v0.0.3

AUTHORS

@@ -1,3 +1,8 @@
-* Andrew Williams (nik_doof@users.sourceforge.net)
-* Lee Robinson (boxy@users.sourceforge.net)
-* Mark Harrison (qwaszx@users.sourceforge.net)
+Programmers:
+
+  * Andrew Williams (nik_doof@users.sourceforge.net)
+
+Testing:
+
+  * Lee Robinson (boxy@users.sourceforge.net)
+  * Mark Harrison (qwaszx@users.sourceforge.net)

ChangeLog

@@ -6,3 +6,20 @@ Version 0.02
 
   * New makefile compile/install system
   * Now uses a config file
+
+Version 0.02-1
+
+  * Fatal problems in the packaging, problems with the makefiles
+  * Few minor bugfixes
+
+Version 0.03
+
+  * Error checking code for HTTP returns
+  * Fixed problem with devcheck() not returning properly on ip changes
+    total re-write of the checking methods.
+  * Multiple host support capable of handling upto 10 hosts.
+  * Various speed improvements and bugfixes.
+
+Version 0.04
+
+  *

Makefile.am

@@ -1,3 +1,4 @@
 EXTRA_DIST = TODO ChangeLog
 SUBDIRS = src scripts
- 
+
+TAR = tar 

Makefile.in

@@ -64,6 +64,8 @@ VERSION = @VERSION@
 
 EXTRA_DIST = TODO ChangeLog
 SUBDIRS = src scripts
+
+TAR = tar 
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
 CONFIG_HEADER = ./src/config.h
@@ -75,7 +77,6 @@ missing mkinstalldirs src/config.h.in src/stamp-h.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = gtar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:

README

@@ -1,4 +1,4 @@
-DHSD v0.01 Beta
+DHSD v0.03 Beta
 ---------------
 
 DHSD is a dynamic update engine for the dhs.org dynamic dns service.
@@ -13,5 +13,8 @@ Thanks go to:
 
 	* Sourceforge for hosting my project
 	* Dyfet for his pdetach() code
-        * DFX for his dprintf() code
         * Peter Mac Millan for his base64.c
+        * #linpeople on OpenProjects for various linux ioctl help
+        * #c on efnet for various c coding help
+        * Boxy & Qwaz for the odd testing and bitching
+

TODO

@@ -1,8 +1,8 @@
-* Multiple Device/Host config
-* Setuid/Setgid for daemon
-* More information in Syslog
-* .pid file output and more daemon config options
-* Error checking on http returns
+* Multiple Device/Host config 				(99%)
+* Setuid/Setgid for daemon (needed?)    		(0%)
+* More information in Syslog  				(50%) 
+* .pid file output and more daemon config options	(0%)
+* Error checking on http returns 			(99%)
 
 Possible features:
 

configure

@@ -693,7 +693,7 @@ fi
 
 PACKAGE=dhsd
 
-VERSION=0.02
+VERSION=0.03
 
 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
   { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; }

configure.in

@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_INIT(src/main.c)
-AM_INIT_AUTOMAKE(dhsd, 0.02)
+AM_INIT_AUTOMAKE(dhsd, 0.03)
 AC_PROG_MAKE_SET
 
 dnl Checks for programs.

scripts/Makefile.am

@@ -1,4 +1,4 @@
-EXTRA_DIST = dhsd dhsd.conf
+EXTRA_DIST = dhsd-rh dhsd-deb dhsd.conf
 
 sysconfdir = /etc
 sysconf_DATA = dhsd.conf

scripts/Makefile.in

@@ -61,7 +61,7 @@ MAKEINFO = @MAKEINFO@
 PACKAGE = @PACKAGE@
 VERSION = @VERSION@
 
-EXTRA_DIST = dhsd dhsd.conf
+EXTRA_DIST = dhsd-rh dhsd-deb dhsd.conf
 
 sysconfdir = /etc
 sysconf_DATA = dhsd.conf
@@ -75,7 +75,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = gtar
+TAR = tar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:

