* PPP interfaces on AIX systems which use the STREAMS ppp interface.
*
* Copyright (c) 1989 Carnegie Mellon University.
+ * Copyright (c) 1995 The Australian National University.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
+ * by Carnegie Mellon University and The Australian National University.
+ * The names of the Universities may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static char rcsid[] = "$Id: sys-aix4.c,v 1.4 1995/04/27 00:33:49 paulus Exp $";
-#endif
+#define RCSID "$Id: sys-aix4.c,v 1.22 1999/08/13 06:46:17 paulus Exp $"
/*
* TODO:
#include <stdlib.h>
*/
#include <errno.h>
-#include <syslog.h>
#include <termios.h>
#include <sys/termiox.h>
#include <fcntl.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"
+static const char rcsid[] = RCSID;
+
#ifndef ifr_mtu
#define ifr_mtu ifr_metric
#endif
static int restore_term; /* 1 => we've munged the terminal */
static struct termios inittermios; /* Initial TTY termios */
+static int initfdflags = -1; /* Initial file descriptor flags for fd */
+
+static int sockfd; /* socket for doing interface ioctls */
+
+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 */
+
+#define MAX_POLLFDS 32
+static struct pollfd pollfds[MAX_POLLFDS];
+static int n_pollfds;
+
+/* Prototypes for procedures local to this file. */
+static int translate_speed __P((int));
+static int baud_rate_of __P((int));
+static int get_ether_addr __P((u_int32_t, struct sockaddr *));
-int sockfd; /* socket for doing interface ioctls */
/*
* sys_init - System-dependent initialization.
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");
- die(1);
- }
+ if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+ fatal("Couldn't create IP socket: %m");
+
+ n_pollfds = 0;
}
/*
- * note_debug_level - note a change in the debug level.
+ * 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().
*/
void
-note_debug_level()
+sys_cleanup()
{
- if (debug) {
- syslog(LOG_INFO, "Debug turned ON, Level %d", debug);
- setlogmask(LOG_UPTO(LOG_DEBUG));
- } else {
- setlogmask(LOG_UPTO(LOG_WARNING));
+ struct ifreq ifr;
+
+ if (if_is_up) {
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) >= 0
+ && ((ifr.ifr_flags & IFF_UP) != 0)) {
+ ifr.ifr_flags &= ~IFF_UP;
+ ioctl(sockfd, SIOCSIFFLAGS, &ifr);
+ }
}
+ if (ifaddrs[0])
+ cifaddr(0, ifaddrs[0], ifaddrs[1]);
+ if (default_route_gateway)
+ cifdefaultroute(0, 0, default_route_gateway);
+ if (proxy_arp_addr)
+ cifproxyarp(0, proxy_arp_addr);
}
+/*
+ * 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.
+ */
+int have_route_to(u_int32_t addr)
+{
+ return -1;
+}
+
+#if 0
/*
* daemon - Detach us from the terminal session.
*/
}
return 0;
}
-
+#endif
/*
* ppp_available - check if this kernel supports PPP.
/*
* establish_ppp - Turn the serial port into a ppp interface.
*/
-void
-establish_ppp()
+int
+establish_ppp(fd)
+ int fd;
{
/* go through and save the name of all the modules, then pop em */
for (;;) {
if (ioctl(fd, I_LOOK, str_modules[str_module_count].modname) < 0 ||
ioctl(fd, I_POP, 0) < 0)
break;
- MAINDEBUG((LOG_DEBUG, "popped stream module : %s",
+ SYSDEBUG(("popped stream module : %s",
str_modules[str_module_count].modname));
str_module_count++;
}
/* now push the async/fcs module */
- if (ioctl(fd, I_PUSH, "pppasync") < 0) {
- syslog(LOG_ERR, "ioctl(I_PUSH, ppp_async): %m");
- die(1);
- }
+ if (ioctl(fd, I_PUSH, "pppasync") < 0)
+ fatal("ioctl(I_PUSH, ppp_async): %m");
/* push the compress module */
if (ioctl(fd, I_PUSH, "pppcomp") < 0) {
- syslog(LOG_WARNING, "ioctl(I_PUSH, ppp_comp): %m");
+ warn("ioctl(I_PUSH, ppp_comp): %m");
}
/* finally, push the ppp_if module that actually handles the */
/* network interface */
- if (ioctl(fd, I_PUSH, "pppif") < 0) {
- syslog(LOG_ERR, "ioctl(I_PUSH, ppp_if): %m");
- die(1);
- }
+ if (ioctl(fd, I_PUSH, "pppif") < 0)
+ fatal("ioctl(I_PUSH, ppp_if): %m");
pushed_ppp = 1;
/* read mode, message non-discard mode
- if (ioctl(fd, I_SRDOPT, RMSGN) < 0) {
- syslog(LOG_ERR, "ioctl(I_SRDOPT, RMSGN): %m");
- die(1);
- }
+ if (ioctl(fd, I_SRDOPT, RMSGN) < 0)
+ fatal("ioctl(I_SRDOPT, RMSGN): %m");
*/
/*
* Find out which interface we were given.
