diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/tasn_fre.c')
-rw-r--r-- | src/lib/libcrypto/asn1/tasn_fre.c | 149 |
1 files changed, 93 insertions, 56 deletions
diff --git a/src/lib/libcrypto/asn1/tasn_fre.c b/src/lib/libcrypto/asn1/tasn_fre.c index 2dd844159e..bb7c1e2af4 100644 --- a/src/lib/libcrypto/asn1/tasn_fre.c +++ b/src/lib/libcrypto/asn1/tasn_fre.c | |||
@@ -67,33 +67,40 @@ static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int c | |||
67 | /* Free up an ASN1 structure */ | 67 | /* Free up an ASN1 structure */ |
68 | 68 | ||
69 | void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) | 69 | void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) |
70 | { | 70 | { |
71 | asn1_item_combine_free(&val, it, 0); | 71 | asn1_item_combine_free(&val, it, 0); |
72 | } | 72 | } |
73 | 73 | ||
74 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | 74 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
75 | { | 75 | { |
76 | asn1_item_combine_free(pval, it, 0); | 76 | asn1_item_combine_free(pval, it, 0); |
77 | } | 77 | } |
78 | 78 | ||
79 | static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) | 79 | static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) |
80 | { | 80 | { |
81 | const ASN1_TEMPLATE *tt = NULL, *seqtt; | 81 | const ASN1_TEMPLATE *tt = NULL, *seqtt; |
82 | const ASN1_EXTERN_FUNCS *ef; | 82 | const ASN1_EXTERN_FUNCS *ef; |
83 | const ASN1_COMPAT_FUNCS *cf; | 83 | const ASN1_COMPAT_FUNCS *cf; |
84 | const ASN1_AUX *aux = it->funcs; | 84 | const ASN1_AUX *aux = it->funcs; |
85 | ASN1_aux_cb *asn1_cb; | 85 | ASN1_aux_cb *asn1_cb; |
86 | int i; | 86 | int i; |
87 | if(!pval) return; | 87 | if (!pval) |
88 | if((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) return; | 88 | return; |
89 | if(aux && aux->asn1_cb) asn1_cb = aux->asn1_cb; | 89 | if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) |
90 | else asn1_cb = 0; | 90 | return; |
91 | if (aux && aux->asn1_cb) | ||
92 | asn1_cb = aux->asn1_cb; | ||
93 | else | ||
94 | asn1_cb = 0; | ||
91 | 95 | ||
92 | switch(it->itype) { | 96 | switch(it->itype) |
97 | { | ||
93 | 98 | ||
94 | case ASN1_ITYPE_PRIMITIVE: | 99 | case ASN1_ITYPE_PRIMITIVE: |
95 | if(it->templates) ASN1_template_free(pval, it->templates); | 100 | if (it->templates) |
96 | else ASN1_primitive_free(pval, it); | 101 | ASN1_template_free(pval, it->templates); |
102 | else | ||
103 | ASN1_primitive_free(pval, it); | ||
97 | break; | 104 | break; |
98 | 105 | ||
99 | case ASN1_ITYPE_MSTRING: | 106 | case ASN1_ITYPE_MSTRING: |
@@ -101,41 +108,51 @@ static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int c | |||
101 | break; | 108 | break; |
102 | 109 | ||
103 | case ASN1_ITYPE_CHOICE: | 110 | case ASN1_ITYPE_CHOICE: |
104 | if(asn1_cb) { | 111 | if (asn1_cb) |
112 | { | ||
105 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); | 113 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); |
106 | if(i == 2) return; | 114 | if (i == 2) |
107 | } | 115 | return; |
116 | } | ||
108 | i = asn1_get_choice_selector(pval, it); | 117 | i = asn1_get_choice_selector(pval, it); |
109 | if(asn1_cb) asn1_cb(ASN1_OP_FREE_PRE, pval, it); | 118 | if ((i >= 0) && (i < it->tcount)) |
110 | if((i >= 0) && (i < it->tcount)) { | 119 | { |
111 | ASN1_VALUE **pchval; | 120 | ASN1_VALUE **pchval; |
