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attach.c
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attach.c
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/*
* Copyright (C) 1996-2000,2002,2013 Michael R. Elkins <[email protected]>
* Copyright (C) 1999-2004,2006 Thomas Roessler <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "mutt_menu.h"
#include "attach.h"
#include "mutt_curses.h"
#include "keymap.h"
#include "rfc1524.h"
#include "mime.h"
#include "pager.h"
#include "mailbox.h"
#include "copy.h"
#include "mx.h"
#include "mutt_crypt.h"
#include "rfc3676.h"
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
int mutt_get_tmp_attachment (BODY *a)
{
char type[STRING];
BUFFER *tempfile = NULL;
rfc1524_entry *entry = NULL;
FILE *fpin = NULL, *fpout = NULL;
struct stat st;
if (a->unlink)
return 0;
tempfile = mutt_buffer_pool_get ();
entry = rfc1524_new_entry();
snprintf(type, sizeof(type), "%s/%s", TYPE(a), a->subtype);
rfc1524_mailcap_lookup(a, type, sizeof(type), entry, 0);
mutt_rfc1524_expand_filename (entry->nametemplate, a->filename, tempfile);
rfc1524_free_entry(&entry);
if (stat(a->filename, &st) == -1)
{
mutt_buffer_pool_release (&tempfile);
return -1;
}
if ((fpin = fopen(a->filename, "r")) && /* __FOPEN_CHECKED__ */
(fpout = safe_fopen(mutt_b2s (tempfile), "w")))
{
mutt_copy_stream (fpin, fpout);
mutt_str_replace (&a->filename, mutt_b2s (tempfile));
a->unlink = 1;
if (a->stamp >= st.st_mtime)
mutt_stamp_attachment(a);
}
else
mutt_perror(fpin ? mutt_b2s (tempfile) : a->filename);
if (fpin) safe_fclose (&fpin);
if (fpout) safe_fclose (&fpout);
mutt_buffer_pool_release (&tempfile);
return a->unlink ? 0 : -1;
}
/* return 1 if require full screen redraw, 0 otherwise */
int mutt_compose_attachment (BODY *a)
{
char type[STRING];
BUFFER *command = mutt_buffer_pool_get ();
BUFFER *newfile = mutt_buffer_pool_get ();
BUFFER *tempfile = mutt_buffer_pool_get ();
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, sizeof(type), entry, MUTT_COMPOSE))
{
if (entry->composecommand || entry->composetypecommand)
{
if (entry->composetypecommand)
mutt_buffer_strcpy (command, entry->composetypecommand);
else
mutt_buffer_strcpy (command, entry->composecommand);
mutt_rfc1524_expand_filename (entry->nametemplate,
a->filename, newfile);
dprint(1, (debugfile, "oldfile: %s\t newfile: %s\n",
a->filename, mutt_b2s (newfile)));
if (safe_symlink (a->filename, mutt_b2s (newfile)) == -1)
{
if (mutt_yesorno (_("Can't match nametemplate, continue?"), MUTT_YES) != MUTT_YES)
goto bailout;
mutt_buffer_strcpy (newfile, a->filename);
}
else
unlink_newfile = 1;
if (mutt_rfc1524_expand_command (a, mutt_b2s (newfile), type, 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 (mutt_b2s (command))) == -1)
mutt_error (_("Error running \"%s\"!"), mutt_b2s (command));
if (r != -1 && entry->composetypecommand)
{
BODY *b;
FILE *fp, *tfp;
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, SEEK_SET);
mutt_buffer_mktemp (tempfile);
if ((tfp = safe_fopen (mutt_b2s (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 (mutt_b2s (tempfile), a->filename) != 0)
{
mutt_perror _("Failure to rename file.");
goto bailout;
}
mutt_free_body (&b);
}
}
}
}
}
else
{
mutt_message (_("No mailcap compose entry for %s, creating empty file."),
type);
rc = 1;
goto bailout;
}
rc = 1;
bailout:
if (unlink_newfile)
unlink(mutt_b2s (newfile));
mutt_buffer_pool_release (&command);
mutt_buffer_pool_release (&newfile);
mutt_buffer_pool_release (&tempfile);
rfc1524_free_entry (&entry);
return rc;
}
/*
* Currently, this only works for send mode, as it assumes that the
* BODY->filename actually contains the information. I'm not sure
* we want to deal with editing attachments we've already received,
* so this should be ok.