* (ppp_if handles this ioctl)
*/
- if (ioctl(fd, SIOCGETU, &ifunit) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCGETU): %m");
- die(1);
- }
+ if (ioctl(fd, SIOCGETU, &ifunit) < 0)
+ fatal("ioctl(SIOCGETU): %m");
/* Set debug flags in driver */
if (ioctl(fd, SIOCSIFDEBUG, kdebugflag) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFDEBUG): %m");
+ error("ioctl(SIOCSIFDEBUG): %m");
}
/* close stdin, stdout, stderr if they might refer to the device */
close(i);
closed_stdio = 1;
}
+
+ /*
+ * Set device for non-blocking reads.
+ */
+ if ((initfdflags = fcntl(fd, F_GETFL)) == -1
+ || fcntl(fd, F_SETFL, initfdflags | O_NONBLOCK) == -1) {
+ warn("Couldn't set device to non-blocking mode: %m");
+ }
+
+ return fd;
}
/*
* modules. This shouldn't call die() because it's called from die().
*/
void
-disestablish_ppp()
+disestablish_ppp(fd)
+ int fd;
{
int flags;
char *s;
+ /* Reset non-blocking mode on the file descriptor. */
+ if (initfdflags != -1 && fcntl(fd, F_SETFL, initfdflags) < 0)
+ warn("Couldn't restore device fd flags: %m");
+ initfdflags = -1;
+
if (hungup) {
/* we can't push or pop modules after the stream has hung up */
str_module_count = 0;
break;
}
if (s != NULL) {
- syslog(LOG_WARNING, "Serial link is not 8-bit clean:");
- syslog(LOG_WARNING, "All received characters had %s", s);
+ warn("Serial link is not 8-bit clean:");
+ warn("All received characters had %s", s);
}
}
}
for (; str_module_count > 0; str_module_count--) {
if (ioctl(fd, I_PUSH, str_modules[str_module_count-1].modname)) {
if (errno != ENXIO)
- syslog(LOG_WARNING, "str_restore: couldn't push module %s: %m",
- str_modules[str_module_count-1].modname);
+ warn("str_restore: couldn't push module %s: %m",
+ str_modules[str_module_count-1].modname);
} else {
- MAINDEBUG((LOG_INFO, "str_restore: pushed module %s",
- str_modules[str_module_count-1].modname));
+ SYSDEBUG(("str_restore: pushed module %s",
+ str_modules[str_module_count-1].modname));
}
}
}
/*
* Translate from bits/second to a speed_t.
*/
-int
+static int
translate_speed(bps)
int bps;
{
for (speedp = speeds; speedp->speed_int; speedp++)
if (bps == speedp->speed_int)
return speedp->speed_val;
- syslog(LOG_WARNING, "speed %d not supported", bps);
+ warn("speed %d not supported", bps);
return 0;
}
/*
* Translate from a speed_t to bits/second.
*/
-int
+static int
baud_rate_of(speed)
int speed;
{
* at the requested speed, etc. If `local' is true, set CLOCAL
* regardless of whether the modem option was specified.
