}
static int handle_interface_add(struct nl80211_state *state,
- char *phy, char *dev, int argc, char **argv)
+ struct nl_msg *msg,
+ int argc, char **argv)
{
char *name;
char *mesh_id = NULL;
enum nl80211_iftype type;
int tpset, err = -ENOBUFS;
- struct nl_msg *msg;
- if (argc < 1) {
- fprintf(stderr, "not enough arguments\n");
+ if (argc < 1)
return -1;
- }
name = argv[0];
argc--;
return -1;
}
- msg = nlmsg_alloc();
- if (!msg) {
- fprintf(stderr, "failed to allocate netlink msg\n");
- return -1;
- }
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
- 0, NL80211_CMD_NEW_INTERFACE, 0);
- if (dev)
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
- if (phy)
- return -1; /* XXX TODO */
NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, name);
if (tpset)
NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type);
(err = nl_wait_for_ack(state->nl_handle)) < 0) {
nla_put_failure:
fprintf(stderr, "failed to create interface: %d\n", err);
- nlmsg_free(msg);
- return -1;
+ return 1;
}
- nlmsg_free(msg);
-
return 0;
}
+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>]",
+ NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add);
static int handle_interface_del(struct nl80211_state *state,
- char *phy, char *dev, int argc, char **argv)
+ struct nl_msg *msg,
+ int argc, char **argv)
{
int err = -ENOBUFS;
- struct nl_msg *msg;
-
- if (argc) {
- fprintf(stderr, "too many arguments\n");
- return -1;
- }
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
- 0, NL80211_CMD_DEL_INTERFACE, 0);
- if (!dev) {
- fprintf(stderr, "need device\n");
- nlmsg_free(msg);
- return -1;
- }
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
if ((err = nl_send_auto_complete(state->nl_handle, msg)) < 0 ||
(err = nl_wait_for_ack(state->nl_handle)) < 0) {
- nla_put_failure:
fprintf(stderr, "failed to remove interface: %d\n", err);
nlmsg_free(msg);
- return -1;
+ return 1;
}
- nlmsg_free(msg);
-
return 0;
}
+TOPLEVEL(del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del);
static int print_iface_handler(struct nl_msg *msg, void *arg)
{
}
static int handle_interface_info(struct nl80211_state *state,
- char *phy, char *dev,
- int argc, char **argv, int flags)
+ struct nl_msg *msg,
+ int argc, char **argv)
{
int err = -ENOBUFS;
- struct nl_msg *msg;
struct nl_cb *cb = NULL;
int finished = 0;
- if (argc) {
- fprintf(stderr, "too many arguments\n");
- return -1;
- }
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
- flags, NL80211_CMD_GET_INTERFACE, 0);
- if (!dev) {
- fprintf(stderr, "need device\n");
- nlmsg_free(msg);
- return -1;
- }
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
-
cb = nl_cb_alloc(NL_CB_CUSTOM);
if (!cb)
goto out;
fprintf(stderr, "failed to get information: %d\n", err);
out:
- nla_put_failure:
- nlmsg_free(msg);
nl_cb_put(cb);
return 0;
}
-
-int handle_interface(struct nl80211_state *state,
- char *phy, char *dev, int argc, char **argv)
-{
- char *cmd = argv[0];
-
- if (argc < 1) {
- fprintf(stderr, "you must specify an interface command\n");
- return -1;
- }
-
- argc--;
- argv++;
-
- if (strcmp(cmd, "add") == 0)
- return handle_interface_add(state, phy, dev, argc, argv);
- else if (strcmp(cmd, "del") == 0)
- return handle_interface_del(state, phy, dev, argc, argv);
- else if (strcmp(cmd, "get") == 0)
- return handle_interface_info(state, phy, dev, argc, argv, 0);
- else if (strcmp(cmd, "dump") == 0)
- return handle_interface_info(state, phy, dev, argc, argv, NLM_F_DUMP);
-
- printf("invalid interface command %s\n", cmd);
- return -1;
-}
+TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, handle_interface_info);
#include <errno.h>
#include <stdio.h>
#include <string.h>
-
+#include <net/if.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
