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tdelibs/kio/kssl/kopenssl.h

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/* This file is part of the KDE libraries
Copyright (C) 2001-2003 George Staikos <staikos@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// IF YOU ARE USING THIS CLASS, YOU ARE MAKING A MISTAKE.
#ifndef __KOPENSSLPROXY_H
#define __KOPENSSLPROXY_H
#define KOSSL KOpenSSLProxy
class KOpenSSLProxyPrivate;
#include <klibloader.h>
#ifdef Q_WS_WIN
#include "ksslconfig_win.h"
#else
#include "ksslconfig.h"
#endif
#ifdef KSSL_HAVE_SSL
#define crypt _openssl_crypt
#include <openssl/ssl.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>
#include <openssl/bio.h>
#include <openssl/rand.h>
#include <openssl/asn1.h>
#include <openssl/pkcs7.h>
#include <openssl/pkcs12.h>
#include <openssl/evp.h>
#include <openssl/stack.h>
#include <openssl/bn.h>
#undef crypt
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
#define STACK _STACK
#endif
#endif
#include <kstaticdeleter.h>
/**
* Dynamically load and wrap OpenSSL.
*
* @author George Staikos <staikos@kde.org>
* @see KSSL
* @short KDE OpenSSL Wrapper
* @internal
*/
class KIO_EXPORT KOpenSSLProxy {
friend class KStaticDeleter<KOpenSSLProxy>;
public:
/**
* Return an instance of class KOpenSSLProxy *
* You cannot delete this object. It is a singleton class.
*/
static KOpenSSLProxy *self();
/**
* Return true of libcrypto was found and loaded
*/
bool hasLibCrypto() const;
/**
* Return true of libssl was found and loaded
*/
bool hasLibSSL() const;
/**
* Destroy the class and start over - don't use this unless you know
* what you are doing.
*/
void destroy();
// Here are the symbols that we need.
#ifdef KSSL_HAVE_SSL
/*
* SSL_connect - initiate the TLS/SSL handshake with an TLS/SSL server
*/
int SSL_connect(SSL *ssl);
/*
* SSL_accept - initiate the TLS/SSL handshake with an TLS/SSL server
*/
int SSL_accept(SSL *ssl);
/*
* SSL_get_error - get the error code
*/
int SSL_get_error(SSL *ssl, int rc);
/*
* SSL_read - read bytes from a TLS/SSL connection.
*/
int SSL_read(SSL *ssl, void *buf, int num);
/*
* SSL_write - write bytes to a TLS/SSL connection.
*/
int SSL_write(SSL *ssl, const void *buf, int num);
/*
* SSL_new - create a new SSL structure for a connection
*/
SSL *SSL_new(SSL_CTX *ctx);
/*
* SSL_free - free an allocated SSL structure
*/
void SSL_free(SSL *ssl);
/*
* SSL_shutdown - shutdown an allocated SSL connection
*/
int SSL_shutdown(SSL *ssl);
/*
* SSL_CTX_new - create a new SSL_CTX object as framework for TLS/SSL enabled functions
*/
SSL_CTX *SSL_CTX_new(SSL_METHOD *method);
/*
* SSL_CTX_free - free an allocated SSL_CTX object
*/
void SSL_CTX_free(SSL_CTX *ctx);
/*
* SSL_set_fd - connect the SSL object with a file descriptor
*/
int SSL_set_fd(SSL *ssl, int fd);
/*
* SSL_pending - obtain number of readable bytes buffered in an SSL object
*/
int SSL_pending(SSL *ssl);
/*
* SSL_peek - obtain bytes buffered in an SSL object
*/
int SSL_peek(SSL *ssl, void *buf, int num);
/*
* SSL_CTX_set_cipher_list - choose list of available SSL_CIPHERs
*/
int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str);
/*
* SSL_CTX_set_verify - set peer certificate verification parameters
*/
void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
int (*verify_callback)(int, X509_STORE_CTX *));
/*
* SSL_use_certificate - load certificate
*/
int SSL_use_certificate(SSL *ssl, X509 *x);
/*
* SSL_get_current_cipher - get SSL_CIPHER of a connection
*/
SSL_CIPHER *SSL_get_current_cipher(SSL *ssl);
/*
* SSL_set_options - manipulate SSL engine options
* Note: These are all mapped to SSL_ctrl so call them as the comment
* specifies but know that they use SSL_ctrl. They are #define
* so they will map to the one in this class if called as a
* member function of this class.
