configure.in

dnl
dnl Autoconf configuration for squidGuard
dnl

AC_INIT(src/main.c)
AC_CONFIG_HEADER(src/config.h)

dnl
dnl Checks for programs.
dnl
AC_PROG_CC
AC_PROG_CPP
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_YACC
AC_PROG_LEX
AC_PATH_PROG(LYNX,lynx,false,$PATH:/usr/bin:/usr/local/bin/:/local/bin:/local/perl/bin:/usr/local/perl/bin)
AC_PATH_PROG(PERL,perl,no,$PATH:/usr/bin:/usr/local/bin/:/local/bin:/local/perl/bin:/usr/local/perl/bin)
if test $PERL = no; then
	echo
	echo "** No Perl found in the PATH. Perl is required"
	echo "   for blocked.cgi to work "
	echo 
fi

squiduser=squid
NOLOG1=
NOLOG2=
ldap_yacc=""
sg_config=/usr/local/squidGuard/squidGuard.conf
sg_dbhome=/usr/local/squidGuard/db
sg_logdir=/usr/local/squidGuard/log
sg_cfgdir=/usr/local/squidGuard
dbprefix=/usr/local

default_directory="/usr /usr/local"

db_lib=-L$dbprefix/BerkeleyDB/lib
db_inc=-I$dbprefix/BerkeleyDB/include

AC_DEFUN(FAIL_MESSAGE,[
   echo
   echo
   echo "**********************************************"
   echo "  ERROR: unable to find" $1
   echo "  checked in the following places"
   echo " "
   echo "    /usr   /usr/local"
   echo " "
   echo "**********************************************"
   echo
   exit 1
])

dnl
dnl Handle command line arguments
dnl

AC_ARG_WITH(db,
	[  --with-db=DIR           location of the Berkley DB distribution],
                db_distribution=$withval)

if test -n "$db_distribution"; then
	db_lib="-L${db_distribution}/lib"
	db_inc="-I${db_distribution}/include"
fi

AC_ARG_WITH(db_lib,
	[  --with-db-lib=DIR       location of the Berkley DB library],
                [db_lib="-L${withval}"])
AC_ARG_WITH(db_inc,
	[  --with-db-inc=DIR       location of the Berkley DB include files],
                [db_inc="-I${withval}"])

AC_ARG_WITH(sg_config,
	[  --with-sg-config=FILE   location of squidGuard config file],
                sg_config=$withval)

AC_ARG_WITH(sg_logdir,
	[  --with-sg-logdir=DIR    location of squidGuard log file],
                sg_logdir=$withval)

AC_ARG_WITH(sg_dbhome,
	[  --with-sg-dbhome=DIR    location of squidGuard db dirs],
                sg_dbhome=$withval)

AC_ARG_WITH(nolog,
 	[  --with-nolog=ARG        supress logging except for start and stop messages (default: ARG=no)],
	nolog=$withval )

AC_ARG_WITH(squiduser,
        [  --with-squiduser=USER   do set squid user to USER (default: squid)],
	     squiduser=$withval)

if test -n "$sg_config"; then
	AC_DEFINE(ACCONFIG)
changequote(, )dnl
	sg_cfgdir=`echo $sg_config|sed "s%/[^/][^/]*$%%"`
changequote([, ])dnl
fi

if test -n "$sg_logdir"; then
	AC_DEFINE(ACLOGDIR)
fi

if test -n "$sg_dbhome"; then
	AC_DEFINE(ACDBHOME)
fi

CFLAGS="$CFLAGS $db_inc"
CXXFLAGS="$CXXFLAGS $db_inc"
CPPFLAGS="$CPPFLAGS $db_inc"
LDFLAGS="$LDFLAGS $db_lib"


dnl
dnl Checks for header files.
dnl

AC_HEADER_STDC
AC_CHECK_HEADERS(db.h regex.h unistd.h)

