* [including the GNU Public Licence.]
*/
/* ====================================================================
- * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1998-2006 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
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
+#include "cryptlib.h"
#include <openssl/lhash.h>
#include <openssl/crypto.h>
-#include "cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/bio.h>
#include <openssl/err.h>
+DECLARE_LHASH_OF(ERR_STRING_DATA);
+DECLARE_LHASH_OF(ERR_STATE);
-static LHASH *error_hash=NULL;
-static LHASH *thread_hash=NULL;
+static void err_load_strings(int lib, ERR_STRING_DATA *str);
-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);
-static unsigned long get_error_values(int inc,const char **file,int *line,
- const char **data,int *flags);
static void ERR_STATE_free(ERR_STATE *s);
-#ifndef NO_ERR
+#ifndef OPENSSL_NO_ERR
static ERR_STRING_DATA ERR_str_libraries[]=
{
{ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"},
{ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"},
{ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"},
{ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"},
-{ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"},
{ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"},
{ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"},
{ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"},
-{ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"},
{ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"},
{ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"},
-{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"},
+{ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"},
{ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"},
+{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"},
{ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"},
-{ERR_PACK(ERR_LIB_METH,0,0) ,"X509 lookup 'method' routines"},
+{ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"},
+{ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"},
{ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"},
-{ERR_PACK(ERR_LIB_RSAREF,0,0) ,"RSAref routines"},
-{ERR_PACK(ERR_LIB_PROXY,0,0) ,"Proxy routines"},
{ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"},
{ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"},
{ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"},
{ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"},
{ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"},
{ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"},
+{ERR_PACK(ERR_LIB_TS,0,0) ,"time stamp routines"},
+{ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"},
+{ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"},
+{ERR_PACK(ERR_LIB_FIPS,0,0) ,"FIPS routines"},
+{ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"},
+{ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"},
{0,NULL},
};
{ERR_PACK(0,SYS_F_BIND,0), "bind"},
{ERR_PACK(0,SYS_F_LISTEN,0), "listen"},
{ERR_PACK(0,SYS_F_ACCEPT,0), "accept"},
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
{ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"},
#endif
{ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"},
+ {ERR_PACK(0,SYS_F_FREAD,0), "fread"},
{0,NULL},
};
static ERR_STRING_DATA ERR_str_reasons[]=
{
-{ERR_R_FATAL ,"fatal"},
{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_BIO_LIB ,"BIO 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_METH_LIB ,"METH 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_PROXY_LIB ,"PROXY 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_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_RAND_LIB ,"RAND lib"},
+{ERR_R_DSO_LIB ,"DSO lib"},
+{ERR_R_ENGINE_LIB ,"ENGINE lib"},
+{ERR_R_OCSP_LIB ,"OCSP lib"},
+{ERR_R_TS_LIB ,"TS 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_DSO_LIB ,"DSO lib"},
+
+{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"},
+{ERR_R_DISABLED ,"called a function that was disabled at compile-time"},
{0,NULL},
};
+#endif
+
+
+/* Define the predeclared (but externally opaque) "ERR_FNS" type */
+struct st_ERR_FNS
+ {
+ /* Works on the "error_hash" string table */
+ LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create);
+ void (*cb_err_del)(void);
+ ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *);
+ ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *);
+ ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *);
+ /* Works on the "thread_hash" error-state table */
+ LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create);
+ void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash);
+ ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *);
+ ERR_STATE *(*cb_thread_set_item)(ERR_STATE *);
+ 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 LHASH_OF(ERR_STRING_DATA) *int_err_get(int create);
+static void int_err_del(void);
+static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
+static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *);
+static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *);
+static LHASH_OF(ERR_STATE) *int_thread_get(int create);
+static void int_thread_release(LHASH_OF(ERR_STATE) **hash);
+static ERR_STATE *int_thread_get_item(const ERR_STATE *);
+static ERR_STATE *int_thread_set_item(ERR_STATE *);
+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 =
+ {
+ int_err_get,
+ int_err_del,
+ int_err_get_item,
+ int_err_set_item,
+ int_err_del_item,
+ int_thread_get,
+ int_thread_release,
+ int_thread_get_item,
+ int_thread_set_item,
+ int_thread_del_item,
+ int_err_get_next_lib
+ };
+
+/* The replacable table of ERR_FNS functions we use at run-time */
+static const ERR_FNS *err_fns = NULL;
+
+/* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */
+#define ERRFN(a) err_fns->cb_##a
+
+/* 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 LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL;
+static LHASH_OF(ERR_STATE) *int_thread_hash = NULL;
+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;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ if (!err_fns)
+ err_fns = &err_defaults;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ }
+
+/* API functions to get or set the underlying ERR functions. */
+
+const ERR_FNS *ERR_get_implementation(void)
+ {
+ err_fns_check();
+ return err_fns;
+ }
+
+int ERR_set_implementation(const ERR_FNS *fns)
+ {
+ int ret = 0;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting
+ * an error is there?! */
+ if (!err_fns)
+ {
+ err_fns = fns;
+ ret = 1;
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ return ret;
+ }
+
+/* These are the callbacks provided to "lh_new()" when creating the LHASH tables
+ * internal to the "err_defaults" implementation. */
+
+static unsigned long get_error_values(int inc,int top,const char **file,int *line,
+ const char **data,int *flags);
+
+/* The internal functions used in the "err_defaults" implementation */
+
+static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
+ {
+ unsigned long ret,l;
+
+ l=a->error;
+ ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l);
+ return(ret^ret%19*13);
+ }
+static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA)
+
+static int err_string_data_cmp(const ERR_STRING_DATA *a,
+ const ERR_STRING_DATA *b)
+ {
+ return (int)(a->error - b->error);
+ }
+static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA)
+
+static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create)
+ {
+ LHASH_OF(ERR_STRING_DATA) *ret = NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ if (!int_error_hash && create)
+ {
+ CRYPTO_push_info("int_err_get (err.c)");
+ int_error_hash = lh_ERR_STRING_DATA_new();
+ CRYPTO_pop_info();
+ }
+ if (int_error_hash)
+ ret = int_error_hash;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+ return ret;
+ }
+
+static void int_err_del(void)
+ {
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ if (int_error_hash)
+ {
+ lh_ERR_STRING_DATA_free(int_error_hash);
+ int_error_hash = NULL;
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ }
+
+static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
+ {
+ ERR_STRING_DATA *p;
+ LHASH_OF(ERR_STRING_DATA) *hash;
+
+ err_fns_check();
+ hash = ERRFN(err_get)(0);
+ if (!hash)
+ return NULL;
+
+ CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+ p = lh_ERR_STRING_DATA_retrieve(hash, d);
+ CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+
