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0f113f3e MC |
1 | /* |
2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
3 | * 2000. | |
a657546f DSH |
4 | */ |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
a657546f DSH |
14 | * |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
0baed24c | 60 | #include <string.h> |
b39fc560 | 61 | #include "internal/cryptlib.h" |
a657546f DSH |
62 | #include <openssl/crypto.h> |
63 | #include <openssl/x509.h> | |
64 | #include <openssl/asn1.h> | |
65 | ||
66 | #include "charmap.h" | |
67 | ||
0f113f3e MC |
68 | /* |
69 | * ASN1_STRING_print_ex() and X509_NAME_print_ex(). Enhanced string and name | |
70 | * printing routines handling multibyte characters, RFC2253 and a host of | |
71 | * other options. | |
a657546f DSH |
72 | */ |
73 | ||
0f113f3e | 74 | #define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253) |
a657546f | 75 | |
968062b7 | 76 | #define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \ |
0f113f3e MC |
77 | ASN1_STRFLGS_ESC_QUOTE | \ |
78 | ASN1_STRFLGS_ESC_CTRL | \ | |
79 | ASN1_STRFLGS_ESC_MSB) | |
a657546f | 80 | |
0f113f3e MC |
81 | /* |
82 | * Three IO functions for sending data to memory, a BIO and and a FILE | |
83 | * pointer. | |
a657546f | 84 | */ |
40889b9c | 85 | static int send_bio_chars(void *arg, const void *buf, int len) |
a657546f | 86 | { |
0f113f3e MC |
87 | if (!arg) |
88 | return 1; | |
89 | if (BIO_write(arg, buf, len) != len) | |
90 | return 0; | |
91 | return 1; | |
a657546f DSH |
92 | } |
93 | ||
984d6c60 | 94 | #ifndef OPENSSL_NO_STDIO |
40889b9c | 95 | static int send_fp_chars(void *arg, const void *buf, int len) |
a657546f | 96 | { |
0f113f3e MC |
97 | if (!arg) |
98 | return 1; | |
99 | if (fwrite(buf, 1, len, arg) != (unsigned int)len) | |
100 | return 0; | |
101 | return 1; | |
a657546f | 102 | } |
984d6c60 | 103 | #endif |
a657546f | 104 | |
0f113f3e | 105 | typedef int char_io (void *arg, const void *buf, int len); |
a657546f | 106 | |
0f113f3e MC |
107 | /* |
108 | * This function handles display of strings, one character at a time. It is | |
109 | * passed an unsigned long for each character because it could come from 2 or | |
110 | * even 4 byte forms. | |
a657546f DSH |
111 | */ |
112 | ||
0f113f3e MC |
113 | static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, |
114 | char_io *io_ch, void *arg) | |
a657546f | 115 | { |
0f113f3e MC |
116 | unsigned char chflgs, chtmp; |
117 | char tmphex[HEX_SIZE(long) + 3]; | |
118 | ||
119 | if (c > 0xffffffffL) | |
120 | return -1; | |
121 | if (c > 0xffff) { | |
122 | BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); | |
123 | if (!io_ch(arg, tmphex, 10)) | |
124 | return -1; | |
125 | return 10; | |
126 | } | |
127 | if (c > 0xff) { | |
128 | BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); | |
129 | if (!io_ch(arg, tmphex, 6)) | |
130 | return -1; | |
131 | return 6; | |
132 | } | |
133 | chtmp = (unsigned char)c; | |
134 | if (chtmp > 0x7f) | |
135 | chflgs = flags & ASN1_STRFLGS_ESC_MSB; | |
136 | else | |
137 | chflgs = char_type[chtmp] & flags; | |
138 | if (chflgs & CHARTYPE_BS_ESC) { | |
139 | /* If we don't escape with quotes, signal we need quotes */ | |
