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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 | ||
968062b7 DSH |
77 | #define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \ |
78 | ASN1_STRFLGS_ESC_QUOTE | \ | |
79 | ASN1_STRFLGS_ESC_CTRL | \ | |
80 | ASN1_STRFLGS_ESC_MSB) | |
81 | ||
a657546f DSH |
82 | |
83 | /* Three IO functions for sending data to memory, a BIO and | |
84 | * and a FILE pointer. | |
85 | */ | |
40889b9c LJ |
86 | #if 0 /* never used */ |
87 | static int send_mem_chars(void *arg, const void *buf, int len) | |
a657546f DSH |
88 | { |
89 | unsigned char **out = arg; | |
90 | if(!out) return 1; | |
91 | memcpy(*out, buf, len); | |
92 | *out += len; | |
93 | return 1; | |
94 | } | |
40889b9c | 95 | #endif |
a657546f | 96 | |
40889b9c | 97 | static int send_bio_chars(void *arg, const void *buf, int len) |
a657546f DSH |
98 | { |
99 | if(!arg) return 1; | |
100 | if(BIO_write(arg, buf, len) != len) return 0; | |
101 | return 1; | |
102 | } | |
103 | ||
40889b9c | 104 | static int send_fp_chars(void *arg, const void *buf, int len) |
a657546f DSH |
105 | { |
106 | if(!arg) return 1; | |
469938cb | 107 | if(fwrite(buf, 1, len, arg) != (unsigned int)len) return 0; |
a657546f DSH |
108 | return 1; |
109 | } | |
110 | ||
111 | typedef int char_io(void *arg, const void *buf, int len); | |
112 | ||
113 | /* This function handles display of | |
114 | * strings, one character at a time. | |
115 | * It is passed an unsigned long for each | |
116 | * character because it could come from 2 or even | |
117 | * 4 byte forms. | |
118 | */ | |
119 | ||
120 | static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, char_io *io_ch, void *arg) | |
121 | { | |
122 | unsigned char chflgs, chtmp; | |
54a656ef BL |
123 | char tmphex[HEX_SIZE(long)+3]; |
124 | ||
125 | if(c > 0xffffffffL) | |
126 | return -1; | |
a657546f | 127 | if(c > 0xffff) { |
54a656ef | 128 | BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); |
a657546f DSH |
129 | if(!io_ch(arg, tmphex, 10)) return -1; |
130 | return 10; | |
131 | } | |
132 | if(c > 0xff) { | |
54a656ef | 133 | BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); |
a657546f DSH |
134 | if(!io_ch(arg, tmphex, 6)) return -1; |
135 | return 6; | |
136 | } | |
469938cb | 137 | chtmp = (unsigned char)c; |
a657546f DSH |
138 | if(chtmp > 0x7f) chflgs = flags & ASN1_STRFLGS_ESC_MSB; |
139 | else chflgs = char_type[chtmp] & flags; | |
140 | if(chflgs & CHARTYPE_BS_ESC) { | |
141 | /* If we don't escape with quotes, signal we need quotes */ | |
142 | if(chflgs & ASN1_STRFLGS_ESC_QUOTE) { | |
143 | if(do_quotes) *do_quotes = 1; | |
144 | if(!io_ch(arg, &chtmp, 1)) return -1; | |
145 | return 1; | |
146 | } | |
147 | if(!io_ch(arg, "\\", 1)) return -1; | |
148 | if(!io_ch(arg, &chtmp, 1)) return -1; | |
149 | return 2; | |
150 | } | |
151 | if(chflgs & (ASN1_STRFLGS_ESC_CTRL|ASN1_STRFLGS_ESC_MSB)) { | |
152 | BIO_snprintf(tmphex, 11, "\\%02X", chtmp); | |
153 | if(!io_ch(arg, tmphex, 3)) return -1; | |
154 | return 3; | |
155 | } | |
968062b7 DSH |
156 | /* If we get this far and do any escaping at all must escape |
157 | * the escape character itself: backslash. | |
158 | */ | |
159 | if (chtmp == '\\' && flags & ESC_FLAGS) { | |
160 | if(!io_ch(arg, "\\\\", 2)) return -1; | |
161 | return 2; | |
162 | } | |
a657546f DSH |
163 | if(!io_ch(arg, &chtmp, 1)) return -1; |
164 | return 1; | |
165 | } | |
166 | ||
167 | #define BUF_TYPE_WIDTH_MASK 0x7 | |
168 | #define BUF_TYPE_CONVUTF8 0x8 | |
169 | ||
170 | /* This function sends each character in a buffer to | |
