reactos/services/dhcpd/src/main.c

   1 #include <headers.h>
   2 #include <datatypes.h>
   3 #include <options.h>
   4 #include <display.h>
   5 #include <leases.h>
   6 #include <parser.h>
   7
   8 #define MYPORT  67
   9 DHCPLIST *list;
  10 /*DHCPLIST *leased_list;*/
  11
  12 int main( int argc, char *argv[] )
  13 {
  14 #ifdef __MINGW32__
  15   WSADATA wsaData;
  16   int nCode;
  17 #endif
  18   int sockfd;
  19   struct sockaddr_in my_addr;
  20   struct sockaddr_in their_addr;
  21   int addr_len, numbytes;
  22   DHCPMESSAGE dhcpm;
  23   DHCPOPTIONS dhcpo;
  24
  25 #ifdef __MINGW32__
  26   if ((nCode = WSAStartup(MAKEWORD(1, 1), &wsaData)) != 0)
  27     {
  28       perror("WSAStartup");
  29       return 0;
  30     }
  31 #endif
  32
  33   if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
  34     perror("socket");
  35     exit(1);
  36   }
  37
  38   init_leases_list();
  39
  40   my_addr.sin_family = AF_INET;
  41   my_addr.sin_port = htons(MYPORT);
  42   my_addr.sin_addr.s_addr = INADDR_ANY;
  43   memset(&(my_addr.sin_zero), '\0', 8);
  44
  45   if (bind(sockfd, (struct sockaddr *)&my_addr,
  46            sizeof(struct sockaddr)) == -1) {
  47     perror("bind");
  48     exit(1);
  49   }
  50
  51   addr_len = sizeof(struct sockaddr);
  52   while((numbytes=recvfrom(sockfd,&dhcpm, sizeof( DHCPMESSAGE ), 0,
  53                          (struct sockaddr *)&their_addr, &addr_len)) != -1) {
  54     /* Parse DHCP */
  55     display_dhcp_packet( &dhcpm, &dhcpo );
  56     if( parse_dhcp_options( &dhcpm, &dhcpo ) < 0 )
  57       continue;
  58     if( display_dhcp_packet( &dhcpm, &dhcpo ) < 0 )
  59       continue;
  60     if( process_dhcp_packet( &dhcpm, &dhcpo ) < 0 )
  61       continue;
  62   }
  63
  64   close(sockfd);
  65
  66 #ifdef __MINGW32__
  67   WSACleanup();
  68 #endif
  69
  70   return 0;
  71
  72 }