allow mf1k reader attack from file full of UIDs

[proxmark3-svn] / client / fpga_compress.c

diff --git a/client/fpga_compress.c b/client/fpga_compress.c
index 2779e8350ec90870ed8a6d779b43cda09ce2aa79..0c40f22f15a1e7cff37259a2eaa2fff18963d929 100644 (file)
--- a/client/fpga_compress.c
+++ b/client/fpga_compress.c
@@ -91,6 +91,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
                        for(uint16_t j = 0; j < num_infiles; j++) {
                                fclose(infile[j]);
                        }
+                       free(fpga_config);
                        return(EXIT_FAILURE);
                }
 
@@ -112,7 +113,7 @@ 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,
@@ -187,6 +188,7 @@ 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);
        
@@ -195,9 +197,9 @@ int zlib_decompress(FILE *infile, FILE *outfile)
                        compressed_fpga_stream.next_in = inbuf;
                        uint16_t i = 0;
                        do {
-                               uint8_t c = fgetc(infile);
+                               int c = fgetc(infile);
                                if (!feof(infile)) {
-                                       inbuf[i++] = c;
+                                       inbuf[i++] = c & 0xFF;
                                        compressed_fpga_stream.avail_in++;
                                } else {
                                        break;