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a657546f | 1 | /* a_strex.c */ |
2e597528 | 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
a657546f DSH |
3 | * project 2000. |
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 | |
13 | * notice, this list of conditions and the following disclaimer. | |
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> |
25a66ee3 | 61 | #include "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 | ||
68 | /* ASN1_STRING_print_ex() and X509_NAME_print_ex(). | |
69 | * Enhanced string and name printing routines handling | |
70 | * multibyte characters, RFC2253 and a host of other | |
71 | * options. | |
72 | */ | |
73 | ||
74 | ||
75 | #define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253) | |
76 | ||
77 | ||
78 | /* Three IO functions for sending data to memory, a BIO and | |
79 | * and a FILE pointer. | |
80 | */ | |
40889b9c LJ |
81 | #if 0 /* never used */ |
82 | static int send_mem_chars(void *arg, const void *buf, int len) | |
a657546f DSH |
83 | { |
84 | unsigned char **out = arg; | |
85 | if(!out) return 1; | |
86 | memcpy(*out, buf, len); | |
87 | *out += len; | |
88 | return 1; | |
89 | } | |
40889b9c | 90 | #endif |
a657546f | 91 | |
40889b9c | 92 | static int send_bio_chars(void *arg, const void *buf, int len) |
a657546f DSH |
93 | { |
94 | if(!arg) return 1; | |
95 | if(BIO_write(arg, buf, len) != len) return 0; | |
96 | return 1; | |
97 | } | |
98 | ||
40889b9c | 99 | static int send_fp_chars(void *arg, const void *buf, int len) |
a657546f DSH |
100 | { |
101 | if(!arg) return 1; | |
469938cb | 102 | if(fwrite(buf, 1, len, arg) != (unsigned int)len) return 0; |
a657546f DSH |
103 | return 1; |
104 | } | |
105 | ||
106 | typedef int char_io(void *arg, const void *buf, int len); | |
107 | ||
108 | /* This function handles display of | |
109 | * strings, one character at a time. | |
110 | * It is passed an unsigned long for each | |
111 | * character because it could come from 2 or even | |
112 | * 4 byte forms. | |
113 | */ | |
114 | ||
115 | static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, char_io *io_ch, void *arg) | |
116 | { | |
117 | unsigned char chflgs, chtmp; | |
54a656ef BL |
118 | char tmphex[HEX_SIZE(long)+3]; |
119 | ||
120 | if(c > 0xffffffffL) | |
121 | return -1; | |
a657546f | 122 | if(c > 0xffff) { |
54a656ef | 123 | BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); |
a657546f DSH |
124 | if(!io_ch(arg, tmphex, 10)) return -1; |
125 | return 10; | |
126 | } | |
127 | if(c > 0xff) { | |
54a656ef | 128 | BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); |
a657546f DSH |
129 | if(!io_ch(arg, tmphex, 6)) return -1; |
130 | return 6; | |
131 | } | |
469938cb | 132 | chtmp = (unsigned char)c; |
a657546f DSH |
133 | if(chtmp > 0x7f) chflgs = flags & ASN1_STRFLGS_ESC_MSB; |
134 | else chflgs = char_type[chtmp] & flags; | |
135 | if(chflgs & CHARTYPE_BS_ESC) { | |
136 | /* If we don't escape with quotes, signal we need quotes */ | |
137 | if(chflgs & ASN1_STRFLGS_ESC_QUOTE) { | |
138 | if(do_quotes) *do_quotes = 1; | |
139 | if(!io_ch(arg, &chtmp, 1)) return -1; | |
140 | return 1; | |
141 | } | |
142 | if(!io_ch(arg, "\\", 1)) return -1; | |
143 | if(!io_ch(arg, &chtmp, 1)) return -1; | |
144 | return 2; | |
145 | } | |
146 | if(chflgs & (ASN1_STRFLGS_ESC_CTRL|ASN1_STRFLGS_ESC_MSB)) { | |
147 | BIO_snprintf(tmphex, 11, "\\%02X", chtmp); | |
148 | if(!io_ch(arg, tmphex, 3)) return -1; | |
149 | return 3; | |
150 | } | |
151 | if(!io_ch(arg, &chtmp, 1)) return -1; | |
152 | return 1; | |
153 | } | |
154 | ||
155 | #define BUF_TYPE_WIDTH_MASK 0x7 | |
