NeoMutt  2019-12-07
Teaching an old dog new tricks
DOXYGEN
copy.c
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1 
30 #include "config.h"
31 #include <ctype.h>
32 #include <inttypes.h> // IWYU pragma: keep
33 #include <stdbool.h>
34 #include <string.h>
35 #include "mutt/mutt.h"
36 #include "address/lib.h"
37 #include "email/lib.h"
38 #include "core/lib.h"
39 #include "mutt.h"
40 #include "copy.h"
41 #include "context.h"
42 #include "globals.h"
43 #include "handler.h"
44 #include "hdrline.h"
45 #include "mutt_window.h"
46 #include "mx.h"
47 #include "ncrypt/ncrypt.h"
48 #include "sendlib.h"
49 #include "state.h"
50 #ifdef USE_NOTMUCH
51 #include "muttlib.h"
52 #include "notmuch/mutt_notmuch.h"
53 #endif
54 #ifdef ENABLE_NLS
55 #include <libintl.h>
56 #endif
57 
58 static int address_header_decode(char **h);
59 static int copy_delete_attach(struct Body *b, FILE *fp_in, FILE *fp_out, char *date);
60 
77 int mutt_copy_hdr(FILE *fp_in, FILE *fp_out, LOFF_T off_start, LOFF_T off_end,
78  CopyHeaderFlags chflags, const char *prefix, int wraplen)
79 {
80  bool from = false;
81  bool this_is_from = false;
82  bool ignore = false;
83  char buf[1024]; /* should be long enough to get most fields in one pass */
84  char *nl = NULL;
85  char **headers = NULL;
86  int hdr_count;
87  int x;
88  char *this_one = NULL;
89  size_t this_one_len = 0;
90  int error;
91 
92  if (off_start < 0)
93  return -1;
94 
95  if (ftello(fp_in) != off_start)
96  if (fseeko(fp_in, off_start, SEEK_SET) < 0)
97  return -1;
98 
99  buf[0] = '\n';
100  buf[1] = '\0';
101 
102  if ((chflags & (CH_REORDER | CH_WEED | CH_MIME | CH_DECODE | CH_PREFIX | CH_WEED_DELIVERED)) == 0)
103  {
104  /* Without these flags to complicate things
105  * we can do a more efficient line to line copying */
106  while (ftello(fp_in) < off_end)
107  {
108  nl = strchr(buf, '\n');
109 
110  if (!fgets(buf, sizeof(buf), fp_in))
111  break;
112 
113  /* Is it the beginning of a header? */
114  if (nl && (buf[0] != ' ') && (buf[0] != '\t'))
115  {
116  ignore = true;
117  if (!from && mutt_str_startswith(buf, "From ", CASE_MATCH))
118  {
119  if ((chflags & CH_FROM) == 0)
120  continue;
121  from = true;
122  }
123  else if ((chflags & CH_NOQFROM) && mutt_str_startswith(buf, ">From ", CASE_IGNORE))
124  continue;
125  else if ((buf[0] == '\n') || ((buf[0] == '\r') && (buf[1] == '\n')))
126  break; /* end of header */
127 
128  if ((chflags & (CH_UPDATE | CH_XMIT | CH_NOSTATUS)) &&
129  (mutt_str_startswith(buf, "Status:", CASE_IGNORE) ||
130  mutt_str_startswith(buf, "X-Status:", CASE_IGNORE)))
131  {
132  continue;
133  }
134  if ((chflags & (CH_UPDATE_LEN | CH_XMIT | CH_NOLEN)) &&
135  (mutt_str_startswith(buf, "Content-Length:", CASE_IGNORE) ||
136  mutt_str_startswith(buf, "Lines:", CASE_IGNORE)))
137  {
138  continue;
139  }
140  if ((chflags & CH_UPDATE_REFS) && mutt_str_startswith(buf, "References:", CASE_IGNORE))
141  continue;
142  if ((chflags & CH_UPDATE_IRT) && mutt_str_startswith(buf, "In-Reply-To:", CASE_IGNORE))
143  continue;
144  if (chflags & CH_UPDATE_LABEL && mutt_str_startswith(buf, "X-Label:", CASE_IGNORE))
145  continue;
146  if ((chflags & CH_UPDATE_SUBJECT) && mutt_str_startswith(buf, "Subject:", CASE_IGNORE))
147  continue;
148 
149  ignore = false;
150  }
151 
152  if (!ignore && (fputs(buf, fp_out) == EOF))
153  return -1;
154  }
155  return 0;
156  }
157 
158  hdr_count = 1;
159  x = 0;
160  error = false;
161 
162  /* We are going to read and collect the headers in an array
163  * so we are able to do re-ordering.
164  * First count the number of entries in the array */
165  if (chflags & CH_REORDER)
166  {
167  struct ListNode *np = NULL;
168  STAILQ_FOREACH(np, &HeaderOrderList, entries)
169  {
170  mutt_debug(LL_DEBUG3, "Reorder list: %s\n", np->data);
171  hdr_count++;
172  }
173  }
174 
175  mutt_debug(LL_DEBUG1, "WEED is %sset\n", (chflags & CH_WEED) ? "" : "not ");
176 
177  headers = mutt_mem_calloc(hdr_count, sizeof(char *));
178 
179  /* Read all the headers into the array */
180  while (ftello(fp_in) < off_end)
181  {
182  nl = strchr(buf, '\n');
183 
184  /* Read a line */
185  if (!fgets(buf, sizeof(buf), fp_in))
186  break;
187 
188  /* Is it the beginning of a header? */
189  if (nl && (buf[0] != ' ') && (buf[0] != '\t'))
190  {
191  /* Do we have anything pending? */
192  if (this_one)
193  {
194  if (chflags & CH_DECODE)
195  {
196  if (address_header_decode(&this_one) == 0)
197  rfc2047_decode(&this_one);
198  this_one_len = mutt_str_strlen(this_one);
199 
200  /* Convert CRLF line endings to LF */
201  if ((this_one_len > 2) && (this_one[this_one_len - 2] == '\r') &&
202  (this_one[this_one_len - 1] == '\n'))
203  {
204  this_one[this_one_len - 2] = '\n';
205  this_one[this_one_len - 1] = '\0';
206  }
207  }
208 
209  if (!headers[x])
210  headers[x] = this_one;
211  else
212  {
213  int hlen = mutt_str_strlen(headers[x]);
214 
215  mutt_mem_realloc(&headers[x], hlen + this_one_len + sizeof(char));
216  strcat(headers[x] + hlen, this_one);
217  FREE(&this_one);
218  }
219 
220  this_one = NULL;
221  }
222 
223  ignore = true;
224  this_is_from = false;
225  if (!from && mutt_str_startswith(buf, "From ", CASE_MATCH))
226  {
227  if ((chflags & CH_FROM) == 0)
228  continue;
229  this_is_from = true;
230  from = true;
231  }