scripts/dhsd-deb

@@ -0,0 +1,23 @@
+#!/bin/sh
+# Start/stop the dhsd daemon by Boxy.
+
+test -f /usr/sbin/dhsd || exit 0
+
+case "$1" in
+start)	echo -n "Starting dhsd ... "
+        start-stop-daemon --start --quiet --exec /usr/sbin/dhsd
+	echo "done"
+	;;
+stop)	echo -n "Stopping dhsd ... "
+        start-stop-daemon --stop --quiet --exec /usr/sbin/dhsd
+	echo "done"
+	;;
+restart) echo -n "Re-starting dhsd ... "
+        start-stop-daemon --stop --quiet --exec /usr/sbin/dhsd
+        start-stop-daemon --start --quiet --exec /usr/sbin/dhsd
+	echo "done"
+        ;;
+*)	echo "Usage: /etc/init.d/dhsd start|stop|restart"; exit 1 
+        ;;
+esac
+exit 0

scripts/dhsd.conf

@@ -1,8 +1,9 @@
 # DHSD configure script
 # Please note that CASE MATTERS!
 
-username=usernamehere
-passwd=passwdhere
-host=hosthere
-domain=domainhere
-device=ppp0
+USER=usernamehere
+PASS=passwdhere
+DEV=ppp0
+
+HOST=example1.2y.net
+HOST=example2.2y.net

src/Makefile.am

@@ -3,7 +3,7 @@ prefix = /usr
 EXTRA_DIST = config.h.in stamp-h.in
 
 sbin_PROGRAMS = dhsd
-dhsd_SOURCES = main.c dhsd.h rconfig.c pdetach.c dprintf.c updateip.c devcheck.c base64.c debug.c
+dhsd_SOURCES = main.c dhsd.h rconfig.c pdetach.c updateip.c devcheck.c base64.c debug.c utils.c
 
 if DEBUG
   DBG = -DDEBUG=1

src/Makefile.in

@@ -66,7 +66,7 @@ prefix = /usr
 EXTRA_DIST = config.h.in stamp-h.in
 
 sbin_PROGRAMS = dhsd
-dhsd_SOURCES = main.c dhsd.h rconfig.c pdetach.c dprintf.c updateip.c devcheck.c base64.c debug.c
+dhsd_SOURCES = main.c dhsd.h rconfig.c pdetach.c updateip.c devcheck.c base64.c debug.c utils.c
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
 CONFIG_HEADER = ../src/config.h
 CONFIG_CLEAN_FILES = 
@@ -77,8 +77,8 @@ DEFS = @DEFS@ -I. -I$(srcdir) -I../src
 CPPFLAGS = @CPPFLAGS@
 LDFLAGS = @LDFLAGS@
 LIBS = @LIBS@
-dhsd_OBJECTS =  main.o rconfig.o pdetach.o dprintf.o updateip.o \
-devcheck.o base64.o debug.o
+dhsd_OBJECTS =  main.o rconfig.o pdetach.o updateip.o devcheck.o \
+base64.o debug.o utils.o
 dhsd_LDADD = $(LDADD)
 dhsd_DEPENDENCIES = 
 dhsd_LDFLAGS = 
@@ -91,7 +91,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = gtar
+TAR = tar
 GZIP_ENV = --best
 SOURCES = $(dhsd_SOURCES)
 OBJECTS = $(dhsd_OBJECTS)

src/base64.c

@@ -49,7 +49,7 @@ void benc( unsigned char *dst, unsigned char *s )
 
 void encbasic( char *d, const char *u, const char *p )
 {
-   char _buf[4*1024];
+   char _buf[1024];
    
    sprintf( _buf, "%s:%s", u, p);
    benc( d, _buf);

src/debug.c

@@ -21,22 +21,33 @@
 #include "dhsd.h"
 #include <stdio.h>
 #include <unistd.h>
+#include <signal.h>
 
 void han_segv()
 {
+
+   /* TODO: add a method of debugging...dunno how! */
+
 #ifdef HAVE_SYSLOG_H
+   syslog(LOG_NOTICE,"Segmentation fault...exiting safely...");
    closelog();
 #endif
    close(sockfd);
    pdebug("SegFault in DHSD...exiting safely...");
-   //return 1;
-   exit(0);
+   
+   signal(SIGSEGV,SIG_DFL);
 }
 
