libmisc: minimum id check for system accounts
The minimum id allocation for system accounts shouldn't be 0 as this is reserved for root. Signed-off-by: Tomáš Mráz <tm@t8m.info> Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
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@ -60,6 +60,13 @@ static int get_ranges (bool sys_group, gid_t *min_id, gid_t *max_id,
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(unsigned long) *max_id);
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return EINVAL;
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}
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/*
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* Zero is reserved for root and the allocation algorithm does not
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* work right with it.
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*/
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if (*min_id == 0) {
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*min_id = (gid_t) 1;
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}
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} else {
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/* Non-system groups */
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@ -60,6 +60,13 @@ static int get_ranges (bool sys_user, uid_t *min_id, uid_t *max_id,
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(unsigned long) *max_id);
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return EINVAL;
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}
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/*
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* Zero is reserved for root and the allocation algorithm does not
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* work right with it.
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*/
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if (*min_id == 0) {
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*min_id = (uid_t) 1;
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}
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} else {
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/* Non-system users */
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