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EM4x05/EM4x69 continued + a couple of icemans utils.
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parent
6f1a597855
commit
59f726c989
4 changed files with 134 additions and 24 deletions
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@ -110,6 +110,23 @@ void print_hex(const uint8_t * data, const size_t len)
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printf("\n");
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}
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void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) {
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int rownum = 0;
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printf("[%02d] | ", rownum);
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for (int i = 0; i < len; ++i) {
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printf("%02X ", data[i]);
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// check if a line break is needed
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if ( breaks > 0 && !((i+1) % breaks) && (i+1 < len) ) {
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++rownum;
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printf("\n[%02d] | ", rownum);
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}
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}
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printf("\n");
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}
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char *sprint_hex(const uint8_t *data, const size_t len) {
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int maxLen = ( len > 1024/3) ? 1024/3 : len;
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@ -139,7 +156,7 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
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size_t in_index = 0;
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// loop through the out_index to make sure we don't go too far
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for (size_t out_index=0; out_index < max_len; out_index++) {
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for (size_t out_index=0; out_index < max_len-1; out_index++) {
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// set character - (should be binary but verify it isn't more than 1 digit)
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if (data[in_index]<10)
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sprintf(tmp++, "%u", (unsigned int) data[in_index]);
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@ -158,6 +175,41 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
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char *sprint_bin(const uint8_t *data, const size_t len) {
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return sprint_bin_break(data, len, 0);
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}
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char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
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static char buf[1024];
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char *tmp = buf;
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memset(buf, 0x00, 1024);
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size_t max_len = (len > 1010) ? 1010 : len;
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sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
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size_t i = 0;
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size_t pos = (max_len * 3)+2;
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while(i < max_len){
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char c = data[i];
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if ( (c < 32) || (c == 127))
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c = '.';
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sprintf(tmp+pos+i, "%c", c);
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++i;
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}
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return buf;
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}
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char *sprint_ascii(const uint8_t *data, const size_t len) {
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static char buf[1024];
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char *tmp = buf;
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memset(buf, 0x00, 1024);
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size_t max_len = (len > 1010) ? 1010 : len;
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size_t i = 0;
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while(i < max_len){
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char c = data[i];
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tmp[i] = ((c < 32) || (c == 127)) ? '.' : c;
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++i;
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}
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return buf;
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}
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void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
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{
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while (len--) {
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@ -184,6 +236,15 @@ void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest) {
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}
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}
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//least significant bit first
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void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest) {
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for(int i = 0 ; i < len ; ++i) {
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dest[i] = n & 1;
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n >>= 1;
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}
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}
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// aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
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// to
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// hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
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@ -200,6 +261,16 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS
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return tmp;
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}
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// takes a uint8_t src array, for len items and reverses the byte order in blocksizes (8,16,32,64),
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// returns: the dest array contains the reordered src array.
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void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest){
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for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
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for (size_t i = 0; i < blockSize; i++){
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dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
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}
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}
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}
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//assumes little endian
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char * printBits(size_t const size, void const * const ptr)
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{
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@ -332,8 +403,6 @@ uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base)
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return strtoull(&line[bg], NULL, base);
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else
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return deflt;
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return 0;
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}
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int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
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@ -490,6 +559,7 @@ void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length)
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*(target)= GetParity(source + length / 2, ODD, length / 2);
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}
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// xor two arrays together for len items. The dst array contains the new xored values.
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void xor(unsigned char *dst, unsigned char *src, size_t len) {
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for( ; len > 0; len--,dst++,src++)
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*dst ^= *src;
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