140 | if (chflgs & ASN1_STRFLGS_ESC_QUOTE) { | |
141 | if (do_quotes) | |
142 | *do_quotes = 1; | |
143 | if (!io_ch(arg, &chtmp, 1)) | |
144 | return -1; | |
145 | return 1; | |
146 | } | |
147 | if (!io_ch(arg, "\\", 1)) | |
148 | return -1; | |
149 | if (!io_ch(arg, &chtmp, 1)) | |
150 | return -1; | |
151 | return 2; | |
152 | } | |
153 | if (chflgs & (ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_ESC_MSB)) { | |
154 | BIO_snprintf(tmphex, 11, "\\%02X", chtmp); | |
155 | if (!io_ch(arg, tmphex, 3)) | |
156 | return -1; | |
157 | return 3; | |
158 | } | |
159 | /* | |
160 | * If we get this far and do any escaping at all must escape the escape | |
161 | * character itself: backslash. | |
162 | */ | |
163 | if (chtmp == '\\' && flags & ESC_FLAGS) { | |
164 | if (!io_ch(arg, "\\\\", 2)) | |
165 | return -1; | |
166 | return 2; | |
167 | } | |
168 | if (!io_ch(arg, &chtmp, 1)) | |
169 | return -1; | |
170 | return 1; | |
a657546f DSH |
171 | } |
172 | ||
0f113f3e MC |
173 | #define BUF_TYPE_WIDTH_MASK 0x7 |
174 | #define BUF_TYPE_CONVUTF8 0x8 | |
a657546f | 175 | |
0f113f3e MC |
176 | /* |
177 | * This function sends each character in a buffer to do_esc_char(). It | |
178 | * interprets the content formats and converts to or from UTF8 as | |
179 | * appropriate. | |
a657546f DSH |
180 | */ |
181 | ||
182 | static int do_buf(unsigned char *buf, int buflen, | |
0f113f3e MC |
183 | int type, unsigned char flags, char *quotes, char_io *io_ch, |
184 | void *arg) | |
a657546f | 185 | { |
0f113f3e MC |
186 | int i, outlen, len; |
187 | unsigned char orflags, *p, *q; | |
188 | unsigned long c; | |
189 | p = buf; | |
190 | q = buf + buflen; | |
191 | outlen = 0; | |
192 | while (p != q) { | |
193 | if (p == buf && flags & ASN1_STRFLGS_ESC_2253) | |
194 | orflags = CHARTYPE_FIRST_ESC_2253; | |
195 | else | |
196 | orflags = 0; | |
197 | switch (type & BUF_TYPE_WIDTH_MASK) { | |
198 | case 4: | |
199 | c = ((unsigned long)*p++) << 24; | |
200 | c |= ((unsigned long)*p++) << 16; | |
201 | c |= ((unsigned long)*p++) << 8; | |
202 | c |= *p++; | |
203 | break; | |
204 | ||
205 | case 2: | |
206 | c = ((unsigned long)*p++) << 8; | |
207 | c |= *p++; | |
208 | break; | |
209 | ||
210 | case 1: | |
211 | c = *p++; | |
212 | break; | |
213 | ||
214 | case 0: | |
215 | i = UTF8_getc(p, buflen, &c); | |
216 | if (i < 0) | |
217 | return -1; /* Invalid UTF8String */ | |
218 | p += i; | |
219 | break; | |
220 | default: | |
221 | return -1; /* invalid width */ | |
222 | } | |
223 | if (p == q && flags & ASN1_STRFLGS_ESC_2253) | |
224 | orflags = CHARTYPE_LAST_ESC_2253; | |
225 | if (type & BUF_TYPE_CONVUTF8) { | |
226 | unsigned char utfbuf[6]; | |
227 | int utflen; | |
228 | utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); | |
229 | for (i = 0; i < utflen; i++) { | |
230 | /* | |
231 | * We don't need to worry about setting orflags correctly | |
232 | * because if utflen==1 its value will be correct anyway | |
233 | * otherwise each character will be > 0x7f and so the | |
234 | * character will never be escaped on first and last. | |
235 | */ | |
236 | len = | |
237 | do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), | |
238 | quotes, io_ch, arg); | |
239 | if (len < 0) | |
