KDK_NET_GET_RESOLV_CONF(3) Library Functions Manual KDK_NET_GET_RESOLV_CONF(3)

kdk_net_get_resolv_conf - 获取DNS配置文件

#include <libkynetinfo.h>

extern char** kdk_net_get_resolv_conf();

Link with -lkynetinfo.

The main function of the interface is to obtain the DNS configuration file.

On success, returns the DNS configuration file of type char **, ending with a NULL character; Generated by alloc and needs to be recycled by kdk_net_freeall

On error, return NULL.

#include "libkynetinfo.h"
#include "stdio.h"
#include "stdlib.h"
int main(int argc, char *argv[])
{
    prouteMapList list = kdk_net_get_route(), tmp = list;
    while (tmp)
    {
        printf("%s default route %s0, tmp->name, tmp->addr);
        tmp = tmp->next;
    }
    kdk_net_free_route(list);
    if (argc < 2)
        printf("please input test port num0);
    else
        printf("port:%s's state %d0, argv[1], kdk_net_get_port_stat(atoi(argv[1])));
    pChain chain = kdk_net_get_iptable_rules();
    pChain tmpchain = chain;
    while(tmpchain)
    {
        printf("Chain: %spolice: %s0,tmpchain->total,tmpchain->policy);
        pChainData tmpData = tmpchain->data;
        if(tmpData)
            printf("target: %sprot: %sopt: %ssource: %sdestination: %soption: %s0,tmpData->target,tmpData->prot,tmpData->opt,
                                tmpData->source,tmpData->destination,tmpData->option);
        printf("0);
        tmpchain = tmpchain->next;
    }
    kdk_net_free_chain(chain);
    int result[65536];
    int net = kdk_net_get_multiple_port_stat(0, 1000, result);
    if(net == 0)
    {
        size_t count = 0;
        for(;count < 1000 ;count++)
        {
            printf("%d", result[count]);
        }
    }
    else
        printf("Failed With %d", net);
     printf("0);
    char mask[32] = " ";
    kdk_net_get_netmask("enaftgm1i0", mask);
    printf("mask = %s0, mask);
    char **port = kdk_net_get_proc_port();
    size_t index = 0;
    while(port[index])
    {
        printf("No.%ld, port = %s0, index+1, port[index]);
        index++;
    }
    kdk_net_freeall(port);
    port = kdk_net_get_up_port();
    index = 0;
    while(port[index])
    {
        printf("No.%ld, port = %s0, index+1, port[index]);
        index++;
    }
    kdk_net_freeall(port);
    char *hosts = kdk_net_get_hosts();
    if (hosts != NULL)
    {
        printf("hosts = %s0, hosts);
        free(hosts);
    }
    char *domain = kdk_net_get_hosts_domain();
    if (domain != NULL)
    {
        printf("domain = %s0, domain);
        free(domain);
    }
    char **resolv = kdk_net_get_resolv_conf();
    index = 0;
    while(resolv[index])
    {
        printf("No.%ld, resolv = %s0, index+1, resolv[index]);
        index++;
    }
    kdk_net_freeall(resolv);
    return 0;
}

These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: kdk_net_get_multiple_port_stat(), kdk_net_get_port_stat(), kdk_net_get_route(), kdk_net_get_iptable_rules(), kdk_net_free_route(), kdk_net_free_chain(), kdk_net_get_netmask(), kdk_net_get_proc_port(), kdk_net_get_hosts(), kdk_net_get_hosts_domain(), kdk_net_get_up_port() and kdk_net_freeall().

kdk_net_get_multiple_port_stat(3), kdk_net_get_port_stat(3), kdk_net_get_route(3), kdk_net_get_iptable_rules(3), kdk_net_free_route(3), kdk_net_free_chain(3), kdk_net_get_netmask(), kdk_net_get_proc_port(3), kdk_net_get_hosts(3), kdk_net_get_hosts_domain(3), kdk_net_get_up_port(3) and kdk_net_freeall(3).

Thu Sep 14 2023 Linux Programmer's Manual