starnakin/42_ft_ping
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fix: remove useless check

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starnakin
2025-12-18 09:45:48 -06:00
parent ee7965dad0
commit 2707a3aee2
1 changed files with 2 additions and 4 deletions
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6
src/main.c
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@@ -77,12 +77,10 @@ static int preload(struct setting const *settings, int sockfd, char const *packe
return 0; return 0;
} }
static int check_reply(struct sockaddr_in const *me, struct sockaddr_in const *sender, struct icmphdr *sent_hdr, struct icmphdr *recv_hdr, size_t sent_size, ssize_t recv_size) static int check_reply(struct icmphdr *sent_hdr, struct icmphdr *recv_hdr, size_t sent_size, ssize_t recv_size)
{ {
if (recv_size < (ssize_t) sizeof(struct icmphdr)) if (recv_size < (ssize_t) sizeof(struct icmphdr))
return 1; return 1;
if (memcmp(sender, me, sizeof(struct sockaddr_in)))
return 1;
if (recv_hdr->type == 8) if (recv_hdr->type == 8)
return 1; return 1;
if ((size_t) recv_size != sent_size) if ((size_t) recv_size != sent_size)
@@ -157,7 +155,7 @@ int main(int ac, char **av)
struct icmphdr *recv_hdr = (struct icmphdr *) (buffer + sizeof(struct iphdr)); struct icmphdr *recv_hdr = (struct icmphdr *) (buffer + sizeof(struct iphdr));
recv_size -= sizeof(struct iphdr); recv_size -= sizeof(struct iphdr);
if (check_reply(&settings.dest.ip, &sender, (struct icmphdr *) packet, recv_hdr, packet_size, recv_size)) if (check_reply((struct icmphdr *) packet, recv_hdr, packet_size, recv_size))
continue; continue;
if (recv_hdr->type == 0) if (recv_hdr->type == 0)