232  else if ((buf[0] == '\n') || ((buf[0] == '\r') && (buf[1] == '\n')))
233  break; /* end of header */
234 
235  /* note: CH_FROM takes precedence over header weeding. */
236  if (!((chflags & CH_FROM) && (chflags & CH_FORCE_FROM) && this_is_from) &&
237  (chflags & CH_WEED) && mutt_matches_ignore(buf))
238  {
239  continue;
240  }
241  if ((chflags & CH_WEED_DELIVERED) && mutt_str_startswith(buf, "Delivered-To:", CASE_IGNORE))
242  {
243  continue;
244  }
245  if ((chflags & (CH_UPDATE | CH_XMIT | CH_NOSTATUS)) &&
246  (mutt_str_startswith(buf, "Status:", CASE_IGNORE) ||
247  mutt_str_startswith(buf, "X-Status:", CASE_IGNORE)))
248  {
249  continue;
250  }
251  if ((chflags & (CH_UPDATE_LEN | CH_XMIT | CH_NOLEN)) &&
252  (mutt_str_startswith(buf, "Content-Length:", CASE_IGNORE) ||
253  mutt_str_startswith(buf, "Lines:", CASE_IGNORE)))
254  {
255  continue;
256  }
257  if ((chflags & CH_MIME))
258  {
259  if (mutt_str_startswith(buf, "mime-version:", CASE_IGNORE))
260  {
261  continue;
262  }
263  size_t plen = mutt_str_startswith(buf, "content-", CASE_IGNORE);
264  if ((plen != 0) && (mutt_str_startswith(buf + plen, "transfer-encoding:", CASE_IGNORE) ||
265  mutt_str_startswith(buf + plen, "type:", CASE_IGNORE)))
266  {
267  continue;
268  }
269  }
270  if ((chflags & CH_UPDATE_REFS) && mutt_str_startswith(buf, "References:", CASE_IGNORE))
271  continue;
272  if ((chflags & CH_UPDATE_IRT) && mutt_str_startswith(buf, "In-Reply-To:", CASE_IGNORE))
273  continue;
274  if ((chflags & CH_UPDATE_LABEL) && mutt_str_startswith(buf, "X-Label:", CASE_IGNORE))
275  continue;
276  if ((chflags & CH_UPDATE_SUBJECT) && mutt_str_startswith(buf, "Subject:", CASE_IGNORE))
277  continue;
278 
279  /* Find x -- the array entry where this header is to be saved */
280  if (chflags & CH_REORDER)
281  {
282  struct ListNode *np = NULL;
283  x = 0;
284  STAILQ_FOREACH(np, &HeaderOrderList, entries)
285  {
286  ++x;
287  if (mutt_str_startswith(buf, np->data, CASE_IGNORE))
288  {
289  mutt_debug(LL_DEBUG2, "Reorder: %s matches %s", np->data, buf);
290  break;
291  }
292  }
293  }
294 
295  ignore = false;
296  } /* If beginning of header */
297 
298  if (!ignore)
299  {
300  mutt_debug(LL_DEBUG2, "Reorder: x = %d; hdr_count = %d\n", x, hdr_count);
301  if (this_one)
302  {
303  size_t blen = mutt_str_strlen(buf);
304 
305  mutt_mem_realloc(&this_one, this_one_len + blen + sizeof(char));
306  strcat(this_one + this_one_len, buf);
307  this_one_len += blen;
308  }
309  else
310  {
311  this_one = mutt_str_strdup(buf);
312  this_one_len = mutt_str_strlen(this_one);
313  }
314  }
315  } /* while (ftello (fp_in) < off_end) */
316 
317  /* Do we have anything pending? -- XXX, same code as in above in the loop. */
318  if (this_one)
319  {
320  if (chflags & CH_DECODE)
321  {
322  if (address_header_decode(&this_one) == 0)
323  rfc2047_decode(&this_one);
324  this_one_len = mutt_str_strlen(this_one);
325  }
326 
327  if (!headers[x])
328  headers[x] = this_one;
329  else
330  {
331  int hlen = mutt_str_strlen(headers[x]);
332 
333  mutt_mem_realloc(&headers[x], hlen + this_one_len + sizeof(char));
334  strcat(headers[x] + hlen, this_one);
335  FREE(&this_one);
336  }
337 
338  this_one = NULL;
339  }
340 
341  /* Now output the headers in order */
342  for (x = 0; x < hdr_count; x++)
343  {
344  if (headers[x])
345  {
346  /* We couldn't do the prefixing when reading because RFC2047
347  * decoding may have concatenated lines. */
348  if (chflags & (CH_DECODE | CH_PREFIX))
349  {
350  const char *pre = (chflags & CH_PREFIX) ? prefix : NULL;
351  wraplen = mutt_window_wrap_cols(wraplen, C_Wrap);
352 
353  if (mutt_write_one_header(fp_out, 0, headers[x], pre, wraplen, chflags) == -1)
354  {
355  error = true;
356  break;
357  }
358  }
359  else
360  {
361  if (fputs(headers[x], fp_out) == EOF)
362  {
363  error = true;
364  break;
365  }
366  }
367  }
368  }
369 
370  /* Free in a separate loop to be sure that all headers are freed
371  * in case of error. */
372  for (x = 0; x < hdr_count; x++)
373  FREE(&headers[x]);
374  FREE(&headers);
375 
376  if (error)
377  return -1;
378  return 0;
379 }
380 
392 int mutt_copy_header(FILE *fp_in, struct Email *e, FILE *fp_out,
393  CopyHeaderFlags chflags, const char *prefix, int wraplen)
394 {
395  char *temp_hdr = NULL;
396 
397  if (e->env)
398  {
399  chflags |= ((e->env->changed & MUTT_ENV_CHANGED_IRT) ? CH_UPDATE_IRT : 0) |
403  }
404 
405  if (mutt_copy_hdr(fp_in, fp_out, e->offset, e->content->offset, chflags,
406  prefix, wraplen) == -1)
407  return -1;
408 
409  if (chflags & CH_TXTPLAIN)
410  {
411  char chsbuf[128];
412  char buf[128];
413  fputs("MIME-Version: 1.0\n", fp_out);
414  fputs("Content-Transfer-Encoding: 8bit\n", fp_out);
415  fputs("Content-Type: text/plain; charset=", fp_out);
416  mutt_ch_canonical_charset(chsbuf, sizeof(chsbuf), C_Charset ? C_Charset : "us-ascii");
417  mutt_addr_cat(buf, sizeof(buf), chsbuf, MimeSpecials);
418  fputs(buf, fp_out);
419  fputc('\n', fp_out);
420  }
421 
422  if ((chflags & CH_UPDATE_IRT) && !STAILQ_EMPTY(&e->env->in_reply_to))
423  {
424  fputs("In-Reply-To:", fp_out);
425  struct ListNode *np = NULL;
426  STAILQ_FOREACH(np, &e->env->in_reply_to, entries)
427  {
428  fputc(' ', fp_out);
429  fputs(np->data, fp_out);
430  }
431  fputc('\n', fp_out);
432  }
433 
