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On Tue, 2009-12-15 at 18:37 +0100, Peter Stuge wrote |
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> useradd is a C program and my idea is to make it use the chroot() |
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> system call. This system call changes the root directory for the |
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> calling process. The chroot utility uses this system call, and then |
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> executes a shell or other program inside the new root. The utility |
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> will of course not work cross platform. |
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> |
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> As long as the useradd C program does not rely on other executables |
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> at runtime, which I severly doubt considering the nature of the |
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> program, calling chroot() early in useradd would work regardless of |
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> what binaries, if any, are inside the new root dir. useradd only |
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> touches the user database text files. |
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Sounds like a simple enough idea. Patches welcome? Might be worth |
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looking at how Gentoo Prefix does it first though. |
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A. |
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