mod for Ultrix

[ppp.git] / pppd / sys-svr4.c

diff --git a/pppd/sys-svr4.c b/pppd/sys-svr4.c
index cccfeaa1972902e33c967c243ef9285ae26ca76a..f43427ed94585258c4ef5df5b0d3681bbfda16f0 100644 (file)
--- a/pppd/sys-svr4.c
+++ b/pppd/sys-svr4.c
@@ -26,14 +26,18 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-svr4.c,v 1.9 1996/01/01 23:06:39 paulus Exp $";
+static char rcsid[] = "$Id: sys-svr4.c,v 1.13 1996/09/14 05:18:24 paulus Exp $";
 #endif
 
 #include <limits.h>
 #include <stdio.h>
 #include <stddef.h>
 #include <stdlib.h>
+#ifdef SNI
+extern void *alloca(size_t);
+#else
 #include <alloca.h>
+#endif
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -100,6 +104,7 @@ static int dlpi_info_req __P((int));
 static int dlpi_get_reply __P((int, union DL_primitives *, int, int));
 static int strioctl __P((int, int, void *, int, int));
 
+
 /*
  * sys_init - System-dependent initialization.
  */
@@ -115,11 +120,6 @@ sys_init()
     } reply;
 #endif
 
-    openlog("pppd", LOG_PID | LOG_NDELAY, LOG_PPP);
-    setlogmask(LOG_UPTO(LOG_INFO));
-    if (debug)
-       setlogmask(LOG_UPTO(LOG_DEBUG));
-
     ipfd = open("/dev/ip", O_RDWR, 0);
     if (ipfd < 0) {
        syslog(LOG_ERR, "Couldn't open IP device: %m");
@@ -134,7 +134,7 @@ sys_init()
        syslog(LOG_ERR, "Can't open /dev/ppp: %m");
        die(1);
     }
-    if (kdebugflag) {
+    if (kdebugflag & 1) {
        x = PPPDBG_LOG + PPPDBG_DRIVER;
        strioctl(pppfd, PPPIO_DEBUG, &x, sizeof(int), 0);
     }
@@ -155,7 +155,7 @@ sys_init()
        syslog(LOG_ERR, "Can't open /dev/ppp (2): %m");
        die(1);
     }
-    if (kdebugflag) {
+    if (kdebugflag & 1) {
        x = PPPDBG_LOG + PPPDBG_DRIVER;
        strioctl(ifd, PPPIO_DEBUG, &x, sizeof(int), 0);
     }
@@ -218,7 +218,6 @@ sys_close()
     close(ipfd);
     if (pppfd >= 0)
        close(pppfd);
-    closelog();
 }
 
 /*
@@ -254,19 +253,6 @@ 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
  */
@@ -299,10 +285,18 @@ establish_ppp(fd)
        syslog(LOG_ERR, "Couldn't push PPP Async HDLC module: %m");
        die(1);
     }
+    if (kdebugflag & 4) {
+       i = PPPDBG_LOG + PPPDBG_AHDLC;
+       strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
+    }
     if (ioctl(fd, I_PUSH, "ppp_comp") < 0) {
        syslog(LOG_ERR, "Couldn't push PPP compression module: %m");
 /*     die(1); */
     }
+    if (kdebugflag & 2) {
+       i = PPPDBG_LOG + PPPDBG_COMP;
+       strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
+    }
 
     /* Link the serial port under the PPP multiplexor. */
     if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0) {
@@ -711,6 +705,7 @@ 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;
 {
@@ -721,6 +716,7 @@ 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;
 {
@@ -809,13 +805,16 @@ ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
            return;
        syslog(LOG_ERR, "Couldn't set MTU: %m");
     }
-    if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
-       syslog(LOG_ERR, "Couldn't set transmit ACCM: %m");
-    }
-    cf[0] = (pcomp? COMP_PROT: 0) + (accomp? COMP_AC: 0);
-    cf[1] = COMP_PROT | COMP_AC;
-    if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
-       syslog(LOG_ERR, "Couldn't set prot/AC compression: %m");
+    if (fdmuxid >= 0) {
+       /* can't set these if we don't have a stream attached below /dev/ppp */
+       if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
+           syslog(LOG_ERR, "Couldn't set transmit ACCM: %m");
+       }
+       cf[0] = (pcomp? COMP_PROT: 0) + (accomp? COMP_AC: 0);
+       cf[1] = COMP_PROT | COMP_AC;
+       if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
+           syslog(LOG_ERR, "Couldn't set prot/AC compression: %m");
+       }
     }
 }
 
