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			cyrus_sasl API使用方法
		
            
		
		
            
				
				
				
				
						/*
						?This?is?a?proposed?C?API?for?support?of?SASL
            ?*
            ?*********************************IMPORTANT*******************************
            ?*?send?email?to?chris.newman@innosoft.com?and?cyrus-bugs@andrew.cmu.edu?*
            ?*?if?you?need?to?add?new?error?codes,?callback?types,?property?values,??*
            ?*?etc.???It?is?important?to?keep?the?multiple?implementations?of?this???*
            ?*?API?from?diverging.???????????????????????????????????????????????????*
            ?*********************************IMPORTANT*******************************
            ?*
            ?*?Basic?Type?Summary:
            ?*??sasl_conn_t???????Context?for?a?SASL?connection?negotiation
            ?*??sasl_ssf_t????????Security?layer?Strength?Factor
            ?*??sasl_callback_t???A?typed?client/server?callback?function?and?context
            ?*??sasl_interact_t???A?client?interaction?descriptor
            ?*??sasl_secret_t?????A?client?password
            ?*??sasl_rand_t???????Random?data?context?structure
            ?*??sasl_security_properties_t??An?application's?required?security?level
            ?*
            ?*?Callbacks:
            ?*??sasl_getopt_t?????client/server:?Get?an?option?value
            ?*??sasl_logmsg_t?????client/server:?Log?message?handler
            ?*??sasl_getsimple_t??client:?Get?user/language?list
            ?*??sasl_getsecret_t??client:?Get?authentication?secret
            ?*??sasl_chalprompt_t?client:?Display?challenge?and?prompt?for?response
            ?*
            ?*?Server?only?Callbacks:
            ?*??sasl_authorize_t?????????????user?authorization?policy?callback
            ?*??sasl_server_userdb_checkpass?check?password?and?auxprops?in?userdb
            ?*??sasl_server_userdb_setpass???set?password?in?userdb
            ?*??sasl_server_canon_user???????canonicalize?username?routine
            ?*
            ?*?Client/Server?Function?Summary:
            ?*??sasl_done?????????Release?all?SASL?global?state
            ?*??sasl_dispose??????Connection?done:?Dispose?of?sasl_conn_t
            ?*??sasl_getprop??????Get?property?(e.g.,?user?name,?security?layer?info)
            ?*??sasl_setprop??????Set?property?(e.g.,?external?ssf)
            ?*??sasl_errdetail????Generate?string?from?last?error?on?connection
            ?*??sasl_errstring????Translate?sasl?error?code?to?a?string
            ?*??sasl_encode???????Encode?data?to?send?using?security?layer
            ?*??sasl_decode???????Decode?data?received?using?security?layer
            ?*??
            ?*?Utility?functions:
            ?*??sasl_encode64?????Encode?data?to?send?using?MIME?base64?encoding
            ?*??sasl_decode64?????Decode?data?received?using?MIME?base64?encoding
            ?*??sasl_erasebuffer??Erase?a?buffer
            ?*
            ?*?Client?Function?Summary:
            ?*??sasl_client_init??Load?and?initialize?client?plug-ins?(call?once)
            ?*??sasl_client_new???Initialize?client?connection?context:?sasl_conn_t
            ?*??sasl_client_start?Select?mechanism?for?connection
            ?*??sasl_client_step??Perform?one?authentication?step
            ?*
            ?*?Server?Function?Summary
            ?*??sasl_server_init??Load?and?initialize?server?plug-ins?(call?once)
            ?*??sasl_server_new???Initialize?server?connection?context:?sasl_conn_t
            ?*??sasl_listmech?????Create?list?of?available?mechanisms
            ?*??sasl_server_start?Begin?an?authentication?exchange
            ?*??sasl_server_step??Perform?one?authentication?exchange?step
            ?*??sasl_checkpass????Check?a?plaintext?passphrase
            ?*??sasl_checkapop????Check?an?APOP?challenge/response?(uses?pseudo?"APOP"
            ?*????????????????????mechanism?similar?to?CRAM-MD5?mechanism;?optional)
            ?*??sasl_user_exists??Check?if?user?exists
            ?*??sasl_setpass??????Change?a?password?or?add?a?user?entry
            ?*??sasl_auxprop_request??Request?auxiliary?properties
            ?*??sasl_auxprop_getctx???Get?auxiliary?property?context?for?connection
            ?*??sasl_auxprop_store????Store?a?set?of?auxiliary?properties
            ?*
            ?*?Basic?client?model:
            ?*??1.?client?calls?sasl_client_init()?at?startup?to?load?plug-ins
            ?*??2.?when?connection?formed,?call?sasl_client_new()
            ?*??3.?once?list?of?supported?mechanisms?received?from?server,?client
            ?*?????calls?sasl_client_start().??goto?4a
            ?*??4.?client?calls?sasl_client_step()
            ?*?[4a.?If?SASL_INTERACT,?fill?in?prompts?and?goto?4
            ?*??????--?doesn't?happen?if?callbacks?provided]
            ?*??4b.?If?SASL?error,?goto?7?or?3
            ?*??4c.?If?SASL_OK,?continue?or?goto?6?if?last?server?response?was?success
            ?*??5.?send?message?to?server,?wait?for?response
            ?*??5a.?On?data?or?success?with?server?response,?goto?4
            ?*??5b.?On?failure?goto?7?or?3
            ?*??5c.?On?success?with?no?server?response?continue
            ?*??6.?continue?with?application?protocol?until?connection?closes
            ?*?????call?sasl_getprop/sasl_encode/sasl_decode()?if?using?security?layer
            ?*??7.?call?sasl_dispose(),?may?return?to?step?2
            ?*??8.?call?sasl_done()?when?program?terminates
            ?*
            ?*?Basic?Server?model:
            ?*??1.?call?sasl_server_init()?at?startup?to?load?plug-ins
            ?*??2.?On?connection,?call?sasl_server_new()
            ?*??3.?call?sasl_listmech()?and?send?list?to?client]
            ?*??4.?after?client?AUTH?command,?call?sasl_server_start(),?goto?5a
            ?*??5.?call?sasl_server_step()
            ?*??5a.?If?SASL_CONTINUE,?output?to?client,?wait?response,?repeat?5
            ?*??5b.?If?SASL?error,?then?goto?7
            ?*??5c.?If?SASL_OK,?move?on
            ?*??6.?continue?with?application?protocol?until?connection?closes
            ?*?????call?sasl_getprop?to?get?username
            ?*?????call?sasl_getprop/sasl_encode/sasl_decode()?if?using?security?layer
            ?*??7.?call?sasl_dispose(),?may?return?to?step?2
            ?*??8.?call?sasl_done()?when?program?terminates
            ?*
            ?*************************************************            
				            
		
            從sasl.h中截取的。
		
            
			posted on 2006-03-19 11:21 HuYi 閱讀(684) 評論(0)  編輯 收藏 引用  所屬分類: Server 
		
            
	
            
	
	


	


            
	    
    




            






            

				
			
            
			
            
				
					

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