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lib: don't try to change/reset capabilities if process has none

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A couple of daemons take/use no capabilities/privs; allow cleanup
of the privs/capabilities library module even if a daemon has no
caps.

Signed-off-by: Mark Stapp <mjs@voltanet.io>
This commit is contained in:
Mark Stapp 2020-06-11 15:30:36 -04:00
parent c8296ab8af
commit 5812b45fb3
1 changed files with 3 additions and 1 deletions
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4
lib/privs.c
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@ -406,9 +406,11 @@ static void zprivs_caps_init(struct zebra_privs_t *zprivs)
static void zprivs_caps_terminate(void)
{
/* clear all capabilities */
/* Clear all capabilities, if we have any. */
if (zprivs_state.caps)
cap_clear(zprivs_state.caps);
else
return;
/* and boom, capabilities are gone forever */
if (cap_set_proc(zprivs_state.caps)) {