#include <stdio.h>
#include "openssl/e_os.h"
#ifndef NO_SYS_TYPES_H
# include <sys/types.h>
#endif
#if !defined(WIN32) && !defined(VSM) && !defined(NeXT) && !defined(MAC_OS_pre_X)
#include <dirent.h>
#endif
#ifdef NeXT
#include <sys/dir.h>
#define dirent direct
#endif
#include <openssl/objects.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
#include "ssl_locl.h"
int SSL_get_ex_data_X509_STORE_CTX_idx(void)
{
static int ssl_x509_store_ctx_idx= -1;
if (ssl_x509_store_ctx_idx < 0)
{
ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index(
0,"SSL for verify callback",NULL,NULL,NULL);
}
return(ssl_x509_store_ctx_idx);
}
CERT *ssl_cert_new(void)
{
CERT *ret;
ret=(CERT *)OPENSSL_malloc(sizeof(CERT));
if (ret == NULL)
{
SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE);
return(NULL);
}
memset(ret,0,sizeof(CERT));
ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]);
ret->references=1;
return(ret);
}
CERT *ssl_cert_dup(CERT *cert)
{
CERT *ret;
int i;
ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
if (ret == NULL)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
return(NULL);
}
memset(ret, 0, sizeof(CERT));
ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
ret->valid = cert->valid;
ret->mask = cert->mask;
ret->export_mask = cert->export_mask;
#ifndef NO_RSA
if (cert->rsa_tmp != NULL)
{
ret->rsa_tmp = cert->rsa_tmp;
CRYPTO_add(&ret->rsa_tmp->references, 1, CRYPTO_LOCK_RSA);
}
ret->rsa_tmp_cb = cert->rsa_tmp_cb;
#endif
#ifndef NO_DH
if (cert->dh_tmp != NULL)
{
ret->dh_tmp = DHparams_dup(cert->dh_tmp);
if (ret->dh_tmp == NULL)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
goto err;
}
if (cert->dh_tmp->priv_key)
{
BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
if (!b)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
goto err;
}
ret->dh_tmp->priv_key = b;
}
if (cert->dh_tmp->pub_key)
{
BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
if (!b)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
goto err;
}
ret->dh_tmp->pub_key = b;
}
}
ret->dh_tmp_cb = cert->dh_tmp_cb;
#endif
for (i = 0; i < SSL_PKEY_NUM; i++)
{
if (cert->pkeys[i].x509 != NULL)
{
ret->pkeys[i].x509 = cert->pkeys[i].x509;
CRYPTO_add(&ret->pkeys[i].x509->references, 1,
CRYPTO_LOCK_X509);
}
if (cert->pkeys[i].privatekey != NULL)
{
ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
CRYPTO_LOCK_EVP_PKEY);
switch(i)
{
case SSL_PKEY_RSA_ENC:
case SSL_PKEY_RSA_SIGN:
break;
case SSL_PKEY_DSA_SIGN:
break;
case SSL_PKEY_DH_RSA:
case SSL_PKEY_DH_DSA:
break;
default:
SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
}
}
}
ret->references=1;
return(ret);
#ifndef NO_DH
err:
#endif
#ifndef NO_RSA
if (ret->rsa_tmp != NULL)
RSA_free(ret->rsa_tmp);
#endif
#ifndef NO_DH
if (ret->dh_tmp != NULL)
DH_free(ret->dh_tmp);
#endif
for (i = 0; i < SSL_PKEY_NUM; i++)
{
if (ret->pkeys[i].x509 != NULL)
X509_free(ret->pkeys[i].x509);
if (ret->pkeys[i].privatekey != NULL)
EVP_PKEY_free(ret->pkeys[i].privatekey);
}
return NULL;
}
void ssl_cert_free(CERT *c)
{
int i;
if(c == NULL)
return;
i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT);
#ifdef REF_PRINT
REF_PRINT("CERT",c);
#endif
if (i > 0) return;
#ifdef REF_CHECK
if (i < 0)
{
fprintf(stderr,"ssl_cert_free, bad reference count\n");
abort();
}
#endif
#ifndef NO_RSA
if (c->rsa_tmp) RSA_free(c->rsa_tmp);
#endif
#ifndef NO_DH
if (c->dh_tmp) DH_free(c->dh_tmp);
#endif
for (i=0; i<SSL_PKEY_NUM; i++)
{
if (c->pkeys[i].x509 != NULL)
