diff options
Diffstat (limited to 'util-src')
| -rw-r--r-- | util-src/encodings.c | 88 | ||||
| -rw-r--r-- | util-src/hashes.c | 106 | ||||
| -rw-r--r-- | util-src/poll.c | 20 | ||||
| -rw-r--r-- | util-src/pposix.c | 4 | ||||
| -rw-r--r-- | util-src/time.c | 2 |
5 files changed, 125 insertions, 95 deletions
diff --git a/util-src/encodings.c b/util-src/encodings.c index e55a3f44..6f2676f2 100644 --- a/util-src/encodings.c +++ b/util-src/encodings.c @@ -268,6 +268,8 @@ static const luaL_Reg Reg_utf8[] = { #include <unicode/usprep.h> #include <unicode/ustring.h> #include <unicode/utrace.h> +#include <unicode/uspoof.h> +#include <unicode/uidna.h> static int icu_stringprep_prep(lua_State *L, const UStringPrepProfile *profile) { size_t input_len; @@ -321,15 +323,48 @@ UStringPrepProfile *icu_nameprep; UStringPrepProfile *icu_nodeprep; UStringPrepProfile *icu_resourceprep; UStringPrepProfile *icu_saslprep; +USpoofChecker *icu_spoofcheck; +UIDNA *icu_idna2008; + +#if (U_ICU_VERSION_MAJOR_NUM < 58) +/* COMPAT */ +#define USPOOF_CONFUSABLE (USPOOF_SINGLE_SCRIPT_CONFUSABLE | USPOOF_MIXED_SCRIPT_CONFUSABLE | USPOOF_WHOLE_SCRIPT_CONFUSABLE) +#endif /* initialize global ICU stringprep profiles */ -void init_icu() { +void init_icu(void) { UErrorCode err = U_ZERO_ERROR; utrace_setLevel(UTRACE_VERBOSE); icu_nameprep = usprep_openByType(USPREP_RFC3491_NAMEPREP, &err); icu_nodeprep = usprep_openByType(USPREP_RFC3920_NODEPREP, &err); icu_resourceprep = usprep_openByType(USPREP_RFC3920_RESOURCEPREP, &err); icu_saslprep = usprep_openByType(USPREP_RFC4013_SASLPREP, &err); + icu_spoofcheck = uspoof_open(&err); + uspoof_setChecks(icu_spoofcheck, USPOOF_CONFUSABLE, &err); + int options = UIDNA_DEFAULT; +#if 0 + /* COMPAT with future Unicode versions */ + options |= UIDNA_ALLOW_UNASSIGNED; +#endif +#if 1 + /* Forbid eg labels starting with _ */ + options |= UIDNA_USE_STD3_RULES; +#endif +#if 0 + /* TODO determine if we need this */ + options |= UIDNA_CHECK_BIDI; +#endif +#if 0 + /* UTS46 makes it sound like these are the responsibility of registrars */ + options |= UIDNA_CHECK_CONTEXTJ; + options |= UIDNA_CHECK_CONTEXTO; +#endif +#if 0 + /* This disables COMPAT with IDNA 2003 */ + options |= UIDNA_NONTRANSITIONAL_TO_ASCII; + options |= UIDNA_NONTRANSITIONAL_TO_UNICODE; +#endif + icu_idna2008 = uidna_openUTS46(options, &err); if(U_FAILURE(err)) { fprintf(stderr, "[c] util.encodings: error: %s\n", u_errorName((UErrorCode)err)); @@ -425,9 +460,10 @@ static int Lidna_to_ascii(lua_State *L) { /** idna.to_ascii(s) */ return 1; } - dest_len = uidna_IDNToASCII(ustr, ulen, dest, 1024, UIDNA_USE_STD3_RULES, NULL, &err); + UIDNAInfo info = UIDNA_INFO_INITIALIZER; + dest_len = uidna_nameToASCII(icu_idna2008, ustr, ulen, dest, 256, &info, &err); - if(U_FAILURE(err)) { + if(U_FAILURE(err) || info.errors) { lua_pushnil(L); return 1; } else { @@ -459,9 +495,10 @@ static int Lidna_to_unicode(lua_State *L) { /** idna.to_unicode(s) */ return 1; } - dest_len = uidna_IDNToUnicode(ustr, ulen, dest, 1024, UIDNA_USE_STD3_RULES, NULL, &err); + UIDNAInfo info = UIDNA_INFO_INITIALIZER; + dest_len = uidna_nameToUnicode(icu_idna2008, ustr, ulen, dest, 