*
* Returns 1 if editor found, 0 if not (useful to tell calling menu to
* redraw)
*/
int mutt_edit_attachment (BODY *a)
{
char type[STRING];
BUFFER *command = mutt_buffer_pool_get ();
BUFFER *newfile = mutt_buffer_pool_get ();
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, sizeof(type), entry, MUTT_EDIT))
{
if (entry->editcommand)
{
mutt_buffer_strcpy (command, entry->editcommand);
mutt_rfc1524_expand_filename (entry->nametemplate,
a->filename, newfile);
dprint(1, (debugfile, "oldfile: %s\t newfile: %s\n",
a->filename, mutt_b2s (newfile)));
if (safe_symlink (a->filename, mutt_b2s (newfile)) == -1)
{
if (mutt_yesorno (_("Can't match nametemplate, continue?"), MUTT_YES) != MUTT_YES)
goto bailout;
mutt_buffer_strcpy (newfile, a->filename);
}
else
unlink_newfile = 1;
if (mutt_rfc1524_expand_command (a, mutt_b2s (newfile), type, command))
{
/* For now, editing requires a file, no piping */
mutt_error _("Mailcap Edit entry requires %%s");
goto bailout;
}
else
{
mutt_endwin (NULL);
if (mutt_system (mutt_b2s (command)) == -1)
{
mutt_error (_("Error running \"%s\"!"), mutt_b2s (command));
goto bailout;
}
}
}
}
else if (a->type == TYPETEXT)
{
/* On text, default to editor */
mutt_edit_file (NONULL (Editor), a->filename);
}
else
{
mutt_error (_("No mailcap edit entry for %s"),type);
rc = 0;
goto bailout;
}
rc = 1;
bailout:
if (unlink_newfile)
unlink(mutt_b2s (newfile));
mutt_buffer_pool_release (&command);
mutt_buffer_pool_release (&newfile);
rfc1524_free_entry (&entry);
return rc;
}
void mutt_check_lookup_list (BODY *b, char *type, size_t len)
{
LIST *t = MimeLookupList;
int i;
for (; t; t = t->next)
{
i = mutt_strlen (t->data) - 1;
if ((i > 0 && t->data[i-1] == '/' && t->data[i] == '*' &&
ascii_strncasecmp (type, t->data, i) == 0) ||
ascii_strcasecmp (type, t->data) == 0)
{
BODY tmp = {0};
int n;
if ((n = mutt_lookup_mime_type (&tmp, b->filename)) != TYPEOTHER)
{
snprintf (type, len, "%s/%s",
n == TYPEAUDIO ? "audio" :
n == TYPEAPPLICATION ? "application" :
n == TYPEIMAGE ? "image" :
n == TYPEMESSAGE ? "message" :
n == TYPEMODEL ? "model" :
n == TYPEMULTIPART ? "multipart" :
n == TYPETEXT ? "text" :
n == TYPEVIDEO ? "video" : "other",
tmp.subtype);
dprint(1, (debugfile, "mutt_check_lookup_list: \"%s\" -> %s\n",
b->filename, type));
}
if (tmp.subtype)
FREE (&tmp.subtype);
if (tmp.xtype)
FREE (&tmp.xtype);
}
}
}
/* 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,
ATTACH_CONTEXT *actx)
{
BUFFER *tempfile = NULL;
BUFFER *pagerfile = NULL;
BUFFER *command = NULL;
int is_message;
int use_mailcap;
int use_pipe = 0;
int use_pager = 1;
char type[STRING];
char descrip[STRING];
char *fname;
rfc1524_entry *entry = NULL;
int rc = -1;
int unlink_tempfile = 0, unlink_pagerfile = 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);
tempfile = mutt_buffer_pool_get ();
pagerfile = mutt_buffer_pool_get ();
command = mutt_buffer_pool_get ();
use_mailcap = (flag == MUTT_MAILCAP ||
(flag == MUTT_REGULAR && mutt_needs_mailcap (a)) ||
flag == MUTT_VIEW_PAGER);
snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
if (use_mailcap)
{
entry = rfc1524_new_entry ();
if (!rfc1524_mailcap_lookup (a, type, sizeof(type), entry,
flag == MUTT_VIEW_PAGER ? MUTT_AUTOVIEW : 0))
{
if (flag == MUTT_REGULAR || flag == MUTT_VIEW_PAGER)
{
/* fallback to view as text */
rfc1524_free_entry (&entry);
mutt_error _("No matching mailcap entry found. Viewing as text.");
flag = MUTT_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;
}
