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authorAdam Harrison <adamdharrison@gmail.com>2023-07-06 06:37:41 -0400
committerAdam Harrison <adamdharrison@gmail.com>2023-07-06 06:37:41 -0400
commit9db10386430479067795bec66bb26343ff176ded (patch)
tree5ad0cf95abde7cf03afaf8f70af8549d46b09a46 /lib/mbedtls-2.27.0/library/base64.c
parent57092d80cb07fa1a84873769fa92165426196054 (diff)
downloadlite-xl-plugin-manager-9db10386430479067795bec66bb26343ff176ded.tar.gz
lite-xl-plugin-manager-9db10386430479067795bec66bb26343ff176ded.zip
Removed old mbedtls, replacing with submodule.
Diffstat (limited to 'lib/mbedtls-2.27.0/library/base64.c')
-rw-r--r--lib/mbedtls-2.27.0/library/base64.c396
1 files changed, 0 insertions, 396 deletions
diff --git a/lib/mbedtls-2.27.0/library/base64.c b/lib/mbedtls-2.27.0/library/base64.c
deleted file mode 100644
index 1a05226..0000000
--- a/lib/mbedtls-2.27.0/library/base64.c
+++ /dev/null
@@ -1,396 +0,0 @@
-/*
- * RFC 1521 base64 encoding/decoding
- *
- * Copyright The Mbed TLS Contributors
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "common.h"
-
-#if defined(MBEDTLS_BASE64_C)
-
-#include "mbedtls/base64.h"
-
-#include <stdint.h>
-
-#if defined(MBEDTLS_SELF_TEST)
-#include <string.h>
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
-#endif /* MBEDTLS_SELF_TEST */
-
-static const unsigned char base64_enc_map[64] =
-{
- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
- 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
- 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
- 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
- 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
- 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', '+', '/'
-};
-
-static const unsigned char base64_dec_map[128] =
-{
- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
- 127, 127, 127, 62, 127, 127, 127, 63, 52, 53,
- 54, 55, 56, 57, 58, 59, 60, 61, 127, 127,
- 127, 64, 127, 127, 127, 0, 1, 2, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 127, 127, 127, 127, 127, 127, 26, 27, 28,
- 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
- 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 51, 127, 127, 127, 127, 127
-};
-
-#define BASE64_SIZE_T_MAX ( (size_t) -1 ) /* SIZE_T_MAX is not standard */
-
-/*
- * Constant flow conditional assignment to unsigned char
- */
-static void mbedtls_base64_cond_assign_uchar( unsigned char * dest, const unsigned char * const src,
- unsigned char condition )
-{
- /* MSVC has a warning about unary minus on unsigned integer types,
- * but this is well-defined and precisely what we want to do here. */
-#if defined(_MSC_VER)
-#pragma warning( push )
-#pragma warning( disable : 4146 )
-#endif
-
- /* Generate bitmask from condition, mask will either be 0xFF or 0 */
- unsigned char mask = ( condition | -condition );
- mask >>= 7;
- mask = -mask;
-
-#if defined(_MSC_VER)
-#pragma warning( pop )
-#endif
-
- *dest = ( ( *src ) & mask ) | ( ( *dest ) & ~mask );
-}
-
-/*
- * Constant flow conditional assignment to uint_32
- */
-static void mbedtls_base64_cond_assign_uint32( uint32_t * dest, const uint32_t src,
- uint32_t condition )
-{
- /* MSVC has a warning about unary minus on unsigned integer types,
- * but this is well-defined and precisely what we want to do here. */
-#if defined(_MSC_VER)
-#pragma warning( push )
-#pragma warning( disable : 4146 )
-#endif
-
- /* Generate bitmask from condition, mask will either be 0xFFFFFFFF or 0 */
- uint32_t mask = ( condition | -condition );
- mask >>= 31;
- mask = -mask;
-
-#if defined(_MSC_VER)
-#pragma warning( pop )
-#endif
-
- *dest = ( src & mask ) | ( ( *dest ) & ~mask );
-}
-
-/*
- * Constant flow check for equality
- */
-static unsigned char mbedtls_base64_eq( size_t in_a, size_t in_b )
-{
- size_t difference = in_a ^ in_b;
-
- /* MSVC has a warning about unary minus on unsigned integer types,
- * but this is well-defined and precisely what we want to do here. */
-#if defined(_MSC_VER)
-#pragma warning( push )
-#pragma warning( disable : 4146 )
-#endif
-
- difference |= -difference;
-
-#if defined(_MSC_VER)
-#pragma warning( pop )
-#endif
-
- /* cope with the varying size of size_t per platform */
- difference >>= ( sizeof( difference ) * 8 - 1 );
-
- return (unsigned char) ( 1 ^ difference );
-}
-
-/*
- * Constant flow lookup into table.