*/
+void
set_up_tty(fd, local)
int fd, local;
{
struct termios tios;
struct termiox tiox;
- if (tcgetattr(fd, &tios) < 0) {
- syslog(LOG_ERR, "tcgetattr: %m");
- die(1);
- }
+ if (tcgetattr(fd, &tios) < 0)
+ fatal("tcgetattr: %m");
+
if (!restore_term)
inittermios = tios;
tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL);
- if (crtscts == 1) {
+ if (crtscts > 0) {
bzero(&tiox, sizeof(tiox));
ioctl(fd, TCGETX, &tiox);
tiox.x_hflag = RTSXOFF;
ioctl(fd, TCSETX, &tiox);
- tios.c_cflag &= ~(IXOFF);
+ tios.c_cflag &= ~(IXON | IXOFF);
} else if (crtscts < 0) {
bzero(&tiox, sizeof(tiox));
ioctl(fd, TCGETX, &tiox);
tios.c_cc[VMIN] = 1;
tios.c_cc[VTIME] = 0;
- if (crtscts == 2) {
- tios.c_iflag |= IXOFF;
+ if (crtscts == -2) {
+ tios.c_iflag |= IXON | IXOFF;
tios.c_cc[VSTOP] = 0x13; /* DC3 = XOFF = ^S */
tios.c_cc[VSTART] = 0x11; /* DC1 = XON = ^Q */
}
* We can't proceed if the serial port speed is B0,
* since that implies that the serial port is disabled.
*/
- if (speed == B0) {
- syslog(LOG_ERR, "Baud rate for %s is 0; need explicit baud rate",
- devnam);
- die(1);
- }
+ if (speed == B0)
+ fatal("Baud rate for %s is 0; need explicit baud rate", devnam);
}
- if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
- syslog(LOG_ERR, "tcsetattr: %m");
- die(1);
- }
+ if (tcsetattr(fd, TCSAFLUSH, &tios) < 0)
+ fatal("tcsetattr: %m");
baud_rate = inspeed = baud_rate_of(speed);
restore_term = 1;
* restore_tty - restore the terminal to the saved settings.
*/
void
-restore_tty()
+restore_tty(fd)
+ int fd;
{
if (restore_term) {
+ if (!default_device) {
+ /*
+ * Turn off echoing, because otherwise we can get into
+ * a loop with the tty and the modem echoing to each other.
+ * We presume we are the sole user of this tty device, so
+ * when we close it, it will revert to its defaults anyway.
+ */
+ inittermios.c_lflag &= ~(ECHO | ECHONL);
+ }
if (tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
if (errno != ENXIO)
- syslog(LOG_WARNING, "tcsetattr: %m");
+ warn("tcsetattr: %m");
restore_term = 0;
}
}
* setdtr - control the DTR line on the serial port.
* This is called from die(), so it shouldn't call die().
*/
+void
setdtr(fd, on)
int fd, on;
{
u_char *p;
int len;
{
- struct strbuf str;
+ struct strbuf str;
+ int retries;
+ struct pollfd pfd;
- if (unit != 0)
- MAINDEBUG((LOG_WARNING, "output: unit != 0!"));
if (debug)
- log_packet(p, len, "sent ");
+ dbglog("sent %P", p, len);
str.len = len;
str.buf = (caddr_t) p;
- if (putmsg(fd, NULL, &str, 0) < 0) {
- if (errno != ENXIO) {
- syslog(LOG_ERR, "putmsg: %m");
- die(1);
+ retries = 4;
+ while (putmsg(ttyfd, NULL, &str, 0) < 0) {
+ if (--retries < 0 || (errno != EWOULDBLOCK && errno != EAGAIN)) {
+ if (errno != ENXIO)
+ error("Couldn't send packet: %m");
+ break;
}
+ pfd.fd = ttyfd;
+ pfd.events = POLLOUT;
+ poll(&pfd, 1, 250); /* wait for up to 0.25 seconds */
}
}
/*
* wait_input - wait for input, for a length of time specified in *timo.
