retr.c
2.16 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
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Mailutils 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "pop3d.h"
/* Prints out the specified message */
int
pop3d_retr (const char *arg)
{
size_t mesgno, n;
char *buf;
size_t buflen = BUFFERSIZE;
message_t msg = NULL;
attribute_t attr = NULL;
stream_t stream = NULL;
off_t off;
if ((strlen (arg) == 0) || (strchr (arg, ' ') != NULL))
return ERR_BAD_ARGS;
if (state != TRANSACTION)
return ERR_WRONG_STATE;
mesgno = strtoul (arg, NULL, 10);
if (mailbox_get_message (mbox, mesgno, &msg) != 0)
return ERR_NO_MESG;
message_get_attribute (msg, &attr);
if (pop3d_is_deleted (attr))
return ERR_MESG_DELE;
message_get_stream (msg, &stream);
pop3d_outf ("+OK\r\n");
off = n = 0;
buf = malloc (buflen * sizeof (*buf));
if (buf == NULL)
pop3d_abquit (ERR_NO_MEM);
while (stream_readline (stream, buf, buflen, off, &n) == 0
&& n > 0)
{
/* Nuke the trailing newline. */
if (buf[n - 1] == '\n')
buf[n - 1] = '\0';
else /* Make room for the line. */
{
buflen *= 2;
buf = realloc (buf, buflen * sizeof (*buf));
if (buf == NULL)
pop3d_abquit (ERR_NO_MEM);
continue;
}
if (buf[0] == '.')
pop3d_outf (".%s\r\n", buf);
else
pop3d_outf ("%s\r\n", buf);
off += n;
}
if (!attribute_is_read (attr))
attribute_set_read (attr);
pop3d_mark_retr (attr);
free (buf);
pop3d_outf (".\r\n");
return OK;
}