wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
new file mode 100644
index 0000000..7ec4531
--- /dev/null
+++ b/wpa_supplicant/config.c
@@ -0,0 +1,2490 @@
+/*
+ * WPA Supplicant / Configuration parser and common functions
+ * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ *
+ * 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 "utils/uuid.h"
+#include "crypto/sha1.h"
+#include "rsn_supp/wpa.h"
+#include "eap_peer/eap.h"
+#include "config.h"
+
+
+#if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE)
+#define NO_CONFIG_WRITE
+#endif
+
+/*
+ * Structure for network configuration parsing. This data is used to implement
+ * a generic parser for each network block variable. The table of configuration
+ * variables is defined below in this file (ssid_fields[]).
+ */
+struct parse_data {
+ /* Configuration variable name */
+ char *name;
+
+ /* Parser function for this variable */
+ int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid,
+ int line, const char *value);
+
+#ifndef NO_CONFIG_WRITE
+ /* Writer function (i.e., to get the variable in text format from
+ * internal presentation). */
+ char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid);
+#endif /* NO_CONFIG_WRITE */
+
+ /* Variable specific parameters for the parser. */
+ void *param1, *param2, *param3, *param4;
+
+ /* 0 = this variable can be included in debug output and ctrl_iface
+ * 1 = this variable contains key/private data and it must not be
+ * included in debug output unless explicitly requested. In
+ * addition, this variable will not be readable through the
+ * ctrl_iface.
+ */
+ int key_data;
+};
+
+
+static char * wpa_config_parse_string(const char *value, size_t *len)
+{
+ if (*value == '"') {
+ const char *pos;
+ char *str;
+ value++;
+ pos = os_strrchr(value, '"');
+ if (pos == NULL || pos[1] != '\0')
+ return NULL;
+ *len = pos - value;
+ str = os_malloc(*len + 1);
+ if (str == NULL)
+ return NULL;
+ os_memcpy(str, value, *len);
+ str[*len] = '\0';
+ return str;
+ } else {
+ u8 *str;
+ size_t tlen, hlen = os_strlen(value);
+ if (hlen & 1)
+ return NULL;
+ tlen = hlen / 2;
+ str = os_malloc(tlen + 1);
+ if (str == NULL)
+ return NULL;
+ if (hexstr2bin(value, str, tlen)) {
+ os_free(str);
+ return NULL;
+ }
+ str[tlen] = '\0';
+ *len = tlen;
+ return (char *) str;
+ }
+}
+
+
+static int wpa_config_parse_str(const struct parse_data *data,
+ struct wpa_ssid *ssid,
+ int line, const char *value)
+{
+ size_t res_len, *dst_len;
+ char **dst, *tmp;
+
+ if (os_strcmp(value, "NULL") == 0) {
+ wpa_printf(MSG_DEBUG, "Unset configuration string '%s'",
+ data->name);
+ tmp = NULL;
+ res_len = 0;
+ goto set;
+ }
+
+ tmp = wpa_config_parse_string(value, &res_len);
+ if (tmp == NULL) {
+ wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
+ line, data->name,
+ data->key_data ? "[KEY DATA REMOVED]" : value);
+ return -1;
+ }
+
+ if (data->key_data) {
+ wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
+ (u8 *) tmp, res_len);
+ } else {
+ wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
+ (u8 *) tmp, res_len);
+ }
+
+ if (data->param3 && res_len < (size_t) data->param3) {
+ wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
+ "min_len=%ld)", line, data->name,
+ (unsigned long) res_len, (long) data->param3);
+ os_free(tmp);
+ return -1;
+ }
+
+ if (data->param4 && res_len > (size_t) data->param4) {
+ wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
+ "max_len=%ld)", line, data->name,
+ (unsigned long) res_len, (long) data->param4);
+ os_free(tmp);
+ return -1;
+ }
+
+set:
+ dst = (char **) (((u8 *) ssid) + (long) data->param1);
+ dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2);
+ os_free(*dst);
+ *dst = tmp;
+ if (data->param2)
+ *dst_len = res_len;
+
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static int is_hex(const u8 *data, size_t len)
+{
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ if (data[i] < 32 || data[i] >= 127)
+ return 1;
+ }
+ return 0;
+}
+
+
+static char * wpa_config_write_string_ascii(const u8 *value, size_t len)
+{
+ char *buf;
+
+ buf = os_malloc(len + 3);
+ if (buf == NULL)
+ return NULL;
+ buf[0] = '"';
+ os_memcpy(buf + 1, value, len);
+ buf[len + 1] = '"';
+ buf[len + 2] = '\0';
+
+ return buf;
+}
+
+
+static char * wpa_config_write_string_hex(const u8 *value, size_t len)
+{
+ char *buf;
+
+ buf = os_zalloc(2 * len + 1);
+ if (buf == NULL)
+ return NULL;
+ wpa_snprintf_hex(buf, 2 * len + 1, value, len);
+
+ return buf;
+}
+
+
+static char * wpa_config_write_string(const u8 *value, size_t len)
+{
+ if (value == NULL)
+ return NULL;
+
+ if (is_hex(value, len))
+ return wpa_config_write_string_hex(value, len);
+ else
+ return wpa_config_write_string_ascii(value, len);
+}
+
+
+static char * wpa_config_write_str(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ size_t len;
+ char **src;
+
+ src = (char **) (((u8 *) ssid) + (long) data->param1);
+ if (*src == NULL)
+ return NULL;
+
+ if (data->param2)
+ len = *((size_t *) (((u8 *) ssid) + (long) data->param2));
+ else
+ len = os_strlen(*src);
+
+ return wpa_config_write_string((const u8 *) *src, len);
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_int(const struct parse_data *data,
+ struct wpa_ssid *ssid,
+ int line, const char *value)
+{
+ int *dst;
+
+ dst = (int *) (((u8 *) ssid) + (long) data->param1);
+ *dst = atoi(value);
+ wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
+
+ if (data->param3 && *dst < (long) data->param3) {
+ wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
+ "min_value=%ld)", line, data->name, *dst,
+ (long) data->param3);
+ *dst = (long) data->param3;
+ return -1;
+ }
+
+ if (data->param4 && *dst > (long) data->param4) {
+ wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
+ "max_value=%ld)", line, data->name, *dst,
+ (long) data->param4);
+ *dst = (long) data->param4;
+ return -1;
+ }
+
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_int(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ int *src, res;
+ char *value;
+
+ src = (int *) (((u8 *) ssid) + (long) data->param1);
+
+ value = os_malloc(20);
+ if (value == NULL)
+ return NULL;
+ res = os_snprintf(value, 20, "%d", *src);
+ if (res < 0 || res >= 20) {
+ os_free(value);
+ return NULL;
+ }
+ value[20 - 1] = '\0';
+ return value;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_bssid(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
+ os_strcmp(value, "any") == 0) {
+ ssid->bssid_set = 0;
+ wpa_printf(MSG_MSGDUMP, "BSSID any");
+ return 0;
+ }
+ if (hwaddr_aton(value, ssid->bssid)) {
+ wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
+ line, value);
+ return -1;
+ }
+ ssid->bssid_set = 1;
+ wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_bssid(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ char *value;
+ int res;
+
+ if (!ssid->bssid_set)
+ return NULL;
+
+ value = os_malloc(20);
+ if (value == NULL)
+ return NULL;
+ res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
+ if (res < 0 || res >= 20) {
+ os_free(value);
+ return NULL;
+ }
+ value[20 - 1] = '\0';
+ return value;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_psk(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ if (*value == '"') {
+#ifndef CONFIG_NO_PBKDF2
+ const char *pos;
+ size_t len;
+
+ value++;
+ pos = os_strrchr(value, '"');
+ if (pos)
+ len = pos - value;
+ else
+ len = os_strlen(value);
+ if (len < 8 || len > 63) {
+ wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
+ "length %lu (expected: 8..63) '%s'.",
+ line, (unsigned long) len, value);
+ return -1;
+ }
+ wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
+ (u8 *) value, len);
+ if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
+ os_memcmp(ssid->passphrase, value, len) == 0)
+ return 0;
+ ssid->psk_set = 0;
