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authorThomas Winkler2023-11-10 21:48:59 +0000
committerHauke Mehrtens2024-07-08 19:13:26 +0000
commitccac75a37f13e77071d4b481aad1aa7fbb8a4c29 (patch)
tree3ab3b1cd097b9b7595cd3527fb9a4a918191a5cb
parentadd63dd508639357883ca9d7512d7738c2a721d2 (diff)
downloadopenwrt-ccac75a37f13e77071d4b481aad1aa7fbb8a4c29.tar.gz
base-files: fix uid/gid auto-enumeration to avoid 16-bit limit
uid/gid range should be limited to 16bit unsigned integer range to avoid "wraparound" issues with permissions where jffs2 is employed for storage and chown 65536 (first auto-created user) becomes equivalent to chown 0 Fixes: #13927 Signed-off-by: Thomas Winkler <tewinkler86@gmail.com> (cherry picked from commit 140b48a9e93909873bee777ca5bdf49fe4f01271) Link: https://github.com/openwrt/openwrt/pull/15898 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
-rw-r--r--package/base-files/files/lib/functions.sh4
1 files changed, 2 insertions, 2 deletions
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
index 50aed53b06..c688ac77ee 100644
--- a/package/base-files/files/lib/functions.sh
+++ b/package/base-files/files/lib/functions.sh
@@ -371,7 +371,7 @@ group_add_next() {
return
fi
gids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/group)
- gid=65536
+ gid=32768
while echo "$gids" | grep -q "^$gid$"; do
gid=$((gid + 1))
done
@@ -402,7 +402,7 @@ user_add() {
local rc
[ -z "$uid" ] && {
uids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/passwd)
- uid=65536
+ uid=32768
while echo "$uids" | grep -q "^$uid$"; do
uid=$((uid + 1))
done