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hostap/hostapd/config_file.c
Jouni Malinen f61039c75f WPS 2.0: Disable WPS if ignore_broadcast_ssid or WEP is used 
These combinations are disallowed in WPS 2.0 (and do not work well
(or at all) with many deployed WPS 1.0 devices either).
2010-09-24 15:17:03 -07:00

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/*
* hostapd / Configuration file parser
* Copyright (c) 2003-2009, 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 "utils/includes.h"
#ifndef CONFIG_NATIVE_WINDOWS
#include <grp.h>
#endif /* CONFIG_NATIVE_WINDOWS */
#include "utils/common.h"
#include "utils/uuid.h"
#include "common/ieee802_11_defs.h"
#include "drivers/driver.h"
#include "eap_server/eap.h"
#include "radius/radius_client.h"
#include "ap/wpa_auth.h"
#include "ap/ap_config.h"
#include "config_file.h"
extern struct wpa_driver_ops *wpa_drivers[];
#ifndef CONFIG_NO_VLAN
static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
const char *fname)
{
FILE *f;
char buf[128], *pos, *pos2;
int line = 0, vlan_id;
struct hostapd_vlan *vlan;
f = fopen(fname, "r");
if (!f) {
wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
return -1;
}
while (fgets(buf, sizeof(buf), f)) {
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
if (buf[0] == '*') {
vlan_id = VLAN_ID_WILDCARD;
pos = buf + 1;
} else {
vlan_id = strtol(buf, &pos, 10);
if (buf == pos || vlan_id < 1 ||
vlan_id > MAX_VLAN_ID) {
wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
"line %d in '%s'", line, fname);
fclose(f);
return -1;
}
}
while (*pos == ' ' || *pos == '\t')
pos++;
pos2 = pos;
while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
pos2++;
*pos2 = '\0';
if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
"in '%s'", line, fname);
fclose(f);
return -1;
}
vlan = os_malloc(sizeof(*vlan));
if (vlan == NULL) {
wpa_printf(MSG_ERROR, "Out of memory while reading "
"VLAN interfaces from '%s'", fname);
fclose(f);
return -1;
}
os_memset(vlan, 0, sizeof(*vlan));
vlan->vlan_id = vlan_id;
os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
if (bss->vlan_tail)
bss->vlan_tail->next = vlan;
else
bss->vlan = vlan;
bss->vlan_tail = vlan;
}
fclose(f);
return 0;
}
#endif /* CONFIG_NO_VLAN */
static int hostapd_acl_comp(const void *a, const void *b)
{
const struct mac_acl_entry *aa = a;
const struct mac_acl_entry *bb = b;
return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
}
static int hostapd_config_read_maclist(const char *fname,
struct mac_acl_entry **acl, int *num)
{
FILE *f;
char buf[128], *pos;
int line = 0;
u8 addr[ETH_ALEN];
struct mac_acl_entry *newacl;
int vlan_id;
if (!fname)
return 0;
f = fopen(fname, "r");
if (!f) {
wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
return -1;
}
while (fgets(buf, sizeof(buf), f)) {
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
if (hwaddr_aton(buf, addr)) {
wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
"line %d in '%s'", buf, line, fname);
fclose(f);
return -1;
}
vlan_id = 0;
pos = buf;
while (*pos != '\0' && *pos != ' ' && *pos != '\t')
pos++;
while (*pos == ' ' || *pos == '\t')
pos++;
if (*pos != '\0')
vlan_id = atoi(pos);
newacl = os_realloc(*acl, (*num + 1) * sizeof(**acl));
if (newacl == NULL) {
wpa_printf(MSG_ERROR, "MAC list reallocation failed");
fclose(f);
return -1;
}
*acl = newacl;
os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
(*acl)[*num].vlan_id = vlan_id;
(*num)++;
}
fclose(f);
qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
return 0;
}
#ifdef EAP_SERVER
static int hostapd_config_read_eap_user(const char *fname,
struct hostapd_bss_config *conf)
{
FILE *f;
char buf[512], *pos, *start, *pos2;
int line = 0, ret = 0, num_methods;
struct hostapd_eap_user *user, *tail = NULL;
if (!fname)
return 0;
f = fopen(fname, "r");
if (!f) {
wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
return -1;
}
/* Lines: "user" METHOD,METHOD2 "password" (password optional) */
while (fgets(buf, sizeof(buf), f)) {
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
user = NULL;
if (buf[0] != '"' && buf[0] != '*') {
wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
"start) on line %d in '%s'", line, fname);
goto failed;
}
user = os_zalloc(sizeof(*user));
if (user == NULL) {
wpa_printf(MSG_ERROR, "EAP user allocation failed");
goto failed;
}
user->force_version = -1;
if (buf[0] == '*') {
pos = buf;
} else {
pos = buf + 1;
start = pos;
while (*pos != '"' && *pos != '\0')
pos++;
if (*pos == '\0') {
wpa_printf(MSG_ERROR, "Invalid EAP identity "
"(no \" in end) on line %d in '%s'",
line, fname);
goto failed;
}
user->identity = os_malloc(pos - start);
if (user->identity == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate "
"memory for EAP identity");
goto failed;
}
os_memcpy(user->identity, start, pos - start);
user->identity_len = pos - start;
if (pos[0] == '"' && pos[1] == '*') {
user->wildcard_prefix = 1;
pos++;
}
}
pos++;
while (*pos == ' ' || *pos == '\t')
pos++;
if (*pos == '\0') {
wpa_printf(MSG_ERROR, "No EAP method on line %d in "
"'%s'", line, fname);
goto failed;
}
start = pos;
while (*pos != ' ' && *pos != '\t' && *pos != '\0')
pos++;
if (*pos == '\0') {
pos = NULL;
} else {
*pos = '\0';
pos++;
}
num_methods = 0;
while (*start) {
char *pos3 = os_strchr(start, ',');
if (pos3) {
*pos3++ = '\0';
}
user->methods[num_methods].method =
eap_server_get_type(
start,
&user->methods[num_methods].vendor);
if (user->methods[num_methods].vendor ==
EAP_VENDOR_IETF &&
user->methods[num_methods].method == EAP_TYPE_NONE)
{
if (os_strcmp(start, "TTLS-PAP") == 0) {
user->ttls_auth |= EAP_TTLS_AUTH_PAP;
goto skip_eap;
}
if (os_strcmp(start, "TTLS-CHAP") == 0) {
user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
goto skip_eap;
}
if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
user->ttls_auth |=
EAP_TTLS_AUTH_MSCHAP;
goto skip_eap;
}
if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
user->ttls_auth |=
EAP_TTLS_AUTH_MSCHAPV2;
goto skip_eap;
}
wpa_printf(MSG_ERROR, "Unsupported EAP type "
"'%s' on line %d in '%s'",
start, line, fname);
goto failed;
}
num_methods++;
if (num_methods >= EAP_USER_MAX_METHODS)
break;
skip_eap:
if (pos3 == NULL)
break;
start = pos3;
}
if (num_methods == 0 && user->ttls_auth == 0) {
wpa_printf(MSG_ERROR, "No EAP types configured on "
"line %d in '%s'", line, fname);
goto failed;
}
if (pos == NULL)
