// // MCWiFiManager.m // MCDownloadManager // // Created by 马超 on 16/9/14. // Copyright © 2016年 qikeyun. All rights reserved. // #import "MCWiFiManager.h" #import #import #import #import #import #include #include #include #include #include /* * Copyright (c) 2000-2008 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1980, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)route.h 8.3 (Berkeley) 4/19/94 * $FreeBSD: src/sys/net/route.h,v 1.36.2.1 2000/08/16 06:14:23 jayanth Exp $ */ #ifndef TARGET_IPHONE_SIMULATOR #ifndef _NET_ROUTE_H_ #define _NET_ROUTE_H_ #include #include #include #include /* * Kernel resident routing tables. * * The routing tables are initialized when interface addresses * are set by making entries for all directly connected interfaces. */ /* * A route consists of a destination address and a reference * to a routing entry. These are often held by protocols * in their control blocks, e.g. inpcb. */ struct route; /* * These numbers are used by reliable protocols for determining * retransmission behavior and are included in the routing structure. */ struct rt_metrics { u_int32_t rmx_locks; /* Kernel must leave these values alone */ u_int32_t rmx_mtu; /* MTU for this path */ u_int32_t rmx_hopcount; /* max hops expected */ int32_t rmx_expire; /* lifetime for route, e.g. redirect */ u_int32_t rmx_recvpipe; /* inbound delay-bandwidth product */ u_int32_t rmx_sendpipe; /* outbound delay-bandwidth product */ u_int32_t rmx_ssthresh; /* outbound gateway buffer limit */ u_int32_t rmx_rtt; /* estimated round trip time */ u_int32_t rmx_rttvar; /* estimated rtt variance */ u_int32_t rmx_pksent; /* packets sent using this route */ u_int32_t rmx_filler[4]; /* will be used for T/TCP later */ }; /* * rmx_rtt and rmx_rttvar are stored as microseconds; */ #define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */ /* * We distinguish between routes to hosts and routes to networks, * preferring the former if available. For each route we infer * the interface to use from the gateway address supplied when * the route was entered. Routes that forward packets through * gateways are marked so that the output routines know to address the * gateway rather than the ultimate destination. */ #define RTF_UP 0x1 /* route usable */ #define RTF_GATEWAY 0x2 /* destination is a gateway */ #define RTF_HOST 0x4 /* host entry (net otherwise) */ #define RTF_REJECT 0x8 /* host or net unreachable */ #define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */ #define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */ #define RTF_DONE 0x40 /* message confirmed */ #define RTF_DELCLONE 0x80 /* delete cloned route */ #define RTF_CLONING 0x100 /* generate new routes on use */ #define RTF_XRESOLVE 0x200 /* external daemon resolves name */ #define RTF_LLINFO 0x400 /* generated by link layer (e.g. ARP) */ #define RTF_STATIC 0x800 /* manually added */ #define RTF_BLACKHOLE 0x1000 /* just discard pkts (during updates) */ #define RTF_PROTO2 0x4000 /* protocol specific routing flag */ #define RTF_PROTO1 0x8000 /* protocol specific routing flag */ #define RTF_PRCLONING 0x10000 /* protocol requires cloning */ #define RTF_WASCLONED 0x20000 /* route generated through cloning */ #define RTF_PROTO3 0x40000 /* protocol specific routing flag */ /* 0x80000 unused */ #define RTF_PINNED 0x100000 /* future use */ #define RTF_LOCAL 0x200000 /* route represents a local address */ #define RTF_BROADCAST 