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authorLibravatarLibravatar william <william+macosx@25thandclement.com> 2015-06-04 18:27:35 -0700
committerLibravatarLibravatar william <william+macosx@25thandclement.com> 2015-06-04 18:27:35 -0700
commit5fa11721a7b3dddf5a7e41a164428749a60b7c44 (patch)
tree57b0cd472c68900fb9f299cbcbb94ec44d22af5b /src
parent53bcdd14c76157bac713414ca3df745c08b87916 (diff)
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permit getting extension by index (1-based indexing), and add x509:getExtensionCount and crl:getExtensionCount methods
Diffstat (limited to 'src')
-rw-r--r--src/openssl.c120
1 files changed, 86 insertions, 34 deletions
diff --git a/src/openssl.c b/src/openssl.c
index a4efcdc..108ae3d 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -585,6 +585,24 @@ static size_t auxS_obj2txt(void *dst, size_t lim, const ASN1_OBJECT *obj) {
return auxS_obj2id(dst, lim, obj);
} /* auxS_obj2txt() */
+static _Bool auxS_isoid(const char *txt) {
+ return (*txt >= '0' && *txt <= '9');
+} /* auxS_isoid() */
+
+static _Bool auxS_txt2obj(ASN1_OBJECT **obj, const char *txt) {
+ int nid;
+
+ if ((nid = OBJ_sn2nid(txt)) != NID_undef
+ || (nid = OBJ_ln2nid(txt)) != NID_undef) {
+ return NULL != (*obj = OBJ_nid2obj(nid));
+ } else if (auxS_isoid(txt)) {
+ return NULL != (*obj = OBJ_txt2obj(txt, 1));
+ } else {
+ *obj = NULL;
+ return 1;
+ }
+} /* auxS_txt2obj() */
+
/*
* Auxiliary Lua API routines
@@ -3867,35 +3885,51 @@ static int xc_addExtension(lua_State *L) {
static int xc_getExtension(lua_State *L) {
X509 *crt = checksimple(L, 1, X509_CERT_CLASS);
- const char *name = luaL_checkstring(L, 2);
- X509_EXTENSION *ext, **ud;
- ASN1_OBJECT *obj = NULL;
+ X509_EXTENSION *ext = NULL, **ud;
+ int i;
- if (!(obj = OBJ_txt2obj(name, 0)))
- goto error;
+ luaL_checkany(L, 2);
- int i = X509_get_ext_by_OBJ(crt, obj, -1);
- if (i > -1) {
- ud = prepsimple(L, X509_EXT_CLASS);
- if (!(ext = X509_get0_ext(crt, i)))
- goto error;
- if (!(*ud = X509_EXTENSION_dup(ext)))
- goto error;
+ if (lua_type(L, 2) == LUA_TNUMBER) {
+ /* NB: Lua 1-based indexing */
+ i = auxL_checkinteger(L, 2, 1, INT_MAX) - 1;
} else {
- lua_pushnil(L);
+ ASN1_OBJECT *obj;
+
+ if (!auxS_txt2obj(&obj, luaL_checkstring(L, 2))) {
+ goto error;
+ } else if (!obj) {
+ goto undef;
+ }
+
+ i = X509_get_ext_by_OBJ(crt, obj, -1);
+
+ ASN1_OBJECT_free(obj);
}
- ASN1_OBJECT_free(obj);
+ ud = prepsimple(L, X509_EXT_CLASS);
+
+ if (i < 0 || !(ext = X509_get0_ext(crt, i)))
+ goto undef;
+
+ if (!(*ud = X509_EXTENSION_dup(ext)))
+ goto error;
return 1;
+undef:
+ return 0;
error:
- if (obj)
- ASN1_OBJECT_free(obj);
-
return auxL_error(L, auxL_EOPENSSL, "x509.cert:getExtension");
} /* xc_getExtension() */
+static int xc_getExtensionCount(lua_State *L) {
+ auxL_pushinteger(L, X509_get_ext_count(checksimple(L, 1, X509_CERT_CLASS)));
+
+ return 1;
+} /* xc_getExtensionCount() */
+
+
static int xc_isIssuedBy(lua_State *L) {
X509 *crt = checksimple(L, 1, X509_CERT_CLASS);
X509 *issuer = checksimple(L, 2, X509_CERT_CLASS);
@@ -4134,6 +4168,7 @@ static const luaL_Reg xc_methods[] = {
{ "setBasicConstraintsCritical", &xc_setBasicConstraintsCritical },
{ "addExtension", &xc_addExtension },
{ "getExtension", &xc_getExtension },
+ { "getExtensionCount", &xc_getExtensionCount },
{ "isIssuedBy", &xc_isIssuedBy },
{ "getPublicKey", &xc_getPublicKey },
{ "setPublicKey", &xc_setPublicKey },
@@ -4618,35 +4653,51 @@ static int xx_addExtension(lua_State *L) {
static int xx_getExtension(lua_State *L) {
X509_CRL *crl = checksimple(L, 1, X509_CRL_CLASS);
- const char *name = luaL_checkstring(L, 2);
- X509_EXTENSION *ext, **ud;
- ASN1_OBJECT *obj = NULL;
+ X509_EXTENSION *ext = NULL, **ud;
+ int i;
- if (!(obj = OBJ_txt2obj(name, 0)))
- goto error;
+ luaL_checkany(L, 2);
- int i = X509_CRL_get_ext_by_OBJ(crl, obj, -1);
- if (i > -1) {
- ud = prepsimple(L, X509_CRL_CLASS);
- if (!(ext = X509_CRL_get0_ext(crl, i)))
- goto error;
- if (!(*ud = X509_EXTENSION_dup(ext)))
- goto error;
+ if (lua_type(L, 2) == LUA_TNUMBER) {
+ /* NB: Lua 1-based indexing */
+ i = auxL_checkinteger(L, 2, 1, INT_MAX) - 1;
} else {
- lua_pushnil(L);
+ ASN1_OBJECT *obj;
+
+ if (!auxS_txt2obj(&obj, luaL_checkstring(L, 2))) {
+ goto error;
+ } else if (!obj) {
+ goto undef;
+ }
+
+ i = X509_CRL_get_ext_by_OBJ(crl, obj, -1);
+
+ ASN1_OBJECT_free(obj);
}
- ASN1_OBJECT_free(obj);
+ ud = prepsimple(L, X509_EXT_CLASS);
+
+ if (i < 0 || !(ext = X509_CRL_get0_ext(crl, i)))
+ goto undef;
+
+ if (!(*ud = X509_EXTENSION_dup(ext)))
+ goto error;
return 1;
+undef:
+ return 0;
error:
- if (obj)
- ASN1_OBJECT_free(obj);
-
return auxL_error(L, auxL_EOPENSSL, "x509.crl:getExtension");
} /* xx_getExtension() */
+static int xx_getExtensionCount(lua_State *L) {
+ auxL_pushinteger(L, X509_CRL_get_ext_count(checksimple(L, 1, X509_CRL_CLASS)));
+
+ return 1;
+} /* xx_getExtensionCount() */
+
+
static int xx_sign(lua_State *L) {
X509_CRL *crl = checksimple(L, 1, X509_CRL_CLASS);
EVP_PKEY *key = checksimple(L, 2, PKEY_CLASS);
@@ -4727,6 +4778,7 @@ static const luaL_Reg xx_methods[] = {
{ "add", &xx_add },
{ "addExtension", &xx_addExtension },
{ "getExtension", &xx_getExtension },
+ { "getExtensionCount", &xx_getExtensionCount },
{ "sign", &xx_sign },
{ "text", &xx_text },
{ "tostring", &xx__tostring },