Пример #1
0
/**
 * icmd_version - Parse 'version' command - Implements ::icommand_t
 */
static enum CommandResult icmd_version(struct Buffer *buf, struct Buffer *s,
                                       unsigned long data, struct Buffer *err)
{
  char tempfile[PATH_MAX];
  mutt_mktemp(tempfile, sizeof(tempfile));

  FILE *fp_out = mutt_file_fopen(tempfile, "w");
  if (!fp_out)
  {
    mutt_buffer_addstr(err, _("Could not create temporary file"));
    return MUTT_CMD_ERROR;
  }

  print_version(fp_out);
  mutt_file_fclose(&fp_out);

  struct Pager info = { 0 };
  if (mutt_pager("version", tempfile, 0, &info) == -1)
  {
    mutt_buffer_addstr(err, _("Could not create temporary file"));
    return MUTT_CMD_ERROR;
  }

  return MUTT_CMD_SUCCESS;
}
Пример #2
0
static void set_path (CONTEXT * ctx)
{
    char tmppath[_POSIX_PATH_MAX];

    /* Setup the right paths */
    ctx->realpath = ctx->path;

    /* Uncompress to /tmp */
    mutt_mktemp (tmppath);
    ctx->path = mem_malloc (str_len (tmppath) + 1);
    strcpy (ctx->path, tmppath);
}
Пример #3
0
/*
 * This routine does RfC3676 space stuffing since it's a MUST.
 * Space stuffing means that we have to add leading spaces to
 * certain lines:
 *   - lines starting with a space
 *   - lines starting with 'From '
 * This routine is only called once right after editing the
 * initial message so it's up to the user to take care of stuffing
 * when editing the message several times before actually sending it
 *
 * This is more or less a hack as it replaces the message's content with
 * a freshly created copy in a tempfile and modifies the file's mtime
 * so we don't trigger code paths watching for mtime changes
 */
void rfc3676_space_stuff (HEADER* hdr)
{
#if DEBUG
  int lc = 0;
  size_t len = 0;
  unsigned char c = '\0';
#endif
  FILE *in = NULL, *out = NULL;
  char buf[LONG_STRING];
  char tmpfile[_POSIX_PATH_MAX];

  if (!hdr || !hdr->content || !hdr->content->filename)
    return;

  dprint (2, (debugfile, "f=f: postprocess %s\n", hdr->content->filename));

  if ((in = safe_fopen (hdr->content->filename, "r")) == NULL)
    return;

  mutt_mktemp (tmpfile, sizeof (tmpfile));
  if ((out = safe_fopen (tmpfile, "w+")) == NULL)
  {
    safe_fclose (&in);
    return;
  }

  while (fgets (buf, sizeof (buf), in))
  {
    if (ascii_strncmp ("From ", buf, 5) == 0 || buf[0] == ' ') {
      fputc (' ', out);
#if DEBUG
      lc++;
      len = mutt_strlen (buf);
      if (len > 0)
      {
        c = buf[len-1];
        buf[len-1] = '\0';
      }
      dprint (4, (debugfile, "f=f: line %d needs space-stuffing: '%s'\n",
                  lc, buf));
      if (len > 0)
        buf[len-1] = c;
#endif
    }
    fputs (buf, out);
  }
  safe_fclose (&in);
  safe_fclose (&out);
  mutt_set_mtime (hdr->content->filename, tmpfile);
  unlink (hdr->content->filename);
  mutt_str_replace (&hdr->content->filename, tmpfile);
}
Пример #4
0
void mutt_help (int menu)
{
  char t[_POSIX_PATH_MAX];
  char buf[SHORT_STRING];
  const char *desc;
  FILE *f;
  const struct binding_t *funcs;

  mutt_mktemp (t, sizeof (t));

  funcs = km_get_table (menu);
  desc = mutt_getnamebyvalue (menu, Menus);
  if (!desc)
    desc = _("<UNKNOWN>");
  
  do {
    if ((f = safe_fopen (t, "w")) == NULL)
    {
      mutt_perror (t);
      return;
    }
  
    dump_menu (f, menu);
    if (menu != MENU_EDITOR && menu != MENU_PAGER)
    {
      fputs (_("\nGeneric bindings:\n\n"), f);
      dump_menu (f, MENU_GENERIC);
    }
  
    fputs (_("\nUnbound functions:\n\n"), f);
    if (funcs)
      dump_unbound (f, funcs, Keymaps[menu], NULL);
    if (menu != MENU_PAGER)
      dump_unbound (f, OpGeneric, Keymaps[MENU_GENERIC], Keymaps[menu]);
  
    safe_fclose (&f);
  
    snprintf (buf, sizeof (buf), _("Help for %s"), desc);
  }
  while
    (mutt_do_pager (buf, t,
		    M_PAGER_RETWINCH | M_PAGER_MARKER | M_PAGER_NSKIP | M_PAGER_NOWRAP,
		    NULL)
     == OP_REFORMAT_WINCH);
}
Пример #5
0
/**
 * setup_paths - Set the mailbox paths
 * @param m Mailbox to modify
 * @retval  0 Success
 * @retval -1 Error
 *
 * Save the compressed filename in mailbox->realpath.
 * Create a temporary filename and put its name in mailbox->path.
 * The temporary file is created to prevent symlink attacks.
 */
static int setup_paths(struct Mailbox *m)
{
  if (!m)
    return -1;

  char tmp[PATH_MAX];

  /* Setup the right paths */
  mutt_str_strfcpy(m->realpath, m->path, sizeof(m->realpath));

  /* We will uncompress to /tmp */
  mutt_mktemp(tmp, sizeof(tmp));
  mutt_str_strfcpy(m->path, tmp, sizeof(m->path));

  FILE *fp = mutt_file_fopen(m->path, "w");
  if (!fp)
    return -1;

  mutt_file_fclose(&fp);
  return 0;
}
Пример #6
0
/**
 * icmd_set - Parse 'set' command to display config - Implements ::icommand_t
 */
static enum CommandResult icmd_set(struct Buffer *buf, struct Buffer *s,
                                   unsigned long data, struct Buffer *err)
{
  char tempfile[PATH_MAX];
  mutt_mktemp(tempfile, sizeof(tempfile));

  FILE *fp_out = mutt_file_fopen(tempfile, "w");
  if (!fp_out)
  {
    mutt_buffer_addstr(err, _("Could not create temporary file"));
    return MUTT_CMD_ERROR;
  }

  if (mutt_str_strcmp(s->data, "set all") == 0)
  {
    dump_config(Config, CS_DUMP_STYLE_NEO, 0, fp_out);
  }
  else if (mutt_str_strcmp(s->data, "set") == 0)
  {
    dump_config(Config, CS_DUMP_STYLE_NEO, CS_DUMP_ONLY_CHANGED, fp_out);
  }
  else
  {
    mutt_file_fclose(&fp_out);
    return MUTT_CMD_ERROR;
  }

  mutt_file_fclose(&fp_out);

  struct Pager info = { 0 };
  if (mutt_pager("set", tempfile, 0, &info) == -1)
  {
    mutt_buffer_addstr(err, _("Could not create temporary file"));
    return MUTT_CMD_ERROR;
  }

  return MUTT_CMD_SUCCESS;
}
Пример #7
0
/* returns -1 on error, 0 or the return code from mutt_do_pager() on success */
int mutt_view_attachment (FILE *fp, BODY *a, int flag, HEADER *hdr,
			  ATTACHPTR **idx, short idxlen)
{
  char tempfile[_POSIX_PATH_MAX] = "";
  char pagerfile[_POSIX_PATH_MAX] = "";
  int is_message;
  int use_mailcap;
  int use_pipe = 0;
  int use_pager = 1;
  char type[STRING];
  char command[HUGE_STRING];
  char descrip[STRING];
  char *fname;
  rfc1524_entry *entry = NULL;
  int rc = -1;
  int unlink_tempfile = 0;
  
  is_message = mutt_is_message_type(a->type, a->subtype);
  if (WithCrypto && is_message && a->hdr && (a->hdr->security & ENCRYPT) &&
      !crypt_valid_passphrase(a->hdr->security))
    return (rc);
  use_mailcap = (flag == M_MAILCAP ||
		(flag == M_REGULAR && mutt_needs_mailcap (a)));
  snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
  
  if (use_mailcap)
  {
    entry = rfc1524_new_entry (); 
    if (!rfc1524_mailcap_lookup (a, type, entry, 0))
    {
      if (flag == M_REGULAR)
      {
	/* fallback to view as text */
	rfc1524_free_entry (&entry);
	mutt_error _("No matching mailcap entry found.  Viewing as text.");
	flag = M_AS_TEXT;
	use_mailcap = 0;
      }
      else
	goto return_error;
    }
  }
  
  if (use_mailcap)
  {
    if (!entry->command)
    {
      mutt_error _("MIME type not defined.  Cannot view attachment.");
      goto return_error;
    }
    strfcpy (command, entry->command, sizeof (command));
    
    if (fp)
    {
      fname = safe_strdup (a->filename);
      mutt_sanitize_filename (fname, 1);
    }
    else
      fname = a->filename;

    if (rfc1524_expand_filename (entry->nametemplate, fname,
				 tempfile, sizeof (tempfile)))
    {
      if (fp == NULL && mutt_strcmp(tempfile, a->filename))
      {
	/* send case: the file is already there */
	if (safe_symlink (a->filename, tempfile) == -1)
	{
	  if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES) == M_YES)
	    strfcpy (tempfile, a->filename, sizeof (tempfile));
	  else
	    goto return_error;
	}
	else
	  unlink_tempfile = 1;
      }
    }
    else if (fp == NULL) /* send case */
      strfcpy (tempfile, a->filename, sizeof (tempfile));
    
    if (fp)
    {
      /* recv case: we need to save the attachment to a file */
      FREE (&fname);
      if (mutt_save_attachment (fp, a, tempfile, 0, NULL) == -1)
	goto return_error;
    }

    use_pipe = rfc1524_expand_command (a, tempfile, type,
				       command, sizeof (command));
    use_pager = entry->copiousoutput;
  }
  
  if (use_pager)
  {
    if (fp && !use_mailcap && a->filename)
    {
      /* recv case */
      strfcpy (pagerfile, a->filename, sizeof (pagerfile));
      mutt_adv_mktemp (pagerfile, sizeof(pagerfile));
    }
    else
      mutt_mktemp (pagerfile, sizeof (pagerfile));
  }
    
  if (use_mailcap)
  {
    pid_t thepid = 0;
    int tempfd = -1, pagerfd = -1;
    
    if (!use_pager)
      mutt_endwin (NULL);

    if (use_pager || use_pipe)
    {
      if (use_pager && ((pagerfd = safe_open (pagerfile, O_CREAT | O_EXCL | O_WRONLY)) == -1))
      {
	mutt_perror ("open");
	goto return_error;
      }
      if (use_pipe && ((tempfd = open (tempfile, 0)) == -1))
      {
	if(pagerfd != -1)
	  close(pagerfd);
	mutt_perror ("open");
	goto return_error;
      }

      if ((thepid = mutt_create_filter_fd (command, NULL, NULL, NULL,
					   use_pipe ? tempfd : -1, use_pager ? pagerfd : -1, -1)) == -1)
      {
	if(pagerfd != -1)
	  close(pagerfd);
	
	if(tempfd != -1)
	  close(tempfd);

	mutt_error _("Cannot create filter");
	goto return_error;
      }

      if (use_pager)
      {
	if (a->description)
	  snprintf (descrip, sizeof (descrip),
		    _("---Command: %-20.20s Description: %s"),
		    command, a->description);
	else
	  snprintf (descrip, sizeof (descrip),
		    _("---Command: %-30.30s Attachment: %s"), command, type);
      }

      if ((mutt_wait_filter (thepid) || (entry->needsterminal &&
	  option (OPTWAITKEY))) && !use_pager)
	mutt_any_key_to_continue (NULL);

      if (tempfd != -1)
	close (tempfd);
      if (pagerfd != -1)
	close (pagerfd);
    }
    else
    {
      /* interactive command */
      if (mutt_system (command) ||
	  (entry->needsterminal && option (OPTWAITKEY)))
	mutt_any_key_to_continue (NULL);
    }
  }
  else
  {
    /* Don't use mailcap; the attachment is viewed in the pager */

    if (flag == M_AS_TEXT)
    {
      /* just let me see the raw data */
      if (mutt_save_attachment (fp, a, pagerfile, 0, NULL))
	goto return_error;
    }
    else
    {
      /* Use built-in handler */
      set_option (OPTVIEWATTACH); /* disable the "use 'v' to view this part"
				   * message in case of error */
      if (mutt_decode_save_attachment (fp, a, pagerfile, M_DISPLAY, 0))
      {
	unset_option (OPTVIEWATTACH);
	goto return_error;
      }
      unset_option (OPTVIEWATTACH);
    }
    
    if (a->description)
      strfcpy (descrip, a->description, sizeof (descrip));
    else if (a->filename)
      snprintf (descrip, sizeof (descrip), _("---Attachment: %s: %s"),
	  a->filename, type);
    else
      snprintf (descrip, sizeof (descrip), _("---Attachment: %s"), type);
  }
  
  /* We only reach this point if there have been no errors */

  if (use_pager)
  {
    pager_t info;
    
    memset (&info, 0, sizeof (info));
    info.fp = fp;
    info.bdy = a;
    info.ctx = Context;
    info.idx = idx;
    info.idxlen = idxlen;
    info.hdr = hdr;

    rc = mutt_do_pager (descrip, pagerfile,
			M_PAGER_ATTACHMENT | (is_message ? M_PAGER_MESSAGE : 0), &info);
    *pagerfile = '\0';
  }
  else
    rc = 0;

  return_error:
  
  if (entry)
    rfc1524_free_entry (&entry);
  if (fp && tempfile[0])
    mutt_unlink (tempfile);
  else if (unlink_tempfile)
    unlink(tempfile);

  if (pagerfile[0])
    mutt_unlink (pagerfile);

  return rc;
}
Пример #8
0
static void attach_forward_msgs (FILE * fp, struct header *hdr,
				 ATTACHPTR ** idx, short idxlen, struct body * cur)
{
	struct header *curhdr = NULL;
	struct header *tmphdr;
	short i;
	int rc;

	struct body **last;
	char tmpbody[_POSIX_PATH_MAX];
	FILE *tmpfp = NULL;

	int cmflags = 0;
	int chflags = CH_XMIT;

	if (cur)
		curhdr = cur->hdr;
	else
	{
		for (i = 0; i < idxlen; i++)
			if (idx[i]->content->tagged)
			{
				curhdr = idx[i]->content->hdr;
				break;
			}
	}

	tmphdr = mutt_new_header ();
	tmphdr->env = mutt_new_envelope ();
	mutt_make_forward_subject (tmphdr->env, Context, curhdr);


	tmpbody[0] = '\0';

	if ((rc = query_quadoption (OPT_MIMEFWD,
				    ("Forward MIME encapsulated?"))) == M_NO)
	{

		/* no MIME encapsulation */

		mutt_mktemp (tmpbody, sizeof (tmpbody));
		if (!(tmpfp = safe_fopen (tmpbody, "w")))
		{
			mutt_error (("Can't create %s."), tmpbody);
			mutt_free_header (&tmphdr);
			return;
		}

		if (bit_val(options, OPTFORWQUOTE))
		{
			chflags |= CH_PREFIX;
			cmflags |= M_CM_PREFIX;
		}

		if (bit_val(options, OPTFORWDECODE))
		{
			cmflags |= M_CM_DECODE | M_CM_CHARCONV;
			if (bit_val(options, OPTWEED))
			{
				chflags |= CH_WEED | CH_REORDER;
				cmflags |= M_CM_WEED;
			}
		}


		if (cur)
		{
			/* mutt_message_hook (cur->hdr, M_MESSAGEHOOK); */
			mutt_forward_intro (tmpfp, cur->hdr);
			_mutt_copy_message (tmpfp, fp, cur->hdr, cur->hdr->content, cmflags, chflags);
			mutt_forward_trailer (tmpfp);
		}
		else
		{
			for (i = 0; i < idxlen; i++)
			{
				if (idx[i]->content->tagged)
				{
					/* mutt_message_hook (idx[i]->content->hdr, M_MESSAGEHOOK); */
					mutt_forward_intro (tmpfp, idx[i]->content->hdr);
					_mutt_copy_message (tmpfp, fp, idx[i]->content->hdr,
							    idx[i]->content->hdr->content, cmflags, chflags);
					mutt_forward_trailer (tmpfp);
				}
			}
		}
		safe_fclose (&tmpfp);
	}
	else if (rc == M_YES)	/* do MIME encapsulation - we don't need to do much here */
	{
		last = &tmphdr->content;
		if (cur)
			mutt_copy_body (fp, last, cur);
		else
		{
			for (i = 0; i < idxlen; i++)
				if (idx[i]->content->tagged)
				{
					mutt_copy_body (fp, last, idx[i]->content);
					last = &((*last)->next);
				}
		}
	}
	else
		mutt_free_header (&tmphdr);

	ci_send_message (0, tmphdr, *tmpbody ? tmpbody : NULL,
			 NULL, curhdr);

}
Пример #9
0
static pgp_key_t pgp_select_key (pgp_key_t keys,
                                 ADDRESS * p, const char *s)
{
  int keymax;
  pgp_uid_t **KeyTable;
  MUTTMENU *menu;
  int i, done = 0;
  char helpstr[LONG_STRING], buf[LONG_STRING], tmpbuf[STRING];
  char cmd[LONG_STRING], tempfile[_POSIX_PATH_MAX];
  FILE *fp, *devnull;
  pid_t thepid;
  pgp_key_t kp;
  pgp_uid_t *a;
  int (*f) (const void *, const void *);

  int unusable = 0;

  keymax = 0;
  KeyTable = NULL;

  for (i = 0, kp = keys; kp; kp = kp->next)
  {
    if (!option (OPTPGPSHOWUNUSABLE) && (kp->flags & KEYFLAG_CANTUSE))
    {
      unusable = 1;
      continue;
    }

    for (a = kp->address; a; a = a->next)
    {
      if (!option (OPTPGPSHOWUNUSABLE) && (a->flags & KEYFLAG_CANTUSE))
      {
	unusable = 1;
	continue;
      }

      if (i == keymax)
      {
	keymax += 5;
	safe_realloc (&KeyTable, sizeof (pgp_uid_t *) * keymax);
      }

