static pid_t pgp_invoke (FILE ** pgpin, FILE ** pgpout, FILE ** pgperr,
int pgpinfd, int pgpoutfd, int pgperrfd,
short need_passphrase,
const char *fname,
const char *sig_fname,
const char *signas,
const char *ids, const char *format)
{
struct pgp_command_context cctx;
char cmd[HUGE_STRING];
memset (&cctx, 0, sizeof (cctx));
if (!format || !*format)
return (pid_t) - 1;
cctx.need_passphrase = need_passphrase;
cctx.fname = fname;
cctx.sig_fname = sig_fname;
cctx.signas = signas;
cctx.ids = ids;
mutt_pgp_command (cmd, sizeof (cmd), &cctx, format);
return mutt_create_filter_fd (cmd, pgpin, pgpout, pgperr,
pgpinfd, pgpoutfd, pgperrfd);
}
static pid_t smime_invoke(FILE **smimein, FILE **smimeout, FILE **smimeerr,
int smimeinfd, int smimeoutfd, int smimeerrfd,
const char *fname,
const char *sig_fname,
const char *cryptalg,
const char *key,
const char *certificates,
const char *intermediates,
const char *format)
{
struct smime_command_context cctx;
char cmd[HUGE_STRING];
memset(&cctx, 0, sizeof(cctx));
if (!format || !*format)
return(pid_t) -1;
cctx.fname = fname;
cctx.sig_fname = sig_fname;
cctx.key = key;
cctx.cryptalg = cryptalg;
cctx.certificates = certificates;
cctx.intermediates = intermediates;
mutt_smime_command(cmd, sizeof(cmd), &cctx, format);
return mutt_create_filter_fd(cmd, smimein, smimeout, smimeerr,
smimeinfd, smimeoutfd, smimeerrfd);
}
pid_t mutt_create_filter(const char *s, FILE **in, FILE **out, FILE **err)
{
return mutt_create_filter_fd(s, in, out, err, -1, -1, -1);
}
/* returns 1 on success, 0 on error */
int mutt_pipe_attachment (FILE *fp, 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 */
STATE s;
memset (&s, 0, sizeof (STATE));
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, *ofp;
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 (OPTWAITKEY))
mutt_any_key_to_continue (NULL);
return rv;
}
/* 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;
}
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;
}
