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gpg: New option --mimemode.

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* g10/gpg.c (oMimemode): New.
(opts): Add --mimemode.
(main): Use --mimemode only in rfc4880bis compliance mode.
* g10/options.h (struct opt): Add field "mimemode".
* g10/build-packet.c (do_plaintext): Allow for mode 'm'.
* g10/encrypt.c (encrypt_simple, encrypt_crypt): Use 'm' if requested.
* g10/plaintext.c (handle_plaintext): Handle 'm' mode.
* g10/sign.c (write_plaintext_packet): Handle 'm' mode.
(sign_file, sign_symencrypt_file): Use 'm' if requested.
--

Thsi patch prepares for a proposed change in RFC4880bis to support a
MIME flag.  A literal data packet with the mime flag set is handled
like a 't' or 'u' but CR are not removed.  The PLAINTEXT status line
will also indicate a MIME content.

If --mimemode is used without --rfc4880bis 't' will be used.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-07-13 13:31:12 +02:00
parent 95810929f7
commit e148c3caa9
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 30 additions and 11 deletions
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15
g10/plaintext.c
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@ -217,11 +217,16 @@ handle_plaintext (PKT_plaintext * pt, md_filter_context_t * mfx,
static off_t count = 0;
int err = 0;
int c;
int convert = (pt->mode == 't' || pt->mode == 'u');
int convert;
#ifdef __riscos__
int filetype = 0xfff;
#endif
if (pt->mode == 't' || pt->mode == 'u' || pt->mode == 'm')
convert = pt->mode;
else
convert = 0;
/* Let people know what the plaintext info is. This allows the
receiving program to try and do something different based on the
format code (say, recode UTF-8 to local). */
@ -279,8 +284,10 @@ handle_plaintext (PKT_plaintext * pt, md_filter_context_t * mfx,
if (mfx->md)
gcry_md_putc (mfx->md, c);
#ifndef HAVE_DOSISH_SYSTEM
if (c == '\r') /* convert to native line ending */
continue; /* fixme: this hack might be too simple */
/* Convert to native line ending. */
/* fixme: this hack might be too simple */
if (c == '\r' && convert != 'm')
continue;
#endif
if (fp)
{
@ -354,7 +361,7 @@ handle_plaintext (PKT_plaintext * pt, md_filter_context_t * mfx,
if (mfx->md)
gcry_md_putc (mfx->md, c);
#ifndef HAVE_DOSISH_SYSTEM
if (convert && c == '\r')
if (c == '\r' && convert != 'm')
continue; /* fixme: this hack might be too simple */
#endif
if (fp)