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Commit | Line | Data |
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62867571 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
62867571 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <errno.h> | |
b39fc560 | 12 | #include "internal/cryptlib.h" |
ec577822 BM |
13 | #include <openssl/buffer.h> |
14 | #include <openssl/evp.h> | |
a146ae55 | 15 | #include "internal/bio.h" |
d02b48c6 | 16 | |
0e1c0612 UM |
17 | static int b64_write(BIO *h, const char *buf, int num); |
18 | static int b64_read(BIO *h, char *buf, int size); | |
cb877ccb | 19 | static int b64_puts(BIO *h, const char *str); |
0e1c0612 | 20 | static long b64_ctrl(BIO *h, int cmd, long arg1, void *arg2); |
d02b48c6 RE |
21 | static int b64_new(BIO *h); |
22 | static int b64_free(BIO *data); | |
0f113f3e MC |
23 | static long b64_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); |
24 | #define B64_BLOCK_SIZE 1024 | |
25 | #define B64_BLOCK_SIZE2 768 | |
26 | #define B64_NONE 0 | |
27 | #define B64_ENCODE 1 | |
28 | #define B64_DECODE 2 | |
29 | ||
30 | typedef struct b64_struct { | |
31 | /* | |
32 | * BIO *bio; moved to the BIO structure | |
33 | */ | |
34 | int buf_len; | |
35 | int buf_off; | |
36 | int tmp_len; /* used to find the start when decoding */ | |
37 | int tmp_nl; /* If true, scan until '\n' */ | |
38 | int encode; | |
39 | int start; /* have we started decoding yet? */ | |
40 | int cont; /* <= 0 when finished */ | |
b518d2d5 | 41 | EVP_ENCODE_CTX *base64; |
0f113f3e MC |
42 | char buf[EVP_ENCODE_LENGTH(B64_BLOCK_SIZE) + 10]; |
43 | char tmp[B64_BLOCK_SIZE]; | |
44 | } BIO_B64_CTX; | |
45 | ||
04f6b0fd | 46 | static const BIO_METHOD methods_b64 = { |
0f113f3e | 47 | BIO_TYPE_BASE64, "base64 encoding", |
3befffa3 MC |
48 | /* TODO: Convert to new style write function */ |
49 | bwrite_conv, | |
0f113f3e | 50 | b64_write, |
d07aee2c MC |
51 | /* TODO: Convert to new style read function */ |
52 | bread_conv, | |
0f113f3e MC |
53 | b64_read, |
54 | b64_puts, | |
55 | NULL, /* b64_gets, */ | |
56 | b64_ctrl, | |
57 | b64_new, | |
58 | b64_free, | |
59 | b64_callback_ctrl, | |
60 | }; | |
d02b48c6 | 61 | |
a146ae55 | 62 | |
04f6b0fd | 63 | const BIO_METHOD *BIO_f_base64(void) |
0f113f3e | 64 | { |
a146ae55 | 65 | return &methods_b64; |
0f113f3e | 66 | } |
d02b48c6 | 67 | |
6b691a5c | 68 | static int b64_new(BIO *bi) |
0f113f3e MC |
69 | { |
70 | BIO_B64_CTX *ctx; | |
71 | ||
64b25758 | 72 | ctx = OPENSSL_zalloc(sizeof(*ctx)); |
0f113f3e | 73 | if (ctx == NULL) |
cb1d435c | 74 | return 0; |
0f113f3e | 75 | |
0f113f3e MC |
76 | ctx->cont = 1; |
77 | ctx->start = 1; | |
e0d32e98 | 78 | ctx->base64 = EVP_ENCODE_CTX_new(); |
cb1d435c MRA |
79 | if (ctx->base64 == NULL) { |
80 | OPENSSL_free(ctx); | |
81 | return 0; | |
82 | } | |
83 | ||
a146ae55 MC |
84 | BIO_set_data(bi, ctx); |
85 | BIO_set_init(bi, 1); | |
86 | ||
87 | return 1; | |
