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//========================================================================== // // src/sys-ecos.c // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 2003, 2004 Free Software Foundation, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### // ####BSDALTCOPYRIGHTBEGIN#### // ------------------------------------------- // Portions of this software may have been derived from FreeBSD, OpenBSD, // or other sources, and if so are covered by the appropriate copyright // and license included herein. // ------------------------------------------- // ####BSDALTCOPYRIGHTEND#### //========================================================================== /* * sys-bsd.c - System-dependent procedures for setting up * PPP interfaces on bsd-4.4-ish systems (including 386BSD, NetBSD, etc.) * * Copyright (c) 1989 Carnegie Mellon University. * Copyright (c) 1995 The Australian National University. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Carnegie Mellon University and The Australian National University. * The names of the Universities may not be used to endorse or promote * products derived from this software without specific prior written * permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint //static char rcsid[] = "$FreeBSD: src/usr.sbin/pppd/sys-bsd.c,v 1.17 1999/08/28 01:19:08 peter Exp $"; #endif /* $NetBSD: sys-bsd.c,v 1.1.1.3 1997/09/26 18:53:04 christos Exp $ */ /* * TODO: */ //========================================================================== #include <pkgconf/system.h> #include <pkgconf/net.h> #include <pkgconf/ppp.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <fcntl.h> #include <termios.h> #include <signal.h> #define _KERNEL 1 #include <sys/param.h> #undef _KERNEL #include <sys/ioctl.h> #include <sys/types.h> #include <sys/socket.h> #include <sys/time.h> #include <sys/stat.h> #ifdef NetBSD1_2 #include <util.h> #endif #ifdef PPP_FILTER #include <net/bpf.h> #endif #include <cyg/ppp/syslog.h> #include <net/if.h> #include <cyg/ppp/net/ppp_defs.h> #include <cyg/ppp/net/if_ppp.h> #include <net/route.h> #include <net/if_dl.h> #include <netinet/in.h> #ifdef IPX_CHANGE #include <netipx/ipx.h> #endif #if RTM_VERSION >= 3 #include <sys/param.h> #if defined(NetBSD) && (NetBSD >= 199703) #include <netinet/if_inarp.h> #else /* NetBSD 1.2D or later */ #include <netinet/if_ether.h> #endif #endif #include "cyg/ppp/pppd.h" #include "cyg/ppp/fsm.h" #include "cyg/ppp/ipcp.h" #include "cyg/ppp/ppp_io.h" #include <cyg/ppp/ppp.h> //========================================================================== static int rtm_seq; static cyg_io_handle_t ppp_handle; /* IO subsystem handle to PPP stream */ struct tty ppp_tty; /* dummy TTY structure */ static cyg_handle_t ppp_rtc; static cyg_resolution_t ppp_rtc_resolution; static int loop_slave = -1; static int loop_master; static unsigned char inbuf[PPP_MTU + PPP_HDRLEN + 100]; /* buffer for chars read from input */ static int sockfd = -1; /* socket for doing interface ioctls */ static int if_is_up; /* the interface is currently up */ static u_int32_t ifaddrs[2]; /* local and remote addresses we set */ static u_int32_t default_route_gateway; /* gateway addr for default route */ static u_int32_t proxy_arp_addr; /* remote addr for proxy arp */ /* Prototypes for procedures local to this file. */ static int dodefaultroute __P((u_int32_t, int)); static int get_ether_addr __P((u_int32_t, struct sockaddr_dl *)); static void wait_input_alarm(cyg_handle_t alarm, cyg_addrword_t data); #ifdef CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS void cyg_ppp_serial_callback( cyg_serial_line_status_t *s, CYG_ADDRWORD priv ); #endif extern u_int32_t netmask; /* IP netmask to set on interface */ //========================================================================== /* * sys_init - System-dependent initialization. */ void sys_init() { if( sockfd == -1 ) { /* Get an internet socket for doing socket ioctl's on. */ if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { syslog(LOG_ERR, "Couldn't create IP socket: %d",errno); die(1); } } ppp_tty.pppd_wakeup = 0; ppp_tty.pppd_thread_running = true; ppp_rtc = cyg_real_time_clock(); ppp_rtc_resolution = cyg_clock_get_resolution( ppp_rtc ); cyg_alarm_create( ppp_rtc, wait_input_alarm, (cyg_addrword_t)&ppp_tty, &ppp_tty.alarm, &ppp_tty.alarm_obj); } //========================================================================== /* * 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() { struct ifreq ifr; db_printf("%s called\n", __PRETTY_FUNCTION__); if (if_is_up) { strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) >= 0 && ((ifr.ifr_flags & IFF_UP) != 0)) { ifr.ifr_flags &= ~IFF_UP; ioctl(sockfd, SIOCSIFFLAGS, &ifr); } } if (ifaddrs[0] != 0) cifaddr(0, ifaddrs[0], ifaddrs[1]); if (default_route_gateway) cifdefaultroute(0, 0, default_route_gateway); if (proxy_arp_addr) cifproxyarp(0, proxy_arp_addr); if( sockfd != -1 ) { close(sockfd); sockfd = -1; } } //========================================================================== #ifdef __ECOS void sys_exit(void) { db_printf("%s called\n", __PRETTY_FUNCTION__); phase = PHASE_DEAD; while( ppp_tty.tx_thread_running ) { db_printf("kick tx thread\n"); cyg_semaphore_post( &ppp_tty.tx_sem ); cyg_thread_delay(100); } ppp_tty.pppd_thread_running = false; cyg_thread_exit(); } #endif //========================================================================== /* * sys_close - Clean up in a child process before execing. */ void sys_close() { db_printf("%s called\n", __PRETTY_FUNCTION__); if (loop_slave >= 0) { close(loop_slave); close(loop_master); } } //========================================================================== /* * sys_check_options - check the options that the user specified */ void sys_check_options() { //db_printf("%s called\n", __PRETTY_FUNCTION__); } //========================================================================== /* * ppp_available - check whether the system has any ppp interfaces * (in fact we check whether we can do an ioctl on ppp0). */ int ppp_available() { int s, ok; struct ifreq ifr; extern char *no_ppp_msg; if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) return 1; /* can't tell */ strncpy(ifr.ifr_name, "ppp0", sizeof (ifr.ifr_name)); ok = ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) >= 0; close(s); no_ppp_msg = "\ This system lacks kernel support for PPP. To include PPP support\n\ in the kernel, please follow the steps detailed in the README.bsd\n\ file in the ppp-2.2 distribution.\n"; return ok; } //========================================================================== /* * establish_ppp - Turn the serial port into a ppp interface. */ void establish_ppp(cyg_io_handle_t handle) { int s; int x; int err; //db_printf("%s called\n", __PRETTY_FUNCTION__); ppp_handle = ppp_tty.t_handle = handle; ppp_tty.t_sc = NULL; s = splsoftnet(); err = cyg_ppp_pppopen( &ppp_tty ); if( err != 0 ) syslog( LOG_ERR, "Couldn't establish PPP interface: %d", err ); /* * Enable debug in the driver if requested. */ if (kdebugflag) { if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGFLAGS, (caddr_t) &x, 0)) < 0) { syslog(LOG_WARNING, "ioctl (PPPIOCGFLAGS): %d",err); } else { x |= (kdebugflag & 0xFF) * SC_DEBUG; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSFLAGS, (caddr_t) &x, 0)) < 0) syslog(LOG_WARNING, "ioctl(PPPIOCSFLAGS): %d",err); } } splx(s); } //========================================================================== /* * restore_loop - reattach the ppp unit to the loopback. */ void restore_loop() { db_printf("%s called\n", __PRETTY_FUNCTION__); } //========================================================================== /* * disestablish_ppp - Restore the serial port to normal operation. * This shouldn't call die() because it's called from die(). */ void disestablish_ppp(cyg_io_handle_t handle) { db_printf("%s called\n", __PRETTY_FUNCTION__); } //========================================================================== /* * Check whether the link seems not to be 8-bit clean. */ void clean_check() { db_printf("%s called\n", __PRETTY_FUNCTION__); } //========================================================================== /* * set_up_tty: Set up the serial port on `fd' for 8 bits, no parity, * at the requested speed, etc. If `local' is true, set CLOCAL * regardless of whether the modem option was specified. * * For *BSD, we assume that speed_t values numerically equal bits/second. */ void set_up_tty(cyg_io_handle_t handle, int local) { cyg_serial_info_t cfg; int err; cyg_uint32 len = sizeof(cfg); err = cyg_io_get_config( handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &cfg, &len); if( err != 0 ) { syslog(LOG_ERR, "cyg_io_get_config: %d",err); die(1); } switch ( flowctl ) { case CYG_PPP_FLOWCTL_DEFAULT: break; case CYG_PPP_FLOWCTL_NONE: cfg.flags &= ~(CYGNUM_SERIAL_FLOW_RTSCTS_RX|CYGNUM_SERIAL_FLOW_RTSCTS_TX| CYGNUM_SERIAL_FLOW_XONXOFF_RX|CYGNUM_SERIAL_FLOW_XONXOFF_TX); break; case CYG_PPP_FLOWCTL_HARDWARE: cfg.flags &= ~(CYGNUM_SERIAL_FLOW_XONXOFF_RX|CYGNUM_SERIAL_FLOW_XONXOFF_TX); cfg.flags |= CYGNUM_SERIAL_FLOW_RTSCTS_RX|CYGNUM_SERIAL_FLOW_RTSCTS_TX; break; case CYG_PPP_FLOWCTL_SOFTWARE: cfg.flags &= ~(CYGNUM_SERIAL_FLOW_RTSCTS_RX|CYGNUM_SERIAL_FLOW_RTSCTS_TX); cfg.flags |= CYGNUM_SERIAL_FLOW_XONXOFF_RX|CYGNUM_SERIAL_FLOW_XONXOFF_TX; break; } if( inspeed != 0 ) cfg.baud = inspeed; err = cyg_io_set_config( handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &cfg, &len); if( err != 0 ) { syslog(LOG_ERR, "cyg_io_set_config: %d",err); die(1); } } //========================================================================== /* * restore_tty - restore the terminal to the saved settings. */ void restore_tty(cyg_io_handle_t handle) { #ifdef CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS if( modem ) { // Restore callback handler if it was set. Cyg_ErrNo err; cyg_uint32 len = sizeof(ppp_tty.serial_callbacks); db_printf("%s called\n", __PRETTY_FUNCTION__); err = cyg_io_set_config( handle, CYG_IO_SET_CONFIG_SERIAL_STATUS_CALLBACK, &ppp_tty.serial_callbacks, &len); if( err != 0 ) { syslog(LOG_ERR, "cyg_io_set_config(restore serial callbacks): %d",err); die(1); } } #endif } //========================================================================== /* * 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; { db_printf("%s called\n", __PRETTY_FUNCTION__); } //========================================================================== /* * output - Output PPP packet. */ void output(unit, p, len) int unit; u_char *p; int len; { Cyg_ErrNo err; struct uio uio; struct iovec iov; int s; if (debug) log_packet(p, len, "sent ", LOG_DEBUG); iov.iov_base = p; iov.iov_len = len; uio.uio_iov = &iov; uio.uio_iovcnt = 1; uio.uio_resid = len; uio.uio_segflg = UIO_USERSPACE; uio.uio_rw = UIO_WRITE; s = splsoftnet(); err = cyg_ppp_pppwrite( &ppp_tty, &uio, 0 ); splx(s); if( err != 0 ) syslog(LOG_ERR, "write: %d",err); } //========================================================================== #ifdef __ECOS static void wait_input_alarm(cyg_handle_t alarm, cyg_addrword_t data) { cyg_thread_release( ppp_tty.pppd_thread ); ppp_tty.pppd_wakeup = 1; } #ifdef CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS void cyg_ppp_serial_callback( cyg_serial_line_status_t *s, CYG_ADDRWORD priv ) { externC int kill_link; // db_printf("serial callback %d %x\n",s->which, s->value ); if( s->which == CYGNUM_SERIAL_STATUS_CARRIERDETECT ) { if( s->value == 0 ) { // CD lost ppp_tty.carrier_detected = 0; kill_link = 1; cyg_thread_release( ppp_tty.pppd_thread ); ppp_tty.pppd_wakeup = 1; } else { // CD up ppp_tty.carrier_detected = 1; } } } #endif static void cyg_ppp_tx_thread(CYG_ADDRWORD arg) { ppp_tty.tx_thread_running = true; // Wait for the PPPD thread to get going and start the PPP // initialization phase. while(phase == PHASE_DEAD) cyg_thread_delay(100); // Now loop until the link goes back down. while( phase != PHASE_DEAD ) { cyg_semaphore_wait( &ppp_tty.tx_sem ); if( phase == PHASE_DEAD ) break; // Call into PPP driver to get transmissions going. This is // only called if some other thread has failed to transmit all // of a packet due to a full buffer, or flow control. cyg_ppp_pppstart( &ppp_tty ); } db_printf("%s exiting\n", __PRETTY_FUNCTION__); ppp_tty.tx_thread_running = false; cyg_thread_exit(); } #endif //========================================================================== /* * wait_input - wait until there is data available on ttyfd, * for the length of time specified by *timo (indefinite * if timo is NULL). */ void wait_input(timo) struct timeval *timo; { // If there are any packets still waiting on the input queue then // return immediately to let the PPPD handle them. if (cyg_ppp_pppcheck(&ppp_tty) != 0) return; if( timo != NULL ) { cyg_tick_count_t trigger = timo->tv_sec*ppp_rtc_resolution.divisor; // If the timeval has a microseconds value, just add another // second on to the trigger time. These are after all just // timeouts, not accurate timings, so a bit of imprecision // will not hurt. if( timo->tv_usec != 0 ) trigger += ppp_rtc_resolution.divisor; trigger += cyg_current_time(); // We set the alarm to retrigger after a second. This is in // case it catches cyg_io_read() at an uninterruptible // point. The alarm is disabled as soon as the read returns, // so the retrigger will usually not happen. cyg_alarm_initialize( ppp_tty.alarm, trigger, ppp_rtc_resolution.divisor ); } for(;;) { int s; cyg_uint32 len = 1; Cyg_ErrNo err; cyg_serial_buf_info_t info; cyg_uint32 ilen = sizeof(info); #if 1 // Work out how many bytes are waiting in the serial device // buffer and read them all at once. If there are none, we // just wait for a single character to arrive. if( cyg_io_get_config( ppp_tty.t_handle, CYG_IO_GET_CONFIG_SERIAL_BUFFER_INFO, &info, &ilen ) == 0 && info.rx_count > 1 ) { len = info.rx_count-1; if( len > sizeof(inbuf) ) len = sizeof(inbuf); } #endif if( timo != NULL ) cyg_alarm_enable( ppp_tty.alarm ); err = cyg_io_read( ppp_handle, &inbuf, &len ); if( timo != NULL ) cyg_alarm_disable( ppp_tty.alarm ); // db_printf("read: err %d len %d byte %02x\n",err,len,inbuf[0]); if( err == 0 ) { int i; // Pass all input data to PPP driver for analysis. If this // turns out to be for the PPPD, it will call // pppasyncctlp() which in turn will set // ppp_tty.pppd_wakeup. We detect that on return from // pppinput() and return to the caller to do pppd // processing. s = splsoftnet(); for( i = 0; i < len; i++ ) { err = cyg_ppp_pppinput( inbuf[i], &ppp_tty ); if( err != 0 ) syslog( LOG_ERR, "pppinput error: %d", err); } splx(s); } else if( err != -EINTR ) syslog( LOG_ERR, "Read error: %d",err); if( ppp_tty.pppd_wakeup ) { ppp_tty.pppd_wakeup = 0; break; } } } //========================================================================== /* * wait_time - wait for a given length of time or until a * signal is received. */ void wait_time(timo) struct timeval *timo; { db_printf("%s called\n", __PRETTY_FUNCTION__); } //========================================================================== /* * read_packet - get a PPP packet from the serial device. */ int read_packet(buf) u_char *buf; { int err; struct uio uio; struct iovec iov; int len = PPP_MTU + PPP_HDRLEN; int s; //db_printf("%s called\n", __PRETTY_FUNCTION__); iov.iov_base = buf; iov.iov_len = len; uio.uio_iov = &iov; uio.uio_iovcnt = 1; uio.uio_resid = len; uio.uio_segflg = UIO_USERSPACE; uio.uio_rw = UIO_READ; s = splsoftnet(); err = cyg_ppp_pppread( &ppp_tty, &uio, 0 ); splx(s); if( err == EWOULDBLOCK ) return -1; if( err != 0 ) { syslog(LOG_ERR, "pppread: %d",err); die(1); } len -= uio.uio_resid; return len; } //========================================================================== /* * ppp_send_config - configure the transmit characteristics of * the ppp interface. */ void ppp_send_config(unit, mtu, asyncmap, pcomp, accomp) int unit, mtu; u_int32_t asyncmap; int pcomp, accomp; { u_int x; struct ifreq ifr; int err; int s; // db_printf("%s: unit %d mtu %d asyncmap %08x pcomp %08x accomp %08x\n", __PRETTY_FUNCTION__, // unit,mtu,asyncmap,pcomp,accomp); strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); ifr.ifr_mtu = mtu; if (ioctl(sockfd, SIOCSIFMTU, (caddr_t) &ifr) < 0) { syslog(LOG_ERR, "ioctl(SIOCSIFMTU): %d",errno); quit(); } s = splsoftnet(); if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSASYNCMAP, (caddr_t) &asyncmap, 0)) < 0) { syslog(LOG_ERR, "ioctl(PPPIOCSASYNCMAP): %d",err); } if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGFLAGS, (caddr_t) &x, 0)) < 0) { syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %d",err); } x = pcomp? x | SC_COMP_PROT: x &~ SC_COMP_PROT; x = accomp? x | SC_COMP_AC: x &~ SC_COMP_AC; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSFLAGS, (caddr_t) &x, 0)) < 0) { syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %d",err); } splx(s); } //========================================================================== /* * ppp_set_xaccm - set the extended transmit ACCM for the interface. */ void ppp_set_xaccm(unit, accm) int unit; ext_accm accm; { int error; int s; //db_printf("%s called\n", __PRETTY_FUNCTION__); s = splsoftnet(); error = cyg_ppp_ppptioctl( &ppp_tty, PPPIOCSXASYNCMAP, (caddr_t)accm, 0 ); splx(s); if( error != 0 ) syslog(LOG_WARNING, "ioctl(set extended ACCM): %d",error); } //========================================================================== /* * ppp_recv_config - configure the receive-side characteristics of * the ppp interface. */ void ppp_recv_config(unit, mru, asyncmap, pcomp, accomp) int unit, mru; u_int32_t asyncmap; int pcomp, accomp; { int x; int err; int s; s = splsoftnet(); if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSMRU, (caddr_t) &mru, 0)) < 0) { syslog(LOG_ERR, "ioctl(PPPIOCSMRU): %d",err); } if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSRASYNCMAP, (caddr_t) &asyncmap, 0)) < 0) { syslog(LOG_ERR, "ioctl(PPPIOCSRASYNCMAP): %d",err); } if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGFLAGS, (caddr_t) &x, 0)) < 0) { syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %d",err); } x = !accomp? x | SC_REJ_COMP_AC: x &~ SC_REJ_COMP_AC; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSFLAGS, (caddr_t) &x, 0)) < 0) { syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %d",err); } splx(s); } //========================================================================== /* * ccp_test - ask kernel whether a given compression method * is acceptable for use. Returns 1 if the method and parameters * are OK, 0 if the method is known but the parameters are not OK * (e.g. code size should be reduced), or -1 if the method is unknown. */ int ccp_test(unit, opt_ptr, opt_len, for_transmit) int unit, opt_len, for_transmit; u_char *opt_ptr; { struct ppp_option_data data; int s; data.ptr = opt_ptr; data.length = opt_len; data.transmit = for_transmit; //db_printf("%s called\n", __PRETTY_FUNCTION__); s = splsoftnet(); errno = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSCOMPRESS, (caddr_t) &data, 0 ); splx(s); if (errno == 0) return 1; else return (errno == ENOBUFS)? 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 x; int err; //db_printf("%s called\n", __PRETTY_FUNCTION__); if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGFLAGS, (caddr_t) &x, 0)) != 0) { syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %d",err); return; } x = isopen? x | SC_CCP_OPEN: x &~ SC_CCP_OPEN; x = isup? x | SC_CCP_UP: x &~ SC_CCP_UP; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSFLAGS, (caddr_t) &x,0)) != 0) syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %d",err); } //========================================================================== /* * ccp_fatal_error - returns 1 if decompression was disabled as a * result of an error detected after decompression of a packet, * 0 otherwise. This is necessary because of patent nonsense. */ int ccp_fatal_error(unit) int unit; { int x; int err; db_printf("%s called\n", __PRETTY_FUNCTION__); if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGFLAGS, (caddr_t) &x, 0)) != 0) { syslog(LOG_ERR, "ioctl(PPPIOCGFLAGS): %d",err); return 0; } return x & SC_DC_FERROR; } //========================================================================== /* * get_idle_time - return how long the link has been idle. */ int get_idle_time(u, ip) int u; struct ppp_idle *ip; { return cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGIDLE, (caddr_t)ip, 0) == 0; } //========================================================================== #ifdef PPP_FILTER /* * set_filters - transfer the pass and active filters to the kernel. */ int set_filters(pass, active) struct bpf_program *pass, *active; { int ret = 1; db_printf("%s called\n", __PRETTY_FUNCTION__); if (pass->bf_len > 0) { if (ioctl(ppp_fd, PPPIOCSPASS, pass) < 0) { syslog(LOG_ERR, "Couldn't set pass-filter in kernel: %m"); ret = 0; } } if (active->bf_len > 0) { if (ioctl(ppp_fd, PPPIOCSACTIVE, active) < 0) { syslog(LOG_ERR, "Couldn't set active-filter in kernel: %m"); ret = 0; } } return ret; } #endif //========================================================================== /* * sifvjcomp - config tcp header compression */ int sifvjcomp(u, vjcomp, cidcomp, maxcid) int u, vjcomp, cidcomp, maxcid; { u_int x; int err; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCGFLAGS, (caddr_t) &x, 0)) != 0) { syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %d",err); return 