      KeyTable[i++] = a;
    }
  }

  if (!i && unusable)
  {
    mutt_error _("All matching keys are expired, revoked, or disabled.");
    mutt_sleep (1);
    return NULL;
  }

  switch (PgpSortKeys & SORT_MASK)
  {
    case SORT_DATE:
      f = pgp_compare_date;
      break;
    case SORT_KEYID:
      f = pgp_compare_keyid;
      break;
    case SORT_ADDRESS:
      f = pgp_compare_address;
      break;
    case SORT_TRUST:
    default:
      f = pgp_compare_trust;
      break;
  }
  qsort (KeyTable, i, sizeof (pgp_uid_t *), f);

  helpstr[0] = 0;
  mutt_make_help (buf, sizeof (buf), _("Exit  "), MENU_PGP, OP_EXIT);
  strcat (helpstr, buf);	/* __STRCAT_CHECKED__ */
  mutt_make_help (buf, sizeof (buf), _("Select  "), MENU_PGP,
		  OP_GENERIC_SELECT_ENTRY);
  strcat (helpstr, buf);	/* __STRCAT_CHECKED__ */
  mutt_make_help (buf, sizeof (buf), _("Check key  "), MENU_PGP, OP_VERIFY_KEY);
  strcat (helpstr, buf);	/* __STRCAT_CHECKED__ */
  mutt_make_help (buf, sizeof (buf), _("Help"), MENU_PGP, OP_HELP);
  strcat (helpstr, buf);	/* __STRCAT_CHECKED__ */

  menu = mutt_new_menu (MENU_PGP);
  menu->max = i;
  menu->make_entry = pgp_entry;
  menu->help = helpstr;
  menu->data = KeyTable;

  if (p)
    snprintf (buf, sizeof (buf), _("PGP keys matching <%s>."), p->mailbox);
  else
    snprintf (buf, sizeof (buf), _("PGP keys matching \"%s\"."), s);


  menu->title = buf;

  kp = NULL;

  mutt_clear_error ();

  while (!done)
  {
    switch (mutt_menuLoop (menu))
    {

    case OP_VERIFY_KEY:

      mutt_mktemp (tempfile, sizeof (tempfile));
      if ((devnull = fopen ("/dev/null", "w")) == NULL)	/* __FOPEN_CHECKED__ */
      {
	mutt_perror _("Can't open /dev/null");
	break;
      }
      if ((fp = safe_fopen (tempfile, "w")) == NULL)
      {
	safe_fclose (&devnull);
	mutt_perror _("Can't create temporary file");
	break;
      }

      mutt_message _("Invoking PGP...");

      snprintf (tmpbuf, sizeof (tmpbuf), "0x%s",
          pgp_fpr_or_lkeyid (pgp_principal_key (KeyTable[menu->current]->parent)));

      if ((thepid = pgp_invoke_verify_key (NULL, NULL, NULL, -1,
		    fileno (fp), fileno (devnull), tmpbuf)) == -1)
      {
	mutt_perror _("Can't create filter");
	unlink (tempfile);
	safe_fclose (&fp);
	safe_fclose (&devnull);
      }

      mutt_wait_filter (thepid);
      safe_fclose (&fp);
      safe_fclose (&devnull);
      mutt_clear_error ();
      snprintf (cmd, sizeof (cmd), _("Key ID: 0x%s"), 
		pgp_keyid (pgp_principal_key (KeyTable[menu->current]->parent)));
      mutt_do_pager (cmd, tempfile, 0, NULL);
      menu->redraw = REDRAW_FULL;

      break;

    case OP_VIEW_ID:

      mutt_message ("%s", NONULL (KeyTable[menu->current]->addr));
      break;

    case OP_GENERIC_SELECT_ENTRY:


      /* XXX make error reporting more verbose */

      if (option (OPTPGPCHECKTRUST))
	if (!pgp_key_is_valid (KeyTable[menu->current]->parent))
	{
	  mutt_error _("This key can't be used: expired/disabled/revoked.");
	  break;
	}

      if (option (OPTPGPCHECKTRUST) &&
	  (!pgp_id_is_valid (KeyTable[menu->current])
	   || !pgp_id_is_strong (KeyTable[menu->current])))
      {
	char *s = "";
	char buff[LONG_STRING];
	
	if (KeyTable[menu->current]->flags & KEYFLAG_CANTUSE)
	  s = N_("ID is expired/disabled/revoked.");
	else switch (KeyTable[menu->current]->trust & 0x03)
	{
	  case 0:
	    s = N_("ID has undefined validity.");
	    break;
	  case 1:
	    s = N_("ID is not valid.");
	    break;
	  case 2:
	    s = N_("ID is only marginally valid.");
	    break;
	}

	snprintf (buff, sizeof (buff), _("%s Do you really want to use the key?"),
		  _(s));

	if (mutt_yesorno (buff, M_NO) != M_YES)
	{
	  mutt_clear_error ();
	  break;
	}
      }

# if 0
      kp = pgp_principal_key (KeyTable[menu->current]->parent);
# else
      kp = KeyTable[menu->current]->parent;
# endif
      done = 1;
      break;

    case OP_EXIT:

      kp = NULL;
      done = 1;
      break;
    }
  }

  mutt_menuDestroy (&menu);
  FREE (&KeyTable);

  set_option (OPTNEEDREDRAW);

  return (kp);
}
Пример #10
0
/* imap_read_headers:
 * Changed to read many headers instead of just one. It will return the
 * msgno of the last message read. It will return a value other than
 * msgend if mail comes in while downloading headers (in theory).
 */
int imap_read_headers (IMAP_DATA* idata, int msgbegin, int msgend)
{
  CONTEXT* ctx;
  char *hdrreq = NULL;
  FILE *fp;
  char tempfile[_POSIX_PATH_MAX];
  int msgno, idx = msgbegin - 1;
  IMAP_HEADER h;
  IMAP_STATUS* status;
  int rc, mfhrc, oldmsgcount;
  int fetchlast = 0;
  int maxuid = 0;
  static const char * const want_headers = "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES LIST-POST X-LABEL";
  progress_t progress;
  int retval = -1;

#if USE_HCACHE
  char buf[LONG_STRING];
  unsigned int *uid_validity = NULL;
  unsigned int *puidnext = NULL;
  unsigned int uidnext = 0;
  int evalhc = 0;
#endif /* USE_HCACHE */

  ctx = idata->ctx;

  if (mutt_bit_isset (idata->capabilities,IMAP4REV1))
  {
    safe_asprintf (&hdrreq, "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
                           want_headers, ImapHeaders ? " " : "", NONULL (ImapHeaders));
  }
  else if (mutt_bit_isset (idata->capabilities,IMAP4))
  {
    safe_asprintf (&hdrreq, "RFC822.HEADER.LINES (%s%s%s)",
                           want_headers, ImapHeaders ? " " : "", NONULL (ImapHeaders));
  }
  else
  {	/* Unable to fetch headers for lower versions */
    mutt_error _("Unable to fetch headers from this IMAP server version.");
    mutt_sleep (2);	/* pause a moment to let the user see the error */
    goto error_out_0;
  }

  /* instead of downloading all headers and then parsing them, we parse them
   * as they come in. */
  mutt_mktemp (tempfile, sizeof (tempfile));
  if (!(fp = safe_fopen (tempfile, "w+")))
  {
    mutt_error (_("Could not create temporary file %s"), tempfile);
    mutt_sleep (2);
    goto error_out_0;
  }
  unlink (tempfile);

  /* make sure context has room to hold the mailbox */
  while ((msgend) >= idata->ctx->hdrmax)
    mx_alloc_memory (idata->ctx);

  oldmsgcount = ctx->msgcount;
  idata->reopen &= ~(IMAP_REOPEN_ALLOW|IMAP_NEWMAIL_PENDING);
  idata->newMailCount = 0;

#if USE_HCACHE
  idata->hcache = imap_hcache_open (idata, NULL);

  if (idata->hcache && !msgbegin)
  {
    uid_validity = mutt_hcache_fetch_raw (idata->hcache, "/UIDVALIDITY", imap_hcache_keylen);
    puidnext = mutt_hcache_fetch_raw (idata->hcache, "/UIDNEXT", imap_hcache_keylen);
    if (puidnext)
    {
      uidnext = *puidnext;
      FREE (&puidnext);
    }
    if (uid_validity && uidnext && *uid_validity == idata->uid_validity)
      evalhc = 1;
    FREE (&uid_validity);
  }
  if (evalhc)
  {
    /* L10N:
       Comparing the cached data with the IMAP server's data */
    mutt_progress_init (&progress, _("Evaluating cache..."),
			MUTT_PROGRESS_MSG, ReadInc, msgend + 1);

    snprintf (buf, sizeof (buf),
      "UID FETCH 1:%u (UID FLAGS)", uidnext - 1);

    imap_cmd_start (idata, buf);

    rc = IMAP_CMD_CONTINUE;
    for (msgno = msgbegin; rc == IMAP_CMD_CONTINUE; msgno++)
    {
      mutt_progress_update (&progress, msgno + 1, -1);

      memset (&h, 0, sizeof (h));
      h.data = safe_calloc (1, sizeof (IMAP_HEADER_DATA));
      do
      {
        mfhrc = 0;

        rc = imap_cmd_step (idata);
        if (rc != IMAP_CMD_CONTINUE)
	{
	  imap_free_header_data (&h.data);
          break;
	}

        /* hole in the header cache */
        if (!evalhc)
          continue;

        if ((mfhrc = msg_fetch_header (ctx, &h, idata->buf, NULL)) == -1)
          continue;
        else if (mfhrc < 0)
	{
	  imap_free_header_data (&h.data);
          break;
	}

        if (!h.data->uid)
        {
          dprint (2, (debugfile, "imap_read_headers: skipping hcache FETCH "
                      "response for unknown message number %d\n", h.sid));
          mfhrc = -1;
          continue;
        }

        idx++;
        ctx->hdrs[idx] = imap_hcache_get (idata, h.data->uid);
        if (ctx->hdrs[idx])
        {
  	  ctx->hdrs[idx]->index = idx;
  	  /* messages which have not been expunged are ACTIVE (borrowed from mh
  	   * folders) */
  	  ctx->hdrs[idx]->active = 1;
          ctx->hdrs[idx]->read = h.data->read;
          ctx->hdrs[idx]->old = h.data->old;
          ctx->hdrs[idx]->deleted = h.data->deleted;
          ctx->hdrs[idx]->flagged = h.data->flagged;
          ctx->hdrs[idx]->replied = h.data->replied;
          ctx->hdrs[idx]->changed = h.data->changed;
          /*  ctx->hdrs[msgno]->received is restored from mutt_hcache_restore */
          ctx->hdrs[idx]->data = (void *) (h.data);

          ctx->msgcount++;
          ctx->size += ctx->hdrs[idx]->content->length;
        }
	else
        {
	  /* bad header in the cache, we'll have to refetch. */
          dprint (3, (debugfile, "bad cache entry at %d, giving up\n", h.sid - 1));
          imap_free_header_data(&h.data);
          evalhc = 0;
          idx--;
        }
      }
      while (rc != IMAP_CMD_OK && mfhrc == -1);
      if (rc == IMAP_CMD_OK)
        break;
      if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK)))
      {
        imap_free_header_data (&h.data);
        imap_hcache_close (idata);
	goto error_out_1;
      }
    }
    /* could also look for first null header in case hcache is holey */
    msgbegin = ctx->msgcount;
  }
#endif /* USE_HCACHE */

  mutt_progress_init (&progress, _("Fetching message headers..."),
		      MUTT_PROGRESS_MSG, ReadInc, msgend + 1);

  for (msgno = msgbegin; msgno <= msgend ; msgno++)
  {
    mutt_progress_update (&progress, msgno + 1, -1);

    /* we may get notification of new mail while fetching headers */
    if (msgno + 1 > fetchlast)
    {
      char *cmd;

      fetchlast = msgend + 1;
      safe_asprintf (&cmd, "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
                     msgno + 1, fetchlast, hdrreq);
      imap_cmd_start (idata, cmd);
      FREE (&cmd);
    }

    rewind (fp);
    memset (&h, 0, sizeof (h));
    h.data = safe_calloc (1, sizeof (IMAP_HEADER_DATA));

    /* this DO loop does two things:
     * 1. handles untagged messages, so we can try again on the same msg
     * 2. fetches the tagged response at the end of the last message.
     */
    do
    {
      mfhrc = 0;

      rc = imap_cmd_step (idata);
      if (rc != IMAP_CMD_CONTINUE)
	break;

      if ((mfhrc = msg_fetch_header (ctx, &h, idata->buf, fp)) == -1)
	continue;
      else if (mfhrc < 0)
	break;

      if (!ftello (fp))
      {
        dprint (2, (debugfile, "msg_fetch_header: ignoring fetch response with no body\n"));
        mfhrc = -1;
        msgend--;
        continue;
      }

      /* make sure we don't get remnants from older larger message headers */
      fputs ("\n\n", fp);

      idx++;
      if (idx > msgend)
      {
        dprint (1, (debugfile, "imap_read_headers: skipping FETCH response for "
                    "unknown message number %d\n", h.sid));
        mfhrc = -1;
        idx--;
        continue;
      }
      /* May receive FLAGS updates in a separate untagged response (#2935) */
      if (idx < ctx->msgcount)
      {
	dprint (2, (debugfile, "imap_read_headers: message %d is not new\n",
		    h.sid));
        idx--;
	continue;
      }

      ctx->hdrs[idx] = mutt_new_header ();

      ctx->hdrs[idx]->index = h.sid - 1;
      /* messages which have not been expunged are ACTIVE (borrowed from mh
       * folders) */
      ctx->hdrs[idx]->active = 1;
      ctx->hdrs[idx]->read = h.data->read;
      ctx->hdrs[idx]->old = h.data->old;
      ctx->hdrs[idx]->deleted = h.data->deleted;
      ctx->hdrs[idx]->flagged = h.data->flagged;
      ctx->hdrs[idx]->replied = h.data->replied;
      ctx->hdrs[idx]->changed = h.data->changed;
      ctx->hdrs[idx]->received = h.received;
      ctx->hdrs[idx]->data = (void *) (h.data);

      if (maxuid < h.data->uid)
        maxuid = h.data->uid;

      rewind (fp);
      /* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
       *   on h.received being set */
      ctx->hdrs[idx]->env = mutt_read_rfc822_header (fp, ctx->hdrs[idx],
        0, 0);
      /* content built as a side-effect of mutt_read_rfc822_header */
      ctx->hdrs[idx]->content->length = h.content_length;
      ctx->size += h.content_length;

#if USE_HCACHE
      imap_hcache_put (idata, ctx->hdrs[idx]);
#endif /* USE_HCACHE */

      ctx->msgcount++;
    }
    while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
      ((msgno + 1) >= fetchlast)));

    if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK)))
    {
      imap_free_header_data (&h.data);
#if USE_HCACHE
      imap_hcache_close (idata);
#endif
      goto error_out_1;
    }

    /* in case we get new mail while fetching the headers */
    if (idata->reopen & IMAP_NEWMAIL_PENDING)
    {
      msgend = idata->newMailCount - 1;
      while ((msgend) >= ctx->hdrmax)
	mx_alloc_memory (ctx);
      idata->reopen &= ~IMAP_NEWMAIL_PENDING;
      idata->newMailCount = 0;
    }
  }

  if (maxuid && (status = imap_mboxcache_get (idata, idata->mailbox, 0)) &&
      (status->uidnext < maxuid + 1))
    status->uidnext = maxuid + 1;

#if USE_HCACHE
  mutt_hcache_store_raw (idata->hcache, "/UIDVALIDITY", &idata->uid_validity,
                         sizeof (idata->uid_validity), imap_hcache_keylen);
  if (maxuid && idata->uidnext < maxuid + 1)
  {
    dprint (2, (debugfile, "Overriding UIDNEXT: %u -> %u\n", idata->uidnext, maxuid + 1));
    idata->uidnext = maxuid + 1;
  }
  if (idata->uidnext > 1)
    mutt_hcache_store_raw (idata->hcache, "/UIDNEXT", &idata->uidnext,
			   sizeof (idata->uidnext), imap_hcache_keylen);

  imap_hcache_close (idata);
#endif /* USE_HCACHE */

  if (ctx->msgcount > oldmsgcount)
  {
    mx_alloc_memory(ctx);
    mx_update_context (ctx, ctx->msgcount - oldmsgcount);
  }

  idata->reopen |= IMAP_REOPEN_ALLOW;

  retval = msgend;

error_out_1:
  safe_fclose (&fp);

error_out_0:
  FREE (&hdrreq);

  return retval;
}
Пример #11
0
/*
 * Read header
 * returns:
 *  0 on success
 * -1 - connection lost,
 * -2 - invalid command or execution error,
 * -3 - error writing to tempfile
 */
static int pop_read_header(POP_DATA *pop_data, HEADER *h)
{
    FILE *f;
    int ret, index;
    long length;
    char buf[LONG_STRING];
    char tempfile[_POSIX_PATH_MAX];

    mutt_mktemp(tempfile, sizeof(tempfile));

    if (!(f = safe_fopen(tempfile, "w+"))) {
        mutt_perror(tempfile);
        return -3;
    }

    snprintf(buf, sizeof(buf), "LIST %d\r\n", h->refno);
    ret = pop_query(pop_data, buf, sizeof(buf));

    if (ret == 0) {
        sscanf(buf, "+OK %d %ld", &index, &length);

        snprintf(buf, sizeof(buf), "TOP %d 0\r\n", h->refno);
        ret = pop_fetch_data(pop_data, buf, NULL, fetch_message, f);

        if (pop_data->cmd_top == 2) {
            if (ret == 0) {
                pop_data->cmd_top = 1;

                dprint(1, "pop_read_header: set TOP capability\n");
            }

            if (ret == -2) {
                pop_data->cmd_top = 0;

                dprint(1, "pop_read_header: unset TOP capability\n");
                snprintf(pop_data->err_msg, sizeof(pop_data->err_msg),
                         _("Command TOP is not supported by server."));
            }
        }
    }

    switch (ret) {
    case 0:
    {
        rewind(f);
        h->env = mutt_read_rfc822_header(f, h, 0, 0);
        h->content->length = length - h->content->offset + 1;
        rewind(f);

        while (!feof(f)) {
            h->content->length--;
            fgets(buf, sizeof(buf), f);
        }
        break;
    }

    case -2:
    {
        mutt_error("%s", pop_data->err_msg);
        break;
    }

    case -3:
    {
        mutt_error _("Can't write header to temporary file!");
        break;
    }
    }

