Usermode/Libraries/libc.so_src/sockets.c

   1 /*
   2  * Acess2 C Library
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * sockets.c
   6  * - POSIX Sockets translation/emulation
   7  */
   8 #include <acess/sys.h>
   9 #include <sys/socket.h>
  10
  11 #define MAX_SOCKS       64
  12
  13 struct {
  14          int    AddrType;
  15         const char      *ListenFile;
  16         const char      *ConnectFile;
  17         char    RemoteAddr[16]; // If != 0, bind to a remote addr
  18 } gaSockInfo[MAX_SOCKS]
  19
  20 // === CODE ===
  21 int socket(int domain, int type, int protocol)
  22 {
  23          int    fd, addrType=0;
  24         const char      *listenFile, *connectFile;
  25
  26         // Validation
  27         switch(domain)
  28         {
  29         case PF_INET:
  30                 addrType = AF_INET;
  31         case PF_INET6:
  32                 if(addrType == 0)       addrType = AF_INET6;
  33                 switch(type)
  34                 {
  35                 case SOCK_STREAM:
  36                         listenFile = "tcps";
  37                         connectFile = "tcpc";
  38                         break;
  39                 case SOCK_DGRAM:
  40                         listenFile = "udp";
  41                         connectFile = "udp";
  42                         break;
  43                 default:
  44                         errno = EINVAL;
  45                         return -1;
  46                 }
  47                 break;
  48         default:
  49                 errno = EINVAL;
  50                 return -1;
  51         }
  52
  53         fd = open("/Devices/null", 0);
  54         if(fd == -1) {
  55                 return -1;
  56         }
  57
  58         if( fd >= MAX_SOCKS ) {
  59                 close(fd);
  60                 errno = ENFILE;
  61                 return -1;
  62         }
  63
  64         gaSockInfo[fd].AddrType = 0;
  65         gaSockInfo[fd].ListenFile = listenFile;
  66         gaSockInfo[fd].ConnectFile = connectFile;
  67         memset( gaSockInfo[fd].RemoteAddr, 0, sizeof(gaSockInfo[fd].RemoteAddr) );
  68
  69         return fd;
  70 }