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With FEATURE_SUID=y one can install busybox binary belonging to root with the suid bit set, enabling some applets to perform root-level operations even when run by ordinary users. Busybox then drops privileges for applets that don't need root access, before entering their main() function. Currently we don't install busybox binary with suid bit set, rendering this feature unusable. Note that we can't just "chmod u+s /bin/busybox" at runtime as a "cheaper" solution: it would waste approximately 200KiB of FLASH (the whole /bin/busybox binary gets copied into the overlay). Ref: PR#2502 Signed-off-by: Henrique de Moraes Holschuh <henrique@nic.br> [commit title/description facelift, use INSTALL_SUID variable] Signed-off-by: Petr Štetiar <ynezz@true.cz> |
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| Config-defaults.in | ||
| Config.in | ||
| convert_defaults.pl | ||
| convert_menuconfig.pl | ||
| Makefile | ||