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#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <grp.h>
#include <sys/wait.h>
#include "zdtmtst.h"
const char *test_doc = "Check that supplementary groups are supported";
const char *test_author = "Pavel Emelianov <xemul@parallels.com>";
int main(int argc, char **argv)
{
int ng;
unsigned int *grp, *grp2, i, max;
test_init(argc, argv);
ng = getgroups(0, NULL);
if (ng < 0) {
pr_perror("Can't get groups");
return -1;
}
grp = malloc((ng + 1) * sizeof(*grp));
ng = getgroups(ng, grp);
if (ng < 0) {
pr_perror("Can't get groups2");
return -1;
}
max = 0;
for (i = 0; i < ng; i++)
if (max < grp[i])
max = grp[i];
grp[ng++] = max + 1;
if (setgroups(ng, grp) < 0) {
pr_perror("Can't set groups");
return -1;
}
test_daemon();
test_waitsig();
grp2 = malloc(ng * sizeof(*grp2));
if (getgroups(ng, grp2) != ng) {
fail("Nr groups changed");
return -1;
}
if (memcmp(grp, grp2, ng * sizeof(*grp))) {
fail("Groups have changed");
return -1;
}
pass();
return 0;
}
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