2021-03-04 11:30:38 +00:00
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#pragma once
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#include <sys/types.h>
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#include <stdbool.h>
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#ifdef __linux__
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2022-11-22 14:49:53 +00:00
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#include <stddef.h>
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2021-03-04 11:30:38 +00:00
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#include <sys/capability.h>
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2022-11-22 14:49:53 +00:00
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#include <linux/audit.h>
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2021-03-04 11:30:38 +00:00
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bool checkpcap(uint64_t caps);
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bool setpcap(uint64_t caps);
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int getmaxcap();
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bool dropcaps();
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2022-11-22 14:49:53 +00:00
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#define syscall_nr (offsetof(struct seccomp_data, nr))
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#define arch_nr (offsetof(struct seccomp_data, arch))
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#define syscall_arg(x) (offsetof(struct seccomp_data, args[x]))
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#if defined(__aarch64__)
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# define REG_SYSCALL regs.regs[8]
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# define ARCH_NR AUDIT_ARCH_AARCH64
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#elif defined(__amd64__)
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# define REG_SYSCALL REG_RAX
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# define ARCH_NR AUDIT_ARCH_X86_64
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#elif defined(__arm__) && (defined(__ARM_EABI__) || defined(__thumb__))
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# define REG_SYSCALL regs.uregs[7]
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define ARCH_NR AUDIT_ARCH_ARM
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# else
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# define ARCH_NR AUDIT_ARCH_ARMEB
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# endif
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#elif defined(__i386__)
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# define REG_SYSCALL REG_EAX
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# define ARCH_NR AUDIT_ARCH_I386
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#elif defined(__mips__)
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# define REG_SYSCALL regs[2]
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define ARCH_NR AUDIT_ARCH_MIPSEL
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# else
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# define ARCH_NR AUDIT_ARCH_MIPS
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# endif
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#elif defined(__PPC__)
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# define REG_SYSCALL regs.gpr[0]
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# define ARCH_NR AUDIT_ARCH_PPC
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#else
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# warning "Platform does not support seccomp filter yet"
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# define REG_SYSCALL 0
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# define ARCH_NR 0
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#endif
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2021-03-04 11:30:38 +00:00
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#endif
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2022-11-22 14:49:53 +00:00
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bool sec_harden();
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2021-03-04 11:30:38 +00:00
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bool can_drop_root();
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bool droproot(uid_t uid, gid_t gid);
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void print_id();
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void daemonize();
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bool writepid(const char *filename);
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