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Diffstat (limited to 'ldap-ethers.c')
-rw-r--r-- | ldap-ethers.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/ldap-ethers.c b/ldap-ethers.c new file mode 100644 index 0000000..5cd7b54 --- /dev/null +++ b/ldap-ethers.c @@ -0,0 +1,352 @@ +/* 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-ethers.c,v 2.36 2006/01/11 18:03:48 lukeh Exp $ + */ + + +static char rcsId[] = + "$Id: ldap-ethers.c,v 2.36 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> + +#ifdef HAVE_LBER_H +#include <lber.h> +#endif +#ifdef HAVE_LDAP_H +#include <ldap.h> +#endif + +#include <sys/types.h> +#include <sys/socket.h> +#ifdef HAVE_NET_ROUTE_H +#include <net/route.h> +#endif +#include <net/if.h> +#include <netinet/in.h> + +#ifdef HAVE_NETINET_IF_ETHER_H +#include <netinet/if_ether.h> +#endif + +#ifdef HAVE_NETINET_ETHER_H +#include <netinet/ether.h> +#endif + +#include "ldap-nss.h" +#include "ldap-ethers.h" +#include "util.h" + +#ifdef HAVE_PORT_AFTER_H +#include <port_after.h> +#endif + +#ifndef NSS_BUFLEN_ETHERS +/* for HP-UX */ +#define NSS_BUFLEN_ETHERS 1024 +#endif /* NSS_BUFLEN_ETHERS */ + +#if defined(HAVE_NSSWITCH_H) || defined(HAVE_NSS_H) + +#ifdef HAVE_NSSWITCH_H +#ifdef HAVE_ETHER_ATON +extern struct ether_addr *ether_aton (const char *s); +#else +static struct ether_addr *ether_aton (const char *s); +#endif /* HAVE_ETHER_ATON */ +#ifdef HAVE_ETHER_NTOA +extern char *ether_ntoa (const struct ether_addr *e); +#else +static char *ether_ntoa (const struct ether_addr *e); +#endif /* HAVE_ETHER_NTOA */ +#endif /* HAVE_NSSWITCH_H */ + +#ifdef HAVE_NSS_H +static ent_context_t *ether_context = NULL; +#endif + +static NSS_STATUS +_nss_ldap_parse_ether (LDAPMessage * e, + ldap_state_t * pvt, + void *result, char *buffer, size_t buflen) +{ + struct ether *ether = (struct ether *) result; + char *saddr; + NSS_STATUS stat; + struct ether_addr *addr; + + stat = _nss_ldap_assign_attrval (e, ATM (LM_ETHERS, cn), + ðer->e_name, &buffer, &buflen); + if (stat != NSS_SUCCESS) + return stat; + + stat = _nss_ldap_assign_attrval (e, AT (macAddress), &saddr, + &buffer, &buflen); + + if (stat != NSS_SUCCESS || ((addr = ether_aton (saddr)) == NULL)) + return NSS_NOTFOUND; + + memcpy (ðer->e_addr, addr, sizeof (*addr)); + + return NSS_SUCCESS; +} + +#ifdef HAVE_NSSWITCH_H +static NSS_STATUS +_nss_ldap_gethostton_r (nss_backend_t * be, void *args) +{ + struct ether result; + ldap_args_t a; + char buffer[NSS_BUFLEN_ETHERS]; + 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, + &result, + buffer, + sizeof (buffer), + &NSS_ARGS (args)->erange, + _nss_ldap_filt_gethostton, + LM_ETHERS, _nss_ldap_parse_ether); + + if (status == NSS_SUCCESS) + { + memcpy (NSS_ARGS (args)->buf.result, &result.e_addr, + sizeof (result.e_addr)); + NSS_ARGS (args)->returnval = NSS_ARGS (args)->buf.result; + } + + return status; +} +#elif defined(HAVE_NSS_H) +NSS_STATUS +_nss_ldap_gethostton_r (const char *name, struct ether * result, + char *buffer, size_t buflen, int *errnop) +{ + LOOKUP_NAME (name, result, buffer, buflen, errnop, + _nss_ldap_filt_gethostton, LM_ETHERS, _nss_ldap_parse_ether, + LDAP_NSS_BUFLEN_DEFAULT); +} +#endif + +#ifdef HAVE_NSSWITCH_H +static NSS_STATUS +_nss_ldap_getntohost_r (nss_backend_t * be, void *args) +{ + struct ether result; + char *addr; + ldap_args_t a; + char buffer[NSS_BUFLEN_ETHERS]; + NSS_STATUS status; + + addr = ether_ntoa ((struct ether_addr *) (NSS_ARGS (args)->key.ether)); + + LA_INIT (a); + LA_STRING (a) = addr; + LA_TYPE (a) = LA_TYPE_STRING; + + status = _nss_ldap_getbyname (&a, + &result, + buffer, + sizeof (buffer), + &NSS_ARGS (args)->erange, + _nss_ldap_filt_getntohost, + LM_ETHERS, _nss_ldap_parse_ether); + + if (status == NSS_SUCCESS) + { + memcpy (NSS_ARGS (args)->buf.buffer, result.e_name, + strlen (result.e_name) + 1); + NSS_ARGS (args)->returnval = NSS_ARGS (args)->buf.result = + NSS_ARGS (args)->buf.buffer; + NSS_ARGS (args)->buf.buflen = strlen (result.e_name); + } + else + { + NSS_ARGS (args)->returnval = NULL; + } + + return status; +} +#elif defined(HAVE_NSS_H) +NSS_STATUS +_nss_ldap_getntohost_r (struct ether_addr * addr, struct ether * result, + char *buffer, size_t buflen, int *errnop) +{ +/* The correct ether_ntoa call would have a struct ether instead of whatever + result->e_addr is */ + + LOOKUP_NAME (ether_ntoa ((struct ether_addr *) (&result->e_addr)), result, + buffer, buflen, errnop, _nss_ldap_filt_getntohost, LM_ETHERS, + _nss_ldap_parse_ether, LDAP_NSS_BUFLEN_DEFAULT); +} +#endif + +#ifdef HAVE_NSSWITCH_H +static NSS_STATUS +_nss_ldap_setetherent_r (nss_backend_t * ether_context, void *fakeargs) +#elif defined(HAVE_NSS_H) + NSS_STATUS _nss_ldap_setetherent (void) +#endif +#if defined(HAVE_NSSWITCH_H) || defined(HAVE_NSS_H) +{ + LOOKUP_SETENT (ether_context); +} +#endif + +#ifdef HAVE_NSSWITCH_H +static NSS_STATUS +_nss_ldap_endetherent_r (nss_backend_t * ether_context, void *fakeargs) +#elif defined(HAVE_NSS_H) + NSS_STATUS _nss_ldap_endetherent (void) +#endif +#if defined(HAVE_NSS_H) || defined(HAVE_NSSWITCH_H) +{ + LOOKUP_ENDENT (ether_context); +} +#endif + +#ifdef HAVE_NSSWITCH_H +static NSS_STATUS +_nss_ldap_getetherent_r (nss_backend_t * ether_context, void *args) +{ + struct ether result; + NSS_STATUS status; + + status = _nss_ldap_getent (&((nss_ldap_backend_t *) ether_context)->state, + &result, + NSS_ARGS (args)->buf.buffer, + NSS_ARGS (args)->buf.buflen, + &NSS_ARGS (args)->erange, + _nss_ldap_filt_getetherent, + LM_ETHERS, _nss_ldap_parse_ether); + + if (status == NSS_SUCCESS) + { + memcpy (NSS_ARGS (args)->buf.result, &result.e_addr, + sizeof (result.e_addr)); + NSS_ARGS (args)->returnval = NSS_ARGS (args)->buf.result; + } + else + { + NSS_ARGS (args)->returnval = NULL; + } + + return status; +} +#elif defined(HAVE_NSS_H) +NSS_STATUS +_nss_ldap_getetherent_r (struct ether * result, char *buffer, size_t buflen, + int *errnop) +{ + LOOKUP_GETENT (ether_context, result, buffer, buflen, errnop, + _nss_ldap_filt_getetherent, LM_ETHERS, + _nss_ldap_parse_ether, LDAP_NSS_BUFLEN_DEFAULT); +} +#endif + +#ifdef HAVE_NSSWITCH_H +static NSS_STATUS +_nss_ldap_ethers_destr (nss_backend_t * ether_context, void *args) +{ + return _nss_ldap_default_destr (ether_context, args); +} + +static nss_backend_op_t ethers_ops[] = { + _nss_ldap_ethers_destr, + _nss_ldap_gethostton_r, + _nss_ldap_getntohost_r +}; + +nss_backend_t * +_nss_ldap_ethers_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 = ethers_ops; + be->n_ops = sizeof (ethers_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_NSSWITCH_H + +#ifndef HAVE_ETHER_ATON +static struct ether_addr *ether_aton (const char *s) +{ + static struct ether_addr ep; + register int i; + unsigned int t[6]; + + i = sscanf(s, " %x:%x:%x:%x:%x:%x", + &t[0], &t[1], &t[2], &t[3], &t[4], &t[5]); + if (i != 6) + return NULL; + for (i = 0; i < 6; i++) + ep.ether_addr_octet[i] = t[i]; + + return &ep; +} +#endif /* !HAVE_ETHER_ATON */ + +#ifndef HAVE_ETHER_NTOA +#define EI(i) (unsigned int)(e->ether_addr_octet[(i)]) +static char *ether_ntoa (const struct ether_addr *e) +{ + static char s[18]; + + s[0] = 0; + sprintf(s, "%x:%x:%x:%x:%x:%x", + EI(0), EI(1), EI(2), EI(3), EI(4), EI(5)); + + return s; +} +#endif /* !HAVE_ETHER_NTOA */ + +#endif /* HAVE_NSSWITCH_H */ + +#endif /* !HAVE_IRS_H */ |