have more compatibility code for NSS module and move compatibility code to compat directory

git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd@1146 ef36b2f9-881f-0410-afb5-c4e39611909c

2 files changed, 113 insertions, 0 deletions

diff --git a/compat/Makefile.am b/compat/Makefile.am
index 06ac51b..63c2f05 100644
--- a/compat/Makefile.am
+++ b/compat/Makefile.am
@@ -25,6 +25,7 @@ AM_CFLAGS = -fPIC
 EXTRA_DIST = getopt_long.c getopt_long.h \
              daemon.c daemon.h \
              ether.c ether.h \
+             nss_compat.h \
              ldap_compat.h pagectrl.c ldap_passwd_s.c ldap_initialize.c \
              pam_compat.h pam_get_authtok.c pam_prompt.c
 
diff --git a/compat/nss_compat.h b/compat/nss_compat.h
new file mode 100644
index 0000000..b438b8f
--- /dev/null
+++ b/compat/nss_compat.h
@@ -0,0 +1,112 @@
+/*
+   nss_compat.h - compatibility definitions for NSS functions
+
+   Copyright (C) 2010 Arthur de Jong
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301 USA
+*/
+
+#ifndef COMPAT__NSS_H
+#define COMPAT__NSS_H
+
+#include <nss.h>
+#ifdef HAVE_ALIASES_H
+#include <aliases.h>
+#endif
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <grp.h>
+#include <netdb.h>
+#include <pwd.h>
+#ifdef HAVE_SHADOW_H
+#include <shadow.h>
+#endif /* HAVE_SHADOW_H */
+#ifdef HAVE_RPC_RPCENT_H
+#include <rpc/rpcent.h>
+#endif /* HAVE_RPC_RPCENT_H */
+
+#include "compat/ether.h"
+
+/* Define an aliasent if it was not found on the system. */
+#ifndef HAVE_STRUCT_ALIASENT
+struct aliasent
+{
+  char *alias_name;
+  size_t alias_members_len;
+  char **alias_members;
+  int alias_local;
+};
+#endif /* not HAVE_STRUCT_ALIASENT */
+
+/* Define an rpcent if it was not found on the system */
+#ifndef HAVE_STRUCT_RPCENT
+struct rpcent
+{
+  char *r_name;
+  char **r_aliases;
+  int r_number;
+};
+#endif /* not HAVE_STRUCT_RPCENT */
+
+/* We define struct etherent here because it does not seem to
+   be defined in any publicly available header file exposed
+   by glibc. This is taken from include/netinet/ether.h
+   of the glibc (2.3.6) source tarball. */
+#ifndef HAVE_STRUCT_ETHERENT
+struct etherent
+{
+  const char *e_name;
+  struct ether_addr e_addr;
+};
+#endif /* not HAVE_STRUCT_ETHERENT */
+
+/* We also define struct __netgrent because it's definition is
+   not publically available. This is taken from inet/netgroup.h
+   of the glibc (2.3.6) source tarball.
+   The first part of the struct is the only part that is modified
+   by our getnetgrent() function, all the other fields are not
+   touched at all. */
+struct __netgrent
+{
+  enum { triple_val, group_val } type;
+  union
+  {
+    struct
+    {
+      const char *host;
+      const char *user;
+      const char *domain;
+    } triple;
+    const char *group;
+  } val;
+  /* the following stuff is used by some NSS services
+     but not by ours (it's not completely clear how these
+     are shared between different services) or is used
+     by our caller */
+  char *data;
+  size_t data_size;
+  union
+  {
+    char *cursor;
+    unsigned long int position;
+  } insertedname; /* added name to union to avoid warning */
+  int first;
+  struct name_list *known_groups;
+  struct name_list *needed_groups;
+  void *nip; /* changed from `service_user *nip' */
+};
+
+#endif /* not COMPAT__NSS_H */