X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fplugins%2Frp-pppoe%2Fplugin.c;h=9ceb66d8fcc034fceba9caa8e79f42284116370d;hp=c89be94250bc660203beb0a163776fddbb5d074b;hb=c9d9dbfb8459b528ab56bd1cf0c41460801bbfdf;hpb=12fc6939987bc20feff22aadd82dff1a623d892b

diff --git a/pppd/plugins/rp-pppoe/plugin.c b/pppd/plugins/rp-pppoe/plugin.c
index c89be94..9ceb66d 100644
--- a/pppd/plugins/rp-pppoe/plugin.c
+++ b/pppd/plugins/rp-pppoe/plugin.c
@@ -68,6 +68,7 @@ static char *existingSession = NULL;
 static int printACNames = 0;
 static char *pppoe_reqd_mac = NULL;
 unsigned char pppoe_reqd_mac_addr[6];
+static char *host_uniq;
 
 static int PPPoEDevnameHook(char *cmd, char **argv, int doit);
 static option_t Options[] = {
@@ -85,6 +86,8 @@ static option_t Options[] = {
       "Be verbose about discovered access concentrators"},
     { "pppoe-mac", o_string, &pppoe_reqd_mac,
       "Only connect to specified MAC address" },
+    { "host-uniq", o_string, &host_uniq,
+      "Set the Host-Uniq to the supplied hex string" },
     { NULL }
 };
 int (*OldDevnameHook)(char *cmd, char **argv, int doit) = NULL;
@@ -110,7 +113,6 @@ PPPOEInitDevice(void)
     conn->ifName = devnam;
     conn->discoverySocket = -1;
     conn->sessionSocket = -1;
-    conn->useHostUniq = 1;
     conn->printACNames = printACNames;
     conn->discoveryTimeout = PADI_TIMEOUT;
     return 1;
@@ -153,7 +155,7 @@ PPPOEConnectDevice(void)
 	error("Can't get MTU for %s: %m", conn->ifName);
 	goto errout;
     }
-    strncpy(ifr.ifr_name, conn->ifName, sizeof(ifr.ifr_name));
+    strlcpy(ifr.ifr_name, conn->ifName, sizeof(ifr.ifr_name));
     if (ioctl(s, SIOCGIFMTU, &ifr) < 0) {
 	error("Can't get MTU for %s: %m", conn->ifName);
 	close(s);
@@ -166,6 +168,17 @@ PPPOEConnectDevice(void)
     if (lcp_wantoptions[0].mru > ifr.ifr_mtu - TOTAL_OVERHEAD)
 	lcp_wantoptions[0].mru = ifr.ifr_mtu - TOTAL_OVERHEAD;
 
+    if (host_uniq) {
+	if (!parseHostUniq(host_uniq, &conn->hostUniq))
+	    fatal("Illegal value for host-uniq option");
+    } else {
+	/* if a custom host-uniq is not supplied, use our PID */
+	pid_t pid = getpid();
+	conn->hostUniq.type = htons(TAG_HOST_UNIQ);
+	conn->hostUniq.length = htons(sizeof(pid));
+	memcpy(conn->hostUniq.payload, &pid, sizeof(pid));
+    }
+
     conn->acName = acName;
     conn->serviceName = pppd_pppoe_service;
     strlcpy(ppp_devnam, devnam, sizeof(ppp_devnam));
@@ -327,7 +340,7 @@ PPPoEDevnameHook(char *cmd, char **argv, int doit)
 
     /* Try getting interface index */
     if (r) {
-	strncpy(ifr.ifr_name, cmd, sizeof(ifr.ifr_name));
+	strlcpy(ifr.ifr_name, cmd, sizeof(ifr.ifr_name));
 	if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) {
 	    r = 0;
 	} else {
@@ -346,7 +359,7 @@ PPPoEDevnameHook(char *cmd, char **argv, int doit)
     /* Close socket */
     close(fd);
     if (r && doit) {
-	strncpy(devnam, cmd, sizeof(devnam));
+	strlcpy(devnam, cmd, sizeof(devnam));
 	if (the_channel != &pppoe_channel) {
 
 	    the_channel = &pppoe_channel;