mirror of
https://github.com/moparisthebest/curl
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5b6e7927c6
93 lib/*.c source files renamed to use our standard naming scheme. This commit only does the file renaming. ---------------------------------------- renamed: lib/amigaos.c -> lib/curl_amigaos.c renamed: lib/asyn-ares.c -> lib/curl_asyn_ares.c renamed: lib/asyn-thread.c -> lib/curl_asyn_thread.c renamed: lib/axtls.c -> lib/curl_axtls.c renamed: lib/base64.c -> lib/curl_base64.c renamed: lib/bundles.c -> lib/curl_bundles.c renamed: lib/conncache.c -> lib/curl_conncache.c renamed: lib/connect.c -> lib/curl_connect.c renamed: lib/content_encoding.c -> lib/curl_content_encoding.c renamed: lib/cookie.c -> lib/curl_cookie.c renamed: lib/cyassl.c -> lib/curl_cyassl.c renamed: lib/dict.c -> lib/curl_dict.c renamed: lib/easy.c -> lib/curl_easy.c renamed: lib/escape.c -> lib/curl_escape.c renamed: lib/file.c -> lib/curl_file.c renamed: lib/fileinfo.c -> lib/curl_fileinfo.c renamed: lib/formdata.c -> lib/curl_formdata.c renamed: lib/ftp.c -> lib/curl_ftp.c renamed: lib/ftplistparser.c -> lib/curl_ftplistparser.c renamed: lib/getenv.c -> lib/curl_getenv.c renamed: lib/getinfo.c -> lib/curl_getinfo.c renamed: lib/gopher.c -> lib/curl_gopher.c renamed: lib/gtls.c -> lib/curl_gtls.c renamed: lib/hash.c -> lib/curl_hash.c renamed: lib/hmac.c -> lib/curl_hmac.c renamed: lib/hostasyn.c -> lib/curl_hostasyn.c renamed: lib/hostcheck.c -> lib/curl_hostcheck.c renamed: lib/hostip.c -> lib/curl_hostip.c renamed: lib/hostip4.c -> lib/curl_hostip4.c renamed: lib/hostip6.c -> lib/curl_hostip6.c renamed: lib/hostsyn.c -> lib/curl_hostsyn.c renamed: lib/http.c -> lib/curl_http.c renamed: lib/http_chunks.c -> lib/curl_http_chunks.c renamed: lib/http_digest.c -> lib/curl_http_digest.c renamed: lib/http_negotiate.c -> lib/curl_http_negotiate.c renamed: lib/http_negotiate_sspi.c -> lib/curl_http_negotiate_sspi.c renamed: lib/http_proxy.c -> lib/curl_http_proxy.c renamed: lib/idn_win32.c -> lib/curl_idn_win32.c renamed: lib/if2ip.c -> lib/curl_if2ip.c renamed: lib/imap.c -> lib/curl_imap.c renamed: lib/inet_ntop.c -> lib/curl_inet_ntop.c renamed: lib/inet_pton.c -> lib/curl_inet_pton.c renamed: lib/krb4.c -> lib/curl_krb4.c renamed: lib/krb5.c -> lib/curl_krb5.c renamed: lib/ldap.c -> lib/curl_ldap.c renamed: lib/llist.c -> lib/curl_llist.c renamed: lib/md4.c -> lib/curl_md4.c renamed: lib/md5.c -> lib/curl_md5.c renamed: lib/memdebug.c -> lib/curl_memdebug.c renamed: lib/mprintf.c -> lib/curl_mprintf.c renamed: lib/multi.c -> lib/curl_multi.c renamed: lib/netrc.c -> lib/curl_netrc.c renamed: lib/non-ascii.c -> lib/curl_non_ascii.c renamed: lib/curl_non-ascii.h -> lib/curl_non_ascii.h renamed: lib/nonblock.c -> lib/curl_nonblock.c renamed: lib/nss.c -> lib/curl_nss.c renamed: lib/nwlib.c -> lib/curl_nwlib.c renamed: lib/nwos.c -> lib/curl_nwos.c renamed: lib/openldap.c -> lib/curl_openldap.c renamed: lib/parsedate.c -> lib/curl_parsedate.c renamed: lib/pingpong.c -> lib/curl_pingpong.c renamed: lib/polarssl.c -> lib/curl_polarssl.c renamed: lib/pop3.c -> lib/curl_pop3.c renamed: lib/progress.c -> lib/curl_progress.c renamed: lib/qssl.c -> lib/curl_qssl.c renamed: lib/rawstr.c -> lib/curl_rawstr.c renamed: lib/rtsp.c -> lib/curl_rtsp.c renamed: lib/security.c -> lib/curl_security.c renamed: lib/select.c -> lib/curl_select.c renamed: lib/sendf.c -> lib/curl_sendf.c renamed: lib/share.c -> lib/curl_share.c renamed: lib/slist.c -> lib/curl_slist.c renamed: lib/smtp.c -> lib/curl_smtp.c renamed: lib/socks.c -> lib/curl_socks.c renamed: lib/socks_gssapi.c -> lib/curl_socks_gssapi.c renamed: lib/socks_sspi.c -> lib/curl_socks_sspi.c renamed: lib/speedcheck.c -> lib/curl_speedcheck.c renamed: lib/splay.c -> lib/curl_splay.c renamed: lib/ssh.c -> lib/curl_ssh.c renamed: lib/sslgen.c -> lib/curl_sslgen.c renamed: lib/ssluse.c -> lib/curl_ssluse.c renamed: lib/strdup.c -> lib/curl_strdup.c renamed: lib/strequal.c -> lib/curl_strequal.c renamed: lib/strerror.c -> lib/curl_strerror.c renamed: lib/strtok.c -> lib/curl_strtok.c renamed: lib/strtoofft.c -> lib/curl_strtoofft.c renamed: lib/telnet.c -> lib/curl_telnet.c renamed: lib/tftp.c -> lib/curl_tftp.c renamed: lib/timeval.c -> lib/curl_timeval.c renamed: lib/transfer.c -> lib/curl_transfer.c renamed: lib/url.c -> lib/curl_url.c renamed: lib/version.c -> lib/curl_version.c renamed: lib/warnless.c -> lib/curl_warnless.c renamed: lib/wildcard.c -> lib/curl_wildcard.c ----------------------------------------
