/*
* WPA Supplicant / Configuration backend: text file
- * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, 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.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*
* This file implements a configuration backend for text files. All the
* configuration information is stored in a text file that uses a format
#include "config.h"
#include "base64.h"
#include "uuid.h"
+#include "p2p/p2p.h"
+
+
+static int newline_terminated(const char *buf, size_t buflen)
+{
+ size_t len = os_strlen(buf);
+ if (len == 0)
+ return 0;
+ if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
+ buf[len - 1] != '\n')
+ return 0;
+ return 1;
+}
+
+
+static void skip_line_end(FILE *stream)
+{
+ char buf[100];
+ while (fgets(buf, sizeof(buf), stream)) {
+ buf[sizeof(buf) - 1] = '\0';
+ if (newline_terminated(buf, sizeof(buf)))
+ return;
+ }
+}
/**
while (fgets(s, size, stream)) {
(*line)++;
s[size - 1] = '\0';
+ if (!newline_terminated(s, size)) {
+ /*
+ * The line was truncated - skip rest of it to avoid
+ * confusing error messages.
+ */
+ wpa_printf(MSG_INFO, "Long line in configuration file "
+ "truncated");
+ skip_line_end(stream);
+ }
pos = s;
/* Skip white space from the beginning of line. */
wpa_config_update_psk(ssid);
}
- if ((ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
- WPA_KEY_MGMT_PSK_SHA256)) &&
- !ssid->psk_set) {
- wpa_printf(MSG_ERROR, "Line %d: WPA-PSK accepted for key "
- "management, but no PSK configured.", line);
- errors++;
- }
-
if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
!(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
!(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
{
struct wpa_ssid *ssid;
int errors = 0, end = 0;
- char buf[256], *pos, *pos2;
+ char buf[2000], *pos, *pos2;
wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
*line);
}
+static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
+{
+ struct wpa_cred *cred;
+ int errors = 0, end = 0;
+ char buf[256], *pos, *pos2;
+
+ wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
+ cred = os_zalloc(sizeof(*cred));
+ if (cred == NULL)
+ return NULL;
+ cred->id = id;
+
+ while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
+ if (os_strcmp(pos, "}") == 0) {
+ end = 1;
+ break;
+ }
+
+ pos2 = os_strchr(pos, '=');
+ if (pos2 == NULL) {
+ wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
+ "'%s'.", *line, pos);
+ errors++;
+ continue;
+ }
+
+ *pos2++ = '\0';
+ if (*pos2 == '"') {
+ if (os_strchr(pos2 + 1, '"') == NULL) {
+ wpa_printf(MSG_ERROR, "Line %d: invalid "
+ "quotation '%s'.", *line, pos2);
+ errors++;
+ continue;
+ }
+ }
+
+ if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
+ errors++;
+ }
+
+ if (!end) {
+ wpa_printf(MSG_ERROR, "Line %d: cred block was not "
+ "terminated properly.", *line);
+ errors++;
+ }
+
+ if (errors) {
+ wpa_config_free_cred(cred);
+ cred = NULL;
+ }
+
+ return cred;
+}
+
+
#ifndef CONFIG_NO_CONFIG_BLOBS
static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
const char *name)
struct wpa_config * wpa_config_read(const char *name)
{
FILE *f;
- char buf[256], *pos;
+ char buf[512], *pos;
int errors = 0, line = 0;
struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
+ struct wpa_cred *cred, *cred_tail = NULL, *cred_head = NULL;
struct wpa_config *config;
int id = 0;
+ int cred_id = 0;
config = wpa_config_alloc_empty(NULL, NULL);
- if (config == NULL)
+ if (config == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to allocate config file "
+ "structure");
return NULL;
+ }
+
wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
f = fopen(name, "r");
if (f == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
+ "error: %s", name, strerror(errno));
os_free(config);
return NULL;
}
errors++;
continue;
}
+ } else if (os_strcmp(pos, "cred={") == 0) {
+ cred = wpa_config_read_cred(f, &line, cred_id++);
+ if (cred == NULL) {
+ wpa_printf(MSG_ERROR, "Line %d: failed to "
