static int __handle_cmd(struct nl80211_state *state, enum id_input idby,
int argc, char **argv, const struct cmd **cmdout)
{
const struct cmd *cmd, *match = NULL, *sectcmd;
struct nl_cb *cb;
struct nl_cb *s_cb;
struct nl_msg *msg;
signed long long devidx = 0;
int err, o_argc;
const char *command, *section;
char *tmp, **o_argv;
enum command_identify_by command_idby = CIB_NONE;
if (argc <= 1 && idby != II_NONE)
return 1;
o_argc = argc;
o_argv = argv;
switch (idby) {
case II_PHY_IDX:
command_idby = CIB_PHY;
devidx = strtoul(*argv + 4, &tmp, 0);
if (*tmp != '\0')
return 1;
argc--;
argv++;
break;
case II_PHY_NAME:
command_idby = CIB_PHY;
devidx = phy_lookup(*argv);
argc--;
argv++;
break;
case II_NETDEV:
command_idby = CIB_NETDEV;
devidx = if_nametoindex(*argv);
if (devidx == 0)
devidx = -1;
argc--;
argv++;
break;
case II_WDEV:
command_idby = CIB_WDEV;
devidx = strtoll(*argv, &tmp, 0);
if (*tmp != '\0')
return 1;
argc--;
argv++;
default:
break;
}
if (devidx < 0)
return -errno;
section = *argv;
argc--;
argv++;
for_each_cmd(sectcmd) {
if (sectcmd->parent)
continue;
/* ok ... bit of a hack for the dupe 'info' section */
if (match && sectcmd->idby != command_idby)
continue;
if (strcmp(sectcmd->name, section) == 0)
match = sectcmd;
}
sectcmd = match;
match = NULL;
if (!sectcmd)
return 1;
if (argc > 0) {
command = *argv;
for_each_cmd(cmd) {
if (!cmd->handler)
continue;
if (cmd->parent != sectcmd)
continue;
/*
* ignore mismatch id by, but allow WDEV
* in place of NETDEV
*/
if (cmd->idby != command_idby &&
!(cmd->idby == CIB_NETDEV &&
command_idby == CIB_WDEV))
continue;
if (strcmp(cmd->name, command))
continue;
if (argc > 1 && !cmd->args)
continue;
match = cmd;
break;
}
if (match) {
argc--;
argv++;
}
}
static int __handle_cmd(struct nl80211_state *state, enum id_input idby,
int argc, char **argv, const struct cmd **cmdout)
{
const struct cmd *cmd, *match = NULL, *sectcmd;
struct nl_cb *cb;
struct nl_msg *msg;
int devidx = 0;
int err, o_argc;
const char *command, *section;
char *tmp, **o_argv;
enum command_identify_by command_idby = CIB_NONE;
#if 0
if (file_exist(CURRENT_NVS_NAME) < 0) {
fprintf(stderr, "\n\tUnable to find NVS file (%s).\n\t"
"Make sure to use reference-nvs.bin instead.\n\n",
CURRENT_NVS_NAME);
return 2;
}
#endif
if (argc <= 1)
return 1;
o_argc = argc;
o_argv = argv;
switch (idby) {
case II_PHY_IDX:
command_idby = CIB_PHY;
devidx = strtoul(*argv + 4, &tmp, 0);
if (*tmp != '\0')
return 1;
argc--;
argv++;
break;
case II_PHY_NAME:
command_idby = CIB_PHY;
devidx = phy_lookup(*argv);
argc--;
argv++;
break;
case II_NETDEV:
command_idby = CIB_NETDEV;
devidx = if_nametoindex(*argv);
if (devidx == 0)
devidx = -1;
argc--;
argv++;
break;
default:
break;
}
if (devidx < 0)
return -errno;
section = *argv;
argc--;
argv++;
for_each_cmd(sectcmd) {
if (sectcmd->parent)
continue;
/* ok ... bit of a hack for the dupe 'info' section */
if (match && sectcmd->idby != command_idby)
continue;
if (strcmp(sectcmd->name, section) == 0)
match = sectcmd;
}
sectcmd = match;
match = NULL;
if (!sectcmd)
return 1;
if (argc > 0) {
command = *argv;
for_each_cmd(cmd) {
if (!cmd->handler)
continue;
if (cmd->parent != sectcmd)
continue;
if (cmd->idby != command_idby)
continue;
if (strcmp(cmd->name, command))
continue;
if (argc > 1 && !cmd->args)
continue;
match = cmd;
break;
}
if (match) {
argc--;
argv++;
}
}
static int execute_nl_interface_cmd(const char *iface,
enum nl80211_iftype type,
uint8_t cmd)
{
struct nl_cb *cb;
struct nl_msg *msg;
int devidx = 0;
int err;
int add_interface = (cmd == NL80211_CMD_NEW_INTERFACE);
if (add_interface) {
devidx = phy_lookup();
} else {
devidx = if_nametoindex(iface);
if (devidx == 0) {
ALOGE("failed to translate ifname to idx");
return -errno;
}
}
msg = nlmsg_alloc();
if (!msg) {
ALOGE("failed to allocate netlink message");
return 2;
}
cb = nl_cb_alloc(NL_CB_DEFAULT);
if (!cb) {
ALOGE("failed to allocate netlink callbacks");
err = 2;
goto out_free_msg;
}
genlmsg_put(msg, 0, 0, genl_family_get_id(nl80211), 0, 0, cmd, 0);
if (add_interface) {
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, devidx);
} else {
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, devidx);
}
if (add_interface) {
NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, iface);
NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type);
}
err = nl_send_auto_complete(nl_soc, msg);
if (err < 0)
goto out;
err = 1;
nl_cb_err(cb, NL_CB_CUSTOM, nl_error_handler, &err);
nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, nl_finish_handler, &err);
nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, nl_ack_handler, &err);
while (err > 0)
nl_recvmsgs(nl_soc, cb);
out:
nl_cb_put(cb);
out_free_msg:
nlmsg_free(msg);
return err;
nla_put_failure:
ALOGW("building message failed");
return 2;
}
int main(int argc, char **argv)
{
int opt, optind = 0;
struct option long_opts[] = {
{"help", no_argument, 0, 'h'},
{"command", required_argument, 0, 'c'},
{"ascii", no_argument, 0, 'a'},
{"verbose", no_argument, 0, 'v'},
{"if", required_argument, 0, 1000},
{"interface", required_argument, 0, 1001},
{"phy", required_argument, 0, 1002},
{"print-commands", no_argument, 0, 1003},
{"version", no_argument, 0, 1004},
{"syslog", no_argument, 0, 1005},
{NULL, 0, 0, 0},
};
while ((opt = getopt_long(argc, argv, "hc:av", long_opts, &optind)) != -1) {
switch (opt) {
case 1000:
/* Fallthrough */
case 1001:
dev_by_phy = false;
devidx = if_nametoindex(optarg);
devidx_set = true;
break;
case 1002:
dev_by_phy = true;
devidx = phy_lookup(optarg);
devidx_set = true;
break;
case 1003:
print_nl80211_cmds();
return 0;
case 1004:
print_version();
return 0;
case 1005:
log_stderr = false;
break;
case 'a':
print_ascii = true;
break;
case 'c':
cur_cmd = nl80211_cmd_from_str(optarg);
if (cur_cmd == NL80211_CMD_UNSPEC)
fprintf(stderr, "Unknown command: %s\n", optarg);
else
cmd_set = true;
break;
case 'v':
log_level++;
break;
case 'h':
default:
print_usage(argv[0]);
return 0;
}
}
return run_iwraw();
}
