158 lines
4.4 KiB
Factor
158 lines
4.4 KiB
Factor
! Copyright (C) 2007 Matthew Willis
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! See http://factorcode.org/license.txt for BSD license.
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USING: cryptlib cryptlib.libcl kernel alien sequences continuations
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byte-arrays namespaces io.buffers math generic io strings
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io.streams.lines io.streams.plain io.streams.duplex combinators
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alien.c-types continuations ;
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IN: cryptlib.streams
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: set-attribute ( handle attribute value -- )
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cryptSetAttribute check-result ;
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: set-attribute-string ( handle attribute value -- )
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dup length swap string>char-alien swap
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cryptSetAttributeString check-result ;
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: default-buffer-size 64 1024 * ; inline
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TUPLE: crypt-stream handle eof? ;
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: init-crypt-stream ( handle -- )
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dup CRYPT_OPTION_NET_READTIMEOUT 1 set-attribute
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CRYPT_SESSINFO_ACTIVE 1 set-attribute ;
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: <crypt-stream> ( handle -- stream )
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dup init-crypt-stream
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default-buffer-size <buffer>
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{ set-crypt-stream-handle set-delegate }
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crypt-stream construct
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dup <line-reader> swap <plain-writer> <duplex-stream> ;
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: check-read ( err -- eof? )
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{
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{ [ dup CRYPT_ERROR_READ = ] [ drop t ] }
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{ [ dup CRYPT_ERROR_COMPLETE = ] [ drop t ] }
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{ [ dup CRYPT_ERROR_TIMEOUT = ] [ drop f ] }
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{ [ t ] [ check-result f ] }
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} cond ;
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: (refill) ( stream -- err )
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dup [ crypt-stream-handle ] keep [ buffer@ ] keep buffer-capacity
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"int" <c-object> dup >r cryptPopData r> *int rot n>buffer ;
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: refill ( stream -- )
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dup (refill) check-read swap set-crypt-stream-eof? ;
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: read-step ( n stream -- )
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dup refill tuck buffer-length 2dup <=
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[ drop swap buffer> % ]
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[
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- swap dup buffer>> % dup crypt-stream-eof?
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[ 2drop ] [ read-step ] if
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] if ;
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M: crypt-stream stream-read ( n stream -- str/f )
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tuck buffer-length 2dup <= [ drop swap buffer> ] [
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pick buffer>> [ % - swap read-step ] "" make f like
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] if ;
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M: crypt-stream stream-read1 ( stream -- ch/f )
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1 swap stream-read [ first ] [ f ] if* ;
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: read-until-step ( seps stream -- sep/f )
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dup refill 2dup buffer-until [ swap % 2nip ]
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[
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% dup crypt-stream-eof? [ 2drop f ] [ read-until-step ] if
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] if* ;
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M: crypt-stream stream-read-until ( seps stream -- str/f sep/f )
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2dup buffer-until [ >r 2nip r> ] [
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[ % read-until-step ] "" make f like swap
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] if* ;
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M: crypt-stream stream-flush ( cl-stream -- )
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crypt-stream-handle cryptFlushData check-result ;
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M: crypt-stream stream-write ( str stream -- )
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crypt-stream-handle over string>char-alien rot length
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"int" <c-object> cryptPushData check-result ;
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M: crypt-stream stream-write1 ( ch stream -- )
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>r 1string r> stream-write ;
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: check-close ( err -- )
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dup CRYPT_ERROR_PARAM1 = [ drop ] [ check-result ] if ;
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M: crypt-stream dispose ( stream -- )
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crypt-stream-handle cryptDestroySession check-close ;
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: create-session ( format -- session )
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"int" <c-object> tuck CRYPT_UNUSED rot
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cryptCreateSession check-result *int ;
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: crypt-client ( server port -- handle )
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CRYPT_SESSION_SSL create-session
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[ CRYPT_SESSINFO_SERVER_PORT rot set-attribute ] keep
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[ CRYPT_SESSINFO_SERVER_NAME rot set-attribute-string ] keep ;
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: crypt-server ( port -- handle )
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CRYPT_SESSION_SSL_SERVER create-session
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[ CRYPT_SESSINFO_SERVER_PORT rot set-attribute ] keep ;
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: crypt-login ( handle user pass -- )
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swap pick CRYPT_SESSINFO_USERNAME rot set-attribute-string
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CRYPT_SESSINFO_PASSWORD swap set-attribute-string ;
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: test-server ( -- stream )
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init
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8888 crypt-server
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dup "user" "pass" crypt-login
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<crypt-stream>
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"Welcome to cryptlib!" over stream-print
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dup stream-flush
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dup stream-readln print
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dispose
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end
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;
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: test-client ( -- stream )
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init
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"localhost" 8888 crypt-client
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dup "user" "pass" crypt-login
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<crypt-stream>
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dup stream-readln print
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"Thanks!" over stream-print
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dup stream-flush
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dispose
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end
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;
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: (rpl) ( stream -- stream )
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readln
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{
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{ [ dup "." = ]
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[ drop dup stream-readln "READ: " write print flush (rpl) ] }
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{ [ dup "q" = ] [ drop ] }
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{ [ t ] [ over stream-print dup stream-flush (rpl) ] }
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} cond ;
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: test-rpl ( client? -- )
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! a server where you type responses to the client manually
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init
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[ "localhost" 8888 crypt-client ] [ 8888 crypt-server ] if
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dup "user" "pass" crypt-login
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<crypt-stream>
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(rpl)
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dispose
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end
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;
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