goto done;
while (*pos == ' ' || *pos == '\t')
pos++;
if (*pos == '\0')
goto done;
if (os_strncmp(pos, "[ver=0]", 7) == 0) {
user->force_version = 0;
goto done;
}
if (os_strncmp(pos, "[ver=1]", 7) == 0) {
user->force_version = 1;
goto done;
}
if (os_strncmp(pos, "[2]", 3) == 0) {
user->phase2 = 1;
goto done;
}
if (*pos == '"') {
pos++;
start = pos;
while (*pos != '"' && *pos != '\0')
pos++;
if (*pos == '\0') {
wpa_printf(MSG_ERROR, "Invalid EAP password "
"(no \" in end) on line %d in '%s'",
line, fname);
goto failed;
}
user->password = os_malloc(pos - start);
if (user->password == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate "
"memory for EAP password");
goto failed;
}
os_memcpy(user->password, start, pos - start);
user->password_len = pos - start;
pos++;
} else if (os_strncmp(pos, "hash:", 5) == 0) {
pos += 5;
pos2 = pos;
while (*pos2 != '\0' && *pos2 != ' ' &&
*pos2 != '\t' && *pos2 != '#')
pos2++;
if (pos2 - pos != 32) {
wpa_printf(MSG_ERROR, "Invalid password hash "
"on line %d in '%s'", line, fname);
goto failed;
}
user->password = os_malloc(16);
if (user->password == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate "
"memory for EAP password hash");
goto failed;
}
if (hexstr2bin(pos, user->password, 16) < 0) {
wpa_printf(MSG_ERROR, "Invalid hash password "
"on line %d in '%s'", line, fname);
goto failed;
}
user->password_len = 16;
user->password_hash = 1;
pos = pos2;
} else {
pos2 = pos;
while (*pos2 != '\0' && *pos2 != ' ' &&
*pos2 != '\t' && *pos2 != '#')
pos2++;
if ((pos2 - pos) & 1) {
wpa_printf(MSG_ERROR, "Invalid hex password "
"on line %d in '%s'", line, fname);
goto failed;
}
user->password = os_malloc((pos2 - pos) / 2);
if (user->password == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate "
"memory for EAP password");
goto failed;
}
if (hexstr2bin(pos, user->password,
(pos2 - pos) / 2) < 0) {
wpa_printf(MSG_ERROR, "Invalid hex password "
"on line %d in '%s'", line, fname);
goto failed;
}
user->password_len = (pos2 - pos) / 2;
pos = pos2;
}
while (*pos == ' ' || *pos == '\t')
pos++;
if (os_strncmp(pos, "[2]", 3) == 0) {
user->phase2 = 1;
}
done:
if (tail == NULL) {
tail = conf->eap_user = user;
} else {
tail->next = user;
tail = user;
}
continue;
failed:
if (user) {
os_free(user->password);
os_free(user->identity);
os_free(user);
}
ret = -1;
break;
}
fclose(f);
return ret;
}
#endif /* EAP_SERVER */
#ifndef CONFIG_NO_RADIUS
static int
hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
int *num_server, const char *val, int def_port,
struct hostapd_radius_server **curr_serv)
{
struct hostapd_radius_server *nserv;
int ret;
static int server_index = 1;
nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
if (nserv == NULL)
return -1;
*server = nserv;
nserv = &nserv[*num_server];
(*num_server)++;
(*curr_serv) = nserv;
os_memset(nserv, 0, sizeof(*nserv));
nserv->port = def_port;
ret = hostapd_parse_ip_addr(val, &nserv->addr);
nserv->index = server_index++;
return ret;
}
#endif /* CONFIG_NO_RADIUS */
static int hostapd_config_parse_key_mgmt(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, "WPA-PSK") == 0)
val |= WPA_KEY_MGMT_PSK;
else if (os_strcmp(start, "WPA-EAP") == 0)
val |= WPA_KEY_MGMT_IEEE8021X;
#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 */
else {
wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%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 key_mgmt values "
"configured.", line);
return -1;
}
return val;
}
static int hostapd_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;
}
static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
char *val)
{
size_t len = os_strlen(val);
if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
return -1;
if (val[0] == '"') {
if (len < 2 || val[len - 1] != '"')
return -1;
len -= 2;
wep->key[keyidx] = os_malloc(len);
if (wep->key[keyidx] == NULL)
return -1;
os_memcpy(wep->key[keyidx], val + 1, len);
wep->len[keyidx] = len;
} else {
if (len & 1)
return -1;
len /= 2;
wep->key[keyidx] = os_malloc(len);
if (wep->key[keyidx] == NULL)
return -1;
wep->len[keyidx] = len;
if (hexstr2bin(val, wep->key[keyidx], len) < 0)
return -1;
}
wep->keys_set++;
return 0;
}
static int hostapd_parse_rates(int **rate_list, char *val)
{
int *list;
int count;
char *pos, *end;
os_free(*rate_list);
*rate_list = NULL;
pos = val;
count = 0;
while (*pos != '\0') {
if (*pos == ' ')
count++;
pos++;
}
list = os_malloc(sizeof(int) * (count + 2));
if (list == NULL)
return -1;
pos = val;
count = 0;
while (*pos != '\0') {
end = os_strchr(pos, ' ');
if (end)
*end = '\0';
list[count++] = atoi(pos);
if (!end)
break;
pos = end + 1;
}
list[count] = -1;
*rate_list = list;
return 0;
}
static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
{
struct hostapd_bss_config *bss;
if (*ifname == '\0')
return -1;
bss = os_realloc(conf->bss, (conf->num_bss + 1) *
sizeof(struct hostapd_bss_config));
if (bss == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate memory for "
"multi-BSS entry");
return -1;
}
conf->bss = bss;
bss = &(conf->bss[conf->num_bss]);
os_memset(bss, 0, sizeof(*bss));
bss->radius = os_zalloc(sizeof(*bss->radius));
if (bss->radius == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate memory for "
"multi-BSS RADIUS data");
return -1;
}
conf->num_bss++;
conf->last_bss = bss;
hostapd_config_defaults_bss(bss);
os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
return 0;
}
/* convert floats with one decimal place to value*10 int, i.e.,
* "1.5" will return 15 */
static int hostapd_config_read_int10(const char *value)
{
int i, d;
char *pos;
i = atoi(value);
pos = os_strchr(value, '.');
d = 0;
if (pos) {
pos++;
if (*pos >= '0' && *pos <= '9')
d = *pos - '0';
}
return i * 10 + d;
}
static int valid_cw(int cw)
{
return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
}
enum {
IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
IEEE80211_TX_QUEUE_DATA4 = 4,
IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
IEEE80211_TX_QUEUE_BEACON = 7
};
static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
char *val)
{
int num;
char *pos;
struct hostapd_tx_queue_params *queue;
/* skip 'tx_queue_' prefix */
pos = name + 9;
if (os_strncmp(pos, "data", 4) == 0 &&
pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
num = pos[4] - '0';
pos += 6;
} else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
