! Copyright (C) 2007 Elie CHAFTARI
! See http://factorcode.org/license.txt for BSD license.
!
! Tested with OpenSSL 0.9.8a_0 on Mac OS X 10.4.9 PowerPC
!
! export LD_LIBRARY_PATH=/opt/local/lib

USING: alien alien.syntax combinators kernel system namespaces
assocs parser sequences words quotations ;

IN: openssl.libssl

<< {
    { [ os openbsd? ] [ ] } ! VM is linked with it
    { [ os winnt? ] [ "libssl" "ssleay32.dll" "cdecl" add-library ] }
    { [ os macosx? ] [ "libssl" "libssl.dylib" "cdecl" add-library ] }
    { [ os unix? ] [ "libssl" "libssl.so" "cdecl" add-library ] }
} cond >>

: X509_FILETYPE_PEM       1 ; inline
: X509_FILETYPE_ASN1      2 ; inline
: X509_FILETYPE_DEFAULT   3 ; inline

: SSL_FILETYPE_ASN1  X509_FILETYPE_ASN1 ; inline
: SSL_FILETYPE_PEM   X509_FILETYPE_PEM ; inline

: SSL_CTRL_NEED_TMP_RSA      1 ; inline
: SSL_CTRL_SET_TMP_RSA       2 ; inline
: SSL_CTRL_SET_TMP_DH        3 ; inline
: SSL_CTRL_SET_TMP_RSA_CB    4 ; inline
: SSL_CTRL_SET_TMP_DH_CB     5 ; inline

: SSL_ERROR_NONE             0 ; inline
: SSL_ERROR_SSL              1 ; inline
: SSL_ERROR_WANT_READ        2 ; inline
: SSL_ERROR_WANT_WRITE       3 ; inline
: SSL_ERROR_WANT_X509_LOOKUP 4 ; inline
: SSL_ERROR_SYSCALL          5 ; inline ! consult errno for details
: SSL_ERROR_ZERO_RETURN      6 ; inline
: SSL_ERROR_WANT_CONNECT     7 ; inline
: SSL_ERROR_WANT_ACCEPT      8 ; inline

! Error messages table
: error-messages ( -- hash )
    H{
        { 0  "SSL_ERROR_NONE" }
        { 1  "SSL_ERROR_SSL" }
        { 2  "SSL_ERROR_WANT_READ" }
        { 3  "SSL_ERROR_WANT_WRITE" }
        { 4  "SSL_ERROR_WANT_X509_LOOKUP" }
        { 5  "SSL_ERROR_SYSCALL" }
        { 6  "SSL_ERROR_ZERO_RETURN" }
        { 7  "SSL_ERROR_WANT_CONNECT" }
        { 8  "SSL_ERROR_WANT_ACCEPT" }
    } ;

TYPEDEF: void* ssl-method
TYPEDEF: void* ssl-ctx
TYPEDEF: void* ssl-pointer

LIBRARY: libssl

! ===============================================
! ssl.h
! ===============================================

FUNCTION: char* SSL_get_version ( ssl-pointer ssl ) ;

! Maps OpenSSL errors to strings
FUNCTION: void SSL_load_error_strings (  ) ;

! Must be called before any other action takes place
FUNCTION: int SSL_library_init (  ) ;

! Sets the default SSL version
FUNCTION: ssl-method SSLv2_client_method (  ) ;

FUNCTION: ssl-method SSLv23_client_method (  ) ;

FUNCTION: ssl-method SSLv23_server_method (  ) ;

FUNCTION: ssl-method SSLv23_method (  ) ; ! SSLv3 but can rollback to v2

FUNCTION: ssl-method SSLv3_client_method (  ) ;

FUNCTION: ssl-method SSLv3_server_method (  ) ;

FUNCTION: ssl-method SSLv3_method (  ) ;

FUNCTION: ssl-method TLSv1_client_method (  ) ;

FUNCTION: ssl-method TLSv1_server_method (  ) ;

FUNCTION: ssl-method TLSv1_method (  ) ;

! Creates the context
FUNCTION: ssl-ctx SSL_CTX_new ( ssl-method method ) ;