0f113f3e | 88 | } |
d02b48c6 | 89 | |
6b691a5c | 90 | static int b64_free(BIO *a) |
0f113f3e | 91 | { |
a146ae55 | 92 | BIO_B64_CTX *ctx; |
0f113f3e | 93 | if (a == NULL) |
a146ae55 MC |
94 | return 0; |
95 | ||
96 | ctx = BIO_get_data(a); | |
97 | if (ctx == NULL) | |
98 | return 0; | |
99 | ||
100 | EVP_ENCODE_CTX_free(ctx->base64); | |
101 | OPENSSL_free(ctx); | |
102 | BIO_set_data(a, NULL); | |
103 | BIO_set_init(a, 0); | |
104 | ||
105 | return 1; | |
0f113f3e MC |
106 | } |
107 | ||
6b691a5c | 108 | static int b64_read(BIO *b, char *out, int outl) |
0f113f3e MC |
109 | { |
110 | int ret = 0, i, ii, j, k, x, n, num, ret_code = 0; | |
111 | BIO_B64_CTX *ctx; | |
112 | unsigned char *p, *q; | |
a146ae55 | 113 | BIO *next; |
0f113f3e MC |
114 | |
115 | if (out == NULL) | |
26a7d938 | 116 | return 0; |
a146ae55 | 117 | ctx = (BIO_B64_CTX *)BIO_get_data(b); |
0f113f3e | 118 | |
a146ae55 MC |
119 | next = BIO_next(b); |
120 | if ((ctx == NULL) || (next == NULL)) | |
121 | return 0; | |
0f113f3e MC |
122 | |
123 | BIO_clear_retry_flags(b); | |
124 | ||
125 | if (ctx->encode != B64_DECODE) { | |
126 | ctx->encode = B64_DECODE; | |
127 | ctx->buf_len = 0; | |
128 | ctx->buf_off = 0; | |
129 | ctx->tmp_len = 0; | |
b518d2d5 | 130 | EVP_DecodeInit(ctx->base64); |
0f113f3e MC |
131 | } |
132 | ||
133 | /* First check if there are bytes decoded/encoded */ | |
134 | if (ctx->buf_len > 0) { | |
135 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
136 | i = ctx->buf_len - ctx->buf_off; | |
137 | if (i > outl) | |
138 | i = outl; | |
139 | OPENSSL_assert(ctx->buf_off + i < (int)sizeof(ctx->buf)); | |
140 | memcpy(out, &(ctx->buf[ctx->buf_off]), i); | |
141 | ret = i; | |
142 | out += i; | |
143 | outl -= i; | |
144 | ctx->buf_off += i; | |
145 | if (ctx->buf_len == ctx->buf_off) { | |
146 | ctx->buf_len = 0; | |
147 | ctx->buf_off = 0; | |
148 | } | |
149 | } | |
150 | ||
151 | /* | |
152 | * At this point, we have room of outl bytes and an empty buffer, so we | |
153 | * should read in some more. | |
154 | */ | |
155 | ||
156 | ret_code = 0; | |
157 | while (outl > 0) { | |
158 | if (ctx->cont <= 0) | |
159 | break; | |
160 | ||
a146ae55 | 161 | i = BIO_read(next, &(ctx->tmp[ctx->tmp_len]), |
0f113f3e MC |
162 | B64_BLOCK_SIZE - ctx->tmp_len); |
163 | ||
164 | if (i <= 0) { | |
165 | ret_code = i; | |
166 | ||
167 | /* Should we continue next time we are called? */ | |
a146ae55 | 168 | if (!BIO_should_retry(next)) { |
0f113f3e MC |
169 | ctx->cont = i; |
170 | /* If buffer empty break */ | |
171 | if (ctx->tmp_len == 0) | |
172 | break; | |
173 | /* Fall through and process what we have */ | |
174 | else | |
175 | i = 0; | |
176 | } | |
177 | /* else we retry and add more data to buffer */ | |
178 | else | |
179 | break; | |
180 | } | |
181 | i += ctx->tmp_len; | |
182 | ctx->tmp_len = i; | |
183 | ||
184 | /* | |
185 | * We need to scan, a line at a time until we have a valid line if we | |
