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UserspaceEmulator: Implement the setuid() and setgid() syscalls
Note that running a setuid program (e.g /bin/ping) in UE does not actually run uid=0. You'll have to run UE itself as uid=0 if you want to test programs that do setuid/setgid.
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Notes:
sideshowbarker
2024-07-19 04:34:03 +09:00
Author: https://github.com/awesomekling
Commit: d9f933df7b
2 changed files with 16 additions and 0 deletions
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@ -278,6 +278,10 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
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return virt$getuid();
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case SC_getgid:
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return virt$getgid();
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case SC_setuid:
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return virt$setuid(arg1);
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case SC_setgid:
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return virt$setgid(arg2);
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case SC_close:
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return virt$close(arg1);
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case SC_fstat:
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@ -791,6 +795,16 @@ gid_t Emulator::virt$getgid()
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return getgid();
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}
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int Emulator::virt$setuid(uid_t uid)
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{
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return syscall(SC_setuid, uid);
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}
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int Emulator::virt$setgid(gid_t gid)
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{
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return syscall(SC_setgid, gid);
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}
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u32 Emulator::virt$write(int fd, FlatPtr data, ssize_t size)
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{
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if (size < 0)
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