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Don't put configure files in /tmp

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Based on patch by Vasiliy Kulikov <segoon@openwall.com>
Don't use /tmp since it is dangerous, instead put temporary files
from configure script in build directory. This is what autoconf
generated configure does.
This commit is contained in:
Stephen Hemminger 2012-02-15 10:03:39 -08:00
parent cdae8bcc0f
commit e557d1ac3a
2 changed files with 20 additions and 15 deletions
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1
.gitignore vendored
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@ -1,4 +1,5 @@
static-syms.h static-syms.h
config.*
Config Config
*.o *.o
*.a *.a

34
configure vendored
View File

@ -3,9 +3,13 @@
# #
INCLUDE=${1:-"$PWD/include"} INCLUDE=${1:-"$PWD/include"}
# Make a temp directory in build tree.
TMPDIR=$(mktemp -d config.XXXXXX)
trap 'status=$?; rm -rf $TMPDIRa; exit $status' EXIT HUP INT QUIT TERM
check_atm() check_atm()
{ {
cat >/tmp/atmtest.c <<EOF cat >$TMPDIR/atmtest.c <<EOF
#include <atm.h> #include <atm.h>
int main(int argc, char **argv) { int main(int argc, char **argv) {
struct atm_qos qos; struct atm_qos qos;
@ -13,7 +17,7 @@ int main(int argc, char **argv) {
return 0; return 0;
} }
EOF EOF
gcc -I$INCLUDE -o /tmp/atmtest /tmp/atmtest.c -latm >/dev/null 2>&1 gcc -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1
if [ $? -eq 0 ] if [ $? -eq 0 ]
then then
echo "TC_CONFIG_ATM:=y" >>Config echo "TC_CONFIG_ATM:=y" >>Config
@ -21,13 +25,13 @@ then
else else
echo no echo no
fi fi
rm -f /tmp/atmtest.c /tmp/atmtest rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest
} }
check_xt() check_xt()
{ {
#check if we have xtables from iptables >= 1.4.5. #check if we have xtables from iptables >= 1.4.5.
cat >/tmp/ipttest.c <<EOF cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h> #include <xtables.h>
#include <linux/netfilter.h> #include <linux/netfilter.h>
static struct xtables_globals test_globals = { static struct xtables_globals test_globals = {
@ -47,12 +51,12 @@ int main(int argc, char **argv)
EOF EOF
if gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL $(pkg-config xtables --cflags --libs) -ldl >/dev/null 2>&1 if gcc -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL $(pkg-config xtables --cflags --libs) -ldl >/dev/null 2>&1
then then
echo "TC_CONFIG_XT:=y" >>Config echo "TC_CONFIG_XT:=y" >>Config
echo "using xtables" echo "using xtables"
fi fi
rm -f /tmp/ipttest.c /tmp/ipttest rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
} }
check_xt_old() check_xt_old()
@ -64,7 +68,7 @@ then
fi fi
#check if we dont need our internal header .. #check if we dont need our internal header ..
cat >/tmp/ipttest.c <<EOF cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h> #include <xtables.h>
char *lib_dir; char *lib_dir;
unsigned int global_option_offset = 0; unsigned int global_option_offset = 0;
@ -84,14 +88,14 @@ int main(int argc, char **argv) {
} }
EOF EOF
gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL -ldl >/dev/null 2>&1 gcc -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ] if [ $? -eq 0 ]
then then
echo "TC_CONFIG_XT_OLD:=y" >>Config echo "TC_CONFIG_XT_OLD:=y" >>Config
echo "using old xtables (no need for xt-internal.h)" echo "using old xtables (no need for xt-internal.h)"
fi fi
rm -f /tmp/ipttest.c /tmp/ipttest rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
} }
check_xt_old_internal_h() check_xt_old_internal_h()
@ -103,7 +107,7 @@ then
fi fi
#check if we need our own internal.h #check if we need our own internal.h
cat >/tmp/ipttest.c <<EOF cat >$TMPDIR/ipttest.c <<EOF
#include <xtables.h> #include <xtables.h>
#include "xt-internal.h" #include "xt-internal.h"
char *lib_dir; char *lib_dir;
@ -124,14 +128,14 @@ int main(int argc, char **argv) {
} }
EOF EOF
gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL -ldl >/dev/null 2>&1 gcc -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ] if [ $? -eq 0 ]
then then
echo "using old xtables with xt-internal.h" echo "using old xtables with xt-internal.h"
echo "TC_CONFIG_XT_OLD_H:=y" >>Config echo "TC_CONFIG_XT_OLD_H:=y" >>Config
fi fi
rm -f /tmp/ipttest.c /tmp/ipttest rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest
} }
check_ipt() check_ipt()
@ -160,7 +164,7 @@ check_ipt_lib_dir()
check_setns() check_setns()
{ {
cat >/tmp/setnstest.c <<EOF cat >$TMPDIR/setnstest.c <<EOF
#include <sched.h> #include <sched.h>
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
@ -168,7 +172,7 @@ int main(int argc, char **argv)
return 0; return 0;
} }
EOF EOF
gcc -I$INCLUDE -o /tmp/setnstest /tmp/setnstest.c >/dev/null 2>&1 gcc -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1
if [ $? -eq 0 ] if [ $? -eq 0 ]
then then
echo "IP_CONFIG_SETNS:=y" >>Config echo "IP_CONFIG_SETNS:=y" >>Config
@ -176,7 +180,7 @@ then
else else
echo "no" echo "no"
fi fi
rm -f /tmp/setnstest.c /tmp/setnstest rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest
} }
echo "# Generated config based on" $INCLUDE >Config echo "# Generated config based on" $INCLUDE >Config