num = IEEE80211_TX_QUEUE_AFTER_BEACON;
pos += 13;
} else if (os_strncmp(pos, "beacon_", 7) == 0) {
num = IEEE80211_TX_QUEUE_BEACON;
pos += 7;
} else {
wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
return -1;
}
queue = &conf->tx_queue[num];
if (os_strcmp(pos, "aifs") == 0) {
queue->aifs = atoi(val);
if (queue->aifs < 0 || queue->aifs > 255) {
wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
queue->aifs);
return -1;
}
} else if (os_strcmp(pos, "cwmin") == 0) {
queue->cwmin = atoi(val);
if (!valid_cw(queue->cwmin)) {
wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
queue->cwmin);
return -1;
}
} else if (os_strcmp(pos, "cwmax") == 0) {
queue->cwmax = atoi(val);
if (!valid_cw(queue->cwmax)) {
wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
queue->cwmax);
return -1;
}
} else if (os_strcmp(pos, "burst") == 0) {
queue->burst = hostapd_config_read_int10(val);
} else {
wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
return -1;
}
queue->configured = 1;
return 0;
}
static int hostapd_config_wmm_ac(struct hostapd_config *conf, char *name,
char *val)
{
int num, v;
char *pos;
struct hostapd_wmm_ac_params *ac;
/* skip 'wme_ac_' or 'wmm_ac_' prefix */
pos = name + 7;
if (os_strncmp(pos, "be_", 3) == 0) {
num = 0;
pos += 3;
} else if (os_strncmp(pos, "bk_", 3) == 0) {
num = 1;
pos += 3;
} else if (os_strncmp(pos, "vi_", 3) == 0) {
num = 2;
pos += 3;
} else if (os_strncmp(pos, "vo_", 3) == 0) {
num = 3;
pos += 3;
} else {
wpa_printf(MSG_ERROR, "Unknown WMM name '%s'", pos);
return -1;
}
ac = &conf->wmm_ac_params[num];
if (os_strcmp(pos, "aifs") == 0) {
v = atoi(val);
if (v < 1 || v > 255) {
wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
return -1;
}
ac->aifs = v;
} else if (os_strcmp(pos, "cwmin") == 0) {
v = atoi(val);
if (v < 0 || v > 12) {
wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
return -1;
}
ac->cwmin = v;
} else if (os_strcmp(pos, "cwmax") == 0) {
v = atoi(val);
if (v < 0 || v > 12) {
wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
return -1;
}
ac->cwmax = v;
} else if (os_strcmp(pos, "txop_limit") == 0) {
v = atoi(val);
if (v < 0 || v > 0xffff) {
wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
return -1;
}
ac->txop_limit = v;
} else if (os_strcmp(pos, "acm") == 0) {
v = atoi(val);
if (v < 0 || v > 1) {
wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
return -1;
}
ac->admission_control_mandatory = v;
} else {
wpa_printf(MSG_ERROR, "Unknown wmm_ac_ field '%s'", pos);
return -1;
}
return 0;
}
#ifdef CONFIG_IEEE80211R
static int add_r0kh(struct hostapd_bss_config *bss, char *value)
{
struct ft_remote_r0kh *r0kh;
char *pos, *next;
r0kh = os_zalloc(sizeof(*r0kh));
if (r0kh == NULL)
return -1;
/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
pos = value;
next = os_strchr(pos, ' ');
if (next)
*next++ = '\0';
if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
os_free(r0kh);
return -1;
}
pos = next;
next = os_strchr(pos, ' ');
if (next)
*next++ = '\0';
if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
os_free(r0kh);
return -1;
}
r0kh->id_len = next - pos - 1;
os_memcpy(r0kh->id, pos, r0kh->id_len);
pos = next;
if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
os_free(r0kh);
return -1;
}
r0kh->next = bss->r0kh_list;
bss->r0kh_list = r0kh;
return 0;
}
static int add_r1kh(struct hostapd_bss_config *bss, char *value)
{
struct ft_remote_r1kh *r1kh;
char *pos, *next;
r1kh = os_zalloc(sizeof(*r1kh));
if (r1kh == NULL)
return -1;
/* 02:01:02:03:04:05 02:01:02:03:04:05
* 000102030405060708090a0b0c0d0e0f */
pos = value;
next = os_strchr(pos, ' ');
if (next)
*next++ = '\0';
if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
os_free(r1kh);
return -1;
}
pos = next;
next = os_strchr(pos, ' ');
if (next)
*next++ = '\0';
if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
os_free(r1kh);
return -1;
}
pos = next;
if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
os_free(r1kh);
return -1;
}
r1kh->next = bss->r1kh_list;
bss->r1kh_list = r1kh;
return 0;
}
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IEEE80211N
static int hostapd_config_ht_capab(struct hostapd_config *conf,
const char *capab)
{
if (os_strstr(capab, "[LDPC]"))
conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
if (os_strstr(capab, "[HT40-]")) {
conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
conf->secondary_channel = -1;
}
if (os_strstr(capab, "[HT40+]")) {
conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
conf->secondary_channel = 1;
}
if (os_strstr(capab, "[SMPS-STATIC]")) {
conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
}
if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
}
if (os_strstr(capab, "[GF]"))
conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
if (os_strstr(capab, "[SHORT-GI-20]"))
conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
if (os_strstr(capab, "[SHORT-GI-40]"))
conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
if (os_strstr(capab, "[TX-STBC]"))
conf->ht_capab |= HT_CAP_INFO_TX_STBC;
if (os_strstr(capab, "[RX-STBC1]")) {
conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
}
if (os_strstr(capab, "[RX-STBC12]")) {
conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
}
if (os_strstr(capab, "[RX-STBC123]")) {
conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
}
if (os_strstr(capab, "[DELAYED-BA]"))
conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
if (os_strstr(capab, "[MAX-AMSDU-7935]"))
conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
if (os_strstr(capab, "[DSSS_CCK-40]"))
conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
if (os_strstr(capab, "[PSMP]"))
conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
return 0;
}
#endif /* CONFIG_IEEE80211N */
static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
struct hostapd_config *conf)
{
if (bss->ieee802_1x && !bss->eap_server &&
!bss->radius->auth_servers) {
wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
"EAP authenticator configured).");
return -1;
}
if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
bss->ssid.wpa_psk_file == NULL) {
wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
"is not configured.");
return -1;
}
if (hostapd_mac_comp_empty(bss->bssid) != 0) {
size_t i;
for (i = 0; i < conf->num_bss; i++) {
if ((&conf->bss[i] != bss) &&
(hostapd_mac_comp(conf->bss[i].bssid,
bss->bssid) == 0)) {
wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
" on interface '%s' and '%s'.",
MAC2STR(bss->bssid),
conf->bss[i].iface, bss->iface);
return -1;
}
}
}
#ifdef CONFIG_IEEE80211R
if ((bss->wpa_key_mgmt &
(WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
(bss->nas_identifier == NULL ||
os_strlen(bss->nas_identifier) < 1 ||
os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
"nas_identifier to be configured as a 1..48 octet "
"string");
return -1;
}
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IEEE80211N
if (conf->ieee80211n && bss->wpa &&
!(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
!(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
"requires CCMP to be enabled");
return -1;
}
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_WPS2
if (bss->wps_state && bss->ignore_broadcast_ssid) {
wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
"configuration forced WPS to be disabled");
bss->wps_state = 0;
}
if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
"disabled");
bss->wps_state = 0;
}
#endif /* CONFIG_WPS2 */
return 0;
}
static int hostapd_config_check(struct hostapd_config *conf)
{
size_t i;
if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
"setting the country_code");
return -1;
}
for (i = 0; i < conf->num_bss; i++) {
if (hostapd_config_check_bss(&conf->bss[i], conf))
return -1;
}
return 0;
}
/**
* hostapd_config_read - Read and parse a configuration file
* @fname: Configuration file name (including path, if needed)
* Returns: Allocated configuration data structure
*/
struct hostapd_config * hostapd_config_read(const char *fname)
{
struct hostapd_config *conf;
struct hostapd_bss_config *bss;
FILE *f;
char buf[256], *pos;
int line = 0;
int errors = 0;
int pairwise;
size_t i;
f = fopen(fname, "r");
if (f == NULL) {
wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
"for reading.", fname);
return NULL;
}
conf = hostapd_config_defaults();
if (conf == NULL) {
fclose(f);
return NULL;
}
/* set default driver based on configuration */
conf->driver = wpa_drivers[0];
if (conf->driver == NULL) {
wpa_printf(MSG_ERROR, "No driver wrappers registered!");
hostapd_config_free(conf);
fclose(f);
return NULL;
}
bss = conf->last_bss = conf->bss;
while (fgets(buf, sizeof(buf), f)) {
bss = conf->last_bss;
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
pos = os_strchr(buf, '=');
if (pos == NULL) {
wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
line, buf);
errors++;
continue;
}
*pos = '\0';
pos++;
if (os_strcmp(buf, "interface") == 0) {
os_strlcpy(conf->bss[0].iface, pos,
sizeof(conf->bss[0].iface));
} else if (os_strcmp(buf, "bridge") == 0) {
os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
} else if (os_strcmp(buf, "driver") == 0) {
int j;
/* clear to get error below if setting is invalid */
conf->driver = NULL;
for (j = 0; wpa_drivers[j]; j++) {
if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
{
conf->driver = wpa_drivers[j];
break;
}
}
if (conf->driver == NULL) {
wpa_printf(MSG_ERROR, "Line %d: invalid/"
"unknown driver '%s'", line, pos);
errors++;
}
} else if (os_strcmp(buf, "debug") == 0) {
wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
"configuration variable is not used "
"anymore", line);
} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
bss->logger_syslog_level = atoi(pos);
} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
bss->logger_stdout_level = atoi(pos);
} else if (os_strcmp(buf, "logger_syslog") == 0) {
bss->logger_syslog = atoi(pos);
} else if (os_strcmp(buf, "logger_stdout") == 0) {
bss->logger_stdout = atoi(pos);
} else if (os_strcmp(buf, "dump_file") == 0) {
bss->dump_log_name = os_strdup(pos);
} else if (os_strcmp(buf, "ssid") == 0) {
bss->ssid.ssid_len = os_strlen(pos);
if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
bss->ssid.ssid_len < 1) {
wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
"'%s'", line, pos);
errors++;
} else {
os_memcpy(bss->ssid.ssid, pos,
bss->ssid.ssid_len);
bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
bss->ssid.ssid_set = 1;
}
} else if (os_strcmp(buf, "macaddr_acl") == 0) {
bss->macaddr_acl = atoi(pos);
if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
wpa_printf(MSG_ERROR, "Line %d: unknown "
"macaddr_acl %d",
line, bss->macaddr_acl);
}
} else if (os_strcmp(buf, "accept_mac_file") == 0) {
if (hostapd_config_read_maclist(pos, &bss->accept_mac,
&bss->num_accept_mac))
{
wpa_printf(MSG_ERROR, "Line %d: Failed to "
"read accept_mac_file '%s'",
line, pos);
errors++;
}
} else if (os_strcmp(buf, "deny_mac_file") == 0) {
if (hostapd_config_read_maclist(pos, &bss->deny_mac,
&bss->num_deny_mac)) {
wpa_printf(MSG_ERROR, "Line %d: Failed to "
"read deny_mac_file '%s'",
line, pos);
errors++;
}
} else if (os_strcmp(buf, "wds_sta") == 0) {
bss->wds_sta = atoi(pos);
} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
bss->ap_max_inactivity = atoi(pos);
} else if (os_strcmp(buf, "country_code") == 0) {
os_memcpy(conf->country, pos, 2);
/* FIX: make this configurable */
conf->country[2] = ' ';
} else if (os_strcmp(buf, "ieee80211d") == 0) {
conf->ieee80211d = atoi(pos);
} else if (os_strcmp(buf, "ieee8021x") == 0) {
bss->ieee802_1x = atoi(pos);
} else if (os_strcmp(buf, "eapol_version") == 0) {
bss->eapol_version = atoi(pos);
if (bss->eapol_version < 1 ||
bss->eapol_version > 2) {
wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
"version (%d): '%s'.",
line, bss->eapol_version, pos);
errors++;
} else
wpa_printf(MSG_DEBUG, "eapol_version=%d",
bss->eapol_version);
#ifdef EAP_SERVER
} else if (os_strcmp(buf, "eap_authenticator") == 0) {
bss->eap_server = atoi(pos);
wpa_printf(MSG_ERROR, "Line %d: obsolete "
"eap_authenticator used; this has been "
"renamed to eap_server", line);
} else if (os_strcmp(buf, "eap_server") == 0) {
bss->eap_server = atoi(pos);
} else if (os_strcmp(buf, "eap_user_file") == 0) {
if (hostapd_config_read_eap_user(pos, bss))
errors++;
} else if (os_strcmp(buf, "ca_cert") == 0) {
os_free(bss->ca_cert);
bss->ca_cert = os_strdup(pos);
} else if (os_strcmp(buf, "server_cert") == 0) {
os_free(bss->server_cert);
bss->server_cert = os_strdup(pos);
} else if (os_strcmp(buf, "private_key") == 0) {
os_free(bss->private_key);
bss->private_key = os_strdup(pos);
} else if (os_strcmp(buf, "private_key_passwd") == 0) {
os_free(bss->private_key_passwd);
