1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % V V EEEEE RRRR SSSSS IIIII OOO N N %
7 % V V E R R SS I O O NN N %
8 % V V EEE RRRR SSS I O O N N N %
9 % V V E R R SS I O O N NN %
10 % V EEEEE R R SSSSS IIIII OOO N N %
11 % %
12 % %
13 % MagickCore Version and Copyright Methods %
14 % %
15 % Software Design %
16 % Cristy %
17 % September 2002 %
18 % %
19 % %
20 % Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
22 % %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
25 % %
26 % https://imagemagick.org/script/license.php %
27 % %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
33 % %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 %
36 %
37 */
38
39 #include "MagickCore/studio.h"
40 #include "MagickCore/configure.h"
41 #include "MagickCore/exception.h"
42 #include "MagickCore/exception-private.h"
43 #include "MagickCore/linked-list.h"
44 #include "MagickCore/locale_.h"
45 #include "MagickCore/option.h"
46 #include "MagickCore/string_.h"
47 #include "MagickCore/utility.h"
48 #include "MagickCore/utility-private.h"
49 #include "MagickCore/version.h"
50 #include "MagickCore/version-private.h"
51
52 /*
53 Define declarations.
54 */
55 #define MagickURLFilename "index.html"
56
57 /*
58 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
59 % %
60 % %
61 % %
62 % G e t M a g i c k C o p y r i g h t %
63 % %
64 % %
65 % %
66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
67 %
68 % GetMagickCopyright() returns the ImageMagick API copyright as a string.
69 %
70 % The format of the GetMagickCopyright method is:
71 %
72 % const char *GetMagickCopyright(void)
73 %
74 */
GetMagickCopyright(void)75 MagickExport const char *GetMagickCopyright(void)
76 {
77 return(MagickCopyright);
78 }
79
80 /*
81 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
82 % %
83 % %
84 % %
85 % G e t M a g i c k D e l e g a t e s %
86 % %
87 % %
88 % %
89 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
90 %
91 % GetMagickDelegates() returns the ImageMagick delegate libraries.
92 %
93 % The format of the GetMagickDelegates method is:
94 %
95 % const char *GetMagickDelegates(void)
96 %
97 % No parameters are required.
98 %
99 */
GetMagickDelegates(void)100 MagickExport const char *GetMagickDelegates(void)
101 {
102 return ""
103 #if defined(MAGICKCORE_AUTOTRACE_DELEGATE)
104 "autotrace "
105 #endif
106 #if defined(MAGICKCORE_BZLIB_DELEGATE)
107 "bzlib "
108 #endif
109 #if defined(MAGICKCORE_CAIRO_DELEGATE)
110 "cairo "
111 #endif
112 #if defined(MAGICKCORE_DJVU_DELEGATE)
113 "djvu "
114 #endif
115 #if defined(MAGICKCORE_DPS_DELEGATE)
116 "dps "
117 #endif
118 #if defined(MAGICKCORE_EMF_DELEGATE)
119 "emf "
120 #endif
121 #if defined(MAGICKCORE_FFTW_DELEGATE)
122 "fftw "
123 #endif
124 #if defined(MAGICKCORE_FLIF_DELEGATE)
125 "flif "
126 #endif
127 #if defined(MAGICKCORE_FONTCONFIG_DELEGATE)
128 "fontconfig "
129 #endif
130 #if defined(MAGICKCORE_FPX_DELEGATE)
131 "fpx "
132 #endif
133 #if defined(MAGICKCORE_FREETYPE_DELEGATE)
134 "freetype "
135 #endif
136 #if defined(MAGICKCORE_GS_DELEGATE) || defined(MAGICKCORE_WINDOWS_SUPPORT)
137 "gslib "
138 #endif
