-
-
-int mutt_is_multipart_signed (BODY * b)
-{
- char *p;
-
- if (!b || !(b->type == TYPEMULTIPART) ||
- !b->subtype || ascii_strcasecmp (b->subtype, "signed"))
- return 0;
-
- if (!(p = mutt_get_parameter ("protocol", b->parameter)))
- return 0;
-
- if (!(ascii_strcasecmp (p, "multipart/mixed")))
- return SIGN;
-
- if (!(ascii_strcasecmp (p, "application/pgp-signature")))
- return PGPSIGN;
-
- if (!(ascii_strcasecmp (p, "application/x-pkcs7-signature")))
- return SMIMESIGN;
- if (!(ascii_strcasecmp (p, "application/pkcs7-signature")))
- return SMIMESIGN;
-
- return 0;
-}
-
-
-int mutt_is_multipart_encrypted (BODY * b)
-{
- char *p;
-
- if (!b || b->type != TYPEMULTIPART ||
- !b->subtype || ascii_strcasecmp (b->subtype, "encrypted") ||
- !(p = mutt_get_parameter ("protocol", b->parameter)) ||
- ascii_strcasecmp (p, "application/pgp-encrypted"))
- return 0;
-
- return PGPENCRYPT;
-}
-
-
-int mutt_is_application_pgp (BODY * m)
-{
- int t = 0;
- char *p;
-
- if (m->type == TYPEAPPLICATION) {
- if (!ascii_strcasecmp (m->subtype, "pgp")
- || !ascii_strcasecmp (m->subtype, "x-pgp-message")) {
- if ((p = mutt_get_parameter ("x-action", m->parameter))
- && (!ascii_strcasecmp (p, "sign")
- || !ascii_strcasecmp (p, "signclear")))
- t |= PGPSIGN;
-
- if ((p = mutt_get_parameter ("format", m->parameter)) &&
- !ascii_strcasecmp (p, "keys-only"))
- t |= PGPKEY;
-
- if (!t)
- t |= PGPENCRYPT; /* not necessarily correct, but... */
- }
-
- if (!ascii_strcasecmp (m->subtype, "pgp-signed"))
- t |= PGPSIGN;
-
- if (!ascii_strcasecmp (m->subtype, "pgp-keys"))
- t |= PGPKEY;
- }
- else if (m->type == TYPETEXT && ascii_strcasecmp ("plain", m->subtype) == 0) {
- if (((p = mutt_get_parameter ("x-mutt-action", m->parameter))
- || (p = mutt_get_parameter ("x-action", m->parameter))
- || (p = mutt_get_parameter ("action", m->parameter)))
- && !ascii_strncasecmp ("pgp-sign", p, 8))
- t |= PGPSIGN;
- else if (p && !ascii_strncasecmp ("pgp-encrypt", p, 11))
- t |= PGPENCRYPT;
- else if (p && !ascii_strncasecmp ("pgp-keys", p, 7))
- t |= PGPKEY;
- }
- if (t)
- t |= PGPINLINE;
-
- return t;
-}
-
-int mutt_is_application_smime (BODY * m)
-{
- char *t = NULL;
- int len, complain = 0;
-
- if (!m)
- return 0;
-
- if ((m->type & TYPEAPPLICATION) && m->subtype) {
- /* S/MIME MIME types don't need x- anymore, see RFC2311 */
- if (!ascii_strcasecmp (m->subtype, "x-pkcs7-mime") ||
- !ascii_strcasecmp (m->subtype, "pkcs7-mime")) {
- if ((t = mutt_get_parameter ("smime-type", m->parameter))) {
- if (!ascii_strcasecmp (t, "enveloped-data"))
- return SMIMEENCRYPT;
- else if (!ascii_strcasecmp (t, "signed-data"))
- return (SMIMESIGN | SMIMEOPAQUE);
- else
- return 0;
- }
- /* Netscape 4.7 uses
- * Content-Description: S/MIME Encrypted Message
- * instead of Content-Type parameter
- */
- if (!ascii_strcasecmp (m->description, "S/MIME Encrypted Message"))
- return SMIMEENCRYPT;
- complain = 1;
- }
- else if (ascii_strcasecmp (m->subtype, "octet-stream"))
- return 0;
-
- t = mutt_get_parameter ("name", m->parameter);
-
- if (!t)
- t = m->d_filename;
- if (!t)
- t = m->filename;
- if (!t) {
- if (complain)
- mutt_message (_
- ("S/MIME messages with no hints on content are unsupported."));
- return 0;
- }
-
- /* no .p7c, .p10 support yet. */
-
- len = m_strlen(t) - 4;
- if (len > 0 && *(t + len) == '.') {
- len++;
- if (!ascii_strcasecmp ((t + len), "p7m"))
-#if 0
- return SMIMEENCRYPT;
-#else
- /* Not sure if this is the correct thing to do, but
- it's required for compatibility with Outlook */
- return (SMIMESIGN | SMIMEOPAQUE);
-#endif
- else if (!ascii_strcasecmp ((t + len), "p7s"))
- return (SMIMESIGN | SMIMEOPAQUE);
- }
- }
-
- return 0;
-}
-
-
-
-
-
-