diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509/x509_att.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509/x509_att.c | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509/x509_att.c b/openssl-1.1.0h/crypto/x509/x509_att.c new file mode 100644 index 0000000..836bca5 --- /dev/null +++ b/openssl-1.1.0h/crypto/x509/x509_att.c @@ -0,0 +1,329 @@ +/* + * Copyright 1995-2016 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 X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x) +{ + return sk_X509_ATTRIBUTE_num(x); +} + +int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid, + int lastpos) +{ + const ASN1_OBJECT *obj = OBJ_nid2obj(nid); + + if (obj == NULL) + return (-2); + return (X509at_get_attr_by_OBJ(x, obj, lastpos)); +} + +int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, + const ASN1_OBJECT *obj, int lastpos) +{ + int n; + X509_ATTRIBUTE *ex; + + if (sk == NULL) + return (-1); + lastpos++; + if (lastpos < 0) + lastpos = 0; + n = sk_X509_ATTRIBUTE_num(sk); + for (; lastpos < n; lastpos++) { + ex = sk_X509_ATTRIBUTE_value(sk, lastpos); + if (OBJ_cmp(ex->object, obj) == 0) + return (lastpos); + } + return (-1); +} + +X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc) +{ + if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) + return NULL; + else + return sk_X509_ATTRIBUTE_value(x, loc); +} + +X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc) +{ + X509_ATTRIBUTE *ret; + + if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) + return (NULL); + ret = sk_X509_ATTRIBUTE_delete(x, loc); + return (ret); +} + +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x, + X509_ATTRIBUTE *attr) +{ + X509_ATTRIBUTE *new_attr = NULL; + STACK_OF(X509_ATTRIBUTE) *sk = NULL; + + if (x == NULL) { + X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER); + goto err2; + } + + if (*x == NULL) { + if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL) + goto err; + } else + sk = *x; + + if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL) + goto err2; + if (!sk_X509_ATTRIBUTE_push(sk, new_attr)) + goto err; + if (*x == NULL) + *x = sk; + return (sk); + err: + X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_MALLOC_FAILURE); + err2: + X509_ATTRIBUTE_free(new_attr); + sk_X509_ATTRIBUTE_free(sk); + return (NULL); +} + +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) + **x, const ASN1_OBJECT *obj, + int type, + const unsigned char *bytes, + int len) +{ + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *ret; + attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len); + if (!attr) + return 0; + ret = X509at_add1_attr(x, attr); + X509_ATTRIBUTE_free(attr); + return ret; +} + +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) + **x, int nid, int type, + const unsigned char *bytes, + int len) +{ + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *ret; + attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len); + if (!attr) + return 0; + ret = X509at_add1_attr(x, attr); + X509_ATTRIBUTE_free(attr); + return ret; +} + +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) + **x, const char *attrname, + int type, + const unsigned char *bytes, + int len) +{ + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *ret; + attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len); + if (!attr) + return 0; + ret = X509at_add1_attr(x, attr); + X509_ATTRIBUTE_free(attr); + return ret; +} + +void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x, + const ASN1_OBJECT *obj, int lastpos, int type) +{ + int i; + X509_ATTRIBUTE *at; + i = X509at_get_attr_by_OBJ(x, obj, lastpos); + if (i == -1) + return NULL; + if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1)) + return NULL; + at = X509at_get_attr(x, i); + if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1)) + return NULL; + return X509_ATTRIBUTE_get0_data(at, 0, type, NULL); +} + +X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid, + int atrtype, const void *data, + int len) +{ + ASN1_OBJECT *obj; + X509_ATTRIBUTE *ret; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) { + X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID, X509_R_UNKNOWN_NID); + return (NULL); + } + ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len); + if (ret == NULL) + ASN1_OBJECT_free(obj); + return (ret); +} + +X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, + const ASN1_OBJECT *obj, + int atrtype, const void *data, + int len) +{ + X509_ATTRIBUTE *ret; + + if ((attr == NULL) || (*attr == NULL)) { + if ((ret = X509_ATTRIBUTE_new()) == NULL) { + X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ, + ERR_R_MALLOC_FAILURE); + return (NULL); + } + } else + ret = *attr; + + if (!X509_ATTRIBUTE_set1_object(ret, obj)) + goto err; + if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len)) + goto err; + + if ((attr != NULL) && (*attr == NULL)) + *attr = ret; + return (ret); + err: + if ((attr == NULL) || (ret != *attr)) + X509_ATTRIBUTE_free(ret); + return (NULL); +} + +X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr, + const char *atrname, int type, + const unsigned char *bytes, + int len) +{ + ASN1_OBJECT *obj; + X509_ATTRIBUTE *nattr; + + obj = OBJ_txt2obj(atrname, 0); + if (obj == NULL) { + X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT, + X509_R_INVALID_FIELD_NAME); + ERR_add_error_data(2, "name=", atrname); + return (NULL); + } + nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len); + ASN1_OBJECT_free(obj); + return nattr; +} + +int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj) +{ + if ((attr == NULL) || (obj == NULL)) + return (0); + ASN1_OBJECT_free(attr->object); + attr->object = OBJ_dup(obj); + return attr->object != NULL; +} + +int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, + const void *data, int len) +{ + ASN1_TYPE *ttmp = NULL; + ASN1_STRING *stmp = NULL; + int atype = 0; + if (!attr) + return 0; + if (attrtype & MBSTRING_FLAG) { + stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype, + OBJ_obj2nid(attr->object)); + if (!stmp) { + X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB); + return 0; + } + atype = stmp->type; + } else if (len != -1) { + if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL) + goto err; + if (!ASN1_STRING_set(stmp, data, len)) + goto err; + atype = attrtype; + } + /* + * This is a bit naughty because the attribute should really have at + * least one value but some types use and zero length SET and require + * this. + */ + if (attrtype == 0) { + ASN1_STRING_free(stmp); + return 1; + } + if ((ttmp = ASN1_TYPE_new()) == NULL) + goto err; + if ((len == -1) && !(attrtype & MBSTRING_FLAG)) { + if (!ASN1_TYPE_set1(ttmp, attrtype, data)) + goto err; + } else { + ASN1_TYPE_set(ttmp, atype, stmp); + stmp = NULL; + } + if (!sk_ASN1_TYPE_push(attr->set, ttmp)) + goto err; + return 1; + err: + X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE); + ASN1_TYPE_free(ttmp); + ASN1_STRING_free(stmp); + return 0; +} + +int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr) +{ + if (attr == NULL) + return 0; + return sk_ASN1_TYPE_num(attr->set); +} + +ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr) +{ + if (attr == NULL) + return (NULL); + return (attr->object); +} + +void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, + int atrtype, void *data) +{ + ASN1_TYPE *ttmp; + ttmp = X509_ATTRIBUTE_get0_type(attr, idx); + if (!ttmp) + return NULL; + if (atrtype != ASN1_TYPE_get(ttmp)) { + X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE); + return NULL; + } + return ttmp->value.ptr; +} + +ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx) +{ + if (attr == NULL) + return NULL; + return sk_ASN1_TYPE_value(attr->set, idx); +} |