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/* vmlookup.c - vmailmgr CVM lookup routines
* Copyright (C) 2010 Bruce Guenter <bruce@untroubled.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/types.h>
#include <errno.h>
#include <grp.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <bglibs/cdb.h>
#include <bglibs/cdb.h>
#include <bglibs/dict.h>
#include <bglibs/dict.h>
#include <bglibs/iobuf.h>
#include <bglibs/path.h>
#include <bglibs/str.h>
#include <vmailmgr/vpwentry.h>
#include "module.h"
#include "qmail.h"
#include "cvm-vmailmgr.h"
static str account;
static str baseuser;
/* Results from looking up the user */
struct qmail_user vmuser;
int lookup_reinit(void)
{
return 0;
}
int lookup_init(void)
{
if (!str_truncate(&account, 0) ||
!str_truncate(&domain, 0) ||
!str_truncate(&baseuser, 0) ||
!str_truncate(&virtuser, 0))
return CVME_GENERAL;
if (qmail_lookup_init() != 0)
return CVME_IO;
return 0;
}
int lookup_virtuser(void)
{
int err;
int fd;
struct cdb cdb;
DEBUG("cvm domain = '", cvm_module_credentials[CVM_CRED_DOMAIN].s, "'");
switch (qmail_lookup_cvm(&vmuser, &domain, &baseuser, &virtuser)) {
case -1:
return CVME_IO;
case 0:
break;
default:
/* Either the domain was not found, or it was found pointing to a
* nonexistant user. In either case, there is no vmailmgr table to
* look up. */
cvm_module_fact_uint(CVM_FACT_OUTOFSCOPE, 1);
return CVME_PERMFAIL;
}
if (virtuser.len == 0) {
cvm_module_fact_uint(CVM_FACT_OUTOFSCOPE, 1);
return CVME_PERMFAIL;
}
memset(&cdb, 0, sizeof cdb);
str_lower(&virtuser);
/* Found a virtual user, authenticate it. */
if (chdir(vmuser.homedir.s) == -1) return CVME_IO;
if ((fd = open(pwfile, O_RDONLY)) == -1) {
if (errno == ENOENT) {
cvm_module_fact_uint(CVM_FACT_OUTOFSCOPE, 1);
return CVME_PERMFAIL;
}
return CVME_IO;
}
cdb_init(&cdb, fd);
switch (cdb_get(&cdb, &virtuser, &vpwdata)) {
case -1:
DEBUG("cdb_get returned error", 0, 0);
err = CVME_IO;
break;
case 0:
DEBUG("cdb_get failed", 0, 0);
/* Only handle the default user when in lookup mode, as
authenticating the default user shouldn't happen. */
if (cvm_module_lookup_secret != 0) {
switch (cdb_get(&cdb, &default_user, &vpwdata)) {
case -1:
DEBUG("cdb_get returned error", 0, 0);
err = CVME_IO;
break;
case 0:
DEBUG("cdb_get failed", 0, 0);
err = CVME_PERMFAIL;
break;
default:
err = 0;
}
}
else
err = CVME_PERMFAIL;
break;
default:
err = 0;
}
cdb_free(&cdb);
close(fd);
if (err == CVME_PERMFAIL)
cvm_module_fact_uint(CVM_FACT_OUTOFSCOPE, 0);
return err;
}
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