mutt_buffer_strcpy (command, entry->command);
fname = safe_strdup (a->filename);
/* In send mode (!fp), we allow slashes because those are part of
* the tempfile. The path will be removed in expand_filename */
mutt_sanitize_filename (fname,
(fp ? 0 : MUTT_SANITIZE_ALLOW_SLASH) |
MUTT_SANITIZE_ALLOW_8BIT);
mutt_rfc1524_expand_filename (entry->nametemplate, fname,
tempfile);
FREE (&fname);
if (mutt_save_attachment (fp, a, mutt_b2s (tempfile), 0, NULL, 0) == -1)
goto return_error;
unlink_tempfile = 1;
mutt_rfc3676_space_unstuff_attachment (a, mutt_b2s (tempfile));
use_pipe = mutt_rfc1524_expand_command (a, mutt_b2s (tempfile), type,
command);
use_pager = entry->copiousoutput;
}
if (use_pager)
{
if (fp && !use_mailcap && a->filename)
{
/* recv case */
mutt_buffer_strcpy (pagerfile, a->filename);
mutt_adv_mktemp (pagerfile);
}
else
mutt_buffer_mktemp (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 (mutt_b2s (pagerfile), O_CREAT | O_EXCL | O_WRONLY)) == -1))
{
mutt_perror ("open");
goto return_error;
}
unlink_pagerfile = 1;
if (use_pipe && ((tempfd = open (mutt_b2s (tempfile), 0)) == -1))
{
if (pagerfd != -1)
close(pagerfd);
mutt_perror ("open");
goto return_error;
}
if ((thepid = mutt_create_filter_fd (mutt_b2s (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"),
mutt_b2s (command), a->description);
else
snprintf (descrip, sizeof (descrip),
_("---Command: %-30.30s Attachment: %s"), mutt_b2s (command), type);
mutt_wait_filter (thepid);
}
else
{
if (mutt_wait_interactive_filter (thepid) ||
(entry->needsterminal && option (OPTWAITKEY)))
mutt_any_key_to_continue (NULL);
}
if (tempfd != -1)
close (tempfd);
if (pagerfd != -1)
close (pagerfd);
}
else
{
/* interactive command */
if (mutt_system (mutt_b2s (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 == MUTT_AS_TEXT)
{
/* just let me see the raw data */
if (fp)
{
/* Viewing from a received message.
*
* Don't use mutt_save_attachment() because we want to perform charset
* conversion since this will be displayed by the internal pager.
*/
STATE decode_state;
memset(&decode_state, 0, sizeof(decode_state));
decode_state.fpout = safe_fopen(mutt_b2s (pagerfile), "w");
if (!decode_state.fpout)
{
dprint(1, (debugfile, "mutt_view_attachment:%d safe_fopen(%s) errno=%d %s\n",
__LINE__, mutt_b2s (pagerfile), errno, strerror(errno)));
mutt_perror(mutt_b2s (pagerfile));
mutt_sleep(1);
goto return_error;
}
unlink_pagerfile = 1;
decode_state.fpin = fp;
decode_state.flags = MUTT_CHARCONV;
mutt_decode_attachment(a, &decode_state);
if (fclose(decode_state.fpout) == EOF)
dprint(1, (debugfile, "mutt_view_attachment:%d fclose errno=%d %s\n",
__LINE__, mutt_b2s (pagerfile), errno, strerror(errno)));
}
else
{
/* in compose mode, just copy the file. we can't use
* mutt_decode_attachment() since it assumes the content-encoding has
* already been applied
*/
if (mutt_save_attachment (fp, a, mutt_b2s (pagerfile), 0, NULL, 0))
goto return_error;
unlink_pagerfile = 1;
}
mutt_rfc3676_space_unstuff_attachment (a, mutt_b2s (pagerfile));
}
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, mutt_b2s (pagerfile), MUTT_DISPLAY, 0))
{
unset_option (OPTVIEWATTACH);
goto return_error;
}
unlink_pagerfile = 1;
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.actx = actx;
info.hdr = hdr;
rc = mutt_do_pager (descrip, mutt_b2s (pagerfile),
MUTT_PAGER_ATTACHMENT | (is_message ? MUTT_PAGER_MESSAGE : 0), &info);
unlink_pagerfile = 0;
}
else
rc = 0;
return_error:
rfc1524_free_entry (&entry);
if (unlink_tempfile)
