init.c

mutt-1.5.12 源代码。linux 下邮件接受的工具。

  LIST *p, *last = NULL;

  if (mutt_strcmp ("*", str) == 0)
    mutt_free_list (l);    /* ``unCMD *'' means delete all current entries */
  else
  {
    p = *l;
    last = NULL;
    while (p)
    {
      if (ascii_strcasecmp (str, p->data) == 0)
      {
	FREE (&p->data);
	if (last)
	  last->next = p->next;
	else
	  (*l) = p->next;
	FREE (&p);
      }
      else
      {
	last = p;
	p = p->next;
      }
    }
  }
}

static int remove_from_rx_list (RX_LIST **l, const char *str)
{
  RX_LIST *p, *last = NULL;
  int rv = -1;

  if (mutt_strcmp ("*", str) == 0)
  {
    mutt_free_rx_list (l);    /* ``unCMD *'' means delete all current entries */
    rv = 0;
  }
  else
  {
    p = *l;
    last = NULL;
    while (p)
    {
      if (ascii_strcasecmp (str, p->rx->pattern) == 0)
      {
	mutt_free_regexp (&p->rx);
	if (last)
	  last->next = p->next;
	else
	  (*l) = p->next;
	FREE (&p);
	rv = 0;
      }
      else
      {
	last = p;
	p = p->next;
      }
    }
  }
  return (rv);
}

static int parse_unignore (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  do
  {
    mutt_extract_token (buf, s, 0);

    /* don't add "*" to the unignore list */
    if (strcmp (buf->data, "*")) 
      add_to_list (&UnIgnore, buf->data);

    remove_from_list (&Ignore, buf->data);
  }
  while (MoreArgs (s));

  return 0;
}

static int parse_ignore (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  do
  {
    mutt_extract_token (buf, s, 0);
    remove_from_list (&UnIgnore, buf->data);
    add_to_list (&Ignore, buf->data);
  }
  while (MoreArgs (s));

  return 0;
}

static int parse_list (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  do
  {
    mutt_extract_token (buf, s, 0);
    add_to_list ((LIST **) data, buf->data);
  }
  while (MoreArgs (s));

  return 0;
}

static void _alternates_clean (void)
{
  int i;
  if (Context && Context->msgcount) 
  {
    for (i = 0; i < Context->msgcount; i++)
      Context->hdrs[i]->recip_valid = 0;
  }
}

static int parse_alternates (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  group_context_t *gc = NULL;
  
  _alternates_clean();

  do
  {
    mutt_extract_token (buf, s, 0);

    if (parse_group_context (&gc, buf, s, data, err) == -1)
      goto bail;

    remove_from_rx_list (&UnAlternates, buf->data);

    if (mutt_add_to_rx_list (&Alternates, buf->data, REG_ICASE, err) != 0)
      goto bail;

    if (mutt_group_context_add_rx (gc, buf->data, REG_ICASE, err) != 0)
      goto bail;
  }
  while (MoreArgs (s));
  
  mutt_group_context_destroy (&gc);
  return 0;
  
 bail:
  mutt_group_context_destroy (&gc);
  return -1;
}

static int parse_unalternates (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  _alternates_clean();
  do
  {
    mutt_extract_token (buf, s, 0);
    remove_from_rx_list (&Alternates, buf->data);

    if (mutt_strcmp (buf->data, "*") &&
	mutt_add_to_rx_list (&UnAlternates, buf->data, REG_ICASE, err) != 0)
      return -1;

  }
  while (MoreArgs (s));

  return 0;
}

static int parse_spam_list (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  BUFFER templ;

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

  /* Insist on at least one parameter */
  if (!MoreArgs(s))
  {
    if (data == M_SPAM)
      strfcpy(err->data, _("spam: no matching pattern"), err->dsize);
    else
      strfcpy(err->data, _("nospam: no matching pattern"), err->dsize);
    return -1;
  }

  /* Extract the first token, a regexp */
  mutt_extract_token (buf, s, 0);

  /* data should be either M_SPAM or M_NOSPAM. M_SPAM is for spam commands. */
  if (data == M_SPAM)
  {
    /* If there's a second parameter, it's a template for the spam tag. */
    if (MoreArgs(s))
    {
      mutt_extract_token (&templ, s, 0);

      /* Add to the spam list. */
      if (add_to_spam_list (&SpamList, buf->data, templ.data, err) != 0) {
	  FREE(&templ.data);
          return -1;
      }
      FREE(&templ.data);
    }

    /* If not, try to remove from the nospam list. */
    else
    {
      remove_from_rx_list(&NoSpamList, buf->data);
    }

    return 0;
  }

  /* M_NOSPAM is for nospam commands. */
  else if (data == M_NOSPAM)
  {
    /* nospam only ever has one parameter. */

