err.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "cryptlib.h"
static void ERR_STATE_free(ERR_STATE *s);
#ifndef OPENSSL_NO_ERR
static ERR_STRING_DATA ERR_str_libraries[]=
{
{0,NULL},
};
static ERR_STRING_DATA ERR_str_functs[]=
{
#ifdef OPENSSL_SYS_WINDOWS
#endif
{0,NULL},
};
static ERR_STRING_DATA ERR_str_reasons[]=
{
{ERR_R_SYS_LIB ,"system lib"},
{ERR_R_BN_LIB ,"BN lib"},
{ERR_R_RSA_LIB ,"RSA lib"},
{ERR_R_DH_LIB ,"DH lib"},
{ERR_R_EVP_LIB ,"EVP lib"},
{ERR_R_BUF_LIB ,"BUF lib"},
{ERR_R_OBJ_LIB ,"OBJ lib"},
{ERR_R_PEM_LIB ,"PEM lib"},
{ERR_R_DSA_LIB ,"DSA lib"},
{ERR_R_X509_LIB ,"X509 lib"},
{ERR_R_ASN1_LIB ,"ASN1 lib"},
{ERR_R_CONF_LIB ,"CONF lib"},
{ERR_R_CRYPTO_LIB ,"CRYPTO lib"},
{ERR_R_EC_LIB ,"EC lib"},
{ERR_R_SSL_LIB ,"SSL lib"},
{ERR_R_BIO_LIB ,"BIO lib"},
{ERR_R_PKCS7_LIB ,"PKCS7 lib"},
{ERR_R_X509V3_LIB ,"X509V3 lib"},
{ERR_R_PKCS12_LIB ,"PKCS12 lib"},
{ERR_R_RAND_LIB ,"RAND lib"},
{ERR_R_DSO_LIB ,"DSO lib"},
{ERR_R_ENGINE_LIB ,"ENGINE lib"},
{ERR_R_OCSP_LIB ,"OCSP lib"},
{ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"},
{ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"},
{ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"},
{ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"},
{ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"},
{ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"},
{ERR_R_FATAL ,"fatal"},
{ERR_R_MALLOC_FAILURE ,"malloc failure"},
{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"},
{ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"},
{ERR_R_INTERNAL_ERROR ,"internal error"},
{0,NULL},
};
#endif
/* Define the predeclared (but externally opaque) "ERR_FNS" type */
struct st_ERR_FNS
{
/* Works on the "error_hash" string table */
void (*cb_err_del)(void);
/* Works on the "thread_hash" error-state table */
void (*cb_thread_del_item)(const ERR_STATE *);
/* Returns the next available error "library" numbers */
int (*cb_get_next_lib)(void);
};
/* Predeclarations of the "err_defaults" functions */
static void int_err_del(void);
static void int_thread_del_item(const ERR_STATE *);
static int int_err_get_next_lib(void);
/* The static ERR_FNS table using these defaults functions */
static const ERR_FNS err_defaults =
{
};
/* The replacable table of ERR_FNS functions we use at run-time */
/* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */
/* The internal state used by "err_defaults" - as such, the setting, reading,
* creating, and deleting of this data should only be permitted via the
* "err_defaults" functions. This way, a linked module can completely defer all
* ERR state operation (together with requisite locking) to the implementations
* and state in the loading application. */
static int int_thread_hash_references = 0;
static int int_err_library_number= ERR_LIB_USER;
/* Internal function that checks whether "err_fns" is set and if not, sets it to
* the defaults. */
static void err_fns_check(void)
{
if (err_fns) return;
if (!err_fns)
err_fns = &err_defaults;
}
/* API functions to get or set the underlying ERR functions. */
const ERR_FNS *ERR_get_implementation(void)