! Load the certificates and private keys into the SSL_CTX
FUNCTION: int SSL_CTX_use_certificate_chain_file ( ssl-ctx ctx,
                                                   char* file ) ; ! PEM type

FUNCTION: ssl-pointer SSL_new ( ssl-ctx ctx ) ;

FUNCTION: int SSL_set_fd ( ssl-pointer ssl, int fd ) ;

FUNCTION: void SSL_set_bio ( ssl-pointer ssl, void* rbio, void* wbio ) ;

FUNCTION: int SSL_get_error ( ssl-pointer ssl, int ret ) ;

FUNCTION: void SSL_set_connect_state ( ssl-pointer ssl ) ;

FUNCTION: void SSL_set_accept_state ( ssl-pointer ssl ) ;

FUNCTION: int SSL_connect ( ssl-pointer ssl ) ;

FUNCTION: int SSL_accept ( ssl-pointer ssl ) ;

FUNCTION: int SSL_write ( ssl-pointer ssl, void* buf, int num ) ;

FUNCTION: int SSL_read ( ssl-pointer ssl, void* buf, int num ) ;

FUNCTION: int SSL_shutdown ( ssl-pointer ssl ) ;

: SSL_SENT_SHUTDOWN 1 ;
: SSL_RECEIVED_SHUTDOWN 2 ;

FUNCTION: int SSL_get_shutdown ( ssl-pointer ssl ) ;

FUNCTION: void SSL_free ( ssl-pointer ssl ) ;

FUNCTION: int SSL_want ( ssl-pointer ssl ) ;

: SSL_NOTHING 1 ; inline
: SSL_WRITING 2 ; inline
: SSL_READING 3 ; inline
: SSL_X509_LOOKUP 4 ; inline

FUNCTION: long SSL_get_verify_result ( SSL* ssl ) ;

FUNCTION: X509* SSL_get_peer_certificate ( SSL* s ) ;

FUNCTION: void SSL_CTX_free ( ssl-ctx ctx ) ;

FUNCTION: void RAND_seed ( void* buf, int num ) ;

FUNCTION: int SSL_set_cipher_list ( ssl-pointer ssl, char* str ) ;

FUNCTION: int SSL_use_RSAPrivateKey_file ( ssl-pointer ssl, char* str ) ;

FUNCTION: int SSL_CTX_use_RSAPrivateKey_file ( ssl-ctx ctx, int type ) ;

FUNCTION: int SSL_use_certificate_file ( ssl-pointer ssl,
                                         char* str, int type ) ;

FUNCTION: int SSL_CTX_load_verify_locations ( ssl-ctx ctx, char* CAfile,
                                              char* CApath ) ;

FUNCTION: int SSL_CTX_set_default_verify_paths ( ssl-ctx ctx ) ;

: SSL_VERIFY_NONE 0 ; inline
: SSL_VERIFY_PEER 1 ; inline
: SSL_VERIFY_FAIL_IF_NO_PEER_CERT 2 ; inline
: SSL_VERIFY_CLIENT_ONCE 4 ; inline

FUNCTION: void SSL_CTX_set_verify ( ssl-ctx ctx, int mode, void* callback ) ;

FUNCTION: void SSL_CTX_set_client_CA_list ( ssl-ctx ctx, ssl-pointer list ) ;

FUNCTION: ssl-pointer SSL_load_client_CA_file ( char* file ) ;

! Used to manipulate settings of the SSL_CTX and SSL objects.
! This function should never be called directly
FUNCTION: long SSL_CTX_ctrl ( ssl-ctx ctx, int cmd, long larg, void* parg ) ;

FUNCTION: void SSL_CTX_set_default_passwd_cb ( ssl-ctx ctx, void* cb ) ;

FUNCTION: void SSL_CTX_set_default_passwd_cb_userdata ( ssl-ctx ctx,
                                                        void* u ) ;

FUNCTION: int SSL_CTX_use_PrivateKey_file ( ssl-ctx ctx, char* file,
                                            int type ) ;

! Sets the maximum depth for the allowed ctx certificate chain verification 
FUNCTION: void SSL_CTX_set_verify_depth ( ssl-ctx ctx, int depth ) ;