*/
+void
wait_input(timo)
struct timeval *timo;
{
int t;
- struct pollfd pfd;
t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
- pfd.fd = fd;
- pfd.events = POLLIN | POLLPRI | POLLHUP;
- if (poll(&pfd, 1, t) < 0 && errno != EINTR) {
- syslog(LOG_ERR, "poll: %m");
- die(1);
+ if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR)
+ fatal("poll: %m");
+}
+
+/*
+ * add_fd - add an fd to the set that wait_input waits for.
+ */
+void add_fd(fd)
+ int fd;
+{
+ int n;
+
+ for (n = 0; n < n_pollfds; ++n)
+ if (pollfds[n].fd == fd)
+ return;
+ if (n_pollfds < MAX_POLLFDS) {
+ pollfds[n_pollfds].fd = fd;
+ pollfds[n_pollfds].events = POLLIN | POLLPRI | POLLHUP;
+ ++n_pollfds;
+ } else
+ error("Too many inputs!");
+}
+
+/*
+ * remove_fd - remove an fd from the set that wait_input waits for.
+ */
+void remove_fd(fd)
+ int fd;
+{
+ int n;
+
+ for (n = 0; n < n_pollfds; ++n) {
+ if (pollfds[n].fd == fd) {
+ while (++n < n_pollfds)
+ pollfds[n-1] = pollfds[n];
+ --n_pollfds;
+ break;
+ }
}
}
+
/*
* read_packet - get a PPP packet from the serial device.
*/
ctl.maxlen = sizeof(ctlbuf);
ctl.buf = (caddr_t) ctlbuf;
i = 0;
- len = getmsg(fd, &ctl, &str, &i);
+ len = getmsg(ttyfd, &ctl, &str, &i);
if (len < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR) {
return -1;
}
- syslog(LOG_ERR, "getmsg(fd) %m");
- die(1);
+ fatal("getmsg %m");
}
if (len)
- MAINDEBUG((LOG_DEBUG, "getmsg returned 0x%x",len));
+ SYSDEBUG(("getmsg returned 0x%x", len));
if (ctl.len > 0)
- syslog(LOG_NOTICE, "got ctrl msg len %d %x %x\n", ctl.len,
- ctlbuf[0], ctlbuf[1]);
+ notice("got ctrl msg len %d %x %x\n", ctl.len, ctlbuf[0], ctlbuf[1]);
if (str.len < 0) {
- MAINDEBUG((LOG_DEBUG, "getmsg short return length %d", str.len));
+ SYSDEBUG(("getmsg short return length %d", str.len));
return -1;
}
int c;
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+ strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
ifr.ifr_mtu = mtu;
- if (ioctl(sockfd, SIOCSIFMTU, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFMTU): %m");
- quit();
- }
+ if (ioctl(sockfd, SIOCSIFMTU, (caddr_t) &ifr) < 0)
+ fatal("ioctl(SIOCSIFMTU): %m");
- if(ioctl(fd, SIOCSIFASYNCMAP, asyncmap) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFASYNCMAP): %m");
- quit();
- }
+ if(ioctl(ttyfd, SIOCSIFASYNCMAP, asyncmap) < 0)
+ fatal("ioctl(SIOCSIFASYNCMAP): %m");
c = (pcomp? 1: 0);
- if(ioctl(fd, SIOCSIFCOMPPROT, c) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m");
- quit();
- }
+ if(ioctl(ttyfd, SIOCSIFCOMPPROT, c) < 0)
+ fatal("ioctl(SIOCSIFCOMPPROT): %m");
c = (accomp? 1: 0);
- if(ioctl(fd, SIOCSIFCOMPAC, c) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m");
- quit();
- }
+ if(ioctl(ttyfd, SIOCSIFCOMPAC, c) < 0)
+ fatal("ioctl(SIOCSIFCOMPAC): %m");
}
int unit;
ext_accm accm;
{
- if (ioctl(fd, SIOCSIFXASYNCMAP, accm) < 0 && errno != ENOTTY)
- syslog(LOG_WARNING, "ioctl(set extended ACCM): %m");
+ if (ioctl(ttyfd, SIOCSIFXASYNCMAP, accm) < 0 && errno != ENOTTY)
+ warn("ioctl(set extended ACCM): %m");
}
{
char c;
- if (ioctl(fd, SIOCSIFMRU, mru) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFMRU): %m");
+ if (ioctl(ttyfd, SIOCSIFMRU, mru) < 0) {
+ error("ioctl(SIOCSIFMRU): %m");
}
- if (ioctl(fd, SIOCSIFRASYNCMAP, (caddr_t) asyncmap) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFRASYNCMAP): %m");
+ if (ioctl(ttyfd, SIOCSIFRASYNCMAP, (caddr_t) asyncmap) < 0) {
+ error("ioctl(SIOCSIFRASYNCMAP): %m");
}
c = 2 + (pcomp? 1: 0);
- if(ioctl(fd, SIOCSIFCOMPPROT, c) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m");
+ if(ioctl(ttyfd, SIOCSIFCOMPPROT, c) < 0) {
+ error("ioctl(SIOCSIFCOMPPROT): %m");
}
c = 2 + (accomp? 1: 0);
- if (ioctl(fd, SIOCSIFCOMPAC, c) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m");
+ if (ioctl(ttyfd, SIOCSIFCOMPAC, c) < 0) {
+ error("ioctl(SIOCSIFCOMPAC): %m");
}
}
* ccp_test - ask kernel whether a given compression method
* is acceptable for use.
