diff options
Diffstat (limited to 'src/lib/libcrypto/comp')
-rw-r--r-- | src/lib/libcrypto/comp/c_rle.c | 61 | ||||
-rw-r--r-- | src/lib/libcrypto/comp/c_zlib.c | 799 | ||||
-rw-r--r-- | src/lib/libcrypto/comp/comp.h | 80 | ||||
-rw-r--r-- | src/lib/libcrypto/comp/comp_err.c | 100 | ||||
-rw-r--r-- | src/lib/libcrypto/comp/comp_lib.c | 72 |
5 files changed, 0 insertions, 1112 deletions
diff --git a/src/lib/libcrypto/comp/c_rle.c b/src/lib/libcrypto/comp/c_rle.c deleted file mode 100644 index 18bceae51e..0000000000 --- a/src/lib/libcrypto/comp/c_rle.c +++ /dev/null | |||
@@ -1,61 +0,0 @@ | |||
1 | #include <stdio.h> | ||
2 | #include <stdlib.h> | ||
3 | #include <string.h> | ||
4 | #include <openssl/objects.h> | ||
5 | #include <openssl/comp.h> | ||
6 | |||
7 | static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, | ||
8 | unsigned int olen, unsigned char *in, unsigned int ilen); | ||
9 | static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, | ||
10 | unsigned int olen, unsigned char *in, unsigned int ilen); | ||
11 | |||
12 | static COMP_METHOD rle_method={ | ||
13 | NID_rle_compression, | ||
14 | LN_rle_compression, | ||
15 | NULL, | ||
16 | NULL, | ||
17 | rle_compress_block, | ||
18 | rle_expand_block, | ||
19 | NULL, | ||
20 | NULL, | ||
21 | }; | ||
22 | |||
23 | COMP_METHOD *COMP_rle(void) | ||
24 | { | ||
25 | return(&rle_method); | ||
26 | } | ||
27 | |||
28 | static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, | ||
29 | unsigned int olen, unsigned char *in, unsigned int ilen) | ||
30 | { | ||
31 | /* int i; */ | ||
32 | |||
33 | if (olen < (ilen+1)) | ||
34 | { | ||
35 | /* ZZZZZZZZZZZZZZZZZZZZZZ */ | ||
36 | return(-1); | ||
37 | } | ||
38 | |||
39 | *(out++)=0; | ||
40 | memcpy(out,in,ilen); | ||
41 | return(ilen+1); | ||
42 | } | ||
43 | |||
44 | static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, | ||
45 | unsigned int olen, unsigned char *in, unsigned int ilen) | ||
46 | { | ||
47 | int i; | ||
48 | |||
49 | if (ilen == 0 || olen < (ilen-1)) | ||
50 | { | ||
51 | /* ZZZZZZZZZZZZZZZZZZZZZZ */ | ||
52 | return(-1); | ||
53 | } | ||
54 | |||
55 | i= *(in++); | ||
56 | if (i == 0) | ||
57 | { | ||
58 | memcpy(out,in,ilen-1); | ||
59 | } | ||
60 | return(ilen-1); | ||
61 | } | ||
diff --git a/src/lib/libcrypto/comp/c_zlib.c b/src/lib/libcrypto/comp/c_zlib.c deleted file mode 100644 index 8adf35f3fc..0000000000 --- a/src/lib/libcrypto/comp/c_zlib.c +++ /dev/null | |||
@@ -1,799 +0,0 @@ | |||
1 | #include <stdio.h> | ||
2 | #include <stdlib.h> | ||
3 | #include <string.h> | ||
4 | #include <openssl/objects.h> | ||
5 | #include <openssl/comp.h> | ||
6 | #include <openssl/err.h> | ||
7 | |||
8 | COMP_METHOD *COMP_zlib(void ); | ||
9 | |||
10 | static COMP_METHOD zlib_method_nozlib={ | ||
11 | NID_undef, | ||
12 | "(undef)", | ||
13 | NULL, | ||
14 | NULL, | ||
15 | NULL, | ||
16 | NULL, | ||
17 | NULL, | ||
18 | NULL, | ||
19 | }; | ||
20 | |||
21 | #ifndef ZLIB | ||
22 | #undef ZLIB_SHARED | ||
23 | #else | ||
24 | |||
25 | #include <zlib.h> | ||
26 | |||
27 | static int zlib_stateful_init(COMP_CTX *ctx); | ||
28 | static void zlib_stateful_finish(COMP_CTX *ctx); | ||
29 | static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out, | ||
30 | unsigned int olen, unsigned char *in, unsigned int ilen); | ||
31 | static int zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out, | ||
32 | unsigned int olen, unsigned char *in, unsigned int ilen); | ||
33 | |||
34 | |||
35 | /* memory allocations functions for zlib intialization */ | ||
36 | static void* zlib_zalloc(void* opaque, unsigned int no, unsigned int size) | ||
37 | { | ||
38 | void *p; | ||
39 | |||
40 | p=OPENSSL_malloc(no*size); | ||
41 | if (p) | ||
42 | memset(p, 0, no*size); | ||
43 | return p; | ||
44 | } | ||
45 | |||
46 | |||
47 | static void zlib_zfree(void* opaque, void* address) | ||
48 | { | ||
49 | OPENSSL_free(address); | ||
50 | } | ||
51 | |||
52 | #if 0 | ||
53 | static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out, | ||
54 | unsigned int olen, unsigned char *in, unsigned int ilen); | ||
55 | static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out, | ||
56 | unsigned int olen, unsigned char *in, unsigned int ilen); | ||
57 | |||
58 | static int zz_uncompress(Bytef *dest, uLongf *destLen, const Bytef *source, | ||
59 | uLong sourceLen); | ||
60 | |||
61 | static COMP_METHOD zlib_stateless_method={ | ||
62 | NID_zlib_compression, | ||
63 | LN_zlib_compression, | ||
64 | NULL, | ||
65 | NULL, | ||
