/*
* System-dependent procedures for pppd under Solaris 2.
*
- * Copyright (c) 1994 The Australian National University.
+ * Parts re-written by Adi Masputra <adi.masputra@sun.com>, based on
+ * the original sys-svr4.c
+ *
+ * Copyright (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, provided that the above copyright
- * notice appears in all copies. This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * notice appears in all copies.
+ *
+ * SUN MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+ * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
+ *
+ * Copyright (c) 1995-2002 Paul Mackerras. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * 3. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Derived from main.c and pppd.h, which are:
+ *
+ * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The name "Carnegie Mellon University" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For permission or any legal
+ * details, please contact
+ * Office of Technology Transfer
+ * Carnegie Mellon University
+ * 5000 Forbes Avenue
+ * Pittsburgh, PA 15213-3890
+ * (412) 268-4387, fax: (412) 268-7395
+ * tech-transfer@andrew.cmu.edu
*
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Computing Services
+ * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
- * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
- * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
- * OR MODIFICATIONS.
+ * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
+ * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifndef lint
-static char rcsid[] = "$Id: sys-svr4.c,v 1.2 1995/06/01 01:31:28 paulus Exp $";
-#endif
+#define RCSID "$Id: sys-svr4.c,v 1.46 2004/11/04 10:02:26 paulus Exp $"
+#include <limits.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
+#ifndef CRTSCTS
+#include <sys/termiox.h>
+#endif
+#include <signal.h>
+#include <utmpx.h>
#include <sys/types.h>
#include <sys/ioccom.h>
#include <sys/stream.h>
#include <sys/stropts.h>
#include <sys/socket.h>
#include <sys/sockio.h>
-#include <sys/syslog.h>
+#include <sys/sysmacros.h>
#include <sys/systeminfo.h>
#include <sys/dlpi.h>
#include <sys/stat.h>
+#include <sys/mkdev.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/route.h>
#include <net/ppp_defs.h>
#include <net/pppio.h>
#include <netinet/in.h>
+#ifdef SOL2
+#include <sys/tihdr.h>
+#include <sys/tiuser.h>
+#include <inet/common.h>
+#include <inet/mib2.h>
+#include <sys/ethernet.h>
+#endif
#include "pppd.h"
+#include "fsm.h"
+#include "lcp.h"
+#include "ipcp.h"
+#include "ccp.h"
+
+#if !defined(PPP_DEV_NAME)
+#define PPP_DEV_NAME "/dev/ppp"
+#endif /* !defined(PPP_DEV_NAME) */
+
+#if !defined(AHDLC_MOD_NAME)
+#define AHDLC_MOD_NAME "ppp_ahdl"
+#endif /* !defined(AHDLC_MOD_NAME) */
+
+#if !defined(COMP_MOD_NAME)
+#define COMP_MOD_NAME "ppp_comp"
+#endif /* !defined(COMP_MOD_NAME) */
+
+#if !defined(IP_DEV_NAME)
+#define IP_DEV_NAME "/dev/ip"
+#endif /* !defined(IP_DEV_NAME) */
+#if !defined(IP_MOD_NAME)
+#define IP_MOD_NAME "ip"
+#endif /* !defined(IP_MOD_NAME) */
+
+#if !defined(UDP_DEV_NAME) && defined(SOL2)
+#define UDP_DEV_NAME "/dev/udp"
+#endif /* !defined(UDP_DEV_NAME) && defined(SOL2) */
+
+#if !defined(UDP6_DEV_NAME) && defined(SOL2)
+#define UDP6_DEV_NAME "/dev/udp6"
+#endif /* !defined(UDP6_DEV_NAME) && defined(SOL2) */
+
+static const char rcsid[] = RCSID;
+
+#if defined(SOL2)
+/*
+ * "/dev/udp" is used as a multiplexor to PLINK the interface stream
+ * under. It is used in place of "/dev/ip" since STREAMS will not let
+ * a driver be PLINK'ed under itself, and "/dev/ip" is typically the
+ * driver at the bottom of the tunneling interfaces stream.
+ */
+static char *mux_dev_name = UDP_DEV_NAME;
+#else
+static char *mux_dev_name = IP_DEV_NAME;
+#endif
static int pppfd;
static int fdmuxid = -1;
static int ipfd;
static int ipmuxid = -1;
+#if defined(INET6) && defined(SOL2)
+static int ip6fd; /* IP file descriptor */
+static int ip6muxid = -1; /* Multiplexer file descriptor */
+static int if6_is_up = 0; /* IPv6 interface has been marked up */
+
+#define _IN6_LLX_FROM_EUI64(l, s, eui64, as) do { \
+ s->sin6_addr.s6_addr32[0] = htonl(as); \
+ eui64_copy(eui64, s->sin6_addr.s6_addr32[2]); \
+ s->sin6_family = AF_INET6; \
+ l.lifr_addr.ss_family = AF_INET6; \
+ l.lifr_addrlen = 10; \
+ l.lifr_addr = laddr; \
+ } while (0)
+
+#define IN6_LLADDR_FROM_EUI64(l, s, eui64) \
+ _IN6_LLX_FROM_EUI64(l, s, eui64, 0xfe800000)
+
+#define IN6_LLTOKEN_FROM_EUI64(l, s, eui64) \
+ _IN6_LLX_FROM_EUI64(l, s, eui64, 0)
+
+#endif /* defined(INET6) && defined(SOL2) */
+
+#if defined(INET6) && defined(SOL2)
+static char first_ether_name[LIFNAMSIZ]; /* Solaris 8 and above */
+#else
+static char first_ether_name[IFNAMSIZ]; /* Before Solaris 8 */
+#define MAXIFS 256 /* Max # of interfaces */
+#endif /* defined(INET6) && defined(SOL2) */
+
static int restore_term;
static struct termios inittermios;
+#ifndef CRTSCTS
+static struct termiox inittermiox;
+static int termiox_ok;
+#endif
+static struct winsize wsinfo; /* Initial window size info */
+static pid_t tty_sid; /* original session ID for terminal */
+
+extern u_char inpacket_buf[]; /* borrowed from main.c */
+
+#define MAX_POLLFDS 32
+static struct pollfd pollfds[MAX_POLLFDS];
+static int n_pollfds;
static int link_mtu, link_mru;
#define NMODULES 32
static int tty_nmodules;
static char tty_modules[NMODULES][FMNAMESZ+1];
+static int tty_npushed;
+
+static int if_is_up; /* Interface has been marked up */
+static u_int32_t remote_addr; /* IP address of peer */
+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 */
+
+/* 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 *));
+static int get_hw_addr __P((char *, u_int32_t, struct sockaddr *));
+static int get_hw_addr_dlpi __P((char *, struct sockaddr *));
+static int dlpi_attach __P((int, int));
+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));
+
+#ifdef SOL2
+/*
+ * sifppa - Sets interface ppa
+ *
+ * without setting the ppa, ip module will return EINVAL upon setting the
+ * interface UP (SIOCSxIFFLAGS). This is because ip module in 2.8 expects
+ * two DLPI_INFO_REQ to be sent down to the driver (below ip) before
+ * IFF_UP can be set. Plumbing the device causes one DLPI_INFO_REQ to
+ * be sent down, and the second DLPI_INFO_REQ is sent upon receiving
+ * IF_UNITSEL (old) or SIOCSLIFNAME (new) ioctls. Such setting of the ppa
+ * is required because the ppp DLPI provider advertises itself as
+ * a DLPI style 2 type, which requires a point of attachment to be
+ * specified. The only way the user can specify a point of attachment
+ * is via SIOCSLIFNAME or IF_UNITSEL.
+ *
+ * Such changes in the behavior of ip module was made to meet new or
+ * evolving standards requirements.
