Upgrade to OpenSSH v9.7

.github/ci-status.md

@@ -1,4 +1,15 @@
-[![C/C++ CI](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml)
-[![C/C++ CI self-hosted](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml/badge.svg)](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml)
-[![Upstream self-hosted](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/upstream.yml/badge.svg)](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/upstream.yml)
+master :
+[![C/C++ CI](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml?query=branch:master)
+[![C/C++ CI self-hosted](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml/badge.svg)](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml?query=branch:master)
+[![Upstream self-hosted](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/upstream.yml/badge.svg)](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/upstream.yml?query=branch:master)
+[![CIFuzz](https://github.com/openssh/openssh-portable/actions/workflows/cifuzz.yml/badge.svg)](https://github.com/openssh/openssh-portable/actions/workflows/cifuzz.yml)
 [![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/openssh.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:openssh)
+[![Coverity Status](https://scan.coverity.com/projects/21341/badge.svg)](https://scan.coverity.com/projects/openssh-portable)
+
+9.4 :
+[![C/C++ CI](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml/badge.svg?branch=V_9_4)](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml?query=branch:V_9_4)
+[![C/C++ CI self-hosted](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml/badge.svg?branch=V_9_4)](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml?query=branch:V_9_4)
+
+9.3 :
+[![C/C++ CI](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml/badge.svg?branch=V_9_3)](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml?query=branch:V_9_3)
+[![C/C++ CI self-hosted](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml/badge.svg?branch=V_9_3)](https://github.com/openssh/openssh-portable-selfhosted/actions/workflows/selfhosted.yml?query=branch:V_9_3)

.github/configs

@@ -9,8 +9,13 @@
 # LTESTS
 
 config=$1
+if [ "$config" = "" ]; then
+	config="default"
+fi
+
+unset CC CFLAGS CPPFLAGS LDFLAGS LTESTS SUDO
 
