#include <cstdlib>
#include <cstring>
#include <fstream>
-#include <map>
+#include <iostream>
+#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <errno.h>
#include <fcntl.h>
+#include <fts.h>
+#include <regex.h>
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
+#include <sys/types.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#define _assert(expr) \
_assert_(expr, "%s", #expr)
-#define _syscall(expr) ({ \
- __typeof__(expr) _value; \
- do if ((long) (_value = (expr)) != -1) \
- break; \
- else switch (errno) { \
- case EINTR: \
- continue; \
- default: \
- _assert_(false, "errno=%u", errno); \
- } while (true); \
- _value; \
-})
+#define _syscall(expr, ...) [&] { for (;;) { \
+ auto _value(expr); \
+ if ((long) _value != -1) \
+ return _value; \
+ int error(errno); \
+ if (error == EINTR) \
+ continue; \
+ for (auto success : (long[]) {__VA_ARGS__}) \
+ if (error == success) \
+ return (decltype(expr)) -success; \
+ _assert_(false, "errno=%u", error); \
+} }()
#define _trace() \
fprintf(stderr, "_trace(%s:%u): %s\n", __FILE__, __LINE__, __FUNCTION__)
for (bool _suck(true); _suck; _suck = false) \
for (const __typeof__(*_item) &item = *_item; _suck; _suck = false)
+class _Scope {
+};
+
+template <typename Function_>
+class Scope :
+ public _Scope
+{
+ private:
+ Function_ function_;
+
+ public:
+ Scope(const Function_ &function) :
+ function_(function)
+ {
+ }
+
+ ~Scope() {
+ function_();
+ }
+};
+
+template <typename Function_>
+Scope<Function_> _scope(const Function_ &function) {
+ return Scope<Function_>(function);
+}
+
+#define _scope__(counter, function) \
+ __attribute__((__unused__)) \
+ const _Scope &_scope ## counter(_scope([&]function))
+#define _scope_(counter, function) \
+ _scope__(counter, function)
+#define _scope(function) \
+ _scope_(__COUNTER__, function)
+
struct fat_header {
uint32_t magic;
uint32_t nfat_arch;
}
};
+class NullBuffer :
+ public std::streambuf
+{
+ public:
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ return size;
+ }
+
+ virtual int_type overflow(int_type next) {
+ return next;
+ }
+};
+
+class HashBuffer :
+ public std::streambuf
+{
+ private:
+ std::vector<char> &hash_;
+ SHA_CTX context_;
+
+ public:
+ HashBuffer(std::vector<char> &hash) :
+ hash_(hash)
+ {
+ SHA1_Init(&context_);
+ }
+
+ ~HashBuffer() {
+ hash_.resize(SHA_DIGEST_LENGTH);
+ SHA1_Final(reinterpret_cast<uint8_t *>(hash_.data()), &context_);
+ }
+
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ SHA1_Update(&context_, data, size);
+ return size;
+ }
+
+ virtual int_type overflow(int_type next) {
+ if (next == traits_type::eof())
+ return sync();
+ char value(next);
+ xsputn(&value, 1);
+ return next;
+ }
+};
+
+class HashProxy :
+ public HashBuffer
+{
+ private:
+ std::streambuf &buffer_;
+
+ public:
+ HashProxy(std::vector<char> &hash, std::streambuf &buffer) :
+ HashBuffer(hash),
+ buffer_(buffer)
+ {
+ }
+
+ virtual std::streamsize xsputn(const char_type *data, std::streamsize size) {
+ _assert(HashBuffer::xsputn(data, size) == size);
+ return buffer_.sputn(data, size);
+ }
+};
+
+static bool Starts(const std::string &lhs, const std::string &rhs) {
+ return lhs.size() >= rhs.size() && lhs.compare(0, rhs.size(), rhs) == 0;
+}
+
+class Split {
+ public:
+ std::string dir;
+ std::string base;
+
+ Split(const std::string &path) {
+ size_t slash(path.rfind('/'));
+ if (slash == std::string::npos)
+ base = path;
+ else {
+ dir = path.substr(0, slash + 1);
+ base = path.substr(slash + 1);
+ }
+ }
+};
+
+static void mkdir_p(const std::string &path) {
+ if (path.empty())
+ return;
+ if (_syscall(mkdir(path.c_str(), 0755), EEXIST) == -EEXIST)
+ return;
+ auto slash(path.rfind('/', path.size() - 1));
+ if (slash == std::string::npos)
+ return;
+ mkdir_p(path.substr(0, slash));
+}
+
+static std::string Temporary(std::filebuf &file, const Split &split) {
+ std::string temp(split.dir + ".ldid." + split.base);
+ mkdir_p(split.dir);
+ _assert_(file.open(temp.c_str(), std::ios::out | std::ios::trunc | std::ios::binary) == &file, "open(): %s", temp.c_str());
