取ios本地ip及物理mac地址
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两个方法,(网上整理得来,原作不详----heqin)
方法一:
在该文件中加入
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <sys/ioctl.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <netdb.h>
- #include <arpa/inet.h>
- #include <sys/sockio.h>
- #include <net/if.h>
- #include <errno.h>
- #include <net/if_dl.h>
- //#include "GetAddresses.h"
- #define min(a,b) ((a) < (b) ? (a) : (b))
- #define max(a,b) ((a) > (b) ? (a) : (b))
- #define BUFFERSIZE 4000
- // added by heqin, 原来的代码中没有下面这一行去定义MAXADDRS
- char *if_names[MAXADDRS];
- char *ip_names[MAXADDRS];
- char *hw_addrs[MAXADDRS];
- unsigned long ip_addrs[MAXADDRS];
- static int nextAddr = 0;
- void InitAddresses()
- {
- int i;
- for (i=0; i<MAXADDRS; ++i)
- {
- if_names[i] = ip_names[i] = hw_addrs[i] = NULL;
- ip_addrs[i] = 0;
- }
- }
- void FreeAddresses()
- {
- int i;
- for (i=0; i<MAXADDRS; ++i)
- {
- if (if_names[i] != 0) free(if_names[i]);
- if (ip_names[i] != 0) free(ip_names[i]);
- if (hw_addrs[i] != 0) free(hw_addrs[i]);
- ip_addrs[i] = 0;
- }
- InitAddresses();
- }
- void GetIPAddresses()
- {
- int i, len, flags;
- char buffer[BUFFERSIZE], *ptr, lastname[IFNAMSIZ], *cptr;
- struct ifconf ifc;
- struct ifreq *ifr, ifrcopy;
- struct sockaddr_in *sin;
- char temp[80];
- int sockfd;
- for (i=0; i<MAXADDRS; ++i)
- {
- if_names[i] = ip_names[i] = NULL;
- ip_addrs[i] = 0;
- }
- sockfd = socket(AF_INET, SOCK_DGRAM, 0);
- if (sockfd < 0)
- {
- perror("socket failed");
- return;
- }
- ifc.ifc_len = BUFFERSIZE;
- ifc.ifc_buf = buffer;
- if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0)
- {
- perror("ioctl error");
- return;
- }
- lastname[0] = 0;
- for (ptr = buffer; ptr < buffer + ifc.ifc_len; )
- {
- ifr = (struct ifreq *)ptr;
- len = max(sizeof(struct sockaddr), ifr->ifr_addr.sa_len);
- ptr += sizeof(ifr->ifr_name) + len; // for next one in buffer
- if (ifr->ifr_addr.sa_family != AF_INET)
- {
- continue; // ignore if not desired address family
- }
- if ((cptr = (char *)strchr(ifr->ifr_name, ':')) != NULL)
- {
- *cptr = 0; // replace colon will null
- }
- if (strncmp(lastname, ifr->ifr_name, IFNAMSIZ) == 0)
- {
- continue; /* already processed this interface */
- }
- memcpy(lastname, ifr->ifr_name, IFNAMSIZ);
- ifrcopy = *ifr;
- ioctl(sockfd, SIOCGIFFLAGS, &ifrcopy);
- flags = ifrcopy.ifr_flags;
- if ((flags & IFF_UP) == 0)
- {
- continue; // ignore if interface not up
- }
- if_names[nextAddr] = (char *)malloc(strlen(ifr->ifr_name)+1);
- if (if_names[nextAddr] == NULL)
- {
- return;
- }
- strcpy(if_names[nextAddr], ifr->ifr_name);
- sin = (struct sockaddr_in *)&ifr->ifr_addr;
- strcpy(temp, inet_ntoa(sin->sin_addr));
- ip_names[nextAddr] = (char *)malloc(strlen(temp)+1);
- if (ip_names[nextAddr] == NULL)
- {
- return;
- }
- strcpy(ip_names[nextAddr], temp);
- ip_addrs[nextAddr] = sin->sin_addr.s_addr;
- ++nextAddr;
- }
- close(sockfd);
- }
- void GetHWAddresses()
- {
- struct ifconf ifc;
- struct ifreq *ifr;
- int i, sockfd;
