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1 /*
2  * Copyright (c) 1988-1997 Sam Leffler
3  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
4  *
5  * Permission to use, copy, modify, distribute, and sell this software and
6  * its documentation for any purpose is hereby granted without fee, provided
7  * that (i) the above copyright notices and this permission notice appear in
8  * all copies of the software and related documentation, and (ii) the names of
9  * Sam Leffler and Silicon Graphics may not be used in any advertising or
10  * publicity relating to the software without the specific, prior written
11  * permission of Sam Leffler and Silicon Graphics.
12  *
13  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16  *
17  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22  * OF THIS SOFTWARE.
23  */
24 
25 /*
26  * TIFF Library
27  *
28  * Builtin Compression Scheme Configuration Support.
29  */
30 #include "tiffiop.h"
31 
32 static int NotConfigured(TIFF *, int);
33 
34 #ifndef LZW_SUPPORT
35 #define TIFFInitLZW NotConfigured
36 #endif
37 #ifndef PACKBITS_SUPPORT
38 #define TIFFInitPackBits NotConfigured
39 #endif
40 #ifndef THUNDER_SUPPORT
41 #define TIFFInitThunderScan NotConfigured
42 #endif
43 #ifndef NEXT_SUPPORT
44 #define TIFFInitNeXT NotConfigured
45 #endif
46 #ifndef JPEG_SUPPORT
47 #define TIFFInitJPEG NotConfigured
48 #endif
49 #ifndef OJPEG_SUPPORT
50 #define TIFFInitOJPEG NotConfigured
51 #endif
52 #ifndef CCITT_SUPPORT
53 #define TIFFInitCCITTRLE NotConfigured
54 #define TIFFInitCCITTRLEW NotConfigured
55 #define TIFFInitCCITTFax3 NotConfigured
56 #define TIFFInitCCITTFax4 NotConfigured
57 #endif
58 #ifndef JBIG_SUPPORT
59 #define TIFFInitJBIG NotConfigured
60 #endif
61 #ifndef ZIP_SUPPORT
62 #define TIFFInitZIP NotConfigured
63 #endif
64 #ifndef PIXARLOG_SUPPORT
65 #define TIFFInitPixarLog NotConfigured
66 #endif
67 #ifndef LOGLUV_SUPPORT
68 #define TIFFInitSGILog NotConfigured
69 #endif
70 #ifndef LERC_SUPPORT
71 #define TIFFInitLERC NotConfigured
72 #endif
73 #ifndef LZMA_SUPPORT
74 #define TIFFInitLZMA NotConfigured
75 #endif
76 #ifndef ZSTD_SUPPORT
77 #define TIFFInitZSTD NotConfigured
78 #endif
79 #ifndef WEBP_SUPPORT
80 #define TIFFInitWebP NotConfigured
81 #endif
82 
83 /*
84  * Compression schemes statically built into the library.
85  */
86 const TIFFCodec _TIFFBuiltinCODECS[] = {
87     {"None", COMPRESSION_NONE, TIFFInitDumpMode},
88     {"LZW", COMPRESSION_LZW, TIFFInitLZW},
89     {"PackBits", COMPRESSION_PACKBITS, TIFFInitPackBits},
90     {"ThunderScan", COMPRESSION_THUNDERSCAN, TIFFInitThunderScan},
91     {"NeXT", COMPRESSION_NEXT, TIFFInitNeXT},
92     {"JPEG", COMPRESSION_JPEG, TIFFInitJPEG},
93     {"Old-style JPEG", COMPRESSION_OJPEG, TIFFInitOJPEG},
94     {"CCITT RLE", COMPRESSION_CCITTRLE, TIFFInitCCITTRLE},
95     {"CCITT RLE/W", COMPRESSION_CCITTRLEW, TIFFInitCCITTRLEW},
96     {"CCITT Group 3", COMPRESSION_CCITTFAX3, TIFFInitCCITTFax3},
97     {"CCITT Group 4", COMPRESSION_CCITTFAX4, TIFFInitCCITTFax4},
98     {"ISO JBIG", COMPRESSION_JBIG, TIFFInitJBIG},
99     {"Deflate", COMPRESSION_DEFLATE, TIFFInitZIP},
100     {"AdobeDeflate", COMPRESSION_ADOBE_DEFLATE, TIFFInitZIP},
101     {"PixarLog", COMPRESSION_PIXARLOG, TIFFInitPixarLog},
102     {"SGILog", COMPRESSION_SGILOG, TIFFInitSGILog},
103     {"SGILog24", COMPRESSION_SGILOG24, TIFFInitSGILog},
104     {"LZMA", COMPRESSION_LZMA, TIFFInitLZMA},
105     {"ZSTD", COMPRESSION_ZSTD, TIFFInitZSTD},
106     {"WEBP", COMPRESSION_WEBP, TIFFInitWebP},
107     {"LERC", COMPRESSION_LERC, TIFFInitLERC},
108     {NULL, 0, NULL}};
109 
_notConfigured(TIFF * tif)110 static int _notConfigured(TIFF *tif)
111 {
112     const TIFFCodec *c = TIFFFindCODEC(tif->tif_dir.td_compression);
113     char compression_code[20];
114 
115     snprintf(compression_code, sizeof(compression_code), "%" PRIu16,
116              tif->tif_dir.td_compression);
117     TIFFErrorExtR(tif, tif->tif_name,
118                   "%s compression support is not configured",
119                   c ? c->name : compression_code);
120     return (0);
121 }
122 
NotConfigured(TIFF * tif,int scheme)123 static int NotConfigured(TIFF *tif, int scheme)
124 {
125     (void)scheme;
126 
127     tif->tif_fixuptags = _notConfigured;
128     tif->tif_decodestatus = FALSE;
129     tif->tif_setupdecode = _notConfigured;
130     tif->tif_encodestatus = FALSE;
131     tif->tif_setupencode = _notConfigured;
132     return (1);
133 }
134 
135 /************************************************************************/
136 /*                       TIFFIsCODECConfigured()                        */
137 /************************************************************************/
138 
139 /**
140  * Check whether we have working codec for the specific coding scheme.
141  *
142  * @return returns 1 if the codec is configured and working. Otherwise
143  * 0 will be returned.
144  */
145 
TIFFIsCODECConfigured(uint16_t scheme)146 int TIFFIsCODECConfigured(uint16_t scheme)
147 {
148     const TIFFCodec *codec = TIFFFindCODEC(scheme);
149 
150     if (codec == NULL)
151     {
152         return 0;
153     }
154     if (codec->init == NULL)
155     {
156         return 0;
157     }
158     if (codec->init != NotConfigured)
159     {
160         return 1;
161     }
162     return 0;
163 }
164