-TEST_TARGET="tests"
+TEST_TARGET="tests compat-tests"
 LTESTS=""
 SKIP_LTESTS=""
 SUDO=sudo	# run with sudo by default
@@ -25,26 +30,97 @@ case "$config" in
     default|sol64)
 	;;
     c89)
+	# If we don't have LLONG_MAX, configure will figure out that it can
+	# get it by setting -std=gnu99, at which point we won't be testing
+	# C89 any more.  To avoid this, feed it in via CFLAGS.
+	llong_max=`gcc -E -dM - </dev/null | \
+	    awk '$2=="__LONG_LONG_MAX__"{print $3}'`
+	CPPFLAGS="-DLLONG_MAX=${llong_max}"
+
 	CC="gcc"
 	CFLAGS="-Wall -std=c89 -pedantic -Werror=vla"
 	CONFIGFLAGS="--without-zlib"
 	LIBCRYPTOFLAGS="--without-openssl"
 	TEST_TARGET=t-exec
 	;;
     cygwin-release)
-	CONFIGFLAGS="--with-libedit --with-xauth=/usr/bin/xauth --disable-strip --with-security-key-builtin"
+	# See https://cygwin.com/git/?p=git/cygwin-packages/openssh.git;a=blob;f=openssh.cygport;hb=HEAD
+	CONFIGFLAGS="--with-xauth=/usr/bin/xauth --with-security-key-builtin"
+	CONFIGFLAGS="$CONFIGFLAGS --with-kerberos5=/usr --with-libedit --disable-strip"
 	;;
    clang-12-Werror)
 	CC="clang-12"
 	# clang's implicit-fallthrough requires that the code be annotated with
 	# __attribute__((fallthrough)) and does not understand /* FALLTHROUGH */
-	CFLAGS="-Wall -Wextra -O2 -Wno-error=implicit-fallthrough"
+	CFLAGS="-Wall -Wextra -O2 -Wno-error=implicit-fallthrough -Wno-error=unused-parameter"
 	CONFIGFLAGS="--with-pam --with-Werror"
 	;;
+    *-sanitize-*)
+	case "$config" in
+	gcc-*)
+		CC=gcc
+		;;
+	clang-*)
+		# Find the newest available version of clang
+		for i in `seq 10 99`; do
+		    clang="`which clang-$i 2>/dev/null`"
+		    [ -x "$clang" ] && CC="$clang"
+		done
+		;;
+	esac
+	# Put Sanitizer logs in regress dir.
+	SANLOGS=`pwd`/regress
+	# - We replace chroot with chdir so that the sanitizer in the preauth
+	#   privsep process can read /proc.
+	# - clang does not recognizes explicit_bzero so we use bzero
+	#   (see https://github.com/google/sanitizers/issues/1507
+	# - openssl and zlib trip ASAN.
+	# - sp_pwdp returned by getspnam trips ASAN, hence disabling shadow.
+	case "$config" in
+	*-sanitize-address)
+	    CFLAGS="-fsanitize=address -fno-omit-frame-pointer"
+	    LDFLAGS="-fsanitize=address"
+	    CPPFLAGS='-Dchroot=chdir -Dexplicit_bzero=bzero -D_FORTIFY_SOURCE=0 -DASAN_OPTIONS=\"detect_leaks=0:log_path='$SANLOGS'/asan.log\"'
+	    CONFIGFLAGS=""
+	    TEST_TARGET="t-exec"
+	    ;;
+	clang-sanitize-memory)
+	    CFLAGS="-fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer"
+	    LDFLAGS="-fsanitize=memory"
+	    CPPFLAGS='-Dchroot=chdir -Dexplicit_bzero=bzero -DMSAN_OPTIONS=\"log_path='$SANLOGS'/msan.log\"'
+	    CONFIGFLAGS="--without-zlib --without-shadow"
+	    LIBCRYPTOFLAGS="--without-openssl"
+	    TEST_TARGET="t-exec"
+	    ;;
+	*-sanitize-undefined)
+	    CFLAGS="-fsanitize=undefined"
+	    LDFLAGS="-fsanitize=undefined"
+	    ;;
+	*)
+	     echo unknown sanitize option;
+	     exit 1;;
+	esac
+	features="--disable-security-key --disable-pkcs11"
+	hardening="--without-sandbox --without-hardening --without-stackprotect"
+	privsep="--with-privsep-user=root"
+	CONFIGFLAGS="$CONFIGFLAGS $features $hardening $privsep"
+	# Because we hobble chroot we can't test it.
+	SKIP_LTESTS=sftp-chroot
+	;;
     gcc-11-Werror)
-	CC="gcc"
+	CC="gcc-11"
+	# -Wnoformat-truncation in gcc 7.3.1 20180130 fails on fmt_scaled
+	# -Wunused-result ignores (void) so is not useful.  See
+	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425
+	CFLAGS="-O2 -Wno-format-truncation -Wimplicit-fallthrough=4 -Wno-unused-parameter -Wno-unused-result"
+	CONFIGFLAGS="--with-pam --with-Werror"
+	;;
+    gcc-12-Werror)
+	CC="gcc-12"
 	# -Wnoformat-truncation in gcc 7.3.1 20180130 fails on fmt_scaled
-	CFLAGS="-Wall -Wextra -Wno-format-truncation -O2 -Wimplicit-fallthrough=4"
+	# -Wunused-result ignores (void) so is not useful.  See
