33 lines
690 B
Plaintext
33 lines
690 B
Plaintext
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#!/usr/bin/lua
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local GROUP = 'gluon-mesh-vpn'
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local grp = require 'posix.grp'
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local unistd = require 'posix.unistd'
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if #arg < 1 then
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io.stderr:write('Usage: gluon-wan <command> ...\n')
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os.exit(1)
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end
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local g = grp.getgrnam(GROUP)
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if not g then
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io.stderr:write(string.format("gluon-wan: unable to find group '%s'\n", GROUP))
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os.exit(1)
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end
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local ok, err = unistd.setpid('g', g.gr_gid)
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if ok ~= 0 then
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io.stderr:write(string.format("gluon-wan: unable to change to group: %s\n", err))
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os.exit(1)
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end
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arg[0] = arg[1]
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table.remove(arg, 1)
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print(arg[0], unpack(arg))
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ok, err = unistd.execp(arg[0], arg)
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io.stderr:write(string.format("gluon-wan: exec failed: %s\n", err))
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os.exit(1)
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