2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
115 #include <openssl/lhash.h>
116 #include <openssl/crypto.h>
117 #include "cryptlib.h"
118 #include <openssl/buffer.h>
119 #include <openssl/bio.h>
120 #include <openssl/err.h>
123 static LHASH
*error_hash
=NULL
;
124 static LHASH
*thread_hash
=NULL
;
126 /* static unsigned long err_hash(ERR_STRING_DATA *a); */
127 static unsigned long err_hash(const void *a_void
);
128 /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */
129 static int err_cmp(const void *a_void
, const void *b_void
);
130 /* static unsigned long pid_hash(ERR_STATE *pid); */
131 static unsigned long pid_hash(const void *pid_void
);
132 /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */
133 static int pid_cmp(const void *a_void
,const void *pid_void
);
134 static unsigned long get_error_values(int inc
,const char **file
,int *line
,
135 const char **data
,int *flags
);
137 static void ERR_STATE_free(ERR_STATE
*s
);
138 #ifndef OPENSSL_NO_ERR
139 static ERR_STRING_DATA ERR_str_libraries
[]=
141 {ERR_PACK(ERR_LIB_NONE
,0,0) ,"unknown library"},
142 {ERR_PACK(ERR_LIB_SYS
,0,0) ,"system library"},
143 {ERR_PACK(ERR_LIB_BN
,0,0) ,"bignum routines"},
144 {ERR_PACK(ERR_LIB_RSA
,0,0) ,"rsa routines"},
145 {ERR_PACK(ERR_LIB_DSA
,0,0) ,"dsa routines"},
146 {ERR_PACK(ERR_LIB_DH
,0,0) ,"Diffie-Hellman routines"},
147 {ERR_PACK(ERR_LIB_EVP
,0,0) ,"digital envelope routines"},
148 {ERR_PACK(ERR_LIB_BUF
,0,0) ,"memory buffer routines"},
149 {ERR_PACK(ERR_LIB_BIO
,0,0) ,"BIO routines"},
150 {ERR_PACK(ERR_LIB_OBJ
,0,0) ,"object identifier routines"},
151 {ERR_PACK(ERR_LIB_PEM
,0,0) ,"PEM routines"},
152 {ERR_PACK(ERR_LIB_ASN1
,0,0) ,"asn1 encoding routines"},
153 {ERR_PACK(ERR_LIB_X509
,0,0) ,"x509 certificate routines"},
154 {ERR_PACK(ERR_LIB_CONF
,0,0) ,"configuration file routines"},
155 {ERR_PACK(ERR_LIB_METH
,0,0) ,"X509 lookup 'method' routines"},
156 {ERR_PACK(ERR_LIB_SSL
,0,0) ,"SSL routines"},
157 {ERR_PACK(ERR_LIB_RSAREF
,0,0) ,"RSAref routines"},
158 {ERR_PACK(ERR_LIB_PROXY
,0,0) ,"Proxy routines"},
159 {ERR_PACK(ERR_LIB_BIO
,0,0) ,"BIO routines"},
160 {ERR_PACK(ERR_LIB_PKCS7
,0,0) ,"PKCS7 routines"},
161 {ERR_PACK(ERR_LIB_X509V3
,0,0) ,"X509 V3 routines"},
162 {ERR_PACK(ERR_LIB_PKCS12
,0,0) ,"PKCS12 routines"},
163 {ERR_PACK(ERR_LIB_RAND
,0,0) ,"random number generator"},
