Line data    Source code

       1             : /* Copyright (C) 2013 by Ben Martin */
       2             : /*
       3             :  * Redistribution and use in source and binary forms, with or without
       4             :  * modification, are permitted provided that the following conditions are met:
       5             : 
       6             :  * Redistributions of source code must retain the above copyright notice, this
       7             :  * list of conditions and the following disclaimer.
       8             : 
       9             :  * Redistributions in binary form must reproduce the above copyright notice,
      10             :  * this list of conditions and the following disclaimer in the documentation
      11             :  * and/or other materials provided with the distribution.
      12             : 
      13             :  * The name of the author may not be used to endorse or promote products
      14             :  * derived from this software without specific prior written permission.
      15             : 
      16             :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
      17             :  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
      18             :  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
      19             :  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      20             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      21             :  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
      22             :  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
      23             :  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
      24             :  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
      25             :  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      26             :  */
      27             : #include <fontforge-config.h>
      28             : 
      29             : #include "inc/gnetwork.h"
      30             : #include "inc/ustring.h"
      31             : 
      32             : #ifdef BUILD_COLLAB
      33             : #include "czmq.h"
      34             : #endif
      35             : 
      36             : #include <sys/types.h>
      37             : #include <sys/stat.h>
      38             : #include <unistd.h>
      39             : #include <stdlib.h>
      40             : #include <stdio.h>
      41             : #include <limits.h>
      42             : 
      43             : #if defined(__MINGW32__)
      44             : #  include <winsock2.h>
      45             : #else
      46             : extern int h_errno;
      47             : #  include <netdb.h>
      48             : #endif
      49             : 
      50             : #include <arpa/inet.h>
      51             : 
      52           0 : char* ff_gethostname( char* outstring, int outstring_sz )
      53             : {
      54             :     char hostname[PATH_MAX+1];
      55           0 :     int rc = 0;
      56             : 
      57           0 :     rc = gethostname( hostname, PATH_MAX );
      58           0 :     if( rc == -1 )
      59             :     {
      60           0 :         strncpy( outstring, "localhost", outstring_sz );
      61           0 :         return outstring;
      62             :     }
      63             : 
      64           0 :     strncpy( outstring, hostname, outstring_sz );
      65           0 :     return outstring;
      66             : }
      67             : 
      68             : 
      69           0 : char* getNetworkAddress( char* outstring )
      70             : {
      71             :     char hostname[PATH_MAX+1];
      72           0 :     int rc = 0;
      73             : 
      74           0 :     rc = gethostname( hostname, PATH_MAX );
      75           0 :     if( rc == -1 )
      76             :     {
      77           0 :         return 0;
      78             :     }
      79           0 :     printf("hostname: %s\n", hostname );
      80           0 :     struct hostent * he = gethostbyname( hostname );
      81           0 :     if( !he )
      82             :     {
      83           0 :         return 0;
      84             :     }
      85           0 :     if( he->h_addrtype != AF_INET && he->h_addrtype != AF_INET6 )
      86             :     {
      87           0 :         return 0;
      88             :     }
      89             : 
      90           0 :     inet_ntop( he->h_addrtype, he->h_addr_list[0],
      91             :                outstring, IPADDRESS_STRING_LENGTH_T-1 );
      92             : 
      93           0 :     return outstring;
      94             : }
      95             : 
      96           0 : char* HostPortPack( char* hostname, int port )
      97             : {
      98             :     static char ret[PATH_MAX+1];
      99           0 :     snprintf(ret,PATH_MAX,"%s:%d",hostname,port);
     100           0 :     return ret;
     101             : }
     102             : 
     103           0 : char* HostPortUnpack( char* packed, int* port, int port_default )
     104             : {
     105           0 :     char* colon = strrchr( packed, ':' );
     106           0 :     if( !colon )
     107             :     {
     108           0 :         *port = port_default;
     109           0 :         return packed;
     110             :     }
     111             : 
     112           0 :     *colon = '\0';
     113           0 :     *port = atoi(colon+1);
     114           0 :     return packed;
     115             : }
     116             : 
     117             : 
     118             : //
     119             : // target must be at least 32 bytes + NUL in length.
     120             : //
     121           0 : char* ff_uuid_generate( char* target )
     122             : {
     123             : #ifdef BUILD_COLLAB
     124             :     zuuid_t *uuid = zuuid_new ();
     125             :     strcpy (target, zuuid_str (uuid));
     126             :     zuuid_destroy (&uuid);
     127             : #else
     128           0 :     strcpy( target, "" );
     129             : #endif // collab guard.
     130             : 
     131           0 :     return target;
     132             : }
     133             : 
     134           0 : int ff_uuid_isValid( char* uuid )
     135             : {
     136           0 :     if( !uuid ) return 0;
     137           0 :     if( !strlen(uuid)) return 0;
     138           0 :     return 1;
     139             : }
     140             :