Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/asn1/tasn_fre.c |
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1 | /* | - | ||||||||||||
2 | * Copyright 2000-2016 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 <stddef.h> | - | ||||||||||||
11 | #include <openssl/asn1.h> | - | ||||||||||||
12 | #include <openssl/asn1t.h> | - | ||||||||||||
13 | #include <openssl/objects.h> | - | ||||||||||||
14 | #include "asn1_locl.h" | - | ||||||||||||
15 | - | |||||||||||||
16 | /* Free up an ASN1 structure */ | - | ||||||||||||
17 | - | |||||||||||||
18 | void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) | - | ||||||||||||
19 | { | - | ||||||||||||
20 | asn1_item_embed_free(&val, it, 0); | - | ||||||||||||
21 | } executed 1150500 times by 2 tests: end of block Executed by:
| 1150500 | ||||||||||||
22 | - | |||||||||||||
23 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | - | ||||||||||||
24 | { | - | ||||||||||||
25 | asn1_item_embed_free(pval, it, 0); | - | ||||||||||||
26 | } executed 629352 times by 1 test: end of block Executed by:
| 629352 | ||||||||||||
27 | - | |||||||||||||
28 | void asn1_item_embed_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed) | - | ||||||||||||
29 | { | - | ||||||||||||
30 | const ASN1_TEMPLATE *tt = NULL, *seqtt; | - | ||||||||||||
31 | const ASN1_EXTERN_FUNCS *ef; | - | ||||||||||||
32 | const ASN1_AUX *aux = it->funcs; | - | ||||||||||||
33 | ASN1_aux_cb *asn1_cb; | - | ||||||||||||
34 | int i; | - | ||||||||||||
35 | - | |||||||||||||
36 | if (!pval)
| 0-7658496 | ||||||||||||
37 | return; never executed: return; | 0 | ||||||||||||
38 | if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval)
| 873915-4245722 | ||||||||||||
39 | return; executed 873915 times by 1 test: return; Executed by:
| 873915 | ||||||||||||
40 | if (aux && aux->asn1_cb)
| 208407-6050738 | ||||||||||||
41 | asn1_cb = aux->asn1_cb; executed 525436 times by 2 tests: asn1_cb = aux->asn1_cb; Executed by:
| 525436 | ||||||||||||
42 | else | - | ||||||||||||
43 | asn1_cb = 0; executed 6259145 times by 2 tests: asn1_cb = 0; Executed by:
| 6259145 | ||||||||||||
44 | - | |||||||||||||
45 | switch (it->itype) { | - | ||||||||||||
46 | - | |||||||||||||
47 | case ASN1_ITYPE_PRIMITIVE: executed 4245722 times by 2 tests: case 0x0: Executed by:
| 4245722 | ||||||||||||
48 | if (it->templates)
| 191828-4053894 | ||||||||||||
49 | asn1_template_free(pval, it->templates); executed 191828 times by 1 test: asn1_template_free(pval, it->templates); Executed by:
| 191828 | ||||||||||||
50 | else | - | ||||||||||||
51 | asn1_primitive_free(pval, it, embed); executed 4053894 times by 2 tests: asn1_primitive_free(pval, it, embed); Executed by:
| 4053894 | ||||||||||||
52 | break; executed 4245722 times by 2 tests: break; Executed by:
| 4245722 | ||||||||||||
53 | - | |||||||||||||
54 | case ASN1_ITYPE_MSTRING: executed 440593 times by 1 test: case 0x5: Executed by:
| 440593 | ||||||||||||
55 | asn1_primitive_free(pval, it, embed); | - | ||||||||||||
56 | break; executed 440593 times by 1 test: break; Executed by:
| 440593 | ||||||||||||
57 | - | |||||||||||||
58 | case ASN1_ITYPE_CHOICE: executed 221755 times by 1 test: case 0x2: Executed by:
| 221755 | ||||||||||||
59 | if (asn1_cb) {
| 32587-189168 | ||||||||||||
