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20f9a2a1 M |
1 | //----------------------------------------------------------------------------- |
2 | // Copyright (C) 2010 iZsh <izsh at fail0verflow.com> | |
3 | // | |
4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
5 | // at your option, any later version. See the LICENSE.txt file for the text of | |
6 | // the license. | |
7 | //----------------------------------------------------------------------------- | |
8 | // utilities | |
9 | //----------------------------------------------------------------------------- | |
10 | ||
11 | #include "util.h" | |
534983d7 | 12 | |
cb64309e | 13 | #ifndef _WIN32 |
873014de M |
14 | #include <termios.h> |
15 | #include <sys/ioctl.h> | |
79544b28 | 16 | |
f397b5cc M |
17 | int ukbhit(void) |
18 | { | |
19 | int cnt = 0; | |
20 | int error; | |
21 | static struct termios Otty, Ntty; | |
22 | ||
23 | ||
24 | tcgetattr( 0, &Otty); | |
25 | Ntty = Otty; | |
26 | ||
27 | Ntty.c_iflag = 0; /* input mode */ | |
28 | Ntty.c_oflag = 0; /* output mode */ | |
29 | Ntty.c_lflag &= ~ICANON; /* raw mode */ | |
30 | Ntty.c_cc[VMIN] = CMIN; /* minimum time to wait */ | |
31 | Ntty.c_cc[VTIME] = CTIME; /* minimum characters to wait for */ | |
32 | ||
33 | if (0 == (error = tcsetattr(0, TCSANOW, &Ntty))) { | |
34 | error += ioctl(0, FIONREAD, &cnt); | |
35 | error += tcsetattr(0, TCSANOW, &Otty); | |
36 | } | |
37 | ||
38 | return ( error == 0 ? cnt : -1 ); | |
39 | } | |
40 | ||
41 | #else | |
42 | #include <conio.h> | |
43 | int ukbhit(void) { | |
44 | return kbhit(); | |
45 | } | |
46 | #endif | |
47 | ||
55acbb2a | 48 | // log files functions |
b915fda3 | 49 | void AddLogLine(char *file, char *extData, char *c) { |
55acbb2a | 50 | FILE *fLog = NULL; |
b915fda3 | 51 | char filename[FILE_PATH_SIZE] = {0x00}; |
52 | int len = 0; | |
53 | ||
54 | len = strlen(file); | |
55 | if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; | |
56 | memcpy(filename, file, len); | |
57 | ||
58 | fLog = fopen(filename, "a"); | |
55acbb2a | 59 | if (!fLog) { |
b915fda3 | 60 | printf("Could not append log file %s", filename); |
55acbb2a M |
61 | return; |
62 | } | |
63 | ||
64 | fprintf(fLog, "%s", extData); | |
65 | fprintf(fLog, "%s\n", c); | |
66 | fclose(fLog); | |
67 | } | |
68 | ||
69 | void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len){ | |
70 | AddLogLine(fileName, extData, sprint_hex(data, len)); | |
71 | } | |
72 | ||
73 | void AddLogUint64(char *fileName, char *extData, const uint64_t data) { | |
74 | char buf[100] = {0}; | |
75 | sprintf(buf, "%x%x", (unsigned int)((data & 0xFFFFFFFF00000000) >> 32), (unsigned int)(data & 0xFFFFFFFF)); | |
76 | AddLogLine(fileName, extData, buf); | |
77 | } | |
78 | ||
79 | void AddLogCurrentDT(char *fileName) { | |
80 | char buff[20]; | |
81 | struct tm *curTime; | |
82 | ||
83 | time_t now = time(0); | |
84 | curTime = gmtime(&now); | |
85 | ||
86 | strftime (buff, sizeof(buff), "%Y-%m-%d %H:%M:%S", curTime); | |
87 | AddLogLine(fileName, "\nanticollision: ", buff); | |
88 | } | |
89 | ||
e0c635d1 | 90 | void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) { |
55acbb2a M |
91 | char * fnameptr = fileName; |
92 | memset(fileName, 0x00, 200); | |
93 | ||
e0c635d1 | 94 | for (int j = 0; j < byteCount; j++, fnameptr += 2) |
55acbb2a M |
95 | sprintf(fnameptr, "%02x", uid[j]); |
96 | sprintf(fnameptr, "%s", ext); | |
55acbb2a M |
97 | } |
98 | ||
99 | // printing and converting functions | |
f397b5cc | 100 | |
534983d7 | 101 | void print_hex(const uint8_t * data, const size_t len) |