    safe_fclose(&f);
    unlink(tempfile);
    return ret;
}
Пример #12
0
/**
 * icmd_bind - Parse 'bind' and 'macro' commands - Implements ::icommand_t
 */
static enum CommandResult icmd_bind(struct Buffer *buf, struct Buffer *s,
                                    unsigned long data, struct Buffer *err)
{
  FILE *fp_out = NULL;
  char tempfile[PATH_MAX];
  bool dump_all = false, bind = (data == 0);

  if (!MoreArgs(s))
    dump_all = true;
  else
    mutt_extract_token(buf, s, 0);

  if (MoreArgs(s))
  {
    /* More arguments potentially means the user is using the
     * ::command_t :bind command thus we delegate the task. */
    return MUTT_CMD_ERROR;
  }

  struct Buffer *filebuf = mutt_buffer_alloc(4096);
  if (dump_all || (mutt_str_strcasecmp(buf->data, "all") == 0))
  {
    dump_all_menus(filebuf, bind);
  }
  else
  {
    const int menu_index = mutt_map_get_value(buf->data, Menus);
    if (menu_index == -1)
    {
      mutt_buffer_printf(err, _("%s: no such menu"), buf->data);
      mutt_buffer_free(&filebuf);
      return MUTT_CMD_ERROR;
    }

    struct Mapping menu = { buf->data, menu_index };
    dump_menu(filebuf, &menu, bind);
  }

  if (mutt_buffer_is_empty(filebuf))
  {
    mutt_buffer_printf(err, _("%s: no %s for this menu"),
                       dump_all ? "all" : buf->data, bind ? "binds" : "macros");
    mutt_buffer_free(&filebuf);
    return MUTT_CMD_ERROR;
  }

  mutt_mktemp(tempfile, sizeof(tempfile));
  fp_out = mutt_file_fopen(tempfile, "w");
  if (!fp_out)
  {
    mutt_buffer_printf(err, _("Could not create temporary file %s"), tempfile);
    mutt_buffer_free(&filebuf);
    return MUTT_CMD_ERROR;
  }
  fputs(filebuf->data, fp_out);

  mutt_file_fclose(&fp_out);
  mutt_buffer_free(&filebuf);

  struct Pager info = { 0 };
  if (mutt_pager((bind) ? "bind" : "macro", tempfile, 0, &info) == -1)
  {
    mutt_buffer_printf(err, _("Could not create temporary file %s"), tempfile);
    return MUTT_CMD_ERROR;
  }

  return MUTT_CMD_SUCCESS;
}
Пример #13
0
/**
 * crypt_extract_keys_from_messages - Extract keys from a message
 * @param el List of Emails to process
 *
 * The extracted keys will be added to the user's keyring.
 */
void crypt_extract_keys_from_messages(struct EmailList *el)
{
  char tempfname[PATH_MAX], *mbox = NULL;
  struct Address *tmp = NULL;

  if (!WithCrypto)
    return;

  mutt_mktemp(tempfname, sizeof(tempfname));
  FILE *fp_out = mutt_file_fopen(tempfname, "w");
  if (!fp_out)
  {
    mutt_perror(tempfname);
    return;
  }

  if (WithCrypto & APPLICATION_PGP)
    OptDontHandlePgpKeys = true;

  struct EmailNode *en = NULL;
  STAILQ_FOREACH(en, el, entries)
  {
    struct Email *e = en->email;

    mutt_parse_mime_message(Context->mailbox, e);
    if (e->security & SEC_ENCRYPT && !crypt_valid_passphrase(e->security))
    {
      mutt_file_fclose(&fp_out);
      break;
    }

    if (((WithCrypto & APPLICATION_PGP) != 0) && (e->security & APPLICATION_PGP))
    {
      mutt_copy_message_ctx(fp_out, Context->mailbox, e,
                            MUTT_CM_DECODE | MUTT_CM_CHARCONV, 0);
      fflush(fp_out);

      mutt_endwin();
      puts(_("Trying to extract PGP keys...\n"));
      crypt_pgp_invoke_import(tempfname);
    }

    if (((WithCrypto & APPLICATION_SMIME) != 0) && (e->security & APPLICATION_SMIME))
    {
      if (e->security & SEC_ENCRYPT)
      {
        mutt_copy_message_ctx(fp_out, Context->mailbox, e,
                              MUTT_CM_NOHEADER | MUTT_CM_DECODE_CRYPT | MUTT_CM_DECODE_SMIME,
                              0);
      }
      else
        mutt_copy_message_ctx(fp_out, Context->mailbox, e, 0, 0);
      fflush(fp_out);

      if (e->env->from)
        tmp = mutt_expand_aliases(e->env->from);
      else if (e->env->sender)
        tmp = mutt_expand_aliases(e->env->sender);
      mbox = tmp ? tmp->mailbox : NULL;
      if (mbox)
      {
        mutt_endwin();
        puts(_("Trying to extract S/MIME certificates..."));
        crypt_smime_invoke_import(tempfname, mbox);
        tmp = NULL;
      }
    }

    rewind(fp_out);
  }

  mutt_file_fclose(&fp_out);
  if (isendwin())
    mutt_any_key_to_continue(NULL);

  mutt_file_unlink(tempfname);

  if (WithCrypto & APPLICATION_PGP)
    OptDontHandlePgpKeys = false;
}
Пример #14
0
/**
 * mutt_signed_handler - Verify a "multipart/signed" body - Implements ::handler_t
 */
int mutt_signed_handler(struct Body *a, struct State *s)
{
  bool inconsistent = false;
  struct Body *b = a;
  struct Body **signatures = NULL;
  int sigcnt = 0;
  int rc = 0;

  if (!WithCrypto)
    return -1;

  a = a->parts;
  SecurityFlags signed_type = mutt_is_multipart_signed(b);
  if (signed_type == SEC_NO_FLAGS)
  {
    /* A null protocol value is already checked for in mutt_body_handler() */
    state_printf(s,
                 _("[-- Error: "
                   "Unknown multipart/signed protocol %s --]\n\n"),
                 mutt_param_get(&b->parameter, "protocol"));
    return mutt_body_handler(a, s);
  }

  if (!(a && a->next))
    inconsistent = true;
  else
  {
    switch (signed_type)
    {
      case SEC_SIGN:
        if ((a->next->type != TYPE_MULTIPART) ||
            (mutt_str_strcasecmp(a->next->subtype, "mixed") != 0))
        {
          inconsistent = true;
        }
        break;
      case PGP_SIGN:
        if ((a->next->type != TYPE_APPLICATION) ||
            (mutt_str_strcasecmp(a->next->subtype, "pgp-signature") != 0))
        {
          inconsistent = true;
        }
        break;
      case SMIME_SIGN:
        if ((a->next->type != TYPE_APPLICATION) ||
            ((mutt_str_strcasecmp(a->next->subtype, "x-pkcs7-signature") != 0) &&
             (mutt_str_strcasecmp(a->next->subtype, "pkcs7-signature") != 0)))
        {
          inconsistent = true;
        }
        break;
      default:
        inconsistent = true;
    }
  }
  if (inconsistent)
  {
    state_attach_puts(_("[-- Error: "
                        "Missing or bad-format multipart/signed signature"
                        " --]\n\n"),
                      s);
    return mutt_body_handler(a, s);
  }

  if (s->flags & MUTT_DISPLAY)
  {
    crypt_fetch_signatures(&signatures, a->next, &sigcnt);

    if (sigcnt)
    {
      char tempfile[PATH_MAX];
      mutt_mktemp(tempfile, sizeof(tempfile));
      bool goodsig = true;
      if (crypt_write_signed(a, s, tempfile) == 0)
      {
        for (int i = 0; i < sigcnt; i++)
        {
          if (((WithCrypto & APPLICATION_PGP) != 0) &&
              (signatures[i]->type == TYPE_APPLICATION) &&
              (mutt_str_strcasecmp(signatures[i]->subtype, "pgp-signature") == 0))
          {
            if (crypt_pgp_verify_one(signatures[i], s, tempfile) != 0)
              goodsig = false;

            continue;
          }

          if (((WithCrypto & APPLICATION_SMIME) != 0) &&
              (signatures[i]->type == TYPE_APPLICATION) &&
              ((mutt_str_strcasecmp(signatures[i]->subtype,
                                    "x-pkcs7-signature") == 0) ||
               (mutt_str_strcasecmp(signatures[i]->subtype,
                                    "pkcs7-signature") == 0)))
          {
            if (crypt_smime_verify_one(signatures[i], s, tempfile) != 0)
              goodsig = false;

            continue;
          }

          state_printf(s,
                       _("[-- Warning: "
                         "We can't verify %s/%s signatures. --]\n\n"),
                       TYPE(signatures[i]), signatures[i]->subtype);
        }
      }

      mutt_file_unlink(tempfile);

      b->goodsig = goodsig;
      b->badsig = !goodsig;

      /* Now display the signed body */
      state_attach_puts(_("[-- The following data is signed --]\n\n"), s);

      mutt_protected_headers_handler(a, s);

      FREE(&signatures);
    }
    else
      state_attach_puts(_("[-- Warning: Can't find any signatures. --]\n\n"), s);
  }

  rc = mutt_body_handler(a, s);

  if (s->flags & MUTT_DISPLAY && sigcnt)
    state_attach_puts(_("\n[-- End of signed data --]\n"), s);

  return rc;
}
Пример #15
0
/**
 * mbox_mbox_sync - Implements MxOps::mbox_sync()
 */
static int mbox_mbox_sync(struct Mailbox *m, int *index_hint)
{
  if (!m)
    return -1;

  struct MboxAccountData *adata = mbox_adata_get(m);
  if (!adata)
    return -1;

  char tempfile[PATH_MAX];
  char buf[32];
  int i, j;
  enum SortType save_sort = SORT_ORDER;
  int rc = -1;
  int need_sort = 0; /* flag to resort mailbox if new mail arrives */
  int first = -1;    /* first message to be written */
  LOFF_T offset;     /* location in mailbox to write changed messages */
  struct stat statbuf;
  struct MUpdate *new_offset = NULL;
  struct MUpdate *old_offset = NULL;
  FILE *fp = NULL;
  struct Progress progress;
  char msgbuf[PATH_MAX + 64];

  /* sort message by their position in the mailbox on disk */
  if (C_Sort != SORT_ORDER)
  {
    save_sort = C_Sort;
    C_Sort = SORT_ORDER;
    mutt_mailbox_changed(m, MBN_RESORT);
    C_Sort = save_sort;
    need_sort = 1;
  }

  /* need to open the file for writing in such a way that it does not truncate
   * the file, so use read-write mode.  */
  adata->fp = freopen(m->path, "r+", adata->fp);
  if (!adata->fp)
  {
    mx_fastclose_mailbox(m);
    mutt_error(_("Fatal error!  Could not reopen mailbox!"));
    return -1;
  }

  mutt_sig_block();

  if (mbox_lock_mailbox(m, true, true) == -1)
  {
    mutt_sig_unblock();
    mutt_error(_("Unable to lock mailbox"));
    goto bail;
  }

  /* Check to make sure that the file hasn't changed on disk */
  i = mbox_mbox_check(m, index_hint);
  if ((i == MUTT_NEW_MAIL) || (i == MUTT_REOPENED))
  {
    /* new mail arrived, or mailbox reopened */
    rc = i;
    goto bail;
  }
  else if (i < 0)
  {
    /* fatal error */
    return -1;
  }

  /* Create a temporary file to write the new version of the mailbox in. */
  mutt_mktemp(tempfile, sizeof(tempfile));
  int fd = open(tempfile, O_WRONLY | O_EXCL | O_CREAT, 0600);
  if ((fd == -1) || !(fp = fdopen(fd, "w")))
  {
    if (fd != -1)
    {
      close(fd);
      unlink(tempfile);
    }
    mutt_error(_("Could not create temporary file"));
    goto bail;
  }

  /* find the first deleted/changed message.  we save a lot of time by only
   * rewriting the mailbox from the point where it has actually changed.  */
  for (i = 0; (i < m->msg_count) && !m->emails[i]->deleted &&
              !m->emails[i]->changed && !m->emails[i]->attach_del;
       i++)
  {
  }
  if (i == m->msg_count)
  {
    /* this means ctx->changed or m->msg_deleted was set, but no
     * messages were found to be changed or deleted.  This should
     * never happen, is we presume it is a bug in neomutt.  */
    mutt_error(
        _("sync: mbox modified, but no modified messages (report this bug)"));
    mutt_debug(LL_DEBUG1, "no modified messages\n");
    unlink(tempfile);
    goto bail;
  }

  /* save the index of the first changed/deleted message */
  first = i;
  /* where to start overwriting */
  offset = m->emails[i]->offset;

  /* the offset stored in the header does not include the MMDF_SEP, so make
   * sure we seek to the correct location */
  if (m->magic == MUTT_MMDF)
    offset -= (sizeof(MMDF_SEP) - 1);

  /* allocate space for the new offsets */
  new_offset = mutt_mem_calloc(m->msg_count - first, sizeof(struct MUpdate));
  old_offset = mutt_mem_calloc(m->msg_count - first, sizeof(struct MUpdate));

  if (!m->quiet)
  {
    snprintf(msgbuf, sizeof(msgbuf), _("Writing %s..."), m->path);
    mutt_progress_init(&progress, msgbuf, MUTT_PROGRESS_MSG, C_WriteInc, m->msg_count);
  }

  for (i = first, j = 0; i < m->msg_count; i++)
  {
    if (!m->quiet)
      mutt_progress_update(&progress, i, (int) (ftello(adata->fp) / (m->size / 100 + 1)));
    /* back up some information which is needed to restore offsets when
     * something fails.  */

    old_offset[i - first].valid = true;
    old_offset[i - first].hdr = m->emails[i]->offset;
    old_offset[i - first].body = m->emails[i]->content->offset;
    old_offset[i - first].lines = m->emails[i]->lines;
    old_offset[i - first].length = m->emails[i]->content->length;

    if (!m->emails[i]->deleted)
    {
      j++;

      if (m->magic == MUTT_MMDF)
      {
        if (fputs(MMDF_SEP, fp) == EOF)
        {
          mutt_perror(tempfile);
          unlink(tempfile);
          goto bail;
        }
      }

      /* save the new offset for this message.  we add 'offset' because the
       * temporary file only contains saved message which are located after
       * 'offset' in the real mailbox */
      new_offset[i - first].hdr = ftello(fp) + offset;

      if (mutt_copy_message_ctx(fp, m, m->emails[i], MUTT_CM_UPDATE,
                                CH_FROM | CH_UPDATE | CH_UPDATE_LEN) != 0)
      {
        mutt_perror(tempfile);
        unlink(tempfile);
        goto bail;
      }

      /* Since messages could have been deleted, the offsets stored in memory
       * will be wrong, so update what we can, which is the offset of this
       * message, and the offset of the body.  If this is a multipart message,
       * we just flush the in memory cache so that the message will be reparsed
       * if the user accesses it later.  */
      new_offset[i - first].body = ftello(fp) - m->emails[i]->content->length + offset;
      mutt_body_free(&m->emails[i]->content->parts);

      switch (m->magic)
      {
        case MUTT_MMDF:
          if (fputs(MMDF_SEP, fp) == EOF)
          {
            mutt_perror(tempfile);
            unlink(tempfile);
            goto bail;
          }
          break;
        default:
          if (fputs("\n", fp) == EOF)
          {
            mutt_perror(tempfile);
            unlink(tempfile);
            goto bail;
          }
      }
    }
  }

  if (fclose(fp) != 0)
  {
    fp = NULL;
    mutt_debug(LL_DEBUG1, "mutt_file_fclose (&) returned non-zero\n");
    unlink(tempfile);
    mutt_perror(tempfile);
    goto bail;
  }
  fp = NULL;

  /* Save the state of this folder. */
  if (stat(m->path, &statbuf) == -1)
  {
    mutt_perror(m->path);
    unlink(tempfile);
    goto bail;
  }

  fp = fopen(tempfile, "r");
  if (!fp)
  {
    mutt_sig_unblock();
    mx_fastclose_mailbox(m);
    mutt_debug(LL_DEBUG1, "unable to reopen temp copy of mailbox!\n");
    mutt_perror(tempfile);
    FREE(&new_offset);
    FREE(&old_offset);
    return -1;
  }

  if ((fseeko(adata->fp, offset, SEEK_SET) != 0) || /* seek the append location */
      /* do a sanity check to make sure the mailbox looks ok */
      !fgets(buf, sizeof(buf), adata->fp) ||
      ((m->magic == MUTT_MBOX) && !mutt_str_startswith(buf, "From ", CASE_MATCH)) ||
      ((m->magic == MUTT_MMDF) && (mutt_str_strcmp(MMDF_SEP, buf) != 0)))
  {
    mutt_debug(LL_DEBUG1, "message not in expected position\n");
    mutt_debug(LL_DEBUG1, "\tLINE: %s\n", buf);
    i = -1;
  }
  else
  {
    if (fseeko(adata->fp, offset, SEEK_SET) != 0) /* return to proper offset */
    {
      i = -1;
      mutt_debug(LL_DEBUG1, "fseek() failed\n");
    }
    else
    {
      /* copy the temp mailbox back into place starting at the first
       * change/deleted message */
      if (!m->quiet)
        mutt_message(_("Committing changes..."));
      i = mutt_file_copy_stream(fp, adata->fp);

      if (ferror(adata->fp))
        i = -1;
    }
    if (i == 0)
    {
      m->size = ftello(adata->fp); /* update the mailbox->size of the mailbox */
      if ((m->size < 0) || (ftruncate(fileno(adata->fp), m->size) != 0))
      {
        i = -1;
        mutt_debug(LL_DEBUG1, "ftruncate() failed\n");
      }
    }
  }

  mutt_file_fclose(&fp);
  fp = NULL;
  mbox_unlock_mailbox(m);

  if ((mutt_file_fclose(&adata->fp) != 0) || (i == -1))
  {
    /* error occurred while writing the mailbox back, so keep the temp copy around */

    char savefile[PATH_MAX];

    snprintf(savefile, sizeof(savefile), "%s/neomutt.%s-%s-%u", NONULL(C_Tmpdir),
             NONULL(Username), NONULL(ShortHostname), (unsigned int) getpid());
    rename(tempfile, savefile);
    mutt_sig_unblock();
    mx_fastclose_mailbox(m);
    mutt_pretty_mailbox(savefile, sizeof(savefile));
    mutt_error(_("Write failed!  Saved partial mailbox to %s"), savefile);
    FREE(&new_offset);
    FREE(&old_offset);
    return -1;
  }

