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99 lines
2.4 KiB
Plaintext
99 lines
2.4 KiB
Plaintext
#
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# \brief Test for assigning custom UIDs and GIDs to Genode processes
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# \author Norman Feske
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# \date 2012-11-21
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#
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build "core init test/printf"
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assert_spec linux
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create_boot_directory
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install_config {
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<config>
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<parent-provides>
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<service name="LOG"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="ROM"/>
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</parent-provides>
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<default-route>
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<any-service><parent/></any-service>
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</default-route>
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<start name="init_55_66" uid="55" gid="66">
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<binary name="init" />
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<resource name="RAM" quantum="1M"/>
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<config/>
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</start>
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<!-- we expect the GID of init_77 to equal the UID -->
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<start name="init_77" uid="77">
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<binary name="init" />
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<resource name="RAM" quantum="1M"/>
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<config>
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<parent-provides>
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<service name="LOG"/>
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<service name="ROM"/>
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</parent-provides>
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<default-route>
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<any-service><parent/></any-service>
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</default-route>
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<!-- we expect the GID and UID of init_sub_77 to inherit
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its UID and GIDs from its parent policy. -->
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<start name="init_sub_77">
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<binary name="init" />
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<resource name="RAM" quantum="1M"/>
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<config/>
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</start>
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</config>
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</start>
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</config>
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}
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#
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# Copy boot modules into run directory
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#
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# We cannot use the predefined 'build_boot_image' function here because
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# this would create mere symlinks. However, we need to enable the setuid
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# and setgid capabilities for core, which won't work if core were a symlink.
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#
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foreach binary { core ld.lib.so init } {
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exec cp -H bin/$binary [run_dir] }
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#
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# Allow core to set arbitrary UIDs and GIDs
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#
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exec sudo setcap cap_setuid,cap_setgid=ep [run_dir]/core
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#
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# Execute Genode until the point where init_sub_77 is up
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#
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run_genode_until {\[init -> init_77 -> init_sub_77\].*No children to start.*\n} 10
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#
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# Obtain the list of Genode user processes starting with the name 'init'
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#
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set ps_output [exec ps -eo uid,gid,cmd | grep Genode | grep init]
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puts "Genode user processes:\n$ps_output"
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#
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# Validate output of ps
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#
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# We are only interested in the lines for the init instances with the
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# customized UIDs and GIDs.
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#
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if {![regexp {55\s*66 \[Genode\] init_55_66} $ps_output]
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|| ![regexp {77\s*77 \[Genode\] init_77} $ps_output]
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|| ![regexp {77\s*77 \[Genode\] init_77 -> init_sub_77} $ps_output]} {
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puts stderr "Unexpected output of ps"
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exit 1
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}
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puts "Test succeeded"
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