X-Git-Url: https://git.cameronkatri.com/ldid.git/blobdiff_plain/2edb2a9307f1bd3909dadc20e80857c6e40c00c5..33c6686fda5e2d18d26f7e0510a245487f9a0c01:/ldid.cpp diff --git a/ldid.cpp b/ldid.cpp index da4c0c7..7598b40 100644 --- a/ldid.cpp +++ b/ldid.cpp @@ -43,10 +43,15 @@ #include #ifndef LDID_NOSMIME +#include +# if OPENSSL_VERSION_MAJOR >= 3 +# include +# endif #include #include #include #include +#include #endif #ifdef __APPLE__ @@ -141,6 +146,10 @@ #define _packed \ __attribute__((packed)) +#ifndef LDID_NOSMIME +std::string password; +#endif + template struct Iterator_ { typedef typename Type_::const_iterator Result; @@ -187,8 +196,9 @@ Scope _scope(const Function_ &function) { #define _scope(function) \ _scope_(__COUNTER__, function) -#define CPU_ARCH_MASK uint32_t(0xff000000) -#define CPU_ARCH_ABI64 uint32_t(0x01000000) +#define CPU_ARCH_MASK uint32_t(0xff000000) +#define CPU_ARCH_ABI64 uint32_t(0x01000000) +#define CPU_ARCH_ABI64_32 uint32_t(0x02000000) #define CPU_TYPE_ANY uint32_t(-1) #define CPU_TYPE_VAX uint32_t( 1) @@ -207,6 +217,7 @@ Scope _scope(const Function_ &function) { #define CPU_TYPE_ARM64 (CPU_ARCH_ABI64 | CPU_TYPE_ARM) #define CPU_TYPE_POWERPC64 (CPU_ARCH_ABI64 | CPU_TYPE_POWERPC) #define CPU_TYPE_X86_64 (CPU_ARCH_ABI64 | CPU_TYPE_X86) +#define CPU_TYPE_ARM64_32 (CPU_TYPE_ARM | CPU_ARCH_ABI64_32) struct fat_header { uint32_t magic; @@ -515,6 +526,10 @@ static std::streamsize read(std::streambuf &stream, void *data, size_t size) { return writ; } +static inline void put(std::streambuf &stream, uint8_t value) { + _assert(stream.sputc(value) != EOF); +} + static inline void get(std::streambuf &stream, void *data, size_t size) { _assert(read(stream, data, size) == size); } @@ -533,6 +548,10 @@ static inline void put(std::streambuf &stream, const void *data, size_t size, co } } +static inline void put(std::streambuf &stream, const std::string &data) { + return put(stream, data.data(), data.size()); +} + static size_t most(std::streambuf &stream, void *data, size_t size) { size_t total(size); while (size > 0) @@ -559,6 +578,156 @@ Type_ Align(Type_ value, size_t align) { static const uint8_t PageShift_(0x0c); static const uint32_t PageSize_(1 << PageShift_); +static inline unsigned bytes(uint64_t value) { + return (64 - __builtin_clzll(value) + 7) / 8; +} + +static void put(std::streambuf &stream, uint64_t value, size_t length) { + length *= 8; + do put(stream, uint8_t(value >> (length -= 8))); + while (length != 0); +} + +static void der(std::streambuf &stream, uint64_t value) { + if (value < 128) + put(stream, value); + else { + unsigned length(bytes(value)); + put(stream, 0x80 | length); + put(stream, value, length); + } +} + +static std::string der(uint8_t tag, const char *value, size_t length) { + std::stringbuf data; + put(data, tag); + der(data, length); + put(data, value, length); + return data.str(); +} + +static std::string der(uint8_t tag, const char *value) { + return der(tag, value, strlen(value)); } +static std::string der(uint8_t tag, const std::string &value) { + return der(tag, value.data(), value.size()); } + +template +static void der_(std::stringbuf &data, const Type_ &values) { + size_t size(0); + for (const auto &value : values) + size += value.size(); + der(data, size); + for (const auto &value : values) + put(data, value); +} + +static std::string der(const std::vector &values) { + std::stringbuf data; + put(data, 0x30); + der_(data, values); + return data.str(); +} + +static std::string der(const std::multiset &values) { + std::stringbuf data; + put(data, 0x31); + der_(data, values); + return data.str(); +} + +static std::string der(const std::pair &value) { + const auto key(der(0x0c, value.first)); + std::stringbuf data; + put(data, 0x30); + der(data, key.size() + value.second.size()); + put(data, key); + put(data, value.second); + return data.str(); +} + +#ifndef LDID_NOPLIST +static std::string der(plist_t data) { + switch (const auto type = plist_get_node_type(data)) { + case PLIST_BOOLEAN: { + uint8_t value(0); + plist_get_bool_val(data, &value); + + std::stringbuf data; + put(data, 0x01); + der(data, 1); + put(data, value != 0 ? 