Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/asn1/tasn_fre.c |
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1 | /* $OpenBSD: tasn_fre.c,v 1.16 2018/04/06 12:16:06 bluhm Exp $ */ | - | ||||||||||||
2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | - | ||||||||||||
3 | * project 2000. | - | ||||||||||||
4 | */ | - | ||||||||||||
5 | /* ==================================================================== | - | ||||||||||||
6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | - | ||||||||||||
7 | * | - | ||||||||||||
8 | * Redistribution and use in source and binary forms, with or without | - | ||||||||||||
9 | * modification, are permitted provided that the following conditions | - | ||||||||||||
10 | * are met: | - | ||||||||||||
11 | * | - | ||||||||||||
12 | * 1. Redistributions of source code must retain the above copyright | - | ||||||||||||
13 | * notice, this list of conditions and the following disclaimer. | - | ||||||||||||
14 | * | - | ||||||||||||
15 | * 2. Redistributions in binary form must reproduce the above copyright | - | ||||||||||||
16 | * notice, this list of conditions and the following disclaimer in | - | ||||||||||||
17 | * the documentation and/or other materials provided with the | - | ||||||||||||
18 | * distribution. | - | ||||||||||||
19 | * | - | ||||||||||||
20 | * 3. All advertising materials mentioning features or use of this | - | ||||||||||||
21 | * software must display the following acknowledgment: | - | ||||||||||||
22 | * "This product includes software developed by the OpenSSL Project | - | ||||||||||||
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | - | ||||||||||||
24 | * | - | ||||||||||||
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | - | ||||||||||||
26 | * endorse or promote products derived from this software without | - | ||||||||||||
27 | * prior written permission. For written permission, please contact | - | ||||||||||||
28 | * licensing@OpenSSL.org. | - | ||||||||||||
29 | * | - | ||||||||||||
30 | * 5. Products derived from this software may not be called "OpenSSL" | - | ||||||||||||
31 | * nor may "OpenSSL" appear in their names without prior written | - | ||||||||||||
32 | * permission of the OpenSSL Project. | - | ||||||||||||
33 | * | - | ||||||||||||
34 | * 6. Redistributions of any form whatsoever must retain the following | - | ||||||||||||
35 | * acknowledgment: | - | ||||||||||||
36 | * "This product includes software developed by the OpenSSL Project | - | ||||||||||||
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | - | ||||||||||||
38 | * | - | ||||||||||||
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | - | ||||||||||||
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | - | ||||||||||||
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | - | ||||||||||||
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | - | ||||||||||||
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | - | ||||||||||||
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | - | ||||||||||||
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | - | ||||||||||||
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | - | ||||||||||||
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | - | ||||||||||||
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - | ||||||||||||
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | - | ||||||||||||
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | - | ||||||||||||
51 | * ==================================================================== | - | ||||||||||||
52 | * | - | ||||||||||||
53 | * This product includes cryptographic software written by Eric Young | - | ||||||||||||
54 | * (eay@cryptsoft.com). This product includes software written by Tim | - | ||||||||||||
55 | * Hudson (tjh@cryptsoft.com). | - | ||||||||||||
56 | * | - | ||||||||||||
57 | */ | - | ||||||||||||
58 | - | |||||||||||||