 void pdebug(char *dmsg)
 {
 #ifdef DEBUG
-   printf("DhsD Debug: %s\n",dmsg);
+   
+#ifndef HAVE_SYSLOG_H
+printf("DHSD Debug: %s\n",dmsg);
+#else
+syslog(LOG_DEBUG,"DHSD Debug: %s",dmsg);
+#endif
+
 #endif
 }  
 

src/devcheck.c

@@ -32,14 +32,11 @@
 int devcheck(char *dev)
 {
    int fd;
+   int strl;
    struct sockaddr *sa;
    struct sockaddr_in *sin;
    struct ifreq ifr;
 
-   char *toldaddr;
-
-   toldaddr = oldaddr;
-
    fd = socket(PF_INET,SOCK_STREAM,0);
    if (fd == -1) {
       pdebug("socket() failed");
@@ -49,17 +46,19 @@ int devcheck(char *dev)
    /* Copy the interface name into the buffer */
    strncpy(ifr.ifr_name,dev,IFNAMSIZ);
         
-   if (ioctl(fd,SIOCGIFADDR,&ifr) == -1) {
+   if (ioctl(fd,SIOCGIFADDR,&ifr)) {
       pdebug("device ioctl failed");
-      oldaddr = '\0'; // Hackaratus?
+      //oldaddr = 0; // Hackaratus?
       return -1;
    }
    /* Now the buffer will contain the information we requested */
    sa = (struct sockaddr *)&(ifr.ifr_addr);
    if (sa->sa_family == AF_INET) {
       sin = (struct sockaddr_in*) sa;
-      if (inet_ntoa(sin->sin_addr) != toldaddr) {
-         oldaddr = inet_ntoa(sin->sin_addr); 
+      if (inet_addr(inet_ntoa(sin->sin_addr)) != oldaddr) {
+   	 oldaddr = inet_addr(inet_ntoa(sin->sin_addr));
+         strl = strlen(inet_ntoa(sin->sin_addr)); 
+         strncpy(coldaddr,inet_ntoa(sin->sin_addr),strl);
          close(fd);
          return 1;
       } else {
@@ -67,7 +66,7 @@ int devcheck(char *dev)
          return 0;
       }
    } else {
-      printf(": Unknown Address Family (%d)\n",sa->sa_family);
+      pdebug("Unknown Address Family");
    }
 
    close(fd);

src/dhsd.h

@@ -25,7 +25,7 @@
 #include "config.h"
 #endif
 
-#define DHSD_CONFIG "/etc/dhsd.conf"
+#define DHSD_DEF_CONFIG "/etc/dhsd.conf"
 
 #define DHS_IP "209.249.50.99"
 #define DHS_PORT 80
@@ -40,16 +40,14 @@
 // pdetach.c - by dyfet@sourceforge.net
 void pdetach(void);
 
-// dprintf.c - by dfx@sourceforge.net
-void dprintf(int fd, char *format, ...);
-
 // devcheck.c
-char *oldaddr;
+unsigned long int oldaddr;
+char coldaddr[32];
 int devcheck(char *dev);
 
 // updateip.c
 int sockfd;
-int updateip(char *ipaddr, char *dhsdom, char *dhshost);
+int updateip(char *ipaddr, char *host);
 
 // debug.c
 void han_segv();
@@ -59,11 +57,23 @@ void pdebug(char *dmsg);
 void encbasic( char *d, const char *u, const char *p );
 
 // rconfig.c
-char dhs_username[10];
-char dhs_passwd[10];
-char dhs_host[10];
-char dhs_domain[10];
-char conf_dev[10];
+struct cdata config;
+char dhsd_config[255];
 int rconfig(char *filename);
 
