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| #include <net/if.h>
| #include <errno.h>
| #include <string.h>
|
| #include <netlink/genl/genl.h>
| #include <netlink/genl/family.h>
| #include <netlink/genl/ctrl.h>
| #include <netlink/msg.h>
| #include <netlink/attr.h>
|
| #include "nl80211.h"
| #include "iw.h"
|
| SECTION(vendor);
|
| static int read_file(FILE *file, char *buf, size_t size)
| {
| int data, count = 0;
|
| while ((data = fgetc(file)) != EOF) {
| if (count >= size)
| return -EINVAL;
| buf[count] = data;
| count++;
| }
|
| return count;
| }
|
| static int read_hex(int argc, char **argv, char *buf, size_t size)
| {
| int i, res;
| unsigned int data;
|
| if (argc > size)
| return -EINVAL;
|
| for (i = 0; i < argc; i++) {
| res = sscanf(argv[i], "0x%x", &data);
| if (res != 1 || data > 0xff)
| return -EINVAL;
| buf[i] = data;
| }
|
| return argc;
| }
|
| static int handle_vendor(struct nl80211_state *state, struct nl_cb *cb,
| struct nl_msg *msg, int argc, char **argv,
| enum id_input id)
| {
| unsigned int oui;
| unsigned int subcmd;
| char buf[2048] = {};
| int res, count = 0;
| FILE *file = NULL;
|
| if (argc < 3)
| return -EINVAL;
|
| res = sscanf(argv[0], "0x%x", &oui);
| if (res != 1)
| return -EINVAL;
|
| res = sscanf(argv[1], "0x%x", &subcmd);
| if (res != 1)
| return -EINVAL;
|
| if (!strcmp(argv[2], "-"))
| file = stdin;
| else
| file = fopen(argv[2], "r");
|
| NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, oui);
| NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd);
|
| if (file) {
| count = read_file(file, buf, sizeof(buf));
| fclose(file);
| } else
| count = read_hex(argc - 2, &argv[2], buf, sizeof(buf));
|
| if (count < 0)
| return -EINVAL;
|
| if (count > 0)
| NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, count, buf);
|
| return 0;
|
| nla_put_failure:
| return -ENOBUFS;
| }
|
| COMMAND(vendor, send, "<oui> <subcmd> <filename|-|hex data>", NL80211_CMD_VENDOR, 0, CIB_NETDEV, handle_vendor, "");
|
|