mutt_unlink (mutt_b2s (tempfile));
if (unlink_pagerfile)
mutt_unlink (mutt_b2s (pagerfile));
mutt_buffer_pool_release (&tempfile);
mutt_buffer_pool_release (&pagerfile);
mutt_buffer_pool_release (&command);
return rc;
}
/* returns 1 on success, 0 on error */
int mutt_pipe_attachment (FILE *fp, BODY *b, const char *path, const char *outfile)
{
pid_t thepid = 0;
int out = -1, rv = 0, is_flowed = 0, unlink_unstuff = 0;
FILE *filter_fp = NULL, *unstuff_fp = NULL, *ifp = NULL;
BUFFER *unstuff_tempfile = NULL;
if (outfile && *outfile)
if ((out = safe_open (outfile, O_CREAT | O_EXCL | O_WRONLY)) < 0)
{
mutt_perror ("open");
return 0;
}
if (mutt_rfc3676_is_format_flowed (b))
{
is_flowed = 1;
unstuff_tempfile = mutt_buffer_pool_get ();
mutt_buffer_mktemp (unstuff_tempfile);
}
mutt_endwin (NULL);
if (outfile && *outfile)
thepid = mutt_create_filter_fd (path, &filter_fp, NULL, NULL, -1, out, -1);
else
thepid = mutt_create_filter (path, &filter_fp, NULL, NULL);
if (thepid < 0)
{
mutt_perror _("Can't create filter");
goto bail;
}
/* recv case */
if (fp)
{
STATE s;
memset (&s, 0, sizeof (STATE));
/* perform charset conversion on text attachments when piping */
s.flags = MUTT_CHARCONV;
if (is_flowed)
{
unstuff_fp = safe_fopen (mutt_b2s (unstuff_tempfile), "w");
if (unstuff_fp == NULL)
{
mutt_perror ("safe_fopen");
goto bail;
}
unlink_unstuff = 1;
s.fpin = fp;
s.fpout = unstuff_fp;
mutt_decode_attachment (b, &s);
safe_fclose (&unstuff_fp);
mutt_rfc3676_space_unstuff_attachment (b, mutt_b2s (unstuff_tempfile));
unstuff_fp = safe_fopen (mutt_b2s (unstuff_tempfile), "r");
if (unstuff_fp == NULL)
{
mutt_perror ("safe_fopen");
goto bail;
}
mutt_copy_stream (unstuff_fp, filter_fp);
safe_fclose (&unstuff_fp);
}
else
{
s.fpin = fp;
s.fpout = filter_fp;
mutt_decode_attachment (b, &s);
}
}
/* send case */
else
{
const char *infile;
if (is_flowed)
{
if (mutt_save_attachment (fp, b, mutt_b2s (unstuff_tempfile), 0, NULL, 0) == -1)
goto bail;
unlink_unstuff = 1;
mutt_rfc3676_space_unstuff_attachment (b, mutt_b2s (unstuff_tempfile));
infile = mutt_b2s (unstuff_tempfile);
}
else
infile = b->filename;
if ((ifp = fopen (infile, "r")) == NULL)
{
mutt_perror ("fopen");
goto bail;
}
mutt_copy_stream (ifp, filter_fp);
safe_fclose (&ifp);
}
safe_fclose (&filter_fp);
rv = 1;
bail:
if (outfile && *outfile)
{
close (out);
if (rv == 0)
unlink (outfile);
else if (is_flowed)
mutt_rfc3676_space_stuff_attachment (NULL, outfile);
}
safe_fclose (&unstuff_fp);
safe_fclose (&filter_fp);
safe_fclose (&ifp);
if (unlink_unstuff)
mutt_unlink (mutt_b2s (unstuff_tempfile));
mutt_buffer_pool_release (&unstuff_tempfile);
/*
* check for error exit from child process
*/
if ((thepid > 0) && (mutt_wait_filter (thepid) != 0))
rv = 0;
if (rv == 0 || option (OPTWAITKEY))
mutt_any_key_to_continue (NULL);
return rv;
}
static FILE *
mutt_save_attachment_open (const char *path, int flags)
{
if (flags == MUTT_SAVE_APPEND)
return fopen (path, "a");
if (flags == MUTT_SAVE_OVERWRITE)
return fopen (path, "w"); /* __FOPEN_CHECKED__ */
return safe_fopen (path, "w");
}
/* returns 0 on success, -1 on error */
int mutt_save_attachment (FILE *fp, BODY *m, const char *path, int flags, HEADER *hdr,
int charset_conv)
{
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, SEEK_SET);
if (fgets (buf, sizeof (buf), fp) == NULL)
return -1;
if (mx_open_mailbox(path, MUTT_APPEND | MUTT_QUIET, &ctx) == NULL)
return -1;
if ((msg = mx_open_new_message (&ctx, hn, is_from (buf, NULL, 0, NULL) ? 0 : MUTT_ADD_FROM)) == NULL)
