+static STACK_OF(NAME_FUNCS) *name_funcs_stack;
+
+/*
+ * The LHASH callbacks now use the raw "void *" prototypes and do
+ * per-variable casting in the functions. This prevents function pointer
+ * casting without the need for macro-generated wrapper functions.
+ */
+
+static unsigned long obj_name_hash(const OBJ_NAME *a);
+static int obj_name_cmp(const OBJ_NAME *a, const OBJ_NAME *b);
+
+int OBJ_NAME_init(void)
+{
+ if (names_lh != NULL)
+ return (1);
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+ names_lh = lh_OBJ_NAME_new(obj_name_hash, obj_name_cmp);
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+ return (names_lh != NULL);
+}
+
+int OBJ_NAME_new_index(unsigned long (*hash_func) (const char *),
+ int (*cmp_func) (const char *, const char *),
+ void (*free_func) (const char *, int, const char *))
+{
+ int ret, i, push;
+ NAME_FUNCS *name_funcs;
+
+ if (name_funcs_stack == NULL) {
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+ name_funcs_stack = sk_NAME_FUNCS_new_null();
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+ }
+ if (name_funcs_stack == NULL) {
+ /* ERROR */
+ return (0);
+ }
+ ret = names_type_num;
+ names_type_num++;
+ for (i = sk_NAME_FUNCS_num(name_funcs_stack); i < names_type_num; i++) {
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+ name_funcs = OPENSSL_zalloc(sizeof(*name_funcs));
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+ if (name_funcs == NULL) {
+ OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX, ERR_R_MALLOC_FAILURE);
+ return (0);
+ }
+ name_funcs->hash_func = OPENSSL_LH_strhash;
+ name_funcs->cmp_func = obj_strcmp;
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+
+ push = sk_NAME_FUNCS_push(name_funcs_stack, name_funcs);
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+
+ if (!push) {
+ OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(name_funcs);
+ return 0;
+ }
+ }
+ name_funcs = sk_NAME_FUNCS_value(name_funcs_stack, ret);
+ if (hash_func != NULL)
+ name_funcs->hash_func = hash_func;
+ if (cmp_func != NULL)
+ name_funcs->cmp_func = cmp_func;
+ if (free_func != NULL)
+ name_funcs->free_func = free_func;
+ return (ret);
+}
+
+static int obj_name_cmp(const OBJ_NAME *a, const OBJ_NAME *b)
+{
+ int ret;
+
+ ret = a->type - b->type;
+ if (ret == 0) {
+ if ((name_funcs_stack != NULL)
+ && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type)) {
+ ret = sk_NAME_FUNCS_value(name_funcs_stack,
+ a->type)->cmp_func(a->name, b->name);
+ } else
+ ret = strcmp(a->name, b->name);
+ }
+ return (ret);
+}
+
+static unsigned long obj_name_hash(const OBJ_NAME *a)
+{
+ unsigned long ret;
+
+ if ((name_funcs_stack != NULL)
+ && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type)) {
+ ret =
+ sk_NAME_FUNCS_value(name_funcs_stack,
+ a->type)->hash_func(a->name);
+ } else {
+ ret = OPENSSL_LH_strhash(a->name);
+ }
+ ret ^= a->type;
+ return (ret);
+}
+
+const char *OBJ_NAME_get(const char *name, int type)
+{
+ OBJ_NAME on, *ret;
+ int num = 0, alias;
+
+ if (name == NULL)
+ return (NULL);
+ if ((names_lh == NULL) && !OBJ_NAME_init())
+ return (NULL);
+
+ alias = type & OBJ_NAME_ALIAS;
+ type &= ~OBJ_NAME_ALIAS;
+
+ on.name = name;
+ on.type = type;
+
+ for (;;) {
+ ret = lh_OBJ_NAME_retrieve(names_lh, &on);
+ if (ret == NULL)
