diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/tasn_utl.c')
-rw-r--r-- | src/lib/libcrypto/asn1/tasn_utl.c | 128 |
1 files changed, 51 insertions, 77 deletions
diff --git a/src/lib/libcrypto/asn1/tasn_utl.c b/src/lib/libcrypto/asn1/tasn_utl.c index 34d520b180..8996ce8c13 100644 --- a/src/lib/libcrypto/asn1/tasn_utl.c +++ b/src/lib/libcrypto/asn1/tasn_utl.c | |||
@@ -3,7 +3,7 @@ | |||
3 | * project 2000. | 3 | * project 2000. |
4 | */ | 4 | */ |
5 | /* ==================================================================== | 5 | /* ==================================================================== |
6 | * Copyright (c) 2000-2004 The OpenSSL Project. All rights reserved. | 6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
7 | * | 7 | * |
8 | * Redistribution and use in source and binary forms, with or without | 8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions | 9 | * modification, are permitted provided that the following conditions |
@@ -74,23 +74,23 @@ | |||
74 | */ | 74 | */ |
75 | 75 | ||
76 | int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it) | 76 | int 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; |
80 | } | 80 | } |
81 | 81 | ||
82 | /* Given an ASN1_ITEM CHOICE type set | 82 | /* Given an ASN1_ITEM CHOICE type set |
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 asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) |
87 | { | 87 | { |
88 | int *sel, ret; | 88 | int *sel, ret; |
89 | sel = offset2ptr(*pval, it->utype); | 89 | sel = offset2ptr(*pval, it->utype); |
90 | ret = *sel; | 90 | ret = *sel; |
91 | *sel = value; | 91 | *sel = value; |
92 | return ret; | 92 | return ret; |
93 | } | 93 | } |
94 | 94 | ||
95 | /* Do reference counting. The value 'op' decides what to do. | 95 | /* 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 | 96 | * if it is +1 then the count is incremented. If op is 0 count is |
@@ -99,134 +99,114 @@ int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) | |||
99 | */ | 99 | */ |
100 | 100 | ||
101 | int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) | 101 | int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) |
102 | { | 102 | { |
103 | const ASN1_AUX *aux; | 103 | const ASN1_AUX *aux; |
104 | int *lck, ret; | 104 | int *lck, ret; |
105 | if ((it->itype != ASN1_ITYPE_SEQUENCE) | 105 | if(it->itype != ASN1_ITYPE_SEQUENCE) return 0; |
106 | && (it->itype != ASN1_ITYPE_NDEF_SEQUENCE)) | ||
107 | return 0; | ||
108 | aux = it->funcs; | 106 | aux = it->funcs; |
109 | if (!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) | 107 | if(!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) return 0; |
110 | return 0; | ||
111 | lck = offset2ptr(*pval, aux->ref_offset); | 108 | lck = offset2ptr(*pval, aux->ref_offset); |
112 | if (op == 0) | 109 | if(op == 0) { |
113 | { | ||
114 | *lck = 1; | 110 | *lck = 1; |
115 | return 1; | 111 | return 1; |
116 | } | 112 | } |
117 | ret = CRYPTO_add(lck, op, aux->ref_lock); | 113 | ret = CRYPTO_add(lck, op, aux->ref_lock); |
118 | #ifdef REF_PRINT | 114 | #ifdef REF_PRINT |
119 | fprintf(stderr, "%s: Reference Count: %d\n", it->sname, *lck); | 115 | fprintf(stderr, "%s: Reference Count: %d\n", it->sname, *lck); |
120 | #endif | 116 | #endif |
121 | #ifdef REF_CHECK | 117 | #ifdef REF_CHECK |
122 | if (ret < 0) | 118 | if(ret < 0) |
123 | fprintf(stderr, "%s, bad reference count\n", it->sname); | 119 | fprintf(stderr, "%s, bad reference count\n", it->sname); |
124 | #endif | 120 | #endif |
125 | return ret; | 121 | return ret; |
126 | } | 122 | } |
127 | 123 | ||
128 | static ASN1_ENCODING *asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) | 124 | static ASN1_ENCODING *asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) |
129 | { | 125 | { |
130 | const ASN1_AUX *aux; | 126 | const ASN1_AUX *aux; |
131 | if (!pval || !*pval) | 127 | if(!pval || !*pval) return NULL; |