*/
+int
ccp_test(unit, opt_ptr, opt_len, for_transmit)
int unit, opt_len, for_transmit;
u_char *opt_ptr;
data.length = opt_len;
data.transmit = for_transmit;
BCOPY(opt_ptr, data.opt_data, opt_len);
- return ioctl(fd, SIOCSCOMPRESS, &data) >= 0;
+ if (ioctl(ttyfd, SIOCSCOMPRESS, &data) >= 0)
+ return 1;
+ return (errno == ENOSR)? 0: -1;
}
/*
int x;
x = (isopen? 1: 0) + (isup? 2: 0);
- if (ioctl(fd, SIOCSIFCOMP, x) < 0 && errno != ENOTTY)
- syslog(LOG_ERR, "ioctl (SIOCSIFCOMP): %m");
+ if (ioctl(ttyfd, SIOCSIFCOMP, x) < 0 && errno != ENOTTY)
+ error("ioctl (SIOCSIFCOMP): %m");
}
/*
{
int x;
- if (ioctl(fd, SIOCGIFCOMP, &x) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCGIFCOMP): %m");
+ if (ioctl(ttyfd, SIOCGIFCOMP, &x) < 0) {
+ error("ioctl(SIOCGIFCOMP): %m");
return 0;
}
return x & CCP_FATALERROR;
int x;
x = (vjcomp? 1: 0) + (cidcomp? 0: 2) + (maxcid << 4);
- if (ioctl(fd, SIOCSIFVJCOMP, x) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFVJCOMP): %m");
+ if (ioctl(ttyfd, SIOCSIFVJCOMP, x) < 0) {
+ error("ioctl(SIOCSIFVJCOMP): %m");
return 0;
}
return 1;
int u;
{
struct ifreq ifr;
- struct npioctl npi;
- strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+ strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
+ error("ioctl (SIOCGIFFLAGS): %m");
return 0;
}
ifr.ifr_flags |= IFF_UP;
if (ioctl(sockfd, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
+ error("ioctl(SIOCSIFFLAGS): %m");
return 0;
}
- npi.protocol = PPP_IP;
- npi.mode = NPMODE_PASS;
- if (ioctl(fd, SIOCSETNPMODE, &npi) < 0) {
- if (errno != ENOTTY) {
- syslog(LOG_ERR, "ioctl(SIOCSETNPMODE): %m");
- return 0;
- }
- }
+ if_is_up = 1;
+ 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) {
+ error("ioctl(set NP %d mode to %d): %m", proto, mode);
+ return 0;
+ }
return 1;
}
rv = 1;
npi.protocol = PPP_IP;
npi.mode = NPMODE_ERROR;
- if (ioctl(fd, 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, ifname, sizeof (ifr.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
+ error("ioctl (SIOCGIFFLAGS): %m");
rv = 0;
} else {
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(sockfd, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
+ error("ioctl(SIOCSIFFLAGS): %m");
rv = 0;
- }
+ } else
+ if_is_up = 0;
}
return rv;
}
struct ifreq ifr;
ret = 1;
- strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+ strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