+ return (NULL);
+ if ((ret->alias) && !alias) {
+ if (++num > 10)
+ return (NULL);
+ on.name = ret->data;
+ } else {
+ return (ret->data);
+ }
+ }
+}
+
+int OBJ_NAME_add(const char *name, int type, const char *data)
+{
+ OBJ_NAME *onp, *ret;
+ int alias;
+
+ if ((names_lh == NULL) && !OBJ_NAME_init())
+ return (0);
+
+ alias = type & OBJ_NAME_ALIAS;
+ type &= ~OBJ_NAME_ALIAS;
+
+ onp = OPENSSL_malloc(sizeof(*onp));
+ if (onp == NULL) {
+ /* ERROR */
+ return 0;
+ }
+
+ onp->name = name;
+ onp->alias = alias;
+ onp->type = type;
+ onp->data = data;
+
+ ret = lh_OBJ_NAME_insert(names_lh, onp);
+ if (ret != NULL) {
+ /* free things */
+ if ((name_funcs_stack != NULL)
+ && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) {
+ /*
+ * XXX: I'm not sure I understand why the free function should
+ * get three arguments... -- Richard Levitte
+ */
+ sk_NAME_FUNCS_value(name_funcs_stack,
+ ret->type)->free_func(ret->name, ret->type,
+ ret->data);
+ }
+ OPENSSL_free(ret);
+ } else {
+ if (lh_OBJ_NAME_error(names_lh)) {
+ /* ERROR */
+ OPENSSL_free(onp);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+int OBJ_NAME_remove(const char *name, int type)
+{
+ OBJ_NAME on, *ret;
+
+ if (names_lh == NULL)
+ return (0);
+
+ type &= ~OBJ_NAME_ALIAS;
+ on.name = name;
+ on.type = type;
+ ret = lh_OBJ_NAME_delete(names_lh, &on);
+ if (ret != NULL) {
+ /* free things */
+ if ((name_funcs_stack != NULL)
+ && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) {
+ /*
+ * XXX: I'm not sure I understand why the free function should
+ * get three arguments... -- Richard Levitte
+ */
+ sk_NAME_FUNCS_value(name_funcs_stack,
+ ret->type)->free_func(ret->name, ret->type,
+ ret->data);
+ }
+ OPENSSL_free(ret);
+ return (1);
+ } else
+ return (0);
+}
+
+typedef struct {
+ int type;
+ void (*fn) (const OBJ_NAME *, void *arg);
+ void *arg;
+} OBJ_DOALL;
+
+static void do_all_fn(const OBJ_NAME *name, OBJ_DOALL *d)
+{
+ if (name->type == d->type)
+ d->fn(name, d->arg);
+}
+
+IMPLEMENT_LHASH_DOALL_ARG_CONST(OBJ_NAME, OBJ_DOALL);
+
+void OBJ_NAME_do_all(int type, void (*fn) (const OBJ_NAME *, void *arg),
+ void *arg)
+{
+ OBJ_DOALL d;
+
+ d.type = type;
+ d.fn = fn;
+ d.arg = arg;
+
+ lh_OBJ_NAME_doall_OBJ_DOALL(names_lh, do_all_fn, &d);
+}
+
+struct doall_sorted {
+ int type;
+ int n;
+ const OBJ_NAME **names;
+};
+
+static void do_all_sorted_fn(const OBJ_NAME *name, void *d_)
+{
+ struct doall_sorted *d = d_;
+
+ if (name->type != d->type)
+ return;
+
+ d->names[d->n++] = name;
+}
+
+static int do_all_sorted_cmp(const void *n1_, const void *n2_)
+{
+ const OBJ_NAME *const *n1 = n1_;
+ const OBJ_NAME *const *n2 = n2_;
+
+ return strcmp((*n1)->name, (*n2)->name);
+}
+
+void OBJ_NAME_do_all_sorted(int type,
+ void (*fn) (const OBJ_NAME *, void *arg),
+ void *arg)
+{
+ struct doall_sorted d;
+ int n;
+
+ d.type = type;
+ d.names =
+ OPENSSL_malloc(sizeof(*d.names) * lh_OBJ_NAME_num_items(names_lh));
+ /* Really should return an error if !d.names...but its a void function! */
+ if (d.names != NULL) {
+ d.n = 0;
+ OBJ_NAME_do_all(type, do_all_sorted_fn, &d);
+
+ qsort((void *)d.names, d.n, sizeof(*d.names), do_all_sorted_cmp);
+
+ for (n = 0; n < d.n; ++n)
+ fn(d.names[n], arg);
+
+ OPENSSL_free((void *)d.names);
+ }
+}
+
+static int free_type;