Initial commit of openssh-5.9p1
Change-Id: I991b8d22c9904ed6ced33a096776f4f342af52a8
Signed-off-by: Mike Lockwood <lockwood@google.com>
diff --git a/uuencode.c b/uuencode.c
new file mode 100644
index 0000000..09d80d2
--- /dev/null
+++ b/uuencode.c
@@ -0,0 +1,94 @@
+/* $OpenBSD: uuencode.c,v 1.26 2010/08/31 11:54:45 djm Exp $ */
+/*
+ * Copyright (c) 2000 Markus Friedl. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <resolv.h>
+#include <stdio.h>
+
+#include "xmalloc.h"
+#include "uuencode.h"
+
+/*
+ * Encode binary 'src' of length 'srclength', writing base64-encoded text
+ * to 'target' of size 'targsize'. Will always nul-terminate 'target'.
+ * Returns the number of bytes stored in 'target' or -1 on error (inc.
+ * 'targsize' too small).
+ */
+int
+uuencode(const u_char *src, u_int srclength,
+ char *target, size_t targsize)
+{
+ return __b64_ntop(src, srclength, target, targsize);
+}
+
+/*
+ * Decode base64-encoded 'src' into buffer 'target' of 'targsize' bytes.
+ * Will skip leading and trailing whitespace. Returns the number of bytes
+ * stored in 'target' or -1 on error (inc. targsize too small).
+ */
+int
+uudecode(const char *src, u_char *target, size_t targsize)
+{
+ int len;
+ char *encoded, *p;
+
+ /* copy the 'readonly' source */
+ encoded = xstrdup(src);
+ /* skip whitespace and data */
+ for (p = encoded; *p == ' ' || *p == '\t'; p++)
+ ;
+ for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
+ ;
+ /* and remove trailing whitespace because __b64_pton needs this */
+ *p = '\0';
+ len = __b64_pton(encoded, target, targsize);
+ xfree(encoded);
+ return len;
+}
+
+void
+dump_base64(FILE *fp, const u_char *data, u_int len)
+{
+ char *buf;
+ int i, n;
+
+ if (len > 65536) {
+ fprintf(fp, "dump_base64: len > 65536\n");
+ return;
+ }
+ buf = xmalloc(2*len);
+ n = uuencode(data, len, buf, 2*len);
+ for (i = 0; i < n; i++) {
+ fprintf(fp, "%c", buf[i]);
+ if (i % 70 == 69)
+ fprintf(fp, "\n");
+ }
+ if (i % 70 != 69)
+ fprintf(fp, "\n");
+ xfree(buf);
+}