* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#ifndef lint
+static char rcsid[] = "$Id: sys-str.c,v 1.16 1994/10/24 04:30:35 paulus Exp $";
+#endif
+
/*
* TODO:
*/
#include <stdio.h>
#include <errno.h>
#include <syslog.h>
+#include <termios.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include <utmp.h>
#include <poll.h>
-#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
+#include <sys/sockio.h>
#include <sys/time.h>
#include <sys/stream.h>
#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
static int pushed_ppp;
static int closed_stdio;
-extern int hungup; /* has the physical layer been disconnected? */
-extern int kdebugflag;
-extern int default_device;
-extern int restore_term;
+static int restore_term; /* 1 => we've munged the terminal */
+static struct termios inittermios; /* Initial TTY termios */
-#define PAI_FLAGS_B7_0 0x100
-#define PAI_FLAGS_B7_1 0x200
-#define PAI_FLAGS_PAR_EVEN 0x400
-#define PAI_FLAGS_PAR_ODD 0x800
-#define PAI_FLAGS_HIBITS 0xF00
+/*
+ * 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));
+}
+
+/*
+ * note_debug_level - note a change in the debug level.
+ */
+void
+note_debug_level()
+{
+ if (debug) {
+ syslog(LOG_INFO, "Debug turned ON, Level %d", debug);
+ setlogmask(LOG_UPTO(LOG_DEBUG));
+ } else {
+ setlogmask(LOG_UPTO(LOG_WARNING));
+ }
+}
/*
* daemon - Detach us from the terminal session.
syslog(LOG_ERR, "ioctl(I_PUSH, ppp_async): %m");
die(1);
}
+ /* push the compress module */
+ if (ioctl(fd, I_PUSH, "pppcomp") < 0) {
+ syslog(LOG_WARNING, "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) {
die(1);
}
pushed_ppp = 1;
-#if 0
- if (ioctl(fd, I_SETSIG, S_INPUT) < 0) {
- syslog(LOG_ERR, "ioctl(I_SETSIG, S_INPUT): %m");
- die(1);
- }
-#endif
/* read mode, message non-discard mode */
if (ioctl(fd, I_SRDOPT, RMSGN) < 0) {
syslog(LOG_ERR, "ioctl(I_SRDOPT, RMSGN): %m");
die(1);
}
-#if 0
- /* Flush any waiting messages, or we'll never get SIGPOLL */
- if (ioctl(fd, I_FLUSH, FLUSHRW) < 0) {
- syslog(LOG_ERR, "ioctl(I_FLUSH, FLUSHRW): %m");
- die(1);
- }
-#endif
/*
* Find out which interface we were given.
* (ppp_if handles this ioctl)
}
+/*
+ * List of valid speeds.
+ */
+struct speed {
+ int speed_int, speed_val;
+} speeds[] = {
+#ifdef B50
+ { 50, B50 },
+#endif
+#ifdef B75
+ { 75, B75 },
+#endif
+#ifdef B110
+ { 110, B110 },
+#endif
+#ifdef B134
+ { 134, B134 },
+#endif
+#ifdef B150
+ { 150, B150 },
+#endif
+#ifdef B200
+ { 200, B200 },
+#endif
+#ifdef B300
+ { 300, B300 },
+#endif
+#ifdef B600
+ { 600, B600 },
+#endif
+#ifdef B1200
+ { 1200, B1200 },
+#endif
+#ifdef B1800
+ { 1800, B1800 },
+#endif
+#ifdef B2000
+ { 2000, B2000 },
+#endif
+#ifdef B2400
+ { 2400, B2400 },
+#endif
+#ifdef B3600
+ { 3600, B3600 },
+#endif
+#ifdef B4800
+ { 4800, B4800 },
+#endif
+#ifdef B7200
+ { 7200, B7200 },
+#endif
+#ifdef B9600
+ { 9600, B9600 },
+#endif
+#ifdef B19200
+ { 19200, B19200 },
+#endif
+#ifdef B38400
+ { 38400, B38400 },
+#endif
+#ifdef EXTA
+ { 19200, EXTA },
+#endif
+#ifdef EXTB
+ { 38400, EXTB },
+#endif
+#ifdef B57600
+ { 57600, B57600 },
+#endif
+#ifdef B115200
+ { 115200, B115200 },
+#endif
+ { 0, 0 }
+};
+
+/*
+ * Translate from bits/second to a speed_t.
