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lib: Fix priviledge modification for vty group specified

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When attempting to switch runtime permissions over to
the correct group specified for the vty group, if the
user specified to run as does not have that vty group
then do warn about the issue and stop running

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reported-by: Thomas Martin <tmartincpp@gmail.com>
This commit is contained in:
Donald Sharp 2016-04-08 19:20:34 -04:00
parent 4a9ea50e1b
commit b8b341d7c3
1 changed files with 11 additions and 1 deletions
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12
lib/privs.c
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@ -664,6 +664,7 @@ zprivs_init(struct zebra_privs_t *zprivs)
struct group *grentry = NULL;
gid_t groups[NGROUPS_MAX];
int i, ngroups = 0;
int found = 0;
if (!zprivs)
{
@ -729,8 +730,17 @@ zprivs_init(struct zebra_privs_t *zprivs)
for ( i = 0; i < ngroups; i++ )
if ( groups[i] == zprivs_state.vtygrp )
break;
{
found++;
break;
}
if (!found)
{
fprintf (stderr, "privs_init: user(%s) is not part of vty group specified(%s)\n",
zprivs->user, zprivs->vty_group);
exit (1);
}
if ( i >= ngroups && ngroups < (int) ZEBRA_NUM_OF(groups) )
{
groups[i] = zprivs_state.vtygrp;