186 | * are starting. | |
187 | */ | |
188 | if (ctx->start && (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL)) { | |
189 | /* ctx->start=1; */ | |
190 | ctx->tmp_len = 0; | |
191 | } else if (ctx->start) { | |
192 | q = p = (unsigned char *)ctx->tmp; | |
193 | num = 0; | |
194 | for (j = 0; j < i; j++) { | |
195 | if (*(q++) != '\n') | |
196 | continue; | |
197 | ||
198 | /* | |
199 | * due to a previous very long line, we need to keep on | |
200 | * scanning for a '\n' before we even start looking for | |
201 | * base64 encoded stuff. | |
202 | */ | |
203 | if (ctx->tmp_nl) { | |
204 | p = q; | |
205 | ctx->tmp_nl = 0; | |
206 | continue; | |
207 | } | |
208 | ||
b518d2d5 | 209 | k = EVP_DecodeUpdate(ctx->base64, |
0f113f3e MC |
210 | (unsigned char *)ctx->buf, |
211 | &num, p, q - p); | |
212 | if ((k <= 0) && (num == 0) && (ctx->start)) | |
b518d2d5 | 213 | EVP_DecodeInit(ctx->base64); |
0f113f3e MC |
214 | else { |
215 | if (p != (unsigned char *) | |
216 | &(ctx->tmp[0])) { | |
217 | i -= (p - (unsigned char *) | |
218 | &(ctx->tmp[0])); | |
219 | for (x = 0; x < i; x++) | |
220 | ctx->tmp[x] = p[x]; | |
221 | } | |
b518d2d5 | 222 | EVP_DecodeInit(ctx->base64); |
0f113f3e MC |
223 | ctx->start = 0; |
224 | break; | |
225 | } | |
226 | p = q; | |
227 | } | |
228 | ||
229 | /* we fell off the end without starting */ | |
230 | if ((j == i) && (num == 0)) { | |
231 | /* | |
232 | * Is this is one long chunk?, if so, keep on reading until a | |
233 | * new line. | |
234 | */ | |
235 | if (p == (unsigned char *)&(ctx->tmp[0])) { | |
236 | /* Check buffer full */ | |
237 | if (i == B64_BLOCK_SIZE) { | |
238 | ctx->tmp_nl = 1; | |
239 | ctx->tmp_len = 0; | |
240 | } | |
241 | } else if (p != q) { /* finished on a '\n' */ | |
242 | n = q - p; | |
243 | for (ii = 0; ii < n; ii++) | |
244 | ctx->tmp[ii] = p[ii]; | |
245 | ctx->tmp_len = n; | |
246 | } | |
247 | /* else finished on a '\n' */ | |
248 | continue; | |
249 | } else { | |
250 | ctx->tmp_len = 0; | |
251 | } | |
252 | } else if ((i < B64_BLOCK_SIZE) && (ctx->cont > 0)) { | |
253 | /* | |
254 | * If buffer isn't full and we can retry then restart to read in | |
255 | * more data. | |
256 | */ | |
257 | continue; | |
258 | } | |
259 | ||
260 | if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL) { | |
261 | int z, jj; | |
58964a49 | 262 | |
0f113f3e | 263 | jj = i & ~3; /* process per 4 */ |
0f113f3e MC |
264 | z = EVP_DecodeBlock((unsigned char *)ctx->buf, |
265 | (unsigned char *)ctx->tmp, jj); | |
266 | if (jj > 2) { | |
267 | if (ctx->tmp[jj - 1] == '=') { | |
268 | z--; | |
269 | if (ctx->tmp[jj - 2] == '=') | |
270 | z--; | |
271 | } | |
272 | } | |
273 | /* | |
274 | * z is now number of output bytes and jj is the number consumed | |
275 | */ | |
276 | if (jj != i) { | |
277 | memmove(ctx->tmp, &ctx->tmp[jj], i - jj); | |
278 | ctx->tmp_len = i - jj; | |