240 | return -1; | |
241 | outlen += len; | |
242 | } | |
243 | } else { | |
244 | len = | |
245 | do_esc_char(c, (unsigned char)(flags | orflags), quotes, | |
246 | io_ch, arg); | |
247 | if (len < 0) | |
248 | return -1; | |
249 | outlen += len; | |
250 | } | |
251 | } | |
252 | return outlen; | |
a657546f DSH |
253 | } |
254 | ||
255 | /* This function hex dumps a buffer of characters */ | |
256 | ||
0f113f3e MC |
257 | static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, |
258 | int buflen) | |
a657546f | 259 | { |
0f113f3e MC |
260 | static const char hexdig[] = "0123456789ABCDEF"; |
261 | unsigned char *p, *q; | |
262 | char hextmp[2]; | |
263 | if (arg) { | |
264 | p = buf; | |
265 | q = buf + buflen; | |
266 | while (p != q) { | |
267 | hextmp[0] = hexdig[*p >> 4]; | |
268 | hextmp[1] = hexdig[*p & 0xf]; | |
269 | if (!io_ch(arg, hextmp, 2)) | |
270 | return -1; | |
271 | p++; | |
272 | } | |
273 | } | |
274 | return buflen << 1; | |
a657546f DSH |
275 | } |
276 | ||
0f113f3e MC |
277 | /* |
278 | * "dump" a string. This is done when the type is unknown, or the flags | |
279 | * request it. We can either dump the content octets or the entire DER | |
280 | * encoding. This uses the RFC2253 #01234 format. | |
a657546f DSH |
281 | */ |
282 | ||
0f113f3e MC |
283 | static int do_dump(unsigned long lflags, char_io *io_ch, void *arg, |
284 | ASN1_STRING *str) | |
a657546f | 285 | { |
0f113f3e MC |
286 | /* |
287 | * Placing the ASN1_STRING in a temp ASN1_TYPE allows the DER encoding to | |
288 | * readily obtained | |
289 | */ | |
290 | ASN1_TYPE t; | |
291 | unsigned char *der_buf, *p; | |
292 | int outlen, der_len; | |
293 | ||
294 | if (!io_ch(arg, "#", 1)) | |
295 | return -1; | |
296 | /* If we don't dump DER encoding just dump content octets */ | |
297 | if (!(lflags & ASN1_STRFLGS_DUMP_DER)) { | |
298 | outlen = do_hex_dump(io_ch, arg, str->data, str->length); | |
299 | if (outlen < 0) | |
300 | return -1; | |
301 | return outlen + 1; | |
302 | } | |
303 | t.type = str->type; | |
304 | t.value.ptr = (char *)str; | |
305 | der_len = i2d_ASN1_TYPE(&t, NULL); | |
306 | der_buf = OPENSSL_malloc(der_len); | |
90945fa3 | 307 | if (der_buf == NULL) |
0f113f3e MC |
308 | return -1; |
309 | p = der_buf; | |
310 | i2d_ASN1_TYPE(&t, &p); | |
311 | outlen = do_hex_dump(io_ch, arg, der_buf, der_len); | |
312 | OPENSSL_free(der_buf); | |
313 | if (outlen < 0) | |
314 | return -1; | |
315 | return outlen + 1; | |
a657546f DSH |
316 | } |
317 | ||
0f113f3e MC |
318 | /* |
319 | * Lookup table to convert tags to character widths, 0 = UTF8 encoded, -1 is | |
320 | * used for non string types otherwise it is the number of bytes per | |
321 | * character | |
a657546f DSH |
322 | */ |
323 | ||
8215e7a9 | 324 | static const signed char tag2nbyte[] = { |
0f113f3e MC |
325 | -1, -1, -1, -1, -1, /* 0-4 */ |
326 | -1, -1, -1, -1, -1, /* 5-9 */ | |
327 | -1, -1, 0, -1, /* 10-13 */ | |
328 | -1, -1, -1, -1, /* 15-17 */ | |
329 | -1, 1, 1, /* 18-20 */ | |
330 | -1, 1, 1, 1, /* 21-24 */ | |
331 | -1, 1, -1, /* 25-27 */ | |
332 | 4, -1, 2 /* 28-30 */ | |
a657546f DSH |
333 | }; |
334 | ||
0f113f3e MC |
335 | /* |
336 | * This is the main function, print out an ASN1_STRING taking note of various | |
