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Commit | Line | Data |
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b1322259 | 1 | /* |
454afd98 | 2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
3e4b43b9 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
1f5e0f92 | 12 | #include <openssl/safestack.h> |
ec577822 BM |
13 | #include <openssl/asn1.h> |
14 | #include <openssl/objects.h> | |
15 | #include <openssl/evp.h> | |
16 | #include <openssl/x509.h> | |
13938ace | 17 | #include <openssl/x509v3.h> |
706457b7 | 18 | #include "x509_local.h" |
d02b48c6 | 19 | |
0b3f827c | 20 | int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x) |
0f113f3e | 21 | { |
dd1f2842 PH |
22 | int ret; |
23 | ||
0f113f3e | 24 | if (x == NULL) |
26a7d938 | 25 | return 0; |
dd1f2842 PH |
26 | ret = sk_X509_EXTENSION_num(x); |
27 | return ret > 0 ? ret : 0; | |
0f113f3e | 28 | } |
d02b48c6 | 29 | |
0b3f827c | 30 | int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid, |
0f113f3e MC |
31 | int lastpos) |
32 | { | |
33 | ASN1_OBJECT *obj; | |
d02b48c6 | 34 | |
0f113f3e MC |
35 | obj = OBJ_nid2obj(nid); |
36 | if (obj == NULL) | |
26a7d938 K |
37 | return -2; |
38 | return X509v3_get_ext_by_OBJ(x, obj, lastpos); | |
0f113f3e | 39 | } |
d02b48c6 | 40 | |
0f113f3e | 41 | int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk, |
c47ba4e9 | 42 | const ASN1_OBJECT *obj, int lastpos) |
0f113f3e MC |
43 | { |
44 | int n; | |
45 | X509_EXTENSION *ex; | |
d02b48c6 | 46 | |
0f113f3e | 47 | if (sk == NULL) |
26a7d938 | 48 | return -1; |
0f113f3e MC |
49 | lastpos++; |
50 | if (lastpos < 0) | |
51 | lastpos = 0; | |
52 | n = sk_X509_EXTENSION_num(sk); | |
53 | for (; lastpos < n; lastpos++) { | |
54 | ex = sk_X509_EXTENSION_value(sk, lastpos); | |
55 | if (OBJ_cmp(ex->object, obj) == 0) | |
26a7d938 | 56 | return lastpos; |
0f113f3e | 57 | } |
26a7d938 | 58 | return -1; |
0f113f3e | 59 | } |
d02b48c6 | 60 | |
0b3f827c | 61 | int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit, |
0f113f3e MC |
62 | int lastpos) |
63 | { | |
64 | int n; | |
65 | X509_EXTENSION *ex; | |
d02b48c6 | 66 | |
0f113f3e | 67 | if (sk == NULL) |
26a7d938 | 68 | return -1; |
0f113f3e MC |
69 | lastpos++; |
70 | if (lastpos < 0) | |
71 | lastpos = 0; | |
72 | n = sk_X509_EXTENSION_num(sk); | |
73 | for (; lastpos < n; lastpos++) { | |
74 | ex = sk_X509_EXTENSION_value(sk, lastpos); | |
75 | if (((ex->critical > 0) && crit) || ((ex->critical <= 0) && !crit)) | |
26a7d938 | 76 | return lastpos; |
0f113f3e | 77 | } |
26a7d938 | 78 | return -1; |
0f113f3e | 79 | } |
d02b48c6 | 80 | |
0b3f827c | 81 | X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc) |
0f113f3e MC |
82 | { |
83 | if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0) | |
84 | return NULL; | |
85 | else | |
86 | return sk_X509_EXTENSION_value(x, loc); | |
87 | } | |
d02b48c6 | 88 | |
0b3f827c | 89 | X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc) |
0f113f3e MC |
90 | { |
91 | X509_EXTENSION *ret; | |
d02b48c6 | 92 | |
0f113f3e | 93 | if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0) |
26a7d938 | 94 | return NULL; |
0f113f3e | 95 | ret = sk_X509_EXTENSION_delete(x, loc); |
26a7d938 | 96 | return ret; |
0f113f3e | 97 | } |
d02b48c6 | 98 | |
0b3f827c | 99 | STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x, |
0f113f3e MC |
100 | X509_EXTENSION *ex, int loc) |
101 | { | |
102 | X509_EXTENSION *new_ex = NULL; | |
103 | int n; | |
104 | STACK_OF(X509_EXTENSION) *sk = NULL; | |
d02b48c6 | 105 | |
0f113f3e | 106 | if (x == NULL) { |
9311d0c4 | 107 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); |
e077455e | 108 | goto err; |
0f113f3e | 109 | } |
c755c5fd | 110 | |
0f113f3e | 111 | if (*x == NULL) { |
e077455e RL |
112 | if ((sk = sk_X509_EXTENSION_new_null()) == NULL) { |
113 | ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB); | |
0f113f3e | 114 | goto err; |
e077455e | 115 | } |
0f113f3e MC |
116 | } else |
117 | sk = *x; | |
d02b48c6 | 118 | |
0f113f3e MC |
119 | n = sk_X509_EXTENSION_num(sk); |
120 | if (loc > n) | |
121 | loc = n; | |
122 | else if (loc < 0) | |
123 | loc = n; | |
d02b48c6 | 124 | |