+struct cdata
+{
+  char username[32];
+  char passwd[32];
+  char host[10][32];
+  char device[10];
+  int noofhosts;
+};
+
+// utils.c
+void splitstr(char *src, char delim,  char *dest1, char *dest2);
+
+// UNTESTED BETA
+void filtercr(char *str);
+
 #endif

src/dprintf.c

@@ -1,17 +0,0 @@
-#include <stdio.h>
-#include <stdarg.h>
-#include <unistd.h>
-
-#define BUFLEN 4096
-
-void dprintf(int fd, char *format, ...)
-{
-   va_list arglist;
-   char buffer[BUFLEN];
-
-   va_start(arglist, format);
-   vsnprintf(buffer, BUFLEN, format, arglist);
-   va_end(arglist);
-
-   write(fd, buffer, strlen(buffer));
-}

src/main.c

@@ -34,58 +34,72 @@ void cleanup()
   exit(0);
 }
 
-
-int main(void)
+void sig_hup()
 {
-  int doext;
-  char verstring[255];
-  int res;
+#ifdef USE_SYSLOG
+  syslog(LOG_NOTICE,"HUP recived, reloading config");
+#endif
+  pdebug("Reloading config");
+  if (rconfig(dhsd_config)) {
+#ifdef USE_SYSLOG
+    syslog(LOG_NOTICE,"Config file cant be found, or invalid...exiting");
+#endif
+    pdebug("Config not found!");
+    exit(0);
+  }
+}
+
+int main(int argc, char **argv)
+{
+  int i, res, doext;
 
-  printf("DhsD %s\n\n",VERSION);
-  printf("Detaching to daemon...\n");
 #ifndef DEBUG
   pdetach();
+  signal(SIGSEGV,han_segv);
 #endif
   signal(SIGINT,cleanup);
   signal(SIGKILL,cleanup);
-#ifndef DEBUG
-  signal(SIGSEGV,han_segv);
-#endif
+  signal(SIGHUP,sig_hup);
 
 #ifdef HAVE_SYSLOG_H
-  verstring[0] = '\0';
   openlog("dhsd",LOG_PID,LOG_DAEMON);
-  sprintf(verstring, "DhsD %s loaded...",VERSION);
-  syslog(LOG_NOTICE,verstring);
+  syslog(LOG_NOTICE,"DHSD %s loaded...",VERSION);
 #endif
 
-  res = rconfig(DHSD_CONFIG);
-  if (res == -1) {
+  /* Loop here for multiple argvs */
+
+  if(argv[1]) {
+    strncpy(dhsd_config,argv[1],strlen(argv[1]));
+  } else {
+    strncpy(dhsd_config,DHSD_DEF_CONFIG,strlen(DHSD_DEF_CONFIG));
+  }
+  if (rconfig(dhsd_config)) {
 #ifdef USE_SYSLOG
-    syslog(LOG_ERR,"Config file cant be found, or invalid...exiting");
+    syslog(LOG_NOTICE,"Config file cant be found, or invalid...exiting");
 #endif
     pdebug("Config not found!");
     exit(0);
   }  
 
   do {
-    if (devcheck(conf_dev) == 1) {
+    if (devcheck(config.device)) {
 #ifdef HAVE_SYSLOG_H  
       syslog(LOG_NOTICE,"device ip has changed, update initiated...");
 #endif
+
+      i = 0;
+
       do {
-       res = updateip(oldaddr,dhs_domain,dhs_host);
-       if (res != 0) {
+        while(updateip(coldaddr,config.host[i])) {;
           sleep(SLEEP_TIME);
-       }
-      } while(res != 0);  
-#ifdef HAVE_SYSLOG_H
-      syslog(LOG_NOTICE,"update complete");
-#endif
+        };
+        i++;
+      } while(i != config.noofhosts);
+    
     }
     doext = 0;
     sleep(SLEEP_TIME);
-  } while(doext == 0); 
+  } while(!doext); 
   
   cleanup();
   return 0;

src/rconfig.c

@@ -22,40 +22,47 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "dhsd.h"
 
