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Commit fd16ce47 authored by Natanael Copa's avatar Natanael Copa
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main/*-grsec: updated grsec kernel to 200908281917

parent 8bdd83b2
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Showing with 135 additions and 277 deletions
main/dahdi-linux-grsec/APKBUILD
View file @ fd16ce47
......@@ -14,7 +14,7 @@ _realname=dahdi-linux
pkgname=${_realname}-${_flavor}
pkgver=2.2.0
pkgrel=9
pkgrel=10
pkgdesc="Digium Asterisk Hardware Device Interface drivers"
url="http://www.asterisk.org"
license="GPL"
......
main/iscsitarget-grsec/APKBUILD
View file @ fd16ce47
......@@ -15,7 +15,7 @@ if [ -f ../iscsitarget/APKBUILD ]; then
fi
pkgname=${_realname}-${_flavor}
pkgver=${pkgver:-0.4.17}
pkgrel=8
pkgrel=9
pkgdesc="$_flavor kernel modules for iscsitarget"
url="http://iscsitarget.sourceforge.net/"
license="GPL-2"
......
main/kqemu-grsec/APKBUILD
View file @ fd16ce47
......@@ -12,7 +12,7 @@ _abi_release=$pkgver-${_flavor}
pkgname=${_realname}-${_flavor}
pkgver=1.4.0_pre1
_realver=1.4.0pre1
pkgrel=1
pkgrel=2
pkgdesc="$_flavor kernel modules for kemu"
url="http://www.nongnu.org/qemu/"
license="GPL"
......
main/linux-grsec/APKBUILD
View file @ fd16ce47
......@@ -4,7 +4,7 @@ _flavor=grsec
pkgname=linux-${_flavor}
pkgver=2.6.30.5
_kernver=2.6.30
pkgrel=0
pkgrel=1
pkgdesc="Linux kernel with grsecurity"
url=http://grsecurity.net
depends="mkinitfs"
......@@ -13,8 +13,7 @@ _config=${config:-kernelconfig}
install="$pkgname.post-install $pkgname.post-upgrade"
source="ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-$_kernver.tar.bz2
ftp://ftp.kernel.org/pub/linux/kernel/v2.6/patch-$pkgver.bz2
grsecurity-2.1.14-2.6.30.5-200908261614.patch
linux-nbma-mroute-v4-2.6.30.diff
grsecurity-2.1.14-2.6.30.5-200908281917.patch
net-next-2.6.git-5ef12d98a19254ee5dc851bd83e214b43ec1f725.patch
$_config
"
......@@ -30,6 +29,7 @@ _prepare() {
fi
for i in ../*.diff ../*.patch; do
[ -f $i ] || continue
msg "Applying $i..."
patch -p1 -N < $i || return 1
done
......@@ -112,7 +112,6 @@ dev() {
md5sums="7a80058a6382e5108cdb5554d1609615 linux-2.6.30.tar.bz2
47841c7ff5c81a7b349a79f2fa8e9138 patch-2.6.30.5.bz2
a725c0779f365787127c71810877586d grsecurity-2.1.14-2.6.30.5-200908261614.patch
7420c0b1095335990313656b114e1379 linux-nbma-mroute-v4-2.6.30.diff
dee5a6292fb12018eb3bd3d014f89407 grsecurity-2.1.14-2.6.30.5-200908281917.patch
ca05fd252783b82e01610e775cf56498 net-next-2.6.git-5ef12d98a19254ee5dc851bd83e214b43ec1f725.patch
ede34b2613f54cf1eae8f37a61d0e085 kernelconfig"
main/linux-grsec/grsecurity-2.1.14-2.6.30.5-200908261614.patch → main/linux-grsec/grsecurity-2.1.14-2.6.30.5-200908281917.patch
View file @ fd16ce47
......@@ -2937,7 +2937,7 @@ diff -urNp linux-2.6.30.5/arch/sparc/Makefile linux-2.6.30.5/arch/sparc/Makefile
diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_32.c linux-2.6.30.5/arch/sparc/mm/fault_32.c
--- linux-2.6.30.5/arch/sparc/mm/fault_32.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/arch/sparc/mm/fault_32.c 2009-07-30 09:48:09.913853340 -0400
+++ linux-2.6.30.5/arch/sparc/mm/fault_32.c 2009-08-27 21:11:25.299108429 -0400
@@ -21,6 +21,9 @@
#include <linux/interrupt.h>
#include <linux/module.h>
......@@ -2948,7 +2948,7 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_32.c linux-2.6.30.5/arch/sparc/mm/