132 | return NULL; | ||
133 | aux = it->funcs; | 128 | aux = it->funcs; |
134 | if (!aux || !(aux->flags & ASN1_AFLG_ENCODING)) | 129 | if(!aux || !(aux->flags & ASN1_AFLG_ENCODING)) return NULL; |
135 | return NULL; | ||
136 | return offset2ptr(*pval, aux->enc_offset); | 130 | return offset2ptr(*pval, aux->enc_offset); |
137 | } | 131 | } |
138 | 132 | ||
139 | void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) | 133 | void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) |
140 | { | 134 | { |
141 | ASN1_ENCODING *enc; | 135 | ASN1_ENCODING *enc; |
142 | enc = asn1_get_enc_ptr(pval, it); | 136 | enc = asn1_get_enc_ptr(pval, it); |
143 | if (enc) | 137 | if(enc) { |
144 | { | ||
145 | enc->enc = NULL; | 138 | enc->enc = NULL; |
146 | enc->len = 0; | 139 | enc->len = 0; |
147 | enc->modified = 1; | 140 | enc->modified = 1; |
148 | } | ||
149 | } | 141 | } |
142 | } | ||
150 | 143 | ||
151 | void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | 144 | void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
152 | { | 145 | { |
153 | ASN1_ENCODING *enc; | 146 | ASN1_ENCODING *enc; |
154 | enc = asn1_get_enc_ptr(pval, it); | 147 | enc = asn1_get_enc_ptr(pval, it); |
155 | if (enc) | 148 | if(enc) { |
156 | { | 149 | if(enc->enc) OPENSSL_free(enc->enc); |
157 | if (enc->enc) | ||
158 | OPENSSL_free(enc->enc); | ||
159 | enc->enc = NULL; | 150 | enc->enc = NULL; |
160 | enc->len = 0; | 151 | enc->len = 0; |
161 | enc->modified = 1; | 152 | enc->modified = 1; |
162 | } | ||
163 | } | 153 | } |
154 | } | ||
164 | 155 | ||
165 | int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, | 156 | int asn1_enc_save(ASN1_VALUE **pval, unsigned char *in, int inlen, const ASN1_ITEM *it) |
166 | const ASN1_ITEM *it) | 157 | { |
167 | { | ||
168 | ASN1_ENCODING *enc; | 158 | ASN1_ENCODING *enc; |
169 | enc = asn1_get_enc_ptr(pval, it); | 159 | enc = asn1_get_enc_ptr(pval, it); |
170 | if (!enc) | 160 | if(!enc) return 1; |
171 | return 1; | ||
172 | 161 | ||
173 | if (enc->enc) | 162 | if(enc->enc) OPENSSL_free(enc->enc); |
174 | OPENSSL_free(enc->enc); | ||
175 | enc->enc = OPENSSL_malloc(inlen); | 163 | enc->enc = OPENSSL_malloc(inlen); |
176 | if (!enc->enc) | 164 | if(!enc->enc) return 0; |
177 | return 0; | ||
178 | memcpy(enc->enc, in, inlen); | 165 | memcpy(enc->enc, in, inlen); |
179 | enc->len = inlen; | 166 | enc->len = inlen; |
180 | enc->modified = 0; | 167 | enc->modified = 0; |
181 | 168 | ||
182 | return 1; | 169 | return 1; |
183 | } | 170 | } |
184 | 171 | ||
185 | int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, | 172 | int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it) |
186 | const ASN1_ITEM *it) | 173 | { |
187 | { | ||
188 | ASN1_ENCODING *enc; | 174 | ASN1_ENCODING *enc; |
189 | enc = asn1_get_enc_ptr(pval, it); | 175 | enc = asn1_get_enc_ptr(pval, it); |
190 | if (!enc || enc->modified) | 176 | if(!enc || enc->modified) return 0; |
191 | return 0; | 177 | if(out) { |
192 | if (out) | ||
193 | { | ||
194 | memcpy(*out, enc->enc, enc->len); | 178 | memcpy(*out, enc->enc, enc->len); |
195 | *out += enc->len; | 179 | *out += enc->len; |
196 | } | ||
197 | if (len) | ||
198 | *len = enc->len; | ||
199 | return 1; | ||
200 | } | 180 | } |
181 | if(len) *len = enc->len; | ||
182 | return 1; | ||
183 | } | ||
201 | 184 | ||
202 | /* Given an ASN1_TEMPLATE get a pointer to a field */ | 185 | /* Given an ASN1_TEMPLATE get a pointer to a field */ |
203 | ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | 186 | ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) |
204 | { | 187 | { |
205 | ASN1_VALUE **pvaltmp; | 188 | ASN1_VALUE **pvaltmp; |
206 | if (tt->flags & ASN1_TFLG_COMBINE) | 189 | if(tt->flags & ASN1_TFLG_COMBINE) return pval; |
207 | return pval; | ||
208 | pvaltmp = offset2ptr(*pval, tt->offset); | 190 | pvaltmp = offset2ptr(*pval, tt->offset); |