+ *
+ */
+static int
+sifppa(fd, ppa)
+ int fd;
+ int ppa;
+{
+ return (int)ioctl(fd, IF_UNITSEL, (char *)&ppa);
+}
+#endif /* SOL2 */
+
+#if defined(SOL2) && defined(INET6)
+/*
+ * get_first_ethernet - returns the first Ethernet interface name found in
+ * the system, or NULL if none is found
+ *
+ * NOTE: This is the lifreq version (Solaris 8 and above)
+ */
+char *
+get_first_ethernet()
+{
+ struct lifnum lifn;
+ struct lifconf lifc;
+ struct lifreq *plifreq;
+ struct lifreq lifr;
+ int fd, num_ifs, i, found;
+ uint_t fl, req_size;
+ char *req;
+
+ fd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ return 0;
+ }
+
+ /*
+ * Find out how many interfaces are running
+ */
+ lifn.lifn_family = AF_UNSPEC;
+ lifn.lifn_flags = LIFC_NOXMIT;
+ if (ioctl(fd, SIOCGLIFNUM, &lifn) < 0) {
+ close(fd);
+ error("could not determine number of interfaces: %m");
+ return 0;
+ }
+
+ num_ifs = lifn.lifn_count;
+ req_size = num_ifs * sizeof(struct lifreq);
+ req = malloc(req_size);
+ if (req == NULL) {
+ close(fd);
+ error("out of memory");
+ return 0;
+ }
+
+ /*
+ * Get interface configuration info for all interfaces
+ */
+ lifc.lifc_family = AF_UNSPEC;
+ lifc.lifc_flags = LIFC_NOXMIT;
+ lifc.lifc_len = req_size;
+ lifc.lifc_buf = req;
+ if (ioctl(fd, SIOCGLIFCONF, &lifc) < 0) {
+ close(fd);
+ free(req);
+ error("SIOCGLIFCONF: %m");
+ return 0;
+ }
+
+ /*
+ * And traverse each interface to look specifically for the first
+ * occurence of an Ethernet interface which has been marked up
+ */
+ plifreq = lifc.lifc_req;
+ found = 0;
+ for (i = lifc.lifc_len / sizeof(struct lifreq); i > 0; i--, plifreq++) {
+
+ if (strchr(plifreq->lifr_name, ':') != NULL)
+ continue;
+
+ memset(&lifr, 0, sizeof(lifr));
+ strncpy(lifr.lifr_name, plifreq->lifr_name, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ free(req);
+ error("SIOCGLIFFLAGS: %m");
+ return 0;
+ }
+ fl = lifr.lifr_flags;
+
+ if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
+ != (IFF_UP | IFF_BROADCAST))
+ continue;
+
+ found = 1;
+ break;
+ }
+ free(req);
+ close(fd);
+
+ if (found) {
+ strncpy(first_ether_name, lifr.lifr_name, sizeof(first_ether_name));
+ return (char *)first_ether_name;
+ } else
+ return NULL;
+}
+#else
+/*
+ * get_first_ethernet - returns the first Ethernet interface name found in
+ * the system, or NULL if none is found
+ *
+ * NOTE: This is the ifreq version (before Solaris 8).
+ */
+char *
+get_first_ethernet()
+{
+ struct ifconf ifc;
+ struct ifreq *pifreq;
+ struct ifreq ifr;
+ int fd, num_ifs, i, found;
+ uint_t fl, req_size;
+ char *req;
+
+ fd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ return 0;
+ }
+
+ /*
+ * Find out how many interfaces are running
+ */
+ if (ioctl(fd, SIOCGIFNUM, (char *)&num_ifs) < 0) {
+ num_ifs = MAXIFS;
+ }
+
+ req_size = num_ifs * sizeof(struct ifreq);
+ req = malloc(req_size);
+ if (req == NULL) {
+ close(fd);
+ error("out of memory");
+ return 0;
+ }
+
+ /*
+ * Get interface configuration info for all interfaces
+ */
+ ifc.ifc_len = req_size;
+ ifc.ifc_buf = req;
+ if (ioctl(fd, SIOCGIFCONF, &ifc) < 0) {
+ close(fd);
+ free(req);
+ error("SIOCGIFCONF: %m");
+ return 0;
+ }
+
+ /*
+ * And traverse each interface to look specifically for the first
+ * occurence of an Ethernet interface which has been marked up
+ */
+ pifreq = ifc.ifc_req;
+ found = 0;
+ for (i = ifc.ifc_len / sizeof(struct ifreq); i > 0; i--, pifreq++) {
+
+ if (strchr(pifreq->ifr_name, ':') != NULL)
+ continue;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, pifreq->ifr_name, sizeof(ifr.ifr_name));
+ if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
+ close(fd);
+ free(req);
+ error("SIOCGIFFLAGS: %m");
+ return 0;
+ }
+ fl = ifr.ifr_flags;
+
+ if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
+ != (IFF_UP | IFF_BROADCAST))
+ continue;
+
+ found = 1;
+ break;
+ }
+ free(req);
+ close(fd);
+
+ if (found) {
+ strncpy(first_ether_name, ifr.ifr_name, sizeof(first_ether_name));
+ return (char *)first_ether_name;
+ } else
+ return NULL;
+}
+#endif /* defined(SOL2) && defined(INET6) */
+
+#if defined(SOL2)
+/*
+ * get_if_hwaddr - get the hardware address for the specified
+ * network interface device.
+ */
+int
+get_if_hwaddr(u_char *addr, char *if_name)
+{
+ struct sockaddr s_eth_addr;
+ struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
+
+ if (if_name == NULL)
+ return -1;
+
+ /*
+ * Send DL_INFO_REQ to the driver to solicit its MAC address
+ */
+ if (!get_hw_addr_dlpi(if_name, &s_eth_addr)) {
+ error("could not obtain hardware address for %s", if_name);
+ return -1;
+ }
+
+ memcpy(addr, eth_addr->ether_addr_octet, 6);
+ return 1;
+}
+#endif /* SOL2 */
+
+#if defined(SOL2) && defined(INET6)
+/*
+ * slifname - Sets interface ppa and flags
+ *
+ * in addition to the comments stated in sifppa(), IFF_IPV6 bit must
+ * be set in order to declare this as an IPv6 interface
+ */
+static int
+slifname(fd, ppa)
+ int fd;
+ int ppa;
+{
+ struct lifreq lifr;
+ int ret;
+
+ memset(&lifr, 0, sizeof(lifr));
+ ret = ioctl(fd, SIOCGLIFFLAGS, &lifr);
+ if (ret < 0)
+ goto slifname_done;
+
+ lifr.lifr_flags |= IFF_IPV6;
+ lifr.lifr_flags &= ~(IFF_BROADCAST | IFF_IPV4);
+ lifr.lifr_ppa = ppa;
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+
+ ret = ioctl(fd, SIOCSLIFNAME, &lifr);
+
+slifname_done:
+ return ret;
+
+
+}
+
+
+/*
+ * ether_to_eui64 - Convert 48-bit Ethernet address into 64-bit EUI
+ *
+ * walks the list of valid ethernet interfaces, and convert the first
+ * found 48-bit MAC address into EUI 64. caller also assumes that
+ * the system has a properly configured Ethernet interface for this
+ * function to return non-zero.
+ */
+int
+ether_to_eui64(eui64_t *p_eui64)
+{
+ struct sockaddr s_eth_addr;
+ struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
+ char *if_name;
+
+ if ((if_name = get_first_ethernet()) == NULL) {
+ error("no persistent id can be found");
+ return 0;
+ }
+
+ /*
+ * Send DL_INFO_REQ to the driver to solicit its MAC address
+ */
+ if (!get_hw_addr_dlpi(if_name, &s_eth_addr)) {
+ error("could not obtain hardware address for %s", if_name);
+ return 0;
+ }
+
+ /*
+ * And convert the EUI-48 into EUI-64, per RFC 2472 [sec 4.1]
+ */
+ p_eui64->e8[0] = (eth_addr->ether_addr_octet[0] & 0xFF) | 0x02;
+ p_eui64->e8[1] = (eth_addr->ether_addr_octet[1] & 0xFF);
+ p_eui64->e8[2] = (eth_addr->ether_addr_octet[2] & 0xFF);
+ p_eui64->e8[3] = 0xFF;
+ p_eui64->e8[4] = 0xFE;
+ p_eui64->e8[5] = (eth_addr->ether_addr_octet[3] & 0xFF);
+ p_eui64->e8[6] = (eth_addr->ether_addr_octet[4] & 0xFF);
+ p_eui64->e8[7] = (eth_addr->ether_addr_octet[5] & 0xFF);
+
+ return 1;
+}
+#endif /* defined(SOL2) && defined(INET6) */
/*
* 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));
+ int ifd, x;
+ struct ifreq ifr;
+#if defined(INET6) && defined(SOL2)
+ int i6fd;
+ struct lifreq lifr;
+#endif /* defined(INET6) && defined(SOL2) */
+#if !defined(SOL2)
+ struct {
+ union DL_primitives prim;
+ char space[64];
+ } reply;
+#endif /* !defined(SOL2) */
+
+ ipfd = open(mux_dev_name, O_RDWR, 0);
+ if (ipfd < 0)
+ fatal("Couldn't open IP device: %m");
+
+#if defined(INET6) && defined(SOL2)
+ ip6fd = open(UDP6_DEV_NAME, O_RDWR, 0);
+ if (ip6fd < 0)
+ fatal("Couldn't open IP device (2): %m");
+#endif /* defined(INET6) && defined(SOL2) */
+
+ if (default_device && !notty)
+ tty_sid = getsid((pid_t)0);
+
+ pppfd = open(PPP_DEV_NAME, O_RDWR | O_NONBLOCK, 0);
+ if (pppfd < 0)
+ fatal("Can't open %s: %m", PPP_DEV_NAME);
+ if (kdebugflag & 1) {
+ x = PPPDBG_LOG + PPPDBG_DRIVER;
+ strioctl(pppfd, PPPIO_DEBUG, &x, sizeof(int), 0);
+ }
+
+ /* Assign a new PPA and get its unit number. */
+ if (strioctl(pppfd, PPPIO_NEWPPA, &ifunit, 0, sizeof(int)) < 0)
+ fatal("Can't create new PPP interface: %m");
+
+#if defined(SOL2)
+ /*
+ * Since sys_init() is called prior to ifname being set in main(),
+ * we need to get the ifname now, otherwise slifname(), and others,
+ * will fail, or maybe, I should move them to a later point ?
