Imported Upstream connman version 1.38

[platform/upstream/connman.git] / gdhcp / common.c

diff --git a/gdhcp/common.c b/gdhcp/common.c
index 8f7a65c..1d667d1 100755 (executable)
--- a/gdhcp/common.c
+++ b/gdhcp/common.c
@@ -595,7 +595,8 @@ int dhcp_send_raw_packet(struct dhcp_packet *dhcp_pkt,
 
 int dhcp_send_kernel_packet(struct dhcp_packet *dhcp_pkt,
                                uint32_t source_ip, int source_port,
-                               uint32_t dest_ip, int dest_port)
+                               uint32_t dest_ip, int dest_port,
+                               const char *interface)
 {
        struct sockaddr_in client;
        int fd, n, opt = 1;
@@ -609,6 +610,13 @@ int dhcp_send_kernel_packet(struct dhcp_packet *dhcp_pkt,
        if (fd < 0)
                return -errno;
 
+       if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,
+                               interface, strlen(interface) + 1) < 0) {
+               int err = errno;
+               close(fd);
+               return -err;
+       }
+
        if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
                int err = errno;
                close(fd);