*/
#ifndef lint
-static char rcsid[] = "$Id: sys-bsd.c,v 1.25 1996/05/27 00:00:12 paulus Exp $";
+static char rcsid[] = "$Id: sys-bsd.c,v 1.36 1999/03/12 06:07:21 paulus Exp $";
+/* $NetBSD: sys-bsd.c,v 1.1.1.3 1997/09/26 18:53:04 christos Exp $ */
#endif
/*
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/stat.h>
+#include <sys/param.h>
+#ifdef NetBSD1_2
+#include <util.h>
+#endif
+#ifdef PPP_FILTER
+#include <net/bpf.h>
+#endif
#include <net/if.h>
#include <net/ppp_defs.h>
#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"
+#include "fsm.h"
+#include "ipcp.h"
static int initdisc = -1; /* Initial TTY discipline for ppp_fd */
static int initfdflags = -1; /* Initial file descriptor flags for ppp_fd */
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;
if (ifaddrs[0] != 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);
}
/*
* sys_check_options - check the options that the user specified
*/
-void
+int
sys_check_options()
{
+#ifndef CDTRCTS
+ if (crtscts == 2) {
+ syslog(LOG_WARNING, "DTR/CTS flow control is not supported on this system");
+ return 0;
+ }
+#endif
+ return 1;
}
-
/*
* ppp_available - check whether the system has any ppp interfaces
* (in fact we check whether we can do an ioctl on ppp0).
if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
return 1; /* can't tell */
- strncpy(ifr.ifr_name, "ppp0", sizeof (ifr.ifr_name));
+ strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), "ppp0");
ok = ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) >= 0;
close(s);
}
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;
+#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)
int len;
{
if (debug)
- log_packet(p, len, "sent ");
+ log_packet(p, len, "sent ", LOG_DEBUG);
if (write(ttyfd, p, len) < 0) {
if (errno != EIO)
u_int x;
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");
}
+#ifdef PPP_FILTER
+/*
+ * 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 (ioctl(ppp_fd, PPPIOCSPASS, pass) < 0) {
+ syslog(LOG_ERR, "Couldn't set pass-filter in kernel: %m");
+ ret = 0;
+ }
+ }
+ if (active->bf_len > 0) {
+ if (ioctl(ppp_fd, PPPIOCSACTIVE, active) < 0) {
+ syslog(LOG_ERR, "Couldn't set active-filter in kernel: %m");
+ ret = 0;
+ }
+ }
+ return ret;
+}
+#endif
+
/*
* sifvjcomp - config tcp header compression
*/
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m");
return 0;
}
- if (ioctl(ppp_fd, PPPIOCSMAXCID, (caddr_t) &maxcid) < 0) {
+ if (vjcomp && ioctl(ppp_fd, PPPIOCSMAXCID, (caddr_t) &maxcid) < 0) {
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m");
return 0;
}
{
struct ifreq ifr;
- 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;
ioctl(ppp_fd, PPPIOCSNPMODE, (caddr_t) &npi);
/* ignore errors, because ppp_fd 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;
u_int32_t o, h, m;
{
struct ifaliasreq ifra;
+ struct ifreq ifr;
- strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
+ strlcpy(ifra.ifra_name, sizeof(ifra.ifra_name), ifname);
SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
((struct sockaddr_in *) &ifra.ifra_addr)->sin_addr.s_addr = o;
SET_SA_FAMILY(ifra.ifra_broadaddr, AF_INET);
((struct sockaddr_in *) &ifra.ifra_mask)->sin_addr.s_addr = m;
} else
BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask));
+ BZERO(&ifr, sizeof(ifr));
+ strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
+ 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");
return 0;
}
syslog(LOG_WARNING,
- "Couldn't set interface address: Address already exists");
+ "Couldn't set interface address: Address %s already exists",
+ ip_ntoa(o));
}
ifaddrs[0] = o;
ifaddrs[1] = h;
struct ifaliasreq ifra;
ifaddrs[0] = 0;
- strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name));
+ strlcpy(ifra.ifra_name, sizeof(ifra.ifra_name), ifname);
SET_SA_FAMILY(ifra.ifra_addr, AF_INET);
((struct sockaddr_in *) &ifra.ifra_addr)->sin_addr.s_addr = o;
SET_SA_FAMILY(ifra.ifra_broadaddr, AF_INET);
* 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;
{
return dodefaultroute(g, 's');
}
* 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;
{
return dodefaultroute(g, 'c');
}
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;
((char *)&ifr->ifr_addr + ifr->ifr_addr.sa_len)) {
if (ifr->ifr_addr.sa_family == AF_INET) {
ina = ((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr;
- strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
+ strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
/*
* Check that the interface is up, and not point-to-point
* or loopback.
/*
* 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))
return mask;
}
+/*
+ * 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;
+}
+
+/*
+ * 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
*/
char hdb_lock_buffer[12];
int fd, pid, n;
char *p;
+ size_t l;
if ((p = strrchr(dev, '/')) != NULL)
dev = p + 1;
- lock_file = malloc(strlen(LOCK_PREFIX) + strlen(dev) + 1);
+ l = strlen(LOCK_PREFIX) + strlen(dev) + 1;
+ lock_file = malloc(l);
if (lock_file == NULL)
novm("lock file name");
- strcat(strcpy(lock_file, LOCK_PREFIX), dev);
+ slprintf(lock_file, l, "%s%s", LOCK_PREFIX, dev);
while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
if (errno == EEXIST