X509_free(c->pkeys[i].x509);
if (c->pkeys[i].privatekey != NULL)
EVP_PKEY_free(c->pkeys[i].privatekey);
#if 0
if (c->pkeys[i].publickey != NULL)
EVP_PKEY_free(c->pkeys[i].publickey);
#endif
}
OPENSSL_free(c);
}
int ssl_cert_inst(CERT **o)
{
if (o == NULL)
{
SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
return(0);
}
if (*o == NULL)
{
if ((*o = ssl_cert_new()) == NULL)
{
SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
return(0);
}
}
return(1);
}
SESS_CERT *ssl_sess_cert_new(void)
{
SESS_CERT *ret;
ret = OPENSSL_malloc(sizeof *ret);
if (ret == NULL)
{
SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
memset(ret, 0 ,sizeof *ret);
ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
ret->references = 1;
return ret;
}
void ssl_sess_cert_free(SESS_CERT *sc)
{
int i;
if (sc == NULL)
return;
i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
#ifdef REF_PRINT
REF_PRINT("SESS_CERT", sc);
#endif
if (i > 0)
return;
#ifdef REF_CHECK
if (i < 0)
{
fprintf(stderr,"ssl_sess_cert_free, bad reference count\n");
abort();
}
#endif
if (sc->cert_chain != NULL)
sk_X509_pop_free(sc->cert_chain, X509_free);
for (i = 0; i < SSL_PKEY_NUM; i++)
{
if (sc->peer_pkeys[i].x509 != NULL)
X509_free(sc->peer_pkeys[i].x509);
#if 0
if (sc->peer_pkeys[i].privatekey != NULL)
EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
#endif
}
#ifndef NO_RSA
if (sc->peer_rsa_tmp != NULL)
RSA_free(sc->peer_rsa_tmp);
#endif
#ifndef NO_DH
if (sc->peer_dh_tmp != NULL)
DH_free(sc->peer_dh_tmp);
#endif
OPENSSL_free(sc);
}
int ssl_set_peer_cert_type(SESS_CERT *sc,int type)
{
sc->peer_cert_type = type;
return(1);
}
int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk)
{
X509 *x;
int i;
X509_STORE_CTX ctx;
if ((sk == NULL) || (sk_X509_num(sk) == 0))
return(0);
x=sk_X509_value(sk,0);
X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk);
if (SSL_get_verify_depth(s) >= 0)
X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s));
X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s);
if(s->server) i = X509_PURPOSE_SSL_CLIENT;
else i = X509_PURPOSE_SSL_SERVER;
X509_STORE_CTX_purpose_inherit(&ctx, i, s->purpose, s->trust);
if (s->verify_callback)
X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
if (s->ctx->app_verify_callback != NULL)
i=s->ctx->app_verify_callback(&ctx);
else
{
#ifndef NO_X509_VERIFY
i=X509_verify_cert(&ctx);
#else
i=0;
ctx.error=X509_V_ERR_APPLICATION_VERIFICATION;
SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK);
#endif
}
s->verify_result=ctx.error;
X509_STORE_CTX_cleanup(&ctx);
return(i);
}
static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *list)
{
if (*ca_list != NULL)
sk_X509_NAME_pop_free(*ca_list,X509_NAME_free);
*ca_list=list;
}
STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
{
int i;
STACK_OF(X509_NAME) *ret;
X509_NAME *name;
ret=sk_X509_NAME_new_null();
for (i=0; i<sk_X509_NAME_num(sk); i++)
{
name=X509_NAME_dup(sk_X509_NAME_value(sk,i));
if ((name == NULL) || !sk_X509_NAME_push(ret,name))
{
sk_X509_NAME_pop_free(ret,X509_NAME_free);
return(NULL);
}
}
return(ret);
}
void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *list)
{
set_client_CA_list(&(s->client_CA),list);
}
void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *list)
{
set_client_CA_list(&(ctx->client_CA),list);
}
STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(SSL_CTX *ctx)
{
return(ctx->client_CA);
}
STACK_OF(X509_NAME) *SSL_get_client_CA_list(SSL *s)
{
