# HG changeset patch
# User smh22@xxxxxxxxxxxxxxxxxxxx
# Node ID 37da8dd5d43e7c43d0554ee6a8db048962cd7d1b
# Parent 65ce9bf4a86f40fe3a1774a992951ef0475cc601
This patch deletes the old shell-based security tools.
Signed-off by: Reiner Sailer <sailer@xxxxxxxxxx>
diff -r 65ce9bf4a86f -r 37da8dd5d43e tools/security/get_decision.c
--- a/tools/security/get_decision.c Mon Apr 24 10:52:19 2006 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-/****************************************************************
- * get_decision.c
- *
- * Copyright (C) 2005 IBM Corporation
- *
- * Authors:
- * Reiner Sailer <sailer@xxxxxxxxxxxxxx>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, version 2 of the
- * License.
- *
- * An example program that shows how to retrieve an access control
- * decision from the hypervisor ACM based on the currently active policy.
- *
- */
-
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <getopt.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdlib.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <xen/acm.h>
-#include <xen/acm_ops.h>
-#include <xen/linux/privcmd.h>
-
-#define PERROR(_m, _a...) \
-fprintf(stderr, "ERROR: " _m " (%d = %s)\n" , ## _a , \
- errno, strerror(errno))
-
-void usage(char *progname)
-{
- printf("Use: %s \n", progname);
- printf(" Test program illustrating the retrieval of\n");
- printf(" access control decisions from xen. At this time,\n");
- printf(" only sharing (STE) policy decisions are supported.\n");
- printf(" parameter options:\n");
- printf("\t -i domid -i domid\n");
- printf("\t -i domid -s ssidref\n");
- printf("\t -s ssidref -s ssidref\n\n");
- exit(-1);
-}
-
-static inline int do_policycmd(int xc_handle, unsigned int cmd,
- unsigned long data)
-{
- return ioctl(xc_handle, cmd, data);
-}
-
-static inline int do_xen_hypercall(int xc_handle,
- privcmd_hypercall_t * hypercall)
-{
- return do_policycmd(xc_handle,
- IOCTL_PRIVCMD_HYPERCALL,
- (unsigned long) hypercall);
-}
-
-static inline int do_acm_op(int xc_handle, struct acm_op *op)
-{
- int ret = -1;
- privcmd_hypercall_t hypercall;
-
- op->interface_version = ACM_INTERFACE_VERSION;
-
- hypercall.op = __HYPERVISOR_acm_op;
- hypercall.arg[0] = (unsigned long) op;
-
- if (mlock(op, sizeof(*op)) != 0) {
- PERROR("Could not lock memory for Xen policy hypercall");
- goto out1;
- }
-
- if ((ret = do_xen_hypercall(xc_handle, &hypercall)) < 0) {
- if (errno == EACCES)
- fprintf(stderr, "ACM operation failed -- need to"
- " rebuild the user-space tool set?\n");
- goto out2;
- }
-
- out2:(void) munlock(op, sizeof(*op));
- out1:return ret;
-}
-
-
-/************************ get decision ******************************/
-
-/* this example uses two domain ids and retrieves the decision if these domains
- * can share information (useful, i.e., to enforce policy onto network traffic
in dom0
- */
-int acm_get_decision(int xc_handle, int argc, char *const argv[])
-{
- struct acm_op op;
- int ret;
-
- op.cmd = ACM_GETDECISION;
- op.interface_version = ACM_INTERFACE_VERSION;
- op.u.getdecision.get_decision_by1 = UNSET;
- op.u.getdecision.get_decision_by2 = UNSET;
- op.u.getdecision.hook = SHARING;
-
- while (1) {
- int c = getopt(argc, argv, "i:s:");
- if (c == -1)
- break;
-
- if (c == 'i') {
- if (op.u.getdecision.get_decision_by1 == UNSET) {
- op.u.getdecision.get_decision_by1 = DOMAINID;
- op.u.getdecision.id1.domainid = strtoul(optarg, NULL, 0);
- } else if (op.u.getdecision.get_decision_by2 == UNSET) {
- op.u.getdecision.get_decision_by2 = DOMAINID;
- op.u.getdecision.id2.domainid = strtoul(optarg, NULL, 0);
- } else
- usage(argv[0]);
- } else if (c == 's') {
- if (op.u.getdecision.get_decision_by1 == UNSET) {
- op.u.getdecision.get_decision_by1 = SSIDREF;
- op.u.getdecision.id1.ssidref = strtoul(optarg, NULL, 0);
- } else if (op.u.getdecision.get_decision_by2 == UNSET) {
- op.u.getdecision.get_decision_by2 = SSIDREF;
- op.u.getdecision.id2.ssidref = strtoul(optarg, NULL, 0);
- } else
- usage(argv[0]);
- } else
- usage(argv[0]);
- }
- if ((op.u.getdecision.get_decision_by1 == UNSET) ||
- (op.u.getdecision.get_decision_by2 == UNSET))
- usage(argv[0]);
-
- if ((ret = do_acm_op(xc_handle, &op))) {
- printf("%s: Error getting decision (%d).\n", __func__, ret);
- printf("%s: decision = %s.\n", __func__,
- (op.u.getdecision.acm_decision ==
- ACM_ACCESS_PERMITTED) ? "PERMITTED" : ((op.u.getdecision.
