b891b49e08
It turns out some Android devices have an empty /etc/passwd and/or /etc/group, which was defeating the previous workaround. Switch to testing the intention more directly: we'll try the file in /etc, and if that didn't work, we'll assume we need a workaround.
44 lines
1.1 KiB
Bash
Executable File
44 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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[ -f testing.sh ] && . testing.sh
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if [ "$(id -u)" -ne 0 ]
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then
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echo "$SHOWSKIP: chown (not root)"
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return 2>/dev/null
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exit
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fi
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# We chown between user "root" and the last user in /etc/passwd,
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# and group "root" and the last group in /etc/group.
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USR="$(sed -n '$s/:.*//p' /etc/passwd)"
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GRP="$(sed -n '$s/:.*//p' /etc/group)"
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# Or if that fails, we assume we're on Android...
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: "${USR:=shell}"
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: "${GRP:=daemon}"
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# Set up a little testing hierarchy
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rm -rf testdir &&
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mkdir testdir &&
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touch testdir/file
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F=testdir/file
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# Wrapper to reset groups and return results
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OUT="&& stat --format '%U %G' $F"
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#testing "name" "command" "result" "infile" "stdin"
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# Basic smoketest
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testing "initial" "chown root:root $F $OUT" "root root\n" "" ""
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testing "usr:grp" "chown $USR:$GRP $F $OUT" "$USR $GRP\n" "" ""
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testing "root" "chown root $F $OUT" "root $GRP\n" "" ""
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# TODO: can we test "owner:"?
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testing ":grp" "chown root:root $F && chown :$GRP $F $OUT" \
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"root $GRP\n" "" ""
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testing ":" "chown $USR:$GRP $F && chown : $F $OUT" \
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"$USR $GRP\n" "" ""
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rm -rf testdir
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