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Merge pull request #74 from AdamMajer/upstream

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support dynamically added users via pam_group
This commit is contained in:
Serge Hallyn 2017-06-15 22:41:25 -05:00 committed by GitHub
commit 7081b2df85
1 changed files with 16 additions and 1 deletions
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15
src/newgrp.c
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@ -387,6 +387,7 @@ int main (int argc, char **argv)
{
bool initflag = false;
int i;
bool is_member = false;
bool cflag = false;
int err = 0;
gid_t gid;
@ -625,6 +626,18 @@ int main (int argc, char **argv)
goto failure;
}
#ifdef HAVE_SETGROUPS
/* when using pam_group, she will not be listed in the groups
* database. However getgroups() will return the group. So
* if she is listed there already it is ok to grant membership.
*/
for (i = 0; i < ngroups; i++) {
if (grp->gr_gid == grouplist[i]) {
is_member = true;
break;
}
}
#endif /* HAVE_SETGROUPS */
/*
* For splitted groups (due to limitations of NIS), check all
* groups of the same GID like the requested group for
@ -653,7 +666,9 @@ int main (int argc, char **argv)
/*
* Check if the user is allowed to access this group.
*/
if (!is_member) {
check_perms (grp, pwd, group);
}
/*
* all successful validations pass through this point. The group id