pasring start

Makefile

@@ -1,6 +1,6 @@
 NAME = ft_ping
 CC=cc
-FLAGS=-Werror -Wextra -Wall -g
+FLAGS=-Werror -Wextra -Wall -g -Wno-unused-result
 
 SRCS_DIR = srcs
 OBJS_DIR = .objs

srcs/ft_ping.c

@@ -6,24 +6,60 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/24 00:03:56 by tomoron           #+#    #+#             */
-/*   Updated: 2025/04/24 22:50:08 by tomoron          ###   ########.fr       */
+/*   Updated: 2025/04/25 19:29:48 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "includes/ft_ping.h"
 
+void show_help(t_settings *set, char *name)
+{
+	set->stop = 1;
+	write(1, "Usage: ", 7);
+	write(1, name, strlen(name));
+	write(1, HELP_MESSAGE, sizeof(HELP_MESSAGE));
+}
+
+void parse_opt(int *i, t_settings *set, int argc, char **argv)
+{
+	(void)argc;
+	if(!strcmp(argv[*i], "-?") || !strcmp(argv[*i], "--help"))
+		show_help(set, *argv);
+	if(!strcmp(argv[*i], "-c") || !strcmp(argv[*i], "--count"))
+		get_setting(i, &set->count, argc, argv);
+	if(!strcmp(argv[*i], "-w") || !strcmp(argv[*i], "--timeout"))
+		get_setting(i, &set->timeout, argc, argv);
+	if(!strcmp(argv[*i], "-f") || !strcmp(argv[*i], "--flood"))
+		set->flood = 1;
+	if(!strcmp(argv[*i], "-n") || !strcmp(argv[*i], "--numeric"))
+		set->no_resolve = 1;
+
+	(*i)++;
+}
+
+t_settings parse_args(int argc, char **argv)
+{
+	int i;
+	t_settings res;
+
+	i = 1;
+	bzero(&res, sizeof(t_settings));
+	while(i < argc)
+	{
+		if(*argv[i] == '-')
+			parse_opt(&i, &res, argc, argv);
+
+	}
+	return(res);
+}
 
 int main(int argc, char **argv)
 {
-	(void)argc;
+	t_settings settings;
-	(void)argv;
-	t_icmp_echo packet;
-	int fd;
 
-	packet = prepare_icmp_echo(0, 1);
+	settings = parse_args(argc, argv);
-	fd = open("test", O_WRONLY | O_CREAT, 0700);
+	if(settings.stop || settings.err)
-	write(fd, &packet, sizeof(t_icmp_echo));
+		return((settings.err != 0) * 64);
-	printf("checksum : %x\n", packet.checksum);
 
 	return(0);
 }

srcs/icmp.c

@@ -6,7 +6,7 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/24 22:49:22 by tomoron           #+#    #+#             */
-/*   Updated: 2025/04/24 22:52:09 by tomoron          ###   ########.fr       */
+/*   Updated: 2025/04/25 19:14:34 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #include "includes/ft_ping.h"
@@ -16,7 +16,6 @@ static void set_packet_data(uint8_t *packet_data)
 	int i;
 
 	i = 0;
-
 	while(i < PACKET_DATA_LENGTH)
 	{
 		packet_data[i] = i;
@@ -57,8 +56,6 @@ t_icmp_echo prepare_icmp_echo(uint16_t sequence, uint16_t identifier)
 	packet.sequence = htons(sequence);
 	set_packet_data(packet.data);
 	gettimeofday(&packet.time, 0);
-	packet.time.tv_sec = bswap_64(packet.time.tv_sec);
-	packet.time.tv_usec = bswap_64(packet.time.tv_usec);
 
 	packet.checksum = 0;
 	packet.checksum = calc_checksum(&packet, sizeof(t_icmp_echo));

srcs/includes/ft_ping.h

@@ -13,12 +13,22 @@
 
 #define PACKET_DATA_LENGTH 40
 
+#define HELP_MESSAGE " [OPTION...] HOST ...\n\
+Send ICMP ECHO_REQUEST packets to network hosts.\n"
+
 
 typedef struct s_settings
 {
 	char	*host;
-	int		count; 
+	int		count;	// -c (--count)
-	int		ttl;
+	int		timeout; // -w (--timeout)
+	short	flood;	// -f (--flood)
+	short	no_resolve; //-n (--numeric)
+	int		ttl;	// --ttl
+	
+	short	stop;
+	short	err;
+	
 } t_settings;