diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/opensnoop')
| -rwxr-xr-x | cddl/contrib/dtracetoolkit/opensnoop | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/opensnoop b/cddl/contrib/dtracetoolkit/opensnoop new file mode 100755 index 0000000..b8fca3e --- /dev/null +++ b/cddl/contrib/dtracetoolkit/opensnoop @@ -0,0 +1,244 @@ +#!/bin/sh +# +# opensnoop - snoop file opens as they occur. +# Written using DTrace (Solaris 10 3/05). +# +# $Id: opensnoop 3 2007-08-01 10:50:08Z brendan $ +# +# USAGE: opensnoop [-a|-A|-ceghsvxZ] [-f pathname] [-n name] [-p PID] +# +# opensnoop # default output +# +# -a # print most data +# -A # dump all data, space delimited +# -c # print cwd of process +# -e # print errno value +# -g # print command arguments +# -s # print start time, us +# -v # print start time, string +# -x # only print failed opens +# -Z # print zonename +# -f pathname # file pathname to snoop +# -n name # command name to snoop +# -p PID # process ID to snoop +# eg, +# opensnoop -v # human readable timestamps +# opensnoop -e # see error codes +# opensnoop -f /etc/passwd # snoop this file only +# +# FIELDS: +# ZONE Zone name +# UID User ID +# PID Process ID +# PPID Parent Process ID +# FD file descriptor (-1 for error) +# ERR errno value (see /usr/include/sys/errno.h) +# CWD print current working directory of process +# PATH pathname for file open +# COMM command name for the process +# ARGS argument listing for the process +# TIME timestamp for the open event, us +# STRTIME timestamp for the open event, string +# +# SEE ALSO: truss, BSM auditing. +# +# COPYRIGHT: Copyright (c) 2006 Brendan Gregg. +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License, Version 1.0 only +# (the "License"). You may not use this file except in compliance +# with the License. +# +# You can obtain a copy of the license at Docs/cddl1.txt +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# CDDL HEADER END +# +# Author: Brendan Gregg [Sydney, Australia] +# +# 09-May-2004 Brendan Gregg Created this. +# 21-Jan-2005 " " Wrapped in sh to provide options. +# 08-May-2005 " " Rewritten for performance. +# 14-May-2005 " " Added errno. +# 28-Jun-2005 " " Added cwd, zonename. +# 17-Sep-2005 " " Increased switchrate, fixed page fault bug. +# 16-Jan-2006 " " Added -n, -p. +# 16-Jan-2006 " " Last update. +# + + +############################## +# --- Process Arguments --- +# + +### Default variables +opt_dump=0; opt_file=0; opt_time=0; opt_timestr=0; opt_args=0 +opt_zone=0; opt_cwd=0; opt_failonly=0; opt_err=0; filter=0; pathname=. +opt_name=0; opt_pid=0; pname=.; pid=0 + +### Process options +while getopts aAcef:ghn:p:svxZ name +do + case $name in + a) opt_time=1; opt_timestr=1; opt_args=1; opt_err=1 ;; + A) opt_dump=1 ;; + c) opt_cwd=1 ;; + e) opt_err=1 ;; + g) opt_args=1 ;; + f) opt_file=1; pathname=$OPTARG ;; + n) opt_name=1; pname=$OPTARG ;; + p) opt_pid=1; pid=$OPTARG ;; + s) opt_time=1 ;; + v) opt_timestr=1 ;; + x) opt_failonly=1 ;; + Z) opt_zone=1 ;; + h|?) cat <<-END >&2 + USAGE: opensnoop [-a|-A|-ceghsvxZ] [-f pathname] + [-n name] [-p PID] + opensnoop # default output + -a # print most data + -A # dump all data, space delimited + -c # print cwd of process + -e # print errno value + -g # print command arguments + -s # print start time, us + -v # print start time, string + -x # only print failed opens + -Z # print zonename + -f pathname # pathname name to snoop + -n name # process name to snoop + -p