Arthur de Jong

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authorArthur de Jong <arthur@arthurdejong.org>2006-10-11 15:34:15 +0200
committerArthur de Jong <arthur@arthurdejong.org>2006-10-11 15:34:15 +0200
commit6f17403298cf33747a45fb5ecbe78bf7632531f9 (patch)
treea5fc4cfdc3b091a0ee86f3c5c8d5e0ea8fc2c564 /ldap-network.c
import release 251 of nss-ldap
git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss_ldap-251@1 ef36b2f9-881f-0410-afb5-c4e39611909c
Diffstat (limited to 'ldap-network.c')
-rw-r--r--ldap-network.c372
1 files changed, 372 insertions, 0 deletions
diff --git a/ldap-network.c b/ldap-network.c
new file mode 100644
index 0000000..cafc872
--- /dev/null
+++ b/ldap-network.c
@@ -0,0 +1,372 @@
+/* Copyright (C) 1997-2005 Luke Howard.
+ This file is part of the nss_ldap library.
+ Contributed by Luke Howard, <lukeh@padl.com>, 1997.
+
+ The nss_ldap library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The nss_ldap library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the nss_ldap library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ $Id: ldap-network.c,v 2.33 2006/01/11 18:03:48 lukeh Exp $
+ */
+
+/* parts based on nss_nis */
+
+static char rcsId[] =
+ "$Id: ldap-network.c,v 2.33 2006/01/11 18:03:48 lukeh Exp $";
+
+#include "config.h"
+
+#ifdef HAVE_PORT_BEFORE_H
+#include <port_before.h>
+#endif
+
+#if defined(HAVE_THREAD_H) && !defined(_AIX)
+#include <thread.h>
+#elif defined(HAVE_PTHREAD_H)
+#include <pthread.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <sys/socket.h>
+#include <errno.h>
+
+#ifdef HAVE_LBER_H
+#include <lber.h>
+#endif
+#ifdef HAVE_LDAP_H
+#include <ldap.h>
+#endif
+
+#include "ldap-nss.h"
+#include "ldap-network.h"
+#include "util.h"
+
+#if defined(HAVE_IRS_H) || defined(HAVE_USERSEC_H)
+#define MAXALIASES 35
+#define MAXADDRSIZE 4
+#endif /* HAVE_IRS_H || HAVE_USERSEC_H */
+
+#ifdef HAVE_PORT_AFTER_H
+#include <port_after.h>
+#endif
+
+#ifdef HAVE_NSS_H
+static ent_context_t *net_context = NULL;
+#endif
+
+static NSS_STATUS
+_nss_ldap_parse_net (LDAPMessage * e,
+ ldap_state_t * pvt,
+ void *result, char *buffer, size_t buflen)
+{
+
+ char *tmp;
+#ifdef HAVE_IRS_H
+ struct nwent *network = (struct nwent *) result;
+ unsigned char *addr;
+#else
+ struct netent *network = (struct netent *) result;
+#endif
+ NSS_STATUS stat;
+
+ /* IPv6 support ? XXX */
+ network->n_addrtype = AF_INET;
+
+ stat = _nss_ldap_assign_attrval (e, ATM (LM_NETWORKS, cn), &network->n_name,
+ &buffer, &buflen);
+ if (stat != NSS_SUCCESS)
+ return stat;
+
+ stat =
+ _nss_ldap_assign_attrval (e, AT (ipNetworkNumber), &tmp, &buffer,
+ &buflen);
+ if (stat != NSS_SUCCESS)
+ return stat;
+
+#ifdef HAVE_IRS_H
+ if (buflen < MAXADDRSIZE)
+ return NSS_TRYAGAIN;
+ addr = buffer;
+ buffer += MAXADDRSIZE;
+ buffer -= MAXADDRSIZE;