AC_CHECK_HEADER(db.h,,[
	echo
	echo "** No db.h found"
	echo "   The Berkley DB library is required for squidGuard"
	echo "   to compile. Get it from http://www.oracle.com"
	echo "   use --with-db=DIR or --with-db-inc=DIR to specify"
	echo "   its location. (default is $dbprefix/BerkeleyDB)"
	echo
	exit 1
       ])

if test $HAVE_REGEX.H = no; then
	echo 
	echo "** No regex.h found"
	echo "   The regexp library is required for squidGuard"
	echo "   to compile. Get it from http://www.gnu.org"
	echo
	exit 1
fi

dnl
dnl Checks if runtime logmessages shall be suppressed. Is --nolog given?
dnl
AC_ARG_WITH(nolog)
if test "$nolog" = "yes" -o "$nolog" = "true"; then
echo "checking suppress runtime logging... yes"
NOLOG1="/* nolog option set:"
NOLOG2="*/"
else
echo "checking suppress runtime logging... no"
fi

dnl
dnl Checks if squid runtime user is set
dnl
AC_ARG_WITH(squiduser)
if test "$squiduser"; then
echo "checking squid runtime user ... $squiduser"
squiduser=$squiduser
fi


dnl
dnl Checks for libraries. Do in least-dependent to most-dependent order.
dnl

dnl Check ldap
AC_ARG_WITH(ldap,
  AC_HELP_STRING([--with-ldap], [use ldap (default: no ldap)]))
if test "$with_ldap" = "yes" -o "$with_ldap" = "true"; then
  AC_CHECK_LIB( ldap, ldap_init,
       [
	echo "checking for ldap support... yes"
	with_ldap=yes
	LIBS="$LIBS -lldap"
	YACCLINE="                     | LDAPUSERSEARCH WORD { sgSourceLdapUserSearch(\$2); }"
       ],[
       AC_MSG_WARN([Cannot find LDAP libraries. LDAP support disabled])
       with_ldap=no
       ])
else
	echo "checking for ldap support... no"
	with_ldap=no
	YACCLINE=""
fi
if test "$with_ldap" = "yes"; then
       AC_DEFINE(HAVE_LIBLDAP)
       AC_RUN_IFELSE([

       #include <ldap.h>
       int main()
       {
               LDAP *p;
               p = ldap_init("localhost", LDAP_PORT);
               exit(0);
       }
       ],,[
               echo
               echo "Unable to link to LDAP library."
               echo
               exit 1
       ],)
fi

dnl
dnl Checks for libraries. Do in least-dependent to most-dependent order.
dnl

dnl Check mysql
AC_ARG_WITH(mysql,
    [  --with-mysql=DIR        support for mysql],
    [ with_mysql="$withval" ],
    [ with_mysql=no ])

if test "$with_mysql" != "no"; then
  if test "$with_mysql" = "yes"; then
    mysql_directory="$default_directory";
    mysql_fail="yes"
  elif test -d "$withval"; then
    mysql_directory="$withval"
    mysql_fail="yes"
  elif test "$with_mysql" = ""; then
    mysql_directory="$default_directory";
    mysql_fail="yes"
  fi

  AC_MSG_CHECKING(for mysql)
  MYSQLLINE="                    | USERQUERY WORD WORD WORD WORD { sgSourceUserQuery(\$2,\$3,\$4,\$5); }"

  for i in $mysql_directory; do
    if test -r $i/include/mysql/mysql.h; then
      MYSQL_DIR=$i
      MYSQL_INC_DIR=$i/include/mysql
    elif test -r $i/include/mysql.h; then
      MYSQL_DIR=$i
      MYSQL_INC_DIR=$i/include
    fi
  done

  if test -z "$MYSQL_DIR"; then
    if test "$mysql_fail" != "no"; then
      
      tmp=""
      for i in $mysql_directory; do
        tmp="$tmp $i/include $i/include/mysql"
      done
      FAIL_MESSAGE("mysql headers (mysql.h)", $tmp)
    else
      MYSQLLINE=""
      AC_MSG_RESULT(no)
    fi
  else

    for i in lib lib/mysql; do
      str="$MYSQL_DIR/$i/libmysqlclient.*"
      for j in `echo $str`; do
        if test -r $j; then
          MYSQL_LIB_DIR="$MYSQL_DIR/$i"
          break 2
        fi
      done
    done