+ return p;
+ }
+
+static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)
+ {
+ ERR_STRING_DATA *p;
+ LHASH_OF(ERR_STRING_DATA) *hash;
+
+ err_fns_check();
+ hash = ERRFN(err_get)(1);
+ if (!hash)
+ return NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ p = lh_ERR_STRING_DATA_insert(hash, d);
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+ return p;
+ }
+
+static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)
+ {
+ ERR_STRING_DATA *p;
+ LHASH_OF(ERR_STRING_DATA) *hash;
+
+ err_fns_check();
+ hash = ERRFN(err_get)(0);
+ if (!hash)
+ return NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ p = lh_ERR_STRING_DATA_delete(hash, d);
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+ return p;
+ }
+
+static unsigned long err_state_hash(const ERR_STATE *a)
+ {
+ return CRYPTO_THREADID_hash(&a->tid) * 13;
+ }
+static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE)
+
+static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b)
+ {
+ return CRYPTO_THREADID_cmp(&a->tid, &b->tid);
+ }
+static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE)
+
+static LHASH_OF(ERR_STATE) *int_thread_get(int create)
+ {
+ LHASH_OF(ERR_STATE) *ret = NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ if (!int_thread_hash && create)
+ {
+ CRYPTO_push_info("int_thread_get (err.c)");
+ int_thread_hash = lh_ERR_STATE_new();
+ CRYPTO_pop_info();
+ }
+ if (int_thread_hash)
+ {
+ int_thread_hash_references++;
+ ret = int_thread_hash;
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ return ret;
+ }
+
+static void int_thread_release(LHASH_OF(ERR_STATE) **hash)
+ {
+ int i;
+
+ if (hash == NULL || *hash == NULL)
+ return;
+
+ i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR);
+
+#ifdef REF_PRINT
+ fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR");
+#endif
+ if (i > 0) return;
+#ifdef REF_CHECK
+ if (i < 0)
+ {
+ fprintf(stderr,"int_thread_release, bad reference count\n");
+ abort(); /* ok */
+ }
+#endif
+ *hash = NULL;
+ }
+
+static ERR_STATE *int_thread_get_item(const ERR_STATE *d)
+ {
+ ERR_STATE *p;
+ LHASH_OF(ERR_STATE) *hash;
+
+ err_fns_check();
+ hash = ERRFN(thread_get)(0);
+ if (!hash)
+ return NULL;
+
+ CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+ p = lh_ERR_STATE_retrieve(hash, d);
+ CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+
+ ERRFN(thread_release)(&hash);
+ return p;
+ }
+
+static ERR_STATE *int_thread_set_item(ERR_STATE *d)
+ {
+ ERR_STATE *p;
+ LHASH_OF(ERR_STATE) *hash;
+
+ err_fns_check();
+ hash = ERRFN(thread_get)(1);
+ if (!hash)
+ return NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ p = lh_ERR_STATE_insert(hash, d);
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+ ERRFN(thread_release)(&hash);
+ return p;
+ }
+
+static void int_thread_del_item(const ERR_STATE *d)
+ {
+ ERR_STATE *p;
+ LHASH_OF(ERR_STATE) *hash;
+
+ err_fns_check();
+ hash = ERRFN(thread_get)(0);
+ if (!hash)
+ return;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ p = lh_ERR_STATE_delete(hash, d);
+ /* make sure we don't leak memory */
+ if (int_thread_hash_references == 1
+ && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0)
+ {
+ lh_ERR_STATE_free(int_thread_hash);
+ int_thread_hash = NULL;
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ ERRFN(thread_release)(&hash);
+ if (p)
+ ERR_STATE_free(p);
+ }
+
+static int int_err_get_next_lib(void)
+ {
+ int ret;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ ret = int_err_library_number++;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+ return ret;
+ }
+
+#ifndef OPENSSL_NO_ERR
#define NUM_SYS_STR_REASONS 127
#define LEN_SYS_STR_REASON 32
* 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()
+static void build_SYS_str_reasons(void)
{
/* OPENSSL_malloc cannot be used here, use static storage instead */
static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];
int i;
+ static int init = 1;
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
+ CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+ if (!init)
+ {
+ CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+ return;
+ }
+
+ CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ if (!init)
+ {
