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Update manual pages with markup and spacing fixes. 

Added ability to use "@" symbol in command named in the inittab file. This
treats commands as literal and does not launch a shell to interpret them.

Updated inittab manual page to include overview of symbols which trigger
a shell interpretor and how to disable them using the @ symbol.
This commit is contained in:
Jesse 2022-02-15 17:01:41 -04:00
parent 3b233b0690
commit 644ee05aab
21 changed files with 49 additions and 21 deletions
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5
doc/Changelog
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@ -1,3 +1,4 @@
sysvinit (3.02) unreleased; urgency=low
* Added q and Q flags to synopsis in shutdown manual page.
* Applied fixes for markup and spacing in manual pages.
Patch provided by Mario Blattermann.
@ -5,6 +6,10 @@
* Added Makefile for man/ directory. Will handle translations
and substitutions.
* Applied new translations for multiple languages from Mario Blattermann.
* Added ability to use "@" symbol in command named in the inittab file. This
treats commands as literal and does not launch a shell to interpret them.
* Updated inittab manual page to include overview of symbols which trigger
a shell interpretor and how to disable them using the @ symbol.
sysvinit (3.01) released; urgency=low

2
man/bootlogd.8
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH BOOTLOGD 8 "Jul 21, 2003" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH BOOTLOGD 8 "Jul 21, 2003" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
bootlogd \- record boot messages
.SH SYNOPSIS

2
man/fstab-decode.8
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@ -17,7 +17,7 @@
.\" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
.\"
.\" Author: Miloslav Trmac <mitr@redhat.com>
.TH FSTAB-DECODE 8 "May 2006" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH FSTAB-DECODE 8 "May 2006" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
fstab-decode \- run a command with fstab-encoded arguments

2
man/halt.8
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH HALT 8 "Nov 6, 2001" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH HALT 8 "Nov 6, 2001" "sysvinit " "Linux System Administrator's Manual"
.\"}}}
.\"{{{ Name
.SH NAME

2
man/init.8
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH INIT 8 "29 Jul 2004" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH INIT 8 "29 Jul 2004" "sysvinit " "Linux System Administrator's Manual"
.\"}}}
.\"{{{ Name
.SH NAME

2
man/initctl.5
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@ -14,7 +14,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH INITCTL 5 "April 13, 2018" "sysvinit @VERSION@" "File Formats"
.TH INITCTL 5 "April 13, 2018" "sysvinit " "File Formats"
.SH NAME
initctl \- /run/initctl is a named pipe which passes commands to SysV init
.SH SYNOPSIS

2
man/initscript.5
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH INITSCRIPT 5 "July 10, 2003" "sysvinit @VERSION@" "File Formats"
.TH INITSCRIPT 5 "July 10, 2003" "sysvinit " "File Formats"
.SH NAME
initscript \- script that executes inittab commands
.SH SYNOPSIS

22
man/inittab.5
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH INITTAB 5 "Dec 4, 2001" "sysvinit @VERSION@" "File Formats"
.TH INITTAB 5 "Dec 4, 2001" "sysvinit " "File Formats"
.\"}}}
.\"{{{ Name
.SH NAME
@ -67,6 +67,26 @@ a `+' character,
will not do utmp and wtmp accounting for that process. This is needed for
gettys that insist on doing their own utmp/wtmp housekeeping. This is also
a historic bug. The length of this field is limited to 127 characters.
Please note that including certain characters in the process field will result
in
.B init
attempting to launch a shell to interpret the command contained in the process field.
The characters which will trigger a shell are:
.B ~`!$^&*()=|\{}[];\"'<>?
On systems which do not have a shell to be launched or which do not wish to
use a shell to interpret the process field, the process field can be prefixed
with the @ symbol. The @ will be ignored and everything followed will be treated
as a command to be launched, literally, by the
.B init
service.
In cases where both a + and @ sign are to be used (to turn off logging and shell
interpretation), place the + sign before the @ symbol. Both flags will be handled
and then everything following the @ will be handled by
.B init
.\"}}}
.PP
The \fIrunlevels\fP field may contain multiple characters for different

2
man/killall5.8
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH KILLALL5 8 "04 Nov 2003" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH KILLALL5 8 "04 Nov 2003" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
killall5 - send a signal to all processes
.SH SYNOPSIS

2
man/last.1
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH LAST, LASTB 1 "Jul 31, 2004" "sysvinit @VERSION@" "User Commands"
.TH LAST, LASTB 1 "Jul 31, 2004" "sysvinit " "User Commands"
.\"}}}
.\"{{{ Name
.SH NAME