+	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425
+	CFLAGS="-O2 -Wno-format-truncation -Wimplicit-fallthrough=4 -Wno-unused-parameter -Wno-unused-result"
 	CONFIGFLAGS="--with-pam --with-Werror"
 	;;
     clang*|gcc*)
@@ -53,7 +129,7 @@ case "$config" in
     kitchensink)
 	CONFIGFLAGS="--with-kerberos5 --with-libedit --with-pam"
 	CONFIGFLAGS="${CONFIGFLAGS} --with-security-key-builtin --with-selinux"
-	CONFIGFLAGS="${CONFIGFLAGS} --with-cflags=-DSK_DEBUG"
+	CFLAGS="-DSK_DEBUG -DSANDBOX_SECCOMP_FILTER_DEBUG"
 	;;
     hardenedmalloc)
 	CONFIGFLAGS="--with-ldflags=-lhardened_malloc"
@@ -81,11 +157,25 @@ case "$config" in
 	CONFIGFLAGS="--with-pam"
 	SSHD_CONFOPTS="UsePam yes"
 	;;
+    boringssl)
+	CONFIGFLAGS="--disable-pkcs11"
+	LIBCRYPTOFLAGS="--with-ssl-dir=/opt/boringssl --with-rpath=-Wl,-rpath,"
+	;;
     libressl-*)
 	LIBCRYPTOFLAGS="--with-ssl-dir=/opt/libressl --with-rpath=-Wl,-rpath,"
 	;;
+    putty-*)
+	CONFIGFLAGS="--with-plink=/usr/local/bin/plink --with-puttygen=/usr/local/bin/puttygen"
+	# We don't need to rerun the regular tests, just the interop ones.
+	TEST_TARGET=interop-tests
+	;;
     openssl-*)
 	LIBCRYPTOFLAGS="--with-ssl-dir=/opt/openssl --with-rpath=-Wl,-rpath,"
+	# OpenSSL 1.1.1 specifically has a bug in its RNG that breaks reexec
+	# fallback.  See https://bugzilla.mindrot.org/show_bug.cgi?id=3483
+	if [ "$config" = "openssl-1.1.1" ]; then
+		SKIP_LTESTS="reexec"
+	fi
 	;;
     selinux)
 	CONFIGFLAGS="--with-selinux"
@@ -97,7 +187,7 @@ case "$config" in
 	LIBCRYPTOFLAGS="--without-openssl"
 	TEST_TARGET=t-exec
 	;;
-    valgrind-[1-4]|valgrind-unit)
+    valgrind-[1-5]|valgrind-unit)
 	# rlimit sandbox and FORTIFY_SOURCE confuse Valgrind.
 	CONFIGFLAGS="--without-sandbox --without-hardening"
 	CONFIGFLAGS="$CONFIGFLAGS --with-cppflags=-D_FORTIFY_SOURCE=0"
@@ -106,15 +196,19 @@ case "$config" in
 	export TEST_SSH_ELAPSED_TIMES
 	# Valgrind slows things down enough that the agent timeout test
 	# won't reliably pass, and the unit tests run longer than allowed
-	# by github so split into three separate tests.
-	tests2="rekey integrity try-ciphers sftp"
-	tests3="krl forward-control sshsig agent-restrict kextype"
+	# by github so split into separate tests.
+	tests2="integrity try-ciphers"
+	tests3="krl forward-control sshsig agent-restrict kextype sftp"
 	tests4="cert-userkey cert-hostkey kextype sftp-perm keygen-comment percent"
+	tests5="rekey"
 	case "$config" in
 	    valgrind-1)
-		# All tests except agent-timeout (which is flaky under valgrind)
-		#) and slow ones that run separately to increase parallelism.
-		SKIP_LTESTS="agent-timeout ${tests2} ${tests3} ${tests4}"
+		# All tests except agent-timeout (which is flaky under valgrind),
+		# connection-timeout (which doesn't work since it's so slow)
+		# and hostbased (since valgrind won't let ssh exec keysign).
+		# Slow ones are run separately to increase parallelism.
+		SKIP_LTESTS="agent-timeout connection-timeout hostbased"
+		SKIP_LTESTS="$SKIP_LTESTS ${tests2} ${tests3} ${tests4} ${tests5}"
 		;;
 	    valgrind-2)
 		LTESTS="${tests2}"
@@ -125,11 +219,18 @@ case "$config" in
 	    valgrind-4)
 		LTESTS="${tests4}"
 		;;
+	    valgrind-5)
+		LTESTS="${tests5}"
+		;;
 	    valgrind-unit)
 		TEST_TARGET="unit USE_VALGRIND=1"
 		;;
 	esac
 	;;
+    zlib-develop)
+	INSTALL_ZLIB=develop
+	CONFIGFLAGS="--with-zlib=/opt/zlib --with-rpath=-Wl,-rpath,"
+	;;
     *)
 	echo "Unknown configuration $config"
 	exit 1
@@ -139,28 +240,53 @@ esac
 # The Solaris 64bit targets are special since they need a non-flag arg.
 case "$config" in
     sol64*)
-	CONFIGFLAGS="x86_64 --with-cflags=-m64 --with-ldflags=-m64 ${CONFIGFLAGS}"
-	LIBCRYPTOFLAGS="--with-ssl-dir=/usr/local/ssl64"
+	CONFIGFLAGS="--target=x86_64 --with-cflags=-m64 --with-ldflags=-m64 ${CONFIGFLAGS}"
+	LIBCRYPTOFLAGS="--with-ssl-dir=/usr/local/ssl64 --with-rpath=-Wl,-rpath,"
 	;;
 esac
 
