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-rw-r--r--bind-9.5-libcap.patch250
1 files changed, 0 insertions, 250 deletions
diff --git a/bind-9.5-libcap.patch b/bind-9.5-libcap.patch
deleted file mode 100644
index a4cf386..0000000
--- a/bind-9.5-libcap.patch
+++ /dev/null
@@ -1,250 +0,0 @@
-diff -up bind-9.5.0b3/bin/named/unix/os.c.libcap bind-9.5.0b3/bin/named/unix/os.c
---- bind-9.5.0b3/bin/named/unix/os.c.libcap 2008-01-30 05:55:51.000000000 +0100
-+++ bind-9.5.0b3/bin/named/unix/os.c 2008-05-05 13:30:47.000000000 +0200
-@@ -69,7 +69,7 @@ static int devnullfd = -1;
- /*
- * Linux defines:
- * (T) HAVE_LINUXTHREADS
-- * (C) HAVE_LINUX_CAPABILITY_H
-+ * (C) HAVE_SYS_CAPABILITY_H (or HAVE_LINUX_CAPABILITY_H)
- * (P) HAVE_SYS_PRCTL_H
- * The possible cases are:
- * none: setuid() normally
-@@ -116,16 +116,9 @@ static int dfd[2] = { -1, -1 };
- 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
-@@ -133,9 +126,15 @@ int capset(cap_user_header_t hdrp, const
- * and <string.h>) on 2.3 kernels.
- */
- #define _LINUX_FS_H
--
--#include <sys/syscall.h> /* Required for syscall(). */
--#include <linux/capability.h> /* Required for _LINUX_CAPABILITY_VERSION. */
-+#include <linux/capability.h>
-+#include <syscall.h>
-+#ifndef SYS_capset
-+#ifndef __NR_capset
-+#include <asm/unistd.h> /* Slackware 4.0 needs this. */
-+#endif /* __NR_capset */
-+#define SYS_capset __NR_capset
-+#endif /* SYS_capset */
-+#endif /* HAVE_SYS_CAPABILITY_H */
-
- #ifdef HAVE_SYS_PRCTL_H
- #include <sys/prctl.h> /* Required for prctl(). */
-@@ -152,23 +151,24 @@ int capset(cap_user_header_t hdrp, const
-
- #endif /* HAVE_SYS_PRCTL_H */
-
--#ifndef SYS_capset
--#ifndef __NR_capset
--#include <asm/unistd.h> /* Slackware 4.0 needs this. */
--#endif
--#define SYS_capset __NR_capset
--#endif
--#endif
-+#ifdef HAVE_LIBCAP
-+#define SETCAPS_FUNC "cap_set_proc "
-+#else
-+typedef unsigned int cap_t;
-+#define SETCAPS_FUNC "syscall(capset) "
-+#endif /* HAVE_LIBCAP */
-
- static void
--linux_setcaps(unsigned int caps) {
-+linux_setcaps(cap_t caps) {
-+#ifndef HAVE_LIBCAP
- struct __user_cap_header_struct caphead;
- struct __user_cap_data_struct cap;
-+#endif
- char strbuf[ISC_STRERRORSIZE];
-
- if ((getuid() != 0 && !non_root_caps) || non_root)
- return;
--
-+#ifndef HAVE_LIBCAP
- memset(&caphead, 0, sizeof(caphead));
- caphead.version = _LINUX_CAPABILITY_VERSION;
- caphead.pid = 0;
-@@ -176,46 +176,74 @@ linux_setcaps(unsigned int caps) {
- cap.effective = caps;
- cap.permitted = caps;
- cap.inheritable = 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);
-- }
-+#endif
-+#ifdef HAVE_LIBCAP
-+ if (cap_set_proc(caps) < 0) {
- #else
- if (syscall(SYS_capset, &caphead, &cap) < 0) {
-+#endif
- isc__strerror(errno, strbuf, sizeof(strbuf));
-- ns_main_earlyfatal("syscall(capset) failed: %s:"
-+ ns_main_earlyfatal(SETCAPS_FUNC "failed: %s:"
- " please ensure that the capset kernel"
- " module is loaded. see insmod(8)",
- strbuf);
- }
--#endif
- }
-
-+#ifdef HAVE_LIBCAP
-+#define SET_CAP(flag) \
-+ do { \
-+ capval = (flag); \
-+ err = cap_set_flag(caps, CAP_EFFECTIVE, 1, &capval, CAP_SET); \
-+ if (err == -1) { \
-+ isc__strerror(errno, strbuf, sizeof(strbuf)); \
-+ ns_main_earlyfatal("cap_set_proc failed: %s", strbuf); \
-+ } \
-+ \
-+ err = cap_set_flag(caps, CAP_PERMITTED, 1, &capval, CAP_SET); \
-+ if (err == -1) { \
-+ isc__strerror(errno, strbuf, sizeof(strbuf)); \
-+ ns_main_earlyfatal("cap_set_proc failed: %s", strbuf); \
-+ } \
-+ } while (0)
-+#define INIT_CAP \
-+ do { \
-+ caps = cap_init(); \
-+ if (caps == NULL) { \
-+ isc__strerror(errno, strbuf, sizeof(strbuf)); \
-+ ns_main_earlyfatal("cap_init failed: %s", strbuf); \
-+ } \
-+ } while (0)
-+#else
-+#define SET_CAP(flag) { caps |= (1 << (flag)); }
-+#define INIT_CAP { caps = 0; }
-+#endif /* HAVE_LIBCAP */
-+
- static void
- linux_initialprivs(void) {
-- unsigned int caps;
-+ cap_t caps;
-+#ifdef HAVE_LIBCAP
-+ cap_value_t capval;
-+ char strbuf[ISC_STRERRORSIZE];
-+ int err;
-+#endif
-
- /*%
- * We don't need most privileges, so we drop them right away.
