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-rw-r--r--m4/ldap.m4130
1 files changed, 130 insertions, 0 deletions
diff --git a/m4/ldap.m4 b/m4/ldap.m4
new file mode 100644
index 0000000..39f2e35
--- /dev/null
+++ b/m4/ldap.m4
@@ -0,0 +1,130 @@
+AC_DEFUN([SUDO_CHECK_LDAP], [
+ if test ${with_ldap-'no'} != "no"; then
+ O_LDFLAGS="$LDFLAGS"
+ if test "$with_ldap" != "yes"; then
+ SUDO_APPEND_LIBPATH(SUDOERS_LDFLAGS, [${with_ldap}/lib])
+ LDFLAGS="$LDFLAGS -L${with_ldap}/lib"
+ if test -d "${with_ldap}/lib64"; then
+ SUDO_APPEND_LIBPATH(SUDOERS_LDFLAGS, [${with_ldap}/lib64])
+ LDFLAGS="$LDFLAGS -L${with_ldap}/lib64"
+ fi
+ AX_APPEND_FLAG([-I${with_ldap}/include], [CPPFLAGS])
+ with_ldap=yes
+ fi
+ SUDOERS_OBJS="${SUDOERS_OBJS} ldap.lo ldap_conf.lo ldap_innetgr.lo"
+ case "$SUDOERS_OBJS" in
+ *ldap_util.lo*) ;;
+ *) SUDOERS_OBJS="${SUDOERS_OBJS} ldap_util.lo";;
+ esac
+ LDAP=""
+
+ _LIBS="$LIBS"
+ LDAP_LIBS=""
+ IBMLDAP_EXTRA=""
+ found=no
+ # On HP-UX, libibmldap has a hidden dependency on libCsup
+ case "$host_os" in
+ hpux*) AC_CHECK_LIB([Csup], [main], [IBMLDAP_EXTRA=" -lCsup"]);;
+ esac
+ AC_SEARCH_LIBS([ldap_init], ["ibmldap${IBMLDAP_EXTRA}" "ibmldap -lidsldif${IBMLDAP_EXTRA}" "ldap" "ldap -llber" "ldap -llber -lssl -lcrypto" "ibmldap${IBMLDAP_EXTRA}]", [
+ test "${ac_cv_search_ldap_init}" != "none required" && LDAP_LIBS="${ac_cv_search_ldap_init}"
+ found=yes
+ ])
+ # If nothing linked, try -lldap and hope for the best
+ if test "$found" = "no"; then
+ LDAP_LIBS="-lldap"
+ fi
+ LIBS="${_LIBS} ${LDAP_LIBS}"
+
+ AC_CHECK_DECL([LBER_OPT_DEBUG_LEVEL], [
+ case "$LDAP_LIBS" in
+ *-llber*)
+ # Already linking with -llber
+ ;;
+ *) # Link with -llber for ber_set_option() if it exists
+ AC_CHECK_LIB([lber], [ber_set_option], [found=yes], [found=no])
+ if test X"$found" = X"yes"; then
+ LDAP_LIBS="$LDAP_LIBS -llber"
+ fi
+ ;;
+ esac
+ ], [], [AC_INCLUDES_DEFAULT
+#include <lber.h>])
+ AC_CACHE_CHECK([whether lber.h is needed when including ldap.h], [sudo_cv_header_lber_h], [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#include <ldap.h>]], [[return ldap_msgfree(NULL)]])], [
+ # No need to explicitly include lber.h when including ldap.h.
+ sudo_cv_header_lber_h=no
+ ], [
+ sudo_cv_header_lber_h=yes
+ ])
+ ])
+ if test X"$sudo_cv_header_lber_h" = X"yes"; then
+ AC_DEFINE(HAVE_LBER_H)
+ fi
+
+ if test ${enable_sasl-'yes'} = "yes"; then
+ found_sasl_h=no
+ AC_CHECK_HEADERS([sasl/sasl.h] [sasl.h], [
+ found_sasl_h=yes
+ AC_CHECK_FUNCS([ldap_sasl_interactive_bind_s])
+ break
+ ])
+ if test X${enable_sasl} = X"yes"; then
+ if test X"$found_sasl_h" != X"yes"; then
+ AC_MSG_ERROR([--enable-sasl specified but unable to locate SASL development headers.])
+ fi
+ if test X"$ac_cv_func_ldap_sasl_interactive_bind_s" != X"yes"; then :
+ AC_MSG_ERROR([--enable-sasl specified but SASL support is missing in your LDAP library])
+ fi
+ fi
+ fi
+ AC_CHECK_HEADERS([ldapssl.h] [ldap_ssl.h] [mps/ldap_ssl.h], [break], [], [#include <ldap.h>])
+ AC_CHECK_FUNCS([ldap_initialize ldap_start_tls_s ldapssl_init ldapssl_set_strength ldap_unbind_ext_s ldap_str2dn ldap_create ldap_sasl_bind_s ldap_ssl_init ldap_ssl_client_init ldap_start_tls_s_np])
+ AC_CHECK_FUNCS([ldap_search_ext_s ldap_search_st], [break])
+
+ if test X"$check_gss_krb5_ccache_name" = X"yes"; then
+ AC_CHECK_LIB([gssapi], [gss_krb5_ccache_name], [
+ AC_DEFINE(HAVE_GSS_KRB5_CCACHE_NAME)
+ LDAP_LIBS="${LDAP_LIBS} -lgssapi"
+ ], [
+ AC_CHECK_LIB(gssapi_krb5, gss_krb5_ccache_name, [
+ AC_DEFINE(HAVE_GSS_KRB5_CCACHE_NAME)
+ LDAP_LIBS="${LDAP_LIBS} -lgssapi_krb5"
+ ])
+ ])
+
+ # gssapi headers may be separate or part of Kerberos V
+ found=no
+ O_CPPFLAGS="$CPPFLAGS"
+ for dir in "" "kerberosV" "krb5" "kerberos5" "kerberosv5"; do
+ test X"$dir" != X"" && CPPFLAGS="$O_CPPFLAGS -I/usr/include/${dir}"
+ # Use AC_PREPROC_IFELSE to check existence to avoid caching
+ # since we test with multiple values of CPPFLAGS
+ AC_PREPROC_IFELSE([
+ AC_LANG_PROGRAM([[#include <gssapi/gssapi.h>]])
+ ], [
+ AC_CHECK_HEADERS([gssapi/gssapi.h])
+ break
+ ], [
+ AC_PREPROC_IFELSE([
+ AC_LANG_PROGRAM([[#include <gssapi.h>]])
+ ], [
+ AC_CHECK_HEADERS([gssapi.h])
+ break
+ ])
+ ])
+ done
+ if test X"$ac_cv_header_gssapi_gssapi_h" != X"no"; then
+ AC_CHECK_HEADERS([gssapi/gssapi_krb5.h])
+ elif test X"$ac_cv_header_gssapi_h" = X"no"; then
+ CPPFLAGS="$O_CPPFLAGS"
+ AC_MSG_WARN([unable to locate gssapi.h, you will have to edit the Makefile and add -I/path/to/gssapi/includes to CPPFLAGS])
+ fi
+ fi
+
+ SUDOERS_LIBS="${SUDOERS_LIBS} ${LDAP_LIBS}"
+ LIBS="$_LIBS"
+ LDFLAGS="$O_LDFLAGS"
+ fi
+])