This routine is called when a user reads from an MVS data set or
data set member. The codes and fields used are shown in Table 1.
Table 1. Codes and fields for validate read requestWhen Invoked |
Field Name |
Description |
Contents |
---|
On entry |
FEDSRQ |
Request code |
12 |
On entry |
FEDSM |
Client machine name |
Character string |
On entry |
FEDSIA |
Client IP address |
Number |
On entry |
FEDSU |
Client user ID number |
Number |
On entry |
FEDSG |
Client group ID number |
Number |
On entry |
FEDSMU |
z/OS user ID |
Character string |
On entry |
FEDSDN |
MVS data set name |
Character string |
On entry |
FEDSMN |
MVS data set member name |
Character string |
On entry |
FEDSXS |
User Exit Block |
Address |
On entry |
FEDSXG |
Global Exit Block |
Address |
On entry |
FEDSTYPE |
File type |
Number |
On entry |
FEDSIA6 |
Client IP address |
Number (128-bit Internet address,
for Internet Protocol version 6 users) |
On exit |
FEDSXD |
Exit-supplied error message |
Message Structure |
On exit |
FEDSRC |
Return code |
- 0
- Access allowed
- 4
- Access denied
|