diff options
Diffstat (limited to 'libcurl/src/lib/escape.c')
| -rw-r--r-- | libcurl/src/lib/escape.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/libcurl/src/lib/escape.c b/libcurl/src/lib/escape.c deleted file mode 100644 index 417a91a..0000000 --- a/libcurl/src/lib/escape.c +++ /dev/null @@ -1,231 +0,0 @@ -/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2015, 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.
- *
- ***************************************************************************/
-
-/* Escape and unescape URL encoding in strings. The functions return a new
- * allocated string or NULL if an error occurred. */
-
-#include "curl_setup.h"
-
-#include <curl/curl.h>
-
-#include "urldata.h"
-#include "warnless.h"
-#include "non-ascii.h"
-#include "escape.h"
-#include "curl_printf.h"
-
-/* The last #include files should be: */
-#include "curl_memory.h"
-#include "memdebug.h"
-
-/* Portable character check (remember EBCDIC). Do not use isalnum() because
- its behavior is altered by the current locale.
- See http://tools.ietf.org/html/rfc3986#section-2.3
-*/
-static bool Curl_isunreserved(unsigned char in)
-{
- switch (in) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f': case 'g': case 'h': case 'i': case 'j':
- case 'k': case 'l': case 'm': case 'n': case 'o':
- case 'p': case 'q': case 'r': case 's': case 't':
- case 'u': case 'v': case 'w': case 'x': case 'y': case 'z':
- case 'A': case 'B': case 'C': case 'D': case 'E':
- case 'F': case 'G': case 'H': case 'I': case 'J':
- case 'K': case 'L': case 'M': case 'N': case 'O':
- case 'P': case 'Q': case 'R': case 'S': case 'T':
- case 'U': case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case '-': case '.': case '_': case '~':
- return TRUE;
- default:
- break;
- }
- return FALSE;
-}
-
-/* for ABI-compatibility with previous versions */
-char *curl_escape(const char *string, int inlength)
-{
- return curl_easy_escape(NULL, string, inlength);
-}
-
-/* for ABI-compatibility with previous versions */
-char *curl_unescape(const char *string, int length)
-{
- return curl_easy_unescape(NULL, string, length, NULL);
-}
-
-char *curl_easy_escape(CURL *handle, const char *string, int inlength)
-{
- size_t alloc = (inlength?(size_t)inlength:strlen(string))+1;
- char *ns;
- char *testing_ptr = NULL;
- unsigned char in; /* we need to treat the characters unsigned */
- size_t newlen = alloc;
- size_t strindex=0;
- size_t length;
- CURLcode result;
-
- ns = malloc(alloc);
- if(!ns)
- return NULL;
-
- length = alloc-1;
- while(length--) {
- in = *string;
-
- if(Curl_isunreserved(in))
- /* just copy this */
- ns[strindex++]=in;
- else {
- /* encode it */
- newlen += 2; /* the size grows with two, since this'll become a %XX */
- if(newlen > alloc) {
- alloc *= 2;
- testing_ptr = realloc(ns, alloc);
- if(!testing_ptr) {
- free( ns );
- return NULL;
- }
- else {
- ns = testing_ptr;
- }
- }
-
- result = Curl_convert_to_network(handle, &in, 1);
- if(result) {
- /* Curl_convert_to_network calls failf if unsuccessful */
- free(ns);
- return NULL;
- }
-
- snprintf(&ns[strindex], 4, "%%%02X", in);
-
- strindex+=3;
- }
- string++;
- }
- ns[strindex]=0; /* terminate it */
- return ns;
-}
-
-/*
- * Curl_urldecode() URL decodes the given string.
- *
- * Optionally detects control characters (byte codes lower than 32) in the
- * data and rejects such data.
- *
- * Returns a pointer to a malloced string in *ostring with length given in
- * *olen. If length == 0, the length is assumed to be strlen(string).
- *
- */
-CURL_STATIC CURLcode Curl_urldecode(struct SessionHandle *data,
- const char *string, size_t length,
- char **ostring, size_t *olen,
- bool reject_ctrl)
-{
- size_t alloc = (length?length:strlen(string))+1;
- char *ns = malloc(alloc);
- unsigned char in;
- size_t strindex=0;
- unsigned long hex;
- CURLcode result;
-
- if(!ns)
- return CURLE_OUT_OF_MEMORY;
-
- while(--alloc > 0) {
- in = *string;
- if(('%' == in) && (alloc > 2) &&
- ISXDIGIT(string[1]) && ISXDIGIT(string[2])) {
- /* this is two hexadecimal digits following a '%' */
- char hexstr[3];
- char *ptr;
- hexstr[0] = string[1];
- hexstr[1] = string[2];
- hexstr[2] = 0;
-
- hex = strtoul(hexstr, &ptr, 16);
-
- in = curlx_ultouc(hex); /* this long is never bigger than 255 anyway */
-
- result = Curl_convert_from_network(data, &in, 1);
- if(result) {
- /* Curl_convert_from_network calls failf if unsuccessful */
- free(ns);
- return result;
- }
-
- string+=2;
- alloc-=2;
- }
-
- if(reject_ctrl && (in < 0x20)) {
- free(ns);
- return CURLE_URL_MALFORMAT;
- }
-
- ns[strindex++] = in;
- string++;
- }
- ns[strindex]=0; /* terminate it */
-
- if(olen)
- /* store output size */
- *olen = strindex;
-
- /* store output string */
- *ostring = ns;
-
- return CURLE_OK;
-}
-
-/*
- * Unescapes the given URL escaped string of given length. Returns a
- * pointer to a malloced string with length given in *olen.
- * If length == 0, the length is assumed to be strlen(string).
- * If olen == NULL, no output length is stored.
- */
-char *curl_easy_unescape(CURL *handle, const char *string, int length,
- int *olen)
-{
- char *str = NULL;
- size_t inputlen = length;
- size_t outputlen;
- CURLcode res = Curl_urldecode(handle, string, inputlen, &str, &outputlen,
- FALSE);
- if(res)
- return NULL;
- if(olen)
- *olen = curlx_uztosi(outputlen);
- return str;
-}
-
-/* For operating systems/environments that use different malloc/free
- systems for the app and for this library, we provide a free that uses
- the library's memory system */
-void curl_free(void *p)
-{
- free(p);
-}
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