Signed-off-by: Alon Bar-Lev <alon.bar...@gmail.com>
---
configure.ac | 101 ++++++++++++++++++++---------------------
doc/doxygen/doc_compression.h | 2 +-
src/openvpn/Makefile.am | 2 +
src/openvpn/forward.c | 4 +-
src/openvpn/init.c | 14 +++---
src/openvpn/lzo.c | 4 +-
src/openvpn/lzo.h | 13 +++--
src/openvpn/openvpn.h | 4 +-
src/openvpn/options.c | 18 +++++---
src/openvpn/options.h | 2 +-
src/openvpn/sig.c | 2 +-
11 files changed, 86 insertions(+), 80 deletions(-)
diff --git a/configure.ac b/configure.ac
index 71788c7..5a4f8b1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,9 +40,9 @@ AC_USE_SYSTEM_EXTENSIONS
AC_ARG_ENABLE(
[lzo],
- [AS_HELP_STRING([--disable-lzo], [disable LZO compression support])],
+ [AS_HELP_STRING([--enable-lzo], [enable LZO compression support])],
,
- [enable_lzo="yes"]
+ [enable_lzo="no"]
)
AC_ARG_ENABLE(
@@ -240,19 +240,6 @@ AC_ARG_WITH(
)
AC_ARG_WITH(
- [lzo-headers],
- [AS_HELP_STRING([--with-lzo-headers=DIR], [LZO Include files
location])],
- [LZO_HDR_DIR="$withval"]
- [CPPFLAGS="$CPPFLAGS -I$withval"]
-)
-
-AC_ARG_WITH(
- [lzo-lib],
- [AS_HELP_STRING([--with-lzo-lib=DIR], [LZO Library location])],
- [LDFLAGS="$LDFLAGS -L$withval"]
-)
-
-AC_ARG_WITH(
[mem-check],
[AS_HELP_STRING([--with-mem-check=TYPE], [build with debug memory
checking, TYPE=dmalloc|valgrind|ssl])],
,
@@ -650,41 +637,44 @@ case "${with_mem_check}" in
;;
esac
-dnl
-dnl check for LZO library
-dnl
-if test "${enable_lzo}" = "yes" && test "${enable_lzo_stub}" = "no"; then
- LZO_H=""
- AC_CHECKING([for LZO Library and Header files])
- AC_CHECK_HEADER(lzo/lzo1x.h,
- [ LZO_H="2"
- lzolibs="lzo2 lzo"
- AC_DEFINE(LZO_HEADER_DIR, 1, [Use lzo/ directory prefix for LZO
header files (for LZO 2.0)])
- ],
- [ AC_CHECK_HEADER(lzo1x.h, [ LZO_H="1" ; lzolibs=lzo ]) ]
- )
-
- if test -n "$LZO_H"; then
- havelzolib=0
- for i in $lzolibs ; do
- if test $havelzolib = 1 ; then break ; fi
- AC_CHECK_LIB($i, lzo1x_1_15_compress,
- [
- LIBS="${LIBS} -l$i"
- AC_DEFINE(USE_LZO, 1, [Use LZO compression library])
- AC_DEFINE_UNQUOTED(LZO_VERSION_NUM, "$LZO_H", [LZO version number])
- havelzolib=1
- ]
- )
- done
- if test $havelzolib = 0 ; then
- AC_MSG_ERROR([LZO headers were found but LZO library was not found])
- fi
- else
- AC_MSG_RESULT([LZO headers were not found])
- AC_MSG_RESULT([LZO library available from
http://www.oberhumer.com/opensource/lzo/])
- AC_MSG_ERROR([Or try ./configure --disable-lzo OR ./configure
