fixes to make it work under Ultrix

[ppp.git] / pppd / sys-sunos4.c

diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c
index 305b6b4b49f9e5d72db4bd37b5313f0176333305..2097c8afa5a3eca0f6804bf1bd5d731cd19b3538 100644 (file)
--- a/pppd/sys-sunos4.c
+++ b/pppd/sys-sunos4.c
@@ -26,7 +26,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-sunos4.c,v 1.3 1996/01/01 23:06:37 paulus Exp $";
+static char rcsid[] = "$Id: sys-sunos4.c,v 1.5 1996/05/27 00:00:56 paulus Exp $";
 #endif
 
 #include <stdio.h>
@@ -84,6 +84,7 @@ static int    tty_nmodules;
 static char    tty_modules[NMODULES][FMNAMESZ+1];
 
 static int     if_is_up;       /* Interface has been marked up */
+static u_int32_t ifaddrs[2];   /* local and remote addresses */
 static u_int32_t default_route_gateway;        /* Gateway for default route added */
 static u_int32_t proxy_arp_addr;       /* Addr for proxy arp entry added */
 
@@ -102,11 +103,6 @@ sys_init()
 {
     int x;
 
-    openlog("pppd", LOG_PID | LOG_NDELAY, LOG_PPP);
-    setlogmask(LOG_UPTO(LOG_INFO));
-    if (debug)
-       setlogmask(LOG_UPTO(LOG_DEBUG));
-
     /* Get an internet socket for doing socket ioctl's on. */
     if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
        syslog(LOG_ERR, "Couldn't create IP socket: %m");
@@ -178,13 +174,15 @@ sys_init()
 /*
  * sys_cleanup - restore any system state we modified before exiting:
  * mark the interface down, delete default route and/or proxy arp entry.
- * This should call die() because it's called from die().
+ * This shouldn't call die() because it's called from die().
  */
 void
 sys_cleanup()
 {
     if (if_is_up)
        sifdown(0);
+    if (ifaddrs[0])
+       cifaddr(0, ifaddrs[0], ifaddrs[1]);
     if (default_route_gateway)
        cifdefaultroute(0, default_route_gateway);
     if (proxy_arp_addr)
@@ -200,7 +198,6 @@ sys_close()
     close(iffd);
     close(pppfd);
     close(sockfd);
-    closelog();
 }
 
 /*
@@ -236,19 +233,6 @@ daemon(nochdir, noclose)
     return 0;
 }
 
-/*
- * note_debug_level - note a change in the debug level.
- */
-void
-note_debug_level()
-{
-    if (debug) {
-       setlogmask(LOG_UPTO(LOG_DEBUG));
-    } else {
-       setlogmask(LOG_UPTO(LOG_WARNING));
-    }
-}
-
 /*
  * ppp_available - check whether the system has any ppp interfaces
  */
@@ -660,6 +644,7 @@ wait_input(timo)
  * loopback, for the length of time specified by *timo (indefinite
  * if timo is NULL).
  */
+void
 wait_loop_output(timo)
     struct timeval *timo;
 {
@@ -670,6 +655,7 @@ wait_loop_output(timo)
  * wait_time - wait for a given length of time or until a
  * signal is received.
  */
+void
 wait_time(timo)
     struct timeval *timo;
 {
@@ -984,6 +970,11 @@ sifaddr(u, o, h, m)
     memset(&ifr, 0, sizeof(ifr));
     strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
     ifr.ifr_addr.sa_family = AF_INET;
+    INET_ADDR(ifr.ifr_addr) = m;
+    if (ioctl(sockfd, SIOCSIFNETMASK, &ifr) < 0) {
+       syslog(LOG_ERR, "Couldn't set IP netmask: %m");
+    }
+    ifr.ifr_addr.sa_family = AF_INET;
     INET_ADDR(ifr.ifr_addr) = o;
     if (ioctl(sockfd, SIOCSIFADDR, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't set local IP address: %m");
@@ -993,15 +984,12 @@ sifaddr(u, o, h, m)
     if (ioctl(sockfd, SIOCSIFDSTADDR, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't set remote IP address: %m");
     }
-    ifr.ifr_addr.sa_family = AF_INET;
-    INET_ADDR(ifr.ifr_addr) = m;
-    if (ioctl(sockfd, SIOCSIFNETMASK, &ifr) < 0) {
-       syslog(LOG_ERR, "Couldn't set IP netmask: %m");
-    }
     ifr.ifr_metric = link_mtu;
     if (ioctl(sockfd, SIOCSIFMTU, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't set IP MTU: %m");
     }
+    ifaddrs[0] = o;
+    ifaddrs[1] = h;
 
     return 1;
 }
@@ -1017,12 +1005,15 @@ cifaddr(u, o, h)
 {
     struct rtentry rt;
 
+    bzero(&rt, sizeof(rt));
     rt.rt_dst.sa_family = AF_INET;
     INET_ADDR(rt.rt_dst) = h;
     rt.rt_gateway.sa_family = AF_INET;
     INET_ADDR(rt.rt_gateway) = o;
     rt.rt_flags = RTF_HOST;
-    ioctl(sockfd, SIOCDELRT, &rt);
+    if (ioctl(sockfd, SIOCDELRT, &rt) < 0)
+       syslog(LOG_ERR, "Couldn't delete route through interface: %m");
+    ifaddrs[0] = 0;
     return 1;
 }
 
@@ -1036,6 +1027,7 @@ sifdefaultroute(u, g)
 {
     struct rtentry rt;
 
+    bzero(&rt, sizeof(rt));
     rt.rt_dst.sa_family = AF_INET;
     INET_ADDR(rt.rt_dst) = 0;
     rt.rt_gateway.sa_family = AF_INET;
@@ -1061,6 +1053,7 @@ cifdefaultroute(u, g)
 {
     struct rtentry rt;
 
+    bzero(&rt, sizeof(rt));
     rt.rt_dst.sa_family = AF_INET;
     INET_ADDR(rt.rt_dst) = 0;
     rt.rt_gateway.sa_family = AF_INET;
@@ -1431,3 +1424,21 @@ strtoul(str, ptr, base)
 {
     return (unsigned long) strtol(str, ptr, base);
 }
+
+/*
+ * Or strerror :-(
+ */
+extern char *sys_errlist[];
+extern int sys_nerr;
+
+char *
+strerror(n)
+    int n;
+{
+    static char unknown[32];
+
+    if (n > 0 && n < sys_nerr)
+       return sys_errlist[n];
+    sprintf(unknown, "Error %d", n);
+    return unknown;
+}