diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509/x509name.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509/x509name.c | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509/x509name.c b/openssl-1.1.0h/crypto/x509/x509name.c new file mode 100644 index 0000000..f87dc7d --- /dev/null +++ b/openssl-1.1.0h/crypto/x509/x509name.c @@ -0,0 +1,358 @@ +/* + * 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 "internal/x509_int.h" + +int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len) +{ + ASN1_OBJECT *obj; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) + return (-1); + return (X509_NAME_get_text_by_OBJ(name, obj, buf, len)); +} + +int X509_NAME_get_text_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, char *buf, + int len) +{ + int i; + const ASN1_STRING *data; + + i = X509_NAME_get_index_by_OBJ(name, obj, -1); + if (i < 0) + return (-1); + data = X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name, i)); + i = (data->length > (len - 1)) ? (len - 1) : data->length; + if (buf == NULL) + return (data->length); + memcpy(buf, data->data, i); + buf[i] = '\0'; + return (i); +} + +int X509_NAME_entry_count(const X509_NAME *name) +{ + if (name == NULL) + return (0); + return (sk_X509_NAME_ENTRY_num(name->entries)); +} + +int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos) +{ + ASN1_OBJECT *obj; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) + return (-2); + return (X509_NAME_get_index_by_OBJ(name, obj, lastpos)); +} + +/* NOTE: you should be passing -1, not 0 as lastpos */ +int X509_NAME_get_index_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, int lastpos) +{ + int n; + X509_NAME_ENTRY *ne; + STACK_OF(X509_NAME_ENTRY) *sk; + + if (name == NULL) + return (-1); + if (lastpos < 0) + lastpos = -1; + sk = name->entries; + n = sk_X509_NAME_ENTRY_num(sk); + for (lastpos++; lastpos < n; lastpos++) { + ne = sk_X509_NAME_ENTRY_value(sk, lastpos); + if (OBJ_cmp(ne->object, obj) == 0) + return (lastpos); + } + return (-1); +} + +X509_NAME_ENTRY *X509_NAME_get_entry(const X509_NAME *name, int loc) +{ + if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc + || loc < 0) + return (NULL); + else + return (sk_X509_NAME_ENTRY_value(name->entries, loc)); +} + +X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc) +{ + X509_NAME_ENTRY *ret; + int i, n, set_prev, set_next; + STACK_OF(X509_NAME_ENTRY) *sk; + + if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc + || loc < 0) + return (NULL); + sk = name->entries; + ret = sk_X509_NAME_ENTRY_delete(sk, loc); + n = sk_X509_NAME_ENTRY_num(sk); + name->modified = 1; + if (loc == n) + return (ret); + + /* else we need to fixup the set field */ + if (loc != 0) + set_prev = (sk_X509_NAME_ENTRY_value(sk, loc - 1))->set; + else + set_prev = ret->set - 1; + set_next = sk_X509_NAME_ENTRY_value(sk, loc)->set; + + /*- + * set_prev is the previous set + * set is the current set + * set_next is the following + * prev 1 1 1 1 1 1 1 1 + * set 1 1 2 2 + * next 1 1 2 2 2 2 3 2 + * so basically only if prev and next differ by 2, then + * re-number down by 1 + */ + if (set_prev + 1 < set_next) + for (i = loc; i < n; i++) + sk_X509_NAME_ENTRY_value(sk, i)->set--; + return (ret); +} + +int X509_NAME_add_entry_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, int type, + const unsigned char *bytes, int len, int loc, + int set) +{ + X509_NAME_ENTRY *ne; + int ret; + ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len); + if (!ne) + return 0; + ret = X509_NAME_add_entry(name, ne, loc, set); + X509_NAME_ENTRY_free(ne); + return ret; +} + +int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type, + const unsigned char *bytes, int len, int loc, + int set) +{ + X509_NAME_ENTRY *ne; + int ret; + ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len); + if (!ne) + return 0; + ret = X509_NAME_add_entry(name, ne, loc, set); + X509_NAME_ENTRY_free(ne); + return ret; +} + +int X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type, + const unsigned char *bytes, int len, int loc, + int set) +{ + X509_NAME_ENTRY *ne; + int ret; + ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len); + if (!ne) + return 0; + ret = X509_NAME_add_entry(name, ne, loc, set); + X509_NAME_ENTRY_free(ne); + return ret; +} + +/* + * if