1024, &info, &err); - if(U_FAILURE(err)) { + if(U_FAILURE(err) || info.errors) { lua_pushnil(L); return 1; } else { @@ -477,6 +514,40 @@ static int Lidna_to_unicode(lua_State *L) { /** idna.to_unicode(s) */ } } +static int Lskeleton(lua_State *L) { + size_t len; + int32_t ulen, dest_len, output_len; + const char *s = luaL_checklstring(L, 1, &len); + UErrorCode err = U_ZERO_ERROR; + UChar ustr[1024]; + UChar dest[1024]; + char output[1024]; + + u_strFromUTF8(ustr, 1024, &ulen, s, len, &err); + + if(U_FAILURE(err)) { + lua_pushnil(L); + return 1; + } + + dest_len = uspoof_getSkeleton(icu_spoofcheck, 0, ustr, ulen, dest, 1024, &err); + + if(U_FAILURE(err)) { + lua_pushnil(L); + return 1; + } + + u_strToUTF8(output, 1024, &output_len, dest, dest_len, &err); + + if(U_SUCCESS(err)) { + lua_pushlstring(L, output, output_len); + return 1; + } + + lua_pushnil(L); + return 1; +} + #else /* USE_STRINGPREP_ICU */ /****************** libidn ********************/ @@ -558,6 +629,13 @@ LUALIB_API int luaopen_util_encodings(lua_State *L) { luaL_setfuncs(L, Reg_utf8, 0); lua_setfield(L, -2, "utf8"); +#ifdef USE_STRINGPREP_ICU + lua_newtable(L); + lua_pushcfunction(L, Lskeleton); + lua_setfield(L, -2, "skeleton"); + lua_setfield(L, -2, "confusable"); +#endif + lua_pushliteral(L, "-3.14"); lua_setfield(L, -2, "version"); return 1; diff --git a/util-src/hashes.c b/util-src/hashes.c index 903ecb6e..4c48b26f 100644 --- a/util-src/hashes.c +++ b/util-src/hashes.c @@ -26,6 +26,7 @@ typedef unsigned __int32 uint32_t; #include <openssl/sha.h> #include <openssl/md5.h> #include <openssl/hmac.h> +#include <openssl/evp.h> #if (LUA_VERSION_NUM == 501) #define luaL_setfuncs(L, R, N) luaL_register(L, NULL, R) @@ -75,44 +76,6 @@ struct hash_desc { void *ctx, *ctxo; }; -static void hmac(struct hash_desc *desc, const char *key, size_t key_len, - const char *msg, size_t msg_len, unsigned char *result) { - union xory { - unsigned char bytes[64]; - uint32_t quadbytes[16]; - }; - - int i; - unsigned char hashedKey[64]; /* Maximum used digest length */ - union xory k_ipad, k_opad; - - if(key_len > 64) { - desc->Init(desc->ctx); - desc->Update(desc->ctx, key, key_len); - desc->Final(hashedKey, desc->ctx); - key = (const char *)hashedKey; - key_len = desc->digestLength; - } - - memcpy(k_ipad.bytes, key, key_len); - memset(k_ipad.bytes + key_len, 0, 64 - key_len); - memcpy(k_opad.bytes, k_ipad.bytes, 64); - - for(i = 0; i < 16; i++) { - k_ipad.quadbytes[i] ^= HMAC_IPAD; - k_opad.quadbytes[i] ^= HMAC_OPAD; - } - - desc->Init(desc->ctx); - desc->Update(desc->ctx, k_ipad.bytes, 64); - desc->Init(desc->ctxo); - desc->Update(desc->ctxo, k_opad.bytes, 64); - desc->Update(desc->ctx, msg, msg_len); - desc->Final(result, desc->ctx); - desc->Update(desc->ctxo, result, desc->digestLength); - desc->Final(result, desc->ctxo); -} - #define MAKE_HMAC_FUNCTION(myFunc, evp, size, type) \ static int myFunc(lua_State *L) { \ unsigned char hash[size], result[2*size]; \ @@ -136,56 +99,37 @@ MAKE_HMAC_FUNCTION(Lhmac_sha256, EVP_sha256, SHA256_DIGEST_LENGTH, SHA256_CTX) MAKE_HMAC_FUNCTION(Lhmac_sha512, EVP_sha512, SHA512_DIGEST_LENGTH, SHA512_CTX) MAKE_HMAC_FUNCTION(Lhmac_md5, EVP_md5, MD5_DIGEST_LENGTH, MD5_CTX) -static