diff options
Diffstat (limited to 'util-src/hashes.c')
| -rw-r--r-- | util-src/hashes.c | 134 |
1 files changed, 62 insertions, 72 deletions
diff --git a/util-src/hashes.c b/util-src/hashes.c index ec045c1d..79ef227f 100644 --- a/util-src/hashes.c +++ b/util-src/hashes.c @@ -1,78 +1,68 @@ -/* Prosody IM v0.1 +/* Prosody IM v0.3 -- Copyright (C) 2008 Matthew Wild -- Copyright (C) 2008 Waqas Hussain -- --- This program is free software; you can redistribute it and/or --- modify it under the terms of the GNU General Public License --- as published by the Free Software Foundation; either version 2 --- of the License, or (at your option) any later version. --- --- This program is distributed in the hope that it will be useful, --- but WITHOUT ANY WARRANTY; without even the implied warranty of --- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the --- GNU General Public License for more details. --- --- You should have received a copy of the GNU General Public License --- along with this program; if not, write to the Free Software --- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- +*/ + + +/* +* hashes.c +* Lua library for sha1, sha256 and md5 hashes */ +#include <string.h> + +#include "lua.h" +#include "lauxlib.h" +#include <openssl/sha.h> +#include <openssl/md5.h> + +const char* hex_tab = "0123456789abcdef"; +void toHex(const char* in, int length, char* out) { + int i; + for (i = 0; i < length; i++) { + out[i*2] = hex_tab[(in[i] >> 4) & 0xF]; + out[i*2+1] = hex_tab[(in[i]) & 0xF]; + } +} + +#define MAKE_HASH_FUNCTION(myFunc, func, size) \ +static int myFunc(lua_State *L) { \ + size_t len; \ + const char *s = luaL_checklstring(L, 1, &len); \ + int hex_out = lua_toboolean(L, 2); \ + char hash[size]; \ + char result[size*2]; \ + func((const unsigned char*)s, len, (unsigned char*)hash); \ + if (hex_out) { \ + toHex(hash, size, result); \ + lua_pushlstring(L, result, size*2); \ + } else { \ + lua_pushlstring(L, hash, size);\ + } \ + return 1; \ +} + +MAKE_HASH_FUNCTION(Lsha1, SHA1, 20) +MAKE_HASH_FUNCTION(Lsha256, SHA256, 32) +MAKE_HASH_FUNCTION(Lmd5, MD5, 16) + +static const luaL_Reg Reg[] = +{ + { "sha1", Lsha1 }, + { "sha256", Lsha256 }, + { "md5", Lmd5 }, + { NULL, NULL } +}; -/*
-* hashes.c
-* Lua library for sha1, sha256 and md5 hashes
-*/
-
-#include <string.h>
-
-#include "lua.h"
-#include "lauxlib.h"
-#include <openssl/sha.h>
-#include <openssl/md5.h>
-
-const char* hex_tab = "0123456789abcdef";
-void toHex(const char* in, int length, char* out) {
- int i;
- for (i = 0; i < length; i++) {
- out[i*2] = hex_tab[(in[i] >> 4) & 0xF];
- out[i*2+1] = hex_tab[(in[i]) & 0xF];
- }
-}
-
-#define MAKE_HASH_FUNCTION(myFunc, func, size) \
-static int myFunc(lua_State *L) { \
- size_t len; \
- const char *s = luaL_checklstring(L, 1, &len); \
- int hex_out = lua_toboolean(L, 2); \
- char hash[size]; \
- char result[size*2]; \
- func((const unsigned char*)s, len, (unsigned char*)hash); \
- if (hex_out) { \
- toHex(hash, size, result); \
- lua_pushlstring(L, result, size*2); \
- } else { \
- lua_pushlstring(L, hash, size);\
- } \
- return 1; \
-}
-
-MAKE_HASH_FUNCTION(Lsha1, SHA1, 20)
-MAKE_HASH_FUNCTION(Lsha256, SHA256, 32)
-MAKE_HASH_FUNCTION(Lmd5, MD5, 16)
-
-static const luaL_Reg Reg[] =
-{
- { "sha1", Lsha1 },
- { "sha256", Lsha256 },
- { "md5", Lmd5 },
- { NULL, NULL }
-};
-
-LUALIB_API int luaopen_util_hashes(lua_State *L)
-{
- luaL_register(L, "hashes", Reg);
- lua_pushliteral(L, "version"); /** version */
- lua_pushliteral(L, "-3.14");
- lua_settable(L,-3);
- return 1;
-}
+LUALIB_API int luaopen_util_hashes(lua_State *L) +{ + luaL_register(L, "hashes", Reg); + lua_pushliteral(L, "version"); /** version */ + lua_pushliteral(L, "-3.14"); + lua_settable(L,-3); + return 1; +} |