diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/tasn_utl.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/tasn_utl.c | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/src/lib/libcrypto/asn1/tasn_utl.c b/src/lib/libcrypto/asn1/tasn_utl.c index 9715dac931..e1051c2c3e 100644 --- a/src/lib/libcrypto/asn1/tasn_utl.c +++ b/src/lib/libcrypto/asn1/tasn_utl.c | |||
| @@ -10,7 +10,7 @@ | |||
| 10 | * are met: | 10 | * are met: |
| 11 | * | 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright | 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. | 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * | 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in | 16 | * notice, this list of conditions and the following disclaimer in |
| @@ -56,7 +56,6 @@ | |||
| 56 | * | 56 | * |
| 57 | */ | 57 | */ |
| 58 | 58 | ||
| 59 | |||
| 60 | #include <stddef.h> | 59 | #include <stddef.h> |
| 61 | #include <string.h> | 60 | #include <string.h> |
| 62 | #include <openssl/asn1.h> | 61 | #include <openssl/asn1.h> |
| @@ -73,7 +72,8 @@ | |||
| 73 | * the selector value | 72 | * the selector value |
| 74 | */ | 73 | */ |
| 75 | 74 | ||
| 76 | int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it) | 75 | int |
| 76 | asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 77 | { | 77 | { |
| 78 | int *sel = offset2ptr(*pval, it->utype); | 78 | int *sel = offset2ptr(*pval, it->utype); |
| 79 | return *sel; | 79 | return *sel; |
| @@ -83,8 +83,9 @@ int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it) | |||
| 83 | * the selector value, return old value. | 83 | * the selector value, return old value. |
| 84 | */ | 84 | */ |
| 85 | 85 | ||
| 86 | int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) | 86 | int |
| 87 | { | 87 | asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) |
| 88 | { | ||
| 88 | int *sel, ret; | 89 | int *sel, ret; |
| 89 | sel = offset2ptr(*pval, it->utype); | 90 | sel = offset2ptr(*pval, it->utype); |
| 90 | ret = *sel; | 91 | ret = *sel; |
| @@ -92,18 +93,20 @@ int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) | |||
| 92 | return ret; | 93 | return ret; |
| 93 | } | 94 | } |
| 94 | 95 | ||
| 95 | /* Do reference counting. The value 'op' decides what to do. | 96 | /* Do reference counting. The value 'op' decides what to do. |
| 96 | * if it is +1 then the count is incremented. If op is 0 count is | 97 | * if it is +1 then the count is incremented. If op is 0 count is |
| 97 | * set to 1. If op is -1 count is decremented and the return value | 98 | * set to 1. If op is -1 count is decremented and the return value |
| 98 | * is the current refrence count or 0 if no reference count exists. | 99 | * is the current refrence count or 0 if no reference count exists. |
| 99 | */ | 100 | */ |
| 100 | 101 | ||
| 101 | int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) | 102 | int |
| 103 | asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) | ||
| 102 | { | 104 | { |
| 103 | const ASN1_AUX *aux; | 105 | const ASN1_AUX *aux; |
| 104 | int *lck, ret; | 106 | int *lck, ret; |
| 105 | if ((it->itype != ASN1_ITYPE_SEQUENCE) | 107 | |
| 106 | && (it->itype != ASN1_ITYPE_NDEF_SEQUENCE)) | 108 | if ((it->itype != ASN1_ITYPE_SEQUENCE) && |
| 109 | (it->itype != ASN1_ITYPE_NDEF_SEQUENCE)) | ||
| 107 | return 0; | 110 | return 0; |
| 108 | aux = it->funcs; | 111 | aux = it->funcs; |
| 109 | if (!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) | 112 | if (!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) |
| @@ -117,9 +120,11 @@ int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) | |||
| 117 | return ret; | 120 | return ret; |
| 118 | } | 121 | } |
| 119 | 122 | ||
| 120 | static ASN1_ENCODING *asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) | 123 | static ASN1_ENCODING * |
| 124 | asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 121 | { | 125 | { |
| 122 | const ASN1_AUX *aux; | 126 | const ASN1_AUX *aux; |
| 127 | |||
| 123 | if (!pval || !*pval) | 128 | if (!pval || !*pval) |
| 124 | return NULL; | 129 | return NULL; |
| 125 | aux = it->funcs; | 130 | aux = it->funcs; |
| @@ -128,9 +133,11 @@ static ASN1_ENCODING *asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) | |||
| 128 | return offset2ptr(*pval, aux->enc_offset); | 133 | return offset2ptr(*pval, aux->enc_offset); |
| 129 | } | 134 | } |
| 130 | 135 | ||
| 131 | void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) | 136 | void |
| 137 | asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 132 | { | 138 | { |
| 133 | ASN1_ENCODING *enc; | 139 | ASN1_ENCODING *enc; |
| 140 | |||
| 134 | enc = asn1_get_enc_ptr(pval, it); | 141 | enc = asn1_get_enc_ptr(pval, it); |
| 135 | if (enc) { | 142 | if (enc) { |
| 136 | enc->enc = NULL; | 143 | enc->enc = NULL; |
| @@ -139,9 +146,11 @@ void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) | |||
| 139 | } | 146 | } |
| 140 | } | 147 | } |
| 141 | 148 | ||
