mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
360 lines
9.9 KiB
C
360 lines
9.9 KiB
C
/*
|
|
* 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/safestack.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));
|
|
if (buf == NULL)
|
|
return data->length;
|
|
if (len <= 0)
|
|
return 0;
|
|
i = (data->length > (len - 1)) ? (len - 1) : 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;
|
|
|
|
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;
|
|
inc = (set == 0);
|
|
name->modified = 1;
|
|
|
|
if (set == -1) {
|
|
if (loc == 0) {
|
|
set = 0;
|
|
inc = 1;
|
|
} else {
|
|
set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set;
|
|
}
|
|
} 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;
|
|
}
|
|
|
|
/*
|
|
* X509_NAME_ENTRY_dup is ASN1 generated code, that can't be easily
|
|
* const'ified; harmless cast since 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)->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;
|
|
}
|