- */
-static unsigned char mbedtls_base64_table_lookup( const unsigned char * const table,
- const size_t table_size, const size_t table_index )
-{
- size_t i;
- unsigned char result = 0;
-
- for( i = 0; i < table_size; ++i )
- {
- mbedtls_base64_cond_assign_uchar( &result, &table[i], mbedtls_base64_eq( i, table_index ) );
- }
-
- return result;
-}
-
-/*
- * Encode a buffer into base64 format
- */
-int mbedtls_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
- const unsigned char *src, size_t slen )
-{
- size_t i, n;
- int C1, C2, C3;
- unsigned char *p;
-
- if( slen == 0 )
- {
- *olen = 0;
- return( 0 );
- }
-
- n = slen / 3 + ( slen % 3 != 0 );
-
- if( n > ( BASE64_SIZE_T_MAX - 1 ) / 4 )
- {
- *olen = BASE64_SIZE_T_MAX;
- return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
- }
-
- n *= 4;
-
- if( ( dlen < n + 1 ) || ( NULL == dst ) )
- {
- *olen = n + 1;
- return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
- }
-
- n = ( slen / 3 ) * 3;
-
- for( i = 0, p = dst; i < n; i += 3 )
- {
- C1 = *src++;
- C2 = *src++;
- C3 = *src++;
-
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( ( C1 >> 2 ) & 0x3F ) );
-
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( ( ( ( C1 & 3 ) << 4 ) + ( C2 >> 4 ) ) & 0x3F ) );
-
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( ( ( ( C2 & 15 ) << 2 ) + ( C3 >> 6 ) ) & 0x3F ) );
-
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( C3 & 0x3F ) );
- }
-
- if( i < slen )
- {
- C1 = *src++;
- C2 = ( ( i + 1 ) < slen ) ? *src++ : 0;
-
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( ( C1 >> 2 ) & 0x3F ) );
-
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( ( ( ( C1 & 3 ) << 4 ) + ( C2 >> 4 ) ) & 0x3F ) );
-
- if( ( i + 1 ) < slen )
- *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
- ( ( ( C2 & 15 ) << 2 ) & 0x3F ) );
- else *p++ = '=';
-
- *p++ = '=';
- }
-
- *olen = p - dst;
- *p = 0;
-
- return( 0 );
-}
-
-/*
- * Decode a base64-formatted buffer
- */
-int mbedtls_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
- const unsigned char *src, size_t slen )
-{
- size_t i, n;
- uint32_t j, x;
- unsigned char *p;
- unsigned char dec_map_lookup;
-
- /* First pass: check for validity and get output length */
- for( i = n = j = 0; i < slen; i++ )
- {
- /* Skip spaces before checking for EOL */
- x = 0;
- while( i < slen && src[i] == ' ' )
- {
- ++i;
- ++x;
- }
-
- /* Spaces at end of buffer are OK */
- if( i == slen )
- break;
-
- if( ( slen - i ) >= 2 &&
- src[i] == '\r' && src[i + 1] == '\n' )
- continue;
-
- if( src[i] == '\n' )
- continue;
-
- /* Space inside a line is an error */
- if( x != 0 )
- return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
-
- if( src[i] == '=' && ++j > 2 )
- return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
-
- dec_map_lookup = mbedtls_base64_table_lookup( base64_dec_map, sizeof( base64_dec_map ), src[i] );
-
- if( src[i] > 127 || dec_map_lookup == 127 )
- return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
-
- if( dec_map_lookup < 64 && j != 0 )
- return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
-
- n++;
- }
-
- if( n == 0 )
- {
- *olen = 0;
- return( 0 );
- }
-
- /* The following expression is to calculate the following formula without
- * risk of integer overflow in n:
- * n = ( ( n * 6 ) + 7 ) >> 3;
- */
- n = ( 6 * ( n >> 3 ) ) + ( ( 6 * ( n & 0x7 ) + 7 ) >> 3 );
- n -= j;
-
- if( dst == NULL || dlen < n )
- {
- *olen = n;
- return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
- }
-
- for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ )
- {
- if( *src == '\r' || *src == '\n' || *src == ' ' )
- continue;
-
- dec_map_lookup = mbedtls_base64_table_lookup( base64_dec_map, sizeof( base64_dec_map ), *src );
-
- mbedtls_base64_cond_assign_uint32( &j, j - 1, mbedtls_base64_eq( dec_map_lookup, 64 ) );
- x = ( x << 6 ) | ( dec_map_lookup & 0x3F );
-
- if( ++n == 4 )
- {
- n = 0;
- if( j > 0 ) *p++ = (unsigned char)( x >> 16 );
- if( j > 1 ) *p++ = (unsigned char)( x >> 8 );
- if( j > 2 ) *p++ = (unsigned char)( x );
- }
- }
-
- *olen = p - dst;
-
- return( 0 );
-}
-
-#if defined(MBEDTLS_SELF_TEST)
-
-static const unsigned char base64_test_dec[64] =
-{
- 0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD,
- 0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01,
- 0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09,
- 0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13,
- 0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31,
- 0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38,
- 0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B,
- 0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97
-};
-
-static const unsigned char base64_test_enc[] =
- "JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK"
- "swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";
-
-/*
- * Checkup routine
- */
-int mbedtls_base64_self_test( int verbose )
-{
- size_t len;
- const unsigned char *src;
- unsigned char buffer[128];
-
- if( verbose != 0 )
- mbedtls_printf( " Base64 encoding test: " );
-
- src = base64_test_dec;
-
- if( mbedtls_base64_encode( buffer, sizeof( buffer ), &len, src, 64 ) != 0 ||
- memcmp( base64_test_enc, buffer, 88 ) != 0 )
- {
- if( verbose != 0 )
- mbedtls_printf( "failed\n" );
-
- return( 1 );
- }
-
- if( verbose != 0 )
- mbedtls_printf( "passed\n Base64 decoding test: " );
-
- src = base64_test_enc;
-
- if( mbedtls_base64_decode( buffer, sizeof( buffer ), &len, src, 88 ) != 0 ||
- memcmp( base64_test_dec, buffer, 64 ) != 0 )
- {
- if( verbose != 0 )
- mbedtls_printf( "failed\n" );
-
- return( 1 );
- }
-
- if( verbose != 0 )
- mbedtls_printf( "passed\n\n" );
-
- return( 0 );
-}
-
-#endif /* MBEDTLS_SELF_TEST */
-
-#endif /* MBEDTLS_BASE64_C */