279 | } | |
280 | ctx->buf_len = 0; | |
281 | if (z > 0) { | |
282 | ctx->buf_len = z; | |
283 | } | |
284 | i = z; | |
285 | } else { | |
b518d2d5 | 286 | i = EVP_DecodeUpdate(ctx->base64, |
0f113f3e MC |
287 | (unsigned char *)ctx->buf, &ctx->buf_len, |
288 | (unsigned char *)ctx->tmp, i); | |
289 | ctx->tmp_len = 0; | |
290 | } | |
291 | ctx->buf_off = 0; | |
292 | if (i < 0) { | |
293 | ret_code = 0; | |
294 | ctx->buf_len = 0; | |
295 | break; | |
296 | } | |
297 | ||
298 | if (ctx->buf_len <= outl) | |
299 | i = ctx->buf_len; | |
300 | else | |
301 | i = outl; | |
302 | ||
303 | memcpy(out, ctx->buf, i); | |
304 | ret += i; | |
305 | ctx->buf_off = i; | |
306 | if (ctx->buf_off == ctx->buf_len) { | |
307 | ctx->buf_len = 0; | |
308 | ctx->buf_off = 0; | |
309 | } | |
310 | outl -= i; | |
311 | out += i; | |
312 | } | |
313 | /* BIO_clear_retry_flags(b); */ | |
314 | BIO_copy_next_retry(b); | |
315 | return ((ret == 0) ? ret_code : ret); | |
316 | } | |
d02b48c6 | 317 | |
0e1c0612 | 318 | static int b64_write(BIO *b, const char *in, int inl) |
0f113f3e MC |
319 | { |
320 | int ret = 0; | |
321 | int n; | |
322 | int i; | |
323 | BIO_B64_CTX *ctx; | |
a146ae55 MC |
324 | BIO *next; |
325 | ||
326 | ctx = (BIO_B64_CTX *)BIO_get_data(b); | |
327 | next = BIO_next(b); | |
328 | if ((ctx == NULL) || (next == NULL)) | |
329 | return 0; | |
0f113f3e | 330 | |
0f113f3e MC |
331 | BIO_clear_retry_flags(b); |
332 | ||
333 | if (ctx->encode != B64_ENCODE) { | |
334 | ctx->encode = B64_ENCODE; | |
335 | ctx->buf_len = 0; | |
336 | ctx->buf_off = 0; | |
337 | ctx->tmp_len = 0; | |
b518d2d5 | 338 | EVP_EncodeInit(ctx->base64); |
0f113f3e MC |
339 | } |
340 | ||
341 | OPENSSL_assert(ctx->buf_off < (int)sizeof(ctx->buf)); | |
342 | OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf)); | |
343 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
344 | n = ctx->buf_len - ctx->buf_off; | |
345 | while (n > 0) { | |
a146ae55 | 346 | i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n); |
0f113f3e MC |
347 | if (i <= 0) { |
348 | BIO_copy_next_retry(b); | |
26a7d938 | 349 | return i; |
0f113f3e MC |
350 | } |
351 | OPENSSL_assert(i <= n); | |
352 | ctx->buf_off += i; | |
353 | OPENSSL_assert(ctx->buf_off <= (int)sizeof(ctx->buf)); | |
354 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
355 | n -= i; | |
356 | } | |
357 | /* at this point all pending data has been written */ | |
358 | ctx->buf_off = 0; | |
359 | ctx->buf_len = 0; | |
360 | ||
361 | if ((in == NULL) || (inl <= 0)) | |
26a7d938 | 362 | return 0; |
0f113f3e MC |
363 | |
364 | while (inl > 0) { | |
365 | n = (inl > B64_BLOCK_SIZE) ? B64_BLOCK_SIZE : inl; | |
366 | ||
367 | if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL) { | |
368 | if (ctx->tmp_len > 0) { | |
369 | OPENSSL_assert(ctx->tmp_len <= 3); | |
370 | n = 3 - ctx->tmp_len; | |
371 | /* | |
372 | * There's a theoretical possibility for this | |
