Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/x509v3/v3_lib.c |
Source code | Switch to Preprocessed file |
Line | Source | Count | ||||||
---|---|---|---|---|---|---|---|---|
1 | /* | - | ||||||
2 | * Copyright 1999-2018 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 | /* X509 v3 extension utilities */ | - | ||||||
11 | - | |||||||
12 | #include <stdio.h> | - | ||||||
13 | #include "internal/cryptlib.h" | - | ||||||
14 | #include <openssl/conf.h> | - | ||||||
15 | #include <openssl/x509v3.h> | - | ||||||
16 | - | |||||||
17 | #include "ext_dat.h" | - | ||||||
18 | - | |||||||
19 | static STACK_OF(X509V3_EXT_METHOD) *ext_list = NULL; | - | ||||||
20 | - | |||||||
21 | static int ext_cmp(const X509V3_EXT_METHOD *const *a, | - | ||||||
22 | const X509V3_EXT_METHOD *const *b); | - | ||||||
23 | static void ext_list_free(X509V3_EXT_METHOD *ext); | - | ||||||
24 | - | |||||||
25 | int X509V3_EXT_add(X509V3_EXT_METHOD *ext) | - | ||||||
26 | { | - | ||||||
27 | if (ext_list == NULL
| 0 | ||||||
28 | && (ext_list = sk_X509V3_EXT_METHOD_new(ext_cmp)) == NULL) {
| 0 | ||||||
29 | X509V3err(X509V3_F_X509V3_EXT_ADD, ERR_R_MALLOC_FAILURE); | - | ||||||
30 | return 0; never executed: return 0; | 0 | ||||||
31 | } | - | ||||||
32 | if (!sk_X509V3_EXT_METHOD_push(ext_list, ext)) {
| 0 | ||||||
33 | X509V3err(X509V3_F_X509V3_EXT_ADD, ERR_R_MALLOC_FAILURE); | - | ||||||
34 | return 0; never executed: return 0; | 0 | ||||||
35 | } | - | ||||||
36 | return 1; never executed: return 1; | 0 | ||||||
37 | } | - | ||||||
38 | - | |||||||
39 | static int ext_cmp(const X509V3_EXT_METHOD *const *a, | - | ||||||
40 | const X509V3_EXT_METHOD *const *b) | - | ||||||
41 | { | - | ||||||
42 | return ((*a)->ext_nid - (*b)->ext_nid); executed 920369 times by 1 test: return ((*a)->ext_nid - (*b)->ext_nid); Executed by:
| 920369 | ||||||
43 | } | - | ||||||
44 | - | |||||||
45 | DECLARE_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *, | - | ||||||
46 | const X509V3_EXT_METHOD *, ext); | - | ||||||
47 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *, executed 920369 times by 1 test: return ext_cmp(a,b); Executed by:
executed 190374 times by 1 test: return (const X509V3_EXT_METHOD * *)OBJ_bsearch_(key, base, num, sizeof(const X509V3_EXT_METHOD *), ext_cmp_BSEARCH_CMP_FN); Executed by:
| 190374-920369 | ||||||
48 | const X509V3_EXT_METHOD *, ext); | - | ||||||
49 | - | |||||||
50 | #include "standard_exts.h" | - | ||||||
51 | - | |||||||
52 | const X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid) | - | ||||||
53 | { | - | ||||||
54 | X509V3_EXT_METHOD tmp; | - | ||||||
55 | const X509V3_EXT_METHOD *t = &tmp, *const *ret; | - | ||||||
56 | int idx; | - | ||||||
57 | - | |||||||
58 | if (nid < 0)
| 0-190374 | ||||||
59 | return NULL; never executed: return ((void *)0) ; | 0 | ||||||
60 | tmp.ext_nid = nid; | - | ||||||
61 | ret = OBJ_bsearch_ext(&t, standard_exts, STANDARD_EXTENSION_COUNT); | - | ||||||
62 | if (ret)
| 4404-185970 | ||||||
63 | return *ret; executed 185970 times by 1 test: return *ret; Executed by:
| 185970 | ||||||
64 | if (!ext_list)
| 0-4404 | ||||||
