+#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; \
+ } 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);
+}
+
+void ERR_load_ERR_strings(void)
+{
+#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
+}
+
+static void err_load_strings(int lib, ERR_STRING_DATA *str)
+{
+ LHASH_OF(ERR_STRING_DATA) *hash;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ hash = get_hash(1, 0);
+ if (hash) {
+ for (; str->error; str++) {
+ if (lib)
+ str->error |= ERR_PACK(lib, 0, 0);
+ (void)lh_ERR_STRING_DATA_insert(hash, str);
+ }
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+}
+
+void ERR_load_strings(int lib, ERR_STRING_DATA *str)
+{
+ ERR_load_ERR_strings();
+ err_load_strings(lib, str);
+}
+
+void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
+{
+ LHASH_OF(ERR_STRING_DATA) *hash;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+ hash = get_hash(0, 0);
+ if (hash) {
+ for (; str->error; str++) {
+ if (lib)
+ str->error |= ERR_PACK(lib, 0, 0);
+ (void)lh_ERR_STRING_DATA_delete(hash, str);
+ }
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+}
+
+void ERR_free_strings(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);
+}
+
+/********************************************************/
+
+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();
+
+ 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();
+
+ 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 (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;
+
+ 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;
+ }
+ }
+ }
+}
+
+/* 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];
+
+ if (ret == NULL)
+ ret = buf;
+ ERR_error_string_n(e, ret, 256);
+
+ return ret;
+}
+
+LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void)
+{
+ return get_hash(0, 1);
+}
+
+LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void)
+{
+ return int_thread_get(0, 1);
+}
+
+void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash)
+{
+ int_thread_release(hash);
+}
+
+const char *ERR_lib_error_string(unsigned long e)
+{
+ ERR_STRING_DATA d, *p;
+ unsigned long l;
+
+ 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;
+
+ 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;
+
+ 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_remove_thread_state(const CRYPTO_THREADID *id)
+{
+ ERR_STATE tmp;
+
+ if (id)
+ CRYPTO_THREADID_cpy(&tmp.tid, id);
+ else
+ CRYPTO_THREADID_current(&tmp.tid);
+ /*
+ * thread_del_item automatically destroys the LHASH if the number of
+ * items reaches zero.
+ */
+ int_thread_del_item(&tmp);
+}
+
+#ifndef OPENSSL_NO_DEPRECATED
+void ERR_remove_state(unsigned long pid)
+{
+ ERR_remove_thread_state(NULL);
+}