49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* target.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2026/03/30 12:09:48 by rparodi #+# #+# */
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/* Updated: 2026/03/30 15:42:55 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "macro.h"
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#include "struct.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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char *_ip_addr(struct addrinfo *res) {
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char ip_str[INET_ADDRSTRLEN];
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struct sockaddr_in *ip = (struct sockaddr_in *)res->ai_addr;
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inet_ntop(AF_INET, &ip->sin_addr, ip_str, sizeof(ip_str));
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return strdup(ip_str);
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}
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void check_target(t_flags *flags, char *target) {
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struct addrinfo hints, *res;
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bzero(&hints, sizeof(struct addrinfo));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_RAW;
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hints.ai_protocol = IPPROTO_ICMP;
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int err = getaddrinfo(target, NULL, &hints, &res);
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if (err != 0) {
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ERROR_LOG("ft_ping: unknown host");
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exit(EXIT_FAILURE);
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}
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flags->input = target;
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flags->destination = _ip_addr(res);
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freeaddrinfo(res);
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}
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