434  if ((chflags & CH_UPDATE_REFS) && !STAILQ_EMPTY(&e->env->references))
435  {
436  fputs("References:", fp_out);
437  mutt_write_references(&e->env->references, fp_out, 0);
438  fputc('\n', fp_out);
439  }
440 
441  if ((chflags & CH_UPDATE) && ((chflags & CH_NOSTATUS) == 0))
442  {
443  if (e->old || e->read)
444  {
445  fputs("Status: ", fp_out);
446  if (e->read)
447  fputs("RO", fp_out);
448  else if (e->old)
449  fputc('O', fp_out);
450  fputc('\n', fp_out);
451  }
452 
453  if (e->flagged || e->replied)
454  {
455  fputs("X-Status: ", fp_out);
456  if (e->replied)
457  fputc('A', fp_out);
458  if (e->flagged)
459  fputc('F', fp_out);
460  fputc('\n', fp_out);
461  }
462  }
463 
464  if (chflags & CH_UPDATE_LEN && ((chflags & CH_NOLEN) == 0))
465  {
466  fprintf(fp_out, "Content-Length: " OFF_T_FMT "\n", e->content->length);
467  if ((e->lines != 0) || (e->content->length == 0))
468  fprintf(fp_out, "Lines: %d\n", e->lines);
469  }
470 
471 #ifdef USE_NOTMUCH
472  if (chflags & CH_VIRTUAL)
473  {
474  /* Add some fake headers based on notmuch data */
475  char *folder = nm_email_get_folder(e);
476  if (folder && !(C_Weed && mutt_matches_ignore("folder")))
477  {
478  char buf[1024];
479  mutt_str_strfcpy(buf, folder, sizeof(buf));
480  mutt_pretty_mailbox(buf, sizeof(buf));
481 
482  fputs("Folder: ", fp_out);
483  fputs(buf, fp_out);
484  fputc('\n', fp_out);
485  }
486  }
487 #endif
488  char *tags = driver_tags_get(&e->tags);
489  if (tags && !(C_Weed && mutt_matches_ignore("tags")))
490  {
491  fputs("Tags: ", fp_out);
492  fputs(tags, fp_out);
493  fputc('\n', fp_out);
494  }
495  FREE(&tags);
496 
497  if ((chflags & CH_UPDATE_LABEL) && e->env->x_label)
498  {
499  temp_hdr = e->env->x_label;
500  /* env->x_label isn't currently stored with direct references elsewhere.
501  * Context->label_hash strdups the keys. But to be safe, encode a copy */
502  if (!(chflags & CH_DECODE))
503  {
504  temp_hdr = mutt_str_strdup(temp_hdr);
505  rfc2047_encode(&temp_hdr, NULL, sizeof("X-Label:"), C_SendCharset);
506  }
507  if (mutt_write_one_header(fp_out, "X-Label", temp_hdr, (chflags & CH_PREFIX) ? prefix : 0,
508  mutt_window_wrap_cols(wraplen, C_Wrap), chflags) == -1)
509  {
510  return -1;
511  }
512  if (!(chflags & CH_DECODE))
513  FREE(&temp_hdr);
514  }
515 
516  if ((chflags & CH_UPDATE_SUBJECT) && e->env->subject)
517  {
518  temp_hdr = e->env->subject;
519  /* env->subject is directly referenced in Context->subj_hash, so we
520  * have to be careful not to encode (and thus free) that memory. */
521  if (!(chflags & CH_DECODE))
522  {
523  temp_hdr = mutt_str_strdup(temp_hdr);
524  rfc2047_encode(&temp_hdr, NULL, sizeof("Subject:"), C_SendCharset);
525  }
526  if (mutt_write_one_header(fp_out, "Subject", temp_hdr, (chflags & CH_PREFIX) ? prefix : 0,
527  mutt_window_wrap_cols(wraplen, C_Wrap), chflags) == -1)
528  {
529  return -1;
530  }
531  if (!(chflags & CH_DECODE))
532  FREE(&temp_hdr);
533  }
534 
535  if ((chflags & CH_NONEWLINE) == 0)
536  {
537  if (chflags & CH_PREFIX)
538  fputs(prefix, fp_out);
539  fputc('\n', fp_out); /* add header terminator */
540  }
541 
542  if (ferror(fp_out) || feof(fp_out))
543  return -1;
544 
545  return 0;
546 }
547 
558 static int count_delete_lines(FILE *fp, struct Body *b, LOFF_T *length, size_t datelen)
559 {
560  int dellines = 0;
561 
562  if (b->deleted)
563  {
564  fseeko(fp, b->offset, SEEK_SET);
565  for (long l = b->length; l; l--)
566  {
567  const int ch = getc(fp);
568  if (ch == EOF)
569  break;
570  if (ch == '\n')
571  dellines++;
572  }
573  dellines -= 3;
574  *length -= b->length - (84 + datelen);
575  /* Count the number of digits exceeding the first one to write the size */
576  for (long l = 10; b->length >= l; l *= 10)
577  (*length)++;
578  }
579  else
580  {
581  for (b = b->parts; b; b = b->next)
582  dellines += count_delete_lines(fp, b, length, datelen);
583  }
584  return dellines;
585 }
586 
598 int mutt_copy_message_fp(FILE *fp_out, FILE *fp_in, struct Email *e,
599  CopyMessageFlags cmflags, CopyHeaderFlags chflags, int wraplen)
600 {
601  struct Body *body = e->content;
602  char prefix[128];
603  LOFF_T new_offset = -1;
604  int rc = 0;
605 
606  if (cmflags & MUTT_CM_PREFIX)
607  {
608  if (C_TextFlowed)
609  mutt_str_strfcpy(prefix, ">", sizeof(prefix));
610  else
611  mutt_make_string(prefix, sizeof(prefix), wraplen, NONULL(C_IndentString),
612  Context, Context->mailbox, e);
613  }
614 
615  if ((cmflags & MUTT_CM_NOHEADER) == 0)
616  {
617  if (cmflags & MUTT_CM_PREFIX)
618  chflags |= CH_PREFIX;
619  else if (e->attach_del && (chflags & CH_UPDATE_LEN))
620  {
621  int new_lines;
622  LOFF_T new_length = body->length;
623  char date[128];
624 
625  mutt_date_make_date(date, sizeof(date));
626  int dlen = mutt_str_strlen(date);
627  if (dlen == 0)
628  return -1;
629 
630  date[5] = '\"';
631  date[dlen - 1] = '\"';
632 
633  /* Count the number of lines and bytes to be deleted */
634  fseeko(fp_in, body->offset, SEEK_SET);
635  new_lines = e->lines - count_delete_lines(fp_in, body, &new_length, dlen);
636 
637  /* Copy the headers */
638  if (mutt_copy_header(fp_in, e, fp_out, chflags | CH_NOLEN | CH_NONEWLINE, NULL, wraplen))
639  return -1;
640  fprintf(fp_out, "Content-Length: " OFF_T_FMT "\n", new_length);
641  if (new_lines <= 0)