+ * <adi.masputra@sun.com>
+ */
+ sprintf(ifname, "ppp%d", ifunit);
+#endif /* defined(SOL2) */
+ /*
+ * Open the ppp device again and link it under the ip multiplexor.
+ * IP will assign a unit number which hopefully is the same as ifunit.
+ * I don't know any way to be certain they will be the same. :-(
+ */
+ ifd = open(PPP_DEV_NAME, O_RDWR, 0);
+ if (ifd < 0)
+ fatal("Can't open %s (2): %m", PPP_DEV_NAME);
+ if (kdebugflag & 1) {
+ x = PPPDBG_LOG + PPPDBG_DRIVER;
+ strioctl(ifd, PPPIO_DEBUG, &x, sizeof(int), 0);
+ }
+
+#if defined(INET6) && defined(SOL2)
+ i6fd = open(PPP_DEV_NAME, O_RDWR, 0);
+ if (i6fd < 0) {
+ close(ifd);
+ fatal("Can't open %s (3): %m", PPP_DEV_NAME);
+ }
+ if (kdebugflag & 1) {
+ x = PPPDBG_LOG + PPPDBG_DRIVER;
+ strioctl(i6fd, PPPIO_DEBUG, &x, sizeof(int), 0);
+ }
+#endif /* defined(INET6) && defined(SOL2) */
+
+#if defined(SOL2)
+ if (ioctl(ifd, I_PUSH, IP_MOD_NAME) < 0) {
+ close(ifd);
+#if defined(INET6)
+ close(i6fd);
+#endif /* defined(INET6) */
+ fatal("Can't push IP module: %m");
+ }
+
+ /*
+ * Assign ppa according to the unit number returned by ppp device
+ * after plumbing is completed above.
+ */
+ if (sifppa(ifd, ifunit) < 0) {
+ close (ifd);
+#if defined(INET6)
+ close(i6fd);
+#endif /* defined(INET6) */
+ fatal("Can't set ppa for unit %d: %m", ifunit);
+ }
+
+#if defined(INET6)
+ /*
+ * An IPv6 interface is created anyway, even when the user does not
+ * explicitly enable it. Note that the interface will be marked
+ * IPv6 during slifname().
+ */
+ if (ioctl(i6fd, I_PUSH, IP_MOD_NAME) < 0) {
+ close(ifd);
+ close(i6fd);
+ fatal("Can't push IP module (2): %m");
+ }
+
+ /*
+ * Assign ppa according to the unit number returned by ppp device
+ * after plumbing is completed above. In addition, mark the interface
+ * as an IPv6 interface.
+ */
+ if (slifname(i6fd, ifunit) < 0) {
+ close(ifd);
+ close(i6fd);
+ fatal("Can't set ifname for unit %d: %m", ifunit);
+ }
+#endif /* defined(INET6) */
+
+ ipmuxid = ioctl(ipfd, I_PLINK, ifd);
+ close(ifd);
+ if (ipmuxid < 0) {
+#if defined(INET6)
+ close(i6fd);
+#endif /* defined(INET6) */
+ fatal("Can't I_PLINK PPP device to IP: %m");
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ sprintf(ifr.ifr_name, "%s", ifname);
+ ifr.ifr_ip_muxid = ipmuxid;
+
+ /*
+ * In Sol 8 and later, STREAMS dynamic module plumbing feature exists.
+ * This is so that an arbitrary module can be inserted, or deleted,
+ * between ip module and the device driver without tearing down the
+ * existing stream. Such feature requires the mux ids, which is set
+ * by SIOCSIFMUXID (or SIOCLSIFMUXID).
+ */
+ if (ioctl(ipfd, SIOCSIFMUXID, &ifr) < 0) {
+ ioctl(ipfd, I_PUNLINK, ipmuxid);
+#if defined(INET6)
+ close(i6fd);
+#endif /* defined(INET6) */
+ fatal("SIOCSIFMUXID: %m");
+ }
+
+#else /* else if !defined(SOL2) */
+
+ if (dlpi_attach(ifd, ifunit) < 0 ||
+ dlpi_get_reply(ifd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0) {
+ close(ifd);
+ fatal("Can't attach to ppp%d: %m", ifunit);
+ }
+
+ ipmuxid = ioctl(ipfd, I_LINK, ifd);
+ close(ifd);
+ if (ipmuxid < 0)
+ fatal("Can't link PPP device to IP: %m");
+#endif /* defined(SOL2) */
+
+#if defined(INET6) && defined(SOL2)
+ ip6muxid = ioctl(ip6fd, I_PLINK, i6fd);
+ close(i6fd);
+ if (ip6muxid < 0) {
+ ioctl(ipfd, I_PUNLINK, ipmuxid);
+ fatal("Can't I_PLINK PPP device to IP (2): %m");
+ }
+
+ memset(&lifr, 0, sizeof(lifr));
+ sprintf(lifr.lifr_name, "%s", ifname);
+ lifr.lifr_ip_muxid = ip6muxid;
+
+ /*
+ * Let IP know of the mux id [see comment for SIOCSIFMUXID above]
+ */
+ if (ioctl(ip6fd, SIOCSLIFMUXID, &lifr) < 0) {
+ ioctl(ipfd, I_PUNLINK, ipmuxid);
+ ioctl(ip6fd, I_PUNLINK, ip6muxid);
+ fatal("Can't link PPP device to IP (2): %m");
+ }
+#endif /* defined(INET6) && defined(SOL2) */
+
+#if !defined(SOL2)
+ /* Set the interface name for the link. */
+ slprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "ppp%d", ifunit);
+ ifr.ifr_metric = ipmuxid;
+ if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)
+ fatal("Can't set interface name %s: %m", ifr.ifr_name);
+#endif /* !defined(SOL2) */
+
+ n_pollfds = 0;
+}
+
+/*
+ * 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
+sys_cleanup()
+{
+#if defined(SOL2)
+ struct ifreq ifr;
+#if defined(INET6)
+ struct lifreq lifr;
+#endif /* defined(INET6) */
+#endif /* defined(SOL2) */
+
+#if defined(SOL2) && defined(INET6)
+ if (if6_is_up)
+ sif6down(0);
+#endif /* defined(SOL2) && defined(INET6) */
+ if (if_is_up)
+ sifdown(0);
+ if (default_route_gateway)
+ cifdefaultroute(0, default_route_gateway, default_route_gateway);
+ if (proxy_arp_addr)
+ cifproxyarp(0, proxy_arp_addr);
+#if defined(SOL2)
+ /*
+ * Make sure we ask ip what the muxid, because 'ifconfig modlist' will
+ * unlink and re-link the modules, causing the muxid to change.
+ */
+ memset(&ifr, 0, sizeof(ifr));
+ sprintf(ifr.ifr_name, "%s", ifname);
+ if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
+ error("SIOCGIFFLAGS: %m");
+ return;
+ }
+
+ if (ioctl(ipfd, SIOCGIFMUXID, &ifr) < 0) {
+ error("SIOCGIFMUXID: %m");
+ return;
+ }
+
+ ipmuxid = ifr.ifr_ip_muxid;
+
+ if (ioctl(ipfd, I_PUNLINK, ipmuxid) < 0) {
+ error("Can't I_PUNLINK PPP from IP: %m");
+ return;
+ }
+#if defined(INET6)
+ /*
+ * Make sure we ask ip what the muxid, because 'ifconfig modlist' will
+ * unlink and re-link the modules, causing the muxid to change.
+ */
+ memset(&lifr, 0, sizeof(lifr));
+ sprintf(lifr.lifr_name, "%s", ifname);
+ if (ioctl(ip6fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ error("SIOCGLIFFLAGS: %m");
+ return;
+ }
+
+ if (ioctl(ip6fd, SIOCGLIFMUXID, &lifr) < 0) {
+ error("SIOCGLIFMUXID: %m");
+ return;
+ }
+
+ ip6muxid = lifr.lifr_ip_muxid;
- ipfd = open("/dev/ip", O_RDWR, 0);
- if (ipfd < 0) {
- syslog(LOG_ERR, "Couldn't open IP device: %m");
- die(1);
+ if (ioctl(ip6fd, I_PUNLINK, ip6muxid) < 0) {
+ error("Can't I_PUNLINK PPP from IP (2): %m");
}
+#endif /* defined(INET6) */
+#endif /* defined(SOL2) */
}
+/*
+ * sys_close - Clean up in a child process before execing.
+ */
+void
+sys_close()
+{
+ close(ipfd);
+#if defined(INET6) && defined(SOL2)
+ close(ip6fd);
+#endif /* defined(INET6) && defined(SOL2) */
+ if (pppfd >= 0)
+ close(pppfd);
+}
+
+/*
+ * sys_check_options - check the options that the user specified
+ */
+int
+sys_check_options()
+{
+ return 1;
+}
+
+#if 0
/*
* daemon - Detach us from controlling terminal session.
