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) 1998-2001 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 "cryptlib.h"
116 #include <openssl/lhash.h>
117 #include <openssl/crypto.h>
118 #include <openssl/buffer.h>
119 #include <openssl/bio.h>
120 #include <openssl/err.h>
122 static void err_load_strings(int lib
, ERR_STRING_DATA
*str
);
124 static void ERR_STATE_free(ERR_STATE
*s
);
125 #ifndef OPENSSL_NO_ERR
126 static ERR_STRING_DATA ERR_str_libraries
[]=
128 {ERR_PACK(ERR_LIB_NONE
,0,0) ,"unknown library"},
129 {ERR_PACK(ERR_LIB_SYS
,0,0) ,"system library"},
130 {ERR_PACK(ERR_LIB_BN
,0,0) ,"bignum routines"},
131 {ERR_PACK(ERR_LIB_RSA
,0,0) ,"rsa routines"},
132 {ERR_PACK(ERR_LIB_DH
,0,0) ,"Diffie-Hellman routines"},
133 {ERR_PACK(ERR_LIB_EVP
,0,0) ,"digital envelope routines"},
134 {ERR_PACK(ERR_LIB_BUF
,0,0) ,"memory buffer routines"},
135 {ERR_PACK(ERR_LIB_OBJ
,0,0) ,"object identifier routines"},
136 {ERR_PACK(ERR_LIB_PEM
,0,0) ,"PEM routines"},
137 {ERR_PACK(ERR_LIB_DSA
,0,0) ,"dsa routines"},
138 {ERR_PACK(ERR_LIB_X509
,0,0) ,"x509 certificate routines"},
139 {ERR_PACK(ERR_LIB_ASN1
,0,0) ,"asn1 encoding routines"},
140 {ERR_PACK(ERR_LIB_CONF
,0,0) ,"configuration file routines"},
141 {ERR_PACK(ERR_LIB_CRYPTO
,0,0) ,"common libcrypto routines"},
142 {ERR_PACK(ERR_LIB_EC
,0,0) ,"elliptic curve routines"},
143 {ERR_PACK(ERR_LIB_SSL
,0,0) ,"SSL routines"},
144 {ERR_PACK(ERR_LIB_BIO
,0,0) ,"BIO routines"},
145 {ERR_PACK(ERR_LIB_PKCS7
,0,0) ,"PKCS7 routines"},
146 {ERR_PACK(ERR_LIB_X509V3
,0,0) ,"X509 V3 routines"},
147 {ERR_PACK(ERR_LIB_PKCS12
,0,0) ,"PKCS12 routines"},
148 {ERR_PACK(ERR_LIB_RAND
,0,0) ,"random number generator"},
149 {ERR_PACK(ERR_LIB_DSO
,0,0) ,"DSO support routines"},
150 {ERR_PACK(ERR_LIB_ENGINE
,0,0) ,"engine routines"},
151 {ERR_PACK(ERR_LIB_OCSP
,0,0) ,"OCSP routines"},
155 static ERR_STRING_DATA ERR_str_functs
[]=
157 {ERR_PACK(0,SYS_F_FOPEN
,0), "fopen"},
158 {ERR_PACK(0,SYS_F_CONNECT
,0), "connect"},
159 {ERR_PACK(0,SYS_F_GETSERVBYNAME
,0), "getservbyname"},
160 {ERR_PACK(0,SYS_F_SOCKET
,0), "socket"},
161 {ERR_PACK(0,SYS_F_IOCTLSOCKET
,0), "ioctlsocket"},
162 {ERR_PACK(0,SYS_F_BIND
,0), "bind"},
163 {ERR_PACK(0,SYS_F_LISTEN
,0), "listen"},
164 {ERR_PACK(0,SYS_F_ACCEPT
,0), "accept"},
165 #ifdef OPENSSL_SYS_WINDOWS
166 {ERR_PACK(0,SYS_F_WSASTARTUP
,0), "WSAstartup"},
168 {ERR_PACK(0,SYS_F_OPENDIR
,0), "opendir"},
169 {ERR_PACK(0,SYS_F_FREAD
,0), "fread"},
173 static ERR_STRING_DATA ERR_str_reasons
[]=
175 {ERR_R_SYS_LIB
,"system lib"},
176 {ERR_R_BN_LIB
,"BN lib"},
177 {ERR_R_RSA_LIB
,"RSA lib"},
178 {ERR_R_DH_LIB
,"DH lib"},
179 {ERR_R_EVP_LIB
,"EVP lib"},
180 {ERR_R_BUF_LIB
,"BUF lib"},
181 {ERR_R_OBJ_LIB
,"OBJ lib"},
182 {ERR_R_PEM_LIB
,"PEM lib"},
183 {ERR_R_DSA_LIB
,"DSA lib"},
184 {ERR_R_X509_LIB
,"X509 lib"},
185 {ERR_R_ASN1_LIB
,"ASN1 lib"},
186 {ERR_R_CONF_LIB
,"CONF lib"},
187 {ERR_R_CRYPTO_LIB
,"CRYPTO lib"},
188 {ERR_R_EC_LIB
,"EC lib"},
189 {ERR_R_SSL_LIB
,"SSL lib"},
190 {ERR_R_BIO_LIB
,"BIO lib"},
191 {ERR_R_PKCS7_LIB
,"PKCS7 lib"},
192 {ERR_R_X509V3_LIB
,"X509V3 lib"},
193 {ERR_R_PKCS12_LIB
,"PKCS12 lib"},
