42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "../remotedns.h"
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#include "../ip_type.h"
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int main() {
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int fd;
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int port = 1053;
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char srvn[] = "127.0.0.1";
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struct sockaddr_in srva = {.sin_family = AF_INET, .sin_port = htons(port)};
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inet_pton(AF_INET, srvn, &srva.sin_addr);
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fd = socket(AF_INET, SOCK_DGRAM, 0);
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char namebuf[260];
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while(fgets(namebuf, sizeof namebuf, stdin)) {
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size_t l = strlen(namebuf);
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if(namebuf[l-1] == '\n') {
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l--;
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namebuf[l] = 0;
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}
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struct at_msg msg = {0};
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unsigned msglen;
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if(isdigit(namebuf[0])) {
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msglen = 4;
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msg.h.msgtype = ATM_GETNAME;
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inet_aton(namebuf, (void*) &msg.m.ip);
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} else {
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msglen = l+1;
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msg.h.msgtype = ATM_GETIP;
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memcpy(msg.m.host, namebuf, msglen);
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}
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msg.h.datalen = htons(msglen);
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sendto(fd, &msg, sizeof(msg.h)+msglen, 0, (void*)&srva, sizeof(srva));
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char rcvbuf[512];
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recvfrom(fd, rcvbuf, sizeof rcvbuf, 0, (void*)0, (void*)0);
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}
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}
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