59 | - | |||||||||||||
60 | #include <stddef.h> | - | ||||||||||||
61 | #include <openssl/asn1.h> | - | ||||||||||||
62 | #include <openssl/asn1t.h> | - | ||||||||||||
63 | #include <openssl/objects.h> | - | ||||||||||||
64 | - | |||||||||||||
65 | static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, | - | ||||||||||||
66 | int combine); | - | ||||||||||||
67 | - | |||||||||||||
68 | /* Free up an ASN1 structure */ | - | ||||||||||||
69 | - | |||||||||||||
70 | void | - | ||||||||||||
71 | ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) | - | ||||||||||||
72 | { | - | ||||||||||||
73 | asn1_item_combine_free(&val, it, 0); | - | ||||||||||||
74 | } executed 11889 times by 21 tests: end of block Executed by:
| 11889 | ||||||||||||
75 | - | |||||||||||||
76 | void | - | ||||||||||||
77 | ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | - | ||||||||||||
78 | { | - | ||||||||||||
79 | asn1_item_combine_free(pval, it, 0); | - | ||||||||||||
80 | } executed 76 times by 1 test: end of block Executed by:
| 76 | ||||||||||||
81 | - | |||||||||||||
82 | static void | - | ||||||||||||
83 | asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) | - | ||||||||||||
84 | { | - | ||||||||||||
85 | const ASN1_TEMPLATE *tt = NULL, *seqtt; | - | ||||||||||||
86 | const ASN1_EXTERN_FUNCS *ef; | - | ||||||||||||
87 | const ASN1_AUX *aux = it->funcs; | - | ||||||||||||
88 | ASN1_aux_cb *asn1_cb = NULL; | - | ||||||||||||
89 | int i; | - | ||||||||||||
90 | - | |||||||||||||
91 | if (pval == NULL)
| 0-30870 | ||||||||||||
92 | return; never executed: return; | 0 | ||||||||||||
93 | /* For primitive types *pval may be something other than C pointer. */ | - | ||||||||||||
94 | if (it->itype != ASN1_ITYPE_PRIMITIVE && *pval == NULL)
| 3565-15975 | ||||||||||||
95 | return; executed 3565 times by 18 tests: return; Executed by:
| 3565 | ||||||||||||
96 | - | |||||||||||||
97 | if (aux != NULL && aux->asn1_cb != NULL)
| 796-24110 | ||||||||||||
98 | asn1_cb = aux->asn1_cb; executed 2399 times by 9 tests: asn1_cb = aux->asn1_cb; Executed by:
| 2399 | ||||||||||||
99 | - | |||||||||||||
100 | switch (it->itype) { | - | ||||||||||||
101 | case ASN1_ITYPE_PRIMITIVE: executed 14895 times by 14 tests: case 0x0: Executed by:
| 14895 | ||||||||||||
102 | if (it->templates)
| 493-14402 | ||||||||||||
103 | ASN1_template_free(pval, it->templates); executed 493 times by 8 tests: ASN1_template_free(pval, it->templates); Executed by:
| 493 | ||||||||||||
104 | else | - | ||||||||||||
105 | ASN1_primitive_free(pval, it); executed 14402 times by 14 tests: ASN1_primitive_free(pval, it); Executed by:
| 14402 | ||||||||||||
106 | break; executed 14895 times by 14 tests: break; Executed by:
| 14895 | ||||||||||||
107 | - | |||||||||||||
108 | case ASN1_ITYPE_MSTRING: executed 4189 times by 10 tests: case 0x5: Executed by:
| 4189 | ||||||||||||
109 | ASN1_primitive_free(pval, it); | - | ||||||||||||
110 | break; executed 4189 times by 10 tests: break; Executed by:
| 4189 | ||||||||||||
111 | - | |||||||||||||
112 | case ASN1_ITYPE_CHOICE: executed 56 times by 2 tests: case 0x2: Executed by:
| 56 | ||||||||||||
113 | if (asn1_cb) {
| 0-56 | ||||||||||||
114 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); | - | ||||||||||||
115 | if (i == 2)
| 0 | ||||||||||||
116 | return; never executed: return; | 0 | ||||||||||||
117 | } never executed: end of block | 0 | ||||||||||||
118 | i = asn1_get_choice_selector(pval, it); | - | ||||||||||||
119 | if ((i >= 0) && (i < it->tcount)) {
| 0-56 | ||||||||||||
120 | ASN1_VALUE **pchval; | - | ||||||||||||
121 | tt = it->templates + i; | - | ||||||||||||
122 | pchval = asn1_get_field_ptr(pval, tt); | - | ||||||||||||
123 | ASN1_template_free(pchval, tt); | - | ||||||||||||
124 | } executed 56 times by 2 tests: end of block Executed by:
| 56 | ||||||||||||
125 | if (asn1_cb)
| 0-56 | ||||||||||||