66 | zlib_compress_block, | ||
67 | zlib_expand_block, | ||
68 | NULL, | ||
69 | NULL, | ||
70 | }; | ||
71 | #endif | ||
72 | |||
73 | static COMP_METHOD zlib_stateful_method={ | ||
74 | NID_zlib_compression, | ||
75 | LN_zlib_compression, | ||
76 | zlib_stateful_init, | ||
77 | zlib_stateful_finish, | ||
78 | zlib_stateful_compress_block, | ||
79 | zlib_stateful_expand_block, | ||
80 | NULL, | ||
81 | NULL, | ||
82 | }; | ||
83 | |||
84 | /* | ||
85 | * When OpenSSL is built on Windows, we do not want to require that | ||
86 | * the ZLIB.DLL be available in order for the OpenSSL DLLs to | ||
87 | * work. Therefore, all ZLIB routines are loaded at run time | ||
88 | * and we do not link to a .LIB file when ZLIB_SHARED is set. | ||
89 | */ | ||
90 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) | ||
91 | # include <windows.h> | ||
92 | #endif /* !(OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32) */ | ||
93 | |||
94 | #ifdef ZLIB_SHARED | ||
95 | #include <openssl/dso.h> | ||
96 | |||
97 | /* Function pointers */ | ||
98 | typedef int (*compress_ft)(Bytef *dest,uLongf *destLen, | ||
99 | const Bytef *source, uLong sourceLen); | ||
100 | typedef int (*inflateEnd_ft)(z_streamp strm); | ||
101 | typedef int (*inflate_ft)(z_streamp strm, int flush); | ||
102 | typedef int (*inflateInit__ft)(z_streamp strm, | ||
103 | const char * version, int stream_size); | ||
104 | typedef int (*deflateEnd_ft)(z_streamp strm); | ||
105 | typedef int (*deflate_ft)(z_streamp strm, int flush); | ||
106 | typedef int (*deflateInit__ft)(z_streamp strm, int level, | ||
107 | const char * version, int stream_size); | ||
108 | typedef const char * (*zError__ft)(int err); | ||
109 | static compress_ft p_compress=NULL; | ||
110 | static inflateEnd_ft p_inflateEnd=NULL; | ||
111 | static inflate_ft p_inflate=NULL; | ||
112 | static inflateInit__ft p_inflateInit_=NULL; | ||
113 | static deflateEnd_ft p_deflateEnd=NULL; | ||
114 | static deflate_ft p_deflate=NULL; | ||
115 | static deflateInit__ft p_deflateInit_=NULL; | ||
116 | static zError__ft p_zError=NULL; | ||
117 | |||
118 | static int zlib_loaded = 0; /* only attempt to init func pts once */ | ||
119 | static DSO *zlib_dso = NULL; | ||
120 | |||
121 | #define compress p_compress | ||
122 | #define inflateEnd p_inflateEnd | ||
123 | #define inflate p_inflate | ||
124 | #define inflateInit_ p_inflateInit_ | ||
125 | #define deflateEnd p_deflateEnd | ||
126 | #define deflate p_deflate | ||
127 | #define deflateInit_ p_deflateInit_ | ||
128 | #define zError p_zError | ||
129 | #endif /* ZLIB_SHARED */ | ||
130 | |||
131 | struct zlib_state | ||
132 | { | ||
133 | z_stream istream; | ||
134 | z_stream ostream; | ||
135 | }; | ||
136 | |||
137 | static int zlib_stateful_ex_idx = -1; | ||
138 | |||
139 | static int zlib_stateful_init(COMP_CTX *ctx) | ||
140 | { | ||
141 | int err; | ||
142 | struct zlib_state *state = | ||
143 | (struct zlib_state *)OPENSSL_malloc(sizeof(struct zlib_state)); | ||
144 | |||
145 | if (state == NULL) | ||
146 | goto err; | ||
147 | |||
148 | state->istream.zalloc = zlib_zalloc; | ||
149 | state->istream.zfree = zlib_zfree; | ||
150 | state->istream.opaque = Z_NULL; | ||
151 | state->istream.next_in = Z_NULL; | ||
152 | state->istream.next_out = Z_NULL; | ||
153 | state->istream.avail_in = 0; | ||
154 | state->istream.avail_out = 0; | ||
155 | err = inflateInit_(&state->istream, | ||
156 | ZLIB_VERSION, sizeof(z_stream)); | ||
157 | if (err != Z_OK) | ||
158 | goto err; | ||
159 | |||
160 | state->ostream.zalloc = zlib_zalloc; | ||
161 | state->ostream.zfree = zlib_zfree; | ||
162 | state->ostream.opaque = Z_NULL; | ||
163 | state->ostream.next_in = Z_NULL; | ||
164 | state->ostream.next_out = Z_NULL; | ||
165 | state->ostream.avail_in = 0; | ||
166 | state->ostream.avail_out = 0; | ||
167 | err = deflateInit_(&state->ostream,Z_DEFAULT_COMPRESSION, | ||
168 | ZLIB_VERSION, sizeof(z_stream)); | ||
169 | if (err != Z_OK) | ||
170 | goto err; | ||
171 | |||
172 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_COMP,ctx,&ctx->ex_data); | ||
173 | CRYPTO_set_ex_data(&ctx->ex_data,zlib_stateful_ex_idx,state); | ||
174 | return 1; | ||
175 | err: | ||
176 | if (state) OPENSSL_free(state); | ||
177 | return 0; | ||
178 | } | ||
179 | |||
180 | static void zlib_stateful_finish(COMP_CTX *ctx) | ||
181 | { | ||
182 | struct zlib_state *state = | ||
183 | (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, | ||
184 | zlib_stateful_ex_idx); | ||
185 | inflateEnd(&state->istream); | ||