+ return temp;
+}
+
static void Commit(const std::string &path, const std::string &temp) {
struct stat info;
- _syscall(stat(path.c_str(), &info));
+ if (_syscall(stat(path.c_str(), &info), ENOENT) == 0) {
#ifndef __WIN32__
- _syscall(chown(temp.c_str(), info.st_uid, info.st_gid));
+ _syscall(chown(temp.c_str(), info.st_uid, info.st_gid));
#endif
- _syscall(chmod(temp.c_str(), info.st_mode));
- _syscall(unlink(path.c_str()));
+ _syscall(chmod(temp.c_str(), info.st_mode));
+ }
+
_syscall(rename(temp.c_str(), path.c_str()));
}
}));
}
+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);
+ }
+
+ break;
+ }
+
+ plist.Set("files" + version.first, files);
+ }
+
+ for (const auto &version : versions) {
+ PList::Dictionary rules;
+
+ std::multiset<const Rule *, RuleCode> ordered;
+ for (const auto &rule : version.second)
+ ordered.insert(&rule);
+
+ for (const auto &rule : ordered)
+ if (rule->weight_ == 1 && rule->mode_ == NoMode)
+ rules.Set(rule->code_, PList::Boolean(true));
+ else {
+ PList::Dictionary entry;
+
+ switch (rule->mode_) {
+ case NoMode:
+ break;
+ case OmitMode:
+ entry.Set("omit", PList::Boolean(true));
+ break;
+ case OptionalMode:
+ entry.Set("optional", PList::Boolean(true));
+ break;
+ case NestedMode:
+ entry.Set("nested", PList::Boolean(true));
+ break;
+ case TopMode:
+ entry.Set("top", PList::Boolean(true));
+ break;
+ }
+
+ if (rule->weight_ >= 10000)
+ entry.Set("weight", PList::Integer(rule->weight_));
+ else if (rule->weight_ != 1)
+ entry.Set("weight", PList::Real(rule->weight_));
+
+ rules.Set(rule->code_, entry);
+ }
+
+ plist.Set("rules" + version.first, rules);
+ }
+
+ folder.Save(signature, fun([&](std::streambuf &save) {
+ HashProxy proxy(local[signature], save);
+ auto xml(plist.ToXml());
+ put(proxy, xml.data(), xml.size());
+ }));
+
+ folder.Open(executable, fun([&](std::streambuf &buffer) {
+ // XXX: this is a miserable fail
+ std::stringbuf temp;
+ copy(buffer, temp);
+ auto data(temp.str());
+
+ folder.Save(executable, fun([&](std::streambuf &save) {
+ Slots slots;
+ slots[1] = local.at(info);
+ slots[3] = local.at(signature);
+
+ HashProxy proxy(local[executable], save);
+ Sign(data.data(), data.size(), proxy, identifier, "", key, slots);
+ }));
+ }));
+
+ for (const auto &hash : local)
+ remote[root + hash.first] = hash.second;
+
+ return executable;
+}
+
}
int main(int argc, char *argv[]) {
char *arge;
unsigned number(strtoul(slot, &arge, 0));
_assert(arge == colon);
- std::string &hash(slots[number]);
+ std::vector<char> &hash(slots[number]);
hash.resize(SHA_DIGEST_LENGTH);
- sha1(reinterpret_cast<uint8_t *>(&hash[0]), file.data(), file.size());
+ sha1(reinterpret_cast<uint8_t *>(hash.data()), file.data(), file.size());
} break;
case 'D': flag_D = true; break;
_foreach (file, files) try {
std::string path(file);
- if (flag_S || flag_r) {
- Map input(path, O_RDONLY, PROT_READ, MAP_PRIVATE);
-
- std::string dir;
- std::string base;
+ struct stat info;
+ _syscall(stat(path.c_str(), &info));
- size_t slash(path.rfind('/'));
- if (slash == std::string::npos)
- base = path;
- else {
- dir = path.substr(0, slash + 1);
- base = path.substr(slash + 1);
- }
+ if (S_ISDIR(info.st_mode)) {
+ _assert(!flag_r);
+ ldid::DiskFolder folder(path);
+ std::map<std::string, std::vector<char>> hashes;
+ path += "/" + Bundle("", folder, key, hashes);
+ } else if (flag_S || flag_r) {
+ Map input(path, O_RDONLY, PROT_READ, MAP_PRIVATE);
- std::string temp(dir + "." + base + ".cs");
std::filebuf output;
- _assert(output.open(temp.c_str(), std::ios::out | std::ios::trunc | std::ios::binary) == &output);
+ Split split(path);
+ auto temp(Temporary(output, split));
if (flag_r)
ldid::Unsign(input.data(), input.size(), output);
else {
- std::string identifier(flag_I ?: base.c_str());
+ std::string identifier(flag_I ?: split.base.c_str());
ldid::Sign(input.data(), input.size(), output, identifier, entitlements, key, slots);
}
projects / ldid.git / commitdiff