1 : 0); + return data.str(); + } break; + + case PLIST_UINT: { + uint64_t value; + plist_get_uint_val(data, &value); + const auto length(bytes(value)); + + std::stringbuf data; + put(data, 0x02); + der(data, length); + put(data, value, length); + return data.str(); + } break; + + case PLIST_REAL: { + _assert(false); + } break; + + case PLIST_DATE: { + _assert(false); + } break; + + case PLIST_DATA: { + char *value; + uint64_t length; + plist_get_data_val(data, &value, &length); + _scope({ free(value); }); + return der(0x04, value, length); + } break; + + case PLIST_STRING: { + char *value; + plist_get_string_val(data, &value); + _scope({ free(value); }); + return der(0x0c, value); + } break; + + case PLIST_ARRAY: { + std::vector values; + for (auto e(plist_array_get_size(data)), i(decltype(e)(0)); i != e; ++i) + values.push_back(der(plist_array_get_item(data, i))); + return der(values); + } break; + + case PLIST_DICT: { + std::multiset values; + + plist_dict_iter iterator(NULL); + plist_dict_new_iter(data, &iterator); + _scope({ free(iterator); }); + + for (;;) { + char *key(NULL); + plist_t value(NULL); + plist_dict_next_item(data, iterator, &key, &value); + if (key == NULL) + break; + _scope({ free(key); }); + values.insert(der(std::make_pair(key, der(value)))); + } + + return der(values); + } break; + + default: { + _assert_(false, "unsupported plist type %d", type); + } break; + } +} +#endif + static inline uint16_t Swap_(uint16_t value) { return ((value >> 8) & 0x00ff) | @@ -843,6 +1012,7 @@ class FatHeader : #define CSMAGIC_EMBEDDED_SIGNATURE uint32_t(0xfade0cc0) #define CSMAGIC_EMBEDDED_SIGNATURE_OLD uint32_t(0xfade0b02) #define CSMAGIC_EMBEDDED_ENTITLEMENTS uint32_t(0xfade7171) +#define CSMAGIC_EMBEDDED_DERFORMAT uint32_t(0xfade7172) // name? #define CSMAGIC_DETACHED_SIGNATURE uint32_t(0xfade0cc1) #define CSMAGIC_BLOBWRAPPER uint32_t(0xfade0b01) @@ -852,6 +1022,8 @@ class FatHeader : #define CSSLOT_RESOURCEDIR uint32_t(0x00003) #define CSSLOT_APPLICATION uint32_t(0x00004) #define CSSLOT_ENTITLEMENTS uint32_t(0x00005) +#define CSSLOT_REPSPECIFIC uint32_t(0x00006) // name? +#define CSSLOT_DERFORMAT uint32_t(0x00007) // name? #define CSSLOT_ALTERNATE uint32_t(0x01000) #define CSSLOT_SIGNATURESLOT uint32_t(0x10000) @@ -1081,10 +1253,10 @@ static const std::vector &GetAlgorithms() { static std::vector algorithms; if (algorithms.empty()) { - if (do_sha1) - algorithms.push_back(&sha1); if (do_sha256) algorithms.push_back(&sha256); + if (do_sha1) + algorithms.push_back(&sha1); } return algorithms; @@ -1092,6 +1264,7 @@ static const std::vector &GetAlgorithms() { struct Baton { std::string entitlements_; + std::string derformat_; }; struct CodesignAllocation { @@ -1312,6 +1485,7 @@ static void Allocate(const void *idata, size_t isize, std::streambuf &output, co break; case CPU_TYPE_ARM: case CPU_TYPE_ARM64: + case CPU_TYPE_ARM64_32: align = 0xe; break; default: @@ -1339,6 +1513,9 @@ static void Allocate(const void *idata, size_t isize, std::streambuf &output, co case CPU_TYPE_ARM64: arch = "arm64"; break; + case CPU_TYPE_ARM64_32: + arch = "arm64_32"; + break; } offset = Align(offset, 1 << align); @@ -1624,8 +1801,14 @@ class Stuff { ca_(NULL) { _assert(value_ != NULL); - _assert(PKCS12_parse(value_, "", &key_, &cert_, &ca_) != 0); + if (!PKCS12_verify_mac(value_, "", 0) && password.empty()) { + char passbuf[2048]; + UI_UTIL_read_pw_string(passbuf, 2048, "Enter password: ", 0); + password = passbuf; + } + + _assert(PKCS12_parse(value_, password.c_str(), &key_, &cert_, &ca_) != 0); _assert(key_ != NULL); _assert(cert_ != NULL); @@ -1857,7 +2040,7 @@ static void get(std::string &value, X509_NAME *name, int nid) { _assert(entry != NULL); auto asn(X509_NAME_ENTRY_get_data(entry)); _assert(asn != NULL); - value.assign(reinterpret_cast(ASN1_STRING_data(asn)), ASN1_STRING_length(asn)); + value.assign(reinterpret_cast(ASN1_STRING_get0_data(asn)), ASN1_STRING_length(asn)); } #endif @@ -1951,50 +2134,47 @@ Hash Sign(const void *idata, size_t isize, std::streambuf &output, const std::st alloc += sizeof(struct BlobIndex); alloc += backing.str().size(); - if (!merge) - baton.entitlements_ = entitlements; - else { -#ifndef LDID_NOPLIST +#ifdef LDID_NOPLIST + baton.entitlements_ = entitlements; +#else + if (merge) Analyze(mach_header, fun([&](const char *data, size_t size) { baton.entitlements_.assign(data, size); })); - if (baton.entitlements_.empty()) - baton.entitlements_ = entitlements; - else if (!entitlements.empty()) { - auto combined(plist(baton.entitlements_)); - _scope({ plist_free(combined); }); - _assert(plist_get_node_type(combined) == PLIST_DICT); - - auto merging(plist(entitlements)); - _scope({ plist_free(merging); }); - _assert(plist_get_node_type(merging) == PLIST_DICT); - - plist_dict_iter iterator(NULL); - plist_dict_new_iter(merging, &iterator); - _scope({ free(iterator); }); - - for (;;) { - char *key(NULL); - plist_t value(NULL); - plist_dict_next_item(merging, iterator, &key, &value); - if (key == NULL) - break; - _scope({ free(key); }); - plist_dict_set_item(combined, key, plist_copy(value)); - } + if (!baton.entitlements_.empty() || !entitlements.empty()) { + auto combined(plist(baton.entitlements_)); + _scope({ plist_free(combined); }); + _assert(plist_get_node_type(combined) == PLIST_DICT); - char *xml(NULL); - uint32_t size; - plist_to_xml(combined, &xml, &size); - _scope({ free(xml); }); + auto merging(plist(entitlements)); + _scope({ plist_free(merging); }); + _assert(plist_get_node_type(merging) == PLIST_DICT); - baton.entitlements_.assign(xml, size); + plist_dict_iter iterator(NULL); + plist_dict_new_iter(merging, &iterator); + _scope({ free(iterator); }); + + for (;;) { + char *key(NULL); + plist_t value(NULL); + plist_dict_next_item(merging, iterator, &key, &value); + if (key == NULL) + break; + _scope({ free(key); }); + plist_dict_set_item(combined, key, plist_copy(value)); } -#else - _assert(false); -#endif + + baton.derformat_ = der(combined); + + char *xml(NULL); + uint32_t size; + plist_to_xml(combined, &xml, &size); + _scope({ free(xml); }); + + baton.entitlements_.assign(xml, size); } +#endif if (!baton.entitlements_.empty()) { special = std::max(special, CSSLOT_ENTITLEMENTS); @@ -2003,6 +2183,13 @@ Hash Sign(const void *idata, size_t isize, std::streambuf &output, const std::st alloc += baton.entitlements_.size(); } + if (!baton.derformat_.empty()) { + special = std::max(special, CSSLOT_DERFORMAT); + alloc += sizeof(struct BlobIndex); + alloc += sizeof(struct Blob); + alloc += baton.derformat_.size(); + } + size_t directory(0); directory += sizeof(struct BlobIndex); @@ -2072,6 +2259,12 @@ Hash Sign(const void *idata, size_t isize, std::streambuf &output, const std::st #endif } + if (!baton.derformat_.empty()) { + std::stringbuf data; + put(data, baton.derformat_.data(), baton.derformat_.size()); + insert(blobs, CSSLOT_DERFORMAT, CSMAGIC_EMBEDDED_DERFORMAT, data); + } + Slots posts(slots); mach_header.ForSection(fun([&](const char *segment, const char *section, void *data, size_t size) { @@ -2331,8 +2524,7 @@ void DiskFolder::Find(const std::string &root, const std::string &base, const Fu void DiskFolder::Save(const std::string &path, bool edit, const void *flag, const Functor &code) { if (!edit) { - // XXX: use nullbuf - std::stringbuf save; + NullBuffer save; code(save); } else { std::filebuf save; @@ -2471,6 +2663,8 @@ static void copy(std::streambuf &source, std::streambuf &target, size_t length, #ifndef LDID_NOPLIST static plist_t plist(const std::string &data) { + if (data.empty()) + return plist_new_dict(); plist_t plist(NULL); if (Starts(data, "bplist00")) plist_from_bin(data.data(), data.size(), &plist); @@ -2543,7 +2737,7 @@ struct Rule { Mode mode_; std::string code_; - mutable std::auto_ptr regex_; + mutable std::unique_ptr regex_; Rule(unsigned weight, Mode mode, const std::string &code) : weight_(weight), @@ -2609,7 +2803,7 @@ struct State { } }; -Bundle Sign(const std::string &root, Folder &parent, const std::string &key, State &remote, const std::string &requirements, const Functor &alter, const Progress &progress) { +Bundle Sign(const std::string &root, Folder &parent, const std::string &key, State &local, const std::string &requirements, const Functor &alter, const Progress &progress) { std::string executable; std::string identifier; @@ -2688,8 +2882,6 @@ Bundle Sign(const std::string &root, Folder &parent, const std::string &key, Sta rules2.insert(Rule{20, NoMode, "^version\\.plist$"}); } - State local; - std::string failure(mac ? "Contents/|Versions/[^/]*/Resources/" : ""); Expression nested("^(Frameworks/[^/]*\\.framework|PlugIns/[^/]*\\.appex(()|/[^/]*.app))/(" + failure + ")Info\\.plist$"); std::map bundles; @@ -2697,16 +2889,18 @@ Bundle Sign(const std::string &root, Folder &parent, const std::string &key, Sta folder.Find("", fun([&](const std::string &name) { if (!nested(name)) return; - auto bundle(root + Split(name).dir); + auto bundle(Split(name).dir); if (mac) { _assert(!bundle.empty()); bundle = Split(bundle.substr(0, bundle.size() - 1)).dir; } SubFolder subfolder(folder, bundle); - bundles[nested[1]] = Sign(bundle, subfolder, key, local, "", Starts(name, "PlugIns/") ? alter : + State remote; + bundles[nested[1]] = Sign(root + bundle, subfolder, key, remote, "", Starts(name, "PlugIns/") ? alter : static_cast &>(fun([&](const std::string &, const std::string &) -> std::string { return entitlements; })) , progress); + local.Merge(bundle, remote); }), fun([&](const std::string &name, const Functor &read) { })); @@ -2893,7 +3087,6 @@ Bundle Sign(const std::string &root, Folder &parent, const std::string &key, Sta })); })); - remote.Merge(root, local); return bundle; } @@ -2917,16 +3110,28 @@ std::string Hex(const uint8_t *data, size_t size) { } static void usage(const char *argv0) { - fprintf(stderr, "usage: %s -S[entitlements.xml] \n", argv0); - fprintf(stderr, " %s -e MobileSafari\n", argv0); - fprintf(stderr, " %s -S cat\n", argv0); - fprintf(stderr, " %s -Stfp.xml gdb\n", argv0); + fprintf(stderr, "Link Identity Editor %s\n\n", LDID_VERSION); + fprintf(stderr, "usage: %s [-Acputype:subtype] [-a] [-C[adhoc | enforcement | expires | hard |\n", argv0); + fprintf(stderr, " host | kill | library-validation | restrict | runtime]] [-D] [-d]\n"); + fprintf(stderr, " [-Enum:file] [-e] [-h] [-Kkey.p12 [-Upassword]] [-M] [-P] [-q]\n"); + fprintf(stderr, " [-r | -Sfile | -s] [-Ttimestamp] [-u] file ...\n\n"); + fprintf(stderr, "Options:\n"); + fprintf(stderr, " -S[file.xml] Pseudo-sign using the entitlements in file.xml\n"); + fprintf(stderr, " -Kkey.p12 Sign using private key in key.p12\n"); + fprintf(stderr, " -Upassword Use password to unlock key.p12\n"); + fprintf(stderr, " -M Merge entitlements with any existing\n"); + fprintf(stderr, " -h Print CDHash of file\n\n"); + fprintf(stderr, "More information: 'man ldid'\n"); } #ifndef LDID_NOTOOLS int main(int argc, char *argv[]) { #ifndef LDID_NOSMIME OpenSSL_add_all_algorithms(); +# if OPENSSL_VERSION_MAJOR >= 3 + OSSL_PROVIDER *legacy = OSSL_PROVIDER_load(NULL, "legacy"); + OSSL_PROVIDER *deflt = OSSL_PROVIDER_load(NULL, "default"); +# endif #endif union { @@ -3108,6 +3313,10 @@ int main(int argc, char *argv[]) { flag_M = true; break; + case 'U': + password = argv[argi] + 2; + break; + case 'K': if (argv[argi][2] != '\0') key.open(argv[argi] + 2, O_RDONLY, PROT_READ, MAP_PRIVATE); @@ -3401,6 +3610,13 @@ int main(int argc, char *argv[]) { ++filei; } +#ifndef LDID_NOSMIME +# if OPENSSL_VERSION_MAJOR >= 3 + OSSL_PROVIDER_unload(legacy); + OSSL_PROVIDER_unload(deflt); +# endif +#endif + return filee; } #endif