#include <asm/system.h>
#include <asm/page.h>
@@ -167,6 +170,249 @@ static unsigned long compute_si_addr(str
@@ -167,6 +170,264 @@ static unsigned long compute_si_addr(str
return safe_compute_effective_address(regs, insn);
}
......@@ -3150,6 +3150,21 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_32.c linux-2.6.30.5/arch/sparc/mm/
+ regs->npc = addr+4;
+ return 3;
+ }
+
+ /* PaX: newer glibc/binutils generate sethi/jmp instead of save/call */
+ if ((save & 0xFFC00000U) == 0x05000000U &&
+ (call & 0xFFFFE000U) == 0x85C0A000U &&
+ nop == 0x01000000U)
+ {
+ unsigned long addr;
+
+ addr = (save & 0x003FFFFFU) << 10;
+ regs->u_regs[UREG_G2] = addr;
+ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
+ regs->pc = addr;
+ regs->npc = addr+4;
+ return 3;
+ }
+ }
+ } while (0);
+
......@@ -3198,7 +3213,7 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_32.c linux-2.6.30.5/arch/sparc/mm/
asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
unsigned long address)
{
@@ -231,6 +477,24 @@ good_area:
@@ -231,6 +492,24 @@ good_area:
if(!(vma->vm_flags & VM_WRITE))
goto bad_area;
} else {
......@@ -3225,7 +3240,7 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_32.c linux-2.6.30.5/arch/sparc/mm/
goto bad_area;
diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/fault_64.c
--- linux-2.6.30.5/arch/sparc/mm/fault_64.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/arch/sparc/mm/fault_64.c 2009-07-30 09:48:09.913853340 -0400
+++ linux-2.6.30.5/arch/sparc/mm/fault_64.c 2009-08-27 21:11:25.310208001 -0400
@@ -20,6 +20,9 @@
#include <linux/kprobes.h>
#include <linux/kdebug.h>
......@@ -3236,7 +3251,7 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -249,6 +252,367 @@ static void noinline bogus_32bit_fault_a
@@ -249,6 +252,404 @@ static void noinline bogus_32bit_fault_a
show_regs(regs);
}
......@@ -3320,6 +3335,10 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
+ addr = regs->u_regs[UREG_G1];
+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
+
+ if (test_thread_flag(TIF_32BIT))
+ addr &= 0xFFFFFFFFUL;
+
+ regs->tpc = addr;
+ regs->tnpc = addr+4;
+ return 2;
......@@ -3335,6 +3354,10 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
+ unsigned long addr;
+
+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
+
+ if (test_thread_flag(TIF_32BIT))
+ addr &= 0xFFFFFFFFUL;
+
+ regs->tpc = addr;
+ regs->tnpc = addr+4;
+ return 2;
......@@ -3360,6 +3383,10 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
+ addr = (sethi & 0x003FFFFFU) << 10;
+ regs->u_regs[UREG_G1] = addr;
+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
+
+ if (test_thread_flag(TIF_32BIT))
+ addr &= 0xFFFFFFFFUL;
+
+ regs->tpc = addr;
+ regs->tnpc = addr+4;
+ return 2;
......@@ -3503,6 +3530,9 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
+ else
+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
+
+ if (test_thread_flag(TIF_32BIT))
+ addr &= 0xFFFFFFFFUL;
+
+ err = get_user(save, (unsigned int *)addr);
+ err |= get_user(call, (unsigned int *)(addr+4));
+ err |= get_user(nop, (unsigned int *)(addr+8));
......@@ -3556,6 +3586,25 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
+ regs->tnpc = addr+4;
+ return 3;
+ }
+
+ /* PaX: newer glibc/binutils generate sethi/jmp instead of save/call */