156 | #define BUF_TYPE_CONVUTF8 0x8 | |
157 | ||
158 | /* This function sends each character in a buffer to | |
159 | * do_esc_char(). It interprets the content formats | |
160 | * and converts to or from UTF8 as appropriate. | |
161 | */ | |
162 | ||
163 | static int do_buf(unsigned char *buf, int buflen, | |
164 | int type, unsigned char flags, char *quotes, char_io *io_ch, void *arg) | |
165 | { | |
166 | int i, outlen, len; | |
167 | unsigned char orflags, *p, *q; | |
168 | unsigned long c; | |
169 | p = buf; | |
170 | q = buf + buflen; | |
171 | outlen = 0; | |
172 | while(p != q) { | |
0636c39b | 173 | if(p == buf && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_FIRST_ESC_2253; |
a657546f DSH |
174 | else orflags = 0; |
175 | switch(type & BUF_TYPE_WIDTH_MASK) { | |
176 | case 4: | |
177 | c = ((unsigned long)*p++) << 24; | |
178 | c |= ((unsigned long)*p++) << 16; | |
179 | c |= ((unsigned long)*p++) << 8; | |
180 | c |= *p++; | |
181 | break; | |
182 | ||
183 | case 2: | |
184 | c = ((unsigned long)*p++) << 8; | |
185 | c |= *p++; | |
186 | break; | |
187 | ||
188 | case 1: | |
189 | c = *p++; | |
190 | break; | |
191 | ||
192 | case 0: | |
193 | i = UTF8_getc(p, buflen, &c); | |
194 | if(i < 0) return -1; /* Invalid UTF8String */ | |
195 | p += i; | |
196 | break; | |
8c5a2bd6 NL |
197 | default: |
198 | return -1; /* invalid width */ | |
a657546f | 199 | } |
0636c39b | 200 | if (p == q && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_LAST_ESC_2253; |
a657546f DSH |
201 | if(type & BUF_TYPE_CONVUTF8) { |
202 | unsigned char utfbuf[6]; | |
203 | int utflen; | |
54a656ef | 204 | utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); |
a657546f DSH |
205 | for(i = 0; i < utflen; i++) { |
206 | /* We don't need to worry about setting orflags correctly | |
207 | * because if utflen==1 its value will be correct anyway | |
208 | * otherwise each character will be > 0x7f and so the | |
209 | * character will never be escaped on first and last. | |
210 | */ | |
469938cb | 211 | len = do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), quotes, io_ch, arg); |
a657546f DSH |
212 | if(len < 0) return -1; |
213 | outlen += len; | |
214 | } | |
215 | } else { | |
469938cb | 216 | len = do_esc_char(c, (unsigned char)(flags | orflags), quotes, io_ch, arg); |
a657546f DSH |
217 | if(len < 0) return -1; |
218 | outlen += len; | |
219 | } | |
220 | } | |
221 | return outlen; | |
222 | } | |
223 | ||
224 | /* This function hex dumps a buffer of characters */ | |
225 | ||
226 | static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, int buflen) | |
227 | { | |
8215e7a9 | 228 | static const char hexdig[] = "0123456789ABCDEF"; |
a657546f DSH |
229 | unsigned char *p, *q; |
230 | char hextmp[2]; | |
231 | if(arg) { | |
232 | p = buf; | |
233 | q = buf + buflen; | |
234 | while(p != q) { | |
235 | hextmp[0] = hexdig[*p >> 4]; | |
236 | hextmp[1] = hexdig[*p & 0xf]; | |
237 | if(!io_ch(arg, hextmp, 2)) return -1; | |
238 | p++; | |
239 | } | |
240 | } | |
241 | return buflen << 1; | |
242 | } | |
243 | ||
244 | /* "dump" a string. This is done when the type is unknown, | |
245 | * or the flags request it. We can either dump the content | |
246 | * octets or the entire DER encoding. This uses the RFC2253 | |
247 | * #01234 format. | |
248 | */ | |
249 | ||
40889b9c | 250 | static int do_dump(unsigned long lflags, char_io *io_ch, void *arg, ASN1_STRING *str) |
a657546f DSH |
251 | { |
252 | /* Placing the ASN1_STRING in a temp ASN1_TYPE allows | |
253 | * the DER encoding to readily obtained | |
254 | */ | |
255 | ASN1_TYPE t; | |
256 | unsigned char *der_buf, *p; | |