  /* Restore the previous access/modification times */
  mbox_reset_atime(m, &statbuf);

  /* reopen the mailbox in read-only mode */
  adata->fp = fopen(m->path, "r");
  if (!adata->fp)
  {
    unlink(tempfile);
    mutt_sig_unblock();
    mx_fastclose_mailbox(m);
    mutt_error(_("Fatal error!  Could not reopen mailbox!"));
    FREE(&new_offset);
    FREE(&old_offset);
    return -1;
  }

  /* update the offsets of the rewritten messages */
  for (i = first, j = first; i < m->msg_count; i++)
  {
    if (!m->emails[i]->deleted)
    {
      m->emails[i]->offset = new_offset[i - first].hdr;
      m->emails[i]->content->hdr_offset = new_offset[i - first].hdr;
      m->emails[i]->content->offset = new_offset[i - first].body;
      m->emails[i]->index = j++;
    }
  }
  FREE(&new_offset);
  FREE(&old_offset);
  unlink(tempfile); /* remove partial copy of the mailbox */
  mutt_sig_unblock();

  if (C_CheckMboxSize)
  {
    struct Mailbox *tmp = mutt_find_mailbox(m->path);
    if (tmp && !tmp->has_new)
      mutt_update_mailbox(tmp);
  }

  return 0; /* signal success */

bail: /* Come here in case of disaster */

  mutt_file_fclose(&fp);

  /* restore offsets, as far as they are valid */
  if ((first >= 0) && old_offset)
  {
    for (i = first; (i < m->msg_count) && old_offset[i - first].valid; i++)
    {
      m->emails[i]->offset = old_offset[i - first].hdr;
      m->emails[i]->content->hdr_offset = old_offset[i - first].hdr;
      m->emails[i]->content->offset = old_offset[i - first].body;
      m->emails[i]->lines = old_offset[i - first].lines;
      m->emails[i]->content->length = old_offset[i - first].length;
    }
  }

  /* this is ok to call even if we haven't locked anything */
  mbox_unlock_mailbox(m);

  mutt_sig_unblock();
  FREE(&new_offset);
  FREE(&old_offset);

  adata->fp = freopen(m->path, "r", adata->fp);
  if (!adata->fp)
  {
    mutt_error(_("Could not reopen mailbox"));
    mx_fastclose_mailbox(m);
    return -1;
  }

  if (need_sort)
  {
    /* if the mailbox was reopened, the thread tree will be invalid so make
     * sure to start threading from scratch.  */
    mutt_mailbox_changed(m, MBN_RESORT);
  }

  return rc;
}
Пример #16
0
/* return values:
 *	0	success
 *	-1	failure
 */
int mbox_sync_mailbox(CONTEXT *ctx, int *index_hint)
{
    char tempfile[_POSIX_PATH_MAX];
    char buf[32];
    int i, j, save_sort = SORT_ORDER;
    int rc = -1;
    int need_sort = 0; /* flag to resort mailbox if new mail arrives */
    int first = -1;    /* first message to be written */
    LOFF_T offset;     /* location in mailbox to write changed messages */
    struct stat statbuf;
    struct m_update_t *newOffset = NULL;
    struct m_update_t *oldOffset = NULL;
    FILE *fp = NULL;
    progress_t progress;
    char msgbuf[STRING];

    /* sort message by their position in the mailbox on disk */
    if (Sort != SORT_ORDER) {
        save_sort = Sort;
        Sort = SORT_ORDER;
        mutt_sort_headers(ctx, 0);
        Sort = save_sort;
        need_sort = 1;
    }

    /* need to open the file for writing in such a way that it does not truncate
     * the file, so use read-write mode.
     */
    if ((ctx->fp = freopen(ctx->path, "r+", ctx->fp)) == NULL) {
        mx_fastclose_mailbox(ctx);
        mutt_error _("Fatal error!  Could not reopen mailbox!");
        return -1;
    }

    mutt_block_signals();

    if (mbox_lock_mailbox(ctx, 1, 1) == -1) {
        mutt_unblock_signals();
        mutt_error _("Unable to lock mailbox!");
        goto bail;
    }

    /* Check to make sure that the file hasn't changed on disk */
    if (((i = mbox_check_mailbox(ctx, index_hint)) == M_NEW_MAIL)
        || (i == M_REOPENED)) {
        /* new mail arrived, or mailbox reopened */
        need_sort = i;
        rc = i;
        goto bail;
    } else if (i < 0)
        /* fatal error */
        return -1;

    /* Create a temporary file to write the new version of the mailbox in. */
    mutt_mktemp(tempfile, sizeof(tempfile));

    if (((i = open(tempfile, O_WRONLY | O_EXCL | O_CREAT, 0600)) == -1)
        || ((fp = fdopen(i, "w")) == NULL)) {
        if (-1 != i) {
            close(i);
            unlink(tempfile);
        }
        mutt_error _("Could not create temporary file!");
        mutt_sleep(5);
        goto bail;
    }

    /* find the first deleted/changed message.  we save a lot of time by only
     * rewriting the mailbox from the point where it has actually changed.
     */
    for (i = 0; i < ctx->msgcount
         && !ctx->hdrs[i]->deleted
         && !ctx->hdrs[i]->changed
         && !ctx->hdrs[i]->attach_del; i++)
        ;

    if (i == ctx->msgcount) {
        /* this means ctx->changed or ctx->deleted was set, but no
         * messages were found to be changed or deleted.  This should
         * never happen, is we presume it is a bug in mutt.
         */
        mutt_error _(
            "sync: mbox modified, but no modified messages! (report this bug)");
        mutt_sleep(5); /* the mutt_error /will/ get cleared! */
        dprint(1, "mbox_sync_mailbox(): no modified messages.\n");
        unlink(tempfile);
        goto bail;
    }

    /* save the index of the first changed/deleted message */
    first = i;

    /* where to start overwriting */
    offset = ctx->hdrs[i]->offset;

    /* the offset stored in the header does not include the MMDF_SEP, so make
     * sure we seek to the correct location
     */
    if (ctx->magic == M_MMDF)
        offset -= (sizeof MMDF_SEP - 1);

    /* allocate space for the new offsets */
    newOffset = (__typeof__(newOffset)) safe_calloc(ctx->msgcount - first, sizeof(struct m_update_t));
    oldOffset = (__typeof__(oldOffset)) safe_calloc(ctx->msgcount - first, sizeof(struct m_update_t));

    if (!ctx->quiet) {
        snprintf(msgbuf, sizeof(msgbuf), _("Writing %s..."), ctx->path);
        mutt_progress_init(&progress,
                           msgbuf,
                           M_PROGRESS_MSG,
                           WriteInc,
                           ctx->msgcount);
    }

    for (i = first, j = 0; i < ctx->msgcount; i++) {
        if (!ctx->quiet)
            mutt_progress_update(&progress, i,
                                 (int)(ftello(ctx->fp) /
                                       (ctx->size / 100 + 1)));

        /*
         * back up some information which is needed to restore offsets when
         * something fails.
         */

        oldOffset[i - first].valid  = 1;
        oldOffset[i - first].hdr    = ctx->hdrs[i]->offset;
        oldOffset[i - first].body   = ctx->hdrs[i]->content->offset;
        oldOffset[i - first].lines  = ctx->hdrs[i]->lines;
        oldOffset[i - first].length = ctx->hdrs[i]->content->length;

        if (!ctx->hdrs[i]->deleted) {
            j++;

            if (ctx->magic == M_MMDF) {
                if (fputs(MMDF_SEP, fp) == EOF) {
                    mutt_perror(tempfile);
                    mutt_sleep(5);
                    unlink(tempfile);
                    goto bail;
                }
            }

            /* save the new offset for this message.  we add `offset' because
               the
             * temporary file only contains saved message which are located
             *after
             * `offset' in the real mailbox
             */
            newOffset[i - first].hdr = ftello(fp) + offset;

            if (mutt_copy_message(fp, ctx, ctx->hdrs[i], M_CM_UPDATE,
                                  CH_FROM | CH_UPDATE | CH_UPDATE_LEN) != 0) {
                mutt_perror(tempfile);
                mutt_sleep(5);
                unlink(tempfile);
                goto bail;
            }

            /* Since messages could have been deleted, the offsets stored in
               memory
             * will be wrong, so update what we can, which is the offset of this
             * message, and the offset of the body.  If this is a multipart
             *message,
             * we just flush the in memory cache so that the message will be
             *reparsed
             * if the user accesses it later.
             */
            newOffset[i - first].body = ftello(fp) -
                                        ctx->hdrs[i]->content->length + offset;
            mutt_free_body(&ctx->hdrs[i]->content->parts);

            switch (ctx->magic) {
            case M_MMDF:

                if (fputs(MMDF_SEP, fp) == EOF) {
                    mutt_perror(tempfile);
                    mutt_sleep(5);
                    unlink(tempfile);
                    goto bail;
                }
                break;

            default:

                if (fputs("\n", fp) == EOF) {
                    mutt_perror(tempfile);
                    mutt_sleep(5);
                    unlink(tempfile);
                    goto bail;
                }
            }
        }
    }

    if (fclose(fp) != 0) {
        fp = NULL;
        dprint(1, "mbox_sync_mailbox: safe_fclose (&) returned non-zero.\n");
        unlink(tempfile);
        mutt_perror(tempfile);
        mutt_sleep(5);
        goto bail;
    }
    fp = NULL;

    /* Save the state of this folder. */
    if (stat(ctx->path, &statbuf) == -1) {
        mutt_perror(ctx->path);
        mutt_sleep(5);
        unlink(tempfile);
        goto bail;
    }

    if ((fp = fopen(tempfile, "r")) == NULL) {
        mutt_unblock_signals();
        mx_fastclose_mailbox(ctx);
        dprint(1, "mbox_sync_mailbox: unable to reopen temp copy of mailbox!\n");
        mutt_perror(tempfile);
        mutt_sleep(5);
        return -1;
    }

    if ((fseeko(ctx->fp, offset, SEEK_SET) != 0) /* seek the append location */
        ||/* do a sanity check to make sure the mailbox looks ok */
        (fgets(buf, sizeof(buf), ctx->fp) == NULL)
        || ((ctx->magic == M_MBOX)
            && (mutt_strncmp("From ", buf, 5) != 0))
        || ((ctx->magic == M_MMDF)
            && (mutt_strcmp(MMDF_SEP, buf) != 0))) {
        dprint(1, "mbox_sync_mailbox: message not in expected position.");
        dprint(1, "\tLINE: %s\n", buf);
        i = -1;
    } else {
        if (fseeko(ctx->fp, offset, SEEK_SET) != 0) { /* return to proper offset
                                                         */
            i = -1;
            dprint(1, "mbox_sync_mailbox: fseek() failed\n");
        } else {
            /* copy the temp mailbox back into place starting at the first
             * change/deleted message
             */
            if (!ctx->quiet)
                mutt_message _("Committing changes...");
            i = mutt_copy_stream(fp, ctx->fp);

            if (ferror(ctx->fp))
                i = -1;
        }

        if (i == 0) {
            ctx->size = ftello(ctx->fp); /* update the size of the mailbox */
            ftruncate(fileno(ctx->fp), ctx->size);
        }
    }

    safe_fclose(&fp);
    fp = NULL;
    mbox_unlock_mailbox(ctx);

    if ((fclose(ctx->fp) != 0)
        || (i == -1)) {
        /* error occurred while writing the mailbox back, so keep the temp copy
         * around
         */

        char savefile[_POSIX_PATH_MAX];

        snprintf(savefile, sizeof(savefile), "%s/mutt.%s-%s-%u",
                 NONULL(Tempdir), NONULL(Username), NONULL(Hostname),
                 (unsigned int)getpid());
        rename(tempfile, savefile);
        mutt_unblock_signals();
        mx_fastclose_mailbox(ctx);
        mutt_pretty_mailbox(savefile, sizeof(savefile));
        mutt_error(_("Write failed!  Saved partial mailbox to %s"), savefile);
        mutt_sleep(5);
        return -1;
    }

    /* Restore the previous access/modification times */
    mbox_reset_atime(ctx, &statbuf);

    /* reopen the mailbox in read-only mode */
    if ((ctx->fp = fopen(ctx->path, "r")) == NULL) {
        unlink(tempfile);
        mutt_unblock_signals();
        mx_fastclose_mailbox(ctx);
        mutt_error _("Fatal error!  Could not reopen mailbox!");
        return -1;
    }

    /* update the offsets of the rewritten messages */
    for (i = first, j = first; i < ctx->msgcount; i++) {
        if (!ctx->hdrs[i]->deleted) {
            ctx->hdrs[i]->offset = newOffset[i - first].hdr;
            ctx->hdrs[i]->content->hdr_offset = newOffset[i - first].hdr;
            ctx->hdrs[i]->content->offset = newOffset[i - first].body;
            ctx->hdrs[i]->index = j++;
        }
    }
    safe_free(&newOffset);
    safe_free(&oldOffset);
    unlink(tempfile); /* remove partial copy of the mailbox */
    mutt_unblock_signals();

    return 0;         /* signal success */

    bail:             /* Come here in case of disaster */

    safe_fclose(&fp);

    /* restore offsets, as far as they are valid */
    if ((first >= 0)
        && oldOffset) {
        for (i = first; i < ctx->msgcount
             && oldOffset[i - first].valid; i++) {
            ctx->hdrs[i]->offset = oldOffset[i - first].hdr;
            ctx->hdrs[i]->content->hdr_offset = oldOffset[i - first].hdr;
            ctx->hdrs[i]->content->offset = oldOffset[i - first].body;
            ctx->hdrs[i]->lines = oldOffset[i - first].lines;
            ctx->hdrs[i]->content->length = oldOffset[i - first].length;
        }
    }

    /* this is ok to call even if we haven't locked anything */
    mbox_unlock_mailbox(ctx);

    mutt_unblock_signals();
    safe_free(&newOffset);
    safe_free(&oldOffset);

    if ((ctx->fp = freopen(ctx->path, "r", ctx->fp)) == NULL) {
        mutt_error _("Could not reopen mailbox!");
        mx_fastclose_mailbox(ctx);
        return -1;
    }

    if (need_sort)
        /* if the mailbox was reopened, the thread tree will be invalid so make
         * sure to start threading from scratch.  */
        mutt_sort_headers(ctx, (need_sort == M_REOPENED));

    return rc;
}
Пример #17
0
Файл: main.c Проект: 0xAX/muttx
int main(int argc, char **argv)
{
	char folder[_POSIX_PATH_MAX] = "";
	int flags = 0;

	/* set default locale */
	setlocale(LC_ALL, "");
	/* initialization of main output routines with default values */
	mutt_error = mutt_message = mutt_nocurses_error;

	/* parse command line options */
        parse_argv(argc, argv);

        if (arg_version == 1)
        {
                show_version();
		exit(RETURN_SUCCESS);
        } else if (arg_version == 2)
        {
                show_version_verbose();
                exit(RETURN_SUCCESS);
        }

        if (arg_execute)
        {
                init(commands);
                is_mutt_init = true;
        }

        if (arg_expand_alias)
        {
                struct list_t *alias;

                if (!is_mutt_init)
                        init(commands);

                for(alias = aliases; alias; alias = alias->next)
                {
                        struct address *a = mutt_lookup_alias(alias->data);

                        if (a)
                        {
                                printf("alias->data %s\n", alias->data);
                                mutt_write_address_list(a, stdout, 0, 0);
                        }
                }
                exit(RETURN_SUCCESS);
        }

        if (arg_query_conf)
        {
                if (!is_mutt_init)
                        init(commands);

                if (queries)
                        return mutt_query_variables(queries);

                exit(RETURN_SUCCESS);
        }

        if (arg_emulate_mailx) {
                sendflags |= SENDMAILX;
        }

        if (arg_mailbox)
                strfcpy(folder, arg_mailbox, sizeof(folder));

        if (arg_mailbox_type)
                mx_set_magic(arg_mailbox_type);

        if (arg_resume_postponed)
                sendflags |= SENDPOSTPONED;

        /* no-curses for non-terminal session */
	if (!isatty(STDIN_FILENO))
	{
		set_bit(options, OPTNOCURSES);
		sendflags = SENDBATCH;
	}
	else
	{
		/*
		 * This must come before mutt_init() because curses needs to be started
		 * before calling the init_pair() function to set the color scheme.
		 */
		start_curses();
		/* check whether terminal status is supported */
		term_status = mutt_ts_capability();
	}

	/* Initialize crypto backends. */
	crypt_init();

	if (!is_mutt_init)
		init(commands);

	if (!bit_val(options, OPTNOCURSES))
	{
		SETCOLOR(MT_COLOR_NORMAL);
		clear();
		mutt_error = mutt_curses_error;
		mutt_message = mutt_curses_message;
	}

	/* Create the Maildir directory if it doesn't exist */
	if (!bit_val(options, OPTNOCURSES) && Maildir)
	{
		struct stat sb;
		char fpath[_POSIX_PATH_MAX];
		char msg[STRING];

		strfcpy(fpath, Maildir, sizeof(fpath));
		mutt_expand_path(fpath, sizeof(fpath));
#if USE_IMAP
		/* we're not connected yet - skip mail folder creation */
		if (!mx_is_imap(fpath))
#endif
			if (stat(fpath, &sb) == -1 && errno == ENOENT)
			{
				snprintf(msg, sizeof(msg), ("%s does not exist. Create it?"), Maildir);
				if (mutt_yesorno(msg, M_YES) == M_YES)
					if (mkdir(fpath, 0700) == -1 && errno != EEXIST)
						mutt_error( ("Can't create %s: %s."), Maildir, strerror(errno));
			}
	}

	if (sendflags & SENDPOSTPONED)
	{
		if (!bit_val(options, OPTNOCURSES))
			mutt_flushinp();
		ci_send_message(SENDPOSTPONED, NULL, NULL, NULL, NULL);
		mutt_endwin(NULL);
	}
	else if (arg_subject || msg || sendflags || arg_include || attach)
	{
		FILE *fin = NULL;
		char buf[LONG_STRING];
		char *tempfile = NULL, *infile = NULL;
		char *bodytext = NULL;
		int rv = 0;

		if (!bit_val(options, OPTNOCURSES))
			mutt_flushinp();

		if (!msg)
			msg = mutt_new_header();
		if (!msg->env)
			msg->env = mutt_new_envelope();

		for(; addr_to; addr_to = addr_to->next)
		{
			if (url_check_scheme(addr_to->data) == U_MAILTO)
			{
				if (url_parse_mailto(msg->env, &bodytext, addr_to->data) < 0)
				{
					if (!bit_val(options, OPTNOCURSES))
						mutt_endwin(NULL);
					fputs(("Failed to parse mailto: link\n"), stderr);
					exit(RETURN_WRONG_ADDR);
				}
			}
			else
				msg->env->to = rfc822_parse_adrlist(msg->env->to, addr_to->data);
		}

		if (bit_val(options, OPTAUTOEDIT) && !msg->env->to && !msg->env->cc)
		{
			if (!bit_val(options, OPTNOCURSES))
				mutt_endwin(NULL);
			fputs(("No recipients specified.\n"), stderr);
			exit(RETURN_ERR_ARG);
		}

		if (arg_subject)
			msg->env->subject = safe_strdup(arg_subject);

                if (arg_include)
                        infile = arg_include;

		if (infile || bodytext)
		{
			if (infile)
			{
				if (mutt_strcmp("-", infile) == 0)
					fin = stdin;
				else
				{
					char path[_POSIX_PATH_MAX];

					strfcpy(path, infile, sizeof(path));
					mutt_expand_path(path, sizeof(path));
					if ((fin = fopen(path, "r")) == NULL)
					{
						if (!bit_val(options, OPTNOCURSES))
							mutt_endwin(NULL);
						perror(path);
						exit(RETURN_ERR_ARG);
					}
				}
			}

			mutt_mktemp(buf, sizeof(buf));
			tempfile = safe_strdup(buf);