*/
}
return 0;
}
-
-/*
- * 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));
- }
-}
+#endif
/*
* ppp_available - check whether the system has any ppp interfaces
{
struct stat buf;
- return stat("/dev/ppp", &buf) >= 0;
+ return stat(PPP_DEV_NAME, &buf) >= 0;
}
/*
- * establish_ppp - Turn the serial port into a ppp interface.
+ * any_compressions - see if compression is enabled or not
+ *
+ * In the STREAMS implementation of kernel-portion pppd,
+ * the comp STREAMS module performs the ACFC, PFC, as well
+ * CCP and VJ compressions. However, if the user has explicitly
+ * declare to not enable them from the command line, there is
+ * no point of having the comp module be pushed on the stream.
*/
-void
-establish_ppp()
+static int
+any_compressions()
{
- int i;
-
- pppfd = open("/dev/ppp", O_RDWR | O_NONBLOCK, 0);
- if (pppfd < 0) {
- syslog(LOG_ERR, "Can't open /dev/ppp: %m");
- die(1);
+ if ((!lcp_wantoptions[0].neg_accompression) &&
+ (!lcp_wantoptions[0].neg_pcompression) &&
+ (!ccp_protent.enabled_flag) &&
+ (!ipcp_wantoptions[0].neg_vj)) {
+ return 0;
}
+ return 1;
+}
- /* Assign a new PPA and get its unit number. */
- if (strioctl(pppfd, PPPIO_NEWPPA, &ifunit, 0, sizeof(int)) < 0) {
- syslog(LOG_ERR, "Can't create new PPP interface: %m");
- die(1);
- }
+/*
+ * establish_ppp - Turn the serial port into a ppp interface.
+ */
+int
+establish_ppp(fd)
+ int fd;
+{
+ int i;
/* Pop any existing modules off the tty stream. */
for (i = 0;; ++i)
if (ioctl(fd, I_LOOK, tty_modules[i]) < 0
+ || strcmp(tty_modules[i], "ptem") == 0
|| ioctl(fd, I_POP, 0) < 0)
break;
tty_nmodules = i;
/* Push the async hdlc module and the compressor module. */
- if (ioctl(fd, I_PUSH, "ppp_ahdl") < 0) {
- syslog(LOG_ERR, "Couldn't push PPP Async HDLC module: %m");
- die(1);
+ tty_npushed = 0;
+
+ if(!sync_serial) {
+ if (ioctl(fd, I_PUSH, AHDLC_MOD_NAME) < 0) {
+ error("Couldn't push PPP Async HDLC module: %m");
+ return -1;
+ }
+ ++tty_npushed;
+ }
+ if (kdebugflag & 4) {
+ i = PPPDBG_LOG + PPPDBG_AHDLC;
+ strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
+ }
+ /*
+ * There's no need to push comp module if we don't intend
+ * to compress anything
+ */
+ if (any_compressions()) {
+ if (ioctl(fd, I_PUSH, COMP_MOD_NAME) < 0)
+ error("Couldn't push PPP compression module: %m");
+ else
+ ++tty_npushed;
}
- 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;
+ if (any_compressions())
+ i += 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) {
- syslog(LOG_ERR, "Can't link tty to PPP mux: %m");
- die(1);
+ error("Can't link tty to PPP mux: %m");
+ return -1;
}
+
+ return pppfd;
+}
+
+/*
+ * restore_loop - reattach the ppp unit to the loopback.
+ * This doesn't need to do anything because disestablish_ppp does it.
+ */
+void
+restore_loop()
+{
}
/*
* disestablish_ppp - Restore the serial port to normal operation.
- * This shouldn't call die() because it's called from die().
+ * It attempts to reconstruct the stream with the previously popped
+ * modules. This shouldn't call die() because it's called from die().
*/
void
-disestablish_ppp()
+disestablish_ppp(fd)
+ int fd;
{
int i;
if (fdmuxid >= 0) {
if (ioctl(pppfd, I_UNLINK, fdmuxid) < 0) {
if (!hungup)
- syslog(LOG_ERR, "Can't unlink tty from PPP mux: %m");
+ error("Can't unlink tty from PPP mux: %m");
}
fdmuxid = -1;
if (!hungup) {
- while (ioctl(fd, I_POP, 0) >= 0)
- ;
+ while (tty_npushed > 0 && ioctl(fd, I_POP, 0) >= 0)
+ --tty_npushed;
for (i = tty_nmodules - 1; i >= 0; --i)
if (ioctl(fd, I_PUSH, tty_modules[i]) < 0)
- syslog(LOG_ERR, "Couldn't restore tty module %s: %m",
+ error("Couldn't restore tty module %s: %m",
tty_modules[i]);
}
+ if (hungup && default_device && tty_sid > 0) {
+ /*
+ * If we have received a hangup, we need to send a SIGHUP
+ * to the terminal's controlling process. The reason is
+ * that the original stream head for the terminal hasn't
+ * seen the M_HANGUP message (it went up through the ppp
+ * driver to the stream head for our fd to /dev/ppp).
+ */
+ kill(tty_sid, SIGHUP);
+ }
+ }
+}
+
+/*
+ * Check whether the link seems not to be 8-bit clean.
+ */
+void
+clean_check()
+{
+ int x;
+ char *s;
+
+ if (strioctl(pppfd, PPPIO_GCLEAN, &x, 0, sizeof(x)) < 0)
+ return;
+ s = NULL;
+ switch (~x) {
+ case RCV_B7_0:
+ s = "bit 7 set to 1";
+ break;
+ case RCV_B7_1:
+ s = "bit 7 set to 0";
+ break;
+ case RCV_EVNP:
+ s = "odd parity";
+ break;
+ case RCV_ODDP:
+ s = "even parity";
+ break;
+ }
+ if (s != NULL) {
+ warn("Serial link is not 8-bit clean:");
+ warn("All received characters had %s", s);
}
}
#ifdef B57600
{ 57600, B57600 },
#endif
+#ifdef B76800
+ { 76800, B76800 },
+#endif
#ifdef B115200
{ 115200, B115200 },
+#endif
+#ifdef B153600
+ { 153600, B153600 },
+#endif
+#ifdef B230400
+ { 230400, B230400 },
+#endif
+#ifdef B307200
+ { 307200, B307200 },
+#endif
+#ifdef B460800
+ { 460800, B460800 },
#endif
{ 0, 0 }
};
/*
* 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;
{
int speed;
struct termios tios;
+#if !defined (CRTSCTS)
+ struct termiox tiox;
+#endif
- if (tcgetattr(fd, &tios) < 0) {
- syslog(LOG_ERR, "tcgetattr: %m");
- die(1);
+ if (!sync_serial && tcgetattr(fd, &tios) < 0)
+ fatal("tcgetattr: %m");
+
+#ifndef CRTSCTS
+ termiox_ok = 1;
+ if (!sync_serial && ioctl (fd, TCGETX, &tiox) < 0) {
+ termiox_ok = 0;
+ if (errno != ENOTTY)
+ error("TCGETX: %m");
}
+#endif
- if (!restore_term)
+ if (!restore_term) {
inittermios = tios;
+#ifndef CRTSCTS
+ inittermiox = tiox;
+#endif
+ if (!sync_serial)
+ ioctl(fd, TIOCGWINSZ, &wsinfo);
+ }
tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL);
+#ifdef CRTSCTS
if (crtscts > 0)
tios.c_cflag |= CRTSCTS;
else if (crtscts < 0)
tios.c_cflag &= ~CRTSCTS;
+#else
+ if (crtscts != 0 && !termiox_ok) {
+ error("Can't set RTS/CTS flow control");
+ } else if (crtscts > 0) {
+ tiox.x_hflag |= RTSXOFF|CTSXON;
+ } else if (crtscts < 0) {
+ tiox.x_hflag &= ~(RTSXOFF|CTSXON);
+ }
+#endif
tios.c_cflag |= CS8 | CREAD | HUPCL;
if (local || !modem)
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 0,
* 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) && !sync_serial)
+ 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 (!sync_serial && tcsetattr(fd, TCSAFLUSH, &tios) < 0)
+ fatal("tcsetattr: %m");
+
+#ifndef CRTSCTS
+ if (!sync_serial && termiox_ok && ioctl (fd, TCSETXF, &tiox) < 0){
+ error("TCSETXF: %m");
}
+#endif
baud_rate = inspeed = baud_rate_of(speed);
- restore_term = 1;
+ if (!sync_serial)
+ 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) {
*/
inittermios.c_lflag &= ~(ECHO | ECHONL);
}
- if (tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
+ if (!sync_serial && tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
+ if (!hungup && errno != ENXIO)
+ warn("tcsetattr: %m");
+#ifndef CRTSCTS
+ if (!sync_serial && ioctl (fd, TCSETXF, &inittermiox) < 0){
if (!hungup && errno != ENXIO)
- syslog(LOG_WARNING, "tcsetattr: %m");
+ error("TCSETXF: %m");
+ }
+#endif
+ if (!sync_serial)
+ ioctl(fd, TIOCSWINSZ, &wsinfo);
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;
{
ioctl(fd, (on? TIOCMBIS: TIOCMBIC), &modembits);
}
+/*
+ * open_loopback - open the device we use for getting packets
+ * in demand mode. Under Solaris 2, we use our existing fd
+ * to the ppp driver.
