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Two or more channels are needed for PMDF for OpenVMS to communicate using Encompass UUCP. A single common channel is used for all incoming messages, no matter from what system they originated. An additional channel is needed for each system connected via UUCP. The incoming message channel is slave-only and should never have any messages queued to it. The outgoing message channels are master-only.
25.1.1.1 Adding the Channel to the Configuration File
The entry for the incoming message channel should look like this (do
not use a different channel name):
vn_gateway uucp slave vn-gateway |
vn_gateway uucp slave vn-gateway |
Entries for outgoing UUCP message channels will vary depending on the name of the system to which the channel connects. For example, suppose the remote system's official name is YMIR.CLAREMONT.EDU and its UUCP name is simply ymir. A channel definition for this system might be:
vn_ymir uucp master ymir-uucp ymir.claremont.edu ymir |
In this case the name of the remote host to which the channel connects is derived from the channel name. When a second channel connecting to the same remote host is needed, it can be defined as follows:
vn_second uucp master daemon ymir ymir-second ymir.claremont.edu ymir |
In this case the daemon
channel keyword has been used to explicitly specify the name of the
remote system to which the channel connects.
If the official name and UUCP name are the same, ymir, the entry can be simplified:
vn_ymir uucp master ymir |
Rewrite rules should be set up to point at the proper outgoing channel using the channel's official host name.
25.1.1.2 Setting Up the Master Program
Once the Encompass UUCP channels have been added to the configuration
file, the UUCP master program should be ready to use. No additional
log, script or option files are needed; all such information is part of
Encompass UUCP.
25.1.1.3 Setting Up the Slave Program
The uucp_slave
program is used as the rmail
image. The file that is named UUCP_BIN:uuxqt_dcl.com
must be edited to add an rmail
command that invokes uucp_slave
. As of Encompass UUCP V1.1, the change consisted of removing all the code between the labels DO_RMAIL:
and FAILED_RMAIL:
and replacing it with the following:
$ on warning then goto failed_rmail
$ pmdf_privilege_save = f$setprv("BYPASS, CMKRNL")
$ rmail = "$PMDF_EXE:uucp_slave.exe"
$ define/user SYS$INPUT 'infile'
$ rmail "''addressee'"
$ delete 'infile';0
$ delete 'xfile'
$ pmdf_privilege_save = f$setprv(pmdf_privilege_save)
$ goto read_loop
|
$ rmail = "$PMDF_ROOT:[EXE]uucp_slave.exe" |
$ rmail = "$PMDF_EXE:uucp_slave.exe" |
UUCP_CFG:control.
file.
UUCP_UUXQT_DCL_RMAIL_PMDF "YES" |
The account under which remote UUCP connections log in to your system must be capable of reading and writing files in the PMDF queue and PMDF log directories, (i.e., in the directories PMDF_QUEUE:
and PMDF_LOG:
on OpenVMS) for proper operation. Protections or privileges should be
set to allow this access.
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