+ if ((save & 0xFFC00000U) == 0x05000000U &&
+ (call & 0xFFFFE000U) == 0x85C0A000U &&
+ nop == 0x01000000U)
+ {
+ unsigned long addr;
+
+ addr = (save & 0x003FFFFFU) << 10;
+ regs->u_regs[UREG_G2] = addr;
+ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
+
+ if (test_thread_flag(TIF_32BIT))
+ addr &= 0xFFFFFFFFUL;
+
+ regs->tpc = addr;
+ regs->tnpc = addr+4;
+ return 3;
+ }
+ }
+ } while (0);
+
......@@ -3574,6 +3623,9 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
+ {
+ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
+
+ if (test_thread_flag(TIF_32BIT))
+ dl_resolve &= 0xFFFFFFFFUL;
+
+ regs->u_regs[UREG_RETPC] = regs->tpc;
+ regs->tpc = dl_resolve;
+ regs->tnpc = dl_resolve+4;
......@@ -3604,7 +3656,7 @@ diff -urNp linux-2.6.30.5/arch/sparc/mm/fault_64.c linux-2.6.30.5/arch/sparc/mm/
asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
{
struct mm_struct *mm = current->mm;
@@ -315,6 +679,29 @@ asmlinkage void __kprobes do_sparc64_fau
@@ -315,6 +716,29 @@ asmlinkage void __kprobes do_sparc64_fau
if (!vma)
goto bad_area;
......@@ -11293,7 +11345,7 @@ diff -urNp linux-2.6.30.5/arch/x86/kernel/vmi_32.c linux-2.6.30.5/arch/x86/kerne
* to convert VMI_IRET to a call instead of a jump; so we have
diff -urNp linux-2.6.30.5/arch/x86/kernel/vmlinux_32.lds.S linux-2.6.30.5/arch/x86/kernel/vmlinux_32.lds.S
--- linux-2.6.30.5/arch/x86/kernel/vmlinux_32.lds.S 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/arch/x86/kernel/vmlinux_32.lds.S 2009-07-30 09:48:09.962543704 -0400
+++ linux-2.6.30.5/arch/x86/kernel/vmlinux_32.lds.S 2009-08-27 21:11:25.322527521 -0400
@@ -15,6 +15,20 @@
#include <asm/page_types.h>
#include <asm/cache.h>
......@@ -11523,7 +11575,7 @@ diff -urNp linux-2.6.30.5/arch/x86/kernel/vmlinux_32.lds.S linux-2.6.30.5/arch/x
+ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) {
+ MODULES_VADDR = .;
+ BYTE(0)
+ . += (6 * 1024 * 1024);
+ . += (8 * 1024 * 1024);
+ . = ALIGN(PMD_SIZE);
+ MODULES_END = . - 1;
+ }
......@@ -40886,7 +40938,7 @@ diff -urNp linux-2.6.30.5/mm/memory.c linux-2.6.30.5/mm/memory.c
* Dumping its contents makes post-mortem fully interpretable later
diff -urNp linux-2.6.30.5/mm/mempolicy.c linux-2.6.30.5/mm/mempolicy.c
--- linux-2.6.30.5/mm/mempolicy.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/mm/mempolicy.c 2009-07-30 09:48:10.145161384 -0400
+++ linux-2.6.30.5/mm/mempolicy.c 2009-08-28 19:17:19.665274493 -0400
@@ -551,6 +551,10 @@ static int mbind_range(struct vm_area_st
struct vm_area_struct *next;
int err;
......@@ -40933,7 +40985,32 @@ diff -urNp linux-2.6.30.5/mm/mempolicy.c linux-2.6.30.5/mm/mempolicy.c
if (end == start)
return 0;
@@ -2290,7 +2315,7 @@ int show_numa_map(struct seq_file *m, vo
@@ -1142,6 +1167,14 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pi
if (!mm)
return -EINVAL;
+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
+ if (mm != current->mm &&
+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) {
+ err = -EPERM;
+ goto out;
+ }
+#endif
+
/*
* Check if this process has the right to modify the specified
* process. The right exists if the process has administrative
@@ -1151,8 +1184,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pi
rcu_read_lock();
tcred = __task_cred(task);
if (cred->euid != tcred->suid && cred->euid != tcred->uid &&
- cred->uid != tcred->suid && cred->uid != tcred->uid &&
