From: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
---
bsd-user/bsd-proc.h | 44 +++++++++++++++++++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 9 +++++++
2 files changed, 53 insertions(+)
diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h
index b6225e520e..7b25aa1982 100644
--- a/bsd-user/bsd-proc.h
+++ b/bsd-user/bsd-proc.h
@@ -41,4 +41,48 @@ static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1)
return 0;
}
+/* getgroups(2) */
+static inline abi_long do_bsd_getgroups(abi_long gidsetsize, abi_long arg2)
+{
+ abi_long ret;
+ uint32_t *target_grouplist;
+ g_autofree gid_t *grouplist;
+ int i;
+
+ grouplist = g_try_new(gid_t, gidsetsize);
+ ret = get_errno(getgroups(gidsetsize, grouplist));
+ if (gidsetsize != 0) {
+ if (!is_error(ret)) {
+ target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
+ if (!target_grouplist) {
+ return -TARGET_EFAULT;
+ }
+ for (i = 0; i < ret; i++) {
+ target_grouplist[i] = tswap32(grouplist[i]);
+ }
+ unlock_user(target_grouplist, arg2, gidsetsize * 2);
+ }
+ }
+ return ret;
+}
+
+/* setgroups(2) */
+static inline abi_long do_bsd_setgroups(abi_long gidsetsize, abi_long arg2)
+{
+ uint32_t *target_grouplist;
+ g_autofree gid_t *grouplist;
+ int i;
+
+ grouplist = g_try_new(gid_t, gidsetsize);
+ target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
+ if (!target_grouplist) {
+ return -TARGET_EFAULT;
+ }
+ for (i = 0; i < gidsetsize; i++) {
+ grouplist[i] = tswap32(target_grouplist[i]);
+ }
+ unlock_user(target_grouplist, arg2, 0);
+ return get_errno(setgroups(gidsetsize, grouplist));
+}
+
#endif /* !BSD_PROC_H_ */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index fa60df529e..535e6287bd 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -223,6 +223,15 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_exit(cpu_env, arg1);
break;
+ case TARGET_FREEBSD_NR_getgroups: /* getgroups(2) */
+ ret = do_bsd_getgroups(arg1, arg2);
+ break;
+
+ case TARGET_FREEBSD_NR_setgroups: /* setgroups(2) */
+ ret = do_bsd_setgroups(arg1, arg2);
+ break;
+
+
/*
* File system calls.
*/
--
2.42.0