102 | { | |
103 | size_t i; | |
104 | ||
105 | for (i=0; i < len; i++) | |
106 | printf("%02x ", data[i]); | |
107 | ||
108 | printf("\n"); | |
109 | } | |
110 | ||
111 | char * sprint_hex(const uint8_t * data, const size_t len) { | |
b915fda3 | 112 | |
113 | int maxLen = ( len > 1024/3) ? 1024/3 : len; | |
534983d7 | 114 | static char buf[1024]; |
c585a5cf | 115 | memset(buf, 0x00, 1024); |
534983d7 | 116 | char * tmp = buf; |
117 | size_t i; | |
118 | ||
b915fda3 | 119 | for (i=0; i < maxLen; ++i, tmp += 3) |
534983d7 | 120 | sprintf(tmp, "%02x ", data[i]); |
121 | ||
122 | return buf; | |
123 | } | |
f89c7050 | 124 | |
2767fc02 | 125 | char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) { |
79544b28 | 126 | |
e6432f05 | 127 | int maxLen = ( len > 1020) ? 1020 : len; |
79544b28 | 128 | static char buf[1024]; |
c585a5cf | 129 | memset(buf, 0x00, 1024); |
2767fc02 | 130 | char *tmp = buf; |
79544b28 | 131 | |
2767fc02 | 132 | for (size_t i=0; i < maxLen; ++i){ |
133 | sprintf(tmp++, "%u", data[i]); | |
134 | if (breaks > 0 && !((i+1) % breaks)) | |
135 | sprintf(tmp++, "%s","\n"); | |
136 | } | |
79544b28 | 137 | |
138 | return buf; | |
139 | } | |
140 | ||
2767fc02 | 141 | char *sprint_bin(const uint8_t *data, const size_t len) { |
142 | return sprint_bin_break(data, len, 0); | |
143 | } | |
f89c7050 M |
144 | void num_to_bytes(uint64_t n, size_t len, uint8_t* dest) |
145 | { | |
146 | while (len--) { | |
147 | dest[len] = (uint8_t) n; | |
148 | n >>= 8; | |
149 | } | |
150 | } | |
151 | ||
152 | uint64_t bytes_to_num(uint8_t* src, size_t len) | |
153 | { | |
154 | uint64_t num = 0; | |
155 | while (len--) | |
156 | { | |
157 | num = (num << 8) | (*src); | |
158 | src++; | |
159 | } | |
160 | return num; | |
161 | } | |
f397b5cc | 162 | |
f9848fd6 | 163 | // aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp |
164 | // to | |
165 | // hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii | |
166 | // up to 64 bytes or 512 bits | |
2b3af97d | 167 | uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize){ |
168 | static uint8_t buf[64]; | |
169 | memset(buf, 0x00, 64); | |
170 | uint8_t *tmp = buf; | |
171 | for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){ | |
172 | for (size_t i = 0; i < blockSize; i++){ | |
173 | tmp[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)]; | |
f9848fd6 | 174 | } |
175 | } | |
2b3af97d | 176 | return tmp; |
f9848fd6 | 177 | } |
178 | ||
79544b28 | 179 | //assumes little endian |
180 | char * printBits(size_t const size, void const * const ptr) | |
181 | { | |
182 | unsigned char *b = (unsigned char*) ptr; | |
183 | unsigned char byte; | |
184 | static char buf[1024]; | |
185 | char * tmp = buf; | |
186 | int i, j; | |
187 | ||
188 | for (i=size-1;i>=0;i--) | |
189 | { | |
190 | for (j=7;j>=0;j--) | |
191 | { | |
192 | byte = b[i] & (1<<j); | |
193 | byte >>= j; | |
194 | sprintf(tmp, "%u", byte); | |
195 | tmp++; | |
196 | } | |
197 | } | |
198 | return buf; | |
199 | } | |
200 | ||
9ca155ba M |
201 | // ------------------------------------------------------------------------- |
202 | // string parameters lib | |
203 | // ------------------------------------------------------------------------- | |
204 | ||
f397b5cc M |
205 | // ------------------------------------------------------------------------- |
206 | // line - param line | |
207 | // bg, en - symbol numbers in param line of beginning an ending parameter | |
208 | // paramnum - param number (from 0) | |
209 | // ------------------------------------------------------------------------- | |
