1 (* HCoop
Domtool (http
://hcoop
.sourceforge
.net
/)
2 * Copyright (c
) 2006, Adam Chlipala
4 * This program is free software
; you can redistribute it
and/or
5 * modify it under the terms
of the GNU General Public License
6 * as published by the Free Software Foundation
; either version
2
7 * of the License
, or (at your option
) any later version
.
9 * This program is distributed
in the hope that it will be useful
,
10 * but WITHOUT ANY WARRANTY
; without even the implied warranty
of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
. See the
12 * GNU General Public License for more details
.
14 * You should have received a copy
of the GNU General Public License
15 * along
with this program
; if not
, write to the Free Software
16 * Foundation
, Inc
., 51 Franklin Street
, Fifth Floor
, Boston
, MA
02110-1301, USA
.
21 structure OpenSSL
:> OPENSSL
= struct
23 val () = (F_OpenSSL_SML_init
.f
' ();
24 F_OpenSSL_SML_load_error_strings
.f
' ();
25 F_OpenSSL_SML_load_BIO_strings
.f
' ())
27 exception OpenSSL
of string
29 type context
= (ST_ssl_ctx_st
.tag
, C_Int
.rw
) C_Int
.su_obj C_Int
.ptr
'
30 type bio
= (ST_bio_st
.tag
, C_Int
.rw
) C_Int
.su_obj C_Int
.ptr
'
35 val err
= F_OpenSSL_SML_get_error
.f ()
37 val lib
= F_OpenSSL_SML_lib_error_string
.f err
38 val func
= F_OpenSSL_SML_func_error_string
.f err
39 val reason
= F_OpenSSL_SML_reason_error_string
.f err
43 if C
.Ptr
.isNull lib
then
46 (print (ZString
.toML lib
);
48 if C
.Ptr
.isNull func
then
51 (print (ZString
.toML func
);
53 if C
.Ptr
.isNull reason
then
56 print (ZString
.toML reason
)
59 val readBuf
: (C
.uchar
, C
.rw
) C
.obj C
.ptr
' = C
.alloc
' C
.S
.uchar (Word.fromInt Config
.bufSize
)
60 val bufSize
= Int32
.fromInt Config
.bufSize
61 val one
= Int32
.fromInt
1
62 val four
= Int32
.fromInt
4
64 val eight
= Word.fromInt
8
65 val sixteen
= Word.fromInt
16
66 val twentyfour
= Word.fromInt
24
68 val mask1
= Word32
.fromInt
255
72 val r
= F_OpenSSL_SML_read
.f
' (bio
, C
.Ptr
.inject
' readBuf
, one
)
78 raise OpenSSL
"BIO_read failed")
80 SOME (chr (Compat
.Char.toInt (C
.Get
.uchar
'
81 (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 0)))))
84 val charToWord
= Word32
.fromLargeWord
o Compat
.Char.toLargeWord
88 val r
= F_OpenSSL_SML_read
.f
' (bio
, C
.Ptr
.inject
' readBuf
, four
)
94 raise OpenSSL
"BIO_read failed")
98 (charToWord (C
.Get
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 0))),
100 (Word32
.<< (charToWord (C
.Get
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 1))),
103 (Word32
.<< (charToWord (C
.Get
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 2))),
105 Word32
.<< (charToWord (C
.Get
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 3))),
109 fun readLen (bio
, len
) =
112 if len
> Config
.bufSize
then
113 C
.alloc
' C
.S
.uchar (Word.fromInt len
)
118 if len
> Config
.bufSize
then
123 fun loop (buf
', needed
) =
125 val r
= F_OpenSSL_SML_read
.f
' (bio
, C
.Ptr
.inject
' buf
, Int32
.fromInt len
)
132 raise OpenSSL
"BIO_read failed")
133 else if r
= needed
then
134 SOME (CharVector
.tabulate (Int32
.toInt needed
,
135 fn i
=> chr (Compat
.Char.toInt (C
.Get
.uchar
'
136 (C
.Ptr
.sub
' C
.S
.uchar (buf
, i
))))))
138 loop (C
.Ptr
.|
+! C
.S
.uchar (buf
', Int32
.toInt r
), needed
- r
)
141 loop (buf
, Int32
.fromInt len
)
147 val r
= F_OpenSSL_SML_read
.f
' (bio
, C
.Ptr
.inject
' readBuf
, bufSize
)
153 raise OpenSSL
"BIO_read failed")
155 SOME (CharVector
.tabulate (Int32
.toInt r
,
156 fn i
=> chr (Compat
.Char.toInt (C
.Get
.uchar
'
157 (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, i
))))))
163 | SOME len
=> readLen (bio
, len
)
165 fun writeChar (bio
, ch
) =
167 val _
= C
.Set
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 0),
168 Compat
.Char.fromInt (ord ch
))
172 val r
= F_OpenSSL_SML_write
.f
' (bio
, C
.Ptr
.inject
' readBuf
, one
)
177 (ssl_err
"BIO_write";
178 raise OpenSSL
"BIO_write")
