/* This file is part of the KDE libraries Copyright (C) 2001-2003 George Staikos 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 #ifdef Q_WS_WIN #include "ksslconfig_win.h" #else #include "ksslconfig.h" #endif #ifdef KSSL_HAVE_SSL #define crypt _openssl_crypt #include #include #include #include #include #include #include #include #include #include #include #include #undef crypt #if OPENSSL_VERSION_NUMBER >= 0x10000000L #define STACK _STACK #endif #endif #include /** * Dynamically load and wrap OpenSSL. * * @author George Staikos * @see KSSL * @short KDE OpenSSL Wrapper * @internal */ class KIO_EXPORT KOpenSSLProxy { friend class KStaticDeleter; 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(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(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(s), reinterpret_cast(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