aboutsummaryrefslogtreecommitdiff
path: root/openssl-1.1.0h/crypto/err/err.c
diff options
context:
space:
mode:
authorWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
committerWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
commitaa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch)
tree4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/crypto/err/err.c
downloadsmtps-and-pop3s-console-program-master.tar.gz
smtps-and-pop3s-console-program-master.zip
initial/final commitHEADmaster
Diffstat (limited to 'openssl-1.1.0h/crypto/err/err.c')
-rw-r--r--openssl-1.1.0h/crypto/err/err.c793
1 files changed, 793 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/err/err.c b/openssl-1.1.0h/crypto/err/err.c
new file mode 100644
index 0000000..c439928
--- /dev/null
+++ b/openssl-1.1.0h/crypto/err/err.c
@@ -0,0 +1,793 @@
+/*
+ * Copyright 1995-2016 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
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <internal/cryptlib_int.h>
+#include <internal/err.h>
+#include <internal/err_int.h>
+#include <openssl/lhash.h>
+#include <openssl/crypto.h>
+#include <openssl/buffer.h>
+#include <openssl/bio.h>
+#include <openssl/opensslconf.h>
+#include <internal/thread_once.h>
+
+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_ECDSA, 0, 0), "ECDSA routines"},
+ {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH 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_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_UI, 0, 0), "UI 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"},
+ {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"},
+ {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"},
+ {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF 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"},
+ {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"},
+ {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"},
+ {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"},
+ {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"},
+ {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"},
+ {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"},
+ {ERR_PACK(0, SYS_F_FFLUSH, 0), "fflush"},
+ {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_EC_LIB, "EC lib"},
+ {ERR_R_BIO_LIB, "BIO lib"},
+ {ERR_R_PKCS7_LIB, "PKCS7 lib"},
+ {ERR_R_X509V3_LIB, "X509V3 lib"},
+ {ERR_R_ENGINE_LIB, "ENGINE lib"},
+ {ERR_R_ECDSA_LIB, "ECDSA lib"},
+
+ {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"},
+ {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"},
+ {ERR_R_INIT_FAIL, "init fail"},
+
+ {0, NULL},
+};
+#endif
+
+static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT;
+static int set_err_thread_local;
+static CRYPTO_THREAD_LOCAL err_thread_local;
+
+static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT;
+static CRYPTO_RWLOCK *err_string_lock;
+
+static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
+
+/*
+ * The internal state
+ */
+
+static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL;
+static int int_err_library_number = ERR_LIB_USER;
+
+static unsigned long get_error_values(int inc, int top, const char **file,
+ int *line, const char **data,
+ int *flags);
+
+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 int err_string_data_cmp(const ERR_STRING_DATA *a,
+ const ERR_STRING_DATA *b)
+{
+ return (int)(a->error - b->error);
+}
+
+static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
+{
+ ERR_STRING_DATA *p = NULL;
+
+ CRYPTO_THREAD_read_lock(err_string_lock);
+ if (int_error_hash != NULL)
+ p = lh_ERR_STRING_DATA_retrieve(int_error_hash, d);
+ CRYPTO_THREAD_unlock(err_string_lock);
+
+ return p;
+}
+
+#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];
+ static int init = 1;
+ int i;
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
+ if (!init) {
+ CRYPTO_THREAD_unlock(err_string_lock);
+ return;
+ }
+
+ 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]);
+ if (openssl_strerror_r(i, *dest, sizeof(*dest)))
+ 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_THREAD_unlock(err_string_lock);
+}
+#endif
+
+#define err_clear_data(p,i) \
+ do { \
+ if ((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; \
+ } 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)
+ return;
+
+ for (i = 0; i < ERR_NUM_ERRORS; i++) {
+ err_clear_data(s, i);
+ }
+ OPENSSL_free(s);
+}
+
+DEFINE_RUN_ONCE_STATIC(do_err_strings_init)
+{
+ OPENSSL_init_crypto(0, NULL);
+ err_string_lock = CRYPTO_THREAD_lock_new();
+ return err_string_lock != NULL;
+}
+
+void err_cleanup(void)
+{
+ if (set_err_thread_local != 0)
+ CRYPTO_THREAD_cleanup_local(&err_thread_local);
+ CRYPTO_THREAD_lock_free(err_string_lock);
+ err_string_lock = NULL;
+}
+
+int ERR_load_ERR_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init))
+ return 0;
+
+ 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
+ return 1;
+}
+
+static void err_load_strings(int lib, ERR_STRING_DATA *str)
+{
+ CRYPTO_THREAD_write_lock(err_string_lock);
+ if (int_error_hash == NULL)
+ int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash,
+ err_string_data_cmp);
+ if (int_error_hash != NULL) {
+ for (; str->error; str++) {
+ if (lib)
+ str->error |= ERR_PACK(lib, 0, 0);
+ (void)lh_ERR_STRING_DATA_insert(int_error_hash, str);
+ }
+ }
+ CRYPTO_THREAD_unlock(err_string_lock);
+}
+
+int ERR_load_strings(int lib, ERR_STRING_DATA *str)
+{
+ if (ERR_load_ERR_strings() == 0)
+ return 0;
+ err_load_strings(lib, str);
+ return 1;
+}
+
+int ERR_unload_strings(int lib, ERR_STRING_DATA *str)
+{
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init))
+ return 0;
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
+ if (int_error_hash != NULL) {
+ for (; str->error; str++) {
+ if (lib)
+ str->error |= ERR_PACK(lib, 0, 0);
+ (void)lh_ERR_STRING_DATA_delete(int_error_hash, str);
+ }
+ }
+ CRYPTO_THREAD_unlock(err_string_lock);
+
+ return 1;
+}
+
+void err_free_strings_int(void)
+{
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init))
+ return;
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
+ lh_ERR_STRING_DATA_free(int_error_hash);
+ int_error_hash = NULL;
+ CRYPTO_THREAD_unlock(err_string_lock);
+}
+
+/********************************************************/
+
+void ERR_put_error(int lib, int func, int reason, const char *file, int line)
+{
+ ERR_STATE *es;
+
+#ifdef _OSD_POSIX
+ /*
+ * In the BS2000-OSD POSIX subsystem, the compiler generates path names
+ * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to
+ * something sensible. @@@ We shouldn't modify a const string, though.