if (m != 0) {
- syslog(LOG_INFO, "Setting interface mask to %s\n", ip_ntoa(m));
+ info("Setting interface mask to %s\n", ip_ntoa(m));
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = m;
if (ioctl(sockfd, SIOCSIFNETMASK, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFNETMASK): %m");
+ error("ioctl(SIOCSIFNETMASK): %m");
ret = 0;
}
}
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
if (ioctl(sockfd, SIOCSIFADDR, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m");
+ error("ioctl(SIOCSIFADDR): %m");
ret = 0;
}
SET_SA_FAMILY(ifr.ifr_dstaddr, AF_INET);
((struct sockaddr_in *) &ifr.ifr_dstaddr)->sin_addr.s_addr = h;
if (ioctl(sockfd, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFDSTADDR): %m");
+ error("ioctl(SIOCSIFDSTADDR): %m");
ret = 0;
}
+
+ /* XXX is this necessary? */
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
if (ioctl(sockfd, SIOCSIFADDR, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m");
+ error("ioctl(SIOCSIFADDR): %m");
ret = 0;
}
+
+ ifaddrs[0] = o;
+ ifaddrs[1] = h;
return ret;
}
{
struct ortentry rt;
+ ifaddrs[0] = 0;
+ BZERO(&rt, sizeof(rt));
SET_SA_FAMILY(rt.rt_dst, AF_INET);
((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr = h;
SET_SA_FAMILY(rt.rt_gateway, AF_INET);
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = o;
rt.rt_flags = RTF_HOST;
if (ioctl(sockfd, SIOCDELRT, (caddr_t) &rt) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCDELRT): %m");
+ error("ioctl(SIOCDELRT): %m");
return 0;
}
return 1;
* 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;
+ BZERO(&rt, sizeof(rt));
SET_SA_FAMILY(rt.rt_dst, AF_INET);
SET_SA_FAMILY(rt.rt_gateway, AF_INET);
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = g;
rt.rt_flags = RTF_GATEWAY;
if (ioctl(sockfd, SIOCADDRT, &rt) < 0) {
- syslog(LOG_ERR, "default route ioctl(SIOCADDRT): %m");
+ error("default route ioctl(SIOCADDRT): %m");
return 0;
}
+ default_route_gateway = g;
return 1;
}
* 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;
+ BZERO(&rt, sizeof(rt));
SET_SA_FAMILY(rt.rt_dst, AF_INET);
SET_SA_FAMILY(rt.rt_gateway, AF_INET);
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = g;
rt.rt_flags = RTF_GATEWAY;
if (ioctl(sockfd, SIOCDELRT, &rt) < 0) {
- syslog(LOG_ERR, "default route ioctl(SIOCDELRT): %m");
+ error("default route ioctl(SIOCDELRT): %m");
return 0;
}
+ default_route_gateway = 0;
return 1;
}
* as our local address.