194 {ERR_R_RAND_LIB
,"RAND lib"},
195 {ERR_R_DSO_LIB
,"DSO lib"},
196 {ERR_R_ENGINE_LIB
,"ENGINE lib"},
197 {ERR_R_OCSP_LIB
,"OCSP lib"},
199 {ERR_R_NESTED_ASN1_ERROR
,"nested asn1 error"},
200 {ERR_R_BAD_ASN1_OBJECT_HEADER
,"bad asn1 object header"},
201 {ERR_R_BAD_GET_ASN1_OBJECT_CALL
,"bad get asn1 object call"},
202 {ERR_R_EXPECTING_AN_ASN1_SEQUENCE
,"expecting an asn1 sequence"},
203 {ERR_R_ASN1_LENGTH_MISMATCH
,"asn1 length mismatch"},
204 {ERR_R_MISSING_ASN1_EOS
,"missing asn1 eos"},
206 {ERR_R_FATAL
,"fatal"},
207 {ERR_R_MALLOC_FAILURE
,"malloc failure"},
208 {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
,"called a function you should not call"},
209 {ERR_R_PASSED_NULL_PARAMETER
,"passed a null parameter"},
210 {ERR_R_INTERNAL_ERROR
,"internal error"},
211 {ERR_R_DISABLED
,"called a function that was disabled at compile-time"},
218 /* Define the predeclared (but externally opaque) "ERR_FNS" type */
221 /* Works on the "error_hash" string table */
222 LHASH
*(*cb_err_get
)(int create
);
223 void (*cb_err_del
)(void);
224 ERR_STRING_DATA
*(*cb_err_get_item
)(const ERR_STRING_DATA
*);
225 ERR_STRING_DATA
*(*cb_err_set_item
)(ERR_STRING_DATA
*);
226 ERR_STRING_DATA
*(*cb_err_del_item
)(ERR_STRING_DATA
*);
227 /* Works on the "thread_hash" error-state table */
228 LHASH
*(*cb_thread_get
)(int create
);
229 void (*cb_thread_release
)(LHASH
**hash
);
230 ERR_STATE
*(*cb_thread_get_item
)(const ERR_STATE
*);
231 ERR_STATE
*(*cb_thread_set_item
)(ERR_STATE
*);
232 void (*cb_thread_del_item
)(const ERR_STATE
*);
233 /* Returns the next available error "library" numbers */
234 int (*cb_get_next_lib
)(void);
237 /* Predeclarations of the "err_defaults" functions */
238 static LHASH
*int_err_get(int create
);
239 static void int_err_del(void);
240 static ERR_STRING_DATA
*int_err_get_item(const ERR_STRING_DATA
*);
241 static ERR_STRING_DATA
*int_err_set_item(ERR_STRING_DATA
*);
242 static ERR_STRING_DATA
*int_err_del_item(ERR_STRING_DATA
*);
243 static LHASH
*int_thread_get(int create
);
244 static void int_thread_release(LHASH
**hash
);
245 static ERR_STATE
*int_thread_get_item(const ERR_STATE
*);
246 static ERR_STATE
*int_thread_set_item(ERR_STATE
*);
247 static void int_thread_del_item(const ERR_STATE
*);
248 static int int_err_get_next_lib(void);
249 /* The static ERR_FNS table using these defaults functions */
250 static const ERR_FNS err_defaults
=
265 /* The replacable table of ERR_FNS functions we use at run-time */
266 static const ERR_FNS
*err_fns
= NULL
;
268 /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */
269 #define ERRFN(a) err_fns->cb_##a
271 /* The internal state used by "err_defaults" - as such, the setting, reading,
272 * creating, and deleting of this data should only be permitted via the
273 * "err_defaults" functions. This way, a linked module can completely defer all
274 * ERR state operation (together with requisite locking) to the implementations
275 * and state in the loading application. */
276 static LHASH
*int_error_hash
= NULL
;
277 static LHASH
*int_thread_hash
= NULL
;
278 static int int_thread_hash_references
= 0;
