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Diffstat (limited to '')
| -rw-r--r-- | regress/sftp-perm.sh | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/regress/sftp-perm.sh b/regress/sftp-perm.sh new file mode 100644 index 0000000..de96a14 --- /dev/null +++ b/regress/sftp-perm.sh @@ -0,0 +1,271 @@ +# $OpenBSD: sftp-perm.sh,v 1.3 2021/03/31 21:59:26 djm Exp $ +# Placed in the Public Domain. + +tid="sftp permissions" + +SERVER_LOG=${OBJ}/sftp-server.log +CLIENT_LOG=${OBJ}/sftp.log +TEST_SFTP_SERVER=${OBJ}/sftp-server.sh + +prepare_server() { + printf "#!/bin/sh\nexec $SFTPSERVER -el debug3 $* 2>$SERVER_LOG\n" \ + > $TEST_SFTP_SERVER + chmod a+x $TEST_SFTP_SERVER +} + +run_client() { + echo "$@" | ${SFTP} -D ${TEST_SFTP_SERVER} -vvvb - >$CLIENT_LOG 2>&1 +} + +prepare_files() { + _prep="$1" + rm -f ${COPY} ${COPY}.1 + test -d ${COPY}.dd && { rmdir ${COPY}.dd || fatal "rmdir ${COPY}.dd"; } + test -z "$_prep" && return + sh -c "$_prep" || fail "preparation failed: \"$_prep\"" +} + +postcondition() { + _title="$1" + _check="$2" + test -z "$_check" && return + ${TEST_SHELL} -c "$_check" || fail "postcondition check failed: $_title" +} + +ro_test() { + _desc=$1 + _cmd="$2" + _prep="$3" + _expect_success_post="$4" + _expect_fail_post="$5" + verbose "$tid: read-only $_desc" + # Plain (no options, mostly to test that _cmd is good) + prepare_files "$_prep" + prepare_server + run_client "$_cmd" || fail "plain $_desc failed" + postcondition "$_desc no-readonly" "$_expect_success_post" + # Read-only enabled + prepare_files "$_prep" + prepare_server -R + run_client "$_cmd" && fail "read-only $_desc succeeded" + postcondition "$_desc readonly" "$_expect_fail_post" +} + +perm_test() { + _op=$1 + _whitelist_ops=$2 + _cmd="$3" + _prep="$4" + _expect_success_post="$5" + _expect_fail_post="$6" + verbose "$tid: explicit $_op" + # Plain (no options, mostly to test that _cmd is good) + prepare_files "$_prep" + prepare_server + run_client "$_cmd" || fail "plain $_op failed" + postcondition "$_op no white/blacklists" "$_expect_success_post" + # Whitelist + prepare_files "$_prep" + prepare_server -p $_op,$_whitelist_ops + run_client "$_cmd" || fail "whitelisted $_op failed" + postcondition "$_op whitelisted" "$_expect_success_post" + # Blacklist + prepare_files "$_prep" + prepare_server -P $_op + run_client "$_cmd" && fail "blacklisted $_op succeeded" + postcondition "$_op blacklisted" "$_expect_fail_post" + # Whitelist with op missing. + prepare_files "$_prep" + prepare_server -p $_whitelist_ops + run_client "$_cmd" && fail "no whitelist $_op succeeded" + postcondition "$_op not in whitelist" "$_expect_fail_post" +} + +ro_test \ + "upload" \ + "put $DATA $COPY" \ + "" \ + "cmp $DATA $COPY" \ + "test ! -f $COPY" + +ro_test \ + "setstat" \ + "chmod 0700 $COPY" \ + "touch $COPY; chmod 0400 $COPY" \ + "test -x $COPY" \ + "test ! -x $COPY" + +ro_test \ + "rm" \ + "rm $COPY" \ + "touch $COPY" \ + "test ! -f $COPY" \ + "test -f $COPY" + +ro_test \ + "mkdir" \ + "mkdir ${COPY}.dd" \ + "" \ + "test -d ${COPY}.dd" \ + "test ! -d ${COPY}.dd" + +ro_test \ + "rmdir" \ + "rmdir ${COPY}.dd" \ + "mkdir ${COPY}.dd" \ + "test ! -d ${COPY}.dd" \ + "test -d ${COPY}.dd" + +ro_test \ + "posix-rename" \ + "rename $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -f ${COPY}.1 -a ! -f $COPY" \ + "test -f $COPY -a ! -f ${COPY}.1" + +ro_test \ + "oldrename" \ + "rename -l $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -f ${COPY}.1 -a ! -f $COPY" \ + "test -f $COPY -a ! -f ${COPY}.1" + +ro_test \ + "symlink" \ + "ln -s $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -h ${COPY}.1" \ + "test ! -h ${COPY}.1" + +ro_test \ + "hardlink" \ + "ln $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -f ${COPY}.1" \ + "test ! -f ${COPY}.1" + +# Test explicit permissions + +perm_test \ + "open" \ + "realpath,stat,lstat,read,close" \ + "get $DATA $COPY" \ + "" \ + "cmp $DATA $COPY" \ + "! cmp $DATA $COPY 2>/dev/null" + +perm_test \ + "read" \ + "realpath,stat,lstat,open,close" \ + "get $DATA $COPY" \ + "" \ + "cmp $DATA $COPY" \ + "! cmp $DATA $COPY 2>/dev/null" + +perm_test \ + "write" \ + "realpath,stat,lstat,open,close" \ + "put $DATA $COPY" \ + "" \ + "cmp $DATA $COPY" \ + "! cmp $DATA $COPY 2>/dev/null" + +perm_test \ + "lstat" \ + "realpath,stat,open,read,close" \ + "get $DATA $COPY" \ + "" \ + "cmp $DATA $COPY" \ + "! cmp $DATA $COPY 2>/dev/null" + +perm_test \ + "opendir" \ + "realpath,readdir,stat,lstat" \ + "ls -ln $OBJ" + +perm_test \ + "readdir" \ + "realpath,opendir,stat,lstat" \ + "ls -ln $OBJ" + +perm_test \ + "setstat" \ + "realpath,stat,lstat" \ + "chmod 0700 $COPY" \ + "touch $COPY; chmod 0400 $COPY" \ + "test -x $COPY" \ + "test ! -x $COPY" + +perm_test \ + "remove" \ + "realpath,stat,lstat" \ + "rm $COPY" \ + "touch $COPY" \ + "test ! -f $COPY" \ + "test -f $COPY" + +perm_test \ + "mkdir" \ + "realpath,stat,lstat" \ + "mkdir ${COPY}.dd" \ + "" \ + "test -d ${COPY}.dd" \ + "test ! -d ${COPY}.dd" + +perm_test \ + "rmdir" \ + "realpath,stat,lstat" \ + "rmdir ${COPY}.dd" \ + "mkdir ${COPY}.dd" \ + "test ! -d ${COPY}.dd" \ + "test -d ${COPY}.dd" + +# Can't readily test this because the client falls back to traditional rename. +# XXX maybe there is a behaviorial difference we can test for? +#perm_test \ +# "posix-rename" \ +# "realpath,stat,lstat" \ +# "rename $COPY ${COPY}.1" \ +# "touch $COPY" \ +# "test -f ${COPY}.1 -a ! -f $COPY" \ +# "test -f $COPY -a ! -f ${COPY}.1" + +perm_test \ + "rename" \ + "realpath,stat,lstat" \ + "rename -l $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -f ${COPY}.1 -a ! -f $COPY" \ + "test -f $COPY -a ! -f ${COPY}.1" + +perm_test \ + "symlink" \ + "realpath,stat,lstat" \ + "ln -s $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -h ${COPY}.1" \ + "test ! -h ${COPY}.1" + +perm_test \ + "hardlink" \ + "realpath,stat,lstat" \ + "ln $COPY ${COPY}.1" \ + "touch $COPY" \ + "test -f ${COPY}.1" \ + "test ! -f ${COPY}.1" + +perm_test \ + "statvfs" \ + "realpath,stat,lstat" \ + "df /" + +# XXX need good tests for: +# fstat +# fsetstat +# realpath +# stat +# readlink +# fstatvfs + +rm -rf ${COPY} ${COPY}.1 ${COPY}.dd + |