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Code Issues Releases Wiki Activity

check for <sys/prctl.h>, not <linux/prctl.h> [RT #679]

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This commit is contained in:
Brian Wellington
2001-02-24 23:05:09 +00:00
parent 14c615e979
commit f8727bd903
3 changed files with 16 additions and 13 deletions
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16
bin/named/unix/os.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: os.c,v 1.38 2001/01/09 21:40:38 bwelling Exp $ */
/* $Id: os.c,v 1.39 2001/02/24 23:05:09 bwelling Exp $ */
#include <config.h>
#include <stdarg.h>
@@ -45,14 +45,14 @@ static char *pidfile = NULL;
* If there's no <linux/capability.h>, we don't care about <linux/prctl.h>
*/
#ifndef HAVE_LINUX_CAPABILITY_H
#undef HAVE_LINUX_PRCTL_H
#undef HAVE_SYS_PRCTL_H
#endif
/*
* Linux defines:
* (T) HAVE_LINUXTHREADS
* (C) HAVE_LINUX_CAPABILITY_H
* (P) HAVE_LINUX_PRCTL_H
* (P) HAVE_SYS_PRCTL_H
* The possible cases are:
* none: setuid() normally
* T: no setuid()
@@ -108,7 +108,7 @@ static isc_boolean_t non_root_caps = ISC_FALSE;
#include <sys/syscall.h> /* Required for syscall(). */
#include <linux/capability.h> /* Required for _LINUX_CAPABILITY_VERSION. */
#ifdef HAVE_LINUX_PRCTL_H
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h> /* Required for prctl(). */
/*
@@ -121,7 +121,7 @@ static isc_boolean_t non_root_caps = ISC_FALSE;
#define PR_SET_KEEPCAPS 8
#endif
#endif /* HAVE_LINUX_PRCTL_H */
#endif /* HAVE_SYS_PRCTL_H */
#ifndef SYS_capset
#define SYS_capset __NR_capset
@@ -168,7 +168,7 @@ linux_initialprivs(void) {
*/
caps |= (1 << CAP_SYS_CHROOT);
#if defined(HAVE_LINUX_PRCTL_H) || !defined(HAVE_LINUXTHREADS)
#if defined(HAVE_SYS_PRCTL_H) || !defined(HAVE_LINUXTHREADS)
/*
* We can setuid() only if either the kernel supports keeping
* capabilities after setuid() (which we don't know until we've
@@ -228,7 +228,7 @@ linux_minprivs(void) {
linux_setcaps(caps);
}
#ifdef HAVE_LINUX_PRCTL_H
#ifdef HAVE_SYS_PRCTL_H
static void
linux_keepcaps(void) {
/*
@@ -393,7 +393,7 @@ ns_os_changeuser(void) {
void
ns_os_minprivs(void) {
#ifdef HAVE_LINUX_PRCTL_H
#ifdef HAVE_SYS_PRCTL_H
linux_keepcaps();
#endif

9
config.h.in
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@@ -16,7 +16,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: config.h.in,v 1.41 2001/01/18 22:21:24 bwelling Exp $ */
/* $Id: config.h.in,v 1.42 2001/02/24 23:05:07 bwelling Exp $ */
/***
*** This file is not to be included by any public header files, because
@@ -138,8 +138,11 @@ int sigwait(const unsigned int *set, int *sig);
/* Define if you have the <linux/capability.h> header file. */
#undef HAVE_LINUX_CAPABILITY_H
/* Define if you have the <linux/prctl.h> header file. */
#undef HAVE_LINUX_PRCTL_H
/* Define if you have the <sys/prctl.h> header file. */
#undef HAVE_SYS_PRCTL_H
/* Define if you have the <sys/select.h> header file. */
#undef HAVE_SYS_SELECT_H
/* Define if you have the <sys/sockio.h> header file. */
#undef HAVE_SYS_SOCKIO_H

4
configure.in
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@@ -18,7 +18,7 @@ AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
esyscmd([sed "s/^/# /" COPYRIGHT])dnl
AC_DIVERT_POP()dnl
AC_REVISION($Revision: 1.232 $)
AC_REVISION($Revision: 1.233 $)
AC_INIT(lib/dns/name.c)
AC_PREREQ(2.13)
@@ -1210,7 +1210,7 @@ AC_SUBST(ISC_PLATFORM_LONGLONGEQUALLONG)
#
AC_CHECK_FUNC(chroot, AC_DEFINE(HAVE_CHROOT))
AC_CHECK_HEADERS(linux/capability.h)
AC_CHECK_HEADERS(linux/prctl.h)
AC_CHECK_HEADERS(sys/prctl.h)
#
# BSD/OS, and perhaps some others, don't define rlim_t.