+ "parse cred block.", line);
+ errors++;
+ continue;
+ }
+ if (cred_head == NULL) {
+ cred_head = cred_tail = cred;
+ } else {
+ cred_tail->next = cred;
+ cred_tail = cred;
+ }
#ifndef CONFIG_NO_CONFIG_BLOBS
} else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
if (wpa_config_process_blob(config, f, &line, pos + 12)
< 0) {
+ wpa_printf(MSG_ERROR, "Line %d: failed to "
+ "process blob.", line);
errors++;
continue;
}
config->ssid = head;
wpa_config_debug_dump_networks(config);
+ config->cred = cred_head;
#ifndef WPA_IGNORE_CONFIG_ERRORS
if (errors) {
}
+#ifdef CONFIG_P2P
+static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
+{
+ char *value = wpa_config_get(ssid, "p2p_client_list");
+ if (value == NULL)
+ return;
+ fprintf(f, "\tp2p_client_list=%s\n", value);
+ os_free(value);
+}
+#endif /* CONFIG_P2P */
+
+
static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
{
int i;
write_psk(f, ssid);
write_proto(f, ssid);
write_key_mgmt(f, ssid);
+ INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
write_pairwise(f, ssid);
write_group(f, ssid);
write_auth_alg(f, ssid);
+ STR(bgscan);
+ STR(autoscan);
#ifdef IEEE8021X_EAPOL
write_eap(f, ssid);
STR(identity);
INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
#endif /* IEEE8021X_EAPOL */
INT(mode);
- INT(proactive_key_caching);
+ write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
INT(disabled);
INT(peerkey);
#ifdef CONFIG_IEEE80211W
INT(ieee80211w);
#endif /* CONFIG_IEEE80211W */
STR(id_str);
+#ifdef CONFIG_P2P
+ write_p2p_client_list(f, ssid);
+#endif /* CONFIG_P2P */
#undef STR
#undef INT
}
+static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
+{
+ if (cred->priority)
+ fprintf(f, "\tpriority=%d\n", cred->priority);
+ if (cred->pcsc)
+ fprintf(f, "\tpcsc=%d\n", cred->pcsc);
+ if (cred->realm)
+ fprintf(f, "\trealm=\"%s\"\n", cred->realm);
+ if (cred->username)
+ fprintf(f, "\tusername=\"%s\"\n", cred->username);
+ if (cred->password)
+ fprintf(f, "\tpassword=\"%s\"\n", cred->password);
+ if (cred->ca_cert)
+ fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
+ if (cred->imsi)
+ fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
+ if (cred->milenage)
+ fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
+ if (cred->domain)
+ fprintf(f, "\tdomain=\"%s\"\n", cred->domain);
+}
+
+
#ifndef CONFIG_NO_CONFIG_BLOBS
static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
{
#endif /* CONFIG_NO_CONFIG_BLOBS */
+static void write_global_bin(FILE *f, const char *field,
+ const struct wpabuf *val)
+{
+ size_t i;
+ const u8 *pos;
+
+ if (val == NULL)
+ return;
+
+ fprintf(f, "%s=", field);
+ pos = wpabuf_head(val);
+ for (i = 0; i < wpabuf_len(val); i++)
+ fprintf(f, "%02X", *pos++);
+ fprintf(f, "\n");
+}
+
+
static void wpa_config_write_global(FILE *f, struct wpa_config *config)
{
#ifdef CONFIG_CTRL_IFACE
fprintf(f, "eapol_version=%d\n", config->eapol_version);
if (config->ap_scan != DEFAULT_AP_SCAN)
fprintf(f, "ap_scan=%d\n", config->ap_scan);
+ if (config->disable_scan_offload)
+ fprintf(f, "disable_scan_offload=%d\n",
+ config->disable_scan_offload);
if (config->fast_reauth != DEFAULT_FAST_REAUTH)
fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
if (config->opensc_engine_path)
if (config->pkcs11_module_path)
fprintf(f, "pkcs11_module_path=%s\n",
config->pkcs11_module_path);
+ if (config->pcsc_reader)
+ fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
+ if (config->pcsc_pin)
+ fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
if (config->driver_param)
fprintf(f, "driver_param=%s\n", config->driver_param);
if (config->dot11RSNAConfigPMKLifetime)
char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
buf = wps_dev_type_bin2str(config->device_type,
_buf, sizeof(_buf));
- fprintf(f, "device_type=%s\n", buf);
+ if (os_strcmp(buf, "0-00000000-0") != 0)
+ fprintf(f, "device_type=%s\n", buf);
}
if (WPA_GET_BE32(config->os_version))
