sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h - Issue 258073008: Linux sandbox: restrict *kill to the current process.

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Unified Diff: sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h

Issue 258073008: Linux sandbox: restrict *kill to the current process. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: One nit disappeared :) Created 6 years, 8 months ago

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Index: sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h

diff --git a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h b/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h

index aa1e0d101053488ea6277413c0582082c88770b7..5283b490c3d4bca4bfc61efa770ddc2f2ba6ec60 100644

--- a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h

+++ b/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h

@@ -5,6 +5,8 @@

#ifndef SANDBOX_LINUX_SECCOMP_BPF_HELPERS_SYSCALL_PARAMETERS_RESTRICTIONS_H_

#define SANDBOX_LINUX_SECCOMP_BPF_HELPERS_SYSCALL_PARAMETERS_RESTRICTIONS_H_

+#include <unistd.h>

#include "build/build_config.h"

#include "sandbox/linux/sandbox_export.h"

@@ -55,6 +57,11 @@ SANDBOX_EXPORT ErrorCode RestrictFcntlCommands(SandboxBPF* sandbox);

SANDBOX_EXPORT ErrorCode RestrictSocketcallCommand(SandboxBPF* sandbox);

#endif

+// Restrict |sysno| (which must be kill, tkill or tgkill) by allowing tgkill or

+// kill iff the first parameter is |target_pid|, crashing otherwise or if

+// |sysno| is tkill.

+ErrorCode RestrictKillTarget(pid_t target_pid, SandboxBPF* sandbox, int sysno);

} // namespace sandbox.

#endif // SANDBOX_LINUX_SECCOMP_BPF_HELPERS_SYSCALL_PARAMETERS_RESTRICTIONS_H_