diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/objects/o_names.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/objects/o_names.c | 140 |
1 files changed, 72 insertions, 68 deletions
diff --git a/Cryptlib/OpenSSL/crypto/objects/o_names.c b/Cryptlib/OpenSSL/crypto/objects/o_names.c index 24859926..ed98df8c 100644 --- a/Cryptlib/OpenSSL/crypto/objects/o_names.c +++ b/Cryptlib/OpenSSL/crypto/objects/o_names.c @@ -1,3 +1,12 @@ +/* + * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -7,35 +16,40 @@ #include <openssl/objects.h> #include <openssl/safestack.h> #include <openssl/e_os2.h> +#include "obj_lcl.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. + * We define this wrapper for two reasons. Firstly, later versions of + * DEC C add linkage information to certain functions, which makes it + * tricky to use them as values to regular function pointers. + * Secondly, in the EDK2 build environment, the strcmp function is + * actually an external function (AsciiStrCmp) with the Microsoft ABI, + * so we can't transparently assign function pointers to it. + * Arguably the latter is a stupidity of the UEFI environment, but + * since the wrapper solves the DEC C issue too, let's just use the + * same solution. */ -#ifdef OPENSSL_SYS_VMS_DECC -# define OPENSSL_strcmp (int (*)(const char *,const char *))strcmp +#if defined(OPENSSL_SYS_VMS_DECC) || defined(OPENSSL_SYS_UEFI) +static int obj_strcmp(const char *a, const char *b) +{ + return strcmp(a, b); +} #else -# define OPENSSL_strcmp strcmp +#define obj_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 { +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; @@ -45,21 +59,16 @@ static STACK_OF(NAME_FUNCS) *name_funcs_stack; * 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) +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); - MemCheck_off(); - names_lh = lh_OBJ_NAME_new(); - MemCheck_on(); + 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); } @@ -67,14 +76,13 @@ 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; + int ret, i, push; NAME_FUNCS *name_funcs; if (name_funcs_stack == NULL) { - MemCheck_off(); + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE); name_funcs_stack = sk_NAME_FUNCS_new_null(); - MemCheck_on(); + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE); } if (name_funcs_stack == NULL) { /* ERROR */ @@ -83,22 +91,25 @@ int OBJ_NAME_new_index(unsigned long (*hash_func) (const char *), 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) { + 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 = 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->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) @@ -110,12 +121,9 @@ int OBJ_NAME_new_index(unsigned long (*hash_func) (const char *), 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) +static int obj_name_cmp(const OBJ_NAME *a, const OBJ_NAME *b) { 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) { @@ -129,11 +137,9 @@ static int obj_name_cmp(const void *a_void, const void *b_void) return (ret); } -/* static unsigned long obj_name_hash(OBJ_NAME *a) */ -static unsigned long obj_name_hash(const void *a_void) +static unsigned long obj_name_hash(const OBJ_NAME *a) { 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)) { @@ -141,7 +147,7 @@ static unsigned long obj_name_hash(const void *a_void) sk_NAME_FUNCS_value(name_funcs_stack, a->type)->hash_func(a->name); } else { - ret = lh_strhash(a->name); + ret = OPENSSL_LH_strhash(a->name); } ret ^= a->type; return (ret); @@ -188,10 +194,10 @@ int OBJ_NAME_add(const char *name, int type, const char *data) alias = type & OBJ_NAME_ALIAS; type &= ~OBJ_NAME_ALIAS; - onp = (OBJ_NAME *)OPENSSL_malloc(sizeof(OBJ_NAME)); + onp = OPENSSL_malloc(sizeof(*onp)); if (onp == NULL) { /* ERROR */ - return (0); + return 0; } onp->name = name; @@ -216,10 +222,11 @@ int OBJ_NAME_add(const char *name, int type, const char *data) } else { if (lh_OBJ_NAME_error(names_lh)) { /* ERROR */ - return (0); + OPENSSL_free(onp); + return 0; } } - return (1); + return 1; } int OBJ_NAME_remove(const char *name, int type) @@ -251,31 +258,30 @@ int OBJ_NAME_remove(const char *name, int type) return (0); } -struct doall { +typedef struct { int type; void (*fn) (const OBJ_NAME *, void *arg); void *arg; -}; +} OBJ_DOALL; -static void do_all_fn_doall_arg(const OBJ_NAME *name, struct doall *d) +static void do_all_fn(const OBJ_NAME *name, OBJ_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) +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) { - struct doall d; + OBJ_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); + lh_OBJ_NAME_doall_OBJ_DOALL(names_lh, do_all_fn, &d); } struct doall_sorted { @@ -311,13 +317,13 @@ void OBJ_NAME_do_all_sorted(int type, d.type = type; d.names = - OPENSSL_malloc(lh_OBJ_NAME_num_items(names_lh) * sizeof *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) { + 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); + 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); @@ -337,8 +343,6 @@ static void names_lh_free_doall(OBJ_NAME *onp) 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); @@ -352,15 +356,15 @@ void OBJ_NAME_cleanup(int type) return; free_type = type; - down_load = lh_OBJ_NAME_down_load(names_lh); - lh_OBJ_NAME_down_load(names_lh) = 0; + down_load = lh_OBJ_NAME_get_down_load(names_lh); + lh_OBJ_NAME_set_down_load(names_lh, 0); - lh_OBJ_NAME_doall(names_lh, LHASH_DOALL_FN(names_lh_free)); + lh_OBJ_NAME_doall(names_lh, names_lh_free_doall); 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; + lh_OBJ_NAME_set_down_load(names_lh, down_load); } |