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sk_330490's avatar
sk_330490
Icon for Nimbostratus rankNimbostratus
Nov 15, 2017

More details on F5 APM getsid and getkey

I have tried searching for more info on getsid and getkey for ACCESS::user function. What does these do and what are the differences? I can see only a one liner on F5 page. Can anyone help pls. I...
application delivery
BIG-IP Access Policy Manager (APM)
iRules
Lee_Sutcliffe's avatar
Lee_Sutcliffe
Icon for Nacreous rankNacreous
Nov 15, 2017

These are related to the outputs from the 

sessiondump
command line utility. (or GUI equivalent)

https://devcentral.f5.com/wiki/iRules.ACCESS__user.ashx

https://support.f5.com/kb/en-us/products/big-ip_apm/manuals/product/apm-visual-policy-editor-12-0-0/6.html

set user_key {}
sets a variable 'user_key' as an empty list

append user_key $http_user "." $user_hash   MD5 hash / hex encoded userpassword+IP+URL
appends the list with other information based on other variables (defined elsewhere) 

set apm_cookie_list [ACCESS::user getsid $user_key]
returns the list of created external SIDs which is associated wit the specified key and stores in variable 'apm_cookie'

set apm_cookie [ACCESS::user getkey [lindex $apm_cookie_list 0]]
Returns the original SID for specified hash of SID (uses list to return the key)

HTTP::cookie insert name MRHSession value $apm_cookie
inserts a cookie based on the returned session values