PID # process ID to snoop + eg, + opensnoop -v # human readable timestamps + opensnoop -e # see error codes + opensnoop -f /etc/motd # snoop this file only + END + exit 1 + esac +done + +### Option logic +if [ $opt_dump -eq 1 ]; then + opt_zone=0; opt_cwd=0; opt_time=0; opt_timestr=0; opt_args=2 +fi +if [ $opt_name -eq 1 -o $opt_pid -eq 1 ]; then + filter=1 +fi + + +################################# +# --- Main Program, DTrace --- +# +/usr/sbin/dtrace -n ' + /* + * Command line arguments + */ + inline int OPT_dump = '$opt_dump'; + inline int OPT_file = '$opt_file'; + inline int OPT_args = '$opt_args'; + inline int OPT_cwd = '$opt_cwd'; + inline int OPT_err = '$opt_err'; + inline int OPT_zone = '$opt_zone'; + inline int OPT_time = '$opt_time'; + inline int OPT_timestr = '$opt_timestr'; + inline int OPT_failonly = '$opt_failonly'; + inline int OPT_pid = '$opt_pid'; + inline int OPT_name = '$opt_name'; + inline int FILTER = '$filter'; + inline int PID = '$pid'; + inline string PATHNAME = "'$pathname'"; + inline string NAME = "'$pname'"; + + #pragma D option quiet + #pragma D option switchrate=10hz + + /* + * Print header + */ + dtrace:::BEGIN + { + /* + * ternary operators are used to improve performance. + * OPT_args is unusual in that it can have one of three values. + */ + + /* print optional headers */ + OPT_time ? printf("%-14s ", "TIME") : 1; + OPT_timestr ? printf("%-20s ", "STRTIME") : 1; + OPT_zone ? printf("%-10s ", "ZONE") : 1; + + /* print dump headers */ + OPT_dump ? printf("%s %s %s %s %s %s %s %s %s %s %s", "ZONE", + "TIME", "UID", "PID", "PPID", "COMM", "FD", "ERR", "CWD", + "PATH", "ARGS") : printf("%5s %6s ","UID","PID"); + + /* print main headers */ + OPT_args == 0 ? printf("%-12s ", "COMM") : 1; + OPT_dump == 0 ? printf("%3s ", "FD") : 1; + OPT_err ? printf("%3s ", "ERR") : 1; + OPT_cwd ? printf("%-20s ", "CWD") : 1; + OPT_dump == 0 ? printf("%-20s ", "PATH") : 1; + OPT_args == 1 ? printf("%s", "ARGS") : 1; + printf("\n"); + } + + /* + * Print open event + */ + syscall::open:entry + { + /* save pathname */ + self->pathp = arg0; + + /* default is to trace unless filtering */ + self->ok = FILTER ? 0 : 1; + + /* check each filter */ + (OPT_name == 1 && NAME == execname) ? self->ok = 1 : 1; + (OPT_pid == 1 && PID == pid) ? self->ok = 1 : 1; + /* OPT_file is checked on return to ensure pathp is mapped */ + } + + syscall::open:return + /self->ok && (! OPT_failonly || (int)arg0 < 0) && + ((OPT_file == 0) || (OPT_file == 1 && PATHNAME == copyinstr(self->pathp)))/ + { + /* print optional fields */ + OPT_time ? printf("%-14d ", timestamp/1000) : 1; + OPT_timestr ? printf("%-20Y ", walltimestamp) : 1; + OPT_zone ? printf("%-10s ", zonename) : 1; + + /* print dump fields */ + OPT_dump ? printf("%s %d %d %d %d %s %d %d %s %s %S", zonename, + timestamp/1000, uid, pid, ppid, execname, (int)arg0, errno, + cwd, copyinstr(self->pathp), curpsinfo->pr_psargs) : + printf("%5d %6d ", uid, pid); + + /* print main fields */ + OPT_args == 0 ? printf("%-12s ", execname) : 1; + OPT_dump == 0 ? printf("%3d ", (int)arg0) : 1; + OPT_err ? printf("%3d ", errno) : 1; + OPT_cwd ? printf("%-20s ", cwd) : 1; + OPT_dump == 0 ? printf("%-20s ", copyinstr(self->pathp)) : 1; + OPT_args == 1 ? printf("%S", curpsinfo->pr_psargs) : 1; + printf("\n"); + + /* cleanup */ + self->pathp = 0; + self->ok = 0; + } + + /* + * Cleanup + */ + syscall::open:return + /self->ok/ + { + self->pathp = 0; + self->ok = 0; + } +' |
