OpenCoverage

store_register.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/store/store_register.c
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1/*-
2 * Copyright 2016-2018 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 <string.h>-
11#include "internal/ctype.h"-
12#include <assert.h>-
13-
14#include <openssl/err.h>-
15#include <openssl/lhash.h>-
16#include "store_locl.h"-
17-
18static CRYPTO_RWLOCK *registry_lock;-
19static CRYPTO_ONCE registry_init = CRYPTO_ONCE_STATIC_INIT;-
20-
21DEFINE_RUN_ONCE_STATIC(do_registry_init)
never executed: end of block
0
22{-
23 registry_lock = CRYPTO_THREAD_lock_new();-
24 return registry_lock != NULL;
never executed: return registry_lock != ((void *)0) ;
0
25}-
26-
27/*-
28 * Functions for manipulating OSSL_STORE_LOADERs-
29 */-
30-
31OSSL_STORE_LOADER *OSSL_STORE_LOADER_new(ENGINE *e, const char *scheme)-
32{-
33 OSSL_STORE_LOADER *res = NULL;-
34-
35 /*-
36 * We usually don't check NULL arguments. For loaders, though, the-
37 * scheme is crucial and must never be NULL, or the user will get-
38 * mysterious errors when trying to register the created loader-
39 * later on.-
40 */-
41 if (scheme == NULL) {
scheme == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
42 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_LOADER_NEW,-
43 OSSL_STORE_R_INVALID_SCHEME);-
44 return NULL;
never executed: return ((void *)0) ;
0
45 }-
46-
47 if ((res = OPENSSL_zalloc(sizeof(*res))) == NULL) {
(res = CRYPTO_...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
48 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_LOADER_NEW, ERR_R_MALLOC_FAILURE);-
49 return NULL;
never executed: return ((void *)0) ;
0
50 }-
51-
52 res->engine = e;-
53 res->scheme = scheme;-
54 return res;
never executed: return res;
0
55}-
56-
57const ENGINE *OSSL_STORE_LOADER_get0_engine(const OSSL_STORE_LOADER *loader)-
58{-
59 return loader->engine;
never executed: return loader->engine;
0
60}-
61-
62const char *OSSL_STORE_LOADER_get0_scheme(const OSSL_STORE_LOADER *loader)-
63{-
64 return loader->scheme;
never executed: return loader->scheme;
0
65}-
66-
67int OSSL_STORE_LOADER_set_open(OSSL_STORE_LOADER *loader,-
68 OSSL_STORE_open_fn open_function)-
69{-
70 loader->open = open_function;-
71 return 1;
never executed: return 1;
0
72}-
73-
74int OSSL_STORE_LOADER_set_ctrl(OSSL_STORE_LOADER *loader,-
75 OSSL_STORE_ctrl_fn ctrl_function)-
76{-
77 loader->ctrl = ctrl_function;-
78 return 1;
never executed: return 1;
0
79}-
80-
81int OSSL_STORE_LOADER_set_expect(OSSL_STORE_LOADER *loader,-
82 OSSL_STORE_expect_fn expect_function)-
83{-
84 loader->expect = expect_function;-
85 return 1;
never executed: return 1;
0
86}-
87-
88int OSSL_STORE_LOADER_set_find(OSSL_STORE_LOADER *loader,-
89 OSSL_STORE_find_fn find_function)-
90{-
91 loader->find = find_function;-
92 return 1;
never executed: return 1;
0
93}-
94-
95int OSSL_STORE_LOADER_set_load(OSSL_STORE_LOADER *loader,-
96 OSSL_STORE_load_fn load_function)-
97{-
98 loader->load = load_function;-
99 return 1;
never executed: return 1;
0
100}-
101-
102int OSSL_STORE_LOADER_set_eof(OSSL_STORE_LOADER *loader,-
103 OSSL_STORE_eof_fn eof_function)-
104{-
105 loader->eof = eof_function;-
106 return 1;
never executed: return 1;
0
107}-
108-
109int OSSL_STORE_LOADER_set_error(OSSL_STORE_LOADER *loader,-
110 OSSL_STORE_error_fn error_function)-
111{-
112 loader->error = error_function;-
113 return 1;
never executed: return 1;
0
114}-
115-
116int OSSL_STORE_LOADER_set_close(OSSL_STORE_LOADER *loader,-
117 OSSL_STORE_close_fn close_function)-
118{-
119 loader->close = close_function;-
120 return 1;
never executed: return 1;
0
121}-
122-
123void OSSL_STORE_LOADER_free(OSSL_STORE_LOADER *loader)-
124{-
125 OPENSSL_free(loader);-
126}
never executed: end of block
0
127-
128/*-
129 * Functions for registering OSSL_STORE_LOADERs-
130 */-
131-
132static unsigned long store_loader_hash(const OSSL_STORE_LOADER *v)-
133{-
134 return OPENSSL_LH_strhash(v->scheme);
never executed: return OPENSSL_LH_strhash(v->scheme);
0
135}-
136-
137static int store_loader_cmp(const OSSL_STORE_LOADER *a,-
138 const OSSL_STORE_LOADER *b)-
139{-
140 assert(a->scheme != NULL && b->scheme != NULL);-
