diff options
Diffstat (limited to 'src/crypto/err/err.c')
-rw-r--r-- | src/crypto/err/err.c | 809 |
1 files changed, 809 insertions, 0 deletions
diff --git a/src/crypto/err/err.c b/src/crypto/err/err.c new file mode 100644 index 0000000..ec2062e --- /dev/null +++ b/src/crypto/err/err.c @@ -0,0 +1,809 @@ +/* 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 + * documentation and/or other materials provided with the distribution. + * 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) 1998-2006 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 + * 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 + * the documentation and/or other materials provided with the + * 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 <openssl/err.h> + +#include <assert.h> +#include <errno.h> +#include <inttypes.h> +#include <stdarg.h> +#include <stdio.h> +#include <string.h> + +#if defined(OPENSSL_WINDOWS) +#pragma warning(push, 3) +#include <Windows.h> +#pragma warning(pop) +#endif + +#include <openssl/lhash.h> +#include <openssl/mem.h> +#include <openssl/thread.h> + + +/* err_fns contains a pointer to the current error implementation. */ +static const struct ERR_FNS_st *err_fns = NULL; +extern const struct ERR_FNS_st openssl_err_default_impl; + +#define ERRFN(a) err_fns->a + +/* err_fns_check is an internal function that checks whether "err_fns" is set + * and if not, sets it to the default. */ +static void err_fns_check(void) { + /* In practice, this is not a race problem because loading the error strings + * at init time will cause this pointer to be set before the process goes + * multithreaded. */ + if (err_fns) { + return; + } + + CRYPTO_w_lock(CRYPTO_LOCK_ERR); + if (!err_fns) { + err_fns = &openssl_err_default_impl; + } + CRYPTO_w_unlock(CRYPTO_LOCK_ERR); +} + +/* err_clear_data frees the optional |data| member of the given error. */ +static void err_clear_data(struct err_error_st *error) { + if (error->data != NULL && (error->flags & ERR_FLAG_MALLOCED) != 0) { + OPENSSL_free(error->data); + } + error->data = NULL; + error->flags &= ~ERR_FLAG_MALLOCED; +} + +/* err_clear clears the given queued error. */ +static void err_clear(struct err_error_st *error) { + err_clear_data(error); + memset(error, 0, sizeof(struct err_error_st)); +} + +/* err_get_state gets the ERR_STATE object for the current thread. */ +static ERR_STATE *err_get_state(void) { + err_fns_check(); + return ERRFN(get_state)(); +} + +static uint32_t get_error_values(int inc, int top, const char **file, int *line, + const char **data, int *flags) { + unsigned i = 0; + ERR_STATE *state; + struct err_error_st *error; + uint32_t ret; + + state = err_get_state(); + if (state == NULL || state->bottom == state->top) { + return 0; + } + + if (top) { + assert(!inc); + /* last error */ + i = state->top; + } else { + i = (state->bottom + 1) % ERR_NUM_ERRORS; + } + + error = &state->errors[i]; + ret = error->packed; + + if (file != NULL && line != NULL) { + if (error->file == NULL) { + *file = "NA"; + *line = 0; + } else { + *file = error->file; + *line = error->line; + } + } + + if (data != NULL) { + if (error->data == NULL) { + *data = ""; + if (flags != NULL) { + *flags = 0; + } + } else { + *data = error->data; + if (flags != NULL) { + *flags = error->flags & ERR_FLAG_PUBLIC_MASK; + } + /* If this error is being removed, take ownership of data from + * the error. The semantics are such that the caller doesn't + * take ownership either. Instead the error system takes + * ownership and retains it until the next call that affects the + * error queue. */ + if (inc) { + if (error->flags & ERR_FLAG_MALLOCED) { + if (state->to_free) { + OPENSSL_free(state->to_free); + } + state->to_free = error->data; + } + error->data = NULL; + error->flags = 0; + } + } + } + + if (inc) { + assert(!top); + err_clear(error); + state->bottom = i; + } + + return ret; +} + +uint32_t