210 | int param_getptr(const char *line, int *bg, int *en, int paramnum) | |
211 | { | |
212 | int i; | |
213 | int len = strlen(line); | |
214 | ||
215 | *bg = 0; | |
216 | *en = 0; | |
217 | ||
218 | // skip spaces | |
219 | while (line[*bg] ==' ' || line[*bg]=='\t') (*bg)++; | |
220 | if (*bg >= len) { | |
221 | return 1; | |
222 | } | |
223 | ||
224 | for (i = 0; i < paramnum; i++) { | |
225 | while (line[*bg]!=' ' && line[*bg]!='\t' && line[*bg] != '\0') (*bg)++; | |
226 | while (line[*bg]==' ' || line[*bg]=='\t') (*bg)++; | |
227 | ||
228 | if (line[*bg] == '\0') return 1; | |
229 | } | |
230 | ||
231 | *en = *bg; | |
232 | while (line[*en] != ' ' && line[*en] != '\t' && line[*en] != '\0') (*en)++; | |
233 | ||
234 | (*en)--; | |
235 | ||
236 | return 0; | |
237 | } | |
238 | ||
31abe49f | 239 | |
f397b5cc M |
240 | char param_getchar(const char *line, int paramnum) |
241 | { | |
242 | int bg, en; | |
243 | ||
244 | if (param_getptr(line, &bg, &en, paramnum)) return 0x00; | |
245 | ||
246 | return line[bg]; | |
247 | } | |
248 | ||
249 | uint8_t param_get8(const char *line, int paramnum) | |
250 | { | |
251 | return param_get8ex(line, paramnum, 10, 0); | |
252 | } | |
253 | ||
f6d9fb17 | 254 | /** |
31abe49f | 255 | * @brief Reads a decimal integer (actually, 0-254, not 255) |
f6d9fb17 MHS |
256 | * @param line |
257 | * @param paramnum | |
31abe49f | 258 | * @return -1 if error |
f6d9fb17 MHS |
259 | */ |
260 | uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination) | |
261 | { | |
31abe49f | 262 | uint8_t val = param_get8ex(line, paramnum, 255, 10); |
31abe49f | 263 | if( (int8_t) val == -1) return 1; |
f6d9fb17 MHS |
264 | (*destination) = val; |
265 | return 0; | |
266 | } | |
267 | /** | |
268 | * @brief Checks if param is decimal | |
269 | * @param line | |
270 | * @param paramnum | |
271 | * @return | |
272 | */ | |
273 | uint8_t param_isdec(const char *line, int paramnum) | |
274 | { | |
275 | int bg, en; | |
276 | //TODO, check more thorougly | |
277 | if (!param_getptr(line, &bg, &en, paramnum)) return 1; | |
278 | // return strtoul(&line[bg], NULL, 10) & 0xff; | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
f397b5cc M |
283 | uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base) |
284 | { | |
285 | int bg, en; | |
286 | ||
287 | if (!param_getptr(line, &bg, &en, paramnum)) | |
6c6d1ac1 | 288 | return strtoul(&line[bg], NULL, base) & 0xff; |
f397b5cc M |
289 | else |
290 | return deflt; | |
291 | } | |
292 | ||
293 | uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base) | |
294 | { | |
295 | int bg, en; | |
296 | ||
297 | if (!param_getptr(line, &bg, &en, paramnum)) | |
6c6d1ac1 | 298 | return strtoul(&line[bg], NULL, base); |
f397b5cc M |
299 | else |
300 | return deflt; | |
301 | } | |
302 | ||
303 | uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base) | |
304 | { | |
305 | int bg, en; | |
306 | ||
307 | if (!param_getptr(line, &bg, &en, paramnum)) | |
6c6d1ac1 | 308 | return strtoull(&line[bg], NULL, base); |
f397b5cc M |
309 | else |
310 | return deflt; | |
311 | ||
312 | return 0; | |
313 | } | |
314 | ||
315 | int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt) | |
316 | { | |
317 | int bg, en, temp, i; | |
318 | ||
319 | if (hexcnt % 2) | |
320 | return 1; | |
321 | ||
322 | if (param_getptr(line, &bg, &en, paramnum)) return 1; | |
323 | ||
324 | if (en - bg + 1 != hexcnt) | |
325 | return 1; | |
326 | ||
327 | for(i = 0; i < hexcnt; i += 2) { | |
