mirror of
https://github.com/moparisthebest/socat
synced 2024-12-21 14:38:48 -05:00
OpenSSL option compress allows to disable compression
This commit is contained in:
Gerhard Rieger
parent
9e0c4e1df5
commit
7e3386f228
4
CHANGES
4
CHANGES
@ -93,6 +93,10 @@ new features:
|
||||
|
||||
Till Maas added support for tun/tap addresses without IP address
|
||||
|
||||
added an option openssl-compress that allows to disable the compression
|
||||
feature of newer OpenSSL versions. Thanks to Michael Hanselmann for
|
||||
providing this contribution (sponsored by Google Inc.)
|
||||
|
||||
####################### V 1.7.1.3:
|
||||
|
||||
security:
|
||||
|
||||
@ -10,7 +10,7 @@ def(Filan)(0)(bf(Filan))
|
||||
def(procan)(0)(bf(procan))
|
||||
def(Procan)(0)(bf(Procan))
|
||||
|
||||
manpage(socat)(1)(Jan 2010)()()
|
||||
manpage(socat)(1)(Oct 2010)()()
|
||||
|
||||
whenhtml(
|
||||
label(CONTENTS)
|
||||
@ -2665,6 +2665,13 @@ label(OPTION_OPENSSL_FIPS)dit(bf(tt(fips)))
|
||||
This mode might require that the involved certificates are generated with a
|
||||
FIPS enabled version of openssl. Setting or clearing this option on one
|
||||
socat address affects all OpenSSL addresses of this process.
|
||||
label(OPTION_OPENSSL_COMPRESS)dit(bf(tt(compress)))
|
||||
Enable or disable the use of compression for a connection. Setting this to
|
||||
"none" disables compression, setting it to "auto" lets OpenSSL choose the best
|
||||
available algorithm supported by both parties. The default is to not touch any
|
||||
compression-related settings.
|
||||
NOTE: Requires OpenSSL 0.9.8 or higher and disabling compression with
|
||||
OpenSSL 0.9.8 affects all new connections in the process.
|
||||
enddit()
|
||||
|
||||
startdit()enddit()nl()
|
||||
|
||||
19
doc/xio.help
19
doc/xio.help
@ -1,5 +1,5 @@
|
||||
# source: xio.help
|
||||
# Copyright Gerhard Rieger 2001-2007
|
||||
# Copyright Gerhard Rieger 2001-2010
|
||||
|
||||
Operating systems:
|
||||
|
||||
@ -4610,6 +4610,23 @@ FIPS enabled version of openssl. Setting or clearing this option on one
|
||||
socat address affects all OpenSSL addresses of this process.
|
||||
|
||||
|
||||
Option: openssl-compress
|
||||
Aliases: compress
|
||||
|
||||
Type: STRING
|
||||
Option group: OPENSSL
|
||||
Phase: SPEC
|
||||
Platforms: (depends on openssl installation)
|
||||
|
||||
Enable or disable the use of compression for a connection. Setting this to
|
||||
"none" disables compression, setting it to "auto" lets OpenSSL choose the best
|
||||
available algorithm supported by both parties. The default is to not touch any
|
||||
compression-related settings.
|
||||
NOTE: Requires OpenSSL 0.9.8 or higher.
|
||||
NOTE: Disabling compression with OpenSSL 0.9.8 affects all new connections in
|
||||
the same process.
