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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "files_common.h"
#include <string.h>
#include <libtsnet.h>
#include <netinet/in.h>
/*
* files/tsol_getrhent.c --
* "files" backend for nsswitch "tnrhdb" database
*/
static int
check_addr(nss_XbyY_args_t *args, const char *line, int linelen)
{
const char *limit, *linep, *keyp;
char prev;
int ipv6;
linep = line;
limit = line + linelen;
keyp = args->key.hostaddr.addr;
prev = '\0';
if (strstr(linep, "\\:") != NULL)
ipv6 = 1;
else
ipv6 = 0;
/*
* compare addr in
*
* 192.168.120.6:public
* fec0\:\:a00\:20ff\:fea0\:21f7:cipso
*
* ':' is the seperator.
*/
while (*keyp && linep < limit && *keyp == *linep) {
if ((ipv6 == 0 && *linep == ':') ||
(ipv6 == 1 && prev != '\\' && *linep == ':'))
break;
prev = *linep;
keyp++;
linep++;
}
if (*keyp == '\0' && linep < limit && ((ipv6 == 0 && *linep == ':') ||
(ipv6 == 1 && prev != '\\' && *linep == ':')))
return (1);
return (0);
}
static void
escape_colon(const char *in, char *out) {
int i, j;
for (i = 0, j = 0; in[i] != '\0'; i++) {
if (in[i] == ':') {
out[j++] = '\\';
out[j++] = in[i];
} else
out[j++] = in[i];
}
out[j] = '\0';
}
static nss_status_t
getbyaddr(files_backend_ptr_t be, void *a)
{
nss_XbyY_args_t *argp = a;
char addr6[INET6_ADDRSTRLEN + 5]; /* 5 '\' for ':' */
const char *addr = NULL;
nss_status_t rc;
if (argp->key.hostaddr.addr == NULL ||
(argp->key.hostaddr.type != AF_INET &&
argp->key.hostaddr.type != AF_INET6))
return (NSS_NOTFOUND);
if (strchr(argp->key.hostaddr.addr, ':') != NULL) {
/* IPV6 */
if (argp->key.hostaddr.type == AF_INET)
return (NSS_NOTFOUND);
escape_colon(argp->key.hostaddr.addr, addr6);
/* save the key in original format */
addr = argp->key.hostaddr.addr;
/* Replace the key with escaped format */
argp->key.hostaddr.addr = addr6;
} else {
/* IPV4 */
if (argp->key.hostaddr.type == AF_INET6)
return (NSS_NOTFOUND);
}
rc = _nss_files_XY_all(be, argp, 1,
argp->key.hostaddr.addr, check_addr);
/* restore argp->key.hostaddr.addr */
if (addr)
argp->key.hostaddr.addr = addr;
return (rc);
}
static files_backend_op_t tsol_rh_ops[] = {
_nss_files_destr,
_nss_files_endent,
_nss_files_setent,
_nss_files_getent_netdb,
getbyaddr
};
nss_backend_t *
/* LINTED E_FUNC_ARG_UNUSED */
_nss_files_tnrhdb_constr(const char *dummy1, const char *dummy2,
/* LINTED E_FUNC_ARG_UNUSED */
const char *dummy3)
{
return (_nss_files_constr(tsol_rh_ops,
sizeof (tsol_rh_ops) / sizeof (tsol_rh_ops[0]), TNRHDB_PATH,
NSS_LINELEN_TSOL_RH, NULL));
}
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