- !capable(CAP_SYS_NICE)) {
+ cred->uid != tcred->suid && !capable(CAP_SYS_NICE)) {
rcu_read_unlock();
err = -EPERM;
goto out;
@@ -2290,7 +2322,7 @@ int show_numa_map(struct seq_file *m, vo
if (file) {
seq_printf(m, " file=");
......@@ -40942,6 +41019,34 @@ diff -urNp linux-2.6.30.5/mm/mempolicy.c linux-2.6.30.5/mm/mempolicy.c
} else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) {
seq_printf(m, " heap");
} else if (vma->vm_start <= mm->start_stack &&
diff -urNp linux-2.6.30.5/mm/migrate.c linux-2.6.30.5/mm/migrate.c
--- linux-2.6.30.5/mm/migrate.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/mm/migrate.c 2009-08-28 19:16:52.585127596 -0400
@@ -1085,6 +1085,14 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid,
if (!mm)
return -EINVAL;
+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
+ if (mm != current->mm &&
+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) {
+ err = -EPERM;
+ goto out;
+ }
+#endif
+
/*
* Check if this process has the right to modify the specified
* process. The right exists if the process has administrative
@@ -1094,8 +1102,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid,
rcu_read_lock();
tcred = __task_cred(task);
if (cred->euid != tcred->suid && cred->euid != tcred->uid &&
- cred->uid != tcred->suid && cred->uid != tcred->uid &&
- !capable(CAP_SYS_NICE)) {
+ cred->uid != tcred->suid && !capable(CAP_SYS_NICE)) {
rcu_read_unlock();
err = -EPERM;
goto out;
diff -urNp linux-2.6.30.5/mm/mlock.c linux-2.6.30.5/mm/mlock.c
--- linux-2.6.30.5/mm/mlock.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/mm/mlock.c 2009-07-30 11:10:49.799565380 -0400
......@@ -43474,6 +43579,18 @@ diff -urNp linux-2.6.30.5/net/ipv4/inet_hashtables.c linux-2.6.30.5/net/ipv4/ine
if (tw) {
inet_twsk_deschedule(tw, death_row);
inet_twsk_put(tw);
diff -urNp linux-2.6.30.5/net/ipv4/ip_output.c linux-2.6.30.5/net/ipv4/ip_output.c
--- linux-2.6.30.5/net/ipv4/ip_output.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/net/ipv4/ip_output.c 2009-08-28 18:54:39.383265912 -0400
@@ -814,6 +814,8 @@ int ip_append_data(struct sock *sk,
inet->cork.addr = ipc->addr;
}
rt = *rtp;
+ if (unlikely(rt == NULL))
+ return -EFAULT;
/*
* We steal reference to this route, caller should not release it
*/
diff -urNp linux-2.6.30.5/net/ipv4/netfilter/nf_nat_snmp_basic.c linux-2.6.30.5/net/ipv4/netfilter/nf_nat_snmp_basic.c
--- linux-2.6.30.5/net/ipv4/netfilter/nf_nat_snmp_basic.c 2009-07-24 17:47:51.000000000 -0400
+++ linux-2.6.30.5/net/ipv4/netfilter/nf_nat_snmp_basic.c 2009-07-30 09:48:10.155784268 -0400
main/linux-grsec/linux-nbma-mroute-v4-2.6.30.diff deleted 100644 → 0
View file @ 8bdd83b2
diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index 0d45b4e..406ef6f 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -33,7 +33,7 @@
#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
-#define MAXVIFS 32
+#define MAXVIFS 256
typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */
typedef unsigned short vifi_t;
#define ALL_VIFS ((vifi_t)(-1))
@@ -66,6 +66,7 @@ struct vifctl {
#define VIFF_TUNNEL 0x1 /* IPIP tunnel */
#define VIFF_SRCRT 0x2 /* NI */
#define VIFF_REGISTER 0x4 /* register vif */
+#define VIFF_NBMA 0x10
/*
* Cache manipulation structures for mrouted and PIMd