139 #if defined(MAGICKCORE_GVC_DELEGATE)
140 "gvc "
141 #endif
142 #if defined(MAGICKCORE_HEIC_DELEGATE)
143 "heic "
144 #endif
145 #if defined(MAGICKCORE_JBIG_DELEGATE)
146 "jbig "
147 #endif
148 #if defined(MAGICKCORE_JPEG_DELEGATE) && defined(MAGICKCORE_PNG_DELEGATE)
149 "jng "
150 #endif
151 #if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
152 "jp2 "
153 #endif
154 #if defined(MAGICKCORE_JPEG_DELEGATE)
155 "jpeg "
156 #endif
157 #if defined(MAGICKCORE_LCMS_DELEGATE)
158 "lcms "
159 #endif
160 #if defined(MAGICKCORE_LQR_DELEGATE)
161 "lqr "
162 #endif
163 #if defined(MAGICKCORE_LTDL_DELEGATE)
164 "ltdl "
165 #endif
166 #if defined(MAGICKCORE_LZMA_DELEGATE)
167 "lzma "
168 #endif
169 #if defined(MAGICKCORE_OPENEXR_DELEGATE)
170 "openexr "
171 #endif
172 #if defined(MAGICKCORE_PANGOCAIRO_DELEGATE)
173 "pangocairo "
174 #endif
175 #if defined(MAGICKCORE_PNG_DELEGATE)
176 "png "
177 #endif
178 #if defined(MAGICKCORE_DPS_DELEGATE) || defined(MAGICKCORE_GS_DELEGATE) || \
179 defined(MAGICKCORE_WINDOWS_SUPPORT)
180 "ps "
181 #endif
182 #if defined(MAGICKCORE_RAW_R_DELEGATE)
183 "raw "
184 #endif
185 #if defined(MAGICKCORE_RSVG_DELEGATE)
186 "rsvg "
187 #endif
188 #if defined(MAGICKCORE_TIFF_DELEGATE)
189 "tiff "
190 #endif
191 #if defined(MAGICKCORE_WEBP_DELEGATE)
192 "webp "
193 #endif
194 #if defined(MAGICKCORE_WMF_DELEGATE) || defined (MAGICKCORE_WMFLITE_DELEGATE)
195 "wmf "
196 #endif
197 #if defined(MAGICKCORE_X11_DELEGATE)
198 "x "
199 #endif
200 #if defined(MAGICKCORE_XML_DELEGATE)
201 "xml "
202 #endif
203 #if defined(MAGICKCORE_ZLIB_DELEGATE)
204 "zlib"
205 #endif
206 ;
207 }
208
209 /*
210 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
211 % %
212 % %
213 % %
214 % G e t M a g i c k F e a t u r e s %
215 % %
216 % %
217 % %
218 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
219 %
220 % GetMagickFeatures() returns the ImageMagick features.
221 %
222 % The format of the GetMagickFeatures method is:
223 %
224 % const char *GetMagickFeatures(void)
225 %
226 % No parameters are required.
227 %
228 */
GetMagickFeatures(void)229 MagickExport const char *GetMagickFeatures(void)
230 {
231 return ""
232 #if defined(MAGICKCORE_WINDOWS_SUPPORT) && defined(_DEBUG)
233 "Debug "
234 #endif
235 #if defined(MAGICKCORE_CIPHER_SUPPORT)
236 "Cipher "
237 #endif
238 #if defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(MAGICKCORE_HAVE_SOCKET) && defined(MAGICKCORE_THREAD_SUPPORT)
239 "DPC "
240 #endif
241 #if defined(MAGICKCORE_HDRI_SUPPORT)
242 "HDRI "
243 #endif
244 #if defined(MAGICKCORE_BUILD_MODULES) || defined(_DLL)
245 "Modules "
246 #endif
247 #if defined(MAGICKCORE_OPENCL_SUPPORT)
248 "OpenCL "
249 #endif
250 #if defined(MAGICKCORE_OPENMP_SUPPORT)
251 "OpenMP "
252 #endif
253 #if defined(ZERO_CONFIGURATION_SUPPORT)
254 "Zero-configuration "
255 #endif
256 ;
257 }
258
259 /*
260 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
261 % %
262 % %
263 % %
264 % G e t M a g i c k H o m e U R L %
265 % %
266 % %
267 % %
268 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
269 %
270 % GetMagickHomeURL() returns the ImageMagick home URL.