642  new_lines = 0;
643  else
644  fprintf(fp_out, "Lines: %d\n", new_lines);
645 
646  putc('\n', fp_out);
647  if (ferror(fp_out) || feof(fp_out))
648  return -1;
649  new_offset = ftello(fp_out);
650 
651  /* Copy the body */
652  if (fseeko(fp_in, body->offset, SEEK_SET) < 0)
653  return -1;
654  if (copy_delete_attach(body, fp_in, fp_out, date))
655  return -1;
656 
657  LOFF_T fail = ((ftello(fp_out) - new_offset) - new_length);
658  if (fail)
659  {
660  mutt_error(ngettext("The length calculation was wrong by %ld byte",
661  "The length calculation was wrong by %ld bytes", fail),
662  fail);
663  new_length += fail;
664  }
665 
666  /* Update original message if we are sync'ing a mailfolder */
667  if (cmflags & MUTT_CM_UPDATE)
668  {
669  e->attach_del = false;
670  e->lines = new_lines;
671  body->offset = new_offset;
672 
673  /* update the total size of the mailbox to reflect this deletion */
674  Context->mailbox->size -= body->length - new_length;
675  /* if the message is visible, update the visible size of the mailbox as well. */
676  if (Context->mailbox->v2r[e->msgno] != -1)
677  Context->vsize -= body->length - new_length;
678 
679  body->length = new_length;
680  mutt_body_free(&body->parts);
681  }
682 
683  return 0;
684  }
685 
686  if (mutt_copy_header(fp_in, e, fp_out, chflags,
687  (chflags & CH_PREFIX) ? prefix : NULL, wraplen) == -1)
688  {
689  return -1;
690  }
691 
692  new_offset = ftello(fp_out);
693  }
694 
695  if (cmflags & MUTT_CM_DECODE)
696  {
697  /* now make a text/plain version of the message */
698  struct State s = { 0 };
699  s.fp_in = fp_in;
700  s.fp_out = fp_out;
701  if (cmflags & MUTT_CM_PREFIX)
702  s.prefix = prefix;
703  if (cmflags & MUTT_CM_DISPLAY)
704  {
705  s.flags |= MUTT_DISPLAY;
706  s.wraplen = wraplen;
707  }
708  if (cmflags & MUTT_CM_PRINTING)
709  s.flags |= MUTT_PRINTING;
710  if (cmflags & MUTT_CM_WEED)
711  s.flags |= MUTT_WEED;
712  if (cmflags & MUTT_CM_CHARCONV)
713  s.flags |= MUTT_CHARCONV;
714  if (cmflags & MUTT_CM_REPLYING)
715  s.flags |= MUTT_REPLYING;
716 
717  if ((WithCrypto != 0) && cmflags & MUTT_CM_VERIFY)
718  s.flags |= MUTT_VERIFY;
719 
720  rc = mutt_body_handler(body, &s);
721  }
722  else if ((WithCrypto != 0) && (cmflags & MUTT_CM_DECODE_CRYPT) && (e->security & SEC_ENCRYPT))
723  {
724  struct Body *cur = NULL;
725  FILE *fp = NULL;
726 
727  if (((WithCrypto & APPLICATION_PGP) != 0) && (cmflags & MUTT_CM_DECODE_PGP) &&
728  (e->security & APPLICATION_PGP) && (e->content->type == TYPE_MULTIPART))
729  {
730  if (crypt_pgp_decrypt_mime(fp_in, &fp, e->content, &cur))
731  return -1;
732  fputs("MIME-Version: 1.0\n", fp_out);
733  }
734 
735  if (((WithCrypto & APPLICATION_SMIME) != 0) && (cmflags & MUTT_CM_DECODE_SMIME) &&
736  (e->security & APPLICATION_SMIME) && (e->content->type == TYPE_APPLICATION))
737  {
738  if (crypt_smime_decrypt_mime(fp_in, &fp, e->content, &cur))
739  return -1;
740  }
741 
742  if (!cur)
743  {
744  mutt_error(_("No decryption engine available for message"));
745  return -1;
746  }
747 
748  mutt_write_mime_header(cur, fp_out);
749  fputc('\n', fp_out);
750 
751  if (fseeko(fp, cur->offset, SEEK_SET) < 0)
752  return -1;
753  if (mutt_file_copy_bytes(fp, fp_out, cur->length) == -1)
754  {
755  mutt_file_fclose(&fp);
756  mutt_body_free(&cur);
757  return -1;
758  }
759  mutt_body_free(&cur);
760  mutt_file_fclose(&fp);
761  }
762  else
763  {
764  if (fseeko(fp_in, body->offset, SEEK_SET) < 0)
765  return -1;
766  if (cmflags & MUTT_CM_PREFIX)
767  {
768  int c;
769  size_t bytes = body->length;
770 
771  fputs(prefix, fp_out);
772 
773  while (((c = fgetc(fp_in)) != EOF) && bytes--)
774  {
775  fputc(c, fp_out);
776  if (c == '\n')
777  {
778  fputs(prefix, fp_out);
779  }
780  }
781  }
782  else if (mutt_file_copy_bytes(fp_in, fp_out, body->length) == -1)
783  return -1;
784  }
785 
786  if ((cmflags & MUTT_CM_UPDATE) && ((cmflags & MUTT_CM_NOHEADER) == 0) &&
787  (new_offset != -1))
788  {
789  body->offset = new_offset;
790  mutt_body_free(&body->parts);
791  }
792 
793  return rc;
794 }
795 
810 int mutt_copy_message(FILE *fp_out, struct Mailbox *m, struct Email *e,
811  CopyMessageFlags cmflags, CopyHeaderFlags chflags, int wraplen)
812 {
813  struct Message *msg = mx_msg_open(m, e->msgno);
814  if (!msg)
815  return -1;
816  if (!e->content)
817  return -1;
818  int rc = mutt_copy_message_fp(fp_out, msg->fp, e, cmflags, chflags, wraplen);
819  if ((rc == 0) && (ferror(fp_out) || feof(fp_out)))
820  {
821  mutt_debug(LL_DEBUG1, "failed to detect EOF!\n");
822  rc = -1;
823  }
824  mx_msg_close(m, &msg);
825  return rc;
826 }
827 
839 static int append_message(struct Mailbox *dest, FILE *fp_in, struct Mailbox *src,
840  struct Email *e, CopyMessageFlags cmflags, CopyHeaderFlags chflags)
841 {
842  char buf[256];
843  struct Message *msg = NULL;
844  int rc;
845 
846  if (fseeko(fp_in, e->offset, SEEK_SET) < 0)
847  return -1;
848  if (!fgets(buf, sizeof(buf), fp_in))
849  return -1;
850 
851  msg = mx_msg_open_new(dest, e, is_from(buf, NULL, 0, NULL) ? MUTT_MSG_NO_FLAGS : MUTT_ADD_FROM);
852  if (!msg)
853  return -1;
854  if ((dest->magic == MUTT_MBOX) || (dest->magic == MUTT_MMDF))
855  chflags |= CH_FROM | CH_FORCE_FROM;
856  chflags |= ((dest->magic == MUTT_MAILDIR) ? CH_NOSTATUS : CH_UPDATE);