171 | * do_esc_char(). It interprets the content formats | |
172 | * and converts to or from UTF8 as appropriate. | |
173 | */ | |
174 | ||
175 | static int do_buf(unsigned char *buf, int buflen, | |
176 | int type, unsigned char flags, char *quotes, char_io *io_ch, void *arg) | |
177 | { | |
178 | int i, outlen, len; | |
179 | unsigned char orflags, *p, *q; | |
180 | unsigned long c; | |
181 | p = buf; | |
182 | q = buf + buflen; | |
183 | outlen = 0; | |
184 | while(p != q) { | |
0636c39b | 185 | if(p == buf && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_FIRST_ESC_2253; |
a657546f DSH |
186 | else orflags = 0; |
187 | switch(type & BUF_TYPE_WIDTH_MASK) { | |
188 | case 4: | |
189 | c = ((unsigned long)*p++) << 24; | |
190 | c |= ((unsigned long)*p++) << 16; | |
191 | c |= ((unsigned long)*p++) << 8; | |
192 | c |= *p++; | |
193 | break; | |
194 | ||
195 | case 2: | |
196 | c = ((unsigned long)*p++) << 8; | |
197 | c |= *p++; | |
198 | break; | |
199 | ||
200 | case 1: | |
201 | c = *p++; | |
202 | break; | |
203 | ||
204 | case 0: | |
205 | i = UTF8_getc(p, buflen, &c); | |
206 | if(i < 0) return -1; /* Invalid UTF8String */ | |
207 | p += i; | |
208 | break; | |
8c5a2bd6 NL |
209 | default: |
210 | return -1; /* invalid width */ | |
a657546f | 211 | } |
0636c39b | 212 | if (p == q && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_LAST_ESC_2253; |
a657546f DSH |
213 | if(type & BUF_TYPE_CONVUTF8) { |
214 | unsigned char utfbuf[6]; | |
215 | int utflen; | |
54a656ef | 216 | utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); |
a657546f DSH |
217 | for(i = 0; i < utflen; i++) { |
218 | /* We don't need to worry about setting orflags correctly | |
219 | * because if utflen==1 its value will be correct anyway | |
220 | * otherwise each character will be > 0x7f and so the | |
221 | * character will never be escaped on first and last. | |
222 | */ | |
469938cb | 223 | len = do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), quotes, io_ch, arg); |
a657546f DSH |
224 | if(len < 0) return -1; |
225 | outlen += len; | |
226 | } | |
227 | } else { | |
469938cb | 228 | len = do_esc_char(c, (unsigned char)(flags | orflags), quotes, io_ch, arg); |
a657546f DSH |
229 | if(len < 0) return -1; |
230 | outlen += len; | |
231 | } | |
232 | } | |
233 | return outlen; | |
234 | } | |
235 | ||
236 | /* This function hex dumps a buffer of characters */ | |
237 | ||
238 | static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, int buflen) | |
239 | { | |
8215e7a9 | 240 | static const char hexdig[] = "0123456789ABCDEF"; |
a657546f DSH |
241 | unsigned char *p, *q; |
242 | char hextmp[2]; | |
243 | if(arg) { | |
244 | p = buf; | |
245 | q = buf + buflen; | |
246 | while(p != q) { | |
247 | hextmp[0] = hexdig[*p >> 4]; | |
248 | hextmp[1] = hexdig[*p & 0xf]; | |
249 | if(!io_ch(arg, hextmp, 2)) return -1; | |
250 | p++; | |
251 | } | |
252 | } | |
253 | return buflen << 1; | |
254 | } | |
255 | ||
256 | /* "dump" a string. This is done when the type is unknown, | |
257 | * or the flags request it. We can either dump the content | |
258 | * octets or the entire DER encoding. This uses the RFC2253 | |
259 | * #01234 format. | |
260 | */ | |
261 | ||
40889b9c | 262 | static int do_dump(unsigned long lflags, char_io *io_ch, void *arg, ASN1_STRING *str) |
a657546f DSH |
263 | { |
264 | /* Placing the ASN1_STRING in a temp ASN1_TYPE allows | |
265 | * the DER encoding to readily obtained | |
266 | */ | |
267 | ASN1_TYPE t; | |
268 | unsigned char *der_buf, *p; | |
269 | int outlen, der_len; | |
270 | ||