			/* TODO: is the following if still needed? */
			if (tempfile)
			{
				FILE *fout;

				if ((fout = safe_fopen(tempfile, "w")) == NULL)
				{
					if (!bit_val(options, OPTNOCURSES))
						mutt_endwin(NULL);
					perror(tempfile);
					safe_fclose(&fin);
					safe_free(&tempfile);
					exit(RETURN_ERR_ARG);
				}
				if (fin)
					mutt_copy_stream(fin, fout);
				else if (bodytext)
					fputs(bodytext, fout);
				safe_fclose(&fout);
			}

			if (fin && fin != stdin)
				safe_fclose(&fin);
		}

		safe_free(&bodytext);

		if (attach)
		{
			struct list_t *t = attach;
			struct body *a = NULL;

			while(t)
			{
				if (a)
				{
					a->next = mutt_make_file_attach(t->data);
					a = a->next;
				}
				else
					msg->content = a = mutt_make_file_attach(t->data);
				if (!a)
				{
					if (!bit_val(options, OPTNOCURSES))
						mutt_endwin(NULL);
					fprintf(stderr, ("%s: unable to attach file.\n"), t->data);
					mutt_free_list(&attach);
					exit(RETURN_ERR_ARG);
				}
				t = t->next;
			}
			mutt_free_list(&attach);
		}

		rv = ci_send_message(sendflags, msg, tempfile, NULL, NULL);

		if (!bit_val(options, OPTNOCURSES))
			mutt_endwin(NULL);

		if (rv)
			exit(RETURN_ERR_ARG);
	}
	else
	{

		if (!folder[0])
			strfcpy(folder, NONULL(Spoolfile), sizeof(folder));
		mutt_expand_path(folder, sizeof(folder));

		mutt_str_replace(&CurrentFolder, folder);
		mutt_str_replace(&LastFolder, folder);
		mutt_folder_hook(folder);

		if ((Context = mx_open_mailbox(folder, flags, NULL)) || !arg_mailbox)
		{
			mutt_index_menu();
			if (Context)
				safe_free(&Context);
		}
#if USE_IMAP
		imap_logout_all();
#endif

#if USE_SASL
		mutt_sasl_done();
#endif
		mutt_free_opts();
		mutt_endwin(Errorbuf);
	}
	exit(RETURN_SUCCESS);
}
Пример #18
0
void mutt_attach_reply (FILE * fp, struct header *hdr,
			ATTACHPTR ** idx, short idxlen, struct body * cur,
			int flags)
{
	short mime_reply_any = 0;

	short nattach = 0;
	struct header *parent = NULL;
	struct header *tmphdr = NULL;
	short i;

	STATE st;
	char tmpbody[_POSIX_PATH_MAX];
	FILE *tmpfp;

	char prefix[SHORT_STRING];
	int rc;

	if (check_all_msg (idx, idxlen, cur, 0) == -1)
	{
		nattach = count_tagged (idx, idxlen);
		if ((parent = find_parent (idx, idxlen, cur, nattach)) == NULL)
			parent = hdr;
	}

	if (nattach > 1 && !check_can_decode (idx, idxlen, cur))
	{
		if ((rc = query_quadoption (OPT_MIMEFWDREST,
					    ("Can't decode all tagged attachments.  MIME-encapsulate the others?"))) == -1)
			return;
		else if (rc == M_YES)
			mime_reply_any = 1;
	}
	else if (nattach == 1)
		mime_reply_any = 1;

	tmphdr = mutt_new_header ();
	tmphdr->env = mutt_new_envelope ();

	if (attach_reply_envelope_defaults (tmphdr->env, idx, idxlen,
					    parent ? parent : (cur ? cur->hdr : NULL), flags) == -1)
	{
		mutt_free_header (&tmphdr);
		return;
	}

	mutt_mktemp (tmpbody, sizeof (tmpbody));
	if ((tmpfp = safe_fopen (tmpbody, "w")) == NULL)
	{
		mutt_error (("Can't create %s."), tmpbody);
		mutt_free_header (&tmphdr);
		return;
	}

	if (!parent)
	{
		if (cur)
			attach_include_reply (fp, tmpfp, cur->hdr, flags);
		else
		{
			for (i = 0; i < idxlen; i++)
			{
				if (idx[i]->content->tagged)
					attach_include_reply (fp, tmpfp, idx[i]->content->hdr, flags);
			}
		}
	}
	else
	{
		mutt_make_attribution (Context, parent, tmpfp);

		memset (&st, 0, sizeof (STATE));
		st.fpin = fp;
		st.fpout = tmpfp;

		if (!bit_val(options, OPTTEXTFLOWED))
			_mutt_make_string (prefix, sizeof (prefix), NONULL (Prefix),
					   Context, parent, 0);
		else
			strfcpy (prefix, ">", sizeof (prefix));

		st.prefix = prefix;
		st.flags  = M_CHARCONV;

		if (bit_val(options, OPTWEED))
			st.flags |= M_WEED;

		if (bit_val(options, OPTHEADER))
			include_header (1, fp, parent, tmpfp, prefix);

		if (cur)
		{
			if (mutt_can_decode (cur))
			{
				mutt_body_handler (cur, &st);
				state_putc ('\n', &st);
			}
			else
				mutt_copy_body (fp, &tmphdr->content, cur);
		}
		else
		{
			for (i = 0; i < idxlen; i++)
			{
				if (idx[i]->content->tagged && mutt_can_decode (idx[i]->content))
				{
					mutt_body_handler (idx[i]->content, &st);
					state_putc ('\n', &st);
				}
			}
		}

		mutt_make_post_indent (Context, parent, tmpfp);

		if (mime_reply_any && !cur &&
		    copy_problematic_attachments (fp, &tmphdr->content, idx, idxlen, 0) == NULL)
		{
			mutt_free_header (&tmphdr);
			safe_fclose (&tmpfp);
			return;
		}
	}

	safe_fclose (&tmpfp);

	if (ci_send_message (flags, tmphdr, tmpbody, NULL,
			     parent ? parent : (cur ? cur->hdr : NULL)) == 0)
		mutt_set_flag (Context, hdr, M_REPLIED, 1);
}
Пример #19
0
/* return 1 if require full screen redraw, 0 otherwise */
int mutt_compose_attachment (BODY *a)
{
  char type[STRING];
  char command[STRING];
  char newfile[_POSIX_PATH_MAX] = "";
  rfc1524_entry *entry = rfc1524_new_entry ();
  short unlink_newfile = 0;
  int rc = 0;
  
  snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
  if (rfc1524_mailcap_lookup (a, type, entry, M_COMPOSE))
  {
    if (entry->composecommand || entry->composetypecommand)
    {

      if (entry->composetypecommand)
	strfcpy (command, entry->composetypecommand, sizeof (command));
      else 
	strfcpy (command, entry->composecommand, sizeof (command));
      if (rfc1524_expand_filename (entry->nametemplate,
				      a->filename, newfile, sizeof (newfile)))
      {
	dprint(1, (debugfile, "oldfile: %s\t newfile: %s\n",
				  a->filename, newfile));
	if (safe_symlink (a->filename, newfile) == -1)
	{
	  if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES) != M_YES)
	    goto bailout;
	}
	else
	  unlink_newfile = 1;
      }
      else
	strfcpy(newfile, a->filename, sizeof(newfile));
      
      if (rfc1524_expand_command (a, newfile, type,
				      command, sizeof (command)))
      {
	/* For now, editing requires a file, no piping */
	mutt_error _("Mailcap compose entry requires %%s");
      }
      else
      {
	int r;

	mutt_endwin (NULL);
	if ((r = mutt_system (command)) == -1)
	  mutt_error (_("Error running \"%s\"!"), command);
	
	if (r != -1 && entry->composetypecommand)
	{
	  BODY *b;
	  FILE *fp, *tfp;
	  char tempfile[_POSIX_PATH_MAX];

	  if ((fp = safe_fopen (a->filename, "r")) == NULL)
	  {
	    mutt_perror _("Failure to open file to parse headers.");
	    goto bailout;
	  }

	  b = mutt_read_mime_header (fp, 0);
	  if (b)
	  {
	    if (b->parameter)
	    {
	      mutt_free_parameter (&a->parameter);
	      a->parameter = b->parameter;
	      b->parameter = NULL;
	    }
	    if (b->description) {
	      FREE (&a->description);
	      a->description = b->description;
	      b->description = NULL;
	    }
	    if (b->form_name)
	    {
	      FREE (&a->form_name);
	      a->form_name = b->form_name;
	      b->form_name = NULL;
	    }

	    /* Remove headers by copying out data to another file, then 
	     * copying the file back */
	    fseeko (fp, b->offset, 0);
	    mutt_mktemp (tempfile, sizeof (tempfile));
	    if ((tfp = safe_fopen (tempfile, "w")) == NULL)
	    {
	      mutt_perror _("Failure to open file to strip headers.");
	      goto bailout;
	    }
	    mutt_copy_stream (fp, tfp);
	    safe_fclose (&fp);
	    safe_fclose (&tfp);
	    mutt_unlink (a->filename);  
	    if (mutt_rename_file (tempfile, a->filename) != 0) 
	    {
	      mutt_perror _("Failure to rename file.");
	      goto bailout;
	    }

	    mutt_free_body (&b);
	  }
	}
      }
    }
  }
  else
  {
    rfc1524_free_entry (&entry);
    mutt_message (_("No mailcap compose entry for %s, creating empty file."),
		   type);
    return 1;
  }

  rc = 1;
  
  bailout:
  
  if(unlink_newfile)
    unlink(newfile);

  rfc1524_free_entry (&entry);
  return rc;
}
Пример #20
0
int mutt_print_attachment (FILE *fp, BODY *a)
{
  char newfile[_POSIX_PATH_MAX] = "";
  char type[STRING];
  pid_t thepid;
  FILE *ifp, *fpout;
  short unlink_newfile = 0;
  
  snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);

  if (rfc1524_mailcap_lookup (a, type, NULL, M_PRINT)) 
  {
    char command[_POSIX_PATH_MAX+STRING];
    rfc1524_entry *entry;
    int piped = FALSE;

    dprint (2, (debugfile, "Using mailcap...\n"));
    
    entry = rfc1524_new_entry ();
    rfc1524_mailcap_lookup (a, type, entry, M_PRINT);
    if (rfc1524_expand_filename (entry->nametemplate, a->filename,
						  newfile, sizeof (newfile)))
    {
      if (!fp)
      {
	if (safe_symlink(a->filename, newfile) == -1)
	{
	  if (mutt_yesorno (_("Can't match nametemplate, continue?"), M_YES) != M_YES)
	  {
	    rfc1524_free_entry (&entry);
	    return 0;
	  }
	  strfcpy (newfile, a->filename, sizeof (newfile));
	}
	else
	  unlink_newfile = 1;
      }
    }

    /* in recv mode, save file to newfile first */
    if (fp)
      mutt_save_attachment (fp, a, newfile, 0, NULL);

    strfcpy (command, entry->printcommand, sizeof (command));
    piped = rfc1524_expand_command (a, newfile, type, command, sizeof (command));

    mutt_endwin (NULL);

    /* interactive program */
    if (piped)
    {
      if ((ifp = fopen (newfile, "r")) == NULL)
      {
	mutt_perror ("fopen");
	rfc1524_free_entry (&entry);
	return (0);
      }

      if ((thepid = mutt_create_filter (command, &fpout, NULL, NULL)) < 0)
      {
	mutt_perror _("Can't create filter");
	rfc1524_free_entry (&entry);
	safe_fclose (&ifp);
	return 0;
      }
      mutt_copy_stream (ifp, fpout);
      safe_fclose (&fpout);
      safe_fclose (&ifp);
      if (mutt_wait_filter (thepid) || option (OPTWAITKEY))
	mutt_any_key_to_continue (NULL);
    }
    else
    {
      if (mutt_system (command) || option (OPTWAITKEY))
	mutt_any_key_to_continue (NULL);
    }

    if (fp)
      mutt_unlink (newfile);
    else if (unlink_newfile)
      unlink(newfile);

    rfc1524_free_entry (&entry);
    return (1);
  }

  if (!ascii_strcasecmp ("text/plain", type) ||
      !ascii_strcasecmp ("application/postscript", type))
  {
    return (mutt_pipe_attachment (fp, a, NONULL(PrintCmd), NULL));
  }
  else if (mutt_can_decode (a))
  {
    /* decode and print */

    int rc = 0;
    
    ifp = NULL;
    fpout = NULL;
    
    mutt_mktemp (newfile, sizeof (newfile));
    if (mutt_decode_save_attachment (fp, a, newfile, M_PRINTING, 0) == 0)
    {
      
      dprint (2, (debugfile, "successfully decoded %s type attachment to %s\n",
		  type, newfile));
      
      if ((ifp = fopen (newfile, "r")) == NULL)
      {
	mutt_perror ("fopen");
	goto bail0;
      }

      dprint (2, (debugfile, "successfully opened %s read-only\n", newfile));
      
      mutt_endwin (NULL);
      if ((thepid = mutt_create_filter (NONULL(PrintCmd), &fpout, NULL, NULL)) < 0)
      {
	mutt_perror _("Can't create filter");
	goto bail0;
      }

      dprint (2, (debugfile, "Filter created.\n"));
      
      mutt_copy_stream (ifp, fpout);

      safe_fclose (&fpout);
      safe_fclose (&ifp);

      if (mutt_wait_filter (thepid) != 0 || option (OPTWAITKEY))
	mutt_any_key_to_continue (NULL);
      rc = 1;
    }
  bail0:
    safe_fclose (&ifp);
    safe_fclose (&fpout);
    mutt_unlink (newfile);
    return rc;
  }
  else
  {
    mutt_error _("I don't know how to print that!");
    return 0;
  }
}
Пример #21
0
int mutt_display_message (HEADER *cur)
{
  char tempfile[_POSIX_PATH_MAX], buf[LONG_STRING];
  int rc = 0, builtin = 0;
  int cmflags = M_CM_DECODE | M_CM_DISPLAY | M_CM_CHARCONV;
  FILE *fpout = NULL;
  FILE *fpfilterout = NULL;
  pid_t filterpid = -1;
  int res;

  snprintf (buf, sizeof (buf), "%s/%s", TYPE (cur->content),
	    cur->content->subtype);

  mutt_parse_mime_message (Context, cur);
  mutt_message_hook (Context, cur, M_MESSAGEHOOK);

  /* see if crypto is needed for this message.  if so, we should exit curses */
  if (WithCrypto && cur->security)
  {
    if (cur->security & ENCRYPT)
    {
      if (cur->security & APPLICATION_SMIME)
	crypt_smime_getkeys (cur->env);
      if(!crypt_valid_passphrase(cur->security))
	return 0;

      cmflags |= M_CM_VERIFY;
    }
    else if (cur->security & SIGN)
    {
      /* find out whether or not the verify signature */
      if (query_quadoption (OPT_VERIFYSIG, _("Verify PGP signature?")) == M_YES)
      {
	cmflags |= M_CM_VERIFY;
      }
    }
  }
  
  if (cmflags & M_CM_VERIFY || cur->security & ENCRYPT)
  {
    if (cur->security & APPLICATION_PGP)
    {
      if (cur->env->from)
        crypt_pgp_invoke_getkeys (cur->env->from);
      
      crypt_invoke_message (APPLICATION_PGP);
    }

    if (cur->security & APPLICATION_SMIME)
      crypt_invoke_message (APPLICATION_SMIME);
  }


  mutt_mktemp (tempfile, sizeof (tempfile));
  if ((fpout = safe_fopen (tempfile, "w")) == NULL)
  {
    mutt_error _("Could not create temporary file!");
    return (0);
  }

  if (DisplayFilter && *DisplayFilter) 
  {
    fpfilterout = fpout;
    fpout = NULL;
    /* mutt_endwin (NULL); */
    filterpid = mutt_create_filter_fd (DisplayFilter, &fpout, NULL, NULL,
				       -1, fileno(fpfilterout), -1);
    if (filterpid < 0)
    {
      mutt_error (_("Cannot create display filter"));
      safe_fclose (&fpfilterout);
      unlink (tempfile);
      return 0;
    }
  }

  if (!Pager || mutt_strcmp (Pager, "builtin") == 0)
    builtin = 1;
  else
  {
    struct hdr_format_info hfi;
    hfi.ctx = Context;
    hfi.pager_progress = ExtPagerProgress;
    hfi.hdr = cur;
    mutt_make_string_info (buf, sizeof (buf), NONULL(PagerFmt), &hfi, M_FORMAT_MAKEPRINT);
    fputs (buf, fpout);
    fputs ("\n\n", fpout);
  }

  res = mutt_copy_message (fpout, Context, cur, cmflags,
       	(option (OPTWEED) ? (CH_WEED | CH_REORDER) : 0) | CH_DECODE | CH_FROM | CH_DISPLAY);
  if ((safe_fclose (&fpout) != 0 && errno != EPIPE) || res < 0)
  {
    mutt_error (_("Could not copy message"));
    if (fpfilterout != NULL)
    {
      mutt_wait_filter (filterpid);
      safe_fclose (&fpfilterout);
    }
    mutt_unlink (tempfile);
    return 0;
  }

  if (fpfilterout != NULL && mutt_wait_filter (filterpid) != 0)
    mutt_any_key_to_continue (NULL);

  safe_fclose (&fpfilterout);	/* XXX - check result? */

  
  if (WithCrypto)
  {
    /* update crypto information for this message */
    cur->security &= ~(GOODSIGN|BADSIGN);
    cur->security |= crypt_query (cur->content);
  