186 | deflateEnd(&state->ostream); | ||
187 | OPENSSL_free(state); | ||
188 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_COMP,ctx,&ctx->ex_data); | ||
189 | } | ||
190 | |||
191 | static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out, | ||
192 | unsigned int olen, unsigned char *in, unsigned int ilen) | ||
193 | { | ||
194 | int err = Z_OK; | ||
195 | struct zlib_state *state = | ||
196 | (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, | ||
197 | zlib_stateful_ex_idx); | ||
198 | |||
199 | if (state == NULL) | ||
200 | return -1; | ||
201 | |||
202 | state->ostream.next_in = in; | ||
203 | state->ostream.avail_in = ilen; | ||
204 | state->ostream.next_out = out; | ||
205 | state->ostream.avail_out = olen; | ||
206 | if (ilen > 0) | ||
207 | err = deflate(&state->ostream, Z_SYNC_FLUSH); | ||
208 | if (err != Z_OK) | ||
209 | return -1; | ||
210 | #ifdef DEBUG_ZLIB | ||
211 | fprintf(stderr,"compress(%4d)->%4d %s\n", | ||
212 | ilen,olen - state->ostream.avail_out, | ||
213 | (ilen != olen - state->ostream.avail_out)?"zlib":"clear"); | ||
214 | #endif | ||
215 | return olen - state->ostream.avail_out; | ||
216 | } | ||
217 | |||
218 | static int zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out, | ||
219 | unsigned int olen, unsigned char *in, unsigned int ilen) | ||
220 | { | ||
221 | int err = Z_OK; | ||
222 | |||
223 | struct zlib_state *state = | ||
224 | (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, | ||
225 | zlib_stateful_ex_idx); | ||
226 | |||
227 | if (state == NULL) | ||
228 | return 0; | ||
229 | |||
230 | state->istream.next_in = in; | ||
231 | state->istream.avail_in = ilen; | ||
232 | state->istream.next_out = out; | ||
233 | state->istream.avail_out = olen; | ||
234 | if (ilen > 0) | ||
235 | err = inflate(&state->istream, Z_SYNC_FLUSH); | ||
236 | if (err != Z_OK) | ||
237 | return -1; | ||
238 | #ifdef DEBUG_ZLIB | ||
239 | fprintf(stderr,"expand(%4d)->%4d %s\n", | ||
240 | ilen,olen - state->istream.avail_out, | ||
241 | (ilen != olen - state->istream.avail_out)?"zlib":"clear"); | ||
242 | #endif | ||
243 | return olen - state->istream.avail_out; | ||
244 | } | ||
245 | |||
246 | #if 0 | ||
247 | static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out, | ||
248 | unsigned int olen, unsigned char *in, unsigned int ilen) | ||
249 | { | ||
250 | unsigned long l; | ||
251 | int i; | ||
252 | int clear=1; | ||
253 | |||
254 | if (ilen > 128) | ||
255 | { | ||
256 | out[0]=1; | ||
257 | l=olen-1; | ||
258 | i=compress(&(out[1]),&l,in,(unsigned long)ilen); | ||
259 | if (i != Z_OK) | ||
260 | return(-1); | ||
261 | if (ilen > l) | ||
262 | { | ||
263 | clear=0; | ||
264 | l++; | ||
265 | } | ||
266 | } | ||
267 | if (clear) | ||
268 | { | ||
269 | out[0]=0; | ||
270 | memcpy(&(out[1]),in,ilen); | ||
271 | l=ilen+1; | ||
272 | } | ||
273 | #ifdef DEBUG_ZLIB | ||
274 | fprintf(stderr,"compress(%4d)->%4d %s\n", | ||
275 | ilen,(int)l,(clear)?"clear":"zlib"); | ||
276 | #endif | ||
277 | return((int)l); | ||
278 | } | ||
279 | |||
280 | static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out, | ||
281 | unsigned int olen, unsigned char *in, unsigned int ilen) | ||
282 | { | ||
283 | unsigned long l; | ||
284 | int i; | ||
285 | |||
286 | if (in[0]) | ||
287 | { | ||
288 | l=olen; | ||
289 | i=zz_uncompress(out,&l,&(in[1]),(unsigned long)ilen-1); | ||
290 | if (i != Z_OK) | ||
291 | return(-1); | ||
292 | } | ||
293 | else | ||
294 | { | ||
295 | memcpy(out,&(in[1]),ilen-1); | ||
296 | l=ilen-1; | ||
297 | } | ||
298 | #ifdef DEBUG_ZLIB | ||
299 | fprintf(stderr,"expand (%4d)->%4d %s\n", | ||
300 | ilen,(int)l,in[0]?"zlib":"clear"); | ||
301 | #endif | ||
302 | return((int)l); | ||
303 | } | ||
304 | |||
305 | static int zz_uncompress (Bytef *dest, uLongf *destLen, const Bytef *source, | ||
306 | uLong sourceLen) | ||
307 | { | ||
308 | z_stream stream; | ||
309 | int err; | ||
310 | |||
311 | stream.next_in = (Bytef*)source; | ||
312 | stream.avail_in = (uInt)sourceLen; | ||
313 | /* Check for source > 64K on 16-bit machine: */ | ||
314 | if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; | ||
315 | |||
316 | stream.next_out = dest; | ||
317 | stream.avail_out = (uInt)*destLen; | ||
318 | if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; | ||
319 | |||
320 | stream.zalloc = (alloc_func)0; | ||
321 | stream.zfree = (free_func)0; | ||
322 | |||
323 | err = inflateInit_(&stream, | ||
324 | ZLIB_VERSION, sizeof(z_stream)); | ||
325 | if (err != Z_OK) return err; | ||