271 | if(!io_ch(arg, "#", 1)) return -1; | |
272 | /* If we don't dump DER encoding just dump content octets */ | |
273 | if(!(lflags & ASN1_STRFLGS_DUMP_DER)) { | |
274 | outlen = do_hex_dump(io_ch, arg, str->data, str->length); | |
275 | if(outlen < 0) return -1; | |
276 | return outlen + 1; | |
277 | } | |
278 | t.type = str->type; | |
279 | t.value.ptr = (char *)str; | |
280 | der_len = i2d_ASN1_TYPE(&t, NULL); | |
281 | der_buf = OPENSSL_malloc(der_len); | |
282 | if(!der_buf) return -1; | |
283 | p = der_buf; | |
284 | i2d_ASN1_TYPE(&t, &p); | |
285 | outlen = do_hex_dump(io_ch, arg, der_buf, der_len); | |
286 | OPENSSL_free(der_buf); | |
287 | if(outlen < 0) return -1; | |
288 | return outlen + 1; | |
289 | } | |
290 | ||
291 | /* Lookup table to convert tags to character widths, | |
292 | * 0 = UTF8 encoded, -1 is used for non string types | |
293 | * otherwise it is the number of bytes per character | |
294 | */ | |
295 | ||
8215e7a9 | 296 | static const signed char tag2nbyte[] = { |
a657546f DSH |
297 | -1, -1, -1, -1, -1, /* 0-4 */ |
298 | -1, -1, -1, -1, -1, /* 5-9 */ | |
299 | -1, -1, 0, -1, /* 10-13 */ | |
300 | -1, -1, -1, -1, /* 15-17 */ | |
301 | -1, 1, 1, /* 18-20 */ | |
cd2e8a6f | 302 | -1, 1, 1, 1, /* 21-24 */ |
a657546f DSH |
303 | -1, 1, -1, /* 25-27 */ |
304 | 4, -1, 2 /* 28-30 */ | |
305 | }; | |
306 | ||
a657546f DSH |
307 | /* This is the main function, print out an |
308 | * ASN1_STRING taking note of various escape | |
309 | * and display options. Returns number of | |
310 | * characters written or -1 if an error | |
311 | * occurred. | |
312 | */ | |
313 | ||
314 | static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, ASN1_STRING *str) | |
315 | { | |
316 | int outlen, len; | |
317 | int type; | |
318 | char quotes; | |
319 | unsigned char flags; | |
320 | quotes = 0; | |
321 | /* Keep a copy of escape flags */ | |
469938cb | 322 | flags = (unsigned char)(lflags & ESC_FLAGS); |
a657546f DSH |
323 | |
324 | type = str->type; | |
325 | ||
326 | outlen = 0; | |
327 | ||
328 | ||
bd4e1527 | 329 | if(lflags & ASN1_STRFLGS_SHOW_TYPE) { |
a657546f DSH |
330 | const char *tagname; |
331 | tagname = ASN1_tag2str(type); | |
332 | outlen += strlen(tagname); | |
333 | if(!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) return -1; | |
334 | outlen++; | |
335 | } | |
336 | ||
337 | /* Decide what to do with type, either dump content or display it */ | |
338 | ||
339 | /* Dump everything */ | |
340 | if(lflags & ASN1_STRFLGS_DUMP_ALL) type = -1; | |
341 | /* Ignore the string type */ | |
342 | else if(lflags & ASN1_STRFLGS_IGNORE_TYPE) type = 1; | |
343 | else { | |
344 | /* Else determine width based on type */ | |
345 | if((type > 0) && (type < 31)) type = tag2nbyte[type]; | |
346 | else type = -1; | |
347 | if((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) type = 1; | |
348 | } | |
349 | ||
350 | if(type == -1) { | |
351 | len = do_dump(lflags, io_ch, arg, str); | |
352 | if(len < 0) return -1; | |
353 | outlen += len; | |
354 | return outlen; | |
355 | } | |
356 | ||
357 | if(lflags & ASN1_STRFLGS_UTF8_CONVERT) { | |
358 | /* Note: if string is UTF8 and we want | |
359 | * to convert to UTF8 then we just interpret | |
360 | * it as 1 byte per character to avoid converting | |
361 | * twice. | |
362 | */ | |
363 | if(!type) type = 1; | |
364 | else type |= BUF_TYPE_CONVUTF8; | |
365 | } | |
366 | ||
367 | len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); | |
8c5a2bd6 | 368 | if(len < 0) return -1; |
a657546f DSH |
369 | outlen += len; |
370 | if(quotes) outlen += 2; | |
