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fix: add the dest address to conn_addr (bozo)

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This commit is contained in:
0x35c 2025-05-26 12:43:50 +02:00
parent 1ffb554a32
commit 3213a56d1b
1 changed files with 10 additions and 0 deletions
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10
src/packet.c
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@ -95,11 +95,21 @@ static void *create_packet(const struct scan *data, size_t packet_size)
int send_packets(const struct scan *data, int sockfd)
{
struct sockaddr_in conn_addr;
conn_addr.sin_family = AF_INET;
conn_addr.sin_addr.s_addr = inet_addr(data->dest_addr);
size_t packet_size = sizeof(struct iphdr) +
(data->type == SCAN_UDP ? sizeof(struct udphdr)
: sizeof(struct tcphdr));
void *packet = create_packet(data, packet_size);
int one = 1;
const int *val = &one;
if (setsockopt(sockfd, IPPROTO_IP, IP_HDRINCL, val, sizeof(one)) < 0) {
perror("Error setting IP_HDRINCL");
return -1;
}
sendto(sockfd, packet, packet_size, 0, (struct sockaddr *)&conn_addr,
sizeof(struct sockaddr_in));
free(packet);