#!/bin/bash
#
-# Copyright (C) - 2012 Christian Babeux <christian.babeux@efficios.com>
+# Copyright (C) 2012 Christian Babeux <christian.babeux@efficios.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License, version 2 only, as
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
-LTTNG_BIN="lttng"
SESSION_NAME="filter-invalid"
EVENT_NAME="bogus"
ENABLE_EVENT_STDERR="/tmp/invalid-filters-stderr"
TRACE_PATH=$(mktemp -d)
-NUM_TESTS=146
+NUM_GLOBAL_TESTS=2
+NUM_UST_TESTS=135
+NUM_KERNEL_TESTS=135
+NUM_TESTS=$(($NUM_UST_TESTS+$NUM_KERNEL_TESTS+$NUM_GLOBAL_TESTS))
source $TESTDIR/utils/utils.sh
-function enable_ust_lttng_event_filter
+function enable_lttng_event_filter
{
- sess_name="$1"
- event_name="$2"
- filter="$3"
+ domain="$1"
+ sess_name="$2"
+ event_name="$3"
+ filter="$4"
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name \
+ $domain --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null
# Enable must fail
if [ $? -eq 0 ]; then
function test_invalid_filter
{
- test_invalid_filter="$1"
+ domain="$1"
+ test_invalid_filter="$2"
diag "Test filter expression with invalid filter"
diag "Filter: $test_invalid_filter"
# Create session
- create_lttng_session $SESSION_NAME $TRACE_PATH
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
# Apply filter
- enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME "$test_invalid_filter"
+ enable_lttng_event_filter $domain $SESSION_NAME $EVENT_NAME "$test_invalid_filter"
# Destroy session
- destroy_lttng_session $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
}
function test_bytecode_limit
{
+ domain="$1"
+
# Current bytecode limitation is 65536 bytes long.
# Generate a huge bytecode with some perl-fu
BYTECODE_LIMIT=`perl -e 'print "intfield" . " && 1" x5460'`
diag "Test filter bytecode limits (64KiB)"
# Create session
- create_lttng_session $SESSION_NAME $TRACE_PATH
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
# Apply filter
- enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME "$BYTECODE_LIMIT"
+ enable_lttng_event_filter $domain $SESSION_NAME $EVENT_NAME "$BYTECODE_LIMIT"
# Destroy session
- destroy_lttng_session $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
+OLDIFS="$IFS"
IFS=$'\n'
INVALID_FILTERS=(
# Unsupported ops
"intfield/1"
"intfield+1"
"intfield-1"
- "intfield>>1"
- "intfield<<1"
- "intfield&1"
- "intfield|1"
- "intfield^1"
- "~intfield"
"1+11111-3333+1"
"(1+2)*(55*666)"
"1+2*55*666"
# Unmatched parenthesis
"((((((((((((((intfield)))))))))))))"
'0 || ("abc" != "def")) && (3 < 4)'
- # Field dereference
- "a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a"
"a->"
"a-->a"
- "a->a"
"a.b.c->d.e.f+1"
- "!a.f.d"
- "asdf.asdfsd.sadf < 4"
- "asdfasdf->asdfasdf < 2"
# String can\'t be root node
"\"somestring\""
# Unary op on string not allowed
# Logical operator with string type not allowed
"\"somestring\" || 1"
"1 || \"somestring\""
- # Nesting of binary operator not allowed
- "1 | (1 | (1 | 1))"
- "1 > (1 > (1 > 1))"
- # Exactly one chaining level under \$ctx allowed
- "\$ctx.vtid.blah == 0"
- "0 == \$ctx.vtid.blah"
- "\$ctx.44 == 0"
- "0 == \$ctx.44"
"\$ctx == 0"
"0 == \$ctx"
# Only \$ctx is supported for now
"\$global.value == 0"
"0 == \$global.value"
- # A wildcard should only appear as the last character in a string literal
- "msg == \"my_event*_blah\""
- )
+ # Cannot compare two full star globbing patterns
+ '"hello*world" == "yes*man"'
+ '"hello*world" == "yesman*"'
+ '"helloworld*" == "yes*man"'
+ # May only use != and == operators when one of them is a full
+ # star globbing pattern
+ '"hello*world" < field'
+ '"hello*world" <= field'
+ '"hello*world" >= field'
+ '"hello*world" > field'
+ '"hello*world" || field'
+ '"hello*world" && field'
+ 'field < "hello*world"'
+ 'field <= "hello*world"'
+ 'field >= "hello*world"'
+ 'field > "hello*world"'
+ 'field && "hello*world"'
+ 'field || "hello*world"'
+)
+IFS="$OLDIFS"
start_lttng_sessiond
-for FILTER in ${INVALID_FILTERS[@]};
-do
- test_invalid_filter "$FILTER"
+diag "Test UST filters"
+
+i=0
+while [ "$i" -lt "${#INVALID_FILTERS[@]}" ]; do
+ echo "${INVALID_FILTERS[$i]}"
+ test_invalid_filter -u "${INVALID_FILTERS[$i]}"
+ let "i++"
done
-test_bytecode_limit
+test_bytecode_limit -u
-unset IFS
+if [ "$(id -u)" == "0" ]; then
+ isroot=1
+else
+ isroot=0
+fi
+
+skip $isroot "Root access is needed. Skipping all kernel invalid filter tests." $NUM_KERNEL_TESTS ||
+{
+ diag "Test kernel filters"
+ i=0
+ while [ "$i" -lt "${#INVALID_FILTERS[@]}" ]; do
+ echo "${INVALID_FILTERS[$i]}"
+ test_invalid_filter -k "${INVALID_FILTERS[$i]}"
+ let "i++"
+ done
+
+ test_bytecode_limit -k
+}
stop_lttng_sessiond
rm -f $ENABLE_EVENT_STDERR