X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b31ef4f5104384d0d301dcd27d11b3a9861b1d82..refs/pull/910/head:/client/fpga_compress.c diff --git a/client/fpga_compress.c b/client/fpga_compress.c index 0c40f22f..418a02b8 100644 --- a/client/fpga_compress.c +++ b/client/fpga_compress.c @@ -1,4 +1,6 @@ //----------------------------------------------------------------------------- +// piwi, 2017, 2018 +// // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of // the license. @@ -11,40 +13,46 @@ #include #include +#include #include #include #include +#include "fpga.h" #include "zlib.h" #define MAX(a,b) ((a)>(b)?(a):(b)) // zlib configuration -#define COMPRESS_LEVEL 9 // use best possible compression -#define COMPRESS_WINDOW_BITS 15 // default = max = 15 for a window of 2^15 = 32KBytes -#define COMPRESS_MEM_LEVEL 9 // determines the amount of memory allocated during compression. Default = 8. +#define COMPRESS_LEVEL 9 // use best possible compression +#define COMPRESS_WINDOW_BITS 15 // default = max = 15 for a window of 2^15 = 32KBytes +#define COMPRESS_MEM_LEVEL 9 // determines the amount of memory allocated during compression. Default = 8. /* COMPRESS_STRATEGY can be Z_DEFAULT_STRATEGY (the default), Z_FILTERED (more huffmann, less string matching), Z_HUFFMAN_ONLY (huffman only, no string matching) Z_RLE (distances limited to one) Z_FIXED (prevents the use of dynamic Huffman codes) -*/ -#define COMPRESS_STRATEGY Z_DEFAULT_STRATEGY +*/ + +#define COMPRESS_STRATEGY Z_DEFAULT_STRATEGY // zlib tuning parameters: -#define COMPRESS_GOOD_LENGTH 258 -#define COMPRESS_MAX_LAZY 258 -#define COMPRESS_MAX_NICE_LENGTH 258 -#define COMPRESS_MAX_CHAIN 8192 +#define COMPRESS_GOOD_LENGTH 258 +#define COMPRESS_MAX_LAZY 258 +#define COMPRESS_MAX_NICE_LENGTH 258 +#define COMPRESS_MAX_CHAIN 8192 -#define FPGA_INTERLEAVE_SIZE 288 // (the FPGA's internal config frame size is 288 bits. Interleaving with 288 bytes should give best compression) -#define FPGA_CONFIG_SIZE 42336 // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE +#define HARDNESTED_TABLE_SIZE (sizeof(uint32_t) * ((1L<<19)+1)) static void usage(void) { - fprintf(stderr, "Usage: fpga_compress ... \n"); - fprintf(stderr, " Combine n FPGA bitstream files and compress them into one.\n\n"); - fprintf(stderr, " fpga_compress -d "); - fprintf(stderr, " Decompress . Write result to "); + fprintf(stdout, "Usage: fpga_compress ... \n"); + fprintf(stdout, " Combine n FPGA bitstream files and compress them into one.\n\n"); + fprintf(stdout, " fpga_compress -v ... \n"); + fprintf(stdout, " Extract Version Information from FPGA bitstream files and write it to \n\n"); + fprintf(stdout, " fpga_compress -d \n"); + fprintf(stdout, " Decompress . Write result to \n\n"); + fprintf(stdout, " fpga_compress -t \n"); + fprintf(stdout, " Compress hardnested table . Write result to \n\n"); } @@ -56,7 +64,7 @@ static voidpf fpga_deflate_malloc(voidpf opaque, uInt items, uInt size) static void fpga_deflate_free(voidpf opaque, voidpf address) { - return free(address); + free(address); } @@ -72,22 +80,29 @@ static bool all_feof(FILE *infile[], uint8_t num_infiles) } -int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) +int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile, bool hardnested_mode) { uint8_t *fpga_config; uint32_t i; - int ret; - uint8_t c; + int32_t ret; + uint8_t c; z_stream compressed_fpga_stream; - fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE); - + if (hardnested_mode) { + fpga_config = malloc(num_infiles * HARDNESTED_TABLE_SIZE); + } else { + fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE); + } // read the input files. Interleave them into fpga_config[] i = 0; do { - if (i >= num_infiles * FPGA_CONFIG_SIZE) { - fprintf(stderr, "Input files too big (total > %lu bytes). These are probably not PM3 FPGA config files.