rename.c 3.73 KB
/* 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"

/*
 *
 */

int
imap4d_rename (struct imap4d_command *command, char *arg)
{
  char *oldname;
  char *newname;
  char *sp = NULL;
  int rc = RESP_OK;
  const char *msg = "Completed";
  struct stat newst;
  const char *delim = "/";

  if (! (command->states & state))
    return util_finish (command, RESP_BAD, "Wrong state");

  oldname = util_getword (arg, &sp);
  newname = util_getword (NULL, &sp);
  if (!newname || !oldname)
    return util_finish (command, RESP_BAD, "Too few arguments");

  util_unquote (&newname);
  util_unquote (&oldname);

  if (*newname == '\0' || *oldname == '\0')
    return util_finish (command, RESP_BAD, "Too few arguments");

  if (strcasecmp (newname, "INBOX") == 0)
    return util_finish (command, RESP_NO, "Name Inbox is reservered");

  /* Allocates memory.  */
  newname = util_getfullpath (newname, delim);

  /* It is an error to attempt to rename from a mailbox name that already
     exist.  */
  if (stat (newname, &newst) == 0)
    {
      if (!S_ISDIR(newst.st_mode))
	{
	  free (newname);
	  return util_finish (command, RESP_NO, "Already exist, delete first");
	}
    }

  /* Renaming INBOX is permitted, and has special behavior.  It moves
     all messages in INBOX to a new mailbox with the given name,
     leaving INBOX empty.  */
  if (strcasecmp (oldname, "INBOX") == 0)
    {
      mailbox_t newmbox = NULL;
      char *name;
      struct passwd *pw;
      if (S_ISDIR(newst.st_mode))
	{
	  free (newname);
	  return util_finish (command, RESP_NO, "Can not be a directory");
	}
      name = calloc (strlen ("mbox:") + strlen (newname) + 1, 1);
      sprintf (name, "mbox:%s", newname);
      if (mailbox_create (&newmbox, newname) != 0
	  || mailbox_open (newmbox, MU_STREAM_CREAT | MU_STREAM_RDWR) != 0)
	{
	  free (name);
	  free (newname);
	  return util_finish (command, RESP_NO, "Can not create new mailbox");
	}
      free (name);
      free (newname);
      pw = getpwuid (getuid ());
      if (pw)
	{
	  mailbox_t inbox = NULL;
	  if (mailbox_create_default (&inbox, pw->pw_name) == 0 &&
	      mailbox_open (inbox, MU_STREAM_RDWR) == 0)
	    {
	      size_t no;
	      size_t total = 0;
	      mailbox_messages_count (inbox, &total);
	      for (no = 1; no <= total; no++)
		{
		  message_t message;
		  if (mailbox_get_message (inbox, no, &message) == 0)
		    {
		      attribute_t attr = NULL;
		      mailbox_append_message (newmbox, message);
		      message_get_attribute (message, &attr);
		      attribute_set_deleted (attr);
		    }
		}
	      mailbox_expunge (inbox);
	      mailbox_close (inbox);
	      mailbox_destroy (&inbox);
	    }
	}
      mailbox_close (newmbox);
      mailbox_destroy (&newmbox);
      return util_finish (command, RESP_OK, "Already exist");
    }

  oldname = util_getfullpath (oldname, delim);

  /* It must exist.  */
  if (rename (oldname, newname) != 0)
    {
      rc = RESP_NO;
      msg = "Failed";
    }
  free (oldname);
  free (newname);
  return util_finish (command, rc, msg);
}