/* * hostapd / Configuration file parser * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi> * * 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 "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_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 */ }; 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 || 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; } } 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; } 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_psk_radius != PSK_RADIUS_IGNORED && bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) { wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no " "RADIUS checking (macaddr_acl=2) enabled."); 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 && (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED || bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) { 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 (wpa_key_mgmt_ft(bss->wpa_key_mgmt) && (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->ssid.security_policy == SECURITY_STATIC_WEP) { bss->disable_11n = 1; wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not " "allowed, disabling HT capabilities"); } if (conf->ieee80211n && bss->wpa && !(bss->wpa_pairwise & WPA_CIPHER_CCMP) && !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) { bss->disable_11n = 1; wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 " "requires CCMP to be enabled, disabling HT " "capabilities"); } #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; } #ifdef CONFIG_INTERWORKING static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos, int line) { size_t len = os_strlen(pos); u8 oi[MAX_ROAMING_CONSORTIUM_LEN]; struct hostapd_roaming_consortium *rc; if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN || hexstr2bin(pos, oi, len / 2)) { wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium " "'%s'", line, pos); return -1; } len /= 2; rc = os_realloc(bss->roaming_consortium, sizeof(struct hostapd_roaming_consortium) * (bss->roaming_consortium_count + 1)); if (rc == NULL) return -1; os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len); rc[bss->roaming_consortium_count].len = len; bss->roaming_consortium = rc; bss->roaming_consortium_count++; return 0; } #endif /* CONFIG_INTERWORKING */ /** * 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, "wds_bridge") == 0) { os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_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_isolate") == 0) { bss->isolate = atoi(pos); } else if (os_strcmp(buf, "ap_max_inactivity") == 0) { bss->ap_max_inactivity = atoi(pos); } else if (os_strcmp(buf, "skip_inactivity_poll") == 0) { bss->skip_inactivity_poll = 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_psk_radius") == 0) { bss->wpa_psk_radius = atoi(pos); if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED && bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED && bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) { wpa_printf(MSG_ERROR, "Line %d: unknown " "wpa_psk_radius %d", line, bss->wpa_psk_radius); 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); } else if (os_strcmp(buf, "ft_over_ds") == 0) { bss->ft_over_ds = 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, "wps_rf_bands") == 0) { if (os_strcmp(pos, "a") == 0) bss->wps_rf_bands = WPS_RF_50GHZ; else if (os_strcmp(pos, "g") == 0 || os_strcmp(pos, "b") == 0) bss->wps_rf_bands = WPS_RF_24GHZ; else if (os_strcmp(pos, "ag") == 0 || os_strcmp(pos, "ga") == 0) bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; else { wpa_printf(MSG_ERROR, "Line %d: unknown " "wps_rf_band '%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++; } } else if (os_strcmp(buf, "require_ht") == 0) { conf->require_ht = atoi(pos); #endif /* CONFIG_IEEE80211N */ } else if (os_strcmp(buf, "max_listen_interval") == 0) { bss->max_listen_interval = atoi(pos); } else if (os_strcmp(buf, "disable_pmksa_caching") == 0) { bss->disable_pmksa_caching = 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) { if (wps_dev_type_str2bin(pos, bss->device_type)) errors++; } 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); } else if (os_strcmp(buf, "pbc_in_m1") == 0) { bss->pbc_in_m1 = atoi(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 if (os_strcmp(buf, "disassoc_low_ack") == 0) { bss->disassoc_low_ack = atoi(pos); } else if (os_strcmp(buf, "tdls_prohibit") == 0) { int val = atoi(pos); if (val) bss->tdls |= TDLS_PROHIBIT; else bss->tdls &= ~TDLS_PROHIBIT; } else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) { int val = atoi(pos); if (val) bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH; else bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH; #ifdef CONFIG_RSN_TESTING } else if (os_strcmp(buf, "rsn_testing") == 0) { extern int rsn_testing; rsn_testing = atoi(pos); #endif /* CONFIG_RSN_TESTING */ } else if (os_strcmp(buf, "time_advertisement") == 0) { bss->time_advertisement = atoi(pos); } else if (os_strcmp(buf, "time_zone") == 0) { size_t tz_len = os_strlen(pos); if (tz_len < 4 || tz_len > 255) { wpa_printf(MSG_DEBUG, "Line %d: invalid " "time_zone", line); errors++; continue; } os_free(bss->time_zone); bss->time_zone = os_strdup(pos); if (bss->time_zone == NULL) errors++; #ifdef CONFIG_INTERWORKING } else if (os_strcmp(buf, "interworking") == 0) { bss->interworking = atoi(pos); } else if (os_strcmp(buf, "access_network_type") == 0) { bss->access_network_type = atoi(pos); if (bss->access_network_type < 0 || bss->access_network_type > 15) { wpa_printf(MSG_ERROR, "Line %d: invalid " "access_network_type", line); errors++; } } else if (os_strcmp(buf, "internet") == 0) { bss->internet = atoi(pos); } else if (os_strcmp(buf, "asra") == 0) { bss->asra = atoi(pos); } else if (os_strcmp(buf, "esr") == 0) { bss->esr = atoi(pos); } else if (os_strcmp(buf, "uesa") == 0) { bss->uesa = atoi(pos); } else if (os_strcmp(buf, "venue_group") == 0) { bss->venue_group = atoi(pos); bss->venue_info_set = 1; } else if (os_strcmp(buf, "venue_type") == 0) { bss->venue_type = atoi(pos); bss->venue_info_set = 1; } else if (os_strcmp(buf, "hessid") == 0) { if (hwaddr_aton(pos, bss->hessid)) { wpa_printf(MSG_ERROR, "Line %d: invalid " "hessid", line); errors++; } } else if (os_strcmp(buf, "roaming_consortium") == 0) { if (parse_roaming_consortium(bss, pos, line) < 0) errors++; #endif /* CONFIG_INTERWORKING */ #ifdef CONFIG_RADIUS_TEST } else if (os_strcmp(buf, "dump_msk_file") == 0) { os_free(bss->dump_msk_file); bss->dump_msk_file = os_strdup(pos); #endif /* CONFIG_RADIUS_TEST */ } 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) { int cipher = WPA_CIPHER_NONE; bss->ssid.security_policy = SECURITY_IEEE_802_1X; bss->ssid.wep.default_len = bss->default_wep_key_len; if (bss->default_wep_key_len) cipher = bss->default_wep_key_len >= 13 ? WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else if (bss->ssid.wep.keys_set) { int cipher = WPA_CIPHER_WEP40; if (bss->ssid.wep.len[0] >= 13) cipher = WPA_CIPHER_WEP104; bss->ssid.security_policy = SECURITY_STATIC_WEP; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else { bss->ssid.security_policy = SECURITY_PLAINTEXT; bss->wpa_group = WPA_CIPHER_NONE; bss->wpa_pairwise = WPA_CIPHER_NONE; bss->rsn_pairwise = WPA_CIPHER_NONE; } } if (hostapd_config_check(conf)) errors++; #ifndef WPA_IGNORE_CONFIG_ERRORS if (errors) { wpa_printf(MSG_ERROR, "%d errors found in configuration file " "'%s'", errors, fname); hostapd_config_free(conf); conf = NULL; } #endif /* WPA_IGNORE_CONFIG_ERRORS */ return conf; }