BODY *pgp_make_key_attachment (char *tempf)
{
BODY *att;
char buff[LONG_STRING];
char tempfb[_POSIX_PATH_MAX], tmp[STRING];
FILE *tempfp;
FILE *devnull;
struct stat sb;
pid_t thepid;
pgp_key_t key;
unset_option (OPTPGPCHECKTRUST);
key = pgp_ask_for_key (_("Please enter the key ID: "), NULL, 0, PGP_PUBRING);
if (!key) return NULL;
snprintf (tmp, sizeof (tmp), "0x%s", pgp_fpr_or_lkeyid (pgp_principal_key (key)));
pgp_free_key (&key);
if (!tempf)
{
mutt_mktemp (tempfb, sizeof (tempfb));
tempf = tempfb;
}
if ((tempfp = safe_fopen (tempf, tempf == tempfb ? "w" : "a")) == NULL)
{
mutt_perror _("Can't create temporary file");
return NULL;
}
if ((devnull = fopen ("/dev/null", "w")) == NULL) /* __FOPEN_CHECKED__ */
{
mutt_perror _("Can't open /dev/null");
safe_fclose (&tempfp);
if (tempf == tempfb)
unlink (tempf);
return NULL;
}
mutt_message _("Invoking PGP...");
if ((thepid =
pgp_invoke_export (NULL, NULL, NULL, -1,
fileno (tempfp), fileno (devnull), tmp)) == -1)
{
mutt_perror _("Can't create filter");
unlink (tempf);
safe_fclose (&tempfp);
safe_fclose (&devnull);
return NULL;
}
mutt_wait_filter (thepid);
safe_fclose (&tempfp);
safe_fclose (&devnull);
att = mutt_new_body ();
att->filename = safe_strdup (tempf);
att->unlink = 1;
att->use_disp = 0;
att->type = TYPEAPPLICATION;
att->subtype = safe_strdup ("pgp-keys");
snprintf (buff, sizeof (buff), _("PGP Key %s."), tmp);
att->description = safe_strdup (buff);
mutt_update_encoding (att);
stat (tempf, &sb);
att->length = sb.st_size;
return att;
}
static int pgp_send_menu (int bits, int *redraw)
{
pgp_key_t *p;
char input_signas[SHORT_STRING];
char input_micalg[SHORT_STRING];
switch (mutt_multi_choice (_("(e)ncrypt, (s)ign, sign (a)s, (b)oth, select (m)ic algorithm, or (f)orget it? "),
_("esabmf")))
{
case 1: /* (e)ncrypt */
bits |= PGPENCRYPT;
break;
case 2: /* (s)ign */
bits |= PGPSIGN;
break;
case 3: /* sign (a)s */
unset_option(OPTPGPCHECKTRUST);
if ((p = pgp_ask_for_key (_("Sign as: "), NULL, KEYFLAG_CANSIGN, PGP_PUBRING)))
{
snprintf (input_signas, sizeof (input_signas), "0x%s", pgp_keyid (p));
mutt_str_replace (&PgpSignAs, input_signas);
mutt_str_replace (&PgpSignMicalg, pgp_pkalg_to_mic (p->algorithm));
pgp_free_key (&p);
bits |= PGPSIGN;
pgp_void_passphrase (); /* probably need a different passphrase */
}
else
{
bits &= ~PGPSIGN;
}
*redraw = REDRAW_FULL;
break;
case 4: /* (b)oth */
bits = PGPENCRYPT | PGPSIGN;
break;
case 5: /* select (m)ic algorithm */
if (!(bits & PGPSIGN))
mutt_error _("This doesn't make sense if you don't want to sign the message.");
else
{
/* Copy the existing MIC algorithm into place */
strfcpy(input_micalg, NONULL (PgpSignMicalg), sizeof (input_micalg));
if (mutt_get_field (_("MIC algorithm: "), input_micalg, sizeof (input_micalg), 0) == 0)
{
if (mutt_strcasecmp (input_micalg, "pgp-md5") && mutt_strcasecmp (input_micalg, "pgp-sha1")
&& mutt_strcasecmp (input_micalg, "pgp-rmd160"))
{
mutt_error _("Unknown MIC algorithm, valid ones are: pgp-md5, pgp-sha1, pgp-rmd160");
}
else
mutt_str_replace (&PgpSignMicalg, input_micalg);
}
}
break;
case 6: /* (f)orget it */
bits = 0;
break;
}
if (!*redraw)
redraw_pgp_lines (bits);
return (bits);
}