+ os_free(ssid->passphrase);
+ ssid->passphrase = os_malloc(len + 1);
+ if (ssid->passphrase == NULL)
+ return -1;
+ os_memcpy(ssid->passphrase, value, len);
+ ssid->passphrase[len] = '\0';
+ return 0;
+#else /* CONFIG_NO_PBKDF2 */
+ wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
+ "supported.", line);
+ return -1;
+#endif /* CONFIG_NO_PBKDF2 */
+ }
+
+ if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
+ value[PMK_LEN * 2] != '\0') {
+ wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
+ line, value);
+ return -1;
+ }
+
+ os_free(ssid->passphrase);
+ ssid->passphrase = NULL;
+
+ ssid->psk_set = 1;
+ wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_psk(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ if (ssid->passphrase)
+ return wpa_config_write_string_ascii(
+ (const u8 *) ssid->passphrase,
+ os_strlen(ssid->passphrase));
+
+ if (ssid->psk_set)
+ return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
+
+ return NULL;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_proto(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int val = 0, last, errors = 0;
+ char *start, *end, *buf;
+
+ buf = os_strdup(value);
+ if (buf == NULL)
+ return -1;
+ start = buf;
+
+ while (*start != '\0') {
+ while (*start == ' ' || *start == '\t')
+ start++;
+ if (*start == '\0')
+ break;
+ end = start;
+ while (*end != ' ' && *end != '\t' && *end != '\0')
+ end++;
+ last = *end == '\0';
+ *end = '\0';
+ if (os_strcmp(start, "WPA") == 0)
+ val |= WPA_PROTO_WPA;
+ else if (os_strcmp(start, "RSN") == 0 ||
+ os_strcmp(start, "WPA2") == 0)
+ val |= WPA_PROTO_RSN;
+ else {
+ wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
+ line, start);
+ errors++;
+ }
+
+ if (last)
+ break;
+ start = end + 1;
+ }
+ os_free(buf);
+
+ if (val == 0) {
+ wpa_printf(MSG_ERROR,
+ "Line %d: no proto values configured.", line);
+ errors++;
+ }
+
+ wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
+ ssid->proto = val;
+ return errors ? -1 : 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_proto(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ int first = 1, ret;
+ char *buf, *pos, *end;
+
+ pos = buf = os_zalloc(10);
+ if (buf == NULL)
+ return NULL;
+ end = buf + 10;
+
+ if (ssid->proto & WPA_PROTO_WPA) {
+ ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
+ if (ret < 0 || ret >= end - pos)
+ return buf;
+ pos += ret;
+ first = 0;
+ }
+
+ if (ssid->proto & WPA_PROTO_RSN) {
+ ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
+ if (ret < 0 || ret >= end - pos)
+ return buf;
+ pos += ret;
+ first = 0;
+ }
+
+ return buf;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_key_mgmt(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int val = 0, last, errors = 0;
+ char *start, *end, *buf;
+
+ buf = os_strdup(value);
+ if (buf == NULL)
+ return -1;
+ start = buf;
+
+ while (*start != '\0') {
+ while (*start == ' ' || *start == '\t')
+ start++;
+ if (*start == '\0')
+ break;
+ end = start;
+ while (*end != ' ' && *end != '\t' && *end != '\0')
+ end++;
+ last = *end == '\0';
+ *end = '\0';
+ if (os_strcmp(start, "WPA-PSK") == 0)
+ val |= WPA_KEY_MGMT_PSK;
+ else if (os_strcmp(start, "WPA-EAP") == 0)
+ val |= WPA_KEY_MGMT_IEEE8021X;
+ else if (os_strcmp(start, "IEEE8021X") == 0)
+ val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
+ else if (os_strcmp(start, "NONE") == 0)
+ val |= WPA_KEY_MGMT_NONE;
+ else if (os_strcmp(start, "WPA-NONE") == 0)
+ val |= WPA_KEY_MGMT_WPA_NONE;
+#ifdef CONFIG_IEEE80211R
+ else if (os_strcmp(start, "FT-PSK") == 0)
+ val |= WPA_KEY_MGMT_FT_PSK;
+ else if (os_strcmp(start, "FT-EAP") == 0)
+ val |= WPA_KEY_MGMT_FT_IEEE8021X;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+ else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
+ val |= WPA_KEY_MGMT_PSK_SHA256;
+ else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
+ val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_WPS
+ else if (os_strcmp(start, "WPS") == 0)
+ val |= WPA_KEY_MGMT_WPS;
+#endif /* CONFIG_WPS */
+ else {
+ wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
+ line, start);
+ errors++;
+ }
+
+ if (last)
+ break;
+ start = end + 1;
+ }
+ os_free(buf);
+
+ if (val == 0) {
+ wpa_printf(MSG_ERROR,
+ "Line %d: no key_mgmt values configured.", line);
+ errors++;
+ }
+
+ wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
+ ssid->key_mgmt = val;
+ return errors ? -1 : 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_key_mgmt(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ char *buf, *pos, *end;
+ int ret;
+
+ pos = buf = os_zalloc(50);
+ if (buf == NULL)
+ return NULL;
+ end = buf + 50;
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
+ ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
+ ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+ ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
+ ret = os_snprintf(pos, end - pos, "%sNONE",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
+ ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+#ifdef CONFIG_IEEE80211R
+ if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK)
+ pos += os_snprintf(pos, end - pos, "%sFT-PSK",
+ pos == buf ? "" : " ");
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
+ pos += os_snprintf(pos, end - pos, "%sFT-EAP",
+ pos == buf ? "" : " ");
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_IEEE80211W
+ if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
+ pos += os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
+ pos == buf ? "" : " ");
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
+ pos += os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
+ pos == buf ? "" : " ");
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_WPS
+ if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
+ pos += os_snprintf(pos, end - pos, "%sWPS",
+ pos == buf ? "" : " ");
+#endif /* CONFIG_WPS */
+
+ return buf;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_cipher(int line, const char *value)
+{
+ int val = 0, last;
+ char *start, *end, *buf;
+
+ buf = os_strdup(value);
+ if (buf == NULL)
+ return -1;
+ start = buf;
+
+ while (*start != '\0') {
+ while (*start == ' ' || *start == '\t')
+ start++;
+ if (*start == '\0')
+ break;
+ end = start;
+ while (*end != ' ' && *end != '\t' && *end != '\0')
+ end++;
+ last = *end == '\0';
+ *end = '\0';
+ if (os_strcmp(start, "CCMP") == 0)
+ val |= WPA_CIPHER_CCMP;
+ else if (os_strcmp(start, "TKIP") == 0)
+ val |= WPA_CIPHER_TKIP;
+ else if (os_strcmp(start, "WEP104") == 0)
+ val |= WPA_CIPHER_WEP104;
+ else if (os_strcmp(start, "WEP40") == 0)
+ val |= WPA_CIPHER_WEP40;
+ else if (os_strcmp(start, "NONE") == 0)
+ val |= WPA_CIPHER_NONE;
+ else {
+ wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
+ line, start);
+ os_free(buf);
+ return -1;
+ }
+
+ if (last)
+ break;
+ start = end + 1;
+ }
+ os_free(buf);
+
+ if (val == 0) {
+ wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
+ line);
+ return -1;
+ }
+ return val;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_cipher(int cipher)
+{
+ char *buf, *pos, *end;
+ int ret;
+
+ pos = buf = os_zalloc(50);
+ if (buf == NULL)
+ return NULL;
+ end = buf + 50;
+
+ if (cipher & WPA_CIPHER_CCMP) {
+ ret = os_snprintf(pos, end - pos, "%sCCMP",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (cipher & WPA_CIPHER_TKIP) {
+ ret = os_snprintf(pos, end - pos, "%sTKIP",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (cipher & WPA_CIPHER_WEP104) {
+ ret = os_snprintf(pos, end - pos, "%sWEP104",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (cipher & WPA_CIPHER_WEP40) {
+ ret = os_snprintf(pos, end - pos, "%sWEP40",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (cipher & WPA_CIPHER_NONE) {
