+ print_debug

+ print_error
matricali · Dec 30, 2017 · eacb64b · eacb64b
1 parent fad74dd
commit eacb64b
Showing 1 changed file with 20 additions and 18 deletions.
diff --git a/honeypot-detector.c b/honeypot-detector.c
@@ -39,14 +39,15 @@ int probe(char *serverAddr, unsigned int serverPort)
     struct sockaddr_in addr;
     int sockfd, ret;
     char buffer[BUF_SIZE];
+    char *banner = NULL;
 
     sockfd = socket(AF_INET, SOCK_STREAM, 0);
     if (sockfd < 0) {
-        print_error("Error creating socket!\n");
+        print_error("Error creating socket!");
         sockfd = 0;
         return -1;
     }
-    print_debug("Socket created.\n");
+    print_debug("Socket created.");
 
     struct timeval timeout;
     timeout.tv_sec = 10;
@@ -61,76 +62,77 @@ int probe(char *serverAddr, unsigned int serverPort)
     addr.sin_addr.s_addr = inet_addr(serverAddr);
     addr.sin_port = htons(serverPort);
 
-    print_debug("\t[-] %s:%d Connecting...\n", serverAddr, serverPort);
+    print_debug("\t[-] %s:%d - Connecting...", serverAddr, serverPort);
     ret = connect(sockfd, (struct sockaddr *) &addr, sizeof(addr));
     if (ret < 0) {
-        print_error("%s:%d - Error connecting to the server!\n", serverAddr, serverPort);
+        print_error("%s:%d - Error connecting to the server!", serverAddr, serverPort);
         close(sockfd);
         sockfd = 0;
         return -1;
     }
-    print_debug("\t[!] %s:%d Connected.\n", serverAddr, serverPort);
+    print_debug("\t[+] %s:%d - Connected.", serverAddr, serverPort);
 
     memset(buffer, 0, BUF_SIZE);
 
     // RECIBIR BANNER
     ret = recvfrom(sockfd, buffer, BUF_SIZE, 0, NULL, NULL);
     if (ret < 0) {
-        print_error("%s:%d - Error receiving banner!\n", serverAddr, serverPort);
+        print_error("%s:%d - Error receiving banner!", serverAddr, serverPort);
         close(sockfd);
         sockfd = 0;
         return -1;
     }
-    print_debug("\t[-] %s:%d - BANNER: %s\n", serverAddr, serverPort, buffer);
+    banner = malloc(sizeof(char) * 1024);
+    banner = strdup(strtok(buffer, "\n"));
+    print_debug("\t[?] %s:%d - %s", serverAddr, serverPort, banner);
 
     char *pkt1 = "SSH-2.0-OpenSSH_7.5";
     char *pkt2 = "\n";
     char *pkt3 = "asd\n      ";
     char *search = "Protocol mismatch.";
 
-    print_debug("\t[<] %s:%d - Sending pkt1: %s\n", serverAddr, serverPort, pkt1);
+    print_debug("\t[<] %s:%d - Sending pkt1: %s", serverAddr, serverPort, strtok(pkt1, "\n"));
     ret = sendto(sockfd, pkt1, sizeof(pkt1), 0, (struct sockaddr *) &addr, sizeof(addr));
 
     if (ret < 0) {
-        print_error("%s:%d - Error sending data pkt1!!\n", serverAddr, serverPort);
+        print_error("%s:%d - Error sending data pkt1!!", serverAddr, serverPort);
         close(sockfd);
         sockfd = 0;
         return -1;
     }
 
-    print_debug("\t[<] %s:%d - Sending pkt2: %s\n", serverAddr, serverPort, pkt2);
+    print_debug("\t[<] %s:%d - Sending pkt2: %s", serverAddr, serverPort, pkt2);
     ret = sendto(sockfd, pkt2, sizeof(pkt2), 0, (struct sockaddr *) &addr, sizeof(addr));
 
     if (ret < 0) {
-        print_error("%s:%d - Error sending data pkt2!!\n", serverAddr, serverPort);
+        print_error("%s:%d - Error sending data pkt2!!", serverAddr, serverPort);
         close(sockfd);
         sockfd = 0;
         return -1;
     }
 
-    print_debug("\t[<] %s:%d - Sending pkt3: %s\n", serverAddr, serverPort, pkt3);
+    print_debug("\t[<] %s:%d - Sending pkt3: %s", serverAddr, serverPort, pkt3);
     ret = sendto(sockfd, pkt3, sizeof(pkt3), 0, (struct sockaddr *) &addr, sizeof(addr));
 
     if (ret < 0) {
-        print_error("%s:%d - Error sending data pkt3!!\n", serverAddr, serverPort);
+        print_error("%s:%d - Error sending data pkt3!!", serverAddr, serverPort);
         close(sockfd);
         sockfd = 0;
         return -1;
     }
 
-    print_debug("\t[>] %s:%d - Receiving...\n", serverAddr, serverPort);
+    print_debug("\t[>] %s:%d - Receiving...", serverAddr, serverPort);
     ret = recvfrom(sockfd, buffer, BUF_SIZE, 0, NULL, NULL);
     if (ret < 0) {
-        print_error("%s:%d - Error receiving response!!\n", serverAddr, serverPort);
+        print_error("%s:%d - Error receiving response!!", serverAddr, serverPort);
         close(sockfd);
         sockfd = 0;
         return -1;
     }
-    print_debug("\t[+] %s:%d - Received: %s\n", serverAddr, serverPort, buffer);
-
+    print_debug("\t[+] %s:%d - Received: %s", serverAddr, serverPort, buffer);
 
     if (strstr(buffer, search) != NULL) {
-        printf("\t[+] %s:%d - OK\n", serverAddr, serverPort);
+        printf("\t[+] %s:%d - %s\n", serverAddr, serverPort, banner);
     } else {
         printf("\t[!] %s:%d - POSSIBLE HONEYPOT!\n", serverAddr, serverPort);
     }