chiark / gitweb /
Some minor debianization fixes
[disorder] / lib / mime.c
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460b9539 1/*
2 * This file is part of DisOrder
06819653 3 * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
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20/** @file lib/mime.c
21 * @brief Support for MIME and allied protocols
22 */
460b9539 23
24#include <config.h>
25#include "types.h"
26
27#include <string.h>
28#include <ctype.h>
29
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30#include <stdio.h>
31
460b9539 32#include "mem.h"
33#include "mime.h"
34#include "vector.h"
35#include "hex.h"
39d4aa6b 36#include "log.h"
fce810c2 37#include "base64.h"
9bce81d1 38#include "kvp.h"
460b9539 39
39d4aa6b 40/** @brief Match whitespace characters */
460b9539 41static int whitespace(int c) {
42 switch(c) {
43 case ' ':
44 case '\t':
45 case '\r':
46 case '\n':
47 return 1;
48 default:
49 return 0;
50 }
51}
52
39d4aa6b 53/** @brief Match RFC2045 tspecial characters */
a1bedb6d 54int mime_tspecial(int c) {
460b9539 55 switch(c) {
56 case '(':
57 case ')':
58 case '<':
59 case '>':
60 case '@':
61 case ',':
62 case ';':
63 case ':':
64 case '\\':
65 case '"':
66 case '/':
67 case '[':
68 case ']':
69 case '?':
70 case '=':
71 return 1;
72 default:
73 return 0;
74 }
75}
76
82c01b31 77/** @brief Match RFC2616 separator characters */
a1bedb6d 78int mime_http_separator(int c) {
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79 switch(c) {
80 case '(':
81 case ')':
82 case '<':
83 case '>':
84 case '@':
85 case ',':
86 case ';':
87 case ':':
88 case '\\':
89 case '"':
90 case '/':
91 case '[':
92 case ']':
93 case '?':
94 case '=':
95 case '{':
96 case '}':
97 case ' ':
98 case '\t':
99 return 1;
100 default:
101 return 0;
102 }
103}
104
105/** @brief Match CRLF */
106static int iscrlf(const char *ptr) {
107 return ptr[0] == '\r' && ptr[1] == '\n';
108}
109
110/** @brief Skip whitespace
158d0961 111 * @param s Pointer into string
39d4aa6b 112 * @param rfc822_comments If true, skip RFC822 nested comments
158d0961 113 * @return Pointer into string after whitespace
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114 */
115static const char *skipwhite(const char *s, int rfc822_comments) {
460b9539 116 int c, depth;
117
118 for(;;) {
119 switch(c = *s) {
120 case ' ':
121 case '\t':
122 case '\r':
123 case '\n':
124 ++s;
125 break;
126 case '(':
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127 if(!rfc822_comments)
128 return s;
460b9539 129 ++s;
130 depth = 1;
131 while(*s && depth) {
132 c = *s++;
133 switch(c) {
134 case '(': ++depth; break;
135 case ')': --depth; break;
136 case '\\':
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137 if(!*s)
138 return 0;
460b9539 139 ++s;
140 break;
141 }
142 }
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143 if(depth)
144 return 0;
460b9539 145 break;
146 default:
147 return s;
148 }
149 }
150}
151
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152/** @brief Test for a word character
153 * @param c Character to test
a1bedb6d 154 * @param special mime_tspecial() (MIME/RFC2405) or mime_http_separator() (HTTP/RFC2616)
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155 * @return 1 if @p c is a word character, else 0
156 */
157static int iswordchar(int c, int (*special)(int)) {
158 return !(c <= ' ' || c > '~' || special(c));
159}
160
161/** @brief Parse an RFC1521/RFC2616 word
162 * @param s Pointer to start of word
163 * @param valuep Where to store value
a1bedb6d 164 * @param special mime_tspecial() (MIME/RFC2405) or mime_http_separator() (HTTP/RFC2616)
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165 * @return Pointer just after end of word or NULL if there's no word
166 *
167 * A word is a token or a quoted-string.