+ */
+int
+open_ppp_loopback()
+{
+ return pppfd;
+}
+
/*
* output - Output PPP packet.
*/
int len;
{
struct strbuf data;
+ int retries;
+ struct pollfd pfd;
- if (debug)
- log_packet(p, len, "sent ");
+ dump_packet("sent", p, len);
+ if (snoop_send_hook) snoop_send_hook(p, len);
data.len = len;
data.buf = (caddr_t) p;
- if (putmsg(pppfd, NULL, &data, 0) < 0) {
- if (errno != ENXIO) {
- syslog(LOG_ERR, "Couldn't send packet: %m");
- die(1);
+ retries = 4;
+ while (putmsg(pppfd, NULL, &data, 0) < 0) {
+ if (--retries < 0 || (errno != EWOULDBLOCK && errno != EAGAIN)) {
+ if (errno != ENXIO)
+ error("Couldn't send packet: %m");
+ break;
}
+ pfd.fd = pppfd;
+ pfd.events = POLLOUT;
+ poll(&pfd, 1, 250); /* wait for up to 0.25 seconds */
}
}
+
/*
- * wait_input - wait until there is data available on fd,
+ * wait_input - wait until there is data available,
* for the length of time specified by *timo (indefinite
* if timo is NULL).
*/
+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 = pppfd;
- 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;
+ }
}
}
+#if 0
+/*
+ * wait_loop_output - wait until there is data available on the
+ * loopback, for the length of time specified by *timo (indefinite
+ * if timo is NULL).
+ */
+void
+wait_loop_output(timo)
+ struct timeval *timo;
+{
+ wait_input(timo);
+}
+
+/*
+ * wait_time - wait for a given length of time or until a
+ * signal is received.
+ */
+void
+wait_time(timo)
+ struct timeval *timo;
+{
+ int n;
+
+ n = select(0, NULL, NULL, NULL, timo);
+ if (n < 0 && errno != EINTR)
+ fatal("select: %m");
+}
+#endif
+
+
/*
* read_packet - get a PPP packet from the serial device.
*/
flags = 0;
len = getmsg(pppfd, &ctrl, &data, &flags);
if (len < 0) {
- if (errno = EAGAIN || errno == EINTR)
+ if (errno == EAGAIN || errno == EINTR)
return -1;
- syslog(LOG_ERR, "Error reading packet: %m");
- die(1);
+ fatal("Error reading packet: %m");
}
if (ctrl.len <= 0)
/*
* Got a M_PROTO or M_PCPROTO message. Interpret it
- * as a DLPI primitive.
+ * as a DLPI primitive??
*/
if (debug)
- syslog(LOG_DEBUG, "got dlpi prim 0x%x, len=%d",
+ dbglog("got dlpi prim 0x%x, len=%d",
((union DL_primitives *)ctrlbuf)->dl_primitive, ctrl.len);
}
}
+/*
+ * get_loop_output - get outgoing packets from the ppp device,
+ * and detect when we want to bring the real link up.
+ * Return value is 1 if we need to bring up the link, 0 otherwise.
+ */
+int
+get_loop_output()
+{
+ int len;
+ int rv = 0;
+
+ while ((len = read_packet(inpacket_buf)) > 0) {
+ if (loop_frame(inpacket_buf, len))
+ rv = 1;
+ }
+ return rv;
+}
+
/*
* ppp_send_config - configure the transmit characteristics of
* the ppp interface.
int pcomp, accomp;
{
int cf[2];
+ struct ifreq ifr;
+#if defined(INET6) && defined(SOL2)
+ struct lifreq lifr;
+ int fd;
+#endif /* defined(INET6) && defined(SOL2) */
link_mtu = mtu;
if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) {
if (hungup && errno == ENXIO)
return;
- syslog(LOG_ERR, "Couldn't set MTU: %m");
+ error("Couldn't set MTU: %m");
+ }
+ if (fdmuxid >= 0) {
+ if (!sync_serial) {
+ if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
+ error("Couldn't set transmit ACCM: %m");
+ }
+ }
+ cf[0] = (pcomp? COMP_PROT: 0) + (accomp? COMP_AC: 0);
+ cf[1] = COMP_PROT | COMP_AC;
+ if (any_compressions() &&
+ strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
+ error("Couldn't set prot/AC compression: %m");
+ }
}
- if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
- syslog(LOG_ERR, "Couldn't set transmit ACCM: %m");
+
+ /* set the MTU for IP as well */
+ memset(&ifr, 0, sizeof(ifr));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ ifr.ifr_metric = link_mtu;
+ if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
+ error("Couldn't set IP MTU: %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 defined(INET6) && defined(SOL2)
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0)
+ error("Couldn't open IPv6 socket: %m");
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ lifr.lifr_mtu = link_mtu;
+ if (ioctl(fd, SIOCSLIFMTU, &lifr) < 0) {
+ close(fd);
+ error("Couldn't set IPv6 MTU: %m");
}
+ close(fd);
+#endif /* defined(INET6) && defined(SOL2) */
}
/*
int unit;
ext_accm accm;
{
- if (strioctl(pppfd, PPPIO_XACCM, accm, sizeof(ext_accm), 0) < 0) {
+ if (sync_serial)
+ return;
+
+ 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");
+ warn("Couldn't set extended ACCM: %m");
}
}
if (strioctl(pppfd, PPPIO_MRU, &mru, sizeof(mru), 0) < 0) {
if (hungup && errno == ENXIO)
return;
- syslog(LOG_ERR, "Couldn't set MRU: %m");
+ error("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) {
+ if (!sync_serial) {
+ if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
+ error("Couldn't set receive ACCM: %m");
+ }
+ }
+ cf[0] = (pcomp? DECOMP_PROT: 0) + (accomp? DECOMP_AC: 0);
+ cf[1] = DECOMP_PROT | DECOMP_AC;
+ if (any_compressions() &&
+ strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
+ error("Couldn't set prot/AC decompression: %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;
{
- return strioctl(pppfd, (for_transmit? PPPIO_XCOMP: PPPIO_RCOMP),
- opt_ptr, opt_len, 0) >= 0;
+ if (strioctl(pppfd, (for_transmit? PPPIO_XCOMP: PPPIO_RCOMP),
+ opt_ptr, opt_len, 0) >= 0)
+ return 1;
+ return (errno == ENOSR)? 0: -1;
+}
+
+/*
+ * ccp_flags_set - inform kernel about the current state of CCP.
+ */
+void
+ccp_flags_set(unit, isopen, isup)
+ int unit, isopen, isup;
+{
+ int cf[2];
+
+ cf[0] = (isopen? CCP_ISOPEN: 0) + (isup? CCP_ISUP: 0);
+ cf[1] = CCP_ISOPEN | CCP_ISUP | CCP_ERROR | CCP_FATALERROR;
+ if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
+ if (!hungup || errno != ENXIO)
+ error("Couldn't set kernel CCP state: %m");
+ }
+}
+
+/*
+ * get_idle_time - return how long the link has been idle.
+ */
+int
+get_idle_time(u, ip)
+ int u;
+ struct ppp_idle *ip;
+{
+ return strioctl(pppfd, PPPIO_GIDLE, ip, 0, sizeof(struct ppp_idle)) >= 0;
+}
+
+/*
+ * get_ppp_stats - return statistics for the link.
+ */
+int
+get_ppp_stats(u, stats)
+ int u;
+ struct pppd_stats *stats;
+{
+ struct ppp_stats s;
+
+ if (!sync_serial &&
+ strioctl(pppfd, PPPIO_GETSTAT, &s, 0, sizeof(s)) < 0) {
+ error("Couldn't get link statistics: %m");
+ return 0;
+ }
+ stats->bytes_in = s.p.ppp_ibytes;
+ stats->bytes_out = s.p.ppp_obytes;
+ return 1;
}
+#if 0
/*
- * ccp_flags_set - inform kernel about the current state of CCP.
+ * set_filters - transfer the pass and active filters to the kernel.
