static short check_msg (struct body * b, short err)
{
if (!mutt_is_message_type (b->type, b->subtype))
{
if (err)
mutt_error("You may only bounce message/rfc822 parts.");
return -1;
}
return 0;
}
static struct header *find_parent (ATTACHPTR **idx, short idxlen, struct body *cur, short nattach)
{
short i;
struct header *parent = NULL;
if (cur)
{
for (i = 0; i < idxlen; i++)
{
if (mutt_is_message_type (idx[i]->content->type, idx[i]->content->subtype)
&& is_parent (i, idx, idxlen, cur))
parent = idx[i]->content->hdr;
if (idx[i]->content == cur)
break;
}
}
else if (nattach)
parent = find_common_parent (idx, idxlen, nattach);
return parent;
}
static HEADER *find_common_parent (ATTACHPTR ** idx, short idxlen,
short nattach)
{
short i;
short nchildren;
for (i = 0; i < idxlen; i++)
if (idx[i]->content->tagged)
break;
while (--i >= 0) {
if (mutt_is_message_type
(idx[i]->content->type, idx[i]->content->subtype)) {
nchildren = count_tagged_children (idx, idxlen, i);
if (nchildren == nattach)
return idx[i]->content->hdr;
}
}
return NULL;
}
/* returns 0 on success, -1 on error */
int mutt_save_attachment (FILE *fp, BODY *m, char *path, int flags, HEADER *hdr)
{
if (fp)
{
/* recv mode */
if(hdr &&
m->hdr &&
m->encoding != ENCBASE64 &&
m->encoding != ENCQUOTEDPRINTABLE &&
mutt_is_message_type(m->type, m->subtype))
{
/* message type attachments are written to mail folders. */
char buf[HUGE_STRING];
HEADER *hn;
CONTEXT ctx;
MESSAGE *msg;
int chflags = 0;
int r = -1;
hn = m->hdr;
hn->msgno = hdr->msgno; /* required for MH/maildir */
hn->read = 1;
fseeko (fp, m->offset, 0);
if (fgets (buf, sizeof (buf), fp) == NULL)
return -1;
if (mx_open_mailbox(path, M_APPEND | M_QUIET, &ctx) == NULL)
return -1;
if ((msg = mx_open_new_message (&ctx, hn, is_from (buf, NULL, 0, NULL) ? 0 : M_ADD_FROM)) == NULL)
{
mx_close_mailbox(&ctx, NULL);
return -1;
}
if (ctx.magic == M_MBOX || ctx.magic == M_MMDF)
chflags = CH_FROM | CH_UPDATE_LEN;
chflags |= (ctx.magic == M_MAILDIR ? CH_NOSTATUS : CH_UPDATE);
if (_mutt_copy_message (msg->fp, fp, hn, hn->content, 0, chflags) == 0
&& mx_commit_message (msg, &ctx) == 0)
r = 0;
else
r = -1;
mx_close_message (&msg);
mx_close_mailbox (&ctx, NULL);
return r;
}
else
{
/* In recv mode, extract from folder and decode */
STATE s;
memset (&s, 0, sizeof (s));
s.flags |= M_CHARCONV;
if ((s.fpout = mutt_save_attachment_open (path, flags)) == NULL)
{
mutt_perror ("fopen");
mutt_sleep (2);
return (-1);
}
fseeko ((s.fpin = fp), m->offset, 0);
mutt_decode_attachment (m, &s);
if (fclose (s.fpout) != 0)
{
mutt_perror ("fclose");
mutt_sleep (2);
return (-1);
}
}
}
else
{
/* In send mode, just copy file */
FILE *ofp, *nfp;
if ((ofp = fopen (m->filename, "r")) == NULL)
{
mutt_perror ("fopen");
return (-1);
}
if ((nfp = mutt_save_attachment_open (path, flags)) == NULL)
{
mutt_perror ("fopen");
safe_fclose (&ofp);
return (-1);
}
if (mutt_copy_stream (ofp, nfp) == -1)
{
mutt_error _("Write fault!");
safe_fclose (&ofp);
safe_fclose (&nfp);
return (-1);
}
safe_fclose (&ofp);
safe_fclose (&nfp);
}
return 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;
}
