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
|
--- libressl-2.7.4.orig/tls/tls_bio_cb.c
+++ libressl-2.7.4/tls/tls_bio_cb.c
@@ -18,6 +18,7 @@
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
+#include <assert.h>
#include <openssl/bio.h>
@@ -29,19 +30,36 @@
static int bio_cb_puts(BIO *bio, const char *str);
static long bio_cb_ctrl(BIO *bio, int cmd, long num, void *ptr);
-static BIO_METHOD bio_cb_method = {
- .type = BIO_TYPE_MEM,
- .name = "libtls_callbacks",
- .bwrite = bio_cb_write,
- .bread = bio_cb_read,
- .bputs = bio_cb_puts,
- .ctrl = bio_cb_ctrl,
-};
+static pthread_once_t bio_cb_init_once = PTHREAD_ONCE_INIT;
+static BIO_METHOD *bio_cb_method = NULL;
+
+static void
+bio_s_cb_init(void)
+{
+ BIO_METHOD *method;
+
+ method = BIO_meth_new(BIO_TYPE_MEM, "libtls_callbacks");
+ assert(method != NULL);
+
+ BIO_meth_set_read(method, bio_cb_read);
+ BIO_meth_set_write(method, bio_cb_write);
+ BIO_meth_set_puts(method, bio_cb_puts);
+ BIO_meth_set_ctrl(method, bio_cb_ctrl);
+
+ bio_cb_method = method;
+}
+
static BIO_METHOD *
bio_s_cb(void)
{
- return (&bio_cb_method);
+ if (bio_cb_method != NULL) {
+ return bio_cb_method;
+ }
+
+ (void) pthread_once(&bio_cb_init_once, bio_s_cb_init);
+
+ return bio_cb_method;
}
static int
@@ -57,10 +75,10 @@
switch (cmd) {
case BIO_CTRL_GET_CLOSE:
- ret = (long)bio->shutdown;
+ ret = (long) BIO_get_shutdown(bio);
break;
case BIO_CTRL_SET_CLOSE:
- bio->shutdown = (int)num;
+ BIO_set_shutdown(bio, (int) num);
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
@@ -69,7 +87,7 @@
case BIO_CTRL_GET:
case BIO_CTRL_SET:
default:
- ret = BIO_ctrl(bio->next_bio, cmd, num, ptr);
+ ret = BIO_ctrl(BIO_next(bio), cmd, num, ptr);
}
return (ret);
@@ -78,7 +96,7 @@
static int
bio_cb_write(BIO *bio, const char *buf, int num)
{
- struct tls *ctx = bio->ptr;
+ struct tls *ctx = BIO_get_data(bio);
int rv;
BIO_clear_retry_flags(bio);
@@ -96,7 +114,7 @@
static int
bio_cb_read(BIO *bio, char *buf, int size)
{
- struct tls *ctx = bio->ptr;
+ struct tls *ctx = BIO_get_data(bio);
int rv;
BIO_clear_retry_flags(bio);
@@ -131,8 +149,8 @@
tls_set_errorx(ctx, "failed to create callback i/o");
goto err;
}
- bio->ptr = ctx;
- bio->init = 1;
+ BIO_set_data(bio, ctx);
+ BIO_set_init(bio, 1);
SSL_set_bio(ctx->ssl_conn, bio, bio);
|