1 files changed, 0 insertions, 610 deletions

diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
deleted file mode 100644
index 9dec724..0000000
--- a/hostapd/ctrl_iface.c
+++ /dev/null
@@ -1,610 +0,0 @@
-/*
- * hostapd / UNIX domain socket -based control interface
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "includes.h"
-
-#ifndef CONFIG_NATIVE_WINDOWS
-
-#include <sys/un.h>
-#include <sys/stat.h>
-#include <stddef.h>
-
-#include "hostapd.h"
-#include "eloop.h"
-#include "config.h"
-#include "ieee802_1x.h"
-#include "wpa.h"
-#include "radius/radius_client.h"
-#include "ieee802_11.h"
-#include "ctrl_iface.h"
-#include "sta_info.h"
-#include "accounting.h"
-#include "wps_hostapd.h"
-
-
-struct wpa_ctrl_dst {
-	struct wpa_ctrl_dst *next;
-	struct sockaddr_un addr;
-	socklen_t addrlen;
-	int debug_level;
-	int errors;
-};
-
-
-static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
-				    const char *buf, size_t len);
-
-
-static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
-				     struct sockaddr_un *from,
-				     socklen_t fromlen)
-{
-	struct wpa_ctrl_dst *dst;
-
-	dst = os_zalloc(sizeof(*dst));
-	if (dst == NULL)
-		return -1;
-	os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
-	dst->addrlen = fromlen;
-	dst->debug_level = MSG_INFO;
-	dst->next = hapd->ctrl_dst;
-	hapd->ctrl_dst = dst;
-	wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
-		    (u8 *) from->sun_path,
-		    fromlen - offsetof(struct sockaddr_un, sun_path));
-	return 0;
-}
-
-
-static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
-				     struct sockaddr_un *from,
-				     socklen_t fromlen)
-{
-	struct wpa_ctrl_dst *dst, *prev = NULL;
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			if (prev == NULL)
-				hapd->ctrl_dst = dst->next;
-			else
-				prev->next = dst->next;
-			os_free(dst);
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
-				    (u8 *) from->sun_path,
-				    fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			return 0;
-		}
-		prev = dst;
-		dst = dst->next;
-	}
-	return -1;
-}
-
-
-static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
-				    struct sockaddr_un *from,
-				    socklen_t fromlen,
-				    char *level)
-{
-	struct wpa_ctrl_dst *dst;
-
-	wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
-				    "level", (u8 *) from->sun_path, fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			dst->debug_level = atoi(level);
-			return 0;
-		}
-		dst = dst->next;
-	}
-
-	return -1;
-}
-
-
-static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
-				      struct sta_info *sta,
-				      char *buf, size_t buflen)
-{
-	int len, res, ret;
-
-	if (sta == NULL) {
-		ret = os_snprintf(buf, buflen, "FAIL\n");
-		if (ret < 0 || (size_t) ret >= buflen)
-			return 0;
-		return ret;
-	}
-
-	len = 0;
-	ret = os_snprintf(buf + len, buflen - len, MACSTR "\n",
-			  MAC2STR(sta->addr));
-	if (ret < 0 || (size_t) ret >= buflen - len)
-		return len;
-	len += ret;
-
-	res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
-	if (res >= 0)
-		len += res;
-	res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
-	if (res >= 0)
-		len += res;
-	res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
-	if (res >= 0)
-		len += res;
-
-	return len;
-}
-
-
-static int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
-					char *buf, size_t buflen)
-{
-	return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
-}
-
-
-static int hostapd_ctrl_iface_sta(struct hostapd_data *hapd,
-				  const char *txtaddr,
-				  char *buf, size_t buflen)
-{
-	u8 addr[ETH_ALEN];
-	int ret;
-
-	if (hwaddr_aton(txtaddr, addr)) {