+ */
+int
+translate_speed(bps)
+ int bps;
+{
+ struct speed *speedp;
+
+ if (bps == 0)
+ return 0;
+ for (speedp = speeds; speedp->speed_int; speedp++)
+ if (bps == speedp->speed_int)
+ return speedp->speed_val;
+ syslog(LOG_WARNING, "speed %d not supported", bps);
+ return 0;
+}
+
+/*
+ * Translate from a speed_t to bits/second.
+ */
+int
+baud_rate_of(speed)
+ int speed;
+{
+ struct speed *speedp;
+
+ if (speed == 0)
+ return 0;
+ for (speedp = speeds; speedp->speed_int; speedp++)
+ if (speed == speedp->speed_val)
+ return speedp->speed_int;
+ return 0;
+}
+
+/*
+ * set_up_tty: Set up the serial port on `fd' for 8 bits, no parity,
+ * at the requested speed, etc. If `local' is true, set CLOCAL
+ * regardless of whether the modem option was specified.
+ */
+set_up_tty(fd, local)
+ int fd, local;
+{
+ int speed;
+ struct termios tios;
+
+ if (tcgetattr(fd, &tios) < 0) {
+ syslog(LOG_ERR, "tcgetattr: %m");
+ die(1);
+ }
+
+ if (!restore_term)
+ inittermios = tios;
+
+ 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)
+ tios.c_cflag |= CLOCAL;
+ tios.c_iflag = IGNBRK | IGNPAR;
+ tios.c_oflag = 0;
+ tios.c_lflag = 0;
+ tios.c_cc[VMIN] = 1;
+ tios.c_cc[VTIME] = 0;
+
+ if (crtscts == 2) {
+ tios.c_iflag |= IXOFF;
+ tios.c_cc[VSTOP] = 0x13; /* DC3 = XOFF = ^S */
+ tios.c_cc[VSTART] = 0x11; /* DC1 = XON = ^Q */
+ }
+
+ speed = translate_speed(inspeed);
+ if (speed) {
+ cfsetospeed(&tios, speed);
+ cfsetispeed(&tios, speed);
+ } else {
+ speed = cfgetospeed(&tios);
+ /*
+ * 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 (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
+ syslog(LOG_ERR, "tcsetattr: %m");
+ die(1);
+ }
+
+ baud_rate = inspeed = baud_rate_of(speed);
+ restore_term = 1;
+}
+
+/*
+ * restore_tty - restore the terminal to the saved settings.
+ */
+void
+restore_tty()
+{
+ if (restore_term) {
+ if (tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
+ if (errno != ENXIO)
+ syslog(LOG_WARNING, "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().
+ */
+setdtr(fd, on)
+int fd, on;
+{
+ int modembits = TIOCM_DTR;
+
+ ioctl(fd, (on? TIOCMBIS: TIOCMBIC), &modembits);
+}
+
+
/*
* output - Output PPP packet.
*/
}
}
-
+/*
+ * wait_input - wait for input, for a length of time specified in *timo.
+ */
wait_input(timo)
struct timeval *timo;
{
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;
i = 0;
len = getmsg(fd, &ctl, &str, &i);
if (len < 0) {
- if (errno == EAGAIN || errno == EWOULDBLOCK) {
+ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR) {
return -1;
}
syslog(LOG_ERR, "getmsg(fd) %m");
void
ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
int unit, mtu;
- u_long asyncmap;
+ u_int32_t asyncmap;
int pcomp, accomp;
{
char c;
void
ppp_recv_config(unit, mru, asyncmap, pcomp, accomp)
int unit, mru;
- u_long asyncmap;
+ u_int32_t asyncmap;
int pcomp, accomp;
{
char c;
}
}
+/*
+ * ccp_test - ask kernel whether a given compression method
+ * is acceptable for use.
