-static void err_load_strings(int lib, ERR_STRING_DATA *str);
-
-static void ERR_STATE_free(ERR_STATE *s);
-#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_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_OBJ,0,0) ,"object identifier routines"},
-{ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM 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_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_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_ENGINE,0,0) ,"engine routines"},
-{ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"},
-{0,NULL},
- };
-
-static ERR_STRING_DATA ERR_str_functs[]=
- {
- {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"},
- {ERR_PACK(0,SYS_F_CONNECT,0), "connect"},
- {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"},
- {ERR_PACK(0,SYS_F_SOCKET,0), "socket"},
- {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"},
- {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 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_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"},
-{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 *(*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 *(*cb_thread_get)(int create);
- void (*cb_thread_release)(LHASH **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 *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 *int_thread_get(int create);
-static void int_thread_release(LHASH **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 *int_error_hash = NULL;
-static LHASH *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 err_hash(ERR_STRING_DATA *a); */
-static unsigned long err_hash(const void *a_void);
-/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */
-static int err_cmp(const void *a_void, const void *b_void);
-/* static unsigned long pid_hash(ERR_STATE *pid); */
-static unsigned long pid_hash(const void *pid_void);
-/* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */
-static int pid_cmp(const void *a_void,const void *pid_void);
-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 LHASH *int_err_get(int create)
- {
- LHASH *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_new(err_hash, err_cmp);
- 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_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 *hash;
-
- err_fns_check();
- hash = ERRFN(err_get)(0);
- if (!hash)
- return NULL;
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR);
- p = (ERR_STRING_DATA *)lh_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 *hash;
-
- err_fns_check();
- hash = ERRFN(err_get)(1);
- if (!hash)
- return NULL;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- p = (ERR_STRING_DATA *)lh_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 *hash;
-
- err_fns_check();
- hash = ERRFN(err_get)(0);
- if (!hash)
- return NULL;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- p = (ERR_STRING_DATA *)lh_delete(hash, d);
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
- return p;
- }
-
-static LHASH *int_thread_get(int create)
- {
- LHASH *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_new(pid_hash, pid_cmp);
- 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 **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 *hash;
-
- err_fns_check();
- hash = ERRFN(thread_get)(0);
- if (!hash)
- return NULL;
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR);
- p = (ERR_STATE *)lh_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 *hash;
-
- err_fns_check();
- hash = ERRFN(thread_get)(1);
- if (!hash)
- return NULL;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- p = (ERR_STATE *)lh_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 *hash;
-
- err_fns_check();
- hash = ERRFN(thread_get)(0);
- if (!hash)
- return;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- p = (ERR_STATE *)lh_delete(hash, d);
- /* make sure we don't leak memory */
- if (int_thread_hash_references == 1
- && int_thread_hash && (lh_num_items(int_thread_hash) == 0))
- {
- lh_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
-
-static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1];
-/* 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(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;
-
- if (!init) return;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
-
- for (i = 1; i <= NUM_SYS_STR_REASONS; i++)
- {
- ERR_STRING_DATA *str = &SYS_str_reasons[i - 1];
-
- str->error = (unsigned long)i;
- if (str->string == NULL)
- {
- char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]);
- char *src = strerror(i);
- if (src != NULL)
- {
- strncpy(*dest, src, sizeof *dest);
- (*dest)[sizeof *dest - 1] = '\0';
- str->string = *dest;
- }
- }
- if (str->string == NULL)
- str->string = "unknown";
- }
-
- /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL},
- * as required by ERR_load_strings. */
-
- init = 0;
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- }
-#endif