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 13e9dd3..43c988b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -105,6 +105,31 @@ static struct net_protocol pim_protocol;
static struct timer_list ipmr_expire_timer;
+static __be32 ipmr_get_skb_nbma(struct sk_buff *skb)
+{
+ union {
+ char addr[MAX_ADDR_LEN];
+ __be32 inaddr;
+ } u;
+
+ if (dev_parse_header(skb, u.addr) != 4)
+ return INADDR_ANY;
+
+ return u.inaddr;
+}
+
+static int ip_mr_match_vif_skb(struct vif_device *vif, struct sk_buff *skb)
+{
+ if (vif->dev != skb->dev)
+ return 0;
+
+ if (vif->flags & VIFF_NBMA)
+ return ipmr_get_skb_nbma(skb) == vif->remote;
+
+ return 1;
+}
+
+
/* Service routines creating virtual interfaces: DVMRP tunnels and PIMREG */
static void ipmr_del_tunnel(struct net_device *dev, struct vifctl *v)
@@ -470,6 +495,7 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
return err;
}
break;
+ case VIFF_NBMA:
case 0:
dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
if (!dev)
@@ -504,7 +530,7 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
v->pkt_in = 0;
v->pkt_out = 0;
v->link = dev->ifindex;
- if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER))
+ if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER|VIFF_NBMA))
v->link = dev->iflink;
/* And finish update writing critical data */
@@ -1212,12 +1238,15 @@ static inline int ipmr_forward_finish(struct sk_buff *skb)
{
struct ip_options * opt = &(IPCB(skb)->opt);
- IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
+ IP_INC_STATS_BH(dev_net(skb->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
if (unlikely(opt->optlen))
ip_forward_options(skb);
- return dst_output(skb);
+ if (skb->dst != NULL)
+ return dst_output(skb);
+ else
+ return dev_queue_xmit(skb);
}
/*
@@ -1230,7 +1259,8 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
const struct iphdr *iph = ip_hdr(skb);
struct vif_device *vif = &net->ipv4.vif_table[vifi];
struct net_device *dev;
- struct rtable *rt;
+ struct net_device *fromdev = skb->dev;
+ struct rtable *rt = NULL;
int encap = 0;
if (vif->dev == NULL)
@@ -1257,6 +1287,19 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
if (ip_route_output_key(net, &rt, &fl))
goto out_free;
encap = sizeof(struct iphdr);
+ dev = rt->u.dst.dev;
+ } else if (vif->flags&VIFF_NBMA) {
+ /* Fixme, we should take tunnel source address from the
+ * tunnel device binding if it exists */
+ struct flowi fl = { .oif = vif->link,
+ .nl_u = { .ip4_u =
+ { .daddr = vif->remote,
+ .tos = RT_TOS(iph->tos) } },
+ .proto = IPPROTO_GRE };
+ if (ip_route_output_key(&init_net, &rt, &fl))
+ goto out_free;
+ encap = LL_RESERVED_SPACE(rt->u.dst.dev);
+ dev = vif->dev;
} else {
struct flowi fl = { .oif = vif->link,
.nl_u = { .ip4_u =
@@ -1265,34 +1308,39 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
.proto = IPPROTO_IPIP };
if (ip_route_output_key(net, &rt, &fl))
goto out_free;
+ dev = rt->u.dst.dev;
}
- dev = rt->u.dst.dev;
+ if (!(vif->flags & VIFF_NBMA)) {
+ if (skb->len+encap > dst_mtu(&rt->u.dst) && (ntohs(iph->frag_off) & IP_DF)) {
+ /* Do not fragment multicasts. Alas, IPv4 does not
+ allow to send ICMP, so that packets will disappear
+ to blackhole.
+ */
- if (skb->len+encap > dst_mtu(&rt->u.dst) && (ntohs(iph->frag_off) & IP_DF)) {
- /* Do not fragment multicasts. Alas, IPv4 does not
- allow to send ICMP, so that packets will disappear
- to blackhole.
