+++ /dev/null
-/*
- * UFD routines for Wi-Fi Protected Setup
- * Copyright (c) 2009, Masashi Honma <honma@ictec.co.jp>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "includes.h"
-#include "common.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <dirent.h>
-
-#include "wps/wps.h"
-#include "wps/wps_i.h"
-
-#ifdef CONFIG_NATIVE_WINDOWS
-#define UFD_DIR1 "%s\\SMRTNTKY"
-#define UFD_DIR2 UFD_DIR1 "\\WFAWSC"
-#define UFD_FILE UFD_DIR2 "\\%s"
-#else /* CONFIG_NATIVE_WINDOWS */
-#define UFD_DIR1 "%s/SMRTNTKY"
-#define UFD_DIR2 UFD_DIR1 "/WFAWSC"
-#define UFD_FILE UFD_DIR2 "/%s"
-#endif /* CONFIG_NATIVE_WINDOWS */
-
-
-struct wps_ufd_data {
- int ufd_fd;
-};
-
-
-static int dev_pwd_e_file_filter(const struct dirent *entry)
-{
- unsigned int prefix;
- char ext[5];
-
- if (sscanf(entry->d_name, "%8x.%4s", &prefix, ext) != 2)
- return 0;
- if (prefix == 0)
- return 0;
- if (os_strcasecmp(ext, "WFA") != 0)
- return 0;
-
- return 1;
-}
-
-
-static int wps_get_dev_pwd_e_file_name(char *path, char *file_name)
-{
- struct dirent **namelist;
- int i, file_num;
-
- file_num = scandir(path, &namelist, &dev_pwd_e_file_filter,
- alphasort);
- if (file_num < 0) {
- wpa_printf(MSG_ERROR, "WPS: OOB file not found: %d (%s)",
- errno, strerror(errno));
- return -1;
- }
- if (file_num == 0) {
- wpa_printf(MSG_ERROR, "WPS: OOB file not found");
- os_free(namelist);
- return -1;
- }
- os_strlcpy(file_name, namelist[0]->d_name, 13);
- for (i = 0; i < file_num; i++)
- os_free(namelist[i]);
- os_free(namelist);
- return 0;
-}
-
-
-static int get_file_name(struct wps_context *wps, int registrar,
- const char *path, char *file_name)
-{
- switch (wps->oob_conf.oob_method) {
- case OOB_METHOD_CRED:
- os_snprintf(file_name, 13, "00000000.WSC");
- break;
- case OOB_METHOD_DEV_PWD_E:
- if (registrar) {
- char temp[128];
- os_snprintf(temp, sizeof(temp), UFD_DIR2, path);
- if (wps_get_dev_pwd_e_file_name(temp, file_name) < 0)
- return -1;
- } else {
- u8 *mac_addr = wps->dev.mac_addr;
-
- os_snprintf(file_name, 13, "%02X%02X%02X%02X.WFA",
- mac_addr[2], mac_addr[3], mac_addr[4],
- mac_addr[5]);
- }
- break;
- case OOB_METHOD_DEV_PWD_R:
- os_snprintf(file_name, 13, "00000000.WFA");
- break;
- default:
- wpa_printf(MSG_ERROR, "WPS: Invalid USBA OOB method");
- return -1;
- }
- return 0;
-}
-
-
-static int ufd_mkdir(const char *path)
-{
- if (mkdir(path, S_IRWXU) < 0 && errno != EEXIST) {
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to create directory "
- "'%s': %d (%s)", path, errno, strerror(errno));
- return -1;
- }
- return 0;
-}
-
-
-static void * init_ufd(struct wps_context *wps,
- struct oob_device_data *oob_dev, int registrar)
-{
- int write_f;
- char temp[128];
- char *path = oob_dev->device_path;
- char filename[13];
- struct wps_ufd_data *data;
- int ufd_fd;
-
- if (path == NULL)
- return NULL;
-
- write_f = wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ?
- !registrar : registrar;
-
- if (get_file_name(wps, registrar, path, filename) < 0) {
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to get file name");
- return NULL;
- }
-
- if (write_f) {
- os_snprintf(temp, sizeof(temp), UFD_DIR1, path);
- if (ufd_mkdir(temp))
- return NULL;
- os_snprintf(temp, sizeof(temp), UFD_DIR2, path);
- if (ufd_mkdir(temp))
- return NULL;
- }
-
- os_snprintf(temp, sizeof(temp), UFD_FILE, path, filename);
- if (write_f)
- ufd_fd = open(temp, O_WRONLY | O_CREAT | O_TRUNC,
- S_IRUSR | S_IWUSR);
- else
- ufd_fd = open(temp, O_RDONLY);
- if (ufd_fd < 0) {
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to open %s: %s",
- temp, strerror(errno));
- return NULL;
- }
-
- data = os_zalloc(sizeof(*data));
- if (data == NULL)
- return NULL;
- data->ufd_fd = ufd_fd;
- return data;
-}
-
-
-static struct wpabuf * read_ufd(void *priv)
-{
- struct wps_ufd_data *data = priv;
- struct wpabuf *buf;
- struct stat s;
- size_t file_size;
-
- if (fstat(data->ufd_fd, &s) < 0) {
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to get file size");
- return NULL;
- }
-
- file_size = s.st_size;
- buf = wpabuf_alloc(file_size);
- if (buf == NULL) {
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to alloc read "
- "buffer");
- return NULL;
- }
-
- if (read(data->ufd_fd, wpabuf_mhead(buf), file_size) !=
- (int) file_size) {
- wpabuf_free(buf);
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to read");
- return NULL;
- }
- wpabuf_put(buf, file_size);
- return buf;
-}
-
-
-static int write_ufd(void *priv, struct wpabuf *buf)
-{
- struct wps_ufd_data *data = priv;
-
- if (write(data->ufd_fd, wpabuf_mhead(buf), wpabuf_len(buf)) !=
- (int) wpabuf_len(buf)) {
- wpa_printf(MSG_ERROR, "WPS (UFD): Failed to write");
- return -1;
- }
- return 0;
-}
-
-
-static void deinit_ufd(void *priv)
-{
- struct wps_ufd_data *data = priv;
- close(data->ufd_fd);
- os_free(data);
-}
-
-
-struct oob_device_data oob_ufd_device_data = {
- .device_name = NULL,
- .device_path = NULL,
- .init_func = init_ufd,
- .read_func = read_ufd,
- .write_func = write_ufd,
- .deinit_func = deinit_ufd,
-};
projects / mech_eap.git / blobdiff