+ network->n_length = inet_net_pton (AF_INET, tmp, &addr, MAXADDRSIZE);
+ network->n_addr = addr;
+#else
+ network->n_net = inet_network (tmp);
+#endif
+
+ stat =
+ _nss_ldap_assign_attrvals (e, ATM (LM_NETWORKS, cn), network->n_name,
+ &network->n_aliases, &buffer, &buflen, NULL);
+ if (stat != NSS_SUCCESS)
+ return stat;
+
+ return NSS_SUCCESS;
+}
+
+#ifdef HAVE_NSSWITCH_H
+static NSS_STATUS
+_nss_ldap_getnetbyname_r (nss_backend_t * be, void *args)
+{
+ ldap_args_t a;
+ NSS_STATUS status;
+
+ LA_INIT (a);
+ LA_STRING (a) = NSS_ARGS (args)->key.name;
+ LA_TYPE (a) = LA_TYPE_STRING;
+
+ status = _nss_ldap_getbyname (&a,
+ NSS_ARGS (args)->buf.result,
+ NSS_ARGS (args)->buf.buffer,
+ NSS_ARGS (args)->buf.buflen,
+ &NSS_ARGS (args)->erange,
+ _nss_ldap_filt_getnetbyname,
+ LM_NETWORKS, _nss_ldap_parse_net);
+
+ if (status == NSS_SUCCESS)
+ NSS_ARGS (args)->returnval = NSS_ARGS (args)->buf.result;
+
+ MAP_H_ERRNO (status, NSS_ARGS (args)->h_errno);
+
+ return status;
+}
+#elif defined(HAVE_NSS_H)
+NSS_STATUS
+_nss_ldap_getnetbyname_r (const char *name, struct netent * result,
+ char *buffer, size_t buflen, int *errnop,
+ int *herrnop)
+{
+ NSS_STATUS status;
+ ldap_args_t a;
+
+ LA_INIT (a);
+ LA_STRING (a) = name;
+ LA_TYPE (a) = LA_TYPE_STRING;
+
+ status = _nss_ldap_getbyname (&a,
+ result,
+ buffer,
+ buflen,
+ errnop,
+ _nss_ldap_filt_getnetbyname,
+ LM_NETWORKS, _nss_ldap_parse_net);
+
+ MAP_H_ERRNO (status, *herrnop);
+
+ return status;
+}
+#endif
+
+#if defined(HAVE_NSSWITCH_H) || defined(HAVE_NSS_H)
+#ifdef HAVE_NSSWITCH_H
+static NSS_STATUS
+_nss_ldap_getnetbyaddr_r (nss_backend_t * be, void *args)
+#else
+NSS_STATUS
+_nss_ldap_getnetbyaddr_r (unsigned long addr, int type,
+ struct netent * result, char *buffer, size_t buflen,
+ int *errnop, int *herrnop)
+#endif
+{
+ struct in_addr in;
+ char buf[256];
+ int blen;
+ ldap_args_t a;
+ NSS_STATUS retval = NSS_NOTFOUND;
+
+ LA_INIT (a);
+ LA_TYPE (a) = LA_TYPE_STRING;
+
+#ifdef HAVE_NSSWITCH_H
+ in = inet_makeaddr (NSS_ARGS (args)->key.netaddr.net, 0);
+#else
+ in = inet_makeaddr (addr, 0);
+#endif
+ strcpy (buf, inet_ntoa (in));
+ blen = strlen (buf);
+ LA_STRING (a) = buf;
+
+ while (1)
+ {
+#ifdef HAVE_NSSWITCH_H
+ retval =
+ _nss_ldap_getbyname (&a, NSS_ARGS (args)->buf.result,
+ NSS_ARGS (args)->buf.buffer,
+ NSS_ARGS (args)->buf.buflen,
+ &NSS_ARGS (args)->erange,
+#else
+ retval = _nss_ldap_getbyname (&a, result, buffer, buflen, errnop,
+#endif
+ _nss_ldap_filt_getnetbyaddr,
+ LM_NETWORKS, _nss_ldap_parse_net);
+
+ if (retval != NSS_SUCCESS)
+ {
+ if (retval == NSS_NOTFOUND)
+ {
+ if (buf[blen - 2] == '.' && buf[blen - 1] == '\0')
+ {
+ buf[blen - 2] = '\0';
+ blen -= 2;
+ continue;
+ }
+ else
+ {
+#ifdef HAVE_NSSWITCH_H
+ NSS_ARGS (args)->returnval = NULL;
+ MAP_H_ERRNO (retval, NSS_ARGS (args)->h_errno);
+#else
+ MAP_H_ERRNO (retval, *herrnop);