- acm_decision ==
- ACM_ACCESS_DENIED)
- ? "DENIED" :
- "ERROR"));
- return ret;
- }
- return op.u.getdecision.acm_decision;
-}
-
-/***************************** main **************************************/
-
-int main(int argc, char **argv)
-{
-
- int acm_cmd_fd, ret = 0;
-
- if (argc < 5)
- usage(argv[0]);
-
- if ((acm_cmd_fd = open("/proc/xen/privcmd", O_RDONLY)) <= 0) {
- printf("ERROR: Could not open xen privcmd device!\n");
- exit(-1);
- }
-
- ret = acm_get_decision(acm_cmd_fd, argc, argv);
-
- printf("Decision: %s (%d)\n",
- (ret == ACM_ACCESS_PERMITTED) ? "PERMITTED" :
- ((ret == ACM_ACCESS_DENIED) ? "DENIED" : "ERROR"), ret);
-
- close(acm_cmd_fd);
- return ret;
-}
diff -r 65ce9bf4a86f -r 37da8dd5d43e tools/security/getlabel.sh
--- a/tools/security/getlabel.sh Mon Apr 24 10:52:19 2006 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,94 +0,0 @@
-#!/bin/sh
-# *
-# * getlabel
-# *
-# * Copyright (C) 2005 IBM Corporation
-# *
-# * Authors:
-# * Stefan Berger <stefanb@xxxxxxxxxx>
-# *
-# * This program is free software; you can redistribute it and/or
-# * modify it under the terms of the GNU General Public License as
-# * published by the Free Software Foundation, version 2 of the
-# * License.
-# *
-# * 'getlabel' tries to find the labels corresponding to the ssidref
-# *
-# * 'getlabel -?' shows the usage of the program
-# *
-# * 'getlabel -sid <ssidref> [<policy name>]' lists the label corresponding
-# * to the given ssidref.
-# *
-# * 'getlabel -dom <domain id> [<policy name>]' lists the label of the
-# * domain with given id
-# *
-#
-
-if [ -z "$runbash" ]; then
- runbash="1"
- export runbash
- exec sh -c "bash $0 $*"
-fi
-
-
-export PATH=$PATH:.
-dir=`dirname $0`
-source $dir/labelfuncs.sh
-
-usage ()
-{
- prg=`basename $0`
-echo "Use this tool to display the label of a domain or the label that is
-corresponding to an ssidref given the name of the running policy.
-
-Usage: $prg -sid <ssidref> [<policy name> [<policy dir>]] or
- $prg -dom <domid> [<policy name> [<policy dir>]]
-
-policy name : the name of the policy, i.e. 'chwall'
- If the policy name is omitted, the grub.conf
- entry of the running system is tried to be read
- and the policy name determined from there.
-policy dir : the directory where the <policy name> policy is located
- The default location is '/etc/xen/acm-security/policies'
-ssidref : an ssidref in hex or decimal format, i.e., '0x00010002'
- or '65538'
-domid : id of the domain, i.e., '1'; Use numbers from the 2nd
- column shown when invoking 'xm list'
-"
-}
-
-
-
-if [ "$1" == "-h" ]; then
- usage
- exit 0
-elif [ "$1" == "-dom" ]; then
- mode="domid"
- shift
-elif [ "$1" == "-sid" ]; then
- mode="sid"
- shift
-else
- usage
- exit -1
-fi
-
-setPolicyVars $2 $3
-findMapFile $policy $policydir
-ret=$?
-if [ $ret -eq 0 ]; then
- echo "Could not find map file for policy '$policy'."
- exit -1
-fi
-
-if [ "$mode" == "domid" ]; then
- getSSIDUsingSecpolTool $1
- ret=$?
- if [ $ret -eq 0 ]; then
- echo "Could not determine the SSID of the domain."
