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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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* From "tsol_getrhent.c 7.6 00/09/22 SMI; TSOL 2.x"
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <nss_dbdefs.h>
#include <libtsnet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <secdb.h>
#include <nss.h>
#include <libtsnet.h>
#include <libintl.h>
extern void _nss_XbyY_fgets(FILE *, nss_XbyY_args_t *); /* from lib.c */
static int tsol_rh_stayopen; /* Unsynchronized, but it affects only */
/* efficiency, not correctness */
static DEFINE_NSS_DB_ROOT(db_root);
static DEFINE_NSS_GETENT(context);
static void
_nss_initf_tsol_rh(nss_db_params_t *p)
{
p->name = NSS_DBNAM_TSOL_RH;
p->default_config = NSS_DEFCONF_TSOL_RH;
}
tsol_rhent_t *
tsol_getrhbyaddr(const void *addrp, size_t len, int af)
{
int err = 0;
char *errstr = NULL;
char buf[NSS_BUFLEN_TSOL_RH];
tsol_rhstr_t result;
tsol_rhstr_t *rhstrp = NULL;
nss_XbyY_args_t arg;
NSS_XbyY_INIT(&arg, &result, buf, sizeof (buf), str_to_rhstr);
arg.key.hostaddr.addr = (const char *)addrp;
arg.key.hostaddr.len = len;
arg.key.hostaddr.type = af;
arg.stayopen = tsol_rh_stayopen;
arg.h_errno = TSOL_NOT_FOUND;
arg.status = nss_search(&db_root, _nss_initf_tsol_rh,
NSS_DBOP_TSOL_RH_BYADDR, &arg);
rhstrp = (tsol_rhstr_t *)NSS_XbyY_FINI(&arg);
#ifdef DEBUG
(void) fprintf(stdout, "tsol_getrhbyaddr %s: %s\n",
(char *)addrp, rhstrp ? rhstrp->template : "NULL");
#endif /* DEBUG */
if (rhstrp == NULL)
return (NULL);
return (rhstr_to_ent(rhstrp, &err, &errstr));
}
void
tsol_setrhent(int stay)
{
tsol_rh_stayopen |= stay;
nss_setent(&db_root, _nss_initf_tsol_rh, &context);
}
void
tsol_endrhent(void)
{
tsol_rh_stayopen = 0;
nss_endent(&db_root, _nss_initf_tsol_rh, &context);
nss_delete(&db_root);
}
tsol_rhent_t *
tsol_getrhent(void)
{
int err = 0;
char *errstr = NULL;
char buf[NSS_BUFLEN_TSOL_RH];
tsol_rhstr_t result;
tsol_rhstr_t *rhstrp = NULL;
nss_XbyY_args_t arg;
NSS_XbyY_INIT(&arg, &result, buf, sizeof (buf), str_to_rhstr);
/* No key, no stayopen */
arg.status = nss_getent(&db_root, _nss_initf_tsol_rh, &context, &arg);
rhstrp = (tsol_rhstr_t *)NSS_XbyY_FINI(&arg);
#ifdef DEBUG
(void) fprintf(stdout, "tsol_getrhent: %s\n",
rhstrp ? rhstrp->template : "NULL");
#endif /* DEBUG */
if (rhstrp == NULL)
return (NULL);
return (rhstr_to_ent(rhstrp, &err, &errstr));
}
tsol_rhent_t *
tsol_fgetrhent(FILE *f, boolean_t *error)
{
int err = 0;
char *errstr = NULL;
char buf[NSS_BUFLEN_TSOL_RH];
tsol_rhstr_t result;
tsol_rhstr_t *rhstrp = NULL;
tsol_rhent_t *rhentp = NULL;
nss_XbyY_args_t arg;
NSS_XbyY_INIT(&arg, &result, buf, sizeof (buf), str_to_rhstr);
_nss_XbyY_fgets(f, &arg);
rhstrp = (tsol_rhstr_t *)NSS_XbyY_FINI(&arg);
if (rhstrp == NULL)
return (NULL);
rhentp = rhstr_to_ent(rhstrp, &err, &errstr);
while (rhentp == NULL) {
/*
* Loop until we find a non-blank, non-comment line, or
* until EOF. No need to log blank lines, comments.
