/*
    * uclient - ustream based protocol client library
    *
    * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
    *
    * Permission to use, copy, modify, and/or distribute this software for any
    * purpose with or without fee is hereby granted, provided that the above
    * copyright notice and this permission notice appear in all copies.
    *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  #ifndef __UCLIENT_UTILS_H
  #define __UCLIENT_UTILS_H
  
  #include <stdbool.h>
  
  struct http_digest_data {
          const char *uri;
          const char *method;
  
          const char *auth_hash; /* H(A1) */
          const char *qop;
          const char *nc;
          const char *nonce;
          const char *cnonce;
  };
  
  static inline int base64_len(int len)
  {
          return ((len + 2) / 3) * 4;
  }
  
  void base64_encode(const void *inbuf, unsigned int len, void *out);
  void bin_to_hex(char *dest, const void *buf, int len);
  
  int uclient_urldecode(const char *in, char *out, bool decode_plus);
  
  void http_digest_calculate_auth_hash(char *dest, const char *user, const char *realm, const char *password);
  void http_digest_calculate_response(char *dest, const struct http_digest_data *data);
  
  char *uclient_get_url_filename(const char *url, const char *default_name);
  
  #endif
  

• Git
• Wiki