+ ret = os_snprintf(pos, end - pos, "%sNONE",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ return buf;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_pairwise(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int val;
+ val = wpa_config_parse_cipher(line, value);
+ if (val == -1)
+ return -1;
+ if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | WPA_CIPHER_NONE)) {
+ wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
+ "(0x%x).", line, val);
+ return -1;
+ }
+
+ wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
+ ssid->pairwise_cipher = val;
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_pairwise(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_cipher(ssid->pairwise_cipher);
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_group(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int val;
+ val = wpa_config_parse_cipher(line, value);
+ if (val == -1)
+ return -1;
+ if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | WPA_CIPHER_WEP104 |
+ WPA_CIPHER_WEP40)) {
+ wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
+ "(0x%x).", line, val);
+ return -1;
+ }
+
+ wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
+ ssid->group_cipher = val;
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_group(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_cipher(ssid->group_cipher);
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int wpa_config_parse_auth_alg(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int val = 0, last, errors = 0;
+ char *start, *end, *buf;
+
+ buf = os_strdup(value);
+ if (buf == NULL)
+ return -1;
+ start = buf;
+
+ while (*start != '\0') {
+ while (*start == ' ' || *start == '\t')
+ start++;
+ if (*start == '\0')
+ break;
+ end = start;
+ while (*end != ' ' && *end != '\t' && *end != '\0')
+ end++;
+ last = *end == '\0';
+ *end = '\0';
+ if (os_strcmp(start, "OPEN") == 0)
+ val |= WPA_AUTH_ALG_OPEN;
+ else if (os_strcmp(start, "SHARED") == 0)
+ val |= WPA_AUTH_ALG_SHARED;
+ else if (os_strcmp(start, "LEAP") == 0)
+ val |= WPA_AUTH_ALG_LEAP;
+ else {
+ wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
+ line, start);
+ errors++;
+ }
+
+ if (last)
+ break;
+ start = end + 1;
+ }
+ os_free(buf);
+
+ if (val == 0) {
+ wpa_printf(MSG_ERROR,
+ "Line %d: no auth_alg values configured.", line);
+ errors++;
+ }
+
+ wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
+ ssid->auth_alg = val;
+ return errors ? -1 : 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_auth_alg(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ char *buf, *pos, *end;
+ int ret;
+
+ pos = buf = os_zalloc(30);
+ if (buf == NULL)
+ return NULL;
+ end = buf + 30;
+
+ if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
+ ret = os_snprintf(pos, end - pos, "%sOPEN",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
+ ret = os_snprintf(pos, end - pos, "%sSHARED",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
+ ret = os_snprintf(pos, end - pos, "%sLEAP",
+ pos == buf ? "" : " ");
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ return buf;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+static int * wpa_config_parse_freqs(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int *freqs;
+ size_t used, len;
+ const char *pos;
+
+ used = 0;
+ len = 10;
+ freqs = os_zalloc((len + 1) * sizeof(int));
+ if (freqs == NULL)
+ return NULL;
+
+ pos = value;
+ while (pos) {
+ while (*pos == ' ')
+ pos++;
+ if (used == len) {
+ int *n;
+ size_t i;
+ n = os_realloc(freqs, (len * 2 + 1) * sizeof(int));
+ if (n == NULL) {
+ os_free(freqs);
+ return NULL;
+ }
+ for (i = len; i <= len * 2; i++)
+ n[i] = 0;
+ freqs = n;
+ len *= 2;
+ }
+
+ freqs[used] = atoi(pos);
+ if (freqs[used] == 0)
+ break;
+ used++;
+ pos = os_strchr(pos + 1, ' ');
+ }
+
+ return freqs;
+}
+
+
+static int wpa_config_parse_scan_freq(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int *freqs;
+
+ freqs = wpa_config_parse_freqs(data, ssid, line, value);
+ if (freqs == NULL)
+ return -1;
+ os_free(ssid->scan_freq);
+ ssid->scan_freq = freqs;
+
+ return 0;
+}
+
+
+static int wpa_config_parse_freq_list(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int *freqs;
+
+ freqs = wpa_config_parse_freqs(data, ssid, line, value);
+ if (freqs == NULL)
+ return -1;
+ os_free(ssid->freq_list);
+ ssid->freq_list = freqs;
+
+ return 0;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_freqs(const struct parse_data *data,
+ const int *freqs)
+{
+ char *buf, *pos, *end;
+ int i, ret;
+ size_t count;
+
+ if (freqs == NULL)
+ return NULL;
+
+ count = 0;
+ for (i = 0; freqs[i]; i++)
+ count++;
+
+ pos = buf = os_zalloc(10 * count + 1);
+ if (buf == NULL)
+ return NULL;
+ end = buf + 10 * count + 1;
+
+ for (i = 0; freqs[i]; i++) {
+ ret = os_snprintf(pos, end - pos, "%s%u",
+ i == 0 ? "" : " ", freqs[i]);
+ if (ret < 0 || ret >= end - pos) {
+ end[-1] = '\0';
+ return buf;
+ }
+ pos += ret;
+ }
+
+ return buf;
+}
+
+
+static char * wpa_config_write_scan_freq(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_freqs(data, ssid->scan_freq);
+}
+
+
+static char * wpa_config_write_freq_list(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_freqs(data, ssid->freq_list);
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+#ifdef IEEE8021X_EAPOL
+static int wpa_config_parse_eap(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ int last, errors = 0;
+ char *start, *end, *buf;
+ struct eap_method_type *methods = NULL, *tmp;
+ size_t num_methods = 0;
+
+ buf = os_strdup(value);
+ if (buf == NULL)
+ return -1;
+ start = buf;
+
+ while (*start != '\0') {
+ while (*start == ' ' || *start == '\t')
+ start++;
+ if (*start == '\0')
+ break;
+ end = start;
+ while (*end != ' ' && *end != '\t' && *end != '\0')
+ end++;
+ last = *end == '\0';
+ *end = '\0';
+ tmp = methods;
+ methods = os_realloc(methods,
+ (num_methods + 1) * sizeof(*methods));
+ if (methods == NULL) {
+ os_free(tmp);
+ os_free(buf);
+ return -1;
+ }
+ methods[num_methods].method = eap_peer_get_type(
+ start, &methods[num_methods].vendor);
+ if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
+ methods[num_methods].method == EAP_TYPE_NONE) {
+ wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
+ "'%s'", line, start);
+ wpa_printf(MSG_ERROR, "You may need to add support for"
+ " this EAP method during wpa_supplicant\n"
+ "build time configuration.\n"
+ "See README for more information.");
+ errors++;
+ } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
+ methods[num_methods].method == EAP_TYPE_LEAP)
+ ssid->leap++;
+ else
+ ssid->non_leap++;
+ num_methods++;
+ if (last)
+ break;
+ start = end + 1;
+ }
+ os_free(buf);
+
+ tmp = methods;
+ methods = os_realloc(methods, (num_methods + 1) * sizeof(*methods));
+ if (methods == NULL) {
+ os_free(tmp);
+ return -1;
+ }
+ methods[num_methods].vendor = EAP_VENDOR_IETF;
+ methods[num_methods].method = EAP_TYPE_NONE;
+ num_methods++;
+
+ wpa_hexdump(MSG_MSGDUMP, "eap methods",
+ (u8 *) methods, num_methods * sizeof(*methods));
+ ssid->eap.eap_methods = methods;
+ return errors ? -1 : 0;
+}
+
+
+static char * wpa_config_write_eap(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ int i, ret;
+ char *buf, *pos, *end;
+ const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
+ const char *name;
+
+ if (eap_methods == NULL)
+ return NULL;
+
+ pos = buf = os_zalloc(100);
+ if (buf == NULL)
+ return NULL;
+ end = buf + 100;
+
+ for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
+ eap_methods[i].method != EAP_TYPE_NONE; i++) {
+ name = eap_get_name(eap_methods[i].vendor,
+ eap_methods[i].method);
+ if (name) {
+ ret = os_snprintf(pos, end - pos, "%s%s",
+ pos == buf ? "" : " ", name);
+ if (ret < 0 || ret >= end - pos)
+ break;
+ pos += ret;
+ }
+ }
+
+ end[-1] = '\0';
+
+ return buf;
+}
+
+
