Commit Graph

7 Commits

Author SHA1 Message Date
Bostjan Skufca
37e2a687e3 sub[ug]id manpages: add note about performance when using login names versus UIDs
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
2014-09-17 15:48:17 -05:00
Bostjan Skufca
a113b87c45 newuidmap/newgidmap: added support for user matching by UID in /etc/sub[ug]id
Until now only exact username specification in /etc/sub[ug]id file allowed the
mapping. This prevented normal use for those users who use multiple usernames
with the same UID, as it rejected mapping even though it was allowed for
another username with the same UID.

This patch initially retains the old behaviour, for performance's sake. In the
first pass, new[ug]idmap only searches for exact username match.
If that yields no valid results, it continues into another loop, which does UID
resolution and comparison. If either definition (numeric UID mapping
specification or mapping specification for another username with the same UID as
current username) is found, it is used.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
2014-09-17 15:48:10 -05:00
Nicolas François
5d3a785c55 Manpages improvement for subordinate IDs.
* man/newusers.8.xml: Include documentation of SUB_GID_MIN,
	SUB_GID_MAX, SUB_GID_COUNT, SUB_UID_MIN, SUB_UID_MAX,
	SUB_UID_COUNT.
	* man/useradd.8.xml: Likewise.
	* man/usermod.8.xml: Likewise.
	* man/newusers.8.xml: Document usage of /etc/subgid /etc/subuid.
	* man/useradd.8.xml: Likewise.
	* man/userdel.8.xml: Likewise.
	* man/usermod.8.xml: Likewise.
	* man/newusers.8.xml: Add references to subgid(5) and subuid(5).
	* man/useradd.8.xml: Likewise.
	* man/userdel.8.xml: Likewise.
	* man/subgid.5.xml: Sort references alphabetically.
	* man/subuid.5.xml: Likewise.
	* man/subgid.5.xml: Add references to newusers(8), useradd(8),
	userdel(8), usermod(8), user_namespaces(7).
	* man/subuid.5.xml: Likewise.
2013-08-11 16:09:59 +02:00
Nicolas François
ee2b88b7b1 I find it clearer with the words in that order.
* man/subgid.5.xml: Reorder words.
	* man/subuid.5.xml: Likewise.
2013-08-06 22:25:08 +02:00
Nicolas François
1955170a14 Fix typos.
* man/subgid.5.xml: Fix typos.
	* man/subuid.5.xml: Likewise.
	* man/subgid.5.xml: Fix copy-paste errors from subuid.5.xml.
2013-08-06 22:22:57 +02:00
Serge Hallyn
2cffa14105 fix typo in subxid.5
login.defs, not logindefs.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
2013-08-05 10:08:45 -05:00
Eric W. Biederman
a881a2c8d4 Documentation for /etc/subuid and /etc/subgid
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2013-08-05 10:08:45 -05:00