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Try to make our getgrouplist replacement better match the 'real' implemenations.

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In particular, make sure we include the primary gid in the list.

Andrew Bartlett
This commit is contained in:
Andrew Bartlett 0001-01-01 00:00:00 +00:00
parent ada36d2fe3
commit 0cd4b339b7
1 changed files with 11 additions and 4 deletions
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15
source/lib/system_smbd.c
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@ -39,7 +39,7 @@
static int getgrouplist_internals(const char *user, gid_t gid, gid_t *groups, int *grpcnt)
{
gid_t *gids_saved;
int ret, ngrp_saved;
int ret, ngrp_saved, num_gids;
if (non_root_mode()) {
*grpcnt = 0;
@ -78,9 +78,16 @@ static int getgrouplist_internals(const char *user, gid_t gid, gid_t *groups, in
set_effective_gid(gid);
setgid(gid);
ret = getgroups(*grpcnt, groups);
if (ret >= 0) {
*grpcnt = ret;
num_gids = getgroups(0, NULL);
if (num_gids + 1 > *grpcnt) {
*grpcnt = num_gids + 1;
ret = -1;
} else {
ret = getgroups(*grpcnt - 1, &groups[1]);
if (ret >= 0) {
groups[0] = gid;
*grpcnt = ret + 1;
}
}
restore_re_gid();