+static int wpa_config_parse_password(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ u8 *hash;
+
+ if (os_strcmp(value, "NULL") == 0) {
+ wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
+ os_free(ssid->eap.password);
+ ssid->eap.password = NULL;
+ ssid->eap.password_len = 0;
+ return 0;
+ }
+
+ if (os_strncmp(value, "hash:", 5) != 0) {
+ char *tmp;
+ size_t res_len;
+
+ tmp = wpa_config_parse_string(value, &res_len);
+ if (tmp == NULL) {
+ wpa_printf(MSG_ERROR, "Line %d: failed to parse "
+ "password.", line);
+ return -1;
+ }
+ wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
+ (u8 *) tmp, res_len);
+
+ os_free(ssid->eap.password);
+ ssid->eap.password = (u8 *) tmp;
+ ssid->eap.password_len = res_len;
+ ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
+
+ return 0;
+ }
+
+
+ /* NtPasswordHash: hash:<32 hex digits> */
+ if (os_strlen(value + 5) != 2 * 16) {
+ wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
+ "(expected 32 hex digits)", line);
+ return -1;
+ }
+
+ hash = os_malloc(16);
+ if (hash == NULL)
+ return -1;
+
+ if (hexstr2bin(value + 5, hash, 16)) {
+ os_free(hash);
+ wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
+ return -1;
+ }
+
+ wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
+
+ os_free(ssid->eap.password);
+ ssid->eap.password = hash;
+ ssid->eap.password_len = 16;
+ ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
+
+ return 0;
+}
+
+
+static char * wpa_config_write_password(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ char *buf;
+
+ if (ssid->eap.password == NULL)
+ return NULL;
+
+ if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
+ return wpa_config_write_string(
+ ssid->eap.password, ssid->eap.password_len);
+ }
+
+ buf = os_malloc(5 + 32 + 1);
+ if (buf == NULL)
+ return NULL;
+
+ os_memcpy(buf, "hash:", 5);
+ wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
+
+ return buf;
+}
+#endif /* IEEE8021X_EAPOL */
+
+
+static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
+ const char *value, int idx)
+{
+ char *buf, title[20];
+ int res;
+
+ buf = wpa_config_parse_string(value, len);
+ if (buf == NULL) {
+ wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
+ line, idx, value);
+ return -1;
+ }
+ if (*len > MAX_WEP_KEY_LEN) {
+ wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
+ line, idx, value);
+ os_free(buf);
+ return -1;
+ }
+ os_memcpy(key, buf, *len);
+ os_free(buf);
+ res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
+ if (res >= 0 && (size_t) res < sizeof(title))
+ wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
+ return 0;
+}
+
+
+static int wpa_config_parse_wep_key0(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ return wpa_config_parse_wep_key(ssid->wep_key[0],
+ &ssid->wep_key_len[0], line,
+ value, 0);
+}
+
+
+static int wpa_config_parse_wep_key1(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ return wpa_config_parse_wep_key(ssid->wep_key[1],
+ &ssid->wep_key_len[1], line,
+ value, 1);
+}
+
+
+static int wpa_config_parse_wep_key2(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ return wpa_config_parse_wep_key(ssid->wep_key[2],
+ &ssid->wep_key_len[2], line,
+ value, 2);
+}
+
+
+static int wpa_config_parse_wep_key3(const struct parse_data *data,
+ struct wpa_ssid *ssid, int line,
+ const char *value)
+{
+ return wpa_config_parse_wep_key(ssid->wep_key[3],
+ &ssid->wep_key_len[3], line,
+ value, 3);
+}
+
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
+{
+ if (ssid->wep_key_len[idx] == 0)
+ return NULL;
+ return wpa_config_write_string(ssid->wep_key[idx],
+ ssid->wep_key_len[idx]);
+}
+
+
+static char * wpa_config_write_wep_key0(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_wep_key(ssid, 0);
+}
+
+
+static char * wpa_config_write_wep_key1(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_wep_key(ssid, 1);
+}
+
+
+static char * wpa_config_write_wep_key2(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_wep_key(ssid, 2);
+}
+
+
+static char * wpa_config_write_wep_key3(const struct parse_data *data,
+ struct wpa_ssid *ssid)
+{
+ return wpa_config_write_wep_key(ssid, 3);
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+/* Helper macros for network block parser */
+
+#ifdef OFFSET
+#undef OFFSET
+#endif /* OFFSET */
+/* OFFSET: Get offset of a variable within the wpa_ssid structure */
+#define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
+
+/* STR: Define a string variable for an ASCII string; f = field name */
+#ifdef NO_CONFIG_WRITE
+#define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
+#define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
+#else /* NO_CONFIG_WRITE */
+#define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
+#define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
+#endif /* NO_CONFIG_WRITE */
+#define STR(f) _STR(f), NULL, NULL, NULL, 0
+#define STRe(f) _STRe(f), NULL, NULL, NULL, 0
+#define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
+#define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
+
+/* STR_LEN: Define a string variable with a separate variable for storing the
+ * data length. Unlike STR(), this can be used to store arbitrary binary data
+ * (i.e., even nul termination character). */
+#define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
+#define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
+#define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
+#define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
+#define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
+
+/* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
+ * explicitly specified. */
+#define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
+#define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
+#define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
+
+#ifdef NO_CONFIG_WRITE
+#define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
+#define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
+#else /* NO_CONFIG_WRITE */
+#define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
+ OFFSET(f), (void *) 0
+#define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
+ OFFSET(eap.f), (void *) 0
+#endif /* NO_CONFIG_WRITE */
+
+/* INT: Define an integer variable */
+#define INT(f) _INT(f), NULL, NULL, 0
+#define INTe(f) _INTe(f), NULL, NULL, 0
+
+/* INT_RANGE: Define an integer variable with allowed value range */
+#define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
+
+/* FUNC: Define a configuration variable that uses a custom function for
+ * parsing and writing the value. */
+#ifdef NO_CONFIG_WRITE
+#define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
+#else /* NO_CONFIG_WRITE */
+#define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
+ NULL, NULL, NULL, NULL
+#endif /* NO_CONFIG_WRITE */
+#define FUNC(f) _FUNC(f), 0
+#define FUNC_KEY(f) _FUNC(f), 1
+
+/*
+ * Table of network configuration variables. This table is used to parse each
+ * network configuration variable, e.g., each line in wpa_supplicant.conf file
+ * that is inside a network block.
+ *
+ * This table is generated using the helper macros defined above and with
+ * generous help from the C pre-processor. The field name is stored as a string
+ * into .name and for STR and INT types, the offset of the target buffer within
+ * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
+ * offset to the field containing the length of the configuration variable.
+ * .param3 and .param4 can be used to mark the allowed range (length for STR
+ * and value for INT).
+ *
+ * For each configuration line in wpa_supplicant.conf, the parser goes through
+ * this table and select the entry that matches with the field name. The parser
+ * function (.parser) is then called to parse the actual value of the field.