164 {ERR_PACK(ERR_LIB_DSO
,0,0) ,"DSO support routines"},
165 {ERR_PACK(ERR_LIB_ENGINE
,0,0) ,"engine routines"},
166 {ERR_PACK(ERR_LIB_OCSP
,0,0) ,"OCSP routines"},
170 static ERR_STRING_DATA ERR_str_functs
[]=
172 {ERR_PACK(0,SYS_F_FOPEN
,0), "fopen"},
173 {ERR_PACK(0,SYS_F_CONNECT
,0), "connect"},
174 {ERR_PACK(0,SYS_F_GETSERVBYNAME
,0), "getservbyname"},
175 {ERR_PACK(0,SYS_F_SOCKET
,0), "socket"},
176 {ERR_PACK(0,SYS_F_IOCTLSOCKET
,0), "ioctlsocket"},
177 {ERR_PACK(0,SYS_F_BIND
,0), "bind"},
178 {ERR_PACK(0,SYS_F_LISTEN
,0), "listen"},
179 {ERR_PACK(0,SYS_F_ACCEPT
,0), "accept"},
181 {ERR_PACK(0,SYS_F_WSASTARTUP
,0), "WSAstartup"},
183 {ERR_PACK(0,SYS_F_OPENDIR
,0), "opendir"},
187 static ERR_STRING_DATA ERR_str_reasons
[]=
189 {ERR_R_FATAL
,"fatal"},
190 {ERR_R_SYS_LIB
,"system lib"},
191 {ERR_R_BN_LIB
,"BN lib"},
192 {ERR_R_RSA_LIB
,"RSA lib"},
193 {ERR_R_DH_LIB
,"DH lib"},
194 {ERR_R_EVP_LIB
,"EVP lib"},
195 {ERR_R_BUF_LIB
,"BUF lib"},
196 {ERR_R_BIO_LIB
,"BIO lib"},
197 {ERR_R_OBJ_LIB
,"OBJ lib"},
198 {ERR_R_PEM_LIB
,"PEM lib"},
199 {ERR_R_X509_LIB
,"X509 lib"},
200 {ERR_R_METH_LIB
,"METH lib"},
201 {ERR_R_ASN1_LIB
,"ASN1 lib"},
202 {ERR_R_CONF_LIB
,"CONF lib"},
203 {ERR_R_SSL_LIB
,"SSL lib"},
204 {ERR_R_PROXY_LIB
,"PROXY lib"},
205 {ERR_R_BIO_LIB
,"BIO lib"},
206 {ERR_R_PKCS7_LIB
,"PKCS7 lib"},
207 {ERR_R_PKCS12_LIB
,"PKCS12 lib"},
208 {ERR_R_MALLOC_FAILURE
,"Malloc failure"},
209 {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
,"called a function you should not call"},
210 {ERR_R_PASSED_NULL_PARAMETER
,"passed a null parameter"},
211 {ERR_R_NESTED_ASN1_ERROR
,"nested asn1 error"},
212 {ERR_R_BAD_ASN1_OBJECT_HEADER
,"bad asn1 object header"},
213 {ERR_R_BAD_GET_ASN1_OBJECT_CALL
,"bad get asn1 object call"},
214 {ERR_R_EXPECTING_AN_ASN1_SEQUENCE
,"expecting an asn1 sequence"},
215 {ERR_R_ASN1_LENGTH_MISMATCH
,"asn1 length mismatch"},
216 {ERR_R_MISSING_ASN1_EOS
,"missing asn1 eos"},
217 {ERR_R_DSO_LIB
,"DSO lib"},
218 {ERR_R_ENGINE_LIB
,"ENGINE lib"},
224 #define NUM_SYS_STR_REASONS 127
225 #define LEN_SYS_STR_REASON 32
227 static ERR_STRING_DATA SYS_str_reasons
[NUM_SYS_STR_REASONS
+ 1];
228 /* SYS_str_reasons is filled with copies of strerror() results at
230 * 'errno' values up to 127 should cover all usual errors,
231 * others will be displayed numerically by ERR_error_string.