{
mx_close_mailbox(&ctx, NULL);
return -1;
}
if (ctx.magic == MUTT_MBOX || ctx.magic == MUTT_MMDF)
chflags = CH_FROM | CH_UPDATE_LEN;
chflags |= (ctx.magic == MUTT_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 (&ctx, &msg);
mx_close_mailbox (&ctx, NULL);
return r;
}
else
{
/* In recv mode, extract from folder and decode */
STATE s;
memset (&s, 0, sizeof (s));
if (charset_conv)
s.flags = MUTT_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, SEEK_SET);
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 0 on success, -1 on error */
int mutt_decode_save_attachment (FILE *fp, BODY *m, const char *path,
int displaying, int flags)
{
STATE s;
unsigned int saved_encoding = 0;
BODY *saved_parts = NULL;
HEADER *saved_hdr = NULL;
memset (&s, 0, sizeof (s));
s.flags = displaying;
if (flags == MUTT_SAVE_APPEND)
s.fpout = fopen (path, "a");
else if (flags == MUTT_SAVE_OVERWRITE)
s.fpout = fopen (path, "w"); /* __FOPEN_CHECKED__ */
else
s.fpout = safe_fopen (path, "w");
if (s.fpout == NULL)
{
mutt_perror ("fopen");
return (-1);
}
if (fp == NULL)
{
/* When called from the compose menu, the attachment isn't parsed,
* so we need to do it here. */
struct stat st;
if (stat (m->filename, &st) == -1)
{
mutt_perror ("stat");
safe_fclose (&s.fpout);
return (-1);
}
if ((s.fpin = fopen (m->filename, "r")) == NULL)
{
mutt_perror ("fopen");
return (-1);
}
saved_encoding = m->encoding;
if (!is_multipart (m))
m->encoding = ENC8BIT;
m->length = st.st_size;
m->offset = 0;
saved_parts = m->parts;
saved_hdr = m->hdr;
mutt_parse_part (s.fpin, m);
if (m->noconv || is_multipart (m))
s.flags |= MUTT_CHARCONV;
}
else
{
s.fpin = fp;
s.flags |= MUTT_CHARCONV;
}
mutt_body_handler (m, &s);
safe_fclose (&s.fpout);
if (fp == NULL)
{
m->length = 0;
m->encoding = saved_encoding;
if (saved_parts)
{
mutt_free_header (&m->hdr);
m->parts = saved_parts;
m->hdr = saved_hdr;
}
safe_fclose (&s.fpin);
}
return (0);
}
/* Ok, the difference between send and receive:
* recv: BODY->filename is a suggested name, and Context|HEADER points
* to the attachment in mailbox which is encoded
* send: BODY->filename points to the un-encoded file which contains the
* attachment
*/
int mutt_print_attachment (FILE *fp, BODY *a)
{
BUFFER *newfile = mutt_buffer_pool_get ();
BUFFER *command = mutt_buffer_pool_get ();
char type[STRING];
pid_t thepid;
FILE *ifp, *fpout;
short unlink_newfile = 0;
int rc = 0;
snprintf (type, sizeof (type), "%s/%s", TYPE (a), a->subtype);
if (rfc1524_mailcap_lookup (a, type, sizeof(type), NULL, MUTT_PRINT))
{
rfc1524_entry *entry = NULL;
int piped = 0;
char *sanitized_fname = NULL;
dprint (2, (debugfile, "Using mailcap...\n"));
entry = rfc1524_new_entry ();
rfc1524_mailcap_lookup (a, type, sizeof(type), entry, MUTT_PRINT);
sanitized_fname = safe_strdup (a->filename);
/* In send mode (!fp), we allow slashes because those are part of
* the tempfile. The path will be removed in expand_filename */
mutt_sanitize_filename (sanitized_fname,
(fp ? 0 : MUTT_SANITIZE_ALLOW_SLASH) |
MUTT_SANITIZE_ALLOW_8BIT);
mutt_rfc1524_expand_filename (entry->nametemplate, sanitized_fname,
newfile);
FREE (&sanitized_fname);
if (mutt_save_attachment (fp, a, mutt_b2s (newfile), 0, NULL, 0) == -1)
goto mailcap_cleanup;
unlink_newfile = 1;
mutt_rfc3676_space_unstuff_attachment (a, mutt_b2s (newfile));
mutt_buffer_strcpy (command, entry->printcommand);
piped = mutt_rfc1524_expand_command (a, mutt_b2s (newfile), type, command);
mutt_endwin (NULL);