+ *
+ * This kind of mechanism makes it easy to add new configuration parameters,
+ * since only one line needs to be added into this table and into the
+ * struct wpa_ssid definition if the new variable is either a string or
+ * integer. More complex types will need to use their own parser and writer
+ * functions.
+ */
+static const struct parse_data ssid_fields[] = {
+ { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
+ { INT_RANGE(scan_ssid, 0, 1) },
+ { FUNC(bssid) },
+ { FUNC_KEY(psk) },
+ { FUNC(proto) },
+ { FUNC(key_mgmt) },
+ { FUNC(pairwise) },
+ { FUNC(group) },
+ { FUNC(auth_alg) },
+ { FUNC(scan_freq) },
+ { FUNC(freq_list) },
+#ifdef IEEE8021X_EAPOL
+ { FUNC(eap) },
+ { STR_LENe(identity) },
+ { STR_LENe(anonymous_identity) },
+ { FUNC_KEY(password) },
+ { STRe(ca_cert) },
+ { STRe(ca_path) },
+ { STRe(client_cert) },
+ { STRe(private_key) },
+ { STR_KEYe(private_key_passwd) },
+ { STRe(dh_file) },
+ { STRe(subject_match) },
+ { STRe(altsubject_match) },
+ { STRe(ca_cert2) },
+ { STRe(ca_path2) },
+ { STRe(client_cert2) },
+ { STRe(private_key2) },
+ { STR_KEYe(private_key2_passwd) },
+ { STRe(dh_file2) },
+ { STRe(subject_match2) },
+ { STRe(altsubject_match2) },
+ { STRe(phase1) },
+ { STRe(phase2) },
+ { STRe(pcsc) },
+ { STR_KEYe(pin) },
+ { STRe(engine_id) },
+ { STRe(key_id) },
+ { STRe(cert_id) },
+ { STRe(ca_cert_id) },
+ { STR_KEYe(pin2) },
+ { STRe(engine2_id) },
+ { STRe(key2_id) },
+ { STRe(cert2_id) },
+ { STRe(ca_cert2_id) },
+ { INTe(engine) },
+ { INTe(engine2) },
+ { INT(eapol_flags) },
+#endif /* IEEE8021X_EAPOL */
+ { FUNC_KEY(wep_key0) },
+ { FUNC_KEY(wep_key1) },
+ { FUNC_KEY(wep_key2) },
+ { FUNC_KEY(wep_key3) },
+ { INT(wep_tx_keyidx) },
+ { INT(priority) },
+#ifdef IEEE8021X_EAPOL
+ { INT(eap_workaround) },
+ { STRe(pac_file) },
+ { INTe(fragment_size) },
+#endif /* IEEE8021X_EAPOL */
+ { INT_RANGE(mode, 0, 4) },
+ { INT_RANGE(proactive_key_caching, 0, 1) },
+ { INT_RANGE(disabled, 0, 2) },
+ { STR(id_str) },
+#ifdef CONFIG_IEEE80211W
+ { INT_RANGE(ieee80211w, 0, 2) },
+#endif /* CONFIG_IEEE80211W */
+ { INT_RANGE(peerkey, 0, 1) },
+ { INT_RANGE(mixed_cell, 0, 1) },
+ { INT_RANGE(frequency, 0, 10000) },
+ { INT(wpa_ptk_rekey) },
+ { STR(bgscan) },
+};
+
+#undef OFFSET
+#undef _STR
+#undef STR
+#undef STR_KEY
+#undef _STR_LEN
+#undef STR_LEN
+#undef STR_LEN_KEY
+#undef _STR_RANGE
+#undef STR_RANGE
+#undef STR_RANGE_KEY
+#undef _INT
+#undef INT
+#undef INT_RANGE
+#undef _FUNC
+#undef FUNC
+#undef FUNC_KEY
+#define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
+
+
+/**
+ * wpa_config_add_prio_network - Add a network to priority lists
+ * @config: Configuration data from wpa_config_read()
+ * @ssid: Pointer to the network configuration to be added to the list
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to add a network block to the priority list of
+ * networks. This must be called for each network when reading in the full
+ * configuration. In addition, this can be used indirectly when updating
+ * priorities by calling wpa_config_update_prio_list().
+ */
+int wpa_config_add_prio_network(struct wpa_config *config,
+ struct wpa_ssid *ssid)
+{
+ int prio;
+ struct wpa_ssid *prev, **nlist;
+
+ /*
+ * Add to an existing priority list if one is available for the
+ * configured priority level for this network.
+ */
+ for (prio = 0; prio < config->num_prio; prio++) {
+ prev = config->pssid[prio];
+ if (prev->priority == ssid->priority) {
+ while (prev->pnext)
+ prev = prev->pnext;
+ prev->pnext = ssid;
+ return 0;
+ }
+ }
+
+ /* First network for this priority - add a new priority list */
+ nlist = os_realloc(config->pssid,
+ (config->num_prio + 1) * sizeof(struct wpa_ssid *));
+ if (nlist == NULL)
+ return -1;
+
+ for (prio = 0; prio < config->num_prio; prio++) {
+ if (nlist[prio]->priority < ssid->priority)
+ break;
+ }
+
+ os_memmove(&nlist[prio + 1], &nlist[prio],
+ (config->num_prio - prio) * sizeof(struct wpa_ssid *));
+
+ nlist[prio] = ssid;
+ config->num_prio++;
+ config->pssid = nlist;
+
+ return 0;
+}
+
+
+/**
+ * wpa_config_update_prio_list - Update network priority list
+ * @config: Configuration data from wpa_config_read()
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is called to update the priority list of networks in the
+ * configuration when a network is being added or removed. This is also called
+ * if a priority for a network is changed.
+ */
+int wpa_config_update_prio_list(struct wpa_config *config)
+{
+ struct wpa_ssid *ssid;
+ int ret = 0;
+
+ os_free(config->pssid);
+ config->pssid = NULL;
+ config->num_prio = 0;
+
+ ssid = config->ssid;
+ while (ssid) {
+ ssid->pnext = NULL;
+ if (wpa_config_add_prio_network(config, ssid) < 0)
+ ret = -1;
+ ssid = ssid->next;
+ }
+
+ return ret;
+}
+
+
+#ifdef IEEE8021X_EAPOL
+static void eap_peer_config_free(struct eap_peer_config *eap)
+{
+ os_free(eap->eap_methods);
+ os_free(eap->identity);
+ os_free(eap->anonymous_identity);
+ os_free(eap->password);
+ os_free(eap->ca_cert);
+ os_free(eap->ca_path);
+ os_free(eap->client_cert);
+ os_free(eap->private_key);
+ os_free(eap->private_key_passwd);
+ os_free(eap->dh_file);
+ os_free(eap->subject_match);
+ os_free(eap->altsubject_match);
+ os_free(eap->ca_cert2);
+ os_free(eap->ca_path2);
+ os_free(eap->client_cert2);
+ os_free(eap->private_key2);
+ os_free(eap->private_key2_passwd);
+ os_free(eap->dh_file2);
+ os_free(eap->subject_match2);
+ os_free(eap->altsubject_match2);
+ os_free(eap->phase1);
+ os_free(eap->phase2);
+ os_free(eap->pcsc);
+ os_free(eap->pin);
+ os_free(eap->engine_id);
+ os_free(eap->key_id);
+ os_free(eap->cert_id);
+ os_free(eap->ca_cert_id);
+ os_free(eap->key2_id);
+ os_free(eap->cert2_id);
+ os_free(eap->ca_cert2_id);
+ os_free(eap->pin2);
+ os_free(eap->engine2_id);
+ os_free(eap->otp);
+ os_free(eap->pending_req_otp);
+ os_free(eap->pac_file);
+ os_free(eap->new_password);
+}
+#endif /* IEEE8021X_EAPOL */
+
+
+/**
+ * wpa_config_free_ssid - Free network/ssid configuration data
+ * @ssid: Configuration data for the network
+ *
+ * This function frees all resources allocated for the network configuration
+ * data.
