+++ /dev/null
-###############################################################################
-# #
-# IPFire.org - A linux based firewall #
-# Copyright (C) 2007-2018 IPFire Team <info@ipfire.org> #
-# #
-# 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 3 of the License, or #
-# (at your option) any later version. #
-# #
-# This program 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 this program. If not, see <http://www.gnu.org/licenses/>. #
-# #
-###############################################################################
-
-###############################################################################
-# Definitions
-###############################################################################
-
-include Config
-
-VER = ipfire
-
-THISAPP = br2684ctl
-TARGET = $(DIR_INFO)/$(THISAPP)
-
-###############################################################################
-# Top-level Rules
-###############################################################################
-
-install : $(TARGET)
-
-check :
-
-download :
-
-b2 :
-
-###############################################################################
-# Installation Details
-###############################################################################
-
-$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
- @$(PREBUILD)
- @rm -rf $(DIR_SRC)/br2684ctl
- cd $(DIR_SRC) && gcc $(CFLAGS) -latm $(DIR_SRC)/src/br2684ctl/br2684ctl.c -o br2684ctl
- cd $(DIR_SRC) && install -v -m 755 br2684ctl /usr/bin/br2684ctl
- @rm -rf $(DIR_SRC)/br2684ctl
- @$(POSTBUILD)
+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <syslog.h>
-#include <atm.h>
-#include <linux/atmdev.h>
-#include <linux/atmbr2684.h>
-
-/* Written by Marcell GAL <cell@sch.bme.hu> to make use of the */
-/* ioctls defined in the br2684... kernel patch */
-/* Compile with cc -o br2684ctl br2684ctl.c -latm */
-
-/*
- Modified feb 2001 by Stephen Aaskov (saa@lasat.com)
- - Added daemonization code
- - Added syslog
-
- TODO: Delete interfaces after exit?
-*/
-
-
-#define LOG_NAME "RFC1483/2684 bridge"
-#define LOG_OPTION LOG_PERROR
-#define LOG_FACILITY LOG_LOCAL0
-
-
-int lastsock, lastitf;
-
-
-void fatal(const char *str, int i)
-{
- syslog (LOG_ERR,"Fatal: %s",str);
- exit(-2);
-};
-
-
-void exitFunc(void)
-{
- syslog (LOG_PID,"Daemon terminated\n");
-}
-
-
-int create_pidfile(int num)
-{
- FILE *pidfile = NULL;
- char name[32];
-
- if (num < 0) return -1;
-
- snprintf(name, 20, "/var/run/nas%d.pid", num);
- pidfile = fopen(name, "w");
- if (pidfile == NULL) return -1;
- fprintf(pidfile, "%d", getpid());
- fclose(pidfile);
-
- return 0;
-}
-
-int create_br(char *nstr)
-{
- int num, err;
-
- if(lastsock<0) {
- lastsock = socket(PF_ATMPVC, SOCK_DGRAM, ATM_AAL5);
- }
- if (lastsock<0) {
- syslog(LOG_ERR, "socket creation failed: %s",strerror(errno));
- } else {
- /* create the device with ioctl: */
- num=atoi(nstr);
- if( num>=0 && num<1234567890){
- struct atm_newif_br2684 ni;
- ni.backend_num = ATM_BACKEND_BR2684;
- ni.media = BR2684_MEDIA_ETHERNET;
- ni.mtu = 1500;
- sprintf(ni.ifname, "nas%d", num);
- err=ioctl (lastsock, ATM_NEWBACKENDIF, &ni);
-
- if (err == 0)
- syslog(LOG_INFO, "Interface \"%s\" created sucessfully\n",ni.ifname);
- else
- syslog(LOG_INFO, "Interface \"%s\" could not be created, reason: %s\n",
- ni.ifname,
- strerror(errno));
- lastitf=num; /* even if we didn't create, because existed, assign_vcc wil want to know it! */
- } else {
- syslog(LOG_ERR,"err: strange interface number %d", num );
- }
- }
- return 0;
-}
-
-
-int assign_vcc(char *astr, int encap, int bufsize, struct atm_qos qos)
-{
- int err;
- struct sockaddr_atmpvc addr;
- int fd;
- struct atm_backend_br2684 be;
-
- memset(&addr, 0, sizeof(addr));
- err=text2atm(astr,(struct sockaddr *)(&addr), sizeof(addr), T2A_PVC);
- if (err!=0)
- syslog(LOG_ERR,"Could not parse ATM parameters (error=%d)\n",err);