249 lines
6.8 KiB
C
249 lines
6.8 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/* Base64 encoding/decoding */
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#include "curl_setup.h"
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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#include "curl_urldata.h" /* for the SessionHandle definition */
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#include "curl_warnless.h"
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#include "curl_base64.h"
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#include "curl_memory.h"
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#include "curl_non_ascii.h"
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/* include curl_memdebug.h last */
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#include "curl_memdebug.h"
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/* ---- Base64 Encoding/Decoding Table --- */
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static const char table64[]=
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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static void decodeQuantum(unsigned char *dest, const char *src)
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{
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const char *s, *p;
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unsigned long i, v, x = 0;
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for(i = 0, s = src; i < 4; i++, s++) {
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v = 0;
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p = table64;
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while(*p && (*p != *s)) {
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v++;
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p++;
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}
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if(*p == *s)
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x = (x << 6) + v;
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else if(*s == '=')
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x = (x << 6);
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}
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dest[2] = curlx_ultouc(x & 0xFFUL);
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x >>= 8;
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dest[1] = curlx_ultouc(x & 0xFFUL);
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x >>= 8;
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dest[0] = curlx_ultouc(x & 0xFFUL);
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}
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/*
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* Curl_base64_decode()
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*
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* Given a base64 NUL-terminated string at src, decode it and return a
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* pointer in *outptr to a newly allocated memory area holding decoded
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* data. Size of decoded data is returned in variable pointed by outlen.
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*
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* Returns CURLE_OK on success, otherwise specific error code. Function
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* output shall not be considered valid unless CURLE_OK is returned.
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*
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* When decoded data length is 0, returns NULL in *outptr.