    /* "*" is a special case. */
    if (!mutt_strcmp(buf->data, "*"))
    {
      mutt_free_spam_list (&SpamList);
      mutt_free_rx_list (&NoSpamList);
      return 0;
    }

    /* If it's on the spam list, just remove it. */
    if (remove_from_spam_list(&SpamList, buf->data) != 0)
      return 0;

    /* Otherwise, add it to the nospam list. */
    if (mutt_add_to_rx_list (&NoSpamList, buf->data, REG_ICASE, err) != 0)
      return -1;

    return 0;
  }

  /* This should not happen. */
  strfcpy(err->data, "This is no good at all.", err->dsize);
  return -1;
}


static int parse_unlist (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  do
  {
    mutt_extract_token (buf, s, 0);
    /*
     * Check for deletion of entire list
     */
    if (mutt_strcmp (buf->data, "*") == 0)
    {
      mutt_free_list ((LIST **) data);
      break;
    }
    remove_from_list ((LIST **) data, buf->data);
  }
  while (MoreArgs (s));

  return 0;
}

static int parse_lists (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  group_context_t *gc = NULL;

  do
  {
    mutt_extract_token (buf, s, 0);
    
    if (parse_group_context (&gc, buf, s, data, err) == -1)
      goto bail;
    
    remove_from_rx_list (&UnMailLists, buf->data);
    
    if (mutt_add_to_rx_list (&MailLists, buf->data, REG_ICASE, err) != 0)
      goto bail;
    
    if (mutt_group_context_add_rx (gc, buf->data, REG_ICASE, err) != 0)
      goto bail;
  }
  while (MoreArgs (s));

  mutt_group_context_destroy (&gc);
  return 0;
  
 bail:
  mutt_group_context_destroy (&gc);
  return -1;
}

typedef enum group_state_t {
  NONE, RX, ADDR
} group_state_t;

static int parse_group (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  group_context_t *gc = NULL;
  group_state_t state = NONE;
  ADDRESS *addr = NULL;
  char *estr = NULL;
  
  do 
  {
    mutt_extract_token (buf, s, 0);
    if (parse_group_context (&gc, buf, s, data, err) == -1)
      goto bail;
    
    if (!mutt_strcasecmp (buf->data, "-rx"))
      state = RX;
    else if (!mutt_strcasecmp (buf->data, "-addr"))
      state = ADDR;
    else 
    {
      switch (state) 
      {
	case NONE:
	  strfcpy (err->data, _("Missing -rx or -addr."), err->dsize);
	  goto bail;
	
	case RX:
	  if (mutt_group_context_add_rx (gc, buf->data, REG_ICASE, err) != 0)
	    goto bail;
	  break;
	
	case ADDR:
	  if ((addr = mutt_parse_adrlist (NULL, buf->data)) == NULL)
	    goto bail;
	  if (mutt_addrlist_to_idna (addr, &estr)) 
	  {
	    snprintf (err->data, err->dsize, _("Warning: Bad IDN '%s'.\n"),
		      estr);
	    goto bail;
	  }
	  mutt_group_context_add_adrlist (gc, addr);
	  rfc822_free_address (&addr);
	  break;
      }
    }
  } while (MoreArgs (s));

  mutt_group_context_destroy (&gc);
  return 0;

  bail:
  mutt_group_context_destroy (&gc);
  return -1;
}

static int parse_ungroup (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  strfcpy (err->data, "not implemented", err->dsize);
  return -1;
}

/* always wise to do what someone else did before */
static void _attachments_clean (void)
{
  int i;
  if (Context && Context->msgcount) 
  {
    for (i = 0; i < Context->msgcount; i++)
      Context->hdrs[i]->attach_valid = 0;
  }
}

static int parse_attach_list (BUFFER *buf, BUFFER *s, LIST **ldata, BUFFER *err)
{
  ATTACH_MATCH *a;
  LIST *listp, *lastp;
  char *p;
  char *tmpminor;
  int len;

  /* Find the last item in the list that data points to. */
  lastp = NULL;
  dprint(5, (debugfile, "parse_attach_list: ldata = %08x, *ldata = %08x\n",
	      (unsigned int)ldata, (unsigned int)*ldata));
  for (listp = *ldata; listp; listp = listp->next)
  {
    a = (ATTACH_MATCH *)listp->data;
    dprint(5, (debugfile, "parse_attach_list: skipping %s/%s\n",
		a->major, a->minor));
    lastp = listp;
  }

  do
  {
    mutt_extract_token (buf, s, 0);

    if (!buf->data || *buf->data == '\0')
      continue;
   
    a = safe_malloc(sizeof(ATTACH_MATCH));

