select.c
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2001 Free Software Foundation, Inc.
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "imap4d.h"
static int select_flags;
/* select ::= "SELECT" SPACE mailbox */
int
imap4d_select (struct imap4d_command *command, char *arg)
{
if (! (command->states & state))
return util_finish (command, RESP_BAD, "Wrong state");
return imap4d_select0 (command, arg, MU_STREAM_RDWR);
}
/* This code is share with EXAMINE. */
int
imap4d_select0 (struct imap4d_command *command, char *arg, int flags)
{
char *mailbox_name, *sp = NULL;
int status;
struct passwd *pw;
/* FIXME: Check state. */
mailbox_name = util_getword (arg, &sp);
util_unquote (&mailbox_name);
if (mailbox_name == NULL || *mailbox_name == '\0')
return util_finish (command, RESP_BAD, "Too few arguments");
/* Even if a mailbox is selected, a SELECT EXAMINE or LOGOUT
command MAY be issued without previously issuing a CLOSE command.
The SELECT, EXAMINE, and LOGUT commands implictly close the
currently selected mailbox without doing an expunge. */
if (mbox)
{
mailbox_save_attributes (mbox);
mailbox_close (mbox);
mailbox_destroy (&mbox);
/* Destroy the old uid table. */
imap4d_sync ();
}
if (strcasecmp (mailbox_name, "INBOX") == 0 && !mu_virtual_domain)
{
pw = getpwuid (getuid ());
if (pw)
{
mailbox_name = malloc (strlen (maildir) + strlen (pw->pw_name) + 1);
if (!mailbox_name)
{
syslog (LOG_ERR, "Not enough memory");
return util_finish (command, RESP_NO, "Not enough memory");
}
sprintf (mailbox_name, "%s%s", maildir, pw->pw_name);
}
else
mailbox_name = strdup ("/dev/null");
}
else
mailbox_name = namespace_getfullpath (mailbox_name, "/");
if (!mailbox_name)
return util_finish (command, RESP_NO, "Couldn't open mailbox");
if (mailbox_create (&mbox, mailbox_name) == 0
&& mailbox_open (mbox, flags) == 0)
{
free (mailbox_name);
select_flags = flags;
state = STATE_SEL;
imap4d_select_status();
/* Need to set the state explicitely for select. */
return util_send ("%s OK [%s] %s Completed\r\n", command->tag,
(MU_STREAM_READ == flags) ?
"READ-ONLY" : "READ-WRITE", command->name);
}
status = util_finish (command, RESP_NO, "Couldn't open %s", mailbox_name);
free (mailbox_name);
return status;
}
/* The code is shared between select and noop */
void
imap4d_select_status()
{
const char *mflags = "\\Answered \\Flagged \\Deleted \\Seen \\Draft";
const char *pflags = "\\Answered \\Deleted \\Seen";
unsigned long uidvalidity = 0;
size_t count = 0, recent = 0, unseen = 0, uidnext = 0;
if (state != STATE_SEL)
return;
mailbox_uidvalidity (mbox, &uidvalidity);
mailbox_uidnext (mbox, &uidnext);
mailbox_messages_count (mbox, &count);
mailbox_messages_recent (mbox, &recent);
mailbox_message_unseen (mbox, &unseen);
util_out (RESP_NONE, "%d EXISTS", count);
util_out (RESP_NONE, "%d RECENT", recent);
util_out (RESP_OK, "[UIDVALIDITY %d] UID valididy status",
uidvalidity);
util_out (RESP_OK, "[UIDNEXT %d] Predicted next uid", uidnext);
if (unseen)
util_out (RESP_OK, "[UNSEEN %d] first unseen messsage ", unseen);
util_out (RESP_NONE, "FLAGS (%s)", mflags);
/* FIXME:
- '\*' can be supported if we use the attribute_set userflag()
- Answered is still not set in the mailbox code. */
if (select_flags & MU_STREAM_READ)
util_out (RESP_OK, "[PERMANENTFLAGS ()] No Permanent flags");
else
util_out (RESP_OK, "[PERMANENTFLAGS (%s)] Permanent flags", pflags);
}