diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-10-27 12:56:58 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-10-27 12:56:58 +0000 |
| commit | 7ff85c53f17cbd6e3696ece978910f33f74901fe (patch) | |
| tree | 15c14405bd29f8bcede85087bd481d21dd22b4e9 /networking | |
| parent | de5f645dff4848e30a2bf564713088c2425ce9e2 (diff) | |
| download | busybox-7ff85c53f17cbd6e3696ece978910f33f74901fe.tar.gz | |
udhcp: simplify SO_BINDTODEVICE call
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/udhcp/common.h | 2 | ||||
| -rw-r--r-- | networking/udhcp/socket.c | 5 |
2 files changed, 3 insertions, 4 deletions
diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h index 66a0b0d8b..de4a8c75a 100644 --- a/networking/udhcp/common.h +++ b/networking/udhcp/common.h @@ -91,8 +91,8 @@ void udhcp_run_script(struct dhcpMessage *packet, const char *name) FAST_FUNC; void udhcp_sp_setup(void) FAST_FUNC; int udhcp_sp_fd_set(fd_set *rfds, int extra_fd) FAST_FUNC; int udhcp_sp_read(const fd_set *rfds) FAST_FUNC; -int udhcp_raw_socket(int ifindex) FAST_FUNC; int udhcp_read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp) FAST_FUNC; +int udhcp_raw_socket(int ifindex) FAST_FUNC; int udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) FAST_FUNC; /* Returns 1 if no reply received */ int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface) FAST_FUNC; diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c index 2d272510d..ea0a2c3a8 100644 --- a/networking/udhcp/socket.c +++ b/networking/udhcp/socket.c @@ -88,7 +88,6 @@ int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t int FAST_FUNC udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) { int fd; - struct ifreq interface; struct sockaddr_in addr; DEBUG("Opening listen socket on *:%d %s", port, inf); @@ -98,8 +97,8 @@ int FAST_FUNC udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) if (setsockopt_broadcast(fd) == -1) bb_perror_msg_and_die("SO_BROADCAST"); - strncpy(interface.ifr_name, inf, IFNAMSIZ); - if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &interface, sizeof(interface)) == -1) + /* 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"); memset(&addr, 0, sizeof(addr)); |