326 | |||
327 | err = inflate(&stream, Z_FINISH); | ||
328 | if (err != Z_STREAM_END) { | ||
329 | inflateEnd(&stream); | ||
330 | return err; | ||
331 | } | ||
332 | *destLen = stream.total_out; | ||
333 | |||
334 | err = inflateEnd(&stream); | ||
335 | return err; | ||
336 | } | ||
337 | #endif | ||
338 | |||
339 | #endif | ||
340 | |||
341 | COMP_METHOD *COMP_zlib(void) | ||
342 | { | ||
343 | COMP_METHOD *meth = &zlib_method_nozlib; | ||
344 | |||
345 | #ifdef ZLIB_SHARED | ||
346 | if (!zlib_loaded) | ||
347 | { | ||
348 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) | ||
349 | zlib_dso = DSO_load(NULL, "ZLIB1", NULL, 0); | ||
350 | #else | ||
351 | zlib_dso = DSO_load(NULL, "z", NULL, 0); | ||
352 | #endif | ||
353 | if (zlib_dso != NULL) | ||
354 | { | ||
355 | p_compress | ||
356 | = (compress_ft) DSO_bind_func(zlib_dso, | ||
357 | "compress"); | ||
358 | p_inflateEnd | ||
359 | = (inflateEnd_ft) DSO_bind_func(zlib_dso, | ||
360 | "inflateEnd"); | ||
361 | p_inflate | ||
362 | = (inflate_ft) DSO_bind_func(zlib_dso, | ||
363 | "inflate"); | ||
364 | p_inflateInit_ | ||
365 | = (inflateInit__ft) DSO_bind_func(zlib_dso, | ||
366 | "inflateInit_"); | ||
367 | p_deflateEnd | ||
368 | = (deflateEnd_ft) DSO_bind_func(zlib_dso, | ||
369 | "deflateEnd"); | ||
370 | p_deflate | ||
371 | = (deflate_ft) DSO_bind_func(zlib_dso, | ||
372 | "deflate"); | ||
373 | p_deflateInit_ | ||
374 | = (deflateInit__ft) DSO_bind_func(zlib_dso, | ||
375 | "deflateInit_"); | ||
376 | p_zError | ||
377 | = (zError__ft) DSO_bind_func(zlib_dso, | ||
378 | "zError"); | ||
379 | |||
380 | if (p_compress && p_inflateEnd && p_inflate | ||
381 | && p_inflateInit_ && p_deflateEnd | ||
382 | && p_deflate && p_deflateInit_ && p_zError) | ||
383 | zlib_loaded++; | ||
384 | } | ||
385 | } | ||
386 | |||
387 | #endif | ||
388 | #ifdef ZLIB_SHARED | ||
389 | if (zlib_loaded) | ||
390 | #endif | ||
391 | #if defined(ZLIB) || defined(ZLIB_SHARED) | ||
392 | { | ||
393 | /* init zlib_stateful_ex_idx here so that in a multi-process | ||
394 | * application it's enough to intialize openssl before forking | ||
395 | * (idx will be inherited in all the children) */ | ||
396 | if (zlib_stateful_ex_idx == -1) | ||
397 | { | ||
398 | CRYPTO_w_lock(CRYPTO_LOCK_COMP); | ||
399 | if (zlib_stateful_ex_idx == -1) | ||
400 | zlib_stateful_ex_idx = | ||
401 | CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_COMP, | ||
402 | 0,NULL,NULL,NULL,NULL); | ||
403 | CRYPTO_w_unlock(CRYPTO_LOCK_COMP); | ||
404 | if (zlib_stateful_ex_idx == -1) | ||
405 | goto err; | ||
406 | } | ||
407 | |||
408 | meth = &zlib_stateful_method; | ||
409 | } | ||
410 | err: | ||
411 | #endif | ||
412 | |||
413 | return(meth); | ||
414 | } | ||
415 | |||
416 | void COMP_zlib_cleanup(void) | ||
417 | { | ||
418 | #ifdef ZLIB_SHARED | ||
419 | if (zlib_dso) | ||
420 | DSO_free(zlib_dso); | ||
421 | #endif | ||
422 | } | ||
423 | |||
424 | #ifdef ZLIB | ||
425 | |||
426 | /* Zlib based compression/decompression filter BIO */ | ||
427 | |||
428 | typedef struct | ||
429 | { | ||
430 | unsigned char *ibuf; /* Input buffer */ | ||
431 | int ibufsize; /* Buffer size */ | ||
432 | z_stream zin; /* Input decompress context */ | ||
433 | unsigned char *obuf; /* Output buffer */ | ||
434 | int obufsize; /* Output buffer size */ | ||
435 | unsigned char *optr; /* Position in output buffer */ | ||
436 | int ocount; /* Amount of data in output buffer */ | ||
437 | int odone; /* deflate EOF */ | ||
438 | int comp_level; /* Compression level to use */ | ||
439 | z_stream zout; /* Output compression context */ | ||
440 | } BIO_ZLIB_CTX; | ||
441 | |||
442 | #define ZLIB_DEFAULT_BUFSIZE 1024 | ||
443 | |||
444 | static int bio_zlib_new(BIO *bi); | ||
445 | static int bio_zlib_free(BIO *bi); | ||
446 | static int bio_zlib_read(BIO *b, char *out, int outl); | ||
447 | static int bio_zlib_write(BIO *b, const char *in, int inl); | ||
448 | static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr); | ||
449 | static long bio_zlib_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp); | ||
450 | |||
451 | static BIO_METHOD bio_meth_zlib = | ||
452 | { | ||
453 | BIO_TYPE_COMP, | ||
454 | "zlib", | ||
455 | bio_zlib_write, | ||
456 | bio_zlib_read, | ||
457 | NULL, | ||
458 | NULL, | ||
459 | bio_zlib_ctrl, | ||
460 | bio_zlib_new, | ||
461 | bio_zlib_free, | ||
462 | bio_zlib_callback_ctrl | ||
463 | }; | ||
464 | |||
465 | BIO_METHOD *BIO_f_zlib(void) | ||
466 | { | ||
467 | return &bio_meth_zlib; | ||
468 | } | ||
469 | |||
