╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ serve_ssh.zig ────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭0cb27677..╮ 0cb27677.. haxy: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues patches new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (700) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─╯
.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig notify.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.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
621 if (!holder.role.atLeast(min_role)) return .denied; 622 return .{ 623 .allowed = switch (service) { 624 .upload_pack => .fetch, 625 .receive_pack => blk: { 626 const names = try repo.repo.event.protectedBranchNames(arena.allocator()); 627 // members change protected branches only by merging a patch 628 const owner = holder.role == .owner; 629 break :blk .{ .push = .{ 630 .user_id = holder.id, 631 .author = try commitAuthor(moment, arena, &holder.id), 632 .protected_branches = if (owner) names else &.{}, 633 .locked_branches = if (owner) &.{} else names, 634 .owner = owner, 635 } }; 636 }, 637 }, 638 }; 639 } 640 641 // an active user as a commit author 642 fn commitAuthor( 643 moment: evt.AdminDB.HashMap(.read_only), 644 arena: *std.heap.ArenaAllocator, 645 user_id: *const [evt.event_id_size]u8, 646 ) !evt.CommitAuthor { 647 const user = (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, user_id)) orelse unreachable; 648 return .{ .name = user.event.name, .email = user.event.email }; 649 } 650 651 // the authorized_keys line of a pubkey blob: its type, then the blob in base64 652 fn authorizedKeyLine(allocator: std.mem.Allocator, blob: []const u8) ![]const u8 { 653 var reader = std.Io.Reader.fixed(blob); 654 const key_type = try ssh.takeString(&reader, 64); 655 const encoder = std.base64.standard.Encoder; 656 const line = try allocator.alloc(u8, key_type.len + 1 + encoder.calcSize(blob.len)); 657 @memcpy(line[0..key_type.len], key_type); 658 line[key_type.len] = ' '; 659 _ = encoder.encode(line[key_type.len + 1 ..], blob); 660 return line; 661 } 662 663 fn writeError(sess: *ssh.SessionCtx, comptime msg: []const u8) !void { 664 const body = "ERR haxy ssh: " ++ msg; 665 var packet: [body.len + 4]u8 = undefined; 666 const line = try std.fmt.bufPrint(&packet, "{x:0>4}{s}", .{ packet.len, body }); 667 try sess.writeBytes(line); 668 try sess.exit(1); 669 } 670 671 test "parseGitCommand rejects malformed input" { 672 const allocator = std.testing.allocator; 673 try std.testing.expectError(error.InvalidCommand, parseGitCommand(allocator, "git-upload-pack")); 674 try std.testing.expectError(error.UnsupportedService, parseGitCommand(allocator, "ls -la")); 675 try std.testing.expectError(error.UnsupportedService, parseGitCommand(allocator, "git-fake-pack 'repo'")); 676 } 677 678 test "parseGitCommand happy paths" { 679 const allocator = std.testing.allocator; 680 681 { 682 const parsed = try parseGitCommand(allocator, "git-upload-pack 'some-repo'"); 683 defer parsed.deinit(allocator); 684 try std.testing.expectEqual(GitService.upload_pack, parsed.service); 685 try std.testing.expectEqualStrings("some-repo", parsed.dir); 686 } 687 { 688 const parsed = try parseGitCommand(allocator, "git-receive-pack 'user/proj'"); 689 defer parsed.deinit(allocator); 690 try std.testing.expectEqual(GitService.receive_pack, parsed.service); 691 try std.testing.expectEqualStrings("user/proj", parsed.dir); 692 } 693 { 694 const parsed = try parseGitCommand(allocator, "git-upload-pack repo"); 695 defer parsed.deinit(allocator); 696 try std.testing.expectEqual(GitService.upload_pack, parsed.service); 697 try std.testing.expectEqualStrings("repo", parsed.dir); 698 } 699 } 700