168 */
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169const char *mime_parse_word(const char *s, char **valuep,
170 int (*special)(int)) {
39d4aa6b 171 struct dynstr value[1];
460b9539 172 int c;
173
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174 dynstr_init(value);
175 if(*s == '"') {
176 ++s;
177 while((c = *s++) != '"') {
178 switch(c) {
179 case '\\':
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180 if(!(c = *s++))
181 return 0;
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182 default:
183 dynstr_append(value, c);
184 break;
185 }
460b9539 186 }
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187 if(!c)
188 return 0;
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189 } else {
190 if(!iswordchar((unsigned char)*s, special))
191 return NULL;
192 dynstr_init(value);
193 while(iswordchar((unsigned char)*s, special))
194 dynstr_append(value, *s++);
460b9539 195 }
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196 dynstr_terminate(value);
197 *valuep = value->vec;
460b9539 198 return s;
199}
200
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201/** @brief Parse an RFC1521/RFC2616 token
202 * @param s Pointer to start of token
203 * @param valuep Where to store value
a1bedb6d 204 * @param special mime_tspecial() (MIME/RFC2405) or mime_http_separator() (HTTP/RFC2616)
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205 * @return Pointer just after end of token or NULL if there's no token
206 */
207static const char *parsetoken(const char *s, char **valuep,
208 int (*special)(int)) {
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209 if(*s == '"')
210 return 0;
a1bedb6d 211 return mime_parse_word(s, valuep, special);
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212}
213
214/** @brief Parse a MIME content-type field
215 * @param s Start of field
216 * @param typep Where to store type
9bce81d1 217 * @param parametersp Where to store parameter list
39d4aa6b 218 * @return 0 on success, non-0 on error
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219 *
220 * See <a href="http://tools.ietf.org/html/rfc2045#section-5">RFC 2045 s5</a>.
39d4aa6b 221 */
460b9539 222int mime_content_type(const char *s,
223 char **typep,
9bce81d1 224 struct kvp **parametersp) {
39d4aa6b 225 struct dynstr type, parametername;
9bce81d1 226 struct kvp *parameters = 0;
227 char *parametervalue;
460b9539 228
229 dynstr_init(&type);
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230 if(!(s = skipwhite(s, 1)))
231 return -1;
232 if(!*s)
233 return -1;
a1bedb6d 234 while(*s && !mime_tspecial(*s) && !whitespace(*s))
460b9539 235 dynstr_append(&type, tolower((unsigned char)*s++));
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236 if(!(s = skipwhite(s, 1)))
237 return -1;
238 if(*s++ != '/')
239 return -1;
460b9539 240 dynstr_append(&type, '/');
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241 if(!(s = skipwhite(s, 1)))
242 return -1;
a1bedb6d 243 while(*s && !mime_tspecial(*s) && !whitespace(*s))
460b9539 244 dynstr_append(&type, tolower((unsigned char)*s++));
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245 if(!(s = skipwhite(s, 1)))
246 return -1;
460b9539 247
9bce81d1 248 while(*s == ';') {
460b9539 249 dynstr_init(&parametername);
250 ++s;
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251 if(!(s = skipwhite(s, 1)))
252 return -1;
253 if(!*s)
254 return -1;
a1bedb6d 255 while(*s && !mime_tspecial(*s) && !whitespace(*s))
460b9539 256 dynstr_append(&parametername, tolower((unsigned char)*s++));
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257 if(!(s = skipwhite(s, 1)))
258 return -1;
259 if(*s++ != '=')
260 return -1;
261 if(!(s = skipwhite(s, 1)))
262 return -1;
a1bedb6d 263 if(!(s = mime_parse_word(s, &parametervalue, mime_tspecial)))
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264 return -1;
265 if(!(s = skipwhite(s, 1)))
266 return -1;
460b9539 267 dynstr_terminate(&parametername);
9bce81d1 268 kvp_set(&parameters, parametername.vec, parametervalue);
269 }
460b9539 270 dynstr_terminate(&type);
271 *typep = type.vec;
9bce81d1 272 *parametersp = parameters;
460b9539 273 return 0;
274}
275
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276/** @brief Parse a MIME message
277 * @param s Start of message
278 * @param callback Called for each header field
279 * @param u Passed to callback
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280 * @return Pointer to decoded body (might be in original string), or NULL on error
281 *
282 * This does an RFC 822-style parse and honors Content-Transfer-Encoding as
283 * described in <a href="http://tools.ietf.org/html/rfc2045#section-6">RFC 2045
284 * s6</a>. @p callback is called for each header field encountered, in order,
285 * with ASCII characters in the header name forced to lower case.
