- Added very basic scripting support to PM3 client-side (proxmark3 application)

- Created several scripts to aid in EML/MFD file conversion
 - Created script which generates PM3-scripts for emulation based on MFD/EML input files

client/eml2UPPER.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Andrei Costin <zveriu@gmail.com>, 2011
+# eml2UPPER.sh
+# Converts PM3 Mifare Classic emulator EML file to UPPER case (for easier comparison in some text-comparison tools)
+
+# http://www.linuxquestions.org/questions/programming-9/bash-script-parsing-optional-parameters-621728/
+
+# show program usage
+show_usage()
+{
+    echo
+    echo "Usage:"
+    echo "${0##/} input.eml output.eml"
+    exit
+}
+
+# Minimum number of arguments needed by this program
+MINARGS=2
+
+# get the number of command-line arguments given
+ARGC=$#
+
+# check to make sure enough arguments were given or exit
+if [[ $ARGC -lt $MINARGS ]] ; then
+    echo "Too few arguments given (Minimum:$MINARGS)"
+    echo
+    show_usage
+fi
+
+tr '[:lower:]' '[:upper:]' < $1 > $2

client/eml2lower.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Andrei Costin <zveriu@gmail.com>, 2011
+# eml2lower.sh
+# Converts PM3 Mifare Classic emulator EML file to lower case (for easier comparison in some text-comparison tools)
+
+# http://www.linuxquestions.org/questions/programming-9/bash-script-parsing-optional-parameters-621728/
+
+# show program usage
+show_usage()
+{
+    echo
+    echo "Usage:"
+    echo "${0##/} input.eml output.eml"
+    exit
+}
+
+# Minimum number of arguments needed by this program
+MINARGS=2
+
+# get the number of command-line arguments given
+ARGC=$#
+
+# check to make sure enough arguments were given or exit
+if [[ $ARGC -lt $MINARGS ]] ; then
+    echo "Too few arguments given (Minimum:$MINARGS)"
+    echo
+    show_usage
+fi
+
+tr '[:upper:]' '[:lower:]' < $1 > $2

client/gen_pm3mfsim_script.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Andrei Costin <zveriu@gmail.com>, 2011
+# gen_pm3mfsim_script.sh
+# Generates Mifare Classic emulation script file that will load a given EML dump into PM3 and start emulation automagically
+
+# http://www.linuxquestions.org/questions/programming-9/bash-script-parsing-optional-parameters-621728/
+
+# show program usage
+show_usage()
+{
+    echo
+    echo "Usage:"
+    echo "${0##/} input_eml_without_extension output.pm3scr"
+    exit
+}
+
+# Minimum number of arguments needed by this program
+MINARGS=2
+
+# get the number of command-line arguments given
+ARGC=$#
+
+# check to make sure enough arguments were given or exit
+if [[ $ARGC -lt $MINARGS ]] ; then
+    echo "Too few arguments given (Minimum:$MINARGS)"
+    echo
+    show_usage
+fi
+
+rm $2
+echo "hf mf eclr" >> $2
+echo "hf mf eload" $1 >> $2
+echo "hf mf ekeyprn" >> $2
+echo "hf mf sim" `cat $1.eml | (read -n 8 uid; echo $uid)` >> $2

client/pm3_eml2mfd.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python
+
+'''
+# Andrei Costin <zveriu@gmail.com>, 2011
+# pm3_eml2mfd.py
+# Converts PM3 Mifare Classic emulator EML text file to MFD binary dump file
+'''
+
+import sys
+import binascii
+
+def main(argv):
+    argc = len(argv)
+    if argc < 3:
+        print 'Usage:', argv[0], 'input.eml output.mfd'
+        sys.exit(1)
+
+    try:
+        file_inp = open(argv[1], "r")
+        file_out = open(argv[2], "wb")
+        line = file_inp.readline()
+        while line:
+            line = line.rstrip('\n')
+            line = line.rstrip('\r')
+            print line
+            data = binascii.unhexlify(line)
+            file_out.write(data)
+            line = file_inp.readline()
+
+    finally:
+        file_inp.close()
+        file_out.close()
+
+main(sys.argv)

