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+/*! |
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+ * @file address.c |
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+ * @author HiSEON (ikseon@nepirity.com) |
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+ * |
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+ * @internal |
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+ * Created: 2018년 03월 20일 |
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+ * Copyright: Copyright (c) 2018, Kang IkSeon |
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+ */ |
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+ |
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+#include <stdio.h> |
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+#include <string.h> |
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+ |
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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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+ |
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+#include <pcap.h> |
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+ |
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+int main(void) {
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+ pcap_if_t *alldevs; |
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+ pcap_if_t *d; |
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+ struct pcap_addr *a; |
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+ int i = 0; |
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+ int no; |
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+ |
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+ char errbuf[PCAP_ERRBUF_SIZE]; |
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+ |
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+ if (pcap_findalldevs(&alldevs, errbuf) < 0) {
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+ printf("pcap_findalldevs error\n");
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+ return 1; |
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+ } |
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+ |
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+ for (d=alldevs; d; d=d->next) {
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+ printf("%d : %s\n", ++i, d->name);
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+ } |
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+ |
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+ printf("number : ");
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+ scanf("%d", &no);
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+ |
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+ if (!(no > 0 && no <= i)) {
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+ printf("number error\n");
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+ return 1; |
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+ } |
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+ |
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+ for (d=alldevs, i=0; d; d=d->next) {
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+ if (no == ++i) break; |
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+ } |
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+ |
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+ printf("name : %s\n", d->name);
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+ |
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+ if (d->description) |
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+ printf("description : %s\n", d->description);
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+ |
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+ for (a = d->addresses; a; a=a->next) {
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+ struct sockaddr_in *in_addr |
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+ = (struct sockaddr_in *)a->addr; |
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+ |
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+ switch (a->addr->sa_family) {
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+ case AF_INET: |
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+ printf("address : %s\n", inet_ntoa(in_addr->sin_addr));
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+ break; |
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+ } |
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+ } |
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+ |
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+ pcap_freealldevs(alldevs); |
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+ |
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+ return 0; |
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+} |
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+ |