373 | */ | |
374 | if (n > inl) | |
375 | n = inl; | |
376 | memcpy(&(ctx->tmp[ctx->tmp_len]), in, n); | |
377 | ctx->tmp_len += n; | |
378 | ret += n; | |
379 | if (ctx->tmp_len < 3) | |
380 | break; | |
381 | ctx->buf_len = | |
382 | EVP_EncodeBlock((unsigned char *)ctx->buf, | |
383 | (unsigned char *)ctx->tmp, ctx->tmp_len); | |
384 | OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf)); | |
385 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
386 | /* | |
387 | * Since we're now done using the temporary buffer, the | |
388 | * length should be 0'd | |
389 | */ | |
390 | ctx->tmp_len = 0; | |
391 | } else { | |
392 | if (n < 3) { | |
393 | memcpy(ctx->tmp, in, n); | |
394 | ctx->tmp_len = n; | |
395 | ret += n; | |
396 | break; | |
397 | } | |
398 | n -= n % 3; | |
399 | ctx->buf_len = | |
400 | EVP_EncodeBlock((unsigned char *)ctx->buf, | |
401 | (const unsigned char *)in, n); | |
402 | OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf)); | |
403 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
404 | ret += n; | |
405 | } | |
406 | } else { | |
cf3404fc MC |
407 | if (!EVP_EncodeUpdate(ctx->base64, |
408 | (unsigned char *)ctx->buf, &ctx->buf_len, | |
409 | (unsigned char *)in, n)) | |
410 | return ((ret == 0) ? -1 : ret); | |
0f113f3e MC |
411 | OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf)); |
412 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
413 | ret += n; | |
414 | } | |
415 | inl -= n; | |
416 | in += n; | |
417 | ||
418 | ctx->buf_off = 0; | |
419 | n = ctx->buf_len; | |
420 | while (n > 0) { | |
a146ae55 | 421 | i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n); |
0f113f3e MC |
422 | if (i <= 0) { |
423 | BIO_copy_next_retry(b); | |
424 | return ((ret == 0) ? i : ret); | |
425 | } | |
426 | OPENSSL_assert(i <= n); | |
427 | n -= i; | |
428 | ctx->buf_off += i; | |
429 | OPENSSL_assert(ctx->buf_off <= (int)sizeof(ctx->buf)); | |
430 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
431 | } | |
432 | ctx->buf_len = 0; | |
433 | ctx->buf_off = 0; | |
434 | } | |
26a7d938 | 435 | return ret; |
0f113f3e | 436 | } |
d02b48c6 | 437 | |
0e1c0612 | 438 | static long b64_ctrl(BIO *b, int cmd, long num, void *ptr) |
0f113f3e MC |
439 | { |
440 | BIO_B64_CTX *ctx; | |
441 | long ret = 1; | |
442 | int i; | |
a146ae55 | 443 | BIO *next; |
0f113f3e | 444 | |
a146ae55 MC |
445 | ctx = (BIO_B64_CTX *)BIO_get_data(b); |
446 | next = BIO_next(b); | |
447 | if ((ctx == NULL) || (next == NULL)) | |
448 | return 0; | |
0f113f3e MC |
449 | |
450 | switch (cmd) { | |
451 | case BIO_CTRL_RESET: | |
452 | ctx->cont = 1; | |
453 | ctx->start = 1; | |
454 | ctx->encode = B64_NONE; | |
a146ae55 | 455 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
456 | break; |
457 | case BIO_CTRL_EOF: /* More to read */ | |
458 | if (ctx->cont <= 0) | |
459 | ret = 1; | |
460 | else | |
a146ae55 | 461 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
