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authorWerner Koch <wk@gnupg.org>1998-04-20 17:58:36 +0200
committerWerner Koch <wk@gnupg.org>1998-04-20 17:58:36 +0200
commita20037b7d47d21ca8c2ef31e6889da76aea2ced8 (patch)
tree6e72ae51f91883ca39e824a61ed48fe431e34b41 /g10/dearmor.c
parent*** empty log message *** (diff)
downloadgnupg2-a20037b7d47d21ca8c2ef31e6889da76aea2ced8.tar.xz
gnupg2-a20037b7d47d21ca8c2ef31e6889da76aea2ced8.zip
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Diffstat (limited to 'g10/dearmor.c')
-rw-r--r--g10/dearmor.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/g10/dearmor.c b/g10/dearmor.c
new file mode 100644
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--- /dev/null
+++ b/g10/dearmor.c
@@ -0,0 +1,125 @@
+/* dearmor.c - Armor utility
+ * Copyright (C) 1998 Free Software Foundation, Inc.
+ *
+ * This file is part of GNUPG.
+ *
+ * GNUPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GNUPG 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
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "errors.h"
+#include "iobuf.h"
+#include "memory.h"
+#include "util.h"
+#include "filter.h"
+#include "packet.h"
+#include "options.h"
+#include "main.h"
+
+
+/****************
+ * Take an armor file and write it out without armor
+ */
+int
+dearmor_file( const char *fname )
+{
+ armor_filter_context_t afx;
+ IOBUF inp = NULL, out = NULL;
+ int rc = 0;
+ int c;
+
+ memset( &afx, 0, sizeof afx);
+
+ /* prepare iobufs */
+ if( !(inp = iobuf_open(fname)) ) {
+ log_error("can't open %s: %s\n", fname? fname: "[stdin]",
+ strerror(errno) );
+ rc = G10ERR_OPEN_FILE;
+ goto leave;
+ }
+
+ iobuf_push_filter( inp, armor_filter, &afx );
+
+ if( !(out = open_outfile( fname, 0 )) ) {
+ rc = G10ERR_CREATE_FILE;
+ goto leave;
+ }
+
+
+ while( (c = iobuf_get(inp)) != -1 )
+ iobuf_put( out, c );
+
+
+ leave:
+ if( rc )
+ iobuf_cancel(out);
+ else
+ iobuf_close(out);
+ iobuf_close(inp);
+ return rc;
+}
+
+
+/****************
+ * Take file and write it out with armor
+ */
+int
+enarmor_file( const char *fname )
+{
+ armor_filter_context_t afx;
+ IOBUF inp = NULL, out = NULL;
+ int rc = 0;
+ int c;
+
+ memset( &afx, 0, sizeof afx);
+
+ /* prepare iobufs */
+ if( !(inp = iobuf_open(fname)) ) {
+ log_error("can't open %s: %s\n", fname? fname: "[stdin]",
+ strerror(errno) );
+ rc = G10ERR_OPEN_FILE;
+ goto leave;
+ }
+
+
+ if( !(out = open_outfile( fname, 1 )) ) {
+ rc = G10ERR_CREATE_FILE;
+ goto leave;
+ }
+
+ afx.what = 4;
+ afx.hdrlines = "Comment: Use \"gpgm --dearmor\" for unpacking\n";
+ iobuf_push_filter( out, armor_filter, &afx );
+
+ while( (c = iobuf_get(inp)) != -1 )
+ iobuf_put( out, c );
+
+
+ leave:
+ if( rc )
+ iobuf_cancel(out);
+ else
+ iobuf_close(out);
+ iobuf_close(inp);
+ return rc;
+}
+
+