projects / linux-seccomp.git / blame
| Commit | Line | Data |
|---|---|---|
| 8befd5cc MG |
1 | #!/bin/bash |
| 2 | ||
| 3 | # | |
| 4 | # Runtime syscall inspector | |
| 5 | # | |
| 6 | # Copyright (c) 2012 Red Hat <pmoore@redhat.com> | |
| 7 | # Author: Paul Moore <paul@paul-moore.com> | |
| 8 | # | |
| 9 | ||
| 10 | # | |
| 11 | # This library is free software; you can redistribute it and/or modify it | |
| 12 | # under the terms of version 2.1 of the GNU Lesser General Public License as | |
| 13 | # published by the Free Software Foundation. | |
| 14 | # | |
| 15 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
| 16 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 17 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
| 18 | # for more details. | |
| 19 | # | |
| 20 | # You should have received a copy of the GNU Lesser General Public License | |
| 21 | # along with this library; if not, see <http://www.gnu.org/licenses>. | |
| 22 | # | |
| 23 | ||
| 24 | #### | |
| 25 | # functions | |
| 26 | ||
| 27 | function verify_deps() { | |
| 28 | [[ -z "$1" ]] && return | |
| 29 | if ! which "$1" >& /dev/null; then | |
| 30 | echo "error: install \"$1\" and include it in your \$PATH" | |
| 31 | exit 1 | |
| 32 | fi | |
| 33 | } | |
| 34 | ||
| 35 | #### | |
| 36 | # main | |
| 37 | ||
| 38 | # verify script dependencies | |
| 39 | verify_deps strace | |
| 40 | verify_deps sed | |
| 41 | verify_deps sort | |
| 42 | verify_deps uniq | |
| 43 | ||
| 44 | # get the command line arguments | |
| 45 | opt_freq=0 | |
| 46 | opt_args=0 | |
| 47 | opt_out="/proc/self/fd/1" | |
| 48 | while getopts "afo:h" opt; do | |
| 49 | case $opt in | |
| 50 | a) | |
| 51 | opt_args=1 | |
| 52 | ;; | |
| 53 | f) | |
| 54 | opt_freq=1 | |
| 55 | ;; | |
| 56 | o) | |
| 57 | opt_out="$OPTARG" | |
| 58 | ;; | |
| 59 | h|*) | |
| 60 | echo "usage $0 [-f] [-a] [-o <file>] <command> [<args>]" | |
| 61 | exit 1 | |
| 62 | esac | |
| 63 | done | |
| 64 | shift $(expr $OPTIND - 1) | |
| 65 | ||
| 66 | # generate a temporary output file | |
| 67 | raw=$(mktemp -t strace-raw_XXXXXX) | |
| 68 | out="$raw-out" | |
| 69 | ||
| 70 | # capture the strace output | |
| 71 | strace -o $raw -- $* | |
| 72 | ||
| 73 | # filter the raw strace | |
| 74 | if [[ $opt_args -eq 0 ]]; then | |
| 75 | if [[ $opt_freq -eq 0 ]]; then | |
| 76 | cat $raw | sed -e 's/(.*//' | sort -u > $out | |
| 77 | else | |
| 78 | cat $raw | sed -e 's/(.*//' | sort | uniq -c | sort -nr > $out | |
| 79 | fi | |
| 80 | else | |
| 81 | if [[ $opt_freq -eq 0 ]]; then | |
| 82 | cat $raw | sed -e 's/)[ \t]*=.*$/)/' \ | |
| 83 | | sed -e 's/".*,/"...",/g;s/\/\*.*\*\//.../g' \ | |
| 84 | | sed -e 's/0x[a-f0-9]\+/.../g' \ | |
| 85 | | sort -u > $out | |
| 86 | else | |
| 87 | cat $raw | sed -e 's/)[ \t]*=.*$/)/' \ | |
| 88 | | sed -e 's/".*,/"...",/g;s/\/\*.*\*\//.../g' \ | |
| 89 | | sed -e 's/0x[a-f0-9]\+/.../g' \ | |
| 90 | | sort | uniq -c | sort -nr > $out | |
| 91 | fi | |
| 92 | fi | |
| 93 | ||
| 94 | # display the output | |
| 95 | echo "============================================================" > $opt_out | |
| 96 | echo "Syscall Report (\"$*\")" >> $opt_out | |
| 97 | [[ $opt_freq -eq 1 ]] && echo " freq syscall" >> $opt_out | |
| 98 | echo "============================================================" >> $opt_out | |
| 99 | cat $out >> $opt_out | |
| 100 | ||
| 101 | # cleanup and exit | |
| 102 | rm -f $raw $out | |
| 103 | exit 0 |