Dmitry V. Levin
45ed340016
* defs.h (struct fault_opts): Replace forward declaration with a definition. (qualbits_t, qualify_read, qualify_write, qualify_signals): Remove. (qual_flags): New function prototype. (nsyscall_vec, sysent_vec, fault_vec): New variable prototypes. * qualify.c (abbrev_set, fault_set, raw_set, trace_set, verbose_set): New variables. (qualify_read, qualify_write, qualify_signals): Add static qualifier. (find_errno_by_name, lookup_class, parse_fault_expression, parse_fault_token, qual_flags, qualify, qualify_abbrev, qualify_fault, qualify_raw, qualify_syscall, qualify_syscall_class, qualify_syscall_name, qualify_syscall_number, qualify_syscall_tokens, qualify_trace, qualify_verbose, strip_prefix): New functions. * syscall.c (nsyscall_vec, nsysent_vec): Remove static qualifier. (MAX_NSYSCALLS1, MAX_NSYSCALLS2, MAX_NSYSCALLS, qual_vec, qual_flags, qual_fault, qual_syscall, qual_options, fault_opts, qualify_one, qualify_scno, lookup_class, qualify_syscall_class, qualify_syscall_name, qual_syscall_ex, qual_syscall, strip_prefix, find_errno_by_name, parse_fault_token, parse_fault_expression, qual_fault, qualify): Remove. (decode_socket_subcall, decode_ipc_subcall, decode_mips_subcall, get_scno): Update use of qual_flags. (inject_syscall_fault_entering): Update per-personality allocation of tcp->fault_vec. * tests/fault_injection-exit_group.test: Check parsing of inversed fault sets. * tests/fault_injection.test: Check parsing of -efault=none. * tests/options-syntax.test: Check parsing of invalid syscall numbers.
149 lines
5.0 KiB
Bash
Executable File
149 lines
5.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Check strace options syntax.
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#
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# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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. "${srcdir=.}/init.sh"
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check_exit_status_and_stderr()
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{
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$STRACE "$@" 2> "$LOG" &&
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dump_log_and_fail_with \
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"strace $* failed to handle the error properly"
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match_diff "$LOG" "$EXP" ||
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dump_log_and_fail_with \
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"strace $* failed to print expected diagnostics"
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}
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strace_exp="${STRACE##* }"
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check_e()
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{
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local pattern="$1"; shift
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cat > "$EXP" << __EOF__
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$strace_exp: $pattern
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__EOF__
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check_exit_status_and_stderr "$@"
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}
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check_h()
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{
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local pattern="$1"; shift
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cat > "$EXP" << __EOF__
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$strace_exp: $pattern
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Try '$strace_exp -h' for more information.
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__EOF__
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check_exit_status_and_stderr "$@"
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}
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check_e "Invalid process id: '0'" -p 0
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check_e "Invalid process id: '-42'" -p -42
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check_e "Invalid process id: '$$.'" -p $$.
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check_e "Invalid process id: 'a'" -p 1,a
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check_e "Syscall 'chdir' for -b isn't supported" -b chdir
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check_e "Syscall 'chdir' for -b isn't supported" -b execve -b chdir
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check_e "invalid system call '-1'" -e-1
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check_e "invalid system call '-2'" -e -2
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check_e "invalid system call '-3'" -etrace=-3
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check_e "invalid system call '-4'" -e trace=-4
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check_e "invalid system call '-5'" -e trace=1,-5
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check_e "invalid system call '2147483647'" -e 2147483647
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check_e "invalid system call '2147483648'" -e 2147483648
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check_e "invalid system call '4294967295'" -e 4294967295
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check_e "invalid system call '4294967296'" -e 4294967296
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check_e "invalid descriptor '-1'" -eread=-1
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check_e "invalid descriptor '-42'" -ewrite=-42
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check_e "invalid descriptor '2147483648'" -eread=2147483648
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check_e "invalid descriptor '4294967296'" -ewrite=4294967296
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check_e "invalid descriptor 'foo'" -eread=foo
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check_e "invalid descriptor ''" -ewrite=
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check_e "invalid descriptor ','" -eread=,
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check_e "invalid descriptor '!'" -ewrite='!'
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check_e "invalid descriptor '!'" -eread='0,!'
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check_e "invalid descriptor '!,'" -ewrite='!,'
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check_h 'must have PROG [ARGS] or -p PID'
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check_h 'PROG [ARGS] must be specified with -D' -D -p $$
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check_h '-c and -C are mutually exclusive' -c -C true
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check_h '-c and -C are mutually exclusive' -C -c true
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check_h '(-c or -C) and -ff are mutually exclusive' -c -ff true
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check_h '(-c or -C) and -ff are mutually exclusive' -C -ff true
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check_h '-w must be given with (-c or -C)' -w true
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check_h 'piping the output and -ff are mutually exclusive' -o '|' -ff true
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check_h 'piping the output and -ff are mutually exclusive' -o '!' -ff true
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check_h "invalid -a argument: '-42'" -a -42
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check_h "invalid -O argument: '-42'" -O -42
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check_h "invalid -s argument: '-42'" -s -42
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check_h "invalid -I argument: '5'" -I 5
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if [ -n "${UID-}" ]; then
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if [ "${UID-}" = 0 ]; then
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umsg="Cannot find user ':nosuchuser:'"
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else
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umsg='You must be root to use the -u option'
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fi
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check_e "$umsg" -u :nosuchuser: true
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for c in i r t T y; do
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check_e "-$c has no effect with -c
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$strace_exp: $umsg" -u :nosuchuser: -c -$c true
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done
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check_e "-i has no effect with -c
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$strace_exp: -r has no effect with -c
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$strace_exp: -t has no effect with -c
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$strace_exp: -T has no effect with -c
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$strace_exp: -y has no effect with -c
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$strace_exp: $umsg" -u :nosuchuser: -cirtTy true
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check_e "-tt has no effect with -r
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$strace_exp: $umsg" -u :nosuchuser: -r -tt true
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fi
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args='-p 2147483647'
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$STRACE $args 2> "$LOG" &&
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dump_log_and_fail_with \
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"strace $args failed to handle the error properly"
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for cmd in PTRACE_SEIZE PTRACE_ATTACH; do
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cat > "$EXP" << __EOF__
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$strace_exp: attach: ptrace($cmd, 2147483647): No such process
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__EOF__
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diff -- "$EXP" "$LOG" ||
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continue
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args=
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break
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done
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[ -z "$args" ] ||
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dump_log_and_fail_with \
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"strace $args failed to print expected diagnostics"
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rm -f "$EXP"
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