1 /* crypto/err/err_prn.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/lhash.h>
62 #include <openssl/crypto.h>
63 #include <openssl/buffer.h>
64 #include <openssl/err.h>
65
66 void ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u),
67 void *u)
68 {
69 unsigned long l;
70 char buf[256];
71 char buf2[4096];
72 const char *file,*data;
73 int line,flags;
74 unsigned long es;
75 CRYPTO_THREADID cur;
76
77 CRYPTO_THREADID_current(&cur);
78 es=CRYPTO_THREADID_hash(&cur);
79 while ((l=ERR_get_error_line_data(&file,&line,&data,&flags)) != 0)
80 {
81 ERR_error_string_n(l, buf, sizeof buf);
82 BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", es, buf,
83 file, line, (flags & ERR_TXT_STRING) ? data : "");
84 if (cb(buf2, strlen(buf2), u) <= 0)
85 break; /* abort outputting the error report */
86 }
87 }
88
89 #ifndef OPENSSL_NO_FP_API
90 static int print_fp(const char *str, size_t len, void *fp)
91 {
92 BIO bio;
93
94 BIO_set(&bio,BIO_s_file());
95 BIO_set_fp(&bio,fp,BIO_NOCLOSE);
96
97 return BIO_printf(&bio, "%s", str);
98 }
99 void ERR_print_errors_fp(FILE *fp)
100 {
101 ERR_print_errors_cb(print_fp, fp);
102 }
103 #endif
104
105 static int print_bio(const char *str, size_t len, void *bp)
106 {
107 return BIO_write((BIO *)bp, str, len);
108 }
109 void ERR_print_errors(BIO *bp)
110 {
111 ERR_print_errors_cb(print_bio, bp);
112 }