nl_handle_destroy(state->nl_handle);
}
-/*
- * return
- * 0 - error
- * 1 - phy
- * 2 - dev
- */
-static int get_phy_or_dev(int *argc, char ***argv, char **name)
+static void usage(const char *argv0)
+{
+ struct cmd *cmd;
+
+ fprintf(stderr, "Usage:\t%s help\n", argv0);
+ for (cmd = &__start___cmd; cmd < &__stop___cmd; cmd++) {
+ switch (cmd->idby) {
+ case CIB_NONE:
+ fprintf(stderr, "\t%s %s %s\n", argv0, cmd->section, cmd->name);
+ break;
+ case CIB_PHY:
+ fprintf(stderr, "\t%s phy <phyname> ", argv0);
+ /* fall through */
+ case CIB_NETDEV:
+ if (cmd->idby == CIB_NETDEV)
+ fprintf(stderr, "\t%s dev <devname> ", argv0);
+ if (cmd->section)
+ fprintf(stderr, "%s ", cmd->section);
+ fprintf(stderr, "%s", cmd->name);
+ if (cmd->args)
+ fprintf(stderr, " %s", cmd->args);
+ fprintf(stderr, "\n");
+ break;
+ }
+ }
+}
+
+static int phy_lookup(char *name)
+{
+ char buf[200];
+ int fd, pos;
+
+ snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", name);
+
+ fd = open(buf, O_RDONLY);
+ pos = read(fd, buf, sizeof(buf) - 1);
+ if (pos < 0)
+ return -1;
+ buf[pos] = '\0';
+ return atoi(buf);
+}
+
+static int handle_phydev_cmd(struct nl80211_state *state,
+ enum command_identify_by idby,
+ int argc, char **argv)
{
- char *type = (*argv)[0];
+ struct cmd *cmd;
+ struct nl_msg *msg;
+ int devidx = 0;
+ const char *command, *section;
- if (*argc < 2)
- return 0;
+ if (argc <= 1)
+ return -1;
- *name = (*argv)[1];
+ switch (idby) {
+ case CIB_PHY:
+ devidx = phy_lookup(*argv);
+ argc--;
+ argv++;
+ break;
+ case CIB_NETDEV:
+ devidx = if_nametoindex(*argv);
+ argc--;
+ argv++;
+ break;
+ default:
+ break;
+ }
+
+ section = command = *argv;
+ argc--;
+ argv++;
+
+ for (cmd = &__start___cmd; cmd < &__stop___cmd; cmd++) {
+ if (cmd->idby != idby)
+ continue;
+ if (cmd->section) {
+ if (strcmp(cmd->section, section))
+ continue;
+ /* this is a bit icky ... */
+ if (command == section) {
+ if (argc <= 0)
+ return -1;
+ command = *argv;
+ argc--;
+ argv++;
+ }
+ } else if (section != command)
+ continue;
+ if (strcmp(cmd->name, command))
+ continue;
+ if (argc && !cmd->args)
+ continue;
+ break;
+ }
- *argc -= 2;
- *argv += 2;
+ /* XXX: handle dev for phy */
+ if (cmd == &__stop___cmd)
+ return -1;
- if (strcmp(type, "phy") == 0)
+ msg = nlmsg_alloc();
+ if (!msg) {
+ fprintf(stderr, "out of memory\n");
return 1;
- if (strcmp(type, "dev") == 0)
- return 2;
+ }
- return 0;
+ genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
+ cmd->nl_msg_flags, cmd->cmd, 0);
+
+ switch (idby) {
+ case CIB_PHY:
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, devidx);
+ break;
+ case CIB_NETDEV:
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, devidx);
+ break;
+ default:
+ break;
+ }
+
+ return cmd->handler(state, msg, argc, argv);
+ nla_put_failure:
+ fprintf(stderr, "building message failed\n");
+ return 1;
}
-static void usage(char *argv0)
+static int handle_other_cmd(struct nl80211_state *state, int argc, char **argv)
{
- fprintf(stderr, "Usage: %1$s dev <phydev> <OBJECT> <COMMAND> [OPTIONS]"
- "\n %1$s dev <phydev> info"
- "\n %1$s reg set <ISO/IEC 3166-1 alpha2>\n"
- "\n"
- "where OBJECT := { interface | station | mpath | info }\n"
- "and COMMAND := { add | del | set | get | dump }\n",
- argv0);
+ return -1;
}
int main(int argc, char **argv)
{
struct nl80211_state nlstate;
- int err = 0, pod;
- char *ifname = NULL, *phyname = NULL, *type, *argv0;
+ int err;
+ const char *argv0;
err = nl80211_init(&nlstate);
if (err)
argc--;
argv0 = *argv++;
- if (argc == 0 || (argc == 1 && strcmp(*argv, "help") == 0)) {
+ if (argc == 0 || strcmp(*argv, "help") == 0) {
usage(argv0);
goto out;
}
- if (strcmp(argv[0], "reg") == 0) {
+ if (strcmp(*argv, "dev") == 0) {
argc--;
argv++;