39d4aa6b 286 */
460b9539 287const char *mime_parse(const char *s,
288 int (*callback)(const char *name, const char *value,
289 void *u),
290 void *u) {
291 struct dynstr name, value;
292 char *cte = 0, *p;
293
294 while(*s && !iscrlf(s)) {
295 dynstr_init(&name);
296 dynstr_init(&value);
a1bedb6d 297 while(*s && !mime_tspecial(*s) && !whitespace(*s))
460b9539 298 dynstr_append(&name, tolower((unsigned char)*s++));
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299 if(!(s = skipwhite(s, 1)))
300 return 0;
301 if(*s != ':')
302 return 0;
460b9539 303 ++s;
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304 while(*s && !(*s == '\n' && !(s[1] == ' ' || s[1] == '\t'))) {
305 const int c = *s++;
306 /* Strip leading whitespace */
307 if(value.nvec || !(c == ' ' || c == '\t' || c == '\n' || c == '\r'))
308 dynstr_append(&value, c);
309 }
310 /* Strip trailing whitespace */
311 while(value.nvec > 0 && (value.vec[value.nvec - 1] == ' '
312 || value.vec[value.nvec - 1] == '\t'
313 || value.vec[value.nvec - 1] == '\n'
314 || value.vec[value.nvec - 1] == '\r'))
315 --value.nvec;
316 if(*s)
317 ++s;
460b9539 318 dynstr_terminate(&name);
319 dynstr_terminate(&value);
320 if(!strcmp(name.vec, "content-transfer-encoding")) {
321 cte = xstrdup(value.vec);
322 for(p = cte; *p; p++)
323 *p = tolower((unsigned char)*p);
324 }
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325 if(callback(name.vec, value.vec, u))
326 return 0;
460b9539 327 }
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328 if(*s)
329 s += 2;
460b9539 330 if(cte) {
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331 if(!strcmp(cte, "base64"))
332 return mime_base64(s, 0);
333 if(!strcmp(cte, "quoted-printable"))
334 return mime_qp(s);
335 if(!strcmp(cte, "7bit") || !strcmp(cte, "8bit"))
336 return s;
337 error(0, "unknown content-transfer-encoding '%s'", cte);
338 return 0;
460b9539 339 }
340 return s;
341}
342
78d8e29d 343/** @brief Match the boundary string */
460b9539 344static int isboundary(const char *ptr, const char *boundary, size_t bl) {
345 return (ptr[0] == '-'
346 && ptr[1] == '-'
347 && !strncmp(ptr + 2, boundary, bl)
348 && (iscrlf(ptr + bl + 2)
349 || (ptr[bl + 2] == '-'
350 && ptr[bl + 3] == '-'
22896b25 351 && (iscrlf(ptr + bl + 4) || *(ptr + bl + 4) == 0))));
460b9539 352}
353
78d8e29d 354/** @brief Match the final boundary string */
460b9539 355static int isfinal(const char *ptr, const char *boundary, size_t bl) {
356 return (ptr[0] == '-'
357 && ptr[1] == '-'
358 && !strncmp(ptr + 2, boundary, bl)
359 && ptr[bl + 2] == '-'
360 && ptr[bl + 3] == '-'
22896b25 361 && (iscrlf(ptr + bl + 4) || *(ptr + bl + 4) == 0));
460b9539 362}
363
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364/** @brief Parse a multipart MIME body
365 * @param s Start of message
78d8e29d 366 * @param callback Callback for each part
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367 * @param boundary Boundary string
368 * @param u Passed to callback
369 * @return 0 on success, non-0 on error
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370 *
371 * See <a href="http://tools.ietf.org/html/rfc2046#section-5.1">RFC 2046
372 * s5.1</a>. @p callback is called for each part (not yet decoded in any way)
373 * in succession; you should probably call mime_parse() for each part.
