (line);
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_keylist_ext (void *engine, const char *pattern[], int secret_only,
|
||
int reserved, int keylist_mode)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
char *line;
|
||
GpgmeError err;
|
||
/* Length is "LISTSECRETKEYS " + p + '\0'. */
|
||
int length = 15 + 1;
|
||
char *linep;
|
||
|
||
if (reserved)
|
||
return GPGME_Invalid_Value;
|
||
|
||
if (asprintf (&line, "OPTION list-mode=%d", (keylist_mode & 3)) < 0)
|
||
return GPGME_Out_Of_Core;
|
||
err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, line, NULL, NULL);
|
||
free (line);
|
||
if (err)
|
||
return err;
|
||
|
||
if (pattern && *pattern)
|
||
{
|
||
const char **pat = pattern;
|
||
|
||
while (*pat)
|
||
{
|
||
const char *patlet = *pat;
|
||
|
||
while (*patlet)
|
||
{
|
||
length++;
|
||
if (*patlet == '%' || *patlet == ' ' || *patlet == '+')
|
||
length += 2;
|
||
patlet++;
|
||
}
|
||
pat++;
|
||
/* This will allocate one byte more than necessary. */
|
||
length++;
|
||
}
|
||
}
|
||
line = malloc (length);
|
||
if (!line)
|
||
return GPGME_Out_Of_Core;
|
||
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++;
|
||
}
|
||
pattern++;
|
||
}
|
||
}
|
||
*linep = '\0';
|
||
|
||
_gpgme_io_close (gpgsm->input_cb.fd);
|
||
_gpgme_io_close (gpgsm->output_cb.fd);
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, line);
|
||
free (line);
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_sign (void *engine, GpgmeData in, GpgmeData out, GpgmeSigMode mode,
|
||
int use_armor, int use_textmode, int include_certs,
|
||
GpgmeCtx ctx /* FIXME */)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
char *assuan_cmd;
|
||
int i;
|
||
GpgmeKey key;
|
||
|
||
if (!gpgsm)
|
||
return GPGME_Invalid_Value;
|
||
|
||
if (asprintf (&assuan_cmd, "OPTION include-certs %i", include_certs) < 0)
|
||
return GPGME_Out_Of_Core;
|
||
err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, assuan_cmd, NULL,NULL);
|
||
free (assuan_cmd);
|
||
if (err)
|
||
return err;
|
||
|
||
/* We must do a reset becuase we need to reset the list of signers. Note
|
||
that RESET does not reset OPTION commands. */
|
||
err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, "RESET", NULL, NULL);
|
||
if (err)
|
||
return err;
|
||
|
||
for (i = 0; (key = gpgme_signers_enum (ctx, i)); i++)
|
||
{
|
||
const char *s = gpgme_key_get_string_attr (key, GPGME_ATTR_FPR,
|
||
NULL, 0);
|
||
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 = GPGME_Invalid_Key;
|
||
gpgme_key_unref (key);
|
||
if (err)
|
||
return err;
|
||
}
|
||
|
||
gpgsm->input_cb.data = in;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "INPUT", gpgsm->input_fd_server,
|
||
map_input_enc (gpgsm->input_cb.data));
|
||
if (err)
|
||
return err;
|
||
gpgsm->output_cb.data = out;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "OUTPUT", gpgsm->output_fd_server,
|
||
use_armor ? "--armor" : 0);
|
||
if (err)
|
||
return err;
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
|
||
err = start (gpgsm, mode == GPGME_SIG_MODE_DETACH
|
||
? "SIGN --detached" : "SIGN");
|
||
return err;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_trustlist (void *engine, const char *pattern)
|
||
{
|
||
/* FIXME */
|
||
return GPGME_Not_Implemented;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_verify (void *engine, GpgmeData sig, GpgmeData signed_text,
|
||
GpgmeData plaintext)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
GpgmeError err;
|
||
|
||
if (!gpgsm)
|
||
return GPGME_Invalid_Value;
|
||
|
||
gpgsm->input_cb.data = sig;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "INPUT", gpgsm->input_fd_server,
|
||
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->assuan_ctx, "OUTPUT", gpgsm->output_fd_server,
|
||
0);
|
||
_gpgme_io_close (gpgsm->message_cb.fd);
|
||
}
|
||
else
|
||
{
|
||
/* Detached signature. */
|
||
gpgsm->message_cb.data = signed_text;
|
||
err = gpgsm_set_fd (gpgsm->assuan_ctx, "MESSAGE",
|
||
gpgsm->message_fd_server, 0);
|
||
_gpgme_io_close (gpgsm->output_cb.fd);
|
||
}
|
||
|
||
if (!err)
|
||
err = start (gpgsm, "VERIFY");
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
static void
|
||
gpgsm_set_status_handler (void *engine, EngineStatusHandler fnc,
|
||
void *fnc_value)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
|
||
gpgsm->status.fnc = fnc;
|
||
gpgsm->status.fnc_value = fnc_value;
|
||
}
|
||
|
||
|
||
static GpgmeError
|
||
gpgsm_set_colon_line_handler (void *engine, EngineColonLineHandler fnc,
|
||
void *fnc_value)
|
||
{
|
||
GpgsmObject 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, struct GpgmeIOCbs *io_cbs)
|
||
{
|
||
GpgsmObject gpgsm = engine;
|
||
gpgsm->io_cbs = *io_cbs;
|
||
}
|
||
|
||
|
||
static void
|
||
gpgsm_io_event (void *engine, GpgmeEventIO type, void *type_data)
|
||
{
|
||
GpgsmObject 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,
|
||
gpgsm_set_status_handler,
|
||
NULL, /* set_command_handler */
|
||
gpgsm_set_colon_line_handler,
|
||
NULL, /* set_verbosity */
|
||
gpgsm_decrypt,
|
||
gpgsm_delete,
|
||
NULL, /* edit */
|
||
gpgsm_encrypt,
|
||
NULL,
|
||
gpgsm_export,
|
||
gpgsm_genkey,
|
||
gpgsm_import,
|
||
gpgsm_keylist,
|
||
gpgsm_keylist_ext,
|
||
gpgsm_sign,
|
||
gpgsm_trustlist,
|
||
gpgsm_verify,
|
||
gpgsm_set_io_cbs,
|
||
gpgsm_io_event
|
||
};
|