- exit -1
- fi
- translateSSIDREF $ssid $mapfile
-else # mode == sid
- translateSSIDREF $1 $mapfile
-fi
diff -r 65ce9bf4a86f -r 37da8dd5d43e tools/security/labelfuncs.sh
--- a/tools/security/labelfuncs.sh Mon Apr 24 10:52:19 2006 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,799 +0,0 @@
-# *
-# * labelfuncs.sh
-# *
-# * Copyright (C) 2005 IBM Corporation
-# *
-# * Authors:
-# * Stefan Berger <stefanb@xxxxxxxxxx>
-# *
-# * This program is free software; you can redistribute it and/or
-# * modify it under the terms of the GNU General Public License as
-# * published by the Free Software Foundation, version 2 of the
-# * License.
-# *
-# *
-# * A collection of functions to handle polcies, mapfiles,
-# * and ssidrefs.
-#
-
-
-#Some global variables for tools using this module
-ACM_DEFAULT_ROOT="/etc/xen/acm-security"
-
-# Set the policy and policydir variables
-# Parameters:
-# 1st : possible policy name
-# 2nd : possible policy directory
-# Results:
-# The variables policy and policydir will hold the values for locating
-# policy information
-# If there are no errors, the functions returns a '1',
-# a '0' otherwise.
-setPolicyVars ()
-{
- local ret
- # Set default values
- policydir="$ACM_DEFAULT_ROOT/policies"
- policy=""
-
- if [ "$1" == "" ]; then
- findGrubConf
- ret=$?
- if [ $ret -eq 0 ]; then
- echo "Could not find grub.conf."
- return 0;
- fi
- findPolicyInGrub $grubconf
- if [ "$policy" == "" ]; then
- echo "Could not find policy in grub.conf. Looked for
entry using kernel $linux."
- return 0;
- fi
- echo "Assuming policy to be '$policy'.";
- else
- policy=$1
- if [ "$2" != "" ]; then
- policydir=$2
- fi
- fi
-
- return 1
-}
-
-# Find the mapfile given a policy nmame
-# Parameters:
-# 1st : the name of the policy whose map file is to be found, i.e.,
-# chwall
-# 2nd : the policy directory for locating the map file
-# Results:
-# The variable mapfile will hold the realtive path to the mapfile
-# for the given policy.
-# In case the mapfile could be found, the functions returns a '1',
-# a '0' otherwise.
-findMapFile ()
-{
- mapfile="$2/$1/$1.map"
- if [ -r "$mapfile" ]; then
- return 1
- fi
- return 0
-}
-
-
-# Determine the name of the primary policy
-# Parameters
-# 1st : the path to the mapfile; the path may be relative
-# to the current directory
-# Results
-# The variable primary will hold the name of the primary policy
-getPrimaryPolicy ()
-{
- local mapfile=$1
- primary=`cat $mapfile | \
- awk ' \
- { \
- if ( $1 == "PRIMARY" ) { \
- res=$2; \
- } \
- } END { \
- print res; \
- } '`
-}
-
-
-# Determine the name of the secondary policy
-# Parameters
-# 1st : the path to the mapfile; the path may be relative
-# to the current directory
-# Results
-# The variable secondary will hold the name of the secondary policy
-getSecondaryPolicy ()
-{
- local mapfile=$1
- secondary=`cat $mapfile | \
- awk ' \
- { \
- if ( $1 == "SECONDARY" ) { \
- res=$2; \
- } \
- } END { \
- print res; \
- } '`
-}
-
-
-#Return where the grub.conf file is.
-#I only know of one place it can be.
-#Returns:
-# 1 : if the file is writeable and readable
-# 2 : if the file is only readable
-# 0 : if the file does not exist
-findGrubConf()
-{
- grubconf="/boot/grub/grub.conf"
- if [ -w $grubconf ]; then
- return 1
- fi
- if [ -r $grubconf ]; then
- return 2
- fi
- return 0
-}
-
-
-# This function sets the global variable 'linux'
-# to the name and version of the Linux kernel that was compiled
-# for domain 0.
-# If this variable could not be found, the variable 'linux'
-# will hold a pattern
-# Parameters:
-# 1st: the path to reach the root directory of the XEN build tree
-# where linux-*-xen is located at
-# Results:
-# The variable linux holds then name and version of the compiled
-# kernel, i.e., 'vmlinuz-2.6.12-xen'
-getLinuxVersion ()
-{
- local path
- local versionfile
- local lnx
- if [ "$1" == "" ]; then
- path="/lib/modules/*-xen"
- else
- path="/lib/modules/$1"
- fi
-
- linux=""
- for f in $path ; do
- versionfile=$f/build/include/linux/version.h
- if [ -r $versionfile ]; then
- lnx=`cat $versionfile | \
- grep UTS_RELEASE | \
- awk '{ \
- len=length($3); \
- version=substr($3,2,len-2); \
- split(version,numbers,"."); \
- if (numbers[4]=="") { \
- printf("%s.%s.%s", \
- numbers[1], \
- numbers[2], \
- numbers[3]); \
- } else { \
- printf("%s.%s.%s[.0-9]*-xen", \
- numbers[1], \
- numbers[2], \
- numbers[3]); \
- } \
- }'`
- fi
- if [ "$lnx" != "" ]; then
- linux="[./0-9a-zA-z]*$lnx"
- return;
- fi
- done
-
- #Last resort.