|
||||
|
||||
|
||||
===============================================================================
|
||||
Application specific address options
|
||||
|
||||
|
||||
40
sslcls.c
40
sslcls.c
@ -1,5 +1,5 @@
|
||||
/* source: sslcls.c */
|
||||
/* Copyright Gerhard Rieger 2001-2007 */
|
||||
/* Copyright Gerhard Rieger 2001-2010 */
|
||||
/* Published under the GNU General Public License V.2, see file COPYING */
|
||||
|
||||
/* explicit system call and C library trace function, for those who miss strace
|
||||
@ -315,4 +315,42 @@ int sycFIPS_mode_set(int onoff) {
|
||||
}
|
||||
#endif /* WITH_FIPS */
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
const COMP_METHOD *sycSSL_get_current_compression(SSL *ssl) {
|
||||
const COMP_METHOD *result;
|
||||
Debug1("SSL_get_current_compression(%p)", ssl);
|
||||
result = SSL_get_current_compression(ssl);
|
||||
if (result) {
|
||||
Debug1("SSL_get_current_compression() -> %p", result);
|
||||
} else {
|
||||
Debug("SSL_get_current_compression() -> NULL");
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
const COMP_METHOD *sycSSL_get_current_expansion(SSL *ssl) {
|
||||
const COMP_METHOD *result;
|
||||
Debug1("SSL_get_current_expansion(%p)", ssl);
|
||||
result = SSL_get_current_expansion(ssl);
|
||||
if (result) {
|
||||
Debug1("SSL_get_current_expansion() -> %p", result);
|
||||
} else {
|
||||
Debug("SSL_get_current_expansion() -> NULL");
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
const char *sycSSL_COMP_get_name(const COMP_METHOD *comp) {
|
||||
const char *result;
|
||||
Debug1("SSL_COMP_get_name(%p)", comp);
|
||||
result = SSL_COMP_get_name(comp);
|
||||
if (result) {
|
||||
Debug1("SSL_COMP_get_name() -> \"%s\"", result);
|
||||
} else {
|
||||
Debug("SSL_COMP_get_name() -> NULL");
|
||||
}
|
||||
return result;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* WITH_SYCLS && WITH_OPENSSL */
|
||||
|
||||
12
sslcls.h
12
sslcls.h
@ -1,5 +1,5 @@
|
||||
/* source: sslcls.h */
|
||||
/* Copyright Gerhard Rieger 2001-2007 */
|
||||
/* Copyright Gerhard Rieger 2001-2010 */
|
||||
/* Published under the GNU General Public License V.2, see file COPYING */
|
||||
|
||||
#ifndef __sslcls_h_included
|
||||
@ -49,6 +49,12 @@ BIO *sycBIO_new_file(const char *filename, const char *mode);
|
||||
|
||||
int sycFIPS_mode_set(int onoff);
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
const COMP_METHOD *sycSSL_get_current_compression(SSL *ssl);
|
||||
const COMP_METHOD *sycSSL_get_current_expansion(SSL *ssl);
|
||||
const char *sycSSL_COMP_get_name(const COMP_METHOD *comp);
|
||||
#endif
|
||||
|
||||
#endif /* WITH_OPENSSL */
|
||||
|
||||
#else /* !WITH_SYCLS */
|
||||
@ -92,6 +98,10 @@ int sycFIPS_mode_set(int onoff);
|
||||
|
||||
#define sycBIO_new_file(f,m) BIO_new_file(f,m)
|
||||
|
||||
#define sycSSL_get_current_compression(s) SSL_get_current_compression(s)
|
||||
#define sycSSL_get_current_expansion(s) SSL_get_current_expansion(s)
|
||||
#define sycSSL_COMP_get_name(c) SSL_COMP_get_name(c)
|
||||
|
||||
#endif /* WITH_OPENSSL */
|
||||
|
||||
#define sycFIPS_mode_set(o) FIPS_mode_set(o)
|
||||
|
||||
59
test.sh
59
test.sh
@ -476,6 +476,9 @@ filloptionvalues() {
|
||||
case "$OPTS" in
|
||||
*,egd,*) OPTS=$(echo "$OPTS" |sed "s/,egd,/,egd=/tmp/hugo,/g");;
|
||||
esac
|
||||
case "$OPTS" in
|
||||
