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git://projects.qi-hardware.com/openwrt-xburst.git
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097635b79b
- sstrip cleanup from mjn3 - various patches from nico and others: http://openwrt.org/forum/viewtopic.php?t=368 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@145 3c298f89-4303-0410-b956-a3cf2f4a3e73
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
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+++ ppp/pppd/plugins/rp-pppoe/plugin.c 2003-12-03 22:15:07.000000000 +0100
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@@ -114,6 +114,57 @@
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return 1;
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}
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+/* from <linux/if.h> */
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+#define IFF_UP 0x1
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+#define IFF_RUNNING 0x40
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+
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+static short ifrflags_old;
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+
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+static int interface_change(const char* ifname, int up)
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+{
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+ int fd;
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+ struct ifreq ifr;
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+
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+ if (!up && ifrflags_old != 0) {
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+ return 0;
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+ }
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+
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+ fd = socket(AF_INET, SOCK_DGRAM, 0);
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+ if (fd < 0) {
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+ warn("socket(AF_INET, SOCK_DGRAM, 0): %s", strerror(errno));
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+ return -1;
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+ }
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+
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+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
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+ if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
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+ warn("%s: unknown interface: %s", ifname, strerror(errno));
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+ return -1;
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+ }
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+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
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+ if (up) {
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+ ifrflags_old = ifr.ifr_flags & (IFF_UP | IFF_RUNNING);
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+ ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
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+ } else {
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+ ifr.ifr_flags &= ~(IFF_UP | IFF_RUNNING);
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+ }
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+ if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
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+ warn("SIOCSIFFLAGS: %s", strerror(errno));
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+ return -1;
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+ }
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+ close(fd);
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+ return 0;
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+}
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+
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+static int interface_up (const char *ifname)
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+{
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+ return interface_change(ifname,1);
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+}
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+
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+static int interface_down (const char* ifname)
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+{
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+ return interface_change(ifname,0);
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+}
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+
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/**********************************************************************
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* %FUNCTION: PPPOEConnectDevice
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* %ARGUMENTS:
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@@ -142,6 +193,8 @@
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conn->peerEth[i] = (unsigned char) mac[i];
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}
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} else {
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+ if (interface_up(conn->ifName) < 0)
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+ return -1;
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discovery(conn);
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if (conn->discoveryState != STATE_SESSION) {
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fatal("Unable to complete PPPoE Discovery");
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@@ -243,6 +296,8 @@
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return;
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}
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close(conn->sessionSocket);
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+ if (interface_down(conn->ifName) < 0)
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+ warn("We brought %s up but failed to take it down",conn->ifName);
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}
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static void
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