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/* Copyright (C) 2005 Luke Howard.
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This file is part of the nss_ldap library.
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Contributed by Luke Howard, <lukeh@padl.com>, 2005.
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The nss_ldap library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The nss_ldap library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the nss_ldap library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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$Id: ldap-automount.c,v 2.9 2006/01/13 16:15:33 lukeh Exp $
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static char rcsId[] = "$Id: ldap-automount.c,v 2.9 2006/01/13 16:15:33 lukeh Exp $";
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#ifdef HAVE_PORT_BEFORE_H
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#include <port_before.h>
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#if defined(HAVE_THREAD_H) && !defined(_AIX)
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#elif defined(HAVE_PTHREAD_H)
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include "ldap-automount.h"
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#ifdef HAVE_PORT_AFTER_H
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#include <port_after.h>
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_nss_ldap_parse_automount (LDAPMessage * e,
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void *result, char *buffer, size_t buflen)
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char ***keyval = result;
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_nss_ldap_assign_attrval (e, AT (automountKey), keyval[0],
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if (stat != NSS_SUCCESS)
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_nss_ldap_assign_attrval (e, AT (automountInformation), keyval[1],
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if (stat != NSS_SUCCESS)
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_nss_ldap_am_context_alloc(ldap_automount_context_t **pContext)
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ldap_automount_context_t *context;
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context = (ldap_automount_context_t *)malloc (sizeof(*context));
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context->lac_state = NULL;
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context->lac_dn_size = 1; /* number of slots allocated */
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context->lac_dn_count = 0; /* number of slots used */
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context->lac_dn_index = 0; /* enumeration index */
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/* List of DNs, grown on demand */
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context->lac_dn_list = (char **)malloc (context->lac_dn_size *
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if (context->lac_dn_list == NULL)
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if (_nss_ldap_ent_context_init_locked (&context->lac_state) == NULL)
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free (context->lac_dn_list);
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_nss_ldap_am_context_free(ldap_automount_context_t **pContext)
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ldap_automount_context_t *context;
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if (context->lac_dn_list != NULL)
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for (i = 0; i < context->lac_dn_count; i++)
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#ifdef HAVE_LDAP_MEMFREE
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ldap_memfree (context->lac_dn_list[i]);
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free (context->lac_dn_list[i]);
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#endif /* HAVE_LDAP_MEMFREE */
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free (context->lac_dn_list);
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if (context->lac_state != NULL)
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_nss_ldap_ent_context_release (context->lac_state);
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free (context->lac_state);
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memset (context, 0, sizeof (*context));
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am_context_add_dn (LDAPMessage * e,
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void *result, char *buffer, size_t buflen)
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ldap_automount_context_t *context = (ldap_automount_context_t *) result;
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dn = _nss_ldap_get_dn (e);
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if (context->lac_dn_count >= context->lac_dn_size)
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new_dns = (char **)realloc(context->lac_dn_list,
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2 * context->lac_dn_size * sizeof(char *));
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#ifdef HAVE_LDAP_MEMFREE
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#endif /* HAVE_LDAP_MEMFREE */
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context->lac_dn_list = new_dns;
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context->lac_dn_size *= 2;
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context->lac_dn_list[context->lac_dn_count++] = dn;
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_nss_ldap_am_context_init(const char *mapname, ldap_automount_context_t **pContext)
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ldap_automount_context_t *context = NULL;
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const char *no_attrs[] = { NULL };
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ent_context_t *key = NULL;
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stat = _nss_ldap_am_context_alloc (&context);
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if (stat != NSS_SUCCESS)
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LA_TYPE (a) = LA_TYPE_STRING;
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LA_STRING (a) = mapname;
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stat = _nss_ldap_getent_ex (&a, &key,
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_nss_ldap_filt_setautomntent,
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while (stat == NSS_SUCCESS);
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_nss_ldap_ent_context_release (key);
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if (context->lac_dn_count == 0)
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_nss_ldap_am_context_free (&context);
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else if (stat == NSS_NOTFOUND)
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context->lac_dn_index = 0;
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NSS_STATUS _nss_ldap_setautomntent(const char *mapname, void **private)
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ldap_automount_context_t *context = NULL;
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debug ("==> _nss_ldap_setautomntent");
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stat = _nss_ldap_init ();
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if (stat != NSS_SUCCESS)
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debug ("<== _nss_ldap_setautomntent");
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stat = _nss_ldap_am_context_init (mapname, &context);
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if (stat != NSS_SUCCESS)
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debug ("<== _nss_ldap_setautomntent");
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*private = (void *)context;
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debug ("<== _nss_ldap_setautomntent");
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NSS_STATUS _nss_ldap_getautomntent_r(void *private, const char **key, const char **value,
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char *buffer, size_t buflen, int *errnop)
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ldap_automount_context_t *context = (ldap_automount_context_t *)private;
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debug ("==> _nss_ldap_getautomntent_r");
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keyval[0] = (char **)key;
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keyval[1] = (char **)value;
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assert (context->lac_dn_index < context->lac_dn_count);
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LA_TYPE (a) = LA_TYPE_NONE;
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LA_BASE (a) = context->lac_dn_list[context->lac_dn_index];
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stat = _nss_ldap_getent_ex (&a, &context->lac_state,
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buffer, buflen, errnop,
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_nss_ldap_filt_getautomntent,
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_nss_ldap_parse_automount);
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if (stat == NSS_NOTFOUND)
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if (context->lac_dn_index < context->lac_dn_count - 1)
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context->lac_dn_index++;
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break; /* move along, nothing more to see here */
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while (stat == NSS_NOTFOUND);
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debug ("<== _nss_ldap_getautomntent_r");
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NSS_STATUS _nss_ldap_endautomntent(void **private)
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ldap_automount_context_t **pContext = (ldap_automount_context_t **)private;
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debug ("==> _nss_ldap_endautomntent");
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_nss_ldap_am_context_free (pContext);
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/* workaround because Linux automounter spawns a lot of processes */
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debug ("<== _nss_ldap_endautomntent");
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NSS_STATUS _nss_ldap_getautomntbyname_r(void *private, const char *key,
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const char **canon_key, const char **value,
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char *buffer, size_t buflen, int *errnop)
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NSS_STATUS stat = NSS_NOTFOUND;
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ldap_automount_context_t *context = (ldap_automount_context_t *)private;
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debug ("==> _nss_ldap_getautomntbyname_r");
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keyval[0] = (char **)canon_key;
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keyval[1] = (char **)value;
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for (i = 0; i < context->lac_dn_count; i++)
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LA_TYPE (a) = LA_TYPE_STRING;
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LA_BASE (a) = context->lac_dn_list[i];
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/* we do not acquire lock in this case */
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stat = _nss_ldap_getbyname (&a,
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buffer, buflen, errnop,
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_nss_ldap_filt_getautomntbyname,
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_nss_ldap_parse_automount);
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if (stat != NSS_NOTFOUND)
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break; /* on success or error other than not found */
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debug ("<== _nss_ldap_getautomntbyname_r");
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#endif /* HAVE_NSS_H */
added
removed
ldap-automount.c
