1 /* 2 * hostapd / State dump 3 * Copyright (c) 2002-2009, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "utils/includes.h" 10 #include <time.h> 11 12 #include "utils/common.h" 13 #include "radius/radius_client.h" 14 #include "radius/radius_server.h" 15 #include "eapol_auth/eapol_auth_sm.h" 16 #include "eapol_auth/eapol_auth_sm_i.h" 17 #include "eap_server/eap.h" 18 #include "ap/hostapd.h" 19 #include "ap/ap_config.h" 20 #include "ap/sta_info.h" 21 #include "dump_state.h" 22 23 24 static void fprint_char(FILE *f, char c) 25 { 26 if (c >= 32 && c < 127) 27 fprintf(f, "%c", c); 28 else 29 fprintf(f, "<%02x>", c); 30 } 31 32 33 static void ieee802_1x_dump_state(FILE *f, const char *prefix, 34 struct sta_info *sta) 35 { 36 struct eapol_state_machine *sm = sta->eapol_sm; 37 if (sm == NULL) 38 return; 39 40 fprintf(f, "%sIEEE 802.1X:\n", prefix); 41 42 if (sm->identity) { 43 size_t i; 44 fprintf(f, "%sidentity=", prefix); 45 for (i = 0; i < sm->identity_len; i++) 46 fprint_char(f, sm->identity[i]); 47 fprintf(f, "\n"); 48 } 49 50 fprintf(f, "%slast EAP type: Authentication Server: %d (%s) " 51 "Supplicant: %d (%s)\n", prefix, 52 sm->eap_type_authsrv, 53 eap_server_get_name(0, sm->eap_type_authsrv), 54 sm->eap_type_supp, eap_server_get_name(0, sm->eap_type_supp)); 55 56 fprintf(f, "%scached_packets=%s\n", prefix, 57 sm->last_recv_radius ? "[RX RADIUS]" : ""); 58 59 eapol_auth_dump_state(f, prefix, sm); 60 } 61 62 63 /** 64 * hostapd_dump_state - SIGUSR1 handler to dump hostapd state to a text file 65 */ 66 static void hostapd_dump_state(struct hostapd_data *hapd) 67 { 68 FILE *f; 69 time_t now; 70 struct sta_info *sta; 71 int i; 72 #ifndef CONFIG_NO_RADIUS 73 char *buf; 74 #endif /* CONFIG_NO_RADIUS */ 75 76 if (!hapd->conf->dump_log_name) { 77 wpa_printf(MSG_DEBUG, "Dump file not defined - ignoring dump " 78 "request"); 79 return; 80 } 81 82 wpa_printf(MSG_DEBUG, "Dumping hostapd state to '%s'", 83 hapd->conf->dump_log_name); 84 f = fopen(hapd->conf->dump_log_name, "w"); 85 if (f == NULL) { 86 wpa_printf(MSG_WARNING, "Could not open dump file '%s' for " 87 "writing.", hapd->conf->dump_log_name); 88 return; 89 } 90 91 time(&now); 92 fprintf(f, "hostapd state dump - %s", ctime(&now)); 93 fprintf(f, "num_sta=%d num_sta_non_erp=%d " 94 "num_sta_no_short_slot_time=%d\n" 95 "num_sta_no_short_preamble=%d\n", 96 hapd->num_sta, hapd->iface->num_sta_non_erp, 97 hapd->iface->num_sta_no_short_slot_time, 98 hapd->iface->num_sta_no_short_preamble); 99 100 for (sta = hapd->sta_list; sta != NULL; sta = sta->next) { 101 fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr)); 102 103 fprintf(f, 104 " AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" 105 "\n" 106 " capability=0x%x listen_interval=%d\n", 107 sta->aid, 108 sta->flags, 109 (sta->flags & WLAN_STA_AUTH ? "[AUTH]" : ""), 110 (sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""), 111 (sta->flags & WLAN_STA_PS ? "[PS]" : ""), 112 (sta->flags & WLAN_STA_TIM ? "[TIM]" : ""), 113 (sta->flags & WLAN_STA_PERM ? "[PERM]" : ""), 114 (ap_sta_is_authorized(sta) ? "[AUTHORIZED]" : ""), 115 (sta->flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" : 116 ""), 117 (sta->flags & WLAN_STA_SHORT_PREAMBLE ? 118 "[SHORT_PREAMBLE]" : ""), 119 (sta->flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""), 120 (sta->flags & WLAN_STA_WMM ? "[WMM]" : ""), 121 (sta->flags & WLAN_STA_MFP ? "[MFP]" : ""), 122 (sta->flags & WLAN_STA_WPS ? "[WPS]" : ""), 123 (sta->flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""), 124 (sta->flags & WLAN_STA_WDS ? "[WDS]" : ""), 125 (sta->flags & WLAN_STA_NONERP ? "[NonERP]" : ""), 126 (sta->flags & WLAN_STA_WPS2 ? "[WPS2]" : ""), 127 sta->capability, 128 sta->listen_interval); 129 130 fprintf(f, " supported_rates="); 131 for (i = 0; i < sta->supported_rates_len; i++) 132 fprintf(f, "%02x ", sta->supported_rates[i]); 133 fprintf(f, "\n"); 134 135 fprintf(f, 136 " timeout_next=%s\n", 137 (sta->timeout_next == STA_NULLFUNC ? "NULLFUNC POLL" : 138 (sta->timeout_next == STA_DISASSOC ? "DISASSOC" : 139 "DEAUTH"))); 140 141 ieee802_1x_dump_state(f, " ", sta); 142 } 143 144 #ifndef CONFIG_NO_RADIUS 145 buf = os_malloc(4096); 146 if (buf) { 147 int count = radius_client_get_mib(hapd->radius, buf, 4096); 148 if (count < 0) 149 count = 0; 150 else if (count > 4095) 151 count = 4095; 152 buf[count] = '\0'; 153 fprintf(f, "%s", buf); 154 155 #ifdef RADIUS_SERVER 156 count = radius_server_get_mib(hapd->radius_srv, buf, 4096); 157 if (count < 0) 158 count = 0; 159 else if (count > 4095) 160 count = 4095; 161 buf[count] = '\0'; 162 fprintf(f, "%s", buf); 163 #endif /* RADIUS_SERVER */ 164 165 os_free(buf); 166 } 167 #endif /* CONFIG_NO_RADIUS */ 168 fclose(f); 169 } 170 171 172 int handle_dump_state_iface(struct hostapd_iface *iface, void *ctx) 173 { 174 size_t i; 175 176 for (i = 0; i < iface->num_bss; i++) 177 hostapd_dump_state(iface->bss[i]); 178 179 return 0; 180 } 181
