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    1: #ifndef HEADER_CURL_SOCKS_H
    2: #define HEADER_CURL_SOCKS_H
    3: /***************************************************************************
    4:  *                                  _   _ ____  _
    5:  *  Project                     ___| | | |  _ \| |
    6:  *                             / __| | | | |_) | |
    7:  *                            | (__| |_| |  _ <| |___
    8:  *                             \___|\___/|_| \_\_____|
    9:  *
   10:  * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
   11:  *
   12:  * This software is licensed as described in the file COPYING, which
   13:  * you should have received as part of this distribution. The terms
   14:  * are also available at https://curl.haxx.se/docs/copyright.html.
   15:  *
   16:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   17:  * copies of the Software, and permit persons to whom the Software is
   18:  * furnished to do so, under the terms of the COPYING file.
   19:  *
   20:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   21:  * KIND, either express or implied.
   22:  *
   23:  ***************************************************************************/
   24: 
   25: #include "curl_setup.h"
   26: 
   27: #ifdef CURL_DISABLE_PROXY
   28: #define Curl_SOCKS4(a,b,c,d,e) CURLE_NOT_BUILT_IN
   29: #define Curl_SOCKS5(a,b,c,d,e,f) CURLE_NOT_BUILT_IN
   30: #define Curl_SOCKS_getsock(x,y,z) 0
   31: #else
   32: /*
   33:  * Helper read-from-socket functions. Does the same as Curl_read() but it
   34:  * blocks until all bytes amount of buffersize will be read. No more, no less.
   35:  *
   36:  * This is STUPID BLOCKING behavior
   37:  */
   38: int Curl_blockread_all(struct connectdata *conn,
   39:                        curl_socket_t sockfd,
   40:                        char *buf,
   41:                        ssize_t buffersize,
   42:                        ssize_t *n);
   43: 
   44: int Curl_SOCKS_getsock(struct connectdata *conn,
   45:                        curl_socket_t *sock,
   46:                        int sockindex);
   47: /*
   48:  * This function logs in to a SOCKS4(a) proxy and sends the specifics to the
   49:  * final destination server.
   50:  */
   51: CURLcode Curl_SOCKS4(const char *proxy_name,
   52:                      const char *hostname,
   53:                      int remote_port,
   54:                      int sockindex,
   55:                      struct connectdata *conn,
   56:                      bool *done);
   57: 
   58: /*
   59:  * This function logs in to a SOCKS5 proxy and sends the specifics to the
   60:  * final destination server.
   61:  */
   62: CURLcode Curl_SOCKS5(const char *proxy_name,
   63:                      const char *proxy_password,
   64:                      const char *hostname,
   65:                      int remote_port,
   66:                      int sockindex,
   67:                      struct connectdata *conn,
   68:                      bool *done);
   69: 
   70: #if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
   71: /*
   72:  * This function handles the SOCKS5 GSS-API negotiation and initialisation
   73:  */
   74: CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
   75:                                       struct connectdata *conn);
   76: #endif
   77: 
   78: #endif /* CURL_DISABLE_PROXY */
   79: 
   80: #endif  /* HEADER_CURL_SOCKS_H */