279 static int int_err_library_number
= ERR_LIB_USER
;
281 /* Internal function that checks whether "err_fns" is set and if not, sets it to
283 static void err_fns_check(void)
287 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
289 err_fns
= &err_defaults
;
290 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
293 /* API functions to get or set the underlying ERR functions. */
295 const ERR_FNS
*ERR_get_implementation(void)
301 int ERR_set_implementation(const ERR_FNS
*fns
)
305 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
306 /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting
307 * an error is there?! */
313 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
317 /* These are the callbacks provided to "lh_new()" when creating the LHASH tables
318 * internal to the "err_defaults" implementation. */
320 /* static unsigned long err_hash(ERR_STRING_DATA *a); */
321 static unsigned long err_hash(const void *a_void
);
322 /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */
323 static int err_cmp(const void *a_void
, const void *b_void
);
324 /* static unsigned long pid_hash(ERR_STATE *pid); */
325 static unsigned long pid_hash(const void *pid_void
);
326 /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */
327 static int pid_cmp(const void *a_void
,const void *pid_void
);
328 static unsigned long get_error_values(int inc
,int top
,const char **file
,int *line
,
329 const char **data
,int *flags
);
331 /* The internal functions used in the "err_defaults" implementation */
333 static LHASH
*int_err_get(int create
)
337 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
338 if (!int_error_hash
&& create
)
340 CRYPTO_push_info("int_err_get (err.c)");
341 int_error_hash
= lh_new(err_hash
, err_cmp
);
345 ret
= int_error_hash
;
346 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
351 static void int_err_del(void)
353 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
356 lh_free(int_error_hash
);
357 int_error_hash
= NULL
;
359 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
362 static ERR_STRING_DATA
*int_err_get_item(const ERR_STRING_DATA
*d
)
368 hash
= ERRFN(err_get
)(0);
372 CRYPTO_r_lock(CRYPTO_LOCK_ERR
);
373 p
= (ERR_STRING_DATA
*)lh_retrieve(hash
, d
);
374 CRYPTO_r_unlock(CRYPTO_LOCK_ERR
);
379 static ERR_STRING_DATA
*int_err_set_item(ERR_STRING_DATA
*d
)
385 hash
= ERRFN(err_get
)(1);
389 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
390 p
= (ERR_STRING_DATA
*)lh_insert(hash
, d
);
391 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
396 static ERR_STRING_DATA
*int_err_del_item(ERR_STRING_DATA
*d
)
402 hash
= ERRFN(err_get
)(0);
406 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
407 p
= (ERR_STRING_DATA
*)lh_delete(hash
, d
);
408 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
413 static LHASH
*int_thread_get(int create
)
417 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
418 if (!int_thread_hash
&& create
)
420 CRYPTO_push_info("int_thread_get (err.c)");
421 int_thread_hash
= lh_new(pid_hash
, pid_cmp
);
426 int_thread_hash_references
++;
427 ret
= int_thread_hash
;