-		ret = os_snprintf(buf, buflen, "FAIL\n");
-		if (ret < 0 || (size_t) ret >= buflen)
-			return 0;
-		return ret;
-	}
-	return hostapd_ctrl_iface_sta_mib(hapd, ap_get_sta(hapd, addr),
-					  buf, buflen);
-}
-
-
-static int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd,
-				       const char *txtaddr,
-				       char *buf, size_t buflen)
-{
-	u8 addr[ETH_ALEN];
-	struct sta_info *sta;
-	int ret;
-
-	if (hwaddr_aton(txtaddr, addr) ||
-	    (sta = ap_get_sta(hapd, addr)) == NULL) {
-		ret = os_snprintf(buf, buflen, "FAIL\n");
-		if (ret < 0 || (size_t) ret >= buflen)
-			return 0;
-		return ret;
-	}		
-	return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
-}
-
-
-static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
-				      const char *txtaddr)
-{
-	u8 addr[ETH_ALEN];
-	struct sta_info *sta;
-
-	wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
-
-	if (hwaddr_aton(txtaddr, addr))
-		return -1;
-
-	sta = ap_get_sta(hapd, addr);
-	if (sta)
-		return 0;
-
-	wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
-		   "notification", MAC2STR(addr));
-	sta = ap_sta_add(hapd, addr);
-	if (sta == NULL)
-		return -1;
-
-	hostapd_new_assoc_sta(hapd, sta, 0);
-	return 0;
-}
-
-
-#ifdef CONFIG_IEEE80211W
-static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
-				       const char *txtaddr)
-{
-	u8 addr[ETH_ALEN];
-	u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
-
-	wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
-
-	if (hwaddr_aton(txtaddr, addr))
-		return -1;
-
-	os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
-	ieee802_11_send_sa_query_req(hapd, addr, trans_id);
-
-	return 0;
-}
-#endif /* CONFIG_IEEE80211W */
-
-
-#ifdef CONFIG_WPS
-static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
-{
-	char *pin = os_strchr(txt, ' ');
-	char *timeout_txt;
-	int timeout;
-
-	if (pin == NULL)
-		return -1;
-	*pin++ = '\0';
-
-	timeout_txt = os_strchr(pin, ' ');
-	if (timeout_txt) {
-		*timeout_txt++ = '\0';
-		timeout = atoi(timeout_txt);
-	} else
-		timeout = 0;
-
-	return hostapd_wps_add_pin(hapd, txt, pin, timeout);
-}
-#endif /* CONFIG_WPS */
-
-
-static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
-				       void *sock_ctx)
-{
-	struct hostapd_data *hapd = eloop_ctx;
-	char buf[256];
-	int res;
-	struct sockaddr_un from;
-	socklen_t fromlen = sizeof(from);
-	char *reply;
-	const int reply_size = 4096;
-	int reply_len;
-
-	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
-		       (struct sockaddr *) &from, &fromlen);
-	if (res < 0) {
-		perror("recvfrom(ctrl_iface)");
-		return;
-	}
-	buf[res] = '\0';
-	wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface", (u8 *) buf, res);
-
-	reply = os_malloc(reply_size);
-	if (reply == NULL) {
-		sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
-		       fromlen);
-		return;
-	}
-
-	os_memcpy(reply, "OK\n", 3);
-	reply_len = 3;
-
-	if (os_strcmp(buf, "PING") == 0) {
-		os_memcpy(reply, "PONG\n", 5);
-		reply_len = 5;
-	} else if (os_strcmp(buf, "MIB") == 0) {
-		reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
-		if (reply_len >= 0) {
-			res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
-					  reply_size - reply_len);
-			if (res < 0)
-				reply_len = -1;
-			else
-				reply_len += res;
-		}
-		if (reply_len >= 0) {
-			res = ieee802_1x_get_mib(hapd, reply + reply_len,
-						 reply_size - reply_len);
-			if (res < 0)
-				reply_len = -1;
-			else
-				reply_len += res;
-		}
-		if (reply_len >= 0) {
-			res = radius_client_get_mib(hapd->radius,
-						    reply + reply_len,
-						    reply_size - reply_len);
-			if (res < 0)
