ibss.c

   1 #include <errno.h>
   2
   3 #include <netlink/genl/genl.h>
   4 #include <netlink/genl/family.h>
   5 #include <netlink/genl/ctrl.h>
   6 #include <netlink/msg.h>
   7 #include <netlink/attr.h>
   8
   9 #include "nl80211.h"
  10 #include "iw.h"
  11
  12 SECTION(ibss);
  13
  14 static int join_ibss(struct nl80211_state *state,
  15                      struct nl_cb *cb,
  16                      struct nl_msg *msg,
  17                      int argc, char **argv)
  18 {
  19         char *end;
  20         unsigned char abssid[6];
  21
  22         if (argc < 2)
  23                 return 1;
  24
  25         /* SSID */
  26         NLA_PUT(msg, NL80211_ATTR_SSID, strlen(argv[0]), argv[0]);
  27         argv++;
  28         argc--;
  29
  30         /* freq */
  31         NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ,
  32                     strtoul(argv[0], &end, 10));
  33         if (*end != '\0')
  34                 return 1;
  35         argv++;
  36         argc--;
  37
  38         if (argc && strcmp(argv[0], "fixed-freq") == 0) {
  39                 NLA_PUT_FLAG(msg, NL80211_ATTR_FREQ_FIXED);
  40                 argv++;
  41                 argc--;
  42         }
  43
  44         if (argc) {
  45                 if (mac_addr_a2n(abssid, argv[0]) == 0) {
  46                         NLA_PUT(msg, NL80211_ATTR_MAC, 6, abssid);
  47                         argv++;
  48                         argc--;
  49                 }
  50         }
  51
  52         if (!argc)
  53                 return 0;
  54
  55         if (strcmp(*argv, "key") != 0 && strcmp(*argv, "keys") != 0)
  56                 return 1;
  57
  58         argv++;
  59         argc--;
  60
  61         return parse_keys(msg, argv, argc);
  62  nla_put_failure:
  63         return -ENOSPC;
  64 }
  65
  66 static int leave_ibss(struct nl80211_state *state,
  67                       struct nl_cb *cb,
  68                       struct nl_msg *msg,
  69                       int argc, char **argv)
  70 {
  71         return 0;
  72 }
  73 COMMAND(ibss, leave, NULL,
  74         NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
  75         "Leave the current IBSS cell.");
  76 COMMAND(ibss, join, "<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [key d:0:abcde]",
  77         NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss,
  78         "Join the IBSS cell with the given SSID, if it doesn't exist create\n"
  79         "it on the given frequency. When fixed frequency is requested, don't\n"
  80         "join/create a cell on a different frequency. When a fixed BSSID is\n"
  81         "requested use that BSSID and do not adopt another cell's BSSID even\n"
  82         "if it has higher TSF and the same SSID.");