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*
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* @unittest: 1302
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*/
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CURLcode Curl_base64_decode(const char *src,
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unsigned char **outptr, size_t *outlen)
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{
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size_t length = 0;
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size_t equalsTerm = 0;
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size_t i;
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size_t numQuantums;
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unsigned char lastQuantum[3];
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size_t rawlen = 0;
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unsigned char *newstr;
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*outptr = NULL;
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*outlen = 0;
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while((src[length] != '=') && src[length])
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length++;
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/* A maximum of two = padding characters is allowed */
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if(src[length] == '=') {
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equalsTerm++;
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if(src[length+equalsTerm] == '=')
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equalsTerm++;
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}
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numQuantums = (length + equalsTerm) / 4;
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/* Don't allocate a buffer if the decoded length is 0 */
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if(numQuantums == 0)
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return CURLE_OK;
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rawlen = (numQuantums * 3) - equalsTerm;
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/* The buffer must be large enough to make room for the last quantum
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(which may be partially thrown out) and the zero terminator. */
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newstr = malloc(rawlen+4);
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if(!newstr)
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return CURLE_OUT_OF_MEMORY;
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*outptr = newstr;
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/* Decode all but the last quantum (which may not decode to a
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multiple of 3 bytes) */
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for(i = 0; i < numQuantums - 1; i++) {
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decodeQuantum(newstr, src);
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newstr += 3; src += 4;
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}
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/* This final decode may actually read slightly past the end of the buffer
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if the input string is missing pad bytes. This will almost always be
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harmless. */
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decodeQuantum(lastQuantum, src);
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for(i = 0; i < 3 - equalsTerm; i++)
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newstr[i] = lastQuantum[i];
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newstr[i] = '\0'; /* zero terminate */
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*outlen = rawlen; /* return size of decoded data */
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return CURLE_OK;
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}
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/*
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* Curl_base64_encode()
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*
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* Given a pointer to an input buffer and an input size, encode it and
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* return a pointer in *outptr to a newly allocated memory area holding
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* encoded data. Size of encoded data is returned in variable pointed by
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* outlen.
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*
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* Input length of 0 indicates input buffer holds a NUL-terminated string.
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*
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* Returns CURLE_OK on success, otherwise specific error code. Function
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* output shall not be considered valid unless CURLE_OK is returned.
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*
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* When encoded data length is 0, returns NULL in *outptr.
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*
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* @unittest: 1302
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*/
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CURLcode Curl_base64_encode(struct SessionHandle *data,
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const char *inputbuff, size_t insize,
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char **outptr, size_t *outlen)
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{
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CURLcode error;
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unsigned char ibuf[3];
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unsigned char obuf[4];
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int i;
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int inputparts;
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char *output;
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char *base64data;
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char *convbuf = NULL;
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const char *indata = inputbuff;
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*outptr = NULL;
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*outlen = 0;
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if(0 == insize)
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insize = strlen(indata);
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base64data = output = malloc(insize*4/3+4);
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if(NULL == output)
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return CURLE_OUT_OF_MEMORY;
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/*
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* The base64 data needs to be created using the network encoding
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* not the host encoding. And we can't change the actual input
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* so we copy it to a buffer, translate it, and use that instead.
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*/
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error = Curl_convert_clone(data, indata, insize, &convbuf);
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if(error) {
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free(output);
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return error;
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}
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if(convbuf)
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indata = (char *)convbuf;
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while(insize > 0) {
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for(i = inputparts = 0; i < 3; i++) {
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if(insize > 0) {
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inputparts++;
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ibuf[i] = (unsigned char) *indata;
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indata++;
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insize--;
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}
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else
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ibuf[i] = 0;
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}
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obuf[0] = (unsigned char) ((ibuf[0] & 0xFC) >> 2);
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obuf[1] = (unsigned char) (((ibuf[0] & 0x03) << 4) | \
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((ibuf[1] & 0xF0) >> 4));
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obuf[2] = (unsigned char) (((ibuf[1] & 0x0F) << 2) | \
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((ibuf[2] & 0xC0) >> 6));
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obuf[3] = (unsigned char) (ibuf[2] & 0x3F);
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switch(inputparts) {
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case 1: /* only one byte read */
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snprintf(output, 5, "%c%c==",
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table64[obuf[0]],
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table64[obuf[1]]);
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break;
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case 2: /* two bytes read */
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snprintf(output, 5, "%c%c%c=",
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table64[obuf[0]],
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table64[obuf[1]],
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table64[obuf[2]]);
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break;
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default:
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snprintf(output, 5, "%c%c%c%c",
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table64[obuf[0]],
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table64[obuf[1]],
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table64[obuf[2]],
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table64[obuf[3]] );
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break;
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}
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output += 4;
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}
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*output = '\0';
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*outptr = base64data; /* return pointer to new data, allocated memory */
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if(convbuf)
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free(convbuf);
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*outlen = strlen(base64data); /* return the length of the new data */
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return CURLE_OK;
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}
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/* ---- End of Base64 Encoding ---- */
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