+#endif
+ return NSS_NOTFOUND;
+ }
+ }
+ else
+ {
+#ifdef HAVE_NSSWITCH_H
+ NSS_ARGS (args)->returnval = NULL;
+ MAP_H_ERRNO (retval, NSS_ARGS (args)->h_errno);
+#else
+ MAP_H_ERRNO (retval, *herrnop);
+#endif
+ return retval;
+ }
+ }
+ else
+ {
+ /* retval == NSS_SUCCESS */
+ break;
+ }
+ }
+
+#ifdef HAVE_NSSWITCH_H
+ NSS_ARGS (args)->returnval = NSS_ARGS (args)->buf.result;
+ MAP_H_ERRNO (retval, NSS_ARGS (args)->h_errno);
+#else
+ MAP_H_ERRNO (NSS_SUCCESS, *herrnop);
+#endif
+
+ return retval;
+}
+#endif
+
+#ifdef HAVE_NSSWITCH_H
+static NSS_STATUS
+_nss_ldap_setnetent_r (nss_backend_t * net_context, void *fakeargs)
+#elif defined(HAVE_NSS_H)
+ NSS_STATUS _nss_ldap_setnetent (void)
+#endif
+#if defined(HAVE_NSS_H) || defined(HAVE_NSSWITCH_H)
+{
+ LOOKUP_SETENT (net_context);
+}
+#endif
+
+#ifdef HAVE_NSSWITCH_H
+static NSS_STATUS
+_nss_ldap_endnetent_r (nss_backend_t * net_context, void *fakeargs)
+#elif defined(HAVE_NSS_H)
+ NSS_STATUS _nss_ldap_endnetent (void)
+#endif
+#if defined(HAVE_NSS_H) || defined(HAVE_NSSWITCH_H)
+{
+ LOOKUP_ENDENT (net_context);
+}
+#endif
+
+#ifdef HAVE_NSSWITCH_H
+static NSS_STATUS
+_nss_ldap_getnetent_r (nss_backend_t * net_context, void *args)
+{
+ NSS_STATUS status =
+ _nss_ldap_getent (&((nss_ldap_backend_t *) net_context)->state,
+ NSS_ARGS (args)->buf.result,
+ NSS_ARGS (args)->buf.buffer,
+ NSS_ARGS (args)->buf.buflen,
+ &NSS_ARGS (args)->erange,
+ _nss_ldap_filt_getnetent,
+ LM_NETWORKS,
+ _nss_ldap_parse_net);
+
+ if (status == NSS_SUCCESS)
+ NSS_ARGS (args)->returnval = NSS_ARGS (args)->buf.result;
+
+ return status;
+}
+#elif defined(HAVE_NSS_H)
+NSS_STATUS
+_nss_ldap_getnetent_r (struct netent * result, char *buffer, size_t buflen,
+ int *errnop, int *herrnop)
+{
+ NSS_STATUS status;
+
+ status = _nss_ldap_getent (&net_context,
+ result,
+ buffer,
+ buflen,
+ errnop,
+ _nss_ldap_filt_getnetent,
+ LM_NETWORKS, _nss_ldap_parse_net);
+
+ MAP_H_ERRNO (status, *herrnop);
+
+ return status;
+}
+#endif
+
+#ifdef HAVE_NSSWITCH_H
+static NSS_STATUS
+_nss_ldap_networks_destr (nss_backend_t * net_context, void *args)
+{
+ return _nss_ldap_default_destr (net_context, args);
+}
+
+static nss_backend_op_t net_ops[] = {
+ _nss_ldap_networks_destr,
+ _nss_ldap_endnetent_r,
+ _nss_ldap_setnetent_r,
+ _nss_ldap_getnetent_r,
+ _nss_ldap_getnetbyname_r,
+ _nss_ldap_getnetbyaddr_r
+};
+
+nss_backend_t *
+_nss_ldap_networks_constr (const char *db_name,
+ const char *src_name, const char *cfg_args)
+{
+ nss_ldap_backend_t *be;
+
+ if (!(be = (nss_ldap_backend_t *) malloc (sizeof (*be))))
+ return NULL;
+
+ be->ops = net_ops;
+ be->n_ops = sizeof (net_ops) / sizeof (nss_backend_op_t);
+
+ if (_nss_ldap_default_constr (be) != NSS_SUCCESS)
+ return NULL;
+
+ return (nss_backend_t *) be;
+}
+
+#endif /* !HAVE_NSS_H */
+
+#ifdef HAVE_IRS_H
+#include "irs-network.c"
+#endif