mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-06-14 03:03:52 +02:00
79 lines
1.9 KiB
Plaintext
79 lines
1.9 KiB
Plaintext
--- ppp/pppd/plugins/rp-pppoe/plugin.c.orig 2003-04-07 02:09:05.000000000 +0200
|
|
+++ ppp/pppd/plugins/rp-pppoe/plugin.c 2003-12-03 22:15:07.000000000 +0100
|
|
@@ -114,6 +114,57 @@
|
|
return 1;
|
|
}
|
|
|
|
+/* from <linux/if.h> */
|
|
+#define IFF_UP 0x1
|
|
+#define IFF_RUNNING 0x40
|
|
+
|
|
+static short ifrflags_old;
|
|
+
|
|
+static int interface_change(const char* ifname, int up)
|
|
+{
|
|
+ int fd;
|
|
+ struct ifreq ifr;
|
|
+
|
|
+ if (!up && ifrflags_old != 0) {
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ fd = socket(AF_INET, SOCK_DGRAM, 0);
|
|
+ if (fd < 0) {
|
|
+ warn("socket(AF_INET, SOCK_DGRAM, 0): %s", strerror(errno));
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
|
|
+ if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
|
|
+ warn("%s: unknown interface: %s", ifname, strerror(errno));
|
|
+ return -1;
|
|
+ }
|
|
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
|
|
+ if (up) {
|
|
+ ifrflags_old = ifr.ifr_flags & (IFF_UP | IFF_RUNNING);
|
|
+ ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
|
|
+ } else {
|
|
+ ifr.ifr_flags &= ~(IFF_UP | IFF_RUNNING);
|
|
+ }
|
|
+ if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
|
|
+ warn("SIOCSIFFLAGS: %s", strerror(errno));
|
|
+ return -1;
|
|
+ }
|
|
+ close(fd);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int interface_up (const char *ifname)
|
|
+{
|
|
+ return interface_change(ifname,1);
|
|
+}
|
|
+
|
|
+static int interface_down (const char* ifname)
|
|
+{
|
|
+ return interface_change(ifname,0);
|
|
+}
|
|
+
|
|
/**********************************************************************
|
|
* %FUNCTION: PPPOEConnectDevice
|
|
* %ARGUMENTS:
|
|
@@ -142,6 +193,8 @@
|
|
conn->peerEth[i] = (unsigned char) mac[i];
|
|
}
|
|
} else {
|
|
+ if (interface_up(conn->ifName) < 0)
|
|
+ return -1;
|
|
discovery(conn);
|
|
if (conn->discoveryState != STATE_SESSION) {
|
|
fatal("Unable to complete PPPoE Discovery");
|
|
@@ -243,6 +296,8 @@
|
|
return;
|
|
}
|
|
close(conn->sessionSocket);
|
|
+ if (interface_down(conn->ifName) < 0)
|
|
+ warn("We brought %s up but failed to take it down",conn->ifName);
|
|
}
|
|
|
|
static void
|