Fix EBCDIC problem in conf_def.h

[openssl.git] / crypto / dso / dso_lib.c

diff --git a/crypto/dso/dso_lib.c b/crypto/dso/dso_lib.c
index c410eac9ee8150f0470e18bfe596990a1b952ad4..a6cc700b28838ced16d1231146988a9491bdce87 100644 (file)
--- a/crypto/dso/dso_lib.c
+++ b/crypto/dso/dso_lib.c
@@ -56,42 +56,11 @@
  *
  */
 
-#include <stdio.h>
-#include <openssl/crypto.h>
-#include "internal/cryptlib.h"
-#include <openssl/dso.h>
+#include "dso_locl.h"
 
 static DSO_METHOD *default_DSO_meth = NULL;
 
-DSO *DSO_new(void)
-{
-    return (DSO_new_method(NULL));
-}
-
-void DSO_set_default_method(DSO_METHOD *meth)
-{
-    default_DSO_meth = meth;
-}
-
-DSO_METHOD *DSO_get_default_method(void)
-{
-    return (default_DSO_meth);
-}
-
-DSO_METHOD *DSO_get_method(DSO *dso)
-{
-    return (dso->meth);
-}
-
-DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth)
-{
-    DSO_METHOD *mtmp;
-    mtmp = dso->meth;
-    dso->meth = meth;
-    return (mtmp);
-}
-
-DSO *DSO_new_method(DSO_METHOD *meth)
+static DSO *DSO_new_method(DSO_METHOD *meth)
 {
     DSO *ret;
 
@@ -115,17 +84,26 @@ DSO *DSO_new_method(DSO_METHOD *meth)
         OPENSSL_free(ret);
         return (NULL);
     }
-    if (meth == NULL)
-        ret->meth = default_DSO_meth;
-    else
-        ret->meth = meth;
+    ret->meth = default_DSO_meth;
     ret->references = 1;
-    if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+    ret->lock = CRYPTO_THREAD_lock_new();
+    if (ret->lock == NULL) {
         sk_void_free(ret->meth_data);
         OPENSSL_free(ret);
+        return NULL;
+    }
+
+    if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+        DSO_free(ret);
         ret = NULL;
     }
-    return (ret);
+
+    return ret;
+}
+
+DSO *DSO_new(void)
+{
+    return DSO_new_method(NULL);
 }
 
 int DSO_free(DSO *dso)
@@ -135,27 +113,30 @@ int DSO_free(DSO *dso)
     if (dso == NULL)
         return (1);
 
-    i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO);
+    if (CRYPTO_atomic_add(&dso->references, -1, &i, dso->lock) <= 0)
+        return 0;
+
     REF_PRINT_COUNT("DSO", dso);
     if (i > 0)
-        return (1);
+        return 1;
     REF_ASSERT_ISNT(i < 0);
 
     if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
         DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
-        return (0);
+        return 0;
     }
 
     if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
         DSOerr(DSO_F_DSO_FREE, DSO_R_FINISH_FAILED);
-        return (0);
+        return 0;
     }
 
     sk_void_free(dso->meth_data);
     OPENSSL_free(dso->filename);
     OPENSSL_free(dso->loaded_filename);
+    CRYPTO_THREAD_lock_free(dso->lock);
     OPENSSL_free(dso);
-    return (1);
+    return 1;
 }
 
 int DSO_flags(DSO *dso)
@@ -165,13 +146,19 @@ int DSO_flags(DSO *dso)
 
 int DSO_up_ref(DSO *dso)
 {
+    int i;
+
     if (dso == NULL) {
         DSOerr(DSO_F_DSO_UP_REF, ERR_R_PASSED_NULL_PARAMETER);
-        return (0);
+        return 0;
     }
 
-    CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO);
-    return (1);
+    if (CRYPTO_atomic_add(&dso->references, 1, &i, dso->lock) <= 0)
+        return 0;
+
+    REF_PRINT_COUNT("DSO", r);
+    REF_ASSERT_ISNT(i < 2);
+    return ((i > 1) ? 1 : 0);
 }
 
 DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
@@ -228,26 +215,6 @@ DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
     return (NULL);
 }
 
-void *DSO_bind_var(DSO *dso, const char *symname)
-{
-    void *ret = NULL;
-
-    if ((dso == NULL) || (symname == NULL)) {
-        DSOerr(DSO_F_DSO_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
-        return (NULL);
-    }
-    if (dso->meth->dso_bind_var == NULL) {
-        DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_UNSUPPORTED);
-        return (NULL);
-    }
-    if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) {
-        DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_SYM_FAILURE);
-        return (NULL);
-    }
-    /* Success */
-    return (ret);
-}
-
 DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname)
 {
     DSO_FUNC_TYPE ret = NULL;
@@ -306,19 +273,6 @@ long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
     return (dso->meth->dso_ctrl(dso, cmd, larg, parg));
 }
 
-int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
-                           DSO_NAME_CONVERTER_FUNC *oldcb)
-{
-    if (dso == NULL) {
-        DSOerr(DSO_F_DSO_SET_NAME_CONVERTER, ERR_R_PASSED_NULL_PARAMETER);
-        return (0);
-    }
-    if (oldcb)
-        *oldcb = dso->name_converter;
-    dso->name_converter = cb;
-    return (1);
-}
-
 const char *DSO_get_filename(DSO *dso)
 {
     if (dso == NULL) {
@@ -398,27 +352,6 @@ char *DSO_convert_filename(DSO *dso, const char *filename)
     return (result);
 }
 
-const char *DSO_get_loaded_filename(DSO *dso)
-{
-    if (dso == NULL) {
-        DSOerr(DSO_F_DSO_GET_LOADED_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
-        return (NULL);
-    }
-    return (dso->loaded_filename);
-}
-
-int DSO_pathbyaddr(void *addr, char *path, int sz)
-{
-    DSO_METHOD *meth = default_DSO_meth;
-    if (meth == NULL)
-        meth = DSO_METHOD_openssl();
-    if (meth->pathbyaddr == NULL) {
-        DSOerr(DSO_F_DSO_PATHBYADDR, DSO_R_UNSUPPORTED);
-        return -1;
-    }
-    return (*meth->pathbyaddr) (addr, path, sz);
-}
-
 void *DSO_global_lookup(const char *name)
 {
     DSO_METHOD *meth = default_DSO_meth;