vole
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A free and open-source forge that lives in your Git repo.
Merge change request 01M70WES5ZZDJ6RP226WB11BBZ: Let people rename and remove their own passkeys
keenan · 22m ago
4b8c9e1d
| 1 | package githttp |
| 2 | |
| 3 | import ( |
| 4 | "strings" |
| 5 | "testing" |
| 6 | ) |
| 7 | |
| 8 | // FuzzRoute drives the router that turns an anonymous request path into a |
| 9 | // repository name and the rest of the Git service path. |
| 10 | // |
| 11 | // The properties matter because the name is used as a name, not as a path: it is |
| 12 | // handed to the repository store, which must not be asked for a path that names |
| 13 | // two repositories or escapes upward. Route stops at the first slash, so the |
| 14 | // guarantee is structural, and the fuzzer's job is to show that it holds for |
| 15 | // every input rather than for the ones in the table. |
| 16 | func FuzzRoute(f *testing.F) { |
| 17 | for _, seed := range []string{ |
| 18 | "/demo.git/info/refs", |
| 19 | "/demo.git/git-upload-pack", |
| 20 | "/demo.git/git-receive-pack", |
| 21 | "/demo.git/", |
| 22 | "/demo.git", |
| 23 | "/.git/info/refs", |
| 24 | "/demo/info/refs", |
| 25 | "/demo.git/%2e%2e/info/refs", |
| 26 | "/../demo.git/info/refs", |
| 27 | "/a.git//info/refs", |
| 28 | "git/demo.git/info/refs", |
| 29 | "", |
| 30 | } { |
| 31 | f.Add(seed) |
| 32 | } |
| 33 | f.Fuzz(func(t *testing.T, path string) { |
| 34 | name, rest, ok := Route(path) |
| 35 | if !ok { |
| 36 | return |
| 37 | } |
| 38 | if name == "" { |
| 39 | t.Fatalf("Route(%q) accepted an empty repository name", path) |
| 40 | } |
| 41 | if strings.Contains(name, "/") { |
| 42 | t.Fatalf("Route(%q) returned name %q, which names more than one path segment", path, name) |
| 43 | } |
| 44 | // The same request has to route the same way when it is written back out |
| 45 | // from its own parts. That is what makes the split a route rather than a |
| 46 | // prefix that happens to match once. |
| 47 | name2, rest2, ok2 := Route("/" + name + ".git/" + rest) |
| 48 | if !ok2 || name2 != name || rest2 != rest { |
| 49 | t.Fatalf("Route(%q) = (%q, %q), but routing from those parts gives (%q, %q, %v)", path, name, rest, name2, rest2, ok2) |
| 50 | } |
| 51 | }) |
| 52 | } |
| 53 | |
| 54 | // FuzzIsPush drives the decision that separates a read from a write, which is the |
| 55 | // one call that decides whether a request is offered the receive path at all. |
| 56 | func FuzzIsPush(f *testing.F) { |
| 57 | for _, seed := range []struct{ rest, query string }{ |
| 58 | {"info/refs", "service=git-receive-pack"}, |
| 59 | {"info/refs", "service=git-upload-pack"}, |
| 60 | {"info/refs", ""}, |
| 61 | {"info/refs", "service=git-receive-pack&version=1"}, |
| 62 | {"info/refs", "service=git-upload-pack&service=git-receive-pack"}, |
| 63 | {"git-receive-pack", ""}, |
| 64 | {"git-upload-pack", ""}, |
| 65 | {"", ""}, |
| 66 | } { |
| 67 | f.Add(seed.rest, seed.query) |
| 68 | } |
| 69 | f.Fuzz(func(t *testing.T, rest, query string) { |
| 70 | push := IsPush(rest, query) |
| 71 | // A pair that names no service cannot change the answer, which is what makes |
| 72 | // the query parsing safe to extend. |
| 73 | if pushed := IsPush(rest, query+"&version=1"); pushed != push { |
| 74 | t.Fatalf("IsPush(%q, %q) = %v, but adding an unrelated pair gives %v", rest, query, push, pushed) |
| 75 | } |
| 76 | // A receive-pack path is a write whatever the query says; the query only |
| 77 | // matters for the advertisement. |
| 78 | if strings.HasPrefix(rest, "git-receive-pack") && !push { |
| 79 | t.Fatalf("IsPush(%q, %q) = false for a receive-pack path", rest, query) |
| 80 | } |
| 81 | }) |
| 82 | } |
| 83 |