X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fsys-sunos4.c;h=3247b737c515dcd2331245eb05cb2bc8fb6f41ba;hp=b0d0eaaf8ef21149abd7b60b920fead6ae1d65b7;hb=7977da267649fee17261d0d163a12863f3534b57;hpb=cb6271cf11b1237286e53124dd7a6ac2e24f6671 diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c index b0d0eaa..3247b73 100644 --- a/pppd/sys-sunos4.c +++ b/pppd/sys-sunos4.c @@ -1,33 +1,74 @@ /* * System-dependent procedures for pppd under SunOS 4. * - * Copyright (c) 1994 The Australian National University. - * All rights reserved. + * Copyright (c) 1994-2002 Paul Mackerras. 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. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: * - * 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. + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. * - * 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. + * 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 + * ". + * + * 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 + * + * 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/)." + * + * 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-sunos4.c,v 1.14 1999/03/16 02:57:07 paulus Exp $"; -#endif +#define RCSID "$Id: sys-sunos4.c,v 1.33 2004/11/04 10:02:26 paulus Exp $" #include #include @@ -67,6 +108,8 @@ extern void *alloca(); #endif #endif /*sparc*/ +static const char rcsid[] = RCSID; + static int pppfd; static int fdmuxid = -1; static int iffd; @@ -201,7 +244,7 @@ sys_check_options() return 1; } - +#if 0 /* * daemon - Detach us from controlling terminal session. */ @@ -225,6 +268,7 @@ daemon(nochdir, noclose) } return 0; } +#endif /* * ppp_available - check whether the system has any ppp interfaces @@ -238,10 +282,10 @@ ppp_available() } /* - * establish_ppp - Turn the serial port into a ppp interface. + * tty_establish_ppp - Turn the serial port into a ppp interface. */ -void -establish_ppp(fd) +int +tty_establish_ppp(fd) int fd; { int i; @@ -262,15 +306,8 @@ establish_ppp(fd) /* Link the serial port under the PPP multiplexor. */ if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0) fatal("Can't link tty to PPP mux: %m"); -} -/* - * restore_loop - reattach the ppp unit to the loopback. - * This doesn't need to do anything because disestablish_ppp does it. - */ -void -restore_loop() -{ + return pppfd; } /* @@ -279,7 +316,7 @@ restore_loop() * modules. This shouldn't call die() because it's called from die(). */ void -disestablish_ppp(fd) +tty_disestablish_ppp(fd) int fd; { int i; @@ -558,12 +595,13 @@ int fd, on; /* * open_loopback - open the device we use for getting packets - * in demand mode. Under Solaris 2, we use our existing fd + * in demand mode. Under SunOS, we use our existing fd * to the ppp driver. */ -void +int open_ppp_loopback() { + return pppfd; } /* @@ -579,8 +617,8 @@ output(unit, p, len) int retries; struct pollfd pfd; - if (debug) - dbglog("sent %P", p, len); + dump_packet("sent", p, len); + if (snoop_send_hook) snoop_send_hook(p, len); data.len = len; data.buf = (caddr_t) p; @@ -610,10 +648,53 @@ wait_input(timo) int t; t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000; - if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR) - fatal("poll: %m"); + if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR) { + if (errno != EAGAIN) + fatal("poll: %m"); + /* we can get EAGAIN on a heavily loaded system, + * just wait a short time and try again. */ + usleep(50000); + } } +/* + * 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 @@ -640,7 +721,7 @@ wait_time(timo) if (n < 0 && errno != EINTR) fatal("select: %m"); } - +#endif /* * read_packet - get a PPP packet from the serial device. @@ -661,7 +742,7 @@ read_packet(buf) flags = 0; len = getmsg(pppfd, &ctrl, &data, &flags); if (len < 0) { - if (errno = EAGAIN || errno == EINTR) + if (errno == EAGAIN || errno == EINTR) return -1; fatal("Error reading packet: %m"); } @@ -697,47 +778,55 @@ get_loop_output() } /* - * ppp_send_config - configure the transmit characteristics of - * the ppp interface. + * netif_set_mtu - set the MTU on the PPP network interface. */ void -ppp_send_config(unit, mtu, asyncmap, pcomp, accomp) +netif_set_mtu(unit, mtu) int unit, mtu; +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); + ifr.ifr_metric = link_mtu; + if (ioctl(sockfd, SIOCSIFMTU, &ifr) < 0) { + error("Couldn't set IP MTU: %m"); + } +} + +/* + * tty_send_config - configure the transmit characteristics of + * the ppp interface. + */ +int +tty_send_config(mtu, asyncmap, pcomp, accomp) + int mtu; u_int32_t asyncmap; int pcomp, accomp; { int cf[2]; - struct ifreq ifr; link_mtu = mtu; if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) { - if (hungup && errno == ENXIO) + if (hungup && errno == ENXIO) { + ++error_count; return; + } error("Couldn't set MTU: %m"); } - if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) { + 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 (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) { + if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) error("Couldn't set prot/AC compression: %m"); - } - - /* set mtu for ip as well */ - memset(&ifr, 0, sizeof(ifr)); - strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname); - ifr.ifr_metric = link_mtu; - if (ioctl(sockfd, SIOCSIFMTU, &ifr) < 0) { - error("Couldn't set IP MTU: %m"); - } } /* - * ppp_set_xaccm - set the extended transmit ACCM for the interface. + * tty_set_xaccm - set the extended transmit ACCM for the interface. */ void -ppp_set_xaccm(unit, accm) +tty_set_xaccm(unit, accm) int unit; ext_accm accm; { @@ -748,12 +837,12 @@ ppp_set_xaccm(unit, accm) } /* - * ppp_recv_config - configure the receive-side characteristics of + * tty_recv_config - configure the receive-side characteristics of * the ppp interface. */ void -ppp_recv_config(unit, mru, asyncmap, pcomp, accomp) - int unit, mru; +tty_recv_config(mru, asyncmap, pcomp, accomp) + int mru; u_int32_t asyncmap; int pcomp, accomp; { @@ -761,18 +850,18 @@ ppp_recv_config(unit, mru, asyncmap, pcomp, accomp) link_mru = mru; if (strioctl(pppfd, PPPIO_MRU, &mru, sizeof(mru), 0) < 0) { - if (hungup && errno == ENXIO) + if (hungup && errno == ENXIO) { + ++error_count; return; + } error("Couldn't set MRU: %m"); } - if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0) { + 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 (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) { + if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) error("Couldn't set prot/AC decompression: %m"); - } } /* @@ -818,6 +907,27 @@ get_idle_time(u, 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 (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; + stats->pkts_in = s.p.ppp_ipackets; + stats->pkts_out = s.p.ppp_opackets; + return 1; +} + /* * ccp_fatal_error - returns 1 if decompression was disabled as a @@ -877,7 +987,7 @@ sifup(u) { struct ifreq ifr; - strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname); + strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) { error("Couldn't mark interface up (get): %m"); return 0; @@ -900,7 +1010,7 @@ sifdown(u) { struct ifreq ifr; - strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname); + strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) { error("Couldn't mark interface down (get): %m"); return 0; @@ -949,7 +1059,7 @@ sifaddr(u, o, h, m) struct ifreq ifr; memset(&ifr, 0, sizeof(ifr)); - strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname); + strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); ifr.ifr_addr.sa_family = AF_INET; INET_ADDR(ifr.ifr_addr) = m; if (ioctl(sockfd, SIOCSIFNETMASK, &ifr) < 0) { @@ -1138,7 +1248,7 @@ get_ether_addr(ipaddr, hwaddr) * Check that the interface is up, and not point-to-point * or loopback. */ - strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name); + strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0) continue; if ((ifreq.ifr_flags & @@ -1171,7 +1281,7 @@ get_ether_addr(ipaddr, hwaddr) error("Couldn't open /dev/nit: %m"); return 0; } - strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name); + strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name)); if (ioctl(nit_fd, NIOCBIND, &ifreq) < 0 || ioctl(nit_fd, SIOCGIFADDR, &ifreq) < 0) { error("Couldn't get hardware address for %s: %m", @@ -1211,9 +1321,9 @@ logwtmp(line, name, host) if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0) return; if (!fstat(fd, &buf)) { - strlcpy(ut.ut_line, sizeof(ut.ut_line), line); - strlcpy(ut.ut_name, sizeof(ut.ut_name), name); - strlcpy(ut.ut_host, sizeof(ut.ut_host), host); + strncpy(ut.ut_line, line, sizeof(ut.ut_line)); + strncpy(ut.ut_name, name, sizeof(ut.ut_name)); + strncpy(ut.ut_host, host, sizeof(ut.ut_host)); (void)time(&ut.ut_time); if (write(fd, (char *)&ut, sizeof(struct utmp)) != sizeof(struct utmp)) (void)ftruncate(fd, buf.st_size); @@ -1271,7 +1381,7 @@ GetMask(addr) /* * Check that the interface is up, and not point-to-point or loopback. */ - strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name); + strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0) continue; if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK)) @@ -1316,6 +1426,7 @@ get_host_seed() return gethostid(); } +#if 0 /* * Code for locking/unlocking the serial device. * This code is derived from chat.c. @@ -1419,6 +1530,57 @@ unlock() lock_file = NULL; } } +#endif /* lock stuff removed */ + +/* + * get_pty - get a pty master/slave pair and chown the slave side + * to the uid given. Assumes slave_name points to >= 12 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 i, mfd, sfd; + char pty_name[12]; + struct termios tios; + + sfd = -1; + for (i = 0; i < 64; ++i) { + slprintf(pty_name, sizeof(pty_name), "/dev/pty%c%x", + 'p' + i / 16, i % 16); + mfd = open(pty_name, O_RDWR, 0); + if (mfd >= 0) { + pty_name[5] = 't'; + sfd = open(pty_name, O_RDWR | O_NOCTTY, 0); + if (sfd >= 0) + break; + close(mfd); + } + } + if (sfd < 0) + return 0; + + strlcpy(slave_name, pty_name, 12); + *master_fdp = mfd; + *slave_fdp = sfd; + fchown(sfd, uid, -1); + fchmod(sfd, S_IRUSR | S_IWUSR); + if (tcgetattr(sfd, &tios) == 0) { + tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB); + tios.c_cflag |= CS8 | CREAD; + tios.c_iflag = IGNPAR | CLOCAL; + tios.c_oflag = 0; + tios.c_lflag = 0; + if (tcsetattr(sfd, TCSAFLUSH, &tios) < 0) + warn("couldn't set attributes on pty: %m"); + } else + warn("couldn't get attributes on pty: %m"); + + return 1; +} /* * SunOS doesn't have strtoul :-(