int LscramHi(lua_State *L) { - union xory { - unsigned char bytes[SHA_DIGEST_LENGTH]; - uint32_t quadbytes[SHA_DIGEST_LENGTH / 4]; - }; - int i; - SHA_CTX ctx, ctxo; - unsigned char Ust[SHA_DIGEST_LENGTH]; - union xory Und; - union xory res; - size_t str_len, salt_len; - struct hash_desc desc; - const char *str = luaL_checklstring(L, 1, &str_len); - const char *salt = luaL_checklstring(L, 2, &salt_len); - char *salt2; - const int iter = luaL_checkinteger(L, 3); - - desc.Init = (int (*)(void *))SHA1_Init; - desc.Update = (int (*)(void *, const void *, size_t))SHA1_Update; - desc.Final = (int (*)(unsigned char *, void *))SHA1_Final; - desc.digestLength = SHA_DIGEST_LENGTH; - desc.ctx = &ctx; - desc.ctxo = &ctxo; +static int Lpbkdf2_sha1(lua_State *L) { + unsigned char out[SHA_DIGEST_LENGTH]; - salt2 = malloc(salt_len + 4); + size_t pass_len, salt_len; + const char *pass = luaL_checklstring(L, 1, &pass_len); + const unsigned char *salt = (unsigned char *)luaL_checklstring(L, 2, &salt_len); + const int iter = luaL_checkinteger(L, 3); - if(salt2 == NULL) { - return luaL_error(L, "Out of memory in scramHi"); + if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, EVP_sha1(), SHA_DIGEST_LENGTH, out) == 0) { + return luaL_error(L, "PKCS5_PBKDF2_HMAC() failed"); } - memcpy(salt2, salt, salt_len); - memcpy(salt2 + salt_len, "\0\0\0\1", 4); - hmac(&desc, str, str_len, salt2, salt_len + 4, Ust); - free(salt2); + lua_pushlstring(L, (char *)out, SHA_DIGEST_LENGTH); - memcpy(res.bytes, Ust, sizeof(res)); + return 1; +} - for(i = 1; i < iter; i++) { - int j; - hmac(&desc, str, str_len, (char *)Ust, sizeof(Ust), Und.bytes); - for(j = 0; j < SHA_DIGEST_LENGTH / 4; j++) { - res.quadbytes[j] ^= Und.quadbytes[j]; - } +static int Lpbkdf2_sha256(lua_State *L) { + unsigned char out[SHA256_DIGEST_LENGTH]; - memcpy(Ust, Und.bytes, sizeof(Ust)); - } + size_t pass_len, salt_len; + const char *pass = luaL_checklstring(L, 1, &pass_len); + const unsigned char *salt = (unsigned char *)luaL_checklstring(L, 2, &salt_len); + const int iter = luaL_checkinteger(L, 3); - lua_pushlstring(L, (char *)res.bytes, SHA_DIGEST_LENGTH); + if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, EVP_sha256(), SHA256_DIGEST_LENGTH, out) == 0) { + return luaL_error(L, "PKCS5_PBKDF2_HMAC() failed"); + } + lua_pushlstring(L, (char *)out, SHA_DIGEST_LENGTH); return 1; } @@ -200,7 +144,9 @@ static const luaL_Reg Reg[] = { { "hmac_sha256", Lhmac_sha256 }, { "hmac_sha512", Lhmac_sha512 }, { "hmac_md5", Lhmac_md5 }, - { "scram_Hi_sha1", LscramHi }, + { "scram_Hi_sha1", Lpbkdf2_sha1 }, /* COMPAT */ + { "pbkdf2_hmac_sha1", Lpbkdf2_sha1 }, + { "pbkdf2_hmac_sha256", Lpbkdf2_sha256 }, { NULL, NULL } }; @@ -209,7 +155,7 @@ LUALIB_API int luaopen_util_hashes(lua_State *L) { luaL_checkversion(L); #endif lua_newtable(L); - luaL_setfuncs(L, Reg, 0);; + luaL_setfuncs(L, Reg, 0); lua_pushliteral(L, "-3.14"); lua_setfield(L, -2, "version"); return 1; diff --git a/util-src/poll.c b/util-src/poll.c index 0ca0cf28..21cb9581 100644 --- a/util-src/poll.c +++ b/util-src/poll.c @@ -59,7 +59,7 @@ typedef struct Lpoll_state { /* * Add an FD to be watched */ -int Ladd(lua_State *L) { +static int Ladd(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); int fd = luaL_checkinteger(L, 2); @@ -137,7 +137,7 @@ int Ladd(lua_State *L) { /* * Set events to watch for, readable and/or writable */ -int Lset(lua_State *L) { +static int Lset(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); int fd = luaL_checkinteger(L, 2); @@ -172,6 +172,7 @@ int Lset(lua_State *L) { lua_pushnil(L); lua_pushstring(L, strerror(ENOENT)); lua_pushinteger(L, ENOENT); + return 3; } if(!lua_isnoneornil(L, 3)) { @@ -200,7 +201,7 @@ int Lset(lua_State *L) { /* * Remove FDs */ -int Ldel(lua_State *L) { +static int Ldel(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); int fd = luaL_checkinteger(L, 2); @@ -229,6 +230,7 @@ int Ldel(lua_State *L) { lua_pushnil(L); lua_pushstring(L, strerror(ENOENT)); lua_pushinteger(L, ENOENT); + return 3; } FD_CLR(fd, &state->wantread); @@ -247,7 +249,7 @@ int Ldel(lua_State *L) { /* * Check previously manipulated event state for FDs ready for reading or writing */ -int Lpushevent(lua_State *L, struct Lpoll_state *state) { +static int Lpushevent(lua_State *L, struct Lpoll_state *state) { #ifdef USE_EPOLL if(state->processed > 0) { @@ -281,7 +283,7 @@ int Lpushevent(lua_State *L, struct Lpoll_state *state) { /* * Wait for event */ -int Lwait(lua_State *L) { +static int Lwait(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); int ret = Lpushevent(L, state); @@ -344,7 +346,7 @@ int Lwait(lua_State *L) { /* * Return Epoll FD */ -int Lgetfd(lua_State *L) { +static int Lgetfd(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); lua_pushinteger(L, state->epoll_fd); return 1; @@ -353,7 +355,7 @@ int Lgetfd(lua_State *L) { /* * Close epoll FD */ -int Lgc(lua_State *L) { +static int Lgc(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); if(state->epoll_fd == -1) { @@ -375,7 +377,7 @@ int Lgc(lua_State *L) { /* * String representation */ -int Ltos(lua_State *L) { +static int Ltos(lua_State *L) { struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); lua_pushfstring(L, "%s: %p", STATE_MT, state); return 1; @@ -384,7 +386,7 @@ int Ltos(lua_State *L) { /* * Create a new context */ -int Lnew(lua_State *L) { +static int Lnew(lua_State *L) { /* Allocate state */ Lpoll_state *state = lua_newuserdata(L, sizeof(Lpoll_state)); luaL_setmetatable(L, STATE_MT); diff --git a/util-src/pposix.c b/util-src/pposix.c index 5c926603..169343b8 100644 --- a/util-src/pposix.c +++ b/util-src/pposix.c @@ -25,14 +25,18 @@ #define _DEFAULT_SOURCE #endif #endif + #if defined(__APPLE__) #ifndef _DARWIN_C_SOURCE #define _DARWIN_C_SOURCE #endif #endif + +#if ! defined(__FreeBSD__) #ifndef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 200809L #endif +#endif #include <stdlib.h> #include <math.h> diff --git a/util-src/time.c b/util-src/time.c index bfad52ee..bc6b5b1c 100644 --- a/util-src/time.c +++ b/util-src/time.c @@ -1,5 +1,5 @@ #ifndef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 199309L +#define _POSIX_C_SOURCE 200809L #endif #include <time.h> |