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attach.c
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attach.c
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/**
* @file
* Handling of email attachments
*
* @authors
* Copyright (C) 1996-2000,2002,2013 Michael R. Elkins <[email protected]>
* Copyright (C) 1999-2004,2006 Thomas Roessler <[email protected]>
*
* @copyright
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "mutt.h"
#include "attach.h"
#include "body.h"
#include "context.h"
#include "copy.h"
#include "filter.h"
#include "globals.h"
#include "header.h"
#include "lib/lib.h"
#include "list.h"
#include "mailbox.h"
#include "mime.h"
#include "mutt_curses.h"
#include "mx.h"
#include "ncrypt/ncrypt.h"
#include "options.h"
#include "pager.h"
#include "parameter.h"
#include "protos.h"
#include "rfc1524.h"
#include "state.h"
int mutt_get_tmp_attachment(struct Body *a)
{
char type[STRING];
char tempfile[_POSIX_PATH_MAX];
FILE *fpin = NULL, *fpout = NULL;
struct stat st;
if (a->unlink)
return 0;
struct Rfc1524MailcapEntry *entry = rfc1524_new_entry();
snprintf(type, sizeof(type), "%s/%s", TYPE(a), a->subtype);
rfc1524_mailcap_lookup(a, type, entry, 0);
rfc1524_expand_filename(entry->nametemplate, a->filename, tempfile, sizeof(tempfile));
rfc1524_free_entry(&entry);
if (stat(a->filename, &st) == -1)
return -1;
if ((fpin = fopen(a->filename, "r")) && (fpout = safe_fopen(tempfile, "w")))
{
mutt_copy_stream(fpin, fpout);
mutt_str_replace(&a->filename, tempfile);
a->unlink = true;
if (a->stamp >= st.st_mtime)
mutt_stamp_attachment(a);
}
else
mutt_perror(fpin ? tempfile : a->filename);
if (fpin)
safe_fclose(&fpin);
if (fpout)
safe_fclose(&fpout);
return a->unlink ? 0 : -1;
}
/**
* mutt_compose_attachment - Create an attachment
* @retval 1 if require full screen redraw
* @retval 0 otherwise
*/
int mutt_compose_attachment(struct Body *a)
{
char type[STRING];
char command[STRING];
char newfile[_POSIX_PATH_MAX] = "";
struct Rfc1524MailcapEntry *entry = rfc1524_new_entry();
bool unlink_newfile = false;
int rc = 0;
snprintf(type, sizeof(type), "%s/%s", TYPE(a), a->subtype);
if (rfc1524_mailcap_lookup(a, type, entry, MUTT_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)))
{
mutt_debug(1, "oldfile: %s\t newfile: %s\n", a->filename, newfile);
if (safe_symlink(a->filename, newfile) == -1)
{
if (mutt_yesorno(_("Can't match nametemplate, continue?"), MUTT_YES) != MUTT_YES)
goto bailout;
}
else
unlink_newfile = true;
}
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)
{
struct Body *b = NULL;
FILE *fp = NULL, *tfp = NULL;
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, SEEK_SET);
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;
}
/**
* mutt_edit_attachment - Edit an attachment
* @param a Email containing attachment
* @retval 1 if editor found
* @retval 0 if not
*
* 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.
*
* Returning 0 is useful to tell the calling menu to redraw
*/
int mutt_edit_attachment(struct Body *a)
{
char type[STRING];
char command[STRING];
char newfile[_POSIX_PATH_MAX] = "";
struct Rfc1524MailcapEntry *entry = rfc1524_new_entry();
bool unlink_newfile = false;
int rc = 0;
snprintf(type, sizeof(type), "%s/%s", TYPE(a), a->subtype);
if (rfc1524_mailcap_lookup(a, type, entry, MUTT_EDIT))
{
if (entry->editcommand)
{
strfcpy(command, entry->editcommand, sizeof(command));
if (rfc1524_expand_filename(entry->nametemplate, a->filename, newfile, sizeof(newfile)))
{
mutt_debug(1, "oldfile: %s\t newfile: %s\n", a->filename, newfile);
if (safe_symlink(a->filename, newfile) == -1)
{
if (mutt_yesorno(_("Can't match nametemplate, continue?"), MUTT_YES) != MUTT_YES)
goto bailout;
}
else
unlink_newfile = true;
}
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 Edit entry requires %%s"));
goto bailout;
}
else
{
mutt_endwin(NULL);
if (mutt_system(command) == -1)
{
mutt_error(_("Error running \"%s\"!"), command);
goto bailout;
}
}
}
}
else if (a->type == TYPETEXT)
{
/* On text, default to editor */
mutt_edit_file(NONULL(Editor), a->filename);
}
else
{
rfc1524_free_entry(&entry);
mutt_error(_("No mailcap edit entry for %s"), type);
return 0;
}
rc = 1;
bailout:
if (unlink_newfile)
unlink(newfile);
rfc1524_free_entry(&entry);
return rc;
}
/**
* mutt_check_lookup_list - Update the mime type
* @param b Message attachment body
* @param type Buffer with mime type of attachment in "type/subtype" format
* @param len Buffer length
*/
void mutt_check_lookup_list(struct Body *b, char *type, int len)
{
int i;
struct ListNode *np;
STAILQ_FOREACH(np, &MimeLookupList, entries)
{
i = mutt_strlen(np->data) - 1;
if ((i > 0 && np->data[i - 1] == '/' && np->data[i] == '*' &&
(mutt_strncasecmp(type, np->data, i) == 0)) ||
(mutt_strcasecmp(type, np->data) == 0))
{
struct 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);
mutt_debug(1, "mutt_check_lookup_list: \"%s\" -> %s\n", b->filename, type);
}
if (tmp.subtype)
FREE(&tmp.subtype);
if (tmp.xtype)
FREE(&tmp.xtype);
}
}
}
/**
* mutt_view_attachment - View an attachment
* @param fp Source file stream. Can be NULL
* @param a The message body containing the attachment
* @param flag Option flag for how the attachment should be viewed
* @param hdr Message header for the current message. Can be NULL
* @param idx Attachment
* @param idxlen Number of attachments
* @retval 0 If the viewer is run and exited succesfully
* @retval -1 Error
* @retval n Return value of mutt_do_pager() when it is used
*
* flag can be one of: #MUTT_MAILCAP, #MUTT_REGULAR, #MUTT_AS_TEXT
*
* Display a message attachment using the viewer program configured in mailcap.
