don't die on EIO on setting asyncmap

[ppp.git] / pppd / sys-aix4.c

diff --git a/pppd/sys-aix4.c b/pppd/sys-aix4.c
index 46fad402d7ffd7f23528cacdb42e6d218dd34ca3..9fcd1015d992cc7697e11f58eef450f210e1e378 100644 (file)
--- a/pppd/sys-aix4.c
+++ b/pppd/sys-aix4.c
@@ -21,7 +21,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-aix4.c,v 1.9 1996/04/04 04:04:51 paulus Exp $";
+static char rcsid[] = "$Id: sys-aix4.c,v 1.15 1999/03/12 06:07:21 paulus Exp $";
 #endif
 
 /*
@@ -49,7 +49,6 @@ static char rcsid[] = "$Id: sys-aix4.c,v 1.9 1996/04/04 04:04:51 paulus Exp $";
 
 #include <net/if.h>
 #include <net/ppp_defs.h>
-#include <net/ppp_str.h>
 #include <net/route.h>
 #include <net/if_arp.h>
 #include <netinet/in.h>
@@ -91,11 +90,6 @@ static int get_ether_addr __P((u_int32_t, struct sockaddr *));
 void
 sys_init()
 {
-    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");
@@ -114,7 +108,7 @@ sys_cleanup()
     struct ifreq ifr;
 
     if (if_is_up) {
-       strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+       strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
        if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) >= 0
            && ((ifr.ifr_flags & IFF_UP) != 0)) {
            ifr.ifr_flags &= ~IFF_UP;
@@ -124,25 +118,23 @@ sys_cleanup()
     if (ifaddrs[0])
        cifaddr(0, ifaddrs[0], ifaddrs[1]);
     if (default_route_gateway)
-       cifdefaultroute(0, default_route_gateway);
+       cifdefaultroute(0, 0, default_route_gateway);
     if (proxy_arp_addr)
        cifproxyarp(0, proxy_arp_addr);
 }
 
 /*
- * note_debug_level - note a change in the debug level.
+ * have_route_to - determine if the system has any route to
+ * a given IP address.
+ * For demand mode to work properly, we have to ignore routes
+ * through our own interface.
  */
-void
-note_debug_level()
+int have_route_to(u_int32_t addr)
 {
-    if (debug) {
-       syslog(LOG_INFO, "Debug turned ON, Level %d", debug);
-       setlogmask(LOG_UPTO(LOG_DEBUG));
-    } else {
-       setlogmask(LOG_UPTO(LOG_WARNING));
-    }
+    return -1;
 }
 
+
 /*
  * daemon - Detach us from the terminal session.
  */
@@ -564,7 +556,7 @@ output(unit, p, len)
     struct pollfd pfd;
 
     if (debug)
-       log_packet(p, len, "sent ");
+       log_packet(p, len, "sent ", LOG_DEBUG);
 
     str.len = len;
     str.buf = (caddr_t) p;
@@ -652,7 +644,7 @@ ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
     int c;
     struct ifreq ifr;
 
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
     ifr.ifr_mtu = mtu;
     if (ioctl(sockfd, SIOCSIFMTU, (caddr_t) &ifr) < 0) {
        syslog(LOG_ERR, "ioctl(SIOCSIFMTU): %m");
@@ -800,9 +792,8 @@ sifup(u)
     int u;
 {
     struct ifreq ifr;
-    struct npioctl npi;
 
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
     if (ioctl(sockfd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
        syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
        return 0;
@@ -812,16 +803,28 @@ sifup(u)
        syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
        return 0;
     }
+
     if_is_up = 1;
-    npi.protocol = PPP_IP;
-    npi.mode = NPMODE_PASS;
-    if (ioctl(ttyfd, SIOCSETNPMODE, &npi) < 0) {
-        if (errno != ENOTTY) {
-            syslog(LOG_ERR, "ioctl(SIOCSETNPMODE): %m");
-            return 0;
-        }
-    }
+    return 1;
+}
+
+/*
+ * sifnpmode - Set the mode for handling packets for a given NP.
+ */
+int
+sifnpmode(u, proto, mode)
+    int u;
+    int proto;
+    enum NPmode mode;
+{
+    struct npioctl npi;
 
+    npi.protocol = proto;
+    npi.mode = mode;
+    if (ioctl(ppp_fd, PPPIOCSNPMODE, &npi) < 0) {
+       syslog(LOG_ERR, "ioctl(set NP %d mode to %d): %m", proto, mode);
+       return 0;
+    }
     return 1;
 }
 
@@ -839,14 +842,10 @@ sifdown(u)
     rv = 1;
     npi.protocol = PPP_IP;
     npi.mode = NPMODE_ERROR;
-    if (ioctl(ttyfd, SIOCSETNPMODE, &npi) < 0) {
-        if (errno != ENOTTY) {
-            syslog(LOG_ERR, "ioctl(SIOCSETNPMODE): %m");
-            rv = 0;
-        }
-    }
+    ioctl(ttyfd, SIOCSETNPMODE, &npi);
+    /* ignore errors, because ttyfd might have been closed by now. */
 
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
     if (ioctl(sockfd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
         syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
         rv = 0;
@@ -880,7 +879,7 @@ sifaddr(u, o, h, m)
     struct ifreq ifr;
 
     ret = 1;
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
     SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
     if (m != 0) {
         syslog(LOG_INFO, "Setting interface mask to %s\n", ip_ntoa(m));
@@ -945,9 +944,9 @@ cifaddr(u, o, h)
  * sifdefaultroute - assign a default route through the address given.
  */
 int
-sifdefaultroute(u, g)
+sifdefaultroute(u, l, g)
     int u;
-    u_int32_t g;
+    u_int32_t l, g;
 {
     struct ortentry rt;
 
@@ -968,9 +967,9 @@ sifdefaultroute(u, g)
  * cifdefaultroute - delete a default route through the address given.
  */
 int
-cifdefaultroute(u, g)
+cifdefaultroute(u, l, g)
     int u;
-    u_int32_t g;
+    u_int32_t l, g;
 {
     struct ortentry rt;
 
@@ -1248,7 +1247,7 @@ GetMask(addr)
        /*
         * Check that the interface is up, and not point-to-point or loopback.
         */
-       strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
+       strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
        if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
            continue;
        if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
@@ -1267,9 +1266,9 @@ GetMask(addr)
 
 #define        WTMPFILE        "/var/adm/wtmp"
 
-int
+void
 logwtmp(line, name, host)
-    char *line, *name, *host;
+    const char *line, *name, *host;
 {
     int fd;
     struct stat buf;
@@ -1278,9 +1277,9 @@ logwtmp(line, name, host)
     if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
        return;
     if (!fstat(fd, &buf)) {
-       (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
-       (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
-       (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
+       strlcpy(ut.ut_line, sizeof(ut.ut_line), line);
+       strlcpy(ut.ut_name, sizeof(ut.ut_name), name);
+       strlcpy(ut.ut_host, sizeof(ut.ut_host), host);
        (void)time(&ut.ut_time);
        if (write(fd, (char *)&ut, sizeof(struct utmp)) != sizeof(struct utmp))
            (void)ftruncate(fd, buf.st_size);
@@ -1288,6 +1287,15 @@ logwtmp(line, name, host)
     close(fd);
 }
 
+/*
+ * Use the hostid as part of the random number seed.
+ */
+int
+get_host_seed()
+{
+    return gethostid();
+}
+
 /*
  * Code for locking/unlocking the serial device.
  */