+ */
+void wpa_config_free_ssid(struct wpa_ssid *ssid)
+{
+ os_free(ssid->ssid);
+ os_free(ssid->passphrase);
+#ifdef IEEE8021X_EAPOL
+ eap_peer_config_free(&ssid->eap);
+#endif /* IEEE8021X_EAPOL */
+ os_free(ssid->id_str);
+ os_free(ssid->scan_freq);
+ os_free(ssid->freq_list);
+ os_free(ssid->bgscan);
+ os_free(ssid);
+}
+
+
+/**
+ * wpa_config_free - Free configuration data
+ * @config: Configuration data from wpa_config_read()
+ *
+ * This function frees all resources allocated for the configuration data by
+ * wpa_config_read().
+ */
+void wpa_config_free(struct wpa_config *config)
+{
+#ifndef CONFIG_NO_CONFIG_BLOBS
+ struct wpa_config_blob *blob, *prevblob;
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+ struct wpa_ssid *ssid, *prev = NULL;
+
+ ssid = config->ssid;
+ while (ssid) {
+ prev = ssid;
+ ssid = ssid->next;
+ wpa_config_free_ssid(prev);
+ }
+
+#ifndef CONFIG_NO_CONFIG_BLOBS
+ blob = config->blobs;
+ prevblob = NULL;
+ while (blob) {
+ prevblob = blob;
+ blob = blob->next;
+ wpa_config_free_blob(prevblob);
+ }
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+
+ os_free(config->ctrl_interface);
+ os_free(config->ctrl_interface_group);
+ os_free(config->opensc_engine_path);
+ os_free(config->pkcs11_engine_path);
+ os_free(config->pkcs11_module_path);
+ os_free(config->driver_param);
+ os_free(config->device_name);
+ os_free(config->manufacturer);
+ os_free(config->model_name);
+ os_free(config->model_number);
+ os_free(config->serial_number);
+ os_free(config->config_methods);
+ os_free(config->p2p_ssid_postfix);
+ os_free(config->pssid);
+ os_free(config);
+}
+
+
+/**
+ * wpa_config_foreach_network - Iterate over each configured network
+ * @config: Configuration data from wpa_config_read()
+ * @func: Callback function to process each network
+ * @arg: Opaque argument to pass to callback function
+ *
+ * Iterate over the set of configured networks calling the specified
+ * function for each item. We guard against callbacks removing the
+ * supplied network.
+ */
+void wpa_config_foreach_network(struct wpa_config *config,
+ void (*func)(void *, struct wpa_ssid *),
+ void *arg)
+{
+ struct wpa_ssid *ssid, *next;
+
+ ssid = config->ssid;
+ while (ssid) {
+ next = ssid->next;
+ func(arg, ssid);
+ ssid = next;
+ }
+}
+
+
+/**
+ * wpa_config_get_network - Get configured network based on id
+ * @config: Configuration data from wpa_config_read()
+ * @id: Unique network id to search for
+ * Returns: Network configuration or %NULL if not found
+ */
+struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
+{
+ struct wpa_ssid *ssid;
+
+ ssid = config->ssid;
+ while (ssid) {
+ if (id == ssid->id)
+ break;
+ ssid = ssid->next;
+ }
+
+ return ssid;
+}
+
+
+/**
+ * wpa_config_add_network - Add a new network with empty configuration
+ * @config: Configuration data from wpa_config_read()
+ * Returns: The new network configuration or %NULL if operation failed
+ */
+struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
+{
+ int id;
+ struct wpa_ssid *ssid, *last = NULL;
+
+ id = -1;
+ ssid = config->ssid;
+ while (ssid) {
+ if (ssid->id > id)
+ id = ssid->id;
+ last = ssid;
+ ssid = ssid->next;
+ }
+ id++;
+
+ ssid = os_zalloc(sizeof(*ssid));
+ if (ssid == NULL)
+ return NULL;
+ ssid->id = id;
+ if (last)
+ last->next = ssid;
+ else
+ config->ssid = ssid;
+
+ wpa_config_update_prio_list(config);
+
+ return ssid;
+}
+
+
+/**
+ * wpa_config_remove_network - Remove a configured network based on id
+ * @config: Configuration data from wpa_config_read()
+ * @id: Unique network id to search for
+ * Returns: 0 on success, or -1 if the network was not found
+ */
+int wpa_config_remove_network(struct wpa_config *config, int id)
+{
+ struct wpa_ssid *ssid, *prev = NULL;
+
+ ssid = config->ssid;
+ while (ssid) {
+ if (id == ssid->id)
+ break;
+ prev = ssid;
+ ssid = ssid->next;
+ }
+
+ if (ssid == NULL)
+ return -1;
+
+ if (prev)
+ prev->next = ssid->next;
+ else
+ config->ssid = ssid->next;
+
+ wpa_config_update_prio_list(config);
+ wpa_config_free_ssid(ssid);
+ return 0;
+}
+
+
+/**
+ * wpa_config_set_network_defaults - Set network default values
+ * @ssid: Pointer to network configuration data
+ */
+void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
+{
+ ssid->proto = DEFAULT_PROTO;
+ ssid->pairwise_cipher = DEFAULT_PAIRWISE;
+ ssid->group_cipher = DEFAULT_GROUP;
+ ssid->key_mgmt = DEFAULT_KEY_MGMT;
+#ifdef IEEE8021X_EAPOL
+ ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
+ ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
+ ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
+#endif /* IEEE8021X_EAPOL */
+}
+
+
+/**
+ * wpa_config_set - Set a variable in network configuration
+ * @ssid: Pointer to network configuration data
+ * @var: Variable name, e.g., "ssid"
+ * @value: Variable value
+ * @line: Line number in configuration file or 0 if not used
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function can be used to set network configuration variables based on
+ * both the configuration file and management interface input. The value
+ * parameter must be in the same format as the text-based configuration file is
+ * using. For example, strings are using double quotation marks.
+ */
+int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
+ int line)
+{
+ size_t i;
+ int ret = 0;
+
+ if (ssid == NULL || var == NULL || value == NULL)
+ return -1;
+
+ for (i = 0; i < NUM_SSID_FIELDS; i++) {
+ const struct parse_data *field = &ssid_fields[i];
+ if (os_strcmp(var, field->name) != 0)
+ continue;
+
+ if (field->parser(field, ssid, line, value)) {
+ if (line) {
+ wpa_printf(MSG_ERROR, "Line %d: failed to "
+ "parse %s '%s'.", line, var, value);
+ }
+ ret = -1;
+ }
+ break;
+ }
+ if (i == NUM_SSID_FIELDS) {
+ if (line) {
+ wpa_printf(MSG_ERROR, "Line %d: unknown network field "
+ "'%s'.", line, var);
+ }
+ ret = -1;
+ }
+
+ return ret;
+}
+
+
+/**
+ * wpa_config_get_all - Get all options from network configuration
+ * @ssid: Pointer to network configuration data
+ * @get_keys: Determines if keys/passwords will be included in returned list
+ * (if they may be exported)
+ * Returns: %NULL terminated list of all set keys and their values in the form
+ * of [key1, val1, key2, val2, ... , NULL]
+ *
+ * This function can be used to get list of all configured network properties.
+ * The caller is responsible for freeing the returned list and all its
+ * elements.