set is -1, append to previous set, 0 'a new one', and 1, prepend to the + * guy we are about to stomp on. + */ +int X509_NAME_add_entry(X509_NAME *name, const X509_NAME_ENTRY *ne, int loc, + int set) +{ + X509_NAME_ENTRY *new_name = NULL; + int n, i, inc; + STACK_OF(X509_NAME_ENTRY) *sk; + + if (name == NULL) + return (0); + sk = name->entries; + n = sk_X509_NAME_ENTRY_num(sk); + if (loc > n) + loc = n; + else if (loc < 0) + loc = n; + + name->modified = 1; + + if (set == -1) { + if (loc == 0) { + set = 0; + inc = 1; + } else { + set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set; + inc = 0; + } + } else { /* if (set >= 0) */ + + if (loc >= n) { + if (loc != 0) + set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set + 1; + else + set = 0; + } else + set = sk_X509_NAME_ENTRY_value(sk, loc)->set; + inc = (set == 0) ? 1 : 0; + } + + /* + * X509_NAME_ENTRY_dup is ASN1 generated code, that can't be easily + * const'ified; harmless cast as dup() don't modify its input. + */ + if ((new_name = X509_NAME_ENTRY_dup((X509_NAME_ENTRY *)ne)) == NULL) + goto err; + new_name->set = set; + if (!sk_X509_NAME_ENTRY_insert(sk, new_name, loc)) { + X509err(X509_F_X509_NAME_ADD_ENTRY, ERR_R_MALLOC_FAILURE); + goto err; + } + if (inc) { + n = sk_X509_NAME_ENTRY_num(sk); + for (i = loc + 1; i < n; i++) + sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1; + } + return (1); + err: + X509_NAME_ENTRY_free(new_name); + return (0); +} + +X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne, + const char *field, int type, + const unsigned char *bytes, + int len) +{ + ASN1_OBJECT *obj; + X509_NAME_ENTRY *nentry; + + obj = OBJ_txt2obj(field, 0); + if (obj == NULL) { + X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT, + X509_R_INVALID_FIELD_NAME); + ERR_add_error_data(2, "name=", field); + return (NULL); + } + nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len); + ASN1_OBJECT_free(obj); + return nentry; +} + +X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid, + int type, + const unsigned char *bytes, + int len) +{ + ASN1_OBJECT *obj; + X509_NAME_ENTRY *nentry; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) { + X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID, X509_R_UNKNOWN_NID); + return (NULL); + } + nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len); + ASN1_OBJECT_free(obj); + return nentry; +} + +X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne, + const ASN1_OBJECT *obj, int type, + const unsigned char *bytes, + int len) +{ + X509_NAME_ENTRY *ret; + + if ((ne == NULL) || (*ne == NULL)) { + if ((ret = X509_NAME_ENTRY_new()) == NULL) + return (NULL); + } else + ret = *ne; + + if (!X509_NAME_ENTRY_set_object(ret, obj)) + goto err; + if (!X509_NAME_ENTRY_set_data(ret, type, bytes, len)) + goto err; + + if ((ne != NULL) && (*ne == NULL)) + *ne = ret; + return (ret); + err: + if ((ne == NULL) || (ret != *ne)) + X509_NAME_ENTRY_free(ret); + return (NULL); +} + +int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, const ASN1_OBJECT *obj) +{ + if ((ne == NULL) || (obj == NULL)) { + X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT, + ERR_R_PASSED_NULL_PARAMETER); + return (0); + } + ASN1_OBJECT_free(ne->object); + ne->object = OBJ_dup(obj); + return ((ne->object == NULL) ? 0 : 1); +} + +int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type, + const unsigned char *bytes, int len) +{ + int i; + + if ((ne == NULL) || ((bytes == NULL) && (len != 0))) + return (0); + if ((type > 0) && (type & MBSTRING_FLAG)) + return ASN1_STRING_set_by_NID(&ne->value, bytes, + len, type, + OBJ_obj2nid(ne->object)) ? 1 : 0; + if (len < 0) + len = strlen((const char *)bytes); + i = ASN1_STRING_set(ne->value, bytes, len); + if (!i) + return (0); + if (type != V_ASN1_UNDEF) { + if (type == V_ASN1_APP_CHOOSE) + ne->value->type = ASN1_PRINTABLE_type(bytes, len); + else + ne->value->type = type; + } + return (1); +} + +ASN1_OBJECT *X509_NAME_ENTRY_get_object(const X509_NAME_ENTRY *ne) +{ + if (ne == NULL) + return (NULL); + return (ne->object); +} + +ASN1_STRING *X509_NAME_ENTRY_get_data(const X509_NAME_ENTRY *ne) +{ + if (ne == NULL) + return (NULL); + return (ne->value); +} + +int X509_NAME_ENTRY_set(const X509_NAME_ENTRY *ne) +{ + return ne->set; +} |