1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#!/bin/sh
#
# Check strace options syntax.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2016-2017 The strace developers.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
. "${srcdir=.}/init.sh"
check_exit_status_and_stderr()
{
$STRACE "$@" 2> "$LOG" &&
dump_log_and_fail_with \
"strace $* failed to handle the error properly"
match_diff "$LOG" "$EXP" ||
dump_log_and_fail_with \
"strace $* failed to print expected diagnostics"
}
check_exit_status_and_stderr_using_grep()
{
$STRACE "$@" 2> "$LOG" &&
dump_log_and_fail_with \
"strace $* failed to handle the error properly"
match_grep "$LOG" "$EXP" ||
dump_log_and_fail_with \
"strace $* failed to print expected diagnostics"
}
strace_exp="${STRACE##* }"
check_e()
{
local pattern="$1"; shift
cat > "$EXP" << __EOF__
$strace_exp: $pattern
__EOF__
check_exit_status_and_stderr "$@"
}
check_e_using_grep()
{
local pattern="$1"; shift
cat > "$EXP" << __EOF__
$strace_exp: $pattern
__EOF__
check_exit_status_and_stderr_using_grep "$@"
}
check_h()
{
local pattern="$1"; shift
cat > "$EXP" << __EOF__
$strace_exp: $pattern
Try '$strace_exp -h' for more information.
__EOF__
check_exit_status_and_stderr "$@"
}
check_e "Invalid process id: '0'" -p 0
check_e "Invalid process id: '-42'" -p -42
check_e "Invalid process id: '$$.'" -p $$.
check_e "Invalid process id: 'a'" -p 1,a
check_e "Syscall 'chdir' for -b isn't supported" -b chdir
check_e "Syscall 'chdir' for -b isn't supported" -b execve -b chdir
check_e "invalid system call '-1'" -e-1
check_e "invalid system call '-2'" -e -2
check_e "invalid system call '-3'" -etrace=-3
check_e "invalid system call '-4'" -e trace=-4
check_e "invalid system call '-5'" -e trace=1,-5
check_e "invalid system call '/non_syscall'" -e trace=/non_syscall
check_e "invalid system call '2147483647'" -e 2147483647
check_e "invalid system call '2147483648'" -e 2147483648
check_e "invalid system call '4294967295'" -e 4294967295
check_e "invalid system call '4294967296'" -e 4294967296
check_e "invalid descriptor '-1'" -eread=-1
check_e "invalid descriptor '-42'" -ewrite=-42
check_e "invalid descriptor '2147483648'" -eread=2147483648
check_e "invalid descriptor '4294967296'" -ewrite=4294967296
check_e "invalid descriptor 'foo'" -eread=foo
check_e "invalid descriptor ''" -ewrite=
check_e "invalid descriptor ','" -eread=,
check_e "invalid descriptor '!'" -ewrite='!'
check_e "invalid descriptor '!'" -eread='0,!'
check_e "invalid descriptor '!,'" -ewrite='!,'
check_e_using_grep 'regcomp: \+id: [[:alpha:]].+' -e trace='/+id'
check_e_using_grep 'regcomp: \*id: [[:alpha:]].+' -e trace='/*id'
check_e_using_grep 'regcomp: \{id: [[:alpha:]].+' -e trace='/{id'
check_e_using_grep 'regcomp: \(id: [[:alpha:]].+' -e trace='/(id'
check_e_using_grep 'regcomp: \[id: [[:alpha:]].+' -e trace='/[id'
check_h 'must have PROG [ARGS] or -p PID'
check_h 'PROG [ARGS] must be specified with -D' -D -p $$
check_h '-c and -C are mutually exclusive' -c -C true
check_h '-c and -C are mutually exclusive' -C -c true
check_h '(-c or -C) and -ff are mutually exclusive' -c -ff true
check_h '(-c or -C) and -ff are mutually exclusive' -C -ff true
check_h '-w must be given with (-c or -C)' -w true
check_h 'piping the output and -ff are mutually exclusive' -o '|' -ff true
check_h 'piping the output and -ff are mutually exclusive' -o '!' -ff true
check_h "invalid -a argument: '-42'" -a -42
check_h "invalid -O argument: '-42'" -O -42
check_h "invalid -s argument: '-42'" -s -42
check_h "invalid -s argument: '1073741824'" -s 1073741824
check_h "invalid -I argument: '5'" -I 5
cat > "$EXP" << '__EOF__'
strace: must have PROG [ARGS] or -p PID
Try 'strace -h' for more information.
__EOF__
../zeroargc "$strace_exp" /bin/true 2> "$LOG" &&
dump_log_and_fail_with \
'zeroargc strace failed to handle the error properly'
match_diff "$LOG" "$EXP" ||
dump_log_and_fail_with \
'zeroargc strace failed to print expected diagnostics'
if [ -n "${UID-}" ]; then
if [ "${UID-}" = 0 ]; then
umsg="Cannot find user ':nosuchuser:'"
else
umsg='You must be root to use the -u option'
fi
check_e "$umsg" -u :nosuchuser: true
for c in i r t T y; do
check_e "-$c has no effect with -c
$strace_exp: $umsg" -u :nosuchuser: -c -$c true
done
check_e "-i has no effect with -c
$strace_exp: -r has no effect with -c
$strace_exp: -t has no effect with -c
$strace_exp: -T has no effect with -c
$strace_exp: -y has no effect with -c
$strace_exp: $umsg" -u :nosuchuser: -cirtTy true
check_e "-tt has no effect with -r
$strace_exp: $umsg" -u :nosuchuser: -r -tt true
fi
args='-p 2147483647'
$STRACE $args 2> "$LOG" &&
dump_log_and_fail_with \
"strace $args failed to handle the error properly"
for cmd in PTRACE_SEIZE PTRACE_ATTACH; do
cat > "$EXP" << __EOF__
$strace_exp: attach: ptrace($cmd, 2147483647): No such process
__EOF__
diff -- "$EXP" "$LOG" ||
continue
args=
break
done
[ -z "$args" ] ||
dump_log_and_fail_with \
"strace $args failed to print expected diagnostics"
|