337 | * escape and display options. Returns number of characters written or -1 if | |
338 | * an error occurred. | |
a657546f DSH |
339 | */ |
340 | ||
0f113f3e MC |
341 | static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, |
342 | ASN1_STRING *str) | |
a657546f | 343 | { |
0f113f3e MC |
344 | int outlen, len; |
345 | int type; | |
346 | char quotes; | |
347 | unsigned char flags; | |
348 | quotes = 0; | |
349 | /* Keep a copy of escape flags */ | |
350 | flags = (unsigned char)(lflags & ESC_FLAGS); | |
351 | ||
352 | type = str->type; | |
353 | ||
354 | outlen = 0; | |
355 | ||
356 | if (lflags & ASN1_STRFLGS_SHOW_TYPE) { | |
357 | const char *tagname; | |
358 | tagname = ASN1_tag2str(type); | |
359 | outlen += strlen(tagname); | |
360 | if (!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) | |
361 | return -1; | |
362 | outlen++; | |
363 | } | |
364 | ||
365 | /* Decide what to do with type, either dump content or display it */ | |
366 | ||
367 | /* Dump everything */ | |
368 | if (lflags & ASN1_STRFLGS_DUMP_ALL) | |
369 | type = -1; | |
370 | /* Ignore the string type */ | |
371 | else if (lflags & ASN1_STRFLGS_IGNORE_TYPE) | |
372 | type = 1; | |
373 | else { | |
374 | /* Else determine width based on type */ | |
375 | if ((type > 0) && (type < 31)) | |
376 | type = tag2nbyte[type]; | |
377 | else | |
378 | type = -1; | |
379 | if ((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) | |
380 | type = 1; | |
381 | } | |
382 | ||
383 | if (type == -1) { | |
384 | len = do_dump(lflags, io_ch, arg, str); | |
385 | if (len < 0) | |
386 | return -1; | |
387 | outlen += len; | |
388 | return outlen; | |
389 | } | |
390 | ||
391 | if (lflags & ASN1_STRFLGS_UTF8_CONVERT) { | |
392 | /* | |
393 | * Note: if string is UTF8 and we want to convert to UTF8 then we | |
394 | * just interpret it as 1 byte per character to avoid converting | |
395 | * twice. | |
396 | */ | |
397 | if (!type) | |
398 | type = 1; | |
399 | else | |
400 | type |= BUF_TYPE_CONVUTF8; | |
401 | } | |
402 | ||
403 | len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); | |
404 | if (len < 0) | |
405 | return -1; | |
406 | outlen += len; | |
407 | if (quotes) | |
408 | outlen += 2; | |
409 | if (!arg) | |
410 | return outlen; | |
411 | if (quotes && !io_ch(arg, "\"", 1)) | |
412 | return -1; | |
413 | if (do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) | |
414 | return -1; | |
415 | if (quotes && !io_ch(arg, "\"", 1)) | |
416 | return -1; | |
417 | return outlen; | |
a657546f DSH |
418 | } |
419 | ||
420 | /* Used for line indenting: print 'indent' spaces */ | |
421 | ||
422 | static int do_indent(char_io *io_ch, void *arg, int indent) | |
423 | { | |
0f113f3e MC |
424 | int i; |
425 | for (i = 0; i < indent; i++) | |
426 | if (!io_ch(arg, " ", 1)) | |
427 | return 0; | |
428 | return 1; | |
a657546f DSH |
429 | } |
430 | ||
0f113f3e MC |
431 | #define FN_WIDTH_LN 25 |
432 | #define FN_WIDTH_SN 10 | |
a657546f DSH |
433 | |
434 | static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, | |
0f113f3e | 435 | int indent, unsigned long flags) |
a657546f | 436 | { |
0f113f3e MC |
437 | int i, prev = -1, orflags, cnt; |