* If there is no mailcap entry for a file type, view the image as text.
* Viewer processes are opened and waited on synchronously so viewing an
* attachment this way will block the main mutt process until the viewer process
* exits.
*
*/
int mutt_view_attachment(FILE *fp, struct Body *a, int flag, struct Header *hdr,
struct AttachPtr **idx, short idxlen)
{
char tempfile[_POSIX_PATH_MAX] = "";
char pagerfile[_POSIX_PATH_MAX] = "";
bool is_message = false;
bool use_mailcap = false;
bool use_pipe = false;
bool use_pager = true;
char type[STRING];
char command[HUGE_STRING];
char descrip[STRING];
char *fname = NULL;
struct Rfc1524MailcapEntry *entry = NULL;
int rc = -1;
bool unlink_tempfile = false;
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 == MUTT_MAILCAP || (flag == MUTT_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 == MUTT_REGULAR)
{
/* 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 = false;
}
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) != 0))
{
/* send case: the file is already there */
if (safe_symlink(a->filename, tempfile) == -1)
{
if (mutt_yesorno(_("Can't match nametemplate, continue?"), MUTT_YES) == MUTT_YES)
strfcpy(tempfile, a->filename, sizeof(tempfile));
else
goto return_error;
}
else
unlink_tempfile = true;
}
}
else if (!fp) /* 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;
chmod(tempfile, 0400);
}
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(OPT_WAIT_KEY))) && !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(OPT_WAIT_KEY)))
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.
*/
struct State decode_state;
memset(&decode_state, 0, sizeof(decode_state));
decode_state.fpout = safe_fopen(pagerfile, "w");
if (!decode_state.fpout)
{
mutt_debug(1, "mutt_view_attachment:%d safe_fopen(%s) errno=%d %s\n",
__LINE__, pagerfile, errno, strerror(errno));
mutt_perror(pagerfile);
mutt_sleep(1);
goto return_error;
}
decode_state.fpin = fp;
decode_state.flags = MUTT_CHARCONV;
mutt_decode_attachment(a, &decode_state);
if (fclose(decode_state.fpout) == EOF)
mutt_debug(1, "mutt_view_attachment:%d fclose(%s) errno=%d %s\n",
__LINE__, 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, pagerfile, 0, NULL))
goto return_error;
}
}
else
{
/* Use built-in handler */
set_option(OPT_VIEW_ATTACH); /* disable the "use 'v' to view this part"
* message in case of error */
if (mutt_decode_save_attachment(fp, a, pagerfile, MUTT_DISPLAY, 0))
{
unset_option(OPT_VIEW_ATTACH);
goto return_error;
}
unset_option(OPT_VIEW_ATTACH);
}
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)
{
struct Pager 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,
MUTT_PAGER_ATTACHMENT | (is_message ? MUTT_PAGER_MESSAGE : 0),
&info);
*pagerfile = '\0';
}
else
rc = 0;
return_error:
if (entry)
rfc1524_free_entry(&entry);
if (fp && tempfile[0])
{
/* Restore write permission so mutt_unlink can open the file for writing */
chmod(tempfile, 0600);
mutt_unlink(tempfile);
}
else if (unlink_tempfile)
unlink(tempfile);
if (pagerfile[0])
mutt_unlink(pagerfile);
return rc;
}
/**
* mutt_pipe_attachment - Pipe an attachment to a command
* @retval 1 on success
* @retval 0 on error
*/
int mutt_pipe_attachment(FILE *fp, struct Body *b, const char *path, char *outfile)
{
pid_t thepid;
int out = -1;
int rv = 0;
if (outfile && *outfile)
if ((out = safe_open(outfile, O_CREAT | O_EXCL | O_WRONLY)) < 0)
{
mutt_perror("open");
return 0;
}
mutt_endwin(NULL);
if (fp)
{
/* recv case */
struct State s;
memset(&s, 0, sizeof(struct State));
/* perform charset conversion on text attachments when piping */
s.flags = MUTT_CHARCONV;
if (outfile && *outfile)
thepid = mutt_create_filter_fd(path, &s.fpout, NULL, NULL, -1, out, -1);
else
