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make timeout work, add setcap makefile rule

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tomoron
2025-08-24 19:47:56 +02:00
parent b758a86083
commit 35c42d1f90
5 changed files with 28 additions and 16 deletions
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3
Makefile
View File

@ -34,6 +34,9 @@ $(OBJS_DIR)/%.o: $(SRCS_DIR)/%.c
$(OBJS_DIR)/%.pch: $(INCLUDES_DIR)/%.h
$(CC) $(FLAGS) -c $< -o $@
setcap: $(NAME)
sudo setcap cap_net_raw+ep $(NAME)
clean:
rm -rf $(OBJS_DIR)

24
srcs/ft_ping.c
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@ -6,7 +6,7 @@
/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/04/26 19:54:25 by tomoron #+# #+# */
/* Updated: 2025/08/22 15:45:44 by tomoron ### ########.fr */
/* Updated: 2025/08/24 19:44:50 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
@ -67,11 +67,18 @@ void ping_end_print(t_settings *set, char *host, t_stats *stats)
printf("round-trip min/avg/max/stddev = %.3f/%.3f/%.3f/%.3f ms\n", stats->min, stats->avg, stats->max, stddev);
}
__attribute__((always_inline))
int timeout_check(t_settings *set)
{
if (set->timeout == -1)
return (1);
return (timediff(&set->start_time) - 0.001 <= set->timeout);
}
int ping_host(t_settings *set, char *host)
{
uint16_t seq;
struct addrinfo *info;
struct timeval last_sent;
t_waitlist *wl;
t_waitlist *tmp;
t_stats stats;
@ -81,20 +88,20 @@ int ping_host(t_settings *set, char *host)
info = resolve_ip(host, set);
if(!info)
return(0);
last_sent.tv_sec = 0;
last_sent.tv_usec = 0;
wl = 0;
inet_ntop(info->ai_family, (void *)&((struct sockaddr_in *)(info->ai_addr))->sin_addr, set->current_ip, sizeof(set->current_ip));
ping_start_print(set, host);
ping_start_print(set, host);
while ((seq < set->count || set->count == 0) && !g_stop)
{
tmp = send_icmp(set, info, &seq, &last_sent, &stats);
tmp = send_icmp(set, info, &seq, &stats);
if(tmp)
waitlist_add(&wl, tmp);
usleep(100);
if (!timeout_check(set))
break ;
usleep(10);
receive_icmp(set, &wl, &stats);
}
while(wl && !g_stop && timediff(&set->last_send_time) < set->linger)
while(wl && !g_stop && timediff(&set->last_send_time) < set->linger && timeout_check(set))
receive_icmp(set, &wl, &stats);
ping_end_print(set, host, &stats);
freeaddrinfo(info);
@ -107,6 +114,7 @@ void send_pings(t_settings *set)
t_host_list *cur;
cur = set->hosts;
gettimeofday(&set->start_time, 0);
if(set->setTtl)
setsockopt(set->socket, IPPROTO_IP, IP_TTL, &set->ttl, sizeof(set->ttl));
while(cur)

10
srcs/icmp.c
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@ -6,7 +6,7 @@
/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/04/24 22:49:22 by tomoron #+# #+# */
/* Updated: 2025/08/13 16:35:29 by tomoron ### ########.fr */
/* Updated: 2025/08/24 17:08:44 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include "includes/ft_ping.h"
@ -63,14 +63,15 @@ t_icmp_echo prepare_icmp_echo(uint16_t sequence, uint16_t identifier)
return(packet);
}
t_waitlist *send_icmp(t_settings *set, struct addrinfo *host, uint16_t *seq, struct timeval *last, t_stats *stats)
t_waitlist *send_icmp(t_settings *set, struct addrinfo *host, uint16_t *seq, t_stats *stats)
{
t_icmp_echo packet;
t_waitlist *ret;
size_t len;
if(timediff(last) < set->interval)
if(timediff(&set->last_send_time) < set->interval)
return (0);
gettimeofday(&set->last_send_time, 0);
packet = prepare_icmp_echo(*seq, set->id);
len = sendto(set->socket, &packet, sizeof(t_icmp_echo), MSG_DONTWAIT, host->ai_addr, host->ai_addrlen);
if(len == (size_t)-1)
@ -79,11 +80,10 @@ t_waitlist *send_icmp(t_settings *set, struct addrinfo *host, uint16_t *seq, str
set->err = 1;
g_stop = 1;
}
gettimeofday(last, 0);
ret = malloc(sizeof(t_waitlist));
if(!ret)
return(0);
ret->time = *last;
ret->time = set->last_send_time;
ret->seq = *seq;
ret->next = 0;
stats->sent++;

5
srcs/includes/ft_ping.h
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@ -53,7 +53,7 @@ typedef struct s_settings
{
t_host_list *hosts;
int count; // -c (--count)
int timeout; // -w (--timeout)
double timeout; // -w (--timeout)
double interval; //-i (--interval)
int linger; //-W (--linger)
int ttl; // --ttl
@ -66,6 +66,7 @@ typedef struct s_settings
short err;
char *name;
struct timeval last_send_time;
struct timeval start_time;
char current_ip[INET_ADDRSTRLEN];
} t_settings;
@ -111,7 +112,7 @@ uint16_t calc_checksum(void *ptr, size_t len);
double timediff(struct timeval *from);
void show_ping_res_line(t_waitlist *cur, t_settings *set, uint16_t seq, t_stats *stats, uint8_t ttl);
void waitlist_free(t_waitlist *lst);
t_waitlist *send_icmp(t_settings *set, struct addrinfo *host, uint16_t *seq, struct timeval *last, t_stats *stats);
t_waitlist *send_icmp(t_settings *set, struct addrinfo *host, uint16_t *seq, t_stats *stats);
t_waitlist *waitlist_remove(t_waitlist **lst, t_icmp_ip_reply *res, int is_ttl_exceeded);
void waitlist_add(t_waitlist **waitlist, t_waitlist *elem);
void receive_icmp(t_settings *set, t_waitlist **wl, t_stats *stats);

2
srcs/parsing.c
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@ -6,7 +6,7 @@
/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/04/26 17:01:53 by tomoron #+# #+# */
/* Updated: 2025/08/20 17:10:02 by tomoron ### ########.fr */
/* Updated: 2025/08/24 16:43:35 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include "includes/ft_ping.h"