| 142 | void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | 149 | void |
| 150 | asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 143 | { | 151 | { |
| 144 | ASN1_ENCODING *enc; | 152 | ASN1_ENCODING *enc; |
| 153 | |||
| 145 | enc = asn1_get_enc_ptr(pval, it); | 154 | enc = asn1_get_enc_ptr(pval, it); |
| 146 | if (enc) { | 155 | if (enc) { |
| 147 | if (enc->enc) | 156 | if (enc->enc) |
| @@ -152,10 +161,12 @@ void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | |||
| 152 | } | 161 | } |
| 153 | } | 162 | } |
| 154 | 163 | ||
| 155 | int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, | 164 | int |
| 156 | const ASN1_ITEM *it) | 165 | asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, |
| 166 | const ASN1_ITEM *it) | ||
| 157 | { | 167 | { |
| 158 | ASN1_ENCODING *enc; | 168 | ASN1_ENCODING *enc; |
| 169 | |||
| 159 | enc = asn1_get_enc_ptr(pval, it); | 170 | enc = asn1_get_enc_ptr(pval, it); |
| 160 | if (!enc) | 171 | if (!enc) |
| 161 | return 1; | 172 | return 1; |
| @@ -171,11 +182,13 @@ int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, | |||
| 171 | 182 | ||
| 172 | return 1; | 183 | return 1; |
| 173 | } | 184 | } |
| 174 | 185 | ||
| 175 | int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, | 186 | int |
| 176 | const ASN1_ITEM *it) | 187 | asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, |
| 188 | const ASN1_ITEM *it) | ||
| 177 | { | 189 | { |
| 178 | ASN1_ENCODING *enc; | 190 | ASN1_ENCODING *enc; |
| 191 | |||
| 179 | enc = asn1_get_enc_ptr(pval, it); | 192 | enc = asn1_get_enc_ptr(pval, it); |
| 180 | if (!enc || enc->modified) | 193 | if (!enc || enc->modified) |
| 181 | return 0; | 194 | return 0; |
| @@ -189,9 +202,11 @@ int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, | |||
| 189 | } | 202 | } |
| 190 | 203 | ||
| 191 | /* Given an ASN1_TEMPLATE get a pointer to a field */ | 204 | /* Given an ASN1_TEMPLATE get a pointer to a field */ |
| 192 | ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | 205 | ASN1_VALUE ** |
| 206 | asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | ||
| 193 | { | 207 | { |
| 194 | ASN1_VALUE **pvaltmp; | 208 | ASN1_VALUE **pvaltmp; |
| 209 | |||
| 195 | if (tt->flags & ASN1_TFLG_COMBINE) | 210 | if (tt->flags & ASN1_TFLG_COMBINE) |
| 196 | return pval; | 211 | return pval; |
| 197 | pvaltmp = offset2ptr(*pval, tt->offset); | 212 | pvaltmp = offset2ptr(*pval, tt->offset); |
| @@ -206,14 +221,15 @@ ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | |||
| 206 | * the relevant ASN1_TEMPLATE in the table and return it. | 221 | * the relevant ASN1_TEMPLATE in the table and return it. |
| 207 | */ | 222 | */ |
| 208 | 223 | ||
| 209 | const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, | 224 | const ASN1_TEMPLATE * |
| 210 | int nullerr) | 225 | asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr) |
| 211 | { | 226 | { |
| 212 | const ASN1_ADB *adb; | 227 | const ASN1_ADB *adb; |
| 213 | const ASN1_ADB_TABLE *atbl; | 228 | const ASN1_ADB_TABLE *atbl; |
| 214 | long selector; | 229 | long selector; |
| 215 | ASN1_VALUE **sfld; | 230 | ASN1_VALUE **sfld; |
| 216 | int i; | 231 | int i; |
| 232 | |||
| 217 | if (!(tt->flags & ASN1_TFLG_ADB_MASK)) | 233 | if (!(tt->flags & ASN1_TFLG_ADB_MASK)) |
| 218 | return tt; | 234 | return tt; |
| 219 | 235 | ||
| @@ -234,9 +250,9 @@ const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, | |||
| 234 | * NB: don't check for NID_undef here because it | 250 | * NB: don't check for NID_undef here because it |
| 235 | * might be a legitimate value in the table | 251 | * might be a legitimate value in the table |
| 236 | */ | 252 | */ |
| 237 | if (tt->flags & ASN1_TFLG_ADB_OID) | 253 | if (tt->flags & ASN1_TFLG_ADB_OID) |
| 238 | selector = OBJ_obj2nid((ASN1_OBJECT *)*sfld); | 254 | selector = OBJ_obj2nid((ASN1_OBJECT *)*sfld); |
| 239 | else | 255 | else |
| 240 | selector = ASN1_INTEGER_get((ASN1_INTEGER *)*sfld); | 256 | selector = ASN1_INTEGER_get((ASN1_INTEGER *)*sfld); |
| 241 | 257 | ||
| 242 | /* Try to find matching entry in table | 258 | /* Try to find matching entry in table |
| @@ -255,13 +271,13 @@ const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, | |||
| 255 | 271 | ||
| 256 | /* No match, return default type */ | 272 | /* No match, return default type */ |
| 257 | if (!adb->default_tt) | 273 | if (!adb->default_tt) |
| 258 | goto err; | 274 | goto err; |
| 259 | return adb->default_tt; | 275 | return adb->default_tt; |
| 260 | 276 | ||
| 261 | err: | 277 | err: |
| 262 | /* FIXME: should log the value or OID of unsupported type */ | 278 | /* FIXME: should log the value or OID of unsupported type */ |
| 263 | if (nullerr) | 279 | if (nullerr) |
| 264 | ASN1err(ASN1_F_ASN1_DO_ADB, | 280 | ASN1err(ASN1_F_ASN1_DO_ADB, |
| 265 | ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); | 281 | ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); |
| 266 | return NULL; | 282 | return NULL; |
| 267 | } | 283 | } |
