OpenCoverage

tb_asnmth.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/engine/tb_asnmth.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/*-
2 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
4 * Licensed under the OpenSSL license (the "License"). You may not use-
5 * this file except in compliance with the License. You can obtain a copy-
6 * in the file LICENSE in the source distribution or at-
7 * https://www.openssl.org/source/license.html-
8 */-
9-
10#include "e_os.h"-
11#include "eng_int.h"-
12#include <openssl/evp.h>-
13#include "internal/asn1_int.h"-
14-
15/*-
16 * If this symbol is defined then ENGINE_get_pkey_asn1_meth_engine(), the-
17 * function that is used by EVP to hook in pkey_asn1_meth code and cache-
18 * defaults (etc), will display brief debugging summaries to stderr with the-
19 * 'nid'.-
20 */-
21/* #define ENGINE_PKEY_ASN1_METH_DEBUG */-
22-
23static ENGINE_TABLE *pkey_asn1_meth_table = NULL;-
24-
25void ENGINE_unregister_pkey_asn1_meths(ENGINE *e)-
26{-
27 engine_table_unregister(&pkey_asn1_meth_table, e);-
28}
never executed: end of block
0
29-
30static void engine_unregister_all_pkey_asn1_meths(void)-
31{-
32 engine_table_cleanup(&pkey_asn1_meth_table);-
33}
never executed: end of block
0
34-
35int ENGINE_register_pkey_asn1_meths(ENGINE *e)-
36{-
37 if (e->pkey_asn1_meths) {
e->pkey_asn1_methsDescription
TRUEnever evaluated
FALSEevaluated 3748 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-3748
38 const int *nids;-
39 int num_nids = e->pkey_asn1_meths(e, NULL, &nids, 0);-
40 if (num_nids > 0)
num_nids > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
41 return engine_table_register(&pkey_asn1_meth_table,
never executed: return engine_table_register(&pkey_asn1_meth_table, engine_unregister_all_pkey_asn1_meths, e, nids, num_nids, 0);
0
42 engine_unregister_all_pkey_asn1_meths,
never executed: return engine_table_register(&pkey_asn1_meth_table, engine_unregister_all_pkey_asn1_meths, e, nids, num_nids, 0);
0
43 e, nids, num_nids, 0);
never executed: return engine_table_register(&pkey_asn1_meth_table, engine_unregister_all_pkey_asn1_meths, e, nids, num_nids, 0);
0
44 }
never executed: end of block
0
45 return 1;
executed 3748 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
3748
46}-
47-
48void ENGINE_register_all_pkey_asn1_meths(void)-
49{-
50 ENGINE *e;-
51-
52 for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
eDescription
TRUEnever evaluated
FALSEnever evaluated
0
53 ENGINE_register_pkey_asn1_meths(e);
never executed: ENGINE_register_pkey_asn1_meths(e);
0
54}
never executed: end of block
0
55-
56int ENGINE_set_default_pkey_asn1_meths(ENGINE *e)-
57{-
58 if (e->pkey_asn1_meths) {
e->pkey_asn1_methsDescription
TRUEnever evaluated
FALSEevaluated 367 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-367
59 const int *nids;-
60 int num_nids = e->pkey_asn1_meths(e, NULL, &nids, 0);-
61 if (num_nids > 0)
num_nids > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
62 return engine_table_register(&pkey_asn1_meth_table,
never executed: return engine_table_register(&pkey_asn1_meth_table, engine_unregister_all_pkey_asn1_meths, e, nids, num_nids, 1);
0
63 engine_unregister_all_pkey_asn1_meths,
never executed: return engine_table_register(&pkey_asn1_meth_table, engine_unregister_all_pkey_asn1_meths, e, nids, num_nids, 1);
0
64 e, nids, num_nids, 1);
