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No need for usage() 

There are 2 arguments why -v and -h are broken:

	1) if you are running off git, -v will show the last stable
           release, effectively making this option useless.
           people running stable versions leave open an attack surface
           this way in case there are vulnerabilities found.
           99% of the people are also using package managers to keep
           their software up to date, instead of running $TOOL -v to
           check how old it is.
        2) -h is a sad excuse for not just looking at the manual page
           (man 1 slock). Given we accept a post_lock_command, we can't
           be as liberal and just intercept certain flags.

I changed the manpage to reflect this change.
This commit is contained in:
FRIGN 2016-02-14 01:48:48 +01:00
parent bdcbeab0d8
commit a6dc051e37
2 changed files with 9 additions and 31 deletions
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24
slock.1
View File

@ -1,29 +1,19 @@
.TH SLOCK 1 slock\-VERSION
.SH NAME
slock \- simple X display locker
slock \- simple X screen locker
.SH SYNOPSIS
.B slock
.RB [ \-v
|
.IR post_lock_command ]
.RB [
.IR cmd
]
.SH DESCRIPTION
.B slock
is a screen locker for X. If provided, the
.IR post_lock_command
will be executed when the screen is locked.
.SH OPTIONS
.TP
.B \-v
prints version information to stdout, then exits.
is an X screen locker. If provided,
.IR cmd
is executed after the screen has been locked.
.SH EXAMPLES
$ slock /usr/sbin/s2ram
.SH CUSTOMIZATION
.B slock
can be customized by creating a custom config.h and (re)compiling the source
code. This keeps it fast, secure and simple.
.SH AUTHORS
See the LICENSE file for the authors.
.SH LICENSE
See the LICENSE file for the terms of redistribution.
.SH BUGS
Please report them.

16
slock.c
View File

@ -272,27 +272,15 @@ lockscreen(Display *dpy, int screen)
return NULL;
}
static void
usage(void)
{
fprintf(stderr, "usage: slock [-v|POST_LOCK_CMD]\n");
exit(1);
}
int
main(int argc, char **argv) {
main(int argc, char **argv)
{
#ifndef HAVE_BSD_AUTH
const char *pws;
#endif
Display *dpy;
int screen;
if ((argc == 2) && !strcmp("-v", argv[1]))
die("slock-%s, © 2006-2016 slock engineers\n", VERSION);
if ((argc == 2) && !strcmp("-h", argv[1]))
usage();
#ifdef __linux__
dontkillme();
#endif