_cleanup_fclose_ FILE *passwd = NULL, *group = NULL, *shadow = NULL, *gshadow = NULL;
_cleanup_free_ char *passwd_tmp = NULL, *group_tmp = NULL, *shadow_tmp = NULL, *gshadow_tmp = NULL;
const char *passwd_path = NULL, *group_path = NULL, *shadow_path = NULL, *gshadow_path = NULL;
+ struct stat st;
bool group_changed = false;
Iterator iterator;
Item *i;
if (r < 0)
goto finish;
- if (fchmod(fileno(group), 0644) < 0) {
- r = -errno;
- goto finish;
- }
-
original = fopen(group_path, "re");
if (original) {
struct group *gr;
+ if (fstat(fileno(original), &st) < 0 ||
+ fchmod(fileno(group), st.st_mode & 07777) < 0 ||
+ fchown(fileno(group), st.st_uid, st.st_gid) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
errno = 0;
while ((gr = fgetgrent(original))) {
/* Safety checks against name and GID
} else if (errno != ENOENT) {
r = -errno;
goto finish;
+ } else if (fchmod(fileno(group), 0644) < 0) {
+ r = -errno;
+ goto finish;
}
HASHMAP_FOREACH(i, todo_gids, iterator) {
if (r < 0)
goto finish;
- if (fchmod(fileno(gshadow), 0000) < 0) {
- r = -errno;
- goto finish;
- }
-
original = fopen(gshadow_path, "re");
if (original) {
struct sgrp *sg;
+ if (fstat(fileno(original), &st) < 0 ||
+ fchmod(fileno(gshadow), st.st_mode & 07777) < 0 ||
+ fchown(fileno(gshadow), st.st_uid, st.st_gid) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
errno = 0;
while ((sg = fgetsgent(original))) {
} else if (errno != ENOENT) {
r = -errno;
goto finish;
+ } else if (fchmod(fileno(gshadow), 0000) < 0) {
+ r = -errno;
+ goto finish;
}
HASHMAP_FOREACH(i, todo_gids, iterator) {
if (r < 0)
goto finish;
- if (fchmod(fileno(passwd), 0644) < 0) {
- r = -errno;
- goto finish;
- }
-
original = fopen(passwd_path, "re");
if (original) {
struct passwd *pw;
+ if (fstat(fileno(original), &st) < 0 ||
+ fchmod(fileno(passwd), st.st_mode & 07777) < 0 ||
+ fchown(fileno(passwd), st.st_uid, st.st_gid) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
errno = 0;
while ((pw = fgetpwent(original))) {
} else if (errno != ENOENT) {
r = -errno;
goto finish;
+ } else if (fchmod(fileno(passwd), 0644) < 0) {
+ r = -errno;
+ goto finish;
}
HASHMAP_FOREACH(i, todo_uids, iterator) {
if (r < 0)
goto finish;
- if (fchmod(fileno(shadow), 0000) < 0) {
- r = -errno;
- goto finish;
- }
-
original = fopen(shadow_path, "re");
if (original) {
struct spwd *sp;
+ if (fstat(fileno(original), &st) < 0 ||
+ fchmod(fileno(shadow), st.st_mode & 07777) < 0 ||
+ fchown(fileno(shadow), st.st_uid, st.st_gid) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
errno = 0;
while ((sp = fgetspent(original))) {
} else if (errno != ENOENT) {
r = -errno;
goto finish;
+ } else if (fchmod(fileno(shadow), 0000) < 0) {
+ r = -errno;
+ goto finish;
}
lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);