1 #!/bin/sh 2 # 3 # Check strace options syntax. 4 # 5 # Copyright (c) 2016 Dmitry V. Levin <ldv (at] altlinux.org> 6 # Copyright (c) 2016-2018 The strace developers. 7 # All rights reserved. 8 # 9 # Redistribution and use in source and binary forms, with or without 10 # modification, are permitted provided that the following conditions 11 # are met: 12 # 1. Redistributions of source code must retain the above copyright 13 # notice, this list of conditions and the following disclaimer. 14 # 2. Redistributions in binary form must reproduce the above copyright 15 # notice, this list of conditions and the following disclaimer in the 16 # documentation and/or other materials provided with the distribution. 17 # 3. The name of the author may not be used to endorse or promote products 18 # derived from this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 . "${srcdir=.}/syntax.sh" 32 33 check_e "Invalid process id: '0'" -p 0 34 check_e "Invalid process id: '-42'" -p -42 35 check_e "Invalid process id: '$$.'" -p $$. 36 check_e "Invalid process id: 'a'" -p 1,a 37 check_e "Syscall 'chdir' for -b isn't supported" -b chdir 38 check_e "Syscall 'chdir' for -b isn't supported" -b execve -b chdir 39 40 check_e_using_grep 'exec: File *name too long' "$(printf '%4096s' ' ')" 41 42 ff_name="$(printf '%4084s' ' ')" 43 check_e_using_grep "$ff_name: File *name too long" -ff -o "$ff_name" true 44 45 check_h 'must have PROG [ARGS] or -p PID' 46 check_h 'PROG [ARGS] must be specified with -D' -D -p $$ 47 check_h '-c and -C are mutually exclusive' -c -C true 48 check_h '-c and -C are mutually exclusive' -C -c true 49 check_h '(-c or -C) and -ff are mutually exclusive' -c -ff true 50 check_h '(-c or -C) and -ff are mutually exclusive' -C -ff true 51 check_h '-w must be given with (-c or -C)' -w true 52 check_h 'piping the output and -ff are mutually exclusive' -o '|' -ff true 53 check_h 'piping the output and -ff are mutually exclusive' -o '!' -ff true 54 check_h "invalid -a argument: '-42'" -a -42 55 check_h "invalid -O argument: '-42'" -O -42 56 check_h "invalid -s argument: '-42'" -s -42 57 check_h "invalid -s argument: '1073741824'" -s 1073741824 58 check_h "invalid -I argument: '5'" -I 5 59 60 ../zeroargc "$STRACE_EXE" /bin/true 2> "$LOG" && 61 dump_log_and_fail_with \ 62 'zeroargc strace failed to handle the error properly' 63 cat > "$EXP" << __EOF__ 64 $STRACE_EXE: must have PROG [ARGS] or -p PID 65 Try '$STRACE_EXE -h' for more information. 66 __EOF__ 67 diff -u -- "$EXP" "$LOG" > /dev/null || { 68 cat > "$EXP" <<- '__EOF__' 69 strace: must have PROG [ARGS] or -p PID 70 Try 'strace -h' for more information. 71 __EOF__ 72 match_diff "$LOG" "$EXP" \ 73 "zeroargc $STRACE $args output mismatch" 74 } 75 76 if [ -n "${UID-}" ]; then 77 if [ "${UID-}" = 0 ]; then 78 umsg="Cannot find user ':nosuchuser:'" 79 else 80 umsg='You must be root to use the -u option' 81 fi 82 83 check_e "$umsg" -u :nosuchuser: true 84 85 for c in i r t T y; do 86 check_e "-$c has no effect with -c 87 $STRACE_EXE: $umsg" -u :nosuchuser: -c -$c true 88 done 89 check_e "-i has no effect with -c 90 $STRACE_EXE: -r has no effect with -c 91 $STRACE_EXE: -t has no effect with -c 92 $STRACE_EXE: -T has no effect with -c 93 $STRACE_EXE: -y has no effect with -c 94 $STRACE_EXE: $umsg" -u :nosuchuser: -cirtTy true 95 96 check_e "-tt has no effect with -r 97 $STRACE_EXE: $umsg" -u :nosuchuser: -r -tt true 98 fi 99 100 args='-p 2147483647' 101 $STRACE $args 2> "$LOG" && 102 dump_log_and_fail_with \ 103 "strace $args failed to handle the error properly" 104 105 for cmd in PTRACE_SEIZE PTRACE_ATTACH; do 106 cat > "$EXP" << __EOF__ 107 $STRACE_EXE: attach: ptrace($cmd, 2147483647): No such process 108 __EOF__ 109 diff -- "$EXP" "$LOG" || 110 continue 111 args= 112 break 113 done 114 115 [ -z "$args" ] || 116 dump_log_and_fail_with \ 117 "strace $args failed to print expected diagnostics" 118
