Merge branch 'master' of git://github.com/cmcqueen/ppp

[ppp.git] / pppd / sys-linux.c

diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c
index 67b50cb663fa827051dc4480116f72e259dfd516..e5e9baf8821ff775305a7681441634a0f1bb97c3 100644 (file)
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
@@ -205,6 +205,7 @@ static char loop_name[20];
 static unsigned char inbuf[512]; /* buffer for chars read from loopback */
 
 static int     if_is_up;       /* Interface has been marked up */
+static int     if6_is_up;      /* Interface has been marked up for IPv6, to help differentiate */
 static int     have_default_route;     /* Gateway for default route added */
 static u_int32_t proxy_arp_addr;       /* Addr for proxy arp entry added */
 static char proxy_arp_dev[16];         /* Device for proxy arp entry */
@@ -239,6 +240,7 @@ static void decode_version (char *buf, int *version, int *mod, int *patch);
 static int set_kdebugflag(int level);
 static int ppp_registered(void);
 static int make_ppp_unit(void);
+static int setifstate (int u, int state);
 
 extern u_char  inpacket_buf[]; /* borrowed from main.c */
 
@@ -338,6 +340,9 @@ void sys_cleanup(void)
        if_is_up = 0;
        sifdown(0);
     }
+    if (if6_is_up)
+       sif6down(0);
+
 /*
  * Delete any routes through the device.
  */
@@ -966,6 +971,9 @@ void set_up_tty(int tty_fd, int local)
        break;
     }
 
+    if (stop_bits >= 2)
+       tios.c_cflag |= CSTOPB;
+
     speed = translate_speed(inspeed);
     if (speed) {
        cfsetospeed (&tios, speed);
@@ -1658,6 +1666,8 @@ int cifdefaultroute (int unit, u_int32_t ouraddr, u_int32_t gateway)
     SET_SA_FAMILY (rt.rt_dst,     AF_INET);
     SET_SA_FAMILY (rt.rt_gateway, AF_INET);
 
+    rt.rt_dev = ifname;
+
     if (kernel_version > KVERSION(2,1,0)) {
        SET_SA_FAMILY (rt.rt_genmask, AF_INET);
        SIN_ADDR(rt.rt_genmask) = 0L;
@@ -2016,7 +2026,7 @@ ppp_registered(void)
 
 int ppp_available(void)
 {
-    int s, ok, fd, err;
+    int s, ok, fd;
     struct ifreq ifr;
     int    size;
     int    my_version, my_modification, my_patch;
@@ -2039,7 +2049,6 @@ int ppp_available(void)
        close(fd);
        return 1;
     }
-    err = errno;
 
     if (kernel_version >= KVERSION(2,3,13)) {
        error("Couldn't open the /dev/ppp device: %m");
@@ -2146,6 +2155,7 @@ int ppp_available(void)
     return ok;
 }
 
+#ifndef HAVE_LOGWTMP
 /********************************************************************
  *
  * Update the wtmp file with the appropriate user name and tty device.
@@ -2219,7 +2229,7 @@ void logwtmp (const char *line, const char *name, const char *host)
     }
 #endif
 }
-
+#endif /* HAVE_LOGWTMP */
 
 /********************************************************************
  *
@@ -2231,9 +2241,10 @@ int sifvjcomp (int u, int vjcomp, int cidcomp, int maxcid)
        u_int x;
 
        if (vjcomp) {
-               if (ioctl(ppp_dev_fd, PPPIOCSMAXCID, (caddr_t) &maxcid) < 0)
+               if (ioctl(ppp_dev_fd, PPPIOCSMAXCID, (caddr_t) &maxcid) < 0) {
                        error("Couldn't set up TCP header compression: %m");
-               vjcomp = 0;
+                       vjcomp = 0;
+               }
        }
 
        x = (vjcomp? SC_COMP_TCP: 0) | (cidcomp? 0: SC_NO_TCP_CCID);
@@ -2249,25 +2260,12 @@ int sifvjcomp (int u, int vjcomp, int cidcomp, int maxcid)
 
 int sifup(int u)
 {
-    struct ifreq ifr;
-
-    memset (&ifr, '\0', sizeof (ifr));
-    strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
-    if (ioctl(sock_fd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
-       if (! ok_error (errno))
-           error("ioctl (SIOCGIFFLAGS): %m (line %d)", __LINE__);
-       return 0;
-    }
+    int ret;
 
-    ifr.ifr_flags |= (IFF_UP | IFF_POINTOPOINT);
-    if (ioctl(sock_fd, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
-       if (! ok_error (errno))
-           error("ioctl(SIOCSIFFLAGS): %m (line %d)", __LINE__);
-       return 0;
-    }
-    if_is_up++;
+    if ((ret = setifstate(u, 1)))
+       if_is_up++;
 
-    return 1;
+    return ret;
 }
 
 /********************************************************************
@@ -2278,11 +2276,59 @@ int sifup(int u)
 
 int sifdown (int u)
 {
-    struct ifreq ifr;
-
     if (if_is_up && --if_is_up > 0)
        return 1;
 
+#ifdef INET6
+    if (if6_is_up)
+       return 1;
+#endif /* INET6 */
+
+    return setifstate(u, 0);
+}
+
+#ifdef INET6
+/********************************************************************
+ *
+ * sif6up - Config the interface up for IPv6
+ */
+
+int sif6up(int u)
+{
+    int ret;
+
+    if ((ret = setifstate(u, 1)))
+       if6_is_up = 1;
+
+    return ret;
+}
+
+/********************************************************************
+ *
+ * sif6down - Disable the IPv6CP protocol and config the interface
+ *           down if there are no remaining protocols.
+ */
+
+int sif6down (int u)
+{
+    if6_is_up = 0;
+
+    if (if_is_up)
+       return 1;
+
+    return setifstate(u, 0);
+}
+#endif /* INET6 */
+
+/********************************************************************
+ *
+ * setifstate - Config the interface up or down
+ */
+
+static int setifstate (int u, int state)
+{
+    struct ifreq ifr;
+
     memset (&ifr, '\0', sizeof (ifr));
     strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
     if (ioctl(sock_fd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
@@ -2291,7 +2337,10 @@ int sifdown (int u)
        return 0;
     }
 
-    ifr.ifr_flags &= ~IFF_UP;
+    if (state)
+       ifr.ifr_flags |= IFF_UP;
+    else
+       ifr.ifr_flags &= ~IFF_UP;
     ifr.ifr_flags |= IFF_POINTOPOINT;
     if (ioctl(sock_fd, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
        if (! ok_error (errno))
@@ -2876,7 +2925,7 @@ ether_to_eui64(eui64_t *p_eui64)
     /*
      * And convert the EUI-48 into EUI-64, per RFC 2472 [sec 4.1]
      */
-    ptr = ifr.ifr_hwaddr.sa_data;
+    ptr = (unsigned char *) ifr.ifr_hwaddr.sa_data;
     p_eui64->e8[0] = ptr[0] | 0x02;
     p_eui64->e8[1] = ptr[1];
     p_eui64->e8[2] = ptr[2];