438 | int fn_opt, fn_nid; | |
439 | ASN1_OBJECT *fn; | |
440 | ASN1_STRING *val; | |
441 | X509_NAME_ENTRY *ent; | |
442 | char objtmp[80]; | |
443 | const char *objbuf; | |
444 | int outlen, len; | |
445 | char *sep_dn, *sep_mv, *sep_eq; | |
446 | int sep_dn_len, sep_mv_len, sep_eq_len; | |
447 | if (indent < 0) | |
448 | indent = 0; | |
449 | outlen = indent; | |
450 | if (!do_indent(io_ch, arg, indent)) | |
451 | return -1; | |
452 | switch (flags & XN_FLAG_SEP_MASK) { | |
453 | case XN_FLAG_SEP_MULTILINE: | |
454 | sep_dn = "\n"; | |
455 | sep_dn_len = 1; | |
456 | sep_mv = " + "; | |
457 | sep_mv_len = 3; | |
458 | break; | |
459 | ||
460 | case XN_FLAG_SEP_COMMA_PLUS: | |
461 | sep_dn = ","; | |
462 | sep_dn_len = 1; | |
463 | sep_mv = "+"; | |
464 | sep_mv_len = 1; | |
465 | indent = 0; | |
466 | break; | |
467 | ||
468 | case XN_FLAG_SEP_CPLUS_SPC: | |
469 | sep_dn = ", "; | |
470 | sep_dn_len = 2; | |
471 | sep_mv = " + "; | |
472 | sep_mv_len = 3; | |
473 | indent = 0; | |
474 | break; | |
475 | ||
476 | case XN_FLAG_SEP_SPLUS_SPC: | |
477 | sep_dn = "; "; | |
478 | sep_dn_len = 2; | |
479 | sep_mv = " + "; | |
480 | sep_mv_len = 3; | |
481 | indent = 0; | |
482 | break; | |
483 | ||
484 | default: | |
485 | return -1; | |
486 | } | |
487 | ||
488 | if (flags & XN_FLAG_SPC_EQ) { | |
489 | sep_eq = " = "; | |
490 | sep_eq_len = 3; | |
491 | } else { | |
492 | sep_eq = "="; | |
493 | sep_eq_len = 1; | |
494 | } | |
495 | ||
496 | fn_opt = flags & XN_FLAG_FN_MASK; | |
497 | ||
498 | cnt = X509_NAME_entry_count(n); | |
499 | for (i = 0; i < cnt; i++) { | |
500 | if (flags & XN_FLAG_DN_REV) | |
501 | ent = X509_NAME_get_entry(n, cnt - i - 1); | |
502 | else | |
503 | ent = X509_NAME_get_entry(n, i); | |
504 | if (prev != -1) { | |
2743e38c | 505 | if (prev == X509_NAME_ENTRY_set(ent)) { |
0f113f3e MC |
506 | if (!io_ch(arg, sep_mv, sep_mv_len)) |
507 | return -1; | |
508 | outlen += sep_mv_len; | |
509 | } else { | |
510 | if (!io_ch(arg, sep_dn, sep_dn_len)) | |
511 | return -1; | |
512 | outlen += sep_dn_len; | |
513 | if (!do_indent(io_ch, arg, indent)) | |
514 | return -1; | |
515 | outlen += indent; | |
516 | } | |
517 | } | |
2743e38c | 518 | prev = X509_NAME_ENTRY_set(ent); |
0f113f3e MC |
519 | fn = X509_NAME_ENTRY_get_object(ent); |
520 | val = X509_NAME_ENTRY_get_data(ent); | |
521 | fn_nid = OBJ_obj2nid(fn); | |
522 | if (fn_opt != XN_FLAG_FN_NONE) { | |
523 | int objlen, fld_len; | |
524 | if ((fn_opt == XN_FLAG_FN_OID) || (fn_nid == NID_undef)) { | |
525 | OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1); | |
526 | fld_len = 0; /* XXX: what should this be? */ | |
527 | objbuf = objtmp; | |
528 | } else { | |
529 | if (fn_opt == XN_FLAG_FN_SN) { | |
530 | fld_len = FN_WIDTH_SN; | |
531 | objbuf = OBJ_nid2sn(fn_nid); | |
532 | } else if (fn_opt == XN_FLAG_FN_LN) { | |
533 | fld_len = FN_WIDTH_LN; | |
534 | objbuf = OBJ_nid2ln(fn_nid); | |
535 | } else { | |
536 | fld_len = 0; /* XXX: what should this be? */ | |
537 | objbuf = ""; | |
538 | } | |
539 | } | |
540 | objlen = strlen(objbuf); | |
541 | if (!io_ch(arg, objbuf, objlen)) | |
542 | return -1; | |
543 | if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { | |
544 | if (!do_indent(io_ch, arg, fld_len - objlen)) | |
545 | return -1; | |
546 | outlen += fld_len - objlen; | |
547 | } | |
548 | if (!io_ch(arg, sep_eq, sep_eq_len)) | |
549 | return -1; | |
550 | outlen += objlen + sep_eq_len; | |
551 | } | |
552 | /* | |
553 | * If the field name is unknown then fix up the DER dump flag. We | |
554 | * might want to limit this further so it will DER dump on anything | |
555 | * other than a few 'standard' fields. | |
556 | */ | |
557 | if ((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) | |
558 | orflags = ASN1_STRFLGS_DUMP_ALL; | |
559 | else | |
560 | orflags = 0; | |
561 | ||
562 | len = do_print_ex(io_ch, arg, flags | orflags, val); | |
563 | if (len < 0) | |
564 | return -1; | |
565 | outlen += len; | |
566 | } | |
567 | return outlen; | |
a657546f DSH |
568 | } |
569 | ||
570 | /* Wrappers round the main functions */ | |
571 | ||
0f113f3e MC |
572 | int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, |
573 | unsigned long flags) | |
a657546f | 574 | { |
0f113f3e MC |
575 | if (flags == XN_FLAG_COMPAT) |
576 | return X509_NAME_print(out, nm, indent); | |
577 | return do_name_ex(send_bio_chars, out, nm, indent, flags); | |
a657546f DSH |
578 | } |
579 | ||
4b618848 | 580 | #ifndef OPENSSL_NO_STDIO |
0f113f3e MC |
581 | int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, |
582 | unsigned long flags) | |
a657546f | 583 | { |
0f113f3e MC |
584 | if (flags == XN_FLAG_COMPAT) { |
585 | BIO *btmp; | |
586 | int ret; | |
587 | btmp = BIO_new_fp(fp, BIO_NOCLOSE); | |
588 | if (!btmp) | |
589 | return -1; | |
590 | ret = X509_NAME_print(btmp, nm, indent); | |
591 | BIO_free(btmp); | |
592 | return ret; | |
593 | } | |
594 | return do_name_ex(send_fp_chars, fp, nm, indent, flags); | |
a657546f | 595 | } |
25a66ee3 | 596 | #endif |
a657546f DSH |
597 | |
598 | int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) | |
599 | { | |
0f113f3e | 600 | return do_print_ex(send_bio_chars, out, flags, str); |
a657546f DSH |
601 | } |
602 | ||
4b618848 | 603 | #ifndef OPENSSL_NO_STDIO |
a657546f DSH |
604 | int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) |
605 | { | |
0f113f3e | 606 | return do_print_ex(send_fp_chars, fp, flags, str); |
a657546f | 607 | } |
25a66ee3 | 608 | #endif |
d428bf8c | 609 | |
0f113f3e MC |
610 | /* |
611 | * Utility function: convert any string type to UTF8, returns number of bytes | |
d428bf8c DSH |
612 | * in output string or a negative error code |
613 | */ | |
614 | ||
615 | int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) | |
616 | { | |
0f113f3e MC |
617 | ASN1_STRING stmp, *str = &stmp; |
618 | int mbflag, type, ret; | |
619 | if (!in) | |
620 | return -1; | |
621 | type = in->type; | |
622 | if ((type < 0) || (type > 30)) | |
623 | return -1; | |
624 | mbflag = tag2nbyte[type]; | |
625 | if (mbflag == -1) | |
626 | return -1; | |
627 | mbflag |= MBSTRING_FLAG; | |
628 | stmp.data = NULL; | |
629 | stmp.length = 0; | |
630 | stmp.flags = 0; | |
631 | ret = | |
632 | ASN1_mbstring_copy(&str, in->data, in->length, mbflag, | |
633 | B_ASN1_UTF8STRING); | |
634 | if (ret < 0) | |
635 | return ret; | |
636 | *out = stmp.data; | |
637 | return stmp.length; | |
d428bf8c | 638 | } |