c语言实现提取出mac地址和ipv4地址:[connection] id=Wired Connection uuid=9726bc07-731c-abf1-9f57-bab17897f5af type=ethernet permissions= [ethernet] mac-address=02:02:03:04:05:06 mac-address-blacklist= [ipv4] address1=192.168.10.20/24 dns-search= method=manual [ipv6] addr-gen-mode=stable-privacy dns-search= method=auto [proxy]
时间: 2024-03-06 16:49:54 浏览: 138
可以获得ip及mac地址
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可以使用C语言中的正则表达式库来提取出MAC地址和IPv4地址。以下是一个简单的示例代码:
```c
#include <stdio.h>
#include <regex.h>
int main() {
char* input = "[connection] id=Wired Connection uuid=9726bc07-731c-abf1-9f57-bab17897f5af type=ethernet permissions= [ethernet] mac-address=02:02:03:04:05:06 mac-address-blacklist= [ipv4] address1=192.168.10.20/24 dns-search= method=manual [ipv6] addr-gen-mode=stable-privacy dns-search= method=auto [proxy]";
regex_t regex;
regmatch_t matches[2];
int status;
// 匹配MAC地址
status = regcomp(®ex, "mac-address=([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})", REG_EXTENDED);
if (status != 0) {
printf("Failed to compile regex\n");
return 1;
}
status = regexec(®ex, input, 2, matches, 0);
if (status == 0) {
printf("MAC address: %.*s\n", (int)(matches[1].rm_eo - matches[1].rm_so), input + matches[1].rm_so);
} else {
printf("MAC address not found\n");
}
regfree(®ex);
// 匹配IPv4地址
status = regcomp(®ex, "address1=([0-9]{1,3}\\.){3}[0-9]{1,3}", REG_EXTENDED);
if (status != 0) {
printf("Failed to compile regex\n");
return 1;
}
status = regexec(®ex, input, 2, matches, 0);
if (status == 0) {
printf("IPv4 address: %.*s\n", (int)(matches[1].rm_eo - matches[1].rm_so), input + matches[1].rm_so);
} else {
printf("IPv4 address not found\n");
}
regfree(®ex);
return 0;
}
```
输出结果应该是:
```
MAC address: 02:02:03:04:05:06
IPv4 address: 192.168.10.20
```
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