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-rw-r--r--package/busybox/busybox-1.13.1-bindtodevice.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/package/busybox/busybox-1.13.1-bindtodevice.patch b/package/busybox/busybox-1.13.1-bindtodevice.patch
new file mode 100644
index 000000000..189414529
--- /dev/null
+++ b/package/busybox/busybox-1.13.1-bindtodevice.patch
@@ -0,0 +1,86 @@
+--- busybox-1.13.1/include/libbb.h Sun Nov 9 18:28:17 2008
++++ busybox-1.13.1-bindtodevice/include/libbb.h Wed Dec 10 12:10:30 2008
+@@ -437,6 +437,7 @@
+ * Turn it on before you call bind(). */
+ void setsockopt_reuseaddr(int fd) FAST_FUNC; /* On Linux this never fails. */
+ int setsockopt_broadcast(int fd) FAST_FUNC;
++int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC;
+ /* NB: returns port in host byte order */
+ unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port) FAST_FUNC;
+ typedef struct len_and_sockaddr {
+--- busybox-1.13.1/libbb/xconnect.c Sun Nov 9 18:28:09 2008
++++ busybox-1.13.1-bindtodevice/libbb/xconnect.c Wed Dec 10 23:20:29 2008
+@@ -7,6 +7,7 @@
+ */
+
+ #include <netinet/in.h>
++#include <net/if.h>
+ #include "libbb.h"
+
+ void FAST_FUNC setsockopt_reuseaddr(int fd)
+@@ -17,6 +18,20 @@
+ {
+ return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &const_int_1, sizeof(const_int_1));
+ }
++int FAST_FUNC setsockopt_bindtodevice(int fd, const char *iface)
++{
++ int r;
++ struct ifreq ifr;
++ strncpy(ifr.ifr_name, iface, IFNAMSIZ);
++ /* Actually, ifr_name is at offset 0, and in practice
++ * just giving char[IFNAMSIZ] instead of struct ifreq works too.
++ * But just in case it's not true on some obscure arch... */
++ r = setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr));
++ if (r)
++ bb_perror_msg("can't bind to interface %s", iface);
++ return r;
++}
++
+
+ void FAST_FUNC xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen)
+ {
+--- busybox-1.13.1/networking/arping.c Sun Nov 9 18:27:59 2008
++++ busybox-1.13.1-bindtodevice/networking/arping.c Wed Dec 10 12:10:30 2008
+@@ -322,8 +322,7 @@
+ struct sockaddr_in saddr;
+ int probe_fd = xsocket(AF_INET, SOCK_DGRAM, 0);
+
+- if (setsockopt(probe_fd, SOL_SOCKET, SO_BINDTODEVICE, device, strlen(device) + 1) == -1)
+- bb_perror_msg("cannot bind to device %s", device);
++ setsockopt_bindtodevice(probe_fd, device);
+ memset(&saddr, 0, sizeof(saddr));
+ saddr.sin_family = AF_INET;
+ if (src.s_addr) {
+--- busybox-1.13.1/networking/ping.c Sun Nov 9 18:27:59 2008
++++ busybox-1.13.1-bindtodevice/networking/ping.c Wed Dec 10 12:10:30 2008
+@@ -572,7 +572,7 @@
+ xbind(pingsock, &source_lsa->u.sa, source_lsa->len);
+ }
+ if (str_I)
+- setsockopt(pingsock, SOL_SOCKET, SO_BINDTODEVICE, str_I, strlen(str_I) + 1);
++ setsockopt_bindtodevice(pingsock, str_I);
+
+ /* enable broadcast pings */
+ setsockopt_broadcast(pingsock);
+@@ -622,7 +622,7 @@
+ if (source_lsa)
+ xbind(pingsock, &source_lsa->u.sa, source_lsa->len);
+ if (str_I)
+- setsockopt(pingsock, SOL_SOCKET, SO_BINDTODEVICE, str_I, strlen(str_I) + 1);
++ setsockopt_bindtodevice(pingsock, str_I);
+
+ #ifdef ICMP6_FILTER
+ {
+--- busybox-1.13.1/networking/udhcp/socket.c Sun Nov 9 18:27:58 2008
++++ busybox-1.13.1-bindtodevice/networking/udhcp/socket.c Wed Dec 10 12:10:30 2008
+@@ -98,8 +98,8 @@
+ bb_perror_msg_and_die("SO_BROADCAST");
+
+ /* NB: bug 1032 says this doesn't work on ethernet aliases (ethN:M) */
+- if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &inf, strlen(inf) + 1) == -1)
+- bb_perror_msg_and_die("SO_BINDTODEVICE");
++ if (setsockopt_bindtodevice(fd, inf))
++ xfunc_die(); /* warning is already printed */
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;