*/
-void
-ccp_flags_set(unit, isopen, isup)
- int unit, isopen, isup;
+int
+set_filters(pass, active)
+ struct bpf_program *pass, *active;
{
- int cf[2];
+ int ret = 1;
- cf[0] = (isopen? CCP_ISOPEN: 0) + (isup? CCP_ISUP: 0);
- cf[1] = CCP_ISOPEN | CCP_ISUP | CCP_ERROR | CCP_FATALERROR;
- if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- if (!hungup || errno != ENXIO)
- syslog(LOG_ERR, "Couldn't set kernel CCP state: %m");
+ if (pass->bf_len > 0) {
+ if (strioctl(pppfd, PPPIO_PASSFILT, pass,
+ sizeof(struct bpf_program), 0) < 0) {
+ error("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) {
+ error("Couldn't set active-filter in kernel: %m");
+ ret = 0;
+ }
}
+ return ret;
}
+#endif
/*
* ccp_fatal_error - returns 1 if decompression was disabled as a
cf[0] = cf[1] = 0;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
if (errno != ENXIO && errno != EINVAL)
- syslog(LOG_ERR, "Couldn't get compression flags: %m");
+ error("Couldn't get compression flags: %m");
return 0;
}
return cf[0] & CCP_FATALERROR;
maxcid[0] = xcidcomp;
maxcid[1] = 15; /* XXX should be rmaxcid */
if (strioctl(pppfd, PPPIO_VJINIT, maxcid, sizeof(maxcid), 0) < 0) {
- syslog(LOG_ERR, "Couldn't initialize VJ compression: %m");
+ error("Couldn't initialize VJ compression: %m");
}
}
cf[1] = COMP_VJC + DECOMP_VJC + COMP_VJCCID + DECOMP_VJCCID;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
if (vjcomp)
- syslog(LOG_ERR, "Couldn't enable VJ compression: %m");
+ error("Couldn't enable VJ compression: %m");
}
return 1;
{
struct ifreq ifr;
- if (ipmuxid < 0) {
- syslog(LOG_DEBUG, "sifup: not plumbed!");
- return 0;
- }
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface up (get): %m");
+ error("Couldn't mark interface up (get): %m");
return 0;
}
ifr.ifr_flags |= IFF_UP;
if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface up (set): %m");
+ error("Couldn't mark interface up (set): %m");
return 0;
}
+ if_is_up = 1;
return 1;
}
if (ipmuxid < 0)
return 1;
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface down (get): %m");
+ error("Couldn't mark interface down (get): %m");
return 0;
}
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface down (set): %m");
+ error("Couldn't mark interface down (set): %m");
return 0;
}
+ if_is_up = 0;
return 1;
}
-#define INET_ADDR(x) (((struct sockaddr_in *) &(x))->sin_addr.s_addr)
+/*
+ * sifnpmode - Set the mode for handling packets for a given NP.
+ */
+int
+sifnpmode(u, proto, mode)
+ int u;
+ int proto;
+ enum NPmode mode;
+{
+ int npi[2];
+
+ npi[0] = proto;
+ npi[1] = (int) mode;
+ if (strioctl(pppfd, PPPIO_NPMODE, &npi, 2 * sizeof(int), 0) < 0) {
+ error("ioctl(set NP %d mode to %d): %m", proto, mode);
+ return 0;
+ }
+ return 1;
+}
+#if defined(SOL2) && defined(INET6)
/*
- * sifaddr - Config the interface IP addresses and netmask.
+ * sif6up - Config the IPv6 interface up and enable IPv6 packets to pass.
*/
int
-sifaddr(u, o, h, m)
+sif6up(u)
int u;
- u_int32_t o, h, m;
{
+ struct lifreq lifr;
int fd;
- struct ifreq ifr;
- fd = open("/dev/ppp", O_RDWR, 0);
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
if (fd < 0) {
- syslog(LOG_ERR, "Can't open /dev/ppp (2): %m");
- die(1);
+ return 0;
+ }
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
}
- if (ioctl(fd, I_PUSH, "ip") < 0) {
- syslog(LOG_ERR, "Can't push IP module: %m");
+
+ lifr.lifr_flags |= IFF_UP;
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCSLIFFLAGS, &lifr) < 0) {
close(fd);
return 0;
}
- ipmuxid = ioctl(ipfd, I_LINK, fd);
+
+ if6_is_up = 1;
close(fd);
- if (ipmuxid < 0) {
- syslog(LOG_ERR, "Can't link PPP device to IP: %m");
+ return 1;
+}
+
+/*
+ * sifdown - Config the IPv6 interface down and disable IPv6.
+ */
+int
+sif6down(u)
+ int u;
+{
+ struct lifreq lifr;
+ int fd;
+
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0)
+ return 0;
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ lifr.lifr_flags &= ~IFF_UP;
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ if6_is_up = 0;
+ close(fd);
+ return 1;
+}
+
+/*
+ * sif6addr - Config the interface with an IPv6 link-local address
+ */
+int
+sif6addr(u, o, h)
+ int u;
+ eui64_t o, h;
+{
+ struct lifreq lifr;
+ struct sockaddr_storage laddr;
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&laddr;
+ int fd;
+
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0)
+ return 0;
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+
+ /*
+ * Do this because /dev/ppp responds to DL_PHYS_ADDR_REQ with
+ * zero values, hence the interface token came to be zero too,
+ * and without this, in.ndpd will complain
+ */
+ IN6_LLTOKEN_FROM_EUI64(lifr, sin6, o);
+ if (ioctl(fd, SIOCSLIFTOKEN, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ /*
+ * Set the interface address and destination address
+ */
+ IN6_LLADDR_FROM_EUI64(lifr, sin6, o);
+ if (ioctl(fd, SIOCSLIFADDR, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ IN6_LLADDR_FROM_EUI64(lifr, sin6, h);
+ if (ioctl(fd, SIOCSLIFDSTADDR, &lifr) < 0) {
+ close(fd);
return 0;
}
+ return 1;
+}
+
+/*
+ * cif6addr - Remove the IPv6 address from interface
+ */
+int
+cif6addr(u, o, h)
+ int u;
+ eui64_t o, h;
+{
+ return 1;
+}
+
+#endif /* defined(SOL2) && defined(INET6) */
+
+
+#define INET_ADDR(x) (((struct sockaddr_in *) &(x))->sin_addr.s_addr)
+
+/*
+ * sifaddr - Config the interface IP addresses and netmask.
+ */
+int
+sifaddr(u, o, h, m)
+ int u;
+ u_int32_t o, h, m;
+{
+ struct ifreq ifr;
+ int ret = 1;
+
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ strlcpy(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) {
+ error("Couldn't set IP netmask: %m");
+ ret = 0;
+ }
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");
+ error("Couldn't set local IP address: %m");
+ ret = 0;
+ }
+
+ /*
+ * On some systems, we have to explicitly set the point-to-point
+ * flag bit before we can set a destination address.
+ */
+ if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) >= 0
+ && (ifr.ifr_flags & IFF_POINTOPOINT) == 0) {
+ ifr.ifr_flags |= IFF_POINTOPOINT;
+ if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
+ error("Couldn't mark interface pt-to-pt: %m");
+ ret = 0;
+ }
}
ifr.ifr_dstaddr.sa_family = AF_INET;
INET_ADDR(ifr.ifr_dstaddr) = h;
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");
+ error("Couldn't set remote IP address: %m");
+ ret = 0;
}
+#if 0 /* now done in ppp_send_config */
ifr.ifr_metric = link_mtu;
if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't set IP MTU: %m");
+ error("Couldn't set IP MTU: %m");
}
+#endif
- return 1;
+ remote_addr = h;
+ return ret;
}
/*
int u;
u_int32_t o, h;
{
+#if defined(__USLC__) /* was: #if 0 */
+ cifroute(unit, ouraddr, hisaddr);
if (ipmuxid >= 0) {
+ notice("Removing ppp interface unit");
if (ioctl(ipfd, I_UNLINK, ipmuxid) < 0) {
- syslog(LOG_ERR, "Can't remove ppp interface unit: %m");
+ error("Can't remove ppp interface unit: %m");
return 0;
}
ipmuxid = -1;
}
+#endif
+ remote_addr = 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 rtentry rt;
+#if defined(__USLC__)
+ g = l; /* use the local address as gateway */
+#endif
+ 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;
rt.rt_flags = RTF_GATEWAY;
if (ioctl(ipfd, SIOCADDRT, &rt) < 0) {
- syslog(LOG_ERR, "Can't add default route: %m");
+ error("Can't add default route: %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 rtentry rt;
+#if defined(__USLC__)
+ g = l; /* use the local address as gateway */
+#endif
+ 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;
rt.rt_flags = RTF_GATEWAY;
if (ioctl(ipfd, SIOCDELRT, &rt) < 0) {
- syslog(LOG_ERR, "Can't delete default route: %m");
+ error("Can't delete default route: %m");
return 0;
}
+ default_route_gateway = 0;
return 1;
}
INET_ADDR(arpreq.arp_pa) = hisaddr;
arpreq.arp_flags = ATF_PERM | ATF_PUBL;
if (ioctl(ipfd, SIOCSARP, (caddr_t) &arpreq) < 0) {
- syslog(LOG_ERR, "Couldn't set proxy ARP entry: %m");
+ error("Couldn't set proxy ARP entry: %m");
return 0;
}
+ proxy_arp_addr = hisaddr;
return 1;
}
arpreq.arp_pa.sa_family = AF_INET;
INET_ADDR(arpreq.arp_pa) = hisaddr;
if (ioctl(ipfd, SIOCDARP, (caddr_t)&arpreq) < 0) {
- syslog(LOG_ERR, "Couldn't delete proxy ARP entry: %m");
+ error("Couldn't delete proxy ARP entry: %m");
return 0;
}
+ proxy_arp_addr = 0;
return 1;
}
*/
#define MAX_IFS 32
-int
+static int
get_ether_addr(ipaddr, hwaddr)
u_int32_t ipaddr;
struct sockaddr *hwaddr;
/*
* Scan through the system's network interfaces.
