diff options
Diffstat (limited to 'contrib/hostapd/config.c')
-rw-r--r-- | contrib/hostapd/config.c | 1288 |
1 files changed, 1026 insertions, 262 deletions
diff --git a/contrib/hostapd/config.c b/contrib/hostapd/config.c index 016d9b9..d1b2ba3 100644 --- a/contrib/hostapd/config.c +++ b/contrib/hostapd/config.c @@ -1,7 +1,6 @@ /* - * Host AP (software wireless LAN access point) user space daemon for - * Host AP kernel driver / Configuration file - * Copyright (c) 2003-2005, Jouni Malinen <jkmaline@cc.hut.fi> + * hostapd / Configuration file + * Copyright (c) 2003-2006, 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 @@ -13,63 +12,230 @@ * See README and COPYING for more details. */ -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <netinet/in.h> -#include <string.h> -#include <sys/socket.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> +#include "includes.h" +#ifndef CONFIG_NATIVE_WINDOWS #include <grp.h> +#endif /* CONFIG_NATIVE_WINDOWS */ #include "hostapd.h" #include "driver.h" #include "sha1.h" #include "eap.h" #include "radius_client.h" -#include "ieee802_1x.h" /* XXX for EAPOL_VERSION */ +#include "wpa_common.h" -static struct hostapd_config *hostapd_config_defaults(void) +#define MAX_STA_COUNT 2007 + + +static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss, + const char *fname) { - struct hostapd_config *conf; + FILE *f; + char buf[128], *pos, *pos2; + int line = 0, vlan_id; + struct hostapd_vlan *vlan; - conf = malloc(sizeof(*conf) + sizeof(struct hostapd_radius_servers)); - if (conf == NULL) { + f = fopen(fname, "r"); + if (!f) { + printf("VLAN file '%s' not readable.\n", 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) { + printf("Invalid VLAN ID at line %d in '%s'\n", + 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' || strlen(pos) > IFNAMSIZ) { + printf("Invalid VLAN ifname at line %d in '%s'\n", + line, fname); + fclose(f); + return -1; + } + + vlan = malloc(sizeof(*vlan)); + if (vlan == NULL) { + printf("Out of memory while reading VLAN interfaces " + "from '%s'\n", fname); + fclose(f); + return -1; + } + + memset(vlan, 0, sizeof(*vlan)); + vlan->vlan_id = vlan_id; + strncpy(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; +} + + +static void hostapd_config_free_vlan(struct hostapd_bss_config *bss) +{ + struct hostapd_vlan *vlan, *prev; + + vlan = bss->vlan; + prev = NULL; + while (vlan) { + prev = vlan; + vlan = vlan->next; + free(prev); + } + + bss->vlan = NULL; +} + + +/* 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 = strchr(value, '.'); + d = 0; + if (pos) { + pos++; + if (*pos >= '0' && *pos <= '9') + d = *pos - '0'; + } + + return i * 10 + d; +} + + +static void hostapd_config_defaults_bss(struct hostapd_bss_config *bss) +{ + bss->logger_syslog_level = HOSTAPD_LEVEL_INFO; + bss->logger_stdout_level = HOSTAPD_LEVEL_INFO; + bss->logger_syslog = (unsigned int) -1; + bss->logger_stdout = (unsigned int) -1; + + bss->auth_algs = HOSTAPD_AUTH_OPEN | HOSTAPD_AUTH_SHARED_KEY; + + bss->wep_rekeying_period = 300; + /* use key0 in individual key and key1 in broadcast key */ + bss->broadcast_key_idx_min = 1; + bss->broadcast_key_idx_max = 2; + bss->eap_reauth_period = 3600; + + bss->wpa_group_rekey = 600; + bss->wpa_gmk_rekey = 86400; + bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK; + bss->wpa_pairwise = WPA_CIPHER_TKIP; + bss->wpa_group = WPA_CIPHER_TKIP; + + bss->max_num_sta = MAX_STA_COUNT; + + bss->dtim_period = 2; + + bss->radius_server_auth_port = 1812; + bss->ap_max_inactivity = AP_MAX_INACTIVITY; + bss->eapol_version = EAPOL_VERSION; +} + + +static struct hostapd_config * hostapd_config_defaults(void) +{ + struct hostapd_config *conf; + struct hostapd_bss_config *bss; + int i; + const int aCWmin = 15, aCWmax = 1024; + const struct hostapd_wme_ac_params ac_bk = + { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ + const struct hostapd_wme_ac_params ac_be = + { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ + const struct hostapd_wme_ac_params ac_vi = /* video traffic */ + { aCWmin >> 1, aCWmin, 2, 3000 / 32, 1 }; + const struct hostapd_wme_ac_params ac_vo = /* voice traffic */ + { aCWmin >> 2, aCWmin >> 1, 2, 1500 / 32, 1 }; + + conf = wpa_zalloc(sizeof(*conf)); + bss = wpa_zalloc(sizeof(*bss)); + if (conf == NULL || bss == NULL) { printf("Failed to allocate memory for configuration data.\n"); + free(conf); + free(bss); return NULL; } - memset(conf, 0, sizeof(*conf) + sizeof(struct hostapd_radius_servers)); - conf->radius = (struct hostapd_radius_servers *) (conf + 1); /* set default driver based on configuration */ conf->driver = driver_lookup("default"); if (conf->driver == NULL) { printf("No default driver registered!\n"); free(conf); + free(bss); return NULL; } - conf->wep_rekeying_period = 300; - conf->eap_reauth_period = 3600; + bss->radius = wpa_zalloc(sizeof(*bss->radius)); + if (bss->radius == NULL) { + free(conf); + free(bss); + return NULL; + } + + hostapd_config_defaults_bss(bss); - conf->logger_syslog_level = HOSTAPD_LEVEL_INFO; - conf->logger_stdout_level = HOSTAPD_LEVEL_INFO; - conf->logger_syslog = (unsigned int) -1; - conf->logger_stdout = (unsigned int) -1; + conf->num_bss = 1; + conf->bss = bss; - conf->auth_algs = HOSTAPD_AUTH_OPEN | HOSTAPD_AUTH_SHARED_KEY; - conf->eapol_version = EAPOL_VERSION; /* NB: default version */ + conf->beacon_int = 100; + conf->rts_threshold = -1; /* use driver default: 2347 */ + conf->fragm_threshold = -1; /* user driver default: 2346 */ + conf->send_probe_response = 1; + conf->bridge_packets = INTERNAL_BRIDGE_DO_NOT_CONTROL; - conf->wpa_group_rekey = 600; - conf->wpa_gmk_rekey = 86400; - conf->wpa_key_mgmt = WPA_KEY_MGMT_PSK; - conf->wpa_pairwise = WPA_CIPHER_TKIP; - conf->wpa_group = WPA_CIPHER_TKIP; + memcpy(conf->country, "US ", 3); - conf->radius_server_auth_port = 1812; + for (i = 0; i < NUM_TX_QUEUES; i++) + conf->tx_queue[i].aifs = -1; /* use hw default */ + + conf->wme_ac_params[0] = ac_be; + conf->wme_ac_params[1] = ac_bk; + conf->wme_ac_params[2] = ac_vi; + conf->wme_ac_params[3] = ac_vo; return conf; } @@ -93,12 +259,19 @@ static int hostapd_parse_ip_addr(const char *txt, struct hostapd_ip_addr *addr) } -static int mac_comp(const void *a, const void *b) +int hostapd_mac_comp(const void *a, const void *b) { return memcmp(a, b, sizeof(macaddr)); } +int hostapd_mac_comp_empty(const void *a) +{ + macaddr empty = { 0 }; + return memcmp(a, empty, sizeof(macaddr)); +} + + static int hostapd_config_read_maclist(const char *fname, macaddr **acl, int *num) { @@ -154,14 +327,14 @@ static int hostapd_config_read_maclist(const char *fname, macaddr **acl, fclose(f); - qsort(*acl, *num, sizeof(macaddr), mac_comp); + qsort(*acl, *num, sizeof(macaddr), hostapd_mac_comp); return 0; } static int hostapd_config_read_wpa_psk(const char *fname, - struct hostapd_config *conf) + struct hostapd_ssid *ssid) { FILE *f; char buf[128], *pos; @@ -201,13 +374,12 @@ static int hostapd_config_read_wpa_psk(const char *fname, break; } - psk = malloc(sizeof(*psk)); + psk = wpa_zalloc(sizeof(*psk)); if (psk == NULL) { printf("WPA PSK allocation failed\n"); ret = -1; break; } - memset(psk, 0, sizeof(*psk)); if (memcmp(addr, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0) psk->group = 1; else @@ -227,7 +399,7 @@ static int hostapd_config_read_wpa_psk(const char *fname, if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0) ok = 1; else if (len >= 8 && len < 64) { - pbkdf2_sha1(pos, conf->ssid, conf->ssid_len, + pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len, 4096, psk->psk, PMK_LEN); ok = 1; } @@ -239,8 +411,8 @@ static int hostapd_config_read_wpa_psk(const char *fname, break; } - psk->next = conf->wpa_psk; - conf->wpa_psk = psk; + psk->next = ssid->wpa_psk; + ssid->wpa_psk = psk; } fclose(f); @@ -249,42 +421,45 @@ static int hostapd_config_read_wpa_psk(const char *fname, } -int hostapd_setup_wpa_psk(struct hostapd_config *conf) +int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf) { - if (conf->wpa_passphrase != NULL) { - if (conf->wpa_psk != NULL) { + struct hostapd_ssid *ssid = &conf->ssid; + + if (ssid->wpa_passphrase != NULL) { + if (ssid->wpa_psk != NULL) { printf("Warning: both WPA PSK and passphrase set. " "Using passphrase.\n"); - free(conf->wpa_psk); + free(ssid->wpa_psk); } - conf->wpa_psk = malloc(sizeof(struct hostapd_wpa_psk)); - if (conf->wpa_psk == NULL) { + ssid->wpa_psk = wpa_zalloc(sizeof(struct hostapd_wpa_psk)); + if (ssid->wpa_psk == NULL) { printf("Unable to alloc space for PSK\n"); return -1; } wpa_hexdump_ascii(MSG_DEBUG, "SSID", - (u8 *) conf->ssid, conf->ssid_len); + (u8 *) ssid->ssid, ssid->ssid_len); wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)", - (u8 *) conf->wpa_passphrase, - strlen(conf->wpa_passphrase)); - memset(conf->wpa_psk, 0, sizeof(struct hostapd_wpa_psk)); - pbkdf2_sha1(conf->wpa_passphrase, - conf->ssid, conf->ssid_len, - 4096, conf->wpa_psk->psk, PMK_LEN); + (u8 *) ssid->wpa_passphrase, + strlen(ssid->wpa_passphrase)); + pbkdf2_sha1(ssid->wpa_passphrase, + ssid->ssid, ssid->ssid_len, + 4096, ssid->wpa_psk->psk, PMK_LEN); wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)", - conf->wpa_psk->psk, PMK_LEN); - conf->wpa_psk->group = 1; + ssid->wpa_psk->psk, PMK_LEN); + ssid->wpa_psk->group = 1; - memset(conf->wpa_passphrase, 0, strlen(conf->wpa_passphrase)); - free(conf->wpa_passphrase); - conf->wpa_passphrase = 0; + memset(ssid->wpa_passphrase, 0, + strlen(ssid->wpa_passphrase)); + free(ssid->wpa_passphrase); + ssid->wpa_passphrase = NULL; } - if (conf->wpa_psk_file) { - if (hostapd_config_read_wpa_psk(conf->wpa_psk_file, conf)) + if (ssid->wpa_psk_file) { + if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file, + &conf->ssid)) return -1; - free(conf->wpa_psk_file); - conf->wpa_psk_file = NULL; + free(ssid->wpa_psk_file); + ssid->wpa_psk_file = NULL; } return 0; @@ -293,7 +468,7 @@ int hostapd_setup_wpa_psk(struct hostapd_config *conf) #ifdef EAP_SERVER static int hostapd_config_read_eap_user(const char *fname, - struct hostapd_config *conf) + struct hostapd_bss_config *conf) { FILE *f; char buf[512], *pos, *start, *pos2; @@ -334,12 +509,11 @@ static int hostapd_config_read_eap_user(const char *fname, goto failed; } - user = malloc(sizeof(*user)); + user = wpa_zalloc(sizeof(*user)); if (user == NULL) { printf("EAP user allocation failed\n"); goto failed; } - memset(user, 0, sizeof(*user)); user->force_version = -1; if (buf[0] == '*') { @@ -363,6 +537,11 @@ static int hostapd_config_read_eap_user(const char *fname, } 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') @@ -385,12 +564,17 @@ static int hostapd_config_read_eap_user(const char *fname, } num_methods = 0; while (*start) { - char *pos2 = strchr(start, ','); - if (pos2) { - *pos2++ = '\0'; + char *pos3 = strchr(start, ','); + if (pos3) { + *pos3++ = '\0'; } - user->methods[num_methods] = eap_get_type(start); - if (user->methods[num_methods] == EAP_TYPE_NONE) { + user->methods[num_methods].method = + eap_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) + { printf("Unsupported EAP type '%s' on line %d " "in '%s'\n", start, line, fname); goto failed; @@ -399,9 +583,9 @@ static int hostapd_config_read_eap_user(const char *fname, num_methods++; if (num_methods >= EAP_USER_MAX_METHODS) break; - if (pos2 == NULL) + if (pos3 == NULL) break; - start = pos2; + start = pos3; } if (num_methods == 0) { printf("No EAP types configured on line %d in '%s'\n", @@ -453,6 +637,31 @@ static int hostapd_config_read_eap_user(const char *fname, user->password_len = pos - start; pos++; + } else if (strncmp(pos, "hash:", 5) == 0) { + pos += 5; + pos2 = pos; + while (*pos2 != '\0' && *pos2 != ' ' && + *pos2 != '\t' && *pos2 != '#') + pos2++; + if (pos2 - pos != 32) { + printf("Invalid password hash on line %d in " + "'%s'\n", line, fname); + goto failed; + } + user->password = malloc(16); + if (user->password == NULL) { + printf("Failed to allocate memory for EAP " + "password hash\n"); + goto failed; + } + if (hexstr2bin(pos, user->password, 16) < 0) { + printf("Invalid hash password on line %d in " + "'%s'\n", line, fname); + goto failed; + } + user->password_len = 16; + user->password_hash = 1; + pos = pos2; } else { pos2 = pos; while (*pos2 != '\0' && *pos2 != ' ' && @@ -496,6 +705,7 @@ static int hostapd_config_read_eap_user(const char *fname, failed: if (user) { + free(user->password); free(user->identity); free(user); } @@ -562,7 +772,8 @@ static int hostapd_config_parse_key_mgmt(int line, const char *value) else if (strcmp(start, "WPA-EAP") == 0) val |= WPA_KEY_MGMT_IEEE8021X; else { - printf("Line %d: invalid key_mgmt '%s'", line, start); + printf("Line %d: invalid key_mgmt '%s'\n", + line, start); free(buf); return -1; } @@ -574,7 +785,7 @@ static int hostapd_config_parse_key_mgmt(int line, const char *value) free(buf); if (val == 0) { - printf("Line %d: no key_mgmt values configured.", line); + printf("Line %d: no key_mgmt values configured.\n", line); return -1; } @@ -632,23 +843,308 @@ static int hostapd_config_parse_cipher(int line, const char *value) } -static int hostapd_config_check(struct hostapd_config *conf) +static int hostapd_config_check_bss(struct hostapd_bss_config *bss, + struct hostapd_config *conf) { - if (conf->ieee802_1x && !conf->eap_server && - !conf->radius->auth_servers) { + if (bss->ieee802_1x && !bss->eap_server && + !bss->radius->auth_servers) { printf("Invalid IEEE 802.1X configuration (no EAP " "authenticator configured).\n"); return -1; } - if (conf->wpa && (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) && - conf->wpa_psk == NULL && conf->wpa_passphrase == NULL && - conf->wpa_psk_file == NULL) { + 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) { printf("WPA-PSK enabled, but PSK or passphrase is not " "configured.\n"); 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)) { + printf("Duplicate BSSID " MACSTR + " on interface '%s' and '%s'.\n", + MAC2STR(bss->bssid), + conf->bss[i].iface, bss->iface); + return -1; + } + } + } + + return 0; +} + + +static int hostapd_config_check(struct hostapd_config *conf) +{ + size_t i; + + for (i = 0; i < conf->num_bss; i++) { + if (hostapd_config_check_bss(&conf->bss[i], conf)) + return -1; + } + + return 0; +} + + +static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx, + char *val) +{ + size_t len = 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] = malloc(len); + if (wep->key[keyidx] == NULL) + return -1; + memcpy(wep->key[keyidx], val + 1, len); + wep->len[keyidx] = len; + } else { + if (len & 1) + return -1; + len /= 2; + wep->key[keyidx] = 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; + + free(*rate_list); + *rate_list = NULL; + + pos = val; + count = 0; + while (*pos != '\0') { + if (*pos == ' ') + count++; + pos++; + } + + list = malloc(sizeof(int) * (count + 2)); + if (list == NULL) + return -1; + pos = val; + count = 0; + while (*pos != '\0') { + end = 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 = realloc(conf->bss, (conf->num_bss + 1) * + sizeof(struct hostapd_bss_config)); + if (bss == NULL) { + printf("Failed to allocate memory for multi-BSS entry\n"); + return -1; + } + conf->bss = bss; + + bss = &(conf->bss[conf->num_bss]); + memset(bss, 0, sizeof(*bss)); + bss->radius = wpa_zalloc(sizeof(*bss->radius)); + if (bss->radius == NULL) { + printf("Failed to allocate memory for multi-BSS RADIUS " + "data\n"); + return -1; + } + + conf->num_bss++; + conf->last_bss = bss; + + hostapd_config_defaults_bss(bss); + snprintf(bss->iface, sizeof(bss->iface), "%s", ifname); + memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1); + + return 0; +} + + +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 (strncmp(pos, "data", 4) == 0 && + pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') { + num = pos[4] - '0'; + pos += 6; + } else if (strncmp(pos, "after_beacon_", 13) == 0) { + num = IEEE80211_TX_QUEUE_AFTER_BEACON; + pos += 13; + } else if (strncmp(pos, "beacon_", 7) == 0) { + num = IEEE80211_TX_QUEUE_BEACON; + pos += 7; + } else { + printf("Unknown tx_queue name '%s'\n", pos); + return -1; + } + + queue = &conf->tx_queue[num]; + + if (strcmp(pos, "aifs") == 0) { + queue->aifs = atoi(val); + if (queue->aifs < 0 || queue->aifs > 255) { + printf("Invalid AIFS value %d\n", queue->aifs); + return -1; + } + } else if (strcmp(pos, "cwmin") == 0) { + queue->cwmin = atoi(val); + if (!valid_cw(queue->cwmin)) { + printf("Invalid cwMin value %d\n", queue->cwmin); + return -1; + } + } else if (strcmp(pos, "cwmax") == 0) { + queue->cwmax = atoi(val); + if (!valid_cw(queue->cwmax)) { + printf("Invalid cwMax value %d\n", queue->cwmax); + return -1; + } + } else if (strcmp(pos, "burst") == 0) { + queue->burst = hostapd_config_read_int10(val); + } else { + printf("Unknown tx_queue field '%s'\n", pos); + return -1; + } + + queue->configured = 1; + + return 0; +} + + +static int hostapd_config_wme_ac(struct hostapd_config *conf, char *name, + char *val) +{ + int num, v; + char *pos; + struct hostapd_wme_ac_params *ac; + + /* skip 'wme_ac_' prefix */ + pos = name + 7; + if (strncmp(pos, "be_", 3) == 0) { + num = 0; + pos += 3; + } else if (strncmp(pos, "bk_", 3) == 0) { + num = 1; + pos += 3; + } else if (strncmp(pos, "vi_", 3) == 0) { + num = 2; + pos += 3; + } else if (strncmp(pos, "vo_", 3) == 0) { + num = 3; + pos += 3; + } else { + printf("Unknown wme name '%s'\n", pos); + return -1; + } + + ac = &conf->wme_ac_params[num]; + + if (strcmp(pos, "aifs") == 0) { + v = atoi(val); + if (v < 1 || v > 255) { + printf("Invalid AIFS value %d\n", v); + return -1; + } + ac->aifs = v; + } else if (strcmp(pos, "cwmin") == 0) { + v = atoi(val); + if (v < 0 || v > 12) { + printf("Invalid cwMin value %d\n", v); + return -1; + } + ac->cwmin = v; + } else if (strcmp(pos, "cwmax") == 0) { + v = atoi(val); + if (v < 0 || v > 12) { + printf("Invalid cwMax value %d\n", v); + return -1; + } + ac->cwmax = v; + } else if (strcmp(pos, "txop_limit") == 0) { + v = atoi(val); + if (v < 0 || v > 0xffff) { + printf("Invalid txop value %d\n", v); + return -1; + } + ac->txopLimit = v; + } else if (strcmp(pos, "acm") == 0) { + v = atoi(val); + if (v < 0 || v > 1) { + printf("Invalid acm value %d\n", v); + return -1; + } + ac->admission_control_mandatory = v; + } else { + printf("Unknown wme_ac_ field '%s'\n", pos); + return -1; + } + return 0; } @@ -656,14 +1152,12 @@ static int hostapd_config_check(struct hostapd_config *conf) 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; - char *accept_mac_file = NULL, *deny_mac_file = NULL; -#ifdef EAP_SERVER - char *eap_user_file = NULL; -#endif /* EAP_SERVER */ + size_t i; f = fopen(fname, "r"); if (f == NULL) { @@ -677,8 +1171,10 @@ struct hostapd_config * hostapd_config_read(const char *fname) fclose(f); return NULL; } + bss = conf->last_bss = conf->bss; while (fgets(buf, sizeof(buf), f)) { + bss = conf->last_bss; line++; if (buf[0] == '#') @@ -704,10 +1200,10 @@ struct hostapd_config * hostapd_config_read(const char *fname) pos++; if (strcmp(buf, "interface") == 0) { - snprintf(conf->iface, sizeof(conf->iface), "%s", pos); + snprintf(conf->bss[0].iface, + sizeof(conf->bss[0].iface), "%s", pos); } else if (strcmp(buf, "bridge") == 0) { - snprintf(conf->bridge, sizeof(conf->bridge), "%s", - pos); + snprintf(bss->bridge, sizeof(bss->bridge), "%s", pos); } else if (strcmp(buf, "driver") == 0) { conf->driver = driver_lookup(pos); if (conf->driver == NULL) { @@ -716,185 +1212,199 @@ struct hostapd_config * hostapd_config_read(const char *fname) errors++; } } else if (strcmp(buf, "debug") == 0) { - conf->debug = atoi(pos); + bss->debug = atoi(pos); } else if (strcmp(buf, "logger_syslog_level") == 0) { - conf->logger_syslog_level = atoi(pos); + bss->logger_syslog_level = atoi(pos); } else if (strcmp(buf, "logger_stdout_level") == 0) { - conf->logger_stdout_level = atoi(pos); + bss->logger_stdout_level = atoi(pos); } else if (strcmp(buf, "logger_syslog") == 0) { - conf->logger_syslog = atoi(pos); + bss->logger_syslog = atoi(pos); } else if (strcmp(buf, "logger_stdout") == 0) { - conf->logger_stdout = atoi(pos); + bss->logger_stdout = atoi(pos); } else if (strcmp(buf, "dump_file") == 0) { - conf->dump_log_name = strdup(pos); + bss->dump_log_name = strdup(pos); } else if (strcmp(buf, "ssid") == 0) { - conf->ssid_len = strlen(pos); - if (conf->ssid_len >= HOSTAPD_SSID_LEN || - conf->ssid_len < 1) { + bss->ssid.ssid_len = strlen(pos); + if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN || + bss->ssid.ssid_len < 1) { printf("Line %d: invalid SSID '%s'\n", line, pos); errors++; + } else { + memcpy(bss->ssid.ssid, pos, + bss->ssid.ssid_len); + bss->ssid.ssid[bss->ssid.ssid_len] = '\0'; + bss->ssid.ssid_set = 1; } - memcpy(conf->ssid, pos, conf->ssid_len); - conf->ssid[conf->ssid_len] = '\0'; - conf->ssid_set = 1; } else if (strcmp(buf, "macaddr_acl") == 0) { - conf->macaddr_acl = atoi(pos); - if (conf->macaddr_acl != ACCEPT_UNLESS_DENIED && - conf->macaddr_acl != DENY_UNLESS_ACCEPTED && - conf->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) { + 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) { printf("Line %d: unknown macaddr_acl %d\n", - line, conf->macaddr_acl); + line, bss->macaddr_acl); } } else if (strcmp(buf, "accept_mac_file") == 0) { - accept_mac_file = strdup(pos); - if (!accept_mac_file) { - printf("Line %d: allocation failed\n", line); + if (hostapd_config_read_maclist(pos, &bss->accept_mac, + &bss->num_accept_mac)) + { + printf("Line %d: Failed to read " + "accept_mac_file '%s'\n", + line, pos); errors++; } } else if (strcmp(buf, "deny_mac_file") == 0) { - deny_mac_file = strdup(pos); - if (!deny_mac_file) { - printf("Line %d: allocation failed\n", line); + if (hostapd_config_read_maclist(pos, &bss->deny_mac, + &bss->num_deny_mac)) + { + printf("Line %d: Failed to read " + "deny_mac_file '%s'\n", + line, pos); errors++; } + } else if (strcmp(buf, "ap_max_inactivity") == 0) { + bss->ap_max_inactivity = atoi(pos); + } else if (strcmp(buf, "country_code") == 0) { + memcpy(conf->country, pos, 2); + /* FIX: make this configurable */ + conf->country[2] = ' '; + } else if (strcmp(buf, "ieee80211d") == 0) { + conf->ieee80211d = atoi(pos); + } else if (strcmp(buf, "ieee80211h") == 0) { + conf->ieee80211h = atoi(pos); } else if (strcmp(buf, "assoc_ap_addr") == 0) { - if (hwaddr_aton(pos, conf->assoc_ap_addr)) { + if (hwaddr_aton(pos, bss->assoc_ap_addr)) { printf("Line %d: invalid MAC address '%s'\n", line, pos); errors++; } - conf->assoc_ap = 1; + bss->assoc_ap = 1; } else if (strcmp(buf, "ieee8021x") == 0) { - conf->ieee802_1x = atoi(pos); + bss->ieee802_1x = atoi(pos); + } else if (strcmp(buf, "eapol_version") == 0) { + bss->eapol_version = atoi(pos); + if (bss->eapol_version < 1 || + bss->eapol_version > 2) { + printf("Line %d: invalid EAPOL " + "version (%d): '%s'.