857  rc = mutt_copy_message_fp(msg->fp, fp_in, e, cmflags, chflags, 0);
858  if (mx_msg_commit(dest, msg) != 0)
859  rc = -1;
860 
861 #ifdef USE_NOTMUCH
862  if (msg->committed_path && (dest->magic == MUTT_MAILDIR) && (src->magic == MUTT_NOTMUCH))
863  nm_update_filename(src, NULL, msg->committed_path, e);
864 #endif
865 
866  mx_msg_close(dest, &msg);
867  return rc;
868 }
869 
880 int mutt_append_message(struct Mailbox *dest, struct Mailbox *src, struct Email *e,
881  CopyMessageFlags cmflags, CopyHeaderFlags chflags)
882 {
883  struct Message *msg = mx_msg_open(src, e->msgno);
884  if (!msg)
885  return -1;
886  int rc = append_message(dest, msg->fp, src, e, cmflags, chflags);
887  mx_msg_close(src, &msg);
888  return rc;
889 }
890 
904 static int copy_delete_attach(struct Body *b, FILE *fp_in, FILE *fp_out, char *date)
905 {
906  struct Body *part = NULL;
907 
908  for (part = b->parts; part; part = part->next)
909  {
910  if (part->deleted || part->parts)
911  {
912  /* Copy till start of this part */
913  if (mutt_file_copy_bytes(fp_in, fp_out, part->hdr_offset - ftello(fp_in)))
914  return -1;
915 
916  if (part->deleted)
917  {
918  fprintf(
919  fp_out,
920  "Content-Type: message/external-body; access-type=x-mutt-deleted;\n"
921  "\texpiration=%s; length=" OFF_T_FMT "\n"
922  "\n",
923  date + 5, part->length);
924  if (ferror(fp_out))
925  return -1;
926 
927  /* Copy the original mime headers */
928  if (mutt_file_copy_bytes(fp_in, fp_out, part->offset - ftello(fp_in)))
929  return -1;
930 
931  /* Skip the deleted body */
932  fseeko(fp_in, part->offset + part->length, SEEK_SET);
933  }
934  else
935  {
936  if (copy_delete_attach(part, fp_in, fp_out, date))
937  return -1;
938  }
939  }
940  }
941 
942  /* Copy the last parts */
943  if (mutt_file_copy_bytes(fp_in, fp_out, b->offset + b->length - ftello(fp_in)))
944  return -1;
945 
946  return 0;
947 }
948 
960 static void format_address_header(char **h, struct AddressList *al)
961 {
962  char buf[8192];
963  char cbuf[256];
964  char c2buf[256];
965  char *p = NULL;
966  size_t linelen, buflen, plen;
967 
968  linelen = mutt_str_strlen(*h);
969  plen = linelen;
970  buflen = linelen + 3;
971 
972  mutt_mem_realloc(h, buflen);
973  struct Address *first = TAILQ_FIRST(al);
974  struct Address *a = NULL;
975  TAILQ_FOREACH(a, al, entries)
976  {
977  *buf = '\0';
978  *cbuf = '\0';
979  *c2buf = '\0';
980  const size_t l = mutt_addr_write(buf, sizeof(buf), a, false);
981 
982  if (a != first && (linelen + l > 74))
983  {
984  strcpy(cbuf, "\n\t");
985  linelen = l + 8;
986  }
987  else
988  {
989  if (a->mailbox)
990  {
991  strcpy(cbuf, " ");
992  linelen++;
993  }
994  linelen += l;
995  }
996  if (!a->group && TAILQ_NEXT(a, entries) && TAILQ_NEXT(a, entries)->mailbox)
997  {
998  linelen++;
999  buflen++;
1000  strcpy(c2buf, ",");
1001  }
1002 
1003  const size_t cbuflen = mutt_str_strlen(cbuf);
1004  const size_t c2buflen = mutt_str_strlen(c2buf);
1005  buflen += l + cbuflen + c2buflen;
1006  mutt_mem_realloc(h, buflen);
1007  p = *h;
1008  strcat(p + plen, cbuf);
1009  plen += cbuflen;
1010  strcat(p + plen, buf);
1011  plen += l;
1012  strcat(p + plen, c2buf);
1013  plen += c2buflen;
1014  }
1015 
1016  /* Space for this was allocated in the beginning of this function. */
1017  strcat(p + plen, "\n");
1018 }
1019 
1026 static int address_header_decode(char **h)
1027 {
1028  char *s = *h;
1029  size_t l;
1030  bool rp = false;
1031 
1032  switch (tolower((unsigned char) *s))
1033  {
1034  case 'b':
1035  {
1036  if (!(l = mutt_str_startswith(s, "bcc:", CASE_IGNORE)))
1037  return 0;
1038  break;
1039  }
1040  case 'c':
1041  {
1042  if (!(l = mutt_str_startswith(s, "cc:", CASE_IGNORE)))
1043  return 0;
1044  break;
1045  }
1046  case 'f':
1047  {
1048  if (!(l = mutt_str_startswith(s, "from:", CASE_IGNORE)))
1049  return 0;
1050  break;
1051  }
1052  case 'm':
1053  {
1054  if (!(l = mutt_str_startswith(s, "mail-followup-to:", CASE_IGNORE)))
1055  return 0;
1056  break;
1057  }
1058  case 'r':
1059  {
1060  if ((l = mutt_str_startswith(s, "return-path:", CASE_IGNORE)))
1061  {
1062  rp = true;
1063  break;
1064  }
1065  else if ((l = mutt_str_startswith(s, "reply-to:", CASE_IGNORE)))
1066  {
1067  break;
1068  }
1069  return 0;
1070  }
1071  case 's':
1072  {
1073  if (!(l = mutt_str_startswith(s, "sender:", CASE_IGNORE)))
1074  return 0;
1075  break;
1076  }
1077  case 't':
1078  {
1079  if (!(l = mutt_str_startswith(s, "to:", CASE_IGNORE)))
1080  return 0;
1081  break;
1082  }
1083  default:
1084  return 0;
1085  }
1086 
1087  struct AddressList al = TAILQ_HEAD_INITIALIZER(al);
1088  mutt_addrlist_parse(&al, s + l);
1089  if (TAILQ_EMPTY(&al))
1090  return 0;
1091 
1094  struct Address *a = NULL;
1095  TAILQ_FOREACH(a, &al, entries)
1096  {
1097  if (a->personal)
1098  {
1100  }
1101  }
1102 
1103  /* angle brackets for return path are mandated by RFC5322,
1104  * so leave Return-Path as-is */
1105  if (rp)
1106  *h = mutt_str_strdup(s);
1107  else
1108  {
1109  *h = mutt_mem_calloc(1, l + 2);
1110  mutt_str_strfcpy(*h, s, l + 1);
1111  format_address_header(h, &al);
1112  }
1113 
1114  mutt_addrlist_clear(&al);
1115 
1116  FREE(&s);
1117  return 1;
1118 }
#define MUTT_CM_DECODE_CRYPT
Definition: copy.h:47
#define MUTT_MSG_NO_FLAGS
No flags are set.
