2 * System-dependent procedures for pppd under Solaris 2.
4 * Parts re-written by Adi Masputra <adi.masputra@sun.com>, based on
5 * the original sys-svr4.c
7 * Copyright (c) 2000 by Sun Microsystems, Inc.
10 * Permission to use, copy, modify, and distribute this software and its
11 * documentation is hereby granted, provided that the above copyright
12 * notice appears in all copies.
14 * SUN MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY OF
15 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
16 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
17 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
18 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
19 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
21 * Copyright (c) 1995-2002 Paul Mackerras. All rights reserved.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
30 * 2. The name(s) of the authors of this software must not be used to
31 * endorse or promote products derived from this software without
32 * prior written permission.
34 * 3. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by Paul Mackerras
37 * <paulus@samba.org>".
39 * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
40 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
41 * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
42 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
43 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
44 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
45 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
47 * Derived from main.c and pppd.h, which are:
49 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
51 * Redistribution and use in source and binary forms, with or without
52 * modification, are permitted provided that the following conditions
55 * 1. Redistributions of source code must retain the above copyright
56 * notice, this list of conditions and the following disclaimer.
58 * 2. Redistributions in binary form must reproduce the above copyright
59 * notice, this list of conditions and the following disclaimer in
60 * the documentation and/or other materials provided with the
63 * 3. The name "Carnegie Mellon University" must not be used to
64 * endorse or promote products derived from this software without
65 * prior written permission. For permission or any legal
66 * details, please contact
67 * Office of Technology Transfer
68 * Carnegie Mellon University
70 * Pittsburgh, PA 15213-3890
71 * (412) 268-4387, fax: (412) 268-7395
72 * tech-transfer@andrew.cmu.edu
74 * 4. Redistributions of any form whatsoever must retain the following
76 * "This product includes software developed by Computing Services
77 * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
79 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
80 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
81 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
82 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
83 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
84 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
85 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
88 #define RCSID "$Id: sys-solaris.c,v 1.16 2008/01/30 14:26:53 carlsonj Exp $"
101 #include <sys/termiox.h>
106 #include <sys/types.h>
107 #include <sys/ioccom.h>
108 #include <sys/stream.h>
109 #include <sys/stropts.h>
110 #include <sys/socket.h>
111 #include <sys/sockio.h>
112 #include <sys/sysmacros.h>
113 #include <sys/systeminfo.h>
114 #include <sys/dlpi.h>
115 #include <sys/stat.h>
116 #include <sys/mkdev.h>
117 #include <sys/time.h>
119 #include <net/if_arp.h>
120 #include <net/route.h>
121 #include <net/ppp_defs.h>
122 #include <net/pppio.h>
123 #include <netinet/in.h>
125 #include <sys/tihdr.h>
126 #include <sys/tiuser.h>
127 #include <inet/common.h>
128 #include <inet/mib2.h>
129 #include <sys/ethernet.h>
138 #if !defined(PPP_DRV_NAME)
139 #define PPP_DRV_NAME "ppp"
140 #endif /* !defined(PPP_DRV_NAME) */
142 #if !defined(PPP_DEV_NAME)
143 #define PPP_DEV_NAME "/dev/" PPP_DRV_NAME
144 #endif /* !defined(PPP_DEV_NAME) */
146 #if !defined(AHDLC_MOD_NAME)
147 #define AHDLC_MOD_NAME "ppp_ahdl"
148 #endif /* !defined(AHDLC_MOD_NAME) */
150 #if !defined(COMP_MOD_NAME)
151 #define COMP_MOD_NAME "ppp_comp"
152 #endif /* !defined(COMP_MOD_NAME) */
154 #if !defined(IP_DEV_NAME)
155 #define IP_DEV_NAME "/dev/ip"
156 #endif /* !defined(IP_DEV_NAME) */
158 #if !defined(IP_MOD_NAME)
159 #define IP_MOD_NAME "ip"
160 #endif /* !defined(IP_MOD_NAME) */
162 #if !defined(UDP_DEV_NAME) && defined(SOL2)
163 #define UDP_DEV_NAME "/dev/udp"
164 #endif /* !defined(UDP_DEV_NAME) && defined(SOL2) */
166 #if !defined(UDP6_DEV_NAME) && defined(SOL2)
167 #define UDP6_DEV_NAME "/dev/udp6"
168 #endif /* !defined(UDP6_DEV_NAME) && defined(SOL2) */
173 * "/dev/udp" is used as a multiplexor to PLINK the interface stream
174 * under. It is used in place of "/dev/ip" since STREAMS will not let
175 * a driver be PLINK'ed under itself, and "/dev/ip" is typically the
176 * driver at the bottom of the tunneling interfaces stream.
178 static char *mux_dev_name = UDP_DEV_NAME;
180 static char *mux_dev_name = IP_DEV_NAME;
183 static int fdmuxid = -1;
185 static int ipmuxid = -1;
187 #if defined(INET6) && defined(SOL2)
188 static int ip6fd; /* IP file descriptor */
189 static int ip6muxid = -1; /* Multiplexer file descriptor */
190 static int if6_is_up = 0; /* IPv6 interface has been marked up */
192 #define IN6_SOCKADDR_FROM_EUI64(s, eui64) do { \
193 (s)->sin6_family = AF_INET6; \
194 (s)->sin6_addr.s6_addr32[0] = htonl(0xfe800000); \
195 eui64_copy(eui64, (s)->sin6_addr.s6_addr32[2]); \
198 #define _IN6_LLX_FROM_EUI64(l, s, eui64, as) do { \
199 s->sin6_addr.s6_addr32[0] = htonl(as); \
200 eui64_copy(eui64, s->sin6_addr.s6_addr32[2]); \
201 s->sin6_family = AF_INET6; \
202 l.lifr_addr.ss_family = AF_INET6; \
203 l.lifr_addrlen = 64; \
204 l.lifr_addr = laddr; \
207 #define _IN6A_LLX_FROM_EUI64(s, eui64, as) do { \
208 s->s6_addr32[0] = htonl(as); \
209 eui64_copy(eui64, s->s6_addr32[2]); \
212 #define IN6_LLADDR_FROM_EUI64(l, s, eui64) \
213 _IN6_LLX_FROM_EUI64(l, s, eui64, 0xfe800000)
215 #define IN6_LLTOKEN_FROM_EUI64(l, s, eui64) \
216 _IN6_LLX_FROM_EUI64(l, s, eui64, 0)
218 #define IN6A_LLADDR_FROM_EUI64(s, eui64) \
219 _IN6A_LLX_FROM_EUI64(s, eui64, 0xfe800000)
221 #endif /* defined(INET6) && defined(SOL2) */
223 #if defined(INET6) && defined(SOL2)
224 static char first_ether_name[LIFNAMSIZ]; /* Solaris 8 and above */
226 static char first_ether_name[IFNAMSIZ]; /* Before Solaris 8 */
227 #define MAXIFS 256 /* Max # of interfaces */
228 #endif /* defined(INET6) && defined(SOL2) */
230 static int restore_term;
231 static struct termios inittermios;
233 static struct termiox inittermiox;
234 static int termiox_ok;
236 static struct winsize wsinfo; /* Initial window size info */
237 static pid_t tty_sid; /* original session ID for terminal */
239 extern u_char inpacket_buf[]; /* borrowed from main.c */
241 #define MAX_POLLFDS 32
242 static struct pollfd pollfds[MAX_POLLFDS];
243 static int n_pollfds;
245 static int link_mtu, link_mru;
248 static int tty_nmodules;
249 static char tty_modules[NMODULES][FMNAMESZ+1];
250 static int tty_npushed;
252 static int if_is_up; /* Interface has been marked up */
253 static u_int32_t remote_addr; /* IP address of peer */
254 static u_int32_t default_route_gateway; /* Gateway for default route added */
255 static eui64_t default_route_gateway6; /* Gateway for default IPv6 route added */
256 static u_int32_t proxy_arp_addr; /* Addr for proxy arp entry added */
258 /* Prototypes for procedures local to this file. */
259 static int translate_speed __P((int));
260 static int baud_rate_of __P((int));
261 static int get_ether_addr __P((u_int32_t, struct sockaddr *));
262 static int get_hw_addr __P((char *, u_int32_t, struct sockaddr *));
263 static int get_hw_addr_dlpi __P((char *, struct sockaddr *));
264 static int dlpi_attach __P((int, int));
265 static int dlpi_info_req __P((int));
266 static int dlpi_get_reply __P((int, union DL_primitives *, int, int));
267 static int strioctl __P((int, int, void *, int, int));
271 * sifppa - Sets interface ppa
273 * without setting the ppa, ip module will return EINVAL upon setting the
274 * interface UP (SIOCSxIFFLAGS). This is because ip module in 2.8 expects
275 * two DLPI_INFO_REQ to be sent down to the driver (below ip) before
276 * IFF_UP can be set. Plumbing the device causes one DLPI_INFO_REQ to
277 * be sent down, and the second DLPI_INFO_REQ is sent upon receiving
278 * IF_UNITSEL (old) or SIOCSLIFNAME (new) ioctls. Such setting of the ppa
279 * is required because the ppp DLPI provider advertises itself as
280 * a DLPI style 2 type, which requires a point of attachment to be
281 * specified. The only way the user can specify a point of attachment
282 * is via SIOCSLIFNAME or IF_UNITSEL.
