forked from agl/gatling
-
Notifications
You must be signed in to change notification settings - Fork 0
/
pssl.c
233 lines (208 loc) · 6.91 KB
/
pssl.c
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/poll.h>
#include <netdb.h>
#include <fcntl.h>
#include <polarssl/ssl.h>
#include <polarssl/entropy.h>
#include <polarssl/ctr_drbg.h>
#include <polarssl/certs.h>
#include <polarssl/x509.h>
#include <polarssl/ssl_cache.h>
#include <polarssl/net.h>
#include <polarssl/dhm.h>
#include "mmap.h"
#include <ctype.h>
#include "pssl.h"
#ifdef POLARSSL_ERR_NET_TRY_AGAIN
#error polarssl version too old, try the svn trunk
#endif
static int library_inited;
const char* ssl_server_cert="server.pem";
const char* ssl_client_crl="clientcrl.pem";
const char* ssl_client_ca="clientca.pem";
const char* ssl_ciphers="DEFAULT";
const char* ssl_client_cert="clientcert.pem";
const char* ssl_dhparams="dhparams.pem";
const unsigned char ssl_default_dhparams[]="-----BEGIN DH PARAMETERS-----\n"
"MIIBCAKCAQEAhS4NySChob9OZmB7WOUbOIxurRRbItWnKmC2fq1pJHRft/r72/qq\n"
"g8qquhYAmikXgX4+uZEgfLBWPlx1d8wHggnKtEJ+0KzlGpxek7QORwN2j9872jXC\n"
"25iZar+Om4hUXREuVyGU02GmGHgfemVT1mOvZMbBxzTfmaUdP9Q304oKz4RUYV1w\n"
"+Jv3iO6MYySz6bhsc7lSyayUIJxXJoaqgz6EJVImU6LwXo8gUbD5GUVXhEzDHuRG\n"
"fbKleVvLf1MC7TT6H5PAFFOkfFET//C9QJkSmUsg3u5GtwvKNZhwrggqNzchXSkS\n"
"FDQXPlpTK7h3BlR8vDadEpT68OcdLr2+owIBAg==\n"
"-----END DH PARAMETERS-----\n";
entropy_context entropy;
ctr_drbg_context ctr_drbg;
ssl_cache_context cache;
int ciphersuites[] =
{
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
TLS_RSA_WITH_AES_256_GCM_SHA384,
TLS_RSA_WITH_AES_256_CBC_SHA256,
TLS_RSA_WITH_AES_256_CBC_SHA,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS_RSA_WITH_AES_128_GCM_SHA256,
TLS_RSA_WITH_AES_128_CBC_SHA256,
TLS_RSA_WITH_AES_128_CBC_SHA,
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA,
TLS_RSA_WITH_3DES_EDE_CBC_SHA,
// TLS_RSA_WITH_RC4_128_SHA,
// TLS_RSA_WITH_RC4_128_MD5,
0
};
int my_net_recv( void *ctx, unsigned char *buf, size_t len ) {
int sock=(int)(uintptr_t)ctx;
return net_recv(&sock, buf, len);
}
int my_net_send( void *ctx, const unsigned char *buf, size_t len ) {
int sock=(int)(uintptr_t)ctx;
return net_send(&sock, buf, len);
}
static int parse_cert( const char* filename, x509_crt* srvcert, pk_context* key ) {
size_t i,l;
char* buf;
int found=0;
memset(srvcert,0,sizeof(x509_crt));
memset(key,0,sizeof(pk_context));
/* for compatibility we expect the same file format as openssl, which
* looks like this:
-----BEGIN RSA PRIVATE KEY-----
[base64]
-----END RSA PRIVATE KEY-----
-----BEGIN CERTIFICATE-----
[base64]
-----END CERTIFICATE-----
*/
buf=(char*)mmap_read(filename,&l);
if (!buf) return -1;
for (i=0; i<l-sizeof("-----BEGIN CERTIFICATE-----\n-----END CERTIFICATE-----"); ++i)
if (!memcmp(buf+i,"-----BEGIN CERTIFICATE-----",sizeof("-----BEGIN CERTIFICATE-----")-1)) {
found=1;
break;
}
if (!found) {
fail:
mmap_unmap(buf,l);
return -1;
}
pk_init(key);
/* parse cert and key */
if (x509_crt_parse(srvcert,(unsigned char*)buf+i,l-i) ||
pk_parse_key(key,(unsigned char*)buf,i,NULL,0))
goto fail;
mmap_unmap(buf,l);
return 0;
}
static char makevaliddns(char c) {
if (c>='A' && c<='Z') return c-'A'+'a';
if (isalnum(c)) return c;
switch (c) {
case '.':
case '-':
case '_':
return c;
}
return -1;
}
static int sni_callback( void* p_info, ssl_context* ssl, const unsigned char* name, size_t namelen) {
char fn[136];
unsigned int i;
int r=-1;
struct ssl_data* sd=(struct ssl_data*)p_info;
sd->snidata=malloc(sizeof(*sd->snidata));
if (!sd->snidata) return -1;
if (namelen<1 || namelen>128 || name[0]=='.' || name[0]=='-')
return -1;
for (i=0; i<namelen; ++i) {
char c;
if ((c = makevaliddns(name[i])) == -1)
return -1;
fn[i]=c;
if (c=='-' && (i+1 >= namelen || name[i+1]=='.'))
