+ Stuff stuff(key);
+ Buffer bio(sign);
+
+ Signature signature(stuff, sign);
+ Buffer result(signature);
+ std::string value(result);
+ put(data, value.data(), value.size());
+
+ insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data);
+ }
+
+ return put(output, CSMAGIC_EMBEDDED_SIGNATURE, blobs);
+ }));
+}
+
+static void Unsign(void *idata, size_t isize, std::streambuf &output) {
+ Allocate(idata, isize, output, fun([](size_t size) -> size_t {
+ return 0;
+ }), fun([](std::streambuf &output, size_t limit, const std::string &overlap, const char *top) -> size_t {
+ return 0;
+ }));
+}
+
+std::string DiskFolder::Path(const std::string &path) {
+ return path_ + "/" + path;
+}
+
+DiskFolder::DiskFolder(const std::string &path) :
+ path_(path)
+{
+}
+
+DiskFolder::~DiskFolder() {
+ if (!std::uncaught_exception())
+ for (const auto &commit : commit_)
+ Commit(commit.first, commit.second);
+}
+
+void DiskFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ std::filebuf save;
+ auto from(Path(path));
+ commit_[from] = Temporary(save, from);
+ code(save);
+}
+
+bool DiskFolder::Open(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ std::filebuf data;
+ auto result(data.open(Path(path).c_str(), std::ios::binary | std::ios::in));
+ if (result == NULL)
+ return false;
+ _assert(result == &data);
+ code(data);
+ return true;
+}
+
+void DiskFolder::Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)>&code) {
+ auto root(Path(path));
+
+ FTS *fts(fts_open((char *[]) {const_cast<char *>(root.c_str()), NULL}, FTS_PHYSICAL | FTS_NOCHDIR, NULL));
+ _assert(fts != NULL);
+ _scope({ fts_close(fts); });
+
+ while (FTSENT *entry = fts_read(fts)) {
+ _assert(entry->fts_pathlen >= root.size());
+ _assert(strncmp(entry->fts_path, root.c_str(), root.size()) == 0);
+ if (entry->fts_pathlen == root.size())
+ continue;
+
+ _assert(entry->fts_path[root.size()] == '/');
+ std::string name(entry->fts_path + root.size() + 1);
+
+ if (Starts(Split(name).base, ".ldid."))
+ continue;
+
+ switch (auto info = entry->fts_info) {
+ case FTS_D:
+ case FTS_DP:
+ break;
+
+ case FTS_F: {
+ code(name, fun([&](const Functor<void (std::streambuf &, std::streambuf &)> &code) {
+ std::string access(path + name);
+ _assert_(Open(access, fun([&](std::streambuf &data) {
+ NullBuffer save;
+ code(data, save);
+ })), "open(): %s", access.c_str());
+ }));
+ } break;
+
+ default:
+ _assert_(false, "fts_info=%u", info);
+ }
+ }
+}
+
+SubFolder::SubFolder(Folder *parent, const std::string &path) :
+ parent_(parent),
+ path_(path)
+{
+}
+
+void SubFolder::Save(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ return parent_->Save(path_ + path, code);
+}
+
+bool SubFolder::Open(const std::string &path, const Functor<void (std::streambuf &)> &code) {
+ return parent_->Open(path_ + path, code);
+}
+
+void SubFolder::Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code) {
+ return parent_->Find(path_ + path, code);
+}
+
+static size_t copy(std::streambuf &source, std::streambuf &target) {
+ size_t total(0);
+ for (;;) {
+ char data[4096];
+ size_t writ(source.sgetn(data, sizeof(data)));
+ if (writ == 0)
+ break;
+ _assert(target.sputn(data, writ) == writ);
+ total += writ;
+ }
+ return total;
+}
+
+static PList::Structure *plist(const std::string &data) {
+ if (!Starts(data, "bplist00"))
+ return PList::Structure::FromXml(data);
+ std::vector<char> bytes(data.data(), data.data() + data.size());
+ return PList::Structure::FromBin(bytes);
+}
+
+static void plist_d(std::streambuf &buffer, const Functor<void (PList::Dictionary *)> &code) {
+ std::stringbuf data;
+ copy(buffer, data);
+ PList::Structure *structure(plist(data.str()));
+ _scope({ delete structure; });
+ auto dictionary(dynamic_cast<PList::Dictionary *>(structure));
+ _assert(dictionary != NULL);
+ code(dictionary);
+}
+
+static std::string plist_s(PList::Node *node) {
+ auto value(dynamic_cast<PList::String *>(node));
+ _assert(value != NULL);
+ return value->GetValue();
+}
+
+enum Mode {
+ NoMode,
+ OptionalMode,
+ OmitMode,
+ NestedMode,
+ TopMode,
+};
+
+class Expression {
+ private:
+ regex_t regex_;
+
+ public:
+ Expression(const std::string &code) {
+ _assert_(regcomp(®ex_, code.c_str(), REG_EXTENDED | REG_NOSUB) == 0, "regcomp()");
+ }
+
+ ~Expression() {
+ regfree(®ex_);
+ }
+
+ bool operator ()(const std::string &data) const {
+ auto value(regexec(®ex_, data.c_str(), 0, NULL, 0));