284 * Such changes in the behavior of ip module was made to meet new or
285 * evolving standards requirements.
293 return (int)ioctl(fd, IF_UNITSEL, (char *)&ppa);
297 #if defined(SOL2) && defined(INET6)
299 * get_first_ethernet - returns the first Ethernet interface name found in
300 * the system, or NULL if none is found
302 * NOTE: This is the lifreq version (Solaris 8 and above)
309 struct lifreq *plifreq;
311 int fd, num_ifs, i, found;
315 fd = socket(AF_INET, SOCK_DGRAM, 0);
321 * Find out how many interfaces are running
323 lifn.lifn_family = AF_UNSPEC;
324 lifn.lifn_flags = LIFC_NOXMIT;
325 if (ioctl(fd, SIOCGLIFNUM, &lifn) < 0) {
327 error("could not determine number of interfaces: %m");
331 num_ifs = lifn.lifn_count;
332 req_size = num_ifs * sizeof(struct lifreq);
333 req = malloc(req_size);
336 error("out of memory");
341 * Get interface configuration info for all interfaces
343 lifc.lifc_family = AF_UNSPEC;
344 lifc.lifc_flags = LIFC_NOXMIT;
345 lifc.lifc_len = req_size;
347 if (ioctl(fd, SIOCGLIFCONF, &lifc) < 0) {
350 error("SIOCGLIFCONF: %m");
355 * And traverse each interface to look specifically for the first
356 * occurence of an Ethernet interface which has been marked up
358 plifreq = lifc.lifc_req;
360 for (i = lifc.lifc_len / sizeof(struct lifreq); i > 0; i--, plifreq++) {
362 if (strchr(plifreq->lifr_name, ':') != NULL)
365 memset(&lifr, 0, sizeof(lifr));
366 strncpy(lifr.lifr_name, plifreq->lifr_name, sizeof(lifr.lifr_name));
367 if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
370 error("SIOCGLIFFLAGS: %m");
373 fl = lifr.lifr_flags;
375 if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
376 != (IFF_UP | IFF_BROADCAST))
386 strncpy(first_ether_name, lifr.lifr_name, sizeof(first_ether_name));
387 return (char *)first_ether_name;
393 * get_first_ethernet - returns the first Ethernet interface name found in
394 * the system, or NULL if none is found
396 * NOTE: This is the ifreq version (before Solaris 8).
402 struct ifreq *pifreq;
404 int fd, num_ifs, i, found;
408 fd = socket(AF_INET, SOCK_DGRAM, 0);
414 * Find out how many interfaces are running
416 if (ioctl(fd, SIOCGIFNUM, (char *)&num_ifs) < 0) {
420 req_size = num_ifs * sizeof(struct ifreq);
421 req = malloc(req_size);
424 error("out of memory");
429 * Get interface configuration info for all interfaces
431 ifc.ifc_len = req_size;
433 if (ioctl(fd, SIOCGIFCONF, &ifc) < 0) {
436 error("SIOCGIFCONF: %m");
441 * And traverse each interface to look specifically for the first
442 * occurence of an Ethernet interface which has been marked up
444 pifreq = ifc.ifc_req;
446 for (i = ifc.ifc_len / sizeof(struct ifreq); i > 0; i--, pifreq++) {
448 if (strchr(pifreq->ifr_name, ':') != NULL)
451 memset(&ifr, 0, sizeof(ifr));
452 strncpy(ifr.ifr_name, pifreq->ifr_name, sizeof(ifr.ifr_name));
453 if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
456 error("SIOCGIFFLAGS: %m");
461 if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
462 != (IFF_UP | IFF_BROADCAST))
472 strncpy(first_ether_name, ifr.ifr_name, sizeof(first_ether_name));
473 return (char *)first_ether_name;
477 #endif /* defined(SOL2) && defined(INET6) */
481 * get_if_hwaddr - get the hardware address for the specified
482 * network interface device.
485 get_if_hwaddr(u_char *addr, char *if_name)
487 struct sockaddr s_eth_addr;
488 struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
494 * Send DL_INFO_REQ to the driver to solicit its MAC address
496 if (!get_hw_addr_dlpi(if_name, &s_eth_addr)) {
497 error("could not obtain hardware address for %s", if_name);
501 memcpy(addr, eth_addr->ether_addr_octet, 6);
506 #if defined(SOL2) && defined(INET6)
508 * slifname - Sets interface ppa and flags
510 * in addition to the comments stated in sifppa(), IFF_IPV6 bit must
511 * be set in order to declare this as an IPv6 interface
521 memset(&lifr, 0, sizeof(lifr));
522 ret = ioctl(fd, SIOCGLIFFLAGS, &lifr);
526 lifr.lifr_flags |= IFF_IPV6;
527 lifr.lifr_flags &= ~(IFF_BROADCAST | IFF_IPV4);
529 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
531 ret = ioctl(fd, SIOCSLIFNAME, &lifr);
541 * ether_to_eui64 - Convert 48-bit Ethernet address into 64-bit EUI
543 * walks the list of valid ethernet interfaces, and convert the first
544 * found 48-bit MAC address into EUI 64. caller also assumes that
545 * the system has a properly configured Ethernet interface for this
546 * function to return non-zero.
549 ether_to_eui64(eui64_t *p_eui64)
551 struct sockaddr s_eth_addr;
552 struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
555 if ((if_name = get_first_ethernet()) == NULL) {
556 error("no persistent id can be found");
561 * Send DL_INFO_REQ to the driver to solicit its MAC address
563 if (!get_hw_addr_dlpi(if_name, &s_eth_addr)) {
564 error("could not obtain hardware address for %s", if_name);
569 * And convert the EUI-48 into EUI-64, per RFC 2472 [sec 4.1]
571 p_eui64->e8[0] = (eth_addr->ether_addr_octet[0] & 0xFF) | 0x02;
572 p_eui64->e8[1] = (eth_addr->ether_addr_octet[1] & 0xFF);
573 p_eui64->e8[2] = (eth_addr->ether_addr_octet[2] & 0xFF);
574 p_eui64->e8[3] = 0xFF;
575 p_eui64->e8[4] = 0xFE;
576 p_eui64->e8[5] = (eth_addr->ether_addr_octet[3] & 0xFF);
577 p_eui64->e8[6] = (eth_addr->ether_addr_octet[4] & 0xFF);
578 p_eui64->e8[7] = (eth_addr->ether_addr_octet[5] & 0xFF);
582 #endif /* defined(SOL2) && defined(INET6) */
585 * sys_init - System-dependent initialization.
592 #if defined(INET6) && defined(SOL2)
595 #endif /* defined(INET6) && defined(SOL2) */
598 union DL_primitives prim;
601 #endif /* !defined(SOL2) */
603 ipfd = open(mux_dev_name, O_RDWR, 0);
605 fatal("Couldn't open IP device: %m");
607 #if defined(INET6) && defined(SOL2)
608 ip6fd = open(UDP6_DEV_NAME, O_RDWR, 0);
610 fatal("Couldn't open IP device (2): %m");
611 #endif /* defined(INET6) && defined(SOL2) */
613 if (default_device && !notty)
614 tty_sid = getsid((pid_t)0);
616 pppfd = open(PPP_DEV_NAME, O_RDWR | O_NONBLOCK, 0);
618 fatal("Can't open %s: %m", PPP_DEV_NAME);
619 if (kdebugflag & 1) {
620 x = PPPDBG_LOG + PPPDBG_DRIVER;
621 strioctl(pppfd, PPPIO_DEBUG, &x, sizeof(int), 0);
624 /* Assign a new PPA and get its unit number. */
625 if (strioctl(pppfd, PPPIO_NEWPPA, &ifunit, 0, sizeof(int)) < 0)
626 fatal("Can't create new PPP interface: %m");
630 * Since sys_init() is called prior to ifname being set in main(),
631 * we need to get the ifname now, otherwise slifname(), and others,
632 * will fail, or maybe, I should move them to a later point ?