209 | /* NOTE for BOOLEAN types the field is just a plain | 191 | /* NOTE for BOOLEAN types the field is just a plain |
210 | * int so we can't return int **, so settle for | 192 | * int so we can't return int **, so settle for |
211 | * (int *). | 193 | * (int *). |
212 | */ | 194 | */ |
213 | return pvaltmp; | 195 | return pvaltmp; |
214 | } | 196 | } |
215 | 197 | ||
216 | /* Handle ANY DEFINED BY template, find the selector, look up | 198 | /* Handle ANY DEFINED BY template, find the selector, look up |
217 | * the relevant ASN1_TEMPLATE in the table and return it. | 199 | * the relevant ASN1_TEMPLATE in the table and return it. |
218 | */ | 200 | */ |
219 | 201 | ||
220 | const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, | 202 | const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr) |
221 | int nullerr) | 203 | { |
222 | { | ||
223 | const ASN1_ADB *adb; | 204 | const ASN1_ADB *adb; |
224 | const ASN1_ADB_TABLE *atbl; | 205 | const ASN1_ADB_TABLE *atbl; |
225 | long selector; | 206 | long selector; |
226 | ASN1_VALUE **sfld; | 207 | ASN1_VALUE **sfld; |
227 | int i; | 208 | int i; |
228 | if (!(tt->flags & ASN1_TFLG_ADB_MASK)) | 209 | if(!(tt->flags & ASN1_TFLG_ADB_MASK)) return tt; |
229 | return tt; | ||
230 | 210 | ||
231 | /* Else ANY DEFINED BY ... get the table */ | 211 | /* Else ANY DEFINED BY ... get the table */ |
232 | adb = ASN1_ADB_ptr(tt->item); | 212 | adb = ASN1_ADB_ptr(tt->item); |
@@ -235,18 +215,16 @@ const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, | |||
235 | sfld = offset2ptr(*pval, adb->offset); | 215 | sfld = offset2ptr(*pval, adb->offset); |
236 | 216 | ||
237 | /* Check if NULL */ | 217 | /* Check if NULL */ |
238 | if (!sfld) | 218 | if(!sfld) { |
239 | { | 219 | if(!adb->null_tt) goto err; |
240 | if (!adb->null_tt) | ||
241 | goto err; | ||
242 | return adb->null_tt; | 220 | return adb->null_tt; |
243 | } | 221 | } |
244 | 222 | ||
245 | /* Convert type to a long: | 223 | /* Convert type to a long: |
246 | * NB: don't check for NID_undef here because it | 224 | * NB: don't check for NID_undef here because it |
247 | * might be a legitimate value in the table | 225 | * might be a legitimate value in the table |
248 | */ | 226 | */ |
249 | if (tt->flags & ASN1_TFLG_ADB_OID) | 227 | if(tt->flags & ASN1_TFLG_ADB_OID) |
250 | selector = OBJ_obj2nid((ASN1_OBJECT *)*sfld); | 228 | selector = OBJ_obj2nid((ASN1_OBJECT *)*sfld); |
251 | else | 229 | else |
252 | selector = ASN1_INTEGER_get((ASN1_INTEGER *)*sfld); | 230 | selector = ASN1_INTEGER_get((ASN1_INTEGER *)*sfld); |
@@ -259,21 +237,17 @@ const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, | |||
259 | * linear search. | 237 | * linear search. |
260 | */ | 238 | */ |
261 | 239 | ||
262 | for (atbl = adb->tbl, i = 0; i < adb->tblcount; i++, atbl++) | 240 | for(atbl = adb->tbl, i = 0; i < adb->tblcount; i++, atbl++) |
263 | if (atbl->value == selector) | 241 | if(atbl->value == selector) return &atbl->tt; |
264 | return &atbl->tt; | ||
265 | 242 | ||
266 | /* FIXME: need to search application table too */ | 243 | /* FIXME: need to search application table too */ |
267 | 244 | ||
268 | /* No match, return default type */ | 245 | /* No match, return default type */ |
269 | if (!adb->default_tt) | 246 | if(!adb->default_tt) goto err; |
270 | goto err; | ||
271 | return adb->default_tt; | 247 | return adb->default_tt; |
272 | 248 | ||
273 | err: | 249 | err: |
274 | /* FIXME: should log the value or OID of unsupported type */ | 250 | /* FIXME: should log the value or OID of unsupported type */ |
275 | if (nullerr) | 251 | if(nullerr) ASN1err(ASN1_F_ASN1_DO_ADB, ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); |
276 | ASN1err(ASN1_F_ASN1_DO_ADB, | ||
277 | ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); | ||
278 | return NULL; | 252 | return NULL; |
279 | } | 253 | } |