never executed: return engine_table_register(&pkey_asn1_meth_table, engine_unregister_all_pkey_asn1_meths, e, nids, num_nids, 1);
0
65 }
never executed: end of block
0
66 return 1;
executed 367 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
367
67}-
68-
69/*-
70 * Exposed API function to get a functional reference from the implementation-
71 * table (ie. try to get a functional reference from the tabled structural-
72 * references) for a given pkey_asn1_meth 'nid'-
73 */-
74ENGINE *ENGINE_get_pkey_asn1_meth_engine(int nid)-
75{-
76 return engine_table_select(&pkey_asn1_meth_table, nid);
executed 100211 times by 1 test: return engine_table_select(&pkey_asn1_meth_table, nid);
Executed by:
  • libcrypto.so.1.1
100211
77}-
78-
79/*-
80 * Obtains a pkey_asn1_meth implementation from an ENGINE functional-
81 * reference-
82 */-
83const EVP_PKEY_ASN1_METHOD *ENGINE_get_pkey_asn1_meth(ENGINE *e, int nid)-
84{-
85 EVP_PKEY_ASN1_METHOD *ret;-
86 ENGINE_PKEY_ASN1_METHS_PTR fn = ENGINE_get_pkey_asn1_meths(e);-
87 if (!fn || !fn(e, &ret, NULL, nid)) {
!fnDescription
TRUEnever evaluated
FALSEnever evaluated
!fn(e, &ret, (...id *)0) , nid)Description
TRUEnever evaluated
FALSEnever evaluated
0
88 ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_ASN1_METH,-
89 ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);-
90 return NULL;
never executed: return ((void *)0) ;
0
91 }-
92 return ret;
never executed: return ret;
0
93}-
94-
95/* Gets the pkey_asn1_meth callback from an ENGINE structure */-
96ENGINE_PKEY_ASN1_METHS_PTR ENGINE_get_pkey_asn1_meths(const ENGINE *e)-
97{-
98 return e->pkey_asn1_meths;
never executed: return e->pkey_asn1_meths;
0
99}-
100-
101/* Sets the pkey_asn1_meth callback in an ENGINE structure */-
102int ENGINE_set_pkey_asn1_meths(ENGINE *e, ENGINE_PKEY_ASN1_METHS_PTR f)-
103{-
104 e->pkey_asn1_meths = f;-
105 return 1;
never executed: return 1;
0
106}-
107-
108/*-
109 * Internal function to free up EVP_PKEY_ASN1_METHOD structures before an-
110 * ENGINE is destroyed-
111 */-
112-
113void engine_pkey_asn1_meths_free(ENGINE *e)-
114{-
115 int i;-
116 EVP_PKEY_ASN1_METHOD *pkm;-
117 if (e->pkey_asn1_meths) {
e->pkey_asn1_methsDescription
TRUEnever evaluated
FALSEevaluated 2844 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2844
118 const int *pknids;-
119 int npknids;-
120 npknids = e->pkey_asn1_meths(e, NULL, &pknids, 0);-
121 for (i = 0; i < npknids; i++) {
i < npknidsDescription
TRUEnever evaluated
FALSEnever evaluated
0
122 if (e->pkey_asn1_meths(e, &pkm, NULL, pknids[i])) {
e->pkey_asn1_m...) , pknids[i])Description
TRUEnever evaluated
FALSEnever evaluated
0
123 EVP_PKEY_asn1_free(pkm);-
124 }
never executed: end of block
0
125 }
never executed: end of block
0
126 }
never executed: end of block
0
127}
executed 2844 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2844
128-
129/*-
130 * Find a method based on a string. This does a linear search through all-
131 * implemented algorithms. This is OK in practice because only a small number-
132 * of algorithms are likely to be implemented in an engine and it is not used-
133 * for speed critical operations.-
134 */-
135-
136const EVP_PKEY_ASN1_METHOD *ENGINE_get_pkey_asn1_meth_str(ENGINE *e,-
137 const char *str,-
138 int len)-
139{-
140 int i, nidcount;-
141 const int *nids;-
142 EVP_PKEY_ASN1_METHOD *ameth;-
143 if (!e->pkey_asn1_meths)
!e->pkey_asn1_methsDescription