@@ -827,7 +826,8 @@ ppp_set_xaccm(unit, accm)
     int unit;
     ext_accm accm;
 {
-    if (strioctl(pppfd, PPPIO_XACCM, accm, sizeof(ext_accm), 0) < 0) {
+    if (fdmuxid >= 0
+       && strioctl(pppfd, PPPIO_XACCM, accm, sizeof(ext_accm), 0) < 0) {
        if (!hungup || errno != ENXIO)
            syslog(LOG_WARNING, "Couldn't set extended ACCM: %m");
     }
@@ -851,13 +851,16 @@ ppp_recv_config(unit, mru, asyncmap, pcomp, accomp)
            return;
        syslog(LOG_ERR, "Couldn't set MRU: %m");
     }
-    if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
-       syslog(LOG_ERR, "Couldn't set receive ACCM: %m");
-    }
-    cf[0] = (pcomp? DECOMP_PROT: 0) + (accomp? DECOMP_AC: 0);
-    cf[1] = DECOMP_PROT | DECOMP_AC;
-    if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
-       syslog(LOG_ERR, "Couldn't set prot/AC decompression: %m");
+    if (fdmuxid >= 0) {
+       /* can't set these if we don't have a stream attached below /dev/ppp */
+       if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
+           syslog(LOG_ERR, "Couldn't set receive ACCM: %m");
+       }
+       cf[0] = (pcomp? DECOMP_PROT: 0) + (accomp? DECOMP_AC: 0);
+       cf[1] = DECOMP_PROT | DECOMP_AC;
+       if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
+           syslog(LOG_ERR, "Couldn't set prot/AC decompression: %m");
+       }
     }
 }
 
@@ -904,6 +907,33 @@ get_idle_time(u, ip)
     return strioctl(pppfd, PPPIO_GIDLE, ip, 0, sizeof(struct ppp_idle)) >= 0;
 }
 
+#if 0
+/*
+ * set_filters - transfer the pass and active filters to the kernel.
+ */
+int
+set_filters(pass, active)
+    struct bpf_program *pass, *active;
+{
+    int ret = 1;
+
+    if (pass->bf_len > 0) {
+       if (strioctl(pppfd, PPPIO_PASSFILT, pass,
+                    sizeof(struct bpf_program), 0) < 0) {
+           syslog(LOG_ERR, "Couldn't set pass-filter in kernel: %m");
+           ret = 0;
+       }
+    }
+    if (active->bf_len > 0) {
+       if (strioctl(pppfd, PPPIO_ACTIVEFILT, active,
+                    sizeof(struct bpf_program), 0) < 0) {
+           syslog(LOG_ERR, "Couldn't set active-filter in kernel: %m");
+           ret = 0;
+       }
+    }
+    return ret;
+}
+#endif
 
 /*
  * ccp_fatal_error - returns 1 if decompression was disabled as a
@@ -1037,6 +1067,11 @@ 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(ipfd, 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(ipfd, SIOCSIFADDR, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't set local IP address: %m");
@@ -1046,11 +1081,6 @@ sifaddr(u, o, h, m)
     if (ioctl(ipfd, 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(ipfd, SIOCSIFNETMASK, &ifr) < 0) {
-       syslog(LOG_ERR, "Couldn't set IP netmask: %m");
-    }
     ifr.ifr_metric = link_mtu;
     if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't set IP MTU: %m");
@@ -1090,6 +1120,7 @@ sifdefaultroute(u, g)
 {
     struct rtentry rt;
 
+    memset(&rt, 0, sizeof(rt));
     rt.rt_dst.sa_family = AF_INET;
     INET_ADDR(rt.rt_dst) = 0;
     rt.rt_gateway.sa_family = AF_INET;
@@ -1115,6 +1146,7 @@ cifdefaultroute(u, g)
 {
     struct rtentry rt;
 
+    memset(&rt, 0, sizeof(rt));
     rt.rt_dst.sa_family = AF_INET;
     INET_ADDR(rt.rt_dst) = 0;
     rt.rt_gateway.sa_family = AF_INET;