--enable-lzo-stub])
- fi
+AC_ARG_VAR([LZO_CFLAGS], [C compiler flags for lzo])
+AC_ARG_VAR([LZO_LIBS], [linker flags for lzo])
+have_lzo="yes"
+if test -z "${LZO_LIBS}"; then
+ AC_CHECK_LIB(
+ [lzo2],
+ [lzo1x_1_15_compress],
+ [LZO_LIBS="-llzo2"],
+ [AC_CHECK_LIB(
+ [lzo],
+ [lzo1x_1_15_compress],
+ [LZO_LIBS="-llzo"],
+ [have_lzo="no"]
+ )]
+ )
+fi
+if test "${have_lzo}" = "yes"; then
+ saved_CFLAGS="${CFLAGS}"
+ CFLAGS="${CFLAGS} ${LZO_CFLAGS}"
+ AC_CHECK_HEADERS(
+ [lzo/lzoutil.h],
+ ,
+ [AC_CHECK_HEADERS(
+ [lzoutil.h],
+ ,
+ [AC_MSG_ERROR([lzoutil.h is missing])]
+ )]
+ )
+ AC_CHECK_HEADERS(
+ [lzo/lzo1x.h],
+ ,
+ [AC_CHECK_HEADERS(
+ [lzo1x.h],
+ ,
+ [AC_MSG_ERROR([lzo1x.h is missing])]
+ )]
+ )
+ CFLAGS="${saved_CFLAGS}"
fi
PKG_CHECK_MODULES(
@@ -839,11 +829,16 @@ if test "${enable_selinux}" = "yes"; then
AC_DEFINE([ENABLE_SELINUX], [1], [SELinux support])
fi
+if test "${enable_lzo}" = "yes"; then
+ test "${have_lzo}" != "yes" && AC_MSG_ERROR([lzo enabled but missing])
+ OPTIONAL_LZO_CFLAGS="${LZO_CFLAGS}"
+ OPTIONAL_LZO_LIBS="${LZO_LIBS}"
+ AC_DEFINE([ENABLE_LZO], [1], [Enable LZO compression library])
+fi
if test "${enable_lzo_stub}" = "yes"; then
test "${enable_lzo}" = "yes" && AC_MSG_ERROR([Cannot have both lzo stub
and lzo enabled])
AC_DEFINE([ENABLE_LZO_STUB], [1], [Enable LZO stub capability])
- AC_DEFINE([USE_LZO], [1], [Enable LZO compression library])
- AC_DEFINE([LZO_VERSION_NUM], ["STUB"], [LZO version number])
+ AC_DEFINE([ENABLE_LZO], [1], [Enable LZO compression library])
fi
if test "${enable_pkcs11}" = "yes"; then
@@ -881,6 +876,8 @@ AC_SUBST([TAP_WIN_MIN_MINOR])
AC_SUBST([OPTIONAL_DL_LIBS])
AC_SUBST([OPTIONAL_SELINUX_LIBS])
+AC_SUBST([OPTIONAL_LZO_CFLAGS])
+AC_SUBST([OPTIONAL_LZO_LIBS])
AC_SUBST([OPTIONAL_PKCS11_HELPER_CFLAGS])
AC_SUBST([OPTIONAL_PKCS11_HELPER_LIBS])
diff --git a/doc/doxygen/doc_compression.h b/doc/doxygen/doc_compression.h
index c28c0b6..bdc4a7e 100644
--- a/doc/doxygen/doc_compression.h
+++ b/doc/doxygen/doc_compression.h
@@ -68,7 +68,7 @@
*
* @par Settings that control this module's activity
* Whether or not the Data Channel Compression module is active depends on
- * the compile-time \c USE_LZO preprocessor macro and the runtime flags
+ * the compile-time \c ENABLE_LZO preprocessor macro and the runtime flags
* stored in \c lzo_compress_workspace.flags of the associated VPN tunnel.