\n", num_infiles*FPGA_CONFIG_SIZE); + if (i >= num_infiles * (hardnested_mode?HARDNESTED_TABLE_SIZE:FPGA_CONFIG_SIZE)) { + if (hardnested_mode) { + fprintf(stderr, "Input file too big (> %lu bytes). This is probably not a hardnested bitflip state table.\n", HARDNESTED_TABLE_SIZE); + } else { + fprintf(stderr, "Input files too big (total > %lu bytes). These are probably not PM3 FPGA config files.\n", num_infiles*FPGA_CONFIG_SIZE); + } for(uint16_t j = 0; j < num_infiles; j++) { fclose(infile[j]); } @@ -97,7 +112,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) for(uint16_t j = 0; j < num_infiles; j++) { for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) { - c = fgetc(infile[j]); + c = (uint8_t)fgetc(infile[j]); if (!feof(infile[j])) { fpga_config[i++] = c; } else if (num_infiles > 1) { @@ -122,11 +137,11 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) COMPRESS_STRATEGY); // estimate the size of the compressed output - unsigned int outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in); + uint32_t outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in); uint8_t *outbuf = malloc(outsize_max); compressed_fpga_stream.next_out = outbuf; compressed_fpga_stream.avail_out = outsize_max; - + if (ret == Z_OK) { ret = deflateTune(&compressed_fpga_stream, COMPRESS_GOOD_LENGTH, @@ -139,10 +154,10 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) ret = deflate(&compressed_fpga_stream, Z_FINISH); } - fprintf(stderr, "compressed %lu input bytes to %lu output bytes\n", i, compressed_fpga_stream.total_out); + fprintf(stdout, "compressed %u input bytes to %lu output bytes\n", i, compressed_fpga_stream.total_out); if (ret != Z_STREAM_END) { - fprintf(stderr, "Error in deflate(): %d %s\n", ret, compressed_fpga_stream.msg); + fprintf(stderr, "Error in deflate(): %i %s\n", ret, compressed_fpga_stream.msg); free(outbuf); deflateEnd(&compressed_fpga_stream); for(uint16_t j = 0; j < num_infiles; j++) { @@ -177,7 +192,7 @@ int zlib_decompress(FILE *infile, FILE *outfile) #define DECOMPRESS_BUF_SIZE 1024 uint8_t outbuf[DECOMPRESS_BUF_SIZE]; uint8_t inbuf[DECOMPRESS_BUF_SIZE]; - int ret; + int32_t ret; z_stream compressed_fpga_stream; @@ -197,7 +212,7 @@ int zlib_decompress(FILE *infile, FILE *outfile) compressed_fpga_stream.next_in = inbuf; uint16_t i = 0; do { - int c = fgetc(infile); + int32_t c = fgetc(infile); if (!feof(infile)) { inbuf[i++] = c & 0xFF; compressed_fpga_stream.avail_in++; @@ -232,7 +247,7 @@ int zlib_decompress(FILE *infile, FILE *outfile) fclose(infile); return(EXIT_SUCCESS); } else { - fprintf(stderr, "Error. Inflate() returned error %d, %s", ret, compressed_fpga_stream.msg); + fprintf(stderr, "Error. Inflate() returned error %i, %s", ret, compressed_fpga_stream.msg); fclose(outfile); fclose(infile); return(EXIT_FAILURE); @@ -241,9 +256,162 @@ int zlib_decompress(FILE *infile, FILE *outfile) } +/* Simple Xilinx .bit parser. The file starts with the fixed opaque byte sequence + * 00 09 0f f0 0f f0 0f f0 0f f0 00 00 01 + * After that the format is 1 byte section type (ASCII character), 2 byte length + * (big