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This commit adds allocation logic for subid ranges. Subid ranges are ranges of contiguous subids that are mapped to a user in the host system. This patch implements a flexible allocation algorithm allowing users that do not want (or need) to specify details of the subid ranges that they are requesting to avoid doing so, while upholding requests of users that need to have specific ranges. * gnu/build/accounts.scm (%subordinate-id-min): New variable; (%subordinate-id-max): new variable; (%subordinate-id-count): new variable; (subordinate-id?): new variable; (&subordinate-id-error): new variable; (&subordinate-id-overflow-error): new variable; (&illegal-subid-range-error): new variable; (&specific-subid-range-expected-error): new variable; (&generic-subid-range-expected-error): new variable; (within-interval?): new variable; (allocate-unused-range): new variable; (allocate-generic-range): new variable; (allocate-specific-range): new variable; (reserve-subids): new variable; (range->entry): new variable; (entry->range): new variable; (allocate-subids): new variable; (subuid+subgid-databases): new variable. * gnu/system/accounts.scm (subid-range-end): New variable; (subid-range-has-start?): new variable; (subid-range-less): new variable. * test/accounts.scm: Test them. Change-Id: I8de1fd7cfe508b9c76408064d6f498471da0752d Co-Authored-By: Ludovic Courtès <ludo@gnu.org> Signed-off-by: Giacomo Leidi <goodoldpaul@autistici.org> Signed-off-by: Ludovic Courtès <ludo@gnu.org> |
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| .. | ||
| examples | ||
| images | ||
| accounts.scm | ||
| file-systems.scm | ||
| hurd.scm | ||
| image.scm | ||
| install.scm | ||
| keyboard.scm | ||
| linux-container.scm | ||
| linux-initrd.scm | ||
| locale.scm | ||
| mapped-devices.scm | ||
| nss.scm | ||
| pam.scm | ||
| privilege.scm | ||
| setuid.scm | ||
| shadow.scm | ||
| uuid.scm | ||
| vm.scm | ||