Add some more INET helpers

diff --git a/include/inet.h b/include/inet.h
index 3aacbdc..1f80b74 100644 (file)
--- a/include/inet.h
+++ b/include/inet.h
@@ -26,6 +26,8 @@
 extern "C" {
 #endif
 
+#include <arpa/inet.h>
+
 #include <connman/device.h>
 
 extern int connman_inet_ifindex(const char *name);
@@ -36,6 +38,11 @@ extern int connman_inet_ifdown(int index);
 
 extern struct connman_device *connman_inet_create_device(int index);
 
+extern int connman_inet_set_address(int index, struct in_addr address,
+                       struct in_addr netmask, struct in_addr broadcast);
+extern int connman_inet_clear_address(int index);
+extern int connman_inet_set_gateway(int index, struct in_addr gateway);
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/src/inet.c b/src/inet.c
index 56ccc59..7789286 100644 (file)
--- a/src/inet.c
+++ b/src/inet.c
@@ -31,6 +31,8 @@
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
+#include <arpa/inet.h>
+#include <net/route.h>
 #include <net/ethernet.h>
 #include <linux/if_arp.h>
 #include <linux/wireless.h>
@@ -415,3 +417,161 @@ struct connman_device *connman_inet_create_device(int index)
 
        return device;
 }
+
+int connman_inet_set_address(int index, struct in_addr address,
+                       struct in_addr netmask, struct in_addr broadcast)
+{
+       struct ifreq ifr;
+       struct sockaddr_in *addr;
+       int sk, err;
+
+       sk = socket(PF_INET, SOCK_DGRAM, 0);
+       if (sk < 0)
+               return -1;
+
+       memset(&ifr, 0, sizeof(ifr));
+       ifr.ifr_ifindex = index;
+
+       if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+               close(sk);
+               return -1;
+       }
+
+       DBG("ifname %s", ifr.ifr_name);
+
+       addr = (struct sockaddr_in *) &ifr.ifr_addr;
+       addr->sin_family = AF_INET;
+       addr->sin_addr = address;
+
+       err = ioctl(sk, SIOCSIFADDR, &ifr);
+
+       if (err < 0)
+               DBG("address setting failed (%s)", strerror(errno));
+
+       addr = (struct sockaddr_in *) &ifr.ifr_netmask;
+       addr->sin_family = AF_INET;
+       addr->sin_addr = netmask;
+
+       err = ioctl(sk, SIOCSIFNETMASK, &ifr);
+
+       if (err < 0)
+               DBG("netmask setting failed (%s)", strerror(errno));
+
+       addr = (struct sockaddr_in *) &ifr.ifr_broadaddr;
+       addr->sin_family = AF_INET;
+       addr->sin_addr = broadcast;
+
+       err = ioctl(sk, SIOCSIFBRDADDR, &ifr);
+
+       if (err < 0)
+               DBG("broadcast setting failed (%s)", strerror(errno));
+
+       close(sk);
+
+       return 0;
+}
+
+int connman_inet_clear_address(int index)
+{
+       struct ifreq ifr;
+       struct sockaddr_in *addr;
+       int sk, err;
+
+       sk = socket(PF_INET, SOCK_DGRAM, 0);
+       if (sk < 0)
+               return -1;
+
+       memset(&ifr, 0, sizeof(ifr));
+       ifr.ifr_ifindex = index;
+
+       if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+               close(sk);
+               return -1;
+       }
+
+       DBG("ifname %s", ifr.ifr_name);
+
+       addr = (struct sockaddr_in *) &ifr.ifr_addr;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       //err = ioctl(sk, SIOCDIFADDR, &ifr);
+       err = ioctl(sk, SIOCSIFADDR, &ifr);
+
+       close(sk);
+
+       if (err < 0 && errno != EADDRNOTAVAIL) {
+               DBG("address removal failed (%s)", strerror(errno));
+               return -1;
+       }
+
+       return 0;
+}
+
+int connman_inet_set_gateway(int index, struct in_addr gateway)
+{
+       struct ifreq ifr;
+       struct rtentry rt;
+       struct sockaddr_in *addr;
+       int sk, err;
+
+       sk = socket(PF_INET, SOCK_DGRAM, 0);
+       if (sk < 0)
+               return -1;
+
+       memset(&ifr, 0, sizeof(ifr));
+       ifr.ifr_ifindex = index;
+
+       if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+               close(sk);
+               return -1;
+       }
+
+       DBG("ifname %s", ifr.ifr_name);
+
+       memset(&rt, 0, sizeof(rt));
+       rt.rt_flags = RTF_UP | RTF_HOST;
+
+       addr = (struct sockaddr_in *) &rt.rt_dst;
+       addr->sin_family = AF_INET;
+       addr->sin_addr = gateway;
+
+       addr = (struct sockaddr_in *) &rt.rt_gateway;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       addr = (struct sockaddr_in *) &rt.rt_genmask;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       rt.rt_dev = ifr.ifr_name;
+
+       err = ioctl(sk, SIOCADDRT, &rt);
+       if (err < 0)
+               connman_error("Setting host gateway route failed (%s)",
+                                                       strerror(errno));
+
+       memset(&rt, 0, sizeof(rt));
+       rt.rt_flags = RTF_UP | RTF_GATEWAY;
+
+       addr = (struct sockaddr_in *) &rt.rt_dst;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       addr = (struct sockaddr_in *) &rt.rt_gateway;
+       addr->sin_family = AF_INET;
+       addr->sin_addr = gateway;
+
+       addr = (struct sockaddr_in *) &rt.rt_genmask;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       err = ioctl(sk, SIOCADDRT, &rt);
+       if (err < 0)
+               connman_error("Setting default route failed (%s)",
+                                                       strerror(errno));
+
+       close(sk);
+
+       return err;
+}