0; } x = vjcomp ? x | SC_COMP_TCP: x &~ SC_COMP_TCP; x = cidcomp? x & ~SC_NO_TCP_CCID: x | SC_NO_TCP_CCID; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSFLAGS, (caddr_t) &x, 0)) != 0) { syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %d",err); return 0; } if (vjcomp && ((err=cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSMAXCID, (caddr_t) &maxcid, 0)) != 0)) { syslog(LOG_ERR, "ioctl(PPPIOCSMAXCID): %d",err); return 0; } return 1; } //========================================================================== /* * sifup - Config the interface up and enable IP packets to pass. */ int sifup(u) int u; { struct ifreq ifr; //db_printf("%s called\n", __PRETTY_FUNCTION__); strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m"); return 0; } ifr.ifr_flags |= IFF_UP; if (ioctl(sockfd, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) { syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m"); return 0; } if_is_up = 1; return 1; } //========================================================================== /* * sifnpmode - Set the mode for handling packets for a given NP. */ int sifnpmode(u, proto, mode) int u; int proto; enum NPmode mode; { struct npioctl npi; //db_printf("%s called\n", __PRETTY_FUNCTION__); npi.protocol = proto; npi.mode = mode; { int err; if ((err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSNPMODE, (caddr_t)&npi, 0)) < 0) { syslog(LOG_ERR, "ioctl(set NP %d mode to %d): %d", proto, mode,err); return 0; } } return 1; } //========================================================================== /* * sifdown - Config the interface down and disable IP. */ int sifdown(u) int u; { struct ifreq ifr; int rv; struct npioctl npi; db_printf("%s called\n", __PRETTY_FUNCTION__); rv = 1; npi.protocol = PPP_IP; npi.mode = NPMODE_ERROR; { int err = cyg_ppp_ppptioctl(&ppp_tty, PPPIOCSNPMODE, (caddr_t) &npi, 0); if( err < 0 ) syslog(LOG_WARNING, "ioctl(PPPIOCSNPMODE): %d",err); } strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); if (ioctl(sockfd, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m"); rv = 0; } else { ifr.ifr_flags &= ~IFF_UP; if (ioctl(sockfd, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) { syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m"); rv = 0; } else if_is_up = 0; } return rv; return 0; } //========================================================================== /* * SET_SA_FAMILY - set the sa_family field of a struct sockaddr, * if it exists. */ #define SET_SA_FAMILY(addr, family) \ BZERO((char *) &(addr), sizeof(addr)); \ addr.sa_family = (family); \ addr.sa_len = sizeof(addr); //========================================================================== /* * sifaddr - Config the interface IP addresses and netmask. */ int sifaddr(u, o, h, m) int u; u_int32_t o, h, m; { struct ifaliasreq ifra; struct ifreq ifr; //db_printf("%s called\n", __PRETTY_FUNCTION__); strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name)); SET_SA_FAMILY(ifra.ifra_addr, AF_INET); ((struct sockaddr_in *) &ifra.ifra_addr)->sin_addr.s_addr = o; SET_SA_FAMILY(ifra.ifra_broadaddr, AF_INET); ((struct sockaddr_in *) &ifra.ifra_broadaddr)->sin_addr.s_addr = h; if (m != 0) { SET_SA_FAMILY(ifra.ifra_mask, AF_INET); ((struct sockaddr_in *) &ifra.ifra_mask)->sin_addr.s_addr = m; } else BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask)); BZERO(&ifr, sizeof(ifr)); strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifr) < 0) { if (errno != EADDRNOTAVAIL) syslog(LOG_WARNING, "Couldn't remove interface address: %d",errno); } if (ioctl(sockfd, SIOCAIFADDR, (caddr_t) &ifra) < 0) { if (errno != EEXIST) { syslog(LOG_ERR, "Couldn't set interface address: %d",errno); return 0; } syslog(LOG_WARNING, "Couldn't set interface address: Address %s already exists", ip_ntoa(o)); } ifaddrs[0] = o; ifaddrs[1] = h; return 1; } //========================================================================== /* * cifaddr - Clear the interface IP addresses, and delete routes * through the interface if possible. */ int cifaddr(u, o, h) int u; u_int32_t o, h; { struct ifaliasreq ifra; db_printf("%s called\n", __PRETTY_FUNCTION__); ifaddrs[0] = 0; strncpy(ifra.ifra_name, ifname, sizeof(ifra.ifra_name)); SET_SA_FAMILY(ifra.ifra_addr, AF_INET); ((struct sockaddr_in *) &ifra.ifra_addr)->sin_addr.s_addr = o; SET_SA_FAMILY(ifra.ifra_broadaddr, AF_INET); ((struct sockaddr_in *) &ifra.ifra_broadaddr)->sin_addr.s_addr = h; BZERO(&ifra.ifra_mask, sizeof(ifra.ifra_mask)); if (ioctl(sockfd, SIOCDIFADDR, (caddr_t) &ifra) < 0) { if (errno != EADDRNOTAVAIL) syslog(LOG_WARNING, "Couldn't delete interface address: %m"); return 0; } return 1; } //========================================================================== /* * sifdefaultroute - assign a default route through the address given. */ int sifdefaultroute(u, l, g) int u; u_int32_t l, g; { db_printf("%s called\n", __PRETTY_FUNCTION__); return dodefaultroute(g, 's'); } //========================================================================== /* * cifdefaultroute - delete a default route through the address given. */ int cifdefaultroute(u, l, g) int u; u_int32_t l, g; { db_printf("%s called\n", __PRETTY_FUNCTION__); return dodefaultroute(g, 'c'); } //========================================================================== /* * dodefaultroute - talk to a routing socket to add/delete a default route. */ static int dodefaultroute(g, cmd) u_int32_t g; int cmd; { int routes; struct { struct rt_msghdr hdr; struct sockaddr_in dst; struct sockaddr_in gway; struct sockaddr_in mask; } rtmsg; db_printf("%s %08x %c\n", __PRETTY_FUNCTION__,g,cmd); if ((routes = socket(PF_ROUTE, SOCK_RAW, AF_INET)) < 0) { syslog(LOG_ERR, "Couldn't %s default route: socket: %d", cmd=='s'? "add": "delete",errno); return 0; } memset(&rtmsg, 0, sizeof(rtmsg)); rtmsg.hdr.rtm_type = cmd == 's'? RTM_ADD: RTM_DELETE; rtmsg.hdr.