client/pm3_mfd2eml.py

@@ -0,0 +1,35 @@
+#!/usr/bin/python
+
+'''
+# Andrei Costin <zveriu@gmail.com>, 2011
+# pm3_eml2mfd.py
+# Converts PM3 Mifare Classic MFD binary dump file to emulator EML text file
+'''
+
+import sys
+import binascii
+
+def main(argv):
+    argc = len(argv)
+    if argc < 3:
+        print 'Usage:', argv[0], 'input.mfd output.eml'
+        sys.exit(1)
+
+    try:
+        file_inp = open(argv[1], "rb")
+        file_out = open(argv[2], "w")
+        
+        while 1:
+            # TODO: need to use defines instead of hardcoded 16, 64, etc.
+            byte_s = file_inp.read(16)
+            if not byte_s:
+                break
+            hex_char_repr = binascii.hexlify(byte_s)
+            file_out.write(hex_char_repr)
+            file_out.write("\n")
+    
+    finally:
+        file_inp.close()
+        file_out.close()
+
+main(sys.argv)

client/proxmark3.c

@@ -29,6 +29,7 @@ struct usb_receiver_arg
 struct main_loop_arg
 {
   int usb_present;
+  char *script_cmds_file;
 };
 
 static void *usb_receiver(void *targ)
@@ -59,9 +60,51 @@ static void *main_loop(void *targ)
         pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
     }
     
+    FILE *script_file = NULL;
+    char script_cmd_buf[256];
+    
+    if (arg->script_cmds_file)
+    {
+        script_file = fopen(arg->script_cmds_file, "r");
+        if (script_file)
+        {
+            printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
+        }
+    }
+
 	read_history(".history");
-	while(1) {
+	while(1)
+        {
+	    // If there is a script file
+	    if (script_file)
+	    {
+	        if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
+	        {
+	            fclose(script_file);
+	            script_file = NULL;
+	        }
+	        else
+	        {
+	            char *nl;
+	            nl = strrchr(script_cmd_buf, '\r');
+                    if (nl) *nl = '\0';
+                    nl = strrchr(script_cmd_buf, '\n');
+                    if (nl) *nl = '\0';
+	            
+                    if ((cmd = (char*) malloc(strlen(script_cmd_buf))) != NULL)
+                    {
+                        memset(cmd, 0, strlen(script_cmd_buf));
+                        strcpy(cmd, script_cmd_buf);
+                        printf("%s\n", cmd);
+                    }
+	        }
+	    }
+		
+		if (!script_file)
+		{
 		    cmd = readline(PROXPROMPT);
+		}
+		
 		if (cmd) {
 			while(cmd[strlen(cmd) - 1] == ' ')
 			cmd[strlen(cmd) - 1] = 0x00;
@@ -88,6 +131,12 @@ static void *main_loop(void *targ)
         pthread_join(reader_thread, NULL);
     }
     
+    if (script_file)
+    {
+        fclose(script_file);
+        script_file = NULL;
+    }
+
     ExitGraphics();
     pthread_exit(NULL);
     return NULL;
@@ -95,10 +144,20 @@ static void *main_loop(void *targ)
 
 int main(int argc, char **argv)
 {
-  struct main_loop_arg marg;
+  // Make sure to initialize
+  struct main_loop_arg marg = {
+    .usb_present = 0,
+    .script_cmds_file = NULL
+  };
   pthread_t main_loop_t;
   usb_init();
 
+  // If the user passed the filename of the 'script' to execute, get it
+  if (argc > 1 && argv[1])
+  {
+    marg.script_cmds_file = argv[1];
+  }
+
   if (!OpenProxmark(1)) {
     fprintf(stderr,"PROXMARK3: NOT FOUND!\n");
     marg.usb_present = 0;