257 | int outlen, der_len; | |
258 | ||
259 | if(!io_ch(arg, "#", 1)) return -1; | |
260 | /* If we don't dump DER encoding just dump content octets */ | |
261 | if(!(lflags & ASN1_STRFLGS_DUMP_DER)) { | |
262 | outlen = do_hex_dump(io_ch, arg, str->data, str->length); | |
263 | if(outlen < 0) return -1; | |
264 | return outlen + 1; | |
265 | } | |
266 | t.type = str->type; | |
267 | t.value.ptr = (char *)str; | |
268 | der_len = i2d_ASN1_TYPE(&t, NULL); | |
269 | der_buf = OPENSSL_malloc(der_len); | |
270 | if(!der_buf) return -1; | |
271 | p = der_buf; | |
272 | i2d_ASN1_TYPE(&t, &p); | |
273 | outlen = do_hex_dump(io_ch, arg, der_buf, der_len); | |
274 | OPENSSL_free(der_buf); | |
275 | if(outlen < 0) return -1; | |
276 | return outlen + 1; | |
277 | } | |
278 | ||
279 | /* Lookup table to convert tags to character widths, | |
280 | * 0 = UTF8 encoded, -1 is used for non string types | |
281 | * otherwise it is the number of bytes per character | |
282 | */ | |
283 | ||
8215e7a9 | 284 | static const signed char tag2nbyte[] = { |
a657546f DSH |
285 | -1, -1, -1, -1, -1, /* 0-4 */ |
286 | -1, -1, -1, -1, -1, /* 5-9 */ | |
287 | -1, -1, 0, -1, /* 10-13 */ | |
288 | -1, -1, -1, -1, /* 15-17 */ | |
289 | -1, 1, 1, /* 18-20 */ | |
cd2e8a6f | 290 | -1, 1, 1, 1, /* 21-24 */ |
a657546f DSH |
291 | -1, 1, -1, /* 25-27 */ |
292 | 4, -1, 2 /* 28-30 */ | |
293 | }; | |
294 | ||
295 | #define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \ | |
296 | ASN1_STRFLGS_ESC_QUOTE | \ | |
297 | ASN1_STRFLGS_ESC_CTRL | \ | |
298 | ASN1_STRFLGS_ESC_MSB) | |
299 | ||
300 | /* This is the main function, print out an | |
301 | * ASN1_STRING taking note of various escape | |
302 | * and display options. Returns number of | |
303 | * characters written or -1 if an error | |
304 | * occurred. | |
305 | */ | |
306 | ||
307 | static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, ASN1_STRING *str) | |
308 | { | |
309 | int outlen, len; | |
310 | int type; | |
311 | char quotes; | |
312 | unsigned char flags; | |
313 | quotes = 0; | |
314 | /* Keep a copy of escape flags */ | |
469938cb | 315 | flags = (unsigned char)(lflags & ESC_FLAGS); |
a657546f DSH |
316 | |
317 | type = str->type; | |
318 | ||
319 | outlen = 0; | |
320 | ||
321 | ||
bd4e1527 | 322 | if(lflags & ASN1_STRFLGS_SHOW_TYPE) { |
a657546f DSH |
323 | const char *tagname; |
324 | tagname = ASN1_tag2str(type); | |
325 | outlen += strlen(tagname); | |
326 | if(!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) return -1; | |
327 | outlen++; | |
328 | } | |
329 | ||
330 | /* Decide what to do with type, either dump content or display it */ | |
331 | ||
332 | /* Dump everything */ | |
333 | if(lflags & ASN1_STRFLGS_DUMP_ALL) type = -1; | |
334 | /* Ignore the string type */ | |
335 | else if(lflags & ASN1_STRFLGS_IGNORE_TYPE) type = 1; | |
336 | else { | |
337 | /* Else determine width based on type */ | |
338 | if((type > 0) && (type < 31)) type = tag2nbyte[type]; | |
339 | else type = -1; | |
340 | if((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) type = 1; | |
341 | } | |
342 | ||
343 | if(type == -1) { | |
344 | len = do_dump(lflags, io_ch, arg, str); | |
345 | if(len < 0) return -1; | |
346 | outlen += len; | |
347 | return outlen; | |
348 | } | |
349 | ||
350 | if(lflags & ASN1_STRFLGS_UTF8_CONVERT) { | |
351 | /* Note: if string is UTF8 and we want | |
352 | * to convert to UTF8 then we just interpret | |
353 | * it as 1 byte per character to avoid converting | |
354 | * twice. | |
355 | */ | |
356 | if(!type) type = 1; | |
357 | else type |= BUF_TYPE_CONVUTF8; | |
358 | } | |