- linux="vmlinuz-2.[45678].[0-9]*[.0-9]*-xen$"
-}
-
-
-# Find out with which policy the hypervisor was booted with.
-# Parameters
-# 1st : The complete path to grub.conf, i.e., /boot/grub/grub.conf
-# Result:
-# Sets the variable 'policy' to the name of the policy
-findPolicyInGrub ()
-{
- local grubconf=$1
- local linux=`uname -r`
- policy=`cat $grubconf | \
- awk -vlinux=$linux '{ \
- if ( $1 == "title" ) { \
- kernelfound = 0; \
- policymaycome = 0; \
- } \
- else if ( $1 == "kernel" ) { \
- if ( match($2,"xen.gz$") ) { \
- pathlen=RSTART; \
- kernelfound = 1; \
- } \
- } \
- else if ( $1 == "module" && \
- kernelfound == 1 && \
- match($2,linux) ) { \
- policymaycome = 1; \
- } \
- else if ( $1 == "module" && \
- kernelfound == 1 && \
- policymaycome == 1 && \
- match($2,"[0-9a-zA-Z_]*.bin$") ) { \
- policymaycome = 0; \
- kernelfound = 0; \
- polname = substr($2,pathlen); \
- len=length(polname); \
- polname = substr(polname,0,len-4); \
- } \
- } END { \
- print polname \
- }'`
-}
-
-
-# Get the SSID of a domain
-# Parameters:
-# 1st : domain ID, i.e. '1'
-# Results
-# If the ssid could be found, the variable 'ssid' will hold
-# the currently used ssid in the hex format, i.e., '0x00010001'.
-# The funtion returns '1' on success, '0' on failure
-getSSIDUsingSecpolTool ()
-{
- local domid=$1
- export PATH=$PATH:.
- ssid=`xensec_tool getssid -d $domid -f | \
- grep -E "SSID:" | \
- awk '{ print $4 }'`
-
- if [ "$ssid" != "" ]; then
- return 1
- fi
- return 0
-}
-
-
-# Break the ssid identifier into its high and low values,
-# which are equal to the secondary and primary policy references.
-# Parameters:
-# 1st: ssid to break into high and low value, i.e., '0x00010002'
-# Results:
-# The variable ssidlo_int and ssidhi_int will hold the low and
-# high ssid values as integers.
-getSSIDLOHI ()
-{
- local ssid=$1
- ssidlo_int=`echo $ssid | awk \
- '{ \
- len=length($0); \
- beg=substr($0,1,2); \
- if ( beg == "0x" ) { \
- dig = len - 2; \
- if (dig <= 0) { \
- exit; \
- } \
- if (dig > 4) { \
- dig=4; \
- } \
- lo=sprintf("0x%s",substr($0,len-dig+1,dig)); \
- print strtonum(lo);\
- } else { \
- lo=strtonum($0); \
- if (lo < 65536) { \
- print lo; \
- } else { \
- hi=lo; \
- hi2= (hi / 65536);\
- hi2_str=sprintf("%d",hi2); \
- hi2=strtonum(hi2_str);\
- lo=hi-(hi2*65536); \
- printf("%d",lo); \
- } \
- } \
- }'`
- ssidhi_int=`echo $ssid | awk \
- '{ \
- len=length($0); \
- beg=substr($0,1,2); \
- if ( beg == "0x" ) { \
- dig = len - 2; \
- if (dig <= 0 || \
- dig > 8) { \
- exit; \
- } \
- if (dig < 4) { \
- print 0; \
- exit; \
- } \
- dig -= 4; \
- hi=sprintf("0x%s",substr($0,len-4-dig+1,dig)); \
- print strtonum(hi);\
- } else { \
- hi=strtonum($0); \
- if (hi >= 65536) { \
- hi = hi / 65536; \
- printf ("%d",hi);\
- } else { \
- printf ("0"); \
- } \
- } \
- }'`
- if [ "$ssidhi_int" == "" -o \
- "$ssidlo_int" == "" ]; then
- return 0;
- fi
- return 1
-}
-
-
-#Update the grub configuration file.