ERR_get_error(void) { + return get_error_values(1, 0, NULL, NULL, NULL, NULL); +} + +uint32_t ERR_get_error_line(const char **file, int *line) { + return get_error_values(1, 0, file, line, NULL, NULL); +} + +uint32_t 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); +} + +uint32_t ERR_peek_error(void) { + return get_error_values(0, 0, NULL, NULL, NULL, NULL); +} + +uint32_t ERR_peek_error_line(const char **file, int *line) { + return get_error_values(0, 0, file, line, NULL, NULL); +} + +uint32_t 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); +} + +uint32_t ERR_peek_last_error(void) { + return get_error_values(0, 1, NULL, NULL, NULL, NULL); +} + +uint32_t ERR_peek_last_error_line(const char **file, int *line) { + return get_error_values(0, 1, file, line, NULL, NULL); +} + +uint32_t 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); +} + +void ERR_clear_error(void) { + ERR_STATE *const state = err_get_state(); + unsigned i; + + if (state == NULL) { + return; + } + + for (i = 0; i < ERR_NUM_ERRORS; i++) { + err_clear(&state->errors[i]); + } + if (state->to_free) { + OPENSSL_free(state->to_free); + state->to_free = NULL; + } + + state->top = state->bottom = 0; +} + +static void err_state_free(ERR_STATE *state) { + unsigned i; + + for (i = 0; i < ERR_NUM_ERRORS; i++) { + err_clear(&state->errors[i]); + } + if (state->to_free) { + OPENSSL_free(state->to_free); + } + OPENSSL_free(state); +} + +void ERR_remove_thread_state(const CRYPTO_THREADID *tid) { + CRYPTO_THREADID current; + ERR_STATE *state; + + if (tid == NULL) { + CRYPTO_THREADID_current(¤t); + tid = ¤t; + } + + err_fns_check(); + state = ERRFN(release_state)(tid); + if (state == NULL) { + return; + } + + err_state_free(state); +} + +int ERR_get_next_error_library(void) { + err_fns_check(); + return ERRFN(get_next_library)(); +} + +void ERR_clear_system_error(void) { + errno = 0; +} + +char *ERR_error_string(uint32_t packed_error, char *ret) { + static char buf[ERR_ERROR_STRING_BUF_LEN]; + + if (ret == NULL) { + /* TODO(fork): remove this. */ + ret = buf; + } + +#if !defined(NDEBUG) + /* This is aimed to help catch callers who don't provide + * |ERR_ERROR_STRING_BUF_LEN| bytes of space. */ + memset(ret, 0, ERR_ERROR_STRING_BUF_LEN); +#endif + + ERR_error_string_n(packed_error, ret, ERR_ERROR_STRING_BUF_LEN); + + return ret; +} + +void ERR_error_string_n(uint32_t packed_error, char *buf, size_t len) { + char lib_buf[64], func_buf[64], reason_buf[64]; + const char *lib_str, *func_str, *reason_str; + unsigned lib, func, reason; + + if (len == 0) { + return; + } + + lib = ERR_GET_LIB(packed_error); + func = ERR_GET_FUNC(packed_error); + reason = ERR_GET_REASON(packed_error); + + lib_str = ERR_lib_error_string(packed_error); + func_str = ERR_func_error_string(packed_error); + reason_str = ERR_reason_error_string(packed_error); + + if (lib_str == NULL) { + BIO_snprintf(lib_buf, sizeof(lib_buf), "lib(%u)", lib); + lib_str = lib_buf; + } + + if (func_str == NULL) { + BIO_snprintf(func_buf, sizeof(func_buf), "func(%u)", func); + func_str = func_buf; + } + + if (reason_str == NULL) { + BIO_snprintf(reason_buf, sizeof(reason_buf), "reason(%u)", reason); + reason_str = reason_buf; + } + + BIO_snprintf(buf, len, "error:%08" PRIx32 ":%s:%s:%s", + packed_error, lib_str, func_str, reason_str); + + if (strlen(buf) == len - 1) { + /* output may be truncated; make sure we always have 5 colon-separated + * fields, i.e. 4 colons. */ + static const unsigned num_colons = 4; + unsigned i; + char *s = buf; + + if (len <= num_colons) { + /* In this situation it's not possible to ensure that the correct number + * of colons are included in the output. */ + return; + } + + for (i = 0; i < num_colons; i++) { + char *colon = strchr(s, ':'); + char *last_pos = &buf[len - 1] - num_colons + i; + + if (colon == NULL || colon > last_pos) { + /* set colon |i| at last possible