141 return strcmp(a->scheme, b->scheme);
never executed: return __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p ( a->scheme ) && __builtin_constant_p ( b->scheme ) && (__s1_len = __builtin_strlen ( a->scheme ), __s2_len = __builtin_strlen ( b->scheme ), (!((size_t)(const void *)(( a->scheme ) ...nst unsigned char *) (const char *) ( b->scheme ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char *) (const char *) ( b->scheme ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp ( a->scheme , b->scheme )))); }) ;
never executed: __result = (((const unsigned char *) (const char *) ( a->scheme ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( b->scheme ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
142}-
143-
144static LHASH_OF(OSSL_STORE_LOADER) *loader_register = NULL;-
145-
146int ossl_store_register_loader_int(OSSL_STORE_LOADER *loader)-
147{-
148 const char *scheme = loader->scheme;-
149 int ok = 0;-
150-
151 /*-
152 * Check that the given scheme conforms to correct scheme syntax as per-
153 * RFC 3986:-
154 *-
155 * scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )-
156 */-
157 if (ossl_isalpha(*scheme))
(ossl_ctype_ch... (0x1 | 0x2)))Description
TRUEnever evaluated
FALSEnever evaluated
0
158 while (*scheme != '\0'
*scheme != '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
159 && (ossl_isalpha(*scheme)
(ossl_ctype_ch... (0x1 | 0x2)))Description
TRUEnever evaluated
FALSEnever evaluated
0
160 || ossl_isdigit(*scheme)
(ossl_ctype_ch...scheme), 0x4))Description
TRUEnever evaluated
FALSEnever evaluated
0
161 || strchr("+-.", *scheme) != NULL))
(__extension__...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons..._p ( *scheme )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_con...nt_p ( "+-." )Description
TRUEnever evaluated
FALSEnever evaluated
( *scheme ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
162 scheme++;
never executed: scheme++;
0
163 if (*scheme != '\0') {
*scheme != '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
164 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_REGISTER_LOADER_INT,-
165 OSSL_STORE_R_INVALID_SCHEME);-
166 ERR_add_error_data(2, "scheme=", loader->scheme);-
167 return 0;
never executed: return 0;
0
168 }-
169-
170 /* Check that functions we absolutely require are present */-
171 if (loader->open == NULL || loader->load == NULL || loader->eof == NULL
loader->open == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
loader->load == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
loader->eof == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
172 || loader->error == NULL || loader->close == NULL) {
loader->error == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
loader->close == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
173 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_REGISTER_LOADER_INT,-
174 OSSL_STORE_R_LOADER_INCOMPLETE);-
175 return 0;
never executed: return 0;
0
176 }-
177-
178 if (!RUN_ONCE(&registry_init, do_registry_init)) {
!(CRYPTO_THREA...ossl_ret_ : 0)Description
TRUEnever evaluated
FALSEnever evaluated
CRYPTO_THREAD_...ry_init_ossl_)Description
TRUEnever evaluated
FALSEnever evaluated
0
179 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_REGISTER_LOADER_INT,-
180 ERR_R_MALLOC_FAILURE);-
181 return 0;
never executed: return 0;
0
182 }-
183 CRYPTO_THREAD_write_lock(registry_lock);-
184-
185 if (loader_register == NULL) {
loader_register == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
186 loader_register = lh_OSSL_STORE_LOADER_new(store_loader_hash,-
187 store_loader_cmp);-
188 }
never executed: end of block
0
189-
190 if (loader_register != NULL
loader_register != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
191 && (lh_OSSL_STORE_LOADER_insert(loader_register, loader) != NULL
lh_OSSL_STORE_...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
192 || lh_OSSL_STORE_LOADER_error(loader_register) == 0))
lh_OSSL_STORE_...register) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
193 ok = 1;
never executed: ok = 1;
0
194-
195 CRYPTO_THREAD_unlock(registry_lock);-
196-
197 return ok;
never executed: return ok;
0
198}-