2
man/logsave.8
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@ -2,7 +2,7 @@
.\" Copyright 2003 by Theodore Ts'o. All Rights Reserved.
.\" This file may be copied under the terms of the GNU Public License.
.\"
.TH LOGSAVE 8 "" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH LOGSAVE 8 "" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
logsave \- save the output of a command in a logfile
.SH SYNOPSIS

2
man/mesg.1
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH MESG 1 "Feb 26, 2001" "sysvinit @VERSION@" "User Commands"
.TH MESG 1 "Feb 26, 2001" "sysvinit " "User Commands"
.\"}}}
.\"{{{ Name
.SH NAME

2
man/mountpoint.1
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH MOUNTPOINT 1 "Mar 15, 2004" "sysvinit @VERSION@" "User Commands"
.TH MOUNTPOINT 1 "Mar 15, 2004" "sysvinit " "User Commands"
.SH NAME
mountpoint \- see if a directory is a mountpoint
.SH SYNOPSIS

2
man/pidof.8
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH PIDOF 8 "01 Sep 1998" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH PIDOF 8 "01 Sep 1998" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
pidof - find the process ID of a running program
.SH SYNOPSIS

2
man/readbootlog.1
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH READBOOTLOG 1 "NOV 12, 2018" "sysvinit @VERSION@" "User Commands"
.TH READBOOTLOG 1 "NOV 12, 2018" "sysvinit " "User Commands"
.\"}}}
.\"{{{ Name
.SH NAME

2
man/runlevel.8
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH RUNLEVEL 8 "May 27, 1997" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH RUNLEVEL 8 "May 27, 1997" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
runlevel - find the previous and current system runlevel
.SH SYNOPSIS

2
man/shutdown.8
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@ -17,7 +17,7 @@
.\"
.\"{{{}}}
.\"{{{ Title
.TH SHUTDOWN 8 "November 12, 2003" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH SHUTDOWN 8 "November 12, 2003" "sysvinit " "Linux System Administrator's Manual"
.\"}}}
.\"{{{ Name
.SH NAME

2
man/sulogin.8
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH SULOGIN 8 "17 Jan 2006" "sysvinit @VERSION@" "Linux System Administrator's Manual"
.TH SULOGIN 8 "17 Jan 2006" "sysvinit " "Linux System Administrator's Manual"
.SH NAME
sulogin \- Single-user login
.SH SYNOPSIS

2
man/utmpdump.1
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH UTMPDUMP 1 "Februar 8, 2010" "sysvinit @VERSION@" "User Commands"
.TH UTMPDUMP 1 "Februar 8, 2010" "sysvinit " "User Commands"
.SH NAME
utmpdump \- dump UTMP and WTMP files in raw format
.SH SYNOPSIS

2
man/wall.1
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@ -15,7 +15,7 @@
.\" along with this program; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
.\"
.TH WALL 1 "15 April 2003" "sysvinit @VERSION@" "User Commands"
.TH WALL 1 "15 April 2003" "sysvinit " "User Commands"
.SH NAME
wall - send a message to everybody's terminal

7
src/init.c
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@ -1097,10 +1097,12 @@ pid_t spawn(CHILD *ch, int *res)
break;
}
}
if (proc[0] == '@') proc++; /*skip leading backslash */
args[6] = proc;
args[7] = NULL;
} else if (strpbrk(proc, "~`!$^&*()=|\\{}[];\"'<>?")) {
} else if ( (strpbrk(proc, "~`!$^&*()=|\\{}[];\"'<>?")) && (proc[0] != '@') ){
/* See if we need to fire off a shell for this command */
/* Do not launch shell if first character in proc string is an at symbol */
/* Give command line to shell */
args[1] = SHELL;
args[2] = "-c";
@ -1111,6 +1113,7 @@ pid_t spawn(CHILD *ch, int *res)
} else {
/* Split up command line arguments */
buf[0] = 0;
if (proc[0] == '@') proc++;
strncat(buf, proc, sizeof(buf) - 1);
ptr = buf;
for(f = 1; f < 15; f++) {
@ -1312,7 +1315,7 @@ pid_t spawn(CHILD *ch, int *res)
if (pid == -1) {
initlog(L_VB, "cannot fork, retry..");
do_msleep(SHORT_SLEEP);
do_msleep(SHORT_SLEEP);
continue;
}
return(pid);