mirror of
https://salsa.debian.org/freeipa-team/freeipa.git
synced 2024-12-24 16:10:02 -06:00
ad08430477
Closes: https://pagure.io/freeipa/issue/6818 Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Simo Sorce <ssorce@redhat.com>
129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/*-
|
|
* Copyright (c) 2003, 2004, 2005, 2007 Lev Walkin <vlm@lionet.info>.
|
|
* All rights reserved.
|
|
* Redistribution and modifications are permitted subject to BSD license.
|
|
*/
|
|
/*
|
|
* Declarations internally useful for the ASN.1 support code.
|
|
*/
|
|
#ifndef ASN_INTERNAL_H
|
|
#define ASN_INTERNAL_H
|
|
|
|
#include "asn_application.h" /* Application-visible API */
|
|
|
|
#ifndef __NO_ASSERT_H__ /* Include assert.h only for internal use. */
|
|
#include <assert.h> /* for assert() macro */
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Environment version might be used to avoid running with the old library */
|
|
#define ASN1C_ENVIRONMENT_VERSION 923 /* Compile-time version */
|
|
int get_asn1c_environment_version(void); /* Run-time version */
|
|
|
|
#define CALLOC(nmemb, size) calloc(nmemb, size)
|
|
#define MALLOC(size) malloc(size)
|
|
#define REALLOC(oldptr, size) realloc(oldptr, size)
|
|
#define FREEMEM(ptr) free(ptr)
|
|
|
|
#define asn_debug_indent 0
|
|
#define ASN_DEBUG_INDENT_ADD(i) do{}while(0)
|
|
|
|
/*
|
|
* A macro for debugging the ASN.1 internals.
|
|
* You may enable or override it.
|
|
*/
|
|
#ifndef ASN_DEBUG /* If debugging code is not defined elsewhere... */
|
|
#if EMIT_ASN_DEBUG == 1 /* And it was asked to emit this code... */
|
|
#ifdef __GNUC__
|
|
#ifdef ASN_THREAD_SAFE
|
|
/* Thread safety requires sacrifice in output indentation:
|
|
* Retain empty definition of ASN_DEBUG_INDENT_ADD. */
|
|
#else /* !ASN_THREAD_SAFE */
|
|
#undef ASN_DEBUG_INDENT_ADD
|
|
#undef asn_debug_indent
|
|
int asn_debug_indent;
|
|
#define ASN_DEBUG_INDENT_ADD(i) do { asn_debug_indent += i; } while(0)
|
|
#endif /* ASN_THREAD_SAFE */
|
|
#define ASN_DEBUG(fmt, args...) do { \
|
|
int adi = asn_debug_indent; \
|
|
while(adi--) fprintf(stderr, " "); \
|
|
fprintf(stderr, fmt, ##args); \
|
|
fprintf(stderr, " (%s:%d)\n", \
|
|
__FILE__, __LINE__); \
|
|
} while(0)
|
|
#else /* !__GNUC__ */
|
|
void ASN_DEBUG_f(const char *fmt, ...);
|
|
#define ASN_DEBUG ASN_DEBUG_f
|
|
#endif /* __GNUC__ */
|
|
#else /* EMIT_ASN_DEBUG != 1 */
|
|
static void ASN_DEBUG(const char *fmt, ...) { (void)fmt; }
|
|
#endif /* EMIT_ASN_DEBUG */
|
|
#endif /* ASN_DEBUG */
|
|
|
|
/*
|
|
* Invoke the application-supplied callback and fail, if something is wrong.
|
|
*/
|
|
#define ASN__E_cbc(buf, size) (cb((buf), (size), app_key) < 0)
|
|
#define ASN__E_CALLBACK(foo) do { \
|
|
if(foo) goto cb_failed; \
|
|
} while(0)
|
|
#define ASN__CALLBACK(buf, size) \
|
|
ASN__E_CALLBACK(ASN__E_cbc(buf, size))
|
|
#define ASN__CALLBACK2(buf1, size1, buf2, size2) \
|
|
ASN__E_CALLBACK(ASN__E_cbc(buf1, size1) || ASN__E_cbc(buf2, size2))
|
|
#define ASN__CALLBACK3(buf1, size1, buf2, size2, buf3, size3) \
|
|
ASN__E_CALLBACK(ASN__E_cbc(buf1, size1) \
|
|
|| ASN__E_cbc(buf2, size2) \
|
|
|| ASN__E_cbc(buf3, size3))
|
|
|
|
#define ASN__TEXT_INDENT(nl, level) do { \
|
|
int tmp_level = (level); \
|
|
int tmp_nl = ((nl) != 0); \
|
|
int tmp_i; \
|
|
if(tmp_nl) ASN__CALLBACK("\n", 1); \
|
|
if(tmp_level < 0) tmp_level = 0; \
|
|
for(tmp_i = 0; tmp_i < tmp_level; tmp_i++) \
|
|
ASN__CALLBACK(" ", 4); \
|
|
er.encoded += tmp_nl + 4 * tmp_level; \
|
|
} while(0)
|
|
|
|
#define _i_INDENT(nl) do { \
|
|
int tmp_i; \
|
|
if((nl) && cb("\n", 1, app_key) < 0) \
|
|
return -1; \
|
|
for(tmp_i = 0; tmp_i < ilevel; tmp_i++) \
|
|
if(cb(" ", 4, app_key) < 0) \
|
|
return -1; \
|
|
} while(0)
|
|
|
|
/*
|
|
* Check stack against overflow, if limit is set.
|
|
*/
|
|
#define ASN__DEFAULT_STACK_MAX (30000)
|
|
static int __attribute__((unused))
|
|
ASN__STACK_OVERFLOW_CHECK(asn_codec_ctx_t *ctx) {
|
|
if(ctx && ctx->max_stack_size) {
|
|
|
|
/* ctx MUST be allocated on the stack */
|
|
ptrdiff_t usedstack = ((char *)ctx - (char *)&ctx);
|
|
if(usedstack > 0) usedstack = -usedstack; /* grows up! */
|
|
|
|
/* double negative required to avoid int wrap-around */
|
|
if(usedstack < -(ptrdiff_t)ctx->max_stack_size) {
|
|
ASN_DEBUG("Stack limit %ld reached",
|
|
(long)ctx->max_stack_size);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ASN_INTERNAL_H */
|