232 * It is crucial that we have something for each reason code
233 * that occurs in ERR_str_reasons, or bogus reason strings
234 * will be returned for SYSerr(), which always gets an errno
235 * value and never one of those 'standard' reason codes. */
237 static void build_SYS_str_reasons()
239 /* OPENSSL_malloc cannot be used here, use static storage instead */
240 static char strerror_tab
[NUM_SYS_STR_REASONS
][LEN_SYS_STR_REASON
];
243 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH
);
245 for (i
= 1; i
<= NUM_SYS_STR_REASONS
; i
++)
247 ERR_STRING_DATA
*str
= &SYS_str_reasons
[i
- 1];
249 str
->error
= (unsigned long)i
;
250 if (str
->string
== NULL
)
252 char (*dest
)[LEN_SYS_STR_REASON
] = &(strerror_tab
[i
- 1]);
253 char *src
= strerror(i
);
256 strncpy(*dest
, src
, sizeof *dest
);
257 (*dest
)[sizeof *dest
- 1] = '\0';
261 if (str
->string
== NULL
)
262 str
->string
= "unknown";
265 /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL},
266 * as required by ERR_load_strings. */
268 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
272 #define err_clear_data(p,i) \
273 if (((p)->err_data[i] != NULL) && \
274 (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
276 OPENSSL_free((p)->err_data[i]); \
277 (p)->err_data[i]=NULL; \
279 (p)->err_data_flags[i]=0;
281 static void ERR_STATE_free(ERR_STATE
*s
)
288 for (i
=0; i
<ERR_NUM_ERRORS
; i
++)
295 void ERR_load_ERR_strings(void)
301 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
304 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
307 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
309 #ifndef OPENSSL_NO_ERR
310 ERR_load_strings(0,ERR_str_libraries
);
311 ERR_load_strings(0,ERR_str_reasons
);
312 ERR_load_strings(ERR_LIB_SYS
,ERR_str_functs
);
313 build_SYS_str_reasons();
314 ERR_load_strings(ERR_LIB_SYS
,SYS_str_reasons
);
320 void ERR_load_strings(int lib
, ERR_STRING_DATA
*str
)
322 if (error_hash
== NULL
)
324 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH
);
325 error_hash
=lh_new(err_hash
, err_cmp
);
326 if (error_hash
== NULL
)
328 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
331 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
333 ERR_load_ERR_strings();
336 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH
);
339 str
->error
|=ERR_PACK(lib
,0,0);
340 lh_insert(error_hash
,str
);
343 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
346 void ERR_free_strings(void)
348 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
350 if (error_hash
!= NULL
)
356 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
359 /********************************************************/
361 void ERR_put_error(int lib
, int func
, int reason
, const char *file
,
367 /* In the BS2000-OSD POSIX subsystem, the compiler generates
368 * path names in the form "*POSIX(/etc/passwd)".
369 * This dirty hack strips them to something sensible.
370 * @@@ We shouldn't modify a const string, though.
372 if (strncmp(file
,"*POSIX(", sizeof("*POSIX(")-1) == 0) {
375 /* Skip the "*POSIX(" prefix */
376 file
+= sizeof("*POSIX(")-1;
377 end
= &file
[strlen(file
)-1];
380 /* Optional: use the basename of the path only. */
381 if ((end
= strrchr(file
, '/')) != NULL
)
387 es
->top
=(es
->top
+1)%ERR_NUM_ERRORS
;
388 if (es
->top
== es
->bottom
)
389 es
->bottom
=(es
->bottom
+1)%ERR_NUM_ERRORS
;
390 es
->err_buffer
[es
->top
]=ERR_PACK(lib
,func
,reason
);
391 es
->err_file
[es
->top
]=file
;
392 es
->err_line
[es
->top
]=line
;
393 err_clear_data(es
,es
->top
);
396 void ERR_clear_error(void)
403 /* hmm... is this needed */
404 for (i
=0; i
<ERR_NUM_ERRORS
; i
