* PERFORMANCE OF THIS SOFTWARE.
*/
-/* $Id: os.c,v 1.82 2008/01/18 23:46:57 tbox Exp $ */
+/* $Id: os.c,v 1.83 2008/01/30 04:48:05 marka Exp $ */
/*! \file */
static isc_boolean_t non_root = ISC_FALSE;
static isc_boolean_t non_root_caps = ISC_FALSE;
+#if defined(HAVE_CAPSET)
+#undef _POSIX_SOURCE
+#ifdef HAVE_SYS_CAPABILITY_H
+#include <sys/capability.h>
+#else
+#include <linux/capability.h>
+int capset(cap_user_header_t hdrp, const cap_user_data_t datap);
+#endif
+#include <sys/prctl.h>
+#else
/*%
* We define _LINUX_FS_H to prevent it from being included. We don't need
* anything from it, and the files it includes cause warnings with 2.2
#endif
#define SYS_capset __NR_capset
#endif
+#endif
static void
linux_setcaps(unsigned int caps) {
cap.effective = caps;
cap.permitted = caps;
cap.inheritable = 0;
- if (syscall(SYS_capset, &caphead, &cap) < 0) {
+#ifdef HAVE_CAPSET
+ if (capset(&caphead, &cap) < 0 ) {
isc__strerror(errno, strbuf, sizeof(strbuf));
ns_main_earlyfatal("capset failed: %s:"
" please ensure that the capset kernel"
" module is loaded. see insmod(8)",
strbuf);
}
+#else
+ if (syscall(SYS_capset, &caphead, &cap) < 0) {
+ isc__strerror(errno, strbuf, sizeof(strbuf));
+ ns_main_earlyfatal("syscall(capset) failed: %s:"
+ " please ensure that the capset kernel"
+ " module is loaded. see insmod(8)",
+ strbuf);
+ }
+#endif
}
static void
* PERFORMANCE OF THIS SOFTWARE.
*/
-/* $Id: config.h.in,v 1.94 2008/01/24 02:39:43 marka Exp $ */
+/* $Id: config.h.in,v 1.96 2008/03/20 04:51:00 marka Exp $ */
/*! \file */
/* Define if you cannot bind() before connect() for TCP sockets. */
#undef BROKEN_TCP_BIND_BEFORE_CONNECT
+/* Define to 1 if you have the `capset' function. */
+#undef HAVE_CAPSET
+
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
+/* Define to 1 if you have the <sys/capability.h> header file. */
+#undef HAVE_SYS_CAPABILITY_H
+
/* Define to 1 if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
-# $Id: configure,v 1.422 2008/01/24 02:39:43 marka Exp $
+# $Id: configure,v 1.423 2008/01/30 04:49:59 marka Exp $
#
# Portions Copyright (C) 1996-2001 Nominum, Inc.
#
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-# From configure.in Revision: 1.437 .
+# From configure.in Revision: 1.438 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61.
#
case "$enable_linux_caps" in
yes|'')
-for ac_header in linux/capability.h
+
+for ac_header in linux/capability.h sys/capability.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
fi
+done
+
+
+for ac_func in capset
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ eval "$as_ac_var=yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
done
;;