4ad239b8a2
[skip ci] Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7793)
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/crypto.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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void ERR_print_errors_cb(int (*cb) (const char *str, size_t len, void *u),
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void *u)
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{
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unsigned long l;
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char buf[256];
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char buf2[4096];
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const char *file, *data;
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int line, flags;
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/*
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* We don't know what kind of thing CRYPTO_THREAD_ID is. Here is our best
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* attempt to convert it into something we can print.
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*/
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union {
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CRYPTO_THREAD_ID tid;
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unsigned long ltid;
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} tid;
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tid.ltid = 0;
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tid.tid = CRYPTO_THREAD_get_current_id();
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while ((l = ERR_get_error_line_data(&file, &line, &data, &flags)) != 0) {
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ERR_error_string_n(l, buf, sizeof(buf));
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BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", tid.ltid, buf,
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file, line, (flags & ERR_TXT_STRING) ? data : "");
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if (cb(buf2, strlen(buf2), u) <= 0)
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break; /* abort outputting the error report */
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}
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}
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static int print_bio(const char *str, size_t len, void *bp)
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{
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return BIO_write((BIO *)bp, str, len);
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}
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void ERR_print_errors(BIO *bp)
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{
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ERR_print_errors_cb(print_bio, bp);
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}
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#ifndef OPENSSL_NO_STDIO
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void ERR_print_errors_fp(FILE *fp)
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{
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BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);
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if (bio == NULL)
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return;
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ERR_print_errors_cb(print_bio, bio);
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BIO_free(bio);
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}
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#endif
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