633 * <adi.masputra@sun.com>
635 sprintf(ifname, PPP_DRV_NAME "%d", ifunit);
636 #endif /* defined(SOL2) */
638 * Open the ppp device again and link it under the ip multiplexor.
639 * IP will assign a unit number which hopefully is the same as ifunit.
640 * I don't know any way to be certain they will be the same. :-(
642 ifd = open(PPP_DEV_NAME, O_RDWR, 0);
644 fatal("Can't open %s (2): %m", PPP_DEV_NAME);
645 if (kdebugflag & 1) {
646 x = PPPDBG_LOG + PPPDBG_DRIVER;
647 strioctl(ifd, PPPIO_DEBUG, &x, sizeof(int), 0);
650 #if defined(INET6) && defined(SOL2)
651 i6fd = open(PPP_DEV_NAME, O_RDWR, 0);
654 fatal("Can't open %s (3): %m", PPP_DEV_NAME);
656 if (kdebugflag & 1) {
657 x = PPPDBG_LOG + PPPDBG_DRIVER;
658 strioctl(i6fd, PPPIO_DEBUG, &x, sizeof(int), 0);
660 #endif /* defined(INET6) && defined(SOL2) */
663 if (ioctl(ifd, I_PUSH, IP_MOD_NAME) < 0) {
667 #endif /* defined(INET6) */
668 fatal("Can't push IP module: %m");
672 * Assign ppa according to the unit number returned by ppp device
673 * after plumbing is completed above.
675 if (sifppa(ifd, ifunit) < 0) {
679 #endif /* defined(INET6) */
680 fatal("Can't set ppa for unit %d: %m", ifunit);
685 * An IPv6 interface is created anyway, even when the user does not
686 * explicitly enable it. Note that the interface will be marked
687 * IPv6 during slifname().
689 if (ioctl(i6fd, I_PUSH, IP_MOD_NAME) < 0) {
692 fatal("Can't push IP module (2): %m");
696 * Assign ppa according to the unit number returned by ppp device
697 * after plumbing is completed above. In addition, mark the interface
698 * as an IPv6 interface.
700 if (slifname(i6fd, ifunit) < 0) {
703 fatal("Can't set ifname for unit %d: %m", ifunit);
705 #endif /* defined(INET6) */
707 ipmuxid = ioctl(ipfd, I_PLINK, ifd);
712 #endif /* defined(INET6) */
713 fatal("Can't I_PLINK PPP device to IP: %m");
716 memset(&ifr, 0, sizeof(ifr));
717 sprintf(ifr.ifr_name, "%s", ifname);
718 ifr.ifr_ip_muxid = ipmuxid;
721 * In Sol 8 and later, STREAMS dynamic module plumbing feature exists.
722 * This is so that an arbitrary module can be inserted, or deleted,
723 * between ip module and the device driver without tearing down the
724 * existing stream. Such feature requires the mux ids, which is set
725 * by SIOCSIFMUXID (or SIOCLSIFMUXID).
727 if (ioctl(ipfd, SIOCSIFMUXID, &ifr) < 0) {
728 ioctl(ipfd, I_PUNLINK, ipmuxid);
731 #endif /* defined(INET6) */
732 fatal("SIOCSIFMUXID: %m");
735 #else /* else if !defined(SOL2) */
737 if (dlpi_attach(ifd, ifunit) < 0 ||
738 dlpi_get_reply(ifd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0) {
740 fatal("Can't attach to ppp%d: %m", ifunit);
743 ipmuxid = ioctl(ipfd, I_LINK, ifd);
746 fatal("Can't link PPP device to IP: %m");
747 #endif /* defined(SOL2) */
749 #if defined(INET6) && defined(SOL2)
750 ip6muxid = ioctl(ip6fd, I_PLINK, i6fd);
753 ioctl(ipfd, I_PUNLINK, ipmuxid);
754 fatal("Can't I_PLINK PPP device to IP (2): %m");
757 memset(&lifr, 0, sizeof(lifr));
758 sprintf(lifr.lifr_name, "%s", ifname);
759 lifr.lifr_ip_muxid = ip6muxid;
762 * Let IP know of the mux id [see comment for SIOCSIFMUXID above]
764 if (ioctl(ip6fd, SIOCSLIFMUXID, &lifr) < 0) {
765 ioctl(ipfd, I_PUNLINK, ipmuxid);
766 ioctl(ip6fd, I_PUNLINK, ip6muxid);
767 fatal("Can't link PPP device to IP (2): %m");
769 #endif /* defined(INET6) && defined(SOL2) */
772 /* Set the interface name for the link. */
773 slprintf(ifr.ifr_name, sizeof(ifr.ifr_name), PPP_DRV_NAME "%d", ifunit);
774 ifr.ifr_metric = ipmuxid;
775 if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)
776 fatal("Can't set interface name %s: %m", ifr.ifr_name);
777 #endif /* !defined(SOL2) */
783 * sys_cleanup - restore any system state we modified before exiting:
784 * mark the interface down, delete default route and/or proxy arp entry.
785 * This should call die() because it's called from die().
794 #endif /* defined(INET6) */
795 #endif /* defined(SOL2) */
797 #if defined(SOL2) && defined(INET6)
800 #endif /* defined(SOL2) && defined(INET6) */
803 if (default_route_gateway)
804 cifdefaultroute(0, default_route_gateway, default_route_gateway);
805 if (default_route_gateway6.e32[0] != 0 || default_route_gateway6.e32[1] != 0)
806 cif6defaultroute(0, default_route_gateway6, default_route_gateway6);
808 cifproxyarp(0, proxy_arp_addr);
811 * Make sure we ask ip what the muxid, because 'ifconfig modlist' will
812 * unlink and re-link the modules, causing the muxid to change.
814 memset(&ifr, 0, sizeof(ifr));
815 sprintf(ifr.ifr_name, "%s", ifname);
816 if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
817 error("SIOCGIFFLAGS: %m");
821 if (ioctl(ipfd, SIOCGIFMUXID, &ifr) < 0) {
822 error("SIOCGIFMUXID: %m");
826 ipmuxid = ifr.ifr_ip_muxid;
828 if (ioctl(ipfd, I_PUNLINK, ipmuxid) < 0) {
829 error("Can't I_PUNLINK PPP from IP: %m");
834 * Make sure we ask ip what the muxid, because 'ifconfig modlist' will
835 * unlink and re-link the modules, causing the muxid to change.
837 memset(&lifr, 0, sizeof(lifr));
838 sprintf(lifr.lifr_name, "%s", ifname);
839 if (ioctl(ip6fd, SIOCGLIFFLAGS, &lifr) < 0) {
840 error("SIOCGLIFFLAGS: %m");
844 if (ioctl(ip6fd, SIOCGLIFMUXID, &lifr) < 0) {
845 error("SIOCGLIFMUXID: %m");
849 ip6muxid = lifr.lifr_ip_muxid;
851 if (ioctl(ip6fd, I_PUNLINK, ip6muxid) < 0) {
852 error("Can't I_PUNLINK PPP from IP (2): %m");
854 #endif /* defined(INET6) */
855 #endif /* defined(SOL2) */
859 * sys_close - Clean up in a child process before execing.
865 #if defined(INET6) && defined(SOL2)
867 #endif /* defined(INET6) && defined(SOL2) */
873 * sys_check_options - check the options that the user specified
883 * daemon - Detach us from controlling terminal session.
886 daemon(nochdir, noclose)
887 int nochdir, noclose;
891 if ((pid = fork()) < 0)
894 exit(0); /* parent dies */
899 fclose(stdin); /* don't need stdin, stdout, stderr */
908 * ppp_available - check whether the system has any ppp interfaces
915 return stat(PPP_DEV_NAME, &buf) >= 0;
919 * any_compressions - see if compression is enabled or not
921 * In the STREAMS implementation of kernel-portion pppd,
922 * the comp STREAMS module performs the ACFC, PFC, as well
923 * CCP and VJ compressions. However, if the user has explicitly
924 * declare to not enable them from the command line, there is
925 * no point of having the comp module be pushed on the stream.
