crypto/external/bsd/openssl/dist/demos/easy_tls/easy-tls.h

   1 /* -*- Mode: C; c-file-style: "bsd" -*- */
   2 /*
   3  * easy-tls.h -- generic TLS proxy.
   4  * $Id: easy-tls.h,v 1.1.1.1 2009/07/19 23:05:17 christos Exp $
   5  */
   6 /*
   7  * (c) Copyright 1999 Bodo Moeller.  All rights reserved.
   8  */
   9
  10 #ifndef HEADER_TLS_H
  11 #define HEADER_TLS_H
  12
  13 #ifndef HEADER_SSL_H
  14 typedef struct ssl_ctx_st SSL_CTX;
  15 #endif
  16
  17 #define TLS_INFO_SIZE 512 /* max. # of bytes written to infofd */
  18
  19 void tls_set_dhe1024(int i, void* apparg);
  20 /* Generate DHE parameters:
  21  * i >= 0 deterministic (i selects seed), i < 0 random (may take a while).
  22  * tls_create_ctx calls this with random non-negative i if the application
  23  * has never called it.*/
  24
  25 void tls_rand_seed(void);
  26 int tls_rand_seed_from_file(const char *filename, size_t n, void *apparg);
  27 void tls_rand_seed_from_memory(const void *buf, size_t n);
  28
  29 struct tls_create_ctx_args
  30 {
  31     int client_p;
  32     const char *certificate_file;
  33     const char *key_file;
  34     const char *ca_file;
  35     int verify_depth;
  36     int fail_unless_verified;
  37     int export_p;
  38 };
  39 struct tls_create_ctx_args tls_create_ctx_defaultargs(void);
  40 /* struct tls_create_ctx_args is similar to a conventional argument list,
  41  * but it can provide default values and allows for future extension. */
  42 SSL_CTX *tls_create_ctx(struct tls_create_ctx_args, void *apparg);
  43
  44 struct tls_start_proxy_args
  45 {
  46     int fd;
  47     int client_p;
  48     SSL_CTX *ctx;
  49     pid_t *pid;
  50     int *infofd;
  51 };
  52 struct tls_start_proxy_args tls_start_proxy_defaultargs(void);
  53 /* tls_start_proxy return value *MUST* be checked!
  54  * 0 means ok, otherwise we've probably run out of some resources. */
  55 int tls_start_proxy(struct tls_start_proxy_args, void *apparg);
  56
  57 #endif