endian), bytes content. Except for section 'e' which has 4 bytes + * length. + */ +static int bitparse_find_section(FILE *infile, char section_name, unsigned int *section_length) +{ + int result = 0; + #define MAX_FPGA_BIT_STREAM_HEADER_SEARCH 100 // maximum number of bytes to search for the requested section + uint16_t numbytes = 0; + while(numbytes < MAX_FPGA_BIT_STREAM_HEADER_SEARCH) { + char current_name = (char)fgetc(infile); + numbytes++; + if(current_name < 'a' || current_name > 'e') { + /* Strange section name, abort */ + break; + } + unsigned int current_length = 0; + switch(current_name) { + case 'e': + /* Four byte length field */ + current_length += fgetc(infile) << 24; + current_length += fgetc(infile) << 16; + numbytes += 2; + default: /* Fall through, two byte length field */ + current_length += fgetc(infile) << 8; + current_length += fgetc(infile) << 0; + numbytes += 2; + } + + if(current_name != 'e' && current_length > 255) { + /* Maybe a parse error */ + break; + } + + if(current_name == section_name) { + /* Found it */ + *section_length = current_length; + result = 1; + break; + } + + for (uint16_t i = 0; i < current_length && numbytes < MAX_FPGA_BIT_STREAM_HEADER_SEARCH; i++) { + (void)fgetc(infile); + numbytes++; + } + } + + return result; +} + + +static int FpgaGatherVersion(FILE *infile, char* infile_name, char *dst, int len) +{ + unsigned int fpga_info_len; + char tempstr[40] = {0x00}; + + dst[0] = '\0'; + + for (uint16_t i = 0; i < FPGA_BITSTREAM_FIXED_HEADER_SIZE; i++) { + if (fgetc(infile) != bitparse_fixed_header[i]) { + fprintf(stderr, "Invalid FPGA file. Aborting...\n\n"); + return(EXIT_FAILURE); + } + } + + strncat(dst, basename(infile_name), len-1); + // if (bitparse_find_section(infile, 'a', &fpga_info_len)) { + // for (uint16_t i = 0; i < fpga_info_len; i++) { + // char c = (char)fgetc(infile); + // if (i < sizeof(tempstr)) { + // tempstr[i] = c; + // } + // } + // strncat(dst, tempstr, len-1); + // } + strncat(dst, " built", len-1); + if (bitparse_find_section(infile, 'b', &fpga_info_len)) { + strncat(dst, " for ", len-1); + for (uint16_t i = 0; i < fpga_info_len; i++) { + char c = (char)fgetc(infile); + if (i < sizeof(tempstr)) { + tempstr[i] = c; + } + } + strncat(dst, tempstr, len-1); + } + if (bitparse_find_section(infile, 'c', &fpga_info_len)) { + strncat(dst, " on ", len-1); + for (uint16_t i = 0; i < fpga_info_len; i++) { + char c = (char)fgetc(infile); + if (i < sizeof(tempstr)) { + tempstr[i] = c; + } + } + strncat(dst, tempstr, len-1); + } + if (bitparse_find_section(infile, 'd', &fpga_info_len)) { + strncat(dst, " at ", len-1); + for (uint16_t i = 0; i < fpga_info_len; i++) { + char c = (char)fgetc(infile); + if (i < sizeof(tempstr)) { + tempstr[i] = c; + } + } + strncat(dst, tempstr, len-1); + } + return 0; +} + + +static void print_version_info_preamble(FILE *outfile, int num_infiles) { + fprintf(outfile, "//-----------------------------------------------------------------------------\n"); + fprintf(outfile, "// piwi, 2018\n"); + fprintf(outfile, "//\n"); + fprintf(outfile, "// This code is licensed to you under the terms of the GNU GPL, version 2 or,\n"); + fprintf(outfile, "// at your option, any later version. See the LICENSE.txt file for the text of\n"); + fprintf(outfile, "// the license.\n"); + fprintf(outfile, "//-----------------------------------------------------------------------------\n"); + fprintf(outfile, "// Version information on fpga images\n"); + fprintf(outfile, "//\n"); + fprintf(outfile, "// This file is generated by fpga_compress. Don't edit!