Created
July 22, 2017 11:10
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| /* | |
| *A header with all includes. | |
| */ | |
| #include "program.h" | |
| int main() | |
| { | |
| struct sockaddr_in socketaddress_in; | |
| struct icmphdr *icmp_header; | |
| char response[2048]; | |
| int length = 2048; | |
| int socket_descriptor = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); | |
| printf("[ICMP] socket descriptor is %i\n", socket_descriptor); | |
| /* | |
| * Filling socketaddress_in (sockaddr_in) structure with information. | |
| */ | |
| socketaddress_in.sin_family = AF_INET; | |
| socketaddress_in.sin_addr.s_addr = inet_addr("192.168.42.1"); | |
| socketaddress_in.sin_port = 0; | |
| /* | |
| * Filling icmp_header (icmphdr) structure with information. | |
| */ | |
| icmp_header = (struct icmphdr *)response; | |
| icmp_header->type = ICMP_ECHO; | |
| icmp_header->code = 0; | |
| icmp_header->un.echo.id = getpid(); | |
| icmp_header->checksum = 0; | |
| int status_code = sendto(socket_descriptor, response, length, 0, (struct sockaddr *)&socketaddress_in, sizeof(struct sockaddr_in)); | |
| printf("[ICMP] sendto() has send %i bytes succesfull.\n", status_code); | |
| return EXIT_SUCCESS; | |
| } |
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