470 | |||
471 | static int bio_zlib_new(BIO *bi) | ||
472 | { | ||
473 | BIO_ZLIB_CTX *ctx; | ||
474 | #ifdef ZLIB_SHARED | ||
475 | (void)COMP_zlib(); | ||
476 | if (!zlib_loaded) | ||
477 | { | ||
478 | COMPerr(COMP_F_BIO_ZLIB_NEW, COMP_R_ZLIB_NOT_SUPPORTED); | ||
479 | return 0; | ||
480 | } | ||
481 | #endif | ||
482 | ctx = OPENSSL_malloc(sizeof(BIO_ZLIB_CTX)); | ||
483 | if(!ctx) | ||
484 | { | ||
485 | COMPerr(COMP_F_BIO_ZLIB_NEW, ERR_R_MALLOC_FAILURE); | ||
486 | return 0; | ||
487 | } | ||
488 | ctx->ibuf = NULL; | ||
489 | ctx->obuf = NULL; | ||
490 | ctx->ibufsize = ZLIB_DEFAULT_BUFSIZE; | ||
491 | ctx->obufsize = ZLIB_DEFAULT_BUFSIZE; | ||
492 | ctx->zin.zalloc = Z_NULL; | ||
493 | ctx->zin.zfree = Z_NULL; | ||
494 | ctx->zin.next_in = NULL; | ||
495 | ctx->zin.avail_in = 0; | ||
496 | ctx->zin.next_out = NULL; | ||
497 | ctx->zin.avail_out = 0; | ||
498 | ctx->zout.zalloc = Z_NULL; | ||
499 | ctx->zout.zfree = Z_NULL; | ||
500 | ctx->zout.next_in = NULL; | ||
501 | ctx->zout.avail_in = 0; | ||
502 | ctx->zout.next_out = NULL; | ||
503 | ctx->zout.avail_out = 0; | ||
504 | ctx->odone = 0; | ||
505 | ctx->comp_level = Z_DEFAULT_COMPRESSION; | ||
506 | bi->init = 1; | ||
507 | bi->ptr = (char *)ctx; | ||
508 | bi->flags = 0; | ||
509 | return 1; | ||
510 | } | ||
511 | |||
512 | static int bio_zlib_free(BIO *bi) | ||
513 | { | ||
514 | BIO_ZLIB_CTX *ctx; | ||
515 | if(!bi) return 0; | ||
516 | ctx = (BIO_ZLIB_CTX *)bi->ptr; | ||
517 | if(ctx->ibuf) | ||
518 | { | ||
519 | /* Destroy decompress context */ | ||
520 | inflateEnd(&ctx->zin); | ||
521 | OPENSSL_free(ctx->ibuf); | ||
522 | } | ||
523 | if(ctx->obuf) | ||
524 | { | ||
525 | /* Destroy compress context */ | ||
526 | deflateEnd(&ctx->zout); | ||
527 | OPENSSL_free(ctx->obuf); | ||
528 | } | ||
529 | OPENSSL_free(ctx); | ||
530 | bi->ptr = NULL; | ||
531 | bi->init = 0; | ||
532 | bi->flags = 0; | ||
533 | return 1; | ||
534 | } | ||
535 | |||
536 | static int bio_zlib_read(BIO *b, char *out, int outl) | ||
537 | { | ||
538 | BIO_ZLIB_CTX *ctx; | ||
539 | int ret; | ||
540 | z_stream *zin; | ||
541 | if(!out || !outl) return 0; | ||
542 | ctx = (BIO_ZLIB_CTX *)b->ptr; | ||
543 | zin = &ctx->zin; | ||
544 | BIO_clear_retry_flags(b); | ||
545 | if(!ctx->ibuf) | ||
546 | { | ||
547 | ctx->ibuf = OPENSSL_malloc(ctx->ibufsize); | ||
548 | if(!ctx->ibuf) | ||
549 | { | ||
550 | COMPerr(COMP_F_BIO_ZLIB_READ, ERR_R_MALLOC_FAILURE); | ||
551 | return 0; | ||
552 | } | ||
553 | inflateInit(zin); | ||
554 | zin->next_in = ctx->ibuf; | ||
555 | zin->avail_in = 0; | ||
556 | } | ||
557 | |||
558 | /* Copy output data directly to supplied buffer */ | ||
559 | zin->next_out = (unsigned char *)out; | ||
560 | zin->avail_out = (unsigned int)outl; | ||
561 | for(;;) | ||
562 | { | ||
563 | /* Decompress while data available */ | ||
564 | while(zin->avail_in) | ||
565 | { | ||
566 | ret = inflate(zin, 0); | ||
567 | if((ret != Z_OK) && (ret != Z_STREAM_END)) | ||
568 | { | ||
569 | COMPerr(COMP_F_BIO_ZLIB_READ, | ||
570 | COMP_R_ZLIB_INFLATE_ERROR); | ||
571 | ERR_add_error_data(2, "zlib error:", | ||
572 | zError(ret)); | ||
573 | return 0; | ||
574 | } | ||
575 | /* If EOF or we've read everything then return */ | ||
576 | if((ret == Z_STREAM_END) || !zin->avail_out) | ||
577 | return outl - zin->avail_out; | ||
578 | } | ||
579 | |||
580 | /* No data in input buffer try to read some in, | ||
581 | * if an error then return the total data read. | ||
582 | */ | ||
583 | ret = BIO_read(b->next_bio, ctx->ibuf, ctx->ibufsize); | ||
584 | if(ret <= 0) | ||
585 | { | ||
586 | /* Total data read */ | ||
587 | int tot = outl - zin->avail_out; | ||
588 | BIO_copy_next_retry(b); | ||
589 | if(ret < 0) return (tot > 0) ? tot : ret; | ||
590 | return tot; | ||
591 | } | ||
592 | zin->avail_in = ret; | ||
593 | zin->next_in = ctx->ibuf; | ||
594 | } | ||
595 | } | ||
596 | |||
597 | static int bio_zlib_write(BIO *b, const char *in, int inl) | ||
598 | { | ||
599 | BIO_ZLIB_CTX *ctx; | ||
600 | int ret; | ||
601 | z_stream *zout; | ||
602 | if(!in || !inl) return 0; | ||
603 | ctx = (BIO_ZLIB_CTX *)b->ptr; | ||
604 | if(ctx->odone) return 0; | ||
605 | zout = &ctx->zout; | ||
606 | BIO_clear_retry_flags(b); | ||
607 | if(!ctx->obuf) | ||
608 | { | ||
609 | ctx->obuf = OPENSSL_malloc(ctx->obufsize); | ||
610 | /* Need error here */ | ||
611 | if(!ctx->obuf) | ||
612 | { | ||
613 | COMPerr(COMP_F_BIO_ZLIB_WRITE, ERR_R_MALLOC_FAILURE); | ||
614 | return 0; | ||
615 | } | ||
616 | ctx->optr = ctx->obuf; | ||