-#Search for existing entries and replace the current
-#policy entry with the policy passed to this script
-#
-#Arguments passed to this function
-# 1st : the grub configuration file with full path
-# 2nd : the binary policy file name, i.e. chwall.bin
-# 3rd : the name or pattern of the linux kernel name to match
-# (this determines where the module entry will be made)
-#
-# The algorithm here is based on pattern matching
-# and is working correctly if
-# - under a title a line beginning with 'kernel' is found
-# whose following item ends with "xen.gz"
-# Example: kernel /xen.gz dom0_mem=....
-# - a module line matching the 3rd parameter is found
-#
-updateGrub ()
-{
- local grubconf=$1
- local policyfile=$2
- local linux=$3
-
- local tmpfile="/tmp/new_grub.conf"
-
- cat $grubconf | \
- awk -vpolicy=$policyfile \
- -vlinux=$linux '{ \
- if ( $1 == "title" ) { \
- kernelfound = 0; \
- if ( policymaycome == 1 ){ \
- printf ("\tmodule %s%s\n", path, policy); \
- } \
- policymaycome = 0; \
- } \
- else if ( $1 == "kernel" ) { \
- if ( match($2,"xen.gz$") ) { \
- path=substr($2,1,RSTART-1); \
- kernelfound = 1; \
- } \
- } \
- else if ( $1 == "module" && \
- kernelfound == 1 && \
- match($2,linux) ) { \
- policymaycome = 1; \
- } \
- else if ( $1 == "module" && \
- kernelfound == 1 && \
- policymaycome == 1 && \
- match($2,"[0-9a-zA-Z]*.bin$") ) { \
- printf ("\tmodule %s%s\n", path, policy); \
- policymaycome = 0; \
- kernelfound = 0; \
- dontprint = 1; \
- } \
- else if ( $1 == "" && \
- kernelfound == 1 && \
- policymaycome == 1) { \
- dontprint = 1; \
- } \
- if (dontprint == 0) { \
- printf ("%s\n", $0); \
- } \
- dontprint = 0; \
- } END { \
- if ( policymaycome == 1 ) { \
- printf ("\tmodule %s%s\n", path, policy); \
- } \
- }' > $tmpfile
- if [ ! -r $tmpfile ]; then
- echo "Could not create temporary file! Aborting."
- exit -1
- fi
- diff $tmpfile $grubconf > /dev/null
- RES=$?
- if [ "$RES" == "0" ]; then
- echo "No changes were made to $grubconf."
- else
- echo "Successfully updated $grubconf."
- mv -f $tmpfile $grubconf
- fi
-}
-
-
-#Compile a policy into its binary representation
-# Parameters:
-# 1st: The directory where the ./policies directory is located at
-# 2nd: The name of the policy
-genBinPolicy ()
-{
- local root=$1
- local policy=$2
- pushd $root > /dev/null
- xensec_xml2bin -d policies $policy > /dev/null
- popd > /dev/null
-}
-
-
-# Copy the bootpolicy into the destination directory
-# Generate the policy's .bin and .map files if necessary
-# Parameters:
-# 1st: Destination directory
-# 2nd: The root directory of the security tools; this is where the
-# policies directory is located at
-# 3rd: The policy name
-# Returns '1' on success, '0' on failure.
-cpBootPolicy ()
-{
- local dest=$1
- local root=$2
- local policy=$3
- local binfile=$root/policies/$policy/$policy.bin
- local dstfile=$dest/$policy.bin
- if [ ! -e $binfile ]; then
- genBinPolicy $root $policy
- if [ ! -e $binfile ]; then
- echo "Could not compile policy '$policy'."
- return 0
- fi
- fi
-
- if [ ! -e $dstfile -o \
- $binfile -nt $dstfile ]; then
- cp -f $binfile $dstfile
- fi
- return 1
-}
-
-
-# Display all the labels in a given mapfile
-# Parameters
-# 1st: Full or relative path to the policy's mapfile
-showLabels ()
-{
- local mapfile=$1
- local line
- local ITEM
- local found=0
-
- if [ ! -r "$mapfile" -o "$mapfile" == "" ]; then
- echo "Cannot read from vm configuration file $vmfile."
- return -1
- fi
-
- getPrimaryPolicy $mapfile
- getSecondaryPolicy $mapfile
-
- echo "The following labels are available:"
- let line=1
- while [ 1 ]; do
- ITEM=`cat $mapfile | \
- awk -vline=$line \
- -vprimary=$primary \
- '{ \
- if ($1 == "LABEL->SSID" && \
- $2 == "VM" && \
- $3 == primary ) { \
- ctr++; \
- if (ctr == line) { \
- print $4; \
- } \
- } \
- } END { \
- }'`
-
- if [ "$ITEM" == "" ]; then
- break
- fi
- if [ "$secondary" != "NULL" ]; then
- LABEL=`cat $mapfile | \
- awk -vitem=$ITEM \
- '{
- if ($1 == "LABEL->SSID" && \
- $2 == "VM" && \
- $3 == "CHWALL" && \
- $4 == item ) { \
- result = item; \
- } \
- } END { \
- print result \
- }'`
- else
- LABEL=$ITEM
- fi
-
- if [ "$LABEL" != "" ]; then
- echo "$LABEL"
- found=1
- fi
- let line=line+1
- done
- if [ "$found" != "1" ]; then
- echo "No labels found."