    if test -z "$MYSQL_LIB_DIR"; then
      if test "$mysql_fail" != "no"; then
        FAIL_MESSAGE("mysqlclient library",
                     "$MYSQL_DIR/lib $MYSQL_DIR/lib/mysql")
      else
        MYSQLLINE=""
        AC_MSG_RESULT(no)
      fi
    else
      AC_MSG_RESULT(yes)
      LDFLAGS="${LDFLAGS} -L${MYSQL_LIB_DIR}"
      CPPFLAGS="${CPPFLAGS} -I${MYSQL_INC_DIR}"
      AC_CHECK_LIB(z, compress)
      LIBS="-lmysqlclient ${LIBS}"
      AC_DEFINE(HAVE_MYSQL)
    fi
  fi
else
  MYSQLLINE=""
  echo "checking for mysql support... no"
fi

dnl Check threads... ok if it fails
AC_CHECK_LIB(pthread,pthread_create,,[
       echo
       echo "Thread library not found, this may cause problems if your"
       echo "db libraries require threading support, but most of the time"
       echo "it is not an issue."
       echo
       ])

dnl Check DB
LIBS="$LIBS -ldb"
AC_RUN_IFELSE([
	#include <db.h>
	int main() 
	{
		int major, minor, patch;
		float ver;
#if DB_VERSION_MAJOR
                major = DB_VERSION_MAJOR;
                minor = DB_VERSION_MINOR;
                patch = DB_VERSION_PATCH;
#else
                db_version(&major, &minor, &patch);
#endif
		ver = major + ((float) minor / 1000);
                if (ver >= 2.006)
			exit (0);
		exit (1);
	}	
	], db_ok_version=yes, db_ok_version=no, db_ok_version=no)

if test $db_ok_version = no; then
	echo
	echo "** The Berkley DB library version 2.6.4 or newer"
	echo "   is required. Get it from http://www.oracle.com"
	echo "   use --with-db=DIR or --with-db-inc=DIR, "
	echo "   --with-db-lib=DIR to specify its location"
	echo "   (default is $dbprefix/BerkeleyDB)"
	echo 
	exit 1;
fi

AC_RUN_IFELSE([
	#include <db.h>
	int main() 
	{
		int major, minor, patch;
		float ver;
#if DB_VERSION_MAJOR
                major = DB_VERSION_MAJOR;
                minor = DB_VERSION_MINOR;
                patch = DB_VERSION_PATCH;
#else
                db_version(&major, &minor, &patch);
#endif
		ver = major + ((float) minor / 1000);
                if (ver > 2.007 && ver < 3.002)
			exit (1);
		exit (0);
	}	
	], db_ok_version=yes, db_ok_version=no, db_ok_version=no)

if test $db_ok_version = no; then
	echo
	echo "** The Berkley DB library version 3.2.* or newer"
	echo "   is required, when using 3.* versions of the library"
	echo "   Get it from http://www.oracle.com"
	echo "   use --with-db=DIR or --with-db-inc=DIR, "
	echo "   --with-db-lib=DIR to specify its location"
	echo "   (default is $dbprefix/BerkeleyDB)"
	echo 
	exit 1;
fi

AC_RUN_IFELSE([
	#include <db.h>
	int main() 
	{
		int major, minor, patch;
		float ver;
#if DB_VERSION_MAJOR
                major = DB_VERSION_MAJOR;
                minor = DB_VERSION_MINOR;
                patch = DB_VERSION_PATCH;
#else
                db_version(&major, &minor, &patch);
#endif
		ver = major + ((float) minor / 1000);
                if (ver >= 3.002)
			exit (0);
		exit (1);
	}	
	], dbg2_ok_version=yes, dbg2_ok_version=no, dbg2_ok_version=no)

if test $dbg2_ok_version = yes; then
	AC_DEFINE(DB_VERSION_GT2)
fi

AC_RUN_IFELSE([
        #include <db.h>
        int main()
        {
                int major, minor, patch;
                float ver;
#if DB_VERSION_MAJOR
                major = DB_VERSION_MAJOR;
                minor = DB_VERSION_MINOR;
                patch = DB_VERSION_PATCH;
#else
                db_version(&major, &minor, &patch);
#endif
                ver = major + ((float) minor / 1000);
                if (ver >= 4.002)
                        exit (0);
                exit (1);
        }
        ], dbg3_ok_version=yes, dbg3_ok_version=no, dbg3_ok_version=no)

if test $dbg3_ok_version = yes; then
        AC_DEFINE(DB_VERSION_GT3)
fi



dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_STRUCT_TM

dnl Checks for library functions.

