Arthur de Jong

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authorArthur de Jong <arthur@arthurdejong.org>2006-11-11 16:16:12 +0100
committerArthur de Jong <arthur@arthurdejong.org>2006-11-11 16:16:12 +0100
commit6ffd9f0708c4ff382defb760b8c65cea01879c32 (patch)
treeb7806042d5ab6944ca334097dfa20fdbefabe01f /server/service.c
parentdb14b113e055fa7ab006cfe1c04961bba19a85de (diff)
fix naming and copyright headers
git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/libnss_ldapd@85 ef36b2f9-881f-0410-afb5-c4e39611909c
Diffstat (limited to 'server/service.c')
-rw-r--r--server/service.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/server/service.c b/server/service.c
new file mode 100644
index 0000000..8e3d49f
--- /dev/null
+++ b/server/service.c
@@ -0,0 +1,227 @@
+/*
+ service.c - service entry lookup routines
+ This file was part of the nss-ldap library (as ldap-service.c)
+ which has been forked into the nss-ldapd library.
+
+ Copyright (C) 1997-2005 Luke Howard
+ Copyright (C) 2006 West Consulting
+ Copyright (C) 2006 Arthur de Jong
+
+ This 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.
+
+ This 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 this library; if not, write to the Free
+ Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ MA 02110-1301 USA
+*/
+
+/*
+ Determine the canonical name of the RPC with _nss_ldap_getrdnvalue(),
+ and assign any values of "cn" which do NOT match this canonical name
+ as aliases.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <errno.h>
+#ifdef HAVE_SYS_BYTEORDER_H
+#include <sys/byteorder.h>
+#endif
+#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"
+
+static struct ent_context *serv_context = NULL;
+
+static enum nss_status _nss_ldap_parse_serv (LDAPMessage *e,
+ struct ldap_state *state,
+ void *result,char *buffer,size_t buflen)
+{
+ struct servent *service = (struct servent *)result;
+ char *port;
+ enum nss_status stat = NSS_STATUS_SUCCESS;
+
+ /* this is complicated and ugly, because some git (me) specified that service
+ * entries should expand to two entities (or more) if they have multi-valued
+ * ipServiceProtocol fields.
+ */
+
+ if (state->ls_type == LS_TYPE_KEY)
+ {
+ if (state->ls_info.ls_key == NULL)
+ {
+ /* non-deterministic behaviour is ok */
+ stat =
+ _nss_ldap_assign_attrval (e, AT (ipServiceProtocol),
+ &service->s_proto, &buffer, &buflen);
+ if (stat != NSS_STATUS_SUCCESS)
+ {
+ return stat;
+ }
+ }
+ else
+ {
+ register int len;
+ len = strlen (state->ls_info.ls_key);
+ if (buflen < (size_t) (len + 1))
+ {
+ return NSS_STATUS_TRYAGAIN;
+ }
+ strncpy (buffer, state->ls_info.ls_key, len);
+ buffer[len] = '\0';
+ service->s_proto = buffer;
+ buffer += len + 1;
+ buflen -= len + 1;
+ }
+ }
+ else
+ {
+ char **vals = _nss_ldap_get_values (e, AT (ipServiceProtocol));
+ int len;
+ if (vals == NULL)
+ {
+ state->ls_info.ls_index = -1;
+ return NSS_STATUS_NOTFOUND;
+ }
+
+ switch (state->ls_info.ls_index)
+ {
+ case 0:
+ /* last time. decrementing ls_index to -1 AND returning !NSS_STATUS_SUCCESS
+ will force this entry to be discarded.
+ */
+ stat = NSS_STATUS_NOTFOUND;
+ break;
+ case -1:
+ /* first time */
+ state->ls_info.ls_index = ldap_count_values (vals);
+ /* fall off to default ... */
+ default:
+ len = strlen (vals[state->ls_info.ls_index - 1]);
+ if (buflen < (size_t) (len + 1))
+ {
+ return NSS_STATUS_TRYAGAIN;
+ }
+ strncpy (buffer, vals[state->ls_info.ls_index - 1], len);
+ buffer[len] = '\0';
+ service->s_proto = buffer;
+ buffer += len + 1;
+ buflen -= len + 1;
+ stat = NSS_STATUS_SUCCESS;
+ }
+
+ ldap_value_free (vals);
+ state->ls_info.ls_index--;
+ }
+
+ if (stat != NSS_STATUS_SUCCESS)
+ {
+ return stat;
+ }
+
+ stat =
+ _nss_ldap_getrdnvalue (e, ATM (LM_SERVICES, cn), &service->s_name,
+ &buffer, &buflen);
+ if (stat != NSS_STATUS_SUCCESS)
+ {
+ return stat;
+ }
+
+ stat =
+ _nss_ldap_assign_attrvals (e, ATM (LM_SERVICES, cn), service->s_name,
+ &service->s_aliases, &buffer, &buflen, NULL);
+ if (stat != NSS_STATUS_SUCCESS)
+ {
+ return stat;
+ }
+
+ stat =
+ _nss_ldap_assign_attrval (e, AT (ipServicePort), &port, &buffer,
+ &buflen);
+ if (stat != NSS_STATUS_SUCCESS)
+ {
+ return stat;
+ }
+
+ service->s_port = htons (atoi (port));
+
+ return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status _nss_ldap_getservbyname_r(const char *name,
+ const char *proto,
+ struct servent *result,
+ char *buffer,size_t buflen,int *errnop)
+{
+ struct ldap_args a;
+
+ LA_INIT (a);
+ LA_STRING (a) = name;
+ LA_TYPE (a) = (proto == NULL) ? LA_TYPE_STRING : LA_TYPE_STRING_AND_STRING;
+ LA_STRING2 (a) = proto;
+
+ return _nss_ldap_getbyname (&a, result, buffer, buflen, errnop,
+ ((proto == NULL) ? _nss_ldap_filt_getservbyname
+ : _nss_ldap_filt_getservbynameproto),
+ LM_SERVICES, _nss_ldap_parse_serv);
+}
+
+enum nss_status _nss_ldap_getservbyport_r(int port,
+ const char *proto,
+ struct servent *result,
+ char *buffer,size_t buflen,int *errnop)
+{
+ struct ldap_args a;
+
+ LA_INIT (a);
+ LA_NUMBER (a) = htons (port);
+ LA_TYPE (a) = (proto == NULL) ? LA_TYPE_NUMBER : LA_TYPE_NUMBER_AND_STRING;
+ LA_STRING2 (a) = proto;
+ return _nss_ldap_getbyname (&a, result, buffer, buflen, errnop,
+ (proto ==
+ NULL) ? _nss_ldap_filt_getservbyport :
+ _nss_ldap_filt_getservbyportproto,
+ LM_SERVICES, _nss_ldap_parse_serv);
+}
+
+enum nss_status _nss_ldap_setservent(void)
+{
+ LOOKUP_SETENT(serv_context);
+}
+
+enum nss_status _nss_ldap_getservent_r(struct servent *result,char *buffer,size_t buflen,
+ int *errnop)
+{
+ LOOKUP_GETENT(serv_context, result, buffer, buflen, errnop,
+ _nss_ldap_filt_getservent, LM_SERVICES,
+ _nss_ldap_parse_serv, LDAP_NSS_BUFLEN_DEFAULT);
+}
+
+enum nss_status _nss_ldap_endservent(void)
+{
+ LOOKUP_ENDENT(serv_context);
+}