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Author SHA1 Message Date
Eric W. Biederman 578947e661 newuidmap,newgidmap: Correct the range size sanity check in get_map_ranges 
The number of ranges should be the ceiling of the number of arguments divided
by three.

Without this fix newuidmap and newgidmap always report and error and fail,
which is very much not what we want.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
 2013-09-10 17:51:40 -05:00
Eric W. Biederman 673c2a6f9a newuidmap,newgidmap: New suid helpers for using subordinate uids and gids 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
 2013-08-05 10:08:46 -05:00
Eric W. Biederman 2cc8c2c0dc newusers: Add support for assiging subordinate uids and gids. 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman d5b3092331 usermod: Add support for subordinate uids and gids. 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman 89f7b0868c Add support for detecting busy subordinate user ids 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman 87253ca906 useradd: Add support for subordinate user identifiers 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman 7296cbdbfe userdel: Add support for removing subordinate user and group ids. 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman a8f26262cf Implement find_new_sub_uids find_new_sub_gids 
Functions for finding new subordinate uid and gids ranges for use
with useradd.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman f28ad4b251 Add backend support for suboridnate uids and gids 
These files list the set of subordinate uids and gids that users are allowed
to use.   The expect use case is with the user namespace but other uses are
allowed.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman 5620c5ab5d Implement commonio_append. 
To support files that do not have a simple unique key implement
commonio_append to allow new entries to be added.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
 2013-08-05 10:08:45 -05:00
Eric W. Biederman 23fd6cb1da login.defs.5: Document the new variables in login.defs 
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.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