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head/cddl/usr.sbin/dwatch/libexec/chmod
| Property | Old Value | New Value |
|---|---|---|
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| # -*- tab-width: 4 -*- ;; Emacs | |||||
| # vi: set filetype=sh tabstop=8 shiftwidth=8 noexpandtab :: Vi/ViM | |||||
| ############################################################ IDENT(1) | |||||
| # | |||||
| # $Title: dwatch(8) module for [l]chmod(2), fchmodat(2), or similar entry $ | |||||
| # $Copyright: 2014-2018 Devin Teske. All rights reserved. $ | |||||
| # $FreeBSD$ | |||||
| # | |||||
| ############################################################ DESCRIPTION | |||||
| # | |||||
| # Print mode/path being passed to chmod(2), lchmod(2), fchmodat(2), or similar | |||||
| # | |||||
| ############################################################ PROBE | |||||
| case "$PROFILE" in | |||||
| chmod) | |||||
| : ${PROBE:=$( echo \ | |||||
| syscall::chmod:entry, \ | |||||
| syscall::lchmod:entry, \ | |||||
| syscall::fchmodat:entry )} | |||||
| ;; | |||||
| *) | |||||
| : ${PROBE:=syscall::$PROFILE:entry} | |||||
| esac | |||||
| ############################################################ ACTIONS | |||||
| exec 9<<EOF | |||||
| this mode_t mode; | |||||
| this string path; | |||||
| this u_char at; | |||||
| $PROBE /* probe ID $ID */ | |||||
| {${TRACE:+ | |||||
| printf("<$ID>"); | |||||
| } | |||||
| /* | |||||
| * Should we expect the first argument to be a file descriptor? | |||||
| * NB: Based on probefunc ending in "at" (e.g., fchmodat(2)) | |||||
| */ | |||||
| this->at = strstr(probefunc, "at") == | |||||
| (probefunc + strlen(probefunc) - 2) ? 1 : 0; | |||||
| this->mode = (mode_t)(this->at ? arg2 : arg1); | |||||
| this->path = copyinstr(this->at ? arg1 : arg0); | |||||
| } | |||||
| EOF | |||||
| ACTIONS=$( cat <&9 ) | |||||
| ID=$(( $ID + 1 )) | |||||
| ############################################################ EVENT DETAILS | |||||
| exec 9<<EOF | |||||
| /* | |||||
| * Print mode/path details | |||||
| */ | |||||
| printf("%04o %s", this->mode, this->path); | |||||
| EOF | |||||
| EVENT_DETAILS=$( cat <&9 ) | |||||
| ################################################################################ | |||||
| # END | |||||
| ################################################################################ | |||||