429 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
433 static void int_thread_release(LHASH
**hash
)
437 if (hash
== NULL
|| *hash
== NULL
)
440 i
= CRYPTO_add(&int_thread_hash_references
, -1, CRYPTO_LOCK_ERR
);
443 fprintf(stderr
,"%4d:%s\n",int_thread_hash_references
,"ERR");
449 fprintf(stderr
,"int_thread_release, bad reference count\n");
456 static ERR_STATE
*int_thread_get_item(const ERR_STATE
*d
)
462 hash
= ERRFN(thread_get
)(0);
466 CRYPTO_r_lock(CRYPTO_LOCK_ERR
);
467 p
= (ERR_STATE
*)lh_retrieve(hash
, d
);
468 CRYPTO_r_unlock(CRYPTO_LOCK_ERR
);
470 ERRFN(thread_release
)(&hash
);
474 static ERR_STATE
*int_thread_set_item(ERR_STATE
*d
)
480 hash
= ERRFN(thread_get
)(1);
484 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
485 p
= (ERR_STATE
*)lh_insert(hash
, d
);
486 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
488 ERRFN(thread_release
)(&hash
);
492 static void int_thread_del_item(const ERR_STATE
*d
)
498 hash
= ERRFN(thread_get
)(0);
502 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
503 p
= (ERR_STATE
*)lh_delete(hash
, d
);
504 /* make sure we don't leak memory */
505 if (int_thread_hash_references
== 1
506 && int_thread_hash
&& (lh_num_items(int_thread_hash
) == 0))
508 lh_free(int_thread_hash
);
509 int_thread_hash
= NULL
;
511 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
513 ERRFN(thread_release
)(&hash
);
518 static int int_err_get_next_lib(void)
522 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
523 ret
= int_err_library_number
++;
524 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
530 #ifndef OPENSSL_NO_ERR
531 #define NUM_SYS_STR_REASONS 127
532 #define LEN_SYS_STR_REASON 32
534 static ERR_STRING_DATA SYS_str_reasons
[NUM_SYS_STR_REASONS
+ 1];
535 /* SYS_str_reasons is filled with copies of strerror() results at
537 * 'errno' values up to 127 should cover all usual errors,
538 * others will be displayed numerically by ERR_error_string.
539 * It is crucial that we have something for each reason code
540 * that occurs in ERR_str_reasons, or bogus reason strings
541 * will be returned for SYSerr(), which always gets an errno
542 * value and never one of those 'standard' reason codes. */
544 static void build_SYS_str_reasons(void)
546 /* OPENSSL_malloc cannot be used here, use static storage instead */
547 static char strerror_tab
[NUM_SYS_STR_REASONS
][LEN_SYS_STR_REASON
];
553 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
555 for (i
= 1; i
<= NUM_SYS_STR_REASONS
; i
++)
557 ERR_STRING_DATA
*str
= &SYS_str_reasons
[i
- 1];
559 str
->error
= (unsigned long)i
;
560 if (str
->string
== NULL
)
562 char (*dest
)[LEN_SYS_STR_REASON
] = &(strerror_tab
[i
- 1]);
563 char *src
= strerror(i
);
566 strncpy(*dest
, src
, sizeof *dest
);
567 (*dest
)[sizeof *dest
- 1] = '\0';
571 if (str
->string
== NULL
)
572 str
->string
= "unknown";
575 /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL},
576 * as required by ERR_load_strings. */
580 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
584 #define err_clear_data(p,i) \
586 if (((p)->err_data[i] != NULL) && \
587 (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