112 | tt = it->templates + i; | 121 | tt = it->templates + i; |
113 | pchval = asn1_get_field_ptr(pval, tt); | 122 | pchval = asn1_get_field_ptr(pval, tt); |
114 | ASN1_template_free(pchval, tt); | 123 | ASN1_template_free(pchval, tt); |
115 | } | 124 | } |
116 | if(asn1_cb) asn1_cb(ASN1_OP_FREE_POST, pval, it); | 125 | if (asn1_cb) |
117 | if(!combine) { | 126 | asn1_cb(ASN1_OP_FREE_POST, pval, it); |
127 | if (!combine) | ||
128 | { | ||
118 | OPENSSL_free(*pval); | 129 | OPENSSL_free(*pval); |
119 | *pval = NULL; | 130 | *pval = NULL; |
120 | } | 131 | } |
121 | break; | 132 | break; |
122 | 133 | ||
123 | case ASN1_ITYPE_COMPAT: | 134 | case ASN1_ITYPE_COMPAT: |
124 | cf = it->funcs; | 135 | cf = it->funcs; |
125 | if(cf && cf->asn1_free) cf->asn1_free(*pval); | 136 | if (cf && cf->asn1_free) |
137 | cf->asn1_free(*pval); | ||
126 | break; | 138 | break; |
127 | 139 | ||
128 | case ASN1_ITYPE_EXTERN: | 140 | case ASN1_ITYPE_EXTERN: |
129 | ef = it->funcs; | 141 | ef = it->funcs; |
130 | if(ef && ef->asn1_ex_free) ef->asn1_ex_free(pval, it); | 142 | if (ef && ef->asn1_ex_free) |
143 | ef->asn1_ex_free(pval, it); | ||
131 | break; | 144 | break; |
132 | 145 | ||
146 | case ASN1_ITYPE_NDEF_SEQUENCE: | ||
133 | case ASN1_ITYPE_SEQUENCE: | 147 | case ASN1_ITYPE_SEQUENCE: |
134 | if(asn1_do_lock(pval, -1, it) > 0) return; | 148 | if (asn1_do_lock(pval, -1, it) > 0) |
135 | if(asn1_cb) { | 149 | return; |
150 | if (asn1_cb) | ||
151 | { | ||
136 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); | 152 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); |
137 | if(i == 2) return; | 153 | if (i == 2) |
138 | } | 154 | return; |
155 | } | ||
139 | asn1_enc_free(pval, it); | 156 | asn1_enc_free(pval, it); |
140 | /* If we free up as normal we will invalidate any | 157 | /* If we free up as normal we will invalidate any |
141 | * ANY DEFINED BY field and we wont be able to | 158 | * ANY DEFINED BY field and we wont be able to |
@@ -143,64 +160,84 @@ static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int c | |||
143 | * free up in reverse order. | 160 | * free up in reverse order. |
144 | */ | 161 | */ |
145 | tt = it->templates + it->tcount - 1; | 162 | tt = it->templates + it->tcount - 1; |
146 | for(i = 0; i < it->tcount; tt--, i++) { | 163 | for (i = 0; i < it->tcount; tt--, i++) |
164 | { | ||
147 | ASN1_VALUE **pseqval; | 165 | ASN1_VALUE **pseqval; |
148 | seqtt = asn1_do_adb(pval, tt, 0); | 166 | seqtt = asn1_do_adb(pval, tt, 0); |
149 | if(!seqtt) continue; | 167 | if (!seqtt) |
168 | continue; | ||
150 | pseqval = asn1_get_field_ptr(pval, seqtt); | 169 | pseqval = asn1_get_field_ptr(pval, seqtt); |
151 | ASN1_template_free(pseqval, seqtt); | 170 | ASN1_template_free(pseqval, seqtt); |
152 | } | 171 | } |
153 | if(asn1_cb) asn1_cb(ASN1_OP_FREE_POST, pval, it); | 172 | if (asn1_cb) |
154 | if(!combine) { | 173 | asn1_cb(ASN1_OP_FREE_POST, pval, it); |
174 | if (!combine) | ||
175 | { | ||
155 | OPENSSL_free(*pval); | 176 | OPENSSL_free(*pval); |
156 | *pval = NULL; | 177 | *pval = NULL; |
157 | } | 178 | } |
158 | break; | 179 | break; |
180 | } | ||
159 | } | 181 | } |
160 | } | ||
161 | 182 | ||
162 | void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | 183 | void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) |
