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* urandom-seed: go back to seeding with shell script temporarilyJason A. Donenfeld2022-04-143-4/+34
| | | | | | | | | | | | | | | | This reverts commit 2edc017a6e0cb92b72b768aaa46c6d336ad84eff. We shouldn't be using a shell script here, but the SeedRNG integration into OpenWRT requires a bit more thought. Etienne raised some important points immediately after this was merged and planned to send some follow up commits, but became busy with other things. The points he raised are important enough that we should actually back this out until it's ready to go, and then merge it as a cohesive unit. So let's revert this for now, and come back to it later on. Cc: Etienne Champetier <champetier.etienne@gmail.com> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* urandom-seed: use seedrng for seeding the random number generatorJason A. Donenfeld2022-03-283-34/+4
| | | | | | | | | | | | | | | | | | | The RNG can't actually be seeded from a shell script, due to the reliance on ioctls. For this reason, the seedrng project provides a basic script meant to be copy and pasted into projects like OpenWRT and tweaked as needed: <https://git.zx2c4.com/seedrng/about/>. This commit imports it into the urandom-seed package and wires up the init scripts to call it. This also is a significant improvement over the current init script, which does not robustly handle cleaning up of seeds and syncing to prevent reuse. Additionally, the existing script creates a new seed immediately after writing an old one, which means that the amount of entropy might actually regress, due to failing to credit the old seed. Closes: https://github.com/openwrt/openwrt/issues/9570 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Petr Štetiar <ynezz@true.cz> [fixed missing INSTALL_DIR]
* treewide: drop shebang from non-executable lib filesAdrian Schmutzler2021-01-291-2/+0
| | | | | | | | | | | | This drops the shebang from another bunch of files in various /lib folders, as these are sourced and the shebang is useless. Fix execute bit in one case, too. This should cover almost all trivial cases now, i.e. where /lib is actually used for library files. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* base-files: move urandom seed bits into separate packagePetr Štetiar2019-06-113-0/+56
So it's possible to install or remove it as needed. Tested-by: Lucian Cristian <lucian.cristian@gmail.com> Signed-off-by: Petr Štetiar <ynezz@true.cz>