main.cpp

00001 /* Copyright (c) 2010 iZsh - izsh at fail0verflow.com
00002  *
00003  * This program is free software: you can redistribute it and/or modify
00004  * it under the terms of the GNU General Public License as published by
00005  * the Free Software Foundation, either version 3 of the License, or
00006  * (at your option) any later version.
00007  * 
00008  * This program is distributed in the hope that it will be useful,
00009  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00010  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011  * GNU General Public License for more details.
00012  *
00013  * You should have received a copy of the GNU General Public License
00014  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
00015  */
00016 // Based on
00017 // http://www.irongeek.com/i.php?page=security/barcode-flashing-led-fuzzer-bruteforcer-injector
00018 
00019 #include "mbed.h"
00020 #include "BarcodeLED.h"
00021 
00022 typedef struct
00023 {
00024     const char * str;
00025     const char * descr;
00026 } str_t;
00027 
00028 void readline(char Buffer[], int Size)
00029 {
00030     int i = 0;
00031     char c;
00032         
00033     while ((c = fgetc(stdin)) != '\r' && i < Size - 1) {
00034         putc(c, stdout);
00035         Buffer[i++] = c;
00036     }
00037     Buffer[i] = '\0';
00038 }
00039 
00040 void prompt(const str_t Barcodes[])
00041 {
00042     printf("\r\n");
00043     printf("=============\r\n");
00044     printf("command list:\r\n");
00045     printf("=============\r\n");
00046     printf("code <39 | 128a | 128b | 128c>\r\n");
00047     printf("preset <num>\r\n");
00048     for (int i = 0; i < 6; ++i)
00049         printf("\t%d: %s\r\n", i, Barcodes[i].descr);
00050     printf("send <string>\r\n");
00051     printf("> ");
00052 }
00053 
00054 // Very primitive parsing...
00055 void parse(const char Line[], const str_t Barcodes[], BarcodeLED & Barcode)
00056 {
00057     printf("\r\n");
00058     if (!strcmp(Line, "code 39")) {
00059         Barcode.SetCodetype(BarcodeLED::Code39);
00060         printf("Setting barcode to Code39\r\n");
00061     } else if (!strcmp(Line, "code 128a")) {
00062         Barcode.SetCodetype(BarcodeLED::Code128a);
00063         printf("Setting barcode to Code128a\r\n");
00064     } else if (!strcmp(Line, "code 128b")) {
00065         Barcode.SetCodetype(BarcodeLED::Code128b);
00066         printf("Setting barcode to Code128b\r\n");        
00067     } else if (!strcmp(Line, "code 128c")) {
00068         Barcode.SetCodetype(BarcodeLED::Code128c);
00069         printf("Setting barcode to Code128c\r\n");
00070     } else if (!strncmp(Line, "preset ", 7)) {
00071         int num = -1;
00072         sscanf(Line, "preset %d", &num);
00073         if (num != -1 && num < 6)
00074             Barcode.Emit(Barcodes[num].str);
00075         else
00076             printf("=> Unknown string ID!\r\n");
00077     } else if (!strncmp(Line, "send ", 5)) {
00078         Barcode.Emit(Line + 5);
00079     } else {
00080         printf("=> Command not found!\r\n");
00081     }
00082 }
00083 
00084 int main()
00085 {
00086     BarcodeLED barcode(LED1, BarcodeLED::Code39);
00087     DigitalOut led(LED4);
00088 
00089     str_t barcodes[] = {
00090         {"0123456789", "numeric"},
00091         {"abc123", "simple alphanum"},
00092         {"<script>alert(\"Hello World!\")</script>", "XSS"},
00093         {"' or 1=1 -- ", "SQL injection"},
00094         {"X5O!P%@AP[4\\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*", "EICAR test string"},
00095         {"TRY TO PASTE v", "Ctrl-V in 128a"},
00096     };
00097 
00098     barcode.SetVerbose(true);
00099 
00100     while(1) {
00101         char buffer[512];
00102         memset(buffer, '\0', 512);
00103         prompt(barcodes);
00104         readline(buffer, 512);
00105         parse(buffer, barcodes, barcode);
00106         led = 1;
00107         wait(0.2);
00108         led = 0;
00109         wait(0.2);
00110     }
00111 }