HAXY

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╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ serve_ssh_protocol.zig ───────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯

╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯

.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig fork.zig lib.zig main.zig main_wasm.zig patch.zig push.zig serve.zig serve_common.zig serve_http.zig serve_ssh.zig ╭─────────────────────────────────╮ │serve_ssh_protocol.zig │ ╰─────────────────────────────────╯ test.zig testnet.zig try.zig ui.zig web.zig

2117 } 2118 2119 pub fn writeU32(buf: *std.ArrayList(u8), allocator: std.mem.Allocator, value: u32) !void { 2120 var bytes: [4]u8 = undefined; 2121 std.mem.writeInt(u32, &bytes, value, .big); 2122 try buf.appendSlice(allocator, &bytes); 2123 } 2124 2125 test "pty dimensions have bounded axes, preserving normal and zero sizes" { 2126 for ([_]struct { width: u32, height: u32, expected: PtySize }{ 2127 .{ .width = 80, .height = 24, .expected = .{ .width_cells = 80, .height_cells = 24 } }, 2128 .{ .width = 0, .height = 0, .expected = .{ .width_cells = 0, .height_cells = 0 } }, 2129 .{ .width = 0xffffffff, .height = 0xffffffff, .expected = .{ .width_cells = 512, .height_cells = 128 } }, 2130 }) |case| { 2131 var bytes: [8]u8 = undefined; 2132 std.mem.writeInt(u32, bytes[0..4], case.width, .big); 2133 std.mem.writeInt(u32, bytes[4..8], case.height, .big); 2134 var reader = std.Io.Reader.fixed(&bytes); 2135 try std.testing.expectEqual(case.expected, try takePtySize(&reader)); 2136 } 2137 } 2138 2139 test "channel close before shell or exec is acknowledged" { 2140 const io = std.testing.io; 2141 const allocator = std.testing.allocator; 2142 const key = [_]u8{0x5a} ** 64; 2143 var encoded: [256]u8 = undefined; 2144 var encoded_writer = std.Io.Writer.fixed(&encoded); 2145 var sender = Cipher.init(&key, 0); 2146 var open: std.ArrayList(u8) = .empty; 2147 defer open.deinit(allocator); 2148 try open.append(allocator, SSH_MSG_CHANNEL_OPEN); 2149 try writeStringField(&open, allocator, "session"); 2150 try writeU32(&open, allocator, 7); 2151 try writeU32(&open, allocator, 32768); 2152 try writeU32(&open, allocator, 32768); 2153 try sender.writePacket(io, &encoded_writer, &.{open.items}); 2154 try sender.writePacket(io, &encoded_writer, &.{&.{ SSH_MSG_CHANNEL_CLOSE, 0, 0, 0, 0 }}); 2155 var reader = std.Io.Reader.fixed(encoded_writer.buffered()); 2156 var output: [256]u8 = undefined; 2157 var writer = std.Io.Writer.fixed(&output); 2158 var idle = IdleState{}; 2159 var conn = Conn{ 2160 .io = io, 2161 .allocator = allocator, 2162 .reader = &reader, 2163 .writer = &writer, 2164 .cs_cipher = Cipher.init(&key, 0), 2165 .sc_cipher = Cipher.init(&key, 0), 2166 .rekey = undefined, 2167 .idle = &idle, 2168 }; 2169 const Handler = struct { 2170 pub fn handleSession(_: *@This(), _: *SessionCtx, _: Request) !void { 2171 return error.UnexpectedSession; 2172 } 2173 }; 2174 var handler = Handler{}; 2175 try runChannelLayer(&conn, &([_]u8{0} ** fingerprint_len), &handler); 2176 var output_reader = std.Io.Reader.fixed(writer.buffered()); 2177 var receiver = Cipher.init(&key, 0); 2178 const confirmation = try receiver.readPacket(allocator, &output_reader); 2179 defer allocator.free(confirmation); 2180 try std.testing.expectEqual(SSH_MSG_CHANNEL_OPEN_CONFIRMATION, confirmation[0]); 2181 const close = try receiver.readPacket(allocator, &output_reader); 2182 defer allocator.free(close); 2183 try std.testing.expectEqualSlices(u8, &.{ SSH_MSG_CHANNEL_CLOSE, 0, 0, 0, 7 }, close); 2184 try std.testing.expectEqual(0, output_reader.buffered().len); 2185 } 2186