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b2a325c4 CB |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2012 Christian Babeux <christian.babeux@efficios.com> | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU General Public License, version 2 only, as | |
7 | # published by the Free Software Foundation. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | # more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License along with | |
15 | # this program; if not, write to the Free Software Foundation, Inc., 51 | |
16 | # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | ||
18 | TEST_DESC="Filtering - Invalid filters" | |
19 | ||
20 | CURDIR=$(dirname $0)/ | |
21 | TESTDIR=$CURDIR/../.. | |
22 | LTTNG_BIN="lttng" | |
23 | SESSION_NAME="filter-invalid" | |
24 | EVENT_NAME="bogus" | |
25 | ENABLE_EVENT_STDERR="/tmp/invalid-filters-stderr" | |
26 | TRACE_PATH=$(mktemp -d) | |
27 | ||
28 | source $TESTDIR/utils.sh | |
29 | ||
30 | print_test_banner "$TEST_DESC" | |
31 | ||
32 | function enable_ust_lttng_event_filter | |
33 | { | |
34 | sess_name="$1" | |
35 | event_name="$2" | |
36 | filter="$3" | |
37 | echo -n "Enabling lttng event with filtering and invalid filter " | |
38 | ||
39 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null | |
40 | ||
41 | # Enable must fail | |
42 | if [ $? -eq 0 ]; then | |
43 | print_fail | |
44 | return 1 | |
45 | else | |
46 | print_ok | |
47 | return 0 | |
48 | fi | |
49 | } | |
50 | ||
51 | function test_invalid_filter | |
52 | { | |
53 | test_invalid_filter="$1" | |
54 | ||
55 | echo "" | |
56 | echo -e "=== Testing filter expression with invalid filter" | |
57 | echo -e "Filter: $test_invalid_filter" | |
58 | ||
59 | # Create session | |
60 | create_lttng_session $SESSION_NAME $TRACE_PATH | |
61 | ||
62 | # Apply filter | |
63 | enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME "$test_invalid_filter" | |
64 | ||
65 | # Destroy session | |
66 | destroy_lttng_session $SESSION_NAME | |
67 | } | |
68 | ||
69 | function test_bytecode_limit | |
70 | { | |
71 | # Current bytecode limitation is 65536 bytes long. | |
72 | # Generate a huge bytecode with some perl-fu | |
73 | BYTECODE_LIMIT=`perl -e 'print "intfield" . " && 1" x5460'` | |
74 | ||
75 | echo "" | |
76 | echo -e "=== Testing filter bytecode limits (64KiB)" | |
77 | ||
78 | # Create session | |
79 | create_lttng_session $SESSION_NAME $TRACE_PATH | |
80 | ||
81 | # Apply filter | |
82 | enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME "$BYTECODE_LIMIT" | |
83 | ||
84 | # Destroy session | |
85 | destroy_lttng_session $SESSION_NAME | |
86 | } | |
87 | ||
88 | IFS=$'\n' | |
89 | INVALID_FILTERS=( | |
90 | # Unsupported ops | |
91 | "intfield*1" | |
92 | "intfield/1" | |
93 | "intfield+1" | |
94 | "intfield-1" | |
95 | "intfield>>1" | |
96 | "intfield<<1" | |
97 | "intfield&1" | |
98 | "intfield|1" | |
99 | "intfield^1" | |
100 | "~intfield" | |
101 | "1+11111-3333+1" | |
102 | "(1+2)*(55*666)" | |
103 | "1+2*55*666" | |
104 | "asdf + 1 > 1" | |
105 | "asdfas < 2332 || asdf + 1 > 1" | |
106 | "!+-+++-------+++++++++++-----!!--!44+1" | |
107 | "aaa||(gg)+(333----1)" | |
108 | "1+1" | |
109 | # Unmatched parenthesis | |
110 | "((((((((((((((intfield)))))))))))))" | |
111 | '0 || ("abc" != "def")) && (3 < 4)' | |
112 | # Field dereference | |
113 | "a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a.a" | |
114 | "a->" | |
115 | "a-->a" | |
116 | "a->a" | |
117 | "a.b.c->d.e.f+1" | |
118 | "!a.f.d" | |
119 | "asdf.asdfsd.sadf < 4" | |
120 | "asdfasdf->asdfasdf < 2" | |
ef049bee CB |
121 | # String can't be root node |
122 | "\"somestring\"" | |
123 | # Unary op on string not allowed | |
124 | "!\"somestring\"" | |
125 | # Comparison with string type not allowed | |
126 | "\"somestring\" > 42" | |
127 | "\"somestring\" > 42.0" | |
128 | "42 > \"somestring\"" | |
129 | "42.0 > \"somestring\"" | |
130 | # Logical operator with string type not allowed | |
131 | "\"somestring\" || 1" | |
132 | "1 || \"somestring\"" | |
133 | # Nesting of binary operator not allowed | |
134 | "1 | (1 | (1 | 1))" | |
135 | "1 > (1 > (1 > 1))" | |
b2a325c4 CB |
136 | ) |
137 | ||
138 | start_lttng_sessiond | |
139 | for FILTER in ${INVALID_FILTERS[@]}; | |
140 | do | |
141 | test_invalid_filter "$FILTER" | |
142 | done | |
143 | ||
144 | test_bytecode_limit | |
145 | ||
146 | unset IFS | |
147 | stop_lttng_sessiond | |
148 | ||
149 | rm -f $ENABLE_EVENT_STDERR | |
150 | rm -rf $TRACE_PATH |