- fi
-}
-
-
-# Get the default SSID given a mapfile and the policy name
-# Parameters
-# 1st: Full or relative path to the policy's mapfile
-# 2nd: the name of the policy
-getDefaultSsid ()
-{
- local mapfile=$1
- local pol=$2
- RES=`cat $mapfile \
- awk -vpol=$pol \
- { \
- if ($1 == "LABEL->SSID" && \
- $2 == "ANY" && \
- $3 == pol && \
- $4 == "DEFAULT" ) {\
- res=$5; \
- } \
- } END { \
- printf "%04x", strtonum(res) \
- }'`
- echo "default NULL mapping is $RES"
- defaultssid=$RES
-}
-
-
-#Relabel a VM configuration file
-# Parameters
-# 1st: Full or relative path to the VM configuration file
-# 2nd: The label to translate into an ssidref
-# 3rd: Full or relative path to the policy's map file
-# 4th: The mode this function is supposed to operate in:
-# 'relabel' : Relabels the file without querying the user
-# other : Prompts the user whether to proceed
-relabel ()
-{
- local vmfile=$1
- local label=$2
- local mapfile=$3
- local mode=$4
- local SSIDLO
- local SSIDHI
- local RES
-
- if [ ! -r "$vmfile" ]; then
- echo "Cannot read from vm configuration file $vmfile."
- return -1
- fi
-
- if [ ! -w "$vmfile" ]; then
- echo "Cannot write to vm configuration file $vmfile."
- return -1
- fi
-
- if [ ! -r "$mapfile" ] ; then
- echo "Cannot read mapping file $mapfile."
- return -1
- fi
-
- # Determine which policy is primary, which sec.
- getPrimaryPolicy $mapfile
- getSecondaryPolicy $mapfile
-
- # Calculate the primary policy's SSIDREF
- if [ "$primary" == "NULL" ]; then
- SSIDLO="0001"
- else
- SSIDLO=`cat $mapfile | \
- awk -vlabel=$label \
- -vprimary=$primary \
- '{ \
- if ( $1 == "LABEL->SSID" && \
- $2 == "VM" && \
- $3 == primary && \
- $4 == label ) { \
- result=$5 \
- } \
- } END { \
- if (result != "" ) \
- {printf "%04x", strtonum(result)}\
- }'`
- fi
-
- # Calculate the secondary policy's SSIDREF
- if [ "$secondary" == "NULL" ]; then
- if [ "$primary" == "NULL" ]; then
- SSIDHI="0001"
- else
- SSIDHI="0000"
- fi
- else
- SSIDHI=`cat $mapfile | \
- awk -vlabel=$label \
- -vsecondary=$secondary \
- '{ \
- if ( $1 == "LABEL->SSID" && \
- $2 == "VM" && \
- $3 == secondary && \
- $4 == label ) { \
- result=$5 \
- } \
- } END { \
- if (result != "" ) \
- {printf "%04x", strtonum(result)}\
- }'`
- fi
-
- if [ "$SSIDLO" == "" -o \
- "$SSIDHI" == "" ]; then
- echo "Could not map the given label '$label'."
- return -1
- fi
-
- ACM_POLICY=`cat $mapfile | \
- awk ' { if ( $1 == "POLICY" ) { \
- result=$2 \
- } \
- } \
- END { \
- if (result != "") { \
- printf result \
- } \
- }'`
-
- if [ "$ACM_POLICY" == "" ]; then
- echo "Could not find 'POLICY' entry in map file."
- return -1
- fi
-
- SSIDREF="0x$SSIDHI$SSIDLO"
-
- if [ "$mode" != "relabel" ]; then
- RES=`cat $vmfile | \
- awk '{ \
- if ( substr($1,0,7) == "ssidref" ) {\
- print $0; \
- } \
- }'`
- if [ "$RES" != "" ]; then
- echo "Do you want to overwrite the existing mapping
($RES)? (y/N)"
- read user
- if [ "$user" != "y" -a "$user" != "Y" ]; then
- echo "Aborted."
- return 0
- fi
- fi
- fi
-
- #Write the output
- local vmtmp1="/tmp/__setlabel.tmp1"
- local vmtmp2="/tmp/__setlabel.tmp2"
- touch $vmtmp1
- touch $vmtmp2
- if [ ! -w "$vmtmp1" -o ! -w "$vmtmp2" ]; then
- echo "Cannot create temporary files. Aborting."