+void addhost (char *hostname)
+{
+  strncat(config.host[config.noofhosts], hostname, strlen(hostname));
+  pdebug(hostname);
+  config.noofhosts++;
+}
+
 void parseline(char *strbuf)
 {
   int strl;
   int i = 0;
-  char cmd[10];
-  char arg[10];
+  char cmd[20];
+  char arg[20];
 
-  bzero(cmd,10);
-  bzero(arg,10);
+  bzero(cmd,sizeof(cmd));
+  bzero(arg,sizeof(arg));
 
-  strl = strlen(strbuf);
+  //filtercr(strbuf);
+  strbuf[strlen(strbuf)-1] = '\0';
 
-  if (strl > 0) {
-    if (strbuf[0] == '#') return;
-    if (strbuf[0] == '\n') return;
-    while (i < strl) {
-      if (strbuf[i] == '=') {
-        strncpy(cmd, &strbuf[0], i);
-        strncpy(arg, &strbuf[i+1], strlen(strbuf)-i-1);
-        cmd[strlen(cmd)] = '\0';
-        arg[strlen(arg)-1] = '\0';
-        break;
-      }
-      i++;
-    };  
+  splitstr(strbuf, '=', cmd, arg);
 
-    if(strcmp("username",cmd) == 0) { strncat(dhs_username, arg, strlen(arg)); return; }
-    if(strcmp("passwd",cmd) == 0) { strncat(dhs_passwd, arg, strlen(arg)); return; }
-    if(strcmp("host",cmd) == 0) { strncat(dhs_host, arg, strlen(arg)); return; }
-    if(strcmp("domain",cmd) == 0) { strncat(dhs_domain, arg, strlen(arg)); return; }
-    if(strcmp("device",cmd) == 0) { strncat(conf_dev, arg, strlen(arg)); return; }
+  if(!strcasecmp("USER",cmd)) { 
+    strncat(config.username, arg, strlen(arg));
+    return; 
+  }
+  if(!strcasecmp("PASS",cmd)) { 
+    strncat(config.passwd, arg, strlen(arg)); 
+    return; 
+  }
+  if(!strcasecmp("HOST",cmd)) {
+    addhost(arg); 
+    return;
+  }
+  if(!strcasecmp("DEV",cmd)) {
+    strncat(config.device, arg, strlen(arg));
+    return;
   }
 } 
 
@@ -68,21 +75,21 @@ int rconfig(char *filename)
   {
     filefd = fopen(filename,"r");
   } else {
-    filefd = fopen(DHSD_CONFIG,"r");
+    filefd = fopen(DHSD_DEF_CONFIG,"r");
   }
-  if (filefd == 0) {
+  if (!filefd) {
     return -1;
   }
   /* Zero the strings */
-  bzero(dhs_username,10);
-  bzero(dhs_passwd,10);
-  bzero(dhs_host,10);
-  bzero(dhs_domain,10);
-  bzero(conf_dev,4);
+  bzero(config.username,sizeof(config.username));
+  bzero(config.passwd,sizeof(config.passwd));
+  bzero(config.host,sizeof(config.host));
+  bzero(config.device,sizeof(config.device));
+  config.noofhosts = 0;
 
   /* Start parsing the file */
 
-  while (fgets(strbuf, 255, filefd)) {
+  while (fgets(strbuf, 255, filefd) != NULL) {
     if (strbuf) {
       parseline(strbuf);
     }
@@ -90,6 +97,11 @@ int rconfig(char *filename)
 
   fclose(filefd);
 
-  return 0;
+  if(config.username && config.passwd && config.device && config.noofhosts) { 
+    return 0;
+  } else {
+    return -1;
+  }
+
 }
   

src/updateip.c

@@ -48,7 +48,7 @@ int sconnect(char *ip)
    return isock;
 }
 
-int updateip(char *ipaddr, char *dhsdom, char *dhshost)
+int updateip(char *ipaddr, char *host)
 {
   char post_data[128];
   char post_head[128];
@@ -60,14 +60,23 @@ int updateip(char *ipaddr, char *dhsdom, char *dhshost)
   char b64str[64];
   int ibytes;
 