-				reply_len = -1;
-			else
-				reply_len += res;
-		}
-	} else if (os_strcmp(buf, "STA-FIRST") == 0) {
-		reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
-							 reply_size);
-	} else if (os_strncmp(buf, "STA ", 4) == 0) {
-		reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
-						   reply_size);
-	} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
-		reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
-							reply_size);
-	} else if (os_strcmp(buf, "ATTACH") == 0) {
-		if (hostapd_ctrl_iface_attach(hapd, &from, fromlen))
-			reply_len = -1;
-	} else if (os_strcmp(buf, "DETACH") == 0) {
-		if (hostapd_ctrl_iface_detach(hapd, &from, fromlen))
-			reply_len = -1;
-	} else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
-		if (hostapd_ctrl_iface_level(hapd, &from, fromlen,
-						    buf + 6))
-			reply_len = -1;
-	} else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
-		if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
-			reply_len = -1;
-#ifdef CONFIG_IEEE80211W
-	} else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
-		if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
-			reply_len = -1;
-#endif /* CONFIG_IEEE80211W */
-#ifdef CONFIG_WPS
-	} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
-		if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
-			reply_len = -1;
-	} else if (os_strcmp(buf, "WPS_PBC") == 0) {
-		if (hostapd_wps_button_pushed(hapd))
-			reply_len = -1;
-#endif /* CONFIG_WPS */
-	} else {
-		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
-		reply_len = 16;
-	}
-
-	if (reply_len < 0) {
-		os_memcpy(reply, "FAIL\n", 5);
-		reply_len = 5;
-	}
-	sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
-	os_free(reply);
-}
-
-
-static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
-{
-	char *buf;
-	size_t len;
-
-	if (hapd->conf->ctrl_interface == NULL)
-		return NULL;
-
-	len = os_strlen(hapd->conf->ctrl_interface) +
-		os_strlen(hapd->conf->iface) + 2;
-	buf = os_malloc(len);
-	if (buf == NULL)
-		return NULL;
-
-	os_snprintf(buf, len, "%s/%s",
-		    hapd->conf->ctrl_interface, hapd->conf->iface);
-	buf[len - 1] = '\0';
-	return buf;
-}
-
-
-static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
-				      const char *txt, size_t len)
-{
-	struct hostapd_data *hapd = ctx;
-	if (hapd == NULL)
-		return;
-	hostapd_ctrl_iface_send(hapd, level, txt, len);
-}
-
-
-int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
-{
-	struct sockaddr_un addr;
-	int s = -1;
-	char *fname = NULL;
-
-	hapd->ctrl_sock = -1;
-
-	if (hapd->conf->ctrl_interface == NULL)
-		return 0;
-
-	if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
-		if (errno == EEXIST) {
-			wpa_printf(MSG_DEBUG, "Using existing control "
-				   "interface directory.");
-		} else {
-			perror("mkdir[ctrl_interface]");
-			goto fail;
-		}
-	}
-
-	if (hapd->conf->ctrl_interface_gid_set &&
-	    chown(hapd->conf->ctrl_interface, 0,
-		  hapd->conf->ctrl_interface_gid) < 0) {
-		perror("chown[ctrl_interface]");
-		return -1;
-	}
-
-	if (os_strlen(hapd->conf->ctrl_interface) + 1 +
-	    os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
-		goto fail;
-
-	s = socket(PF_UNIX, SOCK_DGRAM, 0);
-	if (s < 0) {
-		perror("socket(PF_UNIX)");
-		goto fail;
-	}
-
-	os_memset(&addr, 0, sizeof(addr));
-#ifdef __FreeBSD__
-	addr.sun_len = sizeof(addr);
-#endif /* __FreeBSD__ */
-	addr.sun_family = AF_UNIX;
-	fname = hostapd_ctrl_iface_path(hapd);
-	if (fname == NULL)
-		goto fail;
-	os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
-	if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
