1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* edit.c - Key edit function.
Copyright (C) 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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include "gpgme.h"
#include "context.h"
#include "ops.h"
typedef struct
{
/* The user callback function and its hook value. */
gpgme_edit_cb_t fnc;
void *fnc_value;
} *op_data_t;
static gpgme_error_t
edit_status_handler (void *priv, gpgme_status_code_t status, 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, status, args);
if (err)
return err;
err = _gpgme_progress_status_handler (priv, status, args);
if (err)
return err;
err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, &hook, -1, NULL);
opd = hook;
if (err)
return err;
return (*opd->fnc) (opd->fnc_value, status, args, -1);
}
static gpgme_error_t
command_handler (void *priv, gpgme_status_code_t status, const char *args,
int fd, int *processed_r)
{
gpgme_ctx_t ctx = (gpgme_ctx_t) priv;
gpgme_error_t err;
int processed = 0;
if (ctx->passphrase_cb)
{
err = _gpgme_passphrase_command_handler (ctx, status, args,
fd, &processed);
if (err)
return err;
}
if (!processed)
{
void *hook;
op_data_t opd;
err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, &hook, -1, NULL);
opd = hook;
if (err)
return err;
/* FIXME: We expect the user to handle _all_ status codes.
Later, we may fix the callback interface to allow the user
indicate if it processed the status code or not. */
*processed_r = 1;
return (*opd->fnc) (opd->fnc_value, status, args, fd);
}
*processed_r = processed;
return 0;
}
static gpgme_error_t
edit_start (gpgme_ctx_t ctx, int synchronous, int type, gpgme_key_t key,
gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out)
{
gpgme_error_t err;
void *hook;
op_data_t opd;
err = _gpgme_op_reset (ctx, synchronous);
if (err)
return err;
if (!fnc || !out)
return gpg_error (GPG_ERR_INV_VALUE);
err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, &hook, sizeof (*opd), NULL);
opd = hook;
if (err)
return err;
opd->fnc = fnc;
opd->fnc_value = fnc_value;
err = _gpgme_engine_set_command_handler (ctx->engine, command_handler,
ctx, out);
if (err)
return err;
_gpgme_engine_set_status_handler (ctx->engine, edit_status_handler, ctx);
return _gpgme_engine_op_edit (ctx->engine, type, key, out, ctx);
}
gpgme_error_t
gpgme_op_edit_start (gpgme_ctx_t ctx, gpgme_key_t key,
gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out)
{
return edit_start (ctx, 0, 0, key, fnc, fnc_value, out);
}
/* Edit the key KEY. Send status and command requests to FNC and
output of edit commands to OUT. */
gpgme_error_t
gpgme_op_edit (gpgme_ctx_t ctx, gpgme_key_t key,
gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out)
{
gpgme_error_t err = edit_start (ctx, 1, 0, key, fnc, fnc_value, out);
if (!err)
err = _gpgme_wait_one (ctx);
return err;
}
gpgme_error_t
gpgme_op_card_edit_start (gpgme_ctx_t ctx, gpgme_key_t key,
gpgme_edit_cb_t fnc, void *fnc_value,
gpgme_data_t out)
{
return edit_start (ctx, 0, 1, key, fnc, fnc_value, out);
}
/* Edit the card for the key KEY. Send status and command requests to
FNC and output of edit commands to OUT. */
gpgme_error_t
gpgme_op_card_edit (gpgme_ctx_t ctx, gpgme_key_t key,
gpgme_edit_cb_t fnc, void *fnc_value, gpgme_data_t out)
{
gpgme_error_t err = edit_start (ctx, 1, 1, key, fnc, fnc_value, out);
if (!err)
err = _gpgme_wait_one (ctx);
return err;
}
|