if (s->type == SSL_ST_CONNECT)
{
if (((s->version>>8) == SSL3_VERSION_MAJOR) &&
(s->s3 != NULL))
return(s->s3->tmp.ca_names);
else
return(NULL);
}
else
{
if (s->client_CA != NULL)
return(s->client_CA);
else
return(s->ctx->client_CA);
}
}
static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x)
{
X509_NAME *name;
if (x == NULL) return(0);
if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL))
return(0);
if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL)
return(0);
if (!sk_X509_NAME_push(*sk,name))
{
X509_NAME_free(name);
return(0);
}
return(1);
}
int SSL_add_client_CA(SSL *ssl,X509 *x)
{
return(add_client_CA(&(ssl->client_CA),x));
}
int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x)
{
return(add_client_CA(&(ctx->client_CA),x));
}
static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
{
return(X509_NAME_cmp(*a,*b));
}
#ifndef NO_STDIO
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
{
BIO *in;
X509 *x=NULL;
X509_NAME *xn=NULL;
STACK_OF(X509_NAME) *ret,*sk;
ret=sk_X509_NAME_new_null();
sk=sk_X509_NAME_new(xname_cmp);
in=BIO_new(BIO_s_file_internal());
if ((ret == NULL) || (sk == NULL) || (in == NULL))
{
SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
goto err;
}
if (!BIO_read_filename(in,file))
goto err;
for (;;)
{
if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
break;
if ((xn=X509_get_subject_name(x)) == NULL) goto err;
xn=X509_NAME_dup(xn);
if (xn == NULL) goto err;
if (sk_X509_NAME_find(sk,xn) >= 0)
X509_NAME_free(xn);
else
{
sk_X509_NAME_push(sk,xn);
sk_X509_NAME_push(ret,xn);
}
}
if (0)
{
err:
if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free);
ret=NULL;
}
if (sk != NULL) sk_X509_NAME_free(sk);
if (in != NULL) BIO_free(in);
if (x != NULL) X509_free(x);
return(ret);
}
#endif
int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *file)
{
BIO *in;
X509 *x=NULL;
X509_NAME *xn=NULL;
int ret=1;
int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b);
oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
in=BIO_new(BIO_s_file_internal());
if (in == NULL)
{
SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
goto err;
}
if (!BIO_read_filename(in,file))
goto err;
for (;;)
{
if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
break;
if ((xn=X509_get_subject_name(x)) == NULL) goto err;
xn=X509_NAME_dup(xn);
if (xn == NULL) goto err;
if (sk_X509_NAME_find(stack,xn) >= 0)
X509_NAME_free(xn);
else
sk_X509_NAME_push(stack,xn);
}
if (0)
{
err:
ret=0;
}
if(in != NULL)
BIO_free(in);
if(x != NULL)
X509_free(x);
sk_X509_NAME_set_cmp_func(stack,oldcmp);
return ret;
}
#ifndef WIN32
#ifndef VMS
#ifndef MAC_OS_pre_X
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *dir)
{
DIR *d;
struct dirent *dstruct;
int ret = 0;
CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
d = opendir(dir);
if(!d)
{
SYSerr(SYS_F_OPENDIR, get_last_sys_error());
ERR_add_error_data(3, "opendir('", dir, "')");
SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
goto err;
}
while((dstruct=readdir(d)))
{
char buf[1024];
int r;
if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf)
{
SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
goto err;
}
r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name);
if (r <= 0 || r >= sizeof buf)
goto err;
if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
goto err;
}
ret = 1;
err:
if (d) closedir(d);
CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
return ret;
}
#endif
#endif
#endif