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linux: Add EXEC_RESTRICT_FILE and EXEC_DENY_INTERACTIVE securebits #4545

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linux: Add EXEC_RESTRICT_FILE and EXEC_DENY_INTERACTIVE securebits #4545

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4 changes: 4 additions & 0 deletions libc-test/semver/linux.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2776,6 +2776,10 @@ SCTP_STATUS
SCTP_STREAM_RESET_INCOMING
SCTP_STREAM_RESET_OUTGOING
SCTP_UNORDERED
SECBIT_EXEC_DENY_INTERACTIVE
SECBIT_EXEC_DENY_INTERACTIVE_LOCKED
SECBIT_EXEC_RESTRICT_FILE
SECBIT_EXEC_RESTRICT_FILE_LOCKED
SECBIT_KEEP_CAPS
SECBIT_KEEP_CAPS_LOCKED
SECBIT_NOROOT
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24 changes: 22 additions & 2 deletions src/unix/linux_like/linux/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4750,11 +4750,31 @@ pub const SECBIT_NO_CAP_AMBIENT_RAISE: c_int = issecure_mask(SECURE_NO_CAP_AMBIE
pub const SECBIT_NO_CAP_AMBIENT_RAISE_LOCKED: c_int =
issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE_LOCKED);

const SECURE_EXEC_RESTRICT_FILE: c_int = 8;
const SECURE_EXEC_RESTRICT_FILE_LOCKED: c_int = 9;

pub const SECBIT_EXEC_RESTRICT_FILE: c_int = issecure_mask(SECURE_EXEC_RESTRICT_FILE);
pub const SECBIT_EXEC_RESTRICT_FILE_LOCKED: c_int =
issecure_mask(SECURE_EXEC_RESTRICT_FILE_LOCKED);

const SECURE_EXEC_DENY_INTERACTIVE: c_int = 10;
const SECURE_EXEC_DENY_INTERACTIVE_LOCKED: c_int = 11;

pub const SECBIT_EXEC_DENY_INTERACTIVE: c_int = issecure_mask(SECURE_EXEC_DENY_INTERACTIVE);
pub const SECBIT_EXEC_DENY_INTERACTIVE_LOCKED: c_int =
issecure_mask(SECURE_EXEC_DENY_INTERACTIVE_LOCKED);

pub const SECUREBITS_DEFAULT: c_int = 0x00000000;
pub const SECURE_ALL_BITS: c_int =
SECBIT_NOROOT | SECBIT_NO_SETUID_FIXUP | SECBIT_KEEP_CAPS | SECBIT_NO_CAP_AMBIENT_RAISE;
pub const SECURE_ALL_BITS: c_int = SECBIT_NOROOT
| SECBIT_NO_SETUID_FIXUP
| SECBIT_KEEP_CAPS
| SECBIT_NO_CAP_AMBIENT_RAISE
| SECBIT_EXEC_RESTRICT_FILE
| SECBIT_EXEC_DENY_INTERACTIVE;
pub const SECURE_ALL_LOCKS: c_int = SECURE_ALL_BITS << 1;

pub const SECURE_ALL_UNPRIVILEGED: c_int = SECBIT_EXEC_RESTRICT_FILE | SECBIT_EXEC_DENY_INTERACTIVE;

const fn issecure_mask(x: c_int) -> c_int {
1 << x
}
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