net/proto-rose.c

   1 #include <sys/types.h>
   2 #include <sys/socket.h>
   3 #include <sys/un.h>
   4 #include <netinet/in.h>
   5 #include <bits/sockaddr.h>
   6 #include <linux/ax25.h> /* for ax25_address in rose.h */
   7 #include <netrose/rose.h>
   8 #include <stdlib.h>
   9 #include "maps.h"       // page_rand
  10 #include "net.h"
  11 #include "maps.h"       // page_rand
  12 #include "utils.h"      // ARRAY_SIZE
  13 #include "compat.h"
  14
  15 void rose_gen_sockaddr(struct sockaddr **addr, socklen_t *addrlen)
  16 {
  17         struct sockaddr_rose *rose;
  18
  19         rose = malloc(sizeof(struct sockaddr_rose));
  20         if (rose == NULL)
  21                 return;
  22
  23         rose->srose_family = PF_ROSE;
  24         rose->srose_addr.rose_addr[0] = rand();
  25         rose->srose_addr.rose_addr[1] = rand();
  26         rose->srose_addr.rose_addr[2] = rand();
  27         rose->srose_addr.rose_addr[3] = rand();
  28         rose->srose_addr.rose_addr[4] = rand();
  29
  30         memcpy(rose->srose_call.ax25_call, page_rand, 7);
  31
  32         rose->srose_ndigis = rand();
  33
  34         memcpy(rose->srose_digi.ax25_call, page_rand + 7, 7);
  35
  36         *addr = (struct sockaddr *) rose;
  37         *addrlen = sizeof(struct sockaddr_rose);
  38 }
  39
  40 #define NR_SOL_ROSE_OPTS ARRAY_SIZE(rose_opts)
  41 static const unsigned int rose_opts[] = {
  42         ROSE_DEFER, ROSE_T1, ROSE_T2, ROSE_T3,
  43         ROSE_IDLE, ROSE_QBITINCL, ROSE_HOLDBACK };
  44
  45 void rose_setsockopt(struct sockopt *so)
  46 {
  47         unsigned char val;
  48
  49         so->level = SOL_ROSE;
  50
  51         val = rand() % NR_SOL_ROSE_OPTS;
  52         so->optname = rose_opts[val];
  53 }