+ */
+char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
+{
+ const struct parse_data *field;
+ char *key, *value;
+ size_t i;
+ char **props;
+ int fields_num;
+
+ get_keys = get_keys && ssid->export_keys;
+
+ props = os_zalloc(sizeof(char *) * ((2 * NUM_SSID_FIELDS) + 1));
+ if (!props)
+ return NULL;
+
+ fields_num = 0;
+ for (i = 0; i < NUM_SSID_FIELDS; i++) {
+ field = &ssid_fields[i];
+ if (field->key_data && !get_keys)
+ continue;
+ value = field->writer(field, ssid);
+ if (value == NULL)
+ continue;
+ if (os_strlen(value) == 0) {
+ os_free(value);
+ continue;
+ }
+
+ key = os_strdup(field->name);
+ if (key == NULL) {
+ os_free(value);
+ goto err;
+ }
+
+ props[fields_num * 2] = key;
+ props[fields_num * 2 + 1] = value;
+
+ fields_num++;
+ }
+
+ return props;
+
+err:
+ value = *props;
+ while (value)
+ os_free(value++);
+ os_free(props);
+ return NULL;
+}
+
+
+#ifndef NO_CONFIG_WRITE
+/**
+ * wpa_config_get - Get a variable in network configuration
+ * @ssid: Pointer to network configuration data
+ * @var: Variable name, e.g., "ssid"
+ * Returns: Value of the variable or %NULL on failure
+ *
+ * This function can be used to get network configuration variables. The
+ * returned value is a copy of the configuration variable in text format, i.e,.
+ * the same format that the text-based configuration file and wpa_config_set()
+ * are using for the value. The caller is responsible for freeing the returned
+ * value.
+ */
+char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
+{
+ size_t i;
+
+ if (ssid == NULL || var == NULL)
+ return NULL;
+
+ for (i = 0; i < NUM_SSID_FIELDS; i++) {
+ const struct parse_data *field = &ssid_fields[i];
+ if (os_strcmp(var, field->name) == 0)
+ return field->writer(field, ssid);
+ }
+
+ return NULL;
+}
+
+
+/**
+ * wpa_config_get_no_key - Get a variable in network configuration (no keys)
+ * @ssid: Pointer to network configuration data
+ * @var: Variable name, e.g., "ssid"
+ * Returns: Value of the variable or %NULL on failure
+ *
+ * This function can be used to get network configuration variable like
+ * wpa_config_get(). The only difference is that this functions does not expose
+ * key/password material from the configuration. In case a key/password field
+ * is requested, the returned value is an empty string or %NULL if the variable
+ * is not set or "*" if the variable is set (regardless of its value). The
+ * returned value is a copy of the configuration variable in text format, i.e,.
+ * the same format that the text-based configuration file and wpa_config_set()
+ * are using for the value. The caller is responsible for freeing the returned
+ * value.
+ */
+char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
+{
+ size_t i;
+
+ if (ssid == NULL || var == NULL)
+ return NULL;
+
+ for (i = 0; i < NUM_SSID_FIELDS; i++) {
+ const struct parse_data *field = &ssid_fields[i];
+ if (os_strcmp(var, field->name) == 0) {
+ char *res = field->writer(field, ssid);
+ if (field->key_data) {
+ if (res && res[0]) {
+ wpa_printf(MSG_DEBUG, "Do not allow "
+ "key_data field to be "
+ "exposed");
+ os_free(res);
+ return os_strdup("*");
+ }
+
+ os_free(res);
+ return NULL;
+ }
+ return res;
+ }
+ }
+
+ return NULL;
+}
+#endif /* NO_CONFIG_WRITE */
+
+
+/**
+ * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
+ * @ssid: Pointer to network configuration data
+ *
+ * This function must be called to update WPA PSK when either SSID or the
+ * passphrase has changed for the network configuration.
+ */
+void wpa_config_update_psk(struct wpa_ssid *ssid)
+{
+#ifndef CONFIG_NO_PBKDF2
+ pbkdf2_sha1(ssid->passphrase,
+ (char *) ssid->ssid, ssid->ssid_len, 4096,
+ ssid->psk, PMK_LEN);
+ wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
+ ssid->psk, PMK_LEN);
+ ssid->psk_set = 1;
+#endif /* CONFIG_NO_PBKDF2 */
+}
+
+
+#ifndef CONFIG_NO_CONFIG_BLOBS
+/**
+ * wpa_config_get_blob - Get a named configuration blob
+ * @config: Configuration data from wpa_config_read()
+ * @name: Name of the blob
+ * Returns: Pointer to blob data or %NULL if not found
+ */
+const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
+ const char *name)
+{
+ struct wpa_config_blob *blob = config->blobs;
+
+ while (blob) {
+ if (os_strcmp(blob->name, name) == 0)
+ return blob;
+ blob = blob->next;
+ }
+ return NULL;
+}
+
+
+/**
+ * wpa_config_set_blob - Set or add a named configuration blob
+ * @config: Configuration data from wpa_config_read()
+ * @blob: New value for the blob
+ *
+ * Adds a new configuration blob or replaces the current value of an existing
+ * blob.
+ */
+void wpa_config_set_blob(struct wpa_config *config,
+ struct wpa_config_blob *blob)
+{
+ wpa_config_remove_blob(config, blob->name);
+ blob->next = config->blobs;
+ config->blobs = blob;
+}
+
+
+/**
+ * wpa_config_free_blob - Free blob data
+ * @blob: Pointer to blob to be freed
+ */
+void wpa_config_free_blob(struct wpa_config_blob *blob)
+{
+ if (blob) {
+ os_free(blob->name);
+ os_free(blob->data);
+ os_free(blob);
+ }
+}
+
+
+/**
+ * wpa_config_remove_blob - Remove a named configuration blob
+ * @config: Configuration data from wpa_config_read()
+ * @name: Name of the blob to remove
+ * Returns: 0 if blob was removed or -1 if blob was not found
+ */
+int wpa_config_remove_blob(struct wpa_config *config, const char *name)
+{
+ struct wpa_config_blob *pos = config->blobs, *prev = NULL;
+
+ while (pos) {
+ if (os_strcmp(pos->name, name) == 0) {
+ if (prev)
+ prev->next = pos->next;
+ else
+ config->blobs = pos->next;
+ wpa_config_free_blob(pos);
+ return 0;
+ }
+ prev = pos;
+ pos = pos->next;
+ }
+
+ return -1;
+}
+#endif /* CONFIG_NO_CONFIG_BLOBS */
+
+
+/**
+ * wpa_config_alloc_empty - Allocate an empty configuration
+ * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
+ * socket
+ * @driver_param: Driver parameters
+ * Returns: Pointer to allocated configuration data or %NULL on failure
+ */
+struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
+ const char *driver_param)
+{
+ struct wpa_config *config;
+
+ config = os_zalloc(sizeof(*config));
+ if (config == NULL)
+ return NULL;
+ config->eapol_version = DEFAULT_EAPOL_VERSION;
+ config->ap_scan = DEFAULT_AP_SCAN;
+ config->fast_reauth = DEFAULT_FAST_REAUTH;
+ config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
+ config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
+ config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
+ config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
+ config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
+ config->max_num_sta = DEFAULT_MAX_NUM_STA;
+
+ if (ctrl_interface)
+ config->ctrl_interface = os_strdup(ctrl_interface);
+ if (driver_param)
+ config->driver_param = os_strdup(driver_param);
+
+ return config;
+}
+
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+/**
+ * wpa_config_debug_dump_networks - Debug dump of configured networks
+ * @config: Configuration data from wpa_config_read()
+ */
+void wpa_config_debug_dump_networks(struct wpa_config *config)
+{
+ int prio;
+ struct wpa_ssid *ssid;
+
+ for (prio = 0; prio < config->num_prio; prio++) {
+ ssid = config->pssid[prio];
+ wpa_printf(MSG_DEBUG, "Priority group %d",
+ ssid->priority);
+ while (ssid) {
+ wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
+ ssid->id,
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
+ ssid = ssid->pnext;
+ }
+ }
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+struct global_parse_data {
+ char *name;
+ int (*parser)(const struct global_parse_data *data,
+ struct wpa_config *config, int line, const char *value);
+ void *param1, *param2, *param3;
