mods to do compression/decompression at splnet

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

diff --git a/pppd/sys-str.c b/pppd/sys-str.c
index e34d54779c6c5e361334e2b75251534e59bb1996..04a8816a8d0a95695cba86d206f127f3697b486a 100644 (file)
--- a/pppd/sys-str.c
+++ b/pppd/sys-str.c
@@ -18,6 +18,10 @@
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+#ifndef lint
+static char rcsid[] = "$Id: sys-str.c,v 1.14 1994/09/21 06:47:37 paulus Exp $";
+#endif
+
 /*
  * TODO:
  */
@@ -39,13 +43,13 @@
 #include <sys/stropts.h>
 
 #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>
 
 #include "pppd.h"
-#include "ppp.h"
-#include <net/ppp_str.h>
 
 #ifndef ifr_mtu
 #define ifr_mtu                ifr_metric
@@ -383,9 +387,11 @@ set_up_tty(fd, local)
     if (!restore_term)
        inittermios = tios;
 
-    tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL | CRTSCTS);
-    if (crtscts == 1)
+    tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL);
+    if (crtscts > 0)
        tios.c_cflag |= CRTSCTS;
+    else if (crtscts < 0)
+       tios.c_cflag &= ~CRTSCTS;
 
     tios.c_cflag |= CS8 | CREAD | HUPCL;
     if (local || !modem)
@@ -510,7 +516,7 @@ read_packet(buf)
     int len, i;
     unsigned char ctlbuf[16];
 
-    str.maxlen = MTU+DLLHEADERLEN;
+    str.maxlen = PPP_MTU + PPP_HDRLEN;
     str.buf = (caddr_t) buf;
     ctl.maxlen = sizeof(ctlbuf);
     ctl.buf = (caddr_t) ctlbuf;
@@ -545,7 +551,7 @@ read_packet(buf)
 void
 ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
     int unit, mtu;
-    uint32 asyncmap;
+    u_int32_t asyncmap;
     int pcomp, accomp;
 {
     char c;
@@ -597,7 +603,7 @@ ppp_set_xaccm(unit, accm)
 void
 ppp_recv_config(unit, mru, asyncmap, pcomp, accomp)
     int unit, mru;
-    uint32 asyncmap;
+    u_int32_t asyncmap;
     int pcomp, accomp;
 {
     char c;
@@ -653,6 +659,24 @@ ccp_flags_set(unit, isopen, isup)
        syslog(LOG_ERR, "ioctl (SIOCSIFCOMP): %m");
 }
 
+/*
+ * ccp_fatal_error - returns 1 if decompression was disabled as a
+ * result of an error detected after decompression of a packet,
+ * 0 otherwise.  This is necessary because of patent nonsense.
+ */
+int
+ccp_fatal_error(unit)
+    int unit;
+{
+    int x;
+
+    if (ioctl(fd, SIOCGIFCOMP, (caddr_t) &x) < 0) {
+       syslog(LOG_ERR, "ioctl(SIOCGIFCOMP): %m");
+       return 0;
+    }
+    return x & CCP_FATALERROR;
+}
+
 /*
  * sifvjcomp - config tcp header compression
  */
@@ -726,7 +750,7 @@ sifdown(u)
 int
 sifaddr(u, o, h, m)
     int u;
-    uint32 o, h, m;
+    u_int32_t o, h, m;
 {
     int ret;
     struct ifreq ifr;
@@ -762,7 +786,7 @@ sifaddr(u, o, h, m)
 int
 cifaddr(u, o, h)
     int u;
-    uint32 o, h;
+    u_int32_t o, h;
 {
     struct rtentry rt;
 
@@ -784,7 +808,7 @@ cifaddr(u, o, h)
 int
 sifdefaultroute(u, g)
     int u;
-    uint32 g;
+    u_int32_t g;
 {
     struct rtentry rt;
 
@@ -805,7 +829,7 @@ sifdefaultroute(u, g)
 int
 cifdefaultroute(u, g)
     int u;
-    uint32 g;
+    u_int32_t g;
 {
     struct rtentry rt;
 
@@ -826,7 +850,7 @@ cifdefaultroute(u, g)
 int
 sifproxyarp(unit, hisaddr)
     int unit;
-    uint32 hisaddr;
+    u_int32_t hisaddr;
 {
     struct arpreq arpreq;
 
@@ -858,7 +882,7 @@ sifproxyarp(unit, hisaddr)
 int
 cifproxyarp(unit, hisaddr)
     int unit;
-    uint32 hisaddr;
+    u_int32_t hisaddr;
 {
     struct arpreq arpreq;
 
@@ -929,7 +953,7 @@ static void kread();
 
 int
 get_ether_addr(ipaddr, hwaddr)
-    uint32 ipaddr;
+    u_int32_t ipaddr;
     struct sockaddr *hwaddr;
 {
     register kvm_t *kd;
@@ -945,7 +969,7 @@ get_ether_addr(ipaddr, hwaddr)
        struct in_ifaddr in;
     } ifaddr;
 #endif
-    uint32 addr, mask;
+    u_int32_t addr, mask;
 
     /* Open kernel memory for reading */
     kd = kvm_open(0, 0, 0, O_RDONLY, NULL);
@@ -972,7 +996,7 @@ get_ether_addr(ipaddr, hwaddr)
        syslog(LOG_ERR, "error reading ifnet addr");
        return 0;
     }
-    for ( ; addr; addr = (uint32)ifp->if_next) {
+    for ( ; addr; addr = (u_int32_t)ifp->if_next) {
        if (kvm_read(kd, addr, (char *)ac, sizeof(*ac)) != sizeof(*ac)) {
            syslog(LOG_ERR, "error reading ifnet");
            return 0;
@@ -989,7 +1013,7 @@ get_ether_addr(ipaddr, hwaddr)
 
        /* Get interface ip address */
 #ifdef SUNOS4
-       if (kvm_read(kd, (uint32)ifp->if_addrlist, (char *)&ifaddr,
+       if (kvm_read(kd, (u_int32_t)ifp->if_addrlist, (char *)&ifaddr,
                     sizeof(ifaddr)) != sizeof(ifaddr)) {
            syslog(LOG_ERR, "error reading ifaddr");
            return 0;