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-rw-r--r--camel/camel-mime-filter-canon.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/camel/camel-mime-filter-canon.c b/camel/camel-mime-filter-canon.c
deleted file mode 100644
index 43337ae85..000000000
--- a/camel/camel-mime-filter-canon.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Copyright (C) 2002 Ximian, Inc.
- *
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- * Michael Zucchi <notzed@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/* canonicalisation filter, used for secure mime incoming and outgoing */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <ctype.h>
-
-#include "camel-mime-filter-canon.h"
-
-static void filter (CamelMimeFilter *f, char *in, size_t len, size_t prespace,
- char **out, size_t *outlen, size_t *outprespace);
-static void complete (CamelMimeFilter *f, char *in, size_t len,
- size_t prespace, char **out, size_t *outlen,
- size_t *outprespace);
-static void reset (CamelMimeFilter *f);
-
-
-static void
-camel_mime_filter_canon_class_init (CamelMimeFilterCanonClass *klass)
-{
- CamelMimeFilterClass *mime_filter_class = (CamelMimeFilterClass *) klass;
-
- mime_filter_class->filter = filter;
- mime_filter_class->complete = complete;
- mime_filter_class->reset = reset;
-}
-
-CamelType
-camel_mime_filter_canon_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_mime_filter_get_type(), "CamelMimeFilterCanon",
- sizeof (CamelMimeFilterCanon),
- sizeof (CamelMimeFilterCanonClass),
- (CamelObjectClassInitFunc) camel_mime_filter_canon_class_init,
- NULL,
- NULL,
- NULL);
- }
-
- return type;
-}
-
-static void
-filter(CamelMimeFilter *f, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace)
-{
- register unsigned char *inptr, c;
- const unsigned char *inend, *start;
- char *starto;
- register char *o;
- int lf = 0;
- guint32 flags;
-
- flags = ((CamelMimeFilterCanon *)f)->flags;
-
- /* first, work out how much space we need */
- inptr = in;
- inend = in+len;
- while (inptr < inend)
- if (*inptr++ == '\n')
- lf++;
-
- /* worst case, extra 3 chars per line
- "From \n" -> "=46rom \r\n"
- We add 1 extra incase we're called from complete, when we didn't end in \n */
-
- camel_mime_filter_set_size(f, len+lf*3+4, FALSE);
-
- o = f->outbuf;
- inptr = in;
- start = inptr;
- starto = o;
- while (inptr < inend) {
- /* first, check start of line, we always start at the start of the line */
- c = *inptr;
- if (flags & CAMEL_MIME_FILTER_CANON_FROM && c == 'F') {
- inptr++;
- if (inptr < inend-4) {
- if (strncmp(inptr, "rom ", 4) == 0) {
- *o++ = '=';
- *o++ = '4';
- *o++ = '6';
- } else
- *o++ = 'F';
- *o++ = *inptr++;
- *o++ = *inptr++;
- *o++ = *inptr++;
- *o++ = *inptr++;
- } else {
- break;
- }
- }
-
- /* now scan for end of line */
- while (inptr < inend) {
- c = *inptr++;
- if (c == '\n') {
- /* check to strip trailing space */
- if (flags & CAMEL_MIME_FILTER_CANON_STRIP) {
- while (o>starto && (o[-1] == ' ' || o[-1] == '\t' || o[-1]=='\r'))
- o--;
- }
- /* check end of line canonicalisation */
- if (o>starto) {
- if (flags & CAMEL_MIME_FILTER_CANON_CRLF) {
- if (o[-1] != '\r')
- *o++ = '\r';
- } else {
- if (o[-1] == '\r')
- o--;
- }
- } else if (flags & CAMEL_MIME_FILTER_CANON_CRLF) {
- /* empty line */
- *o++ = '\r';
- }
-
- *o++ = c;
- start = inptr;
- starto = o;
- break;
- } else
- *o++ = c;
- }
- }
-
- /* TODO: We should probably track if we end somewhere in the middle of a line,
- otherwise we potentially backup a full line, which could be large */
-
- /* we got to the end of the data without finding anything, backup to start and re-process next time around */
- camel_mime_filter_backup(f, start, inend - start);
-
- *out = f->outbuf;
- *outlen = starto - f->outbuf;
- *outprespace = f->outpre;
-}
-
-static void
-complete(CamelMimeFilter *f, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace)
-{
- unsigned char *inptr, *inend;
- char *o, *starto;
- guint32 flags;
-
- if (len)
- filter(f, in, len, prespace, out, outlen, outprespace);
-
- /* the data didn't contain an eol or was too short for "From ", we only need to check for "From" and add an eol */
- if (f->backlen) {
- inptr = (unsigned char *)f->backbuf;
- inend = (unsigned char *)f->backbuf + f->backlen;
- starto = o = *out + *outlen;
- flags = ((CamelMimeFilterCanon *)f)->flags;
-
- /* Check any embedded "From " */
- if (f->backlen >= 5
- && (flags & CAMEL_MIME_FILTER_CANON_FROM)
- && strcmp(inptr, "From ") == 0) {
- strcpy(o, "=46rom ");
- o += 7;
- inptr += 5;
- }
-
- /* copy the rest of it */
- while (inptr < inend)
- *o++ = *inptr++;
-
- /* check to strip trailing space */
- if (flags & CAMEL_MIME_FILTER_CANON_STRIP) {
- while (o>starto && (o[-1] == ' ' || o[-1] == '\t' || o[-1]=='\r'))
- o--;
- }
-
-#if 0
- /* Note: #if 0'd out because we do not want to add a
- * \r\n for PGP/MIME verification if it isn't there in
- * the original content stream */
-
- /* check end of line canonicalisation */
- if (o>starto) {
- if (flags & CAMEL_MIME_FILTER_CANON_CRLF) {
- if (o[-1] != '\r')
- *o++ = '\r';
- } else {
- if (o[-1] == '\r')
- o--;
- }
- }
-
- /* and always finish with an eol */
- *o++ = '\n';
-#endif
-
- *outlen = o - *out;
-
- f->backlen = 0;
- }
-}
-
-static void
-reset (CamelMimeFilter *f)
-{
- /* no-op */
-}
-
-CamelMimeFilter *
-camel_mime_filter_canon_new(guint32 flags)
-{
- CamelMimeFilterCanon *chomp = CAMEL_MIME_FILTER_CANON (camel_object_new (CAMEL_MIME_FILTER_CANON_TYPE));
-
- chomp->flags = flags;
-
- return (CamelMimeFilter *) chomp;
-}
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