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54 lines
1.8 KiB
54 lines
1.8 KiB
#ifndef _UAPI_LINUX_SECCOMP_H |
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#define _UAPI_LINUX_SECCOMP_H |
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#include <linux/compiler.h> |
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#include <linux/types.h> |
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/* Valid values for seccomp.mode and prctl(PR_SET_SECCOMP, <mode>) */ |
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#define SECCOMP_MODE_DISABLED 0 /* seccomp is not in use. */ |
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#define SECCOMP_MODE_STRICT 1 /* uses hard-coded filter. */ |
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#define SECCOMP_MODE_FILTER 2 /* uses user-supplied filter. */ |
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/* Valid operations for seccomp syscall. */ |
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#define SECCOMP_SET_MODE_STRICT 0 |
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#define SECCOMP_SET_MODE_FILTER 1 |
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/* Valid flags for SECCOMP_SET_MODE_FILTER */ |
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#define SECCOMP_FILTER_FLAG_TSYNC 1 |
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/* |
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* All BPF programs must return a 32-bit value. |
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* The bottom 16-bits are for optional return data. |
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* The upper 16-bits are ordered from least permissive values to most. |
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* |
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* The ordering ensures that a min_t() over composed return values always |
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* selects the least permissive choice. |
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*/ |
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#define SECCOMP_RET_KILL 0x00000000U /* kill the task immediately */ |
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#define SECCOMP_RET_TRAP 0x00030000U /* disallow and force a SIGSYS */ |
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#define SECCOMP_RET_ERRNO 0x00050000U /* returns an errno */ |
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#define SECCOMP_RET_TRACE 0x7ff00000U /* pass to a tracer or disallow */ |
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#define SECCOMP_RET_ALLOW 0x7fff0000U /* allow */ |
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/* Masks for the return value sections. */ |
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#define SECCOMP_RET_ACTION 0x7fff0000U |
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#define SECCOMP_RET_DATA 0x0000ffffU |
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/** |
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* struct seccomp_data - the format the BPF program executes over. |
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* @nr: the system call number |
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* @arch: indicates system call convention as an AUDIT_ARCH_* value |
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* as defined in <linux/audit.h>. |
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* @instruction_pointer: at the time of the system call. |
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* @args: up to 6 system call arguments always stored as 64-bit values |
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* regardless of the architecture. |
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*/ |
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struct seccomp_data { |
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int nr; |
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__u32 arch; |
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__u64 instruction_pointer; |
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__u64 args[6]; |
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}; |
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#endif /* _UAPI_LINUX_SECCOMP_H */
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