Revert "luci-base: add urldecode() and urlencode() C implementations"

[project/luci.git] / modules / luci-base / src / template_utils.c

diff --git a/modules/luci-base/src/template_utils.c b/modules/luci-base/src/template_utils.c
index eefdd17..3979487 100644 (file)
--- a/modules/luci-base/src/template_utils.c
+++ b/modules/luci-base/src/template_utils.c
@@ -1,7 +1,7 @@
 /*
  * LuCI Template - Utility functions
  *
- *   Copyright (C) 2010-2018 Jo-Philipp Wich <jo@mein.io>
+ *   Copyright (C) 2010 Jo-Philipp Wich <jow@openwrt.org>
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -428,128 +428,6 @@ char * striptags(const char *s, unsigned int l)
        return buf_destroy(buf);
 }
 
-
-static inline bool is_urlencode_char(char c)
-{
-       return !((c >= 'a' && c <= 'z') ||
-                (c >= 'A' && c <= 'Z') ||
-                (c >= '0' && c <= '9') ||
-                (c == '$') || (c == '_') ||
-                (c == '-') || (c == '.') ||
-                (c == '~'));
-}
-
-/*
- * URL-encode all special characters in given string and return
- * encoded copy.
- *
- * If no encoding was required, returns NULL. If an encoded_len
- * pointer is passed, it is set to the length of the encoded string.
- *
- * Sets encoded_len and returns NULL if memory allocation failed.
- */
-char *urlencode(const char *s, size_t *encoded_len)
-{
-       size_t i, enc_len;
-       char *enc, *ptr;
-
-       for (i = 0, enc_len = 0; s[i]; i++)
-               if (is_urlencode_char(s[i]))
-                       enc_len += 3;
-               else
-                       enc_len++;
-
-       if (i != enc_len)
-       {
-               if (encoded_len)
-                       *encoded_len = enc_len;
-
-               enc = calloc(1, enc_len + 1);
-
-               if (!enc)
-                       return NULL;
-
-               for (i = 0, ptr = enc; s[i]; i++)
-                       if (is_urlencode_char(s[i]))
-                               ptr += snprintf(ptr, 4, "%%%02x", (unsigned char)s[i]);
-                       else
-                               *ptr++ = s[i];
-
-               return enc;
-       }
-
-       return NULL;
-}
-
-/*
- * URL-decode given string and return decoded copy.
- *
- * If no decoding was required, returns NULL. If an decoded_len
- * pointer is passed, it is set to the length of the decoded string.
- *
- * When keep_plus is true, skip decoding of plus ("+") signs into
- * space (0x20) characters.
- *
- * Sets decoded_len and returns NULL if memory allocation failed.
- */
-
-#define hex(x) \
-       (((x) <= '9') ? ((x) - '0') : \
-               (((x) <= 'F') ? ((x) - 'A' + 10) : \
-                       ((x) - 'a' + 10)))
-
-char *urldecode(const char *s, size_t *decoded_len, bool keep_plus)
-{
-       bool changed = false;
-       size_t i, dec_len;
-       char *dec, *ptr;
-
-       for (i = 0, dec_len = 0; s[i]; i++, dec_len++)
-       {
-               if (s[i] == '%' && isxdigit(s[i+1]) && isxdigit(s[i+2]))
-               {
-                       changed = true;
-                       i += 2;
-               }
-               else if (!keep_plus && s[i] == '+')
-               {
-                       changed = true;
-               }
-       }
-
-       if (changed)
-       {
-               if (decoded_len)
-                       *decoded_len = dec_len;
-
-               dec = calloc(1, dec_len + 1);
-
-               if (!dec)
-                       return NULL;
-
-               for (i = 0, ptr = dec; s[i]; i++)
-               {
-                       if (s[i] == '%' && isxdigit(s[i+1]) && isxdigit(s[i+2]))
-                       {
-                               *ptr++ = (char)(16 * hex(s[i+1]) + hex(s[i+2]));
-                               i += 2;
-                       }
-                       else if (!keep_plus && s[i] == '+')
-                       {
-                               *ptr++ = ' ';
-                       }
-                       else
-                       {
-                               *ptr++ = s[i];
-                       }
-               }
-
-               return dec;
-       }
-
-       return NULL;
-}
-
 void luastr_escape(struct template_buffer *out, const char *s, unsigned int l,
                                   int escape_xml)
 {