+ unsigned int changed_flag;
+};
+
+
+static int wpa_global_config_parse_int(const struct global_parse_data *data,
+ struct wpa_config *config, int line,
+ const char *pos)
+{
+ int *dst;
+ dst = (int *) (((u8 *) config) + (long) data->param1);
+ *dst = atoi(pos);
+ wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
+
+ if (data->param2 && *dst < (long) data->param2) {
+ wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
+ "min_value=%ld)", line, data->name, *dst,
+ (long) data->param2);
+ *dst = (long) data->param2;
+ return -1;
+ }
+
+ if (data->param3 && *dst > (long) data->param3) {
+ wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
+ "max_value=%ld)", line, data->name, *dst,
+ (long) data->param3);
+ *dst = (long) data->param3;
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int wpa_global_config_parse_str(const struct global_parse_data *data,
+ struct wpa_config *config, int line,
+ const char *pos)
+{
+ size_t len;
+ char **dst, *tmp;
+
+ len = os_strlen(pos);
+ if (data->param2 && len < (size_t) data->param2) {
+ wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
+ "min_len=%ld)", line, data->name,
+ (unsigned long) len, (long) data->param2);
+ return -1;
+ }
+
+ if (data->param3 && len > (size_t) data->param3) {
+ wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
+ "max_len=%ld)", line, data->name,
+ (unsigned long) len, (long) data->param3);
+ return -1;
+ }
+
+ tmp = os_strdup(pos);
+ if (tmp == NULL)
+ return -1;
+
+ dst = (char **) (((u8 *) config) + (long) data->param1);
+ os_free(*dst);
+ *dst = tmp;
+ wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
+
+ return 0;
+}
+
+
+static int wpa_config_process_country(const struct global_parse_data *data,
+ struct wpa_config *config, int line,
+ const char *pos)
+{
+ if (!pos[0] || !pos[1]) {
+ wpa_printf(MSG_DEBUG, "Invalid country set");
+ return -1;
+ }
+ config->country[0] = pos[0];
+ config->country[1] = pos[1];
+ wpa_printf(MSG_DEBUG, "country='%c%c'",
+ config->country[0], config->country[1]);
+ return 0;
+}
+
+
+static int wpa_config_process_load_dynamic_eap(
+ const struct global_parse_data *data, struct wpa_config *config,
+ int line, const char *so)
+{
+ int ret;
+ wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
+ ret = eap_peer_method_load(so);
+ if (ret == -2) {
+ wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
+ "reloading.");
+ } else if (ret) {
+ wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
+ "method '%s'.", line, so);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+#ifdef CONFIG_WPS
+
+static int wpa_config_process_uuid(const struct global_parse_data *data,
+ struct wpa_config *config, int line,
+ const char *pos)
+{
+ char buf[40];
+ if (uuid_str2bin(pos, config->uuid)) {
+ wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
+ return -1;
+ }
+ uuid_bin2str(config->uuid, buf, sizeof(buf));
+ wpa_printf(MSG_DEBUG, "uuid=%s", buf);
+ return 0;
+}
+
+
+static int wpa_config_process_device_type(
+ const struct global_parse_data *data,
+ struct wpa_config *config, int line, const char *pos)
+{
+ return wps_dev_type_str2bin(pos, config->device_type);
+}
+
+
+static int wpa_config_process_os_version(const struct global_parse_data *data,
+ struct wpa_config *config, int line,
+ const char *pos)
+{
+ if (hexstr2bin(pos, config->os_version, 4)) {
+ wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
+ return -1;
+ }
+ wpa_printf(MSG_DEBUG, "os_version=%08x",
+ WPA_GET_BE32(config->os_version));
+ return 0;
+}
+
+#endif /* CONFIG_WPS */
+
+#ifdef CONFIG_P2P
+static int wpa_config_process_sec_device_type(
+ const struct global_parse_data *data,
+ struct wpa_config *config, int line, const char *pos)
+{
+ int idx;
+
+ if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
+ wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
+ "items", line);
+ return -1;
+ }
+
+ idx = config->num_sec_device_types;
+
+ if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
+ return -1;
+
+ config->num_sec_device_types++;
+ return 0;
+}
+#endif /* CONFIG_P2P */
+
+
+#ifdef OFFSET
+#undef OFFSET
+#endif /* OFFSET */
+/* OFFSET: Get offset of a variable within the wpa_config structure */
+#define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
+
+#define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
+#define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
+#define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
+#define INT(f) _INT(f), NULL, NULL
+#define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
+#define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
+#define STR(f) _STR(f), NULL, NULL
+#define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
+
+static const struct global_parse_data global_fields[] = {
+#ifdef CONFIG_CTRL_IFACE
+ { STR(ctrl_interface), 0 },
+ { STR(ctrl_interface_group), 0 } /* deprecated */,
+#endif /* CONFIG_CTRL_IFACE */
+ { INT_RANGE(eapol_version, 1, 2), 0 },
+ { INT(ap_scan), 0 },
+ { INT(fast_reauth), 0 },
+ { STR(opensc_engine_path), 0 },
+ { STR(pkcs11_engine_path), 0 },
+ { STR(pkcs11_module_path), 0 },
+ { STR(driver_param), 0 },
+ { INT(dot11RSNAConfigPMKLifetime), 0 },
+ { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
+ { INT(dot11RSNAConfigSATimeout), 0 },
+#ifndef CONFIG_NO_CONFIG_WRITE
+ { INT(update_config), 0 },
+#endif /* CONFIG_NO_CONFIG_WRITE */
+ { FUNC_NO_VAR(load_dynamic_eap), 0 },
+#ifdef CONFIG_WPS
+ { FUNC(uuid), CFG_CHANGED_UUID },
+ { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
+ { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
+ { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
+ { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
+ { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
+ { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
+ { FUNC(os_version), CFG_CHANGED_OS_VERSION },
+ { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
+ { INT_RANGE(wps_cred_processing, 0, 2), 0 },
+#endif /* CONFIG_WPS */
+#ifdef CONFIG_P2P
+ { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
+ { INT(p2p_listen_reg_class), 0 },
+ { INT(p2p_listen_channel), 0 },
+ { INT(p2p_oper_reg_class), 0 },
+ { INT(p2p_oper_channel), 0 },
+ { INT_RANGE(p2p_go_intent, 0, 15), 0 },
+ { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
+ { INT_RANGE(persistent_reconnect, 0, 1), 0 },
+ { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
+ { INT(p2p_group_idle), 0 },
+#endif /* CONFIG_P2P */
+ { FUNC(country), CFG_CHANGED_COUNTRY },
+ { INT(bss_max_count), 0 },
+ { INT(bss_expiration_age), 0 },
+ { INT(bss_expiration_scan_count), 0 },
+ { INT_RANGE(filter_ssids, 0, 1), 0 },
+ { INT(max_num_sta), 0 },
+ { INT_RANGE(disassoc_low_ack, 0, 1), 0 }
+};
+
+#undef FUNC
+#undef _INT
+#undef INT
+#undef INT_RANGE
+#undef _STR
+#undef STR
+#undef STR_RANGE
+#define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
+
+
+int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
+{
+ size_t i;
+ int ret = 0;
+
+ for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
+ const struct global_parse_data *field = &global_fields[i];
+ size_t flen = os_strlen(field->name);
+ if (os_strncmp(pos, field->name, flen) != 0 ||
+ pos[flen] != '=')
+ continue;
+
+ if (field->parser(field, config, line, pos + flen + 1)) {
+ wpa_printf(MSG_ERROR, "Line %d: failed to "
+ "parse '%s'.", line, pos);
+ ret = -1;
+ }
+ config->changed_parameters |= field->changed_flag;
+ break;
+ }
+ if (i == NUM_GLOBAL_FIELDS) {
+ if (line < 0)
+ return -1;
+ wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",
+ line, pos);
+ ret = -1;
+ }
+
+ return ret;
+}