bss->private_key_passwd = os_strdup(pos);
} else if (os_strcmp(buf, "check_crl") == 0) {
bss->check_crl = atoi(pos);
} else if (os_strcmp(buf, "dh_file") == 0) {
os_free(bss->dh_file);
bss->dh_file = os_strdup(pos);
} else if (os_strcmp(buf, "fragment_size") == 0) {
bss->fragment_size = atoi(pos);
#ifdef EAP_SERVER_FAST
} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
os_free(bss->pac_opaque_encr_key);
bss->pac_opaque_encr_key = os_malloc(16);
if (bss->pac_opaque_encr_key == NULL) {
wpa_printf(MSG_ERROR, "Line %d: No memory for "
"pac_opaque_encr_key", line);
errors++;
} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
16)) {
wpa_printf(MSG_ERROR, "Line %d: Invalid "
"pac_opaque_encr_key", line);
errors++;
}
} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
size_t idlen = os_strlen(pos);
if (idlen & 1) {
wpa_printf(MSG_ERROR, "Line %d: Invalid "
"eap_fast_a_id", line);
errors++;
} else {
os_free(bss->eap_fast_a_id);
bss->eap_fast_a_id = os_malloc(idlen / 2);
if (bss->eap_fast_a_id == NULL ||
hexstr2bin(pos, bss->eap_fast_a_id,
idlen / 2)) {
wpa_printf(MSG_ERROR, "Line %d: "
"Failed to parse "
"eap_fast_a_id", line);
errors++;
} else
bss->eap_fast_a_id_len = idlen / 2;
}
} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
os_free(bss->eap_fast_a_id_info);
bss->eap_fast_a_id_info = os_strdup(pos);
} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
bss->eap_fast_prov = atoi(pos);
} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
bss->pac_key_lifetime = atoi(pos);
} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
bss->pac_key_refresh_time = atoi(pos);
#endif /* EAP_SERVER_FAST */
#ifdef EAP_SERVER_SIM
} else if (os_strcmp(buf, "eap_sim_db") == 0) {
os_free(bss->eap_sim_db);
bss->eap_sim_db = os_strdup(pos);
} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
bss->eap_sim_aka_result_ind = atoi(pos);
#endif /* EAP_SERVER_SIM */
#ifdef EAP_SERVER_TNC
} else if (os_strcmp(buf, "tnc") == 0) {
bss->tnc = atoi(pos);
#endif /* EAP_SERVER_TNC */
#ifdef EAP_SERVER_PWD
} else if (os_strcmp(buf, "pwd_group") == 0) {
bss->pwd_group = atoi(pos);
#endif /* EAP_SERVER_PWD */
#endif /* EAP_SERVER */
} else if (os_strcmp(buf, "eap_message") == 0) {
char *term;
bss->eap_req_id_text = os_strdup(pos);
if (bss->eap_req_id_text == NULL) {
wpa_printf(MSG_ERROR, "Line %d: Failed to "
"allocate memory for "
"eap_req_id_text", line);
errors++;
continue;
}
bss->eap_req_id_text_len =
os_strlen(bss->eap_req_id_text);
term = os_strstr(bss->eap_req_id_text, "\\0");
if (term) {
*term++ = '\0';
os_memmove(term, term + 1,
bss->eap_req_id_text_len -
(term - bss->eap_req_id_text) - 1);
bss->eap_req_id_text_len--;
}
} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
bss->default_wep_key_len = atoi(pos);
if (bss->default_wep_key_len > 13) {
wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
"key len %lu (= %lu bits)", line,
(unsigned long)
bss->default_wep_key_len,
(unsigned long)
bss->default_wep_key_len * 8);
errors++;
}
} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
bss->individual_wep_key_len = atoi(pos);
if (bss->individual_wep_key_len < 0 ||
bss->individual_wep_key_len > 13) {
wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
"key len %d (= %d bits)", line,
bss->individual_wep_key_len,
bss->individual_wep_key_len * 8);
errors++;
}
} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
bss->wep_rekeying_period = atoi(pos);
if (bss->wep_rekeying_period < 0) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"period %d",
line, bss->wep_rekeying_period);
errors++;
}
} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
bss->eap_reauth_period = atoi(pos);
if (bss->eap_reauth_period < 0) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"period %d",
line, bss->eap_reauth_period);
errors++;
}
} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
bss->eapol_key_index_workaround = atoi(pos);
#ifdef CONFIG_IAPP
} else if (os_strcmp(buf, "iapp_interface") == 0) {
bss->ieee802_11f = 1;
os_strlcpy(bss->iapp_iface, pos,
sizeof(bss->iapp_iface));
#endif /* CONFIG_IAPP */
} else if (os_strcmp(buf, "own_ip_addr") == 0) {
if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
wpa_printf(MSG_ERROR, "Line %d: invalid IP "
"address '%s'", line, pos);
errors++;
}
} else if (os_strcmp(buf, "nas_identifier") == 0) {
bss->nas_identifier = os_strdup(pos);
#ifndef CONFIG_NO_RADIUS
} else if (os_strcmp(buf, "auth_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&bss->radius->auth_servers,
&bss->radius->num_auth_servers, pos, 1812,
&bss->radius->auth_server)) {
wpa_printf(MSG_ERROR, "Line %d: invalid IP "
"address '%s'", line, pos);
errors++;
}
} else if (bss->radius->auth_server &&
os_strcmp(buf, "auth_server_port") == 0) {
bss->radius->auth_server->port = atoi(pos);
} else if (bss->radius->auth_server &&
os_strcmp(buf, "auth_server_shared_secret") == 0) {
int len = os_strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
wpa_printf(MSG_ERROR, "Line %d: empty shared "
"secret is not allowed.", line);
errors++;
}
bss->radius->auth_server->shared_secret =
(u8 *) os_strdup(pos);
bss->radius->auth_server->shared_secret_len = len;
} else if (os_strcmp(buf, "acct_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&bss->radius->acct_servers,
&bss->radius->num_acct_servers, pos, 1813,
&bss->radius->acct_server)) {
wpa_printf(MSG_ERROR, "Line %d: invalid IP "
"address '%s'", line, pos);
errors++;
}
} else if (bss->radius->acct_server &&
os_strcmp(buf, "acct_server_port") == 0) {
bss->radius->acct_server->port = atoi(pos);
} else if (bss->radius->acct_server &&
os_strcmp(buf, "acct_server_shared_secret") == 0) {
int len = os_strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
wpa_printf(MSG_ERROR, "Line %d: empty shared "
"secret is not allowed.", line);
errors++;
}
bss->radius->acct_server->shared_secret =
(u8 *) os_strdup(pos);
bss->radius->acct_server->shared_secret_len = len;
} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
0) {
bss->radius->retry_primary_interval = atoi(pos);
} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
{
bss->acct_interim_interval = atoi(pos);
#endif /* CONFIG_NO_RADIUS */
} else if (os_strcmp(buf, "auth_algs") == 0) {
bss->auth_algs = atoi(pos);
if (bss->auth_algs == 0) {
wpa_printf(MSG_ERROR, "Line %d: no "
"authentication algorithms allowed",
line);
errors++;
}