271 %
272 % The format of the GetMagickHomeURL method is:
273 %
274 % char *GetMagickHomeURL(void)
275 %
276 */
GetMagickHomeURL(void)277 MagickExport char *GetMagickHomeURL(void)
278 {
279 char
280 path[MagickPathExtent];
281
282 const char
283 *element;
284
285 ExceptionInfo
286 *exception;
287
288 LinkedListInfo
289 *paths;
290
291 exception=AcquireExceptionInfo();
292 paths=GetConfigurePaths(MagickURLFilename,exception);
293 exception=DestroyExceptionInfo(exception);
294 if (paths == (LinkedListInfo *) NULL)
295 return(ConstantString(MagickHomeURL));
296 element=(const char *) GetNextValueInLinkedList(paths);
297 while (element != (const char *) NULL)
298 {
299 (void) FormatLocaleString(path,MagickPathExtent,"%s%s%s",element,
300 DirectorySeparator,MagickURLFilename);
301 if (IsPathAccessible(path) != MagickFalse)
302 {
303 paths=DestroyLinkedList(paths,RelinquishMagickMemory);
304 return(ConstantString(path));
305 }
306 element=(const char *) GetNextValueInLinkedList(paths);
307 }
308 paths=DestroyLinkedList(paths,RelinquishMagickMemory);
309 return(ConstantString(MagickHomeURL));
310 }
311
312 /*
313 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
314 % %
315 % %
316 % %
317 % G e t M a g i c k L i c e n s e %
318 % %
319 % %
320 % %
321 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
322 %
323 % GetMagickLicense() returns the ImageMagick API license as a string.
324 %
325 % The format of the GetMagickLicense method is:
326 %
327 % const char *GetMagickLicense(void)
328 %
329 */
GetMagickLicense(void)330 MagickExport const char *GetMagickLicense(void)
331 {
332 return(MagickAuthoritativeLicense);
333 }
334
335 /*
336 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
337 % %
338 % %
339 % %
340 % G e t M a g i c k P a c k a g e N a m e %
341 % %
342 % %
343 % %
344 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
345 %
346 % GetMagickPackageName() returns the ImageMagick package name.
347 %
348 % The format of the GetMagickName method is:
349 %
350 % const char *GetMagickName(void)
351 %
352 % No parameters are required.
353 %
354 */
GetMagickPackageName(void)355 MagickExport const char *GetMagickPackageName(void)
356 {
357 return(MagickPackageName);
358 }
359
360 /*
361 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
362 % %
363 % %
364 % %
365 % G e t M a g i c k Q u a n t u m D e p t h %
366 % %
367 % %
368 % %
369 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
370 %
371 % GetMagickQuantumDepth() returns the ImageMagick quantum depth.
372 %
373 % The format of the GetMagickQuantumDepth method is:
374 %
375 % const char *GetMagickQuantumDepth(size_t *depth)
376 %
377 % A description of each parameter follows:
378 %
379 % o depth: the quantum depth is returned as a number.
380 %
381 */
GetMagickQuantumDepth(size_t * depth)382 MagickExport const char *GetMagickQuantumDepth(size_t *depth)
383 {
384 if (depth != (size_t *) NULL)
385 *depth=(size_t) MAGICKCORE_QUANTUM_DEPTH;
386 return(MagickQuantumDepth);
387 }
388
389 /*
390 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
391 % %
392 % %
393 % %
394 % G e t M a g i c k Q u a n t u m R a n g e %
395 % %
396 % %
397 % %
398 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
399 %
400 % GetMagickQuantumRange() returns the ImageMagick quantum range.
