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Move the env whitelists to an rc var and build in the system whitelist.

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This commit is contained in:
Roy Marples 2008-01-05 20:43:08 +00:00
parent ac21d75300
commit c92be49041
4 changed files with 52 additions and 65 deletions
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6
conf.d/env_whitelist
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@ -1,6 +0,0 @@
# /etc/conf.d/env_whitelist: Environment whitelist for rc-system
# Specify which variables are allowed to be passed from the environment to the
# rc-system. If it is not set by the environment, then the variable will be
# taken from /etc/profile.env - meaning, if you need to set LANG or such,
# do it in a /etc/env.d/99myownstuff file for example, and run env-update.

4
etc/rc.conf
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@ -52,6 +52,10 @@ rc_force_auto="NO"
# /var/log/rc.log
rc_logger="NO"
# By default we filter the environment for our running scripts. To allow other
# variables through, add them here. Use a * to allow all variables through.
# rc_env_allow="VAR1 VAR2"
##############################################################################
# MISC CONFIGURATION VARIABLES
# There variables are shared between many init scripts

48
src/env_whitelist
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@ -1,48 +0,0 @@
# System environment whitelist for rc-system
# See /etc/conf.d/env_whitelist for details.
#
# Internal variables needed for operation of rc-system
# NB: Do not modify below this line if you do not know what you are doing!!
#
# Hotplug
IN_HOTPLUG
# RC network script support
IN_BACKGROUND
RC_INTERFACE_KEEP_CONFIG
# Default shell stuff
PATH
SHELL
USER
HOME
TERM
# Language variables
LANG
LC_CTYPE
LC_NUMERIC
LC_TIME
LC_COLLATE
LC_MONETARY
LC_MESSAGES
LC_PAPER
LC_NAME
LC_ADDRESS
LC_TELEPHONE
LC_MEASUREMENT
LC_IDENTIFICATION
LC_ALL
# From /sbin/init
INIT_HALT
INIT_VERSION
RUNLEVEL
PREVLEVEL
CONSOLE
# Allow this through too so we can prefer stuff in /lib when shutting down
# or going to single mode.
LD_LIBRARY_PATH

59
src/rc/rc-misc.c
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@ -44,8 +44,8 @@
#include <string.h>
#include "rc.h"
#include "rc-misc.h"
#include "strlist.h"
#include "../rc-misc.h"
#include "../strlist.h"
#define PROFILE_ENV "/etc/profile.env"
#define SYS_WHITELIST RC_LIBDIR "/conf.d/env_whitelist"
@ -113,17 +113,54 @@ char **env_filter (void)
char *p;
int pplen = strlen (PATH_PREFIX);
whitelist = rc_config_list (SYS_WHITELIST);
if (! whitelist)
fprintf (stderr, "system environment whitelist (" SYS_WHITELIST ") missing\n");
/* Init a system whitelist, start with shell vars we need */
rc_strlist_add (&whitelist, "PATH");
rc_strlist_add (&whitelist, "SHELL");
rc_strlist_add (&whitelist, "USER");
rc_strlist_add (&whitelist, "HOME");
rc_strlist_add (&whitelist, "TERM");
env = rc_config_list (USR_WHITELIST);
rc_strlist_join (&whitelist, env);
rc_strlist_free (env);
env = NULL;
/* Add Language vars */
rc_strlist_add (&whitelist, "LANG");
rc_strlist_add (&whitelist, "LC_CTYPE");
rc_strlist_add (&whitelist, "LC_NUMERIC");
rc_strlist_add (&whitelist, "LC_TIME");
rc_strlist_add (&whitelist, "LC_COLLATE");
rc_strlist_add (&whitelist, "LC_MONETARY");
rc_strlist_add (&whitelist, "LC_MESSAGES");
rc_strlist_add (&whitelist, "LC_PAPER");
rc_strlist_add (&whitelist, "LC_NAME");
rc_strlist_add (&whitelist, "LC_ADDRESS");
rc_strlist_add (&whitelist, "LC_TELEPHONE");
rc_strlist_add (&whitelist, "LC_MEASUREMENT");
rc_strlist_add (&whitelist, "LC_IDENTIFICATION");
rc_strlist_add (&whitelist, "LC_ALL");
if (! whitelist)
return (NULL);
/* Allow rc to override library path */
rc_strlist_add (&whitelist, "LD_LIBRARY_PATH");
/* We need to know sysvinit stuff - we emulate this for BSD too */
rc_strlist_add (&whitelist, "INIT_HALT");
rc_strlist_add (&whitelist, "INIT_VERSION");
rc_strlist_add (&whitelist, "RUNLEVEL");
rc_strlist_add (&whitelist, "PREVLEVEL");
rc_strlist_add (&whitelist, "CONSOLE");
/* Hotplug and daemon vars */
rc_strlist_add (&whitelist, "IN_HOTPLUG");
rc_strlist_add (&whitelist, "IN_BACKGROUND");
rc_strlist_add (&whitelist, "RC_INTERFACE_KEEP_CONFIG");
/* Add the user defined list of vars */
e = env_name = xstrdup (rc_conf_value ("rc_env_allow"));
while ((token = strsep (&e, " "))) {
if (token[0] == '*') {
free (env_name);
return (NULL);
}
rc_strlist_add (&whitelist, token);
}
free (env_name);
if (exists (PROFILE_ENV))
profile = rc_config_load (PROFILE_ENV);