return -1;
}
if (fn[i-1]=='-')
return -1;
strcpy(fn+i,".pem");
if (parse_cert(fn, &sd->snidata->crt, &sd->snidata->key))
return 0; /* if we failed to parse the certificate, then we fall back on the build-in one */
r=ssl_set_own_cert( ssl, &sd->snidata->crt, &sd->snidata->key);
return r;
}
static void my_debug( void* ctx, int level, const char* str) {
write(1,str,strlen(str));
}
int init_serverside_tls(struct ssl_data* d,int sock) {
if (!library_inited) {
library_inited=1;
if (access("/dev/urandom",R_OK))
return -1;
ssl_cache_init(&cache);
entropy_init(&entropy);
if (ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char*) "gatling", strlen("gatling")))
return -1;
}
memset(d,0,sizeof(*d));
if (parse_cert(ssl_server_cert, &d->crt, &d->key))
return -1;
if (ssl_init(&d->ssl))
return -1;
ssl_set_endpoint( &d->ssl, SSL_IS_SERVER );
ssl_set_authmode( &d->ssl, SSL_VERIFY_NONE );
ssl_set_rng( &d->ssl, ctr_drbg_random, &ctr_drbg );
ssl_set_dbg( &d->ssl, my_debug, NULL);
ssl_set_session_cache( &d->ssl, ssl_cache_get, &cache, ssl_cache_set, &cache);
ssl_set_ca_chain( &d->ssl, d->crt.next, NULL, NULL);
ssl_set_own_cert( &d->ssl, &d->crt, &d->key );
ssl_set_sni( &d->ssl, sni_callback, d );
ssl_set_bio( &d->ssl, my_net_recv, (char*)(uintptr_t)sock, my_net_send, (char*)(uintptr_t)sock );
// ssl_set_ciphersuites( ssl, ciphersuites );
{
if (dhm_parse_dhmfile(&d->dhm, ssl_dhparams) && dhm_parse_dhmfile(&d->dhm, ssl_server_cert))
dhm_parse_dhm(&d->dhm, ssl_default_dhparams, sizeof(ssl_default_dhparams)-1);
ssl_set_dh_param_ctx(&d->ssl, &d->dhm);
}
// debug_set_threshold(65535);
ssl_set_min_version(&d->ssl, SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1); /* demand at least TLS 1.0 */
// ssl_set_dh_param( ssl, "CD95C1B9959B0A135B9D306D53A87518E8ED3EA8CBE6E3A338D9DD3167889FC809FE1AD59B38C98D1A8FCE47E46DF5FB56B8EA3B03B2132C249A99209F62A1AD63511BD08A60655B0463B6F1BB79BEC9D17C71BD269C6B50CF0EDDAAB83290B4C697A7F641FBD21EE0E7B57C698AFEED8DA3AB800525E6887215A61CA62DC437", "04" );
ssl_session_reset( &d->ssl );
return 0;
}
void free_tls_ctx(struct ssl_data* d) {
ssl_free(&d->ssl);
dhm_free(&d->dhm);
x509_crt_free(&d->crt);
pk_free(&d->key);
if (d->snidata) {
x509_crt_free(&d->snidata->crt);
pk_free(&d->snidata->key);
free(d->snidata);
}
}
void free_tls_memory(void) {
ssl_cache_free( &cache );
ctr_drbg_free( &ctr_drbg );
entropy_free( &entropy );
}