4 files changed, 154 insertions, 83 deletions

diff --git a/ACKNOWLEDGEMENTS b/ACKNOWLEDGEMENTS
index a070a54..7eea869 100644
--- a/ACKNOWLEDGEMENTS
+++ b/ACKNOWLEDGEMENTS
@@ -17,5 +17,13 @@ Kompf, Martin 200-2003 Copyright the author
 http://cplus.kompf.de/macaddr.html
 Using the DLPI support on SysV systems to get the host MAC address in check_dhcp.c
 
-
+Stenberg, Daniel
+Copyright (c) 1996 - 2004, Daniel Stenberg, <daniel@haxx.se>
+http://curl.haxx.se/
+Use of duplication of macros in m4/np_curl.m4
+
+Coreutils team
+Copyright (C) 91, 1995-2004 Free Software Foundation, Inc.
+http://www.gnu.org/software/coreutils/
+Use of macros and lib files in m4/np_coreutils.m4 and lib/
 
diff --git a/configure.in b/configure.in
index 0cced59..30e4261 100644
--- a/configure.in
+++ b/configure.in
@@ -255,87 +255,6 @@ fi
 CPPFLAGS="$_SAVEDCPPFLAGS $MYSQLINCLUDE"
 LIBS="$_SAVEDLIBS"
 
-dnl Check for OpenSSL location
-AC_PATH_PROG(OPENSSL,openssl)
-if test "$OPENSSL" = "/usr/bin/openssl"; then
-  OPENSSL=/usr
-elif test "$OPENSSL" = "/usr/sbin/openssl"; then
-  OPENSSL=/usr
-elif test "$OPENSSL" = "/opt/bin/openssl"; then
-  OPENSSL=/opt
-elif test "$OPENSSL" = "/opt/openssl/bin/openssl"; then
-  OPENSSL=/opt/openssl
-elif test "$OPENSSL" = "/usr/slocal/bin/openssl"; then
-  OPENSSL=/usr/slocal
-elif test "$OPENSSL" = "/usr/local/bin/openssl"; then
-  OPENSSL=/usr/local
-elif test "$OPENSSL" = "/usr/local/ssl/bin/openssl"; then
-  OPENSSL=/usr/local/ssl
-fi
-AC_ARG_WITH(openssl,
-AC_HELP_STRING([--with-openssl=DIR], [sets path to openssl installation])
-AC_HELP_STRING([--without-openssl], [disable openssl]),
-OPENSSL=$withval)
-
-if test X"$OPENSSL" = "Xno"; then
-  AC_MSG_WARN([openssl disabled, you will not be able to use ssl options in some plugins])
-  FOUNDSSL="dontbother"
-else
-  dnl Check for OpenSSL header files
-  unset FOUNDINCLUDE
-  _SAVEDCPPFLAGS="$CPPFLAGS"
-  if test "$OPENSSL" != "/usr"; then
-    CPPFLAGS="$CPPFLAGS -I$OPENSSL/include"
-  fi
-  AC_CHECK_HEADERS(openssl/ssl.h openssl/x509.h openssl/rsa.h openssl/pem.h openssl/crypto.h openssl/err.h,
-                 SSLINCLUDE="-I$OPENSSL/include"
-                 FOUNDINCLUDE=yes,
-                 FOUNDINCLUDE=no)
-  if test "$FOUNDINCLUDE" = "no"; then
-    AC_CHECK_HEADERS(ssl.h x509.h rsa.h pem.h crypto.h err.h,
-                   SSLINCLUDE="-I$OPENSSL/include"
-                   FOUNDINCLUDE=yes,
-                   FOUNDINCLUDE=no)
-  fi
-  AC_SUBST(SSLINCLUDE)
-  if test "$FOUNDINCLUDE" = "no"; then
-    CPPFLAGS="$_SAVEDCPPFLAGS"
-  fi
-
-  dnl Check for crypto lib
-  _SAVEDLIBS="$LIBS"
-  AC_CHECK_LIB(crypto,CRYPTO_lock,,,-L$OPENSSL/lib)
-  if test "$ac_cv_lib_crypto_CRYPTO_lock" = "yes"; then
-    dnl Check for SSL lib
-    AC_CHECK_LIB(ssl,main,LDFLAGS="$LDFLAGS -L$OPENSSL/lib" SSLLIBS="-lssl -lcrypto",AC_CHECK_LIB(ssl,main,LDFLAGS="$LDFLAGS -L$OPENSSL/lib" SSLLIBS="-lssl -lcrypto"),-L$OPENSSL/lib -lcrypto)
-  fi
-  LIBS="$_SAVEDLIBS"
-
-  FOUNDSSL="no"
-  dnl test headers and libs to decide whether check_http should use SSL
-  if test "$ac_cv_lib_crypto_CRYPTO_lock" = "yes"; then
-    if test "$ac_cv_lib_ssl_main" = "yes"; then
-      if test "$FOUNDINCLUDE" = "yes"; then
-        FOUNDSSL="yes"
-      fi
-    fi
-  fi
-fi
-
-if test "$FOUNDSSL" = "yes"; then
-  check_tcp_ssl="check_simap check_spop check_jabber check_nntps"
-  AC_SUBST(check_tcp_ssl)
-  AC_SUBST(SSLLIBS)
-  AC_DEFINE(HAVE_SSL,1,[Define if SSL libraries are found])
-  with_openssl="yes"
-elif test "$FOUNDSSL" = "no"; then
-  AC_MSG_WARN([OpenSSL libs could not be found])
-  with_openssl="no"
-else
-  with_openssl="no"
-fi
-CPPFLAGS="$_SAVEDCPPFLAGS"
-
 AC_CHECK_HEADERS(unistd.h)
 