- char buffer[BUFFERSIZE], *cp, *cplim;
- char temp[80];
- for (i=0; i<MAXADDRS; ++i)
- {
- hw_addrs[i] = NULL;
- }
- sockfd = socket(AF_INET, SOCK_DGRAM, 0);
- if (sockfd < 0)
- {
- perror("socket failed");
- return;
- }
- ifc.ifc_len = BUFFERSIZE;
- ifc.ifc_buf = buffer;
- if (ioctl(sockfd, SIOCGIFCONF, (char *)&ifc) < 0)
- {
- perror("ioctl error");
- close(sockfd);
- return;
- }
- ifr = ifc.ifc_req;
- cplim = buffer + ifc.ifc_len;
- for (cp=buffer; cp < cplim; )
- {
- ifr = (struct ifreq *)cp;
- if (ifr->ifr_addr.sa_family == AF_LINK)
- {
- struct sockaddr_dl *sdl = (struct sockaddr_dl *)&ifr->ifr_addr;
- int a,b,c,d,e,f;
- int i;
- strcpy(temp, (char *)ether_ntoa(LLADDR(sdl)));
- sscanf(temp, "%x:%x:%x:%x:%x:%x", &a, &b, &c, &d, &e, &f);
- sprintf(temp, "%02X:%02X:%02X:%02X:%02X:%02X",a,b,c,d,e,f);
- for (i=0; i<MAXADDRS; ++i)
- {
- if ((if_names[i] != NULL) && (strcmp(ifr->ifr_name, if_names[i]) == 0))
- {
- if (hw_addrs[i] == NULL)
- {
- hw_addrs[i] = (char *)malloc(strlen(temp)+1);
- strcpy(hw_addrs[i], temp);
- break;
- }
- }
- }
- }
- cp += sizeof(ifr->ifr_name) + max(sizeof(ifr->ifr_addr), ifr->ifr_addr.sa_len);
- }
- close(sockfd);
- }
- (IBAction)newWayGetIP:(id)sender {
InitAddresses();
GetIPAddresses();
GetHWAddresses();
NSLog(@"sepc=%@", [NSStringstringWithFormat:@"%s",ip_names[1]]);
NSLog(@"in new way, ipname=%s",ip_names[1]);
NSLog(@"in new way, if_names=%s",if_names[1]);
NSLog(@"in new way, hw_addrs=%s",hw_addrs[1]);
}
// 输出如下:
2013-04-03 11:03:52.521 wifiView[20702:907] in new way, ipname=10.202.201.16
2013-04-03 11:03:52.523 wifiView[20702:907] in new way, if_names=en0
2013-04-03 11:03:52.524 wifiView[20702:907] in new way, hw_addrs=28:6A:BA:4D:C5:CB
#import <Foundation/Foundation.h>
@interface localhostAdresses :NSObject
+ (void)list;
@end
实现文件中如下:
#import "localhostAdresses.h"
#import <ifaddrs.h>
#import <netinet/in.h>
#import <sys/socket.h>
@implementation localhostAdresses
+ (void)list
{
NSAutoreleasePool* pool = [[NSAutoreleasePoolalloc] init];
NSMutableDictionary* result = [NSMutableDictionarydictionary];
struct ifaddrs* addrs;
//获取en0, lo0的ip地址
BOOL success = (getifaddrs(&addrs) == 0);
if (success) {
const struct ifaddrs* cursor = addrs;
while (cursor != NULL) {
NSMutableString* ip;
if (cursor->ifa_addr->sa_family ==AF_INET) {
const struct sockaddr_in* dlAddr = (const struct sockaddr_in*)cursor->ifa_addr;
const uint8_t* base = (constuint8_t*)&dlAddr->sin_addr;
ip = [[NSMutableStringnew] autorelease];
for (int i = 0; i < 4; i++) {
if (i != 0) {
[ipappendFormat:@"."];
}
[ipappendFormat:@"%d", base[i]];
}
[resultsetObject:(NSString*)ipforKey:[NSStringstringWithFormat:@"%s", cursor->ifa_name]];
}
cursor = cursor->ifa_next;
}
freeifaddrs(addrs);
}
NSLog(@"IP addresses: %@", result);
[[NSNotificationCenterdefaultCenter] postNotificationName:@"LocalhostAdressesResolved"object:result];
[pool release];
}
// 输出如下:
//IP addresses: {
// en0 = "10.202.201.16";
// lo0 = "127.0.0.1";
//}
@end
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