diff options
Diffstat (limited to 'external/libcurl_android/jni/libcurl/lib/base64.c')
| -rwxr-xr-x | external/libcurl_android/jni/libcurl/lib/base64.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/external/libcurl_android/jni/libcurl/lib/base64.c b/external/libcurl_android/jni/libcurl/lib/base64.c deleted file mode 100755 index bd9ba35b..00000000 --- a/external/libcurl_android/jni/libcurl/lib/base64.c +++ /dev/null @@ -1,314 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at http://curl.haxx.se/docs/copyright.html. - * - * 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 COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ***************************************************************************/ - -/* Base64 encoding/decoding */ - -#include "curl_setup.h" - -#define _MPRINTF_REPLACE /* use our functions only */ -#include <curl/mprintf.h> - -#include "urldata.h" /* for the SessionHandle definition */ -#include "warnless.h" -#include "curl_base64.h" -#include "curl_memory.h" -#include "non-ascii.h" - -/* include memdebug.h last */ -#include "memdebug.h" - -/* ---- Base64 Encoding/Decoding Table --- */ -static const char base64[]= - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -/* The Base 64 encoding with an URL and filename safe alphabet, RFC 4648 - section 5 */ -static const char base64url[]= - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; - -static size_t decodeQuantum(unsigned char *dest, const char *src) -{ - size_t padding = 0; - const char *s, *p; - unsigned long i, v, x = 0; - - for(i = 0, s = src; i < 4; i++, s++) { - v = 0; - - if(*s == '=') { - x = (x << 6); - padding++; - } - else { - p = base64; - - while(*p && (*p != *s)) { - v++; - p++; - } - - if(*p == *s) - x = (x << 6) + v; - else - return 0; - } - } - - if(padding < 1) - dest[2] = curlx_ultouc(x & 0xFFUL); - - x >>= 8; - if(padding < 2) - dest[1] = curlx_ultouc(x & 0xFFUL); - - x >>= 8; - dest[0] = curlx_ultouc(x & 0xFFUL); - - return 3 - padding; -} - -/* - * Curl_base64_decode() - * - * Given a base64 NUL-terminated string at src, decode it and return a - * pointer in *outptr to a newly allocated memory area holding decoded - * data. Size of decoded data is returned in variable pointed by outlen. - * - * Returns CURLE_OK on success, otherwise specific error code. Function - * output shall not be considered valid unless CURLE_OK is returned. - * - * When decoded data length is 0, returns NULL in *outptr. - * - * @unittest: 1302 - */ -CURLcode Curl_base64_decode(const char *src, - unsigned char **outptr, size_t *outlen) -{ - size_t srclen = 0; - size_t length = 0; - size_t padding = 0; - size_t i; - size_t result; - size_t numQuantums; - size_t rawlen = 0; - unsigned char *pos; - unsigned char *newstr; - - *outptr = NULL; - *outlen = 0; - srclen = strlen(src); - - /* Check the length of the input string is valid */ - if(!srclen || srclen % 4) - return CURLE_BAD_CONTENT_ENCODING; - - /* Find the position of any = padding characters */ - while((src[length] != '=') && src[length]) - length++; - - /* A maximum of two = padding characters is allowed */ - if(src[length] == '=') { - padding++; - if(src[length + 1] == '=') - padding++; - } - - /* Check the = padding characters weren't part way through the input */ - if(length + padding != srclen) - return CURLE_BAD_CONTENT_ENCODING; - - /* Calculate the number of quantums */ - numQuantums = srclen / 4; - - /* Calculate the size of the decoded string */ - rawlen = (numQuantums * 3) - padding; - - /* Allocate our buffer including room for a zero terminator */ - newstr = malloc(rawlen + 1); - if(!newstr) - return CURLE_OUT_OF_MEMORY; - - pos = newstr; - - /* Decode the quantums */ - for(i = 0; i < numQuantums; i++) { - result = decodeQuantum(pos, src); - if(!result) { - Curl_safefree(newstr); - - return CURLE_BAD_CONTENT_ENCODING; - } - - pos += result; - src += 4; - } - - /* Zero terminate */ - *pos = '\0'; - - /* Return the decoded data */ - *outptr = newstr; - *outlen = rawlen; - - return CURLE_OK; -} - -static CURLcode base64_encode(const char *table64, - struct SessionHandle *data, - const char *inputbuff, size_t insize, - char **outptr, size_t *outlen) -{ - CURLcode error; - unsigned char ibuf[3]; - unsigned char obuf[4]; - int i; - int inputparts; - char *output; - char *base64data; - char *convbuf = NULL; - - const char *indata = inputbuff; - - *outptr = NULL; - *outlen = 0; - - if(0 == insize) - insize = strlen(indata); - - base64data = output = malloc(insize*4/3+4); - if(NULL == output) - return CURLE_OUT_OF_MEMORY; - - /* - * The base64 data needs to be created using the network encoding - * not the host encoding. And we can't change the actual input - * so we copy it to a buffer, translate it, and use that instead. - */ - error = Curl_convert_clone(data, indata, insize, &convbuf); - if(error) { - free(output); - return error; - } - - if(convbuf) - indata = (char *)convbuf; - - while(insize > 0) { - for(i = inputparts = 0; i < 3; i++) { - if(insize > 0) { - inputparts++; - ibuf[i] = (unsigned char) *indata; - indata++; - insize--; - } - else - ibuf[i] = 0; - } - - obuf[0] = (unsigned char) ((ibuf[0] & 0xFC) >> 2); - obuf[1] = (unsigned char) (((ibuf[0] & 0x03) << 4) | \ - ((ibuf[1] & 0xF0) >> 4)); - obuf[2] = (unsigned char) (((ibuf[1] & 0x0F) << 2) | \ - ((ibuf[2] & 0xC0) >> 6)); - obuf[3] = (unsigned char) (ibuf[2] & 0x3F); - - switch(inputparts) { - case 1: /* only one byte read */ - snprintf(output, 5, "%c%c==", - table64[obuf[0]], - table64[obuf[1]]); - break; - case 2: /* two bytes read */ - snprintf(output, 5, "%c%c%c=", - table64[obuf[0]], - table64[obuf[1]], - table64[obuf[2]]); - break; - default: - snprintf(output, 5, "%c%c%c%c", - table64[obuf[0]], - table64[obuf[1]], - table64[obuf[2]], - table64[obuf[3]] ); - break; - } - output += 4; - } - *output = '\0'; - *outptr = base64data; /* return pointer to new data, allocated memory */ - - if(convbuf) - free(convbuf); - - *outlen = strlen(base64data); /* return the length of the new data */ - - return CURLE_OK; -} - -/* - * Curl_base64_encode() - * - * Given a pointer to an input buffer and an input size, encode it and - * return a pointer in *outptr to a newly allocated memory area holding - * encoded data. Size of encoded data is returned in variable pointed by - * outlen. - * - * Input length of 0 indicates input buffer holds a NUL-terminated string. - * - * Returns CURLE_OK on success, otherwise specific error code. Function - * output shall not be considered valid unless CURLE_OK is returned. - * - * When encoded data length is 0, returns NULL in *outptr. - * - * @unittest: 1302 - */ -CURLcode Curl_base64_encode(struct SessionHandle *data, - const char *inputbuff, size_t insize, - char **outptr, size_t *outlen) -{ - return base64_encode(base64, data, inputbuff, insize, outptr, outlen); -} - -/* - * Curl_base64url_encode() - * - * Given a pointer to an input buffer and an input size, encode it and - * return a pointer in *outptr to a newly allocated memory area holding - * encoded data. Size of encoded data is returned in variable pointed by - * outlen. - * - * Input length of 0 indicates input buffer holds a NUL-terminated string. - * - * Returns CURLE_OK on success, otherwise specific error code. Function - * output shall not be considered valid unless CURLE_OK is returned. - * - * When encoded data length is 0, returns NULL in *outptr. - * - * @unittest: 1302 - */ -CURLcode Curl_base64url_encode(struct SessionHandle *data, - const char *inputbuff, size_t insize, - char **outptr, size_t *outlen) -{ - return base64_encode(base64url, data, inputbuff, insize, outptr, outlen); -} -/* ---- End of Base64 Encoding ---- */ |