* The latter are initialized from \c options.lzo, which gets its value
* from the process's configuration sources, such as its configuration
diff --git a/src/openvpn/Makefile.am b/src/openvpn/Makefile.am
index 102860e..79016c3 100644
--- a/src/openvpn/Makefile.am
+++ b/src/openvpn/Makefile.am
@@ -17,6 +17,7 @@ MAINTAINERCLEANFILES = \
INCLUDES = -I$(top_srcdir)/include
AM_CFLAGS = \
+ $(OPTIONAL_LZO_CFLAGS) \
$(OPTIONAL_PKCS11_HELPER_CFLAGS)
sbin_PROGRAMS = openvpn
@@ -100,6 +101,7 @@ openvpn_SOURCES = \
cryptoapi.h cryptoapi.c
openvpn_LDADD = \
$(SOCKETS_LIBS) \
+ $(OPTIONAL_LZO_LIBS) \
$(OPTIONAL_PKCS11_HELPER_LIBS) \
$(OPTIONAL_SELINUX_LIBS) \
$(OPTIONAL_DL_LIBS)
diff --git a/src/openvpn/forward.c b/src/openvpn/forward.c
index ace7d2a..46bbfe7 100644
--- a/src/openvpn/forward.c
+++ b/src/openvpn/forward.c
@@ -438,7 +438,7 @@ encrypt_sign (struct context *c, bool comp_frag)
if (comp_frag)
{
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
/* Compress the packet. */
if (lzo_defined (&c->c2.lzo_compwork))
lzo_compress (&c->c2.buf, b->lzo_compress_buf, &c->c2.lzo_compwork,
&c->c2.frame);
@@ -840,7 +840,7 @@ process_incoming_link (struct context *c)
fragment_incoming (c->c2.fragment, &c->c2.buf, &c->c2.frame_fragment);
#endif
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
/* decompress the incoming packet */
if (lzo_defined (&c->c2.lzo_compwork))
lzo_decompress (&c->c2.buf, c->c2.buffers->lzo_decompress_buf,
&c->c2.lzo_compwork, &c->c2.frame);
diff --git a/src/openvpn/init.c b/src/openvpn/init.c
index f2faef3..c3a2c58 100644
--- a/src/openvpn/init.c
+++ b/src/openvpn/init.c
@@ -1789,7 +1789,7 @@ do_deferred_options (struct context *c, const unsigned
int found)
}
#endif
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
if (found & OPT_P_COMP)
{
if (lzo_defined (&c->c2.lzo_compwork))
@@ -2368,7 +2368,7 @@ do_init_crypto (struct context *c, const unsigned int
flags)
static void
do_init_frame (struct context *c)
{
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
/*
* Initialize LZO compression library.
*/
@@ -2391,7 +2391,7 @@ do_init_frame (struct context *c)
lzo_adjust_frame_parameters (&c->c2.frame_fragment_omit); /* omit
LZO frame delta from final frame_fragment */
#endif
}
-#endif /* USE_LZO */
+#endif /* ENABLE_LZO */
#ifdef ENABLE_SOCKS
/*
@@ -2562,7 +2562,7 @@ init_context_buffers (const struct frame *frame)
b->decrypt_buf = alloc_buf (BUF_SIZE (frame));
#endif
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
b->lzo_compress_buf = alloc_buf (BUF_SIZE (frame));
b->lzo_decompress_buf = alloc_buf (BUF_SIZE (frame));
#endif
@@ -2579,7 +2579,7 @@ free_context_buffers (struct context_buffers *b)
free_buf (&b->read_tun_buf);
free_buf (&b->aux_buf);
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
free_buf (&b->lzo_compress_buf);
free_buf (&b->lzo_decompress_buf);
#endif
@@ -3417,7 +3417,7 @@ init_instance (struct context *c, const struct env_set
*env, const unsigned int
goto sig;
}
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
/* initialize LZO compression library. */
if ((options->lzo & LZO_SELECTED) && (c->mode == CM_P2P || child))
lzo_compress_init (&c->c2.lzo_compwork, options->lzo);
@@ -3534,7 +3534,7 @@ close_instance (struct context *c)
/* if xinetd/inetd mode, don't allow restart */
do_close_check_if_restart_permitted (c);
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
if (lzo_defined (&c->c2.lzo_compwork))
lzo_compress_uninit (&c->c2.lzo_compwork);
#endif
diff --git a/src/openvpn/lzo.c b/src/openvpn/lzo.c
index ca06f71..4becd4d 100644
--- a/src/openvpn/lzo.c
+++ b/src/openvpn/lzo.c
@@ -28,7 +28,7 @@
#include "syshead.h"
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
#include "lzo.h"
#include "error.h"
@@ -301,4 +301,4 @@ void lzo_print_stats (const struct lzo_compress_workspace
*lzo_compwork, struct
#else
static void dummy(void) {}
-#endif /* USE_LZO */