+ */
+ if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) {
+ char *end;
+
+ /* Skip the "*POSIX(" prefix */
+ file += sizeof("*POSIX(") - 1;
+ end = &file[strlen(file) - 1];
+ if (*end == ')')
+ *end = '\0';
+ /* Optional: use the basename of the path only. */
+ if ((end = strrchr(file, '/')) != NULL)
+ file = &end[1];
+ }
+#endif
+ es = ERR_get_state();
+ if (es == NULL)
+ return;
+
+ 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;
+ err_clear_data(es, es->top);
+}
+
+void ERR_clear_error(void)
+{
+ int i;
+ ERR_STATE *es;
+
+ es = ERR_get_state();
+ if (es == NULL)
+ return;
+
+ for (i = 0; i < ERR_NUM_ERRORS; i++) {
+ err_clear(es, i);
+ }
+ es->top = es->bottom = 0;
+}
+
+unsigned long ERR_get_error(void)
+{
+ 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, 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, 0, file, line, data, flags));
+}
+
+unsigned long ERR_peek_error(void)
+{
+ 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, 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, 0, file, line, data, flags));
+}
+
+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;
+ ERR_STATE *es;
+ unsigned long ret;
+
+ es = ERR_get_state();
+ if (es == NULL)
+ return 0;
+
+ 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) {
+ es->bottom = i;
+ es->err_buffer[i] = 0;
+ }
+
+ if ((file != NULL) && (line != NULL)) {
+ if (es->err_file[i] == NULL) {
+ *file = "NA";
+ if (line != NULL)
+ *line = 0;
+ } else {
+ *file = es->err_file[i];
+ if (line != NULL)
+ *line = es->err_line[i];
+ }
+ }
+
+ if (data == NULL) {
+ if (inc) {
+ err_clear_data(es, i);
+ }
+ } else {
+ if (es->err_data[i] == NULL) {
+ *data = "";
+ if (flags != NULL)
+ *flags = 0;
+ } else {
+ *data = es->err_data[i];
+ if (flags != NULL)
+ *flags = es->err_data_flags[i];
+ }
+ }
+ return ret;
+}
+
+void ERR_error_string_n(unsigned long e, char *buf, size_t len)
+{
+ char lsbuf[64], fsbuf[64], rsbuf[64];
+ const char *ls, *fs, *rs;
+ unsigned long l, f, r;
+
+ if (len == 0)
+ return;
+
+ l = ERR_GET_LIB(e);
+ f = ERR_GET_FUNC(e);
+ r = ERR_GET_REASON(e);
+
+ ls = ERR_lib_error_string(e);
+ fs = ERR_func_error_string(e);
+ rs = ERR_reason_error_string(e);
+
+ if (ls == NULL)
+ BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l);
+ if (fs == NULL)
+ BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f);
+ if (rs == NULL)
+ BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r);
+
+ BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf,
+ fs ? fs : fsbuf, rs ? rs : rsbuf);
+ if (strlen(buf) == len - 1) {
+ /*
+ * output may be truncated; make sure we always have 5
+ * colon-separated fields, i.e. 4 colons ...