359 | ||
360 | len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); | |
8c5a2bd6 | 361 | if(len < 0) return -1; |
a657546f DSH |
362 | outlen += len; |
363 | if(quotes) outlen += 2; | |
364 | if(!arg) return outlen; | |
365 | if(quotes && !io_ch(arg, "\"", 1)) return -1; | |
8c5a2bd6 NL |
366 | if(do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) |
367 | return -1; | |
a657546f DSH |
368 | if(quotes && !io_ch(arg, "\"", 1)) return -1; |
369 | return outlen; | |
370 | } | |
371 | ||
372 | /* Used for line indenting: print 'indent' spaces */ | |
373 | ||
374 | static int do_indent(char_io *io_ch, void *arg, int indent) | |
375 | { | |
376 | int i; | |
377 | for(i = 0; i < indent; i++) | |
378 | if(!io_ch(arg, " ", 1)) return 0; | |
379 | return 1; | |
380 | } | |
381 | ||
535d79da DSH |
382 | #define FN_WIDTH_LN 25 |
383 | #define FN_WIDTH_SN 10 | |
a657546f DSH |
384 | |
385 | static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, | |
386 | int indent, unsigned long flags) | |
387 | { | |
388 | int i, prev = -1, orflags, cnt; | |
389 | int fn_opt, fn_nid; | |
390 | ASN1_OBJECT *fn; | |
391 | ASN1_STRING *val; | |
392 | X509_NAME_ENTRY *ent; | |
393 | char objtmp[80]; | |
394 | const char *objbuf; | |
395 | int outlen, len; | |
396 | char *sep_dn, *sep_mv, *sep_eq; | |
397 | int sep_dn_len, sep_mv_len, sep_eq_len; | |
398 | if(indent < 0) indent = 0; | |
399 | outlen = indent; | |
400 | if(!do_indent(io_ch, arg, indent)) return -1; | |
401 | switch (flags & XN_FLAG_SEP_MASK) | |
402 | { | |
403 | case XN_FLAG_SEP_MULTILINE: | |
404 | sep_dn = "\n"; | |
405 | sep_dn_len = 1; | |
bd4e1527 DSH |
406 | sep_mv = " + "; |
407 | sep_mv_len = 3; | |
a657546f DSH |
408 | break; |
409 | ||
410 | case XN_FLAG_SEP_COMMA_PLUS: | |
411 | sep_dn = ","; | |
412 | sep_dn_len = 1; | |
413 | sep_mv = "+"; | |
414 | sep_mv_len = 1; | |
415 | indent = 0; | |
416 | break; | |
417 | ||
418 | case XN_FLAG_SEP_CPLUS_SPC: | |
419 | sep_dn = ", "; | |
420 | sep_dn_len = 2; | |
421 | sep_mv = " + "; | |
422 | sep_mv_len = 3; | |
423 | indent = 0; | |
424 | break; | |
425 | ||
426 | case XN_FLAG_SEP_SPLUS_SPC: | |
427 | sep_dn = "; "; | |
428 | sep_dn_len = 2; | |
429 | sep_mv = " + "; | |
430 | sep_mv_len = 3; | |
431 | indent = 0; | |
432 | break; | |
433 | ||
434 | default: | |
435 | return -1; | |
436 | } | |
437 | ||
438 | if(flags & XN_FLAG_SPC_EQ) { | |
439 | sep_eq = " = "; | |
440 | sep_eq_len = 3; | |
441 | } else { | |
442 | sep_eq = "="; | |
443 | sep_eq_len = 1; | |
444 | } | |
445 | ||
446 | fn_opt = flags & XN_FLAG_FN_MASK; | |
447 | ||
448 | cnt = X509_NAME_entry_count(n); | |
449 | for(i = 0; i < cnt; i++) { | |
450 | if(flags & XN_FLAG_DN_REV) | |
451 | ent = X509_NAME_get_entry(n, cnt - i - 1); | |
452 | else ent = X509_NAME_get_entry(n, i); | |
453 | if(prev != -1) { | |
454 | if(prev == ent->set) { | |
455 | if(!io_ch(arg, sep_mv, sep_mv_len)) return -1; | |
456 | outlen += sep_mv_len; | |
457 | } else { | |
458 | if(!io_ch(arg, sep_dn, sep_dn_len)) return -1; | |
459 | outlen += sep_dn_len; | |
bd4e1527 DSH |
460 | if(!do_indent(io_ch, arg, indent)) return -1; |
461 | outlen += indent; | |
a657546f | 462 | } |
a657546f DSH |
463 | } |
464 | prev = ent->set; | |
465 | fn = X509_NAME_ENTRY_get_object(ent); | |
466 | val = X509_NAME_ENTRY_get_data(ent); | |
467 | fn_nid = OBJ_obj2nid(fn); | |
468 | if(fn_opt != XN_FLAG_FN_NONE) { | |
535d79da | 469 | int objlen, fld_len; |
a657546f | 470 | if((fn_opt == XN_FLAG_FN_OID) || (fn_nid==NID_undef) ) { |
54a656ef | 471 | OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1); |