39d4aa6b 374 */
460b9539 375int mime_multipart(const char *s,
376 int (*callback)(const char *s, void *u),
377 const char *boundary,
378 void *u) {
379 size_t bl = strlen(boundary);
380 const char *start, *e;
381 int ret;
382
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383 /* We must start with a boundary string */
384 if(!isboundary(s, boundary, bl))
385 return -1;
386 /* Keep going until we hit a final boundary */
460b9539 387 while(!isfinal(s, boundary, bl)) {
388 s = strstr(s, "\r\n") + 2;
389 start = s;
390 while(!isboundary(s, boundary, bl)) {
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391 if(!(e = strstr(s, "\r\n")))
392 return -1;
460b9539 393 s = e + 2;
394 }
395 if((ret = callback(xstrndup(start,
396 s == start ? 0 : s - start - 2),
397 u)))
398 return ret;
399 }
400 return 0;
401}
402
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403/** @brief Parse an RFC2388-style content-disposition field
404 * @param s Start of field
158d0961 405 * @param dispositionp Where to store disposition
39d4aa6b 406 * @param parameternamep Where to store parameter name
158d0961 407 * @param parametervaluep Wher to store parameter value
39d4aa6b 408 * @return 0 on success, non-0 on error
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409 *
410 * See <a href="http://tools.ietf.org/html/rfc2388#section-3">RFC 2388 s3</a>
411 * and <a href="http://tools.ietf.org/html/rfc2183">RFC 2183</a>.
39d4aa6b 412 */
460b9539 413int mime_rfc2388_content_disposition(const char *s,
414 char **dispositionp,
415 char **parameternamep,
416 char **parametervaluep) {
39d4aa6b 417 struct dynstr disposition, parametername;
460b9539 418
419 dynstr_init(&disposition);
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420 if(!(s = skipwhite(s, 1)))
421 return -1;
422 if(!*s)
423 return -1;
a1bedb6d 424 while(*s && !mime_tspecial(*s) && !whitespace(*s))
460b9539 425 dynstr_append(&disposition, tolower((unsigned char)*s++));
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426 if(!(s = skipwhite(s, 1)))
427 return -1;
460b9539 428
429 if(*s == ';') {
430 dynstr_init(&parametername);
431 ++s;
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432 if(!(s = skipwhite(s, 1)))
433 return -1;
434 if(!*s)
435 return -1;
a1bedb6d 436 while(*s && !mime_tspecial(*s) && !whitespace(*s))
460b9539 437 dynstr_append(&parametername, tolower((unsigned char)*s++));
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438 if(!(s = skipwhite(s, 1)))
439 return -1;
440 if(*s++ != '=')
441 return -1;
442 if(!(s = skipwhite(s, 1)))
443 return -1;
a1bedb6d 444 if(!(s = mime_parse_word(s, parametervaluep, mime_tspecial)))
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445 return -1;
446 if(!(s = skipwhite(s, 1)))
447 return -1;
460b9539 448 dynstr_terminate(&parametername);
449 *parameternamep = parametername.vec;
450 } else
451 *parametervaluep = *parameternamep = 0;
452 dynstr_terminate(&disposition);
453 *dispositionp = disposition.vec;
454 return 0;
455}
456
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457/** @brief Convert MIME quoted-printable
458 * @param s Quoted-printable data
459 * @return Decoded data
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460 *
461 * See <a href="http://tools.ietf.org/html/rfc2045#section-6.7">RFC 2045
462 * s6.7</a>.
39d4aa6b 463 */
460b9539 464char *mime_qp(const char *s) {
465 struct dynstr d;
466 int c, a, b;
467 const char *t;
468
469 dynstr_init(&d);
470 while((c = *s++)) {
471 switch(c) {
472 case '=':
473 if((a = unhexdigitq(s[0])) != -1
474 && (b = unhexdigitq(s[1])) != -1) {
475 dynstr_append(&d, a * 16 + b);
476 s += 2;
477 } else {
478 t = s;
479 while(*t == ' ' || *t == '\t') ++t;
480 if(iscrlf(t)) {
481 /* soft line break */
482 s = t + 2;
483 } else
484 return 0;
485 }
486 break;
487 case ' ':
488 case '\t':
489 t = s;
490 while(*t == ' ' || *t == '\t') ++t;
491 if(iscrlf(t))
492 /* trailing space is always eliminated */
493 s = t;
494 else
495 dynstr_append(&d, c);
496 break;
497 default:
498 dynstr_append(&d, c);
499 break;
500 }
501 }
502 dynstr_terminate(&d);
503 return d.vec;
504}
505
06819653 506/** @brief Match cookie separator characters
507 *
508 * This is a subset of the RFC2616 specials, and technically is in breach of
509 * the specification. However rejecting (in particular) slashes is
510 * unreasonably strict and has broken at least one (admittedly somewhat
511 * obscure) browser, so we're more forgiving.