position (buf[len-1] is the + * terminating 0). If we're setting this colon, then all whole of the + * rest of the string must be colons in order to have the correct + * number. */ + memset(last_pos, ':', num_colons - i); + break; + } + + s = colon + 1; + } + } +} + +/* err_component_error_string returns the error string associated with + * |packed_error|, which must be of a special form matching the keys inserted + * into the error hash table. */ +static const char *err_component_error_string(uint32_t packed_error) { + ERR_STRING_DATA *p; + + err_fns_check(); + p = ERRFN(get_item)(packed_error); + + if (p == NULL) { + return NULL; + } + return p->string; +} + +const char *ERR_lib_error_string(uint32_t packed_error) { + return err_component_error_string(ERR_PACK(ERR_GET_LIB(packed_error), 0, 0)); +} + +const char *ERR_func_error_string(uint32_t packed_error) { + return err_component_error_string( + ERR_PACK(ERR_GET_LIB(packed_error), ERR_GET_FUNC(packed_error), 0)); +} + +const char *ERR_reason_error_string(uint32_t packed_error) { + const char *reason_str = err_component_error_string( + ERR_PACK(ERR_GET_LIB(packed_error), 0, ERR_GET_REASON(packed_error))); + + if (reason_str != NULL) { + return reason_str; + } + + return err_component_error_string( + ERR_PACK(0, 0, ERR_GET_REASON(packed_error))); +} + +void ERR_print_errors_cb(ERR_print_errors_callback_t callback, void *ctx) { + CRYPTO_THREADID current_thread; + char buf[ERR_ERROR_STRING_BUF_LEN]; + char buf2[1024]; + unsigned long thread_hash; + const char *file, *data; + int line, flags; + uint32_t packed_error; + + CRYPTO_THREADID_current(¤t_thread); + thread_hash = CRYPTO_THREADID_hash(¤t_thread); + + for (;;) { + packed_error = ERR_get_error_line_data(&file, &line, &data, &flags); + if (packed_error == 0) { + break; + } + + ERR_error_string_n(packed_error, buf, sizeof(buf)); + BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", thread_hash, buf, + file, line, (flags & ERR_FLAG_STRING) ? data : ""); + if (callback(buf2, strlen(buf2), ctx) <= 0) { + break; + } + } +} + +/* err_set_error_data sets the data on the most recent error. The |flags| + * argument is a combination of the |ERR_FLAG_*| values. */ +static void err_set_error_data(char *data, int flags) { + ERR_STATE *const state = err_get_state(); + struct err_error_st *error; + + if (state == NULL || state->top == state->bottom) { + if (flags & ERR_FLAG_MALLOCED) { + OPENSSL_free(data); + } + return; + } + + error = &state->errors[state->top]; + + err_clear_data(error); + error->data = data; + error->flags = flags; +} + +void ERR_put_error(int library, int func, int reason, const char *file, + unsigned line) { + ERR_STATE *const state = err_get_state(); + struct err_error_st *error; + + if (state == NULL) { + return; + } + + if (library == ERR_LIB_SYS && reason == 0) { +#if defined(WIN32) + reason = GetLastError(); +#else + reason = errno; +#endif + } + + state->top = (state->top + 1) % ERR_NUM_ERRORS; + if (state->top == state->bottom) { + state->bottom = (state->bottom + 1) % ERR_NUM_ERRORS; + } + + error = &state->errors[state->top]; + err_clear(error); + error->file = file; + error->line = line; + error->packed = ERR_PACK(library, func, reason); +} + +/* ERR_add_error_data_vdata takes a variable number of const char* pointers, + * concatenates them and sets the result as the data on the most recent + * error. */ +static void err_add_error_vdata(unsigned num, va_list args) { + size_t alloced, new_len, len = 0, substr_len; + char *buf; + const char *substr; + unsigned i; + + alloced = 80; + buf = OPENSSL_malloc(alloced + 1); + if (buf == NULL) { + return; + } + + for (i = 0; i < num; i++) { + substr = va_arg(args, const char *); + if (substr == NULL) { + continue; + } + + substr_len = strlen(substr); + new_len = len + substr_len; + if (new_len > alloced) { + char *new_buf; + + if (alloced + 20 + 1 < alloced) { + /* overflow. */ + OPENSSL_free(buf); + return; + } + + alloced = new_len + 20; + new_buf = OPENSSL_realloc(buf, alloced + 1); + if (new_buf == NULL) { + OPENSSL_free(buf); + return; + } + buf = new_buf; + } + + memcpy(buf + len, substr, substr_len); + len = new_len; + } + + buf[len] = 0; + err_set_error_data(buf, ERR_FLAG_MALLOCED | ERR_FLAG_STRING); +} + +void ERR_add_error_data(unsigned count, ...) { + va_list args; + va_start(args, count); + err_add_error_vdata(count, args); + va_end(args); +} + +void ERR_add_error_dataf(const char *format, ...) { + va_list ap; + char *buf; + static const unsigned buf_len = 256; + + /* A fixed-size buffer is used because va_copy (which would be needed in + * order to call vsnprintf twice and measure the buffer) wasn't defined until + * C99. */ + buf = OPENSSL_malloc(buf_len + 1); + if (buf == NULL) { + return; + } + + va_start(ap, format); + BIO_vsnprintf(buf, buf_len, format, ap); + buf[buf_len] = 0; + va_end(ap); + + err_set_error_data(buf, ERR_FLAG_MALLOCED | ERR_FLAG_STRING); +} + +int ERR_set_mark(void) { + ERR_STATE *const state = err_get_state(); + + if (state == NULL || state->bottom == state->top) { + return 0; + } + state->errors[state->top].flags |= ERR_FLAG_MARK; + return 1; +} + +int ERR_pop_to_mark(void) { + ERR_STATE *const state = err_get_state(); + + if (state == NULL) { + return 0; + } + + while (state->bottom != state->top) { + struct err_error_st *error = &state->errors[state->top]; + + if ((error->flags & ERR_FLAG_MARK) != 0) { + error->flags &= ~ERR_FLAG_MARK; + return 1; + } + + err_clear(error); + if (state->top == 0) { + state->top = ERR_NUM_ERRORS - 1; + } else { + state->top--; + } + } + + return 0; +} + +static const char *const kLibraryNames[ERR_NUM_LIBS] = { + "invalid library (0)", + "unknown library", /* ERR_LIB_NONE */ + "system library", /* ERR_LIB_SYS */ + "bignum routines", /* ERR_LIB_BN */ + "RSA routines", /* ERR_LIB_RSA */ + "Diffie-Hellman routines", /* ERR_LIB_DH */ + "public key routines", /* ERR_LIB_EVP */ + "memory buffer routines", /* ERR_LIB_BUF */ + "object identifier routines", /* ERR_LIB_OBJ */ + "PEM routines", /* ERR_LIB_PEM */ + "DSA routines", /* ERR_LIB_DSA */ + "X.509 certificate routines", /* ERR_LIB_X509 */ + "ASN.1 encoding routines", /* ERR_LIB_ASN1 */ + "configuration file routines", /* ERR_LIB_CONF */ + "common libcrypto routines", /* ERR_LIB_CRYPTO */ + "elliptic curve routines", /* ERR_LIB_EC */ + "SSL routines", /* ERR_LIB_SSL */ + "BIO routines", /* ERR_LIB_BIO */ + "PKCS7 routines", /* ERR_LIB_PKCS7 */ + "PKCS8 routines", /* ERR_LIB_PKCS8 */ + "X509 V3 routines", /* ERR_LIB_X509V3 */ + "random number generator", /* ERR_LIB_RAND */ + "ENGINE routines", /* ERR_LIB_ENGINE */ + "OCSP routines", /* ERR_LIB_OCSP */ + "UI routines", /* ERR_LIB_UI */ + "COMP routines", /* ERR_LIB_COMP */ + "ECDSA routines", /* ERR_LIB_ECDSA */ + "ECDH routines", /* ERR_LIB_ECDH */ + "HMAC routines", /* ERR_LIB_HMAC */ + "Digest functions", /* ERR_LIB_DIGEST */ + "Cipher functions", /* ERR_LIB_CIPHER */ + "User defined functions", /* ERR_LIB_USER */ + "HKDF functions", /* ERR_LIB_HKDF */ +}; + +#define NUM_SYS_ERRNOS 127 + +/* kStaticErrors provides storage for ERR_STRING_DATA values that are created + * at init time because we assume that ERR_STRING_DATA structures aren't + * allocated on the heap. */ +static ERR_STRING_DATA kStaticErrors[ERR_NUM_LIBS * 2 + NUM_SYS_ERRNOS]; + +static const ERR_STRING_DATA kGlobalErrors[] = { + {ERR_R_MALLOC_FAILURE, "malloc failure"}, + {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, "function should not be called"}, + {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, + {ERR_R_INTERNAL_ERROR, "internal error"}, + {ERR_R_OVERFLOW, "overflow"}, + + {ERR_PACK(ERR_LIB_SYS, SYS_F_fopen, 0), "fopen"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_fclose, 