\n"); + fprintf(outfile, "//-----------------------------------------------------------------------------\n"); + fprintf(outfile, "\n"); + fprintf(outfile, "\n"); + fprintf(outfile, "const int fpga_bitstream_num = %d;\n", num_infiles); + fprintf(outfile, "const char* const fpga_version_information[%d] = {\n", num_infiles); +} + + +static int generate_fpga_version_info(FILE *infile[], char *infile_names[], int num_infiles, FILE *outfile) { + + char version_string[80] = ""; + + print_version_info_preamble(outfile, num_infiles); + + for (int i = 0; i < num_infiles; i++) { + FpgaGatherVersion(infile[i], infile_names[i], version_string, sizeof(version_string)); + fprintf(outfile, "\t\"%s\"", version_string); + if (i != num_infiles-1) { + fprintf(outfile, ","); + } + fprintf(outfile,"\n"); + } + + fprintf(outfile, "};\n"); + + return 0; +} + + int main(int argc, char **argv) { FILE **infiles; + char **infile_names; FILE *outfile; if (argc == 1 || argc == 2) { @@ -251,7 +419,8 @@ int main(int argc, char **argv) return(EXIT_FAILURE); } - if (!strcmp(argv[1], "-d")) { // Decompress + if (!strcmp(argv[1], "-d")) { // Decompress + infiles = calloc(1, sizeof(FILE*)); if (argc != 4) { usage(); @@ -259,31 +428,56 @@ int main(int argc, char **argv) } infiles[0] = fopen(argv[2], "rb"); if (infiles[0] == NULL) { - fprintf(stderr, "Error. Cannot open input file %s", argv[2]); + fprintf(stderr, "Error. Cannot open input file %s\n\n", argv[2]); return(EXIT_FAILURE); } outfile = fopen(argv[3], "wb"); if (outfile == NULL) { - fprintf(stderr, "Error. Cannot open output file %s", argv[3]); + fprintf(stderr, "Error. Cannot open output file %s\n\n", argv[3]); return(EXIT_FAILURE); } return zlib_decompress(infiles[0], outfile); - } else { // Compress + } else { // Compress or gemerate version info - infiles = calloc(argc-2, sizeof(FILE*)); - for (uint16_t i = 0; i < argc-2; i++) { - infiles[i] = fopen(argv[i+1], "rb"); + bool hardnested_mode = false; + bool generate_version_file = false; + int num_input_files = 0; + if (!strcmp(argv[1], "-t")) { // compress one hardnested table + if (argc != 4) { + usage(); + return(EXIT_FAILURE); + } + hardnested_mode = true; + num_input_files = 1; + } else if (!strcmp(argv[1], "-v")) { // generate version info + generate_version_file = true; + num_input_files = argc-3; + } else { // compress 1..n fpga files + num_input_files = argc-2; + } + + infiles = calloc(num_input_files, sizeof(FILE*)); + infile_names = calloc(num_input_files, sizeof(char*)); + for (uint16_t i = 0; i < num_input_files; i++) { + infile_names[i] = argv[i+((hardnested_mode || generate_version_file)?2:1)]; + infiles[i] = fopen(infile_names[i], "rb"); if (infiles[i] == NULL) { - fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]); + fprintf(stderr, "Error. Cannot open input file %s\n\n", infile_names[i]); return(EXIT_FAILURE); } } outfile = fopen(argv[argc-1], "wb"); if (outfile == NULL) { - fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]); + fprintf(stderr, "Error. Cannot open output file %s\n\n", argv[argc-1]); return(EXIT_FAILURE); } - return zlib_compress(infiles, argc-2, outfile); + if (generate_version_file) { + if (generate_fpga_version_info(infiles, infile_names, num_input_files, outfile)) { + return(EXIT_FAILURE); + } + } else { + return zlib_compress(infiles, num_input_files, outfile, hardnested_mode); + } } }