4f19a067 | 472 | fld_len = 0; /* XXX: what should this be? */ |
a657546f DSH |
473 | objbuf = objtmp; |
474 | } else { | |
535d79da DSH |
475 | if(fn_opt == XN_FLAG_FN_SN) { |
476 | fld_len = FN_WIDTH_SN; | |
a657546f | 477 | objbuf = OBJ_nid2sn(fn_nid); |
535d79da DSH |
478 | } else if(fn_opt == XN_FLAG_FN_LN) { |
479 | fld_len = FN_WIDTH_LN; | |
a657546f | 480 | objbuf = OBJ_nid2ln(fn_nid); |
4f19a067 BL |
481 | } else { |
482 | fld_len = 0; /* XXX: what should this be? */ | |
483 | objbuf = ""; | |
484 | } | |
a657546f DSH |
485 | } |
486 | objlen = strlen(objbuf); | |
487 | if(!io_ch(arg, objbuf, objlen)) return -1; | |
535d79da DSH |
488 | if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { |
489 | if (!do_indent(io_ch, arg, fld_len - objlen)) return -1; | |
490 | outlen += fld_len - objlen; | |
491 | } | |
a657546f DSH |
492 | if(!io_ch(arg, sep_eq, sep_eq_len)) return -1; |
493 | outlen += objlen + sep_eq_len; | |
494 | } | |
495 | /* If the field name is unknown then fix up the DER dump | |
496 | * flag. We might want to limit this further so it will | |
497 | * DER dump on anything other than a few 'standard' fields. | |
498 | */ | |
499 | if((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) | |
500 | orflags = ASN1_STRFLGS_DUMP_ALL; | |
501 | else orflags = 0; | |
502 | ||
503 | len = do_print_ex(io_ch, arg, flags | orflags, val); | |
504 | if(len < 0) return -1; | |
505 | outlen += len; | |
506 | } | |
507 | return outlen; | |
508 | } | |
509 | ||
510 | /* Wrappers round the main functions */ | |
511 | ||
512 | int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, unsigned long flags) | |
513 | { | |
d0c98589 DSH |
514 | if(flags == XN_FLAG_COMPAT) |
515 | return X509_NAME_print(out, nm, indent); | |
a657546f DSH |
516 | return do_name_ex(send_bio_chars, out, nm, indent, flags); |
517 | } | |
518 | ||
25a66ee3 | 519 | #ifndef OPENSSL_NO_FP_API |
a657546f DSH |
520 | int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags) |
521 | { | |
d0c98589 DSH |
522 | if(flags == XN_FLAG_COMPAT) |
523 | { | |
524 | BIO *btmp; | |
525 | int ret; | |
526 | btmp = BIO_new_fp(fp, BIO_NOCLOSE); | |
527 | if(!btmp) return -1; | |
528 | ret = X509_NAME_print(btmp, nm, indent); | |
529 | BIO_free(btmp); | |
530 | return ret; | |
531 | } | |
a657546f DSH |
532 | return do_name_ex(send_fp_chars, fp, nm, indent, flags); |
533 | } | |
25a66ee3 | 534 | #endif |
a657546f DSH |
535 | |
536 | int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) | |
537 | { | |
538 | return do_print_ex(send_bio_chars, out, flags, str); | |
539 | } | |
540 | ||
25a66ee3 | 541 | #ifndef OPENSSL_NO_FP_API |
a657546f DSH |
542 | int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) |
543 | { | |
544 | return do_print_ex(send_fp_chars, fp, flags, str); | |
545 | } | |
25a66ee3 | 546 | #endif |
d428bf8c DSH |
547 | |
548 | /* Utility function: convert any string type to UTF8, returns number of bytes | |
549 | * in output string or a negative error code | |
550 | */ | |
551 | ||
552 | int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) | |
553 | { | |
554 | ASN1_STRING stmp, *str = &stmp; | |
555 | int mbflag, type, ret; | |
b499ed06 | 556 | if(!in) return -1; |
d428bf8c DSH |
557 | type = in->type; |
558 | if((type < 0) || (type > 30)) return -1; | |
559 | mbflag = tag2nbyte[type]; | |
560 | if(mbflag == -1) return -1; | |
561 | mbflag |= MBSTRING_FLAG; | |
562 | stmp.data = NULL; | |
563 | ret = ASN1_mbstring_copy(&str, in->data, in->length, mbflag, B_ASN1_UTF8STRING); | |
564 | if(ret < 0) return ret; | |
b499ed06 | 565 | *out = stmp.data; |
d428bf8c DSH |
566 | return stmp.length; |
567 | } |