- return -1
- fi
- RES=`sed -e '/^#ACM_POLICY/d' $vmfile > $vmtmp1`
- RES=`sed -e '/^#ACM_LABEL/d' $vmtmp1 > $vmtmp2`
- RES=`sed -e '/^ssidref/d' $vmtmp2 > $vmtmp1`
- echo "#ACM_POLICY=$ACM_POLICY" >> $vmtmp1
- echo "#ACM_LABEL=$label" >> $vmtmp1
- echo "ssidref = $SSIDREF" >> $vmtmp1
- mv -f $vmtmp1 $vmfile
- rm -rf $vmtmp1 $vmtmp2
- echo "Mapped label '$label' to ssidref '$SSIDREF'."
-}
-
-
-# Translate an ssidref into its label. This does the reverse lookup
-# to the relabel function above.
-# This function displays the results.
-# Parameters:
-# 1st: The ssidref to translate; must be in the form '0x00010002'
-# 2nd: Full or relative path to the policy's mapfile
-translateSSIDREF ()
-{
- local ssidref=$1
- local mapfile=$2
- local line1
- local line2
-
- if [ ! -r "$mapfile" -o "$mapfile" == "" ]; then
- echo "Cannot read from vm configuration file $vmfile."
- return -1
- fi
-
- getPrimaryPolicy $mapfile
- getSecondaryPolicy $mapfile
-
- if [ "$primary" == "NULL" -a "$secondary" == "NULL" ]; then
- echo "There are no labels for the NULL policy."
- return
- fi
-
- getSSIDLOHI $ssidref
- ret=$?
- if [ $ret -ne 1 ]; then
- echo "Error while parsing the ssid ref number '$ssidref'."
- fi;
-
- let line1=0
- let line2=0
- while [ 1 ]; do
- ITEM1=`cat $mapfile | \
- awk -vprimary=$primary \
- -vssidlo=$ssidlo_int \
- -vline=$line1 \
- '{ \
- if ( $1 == "LABEL->SSID" && \
- $3 == primary && \
- int($5) == ssidlo ) { \
- if (l == line) { \
- print $4; \
- exit; \
- } \
- l++; \
- } \
- }'`
-
- ITEM2=`cat $mapfile | \
- awk -vsecondary=$secondary \
- -vssidhi=$ssidhi_int \
- -vline=$line2 \
- '{ \
- if ( $1 == "LABEL->SSID" && \
- $3 == secondary && \
- int($5) == ssidhi ) { \
- if (l == line) { \
- print $4; \
- exit; \
- } \
- l++; \
- } \
- }'`
-
- if [ "$secondary" != "NULL" ]; then
- if [ "$ITEM1" == "" ]; then
- let line1=0
- let line2=line2+1
- else
- let line1=line1+1
- fi
-
- if [ "$ITEM1" == "" -a \
- "$ITEM2" == "" ]; then
- echo "Could not determine the referenced label."
- break
- fi
-
- if [ "$ITEM1" == "$ITEM2" ]; then
- echo "Label: $ITEM1"
- break
- fi
- else
- if [ "$ITEM1" != "" ]; then
- echo "Label: $ITEM1"
- else
- if [ "$found" == "0" ]; then
- found=1
- else
- break
- fi
- fi
- let line1=line1+1
- fi
- done
-}
diff -r 65ce9bf4a86f -r 37da8dd5d43e tools/security/setlabel.sh
--- a/tools/security/setlabel.sh Mon Apr 24 10:52:19 2006 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,106 +0,0 @@
-#!/bin/sh
-# *
-# * setlabel
-# *
-# * Copyright (C) 2005 IBM Corporation
-# *
-# * Authors:
-# * Stefan Berger <stefanb@xxxxxxxxxx>
-# *
-# * This program is free software; you can redistribute it and/or
-# * modify it under the terms of the GNU General Public License as
-# * published by the Free Software Foundation, version 2 of the
-# * License.
-# *
-# * 'setlabel' labels virtual machine (domain) configuration files with
-# * security identifiers that can be enforced in Xen.
-# *
-# * 'setlabel -?' shows the usage of the program
-# *
-# * 'setlabel -l vmconfig-file' lists all available labels (only VM
-# * labels are used right now)
-# *
-# * 'setlabel vmconfig-file security-label map-file' inserts the 'ssidref'
-# * that corresponds to the security-label under the
-# * current policy (if policy changes, 'label'
-# * must be re-run over the configuration files;
-# * map-file is created during policy translation and
-# * is found in the policy's directory
-#
-
-if [ -z "$runbash" ]; then
- runbash="1"
- export runbash
- exec sh -c "bash $0 $*"
-fi
-
-export PATH=$PATH:.