-		wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
-			   strerror(errno));
-		if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
-			wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
-				   " allow connections - assuming it was left"
-				   "over from forced program termination");
-			if (unlink(fname) < 0) {
-				perror("unlink[ctrl_iface]");
-				wpa_printf(MSG_ERROR, "Could not unlink "
-					   "existing ctrl_iface socket '%s'",
-					   fname);
-				goto fail;
-			}
-			if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
-			    0) {
-				perror("bind(PF_UNIX)");
-				goto fail;
-			}
-			wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
-				   "ctrl_iface socket '%s'", fname);
-		} else {
-			wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
-				   "be in use - cannot override it");
-			wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
-				   "not used anymore", fname);
-			os_free(fname);
-			fname = NULL;
-			goto fail;
-		}
-	}
-
-	if (hapd->conf->ctrl_interface_gid_set &&
-	    chown(fname, 0, hapd->conf->ctrl_interface_gid) < 0) {
-		perror("chown[ctrl_interface/ifname]");
-		goto fail;
-	}
-
-	if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
-		perror("chmod[ctrl_interface/ifname]");
-		goto fail;
-	}
-	os_free(fname);
-
-	hapd->ctrl_sock = s;
-	eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
-				 NULL);
-	wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
-
-	return 0;
-
-fail:
-	if (s >= 0)
-		close(s);
-	if (fname) {
-		unlink(fname);
-		os_free(fname);
-	}
-	return -1;
-}
-
-
-void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
-{
-	struct wpa_ctrl_dst *dst, *prev;
-
-	if (hapd->ctrl_sock > -1) {
-		char *fname;
-		eloop_unregister_read_sock(hapd->ctrl_sock);
-		close(hapd->ctrl_sock);
-		hapd->ctrl_sock = -1;
-		fname = hostapd_ctrl_iface_path(hapd);
-		if (fname)
-			unlink(fname);
-		os_free(fname);
-
-		if (hapd->conf->ctrl_interface &&
-		    rmdir(hapd->conf->ctrl_interface) < 0) {
-			if (errno == ENOTEMPTY) {
-				wpa_printf(MSG_DEBUG, "Control interface "
-					   "directory not empty - leaving it "
-					   "behind");
-			} else {
-				perror("rmdir[ctrl_interface]");
-			}
-		}
-	}
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		prev = dst;
-		dst = dst->next;
-		os_free(prev);
-	}
-}
-
-
-static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
-				    const char *buf, size_t len)
-{
-	struct wpa_ctrl_dst *dst, *next;
-	struct msghdr msg;
-	int idx;
-	struct iovec io[2];
-	char levelstr[10];
-
-	dst = hapd->ctrl_dst;
-	if (hapd->ctrl_sock < 0 || dst == NULL)
-		return;
-
-	os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
-	io[0].iov_base = levelstr;
-	io[0].iov_len = os_strlen(levelstr);
-	io[1].iov_base = (char *) buf;
-	io[1].iov_len = len;
-	os_memset(&msg, 0, sizeof(msg));
-	msg.msg_iov = io;
-	msg.msg_iovlen = 2;
-
-	idx = 0;
-	while (dst) {
-		next = dst->next;
-		if (level >= dst->debug_level) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
-				    (u8 *) dst->addr.sun_path, dst->addrlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			msg.msg_name = &dst->addr;
-			msg.msg_namelen = dst->addrlen;
-			if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) {
-				int _errno = errno;
-				wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
-					   "%d - %s",
-					   idx, errno, strerror(errno));
-				dst->errors++;
-				if (dst->errors > 10 || _errno == ENOENT) {
-					hostapd_ctrl_iface_detach(
-						hapd, &dst->addr,
-						dst->addrlen);
-				}
-			} else
-				dst->errors = 0;
-		}
-		idx++;
-		dst = next;
-	}
-}
-
-#endif /* CONFIG_NATIVE_WINDOWS */