修改以上程序,获取target、prot、源地址、源端口、目的地址、目的端口、网络协议共6个参数
时间: 2023-08-20 09:04:19 浏览: 91
好的,我可以帮你修改程序以获取这6个参数。可以使用socket模块来获取这些参数。以下是示例代码:
```python
import socket
def get_connection_info():
# 获取本机IP地址和主机名
hostname = socket.gethostname()
ip_address = socket.gethostbyname(hostname)
# 获取连接信息
connection = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
connection.connect(("8.8.8.8", 80))
(addr, port) = connection.getsockname()
connection.close()
# 获取目标地址和端口
target = input("请输入目标地址:")
port = int(input("请输入目标端口:"))
# 获取网络协议
protocol = input("请输入网络协议(TCP/UDP):")
return target, port, ip_address, addr, protocol
```
这个函数将返回一个元组,包含6个参数:目标地址、目标端口、本机IP地址、本机端口、网络协议。你可以在程序中调用这个函数并使用返回的参数。
相关问题
修改以下代码,获取target、prot、源地址、源端口、目的地址、目的端口、网络协议共6个参数:#include <stdio.h>#include <stdlib.h>#include <string.h>#define MAX_RULES 100#define MAX_PARAMS 6#define MAX_PARAM_LENGTH 20char iptables[MAX_RULES][MAX_PARAMS][MAX_PARAM_LENGTH];int read_iptables() { FILE *fp; char rule[100]; int rule_count = 0; fp = popen("iptables -L INPUT --line-numbers -n", "r"); if (fp == NULL) { printf("Failed to execute command\n"); return -1; } while (fgets(rule, sizeof(rule), fp) != NULL) { if (strncmp(rule, "Chain", 5) == 0) { continue; } if (strncmp(rule, "num", 3) == 0) { continue; } char *p = strtok(rule, " "); int param_count = 0; while (p != NULL) { if (strncmp(p, "-p", 2) == 0 || strncmp(p, "-s", 2) == 0 || strncmp(p, "--sport", 7) == 0 || strncmp(p, "--dport", 7) == 0 || strncmp(p, "-j", 2) == 0) { strncpy(iptables[rule_count][param_count], p, MAX_PARAM_LENGTH); param_count++; } p = strtok(NULL, " "); } rule_count++; } pclose(fp); return rule_count;}int main() { int rule_count = read_iptables(); for (int i = 0; i < rule_count; i++) { for (int j = 0; j < MAX_PARAMS; j++) { printf("%s ", iptables[i][j]); } printf("\n"); } return 0;}
好的,以下是修改过的代码,可以获取6个参数:
```c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_RULES 100
#define MAX_PARAMS 6
#define MAX_PARAM_LENGTH 20
char iptables[MAX_RULES][MAX_PARAMS][MAX_PARAM_LENGTH];
int read_iptables() {
FILE *fp;
char rule[100];
int rule_count = 0;
fp = popen("iptables -L INPUT --line-numbers -n", "r");
if (fp == NULL) {
printf("Failed to execute command\n");
return -1;
}
while (fgets(rule, sizeof(rule), fp) != NULL) {
if (strncmp(rule, "Chain", 5) == 0) {
continue;
}
if (strncmp(rule, "num", 3) == 0) {
continue;
}
char *p = strtok(rule, " ");
int param_count = 0;
char target[MAX_PARAM_LENGTH];
char protocol[MAX_PARAM_LENGTH];
char source[MAX_PARAM_LENGTH];
char sport[MAX_PARAM_LENGTH];
char destination[MAX_PARAM_LENGTH];
char dport[MAX_PARAM_LENGTH];
while (p != NULL) {
if (strncmp(p, "-p", 2) == 0) {
strncpy(protocol, strtok(NULL, " "), MAX_PARAM_LENGTH);
} else if (strncmp(p, "-s", 2) == 0) {
strncpy(source, strtok(NULL, " "), MAX_PARAM_LENGTH);
} else if (strncmp(p, "--sport", 7) == 0) {
strncpy(sport, strtok(NULL, " "), MAX_PARAM_LENGTH);
} else if (strncmp(p, "--dport", 7) == 0) {
strncpy(dport, strtok(NULL, " "), MAX_PARAM_LENGTH);
} else if (strncmp(p, "-j", 2) == 0) {
strncpy(target, strtok(NULL, " "), MAX_PARAM_LENGTH);
}
p = strtok(NULL, " ");
}
strncpy(destination, strtok(rule, " "), MAX_PARAM_LENGTH);
strncpy(destination, strtok(NULL, " "), MAX_PARAM_LENGTH);
strncpy(iptables[rule_count][0], target, MAX_PARAM_LENGTH);
strncpy(iptables[rule_count][1], protocol, MAX_PARAM_LENGTH);
strncpy(iptables[rule_count][2], source, MAX_PARAM_LENGTH);
strncpy(iptables[rule_count][3], sport, MAX_PARAM_LENGTH);
strncpy(iptables[rule_count][4], destination, MAX_PARAM_LENGTH);
strncpy(iptables[rule_count][5], dport, MAX_PARAM_LENGTH);
rule_count++;
}
pclose(fp);
return rule_count;
}
int main() {
int rule_count = read_iptables();
for (int i = 0; i < rule_count; i++) {
for (int j = 0; j < MAX_PARAMS; j++) {
printf("%s ", iptables[i][j]);
}
printf("\n");
}
return 0;
}
```
这个程序将会读取iptables规则并将6个参数存储在`iptables`数组中,然后输出这些参数。你可以在程序中使用这些参数。注意,这个程序中假设规则中只有一个源地址、一个源端口、一个目的地址和一个目的端口。如果规则中有多个源地址、源端口、目的地址或目的端口,需要修改程序以适应这种情况。
pkts bytes target prot opt in out source destination
这是一个 iptables 的规则表格,它显示了当前 iptables 规则的信息。每一列的含义如下:
- pkts:匹配该规则的数据包数量
- bytes:匹配该规则的数据包总字节数
- target:规则的目标动作,例如 ACCEPT、DROP、REJECT、DNAT、SNAT 等
- prot:匹配的协议,例如 TCP、UDP、ICMP 等
- opt:规则选项,例如源、目的端口、状态等
- in:数据包进入的网络接口
- out:数据包输出的网络接口
- source:匹配的源 IP 地址或网段
- destination:匹配的目标 IP 地址或网段
这个规则表格可以帮助您了解当前 iptables 的规则情况,以便您进行网络安全和流量控制等方面的设置。
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