+#endif /* ENABLE_LZO */
diff --git a/src/openvpn/lzo.h b/src/openvpn/lzo.h
index da4bd88..472204d 100644
--- a/src/openvpn/lzo.h
+++ b/src/openvpn/lzo.h
@@ -32,7 +32,7 @@
*/
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
/**
* @addtogroup compression
@@ -40,11 +40,14 @@
*/
#ifndef ENABLE_LZO_STUB
-#ifdef LZO_HEADER_DIR
+#if defined(HAVE_LZO_LZOUTIL_H)
#include "lzo/lzoutil.h"
-#include "lzo/lzo1x.h"
-#else
+#elif defined(HAVE_LZOUTIL_H)
#include "lzoutil.h"
+#endif
+#if defined(HAVE_LZO_LZO1X_H)
+#include "lzo/lzo1x.h"
+#elif defined(HAVE_LZO1X_H)
#include "lzo1x.h"
#endif
#endif
@@ -340,5 +343,5 @@ lzo_defined (const struct lzo_compress_workspace *lzowork)
/** @} addtogroup compression */
-#endif /* USE_LZO */
+#endif /* ENABLE_LZO */
#endif
diff --git a/src/openvpn/openvpn.h b/src/openvpn/openvpn.h
index a07b03f..5af422e 100644
--- a/src/openvpn/openvpn.h
+++ b/src/openvpn/openvpn.h
@@ -105,7 +105,7 @@ struct context_buffers
#endif
/* workspace buffers for LZO compression */
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
struct buffer lzo_compress_buf;
struct buffer lzo_decompress_buf;
#endif
@@ -372,7 +372,7 @@ struct context_2
#endif /* USE_CRYPTO */
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
struct lzo_compress_workspace lzo_compwork;
/**< Compression workspace used by the
* \link compression Data Channel
diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index ff5bf08..45d2876 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -75,8 +75,12 @@ const char title_string[] =
#endif /* defined(USE_POLARSSL) */
#endif /* USE_SSL */
#endif /* USE_CRYPTO */
-#ifdef USE_LZO
- " [LZO" LZO_VERSION_NUM "]"
+#ifdef ENABLE_LZO
+#ifdef ENABLE_LZO_STUB
+ " [LZO (STUB)]"
+#else
+ " [LZO]"
+#endif
#endif
#if EPOLL
" [EPOLL]"
@@ -354,7 +358,7 @@ static const char usage_message[] =
#ifdef ENABLE_DEBUG
"--gremlin mask : Special stress testing mode (for debugging only).\n"
#endif
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
"--comp-lzo : Use fast LZO compression -- may add up to 1 byte per\n"
" packet for uncompressible data.\n"
"--comp-noadapt : Don't use adaptive compression when --comp-lzo\n"
@@ -1512,7 +1516,7 @@ show_settings (const struct options *o)
SHOW_BOOL (fast_io);
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
SHOW_INT (lzo);
#endif
@@ -2954,7 +2958,7 @@ options_string (const struct options *o,
tt = NULL;
}
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
if (o->lzo & LZO_SELECTED)
buf_printf (&out, ",comp-lzo");
#endif
@@ -6180,7 +6184,7 @@ add_option (struct options *options,
options->passtos = true;
}
#endif
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
else if (streq (p[0], "comp-lzo"))
{
VERIFY_PERMISSION (OPT_P_COMP);
@@ -6206,7 +6210,7 @@ add_option (struct options *options,
VERIFY_PERMISSION (OPT_P_COMP);
options->lzo &= ~LZO_ADAPTIVE;
}
-#endif /* USE_LZO */
+#endif /* ENABLE_LZO */
#ifdef USE_CRYPTO
else if (streq (p[0], "show-ciphers"))
{
diff --git a/src/openvpn/options.h b/src/openvpn/options.h
index 57b88b7..87fea48 100644
--- a/src/openvpn/options.h
+++ b/src/openvpn/options.h
@@ -343,7 +343,7 @@ struct options
/* optimize TUN/TAP/UDP writes */
bool fast_io;
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
/* LZO_x flags from lzo.h */
unsigned int lzo;
#endif
diff --git a/src/openvpn/sig.c b/src/openvpn/sig.c
index df8035e..924a343 100644
--- a/src/openvpn/sig.c
+++ b/src/openvpn/sig.c
@@ -255,7 +255,7 @@ print_status (const struct context *c, struct status_output
*so)
status_printf (so, "TCP/UDP read bytes," counter_format,
c->c2.link_read_bytes);
status_printf (so, "TCP/UDP write bytes," counter_format,
c->c2.link_write_bytes);
status_printf (so, "Auth read bytes," counter_format,
c->c2.link_read_bytes_auth);
-#ifdef USE_LZO
+#ifdef ENABLE_LZO
if (lzo_defined (&c->c2.lzo_compwork))
lzo_print_stats (&c->c2.lzo_compwork, so);
#endif
--
1.7.3.4
