diff options
Diffstat (limited to 'server/networks.c')
| -rw-r--r-- | server/networks.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/server/networks.c b/server/networks.c new file mode 100644 index 0000000..959c531 --- /dev/null +++ b/server/networks.c @@ -0,0 +1,200 @@ +/* + 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. + + $Id$ +*/ + +/* parts based on nss_nis */ + +#include "config.h" + +#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 +#if defined(HAVE_THREAD_H) +#include <thread.h> +#elif defined(HAVE_PTHREAD_H) +#include <pthread.h> +#endif + +#include "ldap-nss.h" +#include "util.h" + +#if defined(HAVE_USERSEC_H) +#define MAXALIASES 35 +#define MAXADDRSIZE 4 +#endif /* HAVE_USERSEC_H */ + +static struct ent_context *net_context = NULL; + +static enum nss_status +_nss_ldap_parse_net (LDAPMessage * e, + struct ldap_state * pvt, + void *result, char *buffer, size_t buflen) +{ + + char *tmp; + struct netent *network = (struct netent *) result; + enum 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_STATUS_SUCCESS) + return stat; + + stat = + _nss_ldap_assign_attrval (e, AT (ipNetworkNumber), &tmp, &buffer, + &buflen); + if (stat != NSS_STATUS_SUCCESS) + return stat; + + network->n_net = inet_network (tmp); + + stat = + _nss_ldap_assign_attrvals (e, ATM (LM_NETWORKS, cn), network->n_name, + &network->n_aliases, &buffer, &buflen, NULL); + if (stat != NSS_STATUS_SUCCESS) + return stat; + + return NSS_STATUS_SUCCESS; +} + +enum nss_status _nss_ldap_getnetbyname_r(const char *name,struct netent *result, + char *buffer,size_t buflen,int *errnop, + int *herrnop) +{ + enum nss_status status; + struct ldap_args 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; +} + +enum nss_status _nss_ldap_getnetbyaddr_r(unsigned long addr,int type, + struct netent *result,char *buffer,size_t buflen, + int *errnop,int *herrnop) +{ + struct in_addr in; + char buf[256]; + int blen; + struct ldap_args a; + enum nss_status retval = NSS_STATUS_NOTFOUND; + + LA_INIT (a); + LA_TYPE (a) = LA_TYPE_STRING; + + in = inet_makeaddr (addr, 0); + strcpy (buf, inet_ntoa (in)); + blen = strlen (buf); + LA_STRING (a) = buf; + + while (1) + { + retval = _nss_ldap_getbyname (&a, result, buffer, buflen, errnop, + _nss_ldap_filt_getnetbyaddr, + LM_NETWORKS, _nss_ldap_parse_net); + + if (retval != NSS_STATUS_SUCCESS) + { + if (retval == NSS_STATUS_NOTFOUND) + { + if (buf[blen - 2] == '.' && buf[blen - 1] == '\0') + { + buf[blen - 2] = '\0'; + blen -= 2; + continue; + } + else + { + MAP_H_ERRNO (retval, *herrnop); + return NSS_STATUS_NOTFOUND; + } + } + else + { + MAP_H_ERRNO (retval, *herrnop); + return retval; + } + } + else + { + /* retval == NSS_STATUS_SUCCESS */ + break; + } + } + + MAP_H_ERRNO (NSS_STATUS_SUCCESS, *herrnop); + + return retval; +} + +enum nss_status _nss_ldap_setnetent(void) +{ + LOOKUP_SETENT (net_context); +} + +enum nss_status _nss_ldap_getnetent_r(struct netent *result,char *buffer,size_t buflen, + int *errnop,int *herrnop) +{ + enum 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; +} + +enum nss_status _nss_ldap_endnetent(void) +{ + LOOKUP_ENDENT (net_context); +} |