50 lines
2.2 KiB
Plaintext
50 lines
2.2 KiB
Plaintext
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# This file is used to populate seccomp's allowlist policy in combination with SYSCALLS.TXT.
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# Note that the resultant policy is applied only to zygote spawned processes.
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#
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# The final seccomp allowlist is SYSCALLS.TXT - SECCOMP_BLOCKLIST.TXT + SECCOMP_ALLOWLIST.TXT
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# Any entry in the blocklist must be in the syscalls file and not be in the allowlist file
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#
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# This file is processed by a python script named genseccomp.py.
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# Note: Some privileged syscalls are still needed in app process after fork before uid change,
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# including capset and setresuid. This is because the seccomp filter must be installed while
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# the process still has CAP_SYS_ADMIN; changing the uid would remove that capability.
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# syscalls to modify IDs
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int setgid:setgid32(gid_t) lp32
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int setgid:setgid(gid_t) lp64
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int setuid:setuid32(uid_t) lp32
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int setuid:setuid(uid_t) lp64
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int setregid:setregid32(gid_t, gid_t) lp32
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int setregid:setregid(gid_t, gid_t) lp64
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int setreuid:setreuid32(uid_t, uid_t) lp32
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int setreuid:setreuid(uid_t, uid_t) lp64
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int setresgid:setresgid32(gid_t, gid_t, gid_t) lp32
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int setresgid:setresgid(gid_t, gid_t, gid_t) lp64
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# setresuid is explicitly allowed, see above.
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int setfsgid(gid_t) all
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int setfsuid(uid_t) all
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int setgroups:setgroups32(int, const gid_t*) lp32
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int setgroups:setgroups(int, const gid_t*) lp64
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# syscalls to modify times
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int adjtimex(struct timex*) all
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int clock_adjtime(clockid_t, struct timex*) all
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int clock_settime(clockid_t, const struct timespec*) all
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int settimeofday(const struct timeval*, const struct timezone*) all
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int acct(const char* filepath) all
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int klogctl:syslog(int, char*, int) all
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int chroot(const char*) all
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# syscalls to change machine various configurations
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int init_module(void*, unsigned long, const char*) all
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int delete_module(const char*, unsigned int) all
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int mount(const char*, const char*, const char*, unsigned long, const void*) all
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int umount2(const char*, int) all
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int swapon(const char*, int) all
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int swapoff(const char*) all
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int setdomainname(const char*, size_t) all
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int sethostname(const char*, size_t) all
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int __reboot:reboot(int, int, int, void*) all
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