diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509/x509_v3.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509/x509_v3.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509/x509_v3.c b/openssl-1.1.0h/crypto/x509/x509_v3.c new file mode 100644 index 0000000..19016bb --- /dev/null +++ b/openssl-1.1.0h/crypto/x509/x509_v3.c @@ -0,0 +1,235 @@ +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/stack.h> +#include <openssl/asn1.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> +#include "x509_lcl.h" + +int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x) +{ + if (x == NULL) + return (0); + return (sk_X509_EXTENSION_num(x)); +} + +int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid, + int lastpos) +{ + ASN1_OBJECT *obj; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) + return (-2); + return (X509v3_get_ext_by_OBJ(x, obj, lastpos)); +} + +int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk, + const ASN1_OBJECT *obj, int lastpos) +{ + int n; + X509_EXTENSION *ex; + + if (sk == NULL) + return (-1); + lastpos++; + if (lastpos < 0) + lastpos = 0; + n = sk_X509_EXTENSION_num(sk); + for (; lastpos < n; lastpos++) { + ex = sk_X509_EXTENSION_value(sk, lastpos); + if (OBJ_cmp(ex->object, obj) == 0) + return (lastpos); + } + return (-1); +} + +int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit, + int lastpos) +{ + int n; + X509_EXTENSION *ex; + + if (sk == NULL) + return (-1); + lastpos++; + if (lastpos < 0) + lastpos = 0; + n = sk_X509_EXTENSION_num(sk); + for (; lastpos < n; lastpos++) { + ex = sk_X509_EXTENSION_value(sk, lastpos); + if (((ex->critical > 0) && crit) || ((ex->critical <= 0) && !crit)) + return (lastpos); + } + return (-1); +} + +X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc) +{ + if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0) + return NULL; + else + return sk_X509_EXTENSION_value(x, loc); +} + +X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc) +{ + X509_EXTENSION *ret; + + if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0) + return (NULL); + ret = sk_X509_EXTENSION_delete(x, loc); + return (ret); +} + +STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x, + X509_EXTENSION *ex, int loc) +{ + X509_EXTENSION *new_ex = NULL; + int n; + STACK_OF(X509_EXTENSION) *sk = NULL; + + if (x == NULL) { + X509err(X509_F_X509V3_ADD_EXT, ERR_R_PASSED_NULL_PARAMETER); + goto err2; + } + + if (*x == NULL) { + if ((sk = sk_X509_EXTENSION_new_null()) == NULL) + goto err; + } else + sk = *x; + + n = sk_X509_EXTENSION_num(sk); + if (loc > n) + loc = n; + else if (loc < 0) + loc = n; + + if ((new_ex = X509_EXTENSION_dup(ex)) == NULL) + goto err2; + if (!sk_X509_EXTENSION_insert(sk, new_ex, loc)) + goto err; + if (*x == NULL) + *x = sk; + return (sk); + err: + X509err(X509_F_X509V3_ADD_EXT, ERR_R_MALLOC_FAILURE); + err2: + X509_EXTENSION_free(new_ex); + if (x != NULL && *x == NULL) + sk_X509_EXTENSION_free(sk); + return (NULL); +} + +X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid, + int crit, + ASN1_OCTET_STRING *data) +{ + ASN1_OBJECT *obj; + X509_EXTENSION *ret; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) { + X509err(X509_F_X509_EXTENSION_CREATE_BY_NID, X509_R_UNKNOWN_NID); + return (NULL); + } + ret = X509_EXTENSION_create_by_OBJ(ex, obj, crit, data); + if (ret == NULL) + ASN1_OBJECT_free(obj); + return (ret); +} + +X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex, + const ASN1_OBJECT *obj, int crit, + ASN1_OCTET_STRING *data) +{ + X509_EXTENSION *ret; + + if ((ex == NULL) || (*ex == NULL)) { + if ((ret = X509_EXTENSION_new()) == NULL) { + X509err(X509_F_X509_EXTENSION_CREATE_BY_OBJ, + ERR_R_MALLOC_FAILURE); + return (NULL); + } + } else + ret = *ex; + + if (!X509_EXTENSION_set_object(ret, obj)) + goto err; + if (!X509_EXTENSION_set_critical(ret, crit)) + goto err; + if (!X509_EXTENSION_set_data(ret, data)) + goto err; + + if ((ex != NULL) && (*ex == NULL)) + *ex = ret; + return (ret); + err: + if ((ex == NULL) || (ret != *ex)) + X509_EXTENSION_free(ret); + return (NULL); +} + +int X509_EXTENSION_set_object(X509_EXTENSION *ex, const ASN1_OBJECT *obj) +{ + if ((ex == NULL) || (obj == NULL)) + return (0); + ASN1_OBJECT_free(ex->object); + ex->object = OBJ_dup(obj); + return ex->object != NULL; +} + +int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit) +{ + if (ex == NULL) + return (0); + ex->critical = (crit) ? 0xFF : -1; + return (1); +} + +int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data) +{ + int i; + + if (ex == NULL) + return (0); + i = ASN1_OCTET_STRING_set(&ex->value, data->data, data->length); + if (!i) + return (0); + return (1); +} + +ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex) +{ + if (ex == NULL) + return (NULL); + return (ex->object); +} + +ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex) +{ + if (ex == NULL) + return (NULL); + return &ex->value; +} + +int X509_EXTENSION_get_critical(const X509_EXTENSION *ex) +{ + if (ex == NULL) + return (0); + if (ex->critical > 0) + return 1; + return 0; +} |