#include "crypto/crypto.h"
#include "crypto/sha1.h"
#include "common/ieee802_11_common.h"
+#include <linux/netlink.h>
+#include <linux/genetlink.h>
+#include <linux/nl80211.h>
#include <libubox/uloop.h>
#include <ucode/compiler.h>
+#include <udebug.h>
static uc_value_t *registry;
static uc_vm_t vm;
static struct uloop_timeout gc_timer;
+static struct udebug ud;
+static struct udebug_buf ud_log, ud_nl[3];
+static const struct udebug_buf_meta meta_log = {
+ .name = "wpa_log",
+ .format = UDEBUG_FORMAT_STRING,
+};
+static const struct udebug_buf_meta meta_nl_ll = {
+ .name = "wpa_nl_ctrl",
+ .format = UDEBUG_FORMAT_PACKET,
+ .sub_format = UDEBUG_DLT_NETLINK,
+};
+static const struct udebug_buf_meta meta_nl_tx = {
+ .name = "wpa_nl_tx",
+ .format = UDEBUG_FORMAT_PACKET,
+ .sub_format = UDEBUG_DLT_NETLINK,
+};
+#define UDEBUG_FLAG_RX_FRAME (1ULL << 0)
+static const struct udebug_buf_flag rx_flags[] = {
+ { "rx_frame", UDEBUG_FLAG_RX_FRAME },
+};
+static const struct udebug_buf_meta meta_nl_rx = {
+ .name = "wpa_nl_rx",
+ .format = UDEBUG_FORMAT_PACKET,
+ .sub_format = UDEBUG_DLT_NETLINK,
+ .flags = rx_flags,
+ .n_flags = ARRAY_SIZE(rx_flags),
+};
+static struct udebug_ubus_ring udebug_rings[] = {
+ {
+ .buf = &ud_log,
+ .meta = &meta_log,
+ .default_entries = 1024,
+ .default_size = 64 * 1024
+ },
+ {
+ .buf = &ud_nl[0],
+ .meta = &meta_nl_rx,
+ .default_entries = 1024,
+ .default_size = 256 * 1024,
+ },
+ {
+ .buf = &ud_nl[1],
+ .meta = &meta_nl_tx,
+ .default_entries = 1024,
+ .default_size = 64 * 1024,
+ },
+ {
+ .buf = &ud_nl[2],
+ .meta = &meta_nl_ll,
+ .default_entries = 1024,
+ .default_size = 32 * 1024,
+ }
+};
+char *udebug_service;
+struct udebug_ubus ud_ubus;
static void uc_gc_timer(struct uloop_timeout *timeout)
{
return 0;
}
+static void udebug_printf_hook(int level, const char *fmt, va_list ap)
+{
+ udebug_entry_init(&ud_log);
+ udebug_entry_vprintf(&ud_log, fmt, ap);
+ udebug_entry_add(&ud_log);
+}
+
+static void udebug_hexdump_hook(int level, const char *title,
+ const void *data, size_t len)
+{
+ char *buf;
+
+ udebug_entry_init(&ud_log);
+ udebug_entry_printf(&ud_log, "%s - hexdump:", title);
+ buf = udebug_entry_append(&ud_log, NULL, 3 * len);
+ for (size_t i = 0; i < len; i++)
+ buf += sprintf(buf, " %02x", *(uint8_t *)(data + i));
+ udebug_entry_add(&ud_log);
+}
+
+static void udebug_netlink_hook(int tx, const void *data, size_t len)
+{
+ struct {
+ uint16_t pkttype;
+ uint16_t arphdr;
+ uint16_t _pad[5];
+ uint16_t proto;
+ } hdr = {
+ .pkttype = host_to_be16(tx ? 7 : 6),
+ .arphdr = host_to_be16(824),
+ .proto = host_to_be16(16),
+ };
+ const struct nlmsghdr *nlh = data;
+ const struct genlmsghdr *gnlh = data + NLMSG_HDRLEN;
+ struct udebug_buf *buf = &ud_nl[!!tx];
+
+ if (nlh->nlmsg_type == 0x10)
+ buf = &ud_nl[2];
+ else if (!tx && gnlh->cmd == NL80211_CMD_FRAME &&
+ !(udebug_buf_flags(buf) & UDEBUG_FLAG_RX_FRAME))
+ return;
+
+ if (!udebug_buf_valid(buf))
+ return;
+
+ udebug_entry_init(buf);
+ udebug_entry_append(buf, &hdr, sizeof(hdr));
+ udebug_entry_append(buf, data, len);
+ udebug_entry_add(buf);
+}
+
+static void
+wpa_udebug_config(struct udebug_ubus *ctx, struct blob_attr *data,
+ bool enabled)
+{
+ udebug_ubus_apply_config(&ud, udebug_rings, ARRAY_SIZE(udebug_rings),
+ data, enabled);
+
+ if (udebug_buf_valid(&ud_log)) {
+ wpa_printf_hook = udebug_printf_hook;
+ wpa_hexdump_hook = udebug_hexdump_hook;
+ } else {
+ wpa_printf_hook = NULL;
+ wpa_hexdump_hook = NULL;
+ }
+
+ if (udebug_buf_valid(&ud_nl[0]) ||
+ udebug_buf_valid(&ud_nl[1]) ||
+ udebug_buf_valid(&ud_nl[2]))
+ wpa_netlink_hook = udebug_netlink_hook;
+ else
+ wpa_netlink_hook = NULL;
+}
+
+uc_value_t *uc_wpa_udebug_set(uc_vm_t *vm, size_t nargs)
+{
+ uc_value_t *name = uc_fn_arg(0);
+ uc_value_t *ubus = uc_fn_arg(1);
+ static bool enabled = false;
+ struct ubus_context *ctx;
+ bool cur_en;
+
+ cur_en = ucv_type(name) == UC_STRING;
+ ctx = ucv_resource_data(ubus, "ubus.connection");
+ if (!ctx)
+ cur_en = false;
+
+ if (enabled == cur_en)
+ return ucv_boolean_new(true);
+
+ enabled = cur_en;
+ if (enabled) {
+ udebug_service = strdup(ucv_string_get(name));
+ udebug_init(&ud);
+ udebug_auto_connect(&ud, NULL);
+ udebug_ubus_init(&ud_ubus, ctx, udebug_service, wpa_udebug_config);
+ } else {
+ udebug_ubus_free(&ud_ubus);
+ for (size_t i = 0; i < ARRAY_SIZE(udebug_rings); i++)
+ if (udebug_buf_valid(udebug_rings[i].buf))
+ udebug_buf_free(udebug_rings[i].buf);
+ udebug_free(&ud);
+ free(udebug_service);
+ }
+
+ return ucv_boolean_new(true);
+}
+
uc_value_t *wpa_ucode_global_init(const char *name, uc_resource_type_t *global_type)
{
uc_value_t *global = uc_resource_new(global_type, NULL);
uc_value_t *wpa_ucode_registry_remove(uc_value_t *reg, int idx)
{
uc_value_t *val = wpa_ucode_registry_get(reg, idx);
+ void **dataptr;
+
+ if (!val)
+ return NULL;
- if (val)
- ucv_array_set(reg, idx - 1, NULL);
+ ucv_array_set(reg, idx - 1, NULL);
+ dataptr = ucv_resource_dataptr(val, NULL);
+ if (dataptr)
+ *dataptr = NULL;
return val;
}
projects / openwrt / staging / hauke.git / blobdiff