*/
if (err != LTSNET_EMPTY) {
(void) fprintf(stderr, "%s: %.32s%s: %s\n",
gettext("Error parsing tnrhdb file"), errstr,
(strlen(errstr) > 32)? "...": "",
(char *)tsol_strerror(err, errno));
*error = B_TRUE;
}
_nss_XbyY_fgets(f, &arg);
rhstrp = (tsol_rhstr_t *)NSS_XbyY_FINI(&arg);
if (rhstrp == NULL) /* EOF */
return (NULL);
rhentp = rhstr_to_ent(rhstrp, &err, &errstr);
}
return (rhentp);
}
/*
* This is the callback routine for nss.
*/
int
str_to_rhstr(const char *instr, int lenstr, void *entp, char *buffer,
int buflen)
{
int len;
char *str = NULL;
char *last = NULL;
char *sep = KV_TOKEN_DELIMIT;
tsol_rhstr_t *rhstrp = (tsol_rhstr_t *)entp;
if ((instr >= buffer && (buffer + buflen) > instr) ||
(buffer >= instr && (instr + lenstr) > buffer))
return (NSS_STR_PARSE_PARSE);
if (lenstr >= buflen)
return (NSS_STR_PARSE_ERANGE);
(void) strncpy(buffer, instr, buflen);
str = _strtok_escape(buffer, sep, &last);
rhstrp->address = _do_unescape(str);
/*
* _do_unesape uses isspace() which removes "\n".
* we keep "\n" as we use it in checking for
* blank lines.
*/
if (strcmp(instr, "\n") == 0)
rhstrp->address = "\n";
rhstrp->template = _strtok_escape(NULL, sep, &last);
if (rhstrp->template != NULL) {
len = strlen(rhstrp->template);
if (rhstrp->template[len - 1] == '\n')
rhstrp->template[len - 1] = '\0';
}
if (rhstrp->address == NULL)
rhstrp->family = 0;
else if (strchr(rhstrp->address, ':') == NULL)
rhstrp->family = AF_INET;
else
rhstrp->family = AF_INET6;
#ifdef DEBUG
(void) fprintf(stdout,
"str_to_rhstr:str - %s\taddress - %s\n\ttemplate - %s\n",
instr, rhstrp->address ? rhstrp->address : "NULL",
rhstrp->template ? rhstrp->template : "NULL");
#endif /* DEBUG */
return (NSS_STR_PARSE_SUCCESS);
}
tsol_host_type_t
tsol_getrhtype(char *rhost) {
int herr;
struct hostent *hp;
in6_addr_t in6;
char abuf[INET6_ADDRSTRLEN];
tsol_rhent_t rhent;
tsol_tpent_t tp;
if ((hp = getipnodebyname(rhost, AF_INET6,
AI_ALL | AI_ADDRCONFIG | AI_V4MAPPED, &herr)) == NULL) {
return (UNLABELED);
}
(void) memset(&rhent, 0, sizeof (rhent));
(void) memcpy(&in6, hp->h_addr, hp->h_length);
if (IN6_IS_ADDR_V4MAPPED(&in6)) {
rhent.rh_address.ta_family = AF_INET;
IN6_V4MAPPED_TO_INADDR(&in6, &rhent.rh_address.ta_addr_v4);
(void) inet_ntop(AF_INET, &rhent.rh_address.ta_addr_v4, abuf,
sizeof (abuf));
} else {
rhent.rh_address.ta_family = AF_INET6;
rhent.rh_address.ta_addr_v6 = in6;
(void) inet_ntop(AF_INET6, &in6, abuf, sizeof (abuf));
}
if (tnrh(TNDB_GET, &rhent) != 0)
return (UNLABELED);
if (rhent.rh_template[0] == '\0')
return (UNLABELED);
(void) strlcpy(tp.name, rhent.rh_template, sizeof (tp.name));
if (tnrhtp(TNDB_GET, &tp) != 0)
return (UNLABELED);
return (tp.host_type);
}
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