shadow-utils/shadow-4.9-useradd-avoid-generating-empty-subid-range.patch
Iker Pedrosa 3a32832856 useradd: avoid generating an empty subid range (#1990653)
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
2021-08-11 14:58:12 +02:00

80 lines
2.8 KiB
Diff

diff --git a/src/useradd.c b/src/useradd.c
index baeffb35..9abeea6e 100644
--- a/src/useradd.c
+++ b/src/useradd.c
@@ -142,9 +142,7 @@ static bool is_sub_gid = false;
static bool sub_uid_locked = false;
static bool sub_gid_locked = false;
static uid_t sub_uid_start; /* New subordinate uid range */
-static unsigned long sub_uid_count;
static gid_t sub_gid_start; /* New subordinate gid range */
-static unsigned long sub_gid_count;
#endif /* ENABLE_SUBIDS */
static bool pw_locked = false;
static bool gr_locked = false;
@@ -234,7 +232,7 @@ static void open_shadow (void);
static void faillog_reset (uid_t);
static void lastlog_reset (uid_t);
static void tallylog_reset (const char *);
-static void usr_update (void);
+static void usr_update (unsigned long subuid_count, unsigned long subgid_count);
static void create_home (void);
static void create_mail (void);
static void check_uid_range(int rflg, uid_t user_id);
@@ -2092,7 +2090,7 @@ static void tallylog_reset (const char *user_name)
* usr_update() creates the password file entries for this user
* and will update the group entries if required.
*/
-static void usr_update (void)
+static void usr_update (unsigned long subuid_count, unsigned long subgid_count)
{
struct passwd pwent;
struct spwd spent;
@@ -2155,14 +2153,14 @@ static void usr_update (void)
}
#ifdef ENABLE_SUBIDS
if (is_sub_uid &&
- (sub_uid_add(user_name, sub_uid_start, sub_uid_count) == 0)) {
+ (sub_uid_add(user_name, sub_uid_start, subuid_count) == 0)) {
fprintf (stderr,
_("%s: failed to prepare the new %s entry\n"),
Prog, sub_uid_dbname ());
fail_exit (E_SUB_UID_UPDATE);
}
if (is_sub_gid &&
- (sub_gid_add(user_name, sub_gid_start, sub_gid_count) == 0)) {
+ (sub_gid_add(user_name, sub_gid_start, subgid_count) == 0)) {
fprintf (stderr,
_("%s: failed to prepare the new %s entry\n"),
Prog, sub_uid_dbname ());
@@ -2624,16 +2622,16 @@ int main (int argc, char **argv)
}
#ifdef ENABLE_SUBIDS
- if (is_sub_uid && sub_uid_count != 0) {
- if (find_new_sub_uids(&sub_uid_start, &sub_uid_count) < 0) {
+ if (is_sub_uid && subuid_count != 0) {
+ if (find_new_sub_uids(&sub_uid_start, &subuid_count) < 0) {
fprintf (stderr,
_("%s: can't create subordinate user IDs\n"),
Prog);
fail_exit(E_SUB_UID_UPDATE);
}
}
- if (is_sub_gid && sub_gid_count != 0) {
- if (find_new_sub_gids(&sub_gid_start, &sub_gid_count) < 0) {
+ if (is_sub_gid && subgid_count != 0) {
+ if (find_new_sub_gids(&sub_gid_start, &subgid_count) < 0) {
fprintf (stderr,
_("%s: can't create subordinate group IDs\n"),
Prog);
@@ -2642,7 +2640,7 @@ int main (int argc, char **argv)
}
#endif /* ENABLE_SUBIDS */
- usr_update ();
+ usr_update (subuid_count, subgid_count);
close_files ();