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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(697) 評論(0) 編輯收藏引用所屬分類: Server

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