} else if (os_strcmp(buf, "max_num_sta") == 0) {
bss->max_num_sta = atoi(pos);
if (bss->max_num_sta < 0 ||
bss->max_num_sta > MAX_STA_COUNT) {
wpa_printf(MSG_ERROR, "Line %d: Invalid "
"max_num_sta=%d; allowed range "
"0..%d", line, bss->max_num_sta,
MAX_STA_COUNT);
errors++;
}
} else if (os_strcmp(buf, "wpa") == 0) {
bss->wpa = atoi(pos);
} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
bss->wpa_group_rekey = atoi(pos);
} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
bss->wpa_strict_rekey = atoi(pos);
} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
bss->wpa_gmk_rekey = atoi(pos);
} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
bss->wpa_ptk_rekey = atoi(pos);
} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
int len = os_strlen(pos);
if (len < 8 || len > 63) {
wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
"passphrase length %d (expected "
"8..63)", line, len);
errors++;
} else {
os_free(bss->ssid.wpa_passphrase);
bss->ssid.wpa_passphrase = os_strdup(pos);
}
} else if (os_strcmp(buf, "wpa_psk") == 0) {
os_free(bss->ssid.wpa_psk);
bss->ssid.wpa_psk =
os_zalloc(sizeof(struct hostapd_wpa_psk));
if (bss->ssid.wpa_psk == NULL)
errors++;
else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
PMK_LEN) ||
pos[PMK_LEN * 2] != '\0') {
wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
"'%s'.", line, pos);
errors++;
} else {
bss->ssid.wpa_psk->group = 1;
}
} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
os_free(bss->ssid.wpa_psk_file);
bss->ssid.wpa_psk_file = os_strdup(pos);
if (!bss->ssid.wpa_psk_file) {
wpa_printf(MSG_ERROR, "Line %d: allocation "
"failed", line);
errors++;
}
} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
bss->wpa_key_mgmt =
hostapd_config_parse_key_mgmt(line, pos);
if (bss->wpa_key_mgmt == -1)
errors++;
} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
bss->wpa_pairwise =
hostapd_config_parse_cipher(line, pos);
if (bss->wpa_pairwise == -1 ||
bss->wpa_pairwise == 0)
errors++;
else if (bss->wpa_pairwise &
(WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
WPA_CIPHER_WEP104)) {
wpa_printf(MSG_ERROR, "Line %d: unsupported "
"pairwise cipher suite '%s'",
bss->wpa_pairwise, pos);
errors++;
}
} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
bss->rsn_pairwise =
hostapd_config_parse_cipher(line, pos);
if (bss->rsn_pairwise == -1 ||
bss->rsn_pairwise == 0)
errors++;
else if (bss->rsn_pairwise &
(WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
WPA_CIPHER_WEP104)) {
wpa_printf(MSG_ERROR, "Line %d: unsupported "
"pairwise cipher suite '%s'",
bss->rsn_pairwise, pos);
errors++;
}
#ifdef CONFIG_RSN_PREAUTH
} else if (os_strcmp(buf, "rsn_preauth") == 0) {
bss->rsn_preauth = atoi(pos);
} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
bss->rsn_preauth_interfaces = os_strdup(pos);
#endif /* CONFIG_RSN_PREAUTH */
#ifdef CONFIG_PEERKEY
} else if (os_strcmp(buf, "peerkey") == 0) {
bss->peerkey = atoi(pos);
#endif /* CONFIG_PEERKEY */
#ifdef CONFIG_IEEE80211R
} else if (os_strcmp(buf, "mobility_domain") == 0) {
if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
hexstr2bin(pos, bss->mobility_domain,
MOBILITY_DOMAIN_ID_LEN) != 0) {
wpa_printf(MSG_DEBUG, "Line %d: Invalid "
"mobility_domain '%s'", line, pos);
errors++;
continue;
}
} else if (os_strcmp(buf, "r1_key_holder") == 0) {
if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
hexstr2bin(pos, bss->r1_key_holder,
FT_R1KH_ID_LEN) != 0) {
wpa_printf(MSG_DEBUG, "Line %d: Invalid "
"r1_key_holder '%s'", line, pos);
errors++;
continue;
}
} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
bss->r0_key_lifetime = atoi(pos);
} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
bss->reassociation_deadline = atoi(pos);
} else if (os_strcmp(buf, "r0kh") == 0) {
if (add_r0kh(bss, pos) < 0) {
wpa_printf(MSG_DEBUG, "Line %d: Invalid "
"r0kh '%s'", line, pos);
errors++;
continue;
}
} else if (os_strcmp(buf, "r1kh") == 0) {
if (add_r1kh(bss, pos) < 0) {
wpa_printf(MSG_DEBUG, "Line %d: Invalid "
"r1kh '%s'", line, pos);
errors++;
continue;
}
} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
bss->pmk_r1_push = atoi(pos);
#endif /* CONFIG_IEEE80211R */
#ifndef CONFIG_NO_CTRL_IFACE
} else if (os_strcmp(buf, "ctrl_interface") == 0) {
os_free(bss->ctrl_interface);
bss->ctrl_interface = os_strdup(pos);
} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
#ifndef CONFIG_NATIVE_WINDOWS
struct group *grp;
char *endp;
const char *group = pos;
grp = getgrnam(group);
if (grp) {
bss->ctrl_interface_gid = grp->gr_gid;
bss->ctrl_interface_gid_set = 1;
wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
" (from group name '%s')",
bss->ctrl_interface_gid, group);
continue;
}
/* Group name not found - try to parse this as gid */
bss->ctrl_interface_gid = strtol(group, &endp, 10);
if (*group == '\0' || *endp != '\0') {
wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
"'%s'", line, group);
errors++;
continue;
}
bss->ctrl_interface_gid_set = 1;
wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
bss->ctrl_interface_gid);
#endif /* CONFIG_NATIVE_WINDOWS */
#endif /* CONFIG_NO_CTRL_IFACE */
#ifdef RADIUS_SERVER
} else if (os_strcmp(buf, "radius_server_clients") == 0) {
os_free(bss->radius_server_clients);
bss->radius_server_clients = os_strdup(pos);
} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
bss->radius_server_auth_port = atoi(pos);
} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
bss->radius_server_ipv6 = atoi(pos);
#endif /* RADIUS_SERVER */
} else if (os_strcmp(buf, "test_socket") == 0) {
os_free(bss->test_socket);
bss->test_socket = os_strdup(pos);
} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
bss->use_pae_group_addr = atoi(pos);
} else if (os_strcmp(buf, "hw_mode") == 0) {
if (os_strcmp(pos, "a") == 0)
conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
else if (os_strcmp(pos, "b") == 0)
conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
else if (os_strcmp(pos, "g") == 0)
conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
else {
wpa_printf(MSG_ERROR, "Line %d: unknown "
"hw_mode '%s'", line, pos);
errors++;
}
} else if (os_strcmp(buf, "channel") == 0) {
conf->channel = atoi(pos);
} else if (os_strcmp(buf, "beacon_int") == 0) {
int val = atoi(pos);
/* MIB defines range as 1..65535, but very small values
* cause problems with the current implementation.