 case "${TARGET_HOST}" in
+    aix*)
+	CONFIGFLAGS="--disable-security-key"
+	LIBCRYPTOFLAGS="--without-openssl"
+	# These are slow real or virtual machines so skip the slowest tests
+	# (which tend to be thw ones that transfer lots of data) so that the
+	# test run does not time out.
+	# The agent-restrict test fails due to some quoting issue when run
+	# with sh or ksh so specify bash for now.
+	TEST_TARGET="t-exec unit TEST_SHELL=bash"
+	SKIP_LTESTS="rekey sftp"
+	;;
+    debian-riscv64)
+	# This machine is fairly slow, so skip the unit tests.
+	TEST_TARGET="t-exec"
+	;;
     dfly58*|dfly60*)
 	# scp 3-way connection hangs on these so skip until sorted.
 	SKIP_LTESTS=scp3
 	;;
+    fbsd6)
+	# Native linker is not great with PIC so OpenSSL is built w/out.
+	CONFIGFLAGS="${CONFIGFLAGS} --disable-security-key"
+	;;
     hurd)
 	SKIP_LTESTS="forwarding multiplex proxy-connect hostkey-agent agent-ptrace"
 	;;
     minix3)
-	LIBCRYPTOFLAGS="--without-openssl --disable-security-key"
+	CONFIGFLAGS="${CONFIGFLAGS} --disable-security-key"
+	# Unix domain sockets don't work quite like we expect, so also
+	# disable FD passing (and thus multiplexing).
+	CONFIGFLAGS="${CONFIGFLAGS} --disable-fd-passing"
+	LIBCRYPTOFLAGS="--without-openssl"
+
 	# Minix does not have a loopback interface so we have to skip any
 	# test that relies on one.
 	# Also, Minix seems to be very limited in the number of select()
 	# calls that can be operating concurrently, so prune additional tests for that.
-	T="addrmatch agent-restrict brokenkeys cfgmatch cfgmatchlisten cfgparse connect
-	    connect-uri exit-status forward-control forwarding hostkey-agent
-	    key-options keyscan knownhosts-command login-timeout multiplex
+	T="addrmatch agent-restrict brokenkeys cfgmatch cfgmatchlisten cfgparse
+	    connect connect-uri dynamic-forward exit-status forwarding
+	    forward-control
+	    hostkey-agent key-options keyscan knownhosts-command login-timeout
 	    reconfigure reexec rekey scp scp-uri scp3 sftp sftp-badcmds
 	    sftp-batch sftp-cmds sftp-glob sftp-perm sftp-uri stderr-data
 	    transfer"
@@ -173,6 +299,11 @@ case "${TARGET_HOST}" in
 	# SHA256 functions in sha2.h conflict with OpenSSL's breaking sk-dummy
 	CONFIGFLAGS="${CONFIGFLAGS} --without-hardening --disable-security-key"
 	;;
+    openwrt-*)
+	CONFIGFLAGS="${CONFIGFLAGS} --without-zlib"
+	LIBCRYPTOFLAGS="--without-openssl"
+	TEST_TARGET="t-exec"
+	;;
     sol10|sol11)
 	# sol10 VM is 32bit and the unit tests are slow.
 	# sol11 has 4 test configs so skip unit tests to speed up.
@@ -184,23 +315,50 @@ case "${TARGET_HOST}" in
 	;;
 esac
 