    /* some cheap hacks that I expect to remove */
    if (!ascii_strcasecmp(buf->data, "any"))
      a->major = safe_strdup("*/.*");
    else if (!ascii_strcasecmp(buf->data, "none"))
      a->major = safe_strdup("cheap_hack/this_should_never_match");
    else
      a->major = safe_strdup(buf->data);

    if ((p = strchr(a->major, '/')))
    {
      *p = '\0';
      ++p;
      a->minor = p;
    }
    else
    {
      a->minor = "unknown";
    }

    len = strlen(a->minor);
    tmpminor = safe_malloc(len+3);
    strcpy(&tmpminor[1], a->minor); /* __STRCPY_CHECKED__ */
    tmpminor[0] = '^';
    tmpminor[len+1] = '$';
    tmpminor[len+2] = '\0';

    a->major_int = mutt_check_mime_type(a->major);
    regcomp(&a->minor_rx, tmpminor, REG_ICASE|REG_EXTENDED);

    FREE(&tmpminor);

    dprint(5, (debugfile, "parse_attach_list: added %s/%s [%d]\n",
		a->major, a->minor, a->major_int));

    listp = safe_malloc(sizeof(LIST));
    listp->data = (char *)a;
    listp->next = NULL;
    if (lastp)
    {
      lastp->next = listp;
    }
    else
    {
      *ldata = listp;
    }
    lastp = listp;
  }
  while (MoreArgs (s));
   
  _attachments_clean();
  return 0;
}

static int parse_unattach_list (BUFFER *buf, BUFFER *s, LIST **ldata, BUFFER *err)
{
  ATTACH_MATCH *a;
  LIST *lp, *lastp, *newlp;
  char *tmp;
  int major;
  char *minor;

  do
  {
    mutt_extract_token (buf, s, 0);

    if (!ascii_strcasecmp(buf->data, "any"))
      tmp = safe_strdup("*/.*");
    else if (!ascii_strcasecmp(buf->data, "none"))
      tmp = safe_strdup("cheap_hack/this_should_never_match");
    else
      tmp = safe_strdup(buf->data);

    if ((minor = strchr(tmp, '/')))
    {
      *minor = '\0';
      ++minor;
    }
    else
    {
      minor = "unknown";
    }
    major = mutt_check_mime_type(tmp);

    /* We must do our own walk here because remove_from_list() will only
     * remove the LIST->data, not anything pointed to by the LIST->data. */
    lastp = NULL;
    for(lp = *ldata; lp; )
    {
      a = (ATTACH_MATCH *)lp->data;
      dprint(5, (debugfile, "parse_unattach_list: check %s/%s [%d] : %s/%s [%d]\n",
		  a->major, a->minor, a->major_int, tmp, minor, major));
      if (a->major_int == major && !mutt_strcasecmp(minor, a->minor))
      {
	dprint(5, (debugfile, "parse_unattach_list: removed %s/%s [%d]\n",
		    a->major, a->minor, a->major_int));
	regfree(&a->minor_rx);
	FREE(&a->major);

	/* Relink backward */
	if (lastp)
	  lastp->next = lp->next;
	else
	  *ldata = lp->next;

        newlp = lp->next;
        FREE(&lp->data);	/* same as a */
        FREE(&lp);
        lp = newlp;
        continue;
      }

      lastp = lp;
      lp = lp->next;
    }

  }
  while (MoreArgs (s));
   
  FREE(&tmp);
  _attachments_clean();
  return 0;
}

static int print_attach_list (LIST *lp, char op, char *name)
{
  while (lp) {
    printf("attachments %c%s %s/%s\n", op, name,
           ((ATTACH_MATCH *)lp->data)->major,
           ((ATTACH_MATCH *)lp->data)->minor);
    lp = lp->next;
  }

  return 0;
}


static int parse_attachments (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  char op, *category;
  LIST **listp;

  mutt_extract_token(buf, s, 0);
  if (!buf->data || *buf->data == '\0') {
    strfcpy(err->data, _("attachments: no disposition"), err->dsize);
    return -1;
  }

  category = buf->data;
  op = *category++;

  if (op == '?') {
    mutt_endwin (NULL);
    fflush (stdout);
    printf("\nCurrent attachments settings:\n\n");
    print_attach_list(AttachAllow,   '+', "A");
    print_attach_list(AttachExclude, '-', "A");
    print_attach_list(InlineAllow,   '+', "I");
    print_attach_list(InlineExclude, '-', "I");
    set_option (OPTFORCEREDRAWINDEX);
    set_option (OPTFORCEREDRAWPAGER);
    mutt_any_key_to_continue (NULL);
    return 0;
  }

  if (op != '+' && op != '-') {
    op = '+';
    category--;
  }
  if (!ascii_strncasecmp(category, "attachment", strlen(category))) {
    if (op == '+')