* Since it is unlikely that this small numbers are
* useful in real life scenarios, do not allow beacon
* period to be set below 15 TU. */
if (val < 15 || val > 65535) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"beacon_int %d (expected "
"15..65535)", line, val);
errors++;
} else
conf->beacon_int = val;
} else if (os_strcmp(buf, "dtim_period") == 0) {
bss->dtim_period = atoi(pos);
if (bss->dtim_period < 1 || bss->dtim_period > 255) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"dtim_period %d",
line, bss->dtim_period);
errors++;
}
} else if (os_strcmp(buf, "rts_threshold") == 0) {
conf->rts_threshold = atoi(pos);
if (conf->rts_threshold < 0 ||
conf->rts_threshold > 2347) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"rts_threshold %d",
line, conf->rts_threshold);
errors++;
}
} else if (os_strcmp(buf, "fragm_threshold") == 0) {
conf->fragm_threshold = atoi(pos);
if (conf->fragm_threshold < 256 ||
conf->fragm_threshold > 2346) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"fragm_threshold %d",
line, conf->fragm_threshold);
errors++;
}
} else if (os_strcmp(buf, "send_probe_response") == 0) {
int val = atoi(pos);
if (val != 0 && val != 1) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"send_probe_response %d (expected "
"0 or 1)", line, val);
} else
conf->send_probe_response = val;
} else if (os_strcmp(buf, "supported_rates") == 0) {
if (hostapd_parse_rates(&conf->supported_rates, pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid rate "
"list", line);
errors++;
}
} else if (os_strcmp(buf, "basic_rates") == 0) {
if (hostapd_parse_rates(&conf->basic_rates, pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid rate "
"list", line);
errors++;
}
} else if (os_strcmp(buf, "preamble") == 0) {
if (atoi(pos))
conf->preamble = SHORT_PREAMBLE;
else
conf->preamble = LONG_PREAMBLE;
} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
bss->ignore_broadcast_ssid = atoi(pos);
} else if (os_strcmp(buf, "wep_default_key") == 0) {
bss->ssid.wep.idx = atoi(pos);
if (bss->ssid.wep.idx > 3) {
wpa_printf(MSG_ERROR, "Invalid "
"wep_default_key index %d",
bss->ssid.wep.idx);
errors++;
}
} else if (os_strcmp(buf, "wep_key0") == 0 ||
os_strcmp(buf, "wep_key1") == 0 ||
os_strcmp(buf, "wep_key2") == 0 ||
os_strcmp(buf, "wep_key3") == 0) {
if (hostapd_config_read_wep(&bss->ssid.wep,
buf[7] - '0', pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
"key '%s'", line, buf);
errors++;
}
#ifndef CONFIG_NO_VLAN
} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
bss->ssid.dynamic_vlan = atoi(pos);
} else if (os_strcmp(buf, "vlan_file") == 0) {
if (hostapd_config_read_vlan_file(bss, pos)) {
wpa_printf(MSG_ERROR, "Line %d: failed to "
"read VLAN file '%s'", line, pos);
errors++;
}
#ifdef CONFIG_FULL_DYNAMIC_VLAN
} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
bss->ssid.vlan_tagged_interface = os_strdup(pos);
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
#endif /* CONFIG_NO_VLAN */
} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
conf->ap_table_max_size = atoi(pos);
} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
conf->ap_table_expiration_time = atoi(pos);
} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
if (hostapd_config_tx_queue(conf, buf, pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid TX "
"queue item", line);
errors++;
}
} else if (os_strcmp(buf, "wme_enabled") == 0 ||
os_strcmp(buf, "wmm_enabled") == 0) {
bss->wmm_enabled = atoi(pos);
} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
bss->wmm_uapsd = atoi(pos);
} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
os_strncmp(buf, "wmm_ac_", 7) == 0) {
if (hostapd_config_wmm_ac(conf, buf, pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
"ac item", line);
errors++;
}
} else if (os_strcmp(buf, "bss") == 0) {
if (hostapd_config_bss(conf, pos)) {
wpa_printf(MSG_ERROR, "Line %d: invalid bss "
"item", line);
errors++;
}
} else if (os_strcmp(buf, "bssid") == 0) {
if (hwaddr_aton(pos, bss->bssid)) {
wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
"item", line);
errors++;
}
#ifdef CONFIG_IEEE80211W
} else if (os_strcmp(buf, "ieee80211w") == 0) {
bss->ieee80211w = atoi(pos);
} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
bss->assoc_sa_query_max_timeout = atoi(pos);
if (bss->assoc_sa_query_max_timeout == 0) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"assoc_sa_query_max_timeout", line);
errors++;
}
} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
{
bss->assoc_sa_query_retry_timeout = atoi(pos);
if (bss->assoc_sa_query_retry_timeout == 0) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"assoc_sa_query_retry_timeout",
line);
errors++;
}
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_IEEE80211N
} else if (os_strcmp(buf, "ieee80211n") == 0) {
conf->ieee80211n = atoi(pos);
} else if (os_strcmp(buf, "ht_capab") == 0) {
if (hostapd_config_ht_capab(conf, pos) < 0) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"ht_capab", line);
errors++;
}
#endif /* CONFIG_IEEE80211N */
} else if (os_strcmp(buf, "max_listen_interval") == 0) {
bss->max_listen_interval = atoi(pos);
} else if (os_strcmp(buf, "okc") == 0) {
bss->okc = atoi(pos);
#ifdef CONFIG_WPS
} else if (os_strcmp(buf, "wps_state") == 0) {
bss->wps_state = atoi(pos);