617 | ctx->ocount = 0; | ||
618 | deflateInit(zout, ctx->comp_level); | ||
619 | zout->next_out = ctx->obuf; | ||
620 | zout->avail_out = ctx->obufsize; | ||
621 | } | ||
622 | /* Obtain input data directly from supplied buffer */ | ||
623 | zout->next_in = (void *)in; | ||
624 | zout->avail_in = inl; | ||
625 | for(;;) | ||
626 | { | ||
627 | /* If data in output buffer write it first */ | ||
628 | while(ctx->ocount) { | ||
629 | ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount); | ||
630 | if(ret <= 0) | ||
631 | { | ||
632 | /* Total data written */ | ||
633 | int tot = inl - zout->avail_in; | ||
634 | BIO_copy_next_retry(b); | ||
635 | if(ret < 0) return (tot > 0) ? tot : ret; | ||
636 | return tot; | ||
637 | } | ||
638 | ctx->optr += ret; | ||
639 | ctx->ocount -= ret; | ||
640 | } | ||
641 | |||
642 | /* Have we consumed all supplied data? */ | ||
643 | if(!zout->avail_in) | ||
644 | return inl; | ||
645 | |||
646 | /* Compress some more */ | ||
647 | |||
648 | /* Reset buffer */ | ||
649 | ctx->optr = ctx->obuf; | ||
650 | zout->next_out = ctx->obuf; | ||
651 | zout->avail_out = ctx->obufsize; | ||
652 | /* Compress some more */ | ||
653 | ret = deflate(zout, 0); | ||
654 | if(ret != Z_OK) | ||
655 | { | ||
656 | COMPerr(COMP_F_BIO_ZLIB_WRITE, | ||
657 | COMP_R_ZLIB_DEFLATE_ERROR); | ||
658 | ERR_add_error_data(2, "zlib error:", zError(ret)); | ||
659 | return 0; | ||
660 | } | ||
661 | ctx->ocount = ctx->obufsize - zout->avail_out; | ||
662 | } | ||
663 | } | ||
664 | |||
665 | static int bio_zlib_flush(BIO *b) | ||
666 | { | ||
667 | BIO_ZLIB_CTX *ctx; | ||
668 | int ret; | ||
669 | z_stream *zout; | ||
670 | ctx = (BIO_ZLIB_CTX *)b->ptr; | ||
671 | /* If no data written or already flush show success */ | ||
672 | if(!ctx->obuf || (ctx->odone && !ctx->ocount)) return 1; | ||
673 | zout = &ctx->zout; | ||
674 | BIO_clear_retry_flags(b); | ||
675 | /* No more input data */ | ||
676 | zout->next_in = NULL; | ||
677 | zout->avail_in = 0; | ||
678 | for(;;) | ||
679 | { | ||
680 | /* If data in output buffer write it first */ | ||
681 | while(ctx->ocount) | ||
682 | { | ||
683 | ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount); | ||
684 | if(ret <= 0) | ||
685 | { | ||
686 | BIO_copy_next_retry(b); | ||
687 | return ret; | ||
688 | } | ||
689 | ctx->optr += ret; | ||
690 | ctx->ocount -= ret; | ||
691 | } | ||
692 | if(ctx->odone) return 1; | ||
693 | |||
694 | /* Compress some more */ | ||
695 | |||
696 | /* Reset buffer */ | ||
697 | ctx->optr = ctx->obuf; | ||
698 | zout->next_out = ctx->obuf; | ||
699 | zout->avail_out = ctx->obufsize; | ||
700 | /* Compress some more */ | ||
701 | ret = deflate(zout, Z_FINISH); | ||
702 | if(ret == Z_STREAM_END) ctx->odone = 1; | ||
703 | else if(ret != Z_OK) | ||
704 | { | ||
705 | COMPerr(COMP_F_BIO_ZLIB_FLUSH, | ||
706 | COMP_R_ZLIB_DEFLATE_ERROR); | ||
707 | ERR_add_error_data(2, "zlib error:", zError(ret)); | ||
708 | return 0; | ||
709 | } | ||
710 | ctx->ocount = ctx->obufsize - zout->avail_out; | ||
711 | } | ||
712 | } | ||
713 | |||
714 | static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr) | ||
715 | { | ||
716 | BIO_ZLIB_CTX *ctx; | ||
717 | int ret, *ip; | ||
718 | int ibs, obs; | ||
719 | if(!b->next_bio) return 0; | ||
720 | ctx = (BIO_ZLIB_CTX *)b->ptr; | ||
721 | switch (cmd) | ||
722 | { | ||
723 | |||
724 | case BIO_CTRL_RESET: | ||
725 | ctx->ocount = 0; | ||
726 | ctx->odone = 0; | ||
727 | ret = 1; | ||
728 | break; | ||
729 | |||
730 | case BIO_CTRL_FLUSH: | ||
731 | ret = bio_zlib_flush(b); | ||
732 | if (ret > 0) | ||
733 | ret = BIO_flush(b->next_bio); | ||
734 | break; | ||
735 | |||
736 | case BIO_C_SET_BUFF_SIZE: | ||
737 | ibs = -1; | ||
738 | obs = -1; | ||
739 | if (ptr != NULL) | ||
740 | { | ||
741 | ip = ptr; | ||
742 | if (*ip == 0) | ||
743 | ibs = (int) num; | ||
744 | else | ||
745 | obs = (int) num; | ||
746 | } | ||
747 | else | ||
748 | { | ||
749 | ibs = (int)num; | ||
750 | obs = ibs; | ||
751 | } | ||
752 | |||
753 | if (ibs != -1) | ||
754 | { | ||
755 | if (ctx->ibuf) | ||
756 | { | ||
757 | OPENSSL_free(ctx->ibuf); | ||
758 | ctx->ibuf = NULL; | ||
759 | } | ||
760 | ctx->ibufsize = ibs; | ||
761 | } | ||
762 | |||
763 | if (obs != -1) | ||
764 | { | ||
765 | if (ctx->obuf) | ||
766 | { | ||
767 | OPENSSL_free(ctx->obuf); | ||
768 | ctx->obuf = NULL; | ||
769 | } | ||
770 | ctx->obufsize = obs; | ||
771 | } | ||
772 | ret = 1; | ||
773 | break; | ||
774 | |||
775 | case BIO_C_DO_STATE_MACHINE: | ||