    /* Remove color cache for this message, in case there
       are color patterns for both ~g and ~V */
    cur->pair = 0;
  }

  if (builtin)
  {
    pager_t info;

    if (WithCrypto 
        && (cur->security & APPLICATION_SMIME) && (cmflags & M_CM_VERIFY))
    {
      if (cur->security & GOODSIGN)
      {
	if (!crypt_smime_verify_sender(cur))
	  mutt_message ( _("S/MIME signature successfully verified."));
	else
	  mutt_error ( _("S/MIME certificate owner does not match sender."));
      }
      else if (cur->security & PARTSIGN)
	mutt_message (_("Warning: Part of this message has not been signed."));
      else if (cur->security & SIGN || cur->security & BADSIGN)
	mutt_error ( _("S/MIME signature could NOT be verified."));
    }

    if (WithCrypto 
        && (cur->security & APPLICATION_PGP) && (cmflags & M_CM_VERIFY))
    {
      if (cur->security & GOODSIGN)
	mutt_message (_("PGP signature successfully verified."));
      else if (cur->security & PARTSIGN)
	mutt_message (_("Warning: Part of this message has not been signed."));
      else if (cur->security & SIGN)
	mutt_message (_("PGP signature could NOT be verified."));
    }

    /* Invoke the builtin pager */
    memset (&info, 0, sizeof (pager_t));
    info.hdr = cur;
    info.ctx = Context;
    rc = mutt_pager (NULL, tempfile, M_PAGER_MESSAGE, &info);
  }
  else
  {
    int r;

    mutt_endwin (NULL);
    snprintf (buf, sizeof (buf), "%s %s", NONULL(Pager), tempfile);
    if ((r = mutt_system (buf)) == -1)
      mutt_error (_("Error running \"%s\"!"), buf);
    unlink (tempfile);
    if (!option (OPTNOCURSES))
      keypad (stdscr, TRUE);
    if (r != -1)
      mutt_set_flag (Context, cur, M_READ, 1);
    if (r != -1 && option (OPTPROMPTAFTER))
    {
      mutt_unget_event (mutt_any_key_to_continue _("Command: "), 0);
      rc = km_dokey (MENU_PAGER);
    }
    else
      rc = 0;
  }

  return rc;
}
Пример #22
0
void mutt_edit_headers (const char *editor,
			const char *body,
			HEADER *msg,
			char *fcc,
			size_t fcclen)
{
  char path[_POSIX_PATH_MAX];	/* tempfile used to edit headers + body */
  char buffer[LONG_STRING];
  char *p;
  FILE *ifp, *ofp;
  int i, keep;
  int in_reply_to = 0;	/* did we see the in-reply-to field ? */
  ENVELOPE *n;
  time_t mtime;
  struct stat st;
  LIST *cur, *last = NULL, *tmp;

  mutt_mktemp (path);
  if ((ofp = safe_fopen (path, "w")) == NULL)
  {
    mutt_perror (path);
    return;
  }

  mutt_write_rfc822_header (ofp, msg->env, NULL, 1, 0);
  fputc ('\n', ofp);	/* tie off the header. */

  /* now copy the body of the message. */
  if ((ifp = fopen (body, "r")) == NULL)
  {
    mutt_perror (body);
    return;
  }

  mutt_copy_stream (ifp, ofp);

  fclose (ifp);
  fclose (ofp);

  if (stat (path, &st) == -1)
  {
    mutt_perror (path);
    return;
  }

  mtime = st.st_mtime;
  mutt_edit_file (editor, path);
  stat (path, &st);
  if (mtime == st.st_mtime)
  {
    dprint (1, (debugfile, "ci_edit_headers(): temp file was not modified.\n"));
    /* the file has not changed! */
    mutt_unlink (path);
    return;
  }

  mutt_unlink (body);
  mutt_free_list (&msg->env->userhdrs);

  /* Read the temp file back in */
  if ((ifp = fopen (path, "r")) == NULL)
  {
    mutt_perror (path);
    return;
  }
  
  if ((ofp = safe_fopen (body, "w")) == NULL)
  {
    /* intentionally leak a possible temporary file here */
    fclose (ifp);
    mutt_perror (body);
    return;
  }
  
  n = mutt_read_rfc822_header (ifp, NULL, 1, 0);
  while ((i = fread (buffer, 1, sizeof (buffer), ifp)) > 0)
    fwrite (buffer, 1, i, ofp);
  fclose (ofp);
  fclose (ifp);
  mutt_unlink (path);

  /* restore old info. */
  n->references = msg->env->references;
  msg->env->references = NULL;
  mutt_free_envelope (&msg->env);
  msg->env = n;

  mutt_expand_aliases_env (msg->env);
  
  /* search through the user defined headers added to see if either a 
   * fcc: or attach-file: field was specified.  
   */

  cur = msg->env->userhdrs;
  while (cur)
  {
    keep = 1;

    /* keep track of whether or not we see the in-reply-to field.  if we did
     * not, remove the references: field later so that we can generate a new
     * message based upon this one.
     */
    if (mutt_strncasecmp ("in-reply-to. good thing you replied:", cur->data, 12) == 0)
      in_reply_to = 1;
    else if (fcc && mutt_strncasecmp ("fcc:", cur->data, 4) == 0)
    {
      p = cur->data + 4;
      SKIPWS (p);
      if (*p)
      {
	strfcpy (fcc, p, fcclen);
	mutt_pretty_mailbox (fcc);
      }
      keep = 0;
    }
    else if (mutt_strncasecmp ("attach file:", cur->data, 7) == 0)
    {
      BODY *body;
      BODY *parts;
      char *q;

      p = cur->data + 7;
      SKIPWS (p);
      if (*p)
      {
	if ((q = strpbrk (p, " \t")))
	{
	  mutt_substrcpy (path, p, q, sizeof (path));
	  SKIPWS (q);
	}
	else
	  strfcpy (path, p, sizeof (path));
	mutt_expand_path (path, sizeof (path));
	if ((body = mutt_make_file_attach (path)))
	{
	  body->description = safe_strdup (q);
	  for (parts = msg->content; parts->next; parts = parts->next) ;
	  parts->next = body;
	}
	else
	{
	  mutt_pretty_mailbox (path);
	  mutt_error (_("%s: unable to attach file. try again"), path);
	}
      }
      keep = 0;
    }



#ifdef HAVE_PGP
    else if (mutt_strncasecmp ("pgp:", cur->data, 4) == 0)
    {
      msg->pgp = mutt_parse_pgp_hdr (cur->data + 4, 0);
      keep = 0;
    }
#endif


    if (keep)
    {
      last = cur;
      cur = cur->next;
    }
    else
    {
      if (last)
	last->next = cur->next;
      else
	msg->env->userhdrs = cur->next;
      tmp = cur;
      cur = cur->next;
      tmp->next = NULL;
      mutt_free_list (&tmp);
    }
  }

  if (!in_reply_to)
    mutt_free_list (&msg->env->references);
}
Пример #23
0
static int edit_one_message (CONTEXT *ctx, HEADER *cur)
{
  char tmp[_POSIX_PATH_MAX];
  char buff[STRING];
  int omagic;
  int oerrno;
  int rc;

  unsigned short o_read;
  unsigned short o_old;

  int of, cf;
  
  CONTEXT tmpctx;
  MESSAGE *msg;

  FILE *fp = NULL;

  struct stat sb;
  time_t mtime = 0;
  
  mutt_mktemp (tmp, sizeof (tmp));

  omagic = DefaultMagic;
  DefaultMagic = MUTT_MBOX;

  rc = (mx_open_mailbox (tmp, MUTT_NEWFOLDER, &tmpctx) == NULL) ? -1 : 0;

  DefaultMagic = omagic;

  if (rc == -1)
  {
    mutt_error (_("could not create temporary folder: %s"), strerror (errno));
    return -1;
  }

  rc = mutt_append_message (&tmpctx, ctx, cur, 0, CH_NOLEN |
	((ctx->magic == MUTT_MBOX || ctx->magic == MUTT_MMDF) ? 0 : CH_NOSTATUS));
  oerrno = errno;

  mx_close_mailbox (&tmpctx, NULL);

  if (rc == -1)
  {
    mutt_error (_("could not write temporary mail folder: %s"), strerror (oerrno));
    goto bail;
  }

  if ((rc = stat (tmp, &sb)) == -1)
  {
    mutt_error (_("Can't stat %s: %s"), tmp, strerror (errno));
    goto bail;
  }

  /*
   * 2002-09-05 [email protected]
   * The file the user is going to edit is not a real mbox, so we need to
   * truncate the last newline in the temp file, which is logically part of
   * the message separator, and not the body of the message.  If we fail to
   * remove it, the message will grow by one line each time the user edits
   * the message.
   */
  if (sb.st_size != 0 && truncate (tmp, sb.st_size - 1) == -1)
  {
    mutt_error (_("could not truncate temporary mail folder: %s"),
		strerror (errno));
    goto bail;
  }

  mtime = mutt_decrease_mtime (tmp, &sb);

  mutt_edit_file (NONULL(Editor), tmp);

  if ((rc = stat (tmp, &sb)) == -1)
  {
    mutt_error (_("Can't stat %s: %s"), tmp, strerror (errno));
    goto bail;
  }
  
  if (sb.st_size == 0)
  {
    mutt_message (_("Message file is empty!"));
    rc = 1;
    goto bail;
  }

  if (sb.st_mtime == mtime)
  {
    mutt_message (_("Message not modified!"));
    rc = 1;
    goto bail;
  }

  if ((fp = fopen (tmp, "r")) == NULL)
  {
    rc = -1;
    mutt_error (_("Can't open message file: %s"), strerror (errno));
    goto bail;
  }

  if (mx_open_mailbox (ctx->path, MUTT_APPEND, &tmpctx) == NULL)
  {
    rc = -1;
    /* L10N: %s is from strerror(errno) */
    mutt_error (_("Can't append to folder: %s"), strerror (errno));
    goto bail;
  }

  of = 0;
  cf = ((tmpctx.magic == MUTT_MBOX || tmpctx.magic == MUTT_MMDF) ? 0 : CH_NOSTATUS);
  
  if (fgets (buff, sizeof (buff), fp) && is_from (buff, NULL, 0, NULL))
  {
    if (tmpctx.magic == MUTT_MBOX || tmpctx.magic == MUTT_MMDF)
      cf = CH_FROM | CH_FORCE_FROM;
  }
  else
    of = MUTT_ADD_FROM;

  /* 
   * XXX - we have to play games with the message flags to avoid
   * problematic behavior with maildir folders.
   *
   */

  o_read = cur->read; o_old = cur->old;
  cur->read = cur->old = 0;
  msg = mx_open_new_message (&tmpctx, cur, of);
  cur->read = o_read; cur->old = o_old;

  if (msg == NULL)
  {
    mutt_error (_("Can't append to folder: %s"), strerror (errno));
    mx_close_mailbox (&tmpctx, NULL);
    goto bail;
  }

  if ((rc = mutt_copy_hdr (fp, msg->fp, 0, sb.st_size, CH_NOLEN | cf, NULL)) == 0)
  {
    fputc ('\n', msg->fp);
    rc = mutt_copy_stream (fp, msg->fp);
  }

  rc = mx_commit_message (msg, &tmpctx);
  mx_close_message (&tmpctx, &msg);
  
  mx_close_mailbox (&tmpctx, NULL);
  
  bail:
  if (fp) safe_fclose (&fp);

  if (rc >= 0)
    unlink (tmp);

  if (rc == 0)
  {
    mutt_set_flag (Context, cur, MUTT_DELETE, 1);
    mutt_set_flag (Context, cur, MUTT_PURGE, 1);
    mutt_set_flag (Context, cur, MUTT_READ, 1);

    if (option (OPTDELETEUNTAG))
      mutt_set_flag (Context, cur, MUTT_TAG, 0);
  }
  else if (rc == -1)
    mutt_message (_("Error. Preserving temporary file: %s"), tmp);

    
  return rc;
}
Пример #24
0
int imap_fetch_message (CONTEXT *ctx, MESSAGE *msg, int msgno)
{
  IMAP_DATA* idata;
  HEADER* h;
  ENVELOPE* newenv;
  char buf[LONG_STRING];
  char path[_POSIX_PATH_MAX];
  char *pc;
  long bytes;
  progress_t progressbar;
  int uid;
  int cacheno;
  IMAP_CACHE *cache;
  int read;
  int rc;
  /* Sam's weird courier server returns an OK response even when FETCH
   * fails. Thanks Sam. */
  short fetched = 0;

  idata = (IMAP_DATA*) ctx->data;
  h = ctx->hdrs[msgno];

  if ((msg->fp = msg_cache_get (idata, h)))
  {
    if (HEADER_DATA(h)->parsed)
      return 0;
    else
      goto parsemsg;
  }

  /* we still do some caching even if imap_cachedir is unset */
  /* see if we already have the message in our cache */
  cacheno = HEADER_DATA(h)->uid % IMAP_CACHE_LEN;
  cache = &idata->cache[cacheno];

  if (cache->path)
  {
    /* don't treat cache errors as fatal, just fall back. */
    if (cache->uid == HEADER_DATA(h)->uid &&
        (msg->fp = fopen (cache->path, "r")))
      return 0;
    else
    {
      unlink (cache->path);
      FREE (&cache->path);
    }
  }

  if (!isendwin())
    mutt_message _("Fetching message...");

  if (!(msg->fp = msg_cache_put (idata, h)))
  {
    cache->uid = HEADER_DATA(h)->uid;
    mutt_mktemp (path, sizeof (path));
    cache->path = safe_strdup (path);
    if (!(msg->fp = safe_fopen (path, "w+")))
    {
      FREE (&cache->path);
      return -1;
    }
  }

  /* mark this header as currently inactive so the command handler won't
   * also try to update it. HACK until all this code can be moved into the
   * command handler */
  h->active = 0;

  snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA(h)->uid,
	    (mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
	     (option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") :
	     "RFC822"));

  imap_cmd_start (idata, buf);
  do
  {
    if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
      break;

    pc = idata->buf;
    pc = imap_next_word (pc);
    pc = imap_next_word (pc);

    if (!ascii_strncasecmp ("FETCH", pc, 5))
    {
      while (*pc)
      {
	pc = imap_next_word (pc);
	if (pc[0] == '(')
	  pc++;
	if (ascii_strncasecmp ("UID", pc, 3) == 0)
	{
	  pc = imap_next_word (pc);
	  uid = atoi (pc);
	  if (uid != HEADER_DATA(h)->uid)
	    mutt_error (_("The message index is incorrect. Try reopening the mailbox."));
	}
	else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
		 (ascii_strncasecmp ("BODY[]", pc, 6) == 0))
	{
	  pc = imap_next_word (pc);
	  if (imap_get_literal_count(pc, &bytes) < 0)
	  {
	    imap_error ("imap_fetch_message()", buf);
	    goto bail;
	  }
	  mutt_progress_init (&progressbar, _("Fetching message..."),
			      MUTT_PROGRESS_SIZE, NetInc, bytes);
	  if (imap_read_literal (msg->fp, idata, bytes, &progressbar) < 0)
	    goto bail;
	  /* pick up trailing line */
	  if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
	    goto bail;
	  pc = idata->buf;

	  fetched = 1;
	}
	/* UW-IMAP will provide a FLAGS update here if the FETCH causes a
	 * change (eg from \Unseen to \Seen).
	 * Uncommitted changes in mutt take precedence. If we decide to
	 * incrementally update flags later, this won't stop us syncing */
	else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed)
	{
	  if ((pc = imap_set_flags (idata, h, pc)) == NULL)
	    goto bail;
	}
      }
    }
  }
  while (rc == IMAP_CMD_CONTINUE);

  /* see comment before command start. */
  h->active = 1;

  fflush (msg->fp);
  if (ferror (msg->fp))
  {
    mutt_perror (cache->path);
    goto bail;
  }

  if (rc != IMAP_CMD_OK)
    goto bail;

  if (!fetched || !imap_code (idata->buf))
    goto bail;

  msg_cache_commit (idata, h);

  parsemsg:
  /* Update the header information.  Previously, we only downloaded a
   * portion of the headers, those required for the main display.
   */
  rewind (msg->fp);
  /* It may be that the Status header indicates a message is read, but the
   * IMAP server doesn't know the message has been \Seen. So we capture
   * the server's notion of 'read' and if it differs from the message info
   * picked up in mutt_read_rfc822_header, we mark the message (and context
   * changed). Another possibility: ignore Status on IMAP?*/
  read = h->read;
  newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
  mutt_merge_envelopes(h->env, &newenv);

  /* see above. We want the new status in h->read, so we unset it manually
   * and let mutt_set_flag set it correctly, updating context. */
  if (read != h->read)
  {
    h->read = read;
    mutt_set_flag (ctx, h, MUTT_NEW, read);
  }

  h->lines = 0;
  fgets (buf, sizeof (buf), msg->fp);
  while (!feof (msg->fp))
  {
    h->lines++;
    fgets (buf, sizeof (buf), msg->fp);
  }

  h->content->length = ftell (msg->fp) - h->content->offset;

  /* This needs to be done in case this is a multipart message */
#if defined(HAVE_PGP) || defined(HAVE_SMIME)
  h->security = crypt_query (h->content);
#endif

  mutt_clear_error();
  rewind (msg->fp);
  HEADER_DATA(h)->parsed = 1;

  return 0;

bail:
  safe_fclose (&msg->fp);
  imap_cache_del (idata, h);
  if (cache->path)
  {
    unlink (cache->path);
    FREE (&cache->path);
  }

  return -1;
}
Пример #25
0
int
ci_send_message (int flags,		/* send mode */
		 HEADER *msg,		/* template to use for new message */
		 char *tempfile,	/* file specified by -i or -H */
		 CONTEXT *ctx,		/* current mailbox */
		 HEADER *cur)		/* current message */
{
  char buffer[LONG_STRING];
  char fcc[_POSIX_PATH_MAX] = ""; /* where to copy this message */
  FILE *tempfp = NULL;
  BODY *pbody;
  int i, killfrom = 0;
  int fcc_error = 0;
  int free_clear_content = 0;

