142 lines
3.1 KiB
Bash
142 lines
3.1 KiB
Bash
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#!/bin/sh
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test_description='paths written by git-apply cannot escape the working tree'
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. ./test-lib.sh
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# tests will try to write to ../foo, and we do not
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# want them to escape the trash directory when they
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# fail
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test_expect_success 'bump git repo one level down' '
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mkdir inside &&
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mv .git inside/ &&
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cd inside
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'
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# $1 = name of file
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# $2 = current path to file (if different)
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mkpatch_add () {
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rm -f "${2:-$1}" &&
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cat <<-EOF
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diff --git a/$1 b/$1
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new file mode 100644
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index 0000000..53c74cd
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--- /dev/null
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+++ b/$1
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@@ -0,0 +1 @@
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+evil
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EOF
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}
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mkpatch_del () {
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echo evil >"${2:-$1}" &&
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cat <<-EOF
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diff --git a/$1 b/$1
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deleted file mode 100644
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index 53c74cd..0000000
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--- a/$1
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+++ /dev/null
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@@ -1 +0,0 @@
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-evil
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EOF
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}
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# $1 = name of file
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# $2 = content of symlink
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mkpatch_symlink () {
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rm -f "$1" &&
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cat <<-EOF
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diff --git a/$1 b/$1
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new file mode 120000
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index 0000000..$(printf "%s" "$2" | git hash-object --stdin)
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--- /dev/null
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+++ b/$1
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@@ -0,0 +1 @@
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+$2
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\ No newline at end of file
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EOF
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}
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test_expect_success 'cannot create file containing ..' '
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mkpatch_add ../foo >patch &&
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test_must_fail git apply patch &&
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test_path_is_missing ../foo
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'
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test_expect_success 'can create file containing .. with --unsafe-paths' '
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mkpatch_add ../foo >patch &&
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git apply --unsafe-paths patch &&
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test_path_is_file ../foo
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'
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test_expect_success 'cannot create file containing .. (index)' '
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mkpatch_add ../foo >patch &&
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test_must_fail git apply --index patch &&
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test_path_is_missing ../foo
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'
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test_expect_success 'cannot create file containing .. with --unsafe-paths (index)' '
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mkpatch_add ../foo >patch &&
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test_must_fail git apply --index --unsafe-paths patch &&
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test_path_is_missing ../foo
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'
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test_expect_success 'cannot delete file containing ..' '
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mkpatch_del ../foo >patch &&
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test_must_fail git apply patch &&
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test_path_is_file ../foo
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'
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test_expect_success 'can delete file containing .. with --unsafe-paths' '
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mkpatch_del ../foo >patch &&
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git apply --unsafe-paths patch &&
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test_path_is_missing ../foo
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'
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test_expect_success 'cannot delete file containing .. (index)' '
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mkpatch_del ../foo >patch &&
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test_must_fail git apply --index patch &&
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test_path_is_file ../foo
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'
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test_expect_success SYMLINKS 'symlink escape via ..' '
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{
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mkpatch_symlink tmp .. &&
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mkpatch_add tmp/foo ../foo
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} >patch &&
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test_must_fail git apply patch &&
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test_path_is_missing tmp &&
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test_path_is_missing ../foo
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'
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test_expect_success SYMLINKS 'symlink escape via .. (index)' '
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{
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mkpatch_symlink tmp .. &&
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mkpatch_add tmp/foo ../foo
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} >patch &&
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test_must_fail git apply --index patch &&
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test_path_is_missing tmp &&
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test_path_is_missing ../foo
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'
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test_expect_success SYMLINKS 'symlink escape via absolute path' '
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{
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mkpatch_symlink tmp "$(pwd)" &&
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mkpatch_add tmp/foo ../foo
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} >patch &&
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test_must_fail git apply patch &&
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test_path_is_missing tmp &&
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test_path_is_missing ../foo
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'
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test_expect_success SYMLINKS 'symlink escape via absolute path (index)' '
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{
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mkpatch_symlink tmp "$(pwd)" &&
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mkpatch_add tmp/foo ../foo
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} >patch &&
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test_must_fail git apply --index patch &&
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test_path_is_missing tmp &&
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test_path_is_missing ../foo
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'
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test_done
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