930 if ((!lcp_wantoptions[0].neg_accompression) &&
931 (!lcp_wantoptions[0].neg_pcompression) &&
932 (!ccp_protent.enabled_flag) &&
933 (!ipcp_wantoptions[0].neg_vj)) {
940 * tty_establish_ppp - Turn the serial port into a ppp interface.
943 tty_establish_ppp(fd)
948 /* Pop any existing modules off the tty stream. */
950 if (ioctl(fd, I_LOOK, tty_modules[i]) < 0
951 || strcmp(tty_modules[i], "ptem") == 0
952 || ioctl(fd, I_POP, 0) < 0)
956 /* Push the async hdlc module and the compressor module. */
960 if (ioctl(fd, I_PUSH, AHDLC_MOD_NAME) < 0) {
961 error("Couldn't push PPP Async HDLC module: %m");
966 if (kdebugflag & 4) {
967 i = PPPDBG_LOG + PPPDBG_AHDLC;
968 strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
971 * There's no need to push comp module if we don't intend
972 * to compress anything
974 if (any_compressions()) {
975 if (ioctl(fd, I_PUSH, COMP_MOD_NAME) < 0)
976 error("Couldn't push PPP compression module: %m");
981 if (kdebugflag & 2) {
983 if (any_compressions())
985 strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
988 /* Link the serial port under the PPP multiplexor. */
989 if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0) {
990 error("Can't link tty to PPP mux: %m");
998 * tty_disestablish_ppp - Restore the serial port to normal operation.
999 * It attempts to reconstruct the stream with the previously popped
1000 * modules. This shouldn't call die() because it's called from die().
1003 tty_disestablish_ppp(fd)
1009 if (ioctl(pppfd, I_UNLINK, fdmuxid) < 0) {
1011 error("Can't unlink tty from PPP mux: %m");
1016 while (tty_npushed > 0 && ioctl(fd, I_POP, 0) >= 0)
1018 for (i = tty_nmodules - 1; i >= 0; --i)
1019 if (ioctl(fd, I_PUSH, tty_modules[i]) < 0)
1020 error("Couldn't restore tty module %s: %m",
1023 if (hungup && default_device && tty_sid > 0) {
1025 * If we have received a hangup, we need to send a SIGHUP
1026 * to the terminal's controlling process. The reason is
1027 * that the original stream head for the terminal hasn't
1028 * seen the M_HANGUP message (it went up through the ppp
1029 * driver to the stream head for our fd to /dev/ppp).
1031 kill(tty_sid, SIGHUP);
1037 * Check whether the link seems not to be 8-bit clean.
1045 if (strioctl(pppfd, PPPIO_GCLEAN, &x, 0, sizeof(x)) < 0)
1050 s = "bit 7 set to 1";
1053 s = "bit 7 set to 0";
1063 warn("Serial link is not 8-bit clean:");
1064 warn("All received characters had %s", s);
1069 * List of valid speeds.
1072 int speed_int, speed_val;
1141 { 115200, B115200 },
1144 { 153600, B153600 },
1147 { 230400, B230400 },
1150 { 307200, B307200 },
1153 { 460800, B460800 },
1159 * Translate from bits/second to a speed_t.
1162 translate_speed(bps)
1165 struct speed *speedp;
1169 for (speedp = speeds; speedp->speed_int; speedp++)
1170 if (bps == speedp->speed_int)
1171 return speedp->speed_val;
1172 warn("speed %d not supported", bps);
1177 * Translate from a speed_t to bits/second.
1183 struct speed *speedp;
1187 for (speedp = speeds; speedp->speed_int; speedp++)
1188 if (speed == speedp->speed_val)
1189 return speedp->speed_int;
1194 * set_up_tty: Set up the serial port on `fd' for 8 bits, no parity,
1195 * at the requested speed, etc. If `local' is true, set CLOCAL
1196 * regardless of whether the modem option was specified.
1199 set_up_tty(fd, local)
1203 struct termios tios;
1204 #if !defined (CRTSCTS)
1205 struct termiox tiox;
1208 if (!sync_serial && tcgetattr(fd, &tios) < 0)
1209 fatal("tcgetattr: %m");
1213 if (!sync_serial && ioctl (fd, TCGETX, &tiox) < 0) {
1215 if (errno != ENOTTY)
1216 error("TCGETX: %m");
1220 if (!restore_term) {
1226 ioctl(fd, TIOCGWINSZ, &wsinfo);
1229 tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL);
1232 tios.c_cflag |= CRTSCTS;
1233 else if (crtscts < 0)
1234 tios.c_cflag &= ~CRTSCTS;
1236 if (crtscts != 0 && !termiox_ok) {
1237 error("Can't set RTS/CTS flow control");
1238 } else if (crtscts > 0) {
1239 tiox.x_hflag |= RTSXOFF|CTSXON;
1240 } else if (crtscts < 0) {
1241 tiox.x_hflag &= ~(RTSXOFF|CTSXON);
1246 tios.c_cflag |= CSTOPB;
1248 tios.c_cflag |= CS8 | CREAD | HUPCL;
1249 if (local || !modem)
1250 tios.c_cflag |= CLOCAL;
1251 tios.c_iflag = IGNBRK | IGNPAR;
1254 tios.c_cc[VMIN] = 1;
1255 tios.c_cc[VTIME] = 0;
1257 if (crtscts == -2) {
1258 tios.c_iflag |= IXON | IXOFF;
1259 tios.c_cc[VSTOP] = 0x13; /* DC3 = XOFF = ^S */
1260 tios.c_cc[VSTART] = 0x11; /* DC1 = XON = ^Q */
1263 speed = translate_speed(inspeed);
1265 cfsetospeed(&tios, speed);
1266 cfsetispeed(&tios, speed);
1268 speed = cfgetospeed(&tios);
1270 * We can't proceed if the serial port speed is 0,
1271 * since that implies that the serial port is disabled.
1273 if ((speed == B0) && !sync_serial)
1274 fatal("Baud rate for %s is 0; need explicit baud rate", devnam);
1277 if (!sync_serial && tcsetattr(fd, TCSAFLUSH, &tios) < 0)
1278 fatal("tcsetattr: %m");
1281 if (!sync_serial && termiox_ok && ioctl (fd, TCSETXF, &tiox) < 0){
1282 error("TCSETXF: %m");
1286 baud_rate = inspeed = baud_rate_of(speed);
1292 * restore_tty - restore the terminal to the saved settings.
1299 if (!default_device) {
1301 * Turn off echoing, because otherwise we can get into
1302 * a loop with the tty and the modem echoing to each other.
1303 * We presume we are the sole user of this tty device, so
1304 * when we close it, it will revert to its defaults anyway.
1306 inittermios.c_lflag &= ~(ECHO | ECHONL);
1308 if (!sync_serial && tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
1309 if (!hungup && errno != ENXIO)
1310 warn("tcsetattr: %m");
1312 if (!sync_serial && ioctl (fd, TCSETXF, &inittermiox) < 0){
1313 if (!hungup && errno != ENXIO)
1314 error("TCSETXF: %m");
1318 ioctl(fd, TIOCSWINSZ, &wsinfo);
1324 * setdtr - control the DTR line on the serial port.
1325 * This is called from die(), so it shouldn't call die().
1331 int modembits = TIOCM_DTR;
1333 ioctl(fd, (on? TIOCMBIS: TIOCMBIC), &modembits);
1337 * open_loopback - open the device we use for getting packets
1338 * in demand mode. Under Solaris 2, we use our existing fd
1339 * to the ppp driver.
1348 * output - Output PPP packet.
1351 output(unit, p, len)
1360 dump_packet("sent", p, len);
1361 if (snoop_send_hook) snoop_send_hook(p, len);
1364 data.buf = (caddr_t) p;
1366 while (putmsg(pppfd, NULL, &data, 0) < 0) {
1367 if (--retries < 0 || (errno != EWOULDBLOCK && errno != EAGAIN)) {
1369 error("Couldn't send packet: %m");
1373 pfd.events = POLLOUT;
1374 poll(&pfd, 1, 250); /* wait for up to 0.25 seconds */
1380 * wait_input - wait until there is data available,
1381 * for the length of time specified by *timo (indefinite
1386 struct timeval *timo;
1390 t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
1391 if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR)
1396 * add_fd - add an fd to the set that wait_input waits for.
