summaryrefslogtreecommitdiff
path: root/from/from.c
blob: bf5376e70548d07e317db56f278b22b6a6d7f263 (plain)
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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2002, 2003,
   2004 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  */

 /**
  *
  * Created as an example for using mailutils API
  * Sean 'Shaleh' Perry <shaleh@debian.org>, 1999
  * Alain Magloire alainm@gnu.org
  *
  **/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <mailutils/address.h>
#include <mailutils/argp.h>
#include <mailutils/debug.h>
#include <mailutils/errno.h>
#include <mailutils/header.h>
#include <mailutils/list.h>
#include <mailutils/mailbox.h>
#include <mailutils/message.h>
#include <mailutils/registrar.h>
#include <mailutils/stream.h>
#include <mailutils/nls.h>
#include <mailutils/tls.h>

const char *program_version = "from (" PACKAGE_STRING ")";
static char doc[] = N_("GNU from -- display from and subject");

static struct argp_option options[] = {
  {"debug",  'd', NULL,   0, N_("Enable debugging output"), 0},
  {0, 0, 0, 0}
};

static int debug;

static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
  switch (key)
    {
    case 'd':
      debug++;
      break;

    default: 
      return ARGP_ERR_UNKNOWN;
    }
  return 0;
}

static struct argp argp = {
  options,
  parse_opt,
  N_("[URL]"),
  doc,
};

static const char *capa[] = {
  "common",
  "license",
  "mailbox",
#ifdef WITH_TLS
  "tls",
#endif
  NULL
};

static void
from_rfc2047_decode (char *buf, size_t buflen)
{
  char *charset = NULL;
  char *tmp;
  int rc;

  /* Try to deduce the charset from LC_ALL or LANG variables */

  tmp = getenv ("LC_ALL");
  if (!tmp)
    tmp = getenv ("LANG");

  if (tmp)
    {
      char *sp;
      char *lang;
      char *terr;

      lang = strtok_r (tmp, "_", &sp);
      terr = strtok_r (NULL, ".", &sp);
      charset = strtok_r (NULL, "@", &sp);

      if (!charset)
	charset = mu_charset_lookup (lang, terr);
    }

  if (!charset)
    return;

  rc = rfc2047_decode (charset, buf, &tmp);
  if (rc)
    {
      if (debug)
	mu_error (_("Can't decode line `%s': %s"),
		  buf, mu_strerror (rc));
    }
  else
    {
      strncpy (buf, tmp, buflen - 1);
      free (tmp);
    }
}

int
main (int argc, char **argv)
{
  mailbox_t mbox;
  size_t i;
  size_t count = 0;
  char *mailbox_name = NULL;
  /* Arbitrary limits.  A better approach would be to allocate
     as we go along but it is not worth the trouble.  */
  char buf[128];
  char personal[128];
  int status;

  /* Native Language Support */
  mu_init_nls ();

  {
    int opt;
    mu_argp_init (program_version, NULL);
#ifdef WITH_TLS
    mu_tls_init_client_argp ();
#endif
    mu_argp_parse (&argp, &argc, &argv, 0, capa, &opt, NULL);
    mailbox_name = argv[opt];
  }

  /* Register the desire formats.  */
  mu_register_all_mbox_formats ();

  status = mailbox_create_default (&mbox, mailbox_name);
  if (status != 0)
    {
      mu_error (_("Couldn't create mailbox <%s>: %s."),
		mailbox_name ? mailbox_name : _("default"),
		mu_strerror (status));
      exit (1);
    }

  /* Debuging Trace.  */
  if (debug)
  {
    mu_debug_t debug;
    mailbox_get_debug (mbox, &debug);
    mu_debug_set_level (debug, MU_DEBUG_TRACE|MU_DEBUG_PROT);
  }

  status = mailbox_open (mbox, MU_STREAM_READ);
  if (status != 0)
    {
      mu_error (_("Couldn't open mailbox <%s>: %s."),
		mailbox_name, mu_strerror (status));
      exit (1);
    }

  mailbox_messages_count (mbox, &count);
  for (i = 1; i <= count; ++i)
    {
      message_t msg;
      header_t hdr;
      size_t len = 0;

      if ((status = mailbox_get_message (mbox, i, &msg)) != 0
	  || (status = message_get_header (msg, &hdr)) != 0)
	{
	  mu_error (_("msg %d : %s"), i, mu_strerror (status));
	  exit (2);
	}

      header_get_value (hdr, MU_HEADER_FROM, buf, sizeof (buf), &len);
      if (len != 0)
	{
	  address_t address = NULL;
	  len = 0;

	  from_rfc2047_decode (buf, sizeof (buf));
	  address_create (&address, buf);
	  address_get_personal (address, 1, personal,
				sizeof (personal), &len);
	  printf ("%s\t", (len != 0) ? personal : buf);
	  address_destroy (&address);
	}
      else
	{
	  status = header_get_value (hdr, MU_HEADER_TO, buf,
				     sizeof (buf), &len);
	  if (status == 0)
	    {
	      from_rfc2047_decode (buf, sizeof (buf));
	      printf ("%s\t", buf);
	    }
	}

      status = header_get_value_unfold (hdr, MU_HEADER_SUBJECT,
					buf, sizeof (buf), NULL);
      if (status == 0)
	{
	  from_rfc2047_decode (buf, sizeof (buf));
	  printf ("%s\n", buf);
	}
    }

  status = mailbox_close (mbox);
  if (status != 0)
    {
      mu_error (_("Couldn't close <%s>: %s."),
		mailbox_name, mu_strerror (status));
    }

  mailbox_destroy (&mbox);
  return 0;
}

Return to:

Send suggestions and report system problems to the System administrator.