 dnl Check for AF_INET6 support - unistd.h required for Darwin
@@ -462,6 +381,7 @@ if test x"$enable_emulate_getaddrinfo" != xno ; then
 
 fi
 
+dnl Checks for Kerberos. Must come before openssl checks for Redhat EL 3
 AC_CHECK_HEADERS(krb5.h,FOUNDINCLUDE=yes,FOUNDINCLUDE=no)
 if test "$FOUNDINCLUDE" = "no"; then
   _SAVEDCPPFLAGS="$CPPFLAGS"
@@ -477,6 +397,87 @@ if test "$FOUNDINCLUDE" = "no"; then
   CPPFLAGS="$_SAVEDCPPFLAGS"
 fi
 
+dnl Check for OpenSSL location
+AC_PATH_PROG(OPENSSL,openssl)
+if test "$OPENSSL" = "/usr/bin/openssl"; then
+  OPENSSL=/usr
+elif test "$OPENSSL" = "/usr/sbin/openssl"; then
+  OPENSSL=/usr
+elif test "$OPENSSL" = "/opt/bin/openssl"; then
+  OPENSSL=/opt
+elif test "$OPENSSL" = "/opt/openssl/bin/openssl"; then
+  OPENSSL=/opt/openssl
+elif test "$OPENSSL" = "/usr/slocal/bin/openssl"; then
+  OPENSSL=/usr/slocal
+elif test "$OPENSSL" = "/usr/local/bin/openssl"; then
+  OPENSSL=/usr/local
+elif test "$OPENSSL" = "/usr/local/ssl/bin/openssl"; then
+  OPENSSL=/usr/local/ssl
+fi
+AC_ARG_WITH(openssl,
+AC_HELP_STRING([--with-openssl=DIR], [sets path to openssl installation])
+AC_HELP_STRING([--without-openssl], [disable openssl]),
+OPENSSL=$withval)
+
+if test X"$OPENSSL" = "Xno"; then
+  AC_MSG_WARN([openssl disabled, you will not be able to use ssl options in some plugins])
+  FOUNDSSL="dontbother"
+else
+  dnl Check for OpenSSL header files
+  unset FOUNDINCLUDE
+  _SAVEDCPPFLAGS="$CPPFLAGS"
+  if test "$OPENSSL" != "/usr"; then
+    CPPFLAGS="$CPPFLAGS -I$OPENSSL/include"
+  fi
+  AC_CHECK_HEADERS(openssl/ssl.h openssl/x509.h openssl/rsa.h openssl/pem.h openssl/crypto.h openssl/err.h,
+                 SSLINCLUDE="-I$OPENSSL/include"
+                 FOUNDINCLUDE=yes,
+                 FOUNDINCLUDE=no)
+  if test "$FOUNDINCLUDE" = "no"; then
+    AC_CHECK_HEADERS(ssl.h x509.h rsa.h pem.h crypto.h err.h,
+                   SSLINCLUDE="-I$OPENSSL/include"
+                   FOUNDINCLUDE=yes,
+                   FOUNDINCLUDE=no)
+  fi
+  AC_SUBST(SSLINCLUDE)
+  if test "$FOUNDINCLUDE" = "no"; then
+    CPPFLAGS="$_SAVEDCPPFLAGS"
+  fi
+
+  dnl Check for crypto lib
+  _SAVEDLIBS="$LIBS"
+  AC_CHECK_LIB(crypto,CRYPTO_lock,,,-L$OPENSSL/lib)
+  if test "$ac_cv_lib_crypto_CRYPTO_lock" = "yes"; then
+    dnl Check for SSL lib
+    AC_CHECK_LIB(ssl,main,LDFLAGS="$LDFLAGS -L$OPENSSL/lib" SSLLIBS="-lssl -lcrypto",AC_CHECK_LIB(ssl,main,LDFLAGS="$LDFLAGS -L$OPENSSL/lib" SSLLIBS="-lssl -lcrypto"),-L$OPENSSL/lib -lcrypto)
+  fi
+  LIBS="$_SAVEDLIBS"
+
+  FOUNDSSL="no"
+  dnl test headers and libs to decide whether check_http should use SSL
+  if test "$ac_cv_lib_crypto_CRYPTO_lock" = "yes"; then
+    if test "$ac_cv_lib_ssl_main" = "yes"; then
+      if test "$FOUNDINCLUDE" = "yes"; then
+        FOUNDSSL="yes"
+      fi
+    fi
+  fi
+fi
+
+if test "$FOUNDSSL" = "yes"; then
+  check_tcp_ssl="check_simap check_spop check_jabber check_nntps"
+  AC_SUBST(check_tcp_ssl)
+  AC_SUBST(SSLLIBS)
+  AC_DEFINE(HAVE_SSL,1,[Define if SSL libraries are found])
+  with_openssl="yes"
+elif test "$FOUNDSSL" = "no"; then
+  AC_MSG_WARN([OpenSSL libs could not be found])
+  with_openssl="no"
+else
+  with_openssl="no"
+fi
+CPPFLAGS="$_SAVEDCPPFLAGS"
+
 dnl
 dnl Checks for header files.
 dnl
@@ -1455,8 +1456,9 @@ AC_SUBST(DEPLIBS)
 AM_GNU_GETTEXT([no-libtool], [need-ngettext])
 AM_GNU_GETTEXT_VERSION(0.11.5)
 