1403 for (n = 0; n < n_pollfds; ++n)
1404 if (pollfds[n].fd == fd)
1406 if (n_pollfds < MAX_POLLFDS) {
1407 pollfds[n_pollfds].fd = fd;
1408 pollfds[n_pollfds].events = POLLIN | POLLPRI | POLLHUP;
1411 error("Too many inputs!");
1415 * remove_fd - remove an fd from the set that wait_input waits for.
1422 for (n = 0; n < n_pollfds; ++n) {
1423 if (pollfds[n].fd == fd) {
1424 while (++n < n_pollfds)
1425 pollfds[n-1] = pollfds[n];
1434 * wait_loop_output - wait until there is data available on the
1435 * loopback, for the length of time specified by *timo (indefinite
1439 wait_loop_output(timo)
1440 struct timeval *timo;
1446 * wait_time - wait for a given length of time or until a
1447 * signal is received.
1451 struct timeval *timo;
1455 n = select(0, NULL, NULL, NULL, timo);
1456 if (n < 0 && errno != EINTR)
1457 fatal("select: %m");
1463 * read_packet - get a PPP packet from the serial device.
1469 struct strbuf ctrl, data;
1471 unsigned char ctrlbuf[sizeof(union DL_primitives) + 64];
1474 data.maxlen = PPP_MRU + PPP_HDRLEN;
1475 data.buf = (caddr_t) buf;
1476 ctrl.maxlen = sizeof(ctrlbuf);
1477 ctrl.buf = (caddr_t) ctrlbuf;
1479 len = getmsg(pppfd, &ctrl, &data, &flags);
1481 if (errno == EAGAIN || errno == EINTR)
1483 fatal("Error reading packet: %m");
1490 * Got a M_PROTO or M_PCPROTO message. Interpret it
1491 * as a DLPI primitive??
1494 dbglog("got dlpi prim 0x%x, len=%d",
1495 ((union DL_primitives *)ctrlbuf)->dl_primitive, ctrl.len);
1501 * get_loop_output - get outgoing packets from the ppp device,
1502 * and detect when we want to bring the real link up.
1503 * Return value is 1 if we need to bring up the link, 0 otherwise.
1511 while ((len = read_packet(inpacket_buf)) > 0) {
1512 if (loop_frame(inpacket_buf, len))
1519 * netif_set_mtu - set the MTU on the PPP network interface.
1522 netif_set_mtu(unit, mtu)
1526 #if defined(INET6) && defined(SOL2)
1529 #endif /* defined(INET6) && defined(SOL2) */
1531 memset(&ifr, 0, sizeof(ifr));
1532 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1533 ifr.ifr_metric = link_mtu;
1534 if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
1535 error("Couldn't set IP MTU (%s): %m", ifr.ifr_name);
1538 #if defined(INET6) && defined(SOL2)
1539 fd = socket(AF_INET6, SOCK_DGRAM, 0);
1541 error("Couldn't open IPv6 socket: %m");
1543 memset(&lifr, 0, sizeof(lifr));
1544 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1545 lifr.lifr_mtu = link_mtu;
1546 if (ioctl(fd, SIOCSLIFMTU, &lifr) < 0) {
1548 error("Couldn't set IPv6 MTU (%s): %m", ifr.ifr_name);
1551 #endif /* defined(INET6) && defined(SOL2) */
1555 * tty_send_config - configure the transmit characteristics of
1556 * the ppp interface.
1559 tty_send_config(mtu, asyncmap, pcomp, accomp)
1567 if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) {
1568 if (hungup && errno == ENXIO) {
1572 error("Couldn't set MTU: %m");
1576 if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0)
1577 error("Couldn't set transmit ACCM: %m");
1579 cf[0] = (pcomp? COMP_PROT: 0) + (accomp? COMP_AC: 0);
1580 cf[1] = COMP_PROT | COMP_AC;
1581 if (any_compressions() &&
1582 strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0)
1583 error("Couldn't set prot/AC compression: %m");
1588 * tty_set_xaccm - set the extended transmit ACCM for the interface.
1598 && strioctl(pppfd, PPPIO_XACCM, accm, sizeof(ext_accm), 0) < 0) {
1599 if (!hungup || errno != ENXIO)
1600 warn("Couldn't set extended ACCM: %m");
1605 * tty_recv_config - configure the receive-side characteristics of
1606 * the ppp interface.
1609 tty_recv_config(mru, asyncmap, pcomp, accomp)
1617 if (strioctl(pppfd, PPPIO_MRU, &mru, sizeof(mru), 0) < 0) {
1618 if (hungup && errno == ENXIO) {
1622 error("Couldn't set MRU: %m");
1626 if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0)
1627 error("Couldn't set receive ACCM: %m");
1629 cf[0] = (pcomp? DECOMP_PROT: 0) + (accomp? DECOMP_AC: 0);
1630 cf[1] = DECOMP_PROT | DECOMP_AC;
1631 if (any_compressions() &&
1632 strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0)
1633 error("Couldn't set prot/AC decompression: %m");
1638 * ccp_test - ask kernel whether a given compression method
1639 * is acceptable for use.
1642 ccp_test(unit, opt_ptr, opt_len, for_transmit)
1643 int unit, opt_len, for_transmit;
1646 if (strioctl(pppfd, (for_transmit? PPPIO_XCOMP: PPPIO_RCOMP),
1647 opt_ptr, opt_len, 0) >= 0)
1649 return (errno == ENOSR)? 0: -1;
1653 * ccp_flags_set - inform kernel about the current state of CCP.
1656 ccp_flags_set(unit, isopen, isup)
1657 int unit, isopen, isup;
1661 cf[0] = (isopen? CCP_ISOPEN: 0) + (isup? CCP_ISUP: 0);
1662 cf[1] = CCP_ISOPEN | CCP_ISUP | CCP_ERROR | CCP_FATALERROR;
1663 if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
1664 if (!hungup || errno != ENXIO)
1665 error("Couldn't set kernel CCP state: %m");
1670 * get_idle_time - return how long the link has been idle.
1673 get_idle_time(u, ip)
1675 struct ppp_idle *ip;
1677 return strioctl(pppfd, PPPIO_GIDLE, ip, 0, sizeof(struct ppp_idle)) >= 0;
1681 * get_ppp_stats - return statistics for the link.
1684 get_ppp_stats(u, stats)
1686 struct pppd_stats *stats;
1691 strioctl(pppfd, PPPIO_GETSTAT, &s, 0, sizeof(s)) < 0) {
1692 error("Couldn't get link statistics: %m");
1695 stats->bytes_in = s.p.ppp_ibytes;
1696 stats->bytes_out = s.p.ppp_obytes;
1697 stats->pkts_in = s.p.ppp_ipackets;
1698 stats->pkts_out = s.p.ppp_opackets;
1704 * set_filters - transfer the pass and active filters to the kernel.
1707 set_filters(pass, active)
1708 struct bpf_program *pass, *active;
1712 if (pass->bf_len > 0) {
1713 if (strioctl(pppfd, PPPIO_PASSFILT, pass,
1714 sizeof(struct bpf_program), 0) < 0) {
1715 error("Couldn't set pass-filter in kernel: %m");
1719 if (active->bf_len > 0) {
1720 if (strioctl(pppfd, PPPIO_ACTIVEFILT, active,
1721 sizeof(struct bpf_program), 0) < 0) {
1722 error("Couldn't set active-filter in kernel: %m");
1731 * ccp_fatal_error - returns 1 if decompression was disabled as a
1732 * result of an error detected after decompression of a packet,
1733 * 0 otherwise. This is necessary because of patent nonsense.
1736 ccp_fatal_error(unit)
1742 if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
1743 if (errno != ENXIO && errno != EINVAL)
1744 error("Couldn't get compression flags: %m");
1747 return cf[0] & CCP_FATALERROR;
1751 * sifvjcomp - config tcp header compression
1754 sifvjcomp(u, vjcomp, xcidcomp, xmaxcid)
1755 int u, vjcomp, xcidcomp, xmaxcid;
1761 maxcid[0] = xcidcomp;
1762 maxcid[1] = 15; /* XXX should be rmaxcid */
1763 if (strioctl(pppfd, PPPIO_VJINIT, maxcid, sizeof(maxcid), 0) < 0) {
1764 error("Couldn't initialize VJ compression: %m");
1768 cf[0] = (vjcomp? COMP_VJC + DECOMP_VJC: 0) /* XXX this is wrong */
1769 + (xcidcomp? COMP_VJCCID + DECOMP_VJCCID: 0);
1770 cf[1] = COMP_VJC + DECOMP_VJC + COMP_VJCCID + DECOMP_VJCCID;
1771 if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
1773 error("Couldn't enable VJ compression: %m");
1780 * sifup - Config the interface up and enable IP packets to pass.