*,compress,*) OPTS=$(echo "$OPTS" |sed "s/,compress,/,compress=none,/g");;
|
||||
esac
|
||||
# PROXY
|
||||
case "$OPTS" in
|
||||
*,proxyauth,*) OPTS=$(echo "$OPTS" |sed "s/,proxyauth,/,proxyauth=user:pass,/g");;
|
||||
@ -3981,6 +3984,62 @@ PORT=$((PORT+1))
|
||||
N=$((N+1))
|
||||
|
||||
|
||||
NAME=OPENSSL_COMPRESS
|
||||
case "$TESTS" in
|
||||
*%functions%*|*%openssl%*|*%tcp%*|*%tcp4%*|*%ip4%*|*%$NAME%*)
|
||||
TEST="$NAME: OpenSSL compression"
|
||||
if ! eval $NUMCOND; then :;
|
||||
elif ! testaddrs openssl >/dev/null; then
|
||||
$PRINTF "test $F_n $TEST... ${YELLOW}OPENSSL not available${NORMAL}\n" $N
|
||||
numCANT=$((numCANT+1))
|
||||
elif ! testaddrs listen tcp ip4 >/dev/null || ! runsip4 >/dev/null; then
|
||||
$PRINTF "test $F_n $TEST... ${YELLOW}TCP/IPv4 not available${NORMAL}\n" $N
|
||||
numCANT=$((numCANT+1))
|
||||
elif ! testoptions openssl-compress >/dev/null; then
|
||||
$PRINTF "test $F_n $TEST... ${YELLOW}OPENSSL compression option not available${NORMAL}\n" $N
|
||||
numCANT=$((numCANT+1))
|
||||
else
|
||||
gentestcert testsrv
|
||||
printf "test $F_n $TEST... " $N
|
||||
tf="$td/test$N.stdout"
|
||||
te="$td/test$N.stderr"
|
||||
tdiff="$td/test$N.diff"
|
||||
da="test$N $(date) $RANDOM"
|
||||
success=yes
|
||||
for srccompr in '' compress=auto compress=none; do
|
||||
for dstcompr in '' compress=auto compress=none; do
|
||||
CMD2="$SOCAT $opts OPENSSL-LISTEN:$PORT,pf=ip4,reuseaddr,$SOCAT_EGD,cert=testsrv.crt,key=testsrv.key,verify=0,$dstcompr pipe"
|
||||
CMD="$SOCAT $opts - openssl:$LOCALHOST:$PORT,pf=ip4,verify=0,$SOCAT_EGD,$srccompr"
|
||||
eval "$CMD2 2>\"${te}1\" &"
|
||||
pid=$! # background process id
|
||||
waittcp4port $PORT
|
||||
echo "$da" | $CMD >$tf 2>"${te}2"
|
||||
kill $pid 2>/dev/null
|
||||
if ! echo "$da" |diff - "$tf" >"$tdiff"; then
|
||||
success=
|
||||
break
|
||||
fi
|
||||
done
|
||||
done
|
||||
if test -z "$success"; then
|
||||
$PRINTF "$FAILED: $SOCAT:\n"
|
||||
echo "$CMD2 &"
|
||||
echo "$CMD"
|
||||
cat "${te}1"
|
||||
cat "${te}2"
|
||||
cat "$tdiff"
|
||||
numFAIL=$((numFAIL+1))
|
||||
else
|
||||
$PRINTF "$OK\n"
|
||||
if [ -n "$debug" ]; then cat "${te}1" "${te}2"; fi
|
||||
numOK=$((numOK+1))
|
||||
fi
|
||||
fi ;; # NUMCOND, feats
|
||||
esac
|
||||
PORT=$((PORT+1))
|
||||
N=$((N+1))
|
||||
|
||||
|
||||
NAME=SOCKS4CONNECT_TCP4
|
||||
case "$TESTS" in
|
||||
*%functions%*|*%socks%*|*%socks4%*|*%tcp%*|*%tcp4%*|*%ip4%*|*%$NAME%*)
|
||||
|
||||
@ -104,6 +104,9 @@ const struct optdesc opt_openssl_cafile = { "openssl-cafile", "cafile",
|
||||
const struct optdesc opt_openssl_capath = { "openssl-capath", "capath", OPT_OPENSSL_CAPATH, GROUP_OPENSSL, PH_SPEC, TYPE_FILENAME, OFUNC_SPEC };
|
||||
const struct optdesc opt_openssl_egd = { "openssl-egd", "egd", OPT_OPENSSL_EGD, GROUP_OPENSSL, PH_SPEC, TYPE_FILENAME, OFUNC_SPEC };
|
||||
const struct optdesc opt_openssl_pseudo = { "openssl-pseudo", "pseudo", OPT_OPENSSL_PSEUDO, GROUP_OPENSSL, PH_SPEC, TYPE_BOOL, OFUNC_SPEC };
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
const struct optdesc opt_openssl_compress = { "openssl-compress", "compress", OPT_OPENSSL_COMPRESS, GROUP_OPENSSL, PH_SPEC, TYPE_STRING, OFUNC_SPEC };
|
||||
#endif
|
||||
#if WITH_FIPS
|
||||
const struct optdesc opt_openssl_fips = { "openssl-fips", "fips", OPT_OPENSSL_FIPS, GROUP_OPENSSL, PH_SPEC, TYPE_BOOL, OFUNC_SPEC };