thepid = mutt_create_filter(path, &s.fpout, NULL, NULL);
if (thepid < 0)
{
mutt_perror(_("Can't create filter"));
goto bail;
}
s.fpin = fp;
mutt_decode_attachment(b, &s);
safe_fclose(&s.fpout);
}
else
{
/* send case */
FILE *ifp = NULL, *ofp = NULL;
if ((ifp = fopen(b->filename, "r")) == NULL)
{
mutt_perror("fopen");
if (outfile && *outfile)
{
close(out);
unlink(outfile);
}
return 0;
}
if (outfile && *outfile)
thepid = mutt_create_filter_fd(path, &ofp, NULL, NULL, -1, out, -1);
else
thepid = mutt_create_filter(path, &ofp, NULL, NULL);
if (thepid < 0)
{
mutt_perror(_("Can't create filter"));
safe_fclose(&ifp);
goto bail;
}
mutt_copy_stream(ifp, ofp);
safe_fclose(&ofp);
safe_fclose(&ifp);
}
rv = 1;
bail:
if (outfile && *outfile)
close(out);
/*
* check for error exit from child process
*/
if (mutt_wait_filter(thepid) != 0)
rv = 0;
if (rv == 0 || option(OPT_WAIT_KEY))
mutt_any_key_to_continue(NULL);
return rv;
}
static FILE *save_attachment_open(char *path, int flags)
{
if (flags == MUTT_SAVE_APPEND)
return fopen(path, "a");
if (flags == MUTT_SAVE_OVERWRITE)
return fopen(path, "w");
return safe_fopen(path, "w");
}
/**
* mutt_save_attachment - Save an attachment
* @retval 0 on success
* @retval -1 on error
*/
int mutt_save_attachment(FILE *fp, struct Body *m, char *path, int flags, struct Header *hdr)
{
if (!m)
return -1;
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];
struct Header *hn = NULL;
struct Context ctx;
struct Message *msg = NULL;
int chflags = 0;
int r = -1;
hn = m->hdr;
hn->msgno = hdr->msgno; /* required for MH/maildir */
hn->read = true;
if (fseeko(fp, m->offset, SEEK_SET) < 0)
return -1;
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 */
struct State s;
memset(&s, 0, sizeof(s));
if ((s.fpout = 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 (safe_fsync_close(&s.fpout) != 0)
{
mutt_perror("fclose");
mutt_sleep(2);
return -1;
}
}
}
else
{
if (!m->filename)
return -1;
/* In send mode, just copy file */
FILE *ofp = NULL, *nfp = NULL;
if ((ofp = fopen(m->filename, "r")) == NULL)
{
mutt_perror("fopen");
return -1;
}
if ((nfp = 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);
if (safe_fsync_close(&nfp) != 0)
{
mutt_error(_("Write fault!"));
return -1;
}
}
return 0;
}
/**
* mutt_decode_save_attachment - Decode, then save an attachment
* @retval 0 on success
* @retval -1 on error
*/
int mutt_decode_save_attachment(FILE *fp, struct Body *m, char *path, int displaying, int flags)
{
struct State s;
unsigned int saved_encoding = 0;
struct Body *saved_parts = NULL;
struct Header *saved_hdr = NULL;
int ret = 0;
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");
else
s.fpout = safe_fopen(path, "w");
if (!s.fpout)
{
mutt_perror("fopen");
return -1;
}
if (!fp)
{
/* 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);
if (safe_fsync_close(&s.fpout) != 0)
{
mutt_perror("fclose");
ret = -1;
}
if (!fp)
{
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 ret;
}
/**
* mutt_print_attachment - Print out an attachment
*
* 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, struct Body *a)
{
char newfile[_POSIX_PATH_MAX] = "";
char type[STRING];
pid_t thepid;
FILE *ifp = NULL, *fpout = NULL;
bool unlink_newfile = false;
snprintf(type, sizeof(type), "%s/%s", TYPE(a), a->subtype);
if (rfc1524_mailcap_lookup(a, type, NULL, MUTT_PRINT))
{
char command[_POSIX_PATH_MAX + STRING];
struct Rfc1524MailcapEntry *entry = NULL;
int piped = false;
mutt_debug(2, "Using mailcap...\n");
entry = rfc1524_new_entry();
rfc1524_mailcap_lookup(a, type, entry, MUTT_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?"), MUTT_YES) != MUTT_YES)
{
rfc1524_free_entry(&entry);
return 0;
}
strfcpy(newfile, a->filename, sizeof(newfile));
}
else
unlink_newfile = true;
}
}