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config_file.c
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config_file.c
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/*
* hostapd / Configuration file parser
* Copyright (c) 2003-2015, Jouni Malinen <[email protected]>
*
* This software may be distributed under the terms of the BSD license.
* See README 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 "crypto/sha256.h"
#include "crypto/tls.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"
#ifndef CONFIG_NO_RADIUS
#ifdef EAP_SERVER
static struct hostapd_radius_attr *
hostapd_parse_radius_attr(const char *value);
#endif /* EAP_SERVER */
#endif /* CONFIG_NO_RADIUS */
#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_zalloc(sizeof(*vlan));
if (vlan == NULL) {
wpa_printf(MSG_ERROR, "Out of memory while reading "
"VLAN interfaces from '%s'", fname);
fclose(f);
return -1;
}
vlan->vlan_id = vlan_id;
vlan->vlan_desc.untagged = vlan_id;
vlan->vlan_desc.notempty = !!vlan_id;
os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
vlan->next = bss->vlan;
bss->vlan = vlan;
}
fclose(f);
return 0;
}
#endif /* CONFIG_NO_VLAN */
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));
}
int hostapd_add_acl_maclist(struct mac_acl_entry **acl, int *num,
int vlan_id, const u8 *addr)
{
struct mac_acl_entry *newacl;
newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
if (!newacl) {
wpa_printf(MSG_ERROR, "MAC list reallocation failed");
return -1;
}
*acl = newacl;
os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
os_memset(&(*acl)[*num].vlan_id, 0, sizeof((*acl)[*num].vlan_id));
(*acl)[*num].vlan_id.untagged = vlan_id;
(*acl)[*num].vlan_id.notempty = !!vlan_id;
(*num)++;
return 0;
}
void hostapd_remove_acl_mac(struct mac_acl_entry **acl, int *num,
const u8 *addr)
{
int i = 0;
while (i < *num) {
if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) == 0) {
os_remove_in_array(*acl, *num, sizeof(**acl), i);
(*num)--;
} else {
i++;
}
}
}
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];
int vlan_id;
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)) {
int rem = 0;
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
pos = buf;
if (buf[0] == '-') {
rem = 1;
pos++;
}
if (hwaddr_aton(pos, addr)) {
wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
"line %d in '%s'", pos, line, fname);
fclose(f);
return -1;
}
if (rem) {
hostapd_remove_acl_mac(acl, num, addr);
continue;
}
vlan_id = 0;
pos = buf;
while (*pos != '\0' && *pos != ' ' && *pos != '\t')
pos++;
while (*pos == ' ' || *pos == '\t')
pos++;
if (*pos != '\0')
vlan_id = atoi(pos);
if (hostapd_add_acl_maclist(acl, num, vlan_id, addr) < 0) {
fclose(f);
return -1;
}
}
fclose(f);
if (*acl)
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 = NULL, *tail = NULL, *new_user = NULL;
if (os_strncmp(fname, "sqlite:", 7) == 0) {
#ifdef CONFIG_SQLITE
os_free(conf->eap_user_sqlite);
conf->eap_user_sqlite = os_strdup(fname + 7);
return 0;
#else /* CONFIG_SQLITE */
wpa_printf(MSG_ERROR,
"EAP user file in SQLite DB, but CONFIG_SQLITE was not enabled in the build.");
return -1;
#endif /* CONFIG_SQLITE */
}
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;
#ifndef CONFIG_NO_RADIUS
if (user && os_strncmp(buf, "radius_accept_attr=", 19) == 0) {
struct hostapd_radius_attr *attr, *a;
attr = hostapd_parse_radius_attr(buf + 19);
if (attr == NULL) {
wpa_printf(MSG_ERROR, "Invalid radius_auth_req_attr: %s",
buf + 19);
user = NULL; /* already in the BSS list */
goto failed;
}
if (user->accept_attr == NULL) {
user->accept_attr = attr;
} else {
a = user->accept_attr;
while (a->next)
a = a->next;
a->next = attr;
}
continue;
}
#endif /* CONFIG_NO_RADIUS */
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_memdup(start, pos - start);
if (user->identity == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate "
"memory for EAP identity");
goto failed;
}
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;
}
if (os_strcmp(start, "MACACL") == 0) {
user->macacl = 1;
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_MAX_METHODS)
break;
skip_eap:
if (pos3 == NULL)
break;
start = pos3;
}
if (num_methods == 0 && user->ttls_auth == 0 && !user->macacl) {
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_memdup(start, pos - start);
if (user->password == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate "
"memory for EAP password");
goto failed;
}
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 = new_user = user;
} else {
tail->next = user;
tail = user;
}
continue;
failed:
if (user)
hostapd_config_free_eap_user(user);
ret = -1;
break;
}
fclose(f);
if (ret == 0) {
hostapd_config_free_eap_users(conf->eap_user);
conf->eap_user = new_user;
} else {
hostapd_config_free_eap_users(new_user);
}
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_array(*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;
}
static struct hostapd_radius_attr *
hostapd_parse_radius_attr(const char *value)
{
const char *pos;
char syntax;
struct hostapd_radius_attr *attr;
size_t len;
attr = os_zalloc(sizeof(*attr));
if (attr == NULL)
return NULL;
attr->type = atoi(value);
pos = os_strchr(value, ':');
if (pos == NULL) {