e077455e RL |
125 | if ((new_ex = X509_EXTENSION_dup(ex)) == NULL) { |
126 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); | |
0f113f3e | 127 | goto err; |
e077455e RL |
128 | } |
129 | if (!sk_X509_EXTENSION_insert(sk, new_ex, loc)) { | |
130 | ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB); | |
131 | goto err; | |
132 | } | |
0f113f3e MC |
133 | if (*x == NULL) |
134 | *x = sk; | |
26a7d938 | 135 | return sk; |
0f113f3e | 136 | err: |
222561fe | 137 | X509_EXTENSION_free(new_ex); |
abcf2411 PK |
138 | if (x != NULL && *x == NULL) |
139 | sk_X509_EXTENSION_free(sk); | |
26a7d938 | 140 | return NULL; |
0f113f3e | 141 | } |
d02b48c6 | 142 | |
6b691a5c | 143 | X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid, |
0f113f3e MC |
144 | int crit, |
145 | ASN1_OCTET_STRING *data) | |
146 | { | |
147 | ASN1_OBJECT *obj; | |
148 | X509_EXTENSION *ret; | |
d02b48c6 | 149 | |
0f113f3e MC |
150 | obj = OBJ_nid2obj(nid); |
151 | if (obj == NULL) { | |
9311d0c4 | 152 | ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID); |
26a7d938 | 153 | return NULL; |
0f113f3e MC |
154 | } |
155 | ret = X509_EXTENSION_create_by_OBJ(ex, obj, crit, data); | |
156 | if (ret == NULL) | |
157 | ASN1_OBJECT_free(obj); | |
26a7d938 | 158 | return ret; |
0f113f3e | 159 | } |
d02b48c6 | 160 | |
6b691a5c | 161 | X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex, |
c47ba4e9 | 162 | const ASN1_OBJECT *obj, int crit, |
0f113f3e MC |
163 | ASN1_OCTET_STRING *data) |
164 | { | |
165 | X509_EXTENSION *ret; | |
166 | ||
167 | if ((ex == NULL) || (*ex == NULL)) { | |
168 | if ((ret = X509_EXTENSION_new()) == NULL) { | |
e077455e | 169 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); |
26a7d938 | 170 | return NULL; |
0f113f3e MC |
171 | } |
172 | } else | |
173 | ret = *ex; | |
d02b48c6 | 174 | |
0f113f3e MC |
175 | if (!X509_EXTENSION_set_object(ret, obj)) |
176 | goto err; | |
177 | if (!X509_EXTENSION_set_critical(ret, crit)) | |
178 | goto err; | |
179 | if (!X509_EXTENSION_set_data(ret, data)) | |
180 | goto err; | |
d02b48c6 | 181 | |
0f113f3e MC |
182 | if ((ex != NULL) && (*ex == NULL)) |
183 | *ex = ret; | |
26a7d938 | 184 | return ret; |
0f113f3e MC |
185 | err: |
186 | if ((ex == NULL) || (ret != *ex)) | |
187 | X509_EXTENSION_free(ret); | |
26a7d938 | 188 | return NULL; |
0f113f3e | 189 | } |
d02b48c6 | 190 | |
c47ba4e9 | 191 | int X509_EXTENSION_set_object(X509_EXTENSION *ex, const ASN1_OBJECT *obj) |
0f113f3e MC |
192 | { |
193 | if ((ex == NULL) || (obj == NULL)) | |
26a7d938 | 194 | return 0; |
0f113f3e MC |
195 | ASN1_OBJECT_free(ex->object); |
196 | ex->object = OBJ_dup(obj); | |
4e0e4d29 | 197 | return ex->object != NULL; |
0f113f3e | 198 | } |
d02b48c6 | 199 | |
6b691a5c | 200 | int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit) |
0f113f3e MC |
201 | { |
202 | if (ex == NULL) | |
26a7d938 | 203 | return 0; |
0f113f3e | 204 | ex->critical = (crit) ? 0xFF : -1; |
208fb891 | 205 | return 1; |
0f113f3e | 206 | } |
d02b48c6 | 207 | |
6b691a5c | 208 | int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data) |
0f113f3e MC |
209 | { |
210 | int i; | |
d02b48c6 | 211 | |
0f113f3e | 212 | if (ex == NULL) |
26a7d938 | 213 | return 0; |
4392479c | 214 | i = ASN1_OCTET_STRING_set(&ex->value, data->data, data->length); |
0f113f3e | 215 | if (!i) |
26a7d938 | 216 | return 0; |
208fb891 | 217 | return 1; |
0f113f3e | 218 | } |
d02b48c6 | 219 | |
6b691a5c | 220 | ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex) |
0f113f3e MC |
221 | { |
222 | if (ex == NULL) | |
26a7d938 K |
223 | return NULL; |
224 | return ex->object; | |
0f113f3e | 225 | } |
d02b48c6 | 226 | |
6b691a5c | 227 | ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex) |
0f113f3e MC |
228 | { |
229 | if (ex == NULL) | |
26a7d938 | 230 | return NULL; |
4392479c | 231 | return &ex->value; |
0f113f3e | 232 | } |
d02b48c6 | 233 | |
7569362e | 234 | int X509_EXTENSION_get_critical(const X509_EXTENSION *ex) |
0f113f3e MC |
235 | { |
236 | if (ex == NULL) | |
26a7d938 | 237 | return 0; |
0f113f3e MC |
238 | if (ex->critical > 0) |
239 | return 1; | |
240 | return 0; | |
241 | } |