vasilito
5851974b20
Release fork infrastructure: - REDBEAR_RELEASE=0.1.1 with offline enforcement (fetch/distclean/unfetch blocked) - 195 BLAKE3-verified source archives in standard format - Atomic provisioning via provision-release.sh (staging + .complete sentry) - 5-phase improvement plan: restore format auto-detection, source tree validation (validate-source-trees.py), archive-map.json, REPO_BINARY fallback Archive normalization: - Removed 87 duplicate/unversioned archives from shared pool - Regenerated all archives in consistent format with source/ + recipe.toml - BLAKE3SUMS and manifest.json generated from stable tarball set Patch management: - verify-patches.sh: pre-sync dry-run report (OK/REVERSED/CONFLICT) - 121 upstream-absorbed patches moved to absorbed/ directories - 43 active patches verified clean against rebased sources - Stress test: base updated to upstream HEAD, relibc reset and patched Compilation fixes: - relibc: Vec imports in redox-rt (proc.rs, lib.rs, sys.rs) - relibc: unsafe from_raw_parts in mod.rs (2024 edition) - fetch.rs: rev comparison handles short/full hash prefixes - kibi recipe: corrected rev mismatch New scripts: restore-sources.sh, provision-release.sh, verify-sources-archived.sh, check-upstream-releases.sh, validate-source-trees.py, verify-patches.sh, repair-archive-format.sh, generate-manifest.py Documentation: AGENTS.md, README.md, local/AGENTS.md updated for release fork model
46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
diff --git a/src/header/unistd/mod.rs b/src/header/unistd/mod.rs
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--- a/src/header/unistd/mod.rs
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+++ b/src/header/unistd/mod.rs
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@@ -537,8 +537,39 @@
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/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getentropy.html>.
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// #[unsafe(no_mangle)]
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-pub extern "C" fn getentropy(buffer: *mut c_void, length: size_t) -> c_int {
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- unimplemented!();
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+pub unsafe extern "C" fn getentropy(buffer: *mut c_void, length: size_t) -> c_int {
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+ // POSIX limits getentropy to 256 bytes per call
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+ const GETENTROPY_MAX: size_t = 256;
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+
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+ if length > GETENTROPY_MAX {
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+ ERRNO.set(EINVAL);
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+ return -1;
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+ }
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+
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+ let path = unsafe { CStr::from_ptr(c"/scheme/rand".as_ptr().cast()) };
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+ let fd = match Sys::open(path, fcntl::O_RDONLY, 0) {
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+ Ok(fd) => fd,
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+ Err(Errno(e)) => {
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+ ERRNO.set(e);
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+ return -1;
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+ }
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+ };
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+
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+ let buf = unsafe { slice::from_raw_parts_mut(buffer.cast::<u8>(), length) };
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+ let mut filled = 0usize;
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+ while filled < length {
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+ match Sys::read(fd, &mut buf[filled..]) {
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+ Ok(0) => break,
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+ Ok(n) => filled += n,
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+ Err(Errno(e)) => {
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+ let _ = Sys::close(fd);
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+ ERRNO.set(e);
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+ return -1;
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+ }
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+ }
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+ }
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+ let _ = Sys::close(fd);
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+ if filled < length { ERRNO.set(errno::EIO); -1 } else { 0 }
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}
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/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/geteuid.html>.
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