Definition: mx.h:63
bool mutt_matches_ignore(const char *s)
Does the string match the ignore list.
Definition: parse.c:309
The "current" mailbox.
Definition: context.h:36
Notmuch virtual mailbox type.
#define CH_MIME
Ignore MIME fields.
Definition: copy.h:60
#define MUTT_DISPLAY
Output is displayed to the user.
Definition: state.h:32
int lines
How many lines in the body of this message?
Definition: email.h:84
#define NONULL(x)
Definition: string2.h:37
void * mutt_mem_calloc(size_t nmemb, size_t size)
Allocate zeroed memory on the heap.
Definition: memory.c:50
off_t size
Size of the Mailbox.
Definition: mailbox.h:98
The envelope/body of an email.
Definition: email.h:37
static void format_address_header(char **h, struct AddressList *al)
Write address headers to a buffer.
Definition: copy.c:960
#define TAILQ_FIRST(head)
Definition: queue.h:717
void rfc2047_decode_addrlist(struct AddressList *al)
Decode any RFC2047 headers in an Address list.
Definition: rfc2047.c:770
#define TAILQ_FOREACH(var, head, field)
Definition: queue.h:719
Window management.
static int copy_delete_attach(struct Body *b, FILE *fp_in, FILE *fp_out, char *date)
Copy a message, deleting marked attachments.
Definition: copy.c:904
WHERE char * C_IndentString
Config: String used to indent &#39;reply&#39; text.
Definition: globals.h:136
#define MUTT_CHARCONV
Do character set conversions.
Definition: state.h:36
Structs that make up an email.
String processing routines to generate the mail index.
The "currently-open" mailbox.
int mutt_addrlist_parse(struct AddressList *al, const char *s)
Parse a list of email addresses.
Definition: address.c:457
int mutt_addrlist_to_local(struct AddressList *al)
Convert an Address list from Punycode.
Definition: address.c:1298
void mutt_addrlist_clear(struct AddressList *al)
Unlink and free all Address in an AddressList.
Definition: address.c:1381
#define MUTT_CM_UPDATE
Update structs on sync.
Definition: copy.h:39
#define mutt_make_string(BUF, BUFLEN, COLS, S, CTX, M, E)
Definition: hdrline.h:61
static size_t plen
Length of cached packet.
Definition: pgppacket.c:39
bool attach_del
Has an attachment marked for deletion.
Definition: email.h:49
struct Body * content
List of MIME parts.
Definition: email.h:90
#define MUTT_CM_WEED
Weed message/rfc822 attachment headers.
Definition: copy.h:40
char * prefix
String to add to the beginning of each output line.
Definition: state.h:48
int mutt_copy_message(FILE *fp_out, struct Mailbox *m, struct Email *e, CopyMessageFlags cmflags, CopyHeaderFlags chflags, int wraplen)
Copy a message from a Mailbox.
Definition: copy.c:810
LOFF_T offset
offset where the actual data begins
Definition: body.h:44
#define CH_FROM
Retain the "From " message separator?
Definition: copy.h:55
#define _(a)
Definition: message.h:28
static int count_delete_lines(FILE *fp, struct Body *b, LOFF_T *length, size_t datelen)
Count lines to be deleted in this email body.
Definition: copy.c:558
WHERE short C_Wrap
Config: Width to wrap text in the pager.
Definition: globals.h:153
struct Body * next
next attachment in the list
Definition: body.h:53
#define CH_NOSTATUS
Suppress the status and x-status fields.
Definition: copy.h:57
An email address.
Definition: address.h:34
FILE * fp_out
File to write to.
Definition: state.h:47
#define CH_UPDATE
Update the status and x-status fields?
Definition: copy.h:51
char * mailbox
Mailbox and host address.
Definition: address.h:37
Match case when comparing strings.
Definition: string2.h:67
size_t mutt_str_strlen(const char *a)
Calculate the length of a string, safely.
Definition: string.c:666
uint16_t CopyMessageFlags
Flags for mutt_copy_message(), e.g. MUTT_CM_NOHEADER.
Definition: copy.h:31
#define CH_UPDATE_REFS
Update References:
Definition: copy.h:68
#define MUTT_PRINTING
Are we printing? - MUTT_DISPLAY "light".
Definition: state.h:37
#define SEC_ENCRYPT
Email is encrypted.
Definition: ncrypt.h:122
#define MUTT_CM_PRINTING
Printing the message - display light.
Definition: copy.h:42
FILE * fp_in
File to read from.
Definition: state.h:46
#define MUTT_ENV_CHANGED_SUBJECT
Protected header update.
Definition: envelope.h:35
#define MUTT_CM_REPLYING
Replying the message.
Definition: copy.h:43
char * mutt_date_make_date(char *buf, size_t buflen)
Write a date in RFC822 format to a buffer.
Definition: date.c:372
The body of an email.