0x400000 /* route represents a bcast address */ #define RTF_MULTICAST 0x800000 /* route represents a mcast address */ #define RTF_IFSCOPE 0x1000000 /* has valid interface scope */ #define RTF_CONDEMNED 0x2000000 /* defunct; no longer modifiable */ /* 0x4000000 and up unassigned */ /* * Routing statistics. */ struct rtstat { short rts_badredirect; /* bogus redirect calls */ short rts_dynamic; /* routes created by redirects */ short rts_newgateway; /* routes modified by redirects */ short rts_unreach; /* lookups which failed */ short rts_wildcard; /* lookups satisfied by a wildcard */ }; /* * Structures for routing messages. */ struct rt_msghdr { u_short rtm_msglen; /* to skip over non-understood messages */ u_char rtm_version; /* future binary compatibility */ u_char rtm_type; /* message type */ u_short rtm_index; /* index for associated ifp */ int rtm_flags; /* flags, incl. kern & message, e.g. DONE */ int rtm_addrs; /* bitmask identifying sockaddrs in msg */ pid_t rtm_pid; /* identify sender */ int rtm_seq; /* for sender to identify action */ int rtm_errno; /* why failed */ int rtm_use; /* from rtentry */ u_int32_t rtm_inits; /* which metrics we are initializing */ struct rt_metrics rtm_rmx; /* metrics themselves */ }; struct rt_msghdr2 { u_short rtm_msglen; /* to skip over non-understood messages */ u_char rtm_version; /* future binary compatibility */ u_char rtm_type; /* message type */ u_short rtm_index; /* index for associated ifp */ int rtm_flags; /* flags, incl. kern & message, e.g. DONE */ int rtm_addrs; /* bitmask identifying sockaddrs in msg */ int32_t rtm_refcnt; /* reference count */ int rtm_parentflags; /* flags of the parent route */ int rtm_reserved; /* reserved field set to 0 */ int rtm_use; /* from rtentry */ u_int32_t rtm_inits; /* which metrics we are initializing */ struct rt_metrics rtm_rmx; /* metrics themselves */ }; #define RTM_VERSION 5 /* Up the ante and ignore older versions */ /* * Message types. */ #define RTM_ADD 0x1 /* Add Route */ #define RTM_DELETE 0x2 /* Delete Route */ #define RTM_CHANGE 0x3 /* Change Metrics or flags */ #define RTM_GET 0x4 /* Report Metrics */ #define RTM_LOSING 0x5 /* Kernel Suspects Partitioning */ #define RTM_REDIRECT 0x6 /* Told to use different route */ #define RTM_MISS 0x7 /* Lookup failed on this address */ #define RTM_LOCK 0x8 /* fix specified metrics */ #define RTM_OLDADD 0x9 /* caused by SIOCADDRT */ #define RTM_OLDDEL 0xa /* caused by SIOCDELRT */ #define RTM_RESOLVE 0xb /* req to resolve dst to LL addr */ #define RTM_NEWADDR 0xc /* address being added to iface */ #define RTM_DELADDR 0xd /* address being removed from iface */ #define RTM_IFINFO 0xe /* iface going up/down etc. */ #define RTM_NEWMADDR 0xf /* mcast group membership being added to if */ #define RTM_DELMADDR 0x10 /* mcast group membership being deleted */ #define RTM_IFINFO2 0x12 /* */ #define RTM_NEWMADDR2 0x13 /* */ #define RTM_GET2 0x14 /* */ /* * Bitmask values for rtm_inits and rmx_locks. */ #define RTV_MTU 0x1 /* init or lock _mtu */ #define RTV_HOPCOUNT 0x2 /* init or lock _hopcount */ #define RTV_EXPIRE 0x4 /* init or lock _expire */ #define RTV_RPIPE 0x8 /* init or lock _recvpipe */ #define RTV_SPIPE 0x10 /* init or lock _sendpipe */ #define RTV_SSTHRESH 0x20 /* init or lock _ssthresh */ #define RTV_RTT 0x40 /* init or lock _rtt */ #define RTV_RTTVAR 0x80 /* init or lock _rttvar */ /* * Bitmask values for rtm_addrs. */ #define RTA_DST 0x1 /* destination sockaddr present */ #define RTA_GATEWAY 0x2 /* gateway sockaddr present */ #define RTA_NETMASK 0x4 /* netmask sockaddr present */ #define RTA_GENMASK 0x8 /* cloning mask sockaddr present */ #define RTA_IFP 0x10 /* interface name sockaddr present */ #define RTA_IFA 0x20 /* interface addr sockaddr present */ #define RTA_AUTHOR 0x40 /* sockaddr for author of redirect */ #define RTA_BRD 0x80 /* for NEWADDR, broadcast or p-p dest addr */ /* * Index offsets for sockaddr array for alternate internal encoding. */ #define RTAX_DST 0 /* destination sockaddr present */ #define RTAX_GATEWAY 1 /* gateway sockaddr present */ #define RTAX_NETMASK 2 /* netmask sockaddr present */ #define RTAX_GENMASK 3 /* cloning mask sockaddr present */ #define RTAX_IFP 4 /* interface name sockaddr present */ #define RTAX_IFA 5 /* interface addr sockaddr present */ #define RTAX_AUTHOR 6 /* sockaddr for author of redirect */ #define RTAX_BRD 7 /* for NEWADDR, broadcast or p-p dest addr */ #define RTAX_MAX 8 /* size of array to allocate */ struct rt_addrinfo { int rti_addrs; struct sockaddr *rti_info[RTAX_MAX]; }; struct route_cb { int ip_count; int ip6_count; int ipx_count; int ns_count; int iso_count; int any_count; }; #endif #define CTL_NET 4 /* network, see socket.h */ #if defined(BSD) || defined(__APPLE__) #define ROUNDUP(a) \ ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) char * getdefaultgateway(in_addr_t * addr) { #if 0 /* net.route.0.inet.dump.0.0 ? */ int mib[] = {CTL_NET, PF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0, 0/*tableid*/}; #endif /* net.route.0.inet.flags.gateway */ int mib[] = {CTL_NET, PF_ROUTE, 0, AF_INET, NET_RT_FLAGS, RTF_GATEWAY}; size_t l; char * buf, * p; struct rt_msghdr * rt; struct sockaddr * sa; struct sockaddr * sa_tab[RTAX_MAX]; int i; int r = -1; static char tmp[20]; #if TARGET_OS_IPHONE if(sysctl(mib, sizeof(mib)/sizeof(int), 0, &l, 0, 0) < 0) { return tmp; } if(l>0) { buf = malloc(l); if(sysctl(mib, sizeof(mib)/sizeof(int), buf, &l, 0, 0) < 0) { return tmp; } for(p=buf; prtm_msglen) { rt = (struct rt_msghdr *)p; sa = (struct sockaddr *)(rt + 1); for(i=0; irtm_addrs & (1 << i)) { sa_tab[i] = sa; sa = (struct sockaddr *)((char *)sa + ROUNDUP(sa->sa_len)); } else { sa_tab[i] = NULL; } } if( ((rt->rtm_addrs & (RTA_DST|RTA_GATEWAY)) == (RTA_DST|RTA_GATEWAY)) && sa_tab[RTAX_DST]->sa_family == AF_INET && sa_tab[RTAX_GATEWAY]->sa_family == AF_INET) { unsigned char octet[4] = {0,0,0,0}; for (int i=0; i<4; i++){ octet[i] = ( ((struct sockaddr_in *)(sa_tab[RTAX_GATEWAY]))->sin_addr.s_addr >> (i*8) ) & 0xFF; } if(((struct sockaddr_in *)sa_tab[RTAX_DST])->sin_addr.s_addr == 0) { *addr = ((struct sockaddr_in *)(sa_tab[RTAX_GATEWAY]))->sin_addr.s_addr; r = 0; sprintf(tmp,"%d.%d.%d.%d",octet[0],octet[1],octet[2],octet[3]); printf("gateway : %s\n",tmp); printf("gateway address--%d.%d.%d.%d\n",octet[0],octet[1],octet[2],octet[3]); } } } free(buf); } #endif return tmp; } #endif #endif @implementation MCWiFi - (instancetype)initWithName:(NSString *)name BSSID:(NSString *)bssid { if (self = [super init]) { _wifiName = name; _wifiBSSID = bssid; } return self; } @end #pragma mark - @implementation MCWiFiManager - (instancetype)init { if (self = [super init]) { } return self; } + (instancetype)defaultInstance { static MCWiFiManager *sharedInstance = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ sharedInstance = [[self alloc] init]; }); return