search for: a_mode

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2003 May 16
3
open and euid security flaw in 5.0-Current?
On a FreeBSD 5.0 the behaviour of screen when connecting to other users sessions have changed. Previously: 1. login as userA start a screen as userA and disconnect 2. login as root su - userA "screen -r" 3. result failure as userA cant access the ttyX with such a message Current: 1. login as userA start a screen as userA and disconnect 2. login as root su - userA "screen -r" 3.
2008 Aug 31
0
NFSv4 ACLs.
...;struct acl". VOP_ACCESS changed a little - second argument was changed from "int" to "vaccess_t"; there should be no functional changes related to that. There are differences related to permissions granularity; as long as VOP_ACCESS implementation simply passes the "a_mode" parameter to the proper vaccess(9) routine, there should be no difference in behaviour. Adding granularity required adding some VWHATEVER defines to sys/vnode.h, adding several VOP_ACCESS checks in the syscall layer, replacing VADMIN with more specific permission in UFS and adding a unixify_...