+ */
+ccp_test(unit, opt_ptr, opt_len, for_transmit)
+ int unit, opt_len, for_transmit;
+ u_char *opt_ptr;
+{
+ struct ppp_option_data data;
+
+ if ((unsigned) opt_len > MAX_PPP_OPTION)
+ opt_len = MAX_PPP_OPTION;
+ data.length = opt_len;
+ data.transmit = for_transmit;
+ BCOPY(opt_ptr, data.opt_data, opt_len);
+ return ioctl(fd, SIOCSCOMPRESS, (caddr_t) &data) >= 0;
+}
+
/*
* ccp_flags_set - inform kernel about the current state of CCP.
*/
{
int x;
-#if 0
x = (isopen? 1: 0) + (isup? 2: 0);
- if (ioctl(fd, SIOCSIFCOMP, (caddr_t) &x) < 0)
+ if (ioctl(fd, SIOCSIFCOMP, (caddr_t) &x) < 0 && errno != ENOTTY)
syslog(LOG_ERR, "ioctl (SIOCSIFCOMP): %m");
-#endif
+}
+
+/*
+ * 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;
}
/*
}
/*
- * sifup - Config the interface up.
+ * sifup - Config the interface up and enable IP packets to pass.
*/
int
sifup(u)
int u;
{
struct ifreq ifr;
+ struct npioctl npi;
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
syslog(LOG_ERR, "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;
+ }
+ }
return 1;
}
int u;
{
struct ifreq ifr;
+ int rv;
+ struct npioctl npi;
+
+ rv = 1;
+ npi.protocol = PPP_IP;
+ npi.mode = NPMODE_ERROR;
+ if (ioctl(fd, SIOCSETNPMODE, (caddr_t) &npi) < 0) {
+ if (errno != ENOTTY) {
+ syslog(LOG_ERR, "ioctl(SIOCSETNPMODE): %m");
+ rv = 0;
+ }
+ }
+
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
- return 0;
- }
- ifr.ifr_flags &= ~IFF_UP;
- if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
- return 0;
+ rv = 0;
+ } else {
+ ifr.ifr_flags &= ~IFF_UP;
+ if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
+ syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
+ rv = 0;
+ }
}
- return 1;
+ return rv;
}
/*
int
sifaddr(u, o, h, m)
int u;
- u_long o, h, m;
+ u_int32_t o, h, m;
{
int ret;
struct ifreq ifr;
int
cifaddr(u, o, h)
int u;
- u_long o, h;
+ u_int32_t o, h;
{
struct rtentry rt;
int
sifdefaultroute(u, g)
int u;
- u_long g;
+ u_int32_t g;
{
struct rtentry rt;
int
cifdefaultroute(u, g)
int u;
- u_long g;
+ u_int32_t g;
{
struct rtentry rt;
int
sifproxyarp(unit, hisaddr)
int unit;
- u_long hisaddr;
+ u_int32_t hisaddr;
{
struct arpreq arpreq;
int
cifproxyarp(unit, hisaddr)
int unit;
- u_long hisaddr;
+ u_int32_t hisaddr;
{
struct arpreq arpreq;
int
get_ether_addr(ipaddr, hwaddr)
- u_long ipaddr;
+ u_int32_t ipaddr;
struct sockaddr *hwaddr;
{
register kvm_t *kd;
struct in_ifaddr in;
} ifaddr;
#endif
- u_long addr, mask;
+ u_int32_t addr, mask;
/* Open kernel memory for reading */
kd = kvm_open(0, 0, 0, O_RDONLY, NULL);
syslog(LOG_ERR, "error reading ifnet addr");
return 0;
}
- for ( ; addr; addr = (u_long)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;
/* Get interface ip address */
#ifdef SUNOS4
- if (kvm_read(kd, (u_long)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;