- * Later on linux_minprivs() will be called, which will drop our
- * capabilities to the minimum needed to run the server.
- */
--
-- caps = 0;
-+ INIT_CAP;
-
- /*
- * We need to be able to bind() to privileged ports, notably port 53!
- */
-- caps |= (1 << CAP_NET_BIND_SERVICE);
-+ SET_CAP(CAP_NET_BIND_SERVICE);
-
- /*
- * We need chroot() initially too.
- */
-- caps |= (1 << CAP_SYS_CHROOT);
-+ SET_CAP(CAP_SYS_CHROOT);
-
- #if defined(HAVE_SYS_PRCTL_H) || !defined(HAVE_LINUXTHREADS)
- /*
-@@ -224,19 +252,19 @@ linux_initialprivs(void) {
- * tried) or we're not using threads. If either of these is
- * true, we want the setuid capability.
- */
-- caps |= (1 << CAP_SETUID);
-+ SET_CAP(CAP_SETUID);
- #endif
-
- /*
- * Since we call initgroups, we need this.
- */
-- caps |= (1 << CAP_SETGID);
-+ SET_CAP(CAP_SETGID);
-
- /*
- * Without this, we run into problems reading a configuration file
- * owned by a non-root user and non-world-readable on startup.
- */
-- caps |= (1 << CAP_DAC_READ_SEARCH);
-+ SET_CAP(CAP_DAC_READ_SEARCH);
-
- /*
- * XXX We might want to add CAP_SYS_RESOURCE, though it's not
-@@ -245,15 +273,21 @@ linux_initialprivs(void) {
- * of files, the stack size, data size, and core dump size to
- * support named.conf options, this is now being added to test.
- */
-- caps |= (1 << CAP_SYS_RESOURCE);
-+ SET_CAP(CAP_SYS_RESOURCE);
-
- linux_setcaps(caps);
- }
-
- static void
- linux_minprivs(void) {
-- unsigned int caps;
-+ cap_t caps;
-+#ifdef HAVE_LIBCAP
-+ cap_value_t capval;
-+ char strbuf[ISC_STRERRORSIZE];
-+ int err;
-+#endif
-
-+ INIT_CAP;
- /*%
- * Drop all privileges except the ability to bind() to privileged
- * ports.
-@@ -262,8 +296,7 @@ linux_minprivs(void) {
- * chroot() could be used to escape from the chrooted area.
- */
-
-- caps = 0;
-- caps |= (1 << CAP_NET_BIND_SERVICE);
-+ SET_CAP(CAP_NET_BIND_SERVICE);
-
- /*
- * XXX We might want to add CAP_SYS_RESOURCE, though it's not
-@@ -272,7 +305,7 @@ linux_minprivs(void) {
- * of files, the stack size, data size, and core dump size to
- * support named.conf options, this is now being added to test.
- */
-- caps |= (1 << CAP_SYS_RESOURCE);
-+ SET_CAP(CAP_SYS_RESOURCE);
-
- linux_setcaps(caps);
- }
-diff -up bind-9.5.0b3/configure.in.libcap bind-9.5.0b3/configure.in
---- bind-9.5.0b3/configure.in.libcap 2008-01-30 05:55:51.000000000 +0100
-+++ bind-9.5.0b3/configure.in 2008-05-05 13:28:34.000000000 +0200
-@@ -1876,7 +1876,7 @@ AC_ARG_ENABLE(linux-caps,
- case "$enable_linux_caps" in
- yes|'')
- AC_CHECK_HEADERS(linux/capability.h sys/capability.h)
-- AC_CHECK_FUNCS(capset)
-+ AC_CHECK_LIB(cap, cap_set_proc)
- ;;
- no)
- ;;