35 lines
738 B
C
35 lines
738 B
C
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#include <stdio.h>
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#include "hplatform.h" // inet_ntop
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#include "dns.h" // nslookup
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int main(int argc, char* argv[]) {
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if (argc < 2) {
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printf("Usage: nslookup domain [nameserver]\n");
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return -1;
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}
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const char* domain = argv[1];
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const char* nameserver = "127.0.1.1";
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#ifndef OS_LINUX
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nameserver = "114.114.114.114";
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// nameserver = "8.8.8.8";
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#endif
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if (argc > 2) {
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nameserver = argv[2];
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}
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uint32_t addrs[16];
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int naddr = nslookup(domain, addrs, 16, nameserver);
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if (naddr < 0) {
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return naddr;
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}
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char ip[16];
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for (int i = 0; i < naddr; ++i) {
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inet_ntop(AF_INET, (void*)&addrs[i], ip, 16);
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printf("%s\n", ip);
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}
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return 0;
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}
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