| #! /bin/bash |
| # This is not an autoconf generated configure |
| # |
| INCLUDE=${1:-"$PWD/include"} |
| |
| # Make a temp directory in build tree. |
| TMPDIR=$(mktemp -d config.XXXXXX) |
| trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM |
| |
| check_prog() |
| { |
| echo -n "$2" |
| command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> Config; echo "yes") || (echo "no"; return 1) |
| } |
| |
| check_docs() |
| { |
| if check_prog latex " latex: " HAVE_LATEX; then |
| check_prog pdflatex " pdflatex: " HAVE_PDFLATEX || echo " WARNING: no PDF docs can be built from LaTeX files" |
| check_prog sgml2latex " sgml2latex: " HAVE_SGML2LATEX || echo " WARNING: no LaTeX files can be build from SGML files" |
| else |
| echo " WARNING: no docs can be built from LaTeX files" |
| fi |
| |
| check_prog sgml2html " sgml2html: " HAVE_SGML2HTML || echo " WARNING: no HTML docs can be built from SGML" |
| } |
| |
| check_toolchain() |
| { |
| : ${PKG_CONFIG:=pkg-config} |
| : ${AR=ar} |
| : ${CC=gcc} |
| echo "PKG_CONFIG:=${PKG_CONFIG}" >>Config |
| echo "AR:=${AR}" >>Config |
| echo "CC:=${CC}" >>Config |
| } |
| |
| check_atm() |
| { |
| cat >$TMPDIR/atmtest.c <<EOF |
| #include <atm.h> |
| int main(int argc, char **argv) { |
| struct atm_qos qos; |
| (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0); |
| return 0; |
| } |
| EOF |
| |
| $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1 |
| if [ $? -eq 0 ] |
| then |
| echo "TC_CONFIG_ATM:=y" >>Config |
| echo yes |
| else |
| echo no |
| fi |
| rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest |
| } |
| |
| check_xt() |
| { |
| #check if we have xtables from iptables >= 1.4.5. |
| cat >$TMPDIR/ipttest.c <<EOF |
| #include <xtables.h> |
| #include <linux/netfilter.h> |
| static struct xtables_globals test_globals = { |
| .option_offset = 0, |
| .program_name = "tc-ipt", |
| .program_version = XTABLES_VERSION, |
| .orig_opts = NULL, |
| .opts = NULL, |
| .exit_err = NULL, |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| xtables_init_all(&test_globals, NFPROTO_IPV4); |
| return 0; |
| } |
| EOF |
| |
| if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \ |
| $(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1 |
| then |
| echo "TC_CONFIG_XT:=y" >>Config |
| echo "using xtables" |
| fi |
| rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest |
| } |
| |
| check_xt_old() |
| { |
| # bail if previous XT checks has already succeded. |
| if grep -q TC_CONFIG_XT Config |
| then |
| return |
| fi |
| |
| #check if we dont need our internal header .. |
| cat >$TMPDIR/ipttest.c <<EOF |
| #include <xtables.h> |
| char *lib_dir; |
| unsigned int global_option_offset = 0; |
| const char *program_version = XTABLES_VERSION; |
| const char *program_name = "tc-ipt"; |
| struct afinfo afinfo = { |
| .libprefix = "libxt_", |
| }; |
| |
| void exit_error(enum exittype status, const char *msg, ...) |
| { |
| } |
| |
| int main(int argc, char **argv) { |
| |
| return 0; |
| } |
| |
| EOF |
| |
| $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1 |
| if [ $? -eq 0 ] |
| then |
| echo "TC_CONFIG_XT_OLD:=y" >>Config |
| echo "using old xtables (no need for xt-internal.h)" |
| fi |
| rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest |
| } |
| |
| check_xt_old_internal_h() |
| { |
| # bail if previous XT checks has already succeded. |
| if grep -q TC_CONFIG_XT Config |
| then |
| return |
| fi |
| |
| #check if we need our own internal.h |
| cat >$TMPDIR/ipttest.c <<EOF |