371 | if(!arg) return outlen; | |
372 | if(quotes && !io_ch(arg, "\"", 1)) return -1; | |
8c5a2bd6 NL |
373 | if(do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) |
374 | return -1; | |
a657546f DSH |
375 | if(quotes && !io_ch(arg, "\"", 1)) return -1; |
376 | return outlen; | |
377 | } | |
378 | ||
379 | /* Used for line indenting: print 'indent' spaces */ | |
380 | ||
381 | static int do_indent(char_io *io_ch, void *arg, int indent) | |
382 | { | |
383 | int i; | |
384 | for(i = 0; i < indent; i++) | |
385 | if(!io_ch(arg, " ", 1)) return 0; | |
386 | return 1; | |
387 | } | |
388 | ||
535d79da DSH |
389 | #define FN_WIDTH_LN 25 |
390 | #define FN_WIDTH_SN 10 | |
a657546f DSH |
391 | |
392 | static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, | |
393 | int indent, unsigned long flags) | |
394 | { | |
395 | int i, prev = -1, orflags, cnt; | |
396 | int fn_opt, fn_nid; | |
397 | ASN1_OBJECT *fn; | |
398 | ASN1_STRING *val; | |
399 | X509_NAME_ENTRY *ent; | |
400 | char objtmp[80]; | |
401 | const char *objbuf; | |
402 | int outlen, len; | |
403 | char *sep_dn, *sep_mv, *sep_eq; | |
404 | int sep_dn_len, sep_mv_len, sep_eq_len; | |
405 | if(indent < 0) indent = 0; | |
406 | outlen = indent; | |
407 | if(!do_indent(io_ch, arg, indent)) return -1; | |
408 | switch (flags & XN_FLAG_SEP_MASK) | |
409 | { | |
410 | case XN_FLAG_SEP_MULTILINE: | |
411 | sep_dn = "\n"; | |
412 | sep_dn_len = 1; | |
bd4e1527 DSH |
413 | sep_mv = " + "; |
414 | sep_mv_len = 3; | |
a657546f DSH |
415 | break; |
416 | ||
417 | case XN_FLAG_SEP_COMMA_PLUS: | |
418 | sep_dn = ","; | |
419 | sep_dn_len = 1; | |
420 | sep_mv = "+"; | |
421 | sep_mv_len = 1; | |
422 | indent = 0; | |
423 | break; | |
424 | ||
425 | case XN_FLAG_SEP_CPLUS_SPC: | |
426 | sep_dn = ", "; | |
427 | sep_dn_len = 2; | |
428 | sep_mv = " + "; | |
429 | sep_mv_len = 3; | |
430 | indent = 0; | |
431 | break; | |
432 | ||
433 | case XN_FLAG_SEP_SPLUS_SPC: | |
434 | sep_dn = "; "; | |
435 | sep_dn_len = 2; | |
436 | sep_mv = " + "; | |
437 | sep_mv_len = 3; | |
438 | indent = 0; | |
439 | break; | |
440 | ||
441 | default: | |
442 | return -1; | |
443 | } | |
444 | ||
445 | if(flags & XN_FLAG_SPC_EQ) { | |
446 | sep_eq = " = "; | |
447 | sep_eq_len = 3; | |
448 | } else { | |
449 | sep_eq = "="; | |
450 | sep_eq_len = 1; | |
451 | } | |
452 | ||
453 | fn_opt = flags & XN_FLAG_FN_MASK; | |
454 | ||
455 | cnt = X509_NAME_entry_count(n); | |
456 | for(i = 0; i < cnt; i++) { | |
457 | if(flags & XN_FLAG_DN_REV) | |
458 | ent = X509_NAME_get_entry(n, cnt - i - 1); | |
459 | else ent = X509_NAME_get_entry(n, i); | |
460 | if(prev != -1) { | |
461 | if(prev == ent->set) { | |
462 | if(!io_ch(arg, sep_mv, sep_mv_len)) return -1; | |
463 | outlen += sep_mv_len; | |
464 | } else { | |
465 | if(!io_ch(arg, sep_dn, sep_dn_len)) return -1; | |
466 | outlen += sep_dn_len; | |
bd4e1527 DSH |
467 | if(!do_indent(io_ch, arg, indent)) return -1; |
468 | outlen += indent; | |
a657546f | 469 | } |
a657546f DSH |
470 | } |
471 | prev = ent->set; | |
472 | fn = X509_NAME_ENTRY_get_object(ent); | |
473 | val = X509_NAME_ENTRY_get_data(ent); | |
474 | fn_nid = OBJ_obj2nid(fn); | |
475 | if(fn_opt != XN_FLAG_FN_NONE) { | |
535d79da | 476 | int objlen, fld_len; |
a657546f | 477 | if((fn_opt == XN_FLAG_FN_OID) || (fn_nid==NID_undef) ) { |
54a656ef | 478 | OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1); |
4f19a067 | 479 | fld_len = 0; /* XXX: what should this be? */ |
a657546f DSH |
480 | objbuf = objtmp; |
481 | } else { | |
535d79da DSH |
482 | if(fn_opt == XN_FLAG_FN_SN) { |
