1 files changed, 131 insertions, 0 deletions
diff --git a/g10/dearmor.c b/g10/dearmor.c
new file mode 100644
index 0000000..92239cc
--- /dev/null
+++ b/g10/dearmor.c
@@ -0,0 +1,131 @@
+/* dearmor.c - Armor utility
+ * Copyright (C) 1998, 1999, 2000, 2001 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "gpg.h"
+#include "../common/status.h"
+#include "../common/iobuf.h"
+#include "../common/util.h"
+#include "filter.h"
+#include "packet.h"
+#include "options.h"
+#include "main.h"
+#include "../common/i18n.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;
+
+    afx = new_armor_context ();
+
+    /* prepare iobufs */
+    inp = iobuf_open(fname);
+    if (inp && is_secured_file (iobuf_get_fd (inp)))
+      {
+        iobuf_close (inp);
+        inp = NULL;
+        gpg_err_set_errno (EPERM);
+      }
+    if (!inp) {
+        rc = gpg_error_from_syserror ();
+	log_error(_("can't open '%s': %s\n"), fname? fname: "[stdin]",
+					strerror(errno) );
+	goto leave;
+    }
+
+    push_armor_filter ( afx, inp );
+
+    if( (rc = open_outfile (-1, fname, 0, 0, &out)) )
+	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);
+    release_armor_context (afx);
+    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;
+
+    afx = new_armor_context ();
+
+    /* prepare iobufs */
+    inp = iobuf_open(fname);
+    if (inp && is_secured_file (iobuf_get_fd (inp)))
+      {
+        iobuf_close (inp);
+        inp = NULL;
+        gpg_err_set_errno (EPERM);
+      }
+    if (!inp) {
+        rc = gpg_error_from_syserror ();
+	log_error(_("can't open '%s': %s\n"), fname? fname: "[stdin]",
+                  strerror(errno) );
+	goto leave;
+    }
+
+
+    if( (rc = open_outfile (-1, fname, 1, 0, &out )) )
+	goto leave;
+
+    afx->what = 4;
+    afx->hdrlines = "Comment: Use \"gpg --dearmor\" for unpacking\n";
+    push_armor_filter ( afx, out );
+
+    while( (c = iobuf_get(inp)) != -1 )
+	iobuf_put( out, c );
+
+
+  leave:
+    if( rc )
+	iobuf_cancel(out);
+    else
+	iobuf_close(out);
+    iobuf_close(inp);
+    release_armor_context (afx);
+    return rc;
+}