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sk.h
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101 lines (90 loc) · 5.45 KB
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/* vim: set filetype=c : */
/*
STACK\_OF(CTYPE) object just like STACK\_OF(X509) are high frequency used,
in x509, pkcs7, pkcs12 and others module, and it has complex APIs in openssl.
In lua-openssl, all of STACK\_OF(CTYPE) C side objects are mapping to array
actually table in Lua side, and follow the rules of the Lua array, start
index from 1, not 0 in C world.
E.g C side STACK\_OF(X509) and Lua side array {cert1,cert2,...,certn} can
be automatic convert in lua\-openssl if need.
*/
#include "openssl.h"
#ifdef CRYPTO_LOCK_REF
#if OPENSSL_VERSION_NUMBER < 0x10100000L
#define REF_OR_DUP(TYPE, x) CRYPTO_add(&x->references,1,CRYPTO_LOCK_##TYPE)
#else
#define REF_OR_DUP(TYPE, x) TYPE##_up_ref(x)
#endif
#else
#define REF_OR_DUP(TYPE, x) x = TYPE##_dup(x)
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000L
#define TAB2SK(TYPE, type) \
STACK_OF(TYPE)* openssl_sk_##type##_fromtable(lua_State*L, int idx) { \
STACK_OF(TYPE) * sk; \
luaL_argcheck(L, lua_istable(L, idx), idx, \
"must be a table as array or nil"); \
sk = SKM_sk_new_null(TYPE); \
if (lua_istable(L,idx)) { \
int n = lua_rawlen(L, idx); \
int i; \
for ( i=0; i<n; i++ ) { \
TYPE *x; \
lua_rawgeti(L, idx, i+1); \
x = CHECK_OBJECT(-1,TYPE,"openssl." #type); \
REF_OR_DUP(TYPE, x); \
SKM_sk_push(TYPE, sk, x); \
lua_pop(L,1); \
} \
} \
return sk; \
}
#define SK2TAB(TYPE,type) int openssl_sk_##type##_totable(lua_State* L,const STACK_OF(TYPE) *sk) { \
int i=0, n=0; \
lua_newtable(L); \
n = SKM_sk_num(TYPE, sk); \
for(i=0;i<n;i++) { \
TYPE *x = SKM_sk_value(TYPE, sk, i); \
REF_OR_DUP(TYPE, x); \
PUSH_OBJECT(x,"openssl."#type); \
lua_rawseti(L,-2, i+1); \
} \
return 1; \
}
#else
#define TAB2SK(TYPE, type) \
STACK_OF(TYPE)* openssl_sk_##type##_fromtable(lua_State*L, int idx) { \
STACK_OF(TYPE) * sk; \
luaL_argcheck(L, lua_istable(L, idx), idx, \
"must be a table as array or nil"); \
sk = sk_##TYPE##_new_null(); \
if (lua_istable(L,idx)) { \
int n = lua_rawlen(L, idx); \
int i; \
for ( i=0; i<n; i++ ) { \
TYPE *x; \
lua_rawgeti(L, idx, i+1); \
x = CHECK_OBJECT(-1,TYPE,"openssl." #type); \
REF_OR_DUP(TYPE, x); \
sk_##TYPE##_push(sk, x); \
lua_pop(L,1); \
} \
} \
return sk; \
}
#define SK2TAB(TYPE,type) int openssl_sk_##type##_totable(lua_State* L, const STACK_OF(TYPE) *sk) { \
int i=0, n=0; \
lua_newtable(L); \
n = sk_##TYPE##_num(sk); \
for(i=0;i<n;i++) { \
TYPE *x = sk_##TYPE##_value(sk, i); \
REF_OR_DUP(TYPE, x); \
PUSH_OBJECT(x,"openssl."#type); \
lua_rawseti(L,-2, i+1); \
} \
return 1; \
}
#endif
#define IMP_LUA_SK(TYPE,type) \
TAB2SK(TYPE,type); \
SK2TAB(TYPE,type)