65 | return NULL; executed 4404 times by 1 test: return ((void *)0) ; Executed by:
| 4404 | ||||||
66 | idx = sk_X509V3_EXT_METHOD_find(ext_list, &tmp); | - | ||||||
67 | return sk_X509V3_EXT_METHOD_value(ext_list, idx); never executed: return sk_X509V3_EXT_METHOD_value(ext_list, idx); | 0 | ||||||
68 | } | - | ||||||
69 | - | |||||||
70 | const X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext) | - | ||||||
71 | { | - | ||||||
72 | int nid; | - | ||||||
73 | if ((nid = OBJ_obj2nid(X509_EXTENSION_get_object(ext))) == NID_undef)
| 9295-190153 | ||||||
74 | return NULL; executed 9295 times by 1 test: return ((void *)0) ; Executed by:
| 9295 | ||||||
75 | return X509V3_EXT_get_nid(nid); executed 190153 times by 1 test: return X509V3_EXT_get_nid(nid); Executed by:
| 190153 | ||||||
76 | } | - | ||||||
77 | - | |||||||
78 | int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist) | - | ||||||
79 | { | - | ||||||
80 | for (; extlist->ext_nid != -1; extlist++)
| 0 | ||||||
81 | if (!X509V3_EXT_add(extlist))
| 0 | ||||||
82 | return 0; never executed: return 0; | 0 | ||||||
83 | return 1; never executed: return 1; | 0 | ||||||
84 | } | - | ||||||
85 | - | |||||||
86 | int X509V3_EXT_add_alias(int nid_to, int nid_from) | - | ||||||
87 | { | - | ||||||
88 | const X509V3_EXT_METHOD *ext; | - | ||||||
89 | X509V3_EXT_METHOD *tmpext; | - | ||||||
90 | - | |||||||
91 | if ((ext = X509V3_EXT_get_nid(nid_from)) == NULL) {
| 0 | ||||||
92 | X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS, X509V3_R_EXTENSION_NOT_FOUND); | - | ||||||
93 | return 0; never executed: return 0; | 0 | ||||||
94 | } | - | ||||||
95 | if ((tmpext = OPENSSL_malloc(sizeof(*tmpext))) == NULL) {
| 0 | ||||||
96 | X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS, ERR_R_MALLOC_FAILURE); | - | ||||||
97 | return 0; never executed: return 0; | 0 | ||||||
98 | } | - | ||||||
99 | *tmpext = *ext; | - | ||||||
100 | tmpext->ext_nid = nid_to; | - | ||||||
101 | tmpext->ext_flags |= X509V3_EXT_DYNAMIC; | - | ||||||
102 | return X509V3_EXT_add(tmpext); never executed: return X509V3_EXT_add(tmpext); | 0 | ||||||
103 | } | - | ||||||
104 | - | |||||||
105 | void X509V3_EXT_cleanup(void) | - | ||||||
106 | { | - | ||||||
107 | sk_X509V3_EXT_METHOD_pop_free(ext_list, ext_list_free); | - | ||||||
108 | ext_list = NULL; | - | ||||||
109 | } never executed: end of block | 0 | ||||||
110 | - | |||||||
111 | static void ext_list_free(X509V3_EXT_METHOD *ext) | - | ||||||
112 | { | - | ||||||
113 | if (ext->ext_flags & X509V3_EXT_DYNAMIC)
| 0 | ||||||
114 | OPENSSL_free(ext); never executed: CRYPTO_free(ext, __FILE__, 114); | 0 | ||||||
115 | } never executed: end of block | 0 | ||||||
116 | - | |||||||
117 | /* | - | ||||||
118 | * Legacy function: we don't need to add standard extensions any more because | - | ||||||
119 | * they are now kept in ext_dat.h. | - | ||||||
120 | */ | - | ||||||
121 | - | |||||||
122 | int X509V3_add_standard_extensions(void) | - | ||||||
123 | { | - | ||||||
124 | return 1; never executed: return 1; | 0 | ||||||
125 | } | - | ||||||
126 | - | |||||||
127 | /* Return an extension internal structure */ | - | ||||||