*/
+#ifdef SIOCGIFNUM
if (ioctl(ipfd, SIOCGIFNUM, &nif) < 0)
+#endif
nif = MAX_IFS;
ifc.ifc_len = nif * sizeof(struct ifreq);
- ifc.ifc_req = alloca(ifc.ifc_len);
- if (ifc.ifc_req == 0)
+ ifc.ifc_buf = (caddr_t) malloc(ifc.ifc_len);
+ if (ifc.ifc_buf == 0)
return 0;
if (ioctl(ipfd, SIOCGIFCONF, &ifc) < 0) {
- syslog(LOG_WARNING, "Couldn't get system interface list: %m");
+ warn("Couldn't get system interface list: %m");
+ free(ifc.ifc_buf);
return 0;
}
ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
/*
* 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(ipfd, SIOCGIFFLAGS, &ifreq) < 0)
continue;
if ((ifreq.ifr_flags &
}
if (ifr >= ifend) {
- syslog(LOG_WARNING, "No suitable interface found for proxy ARP");
+ warn("No suitable interface found for proxy ARP");
+ free(ifc.ifc_buf);
return 0;
}
- syslog(LOG_INFO, "found interface %s for proxy ARP", ifr->ifr_name);
- if (!get_hw_addr(ifr->ifr_name, hwaddr)) {
- syslog(LOG_ERR, "Couldn't get hardware address for %s", ifr->ifr_name);
+ info("found interface %s for proxy ARP", ifr->ifr_name);
+ if (!get_hw_addr(ifr->ifr_name, ina, hwaddr)) {
+ error("Couldn't get hardware address for %s", ifr->ifr_name);
+ free(ifc.ifc_buf);
return 0;
}
+ free(ifc.ifc_buf);
return 1;
}
/*
- * get_hw_addr - obtain the hardware address for a named interface.
+ * get_hw_addr_dlpi - obtain the hardware address using DLPI
*/
-int
-get_hw_addr(name, hwaddr)
+static int
+get_hw_addr_dlpi(name, hwaddr)
char *name;
struct sockaddr *hwaddr;
{
* We have to open the device and ask it for its hardware address.
* First split apart the device name and unit.
*/
- strcpy(ifdev, "/dev/");
- q = ifdev + 5; /* strlen("/dev/") */
- while (*name != 0 && !isdigit(*name))
- *q++ = *name++;
- *q = 0;
- unit = atoi(name);
+ slprintf(ifdev, sizeof(ifdev), "/dev/%s", name);
+ for (q = ifdev + strlen(ifdev); --q >= ifdev; )
+ if (!isdigit(*q))
+ break;
+ unit = atoi(q+1);
+ q[1] = 0;
/*
* Open the device and do a DLPI attach and phys_addr_req.
*/
iffd = open(ifdev, O_RDWR);
if (iffd < 0) {
- syslog(LOG_ERR, "Can't open %s: %m", ifdev);
+ error("Can't open %s: %m", ifdev);
return 0;
}
if (dlpi_attach(iffd, unit) < 0
|| dlpi_get_reply(iffd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0
- || dlpi_phys_addr_req(iffd) < 0
- || dlpi_get_reply(iffd, &reply.prim, DL_PHYS_ADDR_ACK,
- sizeof(reply)) < 0) {
+ || dlpi_info_req(iffd) < 0
+ || dlpi_get_reply(iffd, &reply.prim, DL_INFO_ACK, sizeof(reply)) < 0) {
close(iffd);
return 0;
}
+ adrlen = reply.prim.info_ack.dl_addr_length;
+ adrp = (unsigned char *)&reply + reply.prim.info_ack.dl_addr_offset;
+
+#if DL_CURRENT_VERSION >= 2
+ if (reply.prim.info_ack.dl_sap_length < 0)
+ adrlen += reply.prim.info_ack.dl_sap_length;
+ else
+ adrp += reply.prim.info_ack.dl_sap_length;
+#endif
+
hwaddr->sa_family = AF_UNSPEC;
- adrlen = reply.prim.physaddr_ack.dl_addr_length;
- adrp = (unsigned char *)&reply + reply.prim.physaddr_ack.dl_addr_offset;
memcpy(hwaddr->sa_data, adrp, adrlen);
return 1;
}
+/*
+ * get_hw_addr - obtain the hardware address for a named interface.
+ */
+static int
+get_hw_addr(name, ina, hwaddr)
+ char *name;
+ u_int32_t ina;
+ struct sockaddr *hwaddr;
+{
+ /* New way - get the address by doing an arp request. */
+ int s;
+ struct arpreq req;
+
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ return 0;
+ memset(&req, 0, sizeof(req));
+ req.arp_pa.sa_family = AF_INET;
+ INET_ADDR(req.arp_pa) = ina;
+ if (ioctl(s, SIOCGARP, &req) < 0) {
+ error("Couldn't get ARP entry for %s: %m", ip_ntoa(ina));
+ return 0;
+ }
+ *hwaddr = req.arp_ha;
+ hwaddr->sa_family = AF_UNSPEC;
+
+ return 1;
+}
-int
+static int
dlpi_attach(fd, ppa)
int fd, ppa;
{
return putmsg(fd, &buf, NULL, RS_HIPRI);
}
-int
-dlpi_phys_addr_req(fd)
+static int
+dlpi_info_req(fd)
int fd;
{
- dl_phys_addr_req_t req;
+ dl_info_req_t req;
struct strbuf buf;
- req.dl_primitive = DL_PHYS_ADDR_REQ;
- req.dl_addr_type = DL_CURR_PHYS_ADDR;
+ req.dl_primitive = DL_INFO_REQ;
buf.len = sizeof(req);
buf.buf = (void *) &req;
return putmsg(fd, &buf, NULL, RS_HIPRI);
}
-int
+static int
dlpi_get_reply(fd, reply, expected_prim, maxlen)
union DL_primitives *reply;
int fd, expected_prim, maxlen;
if (buf.len < sizeof(ulong)) {
if (debug)
- syslog(LOG_DEBUG, "dlpi response short (len=%d)\n", buf.len);
+ dbglog("dlpi response short (len=%d)\n", buf.len);
return -1;
}
if (debug) {
if (reply->dl_primitive == DL_ERROR_ACK) {
- syslog(LOG_DEBUG, "dlpi error %d (unix errno %d) for prim %x\n",
+ dbglog("dlpi error %d (unix errno %d) for prim %x\n",
reply->error_ack.dl_errno, reply->error_ack.dl_unix_errno,
reply->error_ack.dl_error_primitive);
} else {
- syslog(LOG_DEBUG, "dlpi unexpected response prim %x\n",
+ dbglog("dlpi unexpected response prim %x\n",
reply->dl_primitive);
}
}
/*
* Scan through the system's network interfaces.
*/
+#ifdef SIOCGIFNUM
if (ioctl(ipfd, SIOCGIFNUM, &nif) < 0)
+#endif
nif = MAX_IFS;
ifc.ifc_len = nif * sizeof(struct ifreq);
- ifc.ifc_req = alloca(ifc.ifc_len);
- if (ifc.ifc_req == 0)
+ ifc.ifc_buf = (caddr_t) malloc(ifc.ifc_len);
+ if (ifc.ifc_buf == 0)
return mask;
if (ioctl(ipfd, SIOCGIFCONF, &ifc) < 0) {
- syslog(LOG_WARNING, "Couldn't get system interface list: %m");
+ warn("Couldn't get system interface list: %m");
+ free(ifc.ifc_buf);
return mask;
}
ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
/*
* 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(ipfd, SIOCGIFFLAGS, &ifreq) < 0)
continue;
if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
mask |= INET_ADDR(ifreq.ifr_addr);
}
+ free(ifc.ifc_buf);
return mask;
}
/*
* logwtmp - write an accounting record to the /var/adm/wtmp file.
*/
-int
+void
logwtmp(line, name, host)
- char *line, *name, *host;
+ const char *line, *name, *host;
{
+ static struct utmpx utmpx;
+
+ if (name[0] != 0) {
+ /* logging in */
+ strncpy(utmpx.ut_user, name, sizeof(utmpx.ut_user));
+ strncpy(utmpx.ut_id, ifname, sizeof(utmpx.ut_id));
+ strncpy(utmpx.ut_line, line, sizeof(utmpx.ut_line));
+ utmpx.ut_pid = getpid();
+ utmpx.ut_type = USER_PROCESS;
+ } else {
+ utmpx.ut_type = DEAD_PROCESS;
+ }
+ gettimeofday(&utmpx.ut_tv, NULL);
+ updwtmpx("/var/adm/wtmpx", &utmpx);
}
/*
- * gethostid - return the serial number of this machine.
+ * get_host_seed - return the serial number of this machine.