-dir=`dirname $0`
-source $dir/labelfuncs.sh
-
-usage ()
-{
- prg=`basename $0`
-echo "Use this tool to put the ssidref corresponding to a label of a policy
into
-the VM configuration file, or use it to display all labels of a policy.
-
-Usage: $prg [-r] <vmfile> <label> [<policy name> [<policy dir>]] or
- $prg -l [<policy name> [<policy dir>]]
-
--r : to relabel a file without being prompted
--l : to show the valid labels in a map file
-vmfile : XEN vm configuration file; give complete path
-label : the label to map to an ssidref
-policy name : the name of the policy, i.e. 'chwall'
- If the policy name is omitted, it is attempted
- to find the current policy's name in grub.conf.
-policy dir : the directory where the <policy name> policy is located
- The default location is '/etc/xen/acm-security/policies'
-"
-}
-
-if [ "$1" == "-r" ]; then
- mode="relabel"
- shift
-elif [ "$1" == "-l" ]; then
- mode="show"
- shift
-elif [ "$1" == "-h" ]; then
- mode="usage"
-fi
-
-if [ "$mode" == "usage" ]; then
- usage
-elif [ "$mode" == "show" ]; then
- setPolicyVars $1 $2
- ret=$?
- if [ $ret -eq 0 ]; then
- echo "Error when trying to find policy-related information."
- exit -1
- fi
- findMapFile $policy $policydir
- ret=$?
- if [ $ret -eq 0 ]; then
- echo "Could not find map file for policy '$policy'."
- exit -1
- fi
- showLabels $mapfile
-else
- if [ "$2" == "" ]; then
- usage
- exit -1
- fi
- setPolicyVars $3 $4
- ret=$?
- if [ $ret -eq 0 ]; then
- echo "Error when trying to find policy-related information."
- exit -1
- fi
- findMapFile $policy $policydir
- ret=$?
- if [ $ret -eq 0 ]; then
- echo "Could not find map file for policy '$policy'."
- exit -1
- fi
- relabel $1 $2 $mapfile $mode
-fi
diff -r 65ce9bf4a86f -r 37da8dd5d43e tools/security/updategrub.sh
--- a/tools/security/updategrub.sh Mon Apr 24 10:52:19 2006 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,90 +0,0 @@
-#!/bin/sh
-# *
-# * updategrub
-# *
-# * Copyright (C) 2005 IBM Corporation
-# *
-# * Authors:
-# * Stefan Berger <stefanb@xxxxxxxxxx>
-# *
-# * This program is free software; you can redistribute it and/or
-# * modify it under the terms of the GNU General Public License as
-# * published by the Free Software Foundation, version 2 of the
-# * License.
-# *
-# *
-#
-
-if [ -z "$runbash" ]; then
- runbash="1"
- export runbash
- exec sh -c "bash $0 $*"
- exit
-fi
-
-dir=`dirname $0`
-source $dir/labelfuncs.sh
-
-acmroot=$ACM_DEFAULT_ROOT
-
-
-# Show usage of this program
-usage ()
-{
- prg=`basename $0`
-echo "Use this tool to add the binary policy to the Xen grub entry and
-have Xen automatically enforce the policy when starting.
-
-Usage: $prg [-d <policies root>] <policy name> [<kernel version>]
-
-<policies root> : The directory where the policies directory is located in;
- default is $acmroot
-<policy name> : The name of the policy, i.e. xen_null
-<kernel version> : The version of the kernel to apply the policy
- against, i.e. 2.6.16-xen
- If not specified, a kernel version ending with '-xen'
- will be searched for in '/lib/modules'
-"
-}
-
-
-
-if [ "$1" == "-h" ]; then
- usage
- exit 0
-elif [ "$1" == "-d" ]; then
- shift
- acmroot=$1
- shift
-fi
-
-if [ "$1" == "" ]; then
- echo "Error: Not enough command line parameters."
- echo ""
- usage
- exit -1
-fi
-
-
-policy=$1
-policyfile=$policy.bin
-
-getLinuxVersion $2
-
-findGrubConf
-ret=$?
-if [ $ret -eq 0 ]; then
- echo "Could not find grub.conf."
- exit -1
-elif [ $ret -eq 2 ]; then
- echo "Need to have write-access to $grubconf. Exiting."
- exit -1
-fi
-
-cpBootPolicy /boot $acmroot $policy
-ret=$?
-if [ $ret -ne 1 ]; then
- echo "Error copying or generating the binary policy."
- exit -1
-fi
-updateGrub $grubconf $policyfile $linux
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