diff options
Diffstat (limited to 'm4/ldap.m4')
| -rw-r--r-- | m4/ldap.m4 | 130 |
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 +]) |