| #include <xtables.h> |
| #include "xt-internal.h" |
| char *lib_dir; |
| unsigned int global_option_offset = 0; |
| const char *program_version = XTABLES_VERSION; |
| const char *program_name = "tc-ipt"; |
| struct afinfo afinfo = { |
| .libprefix = "libxt_", |
| }; |
| |
| void exit_error(enum exittype status, const char *msg, ...) |
| { |
| } |
| |
| int main(int argc, char **argv) { |
| |
| return 0; |
| } |
| |
| EOF |
| $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1 |
| |
| if [ $? -eq 0 ] |
| then |
| echo "using old xtables with xt-internal.h" |
| echo "TC_CONFIG_XT_OLD_H:=y" >>Config |
| fi |
| rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest |
| } |
| |
| check_ipt() |
| { |
| if ! grep TC_CONFIG_XT Config > /dev/null |
| then |
| echo "using iptables" |
| fi |
| } |
| |
| check_ipt_lib_dir() |
| { |
| IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables) |
| if [ -n "$IPT_LIB_DIR" ]; then |
| echo $IPT_LIB_DIR |
| echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> Config |
| return |
| fi |
| |
| for dir in /lib /usr/lib /usr/local/lib |
| do |
| for file in $dir/{xtables,iptables}/lib*t_*so ; do |
| if [ -f $file ]; then |
| echo ${file%/*} |
| echo "IPT_LIB_DIR:=${file%/*}" >> Config |
| return |
| fi |
| done |
| done |
| echo "not found!" |
| } |
| |
| check_setns() |
| { |
| cat >$TMPDIR/setnstest.c <<EOF |
| #include <sched.h> |
| int main(int argc, char **argv) |
| { |
| (void)setns(0,0); |
| return 0; |
| } |
| EOF |
| $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1 |
| if [ $? -eq 0 ] |
| then |
| echo "IP_CONFIG_SETNS:=y" >>Config |
| echo "yes" |
| else |
| echo "no" |
| fi |
| rm -f $TMPDIR/setnstest.c $TMPDIR/setnstest |
| } |
| |
| check_netnsid() |
| { |
| cat >$TMPDIR/netnsid.c <<EOF |
| #include <linux/rtnetlink.h> |
| int test_def = RTM_GETNSID; |
| EOF |
| $CC -I$INCLUDE -c $TMPDIR/netnsid.c >/dev/null 2>&1 |
| if [ $? -eq 0 ] |
| then |
| echo "IP_CONFIG_NETNSID:=y" >> Config |
| echo "yes" |
| else |
| echo "no" |
| fi |
| rm -f $TMPDIR/netnsid.c $TMPDIR/netnsid.o |
| } |
| |
| check_ipset() |
| { |
| cat >$TMPDIR/ipsettest.c <<EOF |
| #include <linux/netfilter/ipset/ip_set.h> |
| #ifndef IP_SET_INVALID |
| #define IPSET_DIM_MAX 3 |
| typedef unsigned short ip_set_id_t; |
| #endif |
| #include <linux/netfilter/xt_set.h> |
| |
| struct xt_set_info info; |
| #if IPSET_PROTOCOL == 6 |
| int main(void) |
| { |
| return IPSET_MAXNAMELEN; |
| } |
| #else |
| #error unknown ipset version |
| #endif |
| EOF |
| |
| if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1 |
| then |
| echo "TC_CONFIG_IPSET:=y" >>Config |
| echo "yes" |
| else |
| echo "no" |
| fi |
| rm -f $TMPDIR/ipsettest.c $TMPDIR/ipsettest |
| } |
| |
| check_selinux() |
| # SELinux is a compile time option in the ss utility |
| { |
| if ${PKG_CONFIG} libselinux --exists |
| then |
| echo "HAVE_SELINUX:=y" >>Config |
| echo "yes" |
| else |
| echo "no" |
| fi |
| } |
| |
| echo "# Generated config based on" $INCLUDE >Config |
| check_toolchain |
| |
| echo "TC schedulers" |
| |
| echo -n " ATM " |
| check_atm |
| |
| echo -n " IPT " |
| check_xt |
| check_xt_old |
| check_xt_old_internal_h |
| check_ipt |
| |
| echo -n " IPSET " |
| check_ipset |
| |
| echo -n -e "\niptables modules directory: " |
| check_ipt_lib_dir |
| |
| echo -n "libc has setns: " |
| check_setns |
| echo -n "netns has peer id suport: " |
| check_netnsid |
| |
| echo -n "SELinux support: " |
| check_selinux |
| |
| echo -e "\nDocs" |
| check_docs |