++)
407 es
->err_file
[i
]=NULL
;
409 err_clear_data(es
,i
);
412 es
->top
=es
->bottom
=0;
416 unsigned long ERR_get_error(void)
417 { return(get_error_values(1,NULL
,NULL
,NULL
,NULL
)); }
419 unsigned long ERR_get_error_line(const char **file
,
421 { return(get_error_values(1,file
,line
,NULL
,NULL
)); }
423 unsigned long ERR_get_error_line_data(const char **file
, int *line
,
424 const char **data
, int *flags
)
425 { return(get_error_values(1,file
,line
,
428 unsigned long ERR_peek_error(void)
429 { return(get_error_values(0,NULL
,NULL
,NULL
,NULL
)); }
431 unsigned long ERR_peek_error_line(const char **file
,
433 { return(get_error_values(0,file
,line
,NULL
,NULL
)); }
435 unsigned long ERR_peek_error_line_data(const char **file
, int *line
,
436 const char **data
, int *flags
)
437 { return(get_error_values(0,file
,line
,
440 static unsigned long get_error_values(int inc
, const char **file
, int *line
,
441 const char **data
, int *flags
)
449 if (es
->bottom
== es
->top
) return(0);
450 i
=(es
->bottom
+1)%ERR_NUM_ERRORS
;
452 ret
=es
->err_buffer
[i
];
459 if ((file
!= NULL
) && (line
!= NULL
))
461 if (es
->err_file
[i
] == NULL
)
464 if (line
!= NULL
) *line
=0;
468 *file
=es
->err_file
[i
];
469 if (line
!= NULL
) *line
=es
->err_line
[i
];
475 if (es
->err_data
[i
] == NULL
)
478 if (flags
!= NULL
) *flags
=0;
482 *data
=es
->err_data
[i
];
483 if (flags
!= NULL
) *flags
=es
->err_data_flags
[i
];
489 void ERR_error_string_n(unsigned long e
, char *buf
, size_t len
)
491 char lsbuf
[64], fsbuf
[64], rsbuf
[64];
492 const char *ls
,*fs
,*rs
;
499 ls
=ERR_lib_error_string(e
);
500 fs
=ERR_func_error_string(e
);
501 rs
=ERR_reason_error_string(e
);
504 BIO_snprintf(lsbuf
, sizeof(lsbuf
), "lib(%lu)", l
);
506 BIO_snprintf(fsbuf
, sizeof(fsbuf
), "func(%lu)", f
);
508 BIO_snprintf(rsbuf
, sizeof(rsbuf
), "reason(%lu)", r
);
510 BIO_snprintf(buf
, len
,"error:%08lX:%s:%s:%s", e
, ls
?ls
:lsbuf
,
511 fs
?fs
:fsbuf
, rs
?rs
:rsbuf
);
512 if (strlen(buf
) == len
-1)
514 /* output may be truncated; make sure we always have 5
515 * colon-separated fields, i.e. 4 colons ... */
517 if (len
> NUM_COLONS
) /* ... if possible */
522 for (i
= 0; i
< NUM_COLONS
; i
++)
524 char *colon
= strchr(s
, ':');
525 if (colon
== NULL
|| colon
> &buf
[len
-1] - NUM_COLONS
+ i
)
527 /* set colon no. i at last possible position
528 * (buf[len-1] is the terminating 0)*/
529 colon
= &buf
[len
-1] - NUM_COLONS
+ i
;
538 /* BAD for multi-threading: uses a local buffer if ret == NULL */
539 /* ERR_error_string_n should be used instead for ret != NULL
540 * as ERR_error_string cannot know how large the buffer is */
541 char *ERR_error_string(unsigned long e
, char *ret
)
543 static char buf
[256];
545 if (ret
== NULL
) ret
=buf
;
546 ERR_error_string_n(e
, ret
, 256);
551 LHASH
*ERR_get_string_table(void)
556 /* not thread-safe */
557 LHASH
*ERR_get_err_state_table(void)
562 const char *ERR_lib_error_string(unsigned long e
)
564 ERR_STRING_DATA d
,*p
=NULL
;
569 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH
);
571 if (error_hash
!= NULL
)
573 d
.error
=ERR_PACK(l
,0,0);
574 p
=(ERR_STRING_DATA
*)lh_retrieve(error_hash
,&d
);
577 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
579 return((p
== NULL
)?NULL
:p
->string
);
582 const char *ERR_func_error_string(unsigned long e
)
584 ERR_STRING_DATA d
,*p
=NULL
;
590 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH
);
592 if (error_hash
!= NULL
)
594 d
.error
=ERR_PACK(l
,f
,0);
595 p
=(ERR_STRING_DATA
*)lh_retrieve(error_hash
,&d
);
598 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
600 return((p