if (bss->wps_state < 0 || bss->wps_state > 2) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"wps_state", line);
errors++;
}
} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
bss->ap_setup_locked = atoi(pos);
} else if (os_strcmp(buf, "uuid") == 0) {
if (uuid_str2bin(pos, bss->uuid)) {
wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
line);
errors++;
}
} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
os_free(bss->wps_pin_requests);
bss->wps_pin_requests = os_strdup(pos);
} else if (os_strcmp(buf, "device_name") == 0) {
if (os_strlen(pos) > 32) {
wpa_printf(MSG_ERROR, "Line %d: Too long "
"device_name", line);
errors++;
}
os_free(bss->device_name);
bss->device_name = os_strdup(pos);
} else if (os_strcmp(buf, "manufacturer") == 0) {
if (os_strlen(pos) > 64) {
wpa_printf(MSG_ERROR, "Line %d: Too long "
"manufacturer", line);
errors++;
}
os_free(bss->manufacturer);
bss->manufacturer = os_strdup(pos);
} else if (os_strcmp(buf, "model_name") == 0) {
if (os_strlen(pos) > 32) {
wpa_printf(MSG_ERROR, "Line %d: Too long "
"model_name", line);
errors++;
}
os_free(bss->model_name);
bss->model_name = os_strdup(pos);
} else if (os_strcmp(buf, "model_number") == 0) {
if (os_strlen(pos) > 32) {
wpa_printf(MSG_ERROR, "Line %d: Too long "
"model_number", line);
errors++;
}
os_free(bss->model_number);
bss->model_number = os_strdup(pos);
} else if (os_strcmp(buf, "serial_number") == 0) {
if (os_strlen(pos) > 32) {
wpa_printf(MSG_ERROR, "Line %d: Too long "
"serial_number", line);
errors++;
}
os_free(bss->serial_number);
bss->serial_number = os_strdup(pos);
} else if (os_strcmp(buf, "device_type") == 0) {
os_free(bss->device_type);
bss->device_type = os_strdup(pos);
} else if (os_strcmp(buf, "config_methods") == 0) {
os_free(bss->config_methods);
bss->config_methods = os_strdup(pos);
} else if (os_strcmp(buf, "os_version") == 0) {
if (hexstr2bin(pos, bss->os_version, 4)) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"os_version", line);
errors++;
}
} else if (os_strcmp(buf, "ap_pin") == 0) {
os_free(bss->ap_pin);
bss->ap_pin = os_strdup(pos);
} else if (os_strcmp(buf, "skip_cred_build") == 0) {
bss->skip_cred_build = atoi(pos);
} else if (os_strcmp(buf, "extra_cred") == 0) {
os_free(bss->extra_cred);
bss->extra_cred =
(u8 *) os_readfile(pos, &bss->extra_cred_len);
if (bss->extra_cred == NULL) {
wpa_printf(MSG_ERROR, "Line %d: could not "
"read Credentials from '%s'",
line, pos);
errors++;
}
} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
bss->wps_cred_processing = atoi(pos);
} else if (os_strcmp(buf, "ap_settings") == 0) {
os_free(bss->ap_settings);
bss->ap_settings =
(u8 *) os_readfile(pos, &bss->ap_settings_len);
if (bss->ap_settings == NULL) {
wpa_printf(MSG_ERROR, "Line %d: could not "
"read AP Settings from '%s'",
line, pos);
errors++;
}
} else if (os_strcmp(buf, "upnp_iface") == 0) {
bss->upnp_iface = os_strdup(pos);
} else if (os_strcmp(buf, "friendly_name") == 0) {
os_free(bss->friendly_name);
bss->friendly_name = os_strdup(pos);
} else if (os_strcmp(buf, "manufacturer_url") == 0) {
os_free(bss->manufacturer_url);
bss->manufacturer_url = os_strdup(pos);
} else if (os_strcmp(buf, "model_description") == 0) {
os_free(bss->model_description);
bss->model_description = os_strdup(pos);
} else if (os_strcmp(buf, "model_url") == 0) {
os_free(bss->model_url);
bss->model_url = os_strdup(pos);
} else if (os_strcmp(buf, "upc") == 0) {
os_free(bss->upc);
bss->upc = os_strdup(pos);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P_MANAGER
} else if (os_strcmp(buf, "manage_p2p") == 0) {
int manage = atoi(pos);
if (manage)
bss->p2p |= P2P_MANAGE;
else
bss->p2p &= ~P2P_MANAGE;
} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
if (atoi(pos))
bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
else
bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
#endif /* CONFIG_P2P_MANAGER */
} else {
wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
"item '%s'", line, buf);
errors++;
}
}
fclose(f);
for (i = 0; i < conf->num_bss; i++) {
bss = &conf->bss[i];
if (bss->individual_wep_key_len == 0) {
/* individual keys are not use; can use key idx0 for
* broadcast keys */
bss->broadcast_key_idx_min = 0;
}
/* Select group cipher based on the enabled pairwise cipher
* suites */
pairwise = 0;
if (bss->wpa & 1)
pairwise |= bss->wpa_pairwise;
if (bss->wpa & 2) {
if (bss->rsn_pairwise == 0)
bss->rsn_pairwise = bss->wpa_pairwise;
pairwise |= bss->rsn_pairwise;
}
if (pairwise & WPA_CIPHER_TKIP)
bss->wpa_group = WPA_CIPHER_TKIP;
else
bss->wpa_group = WPA_CIPHER_CCMP;
bss->radius->auth_server = bss->radius->auth_servers;
bss->radius->acct_server = bss->radius->acct_servers;
if (bss->wpa && bss->ieee802_1x) {
bss->ssid.security_policy = SECURITY_WPA;
} else if (bss->wpa) {
bss->ssid.security_policy = SECURITY_WPA_PSK;
} else if (bss->ieee802_1x) {
bss->ssid.security_policy = SECURITY_IEEE_802_1X;
bss->ssid.wep.default_len = bss->default_wep_key_len;
} else if (bss->ssid.wep.keys_set)
bss->ssid.security_policy = SECURITY_STATIC_WEP;
else
bss->ssid.security_policy = SECURITY_PLAINTEXT;
}
if (hostapd_config_check(conf))
errors++;
if (errors) {
wpa_printf(MSG_ERROR, "%d errors found in configuration file "
"'%s'", errors, fname);
hostapd_config_free(conf);
conf = NULL;
}
return conf;
}
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