From 7a05ad0166ac11d4206d934825728b56a58d8edd Mon Sep 17 00:00:00 2001
From: Thomas Guyot-Sionnest <dermoth@users.sourceforge.net>
Date: Fri, 9 Nov 2007 21:17:03 +0000
Subject: Moved base64 function to /lib.

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1817 f882894a-f735-0410-b71e-b25c423dba1c
---
 lib/Makefile.am |  4 ++--
 lib/base64.c    | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/base64.h    |  4 ++++
 3 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 lib/base64.c
 create mode 100644 lib/base64.h

(limited to 'lib')

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 9dd3a0c2..1b309846 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -5,8 +5,8 @@ SUBDIRS = tests
 noinst_LIBRARIES = libnagiosplug.a
 
 
-libnagiosplug_a_SOURCES = utils_base.c utils_disk.c utils_tcp.c utils_cmd.c
-EXTRA_DIST = utils_base.h utils_disk.h utils_tcp.h utils_cmd.h
+libnagiosplug_a_SOURCES = utils_base.c utils_disk.c utils_tcp.c utils_cmd.c base64.c
+EXTRA_DIST = utils_base.h utils_disk.h utils_tcp.h utils_cmd.h base64.h
 
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/gl -I$(top_srcdir)/intl -I$(top_srcdir)/plugins
 
diff --git a/lib/base64.c b/lib/base64.c
new file mode 100644
index 00000000..1f1fcb8c
--- /dev/null
+++ b/lib/base64.c
@@ -0,0 +1,50 @@
+/****************************************************************************
+* Function to encode in Base64
+*
+* Written by Lauri Alanko
+*
+*****************************************************************************/
+
+#include "common.h"
+#include "base64.h"
+
+char *
+base64 (const char *bin, size_t len)
+{
+
+	char *buf = (char *) malloc ((len + 2) / 3 * 4 + 1);
+	size_t i = 0, j = 0;
+
+	char BASE64_END = '=';
+	char base64_table[64];
+	strncpy (base64_table, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", 64);
+
+	while (j < len - 2) {
+		buf[i++] = base64_table[bin[j] >> 2];
+		buf[i++] = base64_table[((bin[j] & 3) << 4) | (bin[j + 1] >> 4)];
+		buf[i++] = base64_table[((bin[j + 1] & 15) << 2) | (bin[j + 2] >> 6)];
+		buf[i++] = base64_table[bin[j + 2] & 63];
+		j += 3;
+	}
+
+	switch (len - j) {
+	case 1:
+		buf[i++] = base64_table[bin[j] >> 2];
+		buf[i++] = base64_table[(bin[j] & 3) << 4];
+		buf[i++] = BASE64_END;
+		buf[i++] = BASE64_END;
+		break;
+	case 2:
+		buf[i++] = base64_table[bin[j] >> 2];
+		buf[i++] = base64_table[((bin[j] & 3) << 4) | (bin[j + 1] >> 4)];
+		buf[i++] = base64_table[(bin[j + 1] & 15) << 2];
+		buf[i++] = BASE64_END;
+		break;
+	case 0:
+		break;
+	}
+
+	buf[i] = '\0';
+	return buf;
+}
+
diff --git a/lib/base64.h b/lib/base64.h
new file mode 100644
index 00000000..1e0a0b04
--- /dev/null
+++ b/lib/base64.h
@@ -0,0 +1,4 @@
+/* Header file for base64.c */
+
+char *base64 (const char *bin, size_t len);
+
-- 
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