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