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ 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. */
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
+ init = 0;
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
}
#endif
#define err_clear_data(p,i) \
+ do { \
if (((p)->err_data[i] != NULL) && \
(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
{ \
OPENSSL_free((p)->err_data[i]); \
(p)->err_data[i]=NULL; \
} \
- (p)->err_data_flags[i]=0;
+ (p)->err_data_flags[i]=0; \
+ } while(0)
+
+#define err_clear(p,i) \
+ do { \
+ (p)->err_flags[i]=0; \
+ (p)->err_buffer[i]=0; \
+ err_clear_data(p,i); \
+ (p)->err_file[i]=NULL; \
+ (p)->err_line[i]= -1; \
+ } while(0)
static void ERR_STATE_free(ERR_STATE *s)
{
int i;
- if(s == NULL)
+ if (s == NULL)
return;
for (i=0; i<ERR_NUM_ERRORS; i++)
void ERR_load_ERR_strings(void)
{
- static int init=1;
+ err_fns_check();
+#ifndef OPENSSL_NO_ERR
+ err_load_strings(0,ERR_str_libraries);
+ err_load_strings(0,ERR_str_reasons);
+ err_load_strings(ERR_LIB_SYS,ERR_str_functs);
+ build_SYS_str_reasons();
+ err_load_strings(ERR_LIB_SYS,SYS_str_reasons);
+#endif
+ }
- if (init)
+static void err_load_strings(int lib, ERR_STRING_DATA *str)
+ {
+ while (str->error)
{
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (init == 0)
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- return;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
-#ifndef NO_ERR
- ERR_load_strings(0,ERR_str_libraries);
- ERR_load_strings(0,ERR_str_reasons);
- ERR_load_strings(ERR_LIB_SYS,ERR_str_functs);
- build_SYS_str_reasons();
- ERR_load_strings(ERR_LIB_SYS,SYS_str_reasons);
-#endif
- init=0;
+ if (lib)
+ str->error|=ERR_PACK(lib,0,0);
+ ERRFN(err_set_item)(str);
+ str++;
}
}
void ERR_load_strings(int lib, ERR_STRING_DATA *str)
{
- if (error_hash == NULL)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
- error_hash=lh_new(err_hash,err_cmp);
- if (error_hash == NULL)
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
- return;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
-
- ERR_load_ERR_strings();
- }
+ ERR_load_ERR_strings();
+ err_load_strings(lib, str);
+ }
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
+void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
+ {
while (str->error)
{
- str->error|=ERR_PACK(lib,0,0);
- lh_insert(error_hash,str);
+ if (lib)
+ str->error|=ERR_PACK(lib,0,0);
+ ERRFN(err_del_item)(str);
str++;
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
}
void ERR_free_strings(void)
{
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
-
- if (error_hash != NULL)
- {
- lh_free(error_hash);
- error_hash=NULL;
- }
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ err_fns_check();
+ ERRFN(err_del)();
}
/********************************************************/
es->top=(es->top+1)%ERR_NUM_ERRORS;
if (es->top == es->bottom)
es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
+ es->err_flags[es->top]=0;
es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
es->err_file[es->top]=file;
es->err_line[es->top]=line;
void ERR_clear_error(void)
{
+ int i;
ERR_STATE *es;
es=ERR_get_state();
-#if 0
- /* hmm... is this needed */
for (i=0; i<ERR_NUM_ERRORS; i++)
{
- es->err_buffer[i]=0;
- es->err_file[i]=NULL;
- es->err_line[i]= -1;
- err_clear_data(es,i);
+ err_clear(es,i);
}
-#endif
es->top=es->bottom=0;
}
unsigned long ERR_get_error(void)
- { return(get_error_values(1,NULL,NULL,NULL,NULL)); }
+ { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); }
unsigned long ERR_get_error_line(const char **file,
int *line)
- { return(get_error_values(1,file,line,NULL,NULL)); }
+ { return(get_error_values(1,0,file,line,NULL,NULL)); }
unsigned long ERR_get_error_line_data(const char **file, int *line,
const char **data, int *flags)
- { return(get_error_values(1,file,line,
- data,flags)); }
+ { return(get_error_values(1,0,file,line,data,flags)); }
+
unsigned long ERR_peek_error(void)
- { return(get_error_values(0,NULL,NULL,NULL,NULL)); }
+ { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); }
-unsigned long ERR_peek_error_line(const char **file,
- int *line)
- { return(get_error_values(0,file,line,NULL,NULL)); }
+unsigned long ERR_peek_error_line(const char **file, int *line)
