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-rw-r--r--package/utils/busybox/Makefile2
-rw-r--r--package/utils/busybox/patches/204-udhcpc_no_msg_dontroute.patch11
-rw-r--r--package/utils/busybox/patches/400-udhcpc-remove-code-which-requires-server-ID-to-be-on.patch117
3 files changed, 118 insertions, 12 deletions
diff --git a/package/utils/busybox/Makefile b/package/utils/busybox/Makefile
index 77e76af..28375b8 100644
--- a/package/utils/busybox/Makefile
+++ b/package/utils/busybox/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=busybox
PKG_VERSION:=1.28.3
-PKG_RELEASE:=3
+PKG_RELEASE:=4
PKG_FLAGS:=essential
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
diff --git a/package/utils/busybox/patches/204-udhcpc_no_msg_dontroute.patch b/package/utils/busybox/patches/204-udhcpc_no_msg_dontroute.patch
deleted file mode 100644
index e70c412..0000000
--- a/package/utils/busybox/patches/204-udhcpc_no_msg_dontroute.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/networking/udhcp/dhcpc.c
-+++ b/networking/udhcp/dhcpc.c
-@@ -700,7 +700,7 @@
- return udhcp_send_kernel_packet(packet,
- ciaddr, CLIENT_PORT,
- server, SERVER_PORT,
-- /*send_flags: "to hosts only on directly connected networks" */ MSG_DONTROUTE
-+ 0 /*Was MSG_DONTROUTE here. It prevented unicast renewal requests to server in different subnet*/
- );
- }
- return raw_bcast_from_client_config_ifindex(packet, ciaddr);
diff --git a/package/utils/busybox/patches/400-udhcpc-remove-code-which-requires-server-ID-to-be-on.patch b/package/utils/busybox/patches/400-udhcpc-remove-code-which-requires-server-ID-to-be-on.patch
new file mode 100644
index 0000000..6770391
--- /dev/null
+++ b/package/utils/busybox/patches/400-udhcpc-remove-code-which-requires-server-ID-to-be-on.patch
@@ -0,0 +1,117 @@
+From 148788eb0ee96026105755cf3fd1ad3d94f49cd2 Mon Sep 17 00:00:00 2001
+From: Denys Vlasenko <vda.linux@googlemail.com>
+Date: Thu, 21 Jun 2018 17:36:22 +0200
+Subject: [PATCH] udhcpc: remove code which requires server ID to be on local
+ network
+
+This reverts "udhcpc: paranoia when using kernel UDP mode
+for sending renew: server ID may be bogus".
+
+Users complain that they do have servers behind routers
+(with DHCP relays).
+
+function old new delta
+send_packet 168 166 -2
+bcast_or_ucast 25 23 -2
+udhcp_send_kernel_packet 301 295 -6
+------------------------------------------------------------------------------
+(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-10) Total: -10 bytes
+
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+---
+ networking/udhcp/common.h | 4 +---
+ networking/udhcp/d6_dhcpc.c | 4 +---
+ networking/udhcp/dhcpc.c | 10 ++--------
+ networking/udhcp/dhcpd.c | 4 +---
+ networking/udhcp/packet.c | 7 +++----
+ 5 files changed, 8 insertions(+), 21 deletions(-)
+
+--- a/networking/udhcp/common.h
++++ b/networking/udhcp/common.h
+@@ -308,9 +308,7 @@ int udhcp_send_raw_packet(struct dhcp_pa
+
+ int udhcp_send_kernel_packet(struct dhcp_packet *dhcp_pkt,
+ uint32_t source_nip, int source_port,
+- uint32_t dest_nip, int dest_port,
+- int send_flags
+-) FAST_FUNC;
++ uint32_t dest_nip, int dest_port) FAST_FUNC;
+
+ void udhcp_sp_setup(void) FAST_FUNC;
+ void udhcp_sp_fd_set(struct pollfd *pfds, int extra_fd) FAST_FUNC;
+--- a/networking/udhcp/d6_dhcpc.c
++++ b/networking/udhcp/d6_dhcpc.c
+@@ -702,15 +702,13 @@ static NOINLINE int send_d6_renew(uint32
+ opt_ptr = add_d6_client_options(opt_ptr);
+
+ bb_error_msg("sending %s", "renew");
+- if (server_ipv6) {
++ if (server_ipv6)
+ return d6_send_kernel_packet(
+ &packet, (opt_ptr - (uint8_t*) &packet),
+ our_cur_ipv6, CLIENT_PORT6,
+ server_ipv6, SERVER_PORT6,
+ client_config.ifindex
+- /* TODO? send_flags: MSG_DONTROUTE (see IPv4 code for reason why) */
+ );
+- }
+ return d6_mcast_from_client_config_ifindex(&packet, opt_ptr);
+ }
+
+--- a/networking/udhcp/dhcpc.c
++++ b/networking/udhcp/dhcpc.c
+@@ -693,16 +693,10 @@ static int raw_bcast_from_client_config_
+
+ static int bcast_or_ucast(struct dhcp_packet *packet, uint32_t ciaddr, uint32_t server)
+ {
+- if (server) {
+- /* Without MSG_DONTROUTE, the packet was seen routed over
+- * _other interface_ if server ID is bogus (example: 1.1.1.1).
+- */
++ if (server)
+ return udhcp_send_kernel_packet(packet,
+ ciaddr, CLIENT_PORT,
+- server, SERVER_PORT,
+- /*send_flags: "to hosts only on directly connected networks" */ MSG_DONTROUTE
+- );
+- }
++ server, SERVER_PORT);
+ return raw_bcast_from_client_config_ifindex(packet, ciaddr);
+ }
+
+--- a/networking/udhcp/dhcpd.c
++++ b/networking/udhcp/dhcpd.c
+@@ -588,9 +588,7 @@ static void send_packet_to_relay(struct
+
+ udhcp_send_kernel_packet(dhcp_pkt,
+ server_config.server_nip, SERVER_PORT,
+- dhcp_pkt->gateway_nip, SERVER_PORT,
+- /*send_flags:*/ 0
+- );
++ dhcp_pkt->gateway_nip, SERVER_PORT);
+ }
+
+ static void send_packet(struct dhcp_packet *dhcp_pkt, int force_broadcast)
+--- a/networking/udhcp/packet.c
++++ b/networking/udhcp/packet.c
+@@ -189,8 +189,7 @@ int FAST_FUNC udhcp_send_raw_packet(stru
+ /* Let the kernel do all the work for packet generation */
+ int FAST_FUNC udhcp_send_kernel_packet(struct dhcp_packet *dhcp_pkt,
+ uint32_t source_nip, int source_port,
+- uint32_t dest_nip, int dest_port,
+- int send_flags)
++ uint32_t dest_nip, int dest_port)
+ {
+ struct sockaddr_in sa;
+ unsigned padding;
+@@ -227,8 +226,8 @@ int FAST_FUNC udhcp_send_kernel_packet(s
+ padding = DHCP_OPTIONS_BUFSIZE - 1 - udhcp_end_option(dhcp_pkt->options);
+ if (padding > DHCP_SIZE - 300)
+ padding = DHCP_SIZE - 300;
+- result = send(fd, dhcp_pkt, DHCP_SIZE - padding, send_flags);
+- msg = "send";
++ result = safe_write(fd, dhcp_pkt, DHCP_SIZE - padding);
++ msg = "write";
+ ret_close:
+ close(fd);
+ if (result < 0) {