589 OPENSSL_free((p)->err_data[i]); \
590 (p)->err_data[i]=NULL; \
592 (p)->err_data_flags[i]=0; \
595 #define err_clear(p,i) \
597 (p)->err_flags[i]=0; \
598 (p)->err_buffer[i]=0; \
599 err_clear_data(p,i); \
600 (p)->err_file[i]=NULL; \
601 (p)->err_line[i]= -1; \
604 static void ERR_STATE_free(ERR_STATE
*s
)
611 for (i
=0; i
<ERR_NUM_ERRORS
; i
++)
618 void ERR_load_ERR_strings(void)
621 #ifndef OPENSSL_NO_ERR
622 err_load_strings(0,ERR_str_libraries
);
623 err_load_strings(0,ERR_str_reasons
);
624 err_load_strings(ERR_LIB_SYS
,ERR_str_functs
);
625 build_SYS_str_reasons();
626 err_load_strings(ERR_LIB_SYS
,SYS_str_reasons
);
630 static void err_load_strings(int lib
, ERR_STRING_DATA
*str
)
635 str
->error
|=ERR_PACK(lib
,0,0);
636 ERRFN(err_set_item
)(str
);
641 void ERR_load_strings(int lib
, ERR_STRING_DATA
*str
)
643 ERR_load_ERR_strings();
644 err_load_strings(lib
, str
);
647 void ERR_unload_strings(int lib
, ERR_STRING_DATA
*str
)
652 str
->error
|=ERR_PACK(lib
,0,0);
653 ERRFN(err_del_item
)(str
);
658 void ERR_free_strings(void)
664 /********************************************************/
666 void ERR_put_error(int lib
, int func
, int reason
, const char *file
,
672 /* In the BS2000-OSD POSIX subsystem, the compiler generates
673 * path names in the form "*POSIX(/etc/passwd)".
674 * This dirty hack strips them to something sensible.
675 * @@@ We shouldn't modify a const string, though.
677 if (strncmp(file
,"*POSIX(", sizeof("*POSIX(")-1) == 0) {
680 /* Skip the "*POSIX(" prefix */
681 file
+= sizeof("*POSIX(")-1;
682 end
= &file
[strlen(file
)-1];
685 /* Optional: use the basename of the path only. */
686 if ((end
= strrchr(file
, '/')) != NULL
)
692 es
->top
=(es
->top
+1)%ERR_NUM_ERRORS
;
693 if (es
->top
== es
->bottom
)
694 es
->bottom
=(es
->bottom
+1)%ERR_NUM_ERRORS
;
695 es
->err_flags
[es
->top
]=0;
696 es
->err_buffer
[es
->top
]=ERR_PACK(lib
,func
,reason
);
697 es
->err_file
[es
->top
]=file
;
698 es
->err_line
[es
->top
]=line
;
699 err_clear_data(es
,es
->top
);
702 void ERR_clear_error(void)
709 for (i
=0; i
<ERR_NUM_ERRORS
; i
++)
713 es
->top
=es
->bottom
=0;
717 unsigned long ERR_get_error(void)
718 { return(get_error_values(1,0,NULL
,NULL
,NULL
,NULL
)); }
720 unsigned long ERR_get_error_line(const char **file
,
722 { return(get_error_values(1,0,file
,line
,NULL
,NULL
)); }
724 unsigned long ERR_get_error_line_data(const char **file
, int *line
,
725 const char **data
, int *flags
)
726 { return(get_error_values(1,0,file
,line
,data
,flags
)); }
729 unsigned long ERR_peek_error(void)
730 { return(get_error_values(0,0,NULL
,NULL
,NULL
,NULL
)); }
732 unsigned long ERR_peek_error_line(const char **file
, int *line
)
733 { return(get_error_values(0,0,file
,line
,NULL
,NULL
)); }
735 unsigned long ERR_peek_error_line_data(const char **file
, int *line
,
736 const char **data
, int *flags
)
737 { return(get_error_values(0,0,file
,line
,data
,flags
)); }
740 unsigned long ERR_peek_last_error(void)
741 { return(get_error_values(0,1,NULL
,NULL
,NULL
,NULL
)); }
743 unsigned long ERR_peek_last_error_line(const char **file
, int *line
)