Definition: body.h:34
Hundreds of global variables to back the user variables.
Email Address Handling.
unsigned char changed
Changed fields, e.g. MUTT_ENV_CHANGED_SUBJECT.
Definition: envelope.h:88
Some miscellaneous functions.
#define CH_WEED_DELIVERED
Weed eventual Delivered-To headers.
Definition: copy.h:64
StateFlags flags
Flags, e.g. MUTT_DISPLAY.
Definition: state.h:49
int mx_msg_close(struct Mailbox *m, struct Message **msg)
Close a message.
Definition: mx.c:1142
bool read
Email is read.
Definition: email.h:51
char * C_SendCharset
Config: Character sets for outgoing mail.
Definition: email_globals.c:38
struct ListHead in_reply_to
in-reply-to header content
Definition: envelope.h:82
static int append_message(struct Mailbox *dest, FILE *fp_in, struct Mailbox *src, struct Email *e, CopyMessageFlags cmflags, CopyHeaderFlags chflags)
appends a copy of the given message to a mailbox
Definition: copy.c:839
char * nm_email_get_folder(struct Email *e)
Get the folder for a Email.
struct Mailbox * mailbox
Definition: context.h:50
#define MUTT_CM_DISPLAY
Output is displayed to the user.
Definition: copy.h:38
Log at debug level 2.
Definition: logging.h:41
API for mailboxes.
bool old
Email is seen, but unread.
Definition: email.h:50
static int address_header_decode(char **h)
Parse an email&#39;s headers.
Definition: copy.c:1026
void rfc2047_decode(char **pd)
Decode any RFC2047-encoded header fields.
Definition: rfc2047.c:651
enum MailboxType magic
Mailbox type.
Definition: mailbox.h:116
#define CH_WEED
Weed the headers?
Definition: copy.h:52
int mutt_file_fclose(FILE **fp)
Close a FILE handle (and NULL the pointer)
Definition: file.c:152
struct Envelope * env
Envelope information.
Definition: email.h:89
Convenience wrapper for the core headers.
void mutt_ch_canonical_charset(char *buf, size_t buflen, const char *name)
Canonicalise the charset of a string.
Definition: charset.c:345
#define CH_VIRTUAL
Write virtual header lines too.
Definition: copy.h:72
int wraplen
Width to wrap lines to (when flags & MUTT_DISPLAY)
Definition: state.h:50
struct Message * mx_msg_open_new(struct Mailbox *m, struct Email *e, MsgOpenFlags flags)
Open a new message.
Definition: mx.c:1011
size_t mutt_addr_write(char *buf, size_t buflen, struct Address *addr, bool display)
Write a single Address to a buffer.
Definition: address.c:1015
struct TagList tags
For drivers that support server tagging.
Definition: email.h:102
&#39;Maildir&#39; Mailbox type
Definition: mailbox.h:50
void mutt_mem_realloc(void *ptr, size_t size)
Resize a block of memory on the heap.
Definition: memory.c:114
#define CH_FORCE_FROM
Give CH_FROM precedence over CH_WEED?
Definition: copy.h:65
#define CH_TXTPLAIN
Generate text/plain MIME headers.
Definition: copy.h:62
off_t vsize
Definition: context.h:38
#define CH_UPDATE_LABEL
Update X-Label: from email->env->x_label?
Definition: copy.h:70
#define MUTT_CM_PREFIX
Quote the header and body.
Definition: copy.h:36
#define MUTT_ENV_CHANGED_XLABEL
X-Label edited.
Definition: envelope.h:34
void mutt_write_references(const struct ListHead *r, FILE *fp, size_t trim)
Add the message references to a list.
Definition: sendlib.c:1842
A local copy of an email.
Definition: mx.h:81
#define CH_UPDATE_IRT
Update In-Reply-To:
Definition: copy.h:67
LOFF_T length
length (in bytes) of attachment
Definition: body.h:45
A mailbox.
Definition: mailbox.h:92
#define MUTT_CM_DECODE
Decode the message body into text/plain.
Definition: copy.h:37
char * driver_tags_get(struct TagList *list)
Get tags.
Definition: tags.c:142
#define MUTT_VERIFY
Perform signature verification.
Definition: state.h:33
#define CH_REORDER
Re-order output of headers (specified by &#39;hdr_order&#39;)
Definition: copy.h:58
const char MimeSpecials[]
Characters that need special treatment in MIME.
Definition: mime.c:67
#define MUTT_CM_CHARCONV
Perform character set conversions.
Definition: copy.h:41
#define CH_DECODE
Do RFC2047 header decoding.
Definition: copy.h:53
#define CH_XMIT
Transmitting this message? (Ignore Lines: and Content-Length:)
Definition: copy.h:54
struct Body * parts
parts of a multipart or message/rfc822
Definition: body.h:54
&#39;mmdf&#39; Mailbox type
Definition: mailbox.h:48
size_t mutt_str_strfcpy(char *dest, const char *src, size_t dsize)
Copy a string into a buffer (guaranteeing NUL-termination)
Definition: string.c:750
#define MUTT_WEED
Weed headers even when not in display mode.
Definition: state.h:35
int mutt_window_wrap_cols(int width, short wrap)
Calculate the wrap column for a given screen width.
Definition: mutt_window.c:351
int crypt_smime_decrypt_mime(FILE *fp_in, FILE **fp_out, struct Body *b, struct Body **cur)
Wrapper for CryptModuleSpecs::decrypt_mime()
Definition: cryptglue.c:426
Ignore case when comparing strings.
Definition: string2.h:68
#define CH_UPDATE_LEN
Update Lines: and Content-Length:
Definition: copy.h:61
void mutt_str_dequote_comment(char *s)
Un-escape characters in an email address comment.
Definition: string.c:881
API for encryption/signing of emails.
void mutt_pretty_mailbox(char *buf, size_t buflen)
Shorten a mailbox path using &#39;~&#39; or &#39;=&#39;.
Definition: muttlib.c:628
int mutt_file_copy_bytes(FILE *fp_in, FILE *fp_out, size_t size)
Copy some content from one file to another.
Definition: file.c:240
#define STAILQ_FOREACH(var, head, field)
Definition: queue.h:350
#define MUTT_CM_VERIFY
Do signature verification.
Definition: copy.h:46
#define CH_NOLEN
Don&#39;t write Content-Length: and Lines:
Definition: copy.h:63
SecurityFlags security
bit 0-10: flags, bit 11,12: application, bit 13: traditional pgp See: ncrypt/ncrypt.h pgplib.h, smime.h
Definition: email.h:39
#define CH_UPDATE_SUBJECT
Update Subject: protected header update.
Definition: copy.h:71
void rfc2047_encode(char **pd, const char *specials, int col, const char *charsets)
RFC-2047-encode a string.