128 | - | |||||||
129 | void *X509V3_EXT_d2i(X509_EXTENSION *ext) | - | ||||||
130 | { | - | ||||||
131 | const X509V3_EXT_METHOD *method; | - | ||||||
132 | const unsigned char *p; | - | ||||||
133 | ASN1_STRING *extvalue; | - | ||||||
134 | int extlen; | - | ||||||
135 | - | |||||||
136 | if ((method = X509V3_EXT_get(ext)) == NULL)
| 0-100504 | ||||||
137 | return NULL; never executed: return ((void *)0) ; | 0 | ||||||
138 | extvalue = X509_EXTENSION_get_data(ext); | - | ||||||
139 | p = ASN1_STRING_get0_data(extvalue); | - | ||||||
140 | extlen = ASN1_STRING_length(extvalue); | - | ||||||
141 | if (method->it)
| 9-100495 | ||||||
142 | return ASN1_item_d2i(NULL, &p, extlen, ASN1_ITEM_ptr(method->it)); executed 100495 times by 1 test: return ASN1_item_d2i( ((void *)0) , &p, extlen, (method->it)); Executed by:
| 100495 | ||||||
143 | return method->d2i(NULL, &p, extlen); executed 9 times by 1 test: return method->d2i( ((void *)0) , &p, extlen); Executed by:
| 9 | ||||||
144 | } | - | ||||||
145 | - | |||||||
146 | /*- | - | ||||||
147 | * Get critical flag and decoded version of extension from a NID. | - | ||||||
148 | * The "idx" variable returns the last found extension and can | - | ||||||
149 | * be used to retrieve multiple extensions of the same NID. | - | ||||||
150 | * However multiple extensions with the same NID is usually | - | ||||||
151 | * due to a badly encoded certificate so if idx is NULL we | - | ||||||
152 | * choke if multiple extensions exist. | - | ||||||
153 | * The "crit" variable is set to the critical value. | - | ||||||
154 | * The return value is the decoded extension or NULL on | - | ||||||
155 | * error. The actual error can have several different causes, | - | ||||||
156 | * the value of *crit reflects the cause: | - | ||||||
157 | * >= 0, extension found but not decoded (reflects critical value). | - | ||||||
158 | * -1 extension not found. | - | ||||||
159 | * -2 extension occurs more than once. | - | ||||||
160 | */ | - | ||||||
161 | - | |||||||
162 | void *X509V3_get_d2i(const STACK_OF(X509_EXTENSION) *x, int nid, int *crit, | - | ||||||
163 | int *idx) | - | ||||||
164 | { | - | ||||||
165 | int lastpos, i; | - | ||||||
166 | X509_EXTENSION *ex, *found_ex = NULL; | - | ||||||
167 | - | |||||||
168 | if (!x) {
| 99539-294133 | ||||||
169 | if (idx)
| 0-99539 | ||||||
170 | *idx = -1; never executed: *idx = -1; | 0 | ||||||
171 | if (crit)
| 14114-85425 | ||||||
172 | *crit = -1; executed 14114 times by 1 test: *crit = -1; Executed by:
| 14114 | ||||||
173 | return NULL; executed 99539 times by 1 test: return ((void *)0) ; Executed by:
| 99539 | ||||||
174 | } | - | ||||||
175 | if (idx)
| 0-294133 | ||||||
176 | lastpos = *idx + 1; never executed: lastpos = *idx + 1; | 0 | ||||||
177 | else | - | ||||||
178 | lastpos = 0; executed 294133 times by 1 test: lastpos = 0; Executed by:
| 294133 | ||||||
179 | if (lastpos < 0)
| 0-294133 | ||||||
180 | lastpos = 0; never executed: lastpos = 0; | 0 | ||||||
181 | for (i = lastpos; i < sk_X509_EXTENSION_num(x); i++) {
| 292772-920576 | ||||||
182 | ex = sk_X509_EXTENSION_value(x, i); | - | ||||||
