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libreboot-utils: tidy up rand

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also re-add /dev/urandom support, as a config option

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-25 17:52:53 +00:00
parent 6c8cf9a9e0
commit 00b56c0278
3 changed files with 40 additions and 82 deletions
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util/libreboot-utils/nvmutil.c
+6
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@@ -44,8 +44,14 @@ main(int argc, char *argv[])
#if (OpenBSD) >= 604
if (pledge("stdio flock rpath wpath cpath unveil", NULL) == -1)
err_no_cleanup(0, errno, "pledge plus unveil, main");
#if defined(USE_URANDOM) && \
((USE_URANDOM) > 0)
if (unveil("/dev/null", "r") == -1)
err_no_cleanup(0, errno, "unveil r: /dev/null");
#else
if (unveil("/dev/urandom", "r") == -1)
err_no_cleanup(0, errno, "unveil r: /dev/urandom");
#endif
#elif (OpenBSD) >= 509
if (pledge("stdio flock rpath wpath cpath", NULL) == -1)
err_no_cleanup(0, errno, "pledge, main");