/* sync_reset.c -- Remove a user account from a replica system
*
* Copyright (c) 1994-2008 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Original version written by David Carter <dpc22@cam.ac.uk>
* Rewritten and integrated into Cyrus by Ken Murchison <ken@oceana.com>
*/
#include <config.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <sysexits.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <string.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include "global.h"
#include "mboxlist.h"
#include "mailbox.h"
#include "seen.h"
#include "mboxname.h"
#include "map.h"
#include "proc.h"
#include "util.h"
#include "xmalloc.h"
#include "xstrlcat.h"
#include "imapd.h"
#include "user.h"
#include "sync_support.h"
/*#include "cdb.h"*/
/* generated headers are not necessarily in current directory */
#include "imap/imap_err.h"
/* Static global variables and support routines for sync_reset */
extern char *optarg;
extern int optind;
static struct namespace sync_namespace;
static struct namespace *sync_namespacep = &sync_namespace;
static struct auth_state *sync_authstate = NULL;
static char *sync_userid = NULL;
static int verbose = 0;
static int local_only = 0;
static void shut_down(int code) __attribute__((noreturn));
static void shut_down(int code)
{
in_shutdown = 1;
if (sync_userid) free(sync_userid);
if (sync_authstate) auth_freestate(sync_authstate);
seen_done();
exit(code);
}
static int usage(const char *name)
{
fprintf(stderr,
"usage: %s [-C <alt_config>] [-v] [-f] user...\n", name);
exit(EX_USAGE);
}
EXPORTED void fatal(const char* s, int code)
{
fprintf(stderr, "sync_reset: %s\n", s);
exit(code);
}
/* ====================================================================== */
static int reset_single(const char *userid)
{
int r = 0;
int i;
struct mboxlock *namespacelock = user_namespacelock(userid);
/* XXX: adding an entry to userdeny_db here would avoid the need to
* protect against new logins with external proxy rules - Cyrus could
* maintain its own safety */
/* first, disconnect all current connections for this user */
proc_killuser(userid);
strarray_t *sublist = mboxlist_sublist(userid);
strarray_t *mblist = strarray_new();
/* ignore failures here - the subs file gets deleted soon anyway */
for (i = sublist->count; i; i--) {
const char *name = strarray_nth(sublist, i-1);
(void)mboxlist_changesub(name, userid, sync_authstate, 0, 0, 0);
}
r = mboxlist_usermboxtree(userid, NULL, addmbox_cb, mblist, MBOXTREE_DELETED);
if (r) goto fail;
for (i = mblist->count; i; i--) {
const char *name = strarray_nth(mblist, i-1);
r = mboxlist_deletemailbox(name, 1, sync_userid,
sync_authstate, NULL, 0, 1, 1, 0);
if (r == IMAP_MAILBOX_NONEXISTENT) {
printf("skipping already removed mailbox %s\n", name);
}
else if (r) goto fail;
/* XXX - cheap and nasty hack around actually cleaning up the entry */
r = mboxlist_deleteremote(name, NULL);
if (r == IMAP_MAILBOX_NONEXISTENT) r = 0;
if (r) goto fail;
}
r = user_deletedata(userid, 1);
fail:
mboxname_release(&namespacelock);
strarray_free(mblist);
strarray_free(sublist);
return r;
}
/* ====================================================================== */
int
main(int argc, char **argv)
{
int opt;
char *alt_config = NULL;
int r = 0;
int force = 0;
int i;
setbuf(stdout, NULL);
while ((opt = getopt(argc, argv, "C:vfL")) != EOF) {
switch (opt) {
case 'C': /* alt config file */
alt_config = optarg;
break;
case 'v': /* verbose */
verbose++;
break;
case 'f': /* force: confirm option */
force++;
break;
case 'L': /* local mailbox operations only */
local_only++;
break;
default:
usage("sync_reset");
}
}
/* Set up default bounds if no command line options provided */
cyrus_init(alt_config, "sync_reset", 0, CONFIG_NEED_PARTITION_DATA);
/* Set namespace -- force standard (internal) */
if ((r = mboxname_init_namespace(sync_namespacep, 1)) != 0) {
fatal(error_message(r), EX_CONFIG);
}
signals_set_shutdown(&shut_down);
signals_add_handlers(0);
if (!force) {
fprintf(stderr, "Usage: sync_reset -f user user user ...\n");
fprintf(stderr, " -f [force] is obligatory for safety\n");
shut_down(0);
}
for (i = optind; i < argc; i++) {
if (reset_single(argv[i])) {
fprintf(stderr, "Bailing out!\n");
break;
}
}
shut_down(0);
}