From 5d3573ef7a109ee70416fe94db098fe6a769a798 Mon Sep 17 00:00:00 2001
From: SkyperTHC
Date: Tue, 3 Mar 2026 06:28:55 +0000
Subject: packetstorm sync

---
 other/telnetfp-0.1.2/telnetfp.cpp | 267 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 267 insertions(+)
 create mode 100644 other/telnetfp-0.1.2/telnetfp.cpp

(limited to 'other/telnetfp-0.1.2/telnetfp.cpp')

diff --git a/other/telnetfp-0.1.2/telnetfp.cpp b/other/telnetfp-0.1.2/telnetfp.cpp
new file mode 100644
index 0000000..f3bff8a
--- /dev/null
+++ b/other/telnetfp-0.1.2/telnetfp.cpp
@@ -0,0 +1,267 @@
+/*
+ * telnet do/dont negotiation fingerprinting
+ *    by Palmers / teso || pa1mers@gmx.de
+ */
+
+#include <telnetfp.hpp>
+
+
+class main_prog
+{
+private:
+tcp_socket con;
+tdfpdb db;
+short	verbose,
+	timeout;
+
+
+void
+convert_ascii_to_bin (char *line, unsigned char *bin)
+{
+  char *tmp = NULL;
+
+  line += 6;
+  while (line != NULL)
+    {
+      *bin = atoi (line);
+      bin++;
+      if ((tmp = strstr (line, " ")) == NULL)
+	return ;
+      line = tmp + 1;
+    }
+}
+
+
+public:
+
+void
+interactBin ()
+  {
+    unsigned char do_d[31], dont_d[31];
+
+    db.open ();
+    while (1)
+      {
+	memset (do_d, 0, 31);
+	memset (dont_d, 0, 31);
+	read (STDIN_FILENO, do_d, 30);
+	read (STDIN_FILENO, dont_d, 30);
+	db.find_in_db (do_d, dont_d);
+	db.reset ();
+      }
+  }
+
+
+void
+interactAscii ()
+  {
+    unsigned char line[LINE_LENGTH + 1], do_d[31], dont_d[31];
+
+    db.open ();
+    while (1)
+      {
+        memset (do_d, 0, 31);
+        memset (dont_d, 0, 31);
+        memset (line, 0, LINE_LENGTH + 1);
+        read (STDIN_FILENO, line, LINE_LENGTH);
+	if (strstr ((char *) line, "DO:   ") != NULL)
+	  {
+	    convert_ascii_to_bin ((char *) line, do_d);
+	    memset (line, 0, LINE_LENGTH + 1);
+	    read (STDIN_FILENO, line, LINE_LENGTH);
+	    if (strstr ((char *) line, "DONT: ") != NULL)
+	      {
+		convert_ascii_to_bin ((char *) line, dont_d);
+	        db.find_in_db (do_d, dont_d);
+		db.reset ();
+	      }
+	  }
+      }
+  }
+
+
+int
+switch_verbosity ()
+  {
+    return (verbose ^= 1);
+  }
+
+
+/*
+ * void send_will_wont (unsigned char *):
+ * reply to do / dont request with propper will / wont. 
+ */
+void
+send_will_wont (unsigned char *a)
+{
+  unsigned char will[] = {IAC, WILL, 0, 0},
+       wont[] = {IAC, WONT, 0, 0};
+  while (strlen ((char *) a) > 0)
+    {
+      if (a[0] == IAC)
+	{
+	  if (a[1] == DO)
+	    {
+	      will[2] = a[2];
+	      con.swrite ((char *) will);
+	    }
+	  else if (a[1] == DONT)
+	    {
+	      wont[2] = a[2];
+	      con.swrite ((char *) wont);
+	    }
+	}
+      a += 3;
+    }
+}
+
+
+void
+usage (char *s)
+{
+  printf ("Usage: %s [-v -d <file>] <host>\n", s);
+  printf ("\t-v:\t\t turn off verbose output\n");
+  printf ("\t-t <x>:\t\t set timeout for connect attemps\n");
+  printf ("\t-d <file>:\t define from which file finger prints shall be read (default: %s)\n", DEFAULT_DB);
+  printf ("\t-i (b|a):\t interactive mode. read either (b)inary or (a)scii fingerprints from stdin\n");
+  exit (1);
+}
+
+
+main_prog (int argc, char **argv)
+{
+  int x = 1;
+  printf (PROGRAM VERSION " by "AUTHOR "\n");
+  verbose = 1;
+  timeout = 5;
+
+  db.init ();
+
+  if (argc < 2)
+    usage (argv[0]);
+  while ((argc - 1) > x)
+    {
+      if (argv[x][0] == '-')
+	{
+	  switch (argv[x][1])
+	    {
+	      case 'v':
+	 	switch_verbosity ();
+		break;
+	      case 't':
+		x++;
+		timeout = atoi (argv[x]);
+		break;
+	      case 'd':
+		x++;
+		if (!((x) < argc))
+		  usage (argv[0]);
+		db.set (argv[x]);
+		break;
+	      case 'i':
+		x++;
+		if (argv[x][0] == 'b')
+		  {
+		    interactBin ();
+		  }
+		else if (argv[x][0] == 'a')
+		  {
+		    interactAscii ();
+		  }
+		else
+		  usage (argv[0]);
+		break;
+	      default:
+		usage (argv[0]);
+	    }
+	}
+      else
+	usage (argv[0]);
+      x++;
+  }
+  con.init ();
+  check (argv[argc - 1]);
+}
+
+
+void
+check (char *host)
+{
+  unsigned char *do_d = NULL, *dont_d = NULL;
+  int x = 0;
+
+  db.open ();
+  alarm (timeout);
+  if (con.sopen (host, 23) != 0)
+    {
+      printf ("sopen: can not connect to \"%s\"\n", host);
+      exit (3);
+    }
+/*
+ * 1.: get do's
+ */
+  if ((do_d = (unsigned char *) con.sread (30)) == NULL)
+    {
+      exit (4); 
+    }
+  if (verbose)
+    {
+      printf ("DO:   ");
+      for (x = 0; x < strlen ((char *) do_d); x++)
+        printf ("%d ", do_d[x]);
+      printf ("\n");
+    }
+
+/*
+ * 2.: reply will's
+ */
+  send_will_wont (do_d);
+
+/*
+ * 3.: get dont's
+ */
+  if ((dont_d = (unsigned char *) con.sread (30)) == NULL)
+    {
+      exit (5);
+    }
+  if (verbose)
+    {
+      printf ("DONT: ");
+      for (x = 0; x < strlen ((char *) dont_d); x++)
+        printf ("%d ", dont_d[x]);
+      printf ("\n");
+    }
+
+/*
+ * 4.: reply wont's
+ */
+  send_will_wont (dont_d);
+
+  con.sclose ();
+
+/*
+ * look up fp, do some output
+ */
+  db.find_in_db (do_d, dont_d);
+  db.close ();  
+  exit (0);
+}
+};
+
+
+void alarmHandler (int x)
+{
+  alarm (0);
+  fprintf (stderr, "got timeout\n");
+  return;
+}
+
+
+int
+main (int argc, char **argv)
+{
+  siginterrupt(SIGALRM, 1);
+  signal (SIGALRM, alarmHandler);
+
+  main_prog a(argc, argv);
+}
-- 
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