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openssl addresses failed with "nonblocking operation did not complete" when the peer performed a renegotiation

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This commit is contained in:
Gerhard Rieger 2010-01-09 13:35:24 +01:00
parent 30a3ec3baa
commit 1db7a7b1f7
4 changed files with 92 additions and 4 deletions
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5
CHANGES
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@ -1,4 +1,9 @@
corrections:
socats openssl addresses failed with "nonblocking operation did not
complete" when the peer performed a renegotiation. Thanks to Benjamin
Delpy for reporting this bug.
####################### V 1.7.1.1:
corrections:

2
VERSION
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@ -1 +1 @@
"1.7.1.1"
"1.7.1.1+reneg"

82
test.sh
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@ -10048,6 +10048,88 @@ PORT=$((PORT+1))
N=$((N+1))
# socat up to 1.7.1.1 (and 2.0.0-b3) terminated with error when an openssl peer
# performed a renegotiation. Test if this is fixed.
NAME=OPENSSLRENEG1
case "$TESTS" in
*%functions%*|*%bugs%*|*%openssl%*|*%socket%*|*%$NAME%*)
TEST="$NAME: OpenSSL connections survives renogotiation"
# connect with s_client to socat ssl-l; force a renog, then transfer data. When
# data is passed the test succeeded
if ! eval $NUMCOND; then :; else
tf="$td/test$N.stdout"
te="$td/test$N.stderr"
tdiff="$td/test$N.diff"
da="test$N $(date) $RANDOM"
CMD0="$SOCAT $opts OPENSSL-LISTEN:$PORT,reuseaddr,cert=testsrv.crt,key=testsrv.key,verify=0 PIPE"
CMD1="openssl s_client -port $PORT -verify 0"
printf "test $F_n $TEST... " $N
$CMD0 >/dev/null 2>"${te}0" &
pid0=$!
waittcp4port $PORT 1
(echo "R"; sleep 1; echo "$da"; sleep 1) |$CMD1 2>"${te}1" |fgrep "$da" >"${tf}1"
rc1=$?
kill $pid0 2>/dev/null; wait
if echo "$da" |diff - ${tf}1 >"$tdiff"; then
$PRINTF "$OK\n"
numOK=$((numOK+1))
else
$PRINTF "$FAILED\n"
echo "$CMD0 &"
echo "$CMD1"
cat "${te}0"
# cat "${te}1"
cat "$tdiff"
numFAIL=$((numFAIL+1))
fi
fi # NUMCOND
;;
esac
N=$((N+1))
# socat up to 1.7.1.1 (and 2.0.0-b3) terminated with error when an openssl peer
# performed a renegotiation. The first temporary fix to this problem might
# leave socat in a blocking ssl-read state. Test if this has been fixed.
NAME=OPENSSLRENEG2
case "$TESTS" in
*%functions%*|*%bugs%*|*%openssl%*|*%socket%*|*%$NAME%*)
TEST="$NAME: OpenSSL connections do not block after renogotiation"
# connect with s_client to socat ssl-l; force a renog, then transfer data from
# socat to the peer. When data is passed this means that the former ssl read no
# longer blocks and the test succeeds
if ! eval $NUMCOND; then :; else
tf="$td/test$N.stdout"
te="$td/test$N.stderr"
tdiff="$td/test$N.diff"
da="test$N $(date) $RANDOM"
CMD0="$SOCAT $opts OPENSSL-LISTEN:$PORT,reuseaddr,cert=testsrv.crt,key=testsrv.key,verify=0 SYSTEM:\"sleep 1; echo \\\\\\\"\\\"$da\\\"\\\\\\\"; sleep 1\"!!STDIO"
CMD1="openssl s_client -port $PORT -verify 0"
printf "test $F_n $TEST... " $N
eval "$CMD0 >/dev/null 2>\"${te}0\" &"
pid0=$!
waittcp4port $PORT 1
(echo "R"; sleep 2) |$CMD1 2>"${te}1" |fgrep "$da" >"${tf}1"
rc1=$?
kill $pid0 2>/dev/null; wait
if echo "$da" |diff - ${tf}1 >"$tdiff"; then
$PRINTF "$OK\n"
numOK=$((numOK+1))
else
$PRINTF "$FAILED\n"
echo "$CMD0 &"
echo "$CMD1"
cat "${te}0"
# cat "${te}1"
cat "$tdiff"
numFAIL=$((numFAIL+1))
fi
fi # NUMCOND
;;
esac
N=$((N+1))
echo "summary: $((N-1)) tests; $numOK ok, $numFAIL failed, $numCANT could not be performed"
if [ "$numFAIL" -gt 0 ]; then

7
xio-openssl.c
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@ -1,5 +1,5 @@
/* source: xio-openssl.c */
/* Copyright Gerhard Rieger 2002-2008 */
/* Copyright Gerhard Rieger 2002-2009 */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains the implementation of the openssl addresses */
@ -1054,8 +1054,9 @@ ssize_t xioread_openssl(struct single *pipe, void *buff, size_t bufsiz) {
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_CONNECT:
case SSL_ERROR_WANT_X509_LOOKUP:
Error("nonblocking operation did not complete");
break; /*!*/
Info("nonblocking operation did not complete");
errno = EAGAIN;
return -1;
case SSL_ERROR_SYSCALL:
if (ERR_peek_error() == 0) {
if (ret == 0) {