FreeRDP
opensslcompat.h
1 
20 #ifndef FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H
21 #define FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H
22 
23 #include <winpr/winpr.h>
24 #include <winpr/assert.h>
25 #include <freerdp/config.h>
26 
27 #include <freerdp/api.h>
28 
29 #include <openssl/x509.h>
30 
31 #ifdef WITH_OPENSSL
32 
33 #include <openssl/opensslv.h>
34 
35 #if OPENSSL_VERSION_NUMBER < 0x10100000L || \
36  (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
37 
38 #include <openssl/bio.h>
39 #include <openssl/rsa.h>
40 #include <openssl/bn.h>
41 
42 #define BIO_get_data(b) (b)->ptr
43 #define BIO_set_data(b, v) (b)->ptr = v
44 #define BIO_get_init(b) (b)->init
45 #define BIO_set_init(b, v) (b)->init = v
46 #define BIO_get_next(b, v) (b)->next_bio
47 #define BIO_set_next(b, v) (b)->next_bio = v
48 #define BIO_get_shutdown(b) (b)->shutdown
49 #define BIO_set_shutdown(b, v) (b)->shutdown = v
50 #define BIO_get_retry_reason(b) (b)->retry_reason
51 #define BIO_set_retry_reason(b, v) (b)->retry_reason = v
52 
53 #define BIO_meth_set_write(b, f) (b)->bwrite = (f)
54 #define BIO_meth_set_read(b, f) (b)->bread = (f)
55 #define BIO_meth_set_puts(b, f) (b)->bputs = (f)
56 #define BIO_meth_set_gets(b, f) (b)->bgets = (f)
57 #define BIO_meth_set_ctrl(b, f) (b)->ctrl = (f)
58 #define BIO_meth_set_create(b, f) (b)->create = (f)
59 #define BIO_meth_set_destroy(b, f) (b)->destroy = (f)
60 #define BIO_meth_set_callback_ctrl(b, f) (b)->callback_ctrl = (f)
61 
62 BIO_METHOD* BIO_meth_new(int type, const char* name);
63 void RSA_get0_key(const RSA* r, const BIGNUM** n, const BIGNUM** e, const BIGNUM** d);
64 
65 #endif /* OPENSSL < 1.1.0 || LIBRESSL */
66 #endif /* WITH_OPENSSL */
67 
68 /* Drop in replacement for older OpenSSL and LibRESSL */
69 #if defined(LIBRESSL_VERSION_NUMBER) || \
70  (defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER < 0x1010000fL))
71 
72 static INLINE STACK_OF(X509) * sk_X509_deep_copy(const STACK_OF(X509) * sk,
73  X509* (*copyfunc)(const X509*),
74  void (*freefunc)(X509*))
75 {
76  WINPR_ASSERT(copyfunc);
77  WINPR_ASSERT(freefunc);
78 
79  STACK_OF(X509)* stack = sk_X509_new_null();
80  if (!stack)
81  return NULL;
82 
83  if (sk)
84  {
85  for (int i = 0; i < sk_X509_num(sk); i++)
86  {
87  X509* cert = sk_X509_value(sk, i);
88  X509* copy = copyfunc(cert);
89  if (!copy)
90  goto fail;
91  const int rc = sk_X509_push(stack, copy);
92  if (rc <= 0)
93  goto fail;
94  }
95  }
96 
97  return stack;
98 
99 fail:
100  sk_X509_pop_free(stack, freefunc);
101  return NULL;
102 }
103 #endif
104 
105 /* OpenSSL API is not const consistent.
106  * While the TYPE_dup function take non const arguments
107  * the TYPE_sk versions require the arguments to be const...
108  */
109 static INLINE X509* X509_const_dup(const X509* x509)
110 {
111  X509* ptr = WINPR_CAST_CONST_PTR_AWAY(x509, X509*);
112  return X509_dup(ptr);
113 }
114 #endif /* FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H */