60 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); | - | ||||||||||||
61 | if (i == 2)
| 0-32587 | ||||||||||||
62 | return; never executed: return; | 0 | ||||||||||||
63 | } executed 32587 times by 1 test: end of block Executed by:
| 32587 | ||||||||||||
64 | i = asn1_get_choice_selector(pval, it); | - | ||||||||||||
65 | if ((i >= 0) && (i < it->tcount)) {
| 0-128753 | ||||||||||||
66 | ASN1_VALUE **pchval; | - | ||||||||||||
67 | - | |||||||||||||
68 | tt = it->templates + i; | - | ||||||||||||
69 | pchval = asn1_get_field_ptr(pval, tt); | - | ||||||||||||
70 | asn1_template_free(pchval, tt); | - | ||||||||||||
71 | } executed 128753 times by 1 test: end of block Executed by:
| 128753 | ||||||||||||
72 | if (asn1_cb)
| 32587-189168 | ||||||||||||
73 | asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); executed 32587 times by 1 test: asn1_cb(3, pval, it, ((void *)0) ); Executed by:
| 32587 | ||||||||||||
74 | if (embed == 0) {
| 5986-215769 | ||||||||||||
75 | OPENSSL_free(*pval); | - | ||||||||||||
76 | *pval = NULL; | - | ||||||||||||
77 | } executed 215769 times by 1 test: end of block Executed by:
| 215769 | ||||||||||||
78 | break; executed 221755 times by 1 test: break; Executed by:
| 221755 | ||||||||||||
79 | - | |||||||||||||
80 | case ASN1_ITYPE_EXTERN: executed 162664 times by 1 test: case 0x4: Executed by:
| 162664 | ||||||||||||
81 | ef = it->funcs; | - | ||||||||||||
82 | if (ef && ef->asn1_ex_free)
| 0-162664 | ||||||||||||
83 | ef->asn1_ex_free(pval, it); executed 162664 times by 1 test: ef->asn1_ex_free(pval, it); Executed by:
| 162664 | ||||||||||||
84 | break; executed 162664 times by 1 test: break; Executed by:
| 162664 | ||||||||||||
85 | - | |||||||||||||
86 | case ASN1_ITYPE_NDEF_SEQUENCE: executed 50927 times by 1 test: case 0x6: Executed by:
| 50927 | ||||||||||||
87 | case ASN1_ITYPE_SEQUENCE: executed 1662920 times by 2 tests: case 0x1: Executed by:
| 1662920 | ||||||||||||
88 | if (asn1_do_lock(pval, -1, it) != 0) /* if error or ref-counter > 0 */
| 35281-1678566 | ||||||||||||
89 | return; executed 35281 times by 1 test: return; Executed by:
| 35281 | ||||||||||||
90 | if (asn1_cb) {
| 293216-1385350 | ||||||||||||
91 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); | - | ||||||||||||
92 | if (i == 2)
| 27583-265633 | ||||||||||||
93 | return; executed 27583 times by 1 test: return; Executed by:
| 27583 | ||||||||||||
94 | } executed 265633 times by 1 test: end of block Executed by:
| 265633 | ||||||||||||
95 | asn1_enc_free(pval, it); | - | ||||||||||||
96 | /* | - | ||||||||||||
97 | * If we free up as normal we will invalidate any ANY DEFINED BY | - | ||||||||||||
98 | * field and we won't be able to determine the type of the field it | - | ||||||||||||
99 | * defines. So free up in reverse order. | - | ||||||||||||
100 | */ | - | ||||||||||||
101 | tt = it->templates + it->tcount; | - | ||||||||||||
102 | for (i = 0; i < it->tcount; i++) {
| 1650983-4837158 | ||||||||||||
103 | ASN1_VALUE **pseqval; | - | ||||||||||||
104 | - | |||||||||||||
105 | tt--; | - | ||||||||||||
106 | seqtt = asn1_do_adb(pval, tt, 0); | - | ||||||||||||
107 | if (!seqtt)
| 20812-4816346 | ||||||||||||
108 | continue; executed 20812 times by 1 test: continue; Executed by:
| 20812 | ||||||||||||
109 | pseqval = asn1_get_field_ptr(pval, seqtt); | - | ||||||||||||
110 | asn1_template_free(pseqval, seqtt); | - | ||||||||||||
111 | } executed 4816346 times by 2 tests: end of block Executed by:
| 4816346 | ||||||||||||
112 | if (asn1_cb)
| 265633-1385350 | ||||||||||||
113 | asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); executed 265633 times by 1 test: asn1_cb(3, pval, it, ((void *)0) ); Executed by:
| 265633 | ||||||||||||
114 | if (embed == 0) {
| 312117-1338866 | ||||||||||||
115 | OPENSSL_free(*pval); | - | ||||||||||||
116 | *pval = NULL; | - | ||||||||||||
117 | } executed 1338866 times by 2 tests: end of block Executed by:
| 1338866 | ||||||||||||
118 | break; executed 1650983 times by 2 tests: break; Executed by:
| 1650983 | ||||||||||||
119 | } | - | ||||||||||||
120 | } executed 6721717 times by 2 tests: end of block Executed by:
| 6721717 | ||||||||||||
121 | - | |||||||||||||
122 | void asn1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | - | ||||||||||||
123 | { | - | ||||||||||||
124 | int embed = tt->flags & ASN1_TFLG_EMBED; | - | ||||||||||||
125 | ASN1_VALUE *tval; | - | ||||||||||||
126 | if (embed) {
| 783161-5293230 | ||||||||||||
127 | tval = (ASN1_VALUE *)pval; | - | ||||||||||||
128 | pval = &tval; | - | ||||||||||||
129 | } executed 783161 times by 1 test: end of block Executed by:
| 783161 | ||||||||||||
130 | if (tt->flags & ASN1_TFLG_SK_MASK) {
| 688095-5388296 | ||||||||||||
131 | STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; | - | ||||||||||||
132 | int i; | - | ||||||||||||
133 | - | |||||||||||||
134 | for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
| 490348-688095 | ||||||||||||
135 | ASN1_VALUE *vtmp = sk_ASN1_VALUE_value(sk, i); | - | ||||||||||||
136 | - | |||||||||||||
137 | asn1_item_embed_free(&vtmp, ASN1_ITEM_ptr(tt->item), embed); | - | ||||||||||||
138 | } executed 490348 times by 1 test: end of block Executed by:
| 490348 | ||||||||||||
139 | sk_ASN1_VALUE_free(sk); | - | ||||||||||||
140 | *pval = NULL; | - | ||||||||||||
141 | } else { executed 688095 times by 1 test: end of block Executed by:
| 688095 | ||||||||||||
142 | asn1_item_embed_free(pval, ASN1_ITEM_ptr(tt->item), embed); | - | ||||||||||||
143 | } executed 5388296 times by 2 tests: end of block Executed by:
| 5388296 | ||||||||||||
144 | } | - | ||||||||||||
145 | - | |||||||||||||
146 | void asn1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed) | - | ||||||||||||
147 | { | - | ||||||||||||
148 | int utype; | - | ||||||||||||
149 | - | |||||||||||||
150 | /* Special case: if 'it' is a primitive with a free_func, use that. */ | - | ||||||||||||
151 | if (it) {
| 237207-4494487 | ||||||||||||
152 | const ASN1_PRIMITIVE_FUNCS *pf = it->funcs; | - | ||||||||||||
153 | - | |||||||||||||
154 | if (embed) {
| 465058-4029429 | ||||||||||||
155 | if (pf && pf->prim_clear) {
| 0-373108 | ||||||||||||
156 | pf->prim_clear(pval, it); | - | ||||||||||||
157 | return; executed 91950 times by 1 test: return; Executed by:
| 91950 | ||||||||||||
158 | } | - | ||||||||||||
159 | } else if (pf && pf->prim_free) { executed 373108 times by 1 test: end of block Executed by:
| 0-3957027 | ||||||||||||
160 | pf->prim_free(pval, it); | - | ||||||||||||
