DevHlp Security

This is the kernel support for the security enabling services.

C




Assembler




Parameters

 * DHSEC_SETIMPORT : This function will load the ISS Security Event Service Routine Table into the kernel. Each service routine will be called upon a certain API event, such as opening a file, or starting a program. There are also service routines to capture each DOS API routine (if you are interested in this, and you are considered trustworthy by me, i.e. well-known in the OS/2 hacker’s scene, I can give you code for these rather tricky routines – collectors and gatherers stay off!).

EAX = 073ae3627h special function key ECX = FLAT (linear) address of table to be submitted DL = 044h


 * DHSEC_GETEXPORT : This function will return the table of security helper functions for file access. These helpers provide low level access to any file in the system which is not controlled by security services (unlike the normal DOS API).

EAX = 048a78df8h special function key ECX = FLAT (linear) address of a buffer to receive the 40 byte table DL = 044h


 * DHSEC_GETINFO : Internally used function, information withheld intentionally.


 * DHSEC_AUDITHOOK : Internally used function, information withheld intentionally.


 * DHSEC_TRUSTEDPATHNOTIFY : Internally used function, information withheld intentionally.


 * DHSEC_IMPORT_PDF : Special purpose function for an IBM product, information withheld intentionally.


 * DHSEC_IMPORT_AV : Special purpose function for an IBM product, information withheld intentionally.

Assembler

 * CY=0, AX = 0, okay
 * CY=1, AX = APIRET error code

Data structures
It is beyond the scope of this text to explain all details of SES. Consult the Red Book SG2446-68, also available via DevCon. IBM has decided, as of SG2446-68, appendix A, not to publish the SES KPI.

Restrictions
Valid at any time.