/usr/include/openssl/safestack.h is in libssl-dev 1.1.0g-2ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 1999-2016 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
*/
#ifndef HEADER_SAFESTACK_H
# define HEADER_SAFESTACK_H
# include <openssl/stack.h>
# include <openssl/e_os2.h>
#ifdef __cplusplus
extern "C" {
#endif
# define STACK_OF(type) struct stack_st_##type
# define SKM_DEFINE_STACK_OF(t1, t2, t3) \
STACK_OF(t1); \
typedef int (*sk_##t1##_compfunc)(const t3 * const *a, const t3 *const *b); \
typedef void (*sk_##t1##_freefunc)(t3 *a); \
typedef t3 * (*sk_##t1##_copyfunc)(const t3 *a); \
static ossl_inline int sk_##t1##_num(const STACK_OF(t1) *sk) \
{ \
return OPENSSL_sk_num((const OPENSSL_STACK *)sk); \
} \
static ossl_inline t2 *sk_##t1##_value(const STACK_OF(t1) *sk, int idx) \
{ \
return (t2 *)OPENSSL_sk_value((const OPENSSL_STACK *)sk, idx); \
} \
static ossl_inline STACK_OF(t1) *sk_##t1##_new(sk_##t1##_compfunc compare) \
{ \
return (STACK_OF(t1) *)OPENSSL_sk_new((OPENSSL_sk_compfunc)compare); \
} \
static ossl_inline STACK_OF(t1) *sk_##t1##_new_null(void) \
{ \
return (STACK_OF(t1) *)OPENSSL_sk_new_null(); \
} \
static ossl_inline void sk_##t1##_free(STACK_OF(t1) *sk) \
{ \
OPENSSL_sk_free((OPENSSL_STACK *)sk); \
} \
static ossl_inline void sk_##t1##_zero(STACK_OF(t1) *sk) \
{ \
OPENSSL_sk_zero((OPENSSL_STACK *)sk); \
} \
static ossl_inline t2 *sk_##t1##_delete(STACK_OF(t1) *sk, int i) \
{ \
return (t2 *)OPENSSL_sk_delete((OPENSSL_STACK *)sk, i); \
} \
static ossl_inline t2 *sk_##t1##_delete_ptr(STACK_OF(t1) *sk, t2 *ptr) \
{ \
return (t2 *)OPENSSL_sk_delete_ptr((OPENSSL_STACK *)sk, \
(const void *)ptr); \
} \
static ossl_inline int sk_##t1##_push(STACK_OF(t1) *sk, t2 *ptr) \
{ \
return OPENSSL_sk_push((OPENSSL_STACK *)sk, (const void *)ptr); \
} \
static ossl_inline int sk_##t1##_unshift(STACK_OF(t1) *sk, t2 *ptr) \
{ \
return OPENSSL_sk_unshift((OPENSSL_STACK *)sk, (const void *)ptr); \
} \
static ossl_inline t2 *sk_##t1##_pop(STACK_OF(t1) *sk) \
{ \
return (t2 *)OPENSSL_sk_pop((OPENSSL_STACK *)sk); \
} \
static ossl_inline t2 *sk_##t1##_shift(STACK_OF(t1) *sk) \
{ \
return (t2 *)OPENSSL_sk_shift((OPENSSL_STACK *)sk); \
} \
static ossl_inline void sk_##t1##_pop_free(STACK_OF(t1) *sk, sk_##t1##_freefunc freefunc) \
{ \
OPENSSL_sk_pop_free((OPENSSL_STACK *)sk, (OPENSSL_sk_freefunc)freefunc); \
} \
static ossl_inline int sk_##t1##_insert(STACK_OF(t1) *sk, t2 *ptr, int idx) \
{ \
return OPENSSL_sk_insert((OPENSSL_STACK *)sk, (const void *)ptr, idx); \
} \
static ossl_inline t2 *sk_##t1##_set(STACK_OF(t1) *sk, int idx, t2 *ptr) \
{ \
return (t2 *)OPENSSL_sk_set((OPENSSL_STACK *)sk, idx, (const void *)ptr); \
} \
static ossl_inline int sk_##t1##_find(STACK_OF(t1) *sk, t2 *ptr) \