161 | return; executed 72402 times by 2 tests: return; Executed by:
| 72402 | ||||||||||||
162 | } | - | ||||||||||||
163 | } executed 4330135 times by 2 tests: end of block Executed by:
| 4330135 | ||||||||||||
164 | - | |||||||||||||
165 | /* Special case: if 'it' is NULL, free contents of ASN1_TYPE */ | - | ||||||||||||
166 | if (!it) {
| 237207-4330135 | ||||||||||||
167 | ASN1_TYPE *typ = (ASN1_TYPE *)*pval; | - | ||||||||||||
168 | - | |||||||||||||
169 | utype = typ->type; | - | ||||||||||||
170 | pval = &typ->value.asn1_value; | - | ||||||||||||
171 | if (!*pval)
| 52418-184789 | ||||||||||||
172 | return; executed 52418 times by 1 test: return; Executed by:
| 52418 | ||||||||||||
173 | } else if (it->itype == ASN1_ITYPE_MSTRING) { executed 184789 times by 1 test: end of block Executed by:
| 184789-3889542 | ||||||||||||
174 | utype = -1; | - | ||||||||||||
175 | if (!*pval)
| 0-440593 | ||||||||||||
176 | return; never executed: return; | 0 | ||||||||||||
177 | } else { executed 440593 times by 1 test: end of block Executed by:
| 440593 | ||||||||||||
178 | utype = it->utype; | - | ||||||||||||
179 | if ((utype != V_ASN1_BOOLEAN) && !*pval)
| 673290-3216252 | ||||||||||||
180 | return; executed 1181928 times by 1 test: return; Executed by:
| 1181928 | ||||||||||||
181 | } executed 2707614 times by 2 tests: end of block Executed by:
| 2707614 | ||||||||||||
182 | - | |||||||||||||
183 | switch (utype) { | - | ||||||||||||
184 | case V_ASN1_OBJECT: executed 974308 times by 1 test: case 6: Executed by:
| 974308 | ||||||||||||
185 | ASN1_OBJECT_free((ASN1_OBJECT *)*pval); | - | ||||||||||||
186 | break; executed 974308 times by 1 test: break; Executed by:
| 974308 | ||||||||||||
187 | - | |||||||||||||
188 | case V_ASN1_BOOLEAN: executed 674231 times by 1 test: case 1: Executed by:
| 674231 | ||||||||||||
189 | if (it)
| 941-673290 | ||||||||||||
190 | *(ASN1_BOOLEAN *)pval = it->size; executed 673290 times by 1 test: *(ASN1_BOOLEAN *)pval = it->size; Executed by:
| 673290 | ||||||||||||
191 | else | - | ||||||||||||
192 | *(ASN1_BOOLEAN *)pval = -1; executed 941 times by 1 test: *(ASN1_BOOLEAN *)pval = -1; Executed by:
| 941 | ||||||||||||
193 | return; executed 674231 times by 1 test: return; Executed by:
| 674231 | ||||||||||||
194 | - | |||||||||||||
195 | case V_ASN1_NULL: executed 1162 times by 1 test: case 5: Executed by:
| 1162 | ||||||||||||
196 | break; executed 1162 times by 1 test: break; Executed by:
| 1162 | ||||||||||||
197 | - | |||||||||||||
198 | case V_ASN1_ANY: executed 237207 times by 1 test: case -4: Executed by:
| 237207 | ||||||||||||
199 | asn1_primitive_free(pval, NULL, 0); | - | ||||||||||||
200 | OPENSSL_free(*pval); | - | ||||||||||||
201 | break; executed 237207 times by 1 test: break; Executed by:
| 237207 | ||||||||||||
202 | - | |||||||||||||
203 | default: executed 1446088 times by 2 tests: default: Executed by:
| 1446088 | ||||||||||||
204 | asn1_string_embed_free((ASN1_STRING *)*pval, embed); | - | ||||||||||||
205 | break; executed 1446088 times by 2 tests: break; Executed by:
| 1446088 | ||||||||||||
206 | } | - | ||||||||||||
207 | *pval = NULL; | - | ||||||||||||
208 | } executed 2658765 times by 2 tests: end of block Executed by:
| 2658765 | ||||||||||||
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