/* Messenger test * * This program adds a friend and accepts all friend requests with the proper message. * * It tries sending a message to the added friend. * * If it recieves a message from a friend it replies back. * * * This is how I compile it: gcc -O2 -Wall -D VANILLA_NACL -o test ../core/Lossless_UDP.c ../core/network.c ../core/net_crypto.c ../core/Messenger.c ../core/DHT.c ../nacl/build/${HOSTNAME%.*}/lib/amd64/{cpucycles.o,libnacl.a,randombytes.o} Messenger_test.c * * * Command line arguments are the ip and port of a node (for bootstrapping). * * EX: ./test 127.0.0.1 33445 */ #include "../core/Messenger.h" #ifdef WIN32 #define c_sleep(x) Sleep(1*x) #else #include #include #define c_sleep(x) usleep(1000*x) #endif //horrible function from one of my first C programs. //only here because I was too lazy to write a proper one. unsigned char * hex_string_to_bin(char hex_string[]) { unsigned char * val = malloc(strlen(hex_string)); char * pos = hex_string; int i=0; while(i < strlen(hex_string)) { sscanf(pos,"%2hhx",&val[i]); pos+=2; i++; } return val; } void print_request(uint8_t * public_key, uint8_t * data, uint16_t length) { printf("Friend request recieved from: \n"); printf("ClientID: "); uint32_t j; for(j = 0; j < 32; j++) { if(public_key[j] < 16) printf("0"); printf("%hhX", public_key[j]); } printf("\nOf length: %u with data: %s \n", length, data); if(length != sizeof("Install Gentoo")) { return; } if(memcmp(data , "Install Gentoo", sizeof("Install Gentoo")) == 0 ) //if the request contained the message of peace the person is obviously a friend so we add him. { printf("Friend request accepted.\n"); m_addfriend_norequest(public_key); } } void print_message(int friendnumber, uint8_t * string, uint16_t length) { printf("Message with length %u recieved from %u: %s \n", length, friendnumber, string); m_sendmessage(friendnumber, (uint8_t*)"Test1", 6); } int main(int argc, char *argv[]) { if (argc < 4) { printf("usage %s ip port public_key (of the DHT bootstrap node)\n", argv[0]); exit(0); } initMessenger(); m_callback_friendrequest(print_request); m_callback_friendmessage(print_message); printf("OUR ID: "); uint32_t i; for(i = 0; i < 32; i++) { if(self_public_key[i] < 16) printf("0"); printf("%hhX",self_public_key[i]); } char temp_id[128]; printf("\nEnter the client_id of the friend you wish to add (32 bytes HEX format):\n"); if(scanf("%s", temp_id) != 1) { return 1; } int num = m_addfriend(hex_string_to_bin(temp_id), (uint8_t*)"Install Gentoo", sizeof("Install Gentoo")); perror("Initialization"); IP_Port bootstrap_ip_port; bootstrap_ip_port.port = htons(atoi(argv[2])); bootstrap_ip_port.ip.i = inet_addr(argv[1]); DHT_bootstrap(bootstrap_ip_port, hex_string_to_bin(argv[3])); while(1) { m_sendmessage(num, (uint8_t*)"Test", 5); doMessenger(); c_sleep(30); } }