186 val wordToChar
= Compat
.Char.fromLargeWord
o Word32
.toLargeWord
188 fun writeInt (bio
, n
) =
190 val w
= Word32
.fromInt n
192 val _
= (C
.Set
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 0),
193 wordToChar (Word32
.andb (w
, mask1
)));
194 C
.Set
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 1),
195 wordToChar (Word32
.andb (Word32
.>> (w
, eight
), mask1
)));
196 C
.Set
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 2),
197 wordToChar (Word32
.andb (Word32
.>> (w
, sixteen
), mask1
)));
198 C
.Set
.uchar
' (C
.Ptr
.sub
' C
.S
.uchar (readBuf
, 3),
199 wordToChar (Word32
.andb (Word32
.>> (w
, twentyfour
), mask1
))))
201 fun trier (buf
, count
) =
203 val r
= F_OpenSSL_SML_write
.f
' (bio
, C
.Ptr
.inject
' buf
, count
)
206 (ssl_err
"BIO_write";
207 raise OpenSSL
"BIO_write")
208 else if r
= count
then
211 trier (C
.Ptr
.|
+! C
.S
.uchar (buf
, Int32
.toInt r
), count
- r
)
217 fun writeString
' (bio
, s
) =
219 val buf
= ZString
.dupML
' s
221 if F_OpenSSL_SML_puts
.f
' (bio
, buf
) <= 0 then
224 raise OpenSSL
"BIO_puts")
229 fun writeString (bio
, s
) =
230 (writeInt (bio
, size s
);
231 writeString
' (bio
, s
))
233 fun context
printErr (chain
, key
, root
) =
235 val context
= F_OpenSSL_SML_CTX_new
.f
' (F_OpenSSL_SML_SSLv23_method
.f
' ())
237 if C
.Ptr
.isNull
' context
then
238 (if printErr
then ssl_err
"Error creating SSL context" else ();
239 raise OpenSSL
"Can't create SSL context")
240 else if F_OpenSSL_SML_use_certificate_chain_file
.f
' (context
,
241 ZString
.dupML
' chain
)
243 (if printErr
then ssl_err
"Error using certificate chain" else ();
244 F_OpenSSL_SML_CTX_free
.f
' context
;
245 raise OpenSSL
"Can't load certificate chain")
246 else if F_OpenSSL_SML_use_PrivateKey_file
.f
' (context
,
249 (if printErr
then ssl_err
"Error using private key" else ();
250 F_OpenSSL_SML_CTX_free
.f
' context
;
251 raise OpenSSL
"Can't load private key")
252 else if F_OpenSSL_SML_load_verify_locations
.f
' (context
,
254 C
.Ptr
.null
') = 0 then
255 (if printErr
then ssl_err
"Error loading trust store" else ();
256 F_OpenSSL_SML_CTX_free
.f
' context
;
257 raise OpenSSL
"Can't load trust store")
262 fun connect (context
, hostname
) =
264 val bio
= F_OpenSSL_SML_new_ssl_connect
.f
' context
266 if C
.Ptr
.isNull
' bio
then
267 (ssl_err ("Error initializating connection to " ^ hostname
);
268 F_OpenSSL_SML_free_all
.f
' bio
;
269 raise OpenSSL
"Can't initialize connection")
270 else if F_OpenSSL_SML_set_conn_hostname
.f
' (bio
, ZString
.dupML
' hostname
) = 0 then
271 (ssl_err ("Error setting hostname: " ^ hostname
);
272 F_OpenSSL_SML_free_all
.f
' bio
;
273 raise OpenSSL
"Can't set hostname")
274 else if F_OpenSSL_SML_do_connect
.f
' bio
<= 0 then
275 (ssl_err ("Error connecting to " ^ hostname
);
276 F_OpenSSL_SML_free_all
.f
' bio
;
277 raise OpenSSL
"Can't connect")
282 fun close bio
= F_OpenSSL_SML_free_all
.f
' bio
284 fun listen (context
, port
) =
286 val port
= ZString
.dupML
' (Int.toString port
)
287 val listener
= F_OpenSSL_SML_new_accept
.f
' (context
, port
)
290 if C
.Ptr
.isNull
' listener
then
291 (ssl_err
"Null listener";
292 raise OpenSSL
"Null listener")
293 else if F_OpenSSL_SML_do_accept
.f
' listener
<= 0 then
294 (ssl_err
"Error initializing listener";
296 raise OpenSSL
"Can't initialize listener")
303 fun accept listener
=
304 if F_OpenSSL_SML_do_accept
.f
' listener
<= 0 then
308 val bio
= F_OpenSSL_SML_pop
.f
' listener
310 if C
.Ptr
.isNull
' bio
then
311 (ssl_err
"Null accepted";
312 raise OpenSSL
"Null accepted")
313 else if F_OpenSSL_SML_do_handshake
.f
' bio
<= 0 then
314 (ssl_err
"Handshake failed";
315 raise OpenSSL
"Handshake failed")
322 val ssl
= F_OpenSSL_SML_get_ssl
.f
' bio
323 val _
= if C
.Ptr
.isNull
' ssl
then
324 raise OpenSSL
"Null SSL"
327 val subj
= F_OpenSSL_SML_get_peer_name
.f
' ssl
329 if C
.Ptr
.isNull
' subj
then
330 raise OpenSSL
"Null CN result"