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC; rtmsg.hdr.rtm_version = RTM_VERSION; rtmsg.hdr.rtm_seq = ++rtm_seq; rtmsg.hdr.rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK; rtmsg.dst.sin_len = sizeof(rtmsg.dst); rtmsg.dst.sin_family = AF_INET; rtmsg.gway.sin_len = sizeof(rtmsg.gway); rtmsg.gway.sin_family = AF_INET; rtmsg.gway.sin_addr.s_addr = g; rtmsg.mask.sin_len = sizeof(rtmsg.dst); rtmsg.mask.sin_family = AF_INET; rtmsg.hdr.rtm_msglen = sizeof(rtmsg); if (write(routes, &rtmsg, sizeof(rtmsg)) < 0) { syslog(LOG_ERR, "Couldn't %s default route: %d", cmd=='s'? "add": "delete",errno); close(routes); return 0; } close(routes); default_route_gateway = (cmd == 's')? g: 0; return 1; } //========================================================================== #if RTM_VERSION >= 3 /* * sifproxyarp - Make a proxy ARP entry for the peer. */ static struct { struct rt_msghdr hdr; struct sockaddr_inarp dst; struct sockaddr_dl hwa; char extra[128]; } arpmsg; static int arpmsg_valid; int sifproxyarp(unit, hisaddr) int unit; u_int32_t hisaddr; { int routes; db_printf("%s called\n", __PRETTY_FUNCTION__); /* * Get the hardware address of an interface on the same subnet * as our local address. */ memset(&arpmsg, 0, sizeof(arpmsg)); if (!get_ether_addr(hisaddr, &arpmsg.hwa)) { syslog(LOG_ERR, "Cannot determine ethernet address for proxy ARP"); return 0; } if ((routes = socket(PF_ROUTE, SOCK_RAW, AF_INET)) < 0) { syslog(LOG_ERR, "Couldn't add proxy arp entry: socket: %m"); return 0; } arpmsg.hdr.rtm_type = RTM_ADD; arpmsg.hdr.rtm_flags = RTF_ANNOUNCE | RTF_HOST | RTF_STATIC; arpmsg.hdr.rtm_version = RTM_VERSION; arpmsg.hdr.rtm_seq = ++rtm_seq; arpmsg.hdr.rtm_addrs = RTA_DST | RTA_GATEWAY; arpmsg.hdr.rtm_inits = RTV_EXPIRE; arpmsg.dst.sin_len = sizeof(struct sockaddr_inarp); arpmsg.dst.sin_family = AF_INET; arpmsg.dst.sin_addr.s_addr = hisaddr; arpmsg.dst.sin_other = SIN_PROXY; arpmsg.hdr.rtm_msglen = (char *) &arpmsg.hwa - (char *) &arpmsg + arpmsg.hwa.sdl_len; if (write(routes, &arpmsg, arpmsg.hdr.rtm_msglen) < 0) { syslog(LOG_ERR, "Couldn't add proxy arp entry: %m"); close(routes); return 0; } close(routes); arpmsg_valid = 1; proxy_arp_addr = hisaddr; return 1; } /* * cifproxyarp - Delete the proxy ARP entry for the peer. */ int cifproxyarp(unit, hisaddr) int unit; u_int32_t hisaddr; { int routes; db_printf("%s called\n", __PRETTY_FUNCTION__); if (!arpmsg_valid) return 0; arpmsg_valid = 0; arpmsg.hdr.rtm_type = RTM_DELETE; arpmsg.hdr.rtm_seq = ++rtm_seq; if ((routes = socket(PF_ROUTE, SOCK_RAW, AF_INET)) < 0) { syslog(LOG_ERR, "Couldn't delete proxy arp entry: socket: %m"); return 0; } if (write(routes, &arpmsg, arpmsg.hdr.rtm_msglen) < 0) { syslog(LOG_ERR, "Couldn't delete proxy arp entry: %m"); close(routes); return 0; } close(routes); proxy_arp_addr = 0; return 1; } //========================================================================== #else /* RTM_VERSION */ /* * sifproxyarp - Make a proxy ARP entry for the peer. */ int sifproxyarp(unit, hisaddr) int unit; u_int32_t hisaddr; { struct arpreq arpreq; struct { struct sockaddr_dl sdl; char space[128]; } dls; db_printf("%s called\n", __PRETTY_FUNCTION__); BZERO(&arpreq, sizeof(arpreq)); /* * Get the hardware address of an interface on the same subnet * as our local address. */ if (!get_ether_addr(hisaddr, &dls.sdl)) { syslog(LOG_ERR, "Cannot determine ethernet address for proxy ARP"); return 0; } arpreq.arp_ha.sa_len = sizeof(struct sockaddr); arpreq.arp_ha.sa_family = AF_UNSPEC; BCOPY(LLADDR(&dls.sdl), arpreq.arp_ha.sa_data, dls.sdl.sdl_alen); SET_SA_FAMILY(arpreq.arp_pa, AF_INET); ((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr; arpreq.arp_flags = ATF_PERM | ATF_PUBL; if (ioctl(sockfd, SIOCSARP, (caddr_t)&arpreq) < 0) { syslog(LOG_ERR, "Couldn't add proxy arp entry: %m"); return 0; } proxy_arp_addr = hisaddr; return 1; } /* * cifproxyarp - Delete the proxy ARP entry for the peer. */ int cifproxyarp(unit, hisaddr) int unit; u_int32_t hisaddr; { struct arpreq arpreq; db_printf("%s called\n", __PRETTY_FUNCTION__); BZERO(&arpreq, sizeof(arpreq)); SET_SA_FAMILY(arpreq.arp_pa, AF_INET); ((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr; if (ioctl(sockfd, SIOCDARP, (caddr_t)&arpreq) < 0) { syslog(LOG_WARNING, "Couldn't delete proxy arp entry: %m"); return 0; } proxy_arp_addr = 0; return 1; } #endif /* RTM_VERSION */ //========================================================================== /* * get_ether_addr - get the hardware address of an interface on the * the same subnet as ipaddr. */ #define MAX_IFS 32 static int get_ether_addr(ipaddr, hwaddr) u_int32_t ipaddr; struct sockaddr_dl *hwaddr; { struct ifreq *ifr, *ifend, *ifp; u_int32_t ina, mask; struct sockaddr_dl *dla; struct ifreq ifreq; struct ifconf ifc; struct ifreq ifs[MAX_IFS]; db_printf("%s called\n", __PRETTY_FUNCTION__); ifc.ifc_len = sizeof(ifs); ifc.ifc_req = ifs; if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0) { syslog(LOG_ERR, "ioctl(SIOCGIFCONF): %m"); return 0; } /* * Scan through looking for an interface with an Internet * address on the same subnet as `ipaddr'. */ ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len); for (ifr = ifc.ifc_req; ifr < ifend; ifr = (struct ifreq *) ((char *)&ifr->ifr_addr + MAX(ifr->ifr_addr.sa_len, sizeof(ifr->ifr_addr)))) { if (ifr->ifr_addr.sa_family == AF_INET) { ina = ((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr; strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name)); /* * Check that the interface is up, and not point-to-point * or loopback. */ if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0) continue; if ((ifreq.ifr_flags & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP)) != (IFF_UP|IFF_BROADCAST)) continue; /* * Get its netmask and check that it's on the right subnet. */ if (ioctl(sockfd, SIOCGIFNETMASK, &ifreq) < 0) continue; mask = ((struct sockaddr_in *) &ifreq.ifr_addr)->sin_addr.s_addr; if ((ipaddr & mask) != (ina & mask)) continue; break; } } if (ifr >= ifend) return 0; syslog(LOG_INFO, "found interface %s for proxy arp", ifr->ifr_name); /* * Now scan through again looking for a link-level address * for this interface. */ ifp = ifr; for (ifr = ifc.ifc_req; ifr < ifend; ) { if (strcmp(ifp->ifr_name, ifr->ifr_name) == 0 && ifr->ifr_addr.sa_family == AF_LINK) { /* * Found the link-level address - copy it out */ dla = (struct sockaddr_dl *) &ifr->ifr_addr; BCOPY(dla, hwaddr, dla->sdl_len); return 1; } ifr = (struct ifreq *) ((char *)&ifr->ifr_addr + MAX(ifr->ifr_addr.sa_len, sizeof(ifr->ifr_addr))); } return 0; } //========================================================================== /* * Return user specified netmask, modified by any mask we might determine * for address `addr' (in network byte order). * Here we scan through the system's list of interfaces, looking for * any non-point-to-point interfaces which might appear to be on the same * network as `addr'. If we find any, we OR in their netmask to the * user-specified netmask. */ u_int32_t GetMask(addr) u_int32_t addr; { u_int32_t mask, nmask, ina; struct ifreq *ifr, *ifend, ifreq; struct ifconf ifc; struct ifreq ifs[MAX_IFS]; addr = ntohl(addr); if (IN_CLASSA(addr)) /* determine network mask for address class */ nmask = IN_CLASSA_NET; else if (IN_CLASSB(addr)) nmask = IN_CLASSB_NET; else nmask = IN_CLASSC_NET; /* class D nets are disallowed by bad_ip_adrs */ mask = netmask | htonl(nmask); /* * Scan through the system's network interfaces. */ ifc.ifc_len = sizeof(ifs); ifc.ifc_req = ifs; if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0) { syslog(LOG_WARNING, "ioctl(SIOCGIFCONF): %m"); return mask; } ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len); for (ifr = ifc.ifc_req; ifr < ifend; ifr = (struct ifreq *) ((char *)&ifr->ifr_addr + MAX(ifr->ifr_addr.sa_len, sizeof(ifr->ifr_addr)))) { /* * Check the interface's internet address. */ if (ifr->ifr_addr.sa_family != AF_INET) continue; ina = ((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr; if ((ntohl(ina) & nmask) != (addr & nmask)) continue; /* * Check that the interface is up, and not point-to-point or loopback. */ strncpy(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)) != IFF_UP) continue; /* * Get its netmask and OR it into our mask. */ if (ioctl(sockfd, SIOCGIFNETMASK, &ifreq) < 0) continue; mask |= ((struct sockaddr_in *)&ifreq.ifr_addr)->sin_addr.s_addr; } return mask; } //========================================================================== /* * Use the hostid as part of the random number seed. */ int get_host_seed() { //db_printf("%s called\n", __PRETTY_FUNCTION__); #ifndef __ECOS return gethostid(); #endif return 0; } //===================================================================== // PAP stubs // // When omitting PAP, these fill in the dangling references from auth.c // #ifndef CYGPKG_PPP_PAP void upap_authwithpeer(unit, user, password) int unit; char *user, *password; { unit=unit; user=user; password=password; } void upap_authpeer(unit) int unit; { unit=unit; } #endif //===================================================================== // CHAP stubs // // When omitting CHAP, these fill in the dangling references from auth.c // #ifndef CYGPKG_PPP_CHAP void ChapAuthWithPeer(unit, our_name, digest) int unit; char *our_name; int digest; { unit=unit; our_name=our_name; digest=digest; } void ChapAuthPeer(unit, our_name, digest) int unit; char *our_name; int digest; { unit=unit; our_name=our_name; digest=digest; } #endif //===================================================================== // eCos API externC cyg_int32 cyg_ppp_options_init( cyg_ppp_options_t *options ) { if( options == NULL ) return -1; options->debug = 0; options->kdebugflag = 0; options->default_route = 1; options->modem = 0; options->flowctl = CYG_PPP_FLOWCTL_HARDWARE; options->refuse_pap = 0; options->refuse_chap = 0; options->neg_accm = 0; options->conf_accm = 0; options->baud = CYGNUM_SERIAL_BAUD_115200; options->idle_time_limit = 1*60; options->maxconnect = 0; options->our_address = 0; options->his_address = 0; options->script = NULL; strncpy( options->user, CYGPKG_PPP_AUTH_DEFAULT_USER, MAXNAMELEN ); strncpy( options->passwd, CYGPKG_PPP_AUTH_DEFAULT_PASSWD, MAXSECRETLEN ); return 0; } // ------------------------------------------------------------------------- #define CYGNUM_PPP_PPPD_THREAD_STACK_SIZE (CYGNUM_HAL_STACK_SIZE_TYPICAL+0x1000) static char cyg_pppd_stack[CYGNUM_PPP_PPPD_THREAD_STACK_SIZE]; static cyg_thread cyg_pppd_thread_obj; static char cyg_ppp_tx_thread_stack[CYGNUM_HAL_STACK_SIZE_TYPICAL]; static cyg_thread cyg_ppp_tx_thread_obj; externC void cyg_pppd_main(CYG_ADDRWORD arg); externC cyg_ppp_handle_t cyg_ppp_up( const char *devnam_arg, const cyg_ppp_options_t *options ) { if( options == NULL || phase != PHASE_DEAD ) return 0; // Initialize control block memset(&ppp_tty, 0, sizeof(struct tty)); strncpy( devnam, devnam_arg, PATH_MAX ); ppp_tty.options = options; cyg_semaphore_init( &ppp_tty.tx_sem, 0 ); // Start the PPPD thread cyg_thread_create(CYGNUM_PPP_PPPD_THREAD_PRIORITY, cyg_pppd_main, (CYG_ADDRWORD)&ppp_tty, "PPPD", &cyg_pppd_stack[0], CYGNUM_PPP_PPPD_THREAD_STACK_SIZE, &ppp_tty.pppd_thread, &cyg_pppd_thread_obj ); cyg_thread_resume(ppp_tty.pppd_thread); // Start the TX thread cyg_thread_create(CYGNUM_PPP_PPPD_THREAD_PRIORITY+1, cyg_ppp_tx_thread, (CYG_ADDRWORD)&ppp_tty, "PPP Tx Thread", &cyg_ppp_tx_thread_stack[0], sizeof(cyg_ppp_tx_thread_stack), &ppp_tty.tx_thread, &cyg_ppp_tx_thread_obj ); cyg_thread_resume(ppp_tty.tx_thread); // Wait for the PPPD thread to get going and start the PPP // initialization phase. while(phase == PHASE_DEAD) cyg_thread_delay(100); return (cyg_ppp_handle_t)&ppp_tty; } // ------------------------------------------------------------------------- externC char **script; externC void cyg_ppp_options_install( const cyg_ppp_options_t *options ) { debug = options->debug; kdebugflag = options->kdebugflag; modem = options->modem; flowctl = options->flowctl; refuse_pap = options->refuse_pap; refuse_chap = options->refuse_chap; neg_accm = options->neg_accm; conf_accm = options->conf_accm; inspeed = options->baud; idle_time_limit = options->idle_time_limit; maxconnect = options->maxconnect; script = options->script; strncpy( user, &options->user[0], MAXNAMELEN ); strncpy( passwd, &options->passwd[0], MAXSECRETLEN ); } // ------------------------------------------------------------------------- externC cyg_int32 cyg_ppp_down( const cyg_ppp_handle_t handle ) { if( phase != PHASE_DEAD ) { externC int kill_link; kill_link = 1; cyg_thread_release( ppp_tty.pppd_thread ); ppp_tty.pppd_wakeup = 1; return 0; } else return -1; } // ------------------------------------------------------------------------- externC cyg_int32 cyg_ppp_wait_up( cyg_ppp_handle_t handle ) { while(!( (phase == PHASE_NETWORK && ifaddrs[0] != 0) || phase == PHASE_DEAD ) ) cyg_thread_delay(100); return phase == PHASE_NETWORK ? 0 : -1; } // ------------------------------------------------------------------------- externC void cyg_ppp_wait_down( cyg_ppp_handle_t handle ) { while( ppp_tty.tx_thread_running || ppp_tty.pppd_thread_running ) cyg_thread_delay(100); cyg_thread_delete( ppp_tty.tx_thread ); cyg_thread_delete( ppp_tty.pppd_thread ); } // ------------------------------------------------------------------------- #ifdef CYGOPT_PPP_NS_NEGOTIATE externC u_int32_t cyg_ppp_get_neg_addrs(cyg_ppp_neg_addrs_t *addrs) { if (phase == PHASE_NETWORK && ifaddrs[0] != 0) { addrs->local_ip = ipcp_gotoptions[0].ouraddr; addrs->peer_ip = ipcp_hisoptions[0].hisaddr; addrs->pri_dns = ipcp_gotoptions[0].dnsaddr[0]; addrs->alt_dns = ipcp_gotoptions[0].dnsaddr[1]; addrs->pri_wins = ipcp_gotoptions[0].winsaddr[0]; addrs->alt_wins = ipcp_gotoptions[0].winsaddr[1]; return(1); } else { return(0); } } #endif //===================================================================== // eCos extras void syslog( int level, char *fmt, ... ) { va_list ap; int ret; #ifdef CYGPKG_PPP_DEBUG_WARN_ONLY if(!( level == LOG_ERR || level == LOG_WARNING )) return; #endif va_start(ap, fmt); diag_printf("SYSLOG %02x: ",level); ret = diag_vprintf(fmt, ap); diag_printf("\n"); va_end(ap); } //===================================================================== char *crypt (const char *key, const char *salt) { static char res[13]; db_printf("%s called\n", __PRETTY_FUNCTION__); return res; } //===================================================================== /* * Substitute procedures for those systems which don't have * drand48 et al. */ double drand48(void) { return (double)rand() / (double)0x7fffffffL; /* 2**31-1 */ } long mrand48(void) { return rand(); } void srand48(long seedval) { srand(seedval); } //===================================================================== #if 0 #undef MD5Init #undef MD5Update #undef MD5Final #include <sys/types.h> #include <sys/md5.h> void cyg_MD5Init( MD5_CTX *ctx ); void cyg_MD5Update (MD5_CTX *ctx, const unsigned char *buf, unsigned int size); void cyg_MD5Final (unsigned char hash[16], MD5_CTX *ctx); void cyg_ppp_MD5Init( MD5_CTX *ctx ) { db_printf("%s called\n", __PRETTY_FUNCTION__); cyg_MD5Init( ctx ); return; } void cyg_ppp_MD5Update (MD5_CTX *ctx, const unsigned char *buf, unsigned int size) { db_printf("%s called\n", __PRETTY_FUNCTION__); cyg_MD5Update( ctx, buf, size ); return; } void cyg_ppp_MD5Final (unsigned char hash[16], MD5_CTX *ctx) { db_printf("%s called\n", __PRETTY_FUNCTION__); cyg_MD5Final( hash, ctx ); return; } #endif //===================================================================== // End of sys-ecos.c