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/*
* Copyright 2017-2025 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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 "../testutil.h"
static void strip_line_ends(char *str)
{
size_t i;
for (i = strlen(str);
i > 0 && (str[i - 1] == '\n' || str[i - 1] == '\r');
i--);
str[i] = '\0';
}
int compare_with_reference_file(BIO *membio, const char *reffile)
{
BIO *file = NULL, *newfile = NULL;
char buf1[8192], buf2[8192];
int ret = 0;
size_t i;
if (!TEST_ptr(reffile))
goto err;
file = BIO_new_file(reffile, "rb");
if (!TEST_ptr(file))
goto err;
newfile = BIO_new_file("ssltraceref-new.txt", "wb");
if (!TEST_ptr(newfile))
goto err;
while (BIO_gets(membio, buf2, sizeof(buf2)) > 0)
if (BIO_puts(newfile, buf2) <= 0) {
TEST_error("Failed writing new file data");
goto err;
}
if (!TEST_int_ge(BIO_seek(membio, 0), 0))
goto err;
while (BIO_gets(file, buf1, sizeof(buf1)) > 0) {
size_t line_len;
if (BIO_gets(membio, buf2, sizeof(buf2)) <= 0) {
TEST_error("Failed reading mem data");
goto err;
}
strip_line_ends(buf1);
strip_line_ends(buf2);
line_len = strlen(buf1);
if (line_len > 0 && buf1[line_len - 1] == '?') {
/* Wildcard at the EOL means ignore anything after it */
if (strlen(buf2) > line_len)
buf2[line_len] = '\0';
}
if (line_len != strlen(buf2)) {
TEST_error("Actual and ref line data length mismatch");
TEST_info("%s", buf1);
TEST_info("%s", buf2);
goto err;
}
for (i = 0; i < line_len; i++) {
/* '?' is a wild card character in the reference text */
if (buf1[i] == '?')
buf2[i] = '?';
}
if (!TEST_str_eq(buf1, buf2))
goto err;
}
if (!TEST_true(BIO_eof(file))
|| !TEST_true(BIO_eof(membio)))
goto err;
ret = 1;
err:
BIO_free(file);
BIO_free(newfile);
return ret;
}
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