401 %
402 % The format of the GetMagickQuantumRange method is:
403 %
404 % const char *GetMagickQuantumRange(size_t *range)
405 %
406 % A description of each parameter follows:
407 %
408 % o range: the quantum range is returned as a number.
409 %
410 */
GetMagickQuantumRange(size_t * range)411 MagickExport const char *GetMagickQuantumRange(size_t *range)
412 {
413 if (range != (size_t *) NULL)
414 *range=(size_t) QuantumRange;
415 return(MagickQuantumRange);
416 }
417
418 /*
419 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
420 % %
421 % %
422 % %
423 % G e t M a g i c k R e l e a s e D a t e %
424 % %
425 % %
426 % %
427 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
428 %
429 % GetMagickReleaseDate() returns the ImageMagick release date.
430 %
431 % The format of the GetMagickReleaseDate method is:
432 %
433 % const char *GetMagickReleaseDate(void)
434 %
435 % No parameters are required.
436 %
437 */
GetMagickReleaseDate(void)438 MagickExport const char *GetMagickReleaseDate(void)
439 {
440 return(MagickReleaseDate);
441 }
442
443 /*
444 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
445 % %
446 % %
447 % %
448 % G e t M a g i c k S i g n a t u r e %
449 % %
450 % %
451 % %
452 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
453 %
454 % GetMagickSignature() returns a signature that uniquely encodes the
455 % MagickCore libary version, quantum depth, HDRI status, OS word size, and
456 % endianness.
457 %
458 % The format of the GetMagickSignature method is:
459 %
460 % unsigned int GetMagickSignature(const StringInfo *nonce)
461 %
462 % A description of each parameter follows:
463 %
464 % o nonce: arbitrary data.
465 %
466 */
467
CRC32(const unsigned char * message,const size_t length)468 static unsigned int CRC32(const unsigned char *message,const size_t length)
469 {
470 register ssize_t
471 i;
472
473 static MagickBooleanType
474 crc_initial = MagickFalse;
475
476 static unsigned int
477 crc_xor[256];
478
479 unsigned int
480 crc;
481
482 /*
483 Generate a 32-bit cyclic redundancy check for the message.
484 */
485 if (crc_initial == MagickFalse)
486 {
487 register unsigned int
488 j;
489
490 unsigned int
491 alpha;
492
493 for (j=0; j < 256; j++)
494 {
495 register ssize_t
496 k;
497
498 alpha=j;
499 for (k=0; k < 8; k++)
500 alpha=(alpha & 0x01) ? (0xEDB88320 ^ (alpha >> 1)) : (alpha >> 1);
501 crc_xor[j]=alpha;
502 }
503 crc_initial=MagickTrue;
504 }
505 crc=0xFFFFFFFF;
506 for (i=0; i < (ssize_t) length; i++)
507 crc=crc_xor[(crc ^ message[i]) & 0xff] ^ (crc >> 8);
508 return(crc ^ 0xFFFFFFFF);
509 }
510
GetMagickSignature(const StringInfo * nonce)511 MagickExport unsigned int GetMagickSignature(const StringInfo *nonce)
512 {
513 register unsigned char
514 *p;
515
516 StringInfo
517 *version;
518
519 unsigned int
520 signature;
521
522 version=AcquireStringInfo(MagickPathExtent);
523 p=GetStringInfoDatum(version);
524 signature=MAGICKCORE_QUANTUM_DEPTH;
525 (void) memcpy(p,&signature,sizeof(signature));
526 p+=sizeof(signature);
527 signature=MAGICKCORE_HDRI_ENABLE;
528 (void) memcpy(p,&signature,sizeof(signature));
529 p+=sizeof(signature);
530 signature=MagickLibInterface;
531 (void) memcpy(p,&signature,sizeof(signature));
532 p+=sizeof(signature);
533 signature=1; /* endianess */
534 (void) memcpy(p,&signature,sizeof(signature));
535 p+=sizeof(signature);
536 SetStringInfoLength(version,p-GetStringInfoDatum(version));
537 if (nonce != (const StringInfo *) NULL)
538 ConcatenateStringInfo(version,nonce);
539 signature=CRC32(GetStringInfoDatum(version),GetStringInfoLength(version));
540 version=DestroyStringInfo(version);
541 return(signature);
542 }
543
544 /*
545 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
546 % %
547 % %
548 % %
549 % G e t M a g i c k V e r s i o n %
550 % %
551 % %
552 % %
553 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
554 %
555 % GetMagickVersion() returns the ImageMagick API version as a string and
556 % as a number.