-# Unless specified otherwise, build without OpenSSL on Mac OS since
-# modern versions don't ship with libcrypto.
-case "`./config.guess`" in
+host=`./config.guess`
+case "$host" in
+*cygwin)
+	SUDO=""
+	# Don't run compat tests on cygwin as they don't currently compile.
+	TEST_TARGET="tests"
+	;;
 *-darwin*)
+	# Unless specified otherwise, build without OpenSSL on Mac OS since
+	# modern versions don't ship with libcrypto.
 	LIBCRYPTOFLAGS="--without-openssl"
 	TEST_TARGET=t-exec
+
+	# On some OS X runners we can't write to /var/empty.
+	CONFIGFLAGS="${CONFIGFLAGS} --with-privsep-path=/usr/local/empty"
+
+	case "$host" in
+	*-darwin22.*)
+		# sudo -S nobody doesn't work on macos 13 for some reason.
+		SKIP_LTESTS="agent-getpeereid" ;;
+	esac
 	;;
 esac
 
-# If we have a local openssl/libressl, use that.
+# Unless specifically configured, search for a suitable version of OpenSSL,
+# otherwise build without it.
 if [ -z "${LIBCRYPTOFLAGS}" ]; then
+	LIBCRYPTOFLAGS="--without-openssl"
 	# last-match
-	for i in /usr/local /usr/local/ssl /usr/local/opt/openssl; do
+	for i in /usr /usr/local /usr/local/ssl /usr/local/opt/openssl; do
+		ver="none"
 		if [ -x ${i}/bin/openssl ]; then
-			LIBCRYPTOFLAGS="--with-ssl-dir=${i}"
+			ver="$(${i}/bin/openssl version)"
 		fi
+		case "$ver" in
+			none) ;;
+			"OpenSSL 0."*|"OpenSSL 1.0."*|"OpenSSL 1.1.0"*) ;;
+			"LibreSSL 2."*|"LibreSSL 3.0."*) ;;
+			*) LIBCRYPTOFLAGS="--with-ssl-dir=${i}" ;;
+		esac
 	done
+	if [ "${LIBCRYPTOFLAGS}" = "--without-openssl" ]; then
+		TEST_TARGET="t-exec"
+	fi
 fi
 
 CONFIGFLAGS="${CONFIGFLAGS} ${LIBCRYPTOFLAGS}"
@@ -210,5 +368,5 @@ if [ -x "$(which plink 2>/dev/null)" ]; then
 	export REGRESS_INTEROP_PUTTY
 fi
 
-export CC CFLAGS LTESTS SUDO
+export CC CFLAGS CPPFLAGS LDFLAGS LTESTS SUDO
 export TEST_TARGET TEST_SSH_UNSAFE_PERMISSIONS TEST_SSH_FAIL_FATAL

.github/configure.sh

@@ -18,4 +18,4 @@ if [ "x$LDFLAGS" != "x" ]; then
 fi
 
 echo ./configure ${CONFIGFLAGS}
-./configure ${CONFIGFLAGS}
+./configure ${CONFIGFLAGS} 2>&1

.github/run_test.sh

@@ -6,8 +6,22 @@
 
 set -ex
 
+# If we want to test hostbased auth, set up the host for it.
+if [ ! -z "$SUDO" ] && [ ! -z "$TEST_SSH_HOSTBASED_AUTH" ]; then
+    sshconf=/usr/local/etc
+    hostname | $SUDO tee $sshconf/shosts.equiv >/dev/null
+    echo "EnableSSHKeysign yes" | $SUDO tee $sshconf/ssh_config >/dev/null
+    $SUDO mkdir -p $sshconf
+    $SUDO cp -p /etc/ssh/ssh_host*key* $sshconf
+    $SUDO make install
+    for key in $sshconf/ssh_host*key*.pub; do
+        echo `hostname` `cat $key` | \
+            $SUDO tee -a $sshconf/ssh_known_hosts >/dev/null
+    done
+fi
+
 output_failed_logs() {
-    for i in regress/failed*; do
+    for i in regress/failed*.log; do
         if [ -f "$i" ]; then
             echo -------------------------------------------------------------------------
             echo LOGFILE $i