\n", + line, bss->eapol_version, pos); + errors++; + } else + wpa_printf(MSG_DEBUG, "eapol_version=%d", + bss->eapol_version); #ifdef EAP_SERVER } else if (strcmp(buf, "eap_authenticator") == 0) { - conf->eap_server = atoi(pos); + bss->eap_server = atoi(pos); printf("Line %d: obsolete eap_authenticator used; " "this has been renamed to eap_server\n", line); } else if (strcmp(buf, "eap_server") == 0) { - conf->eap_server = atoi(pos); + bss->eap_server = atoi(pos); } else if (strcmp(buf, "eap_user_file") == 0) { - free(eap_user_file); - eap_user_file = strdup(pos); - if (!eap_user_file) { - printf("Line %d: allocation failed\n", line); + if (hostapd_config_read_eap_user(pos, bss)) errors++; - } } else if (strcmp(buf, "ca_cert") == 0) { - free(conf->ca_cert); - conf->ca_cert = strdup(pos); + free(bss->ca_cert); + bss->ca_cert = strdup(pos); } else if (strcmp(buf, "server_cert") == 0) { - free(conf->server_cert); - conf->server_cert = strdup(pos); + free(bss->server_cert); + bss->server_cert = strdup(pos); } else if (strcmp(buf, "private_key") == 0) { - free(conf->private_key); - conf->private_key = strdup(pos); + free(bss->private_key); + bss->private_key = strdup(pos); } else if (strcmp(buf, "private_key_passwd") == 0) { - free(conf->private_key_passwd); - conf->private_key_passwd = strdup(pos); + free(bss->private_key_passwd); + bss->private_key_passwd = strdup(pos); } else if (strcmp(buf, "check_crl") == 0) { - conf->check_crl = atoi(pos); + bss->check_crl = atoi(pos); #ifdef EAP_SIM } else if (strcmp(buf, "eap_sim_db") == 0) { - free(conf->eap_sim_db); - conf->eap_sim_db = strdup(pos); + free(bss->eap_sim_db); + bss->eap_sim_db = strdup(pos); #endif /* EAP_SIM */ #endif /* EAP_SERVER */ } else if (strcmp(buf, "eap_message") == 0) { char *term; - conf->eap_req_id_text = strdup(pos); - if (conf->eap_req_id_text == NULL) { + bss->eap_req_id_text = strdup(pos); + if (bss->eap_req_id_text == NULL) { printf("Line %d: Failed to allocate memory " "for eap_req_id_text\n", line); errors++; continue; } - conf->eap_req_id_text_len = - strlen(conf->eap_req_id_text); - term = strstr(conf->eap_req_id_text, "\\0"); + bss->eap_req_id_text_len = + strlen(bss->eap_req_id_text); + term = strstr(bss->eap_req_id_text, "\\0"); if (term) { *term++ = '\0'; memmove(term, term + 1, - conf->eap_req_id_text_len - - (term - conf->eap_req_id_text) - 1); - conf->eap_req_id_text_len--; + bss->eap_req_id_text_len - + (term - bss->eap_req_id_text) - 1); + bss->eap_req_id_text_len--; } } else if (strcmp(buf, "wep_key_len_broadcast") == 0) { - conf->default_wep_key_len = atoi(pos); - if (conf->default_wep_key_len > 13) { + bss->default_wep_key_len = atoi(pos); + if (bss->default_wep_key_len > 13) { printf("Line %d: invalid WEP key len %lu " "(= %lu bits)\n", line, (unsigned long) - conf->default_wep_key_len, + bss->default_wep_key_len, (unsigned long) - conf->default_wep_key_len * 8); + bss->default_wep_key_len * 8); errors++; } } else if (strcmp(buf, "wep_key_len_unicast") == 0) { - conf->individual_wep_key_len = atoi(pos); - if (conf->individual_wep_key_len < 0 || - conf->individual_wep_key_len > 13) { + bss->individual_wep_key_len = atoi(pos); + if (bss->individual_wep_key_len < 0 || + bss->individual_wep_key_len > 13) { printf("Line %d: invalid WEP key len %d " "(= %d bits)\n", line, - conf->individual_wep_key_len, - conf->individual_wep_key_len * 8); + bss->individual_wep_key_len, + bss->individual_wep_key_len * 8); errors++; } } else if (strcmp(buf, "wep_rekey_period") == 0) { - conf->wep_rekeying_period = atoi(pos); - if (conf->wep_rekeying_period < 0) { + bss->wep_rekeying_period = atoi(pos); + if (bss->wep_rekeying_period < 0) { printf("Line %d: invalid period %d\n", - line, conf->wep_rekeying_period); + line, bss->wep_rekeying_period); errors++; } } else if (strcmp(buf, "eap_reauth_period") == 0) { - conf->eap_reauth_period = atoi(pos); - if (conf->eap_reauth_period < 0) { + bss->eap_reauth_period = atoi(pos); + if (bss->eap_reauth_period < 0) { printf("Line %d: invalid period %d\n", - line, conf->eap_reauth_period); + line, bss->eap_reauth_period); errors++; } } else if (strcmp(buf, "eapol_key_index_workaround") == 0) { - conf->eapol_key_index_workaround = atoi(pos); - } else if (strcmp(buf, "eapol_version") == 0) { - conf->eapol_version = atoi(pos); - if (conf->eapol_version < 1 || - conf->eapol_version > 2) { - printf("Line %d: invalid EAPOL " - "version (%d): '%s'.\n", - line, conf->eapol_version, pos); - errors++; - } else - wpa_printf(MSG_DEBUG, "eapol_version=%d", - conf->eapol_version); + bss->eapol_key_index_workaround = atoi(pos); #ifdef CONFIG_IAPP } else if (strcmp(buf, "iapp_interface") == 0) { - conf->ieee802_11f = 1; - snprintf(conf->iapp_iface, sizeof(conf->iapp_iface), + bss->ieee802_11f = 1; + snprintf(bss->iapp_iface, sizeof(bss->iapp_iface), "%s", pos); #endif /* CONFIG_IAPP */ } else if (strcmp(buf, "own_ip_addr") == 0) { - if (hostapd_parse_ip_addr(pos, &conf->own_ip_addr)) { + if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) { printf("Line %d: invalid IP address '%s'\n", line, pos); errors++; } } else if (strcmp(buf, "nas_identifier") == 0) { - conf->nas_identifier = strdup(pos); + bss->nas_identifier = strdup(pos); } else if (strcmp(buf, "auth_server_addr") == 0) { if (hostapd_config_read_radius_addr( - &conf->radius->auth_servers, - &conf->radius->num_auth_servers, pos, 1812, - &conf->radius->auth_server)) { + &bss->radius->auth_servers, + &bss->radius->num_auth_servers, pos, 1812, + &bss->radius->auth_server)) { printf("Line %d: invalid IP address '%s'\n", line, pos); errors++; } - } else if (conf->radius->auth_server && + } else if (bss->radius->auth_server && strcmp(buf, "auth_server_port") == 0) { - conf->radius->auth_server->port = atoi(pos); - } else if (conf->radius->auth_server && + bss->radius->auth_server->port = atoi(pos); + } else if (bss->radius->auth_server && strcmp(buf, "auth_server_shared_secret") == 0) { int len = strlen(pos); if (len == 0) { @@ -903,22 +1413,22 @@ struct hostapd_config * hostapd_config_read(const char *fname) "allowed.