| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/asn1/tasn_fre.c | 
| Source code | Switch to Preprocessed file | 
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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 blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted by: 
 | 7065 | ||||||||||||
| 169 | break; executed 7065 times by 10 tests:  break;Executed by: 
 | 7065 | ||||||||||||
| 170 | } | - | ||||||||||||
| 171 | } executed 26755 times by 14 tests:  end of blockExecuted 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 blockExecuted by: 
 | 755 | ||||||||||||
| 185 | sk_ASN1_VALUE_free(sk); | - | ||||||||||||
| 186 | *pval = NULL; | - | ||||||||||||
| 187 | } else executed 920 times by 9 tests:  end of blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted 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 blockExecuted by: 
 | 14089 | ||||||||||||
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