*/
/* long SSL_set_options(SSL *ssl, long options); */
/* Returns 0 if not reused, 1 if session id is reused */
/* int SSL_session_reused(SSL *ssl); */
long SSL_ctrl(SSL *ssl,int cmd, long larg, char *parg);
/*
* RAND_egd - set the path to the EGD
*/
int RAND_egd(const char *path);
/*
* RAND_file_name
*/
const char *RAND_file_name(char *buf, size_t num);
/*
* RAND_load_file
*/
int RAND_load_file(const char *filename, long max_bytes);
/*
* RAND_write_file
*/
int RAND_write_file(const char *filename);
/*
* TLSv1_client_method - return a TLSv1 client method object
*/
SSL_METHOD *TLSv1_client_method();
/*
* SSLv2_client_method - return a SSLv2 client method object
*/
SSL_METHOD *SSLv2_client_method();
/*
* SSLv3_client_method - return a SSLv3 client method object
*/
SSL_METHOD *SSLv3_client_method();
/*
* SSLv23_client_method - return a SSLv23 client method object
*/
SSL_METHOD *SSLv23_client_method();
/*
* SSL_get_peer_certificate - return the peer's certificate
*/
X509 *SSL_get_peer_certificate(SSL *s);
/*
* SSL_get_peer_cert_chain - get the peer's certificate chain
*/
STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s);
/*
* SSL_CIPHER_get_bits - get the number of bits in this cipher
*/
int SSL_CIPHER_get_bits(SSL_CIPHER *c,int *alg_bits);
/*
* SSL_CIPHER_get_version - get the version of this cipher
*/
char *SSL_CIPHER_get_version(SSL_CIPHER *c);
/*
* SSL_CIPHER_get_name - get the name of this cipher
*/
const char *SSL_CIPHER_get_name(SSL_CIPHER *c);
/*
* SSL_CIPHER_description - get the description of this cipher
*/
char *SSL_CIPHER_description(SSL_CIPHER *,char *buf,int size);
/*
* SSL_CTX_use_PrivateKey - set the private key for the session.
* - for use with client certificates
*/
int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
/*
* SSL_CTX_use_certificate - set the client certificate for the session.
*/
int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
/*
* d2i_X509 - Covert a text representation of X509 to an X509 object
*/
X509 * d2i_X509(X509 **a,unsigned char **pp,long length);
/*
* d2i_X509 - Covert a text representation of X509 CRL to an X509_CRL object
*/
X509_CRL * d2i_X509_CRL(X509_CRL **a,unsigned char **pp,long length);
/*
* i2d_X509 - Covert an X509 object into a text representation
*/
int i2d_X509(X509 *a,unsigned char **pp);
/*
* X509_cmp - compare two X509 objects
*/
int X509_cmp(X509 *a, X509 *b);
/*
* X509_dup - duplicate an X509 object
*/
X509 *X509_dup(X509 *x509);
/*
* X509_STORE_CTX_new - create an X509 store context
*/
X509_STORE_CTX *X509_STORE_CTX_new(void);
/*
* X509_STORE_CTX_free - free up an X509 store context
*/
void X509_STORE_CTX_free(X509_STORE_CTX *v);
/*
* X509_STORE_CTX_set_chain - set the certificate chain
*/
void X509_STORE_CTX_set_chain(X509_STORE_CTX *v, STACK_OF(X509)* x);
/*
* X509_STORE_CTX_set_purpose - set the purpose of the certificate
*/
void X509_STORE_CTX_set_purpose(X509_STORE_CTX *v, int purpose);
/*
* X509_verify_cert - verify the certificate
*/