328 | if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) ) return 1; | |
329 | ||
330 | sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp); | |
331 | data[i / 2] = temp & 0xff; | |
332 | } | |
333 | ||
334 | return 0; | |
335 | } | |
aea4d766 | 336 | |
337 | int param_getstr(const char *line, int paramnum, char * str) | |
338 | { | |
339 | int bg, en; | |
340 | ||
341 | if (param_getptr(line, &bg, &en, paramnum)) return 0; | |
342 | ||
343 | memcpy(str, line + bg, en - bg + 1); | |
344 | str[en - bg + 1] = 0; | |
345 | ||
346 | return en - bg + 1; | |
347 | } | |
79544b28 | 348 | |
349 | /* | |
350 | The following methods comes from Rfidler sourcecode. | |
351 | https://github.com/ApertureLabsLtd/RFIDler/blob/master/firmware/Pic32/RFIDler.X/src/ | |
352 | */ | |
353 | ||
354 | // convert hex to sequence of 0/1 bit values | |
355 | // returns number of bits converted | |
356 | int hextobinarray(char *target, char *source) | |
357 | { | |
358 | int length, i, count= 0; | |
359 | char x; | |
360 | ||
361 | length = strlen(source); | |
362 | // process 4 bits (1 hex digit) at a time | |
363 | while(length--) | |
364 | { | |
365 | x= *(source++); | |
366 | // capitalize | |
367 | if (x >= 'a' && x <= 'f') | |
368 | x -= 32; | |
369 | // convert to numeric value | |
370 | if (x >= '0' && x <= '9') | |
371 | x -= '0'; | |
372 | else if (x >= 'A' && x <= 'F') | |
373 | x -= 'A' - 10; | |
374 | else | |
375 | return 0; | |
376 | // output | |
377 | for(i= 0 ; i < 4 ; ++i, ++count) | |
378 | *(target++)= (x >> (3 - i)) & 1; | |
379 | } | |
380 | ||
381 | return count; | |
382 | } | |
383 | ||
384 | // convert hex to human readable binary string | |
385 | int hextobinstring(char *target, char *source) | |
386 | { | |
387 | int length; | |
388 | ||
389 | if(!(length= hextobinarray(target, source))) | |
390 | return 0; | |
391 | binarraytobinstring(target, target, length); | |
392 | return length; | |
393 | } | |
394 | ||
395 | // convert binary array of 0x00/0x01 values to hex (safe to do in place as target will always be shorter than source) | |
396 | // return number of bits converted | |
397 | int binarraytohex(char *target, char *source, int length) | |
398 | { | |
399 | unsigned char i, x; | |
400 | int j = length; | |
401 | ||
402 | if(j % 4) | |
403 | return 0; | |
404 | ||
405 | while(j) | |
406 | { | |
407 | for(i= x= 0 ; i < 4 ; ++i) | |
408 | x += ( source[i] << (3 - i)); | |
409 | sprintf(target,"%X", x); | |
410 | ++target; | |
411 | source += 4; | |
412 | j -= 4; | |
413 | } | |
414 | return length; | |
415 | } | |
416 | ||
417 | // convert binary array to human readable binary | |
418 | void binarraytobinstring(char *target, char *source, int length) | |
419 | { | |
420 | int i; | |
421 | ||
422 | for(i= 0 ; i < length ; ++i) | |
423 | *(target++)= *(source++) + '0'; | |
424 | *target= '\0'; | |
425 | } | |
426 | ||
427 | // return parity bit required to match type | |
428 | uint8_t GetParity( char *bits, uint8_t type, int length) | |
429 | { | |
430 | int x; | |
431 | ||
432 | for(x= 0 ; length > 0 ; --length) | |
433 | x += bits[length - 1]; | |
434 | x %= 2; | |
435 | ||
436 | return x ^ type; | |
437 | } | |
438 | ||
439 | // add HID parity to binary array: EVEN prefix for 1st half of ID, ODD suffix for 2nd half | |
440 | void wiegand_add_parity(char *target, char *source, char length) | |
441 | { | |
442 | *(target++)= GetParity(source, EVEN, length / 2); | |
443 | memcpy(target, source, length); | |
444 | target += length; | |
445 | *(target)= GetParity(source + length / 2, ODD, length / 2); | |
446 | } |