1788 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1789 if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
1790 error("Couldn't mark interface up (get): %m");
1793 ifr.ifr_flags |= IFF_UP;
1794 if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
1795 error("Couldn't mark interface up (set): %m");
1803 * sifdown - Config the interface down and disable IP.
1813 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1814 if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
1815 error("Couldn't mark interface down (get): %m");
1818 ifr.ifr_flags &= ~IFF_UP;
1819 if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
1820 error("Couldn't mark interface down (set): %m");
1828 * sifnpmode - Set the mode for handling packets for a given NP.
1831 sifnpmode(u, proto, mode)
1839 npi[1] = (int) mode;
1840 if (strioctl(pppfd, PPPIO_NPMODE, &npi, 2 * sizeof(int), 0) < 0) {
1841 error("ioctl(set NP %d mode to %d): %m", proto, mode);
1847 #if defined(SOL2) && defined(INET6)
1849 * sif6up - Config the IPv6 interface up and enable IPv6 packets to pass.
1858 fd = socket(AF_INET6, SOCK_DGRAM, 0);
1863 memset(&lifr, 0, sizeof(lifr));
1864 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1865 if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
1870 lifr.lifr_flags |= IFF_UP;
1871 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1872 if (ioctl(fd, SIOCSLIFFLAGS, &lifr) < 0) {
1883 * sifdown - Config the IPv6 interface down and disable IPv6.
1892 fd = socket(AF_INET6, SOCK_DGRAM, 0);
1896 memset(&lifr, 0, sizeof(lifr));
1897 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1898 if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
1903 lifr.lifr_flags &= ~IFF_UP;
1904 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1905 if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
1916 * sif6addr - Config the interface with an IPv6 link-local address
1924 struct sockaddr_storage laddr;
1925 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&laddr;
1928 fd = socket(AF_INET6, SOCK_DGRAM, 0);
1932 memset(&lifr, 0, sizeof(lifr));
1933 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1936 * Do this because /dev/ppp responds to DL_PHYS_ADDR_REQ with
1937 * zero values, hence the interface token came to be zero too,
1938 * and without this, in.ndpd will complain
1940 IN6_LLTOKEN_FROM_EUI64(lifr, sin6, o);
1941 if (ioctl(fd, SIOCSLIFTOKEN, &lifr) < 0) {
1947 * Set the interface address and destination address
1949 IN6_LLADDR_FROM_EUI64(lifr, sin6, o);
1950 if (ioctl(fd, SIOCSLIFADDR, &lifr) < 0) {
1955 memset(&lifr, 0, sizeof(lifr));
1956 strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
1957 IN6_LLADDR_FROM_EUI64(lifr, sin6, h);
1958 if (ioctl(fd, SIOCSLIFDSTADDR, &lifr) < 0) {
1967 * cif6addr - Remove the IPv6 address from interface
1978 * sif6defaultroute - assign a default route through the address given.
1981 sif6defaultroute(u, l, g)
1986 struct rt_msghdr rtm;
1987 struct sockaddr_in6 dst;
1988 struct sockaddr_in6 gw;
1993 #if defined(__USLC__)
1994 g = l; /* use the local address as gateway */
1996 memset(&rmsg, 0, sizeof(rmsg));
1998 rmsg.rtm.rtm_msglen = sizeof (rmsg);
1999 rmsg.rtm.rtm_version = RTM_VERSION;
2000 rmsg.rtm.rtm_type = RTM_ADD;
2001 rmsg.rtm.rtm_flags = RTF_GATEWAY;
2002 rmsg.rtm.rtm_addrs = RTA_DST | RTA_GATEWAY;
2003 rmsg.rtm.rtm_pid = getpid();
2004 rmsg.rtm.rtm_seq = seq++;
2006 rmsg.dst.sin6_family = AF_INET6;
2008 rmsg.gw.sin6_family = AF_INET6;
2009 IN6_SOCKADDR_FROM_EUI64(&rmsg.gw, g);
2011 rtsock = socket(PF_ROUTE, SOCK_RAW, 0);
2014 error("Can't add default route: %m");
2018 if (write(rtsock, &rmsg, sizeof(rmsg)) < 0)
2019 error("Can't add default route: %m");
2023 default_route_gateway6 = g;
2028 * cif6defaultroute - delete a default route through the address given.
2031 cif6defaultroute(u, l, g)
2035 /* No need to do this on Solaris; the kernel deletes the
2036 route when the interface goes down. */
2037 memset(&default_route_gateway6, 0, sizeof(default_route_gateway6));
2041 #endif /* defined(SOL2) && defined(INET6) */
2044 #define INET_ADDR(x) (((struct sockaddr_in *) &(x))->sin_addr.s_addr)
2047 * sifaddr - Config the interface IP addresses and netmask.
2057 memset(&ifr, 0, sizeof(ifr));
2058 strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
2059 ifr.ifr_addr.sa_family = AF_INET;
2060 INET_ADDR(ifr.ifr_addr) = m;
2061 if (ioctl(ipfd, SIOCSIFNETMASK, &ifr) < 0) {
2062 error("Couldn't set IP netmask: %m");
2065 ifr.ifr_addr.sa_family = AF_INET;
2066 INET_ADDR(ifr.ifr_addr) = o;
2067 if (ioctl(ipfd, SIOCSIFADDR, &ifr) < 0) {
2068 error("Couldn't set local IP address: %m");
2073 * On some systems, we have to explicitly set the point-to-point
2074 * flag bit before we can set a destination address.
2076 if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) >= 0
2077 && (ifr.ifr_flags & IFF_POINTOPOINT) == 0) {
2078 ifr.ifr_flags |= IFF_POINTOPOINT;
2079 if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
2080 error("Couldn't mark interface pt-to-pt: %m");
2084 ifr.ifr_dstaddr.sa_family = AF_INET;
2085 INET_ADDR(ifr.ifr_dstaddr) = h;
2086 if (ioctl(ipfd, SIOCSIFDSTADDR, &ifr) < 0) {
2087 error("Couldn't set remote IP address: %m");
2096 * cifaddr - Clear the interface IP addresses, and delete routes
2097 * through the interface if possible.
2104 #if defined(__USLC__) /* was: #if 0 */
2105 cifroute(unit, ouraddr, hisaddr);
2107 notice("Removing ppp interface unit");
2108 if (ioctl(ipfd, I_UNLINK, ipmuxid) < 0) {
2109 error("Can't remove ppp interface unit: %m");
2120 * sifdefaultroute - assign a default route through the address given.
2123 sifdefaultroute(u, l, g)
2129 #if defined(__USLC__)
2130 g = l; /* use the local address as gateway */
2132 memset(&rt, 0, sizeof(rt));
2133 rt.rt_dst.sa_family = AF_INET;
2134 INET_ADDR(rt.rt_dst) = 0;
2135 rt.rt_gateway.sa_family = AF_INET;
2136 INET_ADDR(rt.rt_gateway) = g;
2137 rt.rt_flags = RTF_GATEWAY;
2139 if (ioctl(ipfd, SIOCADDRT, &rt) < 0) {
2140 error("Can't add default route: %m");
2144 default_route_gateway = g;
2149 * cifdefaultroute - delete a default route through the address given.
2152 cifdefaultroute(u, l, g)
2158 #if defined(__USLC__)
2159 g = l; /* use the local address as gateway */
2161 memset(&rt, 0, sizeof(rt));
2162 rt.rt_dst.sa_family = AF_INET;
2163 INET_ADDR(rt.rt_dst) = 0;
2164 rt.rt_gateway.sa_family = AF_INET;
2165 INET_ADDR(rt.rt_gateway) = g;
2166 rt.rt_flags = RTF_GATEWAY;
2168 if (ioctl(ipfd, SIOCDELRT, &rt) < 0) {
2169 error("Can't delete default route: %m");
2173 default_route_gateway = 0;
2178 * sifproxyarp - Make a proxy ARP entry for the peer.