557 %
558 % The format of the GetMagickVersion method is:
559 %
560 % const char *GetMagickVersion(size_t *version)
561 %
562 % A description of each parameter follows:
563 %
564 % o version: the ImageMagick version is returned as a number.
565 %
566 */
GetMagickVersion(size_t * version)567 MagickExport const char *GetMagickVersion(size_t *version)
568 {
569 if (version != (size_t *) NULL)
570 *version=MagickLibVersion;
571 return(MagickVersion);
572 }
573
574 /*
575 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
576 % %
577 % %
578 % %
579 % L i s t M a g i c k V e r s i o n %
580 % %
581 % %
582 % %
583 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
584 %
585 % ListMagickVersion() identifies the ImageMagick version by printing its
586 % attributes to the file. Attributes include the copyright, features, and
587 % delegates.
588 %
589 % The format of the ListMagickVersion method is:
590 %
591 % void ListMagickVersion(FILE *file)
592 %
593 % A description of each parameter follows:
594 %
595 % o file: the file, typically stdout.
596 %
597 */
ListMagickVersion(FILE * file)598 MagickExport void ListMagickVersion(FILE *file)
599 {
600 (void) FormatLocaleFile(file,"Version: %s\n",
601 GetMagickVersion((size_t *) NULL));;
602 (void) FormatLocaleFile(file,"Copyright: %s\n",GetMagickCopyright());
603 (void) FormatLocaleFile(file,"License: %s\n",GetMagickLicense());
604 #if defined(MAGICKCORE_WINDOWS_SUPPORT) && defined(_MSC_FULL_VER)
605 (void) FormatLocaleFile(file,"Visual C++: %d\n",_MSC_FULL_VER);
606 #endif
607 (void) FormatLocaleFile(file,"Features: %s\n",GetMagickFeatures());
608 (void) FormatLocaleFile(file,"Delegates (built-in): %s\n",
609 GetMagickDelegates());
610 if (IsEventLogging() != MagickFalse)
611 {
612 (void) FormatLocaleFile(file,"Wizard attributes: ");
613 (void) FormatLocaleFile(file,"QuantumRange=%g; ",(double) QuantumRange);
614 (void) FormatLocaleFile(file,"QuantumScale=%.*g; ",GetMagickPrecision(),
615 (double) QuantumScale);
616 (void) FormatLocaleFile(file,"MagickEpsilon=%.*g; ",GetMagickPrecision(),
617 (double) MagickEpsilon);
618 (void) FormatLocaleFile(file,"MaxMap=%g; ",(double) MaxMap);
619 (void) FormatLocaleFile(file,"MagickPathExtent=%g; ",
620 (double) MagickPathExtent);
621 (void) FormatLocaleFile(file,"sizeof(Quantum)=%g; ",(double)
622 sizeof(Quantum));
623 (void) FormatLocaleFile(file,"sizeof(MagickSizeType)=%g; ",(double)
624 sizeof(MagickSizeType));
625 (void) FormatLocaleFile(file,"sizeof(MagickOffsetType)=%g",(double)
626 sizeof(MagickOffsetType));
627 }
628 }
629