{
return err_fns;
}
{
int ret = 0;
/* It's too late if 'err_fns' is non-NULL. BTW: not much point setting
* an error is there?! */
if (!err_fns)
{
ret = 1;
}
return ret;
}
/* These are the callbacks provided to "lh_new()" when creating the LHASH tables
* internal to the "err_defaults" implementation. */
/* static unsigned long err_hash(ERR_STRING_DATA *a); */
/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */
/* static unsigned long pid_hash(ERR_STATE *pid); */
/* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */
/* The internal functions used in the "err_defaults" implementation */
{
if (!int_error_hash && create)
{
CRYPTO_push_info("int_err_get (err.c)");
}
if (int_error_hash)
return ret;
}
static void int_err_del(void)
{
if (int_error_hash)
{
}
}
{
ERR_STRING_DATA *p;
if (!hash)
return NULL;
return p;
}
{
ERR_STRING_DATA *p;
if (!hash)
return NULL;
return p;
}
{
ERR_STRING_DATA *p;
if (!hash)
return NULL;
return p;
}
{
if (!int_thread_hash && create)
{
CRYPTO_push_info("int_thread_get (err.c)");
}
if (int_thread_hash)
{
}
return ret;
}
{
int i;
return;
#ifdef REF_PRINT
#endif
if (i > 0) return;
#ifdef REF_CHECK
if (i < 0)
{
abort(); /* ok */
}
#endif
}
{
ERR_STATE *p;
if (!hash)
return NULL;
return p;
}
{
ERR_STATE *p;
if (!hash)
return NULL;
return p;
}
static void int_thread_del_item(const ERR_STATE *d)
{
ERR_STATE *p;
if (!hash)
return;
/* make sure we don't leak memory */
if (int_thread_hash_references == 1
{
}
if (p)
ERR_STATE_free(p);
}
static int int_err_get_next_lib(void)
{
int ret;
return ret;
}
#ifndef OPENSSL_NO_ERR
#define NUM_SYS_STR_REASONS 127
#define LEN_SYS_STR_REASON 32
/* SYS_str_reasons is filled with copies of strerror() results at
* initialization.
* 'errno' values up to 127 should cover all usual errors,
* others will be displayed numerically by ERR_error_string.
* It is crucial that we have something for each reason code
* that occurs in ERR_str_reasons, or bogus reason strings
* will be returned for SYSerr(), which always gets an errno
* value and never one of those 'standard' reason codes. */
static void build_SYS_str_reasons()
{
/* OPENSSL_malloc cannot be used here, use static storage instead */
int i;
static int init = 1;
if (!init) return;
for (i = 1; i <= NUM_SYS_STR_REASONS; i++)
{
{
{
}
}
}
/* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL},
* as required by ERR_load_strings. */
init = 0;
}
#endif
#define err_clear_data(p,i) \
(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
{ \
OPENSSL_free((p)->err_data[i]); \
} \
(p)->err_data_flags[i]=0;
static void ERR_STATE_free(ERR_STATE *s)
{
int i;
if (s == NULL)
return;
for (i=0; i<ERR_NUM_ERRORS; i++)
{
err_clear_data(s,i);
}
OPENSSL_free(s);
}
void ERR_load_ERR_strings(void)
{
#ifndef OPENSSL_NO_ERR
#endif
}
{
{
str++;
}
}
{
}
{
{
str++;
}
}
void ERR_free_strings(void)
{
}
/********************************************************/
int line)
{
#ifdef _OSD_POSIX
/* In the BS2000-OSD POSIX subsystem, the compiler generates
* This dirty hack strips them to something sensible.
* @@@ We shouldn't modify a const string, though.