2181 sifproxyarp(unit, hisaddr)
2185 struct arpreq arpreq;
2187 memset(&arpreq, 0, sizeof(arpreq));
2188 if (!get_ether_addr(hisaddr, &arpreq.arp_ha))
2191 arpreq.arp_pa.sa_family = AF_INET;
2192 INET_ADDR(arpreq.arp_pa) = hisaddr;
2193 arpreq.arp_flags = ATF_PERM | ATF_PUBL;
2194 if (ioctl(ipfd, SIOCSARP, (caddr_t) &arpreq) < 0) {
2195 error("Couldn't set proxy ARP entry: %m");
2199 proxy_arp_addr = hisaddr;
2204 * cifproxyarp - Delete the proxy ARP entry for the peer.
2207 cifproxyarp(unit, hisaddr)
2211 struct arpreq arpreq;
2213 memset(&arpreq, 0, sizeof(arpreq));
2214 arpreq.arp_pa.sa_family = AF_INET;
2215 INET_ADDR(arpreq.arp_pa) = hisaddr;
2216 if (ioctl(ipfd, SIOCDARP, (caddr_t)&arpreq) < 0) {
2217 error("Couldn't delete proxy ARP entry: %m");
2226 * get_ether_addr - get the hardware address of an interface on the
2227 * the same subnet as ipaddr.
2232 get_ether_addr(ipaddr, hwaddr)
2234 struct sockaddr *hwaddr;
2236 struct ifreq *ifr, *ifend, ifreq;
2239 u_int32_t ina, mask;
2242 * Scan through the system's network interfaces.
2245 if (ioctl(ipfd, SIOCGIFNUM, &nif) < 0)
2248 ifc.ifc_len = nif * sizeof(struct ifreq);
2249 ifc.ifc_buf = (caddr_t) malloc(ifc.ifc_len);
2250 if (ifc.ifc_buf == 0)
2252 if (ioctl(ipfd, SIOCGIFCONF, &ifc) < 0) {
2253 warn("Couldn't get system interface list: %m");
2257 ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
2258 for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
2259 if (ifr->ifr_addr.sa_family != AF_INET)
2262 * Check that the interface is up, and not point-to-point or loopback.
2264 strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
2265 if (ioctl(ipfd, SIOCGIFFLAGS, &ifreq) < 0)
2267 if ((ifreq.ifr_flags &
2268 (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
2269 != (IFF_UP|IFF_BROADCAST))
2272 * Get its netmask and check that it's on the right subnet.
2274 if (ioctl(ipfd, SIOCGIFNETMASK, &ifreq) < 0)
2276 ina = INET_ADDR(ifr->ifr_addr);
2277 mask = INET_ADDR(ifreq.ifr_addr);
2278 if ((ipaddr & mask) == (ina & mask))
2283 warn("No suitable interface found for proxy ARP");
2288 info("found interface %s for proxy ARP", ifr->ifr_name);
2289 if (!get_hw_addr(ifr->ifr_name, ina, hwaddr)) {
2290 error("Couldn't get hardware address for %s", ifr->ifr_name);
2300 * get_hw_addr_dlpi - obtain the hardware address using DLPI
2303 get_hw_addr_dlpi(name, hwaddr)
2305 struct sockaddr *hwaddr;
2308 int unit, iffd, adrlen;
2309 unsigned char *adrp;
2312 union DL_primitives prim;
2317 * We have to open the device and ask it for its hardware address.
2318 * First split apart the device name and unit.
2320 slprintf(ifdev, sizeof(ifdev), "/dev/%s", name);
2321 for (q = ifdev + strlen(ifdev); --q >= ifdev; )
2328 * Open the device and do a DLPI attach and phys_addr_req.
2330 iffd = open(ifdev, O_RDWR);
2332 error("Can't open %s: %m", ifdev);
2335 if (dlpi_attach(iffd, unit) < 0
2336 || dlpi_get_reply(iffd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0
2337 || dlpi_info_req(iffd) < 0
2338 || dlpi_get_reply(iffd, &reply.prim, DL_INFO_ACK, sizeof(reply)) < 0) {
2343 adrlen = reply.prim.info_ack.dl_addr_length;
2344 adrp = (unsigned char *)&reply + reply.prim.info_ack.dl_addr_offset;
2346 #if DL_CURRENT_VERSION >= 2
2347 if (reply.prim.info_ack.dl_sap_length < 0)
2348 adrlen += reply.prim.info_ack.dl_sap_length;
2350 adrp += reply.prim.info_ack.dl_sap_length;
2353 hwaddr->sa_family = AF_UNSPEC;
2354 memcpy(hwaddr->sa_data, adrp, adrlen);
2359 * get_hw_addr - obtain the hardware address for a named interface.
2362 get_hw_addr(name, ina, hwaddr)
2365 struct sockaddr *hwaddr;
2367 /* New way - get the address by doing an arp request. */
2371 s = socket(AF_INET, SOCK_DGRAM, 0);
2374 memset(&req, 0, sizeof(req));
2375 req.arp_pa.sa_family = AF_INET;
2376 INET_ADDR(req.arp_pa) = ina;
2377 if (ioctl(s, SIOCGARP, &req) < 0) {
2378 error("Couldn't get ARP entry for %s: %m", ip_ntoa(ina));
2381 *hwaddr = req.arp_ha;
2382 hwaddr->sa_family = AF_UNSPEC;
2388 dlpi_attach(fd, ppa)
2391 dl_attach_req_t req;
2394 req.dl_primitive = DL_ATTACH_REQ;
2396 buf.len = sizeof(req);
2397 buf.buf = (void *) &req;
2398 return putmsg(fd, &buf, NULL, RS_HIPRI);
2408 req.dl_primitive = DL_INFO_REQ;
2409 buf.len = sizeof(req);
2410 buf.buf = (void *) &req;
2411 return putmsg(fd, &buf, NULL, RS_HIPRI);
2415 dlpi_get_reply(fd, reply, expected_prim, maxlen)
2416 union DL_primitives *reply;
2417 int fd, expected_prim, maxlen;
2424 * Use poll to wait for a message with a timeout.
2427 pfd.events = POLLIN | POLLPRI;
2429 n = poll(&pfd, 1, 1000);
2430 } while (n == -1 && errno == EINTR && !got_sigterm);
2437 buf.maxlen = maxlen;
2438 buf.buf = (void *) reply;
2440 if (getmsg(fd, &buf, NULL, &flags) < 0)
2443 if (buf.len < sizeof(ulong)) {
2445 dbglog("dlpi response short (len=%d)\n", buf.len);
2449 if (reply->dl_primitive == expected_prim)
2453 if (reply->dl_primitive == DL_ERROR_ACK) {
2454 dbglog("dlpi error %d (unix errno %d) for prim %x\n",
2455 reply->error_ack.dl_errno, reply->error_ack.dl_unix_errno,
2456 reply->error_ack.dl_error_primitive);
2458 dbglog("dlpi unexpected response prim %x\n",
2459 reply->dl_primitive);
2467 * Return user specified netmask, modified by any mask we might determine
2468 * for address `addr' (in network byte order).
2469 * Here we scan through the system's list of interfaces, looking for
2470 * any non-point-to-point interfaces which might appear to be on the same
2471 * network as `addr'. If we find any, we OR in their netmask to the
2472 * user-specified netmask.
2478 u_int32_t mask, nmask, ina;
2479 struct ifreq *ifr, *ifend, ifreq;
2484 if (IN_CLASSA(addr)) /* determine network mask for address class */
2485 nmask = IN_CLASSA_NET;
2486 else if (IN_CLASSB(addr))
2487 nmask = IN_CLASSB_NET;
2489 nmask = IN_CLASSC_NET;
2490 /* class D nets are disallowed by bad_ip_adrs */
2491 mask = netmask | htonl(nmask);
2494 * Scan through the system's network interfaces.
2497 if (ioctl(ipfd, SIOCGIFNUM, &nif) < 0)
2500 ifc.ifc_len = nif * sizeof(struct ifreq);
2501 ifc.ifc_buf = (caddr_t) malloc(ifc.ifc_len);
2502 if (ifc.ifc_buf == 0)
2504 if (ioctl(ipfd, SIOCGIFCONF, &ifc) < 0) {
2505 warn("Couldn't get system interface list: %m");
2509 ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
2510 for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
2512 * Check the interface's internet address.
2514 if (ifr->ifr_addr.sa_family != AF_INET)
2516 ina = INET_ADDR(ifr->ifr_addr);
2517 if ((ntohl(ina) & nmask) != (addr & nmask))
2520 * Check that the interface is up, and not point-to-point or loopback.
2522 strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
2523 if (ioctl(ipfd, SIOCGIFFLAGS, &ifreq) < 0)
2525 if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
2529 * Get its netmask and OR it into our mask.