*/
int
-gethostid()
+get_host_seed()
{
char buf[32];
if (sysinfo(SI_HW_SERIAL, buf, sizeof(buf)) < 0) {
- syslog(LOG_ERR, "sysinfo: %m");
+ error("sysinfo: %m");
return 0;
}
- return strtol(buf, NULL, 16);
+ return (int) strtoul(buf, NULL, 16);
}
-int
+static int
strioctl(fd, cmd, ptr, ilen, olen)
int fd, cmd, ilen, olen;
- char *ptr;
+ void *ptr;
{
struct strioctl str;
if (ioctl(fd, I_STR, &str) == -1)
return -1;
if (str.ic_len != olen)
- syslog(LOG_DEBUG, "strioctl: expected %d bytes, got %d for cmd %x\n",
+ dbglog("strioctl: expected %d bytes, got %d for cmd %x\n",
olen, str.ic_len, cmd);
return 0;
}
+#if 0
+/*
+ * lock - create a lock file for the named lock device
+ */
+
+#define LOCK_PREFIX "/var/spool/locks/LK."
+static char lock_file[40]; /* name of lock file created */
+
int
lock(dev)
char *dev;
{
+ int n, fd, pid;
+ struct stat sbuf;
+ char ascii_pid[12];
+
+ if (stat(dev, &sbuf) < 0) {
+ error("Can't get device number for %s: %m", dev);
+ return -1;
+ }
+ if ((sbuf.st_mode & S_IFMT) != S_IFCHR) {
+ error("Can't lock %s: not a character device", dev);
+ return -1;
+ }
+ slprintf(lock_file, sizeof(lock_file), "%s%03d.%03d.%03d",
+ LOCK_PREFIX, major(sbuf.st_dev),
+ major(sbuf.st_rdev), minor(sbuf.st_rdev));
+
+ while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
+ if (errno == EEXIST
+ && (fd = open(lock_file, O_RDONLY, 0)) >= 0) {
+ /* Read the lock file to find out who has the device locked */
+ n = read(fd, ascii_pid, 11);
+ if (n <= 0) {
+ error("Can't read pid from lock file %s", lock_file);
+ close(fd);
+ } else {
+ ascii_pid[n] = 0;
+ pid = atoi(ascii_pid);
+ if (pid > 0 && kill(pid, 0) == -1 && errno == ESRCH) {
+ /* pid no longer exists - remove the lock file */
+ if (unlink(lock_file) == 0) {
+ close(fd);
+ notice("Removed stale lock on %s (pid %d)",
+ dev, pid);
+ continue;
+ } else
+ warn("Couldn't remove stale lock on %s",
+ dev);
+ } else
+ notice("Device %s is locked by pid %d",
+ dev, pid);
+ }
+ close(fd);
+ } else
+ error("Can't create lock file %s: %m", lock_file);
+ lock_file[0] = 0;
+ return -1;
+ }
+
+ slprintf(ascii_pid, sizeof(ascii_pid), "%10d\n", getpid());
+ write(fd, ascii_pid, 11);
+
+ close(fd);
return 1;
}
-int
+/*
+ * unlock - remove our lockfile
+ */
+void
unlock()
{
+ if (lock_file[0]) {
+ unlink(lock_file);
+ lock_file[0] = 0;
+ }
+}
+#endif
+
+/*
+ * cifroute - delete a route through the addresses given.
+ */
+int
+cifroute(u, our, his)
+ int u;
+ u_int32_t our, his;
+{
+ struct rtentry rt;
+
+ memset(&rt, 0, sizeof(rt));
+ rt.rt_dst.sa_family = AF_INET;
+ INET_ADDR(rt.rt_dst) = his;
+ rt.rt_gateway.sa_family = AF_INET;
+ INET_ADDR(rt.rt_gateway) = our;
+ rt.rt_flags = RTF_HOST;
+
+ if (ioctl(ipfd, SIOCDELRT, &rt) < 0) {
+ error("Can't delete route: %m");
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+ * have_route_to - determine if the system has a route to the specified
+ * IP address. Returns 0 if not, 1 if so, -1 if we can't tell.
+ * `addr' is in network byte order.
+ * For demand mode to work properly, we have to ignore routes
+ * through our own interface.
+ */
+#ifndef T_CURRENT /* needed for Solaris 2.5 */
+#define T_CURRENT MI_T_CURRENT
+#endif
+
+int
+have_route_to(addr)
+ u_int32_t addr;
+{
+#ifdef SOL2
+ int fd, r, flags, i;
+ struct {
+ struct T_optmgmt_req req;
+ struct opthdr hdr;
+ } req;
+ union {
+ struct T_optmgmt_ack ack;
+ unsigned char space[64];
+ } ack;
+ struct opthdr *rh;
+ struct strbuf cbuf, dbuf;
+ int nroutes;
+ mib2_ipRouteEntry_t routes[8];
+ mib2_ipRouteEntry_t *rp;
+
+ fd = open(mux_dev_name, O_RDWR);
+ if (fd < 0) {
+ warn("have_route_to: couldn't open %s: %m", mux_dev_name);
+ return -1;
+ }
+
+ req.req.PRIM_type = T_OPTMGMT_REQ;
+ req.req.OPT_offset = (char *) &req.hdr - (char *) &req;
+ req.req.OPT_length = sizeof(req.hdr);
+ req.req.MGMT_flags = T_CURRENT;
+
+ req.hdr.level = MIB2_IP;
+ req.hdr.name = 0;
+ req.hdr.len = 0;
+
+ cbuf.buf = (char *) &req;
+ cbuf.len = sizeof(req);
+
+ if (putmsg(fd, &cbuf, NULL, 0) == -1) {
+ warn("have_route_to: putmsg: %m");
+ close(fd);
+ return -1;
+ }
+
+ for (;;) {
+ cbuf.buf = (char *) &ack;
+ cbuf.maxlen = sizeof(ack);
+ dbuf.buf = (char *) routes;
+ dbuf.maxlen = sizeof(routes);
+ flags = 0;
+ r = getmsg(fd, &cbuf, &dbuf, &flags);
+ if (r == -1) {
+ warn("have_route_to: getmsg: %m");
+ close(fd);
+ return -1;
+ }
+
+ if (cbuf.len < sizeof(struct T_optmgmt_ack)
+ || ack.ack.PRIM_type != T_OPTMGMT_ACK
+ || ack.ack.MGMT_flags != T_SUCCESS
+ || ack.ack.OPT_length < sizeof(struct opthdr)) {
+ dbglog("have_route_to: bad message len=%d prim=%d",
+ cbuf.len, ack.ack.PRIM_type);
+ close(fd);
+ return -1;
+ }
+
+ rh = (struct opthdr *) ((char *)&ack + ack.ack.OPT_offset);
+ if (rh->level == 0 && rh->name == 0)
+ break;
+ if (rh->level != MIB2_IP || rh->name != MIB2_IP_21) {
+ while (r == MOREDATA)
+ r = getmsg(fd, NULL, &dbuf, &flags);
+ continue;
+ }
+
+ for (;;) {
+ nroutes = dbuf.len / sizeof(mib2_ipRouteEntry_t);
+ for (rp = routes, i = 0; i < nroutes; ++i, ++rp) {
+ if (rp->ipRouteMask != ~0) {
+ dbglog("have_route_to: dest=%x gw=%x mask=%x\n",
+ rp->ipRouteDest, rp->ipRouteNextHop,
+ rp->ipRouteMask);
+ if (((addr ^ rp->ipRouteDest) & rp->ipRouteMask) == 0
+ && rp->ipRouteNextHop != remote_addr)
+ return 1;
+ }
+ }
+ if (r == 0)
+ break;
+ r = getmsg(fd, NULL, &dbuf, &flags);
+ }
+ }
+ close(fd);
+ return 0;
+#else
+ return -1;
+#endif /* SOL2 */
+}
+
+/*
+ * get_pty - get a pty master/slave pair and chown the slave side to
+ * the uid given. Assumes slave_name points to MAXPATHLEN bytes of space.
+ */
+int
+get_pty(master_fdp, slave_fdp, slave_name, uid)
+ int *master_fdp;
+ int *slave_fdp;
+ char *slave_name;
+ int uid;
+{
+ int mfd, sfd;
+ char *pty_name;
+ struct termios tios;
+
+ mfd = open("/dev/ptmx", O_RDWR);
+ if (mfd < 0) {
+ error("Couldn't open pty master: %m");
+ return 0;
+ }
+
+ pty_name = ptsname(mfd);
+ if (pty_name == NULL) {
+ error("Couldn't get name of pty slave");
+ close(mfd);
+ return 0;
+ }
+ if (chown(pty_name, uid, -1) < 0)
+ warn("Couldn't change owner of pty slave: %m");
+ if (chmod(pty_name, S_IRUSR | S_IWUSR) < 0)
+ warn("Couldn't change permissions on pty slave: %m");
+ if (unlockpt(mfd) < 0)
+ warn("Couldn't unlock pty slave: %m");
+
+ sfd = open(pty_name, O_RDWR);
+ if (sfd < 0) {
+ error("Couldn't open pty slave %s: %m", pty_name);
+ close(mfd);
+ return 0;
+ }
+ if (ioctl(sfd, I_PUSH, "ptem") < 0)
+ warn("Couldn't push ptem module on pty slave: %m");
+
+ dbglog("Using %s", pty_name);
+ strlcpy(slave_name, pty_name, MAXPATHLEN);
+ *master_fdp = mfd;
+ *slave_fdp = sfd;
+
return 1;
}