1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* ISC license. */
#include <stdlib.h>
#include <tls.h>
#include <skalibs/strerr2.h>
#include <s6-networking/stls.h>
#include "stls-internal.h"
#define diecfg(cfg, s) strerr_diefu3x(96, (s), ": ", tls_config_error(cfg))
#define diectx(e, ctx, s) strerr_diefu3x(e, (s), ": ", tls_error(ctx))
struct tls *stls_server_init_and_handshake (int const *fds, uint32_t preoptions)
{
struct tls *ctx = 0 ;
struct tls *sctx ;
struct tls_config *cfg ;
char const *x ;
if (tls_init() < 0) strerr_diefu1sys(111, "tls_init") ;
cfg = tls_config_new() ;
if (!cfg) strerr_diefu1sys(111, "tls_config_new") ;
x = getenv("CERTFILE") ;
if (!x) strerr_dienotset(100, "CERTFILE") ;
if (tls_config_set_cert_file(cfg, x) < 0)
diecfg(cfg, "tls_config_set_cert_file") ;
x = getenv("KEYFILE") ;
if (!x) strerr_dienotset(100, "KEYFILE") ;
if (tls_config_set_key_file(cfg, x) < 0)
diecfg(cfg, "tls_config_set_key_file") ;
stls_drop() ;
if (tls_config_set_ciphers(cfg, "secure") < 0)
diecfg(cfg, "tls_config_set_ciphers") ;
if (tls_config_set_dheparams(cfg, "auto") < 0)
diecfg(cfg, "tls_config_set_dheparams") ;
if (tls_config_set_ecdhecurve(cfg, "auto") < 0)
diecfg(cfg, "tls_config_set_ecdhecurve") ;
if (preoptions & 1)
{
x = getenv("CADIR") ;
if (x)
{
if (tls_config_set_ca_path(cfg, x) < 0)
diecfg(cfg, "tls_config_set_ca_path") ;
}
else
{
x = getenv("CAFILE") ;
if (x)
{
if (tls_config_set_ca_file(cfg, x) < 0)
diecfg(cfg, "tls_config_set_ca_file") ;
}
else strerr_dienotset(100, "CADIR or CAFILE") ;
}
if (preoptions & 2) tls_config_verify_client(cfg) ;
else tls_config_verify_client_optional(cfg) ;
}
else tls_config_insecure_noverifycert(cfg) ;
tls_config_set_protocols(cfg, TLS_PROTOCOLS_DEFAULT) ;
tls_config_prefer_ciphers_server(cfg) ;
sctx = tls_server() ;
if (!sctx) strerr_diefu1sys(111, "tls_server") ;
if (tls_configure(sctx, cfg) < 0) diectx(97, ctx, "tls_configure") ;
tls_config_free(cfg) ;
if (tls_accept_fds(sctx, &ctx, fds[0], fds[1]) < 0)
diectx(97, sctx, "tls_accept_fds") ;
tls_free(sctx) ;
if (tls_handshake(ctx) < 0) diectx(97, ctx, "tls_handshake") ;
return ctx ;
}
|