  BODY *save_content = NULL;
  BODY *clear_content = NULL;
  char *pgpkeylist = NULL;
  /* save current value of "pgp_sign_as" */
  char *signas = NULL;
  char *tag = NULL, *err = NULL;
  char *ctype;

  int rv = -1;
  
  if (!flags && !msg && quadoption (OPT_RECALL) != M_NO &&
      mutt_num_postponed (1))
  {
    /* If the user is composing a new message, check to see if there
     * are any postponed messages first.
     */
    if ((i = query_quadoption (OPT_RECALL, _("Recall postponed message?"))) == -1)
      return rv;

    if(i == M_YES)
      flags |= SENDPOSTPONED;
  }
  
  
  if ((WithCrypto & APPLICATION_PGP) && (flags & SENDPOSTPONED))
    signas = safe_strdup(PgpSignAs);

  /* Delay expansion of aliases until absolutely necessary--shouldn't
   * be necessary unless we are prompting the user or about to execute a
   * send-hook.
   */

  if (!msg)
  {
    msg = mutt_new_header ();

    if (flags == SENDPOSTPONED)
    {
      if ((flags = mutt_get_postponed (ctx, msg, &cur, fcc, sizeof (fcc))) < 0)
	goto cleanup;
    }

    if (flags & (SENDPOSTPONED|SENDRESEND))
    {
      if ((tempfp = safe_fopen (msg->content->filename, "a+")) == NULL)
      {
	mutt_perror (msg->content->filename);
	goto cleanup;
      }
    }

    if (!msg->env)
      msg->env = mutt_new_envelope ();
  }

  /* Parse and use an eventual list-post header */
  if ((flags & SENDLISTREPLY) 
      && cur && cur->env && cur->env->list_post) 
  {
    /* Use any list-post header as a template */
    url_parse_mailto (msg->env, NULL, cur->env->list_post);
    /* We don't let them set the sender's address. */
    rfc822_free_address (&msg->env->from);
  }
  
  if (! (flags & (SENDKEY | SENDPOSTPONED | SENDRESEND)))
  {
    pbody = mutt_new_body ();
    pbody->next = msg->content; /* don't kill command-line attachments */
    msg->content = pbody;

    if (!(ctype = safe_strdup (ContentType)))
      ctype = safe_strdup ("text/plain");
    mutt_parse_content_type (ctype, msg->content);
    FREE (&ctype);
    msg->content->unlink = 1;
    msg->content->use_disp = 0;
    msg->content->disposition = DISPINLINE;
    
    if (!tempfile)
    {
      mutt_mktemp (buffer, sizeof (buffer));
      tempfp = safe_fopen (buffer, "w+");
      msg->content->filename = safe_strdup (buffer);
    }
    else
    {
      tempfp = safe_fopen (tempfile, "a+");
      msg->content->filename = safe_strdup (tempfile);
    }

    if (!tempfp)
    {
      dprint(1,(debugfile, "newsend_message: can't create tempfile %s (errno=%d)\n", msg->content->filename, errno));
      mutt_perror (msg->content->filename);
      goto cleanup;
    }
  }

  /* this is handled here so that the user can match ~f in send-hook */
  if (cur && option (OPTREVNAME) && !(flags & (SENDPOSTPONED|SENDRESEND)))
  {
    /* we shouldn't have to worry about freeing `msg->env->from' before
     * setting it here since this code will only execute when doing some
     * sort of reply.  the pointer will only be set when using the -H command
     * line option.
     *
     * We shouldn't have to worry about alias expansion here since we are
     * either replying to a real or postponed message, therefore no aliases
     * should exist since the user has not had the opportunity to add
     * addresses to the list.  We just have to ensure the postponed messages
     * have their aliases expanded.
     */

    msg->env->from = set_reverse_name (cur->env);
  }

  if (! (flags & (SENDPOSTPONED|SENDRESEND)))
  {
    if ((flags & (SENDREPLY | SENDFORWARD)) && ctx &&
	envelope_defaults (msg->env, ctx, cur, flags) == -1)
      goto cleanup;

    if (option (OPTHDRS))
      process_user_recips (msg->env);

    /* Expand aliases and remove duplicates/crossrefs */
    mutt_expand_aliases_env (msg->env);
    
    if (flags & SENDREPLY)
      mutt_fix_reply_recipients (msg->env);

    if (! (flags & (SENDMAILX|SENDBATCH)) &&
	! (option (OPTAUTOEDIT) && option (OPTEDITHDRS)) &&
	! ((flags & SENDREPLY) && option (OPTFASTREPLY)))
    {
      if (edit_envelope (msg->env) == -1)
	goto cleanup;
    }

    /* the from address must be set here regardless of whether or not
     * $use_from is set so that the `~P' (from you) operator in send-hook
     * patterns will work.  if $use_from is unset, the from address is killed
     * after send-hooks are evaulated */

    if (!msg->env->from)
    {
      msg->env->from = mutt_default_from ();
      killfrom = 1;
    }

    if ((flags & SENDREPLY) && cur)
    {
      /* change setting based upon message we are replying to */
      mutt_message_hook (ctx, cur, M_REPLYHOOK);

      /*
       * set the replied flag for the message we are generating so that the
       * user can use ~Q in a send-hook to know when reply-hook's are also
       * being used.
       */
      msg->replied = 1;
    }

    /* change settings based upon recipients */
    
    mutt_message_hook (NULL, msg, M_SENDHOOK);

    /*
     * Unset the replied flag from the message we are composing since it is
     * no longer required.  This is done here because the FCC'd copy of
     * this message was erroneously get the 'R'eplied flag when stored in
     * a maildir-style mailbox.
     */
    msg->replied = 0;

    if (! (flags & SENDKEY))
    {
      if (option (OPTTEXTFLOWED) && msg->content->type == TYPETEXT && !ascii_strcasecmp (msg->content->subtype, "plain"))
        mutt_set_parameter ("format", "flowed", &msg->content->parameter);
    }

    /* $use_from and/or $from might have changed in a send-hook */
    if (killfrom)
    {
      rfc822_free_address (&msg->env->from);
      if (option (OPTUSEFROM) && !(flags & (SENDPOSTPONED|SENDRESEND)))
	msg->env->from = mutt_default_from ();
      killfrom = 0;
    }

    if (option (OPTHDRS))
      process_user_header (msg->env);

    if (flags & SENDBATCH)
       mutt_copy_stream (stdin, tempfp);

    if (option (OPTSIGONTOP) && ! (flags & (SENDMAILX|SENDKEY|SENDBATCH))
	&& Editor && mutt_strcmp (Editor, "builtin") != 0)
      append_signature (tempfp);

    /* include replies/forwarded messages, unless we are given a template */
    if (!tempfile && (ctx || !(flags & (SENDREPLY|SENDFORWARD)))
	&& generate_body (tempfp, msg, flags, ctx, cur) == -1)
      goto cleanup;

    if (!option (OPTSIGONTOP) && ! (flags & (SENDMAILX|SENDKEY|SENDBATCH))
	&& Editor && mutt_strcmp (Editor, "builtin") != 0)
      append_signature (tempfp);
  }
  
  /* 
   * This hook is even called for postponed messages, and can, e.g., be
   * used for setting the editor, the sendmail path, or the
   * envelope sender.
   */
  mutt_message_hook (NULL, msg, M_SEND2HOOK);

  /* wait until now to set the real name portion of our return address so
     that $realname can be set in a send-hook */
  if (msg->env->from && !msg->env->from->personal
      && !(flags & (SENDRESEND|SENDPOSTPONED)))
    msg->env->from->personal = safe_strdup (Realname);

  if (!((WithCrypto & APPLICATION_PGP) && (flags & SENDKEY)))
    safe_fclose (&tempfp);

  if (flags & SENDMAILX)
  {
    if (mutt_builtin_editor (msg->content->filename, msg, cur) == -1)
      goto cleanup;
  }
  else if (! (flags & SENDBATCH))
  {
    struct stat st;
    time_t mtime = mutt_decrease_mtime (msg->content->filename, NULL);

    mutt_update_encoding (msg->content);

    /*
     * Select whether or not the user's editor should be called now.  We
     * don't want to do this when:
     * 1) we are sending a key/cert
     * 2) we are forwarding a message and the user doesn't want to edit it.
     *    This is controlled by the quadoption $forward_edit.  However, if
     *    both $edit_headers and $autoedit are set, we want to ignore the
     *    setting of $forward_edit because the user probably needs to add the
     *    recipients.
     */
    if (! (flags & SENDKEY) &&
	((flags & SENDFORWARD) == 0 ||
	 (option (OPTEDITHDRS) && option (OPTAUTOEDIT)) ||
	 query_quadoption (OPT_FORWEDIT, _("Edit forwarded message?")) == M_YES))
    {
      /* If the this isn't a text message, look for a mailcap edit command */
      if (mutt_needs_mailcap (msg->content))
      {
	if (!mutt_edit_attachment (msg->content))
          goto cleanup;
      }
      else if (!Editor || mutt_strcmp ("builtin", Editor) == 0)
	mutt_builtin_editor (msg->content->filename, msg, cur);
      else if (option (OPTEDITHDRS))
      {
	mutt_env_to_local (msg->env);
	mutt_edit_headers (Editor, msg->content->filename, msg, fcc, sizeof (fcc));
	mutt_env_to_idna (msg->env, NULL, NULL);
      }
      else
      {
	mutt_edit_file (Editor, msg->content->filename);
	if (stat (msg->content->filename, &st) == 0)
	{
	  if (mtime != st.st_mtime)
	    fix_end_of_file (msg->content->filename);
	}
	else
	  mutt_perror (msg->content->filename);
      }
      
      /* If using format=flowed, perform space stuffing.  Avoid stuffing when
       * recalling a postponed message where the stuffing was already
       * performed.  If it has already been performed, the format=flowed
       * parameter will be present.
       */
      if (option (OPTTEXTFLOWED) && msg->content->type == TYPETEXT && !ascii_strcasecmp("plain", msg->content->subtype))
      {
	char *p = mutt_get_parameter("format", msg->content->parameter);
	if (ascii_strcasecmp("flowed", NONULL(p)))
	  rfc3676_space_stuff (msg);
      }

      mutt_message_hook (NULL, msg, M_SEND2HOOK);
    }

    if (! (flags & (SENDPOSTPONED | SENDFORWARD | SENDKEY | SENDRESEND)))
    {
      if (stat (msg->content->filename, &st) == 0)
      {
	/* if the file was not modified, bail out now */
	if (mtime == st.st_mtime && !msg->content->next &&
	    query_quadoption (OPT_ABORT, _("Abort unmodified message?")) == M_YES)
	{
	  mutt_message _("Aborted unmodified message.");
	  goto cleanup;
	}
      }
      else
	mutt_perror (msg->content->filename);
    }
  }

  /* 
   * Set the message security unless:
   * 1) crypto support is not enabled (WithCrypto==0)
   * 2) pgp: header field was present during message editing with $edit_headers (msg->security != 0)
   * 3) we are resending a message
   * 4) we are recalling a postponed message (don't override the user's saved settings)
   * 5) we are in mailx mode
   * 6) we are in batch mode
   *
   * This is done after allowing the user to edit the message so that security
   * settings can be configured with send2-hook and $edit_headers.
   */
  if (WithCrypto && (msg->security == 0) && !(flags & (SENDBATCH | SENDMAILX | SENDPOSTPONED | SENDRESEND)))
  {
    if (option (OPTCRYPTAUTOSIGN))
      msg->security |= SIGN;
    if (option (OPTCRYPTAUTOENCRYPT))
      msg->security |= ENCRYPT;
    if (option (OPTCRYPTREPLYENCRYPT) && cur && (cur->security & ENCRYPT))
      msg->security |= ENCRYPT;
    if (option (OPTCRYPTREPLYSIGN) && cur && (cur->security & SIGN))
      msg->security |= SIGN;
    if (option (OPTCRYPTREPLYSIGNENCRYPTED) && cur && (cur->security & ENCRYPT))
      msg->security |= SIGN;
    if (WithCrypto & APPLICATION_PGP && (msg->security & (ENCRYPT | SIGN)))
    {
      if (option (OPTPGPAUTOINLINE))
	msg->security |= INLINE;
      if (option (OPTPGPREPLYINLINE) && cur && (cur->security & INLINE))
	msg->security |= INLINE;
    }

    if (msg->security)
    {
      /* 
       * When replying / forwarding, use the original message's
       * crypto system.  According to the documentation,
       * smime_is_default should be disregarded here.
       * 
       * Problem: At least with forwarding, this doesn't really
       * make much sense. Should we have an option to completely
       * disable individual mechanisms at run-time?
       */
      if (cur)
      {
	if ((WithCrypto & APPLICATION_PGP) && option (OPTCRYPTAUTOPGP) 
	    && (cur->security & APPLICATION_PGP))
	  msg->security |= APPLICATION_PGP;
	else if ((WithCrypto & APPLICATION_SMIME) && option (OPTCRYPTAUTOSMIME)
	    && (cur->security & APPLICATION_SMIME))
	  msg->security |= APPLICATION_SMIME;
      }

      /*
       * No crypto mechanism selected? Use availability + smime_is_default
       * for the decision. 
       */
      if (!(msg->security & (APPLICATION_SMIME | APPLICATION_PGP)))
      {
	if ((WithCrypto & APPLICATION_SMIME) && option (OPTCRYPTAUTOSMIME) 
	    && option (OPTSMIMEISDEFAULT))
	  msg->security |= APPLICATION_SMIME;
	else if ((WithCrypto & APPLICATION_PGP) && option (OPTCRYPTAUTOPGP))
	  msg->security |= APPLICATION_PGP;
	else if ((WithCrypto & APPLICATION_SMIME) && option (OPTCRYPTAUTOSMIME))
	  msg->security |= APPLICATION_SMIME;
      }
    }

    /* No permissible mechanisms found.  Don't sign or encrypt. */
    if (!(msg->security & (APPLICATION_SMIME|APPLICATION_PGP)))
      msg->security = 0;
  }

  /* specify a default fcc.  if we are in batchmode, only save a copy of
   * the message if the value of $copy is yes or ask-yes */

  if (!fcc[0] && !(flags & (SENDPOSTPONED)) && (!(flags & SENDBATCH) || (quadoption (OPT_COPY) & 0x1)))
  {
    /* set the default FCC */
    if (!msg->env->from)
    {
      msg->env->from = mutt_default_from ();
      killfrom = 1; /* no need to check $use_from because if the user specified
		       a from address it would have already been set by now */
    }
    mutt_select_fcc (fcc, sizeof (fcc), msg);
    if (killfrom)
    {
      rfc822_free_address (&msg->env->from);
      killfrom = 0;
    }
  }

  
  mutt_update_encoding (msg->content);

  if (! (flags & (SENDMAILX | SENDBATCH)))
  {
main_loop:

    fcc_error = 0; /* reset value since we may have failed before */
    mutt_pretty_mailbox (fcc, sizeof (fcc));
    i = mutt_compose_menu (msg, fcc, sizeof (fcc), cur);
    if (i == -1)
    {
      /* abort */
      mutt_message _("Mail not sent.");
      goto cleanup;
    }
    else if (i == 1)
    {
      /* postpone the message until later. */
      if (msg->content->next)
	msg->content = mutt_make_multipart (msg->content);

      /*
       * make sure the message is written to the right part of a maildir 
       * postponed folder.
       */
      msg->read = 0; msg->old = 0;

      encode_descriptions (msg->content, 1);
      mutt_prepare_envelope (msg->env, 0);
      mutt_env_to_idna (msg->env, NULL, NULL);	/* Handle bad IDNAs the next time. */

      if (!Postponed || mutt_write_fcc (NONULL (Postponed), msg, (cur && (flags & SENDREPLY)) ? cur->env->message_id : NULL, 1, fcc) < 0)
      {
	msg->content = mutt_remove_multipart (msg->content);
	decode_descriptions (msg->content);
	mutt_unprepare_envelope (msg->env);
	goto main_loop;
      }
      mutt_update_num_postponed ();
      mutt_message _("Message postponed.");
      goto cleanup;
    }
  }

  if (!has_recips (msg->env->to) && !has_recips (msg->env->cc) &&
      !has_recips (msg->env->bcc))
  {
    if (! (flags & SENDBATCH))
    {
      mutt_error _("No recipients are specified!");
      goto main_loop;
    }
    else
    {
      puts _("No recipients were specified.");
      goto cleanup;
    }
  }

  if (mutt_env_to_idna (msg->env, &tag, &err))
  {
    mutt_error (_("Bad IDN in \"%s\": '%s'"), tag, err);
    FREE (&err);
    if (!(flags & SENDBATCH))
      goto main_loop;
    else 
      goto cleanup;
  }
  
  if (!msg->env->subject && ! (flags & SENDBATCH) &&
      (i = query_quadoption (OPT_SUBJECT, _("No subject, abort sending?"))) != M_NO)
  {
    /* if the abort is automatic, print an error message */
    if (quadoption (OPT_SUBJECT) == M_YES)
      mutt_error _("No subject specified.");
    goto main_loop;
  }

  if (msg->content->next)
    msg->content = mutt_make_multipart (msg->content);

  /* 
   * Ok, we need to do it this way instead of handling all fcc stuff in
   * one place in order to avoid going to main_loop with encoded "env"
   * in case of error.  Ugh.
   */

  encode_descriptions (msg->content, 1);
  
  /*
   * Make sure that clear_content and free_clear_content are
   * properly initialized -- we may visit this particular place in
   * the code multiple times, including after a failed call to
   * mutt_protect().
   */
  
  clear_content = NULL;
  free_clear_content = 0;
  
  if (WithCrypto)
  {
    if (msg->security)  
    {
      /* save the decrypted attachments */
      clear_content = msg->content;
  
      if ((crypt_get_keys (msg, &pgpkeylist) == -1) ||
          mutt_protect (msg, pgpkeylist) == -1)
      {
        msg->content = mutt_remove_multipart (msg->content);
        
	FREE (&pgpkeylist);
        
        decode_descriptions (msg->content);
        goto main_loop;
      }
      encode_descriptions (msg->content, 0);
    }
  