776 | BIO_clear_retry_flags(b); | ||
777 | ret = BIO_ctrl(b->next_bio, cmd, num, ptr); | ||
778 | BIO_copy_next_retry(b); | ||
779 | break; | ||
780 | |||
781 | default: | ||
782 | ret = BIO_ctrl(b->next_bio, cmd, num, ptr); | ||
783 | break; | ||
784 | |||
785 | } | ||
786 | |||
787 | return ret; | ||
788 | } | ||
789 | |||
790 | |||
791 | static long bio_zlib_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) | ||
792 | { | ||
793 | if(!b->next_bio) | ||
794 | return 0; | ||
795 | return | ||
796 | BIO_callback_ctrl(b->next_bio, cmd, fp); | ||
797 | } | ||
798 | |||
799 | #endif | ||
diff --git a/src/lib/libcrypto/comp/comp.h b/src/lib/libcrypto/comp/comp.h deleted file mode 100644 index 4b405c7d49..0000000000 --- a/src/lib/libcrypto/comp/comp.h +++ /dev/null | |||
@@ -1,80 +0,0 @@ | |||
1 | |||
2 | #ifndef HEADER_COMP_H | ||
3 | #define HEADER_COMP_H | ||
4 | |||
5 | #include <openssl/crypto.h> | ||
6 | |||
7 | #ifdef __cplusplus | ||
8 | extern "C" { | ||
9 | #endif | ||
10 | |||
11 | typedef struct comp_ctx_st COMP_CTX; | ||
12 | |||
13 | typedef struct comp_method_st | ||
14 | { | ||
15 | int type; /* NID for compression library */ | ||
16 | const char *name; /* A text string to identify the library */ | ||
17 | int (*init)(COMP_CTX *ctx); | ||
18 | void (*finish)(COMP_CTX *ctx); | ||
19 | int (*compress)(COMP_CTX *ctx, | ||
20 | unsigned char *out, unsigned int olen, | ||
21 | unsigned char *in, unsigned int ilen); | ||
22 | int (*expand)(COMP_CTX *ctx, | ||
23 | unsigned char *out, unsigned int olen, | ||
24 | unsigned char *in, unsigned int ilen); | ||
25 | /* The following two do NOTHING, but are kept for backward compatibility */ | ||
26 | long (*ctrl)(void); | ||
27 | long (*callback_ctrl)(void); | ||
28 | } COMP_METHOD; | ||
29 | |||
30 | struct comp_ctx_st | ||
31 | { | ||
32 | COMP_METHOD *meth; | ||
33 | unsigned long compress_in; | ||
34 | unsigned long compress_out; | ||
35 | unsigned long expand_in; | ||
36 | unsigned long expand_out; | ||
37 | |||
38 | CRYPTO_EX_DATA ex_data; | ||
39 | }; | ||
40 | |||
41 | |||
42 | COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); | ||
43 | void COMP_CTX_free(COMP_CTX *ctx); | ||
44 | int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, | ||
45 | unsigned char *in, int ilen); | ||
46 | int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, | ||
47 | unsigned char *in, int ilen); | ||
48 | COMP_METHOD *COMP_rle(void ); | ||
49 | COMP_METHOD *COMP_zlib(void ); | ||
50 | void COMP_zlib_cleanup(void); | ||
51 | |||
52 | #ifdef HEADER_BIO_H | ||
53 | #ifdef ZLIB | ||
54 | BIO_METHOD *BIO_f_zlib(void); | ||
55 | #endif | ||
56 | #endif | ||
57 | |||
58 | /* BEGIN ERROR CODES */ | ||
59 | /* The following lines are auto generated by the script mkerr.pl. Any changes | ||
60 | * made after this point may be overwritten when the script is next run. | ||
61 | */ | ||
62 | void ERR_load_COMP_strings(void); | ||
63 | |||
64 | /* Error codes for the COMP functions. */ | ||
65 | |||
66 | /* Function codes. */ | ||
67 | #define COMP_F_BIO_ZLIB_FLUSH 99 | ||
68 | #define COMP_F_BIO_ZLIB_NEW 100 | ||
69 | #define COMP_F_BIO_ZLIB_READ 101 | ||
70 | #define COMP_F_BIO_ZLIB_WRITE 102 | ||
71 | |||
72 | /* Reason codes. */ | ||
73 | #define COMP_R_ZLIB_DEFLATE_ERROR 99 | ||
74 | #define COMP_R_ZLIB_INFLATE_ERROR 100 | ||
75 | #define COMP_R_ZLIB_NOT_SUPPORTED 101 | ||
76 | |||
77 | #ifdef __cplusplus | ||
78 | } | ||
79 | #endif | ||
80 | #endif | ||
diff --git a/src/lib/libcrypto/comp/comp_err.c b/src/lib/libcrypto/comp/comp_err.c deleted file mode 100644 index 661c94c3a4..0000000000 --- a/src/lib/libcrypto/comp/comp_err.c +++ /dev/null | |||
@@ -1,100 +0,0 @@ | |||
1 | /* crypto/comp/comp_err.c */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 1999-2007 The OpenSSL Project. All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * | ||
9 | * 1. Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in | ||
14 | * the documentation and/or other materials provided with the | ||
15 | * distribution. | ||
16 | * | ||
17 | * 3. All advertising materials mentioning features or use of this | ||
18 | * software must display the following acknowledgment: | ||
19 | * "This product includes software developed by the OpenSSL Project | ||
20 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
21 | * | ||
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
23 | * endorse or promote products derived from this software without | ||
24 | * prior written permission. For written permission, please contact | ||
