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r17293: After the results from the cluster tests in Germany,

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fix the messaging code to call the efficient calls :

save_re_uid()
set_effective_uid(0);

messaging_op

restore_re_uid();

instead of using heavyweight become_root()/unbecome_root()
pairs around all messaging code. Fixup the messaging
code to ensure sec_init() is called (only once) so that non-root
processes still work when sending messages.

This is a lighter weight solution to become_root()/unbecome_root()
(which swaps all the supplemental groups) and should be more
efficient. I will migrate all server code over to using this
(a similar technique should be used in the passdb backend
where needed).

Jeremy.
This commit is contained in:
Jeremy Allison
2006-07-28 22:42:39 +00:00
committed by Gerald (Jerry) Carter
parent f462daf02c
commit 4ace291278
11 changed files with 32 additions and 45 deletions
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2
source/lib/tallocmsg.c
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@@ -44,10 +44,8 @@ void msg_pool_usage(int msg_type, struct process_id src_pid,
return;
}
become_root();
message_send_pid(src_pid, MSG_POOL_USAGE,
reply, strlen(reply)+1, True);
unbecome_root();
SAFE_FREE(reply);
}