|
||||
#endif
|
||||
@ -134,6 +137,24 @@ int xio_reset_fips_mode(void) {
|
||||
#define xio_reset_fips_mode() 0
|
||||
#endif
|
||||
|
||||
static void openssl_conn_loginfo(SSL *ssl) {
|
||||
Notice1("SSL connection using %s", SSL_get_cipher(ssl));
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
{
|
||||
const COMP_METHOD *comp, *expansion;
|
||||
|
||||
comp = sycSSL_get_current_compression(ssl);
|
||||
expansion = sycSSL_get_current_expansion(ssl);
|
||||
|
||||
Notice1("SSL connection compression \"%s\"",
|
||||
comp?sycSSL_COMP_get_name(comp):"none");
|
||||
Notice1("SSL connection expansion \"%s\"",
|
||||
expansion?sycSSL_COMP_get_name(expansion):"none");
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/* the open function for OpenSSL client */
|
||||
static int
|
||||
xioopen_openssl_connect(int argc,
|
||||
@ -304,7 +325,7 @@ static int
|
||||
break;
|
||||
} while (true); /* drop out on success */
|
||||
|
||||
Notice1("SSL connection using %s", SSL_get_cipher(xfd->para.openssl.ssl));
|
||||
openssl_conn_loginfo(xfd->para.openssl.ssl);
|
||||
|
||||
/* fill in the fd structure */
|
||||
return STAT_OK;
|
||||
@ -501,8 +522,7 @@ static int
|
||||
return result;
|
||||
}
|
||||
|
||||
Notice1("SSL connection using %s",
|
||||
SSL_get_cipher(xfd->para.openssl.ssl));
|
||||
openssl_conn_loginfo(xfd->para.openssl.ssl);
|
||||
break;
|
||||
|
||||
} /* drop out on success */
|
||||
@ -606,6 +626,59 @@ int _xioopen_openssl_listen(struct single *xfd,
|
||||
#endif /* WITH_LISTEN */
|
||||
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
/* In OpenSSL 0.9.7 compression methods could be added using
|
||||
* SSL_COMP_add_compression_method(3), but the implemntation is not compatible
|
||||
* with the standard (RFC3749).
|
||||
*/
|
||||
static int openssl_setup_compression(SSL_CTX *ctx, char *method)
|
||||
{
|
||||
STACK_OF(SSL_COMP)* comp_methods;
|
||||
|
||||
assert(method);
|
||||
|
||||
/* Getting the stack of compression methods has the intended side-effect of
|
||||
* initializing the SSL library's compression part.
|
||||
*/
|
||||
comp_methods = SSL_COMP_get_compression_methods();
|
||||
if (!comp_methods) {
|
||||
Info("OpenSSL built without compression support");
|
||||
return STAT_OK;
|
||||
}
|
||||
|
||||
if (strcasecmp(method, "auto") == 0) {
|
||||
Info("Using default OpenSSL compression");
|
||||
return STAT_OK;
|
||||
}
|
||||
|
||||
if (strcasecmp(method, "none") == 0) {
|
||||
/* Disable compression */
|
||||
#ifdef SSL_OP_NO_COMPRESSION
|
||||
Info("Disabling OpenSSL compression");
|
||||
SSL_CTX_set_options(ctx, SSL_OP_NO_COMPRESSION);
|
||||
#else
|
||||
/* SSL_OP_NO_COMPRESSION was only introduced in OpenSSL 0.9.9 (released
|
||||
* as 1.0.0). Removing all compression methods is a work-around for
|
||||
* earlier versions of OpenSSL, but it affects all SSL connections.
|
||||
*/
|
||||
Info("Disabling OpenSSL compression globally");
|
||||
sk_SSL_COMP_zero(comp_methods);
|
||||
#endif
|
||||
return STAT_OK;
|
||||
}
|
||||
|
||||
/* zlib compression in OpenSSL before version 0.9.8e-beta1 uses the libc's
|
||||
* default malloc/free instead of the ones passed to OpenSSL. Should socat
|
||||
* ever use custom malloc/free functions for OpenSSL, this must be taken
|
||||
* into consideration. See OpenSSL bug #1468.
