net/can.c

   1 #include <sys/types.h>
   2 #include <sys/socket.h>
   3 #include <sys/un.h>
   4 #include <netinet/in.h>
   5 #include <linux/can.h>
   6 #include <stdlib.h>
   7 #include "net.h"
   8 #include "random.h"
   9 #include "compat.h"
  10
  11 void can_gen_sockaddr(struct sockaddr **addr, socklen_t *addrlen)
  12 {
  13         struct sockaddr_can *can;
  14
  15         can = malloc(sizeof(struct sockaddr_can));
  16         if (can == NULL)
  17                 return;
  18         can->can_family = AF_CAN;
  19         can->can_ifindex = rand();
  20         can->can_addr.tp.rx_id = rand();
  21         can->can_addr.tp.tx_id = rand();
  22         *addr = (struct sockaddr *) can;
  23         *addrlen = sizeof(struct sockaddr_can);
  24 }
  25
  26 void can_rand_socket(struct socket_triplet *st)
  27 {
  28         st->protocol = rand() % 7;  // CAN_NPROTO
  29         st->type = rand() % TYPE_MAX;
  30 }