- err = handle_reg(&nlstate, argc, argv);
- goto out;
- }
-
- pod = get_phy_or_dev(&argc, &argv, &ifname);
- if (pod == 0) {
- err = 1;
- goto out;
- }
-
- if (pod == 1) {
- phyname = ifname;
- ifname = NULL;
- }
-
- if (argc <= 0) {
- err = 1;
- goto out;
- }
-
- type = argv[0];
- argc--;
- argv++;
+ err = handle_phydev_cmd(&nlstate, CIB_NETDEV, argc, argv);
+ } else if (strcmp(*argv, "phy") == 0) {
+ argc--;
+ argv++;
+ err = handle_phydev_cmd(&nlstate, CIB_PHY, argc, argv);
+ } else
+ err = handle_other_cmd(&nlstate, argc, argv);
- if (strcmp(type, "interface") == 0)
- err = handle_interface(&nlstate, phyname, ifname, argc, argv);
- else if (strcmp(type, "info") == 0)
- err = handle_info(&nlstate, phyname, ifname);
- else if (strcmp(type, "station") == 0)
- err = handle_station(&nlstate, ifname, argc, argv);
- else if (strcmp(type, "mpath") == 0)
- err = handle_mpath(&nlstate, ifname, argc, argv);
- else {
- fprintf(stderr, "No such object type %s\n", type);
- err = 1;
- }
+ if (err < 0)
+ usage(argv0);
out:
nl80211_cleanup(&nlstate);
struct genl_family *nl80211;
};
+enum command_identify_by {
+ CIB_NONE,
+ CIB_PHY,
+ CIB_NETDEV,
+};
-int handle_interface(struct nl80211_state *state,
- char *phy, char *dev, int argc, char **argv);
-
-int handle_info(struct nl80211_state *state, char *phy, char *dev);
-
-int handle_station(struct nl80211_state *state,
- char *dev, int argc, char **argv);
-
-int handle_mpath(struct nl80211_state *state,
- char *dev, int argc, char **argv);
+struct cmd {
+ const char *section;
+ const char *name;
+ const char *args;
+ const enum nl80211_commands cmd;
+ int nl_msg_flags;
+ const enum command_identify_by idby;
+ int (*handler)(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv);
+};
-int handle_reg(struct nl80211_state *state,
- int argc, char **argv);
+#define __COMMAND(sect, name, args, nlcmd, flags, idby, handler)\
+ static const struct cmd __cmd_ ## handler ## idby \
+ __attribute__((used)) __attribute__((section("__cmd"))) \
+ = { sect, name, args, nlcmd, flags, idby, handler }
+#define COMMAND(section, name, args, cmd, flags, idby, handler) \
+ __COMMAND(#section, #name, args, cmd, flags, idby, handler)
+#define TOPLEVEL(name, args, cmd, flags, idby, handler) \
+ __COMMAND(NULL, #name, args, cmd, flags, idby, handler)
+extern struct cmd __start___cmd;
+extern struct cmd __stop___cmd;
int mac_addr_a2n(unsigned char *mac_addr, char *arg);
int mac_addr_n2a(char *mac_addr, unsigned char *arg);
nlmsg_free(msg);
return ret;
}
-
-int handle_reg(struct nl80211_state *state,
- int argc, char **argv)
-{
- char *cmd = argv[0];
-
- if (argc < 1) {
- fprintf(stderr, "you must specify an station command\n");
- return -1;
- }
-
- argc--;
- argv++;
-
- /* XXX: write support for getting the currently set regdomain
- if (strcmp(cmd, "get") == 0)
- return handle_reg_get(state, argc, argv);
- */
-
- if (strcmp(cmd, "set") == 0)
- return handle_reg_set(state, argc, argv);
-
- printf("invalid regulatory command %s\n", cmd);
- return -1;
-}
nlmsg_free(msg);
return ret;
}
-
-int handle_station(struct nl80211_state *state,
- char *dev, int argc, char **argv)
-{
- char *cmd = argv[0];
-
- if (argc < 1) {
- fprintf(stderr, "you must specify an station command\n");
- return -1;
- }
-
- argc--;
- argv++;
-
- if (strcmp(cmd, "del") == 0)
- return handle_station_del(state, dev, argc, argv);
- if (strcmp(cmd, "get") == 0)
- return handle_station_get(state, dev, argc, argv);
- if (strcmp(cmd, "set") == 0)
- return handle_station_set(state, dev, argc, argv);
- if (strcmp(cmd, "dump") == 0)
- return handle_station_dump(state, dev, argc, argv);
-
- printf("invalid interface command %s\n", cmd);
- return -1;
-}
projects / thirdparty / iw.git / commitdiff