744 { return(get_error_values(0,1,file
,line
,NULL
,NULL
)); }
746 unsigned long ERR_peek_last_error_line_data(const char **file
, int *line
,
747 const char **data
, int *flags
)
748 { return(get_error_values(0,1,file
,line
,data
,flags
)); }
751 static unsigned long get_error_values(int inc
, int top
, const char **file
, int *line
,
752 const char **data
, int *flags
)
762 if (file
) *file
= "";
764 if (data
) *data
= "";
765 if (flags
) *flags
= 0;
767 return ERR_R_INTERNAL_ERROR
;
770 if (es
->bottom
== es
->top
) return 0;
772 i
=es
->top
; /* last error */
774 i
=(es
->bottom
+1)%ERR_NUM_ERRORS
; /* first error */
776 ret
=es
->err_buffer
[i
];
783 if ((file
!= NULL
) && (line
!= NULL
))
785 if (es
->err_file
[i
] == NULL
)
788 if (line
!= NULL
) *line
=0;
792 *file
=es
->err_file
[i
];
793 if (line
!= NULL
) *line
=es
->err_line
[i
];
801 err_clear_data(es
, i
);
806 if (es
->err_data
[i
] == NULL
)
809 if (flags
!= NULL
) *flags
=0;
813 *data
=es
->err_data
[i
];
814 if (flags
!= NULL
) *flags
=es
->err_data_flags
[i
];
820 void ERR_error_string_n(unsigned long e
, char *buf
, size_t len
)
822 char lsbuf
[64], fsbuf
[64], rsbuf
[64];
823 const char *ls
,*fs
,*rs
;
830 ls
=ERR_lib_error_string(e
);
831 fs
=ERR_func_error_string(e
);
832 rs
=ERR_reason_error_string(e
);
835 BIO_snprintf(lsbuf
, sizeof(lsbuf
), "lib(%lu)", l
);
837 BIO_snprintf(fsbuf
, sizeof(fsbuf
), "func(%lu)", f
);
839 BIO_snprintf(rsbuf
, sizeof(rsbuf
), "reason(%lu)", r
);
841 BIO_snprintf(buf
, len
,"error:%08lX:%s:%s:%s", e
, ls
?ls
:lsbuf
,
842 fs
?fs
:fsbuf
, rs
?rs
:rsbuf
);
843 if (strlen(buf
) == len
-1)
845 /* output may be truncated; make sure we always have 5
846 * colon-separated fields, i.e. 4 colons ... */
848 if (len
> NUM_COLONS
) /* ... if possible */
853 for (i
= 0; i
< NUM_COLONS
; i
++)
855 char *colon
= strchr(s
, ':');
856 if (colon
== NULL
|| colon
> &buf
[len
-1] - NUM_COLONS
+ i
)
858 /* set colon no. i at last possible position
859 * (buf[len-1] is the terminating 0)*/
860 colon
= &buf
[len
-1] - NUM_COLONS
+ i
;
869 /* BAD for multi-threading: uses a local buffer if ret == NULL */
870 /* ERR_error_string_n should be used instead for ret != NULL
871 * as ERR_error_string cannot know how large the buffer is */
872 char *ERR_error_string(unsigned long e
, char *ret
)
874 static char buf
[256];
876 if (ret
== NULL
) ret
=buf
;
877 ERR_error_string_n(e
, ret
, 256);
882 LHASH
*ERR_get_string_table(void)
885 return ERRFN(err_get
)(0);
888 LHASH
*ERR_get_err_state_table(void)
891 return ERRFN(thread_get
)(0);
894 void ERR_release_err_state_table(LHASH
**hash
)
897 ERRFN(thread_release
)(hash
);
900 const char *ERR_lib_error_string(unsigned long e
)
902 ERR_STRING_DATA d
,*p
;
907 d
.error
=ERR_PACK(l
,0,0);
908 p
=ERRFN(err_get_item
)(&d
);
909 return((p
== NULL
)?NULL
:p
->string
);
912 const char *ERR_func_error_string(unsigned long e
)
914 ERR_STRING_DATA d
,*p
;
920 d
.error
=ERR_PACK(l
,f
,0);
921 p
=ERRFN(err_get_item
)(&d
);
922 return((p
== NULL
)?NULL
:p
->string
);
925 const char *ERR_reason_error_string(unsigned long e
)
927 ERR_STRING_DATA d
,*p
=NULL
;
933 d