{ \
return OPENSSL_sk_find((OPENSSL_STACK *)sk, (const void *)ptr); \
} \
static ossl_inline int sk_##t1##_find_ex(STACK_OF(t1) *sk, t2 *ptr) \
{ \
return OPENSSL_sk_find_ex((OPENSSL_STACK *)sk, (const void *)ptr); \
} \
static ossl_inline void sk_##t1##_sort(STACK_OF(t1) *sk) \
{ \
OPENSSL_sk_sort((OPENSSL_STACK *)sk); \
} \
static ossl_inline int sk_##t1##_is_sorted(const STACK_OF(t1) *sk) \
{ \
return OPENSSL_sk_is_sorted((const OPENSSL_STACK *)sk); \
} \
static ossl_inline STACK_OF(t1) * sk_##t1##_dup(const STACK_OF(t1) *sk) \
{ \
return (STACK_OF(t1) *)OPENSSL_sk_dup((const OPENSSL_STACK *)sk); \
} \
static ossl_inline STACK_OF(t1) *sk_##t1##_deep_copy(const STACK_OF(t1) *sk, \
sk_##t1##_copyfunc copyfunc, \
sk_##t1##_freefunc freefunc) \
{ \
return (STACK_OF(t1) *)OPENSSL_sk_deep_copy((const OPENSSL_STACK *)sk, \
(OPENSSL_sk_copyfunc)copyfunc, \
(OPENSSL_sk_freefunc)freefunc); \
} \
static ossl_inline sk_##t1##_compfunc sk_##t1##_set_cmp_func(STACK_OF(t1) *sk, sk_##t1##_compfunc compare) \
{ \
return (sk_##t1##_compfunc)OPENSSL_sk_set_cmp_func((OPENSSL_STACK *)sk, (OPENSSL_sk_compfunc)compare); \
}
# define DEFINE_SPECIAL_STACK_OF(t1, t2) SKM_DEFINE_STACK_OF(t1, t2, t2)
# define DEFINE_STACK_OF(t) SKM_DEFINE_STACK_OF(t, t, t)
# define DEFINE_SPECIAL_STACK_OF_CONST(t1, t2) \
SKM_DEFINE_STACK_OF(t1, const t2, t2)
# define DEFINE_STACK_OF_CONST(t) SKM_DEFINE_STACK_OF(t, const t, t)
/*-
* Strings are special: normally an lhash entry will point to a single
* (somewhat) mutable object. In the case of strings:
*
* a) Instead of a single char, there is an array of chars, NUL-terminated.
* b) The string may have be immutable.
*
* So, they need their own declarations. Especially important for
* type-checking tools, such as Deputy.
*
* In practice, however, it appears to be hard to have a const
* string. For now, I'm settling for dealing with the fact it is a
* string at all.
*/
typedef char *OPENSSL_STRING;
typedef const char *OPENSSL_CSTRING;
/*-
* Confusingly, LHASH_OF(STRING) deals with char ** throughout, but
* STACK_OF(STRING) is really more like STACK_OF(char), only, as mentioned
* above, instead of a single char each entry is a NUL-terminated array of
* chars. So, we have to implement STRING specially for STACK_OF. This is
* dealt with in the autogenerated macros below.
*/
DEFINE_SPECIAL_STACK_OF(OPENSSL_STRING, char)
DEFINE_SPECIAL_STACK_OF_CONST(OPENSSL_CSTRING, char)
/*
* Similarly, we sometimes use a block of characters, NOT nul-terminated.
* These should also be distinguished from "normal" stacks.
*/
typedef void *OPENSSL_BLOCK;
DEFINE_SPECIAL_STACK_OF(OPENSSL_BLOCK, void)
# ifdef __cplusplus
}
# endif
#endif
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