int X509_verify_cert(X509_STORE_CTX *v);
/*
* X509_STORE_new - create an X509 store
*/
X509_STORE *X509_STORE_new(void);
/*
* X509_STORE_free - free up an X509 store
*/
void X509_STORE_free(X509_STORE *v);
/*
* X509_free - free up an X509
*/
void X509_free(X509 *v);
/*
* X509_NAME_oneline - return the X509 data in a string
*/
char *X509_NAME_oneline(X509_NAME *a, char *buf, int size);
/*
* X509_get_subject_name - return the X509_NAME for the subject field
*/
X509_NAME *X509_get_subject_name(X509 *a);
/*
* X509_get_issuer_name - return the X509_NAME for the issuer field
*/
X509_NAME *X509_get_issuer_name(X509 *a);
/*
* X509_STORE_add_lookup - add a lookup file/method to an X509 store
*/
X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
/*
* X509_LOOKUP_file - Definition of the LOOKUP_file method
*/
X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
/*
* X509_LOOKUP_free - Free an X509_LOOKUP
*/
void X509_LOOKUP_free(X509_LOOKUP *x);
/*
* X509_LOOKUP_ctrl - This is not normally called directly (use macros)
*/
int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl, char **ret);
/*
* X509_STORE_CTX_init - initialize an X509 STORE context
*/
void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509, STACK_OF(X509) *chain);
/*
* CRYPTO_free - free up an internally allocated object
*/
void CRYPTO_free(void *x);
/*
* BIO_new - create new BIO
*/
BIO *BIO_new(BIO_METHOD *type);
/*
* BIO methods - only one defined here yet
*/
BIO_METHOD *BIO_s_mem(void);
/*
* BIO_new_fp - nastiness called BIO - used to create BIO* from FILE*
*/
BIO *BIO_new_fp(FILE *stream, int close_flag);
/*
* BIO_new_mem_buf - read only BIO from memory region
*/
BIO *BIO_new_mem_buf(void *buf, int len);
/*
* BIO_free - nastiness called BIO - used to destroy BIO*
*/
int BIO_free(BIO *a);
/*
* BIO_ctrl - BIO control method
*/
long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
/*
* BIO_write - equivalent to ::write for BIO
*/
int BIO_write(BIO *b, const void *data, int len);
/*
* PEM_write_bio_X509 - write a PEM encoded cert to a BIO*
*/
int PEM_write_bio_X509(BIO *bp, X509 *x);
#if OPENSSL_VERSION_NUMBER < 0x10000000L
/*
* X509_asn1_meth - used for netscape output
*/
ASN1_METHOD *X509_asn1_meth();
#endif
/*
* ASN1_i2d_fp - used for netscape output
*/
int ASN1_i2d_fp(FILE *out, unsigned char *x);
/*
* ASN1_d2i_fp - read an X509 from a DER encoded file (buf can be NULL)
*/
X509 *X509_d2i_fp(FILE *out, X509** buf);
/*
* X509_print - print the text form of an X509
*/
int X509_print(FILE *fp, X509 *x);
/*
* Read a PKCS#12 cert from fp
*/
PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12);
/*
* Change the password on a PKCS#12 cert
*/
int PKCS12_newpass(PKCS12 *p12, char *oldpass, char *newpass);
/*
* Write a PKCS#12 to mem
*/
int i2d_PKCS12(PKCS12 *p12, unsigned char **p);
/*
* Write a PKCS#12 to FILE*
*/
int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12);
/*
* Create a new PKCS#12 object
*/
PKCS12 *PKCS12_new(void);
/*
* Destroy that PKCS#12 that you created!