attr->val = wpabuf_alloc(1);
if (attr->val == NULL) {
os_free(attr);
return NULL;
}
wpabuf_put_u8(attr->val, 0);
return attr;
}
pos++;
if (pos[0] == '\0' || pos[1] != ':') {
os_free(attr);
return NULL;
}
syntax = *pos++;
pos++;
switch (syntax) {
case 's':
attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
break;
case 'x':
len = os_strlen(pos);
if (len & 1)
break;
len /= 2;
attr->val = wpabuf_alloc(len);
if (attr->val == NULL)
break;
if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
wpabuf_free(attr->val);
os_free(attr);
return NULL;
}
break;
case 'd':
attr->val = wpabuf_alloc(4);
if (attr->val)
wpabuf_put_be32(attr->val, atoi(pos));
break;
default:
os_free(attr);
return NULL;
}
if (attr->val == NULL) {
os_free(attr);
return NULL;
}
return attr;
}
static int hostapd_parse_das_client(struct hostapd_bss_config *bss, char *val)
{
char *secret;
secret = os_strchr(val, ' ');
if (secret == NULL)
return -1;
*secret++ = '\0';
if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
return -1;
os_free(bss->radius_das_shared_secret);
bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
if (bss->radius_das_shared_secret == NULL)
return -1;
bss->radius_das_shared_secret_len = os_strlen(secret);
return 0;
}
#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_AP
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_AP */
#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_SAE
else if (os_strcmp(start, "SAE") == 0)
val |= WPA_KEY_MGMT_SAE;
else if (os_strcmp(start, "FT-SAE") == 0)
val |= WPA_KEY_MGMT_FT_SAE;
#endif /* CONFIG_SAE */
#ifdef CONFIG_SUITEB
else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0)
val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B;
#endif /* CONFIG_SUITEB */
#ifdef CONFIG_SUITEB192
else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0)
val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
#endif /* CONFIG_SUITEB192 */
#ifdef CONFIG_FILS
else if (os_strcmp(start, "FILS-SHA256") == 0)
val |= WPA_KEY_MGMT_FILS_SHA256;
else if (os_strcmp(start, "FILS-SHA384") == 0)
val |= WPA_KEY_MGMT_FILS_SHA384;
#ifdef CONFIG_IEEE80211R_AP
else if (os_strcmp(start, "FT-FILS-SHA256") == 0)
val |= WPA_KEY_MGMT_FT_FILS_SHA256;
else if (os_strcmp(start, "FT-FILS-SHA384") == 0)
val |= WPA_KEY_MGMT_FT_FILS_SHA384;
#endif /* CONFIG_IEEE80211R_AP */
#endif /* CONFIG_FILS */
#ifdef CONFIG_OWE
else if (os_strcmp(start, "OWE") == 0)
val |= WPA_KEY_MGMT_OWE;
#endif /* CONFIG_OWE */
#ifdef CONFIG_DPP
else if (os_strcmp(start, "DPP") == 0)
val |= WPA_KEY_MGMT_DPP;
#endif /* CONFIG_DPP */
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 = wpa_parse_cipher(value);
if (val < 0) {
wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
line, value);
return -1;
}
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)
return -1;
if (len == 0) {
int i, set = 0;
bin_clear_free(wep->key[keyidx], wep->len[keyidx]);
wep->key[keyidx] = NULL;
wep->len[keyidx] = 0;
for (i = 0; i < NUM_WEP_KEYS; i++) {
if (wep->key[i])
set++;
}
if (!set)
wep->keys_set = 0;
return 0;
}
if (wep->key[keyidx] != NULL)
return -1;
if (val[0] == '"') {
if (len < 2 || val[len - 1] != '"')
return -1;
len -= 2;
wep->key[keyidx] = os_memdup(val + 1, len);
if (wep->key[keyidx] == NULL)
return -1;
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_chanlist(struct hostapd_config *conf, char *val)
{
char *pos;
/* for backwards compatibility, translate ' ' in conf str to ',' */
pos = val;
while (pos) {
pos = os_strchr(pos, ' ');
if (pos)
*pos++ = ',';
}
if (freq_range_list_parse(&conf->acs_ch_list, val))
return -1;
return 0;
}
static int hostapd_parse_intlist(int **int_list, char *val)
{
int *list;
int count;
char *pos, *end;
os_free(*int_list);
*int_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;
*int_list = list;
return 0;
}
static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
{
struct hostapd_bss_config **all, *bss;
if (*ifname == '\0')
return -1;
all = os_realloc_array(conf->bss, conf->num_bss + 1,
sizeof(struct hostapd_bss_config *));
if (all == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate memory for "
"multi-BSS entry");
return -1;
}
conf->bss = all;
bss = os_zalloc(sizeof(*bss));
if (bss == NULL)
return -1;
bss->radius = os_zalloc(sizeof(*bss->radius));
if (bss->radius == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate memory for "
"multi-BSS RADIUS data");
os_free(bss);
return -1;
}
conf->bss[conf->num_bss++] = 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 ||
cw == 2047 || cw == 4095 || cw == 8191 || cw == 16383 ||
cw == 32767);
}
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 */
};
static int hostapd_config_tx_queue(struct hostapd_config *conf,
const char *name, const char *val)
{
int num;
const 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 ||
os_strncmp(pos, "beacon_", 7) == 0) {
wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
return 0;
} else {
wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
return -1;
}
if (num >= NUM_TX_QUEUES) {
/* for backwards compatibility, do not trigger failure */
wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
return 0;
}
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;
}