512 */
513static int cookie_separator(int c) {
514 switch(c) {
515 case '(':
516 case ')':
517 case ',':
518 case ';':
519 case '=':
520 case ' ':
521 case '"':
522 case '\t':
523 return 1;
524
525 default:
526 return 0;
527 }
528}
529
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530/** @brief Parse a RFC2109 Cookie: header
531 * @param s Header field value
532 * @param cd Where to store result
533 * @return 0 on success, non-0 on error
36bde473 534 *
535 * See <a href="http://tools.ietf.org/html/rfc2109">RFC 2109</a>.
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536 */
537int parse_cookie(const char *s,
538 struct cookiedata *cd) {
539 char *n = 0, *v = 0;
540
541 memset(cd, 0, sizeof *cd);
542 s = skipwhite(s, 0);
543 while(*s) {
544 /* Skip separators */
545 if(*s == ';' || *s == ',') {
546 ++s;
547 s = skipwhite(s, 0);
548 continue;
549 }
06819653 550 if(!(s = parsetoken(s, &n, cookie_separator))) {
551 error(0, "parse_cookie: cannot parse attribute name");
121f51ac 552 return -1;
06819653 553 }
39d4aa6b 554 s = skipwhite(s, 0);
06819653 555 if(*s++ != '=') {
556 error(0, "parse_cookie: did not find expected '='");
121f51ac 557 return -1;
06819653 558 }
39d4aa6b 559 s = skipwhite(s, 0);
06819653 560 if(!(s = mime_parse_word(s, &v, cookie_separator))) {
561 error(0, "parse_cookie: cannot parse value for '%s'", n);
121f51ac 562 return -1;
06819653 563 }
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564 if(n[0] == '$') {
565 /* Some bit of meta-information */
566 if(!strcmp(n, "$Version"))
567 cd->version = v;
568 else if(!strcmp(n, "$Path")) {
569 if(cd->ncookies > 0 && cd->cookies[cd->ncookies-1].path == 0)
570 cd->cookies[cd->ncookies-1].path = v;
571 else {
572 error(0, "redundant $Path in Cookie: header");
573 return -1;
574 }
575 } else if(!strcmp(n, "$Domain")) {
576 if(cd->ncookies > 0 && cd->cookies[cd->ncookies-1].domain == 0)
577 cd->cookies[cd->ncookies-1].domain = v;
578 else {
579 error(0, "redundant $Domain in Cookie: header");
580 return -1;
581 }
582 }
583 } else {
584 /* It's a new cookie */
585 cd->cookies = xrealloc(cd->cookies,
586 (cd->ncookies + 1) * sizeof (struct cookie));
587 cd->cookies[cd->ncookies].name = n;
588 cd->cookies[cd->ncookies].value = v;
589 cd->cookies[cd->ncookies].path = 0;
590 cd->cookies[cd->ncookies].domain = 0;
591 ++cd->ncookies;
592 }
593 s = skipwhite(s, 0);
594 if(*s && (*s != ',' && *s != ';')) {
595 error(0, "missing separator in Cookie: header");
596 return -1;
597 }
598 }
599 return 0;
600}
601
602/** @brief Find a named cookie
603 * @param cd Parse cookie data
604 * @param name Name of cookie
605 * @return Cookie structure or NULL if not found
606 */
607const struct cookie *find_cookie(const struct cookiedata *cd,
608 const char *name) {
609 int n;
610
611 for(n = 0; n < cd->ncookies; ++n)
612 if(!strcmp(cd->cookies[n].name, name))
613 return &cd->cookies[n];
614 return 0;
615}
616
36bde473 617/** @brief RFC822 quoting
618 * @param s String to quote
619 * @param force If non-0, always quote
620 * @return Possibly quoted string
621 */
622char *quote822(const char *s, int force) {
623 const char *t;
624 struct dynstr d[1];
625 int c;
626
627 if(!force) {
628 /* See if we need to quote */
629 for(t = s; (c = (unsigned char)*t); ++t) {