*/
void PKCS12_free(PKCS12 *a);
/*
* Parse the PKCS#12
*/
int PKCS12_parse(PKCS12 *p12, const char *pass, EVP_PKEY **pkey,
X509 **cert, STACK_OF(X509) **ca);
/*
* Free the Private Key
*/
void EVP_PKEY_free(EVP_PKEY *x);
/*
* Pop off the stack
*/
char *sk_pop(STACK *s);
/*
* Free the stack
*/
void sk_free(STACK *s);
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
void sk_free(void *s) { return sk_free(reinterpret_cast<STACK*>(s)); }
#endif
/*
* Number of elements in the stack
*/
int sk_num(STACK *s);
/*
* Value of element n in the stack
*/
char *sk_value(STACK *s, int n);
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
char *sk_value(void *s, int n) { return sk_value(reinterpret_cast<STACK*>(s), n); }
#endif
/*
* Create a new stack
*/
STACK *sk_new(int (*cmp)());
/*
* Add an element to the stack
*/
int sk_push(STACK *s, char *d);
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
int sk_push(void *s, void *d) { return sk_push(reinterpret_cast<STACK*>(s), reinterpret_cast<char*>(d)); }
#endif
/*
* Duplicate the stack
*/
STACK *sk_dup(STACK *s);
/*
* Convert an ASN1_INTEGER to it's text form
*/
char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *meth, ASN1_INTEGER *aint);
/*
* Get the certificate's serial number
*/
ASN1_INTEGER *X509_get_serialNumber(X509 *x);
/*
* Get the certificate's public key
*/
EVP_PKEY *X509_get_pubkey(X509 *x);
/*
* Convert the public key to a decimal form
*/
int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
/*
* Check the private key of a PKCS bundle against the X509
*/
int X509_check_private_key(X509 *x, EVP_PKEY *p);
/*
* Convert a BIGNUM to a hex string
*/
char *BN_bn2hex(const BIGNUM *a);
/*
* Compute the digest of an X.509
*/
int X509_digest(const X509 *x,const EVP_MD *t, unsigned char *md, unsigned int *len);
/*
* EVP_md5
*/
EVP_MD *EVP_md5();
/*
* ASN1_INTEGER free
*/
void ASN1_INTEGER_free(ASN1_INTEGER *x);
/*
* ASN1_STRING_data
*/
unsigned char *ASN1_STRING_data(ASN1_STRING *x);
/*
* ASN1_STRING_length
*/
int ASN1_STRING_length(ASN1_STRING *x);
/*
*
*/
int OBJ_obj2nid(ASN1_OBJECT *o);
/*
*
*/
const char * OBJ_nid2ln(int n);
/*
* get the number of extensions
*/
int X509_get_ext_count(X509 *x);
/*
*
*/
int X509_get_ext_by_NID(X509 *x, int nid, int lastpos);
/*
*
*/
int X509_get_ext_by_OBJ(X509 *x,ASN1_OBJECT *obj,int lastpos);
/*
*
*/
X509_EXTENSION *X509_get_ext(X509 *x, int loc);
/*
*
*/
X509_EXTENSION *X509_delete_ext(X509 *x, int loc);
/*
*
*/
int X509_add_ext(X509 *x, X509_EXTENSION *ex, int loc);
/*
*
*/
void *X509_get_ext_d2i(X509 *x, int nid, int *crit, int *idx);
/*
*
*/
char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *ia5);
/*
*
*/
int ASN1_BIT_STRING_get_bit(ASN1_BIT_STRING *a, int n);
/*
*
*/
PKCS7 *PKCS7_new(void);
/*
*
*/
void PKCS7_free(PKCS7 *a);
/*
*
*/
void PKCS7_content_free(PKCS7 *a);
/*
*
*/
int i2d_PKCS7(PKCS7 *a, unsigned char **pp);
/*
*
*/
PKCS7 *d2i_PKCS7(PKCS7 **a, unsigned char **pp,long length);
/*
*
*/
int i2d_PKCS7_fp(FILE *fp,PKCS7 *p7);
/*
*
*/
PKCS7 *d2i_PKCS7_fp(FILE *fp,PKCS7 **p7);
/*
*
*/
int i2d_PKCS7_bio(BIO *bp,PKCS7 *p7);
/*
*
*/
PKCS7 *d2i_PKCS7_bio(BIO *bp,PKCS7 **p7);
/*
*
*/
PKCS7 *PKCS7_dup(PKCS7 *p7);
/*
* Create a PKCS7 signature / signed message
*/
PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
BIO *data, int flags);
/*
* Verify a PKCS7 signature.