- */
-
- IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
- ip_rt_put(rt);
- goto out_free;
+ IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
+ goto out_free_rt;
+ }
}
encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
- if (skb_cow(skb, encap)) {
- ip_rt_put(rt);
- goto out_free;
- }
+ if (skb_cow(skb, encap))
+ goto out_free_rt;
vif->pkt_out++;
vif->bytes_out += skb->len;
dst_release(skb->dst);
- skb->dst = &rt->u.dst;
+ if (vif->flags & VIFF_NBMA) {
+ ip_rt_put(rt);
+ skb->dst = NULL;
+ rt = NULL;
+ } else {
+ skb->dst = &rt->u.dst;
+ }
ip_decrease_ttl(ip_hdr(skb));
+ skb->dev = dev;
/* FIXME: forward and output firewalls used to be called here.
* What do we do with netfilter? -- RR */
@@ -1301,6 +1349,10 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
/* FIXME: extra output firewall step used to be here. --RR */
vif->dev->stats.tx_packets++;
vif->dev->stats.tx_bytes += skb->len;
+ } else if (vif->flags & VIFF_NBMA) {
+ if (dev_hard_header(skb, dev, ntohs(skb->protocol),
+ &vif->remote, NULL, 4) < 0)
+ goto out_free_rt;
}
IPCB(skb)->flags |= IPSKB_FORWARDED;
@@ -1316,21 +1368,30 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
* not mrouter) cannot join to more than one interface - it will
* result in receiving multiple packets.
*/
- NF_HOOK(PF_INET, NF_INET_FORWARD, skb, skb->dev, dev,
+ NF_HOOK(PF_INET, NF_INET_FORWARD, skb, fromdev, dev,
ipmr_forward_finish);
return;
+out_free_rt:
+ if (rt != NULL)
+ ip_rt_put(rt);
out_free:
kfree_skb(skb);
return;
}
-static int ipmr_find_vif(struct net_device *dev)
+static int ipmr_find_vif(struct net_device *dev, __be32 nbma_origin)
{
struct net *net = dev_net(dev);
int ct;
for (ct = net->ipv4.maxvif-1; ct >= 0; ct--) {
- if (net->ipv4.vif_table[ct].dev == dev)
+ if (net->ipv4.vif_table[ct].dev != dev)
+ continue;
+
+ if (net->ipv4.vif_table[ct].flags & VIFF_NBMA) {
+ if (net->ipv4.vif_table[ct].remote == nbma_origin)
+ break;
+ } else if (nbma_origin == INADDR_ANY)
break;
}
return ct;
@@ -1351,7 +1412,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
/*
* Wrong interface: drop packet and (maybe) send PIM assert.
*/
- if (net->ipv4.vif_table[vif].dev != skb->dev) {
+ if (!ip_mr_match_vif_skb(&net->ipv4.vif_table[vif], skb)) {
int true_vifi;
if (skb->rtable->fl.iif == 0) {
@@ -1370,7 +1431,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
}
cache->mfc_un.res.wrong_if++;
- true_vifi = ipmr_find_vif(skb->dev);
+ true_vifi = ipmr_find_vif(skb->dev, ipmr_get_skb_nbma(skb));
if (true_vifi >= 0 && net->ipv4.mroute_do_assert &&
/* pimsm uses asserts, when switching from RPT to SPT,
@@ -1479,7 +1540,7 @@ int ip_mr_input(struct sk_buff *skb)
skb = skb2;
}
- vif = ipmr_find_vif(skb->dev);
+ vif = ipmr_find_vif(skb->dev, ipmr_get_skb_nbma(skb));
if (vif >= 0) {
int err = ipmr_cache_unresolved(net, vif, skb);
read_unlock(&mrt_lock);
@@ -1663,7 +1724,7 @@ int ipmr_get_route(struct net *net,
}
dev = skb->dev;
- if (dev == NULL || (vif = ipmr_find_vif(dev)) < 0) {
+ if (dev == NULL || (vif = ipmr_find_vif(dev, INADDR_ANY)) < 0) {
read_unlock(&mrt_lock);
return -ENODEV;
}
main/xtables-addons-grsec/APKBUILD
View file @ fd16ce47
......@@ -16,7 +16,7 @@ fi
pkgname=${_realname}-${_flavor}
pkgver=${pkgver:-1.17}
pkgrel=6
pkgrel=7
pkgdesc="Iptables extensions kernel modules"
url="http://xtables-addons.sourceforge.net/"
license="GPL"
......
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