AC_CHECK_FUNCS(regcomp, , AC_MSG_ERROR([No regcomp library function.]))
AC_CHECK_FUNCS(regerror, , AC_MSG_ERROR([No regerror library function.]))
AC_CHECK_FUNCS(regexec, , AC_MSG_ERROR([No regexec library function.]))
AC_CHECK_FUNCS(strdup, , AC_MSG_ERROR([No strdup library function.]))
AC_CHECK_FUNCS(strerror, , AC_MSG_ERROR([No strerror library function.]))
AC_CHECK_FUNCS(vsprintf, , AC_MSG_ERROR([No vsprintf library function.]))
AC_CHECK_FUNCS(sigaction)
AC_CHECK_FUNCS(signal)




VERSION=`pwd | sed 's%.*/squidGuard-%%'`
TESTDIR="`pwd`/test"

if test -f /bin/csh -a -f /bin/hostname -a -f /bin/domainname; then
	if test "`/bin/domainname`" = .ost.eltele.no -o "`/bin/domainname`" = .teledanmark.no; then
		FTPDIR="~ftp/pub/www/proxy/squidGuard"
		FTPDIR=`/bin/csh -fc "test -d $FTPDIR && echo $FTPDIR" 2>/dev/null | grep -v '^~'` || FTPDIR="@FTPDIR@"
		CGIFILE="~ftp/pub/www/proxy/squidGuard/contrib/squidGuard.cgi"
		CGIFILE=`/bin/csh -fc "test -f $CGIFILE && echo $CGIFILE" 2>/dev/null | grep -v '^~'` || CGI="@CGI@"
		SQUIDGUARDROBOT="~proxy/filter/robot/bin/squidGuardRobot"
		SQUIDGUARDROBOT=`/bin/csh -fc "test -f $SQUIDGUARDROBOT && echo $SQUIDGUARDROBOT" 2>/dev/null | grep -v '^~'` || SQUIDGUARDROBOT="@SQUIDGUARDROBOT@"
		SQUIDGUARDROBOTUA="~proxy/filter/robot/lib/RobotUserAgent.pm"
		SQUIDGUARDROBOTUA=`/bin/csh -fc "test -f $SQUIDGUARDROBOT && echo $SQUIDGUARDROBOTUA" 2>/dev/null | grep -v '^~'` || SQUIDGUARDROBOTUA="@SQUIDGUARDROBOTUA@"
		BLACKLISTS="$FTPDIR/contrib/blacklists.tar.gz"
		BLACKLISTS=`/bin/csh -fc "test -f $BLACKLISTS && echo $BLACKLISTS" 2>/dev/null | grep -v '^~'` || BLACKLISTS="@BLACKLISTS@"
	fi
fi


AC_SUBST(ac_n)
AC_SUBST(ac_c)
AC_SUBST(sg_config)
AC_SUBST(sg_cfgdir)
AC_SUBST(sg_logdir)
AC_SUBST(sg_dbhome)
AC_SUBST(NOLOG1)
AC_SUBST(NOLOG2)
AC_SUBST(YACCLINE)
AC_SUBST(MYSQLLINE)
AC_SUBST(squiduser)
AC_SUBST(VERSION)
AC_SUBST(PERL)
AC_SUBST(LYNX)
AC_SUBST(TESTDIR)
AC_SUBST(FTPDIR)
AC_SUBST(CGIFILE)
AC_SUBST(SQUIDGUARDROBOT)
AC_SUBST(SQUIDGUARDROBOTUA)
AC_SUBST(ROBOTEXCEPTIONS)
AC_SUBST(BLACKLISTS)

AC_OUTPUT(Makefile src/Makefile src/sgDiv.c src/sg.h src/sg.y test/Makefile test/test1.conf test/test2.conf samples/Makefile samples/sample.conf samples/squidGuard.cgi samples/squidGuard-simple.cgi samples/squidGuard-simple-de.cgi contrib/Makefile contrib/squidGuardRobot/squidGuardRobot contrib/sgclean/sgclean contrib/hostbyname/hostbyname)