config/kerberos_v4.m4

   1 dnl checking for kerberos 4 libraries (and DES)
   2
   3 AC_DEFUN([SASL_DES_CHK], [
   4 AC_ARG_WITH(des, [  --with-des=DIR          with DES (look in DIR) [yes] ],
   5         with_des=$withval,
   6         with_des=yes)
   7
   8 LIB_DES=""
   9 if test "$with_des" != no; then
  10   if test -d $with_des; then
  11     CPPFLAGS="$CPPFLAGS -I${with_des}/include"
  12     LDFLAGS="$LDFLAGS -L${with_des}/lib"
  13   fi
  14
  15   if test "$with_openssl" != no; then
  16     dnl check for openssl installing -lcrypto, then make vanilla check
  17     AC_CHECK_LIB(crypto, des_cbc_encrypt, [
  18         AC_CHECK_HEADER(openssl/des.h, [AC_DEFINE(WITH_SSL_DES,[],[Use OpenSSL DES Implementation])
  19                                        LIB_DES="-lcrypto";
  20                                        with_des=yes],
  21                        with_des=no)],
  22         with_des=no, $LIB_RSAREF)
  23
  24     dnl same test again, different symbol name
  25     if test "$with_des" = no; then
  26       AC_CHECK_LIB(crypto, DES_cbc_encrypt, [
  27         AC_CHECK_HEADER(openssl/des.h, [AC_DEFINE(WITH_SSL_DES,[],[Use OpenSSL DES Implementation])
  28                                        LIB_DES="-lcrypto";
  29                                        with_des=yes],
  30                        with_des=no)],
  31         with_des=no, $LIB_RSAREF)
  32     fi
  33   fi
  34
  35   if test "$with_des" = no; then
  36     AC_CHECK_LIB(des, des_cbc_encrypt, [LIB_DES="-ldes";
  37                                         with_des=yes], with_des=no)
  38   fi
  39
  40   if test "$with_des" = no; then
  41      AC_CHECK_LIB(des425, des_cbc_encrypt, [LIB_DES="-ldes425";
  42                                        with_des=yes], with_des=no)
  43   fi
  44
  45   if test "$with_des" = no; then
  46      AC_CHECK_LIB(des524, des_cbc_encrypt, [LIB_DES="-ldes524";
  47                                        with_des=yes], with_des=no)
  48   fi
  49
  50   if test "$with_des" = no; then
  51     dnl if openssl is around, we might be able to use that for des
  52
  53     dnl if openssl has been compiled with the rsaref2 libraries,
  54     dnl we need to include the rsaref libraries in the crypto check
  55     LIB_RSAREF=""
  56     AC_CHECK_LIB(rsaref, RSAPublicEncrypt,
  57                  LIB_RSAREF="-lRSAglue -lrsaref"; cmu_have_rsaref=yes,
  58                  cmu_have_rsaref=no)
  59
  60     AC_CHECK_LIB(crypto, des_cbc_encrypt, [
  61         AC_CHECK_HEADER(openssl/des.h, [AC_DEFINE(WITH_SSL_DES,[],[Use OpenSSL DES Implementation])
  62                                         LIB_DES="-lcrypto";
  63                                         with_des=yes],
  64                         with_des=no)],
  65         with_des=no, $LIB_RSAREF)
  66   fi
  67 fi
  68
  69 if test "$with_des" != no; then
  70   AC_DEFINE(WITH_DES,[],[Use DES])
  71 fi
  72
  73 AC_SUBST(LIB_DES)
  74 ])
  75
  76 AC_DEFUN([SASL_KERBEROS_V4_CHK], [
  77   AC_REQUIRE([SASL_DES_CHK])
  78
  79   AC_ARG_ENABLE(krb4, [  --enable-krb4           enable KERBEROS_V4 authentication [[no]] ],
  80     krb4=$enableval,
  81     krb4=no)
  82
  83   if test "$krb4" != no; then
  84     dnl In order to compile kerberos4, we need libkrb and libdes.
  85     dnl (We've already gotten libdes from SASL_DES_CHK)
  86     dnl we might need -lresolv for kerberos
  87     AC_CHECK_LIB(resolv,res_search)
  88
  89     dnl if we were ambitious, we would look more aggressively for the
  90     dnl krb4 install
  91     if test -d ${krb4}; then
  92        AC_CACHE_CHECK(for Kerberos includes, cyrus_krbinclude, [
  93          for krbhloc in include/kerberosIV include/kerberos include
  94          do
  95            if test -f ${krb4}/${krbhloc}/krb.h ; then
  96              cyrus_krbinclude=${krb4}/${krbhloc}
  97              break
  98            fi
  99          done
 100          ])
 101
 102        if test -n "${cyrus_krbinclude}"; then
 103          CPPFLAGS="$CPPFLAGS -I${cyrus_krbinclude}"
 104        fi
 105        LDFLAGS="$LDFLAGS -L$krb4/lib"
 106     fi
 107
 108     if test "$with_des" != no; then
 109       AC_CHECK_HEADER(krb.h, [
 110         AC_CHECK_LIB(com_err, com_err, [
 111           AC_CHECK_LIB(krb, krb_mk_priv,
 112                      [COM_ERR="-lcom_err"; SASL_KRB_LIB="-lkrb"; krb4lib="yes"],
 113                      krb4lib=no, $LIB_DES -lcom_err)], [
 114           AC_CHECK_LIB(krb, krb_mk_priv,
 115                      [COM_ERR=""; SASL_KRB_LIB="-lkrb"; krb4lib="yes"],
 116                      krb4lib=no, $LIB_DES)])], krb4="no")
 117
 118       if test "$krb4" != "no" -a "$krb4lib" = "no"; then
 119         AC_CHECK_LIB(krb4, krb_mk_priv,
 120                      [COM_ERR=""; SASL_KRB_LIB="-lkrb4"; krb4=yes],
 121                      krb4=no, $LIB_DES)
 122       fi
 123       if test "$krb4" = no; then
 124           AC_WARN(No Kerberos V4 found)
 125       fi
 126     else
 127       AC_WARN(No DES library found for Kerberos V4 support)
 128       krb4=no
 129     fi
 130   fi
 131
 132   if test "$krb4" != no; then
 133     cmu_save_LIBS="$LIBS"
 134     LIBS="$LIBS $SASL_KRB_LIB"
 135     AC_CHECK_FUNCS(krb_get_err_text)
 136     LIBS="$cmu_save_LIBS"
 137   fi
 138
 139   AC_MSG_CHECKING(KERBEROS_V4)
 140   if test "$krb4" != no; then
 141     AC_MSG_RESULT(enabled)
 142     SASL_MECHS="$SASL_MECHS libkerberos4.la"
 143     SASL_STATIC_SRCS="$SASL_STATIC_SRCS ../plugins/kerberos4.c"
 144     SASL_STATIC_OBJS="$SASL_STATIC_OBJS kerberos4.o"
 145     AC_DEFINE(STATIC_KERBEROS4,[],[User KERBEROS_V4 Staticly])
 146     AC_DEFINE(HAVE_KRB,[],[Do we have Kerberos 4 Support?])
 147     SASL_KRB_LIB="$SASL_KRB_LIB $LIB_DES $COM_ERR"
 148   else
 149     AC_MSG_RESULT(disabled)
 150   fi
 151   AC_SUBST(SASL_KRB_LIB)
 152 ])
 153