483 | fld_len = FN_WIDTH_SN; | |
a657546f | 484 | objbuf = OBJ_nid2sn(fn_nid); |
535d79da DSH |
485 | } else if(fn_opt == XN_FLAG_FN_LN) { |
486 | fld_len = FN_WIDTH_LN; | |
a657546f | 487 | objbuf = OBJ_nid2ln(fn_nid); |
4f19a067 BL |
488 | } else { |
489 | fld_len = 0; /* XXX: what should this be? */ | |
490 | objbuf = ""; | |
491 | } | |
a657546f DSH |
492 | } |
493 | objlen = strlen(objbuf); | |
494 | if(!io_ch(arg, objbuf, objlen)) return -1; | |
535d79da DSH |
495 | if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { |
496 | if (!do_indent(io_ch, arg, fld_len - objlen)) return -1; | |
497 | outlen += fld_len - objlen; | |
498 | } | |
a657546f DSH |
499 | if(!io_ch(arg, sep_eq, sep_eq_len)) return -1; |
500 | outlen += objlen + sep_eq_len; | |
501 | } | |
502 | /* If the field name is unknown then fix up the DER dump | |
503 | * flag. We might want to limit this further so it will | |
504 | * DER dump on anything other than a few 'standard' fields. | |
505 | */ | |
506 | if((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) | |
507 | orflags = ASN1_STRFLGS_DUMP_ALL; | |
508 | else orflags = 0; | |
509 | ||
510 | len = do_print_ex(io_ch, arg, flags | orflags, val); | |
511 | if(len < 0) return -1; | |
512 | outlen += len; | |
513 | } | |
514 | return outlen; | |
515 | } | |
516 | ||
517 | /* Wrappers round the main functions */ | |
518 | ||
519 | int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, unsigned long flags) | |
520 | { | |
d0c98589 DSH |
521 | if(flags == XN_FLAG_COMPAT) |
522 | return X509_NAME_print(out, nm, indent); | |
a657546f DSH |
523 | return do_name_ex(send_bio_chars, out, nm, indent, flags); |
524 | } | |
525 | ||
4b618848 | 526 | #ifndef OPENSSL_NO_STDIO |
a657546f DSH |
527 | int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags) |
528 | { | |
d0c98589 DSH |
529 | if(flags == XN_FLAG_COMPAT) |
530 | { | |
531 | BIO *btmp; | |
532 | int ret; | |
533 | btmp = BIO_new_fp(fp, BIO_NOCLOSE); | |
534 | if(!btmp) return -1; | |
535 | ret = X509_NAME_print(btmp, nm, indent); | |
536 | BIO_free(btmp); | |
537 | return ret; | |
538 | } | |
a657546f DSH |
539 | return do_name_ex(send_fp_chars, fp, nm, indent, flags); |
540 | } | |
25a66ee3 | 541 | #endif |
a657546f DSH |
542 | |
543 | int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) | |
544 | { | |
545 | return do_print_ex(send_bio_chars, out, flags, str); | |
546 | } | |
547 | ||
4b618848 | 548 | #ifndef OPENSSL_NO_STDIO |
a657546f DSH |
549 | int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) |
550 | { | |
551 | return do_print_ex(send_fp_chars, fp, flags, str); | |
552 | } | |
25a66ee3 | 553 | #endif |
d428bf8c DSH |
554 | |
555 | /* Utility function: convert any string type to UTF8, returns number of bytes | |
556 | * in output string or a negative error code | |
557 | */ | |
558 | ||
559 | int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) | |
560 | { | |
561 | ASN1_STRING stmp, *str = &stmp; | |
562 | int mbflag, type, ret; | |
b499ed06 | 563 | if(!in) return -1; |
d428bf8c DSH |
564 | type = in->type; |
565 | if((type < 0) || (type > 30)) return -1; | |
566 | mbflag = tag2nbyte[type]; | |
567 | if(mbflag == -1) return -1; | |
568 | mbflag |= MBSTRING_FLAG; | |
569 | stmp.data = NULL; | |
7f429a5d | 570 | stmp.length = 0; |
f9fb43e1 | 571 | stmp.flags = 0; |
d428bf8c DSH |
572 | ret = ASN1_mbstring_copy(&str, in->data, in->length, mbflag, B_ASN1_UTF8STRING); |
573 | if(ret < 0) return ret; | |
b499ed06 | 574 | *out = stmp.data; |
d428bf8c DSH |
575 | return stmp.length; |
576 | } |