a1bedb6d 630 if(mime_tspecial(c) || mime_http_separator(c) || whitespace(c))
36bde473 631 break;
632 }
633 if(*t)
634 force = 1;
635 }
636
637 if(!force)
638 return xstrdup(s);
639
640 dynstr_init(d);
641 dynstr_append(d, '"');
642 for(t = s; (c = (unsigned char)*t); ++t) {
643 if(c == '"' || c == '\\')
644 dynstr_append(d, '\\');
645 dynstr_append(d, c);
646 }
647 dynstr_append(d, '"');
648 dynstr_terminate(d);
649 return d->vec;
650}
651
bb6ae3fb 652/** @brief Return true if @p ptr points at trailing space */
653static int is_trailing_space(const char *ptr) {
654 if(*ptr == ' ' || *ptr == '\t') {
655 while(*ptr == ' ' || *ptr == '\t')
656 ++ptr;
657 return *ptr == '\n' || *ptr == 0;
658 } else
659 return 0;
660}
661
662/** @brief Encoding text as quoted-printable
663 * @param text String to encode
664 * @return Encoded string
665 *
666 * See <a href="http://tools.ietf.org/html/rfc2045#section-6.7">RFC2045
667 * s6.7</a>.
668 */
669char *mime_to_qp(const char *text) {
670 struct dynstr d[1];
671 int linelength = 0; /* length of current line */
672 char buffer[10];
673
674 dynstr_init(d);
675 /* The rules are:
676 * 1. Anything except newline can be replaced with =%02X
677 * 2. Newline, 33-60 and 62-126 stand for themselves (i.e. not '=')
678 * 3. Non-trailing space/tab stand for themselves.
679 * 4. Output lines are limited to 76 chars, with =<newline> being used
680 * as a soft line break
681 * 5. Newlines aren't counted towards the 76 char limit.
682 */
683 while(*text) {
684 const int c = (unsigned char)*text;
685 if(c == '\n') {
686 /* Newline stands as itself */
687 dynstr_append(d, '\n');
688 linelength = 0;
689 } else if((c >= 33 && c <= 126 && c != '=')
690 || ((c == ' ' || c == '\t')
691 && !is_trailing_space(text))) {
692 /* Things that can stand for themselves */
693 dynstr_append(d, c);
694 ++linelength;
695 } else {
696 /* Anything else that needs encoding */
697 snprintf(buffer, sizeof buffer, "=%02X", c);
698 dynstr_append_string(d, buffer);
699 linelength += 3;
700 }
701 ++text;
702 if(linelength > 73 && *text && *text != '\n') {
703 /* Next character might overflow 76 character limit if encoded, so we
704 * insert a soft break */
705 dynstr_append_string(d, "=\n");
706 linelength = 0;
707 }
708 }
709 /* Ensure there is a final newline */
710 if(linelength)
711 dynstr_append(d, '\n');
712 /* That's all */
713 dynstr_terminate(d);
714 return d->vec;
715}
716
717/** @brief Encode text
718 * @param text Underlying UTF-8 text
719 * @param charsetp Where to store charset string
720 * @param encodingp Where to store encoding string
0590cedc 721 * @return Encoded text (might be @p text)
bb6ae3fb 722 */
723const char *mime_encode_text(const char *text,
724 const char **charsetp,
725 const char **encodingp) {
726 const char *ptr;
727
728 /* See if there are in fact any non-ASCII characters */
729 for(ptr = text; *ptr; ++ptr)
730 if((unsigned char)*ptr >= 128)
731 break;
732 if(!*ptr) {
733 /* Plain old ASCII, no encoding required */
734 *charsetp = "us-ascii";
735 *encodingp = "7bit";
736 return text;
737 }
738 *charsetp = "utf-8";
739 *encodingp = "quoted-printable";
740 return mime_to_qp(text);
741}
742
460b9539 743/*
744Local Variables:
745c-basic-offset:2
746comment-column:40
747fill-column:79
748End:
749*/