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/* Copyright (c) 2014, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <stdio.h>
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/mem.h>
static bool TestOverflow() {
for (unsigned i = 0; i < ERR_NUM_ERRORS*2; i++) {
ERR_put_error(1, i+1, "function", "test", 1);
}
for (unsigned i = 0; i < ERR_NUM_ERRORS - 1; i++) {
uint32_t err = ERR_get_error();
/* Errors are returned in order they were pushed, with the least recent ones
* removed, up to |ERR_NUM_ERRORS - 1| errors. So the errors returned are
* |ERR_NUM_ERRORS + 2| through |ERR_NUM_ERRORS * 2|, inclusive. */
if (err == 0 || ERR_GET_REASON(err) != i + ERR_NUM_ERRORS + 2) {
fprintf(stderr, "ERR_get_error failed at %u\n", i);
return false;
}
}
if (ERR_get_error() != 0) {
fprintf(stderr, "ERR_get_error more than the expected number of values.\n");
return false;
}
return true;
}
static bool TestPutError() {
if (ERR_get_error() != 0) {
fprintf(stderr, "ERR_get_error returned value before an error was added.\n");
return false;
}
ERR_put_error(1, 2, "function", "test", 4);
ERR_add_error_data(1, "testing");
int peeked_line, line, peeked_flags, flags;
const char *peeked_file, *file, *peeked_data, *data;
uint32_t peeked_packed_error =
ERR_peek_error_line_data(&peeked_file, &peeked_line, &peeked_data,
&peeked_flags);
const char *function = ERR_peek_function();
uint32_t packed_error = ERR_get_error_line_data(&file, &line, &data, &flags);
if (peeked_packed_error != packed_error ||
peeked_file != file ||
peeked_data != data ||
peeked_flags != flags) {
fprintf(stderr, "Bad peeked error data returned.\n");
return false;
}
if (strcmp(function, "function") != 0 ||
strcmp(file, "test") != 0 ||
line != 4 ||
(flags & ERR_FLAG_STRING) == 0 ||
ERR_GET_LIB(packed_error) != 1 ||
ERR_GET_REASON(packed_error) != 2 ||
strcmp(data, "testing") != 0) {
fprintf(stderr, "Bad error data returned.\n");
return false;
}
return true;
}
static bool TestClearError() {
if (ERR_get_error() != 0) {
fprintf(stderr, "ERR_get_error returned value before an error was added.\n");
return false;
}
ERR_put_error(1, 2, "function", "test", 4);
ERR_clear_error();
if (ERR_get_error() != 0) {
fprintf(stderr, "Error remained after clearing.\n");
return false;
}
return true;
}
static bool TestPrint() {
ERR_put_error(1, 2, "function", "test", 4);
ERR_add_error_data(1, "testing");
uint32_t packed_error = ERR_get_error();
char buf[256];
for (size_t i = 0; i <= sizeof(buf); i++) {
ERR_error_string_n(packed_error, buf, i);
}
return true;
}
static bool TestRelease() {
ERR_put_error(1, 2, "function", "test", 4);
ERR_remove_thread_state(NULL);
return true;
}
static bool HasSuffix(const char *str, const char *suffix) {
size_t suffix_len = strlen(suffix);
size_t str_len = strlen(str);
if (str_len < suffix_len) {
return false;
}
return strcmp(str + str_len - suffix_len, suffix) == 0;
}
static bool TestPutMacro() {
int expected_line = __LINE__ + 1;
OPENSSL_PUT_ERROR(USER, ERR_R_INTERNAL_ERROR);
int line;
const char *file;
const char *function = ERR_peek_function();
uint32_t error = ERR_get_error_line(&file, &line);
if (strcmp(function, "TestPutMacro") != 0 ||
!HasSuffix(file, "err_test.cc") ||
line != expected_line ||
ERR_GET_LIB(error) != ERR_LIB_USER ||
ERR_GET_REASON(error) != ERR_R_INTERNAL_ERROR) {
fprintf(stderr, "Bad error data returned.\n");
return false;
}
return true;
}
int main() {
CRYPTO_library_init();
if (!TestOverflow() ||
!TestPutError() ||
!TestClearError() ||
!TestPrint() ||
!TestRelease() ||
!TestPutMacro()) {
return 1;
}
printf("PASS\n");
return 0;
}
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