1 /* Copyright 2015 Ismael Ferreras Morezuelas <swyterzone+ros@gmail.com>
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 * This file transparently wraps lazy-loading hooks in the schannel
20 * implementation on top of the PolarSSL/mbedTLS open source library.
23 static void *libmbedtls_handle
;
25 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
27 MAKE_FUNCPTR(mbedtls_ctr_drbg_free
)
28 MAKE_FUNCPTR(mbedtls_ctr_drbg_init
)
29 MAKE_FUNCPTR(mbedtls_ctr_drbg_random
)
30 MAKE_FUNCPTR(mbedtls_entropy_free
)
31 MAKE_FUNCPTR(mbedtls_entropy_func
)
32 MAKE_FUNCPTR(mbedtls_entropy_init
)
33 MAKE_FUNCPTR(mbedtls_ssl_ciphersuite_from_id
)
34 MAKE_FUNCPTR(mbedtls_ssl_free
)
35 MAKE_FUNCPTR(mbedtls_ssl_get_ciphersuite
)
36 MAKE_FUNCPTR(mbedtls_ssl_get_ciphersuite_id
)
37 MAKE_FUNCPTR(mbedtls_ssl_get_max_frag_len
)
38 MAKE_FUNCPTR(mbedtls_ssl_get_version
)
39 MAKE_FUNCPTR(mbedtls_ssl_handshake
)
40 MAKE_FUNCPTR(mbedtls_ssl_init
)
41 MAKE_FUNCPTR(mbedtls_ssl_read
)
42 MAKE_FUNCPTR(mbedtls_ssl_conf_authmode
)
43 MAKE_FUNCPTR(mbedtls_ssl_set_bio
)
44 MAKE_FUNCPTR(mbedtls_ssl_conf_endpoint
)
45 MAKE_FUNCPTR(mbedtls_ssl_set_hostname
)
46 MAKE_FUNCPTR(mbedtls_ssl_conf_max_version
)
47 MAKE_FUNCPTR(mbedtls_ssl_conf_min_version
)
48 MAKE_FUNCPTR(mbedtls_ssl_conf_rng
)
49 MAKE_FUNCPTR(mbedtls_ssl_write
)
50 MAKE_FUNCPTR(mbedtls_ssl_get_peer_cert
)
51 MAKE_FUNCPTR(mbedtls_ssl_config_init
)
52 MAKE_FUNCPTR(mbedtls_ssl_config_free
)
53 MAKE_FUNCPTR(mbedtls_ssl_config_defaults
)
54 MAKE_FUNCPTR(mbedtls_ssl_conf_dbg
)
55 MAKE_FUNCPTR(mbedtls_ssl_setup
)
56 MAKE_FUNCPTR(mbedtls_cipher_info_from_type
)
57 MAKE_FUNCPTR(mbedtls_md_info_from_type
)
58 MAKE_FUNCPTR(mbedtls_pk_get_bitlen
)
59 MAKE_FUNCPTR(mbedtls_ctr_drbg_seed
)
63 /* replace the initialization functions by our own, specially tailored, ones */
65 BOOL
schan_imp_init(void)
67 libmbedtls_handle
= wine_dlopen(SONAME_LIBMBEDTLS
, RTLD_NOW
, NULL
, 0);
69 if (!libmbedtls_handle
)
71 WARN("Failed to load the mbedTLS dynamic library (" SONAME_LIBMBEDTLS
").\n");
75 #define LOAD_FUNCPTR(f) \
76 if (!(p##f = wine_dlsym(libmbedtls_handle, #f, NULL, 0))) \
78 ERR("Failed to retrieve function %s from the mbedTLS dynamic library (" SONAME_LIBMBEDTLS ")\n", #f); \
82 LOAD_FUNCPTR(mbedtls_ctr_drbg_free
)
83 LOAD_FUNCPTR(mbedtls_ctr_drbg_init
)
84 LOAD_FUNCPTR(mbedtls_ctr_drbg_random
)
85 LOAD_FUNCPTR(mbedtls_entropy_free
)
86 LOAD_FUNCPTR(mbedtls_entropy_func
)
87 LOAD_FUNCPTR(mbedtls_entropy_init
)
88 LOAD_FUNCPTR(mbedtls_ssl_ciphersuite_from_id
)
89 LOAD_FUNCPTR(mbedtls_ssl_free
)
90 LOAD_FUNCPTR(mbedtls_ssl_get_ciphersuite
)
91 LOAD_FUNCPTR(mbedtls_ssl_get_ciphersuite_id
)
92 LOAD_FUNCPTR(mbedtls_ssl_get_max_frag_len
)
93 LOAD_FUNCPTR(mbedtls_ssl_get_version
)
94 LOAD_FUNCPTR(mbedtls_ssl_handshake
)
95 LOAD_FUNCPTR(mbedtls_ssl_init
)
96 LOAD_FUNCPTR(mbedtls_ssl_read
)
97 LOAD_FUNCPTR(mbedtls_ssl_conf_authmode
)
98 LOAD_FUNCPTR(mbedtls_ssl_set_bio
)
99 LOAD_FUNCPTR(mbedtls_ssl_conf_endpoint
)
100 LOAD_FUNCPTR(mbedtls_ssl_set_hostname
)
101 LOAD_FUNCPTR(mbedtls_ssl_conf_max_version
)