25 | * openssl-core@OpenSSL.org. | ||
26 | * | ||
27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
28 | * nor may "OpenSSL" appear in their names without prior written | ||
29 | * permission of the OpenSSL Project. | ||
30 | * | ||
31 | * 6. Redistributions of any form whatsoever must retain the following | ||
32 | * acknowledgment: | ||
33 | * "This product includes software developed by the OpenSSL Project | ||
34 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
35 | * | ||
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
48 | * ==================================================================== | ||
49 | * | ||
50 | * This product includes cryptographic software written by Eric Young | ||
51 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
52 | * Hudson (tjh@cryptsoft.com). | ||
53 | * | ||
54 | */ | ||
55 | |||
56 | /* NOTE: this file was auto generated by the mkerr.pl script: any changes | ||
57 | * made to it will be overwritten when the script next updates this file, | ||
58 | * only reason strings will be preserved. | ||
59 | */ | ||
60 | |||
61 | #include <stdio.h> | ||
62 | #include <openssl/err.h> | ||
63 | #include <openssl/comp.h> | ||
64 | |||
65 | /* BEGIN ERROR CODES */ | ||
66 | #ifndef OPENSSL_NO_ERR | ||
67 | |||
68 | #define ERR_FUNC(func) ERR_PACK(ERR_LIB_COMP,func,0) | ||
69 | #define ERR_REASON(reason) ERR_PACK(ERR_LIB_COMP,0,reason) | ||
70 | |||
71 | static ERR_STRING_DATA COMP_str_functs[]= | ||
72 | { | ||
73 | {ERR_FUNC(COMP_F_BIO_ZLIB_FLUSH), "BIO_ZLIB_FLUSH"}, | ||
74 | {ERR_FUNC(COMP_F_BIO_ZLIB_NEW), "BIO_ZLIB_NEW"}, | ||
75 | {ERR_FUNC(COMP_F_BIO_ZLIB_READ), "BIO_ZLIB_READ"}, | ||
76 | {ERR_FUNC(COMP_F_BIO_ZLIB_WRITE), "BIO_ZLIB_WRITE"}, | ||
77 | {0,NULL} | ||
78 | }; | ||
79 | |||
80 | static ERR_STRING_DATA COMP_str_reasons[]= | ||
81 | { | ||
82 | {ERR_REASON(COMP_R_ZLIB_DEFLATE_ERROR) ,"zlib deflate error"}, | ||
83 | {ERR_REASON(COMP_R_ZLIB_INFLATE_ERROR) ,"zlib inflate error"}, | ||
84 | {ERR_REASON(COMP_R_ZLIB_NOT_SUPPORTED) ,"zlib not supported"}, | ||
85 | {0,NULL} | ||
86 | }; | ||
87 | |||
88 | #endif | ||
89 | |||
90 | void ERR_load_COMP_strings(void) | ||
91 | { | ||
92 | #ifndef OPENSSL_NO_ERR | ||
93 | |||
94 | if (ERR_func_error_string(COMP_str_functs[0].error) == NULL) | ||
95 | { | ||
96 | ERR_load_strings(0,COMP_str_functs); | ||
97 | ERR_load_strings(0,COMP_str_reasons); | ||
98 | } | ||
99 | #endif | ||
100 | } | ||
diff --git a/src/lib/libcrypto/comp/comp_lib.c b/src/lib/libcrypto/comp/comp_lib.c deleted file mode 100644 index b60ae371e8..0000000000 --- a/src/lib/libcrypto/comp/comp_lib.c +++ /dev/null | |||
@@ -1,72 +0,0 @@ | |||
1 | #include <stdio.h> | ||
2 | #include <stdlib.h> | ||
3 | #include <string.h> | ||
4 | #include <openssl/objects.h> | ||
5 | #include <openssl/comp.h> | ||
6 | |||
7 | COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) | ||
8 | { | ||
9 | COMP_CTX *ret; | ||
10 | |||
11 | if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL) | ||
12 | { | ||
13 | /* ZZZZZZZZZZZZZZZZ */ | ||
14 | return(NULL); | ||
15 | } | ||
16 | memset(ret,0,sizeof(COMP_CTX)); | ||
17 | ret->meth=meth; | ||
18 | if ((ret->meth->init != NULL) && !ret->meth->init(ret)) | ||
19 | { | ||
20 | OPENSSL_free(ret); | ||
21 | ret=NULL; | ||
22 | } | ||
23 | return(ret); | ||
24 | } | ||
25 | |||
26 | void COMP_CTX_free(COMP_CTX *ctx) | ||
27 | { | ||
28 | if(ctx == NULL) | ||
29 | return; | ||
30 | |||
31 | if (ctx->meth->finish != NULL) | ||
32 | ctx->meth->finish(ctx); | ||
33 | |||
34 | OPENSSL_free(ctx); | ||
35 | } | ||
36 | |||
37 | int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, | ||
38 | unsigned char *in, int ilen) | ||
39 | { | ||
40 | int ret; | ||
41 | if (ctx->meth->compress == NULL) | ||
42 | { | ||
43 | /* ZZZZZZZZZZZZZZZZZ */ | ||
44 | return(-1); | ||
45 | } | ||
46 | ret=ctx->meth->compress(ctx,out,olen,in,ilen); | ||
47 | if (ret > 0) | ||
48 | { | ||
49 | ctx->compress_in+=ilen; | ||
50 | ctx->compress_out+=ret; | ||
51 | } | ||
52 | return(ret); | ||
53 | } | ||
54 | |||
55 | int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, | ||
56 | unsigned char *in, int ilen) | ||
57 | { | ||
58 | int ret; | ||
59 | |||
60 | if (ctx->meth->expand == NULL) | ||
61 | { | ||
62 | /* ZZZZZZZZZZZZZZZZZ */ | ||
63 | return(-1); | ||
64 | } | ||
65 | ret=ctx->meth->expand(ctx,out,olen,in,ilen); | ||
66 | if (ret > 0) | ||
67 | { | ||
68 | ctx->expand_in+=ilen; | ||
69 | ctx->expand_out+=ret; | ||
70 | } | ||
71 | return(ret); | ||
72 | } | ||