X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fsys-linux.c;h=b675c9765718c26ef9d547ac9d1f5f4cb9dca0ae;hb=2b6310fd24dba8e0fca8999916a162f0a1842a84;hp=aba33d3b413e2a65d8839e82317bb5c065bbbc19;hpb=a762f529e9e62b382f66a8aedfc1c52cd6ff90d0;p=ppp.git

diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c
index aba33d3..b675c97 100644
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
@@ -1658,6 +1658,8 @@ 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;
@@ -2016,20 +2018,12 @@ ppp_registered(void)
 
 int ppp_available(void)
 {
-    int s, ok, fd;
+    int s, ok, fd, err;
     struct ifreq ifr;
     int    size;
     int    my_version, my_modification, my_patch;
     int osmaj, osmin, ospatch;
 
-    no_ppp_msg =
-	"This system lacks kernel support for PPP.  This could be because\n"
-	"the PPP kernel module could not be loaded, or because PPP was not\n"
-	"included in the kernel configuration.  If PPP was included as a\n"
-	"module, try `/sbin/modprobe -v ppp'.  If that fails, check that\n"
-	"ppp.o exists in /lib/modules/`uname -r`/net.\n"
-	"See README.linux file in the ppp distribution for more details.\n";
-
     /* get the kernel version now, since we are called before sys_init */
     uname(&utsname);
     osmaj = osmin = ospatch = 0;
@@ -2037,21 +2031,6 @@ int ppp_available(void)
     kernel_version = KVERSION(osmaj, osmin, ospatch);
 
     fd = open("/dev/ppp", O_RDWR);
-#if 0
-    if (fd < 0 && errno == ENOENT) {
-	/* try making it and see if that helps. */
-	if (mknod("/dev/ppp", S_IFCHR | S_IRUSR | S_IWUSR,
-		  makedev(108, 0)) >= 0) {
-	    fd = open("/dev/ppp", O_RDWR);
-	    if (fd >= 0)
-		info("Created /dev/ppp device node");
-	    else
-		unlink("/dev/ppp");	/* didn't work, undo the mknod */
-	} else if (errno == EEXIST) {
-	    fd = open("/dev/ppp", O_RDWR);
-	}
-    }
-#endif /* 0 */
     if (fd >= 0) {
 	new_style_driver = 1;
 
@@ -2062,16 +2041,30 @@ 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");
 	if (errno == ENOENT)
 	    no_ppp_msg =
-		"pppd is unable to open the /dev/ppp device.\n"
 		"You need to create the /dev/ppp device node by\n"
 		"executing the following command as root:\n"
 		"	mknod /dev/ppp c 108 0\n";
+	else if (errno == ENODEV || errno == ENXIO)
+	    no_ppp_msg =
+		"Please load the ppp_generic kernel module.\n";
 	return 0;
     }
 
+    /* we are running on a really really old kernel */
+    no_ppp_msg =
+	"This system lacks kernel support for PPP.  This could be because\n"
+	"the PPP kernel module could not be loaded, or because PPP was not\n"
+	"included in the kernel configuration.  If PPP was included as a\n"
+	"module, try `/sbin/modprobe -v ppp'.  If that fails, check that\n"
+	"ppp.o exists in /lib/modules/`uname -r`/net.\n"
+	"See README.linux file in the ppp distribution for more details.\n";
+
 /*
  * Open a socket for doing the ioctl operations.
  */
@@ -2346,11 +2339,13 @@ int sifaddr (int unit, u_int32_t our_adr, u_int32_t his_adr,
 /*
  *  Set the gateway address
  */
-    SIN_ADDR(ifr.ifr_dstaddr) = his_adr;
-    if (ioctl(sock_fd, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) {
-	if (! ok_error (errno))
-	    error("ioctl(SIOCSIFDSTADDR): %m (line %d)", __LINE__);
-	return (0);
+    if (his_adr != 0) {
+	SIN_ADDR(ifr.ifr_dstaddr) = his_adr;
+	if (ioctl(sock_fd, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) {
+	    if (! ok_error (errno))
+		error("ioctl(SIOCSIFDSTADDR): %m (line %d)", __LINE__);
+	    return (0);
+	}
     }
 /*
  *  Set the netmask.