X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9152bda8175521919696f8a14786f71442bbc4f0..refs/pull/278/head:/client/fpga_compress.c?ds=sidebyside diff --git a/client/fpga_compress.c b/client/fpga_compress.c index 5c168292..28154243 100644 --- a/client/fpga_compress.c +++ b/client/fpga_compress.c @@ -19,25 +19,26 @@ #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 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 static void usage(void) { @@ -76,8 +77,8 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) { 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); @@ -85,6 +86,16 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) // 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 > %u 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]); + } + free(fpga_config); + return(EXIT_FAILURE); + } + for(uint16_t j = 0; j < num_infiles; j++) { for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) { c = fgetc(infile[j]); @@ -96,13 +107,6 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) } } - if (i > num_infiles * FPGA_CONFIG_SIZE) { - fprintf(stderr, "Input files too big (total > %lu bytes). These are probably not PM3 FPGA config files.", num_infiles*FPGA_CONFIG_SIZE); - for(uint16_t j = 0; j < num_infiles; j++) { - fclose(infile[j]); - } - return -1; - } } while (!all_feof(infile, num_infiles)); // initialize zlib structures @@ -110,7 +114,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) compressed_fpga_stream.avail_in = i; compressed_fpga_stream.zalloc = fpga_deflate_malloc; compressed_fpga_stream.zfree = fpga_deflate_free; - + compressed_fpga_stream.opaque = Z_NULL; ret = deflateInit2(&compressed_fpga_stream, COMPRESS_LEVEL, Z_DEFLATED, @@ -119,11 +123,11 @@ 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, @@ -136,10 +140,10 @@ 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(stderr, "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++) { @@ -148,7 +152,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) fclose(outfile); free(infile); free(fpga_config); - return -1; + return(EXIT_FAILURE); } for (i = 0; i < compressed_fpga_stream.total_out; i++) { @@ -164,7 +168,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) free(infile); free(fpga_config); - return 0; + return(EXIT_SUCCESS); } @@ -174,7 +178,7 @@ 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; @@ -185,6 +189,7 @@ int zlib_decompress(FILE *infile, FILE *outfile) compressed_fpga_stream.avail_out = DECOMPRESS_BUF_SIZE; compressed_fpga_stream.zalloc = fpga_deflate_malloc; compressed_fpga_stream.zfree = fpga_deflate_free; + compressed_fpga_stream.opaque = Z_NULL; ret = inflateInit2(&compressed_fpga_stream, 0); @@ -193,9 +198,9 @@ int zlib_decompress(FILE *infile, FILE *outfile) compressed_fpga_stream.next_in = inbuf; uint16_t i = 0; do { - uint8_t c = fgetc(infile); + int32_t c = fgetc(infile); if (!feof(infile)) { - inbuf[i++] = c; + inbuf[i++] = c & 0xFF; compressed_fpga_stream.avail_in++; } else { break; @@ -226,12 +231,12 @@ int zlib_decompress(FILE *infile, FILE *outfile) } fclose(outfile); fclose(infile); - return 0; + 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 -1; + return(EXIT_FAILURE); } } @@ -244,41 +249,41 @@ int main(int argc, char **argv) if (argc == 1 || argc == 2) { usage(); - return -1; + return(EXIT_FAILURE); } - if (!strcmp(argv[1], "-d")) { // Decompress + if (!strcmp(argv[1], "-d")) { // Decompress infiles = calloc(1, sizeof(FILE*)); if (argc != 4) { usage(); - return -1; + return(EXIT_FAILURE); } infiles[0] = fopen(argv[2], "rb"); if (infiles[0] == NULL) { fprintf(stderr, "Error. Cannot open input file %s", argv[2]); - return -1; + return(EXIT_FAILURE); } outfile = fopen(argv[3], "wb"); if (outfile == NULL) { fprintf(stderr, "Error. Cannot open output file %s", argv[3]); - return -1; + return(EXIT_FAILURE); } return zlib_decompress(infiles[0], outfile); - } else { // Compress + } else { // Compress infiles = calloc(argc-2, sizeof(FILE*)); for (uint16_t i = 0; i < argc-2; i++) { infiles[i] = fopen(argv[i+1], "rb"); if (infiles[i] == NULL) { fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]); - return -1; + return(EXIT_FAILURE); } } outfile = fopen(argv[argc-1], "wb"); if (outfile == NULL) { fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]); - return -1; + return(EXIT_FAILURE); } return zlib_compress(infiles, argc-2, outfile); }