|
||||
*/
|
||||
|
||||
Error1("openssl-compress=\"%s\": unknown compression method", method);
|
||||
return STAT_NORETRY;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
int
|
||||
_xioopen_openssl_prepare(struct opt *opts,
|
||||
struct single *xfd,/* a xio file descriptor
|
||||
@ -625,6 +698,9 @@ int
|
||||
char *opt_cafile = NULL; /* certificate authority file */
|
||||
char *opt_capath = NULL; /* certificate authority directory */
|
||||
char *opt_egd = NULL; /* entropy gathering daemon socket path */
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
char *opt_compress = NULL; /* compression method */
|
||||
#endif
|
||||
bool opt_pseudo = false; /* use pseudo entropy if nothing else */
|
||||
unsigned long err;
|
||||
int result;
|
||||
@ -642,6 +718,9 @@ int
|
||||
retropt_string(opts, OPT_OPENSSL_DHPARAM, &opt_dhparam);
|
||||
retropt_string(opts, OPT_OPENSSL_EGD, &opt_egd);
|
||||
retropt_bool(opts,OPT_OPENSSL_PSEUDO, &opt_pseudo);
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
retropt_string(opts, OPT_OPENSSL_COMPRESS, &opt_compress);
|
||||
#endif
|
||||
|
||||
#if WITH_FIPS
|
||||
if (opt_fips) {
|
||||
@ -783,6 +862,16 @@ int
|
||||
}
|
||||
}
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
if (opt_compress) {
|
||||
int result;
|
||||
result = openssl_setup_compression(*ctx, opt_compress);
|
||||
if (result != STAT_OK) {
|
||||
return result;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (opt_cafile != NULL || opt_capath != NULL) {
|
||||
if (sycSSL_CTX_load_verify_locations(*ctx, opt_cafile, opt_capath) != 1) {
|
||||
int result;
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* source: xio-openssl.h */
|
||||
/* Copyright Gerhard Rieger 2002-2007 */
|
||||
/* Copyright Gerhard Rieger 2002-2010 */
|
||||
/* Published under the GNU General Public License V.2, see file COPYING */
|
||||
|
||||
#ifndef __xio_openssl_included
|
||||
@ -23,6 +23,9 @@ extern const struct optdesc opt_openssl_cafile;
|
||||
extern const struct optdesc opt_openssl_capath;
|
||||
extern const struct optdesc opt_openssl_egd;
|
||||
extern const struct optdesc opt_openssl_pseudo;
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
extern const struct optdesc opt_openssl_compress;
|
||||
#endif
|
||||
#if WITH_FIPS
|
||||
extern const struct optdesc opt_openssl_fips;
|
||||
#endif
|
||||
|
||||
@ -293,6 +293,9 @@ const struct optname optionnames[] = {
|
||||
#if WITH_EXT2 && defined(EXT2_COMPR_FL)
|
||||
IF_ANY ("compr", &opt_ext2_compr)
|
||||
#endif
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
IF_OPENSSL("compress", &opt_openssl_compress)
|
||||
#endif
|
||||
#ifdef TCP_CONN_ABORT_THRESHOLD /* HP_UX */
|
||||
IF_TCP ("conn-abort-threshold", &opt_tcp_conn_abort_threshold)
|
||||
#endif
|
||||
@ -1085,6 +1088,9 @@ const struct optname optionnames[] = {
|
||||
IF_OPENSSL("openssl-capath", &opt_openssl_capath)
|
||||
IF_OPENSSL("openssl-certificate", &opt_openssl_certificate)
|
||||
IF_OPENSSL("openssl-cipherlist", &opt_openssl_cipherlist)
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x00908000L
|
||||
IF_OPENSSL("openssl-compress", &opt_openssl_compress)
|
||||
#endif
|
||||
IF_OPENSSL("openssl-dhparam", &opt_openssl_dhparam)
|
||||
IF_OPENSSL("openssl-egd", &opt_openssl_egd)
|
||||
#if WITH_FIPS
|
||||
|
||||
Loading…
Reference in New Issue
Block a user