flt2047.c
3.48 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
150
151
152
153
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010 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 3, 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, see <http://www.gnu.org/licenses/>. */
#if defined(HAVE_CONFIG_H)
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <mailutils/mailutils.h>
#include "argp.h"
#include "mu.h"
static char flt2047_doc[] = N_("mu 2047 - decode/encode message headers");
static char flt2047_args_doc[] = N_("[OPTIONS] [text]");
static struct argp_option flt2047_options[] = {
{ "encode", 'e', NULL, 0, N_("encode the input (default)") },
{ "decode", 'd', NULL, 0, N_("decode the input") },
{ "newline", 'n', NULL, 0, N_("print additional newline") },
{ "charset", 'c', NULL, 0, N_("set charset (default: iso-8859-1)") },
{ "encoding", 'E', NULL, 0, N_("set encoding (default: quoted-printable)") },
{ NULL }
};
static int decode_mode = 0;
static int newline_option = 0;
static const char *charset = "iso-8859-1";
static const char *encoding = "quoted-printable";
static error_t
flt2047_parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'c':
charset = arg;
break;
case 'e':
decode_mode = 0;
break;
case 'E':
encoding = arg;
break;
case 'd':
decode_mode = 1;
break;
case 'n':
newline_option = 0;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp flt2047_argp = {
flt2047_options,
flt2047_parse_opt,
flt2047_args_doc,
flt2047_doc,
NULL,
NULL,
NULL
};
int
mutool_flt2047 (int argc, char **argv)
{
int rc, index;
mu_stream_t in, out;
char *p;
if (argp_parse (&flt2047_argp, argc, argv, ARGP_IN_ORDER, &index, NULL))
return 1;
argc -= index;
argv += index;
rc = mu_stdio_stream_create (&in, MU_STDIN_FD, 0);
if (rc)
{
mu_error (_("cannot open input stream: %s"), mu_strerror (rc));
return 1;
}
rc = mu_stdio_stream_create (&out, MU_STDOUT_FD, 0);
if (rc)
{
mu_error (_("cannot open output stream: %s"), mu_strerror (rc));
return 1;
}
if (argc)
{
char *p;
while (argc--)
{
const char *text = *argv++;
if (decode_mode)
rc = mu_rfc2047_decode (charset, text, &p);
else
rc = mu_rfc2047_encode (charset, encoding, text, &p);
if (rc)
{
mu_error ("%s", mu_strerror (rc));
return 1;
}
mu_stream_printf (out, "%s\n", p);
}
}
else
{
size_t size = 0, n;
char *buf = NULL;
while ((rc = mu_stream_getline (in, &buf, &size, &n)) == 0 && n > 0)
{
mu_rtrim_class (buf, MU_CTYPE_SPACE);
if (decode_mode)
rc = mu_rfc2047_decode (charset, buf, &p);
else
rc = mu_rfc2047_encode (charset, encoding, buf, &p);
if (rc)
{
mu_error ("%s", mu_strerror (rc));
return 1;
}
mu_stream_printf (out, "%s\n", p);
}
}
mu_stream_flush (out);
return 0;
}