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-rw-r--r--package/utils/busybox/Makefile2
-rw-r--r--package/utils/busybox/patches/002-libbb-send_to_from-do-not-require-that-to-should-hav.patch37
2 files changed, 38 insertions, 1 deletions
diff --git a/package/utils/busybox/Makefile b/package/utils/busybox/Makefile
index 37b8c1445c..f602afe335 100644
--- a/package/utils/busybox/Makefile
+++ b/package/utils/busybox/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=busybox
PKG_VERSION:=1.25.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
PKG_FLAGS:=essential
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
diff --git a/package/utils/busybox/patches/002-libbb-send_to_from-do-not-require-that-to-should-hav.patch b/package/utils/busybox/patches/002-libbb-send_to_from-do-not-require-that-to-should-hav.patch
new file mode 100644
index 0000000000..f33c3b22e1
--- /dev/null
+++ b/package/utils/busybox/patches/002-libbb-send_to_from-do-not-require-that-to-should-hav.patch
@@ -0,0 +1,37 @@
+From 7cef4817d6d6d61a1166ed7dfc13537b95c65970 Mon Sep 17 00:00:00 2001
+From: Denys Vlasenko <vda.linux@googlemail.com>
+Date: Thu, 15 Sep 2016 13:20:51 +0200
+Subject: [PATCH] libbb:/send_to_from: do not require that "to" should have the
+ same AF. Closes 9146
+
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+---
+ libbb/udp_io.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+--- a/libbb/udp_io.c
++++ b/libbb/udp_io.c
+@@ -70,7 +70,13 @@ send_to_from(int fd, void *buf, size_t l
+ msg.msg_flags = flags;
+
+ cmsgptr = CMSG_FIRSTHDR(&msg);
+- if (to->sa_family == AF_INET && from->sa_family == AF_INET) {
++ /*
++ * Users report that to->sa_family can be AF_INET6 too,
++ * if "to" was acquired by recv_from_to(). IOW: recv_from_to()
++ * was seen showing IPv6 "from" even when the destination
++ * of received packet (our local address) was IPv4.
++ */
++ if (/* to->sa_family == AF_INET && */ from->sa_family == AF_INET) {
+ struct in_pktinfo *pktptr;
+ cmsgptr->cmsg_level = IPPROTO_IP;
+ cmsgptr->cmsg_type = IP_PKTINFO;
+@@ -86,7 +92,7 @@ send_to_from(int fd, void *buf, size_t l
+ pktptr->ipi_spec_dst = ((struct sockaddr_in*)from)->sin_addr;
+ }
+ # if ENABLE_FEATURE_IPV6 && defined(IPV6_PKTINFO)
+- else if (to->sa_family == AF_INET6 && from->sa_family == AF_INET6) {
++ else if (/* to->sa_family == AF_INET6 && */ from->sa_family == AF_INET6) {
+ struct in6_pktinfo *pktptr;
+ cmsgptr->cmsg_level = IPPROTO_IPV6;
+ cmsgptr->cmsg_type = IPV6_PKTINFO;