TRUEnever evaluated
FALSEnever evaluated
0
144 return NULL;
never executed: return ((void *)0) ;
0
145 if (len == -1)
len == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
146 len = strlen(str);
never executed: len = strlen(str);
0
147 nidcount = e->pkey_asn1_meths(e, NULL, &nids, 0);-
148 for (i = 0; i < nidcount; i++) {
i < nidcountDescription
TRUEnever evaluated
FALSEnever evaluated
0
149 e->pkey_asn1_meths(e, &ameth, NULL, nids[i]);-
150 if (((int)strlen(ameth->pem_str) == len)
((int)strlen(a...m_str) == len)Description
TRUEnever evaluated
FALSEnever evaluated
0
151 && strncasecmp(ameth->pem_str, str, len) == 0)
strncasecmp(am...str, len) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
152 return ameth;
never executed: return ameth;
0
153 }
never executed: end of block
0
154 return NULL;
never executed: return ((void *)0) ;
0
155}-
156-
157typedef struct {-
158 ENGINE *e;-
159 const EVP_PKEY_ASN1_METHOD *ameth;-
160 const char *str;-
161 int len;-
162} ENGINE_FIND_STR;-
163-
164static void look_str_cb(int nid, STACK_OF(ENGINE) *sk, ENGINE *def, void *arg)-
165{-
166 ENGINE_FIND_STR *lk = arg;-
167 int i;-
168 if (lk->ameth)
lk->amethDescription
TRUEnever evaluated
FALSEnever evaluated
0
169 return;
never executed: return;
0
170 for (i = 0; i < sk_ENGINE_num(sk); i++) {
i < sk_ENGINE_num(sk)Description
TRUEnever evaluated
FALSEnever evaluated
0
171 ENGINE *e = sk_ENGINE_value(sk, i);-
172 EVP_PKEY_ASN1_METHOD *ameth;-
173 e->pkey_asn1_meths(e, &ameth, NULL, nid);-
174 if (ameth != NULL
ameth != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
175 && ((int)strlen(ameth->pem_str) == lk->len)
((int)strlen(a...r) == lk->len)Description
TRUEnever evaluated
FALSEnever evaluated
0
176 && strncasecmp(ameth->pem_str, lk->str, lk->len) == 0) {
strncasecmp(am... lk->len) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
177 lk->e = e;-
178 lk->ameth = ameth;-
179 return;
never executed: return;
0
180 }-
181 }
never executed: end of block
0
182}
never executed: end of block
0
183-
184const EVP_PKEY_ASN1_METHOD *ENGINE_pkey_asn1_find_str(ENGINE **pe,-
185 const char *str,-
186 int len)-
187{-
188 ENGINE_FIND_STR fstr;-
189 fstr.e = NULL;-
190 fstr.ameth = NULL;-
191 fstr.str = str;-
192 fstr.len = len;-
193-
194 if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
!(CRYPTO_THREA...ossl_ret_ : 0)Description
TRUEnever evaluated
FALSEevaluated 9796 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
CRYPTO_THREAD_...ck_init_ossl_)Description
TRUEevaluated 9796 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-9796
195 ENGINEerr(ENGINE_F_ENGINE_PKEY_ASN1_FIND_STR, ERR_R_MALLOC_FAILURE);-
196 return NULL;
never executed: return ((void *)0) ;
0
197 }-
198-
199 CRYPTO_THREAD_write_lock(global_engine_lock);-
200 engine_table_doall(pkey_asn1_meth_table, look_str_cb, &fstr);-
201 /* If found obtain a structural reference to engine */-
202 if (fstr.e) {
fstr.eDescription
TRUEnever evaluated
FALSEevaluated 9796 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-9796
203 fstr.e->struct_ref++;-
204 engine_ref_debug(fstr.e, 0, 1);-
205 }
never executed: end of block
0
206 *pe = fstr.e;-
207 CRYPTO_THREAD_unlock(global_engine_lock);-
208 return fstr.ameth;
executed 9796 times by 1 test: return fstr.ameth;
Executed by:
  • libcrypto.so.1.1
9796
209}-
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