183 | if (OBJ_obj2nid(X509_EXTENSION_get_object(ex)) == nid) {
| 103213-817363 | ||||||
184 | if (idx) {
| 0-103213 | ||||||
185 | *idx = i; | - | ||||||
186 | found_ex = ex; | - | ||||||
187 | break; never executed: break; | 0 | ||||||
188 | } else if (found_ex) {
| 1361-101852 | ||||||
189 | /* Found more than one */ | - | ||||||
190 | if (crit)
| 418-943 | ||||||
191 | *crit = -2; executed 418 times by 1 test: *crit = -2; Executed by:
| 418 | ||||||
192 | return NULL; executed 1361 times by 1 test: return ((void *)0) ; Executed by:
| 1361 | ||||||
193 | } | - | ||||||
194 | found_ex = ex; | - | ||||||
195 | } executed 101852 times by 1 test: end of block Executed by:
| 101852 | ||||||
196 | } executed 919215 times by 1 test: end of block Executed by:
| 919215 | ||||||
197 | if (found_ex) {
| 100491-192281 | ||||||
198 | /* Found it */ | - | ||||||
199 | if (crit)
| 5850-94641 | ||||||
200 | *crit = X509_EXTENSION_get_critical(found_ex); executed 5850 times by 1 test: *crit = X509_EXTENSION_get_critical(found_ex); Executed by:
| 5850 | ||||||
201 | return X509V3_EXT_d2i(found_ex); executed 100491 times by 1 test: return X509V3_EXT_d2i(found_ex); Executed by:
| 100491 | ||||||
202 | } | - | ||||||
203 | - | |||||||
204 | /* Extension not found */ | - | ||||||
205 | if (idx)
| 0-192281 | ||||||
206 | *idx = -1; never executed: *idx = -1; | 0 | ||||||
207 | if (crit)
| 20272-172009 | ||||||
208 | *crit = -1; executed 20272 times by 1 test: *crit = -1; Executed by:
| 20272 | ||||||
209 | return NULL; executed 192281 times by 1 test: return ((void *)0) ; Executed by:
| 192281 | ||||||
210 | } | - | ||||||
211 | - | |||||||
212 | /* | - | ||||||
213 | * This function is a general extension append, replace and delete utility. | - | ||||||
214 | * The precise operation is governed by the 'flags' value. The 'crit' and | - | ||||||
215 | * 'value' arguments (if relevant) are the extensions internal structure. | - | ||||||
216 | */ | - | ||||||
217 | - | |||||||
218 | int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value, | - | ||||||
219 | int crit, unsigned long flags) | - | ||||||
220 | { | - | ||||||
221 | int errcode, extidx = -1; | - | ||||||
222 | X509_EXTENSION *ext = NULL, *extmp; | - | ||||||
223 | STACK_OF(X509_EXTENSION) *ret = NULL; | - | ||||||
224 | unsigned long ext_op = flags & X509V3_ADD_OP_MASK; | - | ||||||
225 | - | |||||||
226 | /* | - | ||||||
227 | * If appending we don't care if it exists, otherwise look for existing | - | ||||||
228 | * extension. | - | ||||||
229 | */ | - | ||||||
230 | if (ext_op != X509V3_ADD_APPEND)
| 0-103 | ||||||
231 | extidx = X509v3_get_ext_by_NID(*x, nid, -1); executed 103 times by 1 test: extidx = X509v3_get_ext_by_NID(*x, nid, -1); Executed by:
| 103 | ||||||
232 | - | |||||||
233 | /* See if extension exists */ | - | ||||||
234 | if (extidx >= 0) {
| 0-103 | ||||||
235 | /* If keep existing, nothing to do */ | - | ||||||
236 | if (ext_op == X509V3_ADD_KEEP_EXISTING)
| 0 | ||||||
237 | return 1; never executed: return 1; | 0 | ||||||
238 | /* If default then its an error */ | - | ||||||