*/
if (!get_ether_addr(hisaddr, &arpreq.arp_ha)) {
- syslog(LOG_WARNING, "Cannot determine ethernet address for proxy ARP");
+ warn("Cannot determine ethernet address for proxy ARP");
return 0;
}
((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr;
arpreq.arp_flags = ATF_PERM | ATF_PUBL;
if (ioctl(sockfd, SIOCSARP, (caddr_t)&arpreq) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSARP): %m");
+ error("ioctl(SIOCSARP): %m");
return 0;
}
+ proxy_arp_addr = hisaddr;
return 1;
}
SET_SA_FAMILY(arpreq.arp_pa, AF_INET);
((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr;
if (ioctl(sockfd, SIOCDARP, (caddr_t)&arpreq) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCDARP): %m");
+ error("ioctl(SIOCDARP): %m");
return 0;
}
+ proxy_arp_addr = 0;
return 1;
}
int kvm_read(int fd, off_t offset, void *buf, int nbytes)
{
if (lseek(fd, offset, SEEK_SET) != offset) {
- syslog(LOG_ERR,"lseek in kmem: %m");
+ error("lseek in kmem: %m");
return(0);
}
return(read(fd, buf, nbytes));
/* Open kernel memory for reading */
if ((kd = open("/dev/kmem", O_RDONLY)) < 0) {
- syslog(LOG_ERR, "/dev/kmem: %m");
+ error("/dev/kmem: %m");
return 0;
}
/* Fetch namelist */
if (nlist("/unix", nl) != 0) {
- syslog(LOG_ERR, "nlist(): %m");
+ error("nlist(): %m");
return 0;
}
if (kvm_read(kd, nl[N_IFNET].n_value, (char *)&addr, sizeof(addr))
!= sizeof(addr)) {
- syslog(LOG_ERR, "error reading ifnet addr");
+ error("error reading ifnet addr");
return 0;
}
for ( ; addr && !found; addr = (u_long)ifp->if_next) {
if (kvm_read(kd, addr, (char *)ac, sizeof(*ac)) != sizeof(*ac)) {
- syslog(LOG_ERR, "error reading ifnet");
+ error("error reading ifnet");
return 0;
}
for (ifap = ifp->if_addrlist; ifap; ifap=ifaddr.ifa.ifa_next) {
if (kvm_read(kd, (u_long)ifap, (char *)&ifaddr,
sizeof(ifaddr)) != sizeof(ifaddr)) {
- syslog(LOG_ERR, "error reading ifaddr");
+ error("error reading ifaddr");
return 0;
}
if (kvm_read(kd, (u_long)ifaddr.ifa.ifa_addr, &ifaddrsaddr,
sizeof(struct sockaddr_in)) != sizeof(struct sockaddr_in)) {
- syslog(LOG_ERR, "error reading ifaddrsaddr");
+ error("error reading ifaddrsaddr");
return(0);
}
if (kvm_read(kd, (u_long)ifaddr.ifa.ifa_netmask, &ifmasksaddr,
sizeof(struct sockaddr_in)) != sizeof(struct sockaddr_in)) {
- syslog(LOG_ERR, "error reading ifmasksaddr");
+ error("error reading ifmasksaddr");
return(0);
}
/* Check if this interface on the right subnet */
ifip = ifinetptr->sin_addr.s_addr;
if (kvm_read(kd, (u_long)ifaddr.ifa.ifa_netmask, &ifmasksaddr,
sizeof(struct sockaddr_in)) != sizeof(struct sockaddr_in)) {
- syslog(LOG_ERR, "error reading ifmasksaddr");
+ error("error reading ifmasksaddr");
return(0);
}
mask = ifmasksaddr.sin_addr.s_addr;
* network as `addr'. If we find any, we OR in their netmask to the
* user-specified netmask.
*/
+#define MAX_IFS 32
+
u_int32_t
GetMask(addr)
u_int32_t addr;
ifc.ifc_len = sizeof(ifs);
ifc.ifc_req = ifs;
if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0) {
- syslog(LOG_WARNING, "ioctl(SIOCGIFCONF): %m");
+ warn("ioctl(SIOCGIFCONF): %m");
return mask;
}
ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
- for (ifr = ifc.ifc_req; ifr < ifend; ifr = (struct ifreq *)
- ((char *)&ifr->ifr_addr + ifr->ifr_addr.sa_len)) {
+ for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
/*
* Check the interface's internet address.
*/
/*
* 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, ifr->ifr_name, sizeof(ifreq.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
continue;
if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
#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;
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));
+ strncpy(ut.ut_line, line, sizeof(ut.ut_line));
+ strncpy(ut.ut_name, name, sizeof(ut.ut_name));
+ strncpy(ut.ut_host, host, sizeof(ut.ut_host));
(void)time(&ut.ut_time);
if (write(fd, (char *)&ut, sizeof(struct utmp)) != sizeof(struct utmp))
(void)ftruncate(fd, buf.st_size);
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.
*/
devname = device;
if ((rc = ttylock(devname)) == 0) {
- devlocked = (char *) malloc(strlen(devname) + 1);
- sprintf(devlocked,"%s",devname);
+ devlocked = strdup(devname);
} else
devlocked = (char *) 0;