Definition: rfc2047.c:627
unsigned int type
content-type primary type
Definition: body.h:65
&#39;Notmuch&#39; (virtual) Mailbox type
Definition: mailbox.h:53
LOFF_T offset
Where in the stream does this message begin?
Definition: email.h:83
&#39;mbox&#39; Mailbox type
Definition: mailbox.h:47
#define APPLICATION_PGP
Use PGP to encrypt/sign.
Definition: ncrypt.h:134
size_t mutt_str_startswith(const char *str, const char *prefix, enum CaseSensitivity cs)
Check whether a string starts with a prefix.
Definition: string.c:168
char * committed_path
the final path generated by mx_msg_commit()
Definition: mx.h:85
char * personal
Real name of address.
Definition: address.h:36
#define MUTT_CM_DECODE_SMIME
Used for decoding S/MIME messages.
Definition: copy.h:45
int * v2r
Mapping from virtual to real msgno.
Definition: mailbox.h:112
Keep track when processing files.
#define CH_NOQFROM
Ignore ">From " line.
Definition: copy.h:66
bool deleted
Attachment marked for deletion.
Definition: body.h:71
WHERE bool C_TextFlowed
Config: Generate &#39;format=flowed&#39; messages.
Definition: globals.h:265
int crypt_pgp_decrypt_mime(FILE *fp_in, FILE **fp_out, struct Body *b, struct Body **cur)
Wrapper for CryptModuleSpecs::decrypt_mime()
Definition: cryptglue.c:203
char * data
String.
Definition: list.h:35
char * subject
Email&#39;s subject.
Definition: envelope.h:66
Type: &#39;multipart/*&#39;.
Definition: mime.h:37
Duplicate the structure of an entire email.
Log at debug level 1.
Definition: logging.h:40
bool group
Group mailbox?
Definition: address.h:38
bool flagged
Marked important?
Definition: email.h:43
char * mutt_str_strdup(const char *str)
Copy a string, safely.
Definition: string.c:380
uint32_t CopyHeaderFlags
Flags for mutt_copy_header(), e.g. CH_UPDATE.
Definition: copy.h:49
int mutt_copy_header(FILE *fp_in, struct Email *e, FILE *fp_out, CopyHeaderFlags chflags, const char *prefix, int wraplen)
Copy Email header.
Definition: copy.c:392
#define mutt_error(...)
Definition: logging.h:84
bool replied
Email has been replied to.
Definition: email.h:54
int mx_msg_commit(struct Mailbox *m, struct Message *msg)
Commit a message to a folder - Wrapper for MxOps::msg_commit()
Definition: mx.c:1121
int mutt_copy_hdr(FILE *fp_in, FILE *fp_out, LOFF_T off_start, LOFF_T off_end, CopyHeaderFlags chflags, const char *prefix, int wraplen)
Copy header from one file to another.
Definition: copy.c:77
int mutt_append_message(struct Mailbox *dest, struct Mailbox *src, struct Email *e, CopyMessageFlags cmflags, CopyHeaderFlags chflags)
Append a message.
Definition: copy.c:880
FILE * fp
pointer to the message data
Definition: mx.h:83
#define MUTT_CM_DECODE_PGP
Used for decoding PGP messages.
Definition: copy.h:44
#define FREE(x)
Definition: memory.h:40
#define MUTT_REPLYING
Are we replying?
Definition: state.h:38
int mutt_write_mime_header(struct Body *a, FILE *fp)
Create a MIME header.
Definition: sendlib.c:396
Keep track when processing files.
Definition: state.h:44
#define STAILQ_EMPTY(head)
Definition: queue.h:346
char * C_Charset
Config: Default character set for displaying text on screen.
Definition: charset.c:54
int mutt_body_handler(struct Body *b, struct State *s)
Handler for the Body of an email.
Definition: handler.c:1550
bool is_from(const char *s, char *path, size_t pathlen, time_t *tp)
Is a string a &#39;From&#39; header line?
Definition: from.c:50
#define TAILQ_NEXT(elm, field)
Definition: queue.h:816
#define MUTT_ENV_CHANGED_REFS
References changed to break thread.
Definition: envelope.h:33
#define mutt_debug(LEVEL,...)
Definition: logging.h:81
Miscellaneous functions for sending an email.
long hdr_offset
Offset in stream where the headers begin.
Definition: body.h:42
void mutt_body_free(struct Body **ptr)
Free a Body.
Definition: body.c:57
#define MUTT_ENV_CHANGED_IRT
In-Reply-To changed to link/break threads.
Definition: envelope.h:32
#define TAILQ_EMPTY(head)
Definition: queue.h:715
int mutt_copy_message_fp(FILE *fp_out, FILE *fp_in, struct Email *e, CopyMessageFlags cmflags, CopyHeaderFlags chflags, int wraplen)
make a copy of a message from a FILE pointer
Definition: copy.c:598
#define MUTT_CM_NOHEADER
Don&#39;t copy the message header.
Definition: copy.h:35
struct ListHead references
message references (in reverse order)
Definition: envelope.h:81
A List node for strings.
Definition: list.h:33
#define MUTT_ADD_FROM
add a From_ line
Definition: mx.h:64
#define TAILQ_HEAD_INITIALIZER(head)
Definition: queue.h:631
Decide how to display email content.
int nm_update_filename(struct Mailbox *m, const char *old_file, const char *new_file, struct Email *e)
Change the filename.
char * x_label
X-Label.
Definition: envelope.h:72
#define WithCrypto
Definition: ncrypt.h:160
#define CH_PREFIX
Quote header using C_IndentString string?
Definition: copy.h:56
Convenience wrapper for the library headers.
void mutt_addr_cat(char *buf, size_t buflen, const char *value, const char *specials)
Copy a string and wrap it in quotes if it contains special characters.
Definition: address.c:671
int mutt_write_one_header(FILE *fp, const char *tag, const char *value, const char *pfx, int wraplen, CopyHeaderFlags chflags)
Write one header line to a file.
Definition: sendlib.c:2163
struct Message * mx_msg_open(struct Mailbox *m, int msgno)
return a stream pointer for a message
Definition: mx.c:1094
Type: &#39;application/*&#39;.
Definition: mime.h:33
Log at debug level 3.
Definition: logging.h:42
#define CH_NONEWLINE
Don&#39;t output terminating newline after the header.
Definition: copy.h:59
bool C_Weed
Config: Filter headers when displaying/forwarding/printing/replying.
Definition: email_globals.c:40
int msgno
Number displayed to the user.
Definition: email.h:86
#define APPLICATION_SMIME
Use SMIME to encrypt/sign.
Definition: ncrypt.h:135