From ca67b09c015d4af3ae3cce12aa72e60941dbb8b5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:52 +0200 Subject: Adding debian version 2.06-13+deb12u1. Signed-off-by: Daniel Baumann --- debian/grub-extras/disabled/gpxe/src/core/base64.c | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 debian/grub-extras/disabled/gpxe/src/core/base64.c (limited to 'debian/grub-extras/disabled/gpxe/src/core/base64.c') diff --git a/debian/grub-extras/disabled/gpxe/src/core/base64.c b/debian/grub-extras/disabled/gpxe/src/core/base64.c new file mode 100644 index 0000000..5619ef7 --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/src/core/base64.c @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2009 Michael Brown . + * + * This program 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 any later version. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include +#include +#include +#include + +/** @file + * + * Base64 encoding + * + */ + +static const char base64[64] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +/** + * Base64-encode a string + * + * @v raw Raw string + * @v encoded Buffer for encoded string + * + * The buffer must be the correct length for the encoded string. Use + * something like + * + * char buf[ base64_encoded_len ( strlen ( raw ) ) + 1 ]; + * + * (the +1 is for the terminating NUL) to provide a buffer of the + * correct size. + */ +void base64_encode ( const char *raw, char *encoded ) { + const uint8_t *raw_bytes = ( ( const uint8_t * ) raw ); + uint8_t *encoded_bytes = ( ( uint8_t * ) encoded ); + size_t raw_bit_len = ( 8 * strlen ( raw ) ); + unsigned int bit; + unsigned int tmp; + + for ( bit = 0 ; bit < raw_bit_len ; bit += 6 ) { + tmp = ( ( raw_bytes[ bit / 8 ] << ( bit % 8 ) ) | + ( raw_bytes[ bit / 8 + 1 ] >> ( 8 - ( bit % 8 ) ) ) ); + tmp = ( ( tmp >> 2 ) & 0x3f ); + *(encoded_bytes++) = base64[tmp]; + } + for ( ; ( bit % 8 ) != 0 ; bit += 6 ) + *(encoded_bytes++) = '='; + *(encoded_bytes++) = '\0'; + + DBG ( "Base64-encoded \"%s\" as \"%s\"\n", raw, encoded ); + assert ( strlen ( encoded ) == base64_encoded_len ( strlen ( raw ) ) ); +} -- cgit v1.2.3