fprintf(f, "os_version=%08x\n",
if (config->wps_cred_processing)
fprintf(f, "wps_cred_processing=%d\n",
config->wps_cred_processing);
+ if (config->wps_vendor_ext_m1) {
+ int i, len = wpabuf_len(config->wps_vendor_ext_m1);
+ const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
+ if (len > 0) {
+ fprintf(f, "wps_vendor_ext_m1=");
+ for (i = 0; i < len; i++)
+ fprintf(f, "%02x", *p++);
+ fprintf(f, "\n");
+ }
+ }
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if (config->p2p_listen_reg_class)
fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
if (config->p2p_group_idle)
fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle);
+ if (config->p2p_pref_chan) {
+ unsigned int i;
+ fprintf(f, "p2p_pref_chan=");
+ for (i = 0; i < config->num_p2p_pref_chan; i++) {
+ fprintf(f, "%s%u:%u", i > 0 ? "," : "",
+ config->p2p_pref_chan[i].op_class,
+ config->p2p_pref_chan[i].chan);
+ }
+ fprintf(f, "\n");
+ }
+ if (config->p2p_go_ht40)
+ fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40);
+ if (config->p2p_disabled)
+ fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
+ if (config->p2p_no_group_iface)
+ fprintf(f, "p2p_no_group_iface=%u\n",
+ config->p2p_no_group_iface);
#endif /* CONFIG_P2P */
if (config->country[0] && config->country[1]) {
fprintf(f, "country=%c%c\n",
fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
if (config->disassoc_low_ack)
fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
+#ifdef CONFIG_HS20
+ if (config->hs20)
+ fprintf(f, "hs20=1\n");
+#endif /* CONFIG_HS20 */
#ifdef CONFIG_INTERWORKING
- if (config->home_realm)
- fprintf(f, "home_realm=%s\n", config->home_realm);
- if (config->home_username)
- fprintf(f, "home_username=%s\n", config->home_username);
- if (config->home_password)
- fprintf(f, "home_password=%s\n", config->home_password);
- if (config->home_ca_cert)
- fprintf(f, "home_ca_cert=%s\n", config->home_ca_cert);
- if (config->home_imsi)
- fprintf(f, "home_imsi=%s\n", config->home_imsi);
- if (config->home_milenage)
- fprintf(f, "home_milenage=%s\n", config->home_milenage);
if (config->interworking)
fprintf(f, "interworking=%u\n", config->interworking);
if (!is_zero_ether_addr(config->hessid))
fprintf(f, "access_network_type=%d\n",
config->access_network_type);
#endif /* CONFIG_INTERWORKING */
+ if (config->pbc_in_m1)
+ fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
+ if (config->wps_nfc_dev_pw_id)
+ fprintf(f, "wps_nfc_dev_pw_id=%d\n",
+ config->wps_nfc_dev_pw_id);
+ write_global_bin(f, "wps_nfc_dh_pubkey", config->wps_nfc_dh_pubkey);
+ write_global_bin(f, "wps_nfc_dh_privkey", config->wps_nfc_dh_privkey);
+ write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
+
+ if (config->ext_password_backend)
+ fprintf(f, "ext_password_backend=%s\n",
+ config->ext_password_backend);
+ if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
+ fprintf(f, "p2p_go_max_inactivity=%d\n",
+ config->p2p_go_max_inactivity);
+ if (config->auto_interworking)
+ fprintf(f, "auto_interworking=%d\n",
+ config->auto_interworking);
+ if (config->okc)
+ fprintf(f, "okc=%d\n", config->okc);
}
#endif /* CONFIG_NO_CONFIG_WRITE */
#ifndef CONFIG_NO_CONFIG_WRITE
FILE *f;
struct wpa_ssid *ssid;
+ struct wpa_cred *cred;
#ifndef CONFIG_NO_CONFIG_BLOBS
struct wpa_config_blob *blob;
#endif /* CONFIG_NO_CONFIG_BLOBS */
wpa_config_write_global(f, config);
+ for (cred = config->cred; cred; cred = cred->next) {
+ fprintf(f, "\ncred={\n");
+ wpa_config_write_cred(f, cred);
+ fprintf(f, "}\n");
+ }
+
for (ssid = config->ssid; ssid; ssid = ssid->next) {
if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
continue; /* do not save temporary networks */
+ if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
+ !ssid->passphrase)
+ continue; /* do not save invalid network */
fprintf(f, "\nnetwork={\n");
wpa_config_write_network(f, ssid);
fprintf(f, "}\n");
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