0), "fclose"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_fread, 0), "fread"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_fwrite, 0), "fwrite"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_socket, 0), "socket"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_setsockopt, 0), "setsockopt"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_connect, 0), "connect"}, + {ERR_PACK(ERR_LIB_SYS, SYS_F_getaddrinfo, 0), "getaddrinfo"}, + + {0, NULL}, +}; + + +extern const ERR_STRING_DATA ASN1_error_string_data[]; +extern const ERR_STRING_DATA BIO_error_string_data[]; +extern const ERR_STRING_DATA BN_error_string_data[]; +extern const ERR_STRING_DATA BUF_error_string_data[]; +extern const ERR_STRING_DATA CIPHER_error_string_data[]; +extern const ERR_STRING_DATA CONF_error_string_data[]; +extern const ERR_STRING_DATA CRYPTO_error_string_data[]; +extern const ERR_STRING_DATA DH_error_string_data[]; +extern const ERR_STRING_DATA DIGEST_error_string_data[]; +extern const ERR_STRING_DATA DSA_error_string_data[]; +extern const ERR_STRING_DATA ECDH_error_string_data[]; +extern const ERR_STRING_DATA ECDSA_error_string_data[]; +extern const ERR_STRING_DATA EC_error_string_data[]; +extern const ERR_STRING_DATA ENGINE_error_string_data[]; +extern const ERR_STRING_DATA EVP_error_string_data[]; +extern const ERR_STRING_DATA HKDF_error_string_data[]; +extern const ERR_STRING_DATA OBJ_error_string_data[]; +extern const ERR_STRING_DATA PEM_error_string_data[]; +extern const ERR_STRING_DATA PKCS8_error_string_data[]; +extern const ERR_STRING_DATA RSA_error_string_data[]; +extern const ERR_STRING_DATA X509V3_error_string_data[]; +extern const ERR_STRING_DATA X509_error_string_data[]; + +static void err_load_strings(void) { + unsigned i, j = 0; + + err_fns_check(); + + /* This loop loads strings for the libraries for the ERR_R_*_LIB + * reasons. */ + for (i = ERR_LIB_NONE; i < ERR_NUM_LIBS; i++) { + ERR_STRING_DATA *data = &kStaticErrors[j++]; + data->string = kLibraryNames[i]; + data->error = ERR_PACK(i, 0, 0); + ERRFN(set_item)(data); + + data = &kStaticErrors[j++]; + data->string = kLibraryNames[i]; + data->error = ERR_PACK(0, 0, i); + ERRFN(set_item)(data); + } + + for (i = 1; i < 1 + NUM_SYS_ERRNOS; i++) { + /* The "SYS" library sets errno values as the reason for its errors. + * Thus we load the first |NUM_SYS_ERRNOS| errno strings as the + * reason strings for that library. */ + + ERR_STRING_DATA *data = &kStaticErrors[j++]; + data->string = strerror(i); + data->error = ERR_PACK(ERR_LIB_SYS, 0, i); + ERRFN(set_item)(data); + } + + ERR_load_strings(kGlobalErrors); + + ERR_load_strings(ASN1_error_string_data); + ERR_load_strings(BIO_error_string_data); + ERR_load_strings(BN_error_string_data); + ERR_load_strings(BUF_error_string_data); + ERR_load_strings(CIPHER_error_string_data); + ERR_load_strings(CONF_error_string_data); + ERR_load_strings(CRYPTO_error_string_data); + ERR_load_strings(DH_error_string_data); + ERR_load_strings(DIGEST_error_string_data); + ERR_load_strings(DSA_error_string_data); + ERR_load_strings(ECDH_error_string_data); + ERR_load_strings(ECDSA_error_string_data); + ERR_load_strings(EC_error_string_data); + ERR_load_strings(ENGINE_error_string_data); + ERR_load_strings(EVP_error_string_data); + ERR_load_strings(HKDF_error_string_data); + ERR_load_strings(OBJ_error_string_data); + ERR_load_strings(PEM_error_string_data); + ERR_load_strings(PKCS8_error_string_data); + ERR_load_strings(RSA_error_string_data); + ERR_load_strings(X509V3_error_string_data); + ERR_load_strings(X509_error_string_data); +} + +void ERR_load_strings(const ERR_STRING_DATA *str) { + err_fns_check(); + + while (str->error) { + ERRFN(set_item)(str); + str++; + } +} + +void ERR_load_crypto_strings(void) { err_load_strings(); } + +void ERR_free_strings(void) { + err_fns_check(); + ERRFN(shutdown)(err_state_free); +} + +void ERR_load_BIO_strings(void) {} |