! Sets DH parameters to be used to be dh.
! The key is inherited by all ssl objects created from ctx
FUNCTION: void SSL_CTX_set_tmp_dh_callback ( ssl-ctx ctx, void* dh ) ;

FUNCTION: void SSL_CTX_set_tmp_rsa_callback ( ssl-ctx ctx, void* rsa ) ;

FUNCTION: void* BIO_f_ssl (  ) ;

: SSL_CTX_set_tmp_rsa ( ctx rsa -- n )
    >r SSL_CTRL_SET_TMP_RSA 0 r> SSL_CTX_ctrl ;

: SSL_CTX_set_tmp_dh ( ctx dh -- n )
    >r SSL_CTRL_SET_TMP_DH 0 r> SSL_CTX_ctrl ;

! ===============================================
! x509.h
! ===============================================

TYPEDEF: void* X509_NAME*

TYPEDEF: void* X509*

FUNCTION: int X509_NAME_get_text_by_NID ( X509_NAME* name, int nid, void* buf, int len ) ;
FUNCTION: X509_NAME* X509_get_subject_name ( X509* a ) ;

! ===============================================
! x509_vfy.h
! ===============================================

<<

SYMBOL: verify-messages

H{ } clone verify-messages set-global

: verify-message ( n -- word ) verify-messages get-global at ;

: X509_V_:
    scan "X509_V_" prepend create-in
    scan-word
    [ 1quotation define-inline ]
    [ verify-messages get set-at ] 2bi ; parsing

>>

X509_V_: OK 0
X509_V_: ERR_UNABLE_TO_GET_ISSUER_CERT 2
X509_V_: ERR_UNABLE_TO_GET_CRL 3
X509_V_: ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE 4
X509_V_: ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE 5
X509_V_: ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY 6
X509_V_: ERR_CERT_SIGNATURE_FAILURE 7
X509_V_: ERR_CRL_SIGNATURE_FAILURE 8
X509_V_: ERR_CERT_NOT_YET_VALID 9
X509_V_: ERR_CERT_HAS_EXPIRED 10
X509_V_: ERR_CRL_NOT_YET_VALID 11
X509_V_: ERR_CRL_HAS_EXPIRED 12
X509_V_: ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD 13
X509_V_: ERR_ERROR_IN_CERT_NOT_AFTER_FIELD 14
X509_V_: ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD 15
X509_V_: ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD 16
X509_V_: ERR_OUT_OF_MEM 17
X509_V_: ERR_DEPTH_ZERO_SELF_SIGNED_CERT 18
X509_V_: ERR_SELF_SIGNED_CERT_IN_CHAIN 19
X509_V_: ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY 20
X509_V_: ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE 21
X509_V_: ERR_CERT_CHAIN_TOO_LONG 22
X509_V_: ERR_CERT_REVOKED 23
X509_V_: ERR_INVALID_CA 24
X509_V_: ERR_PATH_LENGTH_EXCEEDED 25
X509_V_: ERR_INVALID_PURPOSE 26
X509_V_: ERR_CERT_UNTRUSTED 27
X509_V_: ERR_CERT_REJECTED 28
X509_V_: ERR_SUBJECT_ISSUER_MISMATCH 29
X509_V_: ERR_AKID_SKID_MISMATCH 30
X509_V_: ERR_AKID_ISSUER_SERIAL_MISMATCH 31
X509_V_: ERR_KEYUSAGE_NO_CERTSIGN 32
X509_V_: ERR_UNABLE_TO_GET_CRL_ISSUER 33
X509_V_: ERR_UNHANDLED_CRITICAL_EXTENSION 34
X509_V_: ERR_KEYUSAGE_NO_CRL_SIGN 35
X509_V_: ERR_UNHANDLED_CRITICAL_CRL_EXTENSION 36
X509_V_: ERR_INVALID_NON_CA 37
X509_V_: ERR_PROXY_PATH_LENGTH_EXCEEDED 38
X509_V_: ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE 39
X509_V_: ERR_PROXY_CERTIFICATES_NOT_ALLOWED 40
X509_V_: ERR_APPLICATION_VERIFICATION 50

! ===============================================
! obj_mac.h
! ===============================================

: NID_commonName 13 ; inline