new methods

1 files changed, 106 insertions, 0 deletions

diff --git a/isys/inet.c b/isys/inet.c
new file mode 100644
index 000000000..b31dbc3cb
--- /dev/null
+++ b/isys/inet.c
@@ -0,0 +1,106 @@
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <net/route.h>
+#include <sys/ioctl.h>
+
+#include "inet.h"
+
+int configureNetDevice(struct intfInfo * intf) {
+    struct ifreq req;
+    int s;
+    struct sockaddr_in addr;
+    struct in_addr ia;
+    char ip[20], nm[20], nw[20], bc[20];
+#if 0 /* 2.0 kernels only */
+    struct rtentry route;
+#endif
+	
+    addr.sin_family = AF_INET;
+    addr.sin_port = 0;
+
+    memcpy(&ia, &intf->ip, sizeof(intf->ip));
+    strcpy(ip, inet_ntoa(ia));
+
+    memcpy(&ia, &intf->netmask, sizeof(intf->netmask));
+    strcpy(nm, inet_ntoa(ia));
+
+    memcpy(&ia, &intf->broadcast, sizeof(intf->broadcast));
+    strcpy(bc, inet_ntoa(ia));
+
+    memcpy(&ia, &intf->network, sizeof(intf->network));
+    strcpy(nw, inet_ntoa(ia));
+
+    s = socket(AF_INET, SOCK_DGRAM, 0);
+    if (s < 0) {
+	perror("socket");
+        return 1;
+    }
+    
+    strcpy(req.ifr_name, intf->device);
+    req.ifr_flags &= ~(IFF_UP | IFF_RUNNING); /* Take down iface */
+    if (ioctl(s, SIOCSIFFLAGS, &req)) {
+        perror("SIOCSIFFLAGS");
+        close(s);
+        return 1;
+    }
+
+    addr.sin_port = 0;
+    memcpy(&addr.sin_addr, &intf->ip, sizeof(intf->ip));
+    memcpy(&req.ifr_addr, &addr, sizeof(addr));
+    if (ioctl(s, SIOCSIFADDR, &req)) {
+        perror("SIOCSIFADDR");
+        close(s);
+        return 1;
+    }
+
+    memcpy(&addr.sin_addr, &intf->broadcast, sizeof(intf->broadcast));
+    memcpy(&req.ifr_broadaddr, &addr, sizeof(addr));
+    if (ioctl(s, SIOCSIFBRDADDR, &req)) {
+        perror("SIOCSIFNETMASK");
+        close(s);
+        return 1;
+    }
+
+    memcpy(&addr.sin_addr, &intf->netmask, sizeof(intf->netmask));
+    memcpy(&req.ifr_netmask, &addr, sizeof(addr));
+    if (ioctl(s, SIOCSIFNETMASK, &req)) {
+        perror("SIOCSIFNETMASK\n");
+        close(s);
+        return 1;
+    }
+
+    if (intf->isPtp)
+        req.ifr_flags = IFF_UP | IFF_RUNNING | IFF_POINTOPOINT | IFF_NOARP;
+    else
+        req.ifr_flags = IFF_UP | IFF_RUNNING | IFF_BROADCAST;
+
+    if (ioctl(s, SIOCSIFFLAGS, &req)) {
+        perror("SIOCSIFFLAGS");
+        close(s);
+        return 1;
+    }
+
+#if 0 /* kernel 2.0 only */
+    memset(&route, 0, sizeof(route));
+    route.rt_dev = intf->device;
+    route.rt_flags = RTF_UP;
+
+    memcpy(&addr.sin_addr, &intf->network, sizeof(intf->netmask));
+    memcpy(&route.rt_dst, &addr, sizeof(addr));
+
+    memcpy(&addr.sin_addr, &intf->netmask, sizeof(intf->netmask));
+    memcpy(&route.rt_genmask, &addr, sizeof(addr));
+
+    if (ioctl(s, SIOCADDRT, &route)) {
+        perror("SIOCADDRT");
+        close(s);
+        return 1;
+
+    }
+#endif
+    
+    intf->isUp = 1;
+
+    return 0;
+}