X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fplugins%2Frp-pppoe%2Fplugin.c;h=93c0906119d7240fd60ba483768c3654ef642f5f;hb=HEAD;hp=bad8113c0ed6f73cb9fc93c84cb5d0b929819919;hpb=dbfeebc9adcf76a50c1d4e9035d5d481914edb43;p=ppp.git diff --git a/pppd/plugins/rp-pppoe/plugin.c b/pppd/plugins/rp-pppoe/plugin.c deleted file mode 100644 index bad8113..0000000 --- a/pppd/plugins/rp-pppoe/plugin.c +++ /dev/null @@ -1,420 +0,0 @@ -/*********************************************************************** -* -* plugin.c -* -* pppd plugin for kernel-mode PPPoE on Linux -* -* Copyright (C) 2001 by Roaring Penguin Software Inc., Michal Ostrowski -* and Jamal Hadi Salim. -* -* Much code and many ideas derived from pppoe plugin by Michal -* Ostrowski and Jamal Hadi Salim, which carries this copyright: -* -* Copyright 2000 Michal Ostrowski , -* Jamal Hadi Salim -* Borrows heavily from the PPPoATM plugin by Mitchell Blank Jr., -* which is based in part on work from Jens Axboe and Paul Mackerras. -* -* This program 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 of the License, or (at your option) any later version. -***********************************************************************/ - -static char const RCSID[] = -"$Id: plugin.c,v 1.1 2001/12/14 02:55:20 mostrows Exp $"; - -#define _GNU_SOURCE 1 -#include "pppoe.h" - -#include "pppd/pppd.h" -#include "pppd/fsm.h" -#include "pppd/lcp.h" -#include "pppd/ipcp.h" -#include "pppd/ccp.h" -#include "pppd/pathnames.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "ppp_defs.h" -#include "if_ppp.h" -#include "if_pppox.h" - -#define _PATH_ETHOPT _ROOT_PATH "/etc/ppp/options." - -/* From sys-linux.c in pppd -- MUST FIX THIS! */ -extern int new_style_driver; - -static char *service = NULL; -static char *acName = NULL; -static char *existingSession = NULL; - -static int PPPoEDevnameHook(const char *name); -static option_t Options[] = { - { "device name", o_wild, (void *) &PPPoEDevnameHook, - "PPPoE device name", - OPT_DEVNAM | OPT_PRIVFIX | OPT_NOARG | OPT_A2STRVAL | OPT_STATIC, - devnam}, - { "rp_pppoe_service", o_string, &service, - "Desired PPPoE service name" }, - { "rp_pppoe_ac", o_string, &acName, - "Desired PPPoE access concentrator name" }, - { "rp_pppoe_sess", o_string, &existingSession, - "Attach to existing session (sessid:macaddr)" }, - { NULL } -}; -int (*OldDevnameHook)(const char *name) = NULL; -static PPPoEConnection *conn = NULL; - -/********************************************************************** - * %FUNCTION: PPPOEInitDevice - * %ARGUMENTS: - * None - * %RETURNS: - * - * %DESCRIPTION: - * Initializes PPPoE device. - ***********************************************************************/ -static int -PPPOEInitDevice(void) -{ - conn = malloc(sizeof(PPPoEConnection)); - if (!conn) { - fatal("Could not allocate memory for PPPoE session"); - } - memset(conn, 0, sizeof(PPPoEConnection)); - if (acName) { - SET_STRING(conn->acName, acName); - } - if (service) { - SET_STRING(conn->serviceName, acName); - } - SET_STRING(conn->ifName, devnam); - conn->discoverySocket = -1; - conn->sessionSocket = -1; - conn->useHostUniq = 1; - return 1; -} - -/********************************************************************** - * %FUNCTION: PPPOEConnectDevice - * %ARGUMENTS: - * None - * %RETURNS: - * Non-negative if all goes well; -1 otherwise - * %DESCRIPTION: - * Connects PPPoE device. - ***********************************************************************/ -static int -PPPOEConnectDevice(void) -{ - struct sockaddr_pppox sp; - - strlcpy(ppp_devnam, devnam, sizeof(ppp_devnam)); - if (existingSession) { - unsigned