diff options
Diffstat (limited to 'c/src/libnetworking/rtems_webserver/wbase64.c')
-rw-r--r-- | c/src/libnetworking/rtems_webserver/wbase64.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/c/src/libnetworking/rtems_webserver/wbase64.c b/c/src/libnetworking/rtems_webserver/wbase64.c deleted file mode 100644 index 87659eeb6a..0000000000 --- a/c/src/libnetworking/rtems_webserver/wbase64.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * base64.c -- Base64 Mime encoding - * - * Copyright (c) GoAhead Software Inc., 1995-2000. All Rights Reserved. - * - * See the file "license.txt" for usage and redistribution license requirements - * - * $Id$ - */ - -/******************************** Description *********************************/ - -/* - * The base64 command encodes and decodes a string in mime base64 format - */ - -/********************************* Includes ***********************************/ - -#include "wsIntrn.h" - -/******************************** Local Data **********************************/ -/* - * Mapping of ANSI chars to base64 Mime encoding alphabet (see below) - */ - -static char_t map64[] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, - -1, 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, -1, -1, -1, -1, -1, - -1, 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, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -}; - -static char_t alphabet64[] = { - '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', '+', '/', -}; - -/*********************************** Code *************************************/ -/* - * Decode a buffer from "string" and into "outbuf" - */ - -int websDecode64(char_t *outbuf, char_t *string, int outlen) -{ - unsigned long shiftbuf; - char_t *cp, *op; - int c, i, j, shift; - - op = outbuf; - *op = '\0'; - cp = string; - while (*cp && *cp != '=') { -/* - * Map 4 (6bit) input bytes and store in a single long (shiftbuf) - */ - shiftbuf = 0; - shift = 18; - for (i = 0; i < 4 && *cp && *cp != '='; i++, cp++) { - c = map64[*cp & 0xff]; - if (c == -1) { - error(E_L, E_LOG, T("Bad string: %s at %c index %d"), string, - c, i); - return -1; - } - shiftbuf = shiftbuf | (c << shift); - shift -= 6; - } -/* - * Interpret as 3 normal 8 bit bytes (fill in reverse order). - * Check for potential buffer overflow before filling. - */ - --i; - if ((op + i) >= &outbuf[outlen]) { - gstrcpy(outbuf, T("String too big")); - return -1; - } - for (j = 0; j < i; j++) { - *op++ = (char_t) ((shiftbuf >> (8 * (2 - j))) & 0xff); - } - *op = '\0'; - } - return 0; -} - - -/******************************************************************************/ -/* - * Encode a buffer from "string" into "outbuf" - */ - -void websEncode64(char_t *outbuf, char_t *string, int outlen) -{ - unsigned long shiftbuf; - char_t *cp, *op; - int x, i, j, shift; - - op = outbuf; - *op = '\0'; - cp = string; - while (*cp) { -/* - * Take three characters and create a 24 bit number in shiftbuf - */ - shiftbuf = 0; - for (j = 2; j >= 0 && *cp; j--, cp++) { - shiftbuf |= ((*cp & 0xff) << (j * 8)); - } -/* - * Now convert shiftbuf to 4 base64 letters. The i,j magic calculates - * how many letters need to be output. - */ - shift = 18; - for (i = ++j; i < 4 && op < &outbuf[outlen] ; i++) { - x = (shiftbuf >> shift) & 0x3f; - *op++ = alphabet64[(shiftbuf >> shift) & 0x3f]; - shift -= 6; - } -/* - * Pad at the end with '=' - */ - while (j-- > 0) { - *op++ = '='; - } - *op = '\0'; - } -} -/******************************************************************************/ |