\n", line); errors++; } - conf->radius->auth_server->shared_secret = + bss->radius->auth_server->shared_secret = (u8 *) strdup(pos); - conf->radius->auth_server->shared_secret_len = len; + bss->radius->auth_server->shared_secret_len = len; } else if (strcmp(buf, "acct_server_addr") == 0) { if (hostapd_config_read_radius_addr( - &conf->radius->acct_servers, - &conf->radius->num_acct_servers, pos, 1813, - &conf->radius->acct_server)) { + &bss->radius->acct_servers, + &bss->radius->num_acct_servers, pos, 1813, + &bss->radius->acct_server)) { printf("Line %d: invalid IP address '%s'\n", line, pos); errors++; } - } else if (conf->radius->acct_server && + } else if (bss->radius->acct_server && strcmp(buf, "acct_server_port") == 0) { - conf->radius->acct_server->port = atoi(pos); - } else if (conf->radius->acct_server && + bss->radius->acct_server->port = atoi(pos); + } else if (bss->radius->acct_server && strcmp(buf, "acct_server_shared_secret") == 0) { int len = strlen(pos); if (len == 0) { @@ -927,29 +1437,38 @@ struct hostapd_config * hostapd_config_read(const char *fname) "allowed.\n", line); errors++; } - conf->radius->acct_server->shared_secret = + bss->radius->acct_server->shared_secret = (u8 *) strdup(pos); - conf->radius->acct_server->shared_secret_len = len; + bss->radius->acct_server->shared_secret_len = len; } else if (strcmp(buf, "radius_retry_primary_interval") == 0) { - conf->radius->retry_primary_interval = atoi(pos); + bss->radius->retry_primary_interval = atoi(pos); } else if (strcmp(buf, "radius_acct_interim_interval") == 0) { - conf->radius->acct_interim_interval = atoi(pos); + bss->radius->acct_interim_interval = atoi(pos); } else if (strcmp(buf, "auth_algs") == 0) { - conf->auth_algs = atoi(pos); - if (conf->auth_algs == 0) { + bss->auth_algs = atoi(pos); + if (bss->auth_algs == 0) { printf("Line %d: no authentication algorithms " "allowed\n", line); errors++; } + } else if (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) { + printf("Line %d: Invalid max_num_sta=%d; " + "allowed range 0..%d\n", line, + bss->max_num_sta, MAX_STA_COUNT); + errors++; + } } else if (strcmp(buf, "wpa") == 0) { - conf->wpa = atoi(pos); + bss->wpa = atoi(pos); } else if (strcmp(buf, "wpa_group_rekey") == 0) { - conf->wpa_group_rekey = atoi(pos); + bss->wpa_group_rekey = atoi(pos); } else if (strcmp(buf, "wpa_strict_rekey") == 0) { - conf->wpa_strict_rekey = atoi(pos); + bss->wpa_strict_rekey = atoi(pos); } else if (strcmp(buf, "wpa_gmk_rekey") == 0) { - conf->wpa_gmk_rekey = atoi(pos); + bss->wpa_gmk_rekey = atoi(pos); } else if (strcmp(buf, "wpa_passphrase") == 0) { int len = strlen(pos); if (len < 8 || len > 63) { @@ -957,106 +1476,253 @@ struct hostapd_config * hostapd_config_read(const char *fname) " %d (expected 8..63)\n", line, len); errors++; } else { - free(conf->wpa_passphrase); - conf->wpa_passphrase = strdup(pos); + free(bss->ssid.wpa_passphrase); + bss->ssid.wpa_passphrase = strdup(pos); } } else if (strcmp(buf, "wpa_psk") == 0) { - free(conf->wpa_psk); - conf->wpa_psk = malloc(sizeof(struct hostapd_wpa_psk)); - if (conf->wpa_psk) { - memset(conf->wpa_psk, 0, - sizeof(struct hostapd_wpa_psk)); - } - if (conf->wpa_psk == NULL) + free(bss->ssid.wpa_psk); + bss->ssid.wpa_psk = + wpa_zalloc(sizeof(struct hostapd_wpa_psk)); + if (bss->ssid.wpa_psk == NULL) errors++; - else if (hexstr2bin(pos, conf->wpa_psk->psk, PMK_LEN) - || pos[PMK_LEN * 2] != '\0') { + else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, + PMK_LEN) || + pos[PMK_LEN * 2] != '\0') { printf("Line %d: Invalid PSK '%s'.\n", line, pos); errors++; } else { - conf->wpa_psk->group = 1; + bss->ssid.wpa_psk->group = 1; } } else if (strcmp(buf, "wpa_psk_file") == 0) { - free(conf->wpa_psk_file); - conf->wpa_psk_file = strdup(pos); - if (!conf->wpa_psk_file) { + free(bss->ssid.wpa_psk_file); + bss->ssid.wpa_psk_file = strdup(pos); + if (!bss->ssid.wpa_psk_file) { printf("Line %d: allocation failed\n", line); errors++; } } else if (strcmp(buf, "wpa_key_mgmt") == 0) { - conf->wpa_key_mgmt = + bss->wpa_key_mgmt = hostapd_config_parse_key_mgmt(line, pos); - if (conf->wpa_key_mgmt == -1) + if (bss->wpa_key_mgmt == -1) errors++; } else if (strcmp(buf, "wpa_pairwise") == 0) { - conf->wpa_pairwise = + bss->wpa_pairwise = hostapd_config_parse_cipher(line, pos); - if (conf->wpa_pairwise == -1 || - conf->wpa_pairwise == 0) + if (bss->wpa_pairwise == -1 || + bss->wpa_pairwise == 0) errors++; - else if (conf->wpa_pairwise & + else if (bss->wpa_pairwise & (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) { printf("Line %d: unsupported pairwise " "cipher suite '%s'\n", - conf->wpa_pairwise, pos); + bss->wpa_pairwise, pos); errors++; } else { - if (conf->wpa_pairwise & WPA_CIPHER_TKIP) - conf->wpa_group = WPA_CIPHER_TKIP; + if (bss->wpa_pairwise & WPA_CIPHER_TKIP) + bss->wpa_group = WPA_CIPHER_TKIP; else - conf->wpa_group = WPA_CIPHER_CCMP; + bss->wpa_group = WPA_CIPHER_CCMP; } #ifdef CONFIG_RSN_PREAUTH } else if (strcmp(buf, "rsn_preauth") == 0) { - conf->rsn_preauth = atoi(pos); + bss->rsn_preauth = atoi(pos); } else if (strcmp(buf, "rsn_preauth_interfaces") == 0) { - conf->rsn_preauth_interfaces = strdup(pos); + bss->rsn_preauth_interfaces = strdup(pos); #endif /* CONFIG_RSN_PREAUTH */ +#ifdef CONFIG_PEERKEY + } else if (strcmp(buf, "peerkey") == 0) { + bss->peerkey = atoi(pos); +#endif /* CONFIG_PEERKEY */ } else if (strcmp(buf, "ctrl_interface") == 0) { - free(conf->ctrl_interface); - conf->ctrl_interface = strdup(pos); + free(bss->ctrl_interface); + bss->ctrl_interface = strdup(pos); } else if (strcmp(buf, "ctrl_interface_group") == 0) { +#ifndef CONFIG_NATIVE_WINDOWS struct group *grp; char *endp; const char *group = pos; grp = getgrnam(group); if (grp) { - conf->ctrl_interface_gid = grp->gr_gid; - conf->ctrl_interface_gid_set = 1; + 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')", - conf->ctrl_interface_gid, group); + bss->ctrl_interface_gid, group); continue; } /* Group name not found - try to parse this as gid */ - conf->ctrl_interface_gid = strtol(group, &endp, 10); + 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; } - conf->ctrl_interface_gid_set = 1; + bss->ctrl_interface_gid_set = 1; wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d", - conf->ctrl_interface_gid); + bss->ctrl_interface_gid); +#endif /* CONFIG_NATIVE_WINDOWS */ #ifdef RADIUS_SERVER } else if (strcmp(buf, "radius_server_clients") == 0) { - free(conf->radius_server_clients); - conf->radius_server_clients = strdup(pos); + free(bss->radius_server_clients); + bss->radius_server_clients = strdup(pos); } else if (strcmp(buf, "radius_server_auth_port") == 0) { - conf->radius_server_auth_port = atoi(pos); + bss->radius_server_auth_port = atoi(pos); } else if (strcmp(buf, "radius_server_ipv6") == 0) { - conf->radius_server_ipv6 = atoi(pos); + bss->radius_server_ipv6 = atoi(pos); #endif /* RADIUS_SERVER */ } else if (strcmp(buf, "test_socket") == 0) { - free(conf->test_socket); - conf->test_socket = strdup(pos); + free(bss->test_socket); + bss->test_socket = strdup(pos); } else if (strcmp(buf, "use_pae_group_addr") == 0) { - conf->use_pae_group_addr = atoi(pos); + bss->use_pae_group_addr = atoi(pos); + } else if (strcmp(buf, "hw_mode") == 0) { + if (strcmp(pos, "a") == 0) + conf->hw_mode = HOSTAPD_MODE_IEEE80211A; + else if (strcmp(pos, "b") == 0) + conf->hw_mode = HOSTAPD_MODE_IEEE80211B; + else if (strcmp(pos, "g") == 0) + conf->hw_mode = HOSTAPD_MODE_IEEE80211G; + else { + printf("Line %d: unknown hw_mode '%s'\n", + line, pos); + errors++; + } + } else if (strcmp(buf, "channel") == 0) { + conf->channel = atoi(pos); + } else if (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) { + printf("Line %d: invalid beacon_int %d " + "(expected 15..65535)\n", + line, val); + errors++; + } else + conf->beacon_int = val; + } else if (strcmp(buf, "dtim_period") == 0) { + bss->dtim_period = atoi(pos); + if (bss->dtim_period < 1 || bss->dtim_period > 255) { + printf("Line %d: invalid dtim_period %d\n", + line, bss->dtim_period); + errors++; + } + } else if (strcmp(buf, "rts_threshold") == 0) { + conf->rts_threshold = atoi(pos); + if (conf->rts_threshold < 0 || + conf->rts_threshold > 2347) { + printf("Line %d: invalid rts_threshold %d\n", + line, conf->rts_threshold); + errors++; + } + } else if (strcmp(buf, "fragm_threshold") == 0) { + conf->fragm_threshold = atoi(pos); + if (conf->fragm_threshold < 256 || + conf->fragm_threshold > 2346) { + printf("Line %d: invalid fragm_threshold %d\n", + line, conf->fragm_threshold); + errors++; + } + } else if (strcmp(buf, "send_probe_response") == 0) { + int val = atoi(pos); + if (val != 0 && val != 1) { + printf("Line %d: invalid send_probe_response " + "%d (expected 0 or 1)\n", line, val); + } else + conf->send_probe_response = val; + } else if (strcmp(buf, "supported_rates") == 0) { + if (hostapd_parse_rates(&conf->supported_rates, pos)) { + printf("Line %d: invalid rate list\n", line); + errors++; + } + } else if (strcmp(buf, "basic_rates") == 0) { + if (hostapd_parse_rates(&conf->basic_rates, pos)) { + printf("Line %d: invalid rate list\n", line); + errors++; + } + } else if (strcmp(buf, "ignore_broadcast_ssid") == 0) { + bss->ignore_broadcast_ssid = atoi(pos); + } else if (strcmp(buf, "bridge_packets") == 0) { + conf->bridge_packets = atoi(pos); + } else if (strcmp(buf, "wep_default_key") == 0) { + bss->ssid.wep.idx = atoi(pos); + if (bss->ssid.wep.idx > 3) { + printf("Invalid wep_default_key index %d\n", + bss->ssid.wep.idx); + errors++; + } + } else if (strcmp(buf, "wep_key0") == 0 || + strcmp(buf, "wep_key1") == 0 || + strcmp(buf, "wep_key2") == 0 || + strcmp(buf, "wep_key3") == 0) { + if (hostapd_config_read_wep(&bss->ssid.wep, + buf[7] - '0', pos)) { + printf("Line %d: invalid WEP key '%s'\n", + line, buf); + errors++; + } + } else if (strcmp(buf, "dynamic_vlan") == 0) { + bss->ssid.dynamic_vlan = atoi(pos); + } else if (strcmp(buf, "vlan_file") == 0) { + if (hostapd_config_read_vlan_file(bss, pos)) { + printf("Line %d: failed to read VLAN file " + "'%s'\n", line, pos); + errors++; + } +#ifdef CONFIG_FULL_DYNAMIC_VLAN + } else if (strcmp(buf, "vlan_tagged_interface") == 0) { + bss->ssid.vlan_tagged_interface = strdup(pos); +#endif /* CONFIG_FULL_DYNAMIC_VLAN */ + } else if (strcmp(buf, "passive_scan_interval") == 0) { + conf->passive_scan_interval = atoi(pos); + } else if (strcmp(buf, "passive_scan_listen") == 0) { + conf->passive_scan_listen = atoi(pos); + } else if (strcmp(buf, "passive_scan_mode") == 0) { + conf->passive_scan_mode = atoi(pos); + } else if (strcmp(buf, "ap_table_max_size") == 0) { + conf->ap_table_max_size = atoi(pos); + } else if (strcmp(buf, "ap_table_expiration_time") == 0) { + conf->ap_table_expiration_time = atoi(pos); + } else if (strncmp(buf, "tx_queue_", 9) == 0) { + if (hostapd_config_tx_queue(conf, buf, pos)) { + printf("Line %d: invalid TX queue item\n", + line); + errors++; + } + } else if (strcmp(buf, "wme_enabled") == 0) { + bss->wme_enabled = atoi(pos); + } else if (strncmp(buf, "wme_ac_", 7) == 0) { + if (hostapd_config_wme_ac(conf, buf, pos)) { + printf("Line %d: invalid wme ac item\n", + line); + errors++; + } + } else if (strcmp(buf, "bss") == 