*/
int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
BIO *indata, BIO *out, int flags);
/*
* Get signers of a verified PKCS7 signature
*/
STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags);
/*
* PKCS7 encrypt message
*/
PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, EVP_CIPHER *cipher,
int flags);
/*
* decrypt PKCS7 message
*/
int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags);
/*
* Load a CA list file.
*/
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
/*
* Load a file of PEM encoded objects.
*/
STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
pem_password_cb *cb, void *u);
/*
* Get the number of purposes available
*/
int X509_PURPOSE_get_count();
/*
* Get the ID of a purpose
*/
int X509_PURPOSE_get_id(X509_PURPOSE *);
/*
* Check the existence of purpose id "id" in x. for CA, set ca = 1, else 0
*/
int X509_check_purpose(X509 *x, int id, int ca);
/*
* Get the purpose with index #idx
*/
X509_PURPOSE * X509_PURPOSE_get0(int idx);
/*
* Create a new Private KEY
*/
EVP_PKEY* EVP_PKEY_new();
/*
* Assign a private key
*/
int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key);
/*
* Generate a RSA key
*/
RSA *RSA_generate_key(int bits, unsigned long e, void
(*callback)(int,int,void *), void *cb_arg);
/*
* Create/destroy a certificate request
*/
X509_REQ *X509_REQ_new();
void X509_REQ_free(X509_REQ *a);
/*
* Set the public key in the REQ object
*/
int X509_REQ_set_pubkey(X509_REQ *x, EVP_PKEY *pkey);
/* for testing */
int i2d_X509_REQ_fp(FILE *fp, X509_REQ *x);
/* SMime support */
STACK *X509_get1_email(X509 *x);
void X509_email_free(STACK *sk);
/* Ciphers needed for SMime */
EVP_CIPHER *EVP_des_ede3_cbc();
EVP_CIPHER *EVP_des_cbc();
EVP_CIPHER *EVP_rc2_cbc();
EVP_CIPHER *EVP_rc2_64_cbc();
EVP_CIPHER *EVP_rc2_40_cbc();
/* clear the current error - use this often*/
void ERR_clear_error();
/* retrieve the latest error */
unsigned long ERR_get_error();
/* Print the errors to this stream */
void ERR_print_errors_fp(FILE *fp);
/* Get a pointer to the SSL session id (reference counted) */
SSL_SESSION *SSL_get1_session(SSL *ssl);
/* Frees a pointer to the SSL session id (reference decremented if needed) */
void SSL_SESSION_free(SSL_SESSION *session);
/* Set the SSL session to reuse. */
int SSL_set_session(SSL *ssl, SSL_SESSION *session);
/* Decode ASN.1 to SSL_SESSION */
SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, unsigned char **pp, long length);
/* Encode SSL_SESSION to ASN.1 */
int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
/* Write privatekey to FILE stream */
int i2d_PrivateKey_fp(FILE*, EVP_PKEY*);
/* Write PKCS#8privatekey to FILE stream */
int i2d_PKCS8PrivateKey_fp(FILE*, EVP_PKEY*, const EVP_CIPHER*, char*, int, pem_password_cb*, void*);
/* Free RSA structure */
void RSA_free(RSA*);
/* Get a blowfish CBC pointer */
EVP_CIPHER *EVP_bf_cbc();
/* Sign a CSR */
int X509_REQ_sign(X509_REQ*, EVP_PKEY*, const EVP_MD*);
/* add a name entry */
int X509_NAME_add_entry_by_txt(X509_NAME*, char*, int, unsigned char*, int, int, int);
/* Create a name */
X509_NAME *X509_NAME_new();
/* Set the subject */
int X509_REQ_set_subject_name(X509_REQ*,X509_NAME*);
/* get list of available SSL_CIPHER's sorted by preference */
STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL* ssl);
#endif
private:
KOpenSSLProxy();
~KOpenSSLProxy();
KOpenSSLProxyPrivate *d;
KLibrary *_sslLib;
KLibrary *_cryptoLib;
static KOpenSSLProxy *_me;
bool _ok;
};
#endif