199int OSSL_STORE_register_loader(OSSL_STORE_LOADER *loader)-
200{-
201 if (!ossl_store_init_once())
!ossl_store_init_once()Description
TRUEnever evaluated
FALSEnever evaluated
0
202 return 0;
never executed: return 0;
0
203 return ossl_store_register_loader_int(loader);
never executed: return ossl_store_register_loader_int(loader);
0
204}-
205-
206const OSSL_STORE_LOADER *ossl_store_get0_loader_int(const char *scheme)-
207{-
208 OSSL_STORE_LOADER template;-
209 OSSL_STORE_LOADER *loader = NULL;-
210-
211 template.scheme = scheme;-
212 template.open = NULL;-
213 template.load = NULL;-
214 template.eof = NULL;-
215 template.close = NULL;-
216-
217 if (!ossl_store_init_once())
!ossl_store_init_once()Description
TRUEnever evaluated
FALSEnever evaluated
0
218 return NULL;
never executed: return ((void *)0) ;
0
219-
220 if (!RUN_ONCE(&registry_init, do_registry_init)) {
!(CRYPTO_THREA...ossl_ret_ : 0)Description
TRUEnever evaluated
FALSEnever evaluated
CRYPTO_THREAD_...ry_init_ossl_)Description
TRUEnever evaluated
FALSEnever evaluated
0
221 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_GET0_LOADER_INT,-
222 ERR_R_MALLOC_FAILURE);-
223 return NULL;
never executed: return ((void *)0) ;
0
224 }-
225 CRYPTO_THREAD_write_lock(registry_lock);-
226-
227 loader = lh_OSSL_STORE_LOADER_retrieve(loader_register, &template);-
228-
229 if (loader == NULL) {
loader == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
230 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_GET0_LOADER_INT,-
231 OSSL_STORE_R_UNREGISTERED_SCHEME);-
232 ERR_add_error_data(2, "scheme=", scheme);-
233 }
never executed: end of block
0
234-
235 CRYPTO_THREAD_unlock(registry_lock);-
236-
237 return loader;
never executed: return loader;
0
238}-
239-
240OSSL_STORE_LOADER *ossl_store_unregister_loader_int(const char *scheme)-
241{-
242 OSSL_STORE_LOADER template;-
243 OSSL_STORE_LOADER *loader = NULL;-
244-
245 template.scheme = scheme;-
246 template.open = NULL;-
247 template.load = NULL;-
248 template.eof = NULL;-
249 template.close = NULL;-
250-
251 if (!RUN_ONCE(&registry_init, do_registry_init)) {
!(CRYPTO_THREA...ossl_ret_ : 0)Description
TRUEnever evaluated
FALSEnever evaluated
CRYPTO_THREAD_...ry_init_ossl_)Description
TRUEnever evaluated
FALSEnever evaluated
0
252 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_UNREGISTER_LOADER_INT,-
253 ERR_R_MALLOC_FAILURE);-
254 return NULL;
never executed: return ((void *)0) ;
0
255 }-
256 CRYPTO_THREAD_write_lock(registry_lock);-
257-
258 loader = lh_OSSL_STORE_LOADER_delete(loader_register, &template);-
259-
260 if (loader == NULL) {
loader == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
261 OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_UNREGISTER_LOADER_INT,-
262 OSSL_STORE_R_UNREGISTERED_SCHEME);-
263 ERR_add_error_data(2, "scheme=", scheme);-
264 }
never executed: end of block
0
265-
266 CRYPTO_THREAD_unlock(registry_lock);-
267-
268 return loader;
never executed: return loader;
0
269}-
270OSSL_STORE_LOADER *OSSL_STORE_unregister_loader(const char *scheme)-
271{-
272 if (!ossl_store_init_once())
!ossl_store_init_once()Description
TRUEnever evaluated
FALSEnever evaluated
0
273 return 0;
never executed: return 0;
0
274 return ossl_store_unregister_loader_int(scheme);
never executed: return ossl_store_unregister_loader_int(scheme);
0
275}-
276-
277void ossl_store_destroy_loaders_int(void)-
278{-
279 assert(lh_OSSL_STORE_LOADER_num_items(loader_register) == 0);-
280 lh_OSSL_STORE_LOADER_free(loader_register);-
281 loader_register = NULL;-
282 CRYPTO_THREAD_lock_free(registry_lock);-
283 registry_lock = NULL;-
284}
executed 2076 times by 12 tests: end of block
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
2076
285-
286/*-
287 * Functions to list OSSL_STORE loaders-
288 */-
289-
290IMPLEMENT_LHASH_DOALL_ARG_CONST(OSSL_STORE_LOADER, void);
never executed: end of block
0
291int OSSL_STORE_do_all_loaders(void (*do_function) (const OSSL_STORE_LOADER-
292 *loader, void *do_arg),-
293 void *do_arg)-
294{-
295 lh_OSSL_STORE_LOADER_doall_void(loader_register, do_function, do_arg);-
296 return 1;
never executed: return 1;
0
297}-
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