zapret/nfq/sec.h
2024-09-15 12:10:04 +03:00

93 lines
1.7 KiB
C

#pragma once
#include <sys/types.h>
#include <stdbool.h>
#ifdef __linux__
#include <stddef.h>
#include <sys/capability.h>
#include <linux/audit.h>
bool checkpcap(uint64_t caps);
bool setpcap(uint64_t caps);
int getmaxcap(void);
bool dropcaps(void);
#define syscall_nr (offsetof(struct seccomp_data, nr))
#define arch_nr (offsetof(struct seccomp_data, arch))
#define syscall_arg(x) (offsetof(struct seccomp_data, args[x]))
#if defined(__aarch64__)
# define ARCH_NR AUDIT_ARCH_AARCH64
#elif defined(__amd64__)
# define ARCH_NR AUDIT_ARCH_X86_64
#elif defined(__arm__) && (defined(__ARM_EABI__) || defined(__thumb__))
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define ARCH_NR AUDIT_ARCH_ARM
# else
# define ARCH_NR AUDIT_ARCH_ARMEB
# endif
#elif defined(__i386__)
# define ARCH_NR AUDIT_ARCH_I386
#elif defined(__mips__)
#if _MIPS_SIM == _MIPS_SIM_ABI32
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define ARCH_NR AUDIT_ARCH_MIPSEL
# else
# define ARCH_NR AUDIT_ARCH_MIPS
# endif
#elif _MIPS_SIM == _MIPS_SIM_ABI64
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define ARCH_NR AUDIT_ARCH_MIPSEL64
# else
# define ARCH_NR AUDIT_ARCH_MIPS64
# endif
#else
# error "Unsupported mips abi"
#endif
#elif defined(__PPC64__)
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define ARCH_NR AUDIT_ARCH_PPC64LE
# else
# define ARCH_NR AUDIT_ARCH_PPC64
# endif
#elif defined(__PPC__)
# define ARCH_NR AUDIT_ARCH_PPC
#elif __riscv && __riscv_xlen == 64
# define ARCH_NR AUDIT_ARCH_RISCV64
#else
# error "Platform does not support seccomp filter yet"
#endif
#endif
#ifndef __CYGWIN__
bool sec_harden(void);
bool can_drop_root(void);
bool droproot(uid_t uid, gid_t gid);
void print_id(void);
#endif
void daemonize(void);
bool writepid(const char *filename);