2531 if (ioctl(ipfd, SIOCGIFNETMASK, &ifreq) < 0)
2533 mask |= INET_ADDR(ifreq.ifr_addr);
2541 * logwtmp - write an accounting record to the /var/adm/wtmp file.
2544 logwtmp(line, name, host)
2545 const char *line, *name, *host;
2547 static struct utmpx utmpx;
2551 strncpy(utmpx.ut_user, name, sizeof(utmpx.ut_user));
2552 strncpy(utmpx.ut_line, line, sizeof(utmpx.ut_line));
2553 strncpy(utmpx.ut_host, host, sizeof(utmpx.ut_host));
2554 if (*host != '\0') {
2555 utmpx.ut_syslen = strlen(host) + 1;
2556 if (utmpx.ut_syslen > sizeof(utmpx.ut_host))
2557 utmpx.ut_syslen = sizeof(utmpx.ut_host);
2559 utmpx.ut_pid = getpid();
2560 utmpx.ut_type = USER_PROCESS;
2562 utmpx.ut_type = DEAD_PROCESS;
2564 gettimeofday(&utmpx.ut_tv, NULL);
2565 updwtmpx("/var/adm/wtmpx", &utmpx);
2569 * get_host_seed - return the serial number of this machine.
2576 if (sysinfo(SI_HW_SERIAL, buf, sizeof(buf)) < 0) {
2577 error("sysinfo: %m");
2580 return (int) strtoul(buf, NULL, 16);
2584 strioctl(fd, cmd, ptr, ilen, olen)
2585 int fd, cmd, ilen, olen;
2588 struct strioctl str;
2594 if (ioctl(fd, I_STR, &str) == -1)
2596 if (str.ic_len != olen)
2597 dbglog("strioctl: expected %d bytes, got %d for cmd %x\n",
2598 olen, str.ic_len, cmd);
2604 * lock - create a lock file for the named lock device
2607 #define LOCK_PREFIX "/var/spool/locks/LK."
2608 static char lock_file[40]; /* name of lock file created */
2618 if (stat(dev, &sbuf) < 0) {
2619 error("Can't get device number for %s: %m", dev);
2622 if ((sbuf.st_mode & S_IFMT) != S_IFCHR) {
2623 error("Can't lock %s: not a character device", dev);
2626 slprintf(lock_file, sizeof(lock_file), "%s%03d.%03d.%03d",
2627 LOCK_PREFIX, major(sbuf.st_dev),
2628 major(sbuf.st_rdev), minor(sbuf.st_rdev));
2630 while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
2632 && (fd = open(lock_file, O_RDONLY, 0)) >= 0) {
2633 /* Read the lock file to find out who has the device locked */
2634 n = read(fd, ascii_pid, 11);
2636 error("Can't read pid from lock file %s", lock_file);
2640 pid = atoi(ascii_pid);
2641 if (pid > 0 && kill(pid, 0) == -1 && errno == ESRCH) {
2642 /* pid no longer exists - remove the lock file */
2643 if (unlink(lock_file) == 0) {
2645 notice("Removed stale lock on %s (pid %d)",
2649 warn("Couldn't remove stale lock on %s",
2652 notice("Device %s is locked by pid %d",
2657 error("Can't create lock file %s: %m", lock_file);
2662 slprintf(ascii_pid, sizeof(ascii_pid), "%10d\n", getpid());
2663 write(fd, ascii_pid, 11);
2670 * unlock - remove our lockfile
2683 * cifroute - delete a route through the addresses given.
2686 cifroute(u, our, his)
2692 memset(&rt, 0, sizeof(rt));
2693 rt.rt_dst.sa_family = AF_INET;
2694 INET_ADDR(rt.rt_dst) = his;
2695 rt.rt_gateway.sa_family = AF_INET;
2696 INET_ADDR(rt.rt_gateway) = our;
2697 rt.rt_flags = RTF_HOST;
2699 if (ioctl(ipfd, SIOCDELRT, &rt) < 0) {
2700 error("Can't delete route: %m");
2708 * have_route_to - determine if the system has a route to the specified
2709 * IP address. Returns 0 if not, 1 if so, -1 if we can't tell.
2710 * `addr' is in network byte order.
2711 * For demand mode to work properly, we have to ignore routes
2712 * through our own interface.
2714 #ifndef T_CURRENT /* needed for Solaris 2.5 */
2715 #define T_CURRENT MI_T_CURRENT
2723 int fd, r, flags, i;
2725 struct T_optmgmt_req req;
2729 struct T_optmgmt_ack ack;
2730 unsigned char space[64];
2733 struct strbuf cbuf, dbuf;
2735 mib2_ipRouteEntry_t routes[8];
2736 mib2_ipRouteEntry_t *rp;
2738 fd = open(mux_dev_name, O_RDWR);
2740 warn("have_route_to: couldn't open %s: %m", mux_dev_name);
2744 req.req.PRIM_type = T_OPTMGMT_REQ;
2745 req.req.OPT_offset = (char *) &req.hdr - (char *) &req;
2746 req.req.OPT_length = sizeof(req.hdr);
2747 req.req.MGMT_flags = T_CURRENT;
2749 req.hdr.level = MIB2_IP;
2753 cbuf.buf = (char *) &req;
2754 cbuf.len = sizeof(req);
2756 if (putmsg(fd, &cbuf, NULL, 0) == -1) {
2757 warn("have_route_to: putmsg: %m");
2763 cbuf.buf = (char *) &ack;
2764 cbuf.maxlen = sizeof(ack);
2765 dbuf.buf = (char *) routes;
2766 dbuf.maxlen = sizeof(routes);
2768 r = getmsg(fd, &cbuf, &dbuf, &flags);
2770 warn("have_route_to: getmsg: %m");
2775 if (cbuf.len < sizeof(struct T_optmgmt_ack)
2776 || ack.ack.PRIM_type != T_OPTMGMT_ACK
2777 || ack.ack.MGMT_flags != T_SUCCESS
2778 || ack.ack.OPT_length < sizeof(struct opthdr)) {
2779 dbglog("have_route_to: bad message len=%d prim=%d",
2780 cbuf.len, ack.ack.PRIM_type);
2785 rh = (struct opthdr *) ((char *)&ack + ack.ack.OPT_offset);
2786 if (rh->level == 0 && rh->name == 0)
2788 if (rh->level != MIB2_IP || rh->name != MIB2_IP_21) {
2789 while (r == MOREDATA)
2790 r = getmsg(fd, NULL, &dbuf, &flags);
2795 nroutes = dbuf.len / sizeof(mib2_ipRouteEntry_t);
2796 for (rp = routes, i = 0; i < nroutes; ++i, ++rp) {
2797 if (rp->ipRouteMask != ~0) {
2798 dbglog("have_route_to: dest=%x gw=%x mask=%x\n",
2799 rp->ipRouteDest, rp->ipRouteNextHop,
2801 if (((addr ^ rp->ipRouteDest) & rp->ipRouteMask) == 0
2802 && rp->ipRouteNextHop != remote_addr)
2808 r = getmsg(fd, NULL, &dbuf, &flags);
2819 * get_pty - get a pty master/slave pair and chown the slave side to
2820 * the uid given. Assumes slave_name points to MAXPATHLEN bytes of space.
2823 get_pty(master_fdp, slave_fdp, slave_name, uid)
2832 mfd = open("/dev/ptmx", O_RDWR);
2834 error("Couldn't open pty master: %m");
2838 pty_name = ptsname(mfd);
2839 if (pty_name == NULL) {
2840 error("Couldn't get name of pty slave");
2844 if (chown(pty_name, uid, -1) < 0)
2845 warn("Couldn't change owner of pty slave: %m");
2846 if (chmod(pty_name, S_IRUSR | S_IWUSR) < 0)
2847 warn("Couldn't change permissions on pty slave: %m");
2848 if (unlockpt(mfd) < 0)
2849 warn("Couldn't unlock pty slave: %m");
2851 sfd = open(pty_name, O_RDWR);
2853 error("Couldn't open pty slave %s: %m", pty_name);
2857 if (ioctl(sfd, I_PUSH, "ptem") < 0)
2858 warn("Couldn't push ptem module on pty slave: %m");
2860 dbglog("Using %s", pty_name);
2861 strlcpy(slave_name, pty_name, MAXPATHLEN);
2868 /********************************************************************
2870 * get_time - Get current time, monotonic if possible.
2873 get_time(struct timeval *tv)
2875 return gettimeofday(tv, NULL);