== NULL
)?NULL
:p
->string
);
603 const char *ERR_reason_error_string(unsigned long e
)
605 ERR_STRING_DATA d
,*p
=NULL
;
611 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH
);
613 if (error_hash
!= NULL
)
615 d
.error
=ERR_PACK(l
,0,r
);
616 p
=(ERR_STRING_DATA
*)lh_retrieve(error_hash
,&d
);
619 d
.error
=ERR_PACK(0,0,r
);
620 p
=(ERR_STRING_DATA
*)lh_retrieve(error_hash
,&d
);
624 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH
);
626 return((p
== NULL
)?NULL
:p
->string
);
629 /* static unsigned long err_hash(ERR_STRING_DATA *a) */
630 static unsigned long err_hash(const void *a_void
)
634 l
=((ERR_STRING_DATA
*)a_void
)->error
;
635 ret
=l
^ERR_GET_LIB(l
)^ERR_GET_FUNC(l
);
636 return(ret
^ret
%19*13);
639 /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */
640 static int err_cmp(const void *a_void
, const void *b_void
)
642 return((int)(((ERR_STRING_DATA
*)a_void
)->error
-
643 ((ERR_STRING_DATA
*)b_void
)->error
));
646 /* static unsigned long pid_hash(ERR_STATE *a) */
647 static unsigned long pid_hash(const void *a_void
)
649 return(((ERR_STATE
*)a_void
)->pid
*13);
652 /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */
653 static int pid_cmp(const void *a_void
, const void *b_void
)
655 return((int)((long)((ERR_STATE
*)a_void
)->pid
-
656 (long)((ERR_STATE
*)b_void
)->pid
));
659 void ERR_remove_state(unsigned long pid
)
661 ERR_STATE
*p
= NULL
,tmp
;
663 if (thread_hash
== NULL
)
666 pid
=(unsigned long)CRYPTO_thread_id();
668 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
671 p
=(ERR_STATE
*)lh_delete(thread_hash
,&tmp
);
672 if (lh_num_items(thread_hash
) == 0)
674 /* make sure we don't leak memory */
675 lh_free(thread_hash
);
679 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
681 if (p
!= NULL
) ERR_STATE_free(p
);
684 ERR_STATE
*ERR_get_state(void)
686 static ERR_STATE fallback
;
687 ERR_STATE
*ret
=NULL
,tmp
,*tmpp
=NULL
;
688 int thread_state_exists
;
692 pid
=(unsigned long)CRYPTO_thread_id();
694 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
695 if (thread_hash
!= NULL
)
698 ret
=(ERR_STATE
*)lh_retrieve(thread_hash
,&tmp
);
700 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
702 /* ret == the error state, if NULL, make a new one */
705 ret
=(ERR_STATE
*)OPENSSL_malloc(sizeof(ERR_STATE
));
706 if (ret
== NULL
) return(&fallback
);
710 for (i
=0; i
<ERR_NUM_ERRORS
; i
++)
712 ret
->err_data
[i
]=NULL
;
713 ret
->err_data_flags
[i
]=0;
716 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
718 /* no entry yet in thread_hash for current thread -
719 * thus, it may have changed since we last looked at it */
720 if (thread_hash
== NULL
)
721 thread_hash
= lh_new(pid_hash
, pid_cmp
);
722 if (thread_hash
== NULL
)
723 thread_state_exists
= 0; /* allocation error */
726 tmpp
=(ERR_STATE
*)lh_insert(thread_hash
,ret
);
727 thread_state_exists
= 1;
730 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
732 if (!thread_state_exists
)
734 ERR_STATE_free(ret
); /* could not insert it */
738 if (tmpp
!= NULL
) /* old entry - should not happen */
740 ERR_STATE_free(tmpp
);
746 int ERR_get_next_error_library(void)
748 static int value
=ERR_LIB_USER
;
753 void ERR_set_error_data(char *data
, int flags
)
764 es
->err_data
[i
]=data
;
765 es
->err_data_flags
[es
->top
]=flags
;
768 void ERR_add_error_data(int num
, ...)
775 str
=OPENSSL_malloc(s
+1);
776 if (str
== NULL
) return;
781 for (i
=0; i
<num
; i
++)
783 a
=va_arg(args
, char*);
784 /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
791 p
=OPENSSL_realloc(str
,s
+1);
803 ERR_set_error_data(str
,ERR_TXT_MALLOCED
|ERR_TXT_STRING
);