    /* 
     * at this point, msg->content is one of the following three things:
     * - multipart/signed.  In this case, clear_content is a child.
     * - multipart/encrypted.  In this case, clear_content exists
     *   independently
     * - application/pgp.  In this case, clear_content exists independently.
     * - something else.  In this case, it's the same as clear_content.
     */
  
    /* This is ugly -- lack of "reporting back" from mutt_protect(). */
    
    if (clear_content && (msg->content != clear_content)
        && (msg->content->parts != clear_content))
      free_clear_content = 1;
  }

  if (!option (OPTNOCURSES) && !(flags & SENDMAILX))
    mutt_message _("Sending message...");

  mutt_prepare_envelope (msg->env, 1);

  /* save a copy of the message, if necessary. */

  mutt_expand_path (fcc, sizeof (fcc));

  
  /* Don't save a copy when we are in batch-mode, and the FCC
   * folder is on an IMAP server: This would involve possibly lots
   * of user interaction, which is not available in batch mode. 
   * 
   * Note: A patch to fix the problems with the use of IMAP servers
   * from non-curses mode is available from Brendan Cully.  However, 
   * I'd like to think a bit more about this before including it.
   */

#ifdef USE_IMAP
  if ((flags & SENDBATCH) && fcc[0] && mx_is_imap (fcc))
    fcc[0] = '\0';
#endif

  if (*fcc && mutt_strcmp ("/dev/null", fcc) != 0)
  {
    BODY *tmpbody = msg->content;
    BODY *save_sig = NULL;
    BODY *save_parts = NULL;

    if (WithCrypto && msg->security && option (OPTFCCCLEAR))
      msg->content = clear_content;

    /* check to see if the user wants copies of all attachments */
    if (query_quadoption (OPT_FCCATTACH, _("Save attachments in Fcc?")) != M_YES &&
	msg->content->type == TYPEMULTIPART)
    {
      if (WithCrypto
          && (mutt_strcmp (msg->content->subtype, "encrypted") == 0 ||
              mutt_strcmp (msg->content->subtype, "signed") == 0))
      {
	if (clear_content->type == TYPEMULTIPART)
	{
	  if(!(msg->security & ENCRYPT) && (msg->security & SIGN))
	  {
	    /* save initial signature and attachments */
	    save_sig = msg->content->parts->next;
	    save_parts = clear_content->parts->next;
	  }

	  /* this means writing only the main part */
	  msg->content = clear_content->parts;

	  if (mutt_protect (msg, pgpkeylist) == -1)
	  {
	    /* we can't do much about it at this point, so
	     * fallback to saving the whole thing to fcc
	     */
	    msg->content = tmpbody;
	    save_sig = NULL;
	    goto full_fcc;
	  }

	  save_content = msg->content;
	}
      }
      else
	msg->content = msg->content->parts;
    }

full_fcc:
    if (msg->content)
    {
      /* update received time so that when storing to a mbox-style folder
       * the From_ line contains the current time instead of when the
       * message was first postponed.
       */
      msg->received = time (NULL);
      if (mutt_write_fcc (fcc, msg, NULL, 0, NULL) == -1)
      {
	/*
	 * Error writing FCC, we should abort sending.
	 */
	fcc_error = 1;
      }
    }

    msg->content = tmpbody;

    if (WithCrypto && save_sig)
    {
      /* cleanup the second signature structures */
      if (save_content->parts)
      {
	mutt_free_body (&save_content->parts->next);
	save_content->parts = NULL;
      }
      mutt_free_body (&save_content);

      /* restore old signature and attachments */
      msg->content->parts->next = save_sig;
      msg->content->parts->parts->next = save_parts;
    }
    else if (WithCrypto && save_content)
    {
      /* destroy the new encrypted body. */
      mutt_free_body (&save_content);
    }

  }


  /*
   * Don't attempt to send the message if the FCC failed.  Just pretend
   * the send failed as well so we give the user a chance to fix the
   * error.
   */
  if (fcc_error || (i = send_message (msg)) < 0)
  {
    if (!(flags & SENDBATCH))
    {
      if (!WithCrypto)
        ;
      else if ((msg->security & ENCRYPT) || 
               ((msg->security & SIGN)
                && msg->content->type == TYPEAPPLICATION))
      {
	mutt_free_body (&msg->content); /* destroy PGP data */
	msg->content = clear_content;	/* restore clear text. */
      }
      else if ((msg->security & SIGN) && msg->content->type == TYPEMULTIPART)
      {
	mutt_free_body (&msg->content->parts->next);	     /* destroy sig */
	msg->content = mutt_remove_multipart (msg->content); 
      }

      msg->content = mutt_remove_multipart (msg->content);
      decode_descriptions (msg->content);
      mutt_unprepare_envelope (msg->env);
      goto main_loop;
    }
    else
    {
      puts _("Could not send the message.");
      goto cleanup;
    }
  }
  else if (!option (OPTNOCURSES) && ! (flags & SENDMAILX))
    mutt_message (i == 0 ? _("Mail sent.") : _("Sending in background."));

  if (WithCrypto && (msg->security & ENCRYPT))
    FREE (&pgpkeylist);
  
  if (WithCrypto && free_clear_content)
    mutt_free_body (&clear_content);

  /* set 'replied' flag only if the user didn't change/remove
     In-Reply-To: and References: headers during edit */
  if (flags & SENDREPLY)
  {
    if (cur && ctx)
      mutt_set_flag (ctx, cur, M_REPLIED, is_reply (cur, msg));
    else if (!(flags & SENDPOSTPONED) && ctx && ctx->tagged)
    {
      for (i = 0; i < ctx->vcount; i++)
	if (ctx->hdrs[ctx->v2r[i]]->tagged)
	  mutt_set_flag (ctx, ctx->hdrs[ctx->v2r[i]], M_REPLIED,
			 is_reply (ctx->hdrs[ctx->v2r[i]], msg));
    }
  }


  rv = 0;
  
cleanup:

  if ((WithCrypto & APPLICATION_PGP) && (flags & SENDPOSTPONED))
  {
    if(signas)
    {
      FREE (&PgpSignAs);
      PgpSignAs = signas;
    }
  }
   
  safe_fclose (&tempfp);
  mutt_free_header (&msg);
  
  return rv;
}
Пример #26
0
/* fetch message from POP server */
int pop_fetch_message(MESSAGE *msg, CONTEXT *ctx, int msgno)
{
    int ret;
    void *uidl;
    char buf[LONG_STRING];
    char path[_POSIX_PATH_MAX];
    progress_t progressbar;
    POP_DATA *pop_data = (POP_DATA *)ctx->data;
    POP_CACHE *cache;
    HEADER *h = ctx->hdrs[msgno];
    unsigned short bcache = 1;

    /* see if we already have the message in body cache */
    if ((msg->fp = mutt_bcache_get(pop_data->bcache, h->data)))
        return 0;

    /*
     * see if we already have the message in our cache in
     * case $message_cachedir is unset
     */
    cache = &pop_data->cache[h->index % POP_CACHE_LEN];

    if (cache->path) {
        if (cache->index == h->index) {
            /* yes, so just return a pointer to the message */
            msg->fp = fopen(cache->path, "r");

            if (msg->fp)
                return 0;

            mutt_perror(cache->path);
            mutt_sleep(2);
            return -1;
        } else {
            /* clear the previous entry */
            unlink(cache->path);
            safe_free(&cache->path);
        }
    }

    FOREVER
    {
        if (pop_reconnect(ctx) < 0)
            return -1;

        /* verify that massage index is correct */
        if (h->refno < 0) {
            mutt_error _(
                "The message index is incorrect. Try reopening the mailbox.");
            mutt_sleep(2);
            return -1;
        }

        mutt_progress_init(&progressbar, _(
                               "Fetching message..."),
                           M_PROGRESS_SIZE, NetInc,
                           h->content->length + h->content->offset - 1);

        /* see if we can put in body cache; use our cache as fallback */
        if (!(msg->fp = mutt_bcache_put(pop_data->bcache, h->data, 1))) {
            /* no */
            bcache = 0;
            mutt_mktemp(path, sizeof(path));

            if (!(msg->fp = safe_fopen(path, "w+"))) {
                mutt_perror(path);
                mutt_sleep(2);
                return -1;
            }
        }

        snprintf(buf, sizeof(buf), "RETR %d\r\n", h->refno);

        ret =
            pop_fetch_data(pop_data, buf, &progressbar, fetch_message, msg->fp);

        if (ret == 0)
            break;

        safe_fclose(&msg->fp);

        /* if RETR failed (e.g. connection closed), be sure to remove either
         * the file in bcache or from POP's own cache since the next iteration
         * of the loop will re-attempt to put() the message */
        if (!bcache)
            unlink(path);

        if (ret == -2) {
            mutt_error("%s", pop_data->err_msg);
            mutt_sleep(2);
            return -1;
        }

        if (ret == -3) {
            mutt_error _("Can't write message to temporary file!");
            mutt_sleep(2);
            return -1;
        }
    }

    /* Update the header information.  Previously, we only downloaded a
     * portion of the headers, those required for the main display.
     */
    if (bcache)
        mutt_bcache_commit(pop_data->bcache, h->data);
    else {
        cache->index = h->index;
        cache->path = safe_strdup(path);
    }
    rewind(msg->fp);
    uidl = h->data;

    /* we replace envelop, key in subj_hash has to be updated as well */
    if (ctx->subj_hash
        && h->env->real_subj)
        hash_delete(ctx->subj_hash, h->env->real_subj, h, NULL);
    mutt_free_envelope(&h->env);
    h->env = mutt_read_rfc822_header(msg->fp, h, 0, 0);

    if (ctx->subj_hash
        && h->env->real_subj)
        hash_insert(ctx->subj_hash, h->env->real_subj, h, 1);

    h->data = uidl;
    h->lines = 0;
    fgets(buf, sizeof(buf), msg->fp);

    while (!feof(msg->fp)) {
        ctx->hdrs[msgno]->lines++;
        fgets(buf, sizeof(buf), msg->fp);
    }

    h->content->length = ftello(msg->fp) - h->content->offset;

    /* This needs to be done in case this is a multipart message */
    if (!WithCrypto)
        h->security = crypt_query(h->content);

    mutt_clear_error();
    rewind(msg->fp);

    return 0;
}
Пример #27
0
static int send_message (HEADER *msg)
{  
  char tempfile[_POSIX_PATH_MAX];
  FILE *tempfp;
  int i;
#ifdef USE_SMTP
  short old_write_bcc;
#endif
  
  /* Write out the message in MIME form. */
  mutt_mktemp (tempfile, sizeof (tempfile));
  if ((tempfp = safe_fopen (tempfile, "w")) == NULL)
    return (-1);

#ifdef USE_SMTP
  old_write_bcc = option (OPTWRITEBCC);
  if (SmtpUrl)
    unset_option (OPTWRITEBCC);
#endif
#ifdef MIXMASTER
  mutt_write_rfc822_header (tempfp, msg->env, msg->content, 0, msg->chain ? 1 : 0);
#endif
#ifndef MIXMASTER
  mutt_write_rfc822_header (tempfp, msg->env, msg->content, 0, 0);
#endif
#ifdef USE_SMTP
  if (old_write_bcc)
    set_option (OPTWRITEBCC);
#endif
  
  fputc ('\n', tempfp); /* tie off the header. */

  if ((mutt_write_mime_body (msg->content, tempfp) == -1))
  {
    safe_fclose (&tempfp);
    unlink (tempfile);
    return (-1);
  }
  
  if (fclose (tempfp) != 0)
  {
    mutt_perror (tempfile);
    unlink (tempfile);
    return (-1);
  }

#ifdef MIXMASTER
  if (msg->chain)
    return mix_send_message (msg->chain, tempfile);
#endif

#if USE_SMTP
  if (SmtpUrl)
      return mutt_smtp_send (msg->env->from, msg->env->to, msg->env->cc,
                             msg->env->bcc, tempfile,
                             (msg->content->encoding == ENC8BIT));
#endif /* USE_SMTP */

  i = mutt_invoke_sendmail (msg->env->from, msg->env->to, msg->env->cc, 
			    msg->env->bcc, tempfile,
                            (msg->content->encoding == ENC8BIT));
  return (i);
}
Пример #28
0
BODY *pgp_make_key_attachment (char *tempf)
{
  BODY *att;
  char buff[LONG_STRING];
  char tempfb[_POSIX_PATH_MAX], tmp[STRING];
  FILE *tempfp;
  FILE *devnull;
  struct stat sb;
  pid_t thepid;
  pgp_key_t key;
  unset_option (OPTPGPCHECKTRUST);

  key = pgp_ask_for_key (_("Please enter the key ID: "), NULL, 0, PGP_PUBRING);

  if (!key)    return NULL;

  snprintf (tmp, sizeof (tmp), "0x%s", pgp_fpr_or_lkeyid (pgp_principal_key (key)));
  pgp_free_key (&key);

  if (!tempf)
  {
    mutt_mktemp (tempfb, sizeof (tempfb));
    tempf = tempfb;
  }

  if ((tempfp = safe_fopen (tempf, tempf == tempfb ? "w" : "a")) == NULL)
  {
    mutt_perror _("Can't create temporary file");
    return NULL;
  }

  if ((devnull = fopen ("/dev/null", "w")) == NULL)	/* __FOPEN_CHECKED__ */
  {
    mutt_perror _("Can't open /dev/null");
    safe_fclose (&tempfp);
    if (tempf == tempfb)
      unlink (tempf);
    return NULL;
  }

  mutt_message _("Invoking PGP...");


  if ((thepid = 
       pgp_invoke_export (NULL, NULL, NULL, -1,
			   fileno (tempfp), fileno (devnull), tmp)) == -1)
  {
    mutt_perror _("Can't create filter");
    unlink (tempf);
    safe_fclose (&tempfp);
    safe_fclose (&devnull);
    return NULL;
  }

  mutt_wait_filter (thepid);

  safe_fclose (&tempfp);
  safe_fclose (&devnull);

  att = mutt_new_body ();
  att->filename = safe_strdup (tempf);
  att->unlink = 1;
  att->use_disp = 0;
  att->type = TYPEAPPLICATION;
  att->subtype = safe_strdup ("pgp-keys");
  snprintf (buff, sizeof (buff), _("PGP Key %s."), tmp);
  att->description = safe_strdup (buff);
  mutt_update_encoding (att);

  stat (tempf, &sb);
  att->length = sb.st_size;

  return att;
}
Пример #29
0
static void attach_forward_bodies (FILE * fp, struct header * hdr,
				   ATTACHPTR ** idx, short idxlen,
				   struct body * cur,
				   short nattach)
{
	short i;
	short mime_fwd_all = 0;
	short mime_fwd_any = 1;
	struct header *parent = NULL;
	struct header *tmphdr = NULL;
	struct body **last;
	char tmpbody[_POSIX_PATH_MAX];
	FILE *tmpfp = NULL;

	char prefix[STRING];

	int rc = 0;

	STATE st;

	/*
	 * First, find the parent message.
	 * Note: This could be made an option by just
	 * putting the following lines into an if block.
	 */


	parent = find_parent (idx, idxlen, cur, nattach);

	if (parent == NULL)
		parent = hdr;


	tmphdr = mutt_new_header ();
	tmphdr->env = mutt_new_envelope ();
	mutt_make_forward_subject (tmphdr->env, Context, parent);

	mutt_mktemp (tmpbody, sizeof (tmpbody));
	if ((tmpfp = safe_fopen (tmpbody, "w")) == NULL)
	{
		mutt_error (("Can't open temporary file %s."), tmpbody);
		return;
	}

	mutt_forward_intro (tmpfp, parent);

	/* prepare the prefix here since we'll need it later. */

	if (bit_val(options, OPTFORWQUOTE))
	{
		if (!bit_val(options, OPTTEXTFLOWED))
			_mutt_make_string (prefix, sizeof (prefix), NONULL (Prefix), Context,
					   parent, 0);
		else
			strfcpy (prefix, ">", sizeof (prefix));
	}

	include_header (bit_val(options, OPTFORWQUOTE), fp, parent,
			tmpfp, prefix);


	/*
	 * Now, we have prepared the first part of the message body: The
	 * original message's header.
	 *
	 * The next part is more interesting: either include the message bodies,
	 * or attach them.
	 */

	if ((!cur || mutt_can_decode (cur)) &&
	    (rc = query_quadoption (OPT_MIMEFWD,
				    ("Forward as attachments?"))) == M_YES)
		mime_fwd_all = 1;
	else if (rc == -1)
		goto bail;

	/*
	 * shortcut MIMEFWDREST when there is only one attachment.  Is
	 * this intuitive?
	 */

	if (!mime_fwd_all && !cur && (nattach > 1)
	    && !check_can_decode (idx, idxlen, cur))
	{
		if ((rc = query_quadoption (OPT_MIMEFWDREST,
					    ("Can't decode all tagged attachments.  MIME-forward the others?"))) == -1)
			goto bail;
		else if (rc == M_NO)
			mime_fwd_any = 0;
	}

	/* initialize a state structure */

	memset (&st, 0, sizeof (st));

	if (bit_val(options, OPTFORWQUOTE))
		st.prefix = prefix;
	st.flags = M_CHARCONV;
	if (bit_val(options, OPTWEED))
		st.flags |= M_WEED;
	st.fpin = fp;
	st.fpout = tmpfp;

	/* where do we append new MIME parts? */
	last = &tmphdr->content;

	if (cur)
	{
		/* single body case */

		if (!mime_fwd_all && mutt_can_decode (cur))
		{
			mutt_body_handler (cur, &st);
			state_putc ('\n', &st);
		}
		else
		{
			if (mutt_copy_body (fp, last, cur) == -1)
				goto bail;
			last = &((*last)->next);
		}
	}
	else
	{
		/* multiple body case */

		if (!mime_fwd_all)
		{
			for (i = 0; i < idxlen; i++)
			{
				if (idx[i]->content->tagged && mutt_can_decode (idx[i]->content))
				{
					mutt_body_handler (idx[i]->content, &st);
					state_putc ('\n', &st);
				}
			}
		}

		if (mime_fwd_any &&
		    copy_problematic_attachments (fp, last, idx, idxlen, mime_fwd_all) == NULL)
			goto bail;
	}

	mutt_forward_trailer (tmpfp);

	safe_fclose (&tmpfp);
	tmpfp = NULL;

	/* now that we have the template, send it. */
	ci_send_message (0, tmphdr, tmpbody, NULL, parent);
	return;

bail:

	if (tmpfp)
	{
		safe_fclose (&tmpfp);
		mutt_unlink (tmpbody);
	}

	mutt_free_header (&tmphdr);
}