tls.h

   1 // One of the headers for HaxServ
   2 //
   3 // Written by: Test_User <hax@andrewyu.org>
   4 //
   5 // This is free and unencumbered software released into the public
   6 // domain.
   7 //
   8 // Anyone is free to copy, modify, publish, use, compile, sell, or
   9 // distribute this software, either in source code form or as a compiled
  10 // binary, for any purpose, commercial or non-commercial, and by any
  11 // means.
  12 //
  13 // In jurisdictions that recognize copyright laws, the author or authors
  14 // of this software dedicate any and all copyright interest in the
  15 // software to the public domain. We make this dedication for the benefit
  16 // of the public at large and to the detriment of our heirs and
  17 // successors. We intend this dedication to be an overt act of
  18 // relinquishment in perpetuity of all present and future rights to this
  19 // software under copyright law.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  24 // IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  25 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  26 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  27 // OTHER DEALINGS IN THE SOFTWARE.
  28
  29 #include <gnutls/gnutls.h>
  30
  31 #if LOGALL
  32 extern ssize_t SEND(struct string msg);
  33 #else
  34 #define SEND(x) gnutls_record_send(session, x.data, x.len)
  35 #endif
  36
  37 extern gnutls_session_t session;
  38
  39 extern int connect_tls(void);
  40
  41 inline size_t RECV(char *buf, size_t buflen, char *timeout) {
  42         int len;
  43         do {
  44                 len = gnutls_record_recv(session, buf, buflen);
  45         } while (len == GNUTLS_E_AGAIN || len == GNUTLS_E_INTERRUPTED);
  46
  47         *timeout = (len == GNUTLS_E_TIMEDOUT);
  48         if (len < 0)
  49                 return 0;
  50         else
  51                 return (size_t)len;
  52 }