-  encbasic(b64str,dhs_username,dhs_passwd);
-  sprintf(chostname,"%s.%s",dhshost,dhsdom);
+  char hostn[32];
+  char domn[32];
+
+  bzero(hostn,32);
+  bzero(domn,32);
+
+  splitstr(host, '.', hostn, domn);
+
+  encbasic(b64str,config.username,config.passwd);
 
   sprintf(auth_head,"Authorization: Basic %s\r\n",b64str);
- 
-  sprintf(post_data,"%stype=4&updatetype=Online&hostscmd=edit&hostscmdstage=2&ip=%s&mx=%s&domain=%s&hostname=%s",DHS_ADDR,ipaddr,chostname,dhsdom,dhshost);
+
+  sprintf(post_data,"%stype=4&updatetype=Online&hostscmd=edit&hostscmdstage=2&ip=%s&mx=%s&domain=%s&hostname=%s",DHS_ADDR,ipaddr,host,domn,hostn);
   sprintf(post_head,"GET %s HTTP/1.0\r\n",post_data);
 
+  pdebug(post_head);
+
   sockfd = sconnect(DHS_IP);
   if (sockfd == -1) {
     pdebug("sconnect() failed");
@@ -76,8 +85,6 @@ int updateip(char *ipaddr, char *dhsdom, char *dhshost)
 
   sprintf(outbuf,"%s%s\r\n\r\n",post_head,auth_head);
 
-  //pdebug(outbuf);
-
   send(sockfd,outbuf,strlen(outbuf),0);
 
   do {
@@ -87,12 +94,34 @@ int updateip(char *ipaddr, char *dhsdom, char *dhshost)
       strncat(databuf,tmpdatabuf,strlen(tmpdatabuf));
     }
   } while (ibytes > 0);
-  pdebug(databuf);
 
-  fclose(sockfd);
+  close(sockfd);
 
-  /* Some error checking code could be handy... */
+  /* Some very basic error checkin */
 
-  return 0;
+  if(strstr(databuf,"401")) {
+#if HAVE_SYSLOG_H
+    syslog(LOG_NOTICE,"%s: authorization failed",host);
+#endif
+    pdebug("Auth Failed");
+    return 0;
+  }
+  if (strstr(databuf,"wombat.dhs.org:")) {
+#ifdef HAVE_SYSLOG_H
+    syslog(LOG_NOTICE,"%s: update complete",host);
+#endif
+    return 0;
+  }
+  if (strstr(databuf,"The update has already been done previously.")) {  
+#ifdef HAVE_SYSLOG_H
+   syslog(LOG_NOTICE,"%s: update already occured",host);
+#endif   
+   pdebug("update already occured! returning success..."); 
+   return 0;
+  }
+
+  /* if all else fails...send a error */
+  return -1;
 }
  
+

src/utils.c

@@ -0,0 +1,66 @@
+/*
+   DHSD utils.c - Utillity code
+   Copyright (C) 2000 Andrew Williams 
+
+   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.
+   
+   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, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+   USA
+
+*/
+
+
+void splitstr(char *src, char delim,  char *dest1, char *dest2)
+{        
+  int strl, i;
+        
+  i = 0;
+  strl = strlen(src);
+      
+  if (strl > 0) {
+    while (i < strl) {
+      if (src[i] == delim) {
+        strncpy(dest1, &src[0], i);
+        strncpy(dest2, &src[i+1], strlen(src)-i-1);
+        dest1[strlen(dest1)] = '\0';
+        dest2[strlen(dest2)] = '\0';
+        break;
+      }
+      i++;
+    };
+  }
+}
+        
+void filtercr(char *str)
+{
+  int i;
+  int strl;
+  char tmpstr[256];
+
+  i = 0;
+  strl = strlen(str);
+  bzero(tmpstr,256);
+
+
+  if (strl > 0) {
+    while (i < strl) {
+      if (str[i] == '\n') {
+        strncpy(tmpstr, &str[0], i-1);
+        tmpstr[strlen(tmpstr)] = '\0';
+        bzero(str,strl);
+        str = tmpstr;
+      }
+      i++;
+    };
+  }
+}