br2684ctl...
authorms <ms@ea5c0bd1-69bd-2848-81d8-4f18e57aeed8>
Mon, 8 Oct 2007 18:34:12 +0000 (18:34 +0000)
committerms <ms@ea5c0bd1-69bd-2848-81d8-4f18e57aeed8>
Mon, 8 Oct 2007 18:34:12 +0000 (18:34 +0000)
git-svn-id: http://svn.ipfire.org/svn/ipfire/trunk@957 ea5c0bd1-69bd-2848-81d8-4f18e57aeed8

config/rootfiles/common/br2684ctl [new file with mode: 0644]
doc/packages-list.txt
html/cgi-bin/credits.cgi
lfs/br2684ctl [new file with mode: 0644]
make.sh
src/br2684ctl/br2684ctl.c [new file with mode: 0644]

diff --git a/config/rootfiles/common/br2684ctl b/config/rootfiles/common/br2684ctl
new file mode 100644 (file)
index 0000000..7ce61a9
--- /dev/null
@@ -0,0 +1 @@
+usr/bin/br2684ctl
index 19ea8c2..18acba4 100644 (file)
@@ -44,6 +44,7 @@
 * bind-9.3.2
 * binutils-2.16.1
 * bison-2.2
+* br2684ctl
 * bridge-utils-1.1
 * busybox-1.2.2
 * bwm-ng-0.6
index ec0f202..82630c7 100644 (file)
@@ -58,7 +58,7 @@ Vice Project Leader - Christian Schmidt
 Developer - Heiner Schmeling
 (<a href='mailto:cm\@ipfire.org'>cm\@ipfire.org</a>)<br />
 Developer - Sven Nierlein
-(<a href='mailto:cm\@ipfire.org'>affect\@versatel.de</a>)<br />
+(<a href='mailto:affect\@ipfire.org'>affect\@versatel.de</a>)<br />
 Developer - Arne Fitzenreiter
 (<a href='mailto:arne\@ipfire.org'>arne\@ipfire.org</a>)<br />
 Sponsor - Detlef Lampart
diff --git a/lfs/br2684ctl b/lfs/br2684ctl
new file mode 100644 (file)
index 0000000..c0cfcc5
--- /dev/null
@@ -0,0 +1,54 @@
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
+#                                                                             #
+# 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 : $(TARGET)
+
+check : 
+
+download :
+
+md5 : 
+
+###############################################################################
+# Installation Details
+###############################################################################
+
+$(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)
diff --git a/make.sh b/make.sh
index cd054d0..89c7be3 100755 (executable)
--- a/make.sh
+++ b/make.sh
@@ -529,6 +529,7 @@ buildipfire() {
   ipfiremake which
   ipfiremake lsof
   ipfiremake centerim
+  ipfiremake br2684ctl
 }
 
 buildinstaller() {
diff --git a/src/br2684ctl/br2684ctl.c b/src/br2684ctl/br2684ctl.c
new file mode 100644 (file)
index 0000000..a8a71b8
--- /dev/null
@@ -0,0 +1,271 @@
+#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;
+}
+