ollama/agent/tools/file_unix_test.go
2026-07-09 17:27:31 -07:00

121 lines
2.9 KiB
Go

//go:build !windows
package tools
import (
"context"
"os"
"path/filepath"
"strings"
"syscall"
"testing"
"time"
"github.com/ollama/ollama/agent"
)
func TestOpenRegularFileRejectsFIFO(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "pipe")
if err := syscall.Mkfifo(path, 0o600); err != nil {
t.Skipf("mkfifo unavailable: %v", err)
}
done := make(chan error, 1)
go func() {
file, _, err := openRegularFile(dir, "pipe", false)
if file != nil {
file.Close()
}
done <- err
}()
select {
case err := <-done:
if err == nil {
t.Fatal("expected FIFO to be rejected")
}
if !strings.Contains(err.Error(), "not a regular file") {
t.Fatalf("err = %v", err)
}
case <-time.After(time.Second):
t.Fatal("openRegularFile blocked on FIFO")
}
}
func TestEditPreservesModeDespiteUmask(t *testing.T) {
oldUmask := syscall.Umask(0o077)
defer syscall.Umask(oldUmask)
dir := t.TempDir()
path := filepath.Join(dir, "note.txt")
if err := os.WriteFile(path, []byte("hello\n"), 0o666); err != nil {
t.Fatal(err)
}
if err := os.Chmod(path, 0o666); err != nil {
t.Fatal(err)
}
_, err := (&Edit{}).Execute(context.Background(), agent.ToolContext{WorkingDir: dir}, map[string]any{
"path": "note.txt",
"old_text": "hello",
"new_text": "hi",
})
if err != nil {
t.Fatal(err)
}
info, err := os.Stat(path)
if err != nil {
t.Fatal(err)
}
if got := info.Mode().Perm(); got != 0o666 {
t.Fatalf("mode = %#o, want 0666", got)
}
}
func TestReadRejectsSymlinkEscapingWorkingDir(t *testing.T) {
root := t.TempDir()
secret := filepath.Join(t.TempDir(), "secret.txt")
if err := os.WriteFile(secret, []byte("top secret\n"), 0o600); err != nil {
t.Fatal(err)
}
link := filepath.Join(root, "notes")
if err := os.Symlink(secret, link); err != nil {
t.Fatal(err)
}
_, err := (&Read{}).Execute(context.Background(), agent.ToolContext{WorkingDir: root}, map[string]any{
"path": "notes",
})
if err == nil {
t.Fatal("expected symlink escaping working dir to be rejected")
}
if !strings.Contains(err.Error(), "symlink") {
t.Fatalf("err = %v, want symlink rejection", err)
}
}
func TestReadRejectsSymlinkInsideWorkingDirToOutside(t *testing.T) {
root := t.TempDir()
target := filepath.Join(root, "real.txt")
if err := os.WriteFile(target, []byte("hello\n"), 0o644); err != nil {
t.Fatal(err)
}
// A symlink to a sibling file still resolves inside the root; Read must
// reject it regardless, consistent with Edit's rejectFinalSymlink.
link := filepath.Join(root, "alias")
if err := os.Symlink(target, link); err != nil {
t.Fatal(err)
}
_, err := (&Read{}).Execute(context.Background(), agent.ToolContext{WorkingDir: root}, map[string]any{
"path": "alias",
})
if err == nil {
t.Fatal("expected symlink to be rejected even when target is inside root")
}
if !strings.Contains(err.Error(), "symlink") {
t.Fatalf("err = %v, want symlink rejection", err)
}
}