0) { + if (hostapd_config_bss(conf, pos)) { + printf("Line %d: invalid bss item\n", line); + errors++; + } + } else if (strcmp(buf, "bssid") == 0) { + if (bss == conf->bss) { + printf("Line %d: bssid item not allowed " + "for the default interface\n", line); + errors++; + } else if (hwaddr_aton(pos, bss->bssid)) { + printf("Line %d: invalid bssid item\n", line); + errors++; + } +#ifdef CONFIG_IEEE80211W + } else if (strcmp(buf, "ieee80211w") == 0) { + bss->ieee80211w = atoi(pos); +#endif /* CONFIG_IEEE80211W */ } else { printf("Line %d: unknown configuration item '%s'\n", line, buf); @@ -1066,23 +1732,30 @@ struct hostapd_config * hostapd_config_read(const char *fname) fclose(f); - if (hostapd_config_read_maclist(accept_mac_file, &conf->accept_mac, - &conf->num_accept_mac)) - errors++; - free(accept_mac_file); - if (hostapd_config_read_maclist(deny_mac_file, &conf->deny_mac, - &conf->num_deny_mac)) - errors++; - free(deny_mac_file); - -#ifdef EAP_SERVER - if (hostapd_config_read_eap_user(eap_user_file, conf)) - errors++; - free(eap_user_file); -#endif /* EAP_SERVER */ + 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; + } - conf->radius->auth_server = conf->radius->auth_servers; - conf->radius->acct_server = conf->radius->acct_servers; + for (i = 0; i < conf->num_bss; i++) { + bss = &conf->bss[i]; + + 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++; @@ -1098,6 +1771,20 @@ struct hostapd_config * hostapd_config_read(const char *fname) } +int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b) +{ + int i; + + if (a->idx != b->idx || a->default_len != b->default_len) + return 1; + for (i = 0; i < NUM_WEP_KEYS; i++) + if (a->len[i] != b->len[i] || + memcmp(a->key[i], b->key[i], a->len[i]) != 0) + return 1; + return 0; +} + + static void hostapd_config_free_radius(struct hostapd_radius_server *servers, int num_servers) { @@ -1118,7 +1805,17 @@ static void hostapd_config_free_eap_user(struct hostapd_eap_user *user) } -void hostapd_config_free(struct hostapd_config *conf) +static void hostapd_config_free_wep(struct hostapd_wep_keys *keys) +{ + int i; + for (i = 0; i < NUM_WEP_KEYS; i++) { + free(keys->key[i]); + keys->key[i] = NULL; + } +} + + +static void hostapd_config_free_bss(struct hostapd_bss_config *conf) { struct hostapd_wpa_psk *psk, *prev; struct hostapd_eap_user *user, *prev_user; @@ -1126,15 +1823,18 @@ void hostapd_config_free(struct hostapd_config *conf) if (conf == NULL) return; - psk = conf->wpa_psk; + psk = conf->ssid.wpa_psk; while (psk) { prev = psk; psk = psk->next; free(prev); } - free(conf->wpa_passphrase); - free(conf->wpa_psk_file); + free(conf->ssid.wpa_passphrase); + free(conf->ssid.wpa_psk_file); +#ifdef CONFIG_FULL_DYNAMIC_VLAN + free(conf->ssid.vlan_tagged_interface); +#endif /* CONFIG_FULL_DYNAMIC_VLAN */ user = conf->eap_user; while (user) { @@ -1161,13 +1861,41 @@ void hostapd_config_free(struct hostapd_config *conf) free(conf->eap_sim_db); free(conf->radius_server_clients); free(conf->test_socket); + free(conf->radius); + hostapd_config_free_vlan(conf); + if (conf->ssid.dyn_vlan_keys) { + struct hostapd_ssid *ssid = &conf->ssid; + size_t i; + for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) { + if (ssid->dyn_vlan_keys[i] == NULL) + continue; + hostapd_config_free_wep(ssid->dyn_vlan_keys[i]); + free(ssid->dyn_vlan_keys[i]); + } + free(ssid->dyn_vlan_keys); + ssid->dyn_vlan_keys = NULL; + } +} + + +void hostapd_config_free(struct hostapd_config *conf) +{ + size_t i; + + if (conf == NULL) + return; + + for (i = 0; i < conf->num_bss; i++) + hostapd_config_free_bss(&conf->bss[i]); + free(conf->bss); + free(conf); } /* Perform a binary search for given MAC address from a pre-sorted list. * Returns 1 if address is in the list or 0 if not. */ -int hostapd_maclist_found(macaddr *list, int num_entries, u8 *addr) +int hostapd_maclist_found(macaddr *list, int num_entries, const u8 *addr) { int start, end, middle, res; @@ -1189,13 +1917,40 @@ int hostapd_maclist_found(macaddr *list, int num_entries, u8 *addr) } -const u8 * hostapd_get_psk(const struct hostapd_config *conf, const u8 *addr, - const u8 *prev_psk) +int hostapd_rate_found(int *list, int rate) +{ + int i; + + if (list == NULL) + return 0; + + for (i = 0; list[i] >= 0; i++) + if (list[i] == rate) + return 1; + + return 0; +} + + +const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id) +{ + struct hostapd_vlan *v = vlan; + while (v) { + if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD) + return v->ifname; + v = v->next; + } + return NULL; +} + + +const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf, + const u8 *addr, const u8 *prev_psk) { struct hostapd_wpa_psk *psk; int next_ok = prev_psk == NULL; - for (psk = conf->wpa_psk; psk != NULL; psk = psk->next) { + for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) { if (next_ok && (psk->group || memcmp(psk->addr, addr, ETH_ALEN) == 0)) return psk->psk; @@ -1209,7 +1964,7 @@ const u8 * hostapd_get_psk(const struct hostapd_config *conf, const u8 *addr, const struct hostapd_eap_user * -hostapd_get_eap_user(const struct hostapd_config *conf, const u8 *identity, +hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity, size_t identity_len, int phase2) { struct hostapd_eap_user *user = conf->eap_user; @@ -1219,6 +1974,15 @@ hostapd_get_eap_user(const struct hostapd_config *conf, const u8 *identity, /* Wildcard match */ break; } + + if (!phase2 && user->wildcard_prefix && + identity_len >= user->identity_len && + memcmp(user->identity, identity, user->identity_len) == 0) + { + /* Wildcard prefix match */ + break; + } + if (user->phase2 == !!phase2 && user->identity_len == identity_len && memcmp(user->identity, identity, identity_len) == 0) |