summaryrefslogtreecommitdiffstats
path: root/openssl/crypto/objects/o_names.c
diff options
context:
space:
mode:
Diffstat (limited to 'openssl/crypto/objects/o_names.c')
-rw-r--r--openssl/crypto/objects/o_names.c367
1 files changed, 0 insertions, 367 deletions
diff --git a/openssl/crypto/objects/o_names.c b/openssl/crypto/objects/o_names.c
deleted file mode 100644
index f106905..0000000
--- a/openssl/crypto/objects/o_names.c
+++ /dev/null
@@ -1,367 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <openssl/err.h>
-#include <openssl/lhash.h>
-#include <openssl/objects.h>
-#include <openssl/safestack.h>
-#include <openssl/e_os2.h>
-
-/*
- * Later versions of DEC C has started to add lnkage information to certain
- * functions, which makes it tricky to use them as values to regular function
- * pointers. One way is to define a macro that takes care of casting them
- * correctly.
- */
-#ifdef OPENSSL_SYS_VMS_DECC
-# define OPENSSL_strcmp (int (*)(const char *,const char *))strcmp
-#else
-# define OPENSSL_strcmp strcmp
-#endif
-
-/*
- * I use the ex_data stuff to manage the identifiers for the obj_name_types
- * that applications may define. I only really use the free function field.
- */
-DECLARE_LHASH_OF(OBJ_NAME);
-static LHASH_OF(OBJ_NAME) *names_lh = NULL;
-static int names_type_num = OBJ_NAME_TYPE_NUM;
-
-typedef struct name_funcs_st {
- unsigned long (*hash_func) (const char *name);
- int (*cmp_func) (const char *a, const char *b);
- void (*free_func) (const char *, int, const char *);
-} NAME_FUNCS;
-
-DECLARE_STACK_OF(NAME_FUNCS)
-IMPLEMENT_STACK_OF(NAME_FUNCS)
-
-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(OBJ_NAME *a); */
-static unsigned long obj_name_hash(const void *a_void);
-/* static int obj_name_cmp(OBJ_NAME *a,OBJ_NAME *b); */
-static int obj_name_cmp(const void *a_void, const void *b_void);
-
-static IMPLEMENT_LHASH_HASH_FN(obj_name, OBJ_NAME)
-static IMPLEMENT_LHASH_COMP_FN(obj_name, OBJ_NAME)
-
-int OBJ_NAME_init(void)
-{
- if (names_lh != NULL)
- return (1);
- MemCheck_off();
- names_lh = lh_OBJ_NAME_new();
- MemCheck_on();
- 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;
- int i;
- NAME_FUNCS *name_funcs;
-
- if (name_funcs_stack == NULL) {
- MemCheck_off();
- name_funcs_stack = sk_NAME_FUNCS_new_null();
- MemCheck_on();
- }
- 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++) {
- MemCheck_off();
- name_funcs = OPENSSL_malloc(sizeof(NAME_FUNCS));
- MemCheck_on();
- if (!name_funcs) {
- OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX, ERR_R_MALLOC_FAILURE);
- return (0);
- }
- name_funcs->hash_func = lh_strhash;
- name_funcs->cmp_func = OPENSSL_strcmp;
- name_funcs->free_func = 0; /* NULL is often declared to * ((void
- * *)0), which according * to Compaq C is
- * not really * compatible with a function
- * * pointer. -- Richard Levitte */
- MemCheck_off();
- sk_NAME_FUNCS_push(name_funcs_stack, name_funcs);
- MemCheck_on();
- }
- 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(OBJ_NAME *a, OBJ_NAME *b) */
-static int obj_name_cmp(const void *a_void, const void *b_void)
-{
- int ret;
- const OBJ_NAME *a = (const OBJ_NAME *)a_void;
- const OBJ_NAME *b = (const OBJ_NAME *)b_void;
-
- 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(OBJ_NAME *a) */
-static unsigned long obj_name_hash(const void *a_void)
-{
- unsigned long ret;
- const OBJ_NAME *a = (const OBJ_NAME *)a_void;
-
- 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 = 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 = (OBJ_NAME *)OPENSSL_malloc(sizeof(OBJ_NAME));
- 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);
-}
-
-struct doall {
- int type;
- void (*fn) (const OBJ_NAME *, void *arg);
- void *arg;
-};
-
-static void do_all_fn_doall_arg(const OBJ_NAME *name, struct doall *d)
-{
- if (name->type == d->type)
- d->fn(name, d->arg);
-}
-
-static IMPLEMENT_LHASH_DOALL_ARG_FN(do_all_fn, const OBJ_NAME, struct doall)
-
-void OBJ_NAME_do_all(int type, void (*fn) (const OBJ_NAME *, void *arg),
- void *arg)
-{
- struct doall d;
-
- d.type = type;
- d.fn = fn;
- d.arg = arg;
-
- lh_OBJ_NAME_doall_arg(names_lh, LHASH_DOALL_ARG_FN(do_all_fn),
- struct doall, &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(lh_OBJ_NAME_num_items(names_lh) * sizeof *d.names);
- /* Really should return an error if !d.names...but its a void function! */
- if (d.names) {
- 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;
-
-static void names_lh_free_doall(OBJ_NAME *onp)
-{
- if (onp == NULL)
- return;
-
- if (free_type < 0 || free_type == onp->type)
- OBJ_NAME_remove(onp->name, onp->type);
-}
-
-static IMPLEMENT_LHASH_DOALL_FN(names_lh_free, OBJ_NAME)
-
-static void name_funcs_free(NAME_FUNCS *ptr)
-{
- OPENSSL_free(ptr);
-}
-
-void OBJ_NAME_cleanup(int type)
-{
- unsigned long down_load;
-
- if (names_lh == NULL)
- return;
-
- free_type = type;
- down_load = lh_OBJ_NAME_down_load(names_lh);
- lh_OBJ_NAME_down_load(names_lh) = 0;
-
- lh_OBJ_NAME_doall(names_lh, LHASH_DOALL_FN(names_lh_free));
- if (type < 0) {
- lh_OBJ_NAME_free(names_lh);
- sk_NAME_FUNCS_pop_free(name_funcs_stack, name_funcs_free);
- names_lh = NULL;
- name_funcs_stack = NULL;
- } else
- lh_OBJ_NAME_down_load(names_lh) = down_load;
-}