126 | asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); never executed: asn1_cb(3, pval, it, ((void *)0) ); | 0 | ||||||||||||
127 | if (!combine) {
| 8-48 | ||||||||||||
128 | free(*pval); | - | ||||||||||||
129 | *pval = NULL; | - | ||||||||||||
130 | } executed 48 times by 1 test: end of block Executed by:
| 48 | ||||||||||||
131 | break; executed 56 times by 2 tests: break; Executed by:
| 56 | ||||||||||||
132 | - | |||||||||||||
133 | case ASN1_ITYPE_EXTERN: executed 550 times by 8 tests: case 0x4: Executed by:
| 550 | ||||||||||||
134 | ef = it->funcs; | - | ||||||||||||
135 | if (ef && ef->asn1_ex_free)
| 0-550 | ||||||||||||
136 | ef->asn1_ex_free(pval, it); executed 550 times by 8 tests: ef->asn1_ex_free(pval, it); Executed by:
| 550 | ||||||||||||
137 | break; executed 550 times by 8 tests: break; Executed by:
| 550 | ||||||||||||
138 | - | |||||||||||||
139 | case ASN1_ITYPE_NDEF_SEQUENCE: executed 11 times by 1 test: case 0x6: Executed by:
| 11 | ||||||||||||
140 | case ASN1_ITYPE_SEQUENCE: executed 7604 times by 10 tests: case 0x1: Executed by:
| 7604 | ||||||||||||
141 | if (asn1_do_lock(pval, -1, it) > 0)
| 550-7065 | ||||||||||||
142 | return; executed 550 times by 4 tests: return; Executed by:
| 550 | ||||||||||||
143 | if (asn1_cb) {
| 507-6558 | ||||||||||||
144 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); | - | ||||||||||||
145 | if (i == 2)
| 0-507 | ||||||||||||
146 | return; never executed: return; | 0 | ||||||||||||
147 | } executed 507 times by 8 tests: end of block Executed by:
| 507 | ||||||||||||
148 | asn1_enc_free(pval, it); | - | ||||||||||||
149 | /* If we free up as normal we will invalidate any | - | ||||||||||||
150 | * ANY DEFINED BY field and we wont be able to | - | ||||||||||||
151 | * determine the type of the field it defines. So | - | ||||||||||||
152 | * free up in reverse order. | - | ||||||||||||
153 | */ | - | ||||||||||||
154 | tt = it->templates + it->tcount - 1; | - | ||||||||||||
155 | for (i = 0; i < it->tcount; tt--, i++) {
| 7065-17163 | ||||||||||||
156 | ASN1_VALUE **pseqval; | - | ||||||||||||
157 | seqtt = asn1_do_adb(pval, tt, 0); | - | ||||||||||||
158 | if (!seqtt)
| 0-17163 | ||||||||||||
159 | continue; never executed: continue; | 0 | ||||||||||||
160 | pseqval = asn1_get_field_ptr(pval, seqtt); | - | ||||||||||||
161 | ASN1_template_free(pseqval, seqtt); | - | ||||||||||||
162 | } executed 17163 times by 10 tests: end of block Executed by:
| 17163 | ||||||||||||
163 | if (asn1_cb)
| 507-6558 | ||||||||||||
164 | asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); executed 507 times by 8 tests: asn1_cb(3, pval, it, ((void *)0) ); Executed by:
| 507 | ||||||||||||
165 | if (!combine) {
| 0-7065 | ||||||||||||
166 | free(*pval); | - | ||||||||||||
167 | *pval = NULL; | - | ||||||||||||
168 | } executed 7065 times by 10 tests: end of block Executed by:
| 7065 | ||||||||||||
169 | break; executed 7065 times by 10 tests: break; Executed by:
| 7065 | ||||||||||||
170 | } | - | ||||||||||||
171 | } executed 26755 times by 14 tests: end of block Executed by:
| 26755 | ||||||||||||
172 | - | |||||||||||||
173 | void | - | ||||||||||||
174 | ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | - | ||||||||||||
175 | { | - | ||||||||||||
176 | int i; | - | ||||||||||||
177 | if (tt->flags & ASN1_TFLG_SK_MASK) {
| 920-18150 | ||||||||||||
178 | STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; | - | ||||||||||||
179 | for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
| 755-920 | ||||||||||||
180 | ASN1_VALUE *vtmp; | - | ||||||||||||
181 | vtmp = sk_ASN1_VALUE_value(sk, i); | - | ||||||||||||
182 | asn1_item_combine_free(&vtmp, tt->item, | - | ||||||||||||
183 | 0); | - | ||||||||||||
184 | } executed 755 times by 8 tests: end of block Executed by:
| 755 | ||||||||||||
185 | sk_ASN1_VALUE_free(sk); | - | ||||||||||||
186 | *pval = NULL; | - | ||||||||||||
187 | } else executed 920 times by 9 tests: end of block Executed by:
| 920 | ||||||||||||
188 | asn1_item_combine_free(pval, tt->item, executed 18150 times by 10 tests: asn1_item_combine_free(pval, tt->item, tt->flags & (0x1<<10)); Executed by:
| 18150 | ||||||||||||
189 | tt->flags & ASN1_TFLG_COMBINE); executed 18150 times by 10 tests: asn1_item_combine_free(pval, tt->item, tt->flags & (0x1<<10)); Executed by:
| 18150 | ||||||||||||
190 | } | - | ||||||||||||
191 | - | |||||||||||||
192 | void | - | ||||||||||||
193 | ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | - | ||||||||||||
194 | { | - | ||||||||||||
195 | int utype; | - | ||||||||||||
196 | if (it) {
| 669-18591 | ||||||||||||
197 | const ASN1_PRIMITIVE_FUNCS *pf; | - | ||||||||||||
198 | pf = it->funcs; | - | ||||||||||||
199 | if (pf && pf->prim_free) {
| 0-17249 | ||||||||||||
200 | pf->prim_free(pval, it); | - | ||||||||||||
201 | return; executed 1342 times by 2 tests: return; Executed by:
| 1342 | ||||||||||||
202 | } | - | ||||||||||||
203 | } executed 17249 times by 13 tests: end of block Executed by:
| 17249 | ||||||||||||
204 | /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ | - | ||||||||||||
205 | if (!it) {
| 669-17249 | ||||||||||||
206 | ASN1_TYPE *typ = (ASN1_TYPE *)*pval; | - | ||||||||||||
207 | utype = typ->type; | - | ||||||||||||
208 | pval = &typ->value.asn1_value; | - | ||||||||||||
209 | if (!*pval)
| 19-650 | ||||||||||||
210 | return; executed 650 times by 7 tests: return; Executed by:
| 650 | ||||||||||||
211 | } else if (it->itype == ASN1_ITYPE_MSTRING) { executed 19 times by 2 tests: end of block Executed by:
| 19-13060 | ||||||||||||
212 | utype = -1; | - | ||||||||||||
213 | if (!*pval)
| 0-4189 | ||||||||||||
214 | return; never executed: return; | 0 | ||||||||||||
215 | } else { executed 4189 times by 10 tests: end of block Executed by:
| 4189 | ||||||||||||
216 | utype = it->utype; | - | ||||||||||||
217 | if ((utype != V_ASN1_BOOLEAN) && !*pval)
| 1355-11705 | ||||||||||||
218 | return; executed 1824 times by 9 tests: return; Executed by:
| 1824 | ||||||||||||
219 | } executed 11236 times by 12 tests: end of block Executed by:
| 11236 | ||||||||||||
220 | - | |||||||||||||
221 | switch (utype) { | - | ||||||||||||
222 | case V_ASN1_OBJECT: executed 5185 times by 8 tests: case 6: Executed by:
| 5185 | ||||||||||||
223 | ASN1_OBJECT_free((ASN1_OBJECT *)*pval); | - | ||||||||||||
224 | break; executed 5185 times by 8 tests: break; Executed by:
| 5185 | ||||||||||||
225 | - | |||||||||||||
226 | case V_ASN1_BOOLEAN: executed 1355 times by 8 tests: case 1: Executed by:
| 1355 | ||||||||||||
227 | if (it)
| 0-1355 | ||||||||||||
228 | *(ASN1_BOOLEAN *)pval = it->size; executed 1355 times by 8 tests: *(ASN1_BOOLEAN *)pval = it->size; Executed by:
| 1355 | ||||||||||||
229 | else | - | ||||||||||||
230 | *(ASN1_BOOLEAN *)pval = -1; never executed: *(ASN1_BOOLEAN *)pval = -1; | 0 | ||||||||||||
231 | return; executed 1355 times by 8 tests: return; Executed by:
| 1355 | ||||||||||||
232 | - | |||||||||||||
233 | case V_ASN1_NULL: never executed: case 5: | 0 | ||||||||||||
234 | break; never executed: break; | 0 | ||||||||||||
235 | - | |||||||||||||
236 | case V_ASN1_ANY: executed 669 times by 7 tests: case -4: Executed by:
| 669 | ||||||||||||
237 | ASN1_primitive_free(pval, NULL); | - | ||||||||||||
238 | free(*pval); | - | ||||||||||||
239 | break; executed 669 times by 7 tests: break; Executed by:
| 669 | ||||||||||||
240 | - | |||||||||||||
241 | default: executed 8235 times by 12 tests: default: Executed by:
| 8235 | ||||||||||||
242 | ASN1_STRING_free((ASN1_STRING *)*pval); | - | ||||||||||||
243 | break; executed 8235 times by 12 tests: break; Executed by:
| 8235 | ||||||||||||
244 | } | - | ||||||||||||
245 | *pval = NULL; | - | ||||||||||||
246 | } executed 14089 times by 12 tests: end of block Executed by:
| 14089 | ||||||||||||
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