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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 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 "imap4d.h"
struct scan_data
{
int result;
char *name;
FILE *tmp;
};
static int
scan_mailbox_list (char *filename,
int (*handler) (struct scan_data *data, char *name),
struct scan_data *data)
{
FILE *fp;
char buffer[124];
fp = fopen (filename, "r");
if (!fp)
return -1;
while (fgets (buffer, sizeof (buffer), fp))
{
size_t n = strlen (buffer);
if (n && buffer[n - 1] == '\n')
buffer[n - 1] = '\0';
if (handler (data, buffer))
break;
}
fclose (fp);
return 0;
}
static int
scan_only (struct scan_data *data, char *name)
{
if (strcmp (data->name, name) == 0)
{
data->result = 1;
return 1;
}
return 0;
}
static int
unsubscribe (struct scan_data *data, char *name)
{
if (strcmp (data->name, name))
{
fputs (name, data->tmp);
fputs ("\n", data->tmp);
}
return 0;
}
int
imap4d_unsubscribe (struct imap4d_command *command, char *arg)
{
char *sp = NULL;
char *name;
char *file;
struct scan_data sd;
int rc;
name = util_getword (arg, &sp);
util_unquote (&name);
if (!name || *name == '\0')
return util_finish (command, RESP_BAD, "Too few arguments");
asprintf (&file, "%s/.mailboxlist", homedir);
sd.result = 0;
sd.name = name;
rc = scan_mailbox_list (file, scan_only, &sd);
if (rc == 0)
{
if (sd.result)
{
char *tmpname = NULL;
asprintf (&tmpname, "%s.%d", file, getpid ());
sd.tmp = fopen (tmpname, "a");
if (!sd.tmp)
rc = -1;
else
{
rc = scan_mailbox_list (file, unsubscribe, &sd);
fclose (sd.tmp);
if (rc == 0)
rename (tmpname, file);
}
free (tmpname);
}
}
free (file);
if (rc)
return util_finish (command, RESP_NO, "Can not unsubscribe");
return util_finish (command, RESP_OK, "Completed");
}
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