-dnl External libraries
+dnl External libraries - see ACKNOWLEDGEMENTS
 np_COREUTILS
+np_CURL
 
 AC_OUTPUT(
   Makefile 
diff --git a/m4/np_curl.m4 b/m4/np_curl.m4
new file mode 100644
index 0000000..64c3db5
--- /dev/null
+++ b/m4/np_curl.m4
@@ -0,0 +1,60 @@
+dnl These are for the libs and macros from curl
+dnl Currently utilising v7.12.3
+
+dnl We use jm_ for non Autoconf macros.
+dnl m4_pattern_forbid([^np_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
+dnl m4_pattern_forbid([^jm_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
+dnl m4_pattern_forbid([^gl_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
+
+dnl These are all m4 things that need to be called
+dnl Usually in coreutils' prereq.m4, but this is a subset that we need
+AC_DEFUN([np_CURL],
+[
+  AC_REQUIRE([TYPE_SOCKLEN_T])
+])
+
+dnl Check for socklen_t: historically on BSD it is an int, and in
+dnl POSIX 1g it is a type of its own, but some platforms use different
+dnl types for the argument to getsockopt, getpeername, etc.  So we
+dnl have to test to find something that will work.
+AC_DEFUN([TYPE_SOCKLEN_T],
+[
+   AC_CHECK_TYPE([socklen_t], ,[
+      AC_MSG_CHECKING([for socklen_t equivalent])
+      AC_CACHE_VAL([curl_cv_socklen_t_equiv],
+      [
+         # Systems have either "struct sockaddr *" or
+         # "void *" as the second argument to getpeername
+         curl_cv_socklen_t_equiv=
+         for arg2 in "struct sockaddr" void; do
+            for t in int size_t unsigned long "unsigned long"; do
+               AC_TRY_COMPILE([
+                  #ifdef HAVE_SYS_TYPES_H
+                  #include <sys/types.h>
+                  #endif
+                  #ifdef HAVE_SYS_SOCKET_H
+                  #include <sys/socket.h>
+                  #endif
+
+                  int getpeername (int, $arg2 *, $t *);
+               ],[
+                  $t len;
+                  getpeername(0,0,&len);
+               ],[
+                  curl_cv_socklen_t_equiv="$t"
+                  break
+               ])
+            done
+         done
+
+         if test "x$curl_cv_socklen_t_equiv" = x; then
+            AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
+         fi
+      ])
+      AC_MSG_RESULT($curl_cv_socklen_t_equiv)
+      AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
+                        [type to use in place of socklen_t if not defined])],
+      [#include <sys/types.h>
+#include <sys/socket.h>])
+])
+
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 7075201..538f905 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -53,6 +53,7 @@ check_fping_LDADD = $(NETLIBS) popen.o
 check_game_LDADD = $(BASEOBJS) popen.o
 check_http_LDADD = $(NETLIBS) $(SSLLIBS)
 check_hpjd_LDADD = $(NETLIBS) popen.o
+check_icmp_LDADD = $(NETLIBS)
 check_ldap_LDADD = $(NETLIBS) $(LDAPLIBS)
 check_load_LDADD = $(BASEOBJS) popen.o
 check_mrtg_LDADD = $(BASEOBJS)