*/
char *end;
/* Skip the "*POSIX(" prefix */
if (*end == ')')
*end = '\0';
/* Optional: use the basename of the path only. */
}
#endif
es=ERR_get_state();
}
void ERR_clear_error(void)
{
int i;
es=ERR_get_state();
for (i=0; i<ERR_NUM_ERRORS; i++)
{
es->err_buffer[i]=0;
err_clear_data(es,i);
}
}
unsigned long ERR_get_error(void)
unsigned long ERR_get_error_line(const char **file,
int *line)
unsigned long ERR_peek_error(void)
unsigned long ERR_peek_last_error(void)
{
int i=0;
unsigned long ret;
es=ERR_get_state();
{
return ERR_R_INTERNAL_ERROR;
}
if (top)
else
if (inc)
{
es->err_buffer[i]=0;
}
{
{
*file="NA";
}
else
{
}
}
{
if (inc)
{
err_clear_data(es, i);
}
}
else
{
{
*data="";
}
else
{
}
}
return ret;
}
{
unsigned long l,f,r;
l=ERR_GET_LIB(e);
f=ERR_GET_FUNC(e);
r=ERR_GET_REASON(e);
{
/* output may be truncated; make sure we always have 5
* colon-separated fields, i.e. 4 colons ... */
#define NUM_COLONS 4
{
int i;
char *s = buf;
for (i = 0; i < NUM_COLONS; i++)
{
{
/* set colon no. i at last possible position
* (buf[len-1] is the terminating 0)*/
*colon = ':';
}
s = colon + 1;
}
}
}
}
/* BAD for multi-threading: uses a local buffer if ret == NULL */
/* ERR_error_string_n should be used instead for ret != NULL
* as ERR_error_string cannot know how large the buffer is */
char *ERR_error_string(unsigned long e, char *ret)
{
static char buf[256];
return ret;
}
LHASH *ERR_get_string_table(void)
{
}
LHASH *ERR_get_err_state_table(void)
{
return ERRFN(thread_get)(0);
}
{
}
const char *ERR_lib_error_string(unsigned long e)
{
ERR_STRING_DATA d,*p;
unsigned long l;
l=ERR_GET_LIB(e);
p=ERRFN(err_get_item)(&d);
}
const char *ERR_func_error_string(unsigned long e)
{
ERR_STRING_DATA d,*p;
unsigned long l,f;
l=ERR_GET_LIB(e);
f=ERR_GET_FUNC(e);
p=ERRFN(err_get_item)(&d);
}
const char *ERR_reason_error_string(unsigned long e)
{
ERR_STRING_DATA d,*p=NULL;
unsigned long l,r;
l=ERR_GET_LIB(e);
r=ERR_GET_REASON(e);
p=ERRFN(err_get_item)(&d);
if (!p)
{
p=ERRFN(err_get_item)(&d);
}
}
/* static unsigned long err_hash(ERR_STRING_DATA *a) */
{
unsigned long ret,l;
}
/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */
{
}
/* static unsigned long pid_hash(ERR_STATE *a) */
{
}
/* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */
{
}
void ERR_remove_state(unsigned long pid)
{
if (pid == 0)
pid=(unsigned long)CRYPTO_thread_id();
/* thread_del_item automatically destroys the LHASH if the number of
* items reaches zero. */
}
ERR_STATE *ERR_get_state(void)
{
int i;
unsigned long pid;
pid=(unsigned long)CRYPTO_thread_id();
/* ret == the error state, if NULL, make a new one */
{
for (i=0; i<ERR_NUM_ERRORS; i++)
{
ret->err_data_flags[i]=0;
}
/* To check if insertion failed, do a get. */
{
return(&fallback);
}
/* If a race occured in this function and we came second, tmpp
* is the first one that we just replaced. */
if (tmpp)
}
return ret;
}
int ERR_get_next_error_library(void)
{
return ERRFN(get_next_lib)();
}
{
int i;
es=ERR_get_state();
if (i == 0)
i=ERR_NUM_ERRORS-1;
err_clear_data(es,i);
}
void ERR_add_error_data(int num, ...)
{
int i,n,s;
char *str,*p,*a;
s=80;
str[0]='\0';
n=0;
for (i=0; i<num; i++)
{
/* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
if (a != NULL)
{
n+=strlen(a);
if (n > s)
{
s=n+20;
if (p == NULL)
{
goto err;
}
else
str=p;
}
}
}
err:
}