[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 | #include <openssl/lhash.h>
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| 13 | #include <openssl/crypto.h>
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| 14 | #include <openssl/buffer.h>
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| 15 | #include <openssl/err.h>
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| 16 |
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| 17 | void ERR_print_errors_cb(int (*cb) (const char *str, size_t len, void *u),
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| 18 | void *u)
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| 19 | {
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| 20 | unsigned long l;
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| 21 | char buf[256];
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| 22 | char buf2[4096];
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| 23 | const char *file, *data;
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| 24 | int line, flags;
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| 25 | /*
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| 26 | * We don't know what kind of thing CRYPTO_THREAD_ID is. Here is our best
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| 27 | * attempt to convert it into something we can print.
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| 28 | */
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| 29 | union {
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| 30 | CRYPTO_THREAD_ID tid;
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| 31 | unsigned long ltid;
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| 32 | } tid;
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| 33 |
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| 34 | tid.ltid = 0;
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| 35 | tid.tid = CRYPTO_THREAD_get_current_id();
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| 36 |
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| 37 | while ((l = ERR_get_error_line_data(&file, &line, &data, &flags)) != 0) {
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| 38 | ERR_error_string_n(l, buf, sizeof buf);
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| 39 | BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", tid.ltid, buf,
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| 40 | file, line, (flags & ERR_TXT_STRING) ? data : "");
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| 41 | if (cb(buf2, strlen(buf2), u) <= 0)
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| 42 | break; /* abort outputting the error report */
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| 43 | }
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| 44 | }
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| 45 |
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| 46 | static int print_bio(const char *str, size_t len, void *bp)
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| 47 | {
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| 48 | return BIO_write((BIO *)bp, str, len);
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| 49 | }
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| 50 |
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| 51 | void ERR_print_errors(BIO *bp)
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| 52 | {
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| 53 | ERR_print_errors_cb(print_bio, bp);
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| 54 | }
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| 55 |
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| 56 | #ifndef OPENSSL_NO_STDIO
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| 57 | void ERR_print_errors_fp(FILE *fp)
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| 58 | {
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| 59 | BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);
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| 60 | if (bio == NULL)
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| 61 | return;
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| 62 |
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| 63 | ERR_print_errors_cb(print_bio, bio);
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| 64 | BIO_free(bio);
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| 65 | }
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| 66 | #endif
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