61 lines
1.5 KiB
Bash
Executable File
61 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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set -e
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cd $(dirname $0)
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. ../../common/config.sh
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. ../../common/log.sh
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log_start "$0" "setup gid mapping"
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save_config
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unpriv_userns=$( sysctl -n kernel.unprivileged_userns_clone )
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# restore the system on exit
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trap 'log_status "$0" "FAILURE"; restore_config; \
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rm -rf /tmp/test-gidmap; \
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sysctl -q kernel.unprivileged_userns_clone=$unpriv_userns' 0
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change_config
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echo -n "Enable unprivileged user namespaces... "
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sysctl -q kernel.unprivileged_userns_clone=1
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echo "OK"
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echo -n "Create world writable tmp directory... "
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mkdir -m 0777 /tmp/test-gidmap
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echo "OK"
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echo -n "setup gidmapping... "
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runuser foo -g foo -c "unshare -U sleep 10 & pid=\$!; \
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newgidmap \$pid 0 1000 1 1 1000000 1000; ret=\$?; \
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cat /proc/\$pid/gid_map >/tmp/test-gidmap/gid_map;
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kill \$pid; exit \$ret"
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../../common/compare_file.pl /tmp/test-gidmap/gid_map data/gid_map
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echo "OK"
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echo -n "Try to setup gidmapping with different primary group... "
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runuser foo -g bar -c "unshare -U sleep 10 & pid=\$!; \
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newgidmap \$pid 0 1001 1 1 1000000 1000 2>/tmp/test-gidmap/newgidmap.err; ret=\$?; \
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kill \$pid; exit \$ret" && exit 1 || {
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status=$?
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}
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echo "OK"
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echo -n "newgidmap returned status ($status)... "
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test "status" != 0
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echo "OK"
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echo -n "Check that there were a failure message... "
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grep -q 'newgidmap: Target [0-9]* is owned by a different' /tmp/test-gidmap/newgidmap.err
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echo "error message OK."
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log_status "$0" "SUCCESS"
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sysctl -q kernel.unprivileged_userns_clone=$unpriv_userns
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rm -rf /tmp/test-gidmap;
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restore_config
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trap '' 0
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