163 | { | 184 | { |
164 | int i; | 185 | int i; |
165 | if(tt->flags & ASN1_TFLG_SK_MASK) { | 186 | if (tt->flags & ASN1_TFLG_SK_MASK) |
187 | { | ||
166 | STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; | 188 | STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; |
167 | for(i = 0; i < sk_ASN1_VALUE_num(sk); i++) { | 189 | for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) |
190 | { | ||
168 | ASN1_VALUE *vtmp; | 191 | ASN1_VALUE *vtmp; |
169 | vtmp = sk_ASN1_VALUE_value(sk, i); | 192 | vtmp = sk_ASN1_VALUE_value(sk, i); |
170 | asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), 0); | 193 | asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), |
171 | } | 194 | 0); |
195 | } | ||
172 | sk_ASN1_VALUE_free(sk); | 196 | sk_ASN1_VALUE_free(sk); |
173 | *pval = NULL; | 197 | *pval = NULL; |
174 | } else asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item), | 198 | } |
199 | else | ||
200 | asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item), | ||
175 | tt->flags & ASN1_TFLG_COMBINE); | 201 | tt->flags & ASN1_TFLG_COMBINE); |
176 | } | 202 | } |
177 | 203 | ||
178 | void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | 204 | void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
179 | { | 205 | { |
180 | int utype; | 206 | int utype; |
181 | if(it) { | 207 | if (it) |
208 | { | ||
182 | const ASN1_PRIMITIVE_FUNCS *pf; | 209 | const ASN1_PRIMITIVE_FUNCS *pf; |
183 | pf = it->funcs; | 210 | pf = it->funcs; |
184 | if(pf && pf->prim_free) { | 211 | if (pf && pf->prim_free) |
212 | { | ||
185 | pf->prim_free(pval, it); | 213 | pf->prim_free(pval, it); |
186 | return; | 214 | return; |
215 | } | ||
187 | } | 216 | } |
188 | } | ||
189 | /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ | 217 | /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ |
190 | if(!it) { | 218 | if (!it) |
219 | { | ||
191 | ASN1_TYPE *typ = (ASN1_TYPE *)*pval; | 220 | ASN1_TYPE *typ = (ASN1_TYPE *)*pval; |
192 | utype = typ->type; | 221 | utype = typ->type; |
193 | pval = (ASN1_VALUE **)&typ->value.ptr; | 222 | pval = &typ->value.asn1_value; |
194 | if(!*pval) return; | 223 | if (!*pval) |
195 | } else if(it->itype == ASN1_ITYPE_MSTRING) { | 224 | return; |
225 | } | ||
226 | else if (it->itype == ASN1_ITYPE_MSTRING) | ||
227 | { | ||
196 | utype = -1; | 228 | utype = -1; |
197 | if(!*pval) return; | 229 | if (!*pval) |
198 | } else { | 230 | return; |
231 | } | ||
232 | else | ||
233 | { | ||
199 | utype = it->utype; | 234 | utype = it->utype; |
200 | if((utype != V_ASN1_BOOLEAN) && !*pval) return; | 235 | if ((utype != V_ASN1_BOOLEAN) && !*pval) |
201 | } | 236 | return; |
237 | } | ||
202 | 238 | ||
203 | switch(utype) { | 239 | switch(utype) |
240 | { | ||
204 | case V_ASN1_OBJECT: | 241 | case V_ASN1_OBJECT: |
205 | ASN1_OBJECT_free((ASN1_OBJECT *)*pval); | 242 | ASN1_OBJECT_free((ASN1_OBJECT *)*pval); |
206 | break; | 243 | break; |
@@ -224,6 +261,6 @@ void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | |||
224 | ASN1_STRING_free((ASN1_STRING *)*pval); | 261 | ASN1_STRING_free((ASN1_STRING *)*pval); |
225 | *pval = NULL; | 262 | *pval = NULL; |
226 | break; | 263 | break; |
227 | } | 264 | } |
228 | *pval = NULL; | 265 | *pval = NULL; |
229 | } | 266 | } |