Added get_interfaces() handler to list all NDIS adapters
This commit is contained in:
Jouni Malinen
parent
f44b6b8c04
commit
af7837feff
1 changed files with 236 additions and 2 deletions
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@ -493,7 +493,7 @@ static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
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char txt[50];
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os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
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wpa_hexdump_key(MSG_MSGDUMP, txt, data, len);
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wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
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buflen = sizeof(*o) + len;
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reallen = buflen - sizeof(o->Data);
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@ -2844,6 +2844,240 @@ static void wpa_driver_ndis_deinit(void *priv)
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}
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static struct wpa_interface_info *
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wpa_driver_ndis_get_interfaces(void *global_priv)
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{
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struct wpa_interface_info *iface = NULL, *niface;
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#ifdef CONFIG_USE_NDISUIO
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NDISUIO_QUERY_BINDING *b;
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size_t blen = sizeof(*b) + 1024;
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int i, error;
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DWORD written;
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char name[256], desc[256];
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WCHAR *pos;
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size_t j, len;
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HANDLE ndisuio;
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ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
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GENERIC_READ | GENERIC_WRITE, 0, NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
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INVALID_HANDLE_VALUE);
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if (ndisuio == INVALID_HANDLE_VALUE) {
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wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
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"NDISUIO: %d", (int) GetLastError());
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return NULL;
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}
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#ifndef _WIN32_WCE
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if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
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NULL, 0, &written, NULL)) {
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wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
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"%d", (int) GetLastError());
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CloseHandle(ndisuio);
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return NULL;
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}
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#endif /* _WIN32_WCE */
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b = os_malloc(blen);
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if (b == NULL) {
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CloseHandle(ndisuio);
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return NULL;
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}
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for (i = 0; ; i++) {
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os_memset(b, 0, blen);
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b->BindingIndex = i;
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if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
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b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
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&written, NULL)) {
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error = (int) GetLastError();
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if (error == ERROR_NO_MORE_ITEMS)
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break;
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wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
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"failed: %d", error);
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break;
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}
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pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
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len = b->DeviceNameLength;
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if (len >= sizeof(name))
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len = sizeof(name) - 1;
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for (j = 0; j < len; j++)
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name[j] = (char) pos[j];
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name[len] = '\0';
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pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
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len = b->DeviceDescrLength;
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if (len >= sizeof(desc))
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len = sizeof(desc) - 1;
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for (j = 0; j < len; j++)
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desc[j] = (char) pos[j];
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desc[len] = '\0';
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wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
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niface = os_zalloc(sizeof(*niface));
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if (niface == NULL)
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break;
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niface->drv_name = "ndis";
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if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
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niface->ifname = os_strdup(name + 8);
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else
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niface->ifname = os_strdup(name);
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if (niface->ifname == NULL) {
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os_free(niface);
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break;
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}
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niface->desc = os_strdup(desc);
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niface->next = iface;
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iface = niface;
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}
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os_free(b);
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CloseHandle(ndisuio);
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#else /* CONFIG_USE_NDISUIO */
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PTSTR _names;
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char *names, *pos, *pos2;
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ULONG len;
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BOOLEAN res;
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char *name[MAX_ADAPTERS];
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char *desc[MAX_ADAPTERS];
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int num_name, num_desc, i;
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wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
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PacketGetVersion());
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len = 8192;
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_names = os_zalloc(len);
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if (_names == NULL)
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return NULL;
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res = PacketGetAdapterNames(_names, &len);
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if (!res && len > 8192) {
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os_free(_names);
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_names = os_zalloc(len);
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if (_names == NULL)
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return NULL;
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res = PacketGetAdapterNames(_names, &len);
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}
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if (!res) {
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wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
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"(PacketGetAdapterNames)");
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os_free(_names);
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return NULL;
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}
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names = (char *) _names;
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if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
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wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
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"UNICODE");
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/* Convert to ASCII */
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pos2 = pos = names;
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while (pos2 < names + len) {
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if (pos2[0] == '\0' && pos2[1] == '\0' &&
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pos2[2] == '\0' && pos2[3] == '\0') {
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pos2 += 4;
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break;
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}
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*pos++ = pos2[0];
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pos2 += 2;
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}
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os_memcpy(pos + 2, names, pos - names);
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pos += 2;
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} else
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pos = names;
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num_name = 0;
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while (pos < names + len) {
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name[num_name] = pos;
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while (*pos && pos < names + len)
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pos++;
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if (pos + 1 >= names + len) {
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os_free(names);
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return NULL;
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}
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pos++;
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num_name++;
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if (num_name >= MAX_ADAPTERS) {
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wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
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os_free(names);
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return NULL;
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}
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if (*pos == '\0') {
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wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
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num_name);
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pos++;
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break;
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}
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}
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num_desc = 0;
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while (pos < names + len) {
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desc[num_desc] = pos;
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while (*pos && pos < names + len)
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pos++;
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if (pos + 1 >= names + len) {
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os_free(names);
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return NULL;
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}
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pos++;
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num_desc++;
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if (num_desc >= MAX_ADAPTERS) {
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wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
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"descriptions");
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os_free(names);
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return NULL;
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}
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if (*pos == '\0') {
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wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
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"found", num_name);
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pos++;
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break;
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}
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}
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/*
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* Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
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* descriptions. Fill in dummy descriptors to work around this.
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*/
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while (num_desc < num_name)
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desc[num_desc++] = "dummy description";
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if (num_name != num_desc) {
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wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
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"description counts (%d != %d)",
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num_name, num_desc);
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os_free(names);
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return NULL;
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}
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for (i = 0; i < num_name; i++) {
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niface = os_zalloc(sizeof(*niface));
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if (niface == NULL)
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break;
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niface->drv_name = "ndis";
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if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
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niface->ifname = os_strdup(name[i] + 12);
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else
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niface->ifname = os_strdup(name[i]);
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if (niface->ifname == NULL) {
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os_free(niface);
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break;
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}
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niface->desc = os_strdup(desc[i]);
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niface->next = iface;
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iface = niface;
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}
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#endif /* CONFIG_USE_NDISUIO */
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return iface;
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}
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const struct wpa_driver_ops wpa_driver_ndis_ops = {
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"ndis",
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"Windows NDIS driver",
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@ -2888,5 +3122,5 @@ const struct wpa_driver_ops wpa_driver_ndis_ops = {
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NULL /* global_init */,
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NULL /* global_deinit */,
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NULL /* init2 */,
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NULL /* get_interfaces */
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wpa_driver_ndis_get_interfaces
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};
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