+ { return(get_error_values(0,0,file,line,NULL,NULL)); }
unsigned long ERR_peek_error_line_data(const char **file, int *line,
const char **data, int *flags)
- { return(get_error_values(0,file,line,
- data,flags)); }
+ { return(get_error_values(0,0,file,line,data,flags)); }
-static unsigned long get_error_values(int inc, const char **file, int *line,
+
+unsigned long ERR_peek_last_error(void)
+ { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_peek_last_error_line(const char **file, int *line)
+ { return(get_error_values(0,1,file,line,NULL,NULL)); }
+
+unsigned long ERR_peek_last_error_line_data(const char **file, int *line,
+ const char **data, int *flags)
+ { return(get_error_values(0,1,file,line,data,flags)); }
+
+
+static unsigned long get_error_values(int inc, int top, const char **file, int *line,
const char **data, int *flags)
{
int i=0;
es=ERR_get_state();
- if (es->bottom == es->top) return(0);
- i=(es->bottom+1)%ERR_NUM_ERRORS;
+ if (inc && top)
+ {
+ if (file) *file = "";
+ if (line) *line = 0;
+ if (data) *data = "";
+ if (flags) *flags = 0;
+
+ return ERR_R_INTERNAL_ERROR;
+ }
+
+ if (es->bottom == es->top) return 0;
+ if (top)
+ i=es->top; /* last error */
+ else
+ i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */
ret=es->err_buffer[i];
if (inc)
}
}
- if (data != NULL)
+ if (data == NULL)
+ {
+ if (inc)
+ {
+ err_clear_data(es, i);
+ }
+ }
+ else
{
if (es->err_data[i] == NULL)
{
if (flags != NULL) *flags=es->err_data_flags[i];
}
}
- return(ret);
+ return ret;
}
void ERR_error_string_n(unsigned long e, char *buf, size_t len)
static char buf[256];
if (ret == NULL) ret=buf;
- ERR_error_string_n(e, buf, 256);
+ ERR_error_string_n(e, ret, 256);
- return(ret);
+ return ret;
}
-LHASH *ERR_get_string_table(void)
+LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void)
{
- return(error_hash);
+ err_fns_check();
+ return ERRFN(err_get)(0);
}
-/* not thread-safe */
-LHASH *ERR_get_err_state_table(void)
+LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void)
{
- return(thread_hash);
+ err_fns_check();
+ return ERRFN(thread_get)(0);
+ }
+
+void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash)
+ {
+ err_fns_check();
+ ERRFN(thread_release)(hash);
}
const char *ERR_lib_error_string(unsigned long e)
{
- ERR_STRING_DATA d,*p=NULL;
+ ERR_STRING_DATA d,*p;
unsigned long l;
+ err_fns_check();
l=ERR_GET_LIB(e);
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
-
- if (error_hash != NULL)
- {
- d.error=ERR_PACK(l,0,0);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- }
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
-
+ d.error=ERR_PACK(l,0,0);
+ p=ERRFN(err_get_item)(&d);
return((p == NULL)?NULL:p->string);
}
const char *ERR_func_error_string(unsigned long e)
{
- ERR_STRING_DATA d,*p=NULL;
+ ERR_STRING_DATA d,*p;
unsigned long l,f;
+ err_fns_check();
l=ERR_GET_LIB(e);
f=ERR_GET_FUNC(e);
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
-
- if (error_hash != NULL)
- {
- d.error=ERR_PACK(l,f,0);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- }
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
-
+ d.error=ERR_PACK(l,f,0);
+ p=ERRFN(err_get_item)(&d);
return((p == NULL)?NULL:p->string);
}
ERR_STRING_DATA d,*p=NULL;
unsigned long l,r;
+ err_fns_check();
l=ERR_GET_LIB(e);
r=ERR_GET_REASON(e);
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
-
- if (error_hash != NULL)
+ d.error=ERR_PACK(l,0,r);
+ p=ERRFN(err_get_item)(&d);
+ if (!p)
{
- d.error=ERR_PACK(l,0,r);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- if (p == NULL)
- {
- d.error=ERR_PACK(0,0,r);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- }
+ d.error=ERR_PACK(0,0,r);
+ p=ERRFN(err_get_item)(&d);
}
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
-
return((p == NULL)?NULL:p->string);
}
-static unsigned long err_hash(ERR_STRING_DATA *a)
+void ERR_remove_thread_state(const CRYPTO_THREADID *id)
{
- unsigned long ret,l;
-
- l=a->error;
- ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l);
- return(ret^ret%19*13);
- }
-
-static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b)
- {
- return((int)(a->error-b->error));
- }
-
-static unsigned long pid_hash(ERR_STATE *a)
- {