.error
=ERR_PACK(l
,0,r
);
934 p
=ERRFN(err_get_item
)(&d
);
937 d
.error
=ERR_PACK(0,0,r
);
938 p
=ERRFN(err_get_item
)(&d
);
940 return((p
== NULL
)?NULL
:p
->string
);
943 /* static unsigned long err_hash(ERR_STRING_DATA *a) */
944 static unsigned long err_hash(const void *a_void
)
948 l
=((const ERR_STRING_DATA
*)a_void
)->error
;
949 ret
=l
^ERR_GET_LIB(l
)^ERR_GET_FUNC(l
);
950 return(ret
^ret
%19*13);
953 /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */
954 static int err_cmp(const void *a_void
, const void *b_void
)
956 return((int)(((const ERR_STRING_DATA
*)a_void
)->error
-
957 ((const ERR_STRING_DATA
*)b_void
)->error
));
960 /* static unsigned long pid_hash(ERR_STATE *a) */
961 static unsigned long pid_hash(const void *a_void
)
963 return(((const ERR_STATE
*)a_void
)->pid
*13);
966 /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */
967 static int pid_cmp(const void *a_void
, const void *b_void
)
969 return((int)((long)((const ERR_STATE
*)a_void
)->pid
-
970 (long)((const ERR_STATE
*)b_void
)->pid
));
973 void ERR_remove_state(unsigned long pid
)
979 pid
=(unsigned long)CRYPTO_thread_id();
981 /* thread_del_item automatically destroys the LHASH if the number of
982 * items reaches zero. */
983 ERRFN(thread_del_item
)(&tmp
);
986 ERR_STATE
*ERR_get_state(void)
988 static ERR_STATE fallback
;
989 ERR_STATE
*ret
,tmp
,*tmpp
=NULL
;
994 pid
=(unsigned long)CRYPTO_thread_id();
996 ret
=ERRFN(thread_get_item
)(&tmp
);
998 /* ret == the error state, if NULL, make a new one */
1001 ret
=(ERR_STATE
*)OPENSSL_malloc(sizeof(ERR_STATE
));
1002 if (ret
== NULL
) return(&fallback
);
1006 for (i
=0; i
<ERR_NUM_ERRORS
; i
++)
1008 ret
->err_data
[i
]=NULL
;
1009 ret
->err_data_flags
[i
]=0;
1011 tmpp
= ERRFN(thread_set_item
)(ret
);
1012 /* To check if insertion failed, do a get. */
1013 if (ERRFN(thread_get_item
)(ret
) != ret
)
1015 ERR_STATE_free(ret
); /* could not insert it */
1018 /* If a race occured in this function and we came second, tmpp
1019 * is the first one that we just replaced. */
1021 ERR_STATE_free(tmpp
);
1026 int ERR_get_next_error_library(void)
1029 return ERRFN(get_next_lib
)();
1032 void ERR_set_error_data(char *data
, int flags
)
1043 err_clear_data(es
,i
);
1044 es
->err_data
[i
]=data
;
1045 es
->err_data_flags
[i
]=flags
;
1048 void ERR_add_error_data(int num
, ...)
1055 str
=OPENSSL_malloc(s
+1);
1056 if (str
== NULL
) return;
1059 va_start(args
, num
);
1061 for (i
=0; i
<num
; i
++)
1063 a
=va_arg(args
, char*);
1064 /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
1071 p
=OPENSSL_realloc(str
,s
+1);
1080 BUF_strlcat(str
,a
,(size_t)s
+1);
1083 ERR_set_error_data(str
,ERR_TXT_MALLOCED
|ERR_TXT_STRING
);
1089 int ERR_set_mark(void)
1095 if (es
->bottom
== es
->top
) return 0;
1096 es
->err_flags
[es
->top
]|=ERR_FLAG_MARK
;
1100 int ERR_pop_to_mark(void)
1106 while(es
->bottom
!= es
->top
1107 && (es
->err_flags
[es
->top
] & ERR_FLAG_MARK
) == 0)
1109 err_clear(es
,es
->top
);
1111 if (es
->top
== -1) es
->top
=ERR_NUM_ERRORS
;
1114 if (es
->bottom
== es
->top
) return 0;
1115 es
->err_flags
[es
->top
]&=~ERR_FLAG_MARK
;