+ */
+#define NUM_COLONS 4
+ if (len > NUM_COLONS) { /* ... if possible */
+ int i;
+ char *s = buf;
+
+ for (i = 0; i < NUM_COLONS; i++) {
+ char *colon = strchr(s, ':');
+ if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) {
+ /*
+ * set colon no. i at last possible position (buf[len-1]
+ * is the terminating 0)
+ */
+ colon = &buf[len - 1] - NUM_COLONS + i;
+ *colon = ':';
+ }
+ s = colon + 1;
+ }
+ }
+ }
+}
+
+/*
+ * 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];
+
+ if (ret == NULL)
+ ret = buf;
+ ERR_error_string_n(e, ret, 256);
+
+ return ret;
+}
+
+const char *ERR_lib_error_string(unsigned long e)
+{
+ ERR_STRING_DATA d, *p;
+ unsigned long l;
+
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
+ return NULL;
+ }
+
+ l = ERR_GET_LIB(e);
+ d.error = ERR_PACK(l, 0, 0);
+ p = int_err_get_item(&d);
+ return ((p == NULL) ? NULL : p->string);
+}
+
+const char *ERR_func_error_string(unsigned long e)
+{
+ ERR_STRING_DATA d, *p;
+ unsigned long l, f;
+
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
+ return NULL;
+ }
+
+ l = ERR_GET_LIB(e);
+ f = ERR_GET_FUNC(e);
+ d.error = ERR_PACK(l, f, 0);
+ p = int_err_get_item(&d);
+ return ((p == NULL) ? NULL : p->string);
+}
+
+const char *ERR_reason_error_string(unsigned long e)
+{
+ ERR_STRING_DATA d, *p = NULL;
+ unsigned long l, r;
+
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
+ return NULL;
+ }
+
+ l = ERR_GET_LIB(e);
+ r = ERR_GET_REASON(e);
+ d.error = ERR_PACK(l, 0, r);
+ p = int_err_get_item(&d);
+ if (!p) {
+ d.error = ERR_PACK(0, 0, r);
+ p = int_err_get_item(&d);
+ }
+ return ((p == NULL) ? NULL : p->string);
+}
+
+void err_delete_thread_state(void)
+{
+ ERR_STATE *state = CRYPTO_THREAD_get_local(&err_thread_local);
+ if (state == NULL)
+ return;
+
+ CRYPTO_THREAD_set_local(&err_thread_local, NULL);
+ ERR_STATE_free(state);
+}
+
+#if OPENSSL_API_COMPAT < 0x10100000L
+void ERR_remove_thread_state(void *dummy)
+{
+}
+#endif
+
+#if OPENSSL_API_COMPAT < 0x10000000L
+void ERR_remove_state(unsigned long pid)
+{
+}
+#endif
+
+DEFINE_RUN_ONCE_STATIC(err_do_init)
+{
+ set_err_thread_local = 1;
+ return CRYPTO_THREAD_init_local(&err_thread_local, NULL);
+}
+
+ERR_STATE *ERR_get_state(void)
+{
+ ERR_STATE *state = NULL;
+
+ if (!RUN_ONCE(&err_init, err_do_init))
+ return NULL;
+
+ /*
+ * If base OPENSSL_init_crypto() hasn't been called yet, be sure to call
+ * it now to avoid state to be doubly allocated and thereby leak memory.
+ * Needed on any platform that doesn't define OPENSSL_USE_NODELETE.
+ */
+ if (!OPENSSL_init_crypto(0, NULL))
+ return NULL;
+
+ state = CRYPTO_THREAD_get_local(&err_thread_local);
+
+ if (state == NULL) {
+ state = OPENSSL_zalloc(sizeof(*state));
+ if (state == NULL)
+ return NULL;
+
+ if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE)
+ || !CRYPTO_THREAD_set_local(&err_thread_local, state)) {
+ ERR_STATE_free(state);
+ return NULL;
+ }
+
+ /* Ignore failures from these */
+ OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+ }
+
+ return state;
+}
+
+int ERR_get_next_error_library(void)
+{
+ int ret;
+
+ if (!RUN_ONCE(&err_string_init, do_err_strings_init)) {
+ return 0;
+ }
+
+ CRYPTO_THREAD_write_lock(err_string_lock);
+ ret = int_err_library_number++;
+ CRYPTO_THREAD_unlock(err_string_lock);
+ return ret;
+}
+
+void ERR_set_error_data(char *data, int flags)
+{
+ ERR_STATE *es;
+ int i;
+
+ es = ERR_get_state();
+ if (es == NULL)
+ return;
+
+ i = es->top;
+
+ err_clear_data(es, i);
+ es->err_data[i] = data;
+ 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 = 80;
+ str = OPENSSL_malloc(s + 1);
+ if (str == NULL)
+ return;
+ str[0] = '\0';
+
+ n = 0;
+ for (i = 0; i < num; i++) {
+ a = va_arg(args, char *);
+ /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
+ if (a != NULL) {
+ n += strlen(a);
+ if (n > s) {
+ s = n + 20;
+ p = OPENSSL_realloc(str, s + 1);
+ if (p == NULL) {
+ OPENSSL_free(str);
+ return;
+ }
+ str = p;
+ }
+ OPENSSL_strlcat(str, a, (size_t)s + 1);
+ }
+ }
+ ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);
+}
+
+int ERR_set_mark(void)
+{
+ ERR_STATE *es;
+
+ es = ERR_get_state();
+ if (es == NULL)
+ return 0;
+
+ 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();
+ if (es == NULL)
+ return 0;
+
+ 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;
+}