select.c
3.75 KB
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
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010, 2011 Free Software Foundation, Inc.
This library 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 3 of the License, or (at your option) any later version.
This library 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 library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <mailutils/errno.h>
#include <mailutils/assoc.h>
#include <mailutils/stream.h>
#include <mailutils/imap.h>
#include <mailutils/sys/imap.h>
static int
_collect_flags (void *item, void *data)
{
struct imap_list_element *elt = item;
int *args = data;
if (elt->type == imap_eltype_string)
mu_imap_flag_to_attribute (elt->v.string, args);
return 0;
}
int
_mu_imap_collect_flags (struct imap_list_element *arg, int *res)
{
if (arg->type != imap_eltype_list)
return EINVAL;
mu_list_foreach (arg->v.list, _collect_flags, res);
return 0;
}
static void
_select_response_action (mu_imap_t imap, mu_list_t response, void *data)
{
struct imap_list_element *elt;
elt = _mu_imap_list_at (response, 0);
if (elt && _mu_imap_list_element_is_string (elt, "FLAGS"))
{
struct imap_list_element *arg = _mu_imap_list_at (response, 1);
if (arg &&
_mu_imap_collect_flags (arg, &imap->mbox_stat.defined_flags) == 0)
imap->mbox_stat.flags |= MU_IMAP_STAT_DEFINED_FLAGS;
}
}
int
mu_imap_select (mu_imap_t imap, const char *mbox, int writable,
struct mu_imap_stat *ps)
{
int status;
if (imap == NULL)
return EINVAL;
if (!imap->io)
return MU_ERR_NO_TRANSPORT;
if (imap->state != MU_IMAP_CONNECTED)
return MU_ERR_SEQ;
if (imap->imap_state != MU_IMAP_STATE_AUTH &&
imap->imap_state != MU_IMAP_STATE_SELECTED)
return MU_ERR_SEQ;
if (!mbox)
{
if (imap->imap_state == MU_IMAP_STATE_SELECTED)
{
if (ps)
*ps = imap->mbox_stat;
return 0;
}
return MU_ERR_INFO_UNAVAILABLE;
}
if (imap->mbox_name && strcmp (imap->mbox_name, mbox) == 0
&& writable == imap->mbox_writable)
{
if (ps)
*ps = imap->mbox_stat;
return 0;
}
switch (imap->state)
{
case MU_IMAP_CONNECTED:
status = _mu_imap_tag_next (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
status = mu_imapio_printf (imap->io, "%s %s %s\r\n",
imap->tag_str,
writable ? "SELECT" : "EXAMINE",
mbox);
MU_IMAP_CHECK_ERROR (imap, status);
MU_IMAP_FCLR (imap, MU_IMAP_RESP);
imap->state = MU_IMAP_SELECT_RX;
case MU_IMAP_SELECT_RX:
status = _mu_imap_response (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
switch (imap->resp_code)
{
case MU_IMAP_OK:
imap->imap_state = MU_IMAP_STATE_SELECTED;
free (imap->mbox_name);
imap->mbox_name = strdup (mbox);
if (!imap->mbox_name)
{
imap->state = MU_IMAP_ERROR;
return errno;
}
imap->mbox_writable = writable;
memset (&imap->mbox_stat, 0, sizeof (imap->mbox_stat));
mu_imap_foreach_response (imap, _select_response_action, NULL);
if (ps)
*ps = imap->mbox_stat;
break;
case MU_IMAP_NO:
status = EACCES;
break;
case MU_IMAP_BAD:
status = MU_ERR_BADREPLY;
break;
}
imap->state = MU_IMAP_CONNECTED;
break;
default:
status = EINPROGRESS;
}
return status;
}