sharedInstance; } #pragma mark - - (void)scanNetworksWithCompletionHandler:(void (^)(NSArray * _Nullable, MCWiFi * _Nullable, NSError * _Nullable))handler { NSString *wifiName = @"Not Found"; NSString *wifiBSSID = @"Not Found"; CFArrayRef myArray = CNCopySupportedInterfaces(); if (myArray != nil) { for (int i = 0; i < CFArrayGetCount(myArray); i++) { CFStringRef strRef = CFArrayGetValueAtIndex(myArray, i); CFDictionaryRef myDict = CNCopyCurrentNetworkInfo(strRef); if (myDict != nil) { NSDictionary *dict = (NSDictionary*)CFBridgingRelease(myDict); wifiName = [dict valueForKey:(__bridge NSString *)kCNNetworkInfoKeySSID]; wifiBSSID = [dict valueForKey:(__bridge NSString *)kCNNetworkInfoKeyBSSID]; break; } } } if (myArray) { CFRelease(myArray); } MCWiFi *wifi = [[MCWiFi alloc] initWithName:wifiName BSSID:wifiBSSID]; if (handler) { handler(@[wifi], wifi, nil); } } - (NSString *)getGatewayIpForCurrentWiFi { NSString *address = @"error"; struct ifaddrs *interfaces = NULL; struct ifaddrs *temp_addr = NULL; int success = 0; // retrieve the current interfaces - returns 0 on success success = getifaddrs(&interfaces); if (success == 0) { // Loop through linked list of interfaces temp_addr = interfaces; //*/ while(temp_addr != NULL) { /*/ int i=255; while((i--)>0) //*/ if(temp_addr->ifa_addr->sa_family == AF_INET) { // Check if interface is en0 which is the wifi connection on the iPhone if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) { // Get NSString from C String //ifa_addr //ifa->ifa_dstaddr is the broadcast address, which explains the "255's" // address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_dstaddr)->sin_addr)]; address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)]; } } temp_addr = temp_addr->ifa_next; } } // Free memory freeifaddrs(interfaces); #ifndef TARGET_IPHONE_SIMULATOR in_addr_t i = inet_addr([address cStringUsingEncoding:NSUTF8StringEncoding]); in_addr_t* x = &i; unsigned char *s = (unsigned char *)getdefaultgateway(x) ; NSString *ip=[NSString stringWithFormat:@"%d.%d.%d.%d",s[0],s[1],s[2],s[3]]; return ip; #endif return nil; } - (NSDictionary *)getLocalInfoForCurrentWiFi { NSMutableDictionary *dict = [NSMutableDictionary dictionary]; struct ifaddrs *interfaces = NULL; struct ifaddrs *temp_addr = NULL; int success = 0; // retrieve the current interfaces - returns 0 on success success = getifaddrs(&interfaces); if (success == 0) { // Loop through linked list of interfaces temp_addr = interfaces; //*/ while(temp_addr != NULL) { if(temp_addr->ifa_addr->sa_family == AF_INET) { // Check if interface is en0 which is the wifi connection on the iPhone if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) { NSString *broadcast = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_dstaddr)->sin_addr)]; if (broadcast) { [dict setObject:broadcast forKey:@"broadcast"]; } NSLog(@"broadcast address--%@",broadcast); NSString *localIp = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)]; if (localIp) { [dict setObject:localIp forKey:@"localIp"]; } NSString *netmask = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_netmask)->sin_addr)]; if (netmask) { [dict setObject:netmask forKey:@"netmask"]; } NSString *interface = [NSString stringWithUTF8String:temp_addr->ifa_name]; if (interface) { [dict setObject:interface forKey:@"interface"]; } return dict; } } temp_addr = temp_addr->ifa_next; } } // Free memory freeifaddrs(interfaces); return dict; } @end