239 | if (ext_op == X509V3_ADD_DEFAULT) {
| 0 | ||||||
240 | errcode = X509V3_R_EXTENSION_EXISTS; | - | ||||||
241 | goto err; never executed: goto err; | 0 | ||||||
242 | } | - | ||||||
243 | /* If delete, just delete it */ | - | ||||||
244 | if (ext_op == X509V3_ADD_DELETE) {
| 0 | ||||||
245 | if (!sk_X509_EXTENSION_delete(*x, extidx))
| 0 | ||||||
246 | return -1; never executed: return -1; | 0 | ||||||
247 | return 1; never executed: return 1; | 0 | ||||||
248 | } | - | ||||||
249 | } else { never executed: end of block | 0 | ||||||
250 | /* | - | ||||||
251 | * If replace existing or delete, error since extension must exist | - | ||||||
252 | */ | - | ||||||
253 | if ((ext_op == X509V3_ADD_REPLACE_EXISTING) ||
| 0-103 | ||||||
254 | (ext_op == X509V3_ADD_DELETE)) {
| 0-103 | ||||||
255 | errcode = X509V3_R_EXTENSION_NOT_FOUND; | - | ||||||
256 | goto err; never executed: goto err; | 0 | ||||||
257 | } | - | ||||||
258 | } executed 103 times by 1 test: end of block Executed by:
| 103 | ||||||
259 | - | |||||||
260 | /* | - | ||||||
261 | * If we get this far then we have to create an extension: could have | - | ||||||
262 | * some flags for alternative encoding schemes... | - | ||||||
263 | */ | - | ||||||
264 | - | |||||||
265 | ext = X509V3_EXT_i2d(nid, crit, value); | - | ||||||
266 | - | |||||||
267 | if (!ext) {
| 0-103 | ||||||
268 | X509V3err(X509V3_F_X509V3_ADD1_I2D, | - | ||||||
269 | X509V3_R_ERROR_CREATING_EXTENSION); | - | ||||||
270 | return 0; never executed: return 0; | 0 | ||||||
271 | } | - | ||||||
272 | - | |||||||
273 | /* If extension exists replace it.. */ | - | ||||||
274 | if (extidx >= 0) {
| 0-103 | ||||||
275 | extmp = sk_X509_EXTENSION_value(*x, extidx); | - | ||||||
276 | X509_EXTENSION_free(extmp); | - | ||||||
277 | if (!sk_X509_EXTENSION_set(*x, extidx, ext))
| 0 | ||||||
278 | return -1; never executed: return -1; | 0 | ||||||
279 | return 1; never executed: return 1; | 0 | ||||||
280 | } | - | ||||||
281 | - | |||||||
282 | ret = *x; | - | ||||||
283 | if (*x == NULL
| 0-103 | ||||||
284 | && (ret = sk_X509_EXTENSION_new_null()) == NULL)
| 0-103 | ||||||
285 | goto m_fail; never executed: goto m_fail; | 0 | ||||||
286 | if (!sk_X509_EXTENSION_push(ret, ext))
| 0-103 | ||||||
287 | goto m_fail; never executed: goto m_fail; | 0 | ||||||
288 | - | |||||||
289 | *x = ret; | - | ||||||
290 | return 1; executed 103 times by 1 test: return 1; Executed by:
| 103 | ||||||
291 | - | |||||||
292 | m_fail: | - | ||||||
293 | /* X509V3err(X509V3_F_X509V3_ADD1_I2D, ERR_R_MALLOC_FAILURE); */ | - | ||||||
294 | if (ret != *x)
| 0 | ||||||
295 | sk_X509_EXTENSION_free(ret); never executed: sk_X509_EXTENSION_free(ret); | 0 | ||||||
296 | X509_EXTENSION_free(ext); | - | ||||||
297 | return -1; never executed: return -1; | 0 | ||||||
298 | - | |||||||
299 | err: | - | ||||||
300 | if (!(flags & X509V3_ADD_SILENT))
| 0 | ||||||
301 | X509V3err(X509V3_F_X509V3_ADD1_I2D, errcode); never executed: ERR_put_error(34,(140),(errcode),__FILE__,301); | 0 | ||||||
302 | return 0; never executed: return 0; | 0 | ||||||
303 | } | - | ||||||
Source code | Switch to Preprocessed file |