int mac[ETH_ALEN]; - int i, ses; - if (sscanf(existingSession, "%d:%x:%x:%x:%x:%x:%x", - &ses, &mac[0], &mac[1], &mac[2], - &mac[3], &mac[4], &mac[5]) != 7) { - fatal("Illegal value for rp_pppoe_sess option"); - } - conn->session = htons(ses); - for (i=0; ipeerEth[i] = (unsigned char) mac[i]; - } - } else { - discovery(conn); - if (conn->discoveryState != STATE_SESSION) { - fatal("Unable to complete PPPoE Discovery"); - } - } - -#ifdef HAVE_LICENSE - /* Set PPPoE session-number for further consumption */ - pppd_pppoe_session = ntohs(conn->session); -#endif - - /* Make the session socket */ - conn->sessionSocket = socket(AF_PPPOX, SOCK_STREAM, PX_PROTO_OE); - if (conn->sessionSocket < 0) { - fatal("Failed to create PPPoE socket: %m"); - } - sp.sa_family = AF_PPPOX; - sp.sa_protocol = PX_PROTO_OE; - sp.sa_addr.pppoe.sid = conn->session; - memcpy(sp.sa_addr.pppoe.dev, conn->ifName, IFNAMSIZ); - memcpy(sp.sa_addr.pppoe.remote, conn->peerEth, ETH_ALEN); -#ifdef HAVE_LICENSE - /* Set remote_number for ServPoET */ - sprintf(remote_number, "%02X:%02X:%02X:%02X:%02X:%02X", - (unsigned) conn->peerEth[0], - (unsigned) conn->peerEth[1], - (unsigned) conn->peerEth[2], - (unsigned) conn->peerEth[3], - (unsigned) conn->peerEth[4], - (unsigned) conn->peerEth[5]); -#endif - - if (connect(conn->sessionSocket, (struct sockaddr *) &sp, - sizeof(struct sockaddr_pppox)) < 0) { - fatal("Failed to connect PPPoE socket: %d %m", errno); - return -1; - } - - return conn->sessionSocket; -} - -static void -PPPOESendConfig(int mtu, - u_int32_t asyncmap, - int pcomp, - int accomp) -{ - int sock; - struct ifreq ifr; - - if (mtu > MAX_PPPOE_MTU) { - warn("Couldn't increase MTU to %d", mtu); - mtu = MAX_PPPOE_MTU; - } - sock = socket(AF_INET, SOCK_DGRAM, 0); - if (sock < 0) { - fatal("Couldn't create IP socket: %m"); - } - strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); - ifr.ifr_mtu = mtu; - if (ioctl(sock, SIOCSIFMTU, &ifr) < 0) { - fatal("ioctl(SIOCSIFMTU): %m"); - } - (void) close (sock); -} - - -static void -PPPOERecvConfig(int mru, - u_int32_t asyncmap, - int pcomp, - int accomp) -{ - if (mru > MAX_PPPOE_MTU) { - error("Couldn't increase MRU to %d", mru); - } -} - -/********************************************************************** - * %FUNCTION: PPPOEDisconnectDevice - * %ARGUMENTS: - * None - * %RETURNS: - * Nothing - * %DESCRIPTION: - * Disconnects PPPoE device - ***********************************************************************/ -static void -PPPOEDisconnectDevice(void) -{ - struct sockaddr_pppox sp; - - sp.sa_family = AF_PPPOX; - sp.sa_protocol = PX_PROTO_OE; - sp.sa_addr.pppoe.sid = 0; - memcpy(sp.sa_addr.pppoe.dev, conn->ifName, IFNAMSIZ); - memcpy(sp.sa_addr.pppoe.remote, conn->peerEth, ETH_ALEN); - if (connect(conn->sessionSocket, (struct sockaddr *) &sp, - sizeof(struct sockaddr_pppox)) < 0) { - fatal("Failed to disconnect PPPoE socket: %d %m", errno); - return; - } - close(conn->sessionSocket); -} - -static void -PPPOEDeviceOptions(void) -{ - char buf[256]; - snprintf(buf, 256, _PATH_ETHOPT "%s",devnam); - if(!options_from_file(buf, 0, 0, 1)) - exit(EXIT_OPTION_ERROR); - -} - -struct channel pppoe_channel; - -/********************************************************************** - * %FUNCTION: PPPoEDevnameHook - * %ARGUMENTS: - * name -- name of device - * %RETURNS: - * 1 if we will handle this device; 0 otherwise. - * %DESCRIPTION: - * Checks if name is a valid interface name; if so, returns 1. Also - * sets up devnam (string representation of device). - ***********************************************************************/ -static int -PPPoEDevnameHook(const char *name) -{ - int r = 1; - int fd; - struct ifreq ifr; - - /* Open a socket */ - if ((fd = socket(PF_PACKET, SOCK_RAW, 0)) < 0) { - r = 0; - } - - /* Try getting interface index */ - if (r) { - strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); - if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) { - r = 0; - } else { - if (ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) { - r = 0; - } else { - if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) { - error("Interface %s not Ethernet", name); - r=0; - } - } - } - } - - /* Close socket */ - close(fd); - if (r) { - strncpy(devnam, name, sizeof(devnam)); - if (the_channel != &pppoe_channel) { - - the_channel = &pppoe_channel; - modem = 0; - - lcp_allowoptions[0].neg_accompression = 0; - lcp_wantoptions[0].neg_accompression = 0; - - lcp_allowoptions[0].neg_asyncmap = 0; - lcp_wantoptions[0].neg_asyncmap = 0; - - lcp_allowoptions[0].neg_pcompression = 0; - lcp_wantoptions[0].neg_pcompression = 0; - - ccp_allowoptions[0].deflate = 0 ; - ccp_wantoptions[0].deflate = 0 ; - - ipcp_allowoptions[0].neg_vj=0; - ipcp_wantoptions[0].neg_vj=0; - - ccp_allowoptions[0].bsd_compress = 0; - ccp_wantoptions[0].bsd_compress = 0; - - PPPOEInitDevice(); - } - return 1; - } - - if (OldDevnameHook) r = OldDevnameHook(name); - return r; -} - -/********************************************************************** - * %FUNCTION: plugin_init - * %ARGUMENTS: - * None - * %RETURNS: - * Nothing - * %DESCRIPTION: - * Initializes hooks for pppd plugin - ***********************************************************************/ -void -plugin_init(void) -{ - if (!ppp_available() && !new_style_driver) { - fatal("Linux kernel does not support PPPoE -- are you running 2.4.x?"); - } - - add_options(Options); - - info("RP-PPPoE plugin version %s compiled against pppd %s", - RP_VERSION, VERSION); -} - -/********************************************************************** -*%FUNCTION: fatalSys -*%ARGUMENTS: -* str -- error message -*%RETURNS: -* Nothing -*%DESCRIPTION: -* Prints a message plus the errno value to stderr and syslog and exits. -***********************************************************************/ -void -fatalSys(char const *str) -{ - char buf[1024]; - int i = errno; - sprintf(buf, "%.256s: %.256s", str, strerror(i)); - printErr(buf); - sprintf(buf, "RP-PPPoE: %.256s: %.256s", str, strerror(i)); - sendPADT(conn, buf); - exit(1); -} - -/********************************************************************** -*%FUNCTION: rp_fatal -*%ARGUMENTS: -* str -- error message -*%RETURNS: -* Nothing -*%DESCRIPTION: -* Prints a message to stderr and syslog and exits. -***********************************************************************/ -void -rp_fatal(char const *str) -{ - char buf[1024]; - printErr(str); - sprintf(buf, "RP-PPPoE: %.256s", str); - sendPADT(conn, buf); - exit(1); -} -/********************************************************************** -*%FUNCTION: sysErr -*%ARGUMENTS: -* str -- error message -*%RETURNS: -* Nothing -*%DESCRIPTION: -* Prints a message plus the errno value to syslog. -***********************************************************************/ -void -sysErr(char const *str) -{ - rp_fatal(str); -} - - -struct channel pppoe_channel = { - options: Options, - process_extra_options: &PPPOEDeviceOptions, - check_options: NULL, - connect: &PPPOEConnectDevice, - disconnect: &PPPOEDisconnectDevice, - establish_ppp: &generic_establish_ppp, - disestablish_ppp: &generic_disestablish_ppp, - send_config: &PPPOESendConfig, - recv_config: &PPPOERecvConfig, - close: NULL, - cleanup: NULL -};