- return(a->pid*13);
- }
-
-static int pid_cmp(ERR_STATE *a, ERR_STATE *b)
- {
- return((int)((long)a->pid - (long)b->pid));
+ ERR_STATE tmp;
+
+ if (id)
+ CRYPTO_THREADID_cpy(&tmp.tid, id);
+ else
+ CRYPTO_THREADID_current(&tmp.tid);
+ err_fns_check();
+ /* thread_del_item automatically destroys the LHASH if the number of
+ * items reaches zero. */
+ ERRFN(thread_del_item)(&tmp);
}
+#ifndef OPENSSL_NO_DEPRECATED
void ERR_remove_state(unsigned long pid)
{
- ERR_STATE *p = NULL,tmp;
-
- if (thread_hash == NULL)
- return;
- if (pid == 0)
- pid=(unsigned long)CRYPTO_thread_id();
- tmp.pid=pid;
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (thread_hash)
- {
- p=(ERR_STATE *)lh_delete(thread_hash,&tmp);
- if (lh_num_items(thread_hash) == 0)
- {
- /* make sure we don't leak memory */
- lh_free(thread_hash);
- thread_hash = NULL;
- }
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
- if (p != NULL) ERR_STATE_free(p);
+ ERR_remove_thread_state(NULL);
}
+#endif
ERR_STATE *ERR_get_state(void)
{
static ERR_STATE fallback;
- ERR_STATE *ret=NULL,tmp,*tmpp=NULL;
- int thread_state_exists;
+ ERR_STATE *ret,tmp,*tmpp=NULL;
int i;
- unsigned long pid;
+ CRYPTO_THREADID tid;
- pid=(unsigned long)CRYPTO_thread_id();
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (thread_hash != NULL)
- {
- tmp.pid=pid;
- ret=(ERR_STATE *)lh_retrieve(thread_hash,&tmp);
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+ err_fns_check();
+ CRYPTO_THREADID_current(&tid);
+ CRYPTO_THREADID_cpy(&tmp.tid, &tid);
+ ret=ERRFN(thread_get_item)(&tmp);
/* ret == the error state, if NULL, make a new one */
if (ret == NULL)
{
ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
if (ret == NULL) return(&fallback);
- ret->pid=pid;
+ CRYPTO_THREADID_cpy(&ret->tid, &tid);
ret->top=0;
ret->bottom=0;
for (i=0; i<ERR_NUM_ERRORS; i++)
ret->err_data[i]=NULL;
ret->err_data_flags[i]=0;
}
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
-
- /* no entry yet in thread_hash for current thread -
- * thus, it may have changed since we last looked at it */
- if (thread_hash == NULL)
- thread_hash = lh_new(pid_hash, pid_cmp);
- if (thread_hash == NULL)
- thread_state_exists = 0; /* allocation error */
- else
- {
- tmpp=(ERR_STATE *)lh_insert(thread_hash,ret);
- thread_state_exists = 1;
- }
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
- if (!thread_state_exists)
+ tmpp = ERRFN(thread_set_item)(ret);
+ /* To check if insertion failed, do a get. */
+ if (ERRFN(thread_get_item)(ret) != ret)
{
ERR_STATE_free(ret); /* could not insert it */
return(&fallback);
}
-
- if (tmpp != NULL) /* old entry - should not happen */
- {
+ /* If a race occured in this function and we came second, tmpp
+ * is the first one that we just replaced. */
+ if (tmpp)
ERR_STATE_free(tmpp);
- }
}
- return(ret);
+ return ret;
}
int ERR_get_next_error_library(void)
{
- static int value=ERR_LIB_USER;
-
- return(value++);
+ err_fns_check();
+ return ERRFN(get_next_lib)();
}
void ERR_set_error_data(char *data, int flags)
if (i == 0)
i=ERR_NUM_ERRORS-1;
+ err_clear_data(es,i);
es->err_data[i]=data;
- es->err_data_flags[es->top]=flags;
+ es->err_data_flags[i]=flags;
}
void ERR_add_error_data(int num, ...)
{
va_list args;
+ va_start(args, num);
+ ERR_add_error_vdata(num, args);
+ va_end(args);
+ }
+
+void ERR_add_error_vdata(int num, va_list args)
+ {
int i,n,s;
char *str,*p,*a;
- s=64;
+ s=80;
str=OPENSSL_malloc(s+1);
if (str == NULL) return;
str[0]='\0';
- va_start(args, num);
n=0;
for (i=0; i<num; i++)
{
else
str=p;
}
- strcat(str,a);
+ BUF_strlcat(str,a,(size_t)s+1);
}
}
ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);
+ }
- va_end(args);
+int ERR_set_mark(void)
+ {
+ ERR_STATE *es;
+
+ es=ERR_get_state();
+
+ if (es->bottom == es->top) return 0;
+ es->err_flags[es->top]|=ERR_FLAG_MARK;
+ return 1;
}
+int ERR_pop_to_mark(void)
+ {
+ ERR_STATE *es;
+
+ es=ERR_get_state();
+
+ while(es->bottom != es->top
+ && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0)
+ {
+ err_clear(es,es->top);
+ es->top-=1;
+ if (es->top == -1) es->top=ERR_NUM_ERRORS-1;
+ }
+
+ if (es->bottom == es->top) return 0;
+ es->err_flags[es->top]&=~ERR_FLAG_MARK;
+ return 1;
+ }
projects / openssl.git / blobdiff