-
-#if 0
- addr.sap_family = AF_ATMPVC;
- addr.sap_addr.itf = itf;
- addr.sap_addr.vpi = 0;
- addr.sap_addr.vci = vci;
-#endif
- syslog(LOG_INFO,"Communicating over ATM %d.%d.%d, encapsulation: %s\n", addr.sap_addr.itf,
- addr.sap_addr.vpi,
- addr.sap_addr.vci,
- encap?"VC mux":"LLC");
-
- if ((fd = socket(PF_ATMPVC, SOCK_DGRAM, ATM_AAL5)) < 0)
- syslog(LOG_ERR,"failed to create socket %d, reason: %s", errno,strerror(errno));
-
- if (qos.aal == 0) {
- qos.aal = ATM_AAL5;
- qos.txtp.traffic_class = ATM_UBR;
- qos.txtp.max_sdu = 1524;
- qos.txtp.pcr = ATM_MAX_PCR;
- qos.rxtp = qos.txtp;
- }
-
- if ( (err=setsockopt(fd,SOL_SOCKET,SO_SNDBUF, &bufsize ,sizeof(bufsize))) )
- syslog(LOG_ERR,"setsockopt SO_SNDBUF: (%d) %s\n",err, strerror(err));
-
- if (setsockopt(fd, SOL_ATM, SO_ATMQOS, &qos, sizeof(qos)) < 0)
- syslog(LOG_ERR,"setsockopt SO_ATMQOS %d", errno);
-
- err = connect(fd, (struct sockaddr*)&addr, sizeof(struct sockaddr_atmpvc));
-
- if (err < 0)
- fatal("failed to connect on socket", err);
-
- /* attach the vcc to device: */
-
- be.backend_num = ATM_BACKEND_BR2684;
- be.ifspec.method = BR2684_FIND_BYIFNAME;
- sprintf(be.ifspec.spec.ifname, "nas%d", lastitf);
- be.fcs_in = BR2684_FCSIN_NO;
- be.fcs_out = BR2684_FCSOUT_NO;
- be.fcs_auto = 0;
- be.encaps = encap ? BR2684_ENCAPS_VC : BR2684_ENCAPS_LLC;
- be.has_vpiid = 0;
- be.send_padding = 0;
- be.min_size = 0;
- err=ioctl (fd, ATM_SETBACKEND, &be);
- if (err == 0)
- syslog (LOG_INFO,"Interface configured");
- else {
- syslog (LOG_ERR,"Could not configure interface:%s",strerror(errno));
- exit(2);
- }
- return fd ;
-}
-
-
-void usage(char *s)
-{
- printf("usage: %s [-b] [[-c number] [-e 0|1] [-s sndbuf] [-q qos] [-a [itf.]vpi.vci]*]*\n", s);
- exit(1);
-}
-
-
-
-int main (int argc, char **argv)
-{
- int c, background=0, encap=0, sndbuf=8192;
- struct atm_qos reqqos;
- int itfnum;
- lastsock=-1;
- lastitf=0;
-
- /* st qos to 0 */
- memset(&reqqos, 0, sizeof(reqqos));
-
- openlog (LOG_NAME,LOG_OPTION,LOG_FACILITY);
- if (argc>1)
- while ((c = getopt(argc, argv,"q:a:bc:e:s:?h")) !=EOF)
- switch (c) {
- case 'q':
- printf ("optarg : %s",optarg);
- if (text2qos(optarg,&reqqos,0)) fprintf(stderr,"QOS parameter invalid\n");
- break;
- case 'a':
- assign_vcc(optarg, encap, sndbuf, reqqos);
- break;
- case 'b':
- background=1;
- break;
- case 'c':
- create_br(optarg);
- itfnum = atoi(optarg);
- break;
- case 'e':
- encap=(atoi(optarg));
- if(encap<0){
- syslog (LOG_ERR, "invalid encapsulation: %s:\n",optarg);
- encap=0;
- }
- break;
- case 's':
- sndbuf=(atoi(optarg));
- if(sndbuf<0){
- syslog(LOG_ERR, "Invalid sndbuf: %s, using size of 8192 instead\n",optarg);
- sndbuf=8192;
- }
- break;
- case '?':
- case 'h':
- default:
- usage(argv[0]);
- }
- else
- usage(argv[0]);
-
- if (argc != optind) usage(argv[0]);
-
- if(lastsock>=0) close(lastsock);
-
- if (background) {
- pid_t pid;
-
- pid=fork();
- if (pid < 0) {
- fprintf(stderr,"Error detaching\n");
- exit(2);
- } else if (pid)
- exit(0); // This is the parent
-
- // Become a process group and session group leader
- if (setsid()<0) {
- fprintf (stderr,"Could not set process group\n");
- exit(2);
- }
-
- // Fork again to let process group leader exit
- pid = fork();
- if (pid < 0) {
- fprintf(stderr,"Error detaching during second fork\n");
- exit(2);
- } else if (pid)
- exit(0); // This is the parent
-
- // Now we're ready for buisness
- chdir("/"); // Don't keep directories in use
- close(0); close(1); close(2); // Close stdin, -out and -error
- /*
- Note that this implementation does not keep an open
- stdout/err.
- If we need them they can be opened now
- */
-
- }
-
- create_pidfile(itfnum);
-
- syslog (LOG_INFO, "RFC 1483/2684 bridge daemon started\n");
- atexit (exitFunc);
-
- while (1) sleep(30); /* to keep the sockets... */
- return 0;
-}
-