102 LOAD_FUNCPTR(mbedtls_ssl_conf_min_version
)
103 LOAD_FUNCPTR(mbedtls_ssl_conf_rng
)
104 LOAD_FUNCPTR(mbedtls_ssl_write
)
105 LOAD_FUNCPTR(mbedtls_ssl_get_peer_cert
)
106 LOAD_FUNCPTR(mbedtls_ssl_config_init
)
107 LOAD_FUNCPTR(mbedtls_ssl_config_free
)
108 LOAD_FUNCPTR(mbedtls_ssl_config_defaults
)
109 LOAD_FUNCPTR(mbedtls_ssl_conf_dbg
)
110 LOAD_FUNCPTR(mbedtls_ssl_setup
)
111 LOAD_FUNCPTR(mbedtls_cipher_info_from_type
)
112 LOAD_FUNCPTR(mbedtls_md_info_from_type
)
113 LOAD_FUNCPTR(mbedtls_pk_get_bitlen
)
114 LOAD_FUNCPTR(mbedtls_ctr_drbg_seed
)
122 wine_dlclose(libmbedtls_handle
, NULL
, 0);
123 libmbedtls_handle
= NULL
;
128 void schan_imp_deinit(void)
130 wine_dlclose(libmbedtls_handle
, NULL
, 0);
131 libmbedtls_handle
= NULL
;
134 /* now that we have overridden the initialization functions
135 cancel out the original stubs used when dynamically linking */
137 #define schan_imp_init schan_imp_init_unused
138 #define schan_imp_deinit schan_imp_deinit_unused
140 /* seamlessly redirect the function pointers with some preprocessor magic */
142 #define mbedtls_ctr_drbg_free pmbedtls_ctr_drbg_free
143 #define mbedtls_ctr_drbg_init pmbedtls_ctr_drbg_init
144 #define mbedtls_ctr_drbg_random pmbedtls_ctr_drbg_random
145 #define mbedtls_entropy_free pmbedtls_entropy_free
146 #define mbedtls_entropy_func pmbedtls_entropy_func
147 #define mbedtls_entropy_init pmbedtls_entropy_init
148 #define mbedtls_ssl_ciphersuite_from_id pmbedtls_ssl_ciphersuite_from_id
149 #define mbedtls_ssl_free pmbedtls_ssl_free
150 #define mbedtls_ssl_get_ciphersuite pmbedtls_ssl_get_ciphersuite
151 #define mbedtls_ssl_get_ciphersuite_id pmbedtls_ssl_get_ciphersuite_id
152 #define mbedtls_ssl_get_max_frag_len pmbedtls_ssl_get_max_frag_len
153 #define mbedtls_ssl_get_version pmbedtls_ssl_get_version
154 #define mbedtls_ssl_handshake pmbedtls_ssl_handshake
155 #define mbedtls_ssl_init pmbedtls_ssl_init
156 #define mbedtls_ssl_read pmbedtls_ssl_read
157 #define mbedtls_ssl_conf_authmode pmbedtls_ssl_conf_authmode
158 #define mbedtls_ssl_set_bio pmbedtls_ssl_set_bio
159 #define mbedtls_ssl_conf_endpoint pmbedtls_ssl_conf_endpoint
160 #define mbedtls_ssl_set_hostname pmbedtls_ssl_set_hostname
161 #define mbedtls_ssl_conf_max_version pmbedtls_ssl_conf_max_version
162 #define mbedtls_ssl_conf_min_version pmbedtls_ssl_conf_min_version
163 #define mbedtls_ssl_conf_rng pmbedtls_ssl_conf_rng
164 #define mbedtls_ssl_write pmbedtls_ssl_write
165 #define mbedtls_ssl_get_peer_cert pmbedtls_ssl_get_peer_cert
166 #define mbedtls_ssl_config_init pmbedtls_ssl_config_init
167 #define mbedtls_ssl_config_free pmbedtls_ssl_config_free
168 #define mbedtls_ssl_config_defaults pmbedtls_ssl_config_defaults
169 #define mbedtls_ssl_conf_dbg pmbedtls_ssl_conf_dbg
170 #define mbedtls_ssl_setup pmbedtls_ssl_setup
171 #define mbedtls_cipher_info_from_type pmbedtls_cipher_info_from_type
172 #define mbedtls_md_info_from_type pmbedtls_md_info_from_type
173 #define mbedtls_pk_get_bitlen pmbedtls_pk_get_bitlen
174 #define mbedtls_ctr_drbg_seed pmbedtls_ctr_drbg_seed
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