462 | break; |
463 | case BIO_CTRL_WPENDING: /* More to write in buffer */ | |
464 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
465 | ret = ctx->buf_len - ctx->buf_off; | |
466 | if ((ret == 0) && (ctx->encode != B64_NONE) | |
b518d2d5 | 467 | && (EVP_ENCODE_CTX_num(ctx->base64) != 0)) |
0f113f3e MC |
468 | ret = 1; |
469 | else if (ret <= 0) | |
a146ae55 | 470 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
471 | break; |
472 | case BIO_CTRL_PENDING: /* More to read in buffer */ | |
473 | OPENSSL_assert(ctx->buf_len >= ctx->buf_off); | |
474 | ret = ctx->buf_len - ctx->buf_off; | |
475 | if (ret <= 0) | |
a146ae55 | 476 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
477 | break; |
478 | case BIO_CTRL_FLUSH: | |
479 | /* do a final write */ | |
480 | again: | |
481 | while (ctx->buf_len != ctx->buf_off) { | |
482 | i = b64_write(b, NULL, 0); | |
483 | if (i < 0) | |
484 | return i; | |
485 | } | |
486 | if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL) { | |
487 | if (ctx->tmp_len != 0) { | |
488 | ctx->buf_len = EVP_EncodeBlock((unsigned char *)ctx->buf, | |
489 | (unsigned char *)ctx->tmp, | |
490 | ctx->tmp_len); | |
491 | ctx->buf_off = 0; | |
492 | ctx->tmp_len = 0; | |
493 | goto again; | |
494 | } | |
b518d2d5 RL |
495 | } else if (ctx->encode != B64_NONE |
496 | && EVP_ENCODE_CTX_num(ctx->base64) != 0) { | |
0f113f3e | 497 | ctx->buf_off = 0; |
b518d2d5 | 498 | EVP_EncodeFinal(ctx->base64, |
0f113f3e MC |
499 | (unsigned char *)ctx->buf, &(ctx->buf_len)); |
500 | /* push out the bytes */ | |
501 | goto again; | |
502 | } | |
503 | /* Finally flush the underlying BIO */ | |
a146ae55 | 504 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
505 | break; |
506 | ||
507 | case BIO_C_DO_STATE_MACHINE: | |
508 | BIO_clear_retry_flags(b); | |
a146ae55 | 509 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
510 | BIO_copy_next_retry(b); |
511 | break; | |
512 | ||
513 | case BIO_CTRL_DUP: | |
514 | break; | |
515 | case BIO_CTRL_INFO: | |
516 | case BIO_CTRL_GET: | |
517 | case BIO_CTRL_SET: | |
518 | default: | |
a146ae55 | 519 | ret = BIO_ctrl(next, cmd, num, ptr); |
0f113f3e MC |
520 | break; |
521 | } | |
a146ae55 | 522 | return ret; |
0f113f3e | 523 | } |
d02b48c6 | 524 | |
13083215 | 525 | static long b64_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) |
0f113f3e MC |
526 | { |
527 | long ret = 1; | |
a146ae55 | 528 | BIO *next = BIO_next(b); |
0f113f3e | 529 | |
a146ae55 MC |
530 | if (next == NULL) |
531 | return 0; | |
0f113f3e MC |
532 | switch (cmd) { |
533 | default: | |
a146ae55 | 534 | ret = BIO_callback_ctrl(next, cmd, fp); |
0f113f3e MC |
535 | break; |
536 | } | |
26a7d938 | 537 | return ret; |
0f113f3e | 538 | } |
d3442bc7 | 539 | |
cb877ccb | 540 | static int b64_puts(BIO *b, const char *str) |
0f113f3e MC |
541 | { |
542 | return b64_write(b, str, strlen(str)); | |
543 | } |