1/* -*- Mode: C; c-file-style: "bsd" -*- */ 2/* 3 * easy-tls.h -- generic TLS proxy. 4 * $Id: easy-tls.h,v 1.1 2001/09/17 19:06:59 bodo 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 14typedef struct ssl_ctx_st SSL_CTX; 15#endif 16 17#define TLS_INFO_SIZE 512 /* max. # of bytes written to infofd */ 18 19void 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 25void tls_rand_seed(void); 26int tls_rand_seed_from_file(const char *filename, size_t n, void *apparg); 27void tls_rand_seed_from_memory(const void *buf, size_t n); 28 29struct 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}; 39struct 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. */ 42SSL_CTX *tls_create_ctx(struct tls_create_ctx_args, void *apparg); 43 44struct tls_start_proxy_args 45{ 46 int fd; 47 int client_p; 48 SSL_CTX *ctx; 49 pid_t *pid; 50 int *infofd; 51}; 52struct 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. */ 55int tls_start_proxy(struct tls_start_proxy_args, void *apparg); 56 57#endif 58