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Diffstat (limited to 'Build/source/libs/curl/lib/base64.c')
-rw-r--r-- | Build/source/libs/curl/lib/base64.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/Build/source/libs/curl/lib/base64.c b/Build/source/libs/curl/lib/base64.c deleted file mode 100644 index 07685f2df8b..00000000000 --- a/Build/source/libs/curl/lib/base64.c +++ /dev/null @@ -1,270 +0,0 @@ -/***************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 2001, Andrew Francis and Daniel Stenberg - * - * In order to be useful for every potential user, curl and libcurl are - * dual-licensed under the MPL and the MIT/X-derivate licenses. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the MPL or the MIT/X-derivate - * licenses. You may pick one of these licenses. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - * $Id: base64.c,v 1.12 2001/10/11 09:32:19 bumblebury Exp $ - *****************************************************************************/ - -/* Base64 encoding/decoding - * - * Test harnesses down the bottom - compile with -DTEST_ENCODE for - * a program that will read in raw data from stdin and write out - * a base64-encoded version to stdout, and the length returned by the - * encoding function to stderr. Compile with -DTEST_DECODE for a program that - * will go the other way. - * - * This code will break if int is smaller than 32 bits - */ - -#include "setup.h" - -#include <stdlib.h> -#include <string.h> - -#define _MPRINTF_REPLACE /* use our functions only */ -#include <curl/mprintf.h> - -#include "base64.h" - -#ifdef MALLOCDEBUG -#include "memdebug.h" -#endif - -static void decodeQuantum(unsigned char *dest, char *src) -{ - unsigned int x = 0; - int i; - for(i = 0; i < 4; i++) { - if(src[i] >= 'A' && src[i] <= 'Z') - x = (x << 6) + (unsigned int)(src[i] - 'A' + 0); - else if(src[i] >= 'a' && src[i] <= 'z') - x = (x << 6) + (unsigned int)(src[i] - 'a' + 26); - else if(src[i] >= '0' && src[i] <= '9') - x = (x << 6) + (unsigned int)(src[i] - '0' + 52); - else if(src[i] == '+') - x = (x << 6) + 62; - else if(src[i] == '/') - x = (x << 6) + 63; - } - - dest[2] = (unsigned char)(x & 255); x >>= 8; - dest[1] = (unsigned char)(x & 255); x >>= 8; - dest[0] = (unsigned char)(x & 255); x >>= 8; -} - -/* base64Decode - * Given a base64 string at src, decode it into the memory pointed - * to by dest. If rawLength points to a valid address (ie not NULL), - * store the length of the decoded data to it. - */ -static void base64Decode(unsigned char *dest, char *src, int *rawLength) -{ - int length = 0; - int equalsTerm = 0; - int i; - unsigned char lastQuantum[3]; - - while((src[length] != '=') && src[length]) - length++; - while(src[length+equalsTerm] == '=') - equalsTerm++; - - if(rawLength) - *rawLength = (length * 3 / 4) - equalsTerm; - - for(i = 0; i < length/4 - 1; i++) { - decodeQuantum(dest, src); - dest += 3; src += 4; - } - - decodeQuantum(lastQuantum, src); - for(i = 0; i < 3 - equalsTerm; i++) dest[i] = lastQuantum[i]; - -} - -/* ---- Base64 Encoding --- */ -static char table64[]= - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -/* - * Curl_base64_encode() - * - * Returns the length of the newly created base64 string. The third argument - * is a pointer to an allocated area holding the base64 data. If something - * went wrong, -1 is returned. - * - */ -int Curl_base64_encode(const void *inp, int insize, char **outptr) -{ - unsigned char ibuf[3]; - unsigned char obuf[4]; - int i; - int inputparts; - char *output; - char *base64data; - - char *indata = (char *)inp; - - if(0 == insize) - insize = strlen(indata); - - base64data = output = (char*)malloc(insize*4/3+4); - if(NULL == output) - return -1; - - while(insize > 0) { - for (i = inputparts = 0; i < 3; i++) { - if(*indata) { - inputparts++; - ibuf[i] = *indata; - indata++; - insize--; - } - else - ibuf[i] = 0; - } - - obuf [0] = (ibuf [0] & 0xFC) >> 2; - obuf [1] = ((ibuf [0] & 0x03) << 4) | ((ibuf [1] & 0xF0) >> 4); - obuf [2] = ((ibuf [1] & 0x0F) << 2) | ((ibuf [2] & 0xC0) >> 6); - obuf [3] = ibuf [2] & 0x3F; - - switch(inputparts) { - case 1: /* only one byte read */ - sprintf(output, "%c%c==", - table64[obuf[0]], - table64[obuf[1]]); - break; - case 2: /* two bytes read */ - sprintf(output, "%c%c%c=", - table64[obuf[0]], - table64[obuf[1]], - table64[obuf[2]]); - break; - default: - sprintf(output, "%c%c%c%c", - table64[obuf[0]], - table64[obuf[1]], - table64[obuf[2]], - table64[obuf[3]] ); - break; - } - output += 4; - } - *output=0; - *outptr = base64data; /* make it return the actual data memory */ - - return strlen(base64data); /* return the length of the new data */ -} -/* ---- End of Base64 Encoding ---- */ - -int Curl_base64_decode(const char *str, void *data) -{ - int ret; - - base64Decode((unsigned char *)data, (char *)str, &ret); - return ret; -} - -/************* TEST HARNESS STUFF ****************/ - - -#ifdef TEST_ENCODE -/* encoding test harness. Read in standard input and write out the length - * returned by Curl_base64_encode, followed by the base64'd data itself - */ -#include <stdio.h> - -#define TEST_NEED_SUCK -void *suck(int *); - -int main(int argc, char **argv, char **envp) { - char *base64; - int base64Len; - unsigned char *data; - int dataLen; - - data = (unsigned char *)suck(&dataLen); - base64Len = Curl_base64_encode(data, dataLen, &base64); - - fprintf(stderr, "%d\n", base64Len); - fprintf(stdout, "%s", base64); - - free(base64); free(data); - return 0; -} -#endif - -#ifdef TEST_DECODE -/* decoding test harness. Read in a base64 string from stdin and write out the - * length returned by Curl_base64_decode, followed by the decoded data itself - */ -#include <stdio.h> - -#define TEST_NEED_SUCK -void *suck(int *); - -int main(int argc, char **argv, char **envp) { - char *base64; - int base64Len; - unsigned char *data; - int dataLen; - - base64 = (char *)suck(&base64Len); - data = (unsigned char *)malloc(base64Len * 3/4 + 8); - dataLen = Curl_base64_decode(base64, data); - - fprintf(stderr, "%d\n", dataLen); - fwrite(data,1,dataLen,stdout); - - - free(base64); free(data); - return 0; -} -#endif - -#ifdef TEST_NEED_SUCK -/* this function 'sucks' in as much as possible from stdin */ -void *suck(int *lenptr) { - int cursize = 8192; - unsigned char *buf = NULL; - int lastread; - int len = 0; - - do { - cursize *= 2; - buf = (unsigned char *)realloc(buf, cursize); - memset(buf + len, 0, cursize - len); - lastread = fread(buf + len, 1, cursize - len, stdin); - len += lastread; - } while(!feof(stdin)); - - lenptr[0] = len; - return (void *)buf; -} -#endif - - -/* - * local variables: - * eval: (load-file "../curl-mode.el") - * end: - * vim600: fdm=marker - * vim: et sw=2 ts=2 sts=2 tw=78 - */ |