Working on SFTP

1 files changed, 84 insertions, 0 deletions

diff --git a/internal/encoding/ssh/filexfer/fxp_test.go b/internal/encoding/ssh/filexfer/fxp_test.go
new file mode 100644
index 0000000..14e8ff7
--- /dev/null
+++ b/internal/encoding/ssh/filexfer/fxp_test.go
@@ -0,0 +1,84 @@
+package filexfer
+
+import (
+	"bufio"
+	"regexp"
+	"strconv"
+	"strings"
+	"testing"
+)
+
+// This string data is copied verbatim from https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13
+var fxpStandardsText = `
+SSH_FXP_INIT                1
+SSH_FXP_VERSION             2
+SSH_FXP_OPEN                3
+SSH_FXP_CLOSE               4
+SSH_FXP_READ                5
+SSH_FXP_WRITE               6
+SSH_FXP_LSTAT               7
+SSH_FXP_FSTAT               8
+SSH_FXP_SETSTAT             9
+SSH_FXP_FSETSTAT           10
+SSH_FXP_OPENDIR            11
+SSH_FXP_READDIR            12
+SSH_FXP_REMOVE             13
+SSH_FXP_MKDIR              14
+SSH_FXP_RMDIR              15
+SSH_FXP_REALPATH           16
+SSH_FXP_STAT               17
+SSH_FXP_RENAME             18
+SSH_FXP_READLINK           19
+SSH_FXP_SYMLINK            20 // Deprecated in filexfer-13 added from filexfer-02
+SSH_FXP_LINK               21
+SSH_FXP_BLOCK              22
+SSH_FXP_UNBLOCK            23
+
+SSH_FXP_STATUS            101
+SSH_FXP_HANDLE            102
+SSH_FXP_DATA              103
+SSH_FXP_NAME              104
+SSH_FXP_ATTRS             105
+
+SSH_FXP_EXTENDED          200
+SSH_FXP_EXTENDED_REPLY    201
+`
+
+func TestFxpNames(t *testing.T) {
+	whitespace := regexp.MustCompile(`[[:space:]]+`)
+
+	scan := bufio.NewScanner(strings.NewReader(fxpStandardsText))
+
+	for scan.Scan() {
+		line := scan.Text()
+		if i := strings.Index(line, "//"); i >= 0 {
+			line = line[:i]
+		}
+
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+
+		fields := whitespace.Split(line, 2)
+		if len(fields) < 2 {
+			t.Fatalf("unexpected standards text line: %q", line)
+		}
+
+		name, value := fields[0], fields[1]
+		n, err := strconv.Atoi(value)
+		if err != nil {
+			t.Fatal("unexpected error:", err)
+		}
+
+		fxp := PacketType(n)
+
+		if got := fxp.String(); got != name {
+			t.Errorf("fxp name mismatch for %d: got %q, but want %q", n, got, name)
+		}
+	}
+
+	if err := scan.Err(); err != nil {
+		t.Fatal("unexpected error:", err)
+	}
+}