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Made create to grant permissions automatically.

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Creating files grants permanent permissions to them now. This makes
sense because if a program creates a new file, then it clearly can't
steal any data. This is particularly useful for programs which open an
obscene amount of auxilary files (e.g. neovim with a huge amount of
plugins).
This commit is contained in:
BritishTeapot
2025-03-30 19:48:11 +02:00
parent 62f3e5bde9
commit 57091bf0ce
2 changed files with 21 additions and 13 deletions
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27
test/test.bash
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@@ -20,27 +20,30 @@ valgrind -s ../build/icfs -o default_permissions ./protected &
sleep 5
# WARN: please don't use `>` or `>>` operators. They force **this script** to open the file, **not the program you are trying to run**. This is probably not what you mean when you want to test a specific program's access.
# WARN: avoid using touch, since it generates errors because setting times is not implemented in icfs **yet**.
# create files
zenity --set-fake-response no
touch ./protected/should-not-exist 2>/dev/null &&
echo "[ICFS-TEST]: touch can create protected/should-not-exist despite access being denied!" ||
echo "[ICFS-TEST]: OK" # EACCESS
truncate -s 0 ./protected/should-exist-anyway 2>/dev/null &&
echo "[ICFS-TEST]: OK" ||
echo "[ICFS-TEST]: truncate cannot create protected/should-exist despite access being permitted!" # OK
zenity --set-fake-response yes_tmp
touch ./protected/should-exist 2>/dev/null &&
truncate -s 0 ./protected/should-exist 2>/dev/null &&
echo "[ICFS-TEST]: OK" ||
echo "[ICFS-TEST]: touch cannot create protected/should-exist despite access being permitted!" # OK
echo "[ICFS-TEST]: truncate cannot create protected/should-exist despite access being permitted!" # OK
# write to files
zenity --set-fake-response no
echo "Linux is a cancer that attaches itself in an intellectual property sense to everything it touches." >./protected/truth 2>/dev/null &&
sed -e 'a\'"Linux is a cancer that attaches itself in an intellectual property sense to everything it touches." "./protected/truth" 2>/dev/null &&
echo "[ICFS-TEST]: echo can write to protected/lie despite access being denied!" ||
echo "[ICFS-TEST]: OK" # EACCESS
zenity --set-fake-response yes_tmp
echo "Sharing knowledge is the most fundamental act of friendship. Because it is a way you can give something without loosing something." >./protected/truth 2>/dev/null &&
sed -e 'a\'"Sharing knowledge is the most fundamental act of friendship. Because it is a way you can give something without loosing something." "./protected/truth" 2>/dev/null &&
echo "[ICFS-TEST]: OK" ||
echo "[ICFS-TEST]: echo cannot write to protected/truth despite access being permitted!" # OK
@@ -90,17 +93,17 @@ chmod 000 ./protected/perm000 2>/dev/null &&
echo "[ICFS-TEST]: OK" ||
echo "[ICFS-TEST]: chmod cannot change permissions of protected/perm000 despite access being permitted!" # OK
# create files with permanent permissions
# test permanent permissions
zenity --set-fake-response yes
touch ./protected/friendly 2>/dev/null &&
cat ./protected/motto >/dev/null 2>/dev/null &&
echo "[ICFS-TEST]: OK" ||
echo "[ICFS-TEST]: touch cannot create protected/friendly despite access being permitted!" # OK
echo "[ICFS-TEST]: echo cannot read protected/motto despite access being permitted!" # OK
zenity --set-fake-response no # this should be ignored
touch ./protected/friendly-again 2>/dev/null &&
cat ./protected/motto >/dev/null 2>/dev/null &&
echo "[ICFS-TEST]: OK" ||
echo "[ICFS-TEST]: touch cannot create protected/friendly-again despite access being permitted!" # OK
echo "[ICFS-TEST]: echo cannot read protected/motto despite access being permitted!" # OK
# unmount