+ if (value == REG_NOMATCH)
+ return false;
+ _assert_(value == 0, "regexec()");
+ return true;
+ }
+};
+
+struct Rule {
+ unsigned weight_;
+ Mode mode_;
+ std::string code_;
+
+ mutable std::auto_ptr<Expression> regex_;
+
+ Rule(unsigned weight, Mode mode, const std::string &code) :
+ weight_(weight),
+ mode_(mode),
+ code_(code)
+ {
+ }
+
+ Rule(const Rule &rhs) :
+ weight_(rhs.weight_),
+ mode_(rhs.mode_),
+ code_(rhs.code_)
+ {
+ }
+
+ void Compile() const {
+ regex_.reset(new Expression(code_));
+ }
+
+ bool operator ()(const std::string &data) const {
+ _assert(regex_.get() != NULL);
+ return (*regex_)(data);
+ }
+
+ bool operator <(const Rule &rhs) const {
+ if (weight_ > rhs.weight_)
+ return true;
+ if (weight_ < rhs.weight_)
+ return false;
+ return mode_ > rhs.mode_;
+ }
+};
+
+struct RuleCode {
+ bool operator ()(const Rule *lhs, const Rule *rhs) const {
+ return lhs->code_ < rhs->code_;
+ }
+};
+
+std::string Bundle(const std::string &root, Folder &folder, const std::string &key, std::map<std::string, std::vector<char>> &remote) {
+ std::string executable;
+ std::string identifier;
+
+ static const std::string info("Info.plist");
+
+ _assert_(folder.Open(info, fun([&](std::streambuf &buffer) {
+ plist_d(buffer, fun([&](PList::Dictionary *dictionary) {
+ executable = plist_s(((*dictionary)["CFBundleExecutable"]));
+ identifier = plist_s(((*dictionary)["CFBundleIdentifier"]));
+ }));
+ })), "open(): Info.plist");
+
+ std::map<std::string, std::multiset<Rule>> versions;
+
+ auto &rules1(versions[""]);
+ auto &rules2(versions["2"]);
+
+ static const std::string signature("_CodeSignature/CodeResources");
+
+ folder.Open(signature, fun([&](std::streambuf &buffer) {
+ plist_d(buffer, fun([&](PList::Dictionary *dictionary) {
+ // XXX: maybe attempt to preserve existing rules
+ }));
+ }));
+
+ if (true) {
+ rules1.insert(Rule{1, NoMode, "^"});
+ rules1.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules1.insert(Rule{1000, OptionalMode, "^.*\\.lproj/"});
+ rules1.insert(Rule{1100, OmitMode, "^.*\\.lproj/locversion.plist$"});
+ rules1.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules1.insert(Rule{1, NoMode, "^version.plist$"});
+ }
+
+ if (true) {
+ rules2.insert(Rule{11, NoMode, ".*\\.dSYM($|/)"});
+ rules2.insert(Rule{20, NoMode, "^"});
+ rules2.insert(Rule{2000, OmitMode, "^(.*/)?\\.DS_Store$"});
+ rules2.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules2.insert(Rule{10, NestedMode, "^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/"});
+ rules2.insert(Rule{1, NoMode, "^.*"});
+ rules2.insert(Rule{1000, OptionalMode, "^.*\\.lproj/"});
+ rules2.insert(Rule{1100, OmitMode, "^.*\\.lproj/locversion.plist$"});
+ rules2.insert(Rule{20, OmitMode, "^Info\\.plist$"});
+ rules2.insert(Rule{20, OmitMode, "^PkgInfo$"});
+ rules2.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"});
+ rules2.insert(Rule{10, NestedMode, "^[^/]+$"});
+ rules2.insert(Rule{20, NoMode, "^embedded\\.provisionprofile$"});
+ rules2.insert(Rule{20, NoMode, "^version\\.plist$"});
+ }
+
+ std::map<std::string, std::vector<char>> local;
+
+ static Expression nested("^PlugIns/[^/]*\\.appex/Info\\.plist$");
+
+ folder.Find("", fun([&](const std::string &name, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &code) {
+ if (!nested(name))
+ return;
+ auto bundle(root + Split(name).dir);
+ SubFolder subfolder(&folder, bundle);
+ Bundle(bundle, subfolder, key, local);
+ }));
+
+ folder.Find("", fun([&](const std::string &name, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &code) {
+ if (name == executable || name == signature)
+ return;
+
+ auto &hash(local[name]);
+ if (!hash.empty())
+ return;
+
+ code(fun([&](std::streambuf &data, std::streambuf &save) {
+ HashProxy proxy(hash, save);
+ copy(data, proxy);
+ }));
+
+ _assert(hash.size() == SHA_DIGEST_LENGTH);
+ }));
+
+ PList::Dictionary plist;
+
+ for (const auto &version : versions) {
+ PList::Dictionary files;
+
+ for (const auto &rule : version.second)
+ rule.Compile();
+
+ for (const auto &hash : local)
+ for (const auto &rule : version.second)
+ if (rule(hash.first)) {
+ if (rule.mode_ == NoMode)
+ files.Set(hash.first, PList::Data(hash.second));
+ else if (rule.mode_ == OptionalMode) {
+ PList::Dictionary entry;
+ entry.Set("hash", PList::Data(hash.second));
+ entry.Set("optional", PList::Boolean(true));
+ files.Set(hash.first, entry);
projects / ldid.git / blobdiff