add support for CDTRCTS flow control

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

diff --git a/pppd/sys-bsd.c b/pppd/sys-bsd.c
index 0aee267b6b652fcbefddbbfbaf71b2fd38b8dc30..88d22848272ab7461254e38348e16b513ad64f44 100644 (file)
--- a/pppd/sys-bsd.c
+++ b/pppd/sys-bsd.c
@@ -21,7 +21,8 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-bsd.c,v 1.28 1997/04/30 05:57:46 paulus Exp $";
+static char rcsid[] = "$Id: sys-bsd.c,v 1.33 1998/09/04 18:49:16 christos Exp $";
+/*     $NetBSD: sys-bsd.c,v 1.1.1.3 1997/09/26 18:53:04 christos Exp $ */
 #endif
 
 /*
@@ -58,7 +59,16 @@ static char rcsid[] = "$Id: sys-bsd.c,v 1.28 1997/04/30 05:57:46 paulus Exp $";
 #include <netinet/in.h>
 
 #if RTM_VERSION >= 3
+#include <sys/param.h>
+#if defined(NetBSD) && (NetBSD >= 199703)
+#include <netinet/if_inarp.h>
+#else  /* NetBSD 1.2D or later */
+#ifdef __FreeBSD__
 #include <netinet/if_ether.h>
+#else
+#include <net/if_ether.h>
+#endif
+#endif
 #endif
 
 #include "pppd.h"
@@ -375,10 +385,22 @@ set_up_tty(fd, local)
     }
 
     tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL);
-    if (crtscts > 0 && !local)
-       tios.c_cflag |= CRTSCTS;
-    else if (crtscts < 0)
+    if (crtscts > 0 && !local) {
+        if (crtscts == 2) {
+#ifdef CDTRCTS
+            tios.c_cflag |= CDTRCTS;
+#else
+           syslog(LOG_ERR, "System does not support DTR/CTS flow control");
+           die(1);
+#endif
+       } else
+           tios.c_cflag |= CRTSCTS;
+    } else if (crtscts < 0) {
        tios.c_cflag &= ~CRTSCTS;
+#ifdef CDTRCTS
+       tios.c_cflag &= ~CDTRCTS;
+#endif
+    }
 
     tios.c_cflag |= CS8 | CREAD | HUPCL;
     if (local || !modem)
@@ -946,6 +968,7 @@ sifaddr(u, o, h, m)
     u_int32_t o, h, m;
 {
     struct ifaliasreq ifra;
+    struct ifreq ifr;
 
     strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
     SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
@@ -957,6 +980,12 @@ sifaddr(u, o, h, m)
        ((struct sockaddr_in *) &ifra.ifra_mask)->sin_addr.s_addr = m;
     } else
        BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask));
+    BZERO(&ifr, sizeof(ifr));
+    strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+    if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifr) < 0) {
+       if (errno != EADDRNOTAVAIL)
+           syslog(LOG_WARNING, "Couldn't remove interface address: %m");
+    }
     if (ioctl(sockfd, SIOCAIFADDR, (caddr_t) &ifra) < 0) {
        if (errno != EEXIST) {
            syslog(LOG_ERR, "Couldn't set interface address: %m");
@@ -1043,7 +1072,7 @@ dodefaultroute(g, cmd)
 
     memset(&rtmsg, 0, sizeof(rtmsg));
     rtmsg.hdr.rtm_type = cmd == 's'? RTM_ADD: RTM_DELETE;
-    rtmsg.hdr.rtm_flags = RTF_UP | RTF_GATEWAY;
+    rtmsg.hdr.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
     rtmsg.hdr.rtm_version = RTM_VERSION;
     rtmsg.hdr.rtm_seq = ++rtm_seq;
     rtmsg.hdr.rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
@@ -1377,6 +1406,15 @@ GetMask(addr)
     return mask;
 }
 
+/*
+ * Use the hostid as part of the random number seed.
+ */
+int
+get_host_seed()
+{
+    return gethostid();
+}
+
 /*
  * lock - create a lock file for the named lock device
  */