net/proto-decnet.c

   1 #include <sys/types.h>
   2 #include <sys/socket.h>
   3 #include <sys/un.h>
   4 #include <netinet/in.h>
   5 #include <linux/dn.h>
   6 #include <stdlib.h>
   7 #include "maps.h"       // page_rand
   8 #include "net.h"
   9 #include "random.h"
  10 #include "utils.h"      // ARRAY_SIZE
  11 #include "compat.h"
  12
  13 void decnet_gen_sockaddr(struct sockaddr **addr, socklen_t *addrlen)
  14 {
  15         struct sockaddr_dn *dn;
  16         unsigned int i;
  17
  18         dn = malloc(sizeof(struct sockaddr_dn));
  19         if (dn == NULL)
  20                 return;
  21
  22         dn->sdn_family = PF_DECnet;
  23         dn->sdn_flags = rand();
  24         dn->sdn_objnum = rand();
  25         dn->sdn_objnamel = rand() % 16;
  26         for (i = 0; i < dn->sdn_objnamel; i++)
  27                 dn->sdn_objname[i] = rand();
  28         dn->sdn_add.a_len = rand() % 2;
  29         dn->sdn_add.a_addr[0] = rand();
  30         dn->sdn_add.a_addr[1] = rand();
  31         *addr = (struct sockaddr *) dn;
  32         *addrlen = sizeof(struct sockaddr_dn);
  33 }
  34
  35 void decnet_rand_socket(struct socket_triplet *st)
  36 {
  37         if (rand_bool()) {
  38                 st->type = SOCK_SEQPACKET;
  39                 st->protocol = DNPROTO_NSP;
  40         } else {
  41                 st->type = SOCK_STREAM;
  42                 st->protocol = rand() % PROTO_MAX;
  43         }
  44 }
  45
  46 #define NR_SOL_DECNET_OPTS ARRAY_SIZE(decnet_opts)
  47 static const unsigned int decnet_opts[] = {
  48         SO_CONDATA, SO_CONACCESS, SO_PROXYUSR, SO_LINKINFO,
  49         DSO_CONDATA, DSO_DISDATA, DSO_CONACCESS, DSO_ACCEPTMODE,
  50         DSO_CONACCEPT, DSO_CONREJECT, DSO_LINKINFO, DSO_STREAM,
  51         DSO_SEQPACKET, DSO_MAXWINDOW, DSO_NODELAY, DSO_CORK,
  52         DSO_SERVICES, DSO_INFO
  53 };
  54
  55 void decnet_setsockopt(struct sockopt *so)
  56 {
  57         unsigned char val;
  58
  59         so->level = SOL_DECNET;
  60
  61         val = rand() % NR_SOL_DECNET_OPTS;
  62         so->optname = decnet_opts[val];
  63
  64         // TODO: set optlen correctly
  65
  66 }