viosslfactories.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:11k
- /* Copyright (C) 2000 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include "vio_priv.h"
- #ifdef HAVE_OPENSSL
- static bool ssl_algorithms_added = FALSE;
- static bool ssl_error_strings_loaded= FALSE;
- static int verify_depth = 0;
- static int verify_error = X509_V_OK;
- static unsigned char dh512_p[]=
- {
- 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
- 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
- 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
- 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
- 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
- 0x47,0x74,0xE8,0x33,
- };
- static unsigned char dh512_g[]={
- 0x02,
- };
- static DH *get_dh512(void)
- {
- DH *dh;
- if ((dh=DH_new()))
- {
- dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
- dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
- if (! dh->p || ! dh->g)
- {
- DH_free(dh);
- dh=0;
- }
- }
- return(dh);
- }
- static void
- report_errors()
- {
- unsigned long l;
- const char* file;
- const char* data;
- int line,flags;
- DBUG_ENTER("report_errors");
- while ((l=ERR_get_error_line_data(&file,&line,&data,&flags)) != 0)
- {
- #ifndef DBUG_OFF /* Avoid warning */
- char buf[200];
- DBUG_PRINT("error", ("OpenSSL: %s:%s:%d:%sn", ERR_error_string(l,buf),
- file,line,(flags & ERR_TXT_STRING) ? data : "")) ;
- #endif
- }
- DBUG_VOID_RETURN;
- }
- static int
- vio_set_cert_stuff(SSL_CTX *ctx, const char *cert_file, const char *key_file)
- {
- DBUG_ENTER("vio_set_cert_stuff");
- DBUG_PRINT("enter", ("ctx=%p, cert_file=%s, key_file=%s",
- ctx, cert_file, key_file));
- if (cert_file != NULL)
- {
- if (SSL_CTX_use_certificate_file(ctx,cert_file,SSL_FILETYPE_PEM) <= 0)
- {
- DBUG_PRINT("error",("unable to get certificate from '%s'n",cert_file));
- /* FIX stderr */
- fprintf(stderr,"Error when connection to server using SSL:");
- ERR_print_errors_fp(stderr);
- fprintf(stderr,"Unable to get certificate from '%s'n", cert_file);
- fflush(stderr);
- DBUG_RETURN(0);
- }
- if (key_file == NULL)
- key_file = cert_file;
- if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
- SSL_FILETYPE_PEM) <= 0)
- {
- DBUG_PRINT("error", ("unable to get private key from '%s'n",key_file));
- /* FIX stderr */
- fprintf(stderr,"Error when connection to server using SSL:");
- ERR_print_errors_fp(stderr);
- fprintf(stderr,"Unable to get private key from '%s'n", cert_file);
- fflush(stderr);
- DBUG_RETURN(0);
- }
- /*
- If we are using DSA, we can copy the parameters from the private key
- Now we know that a key and cert have been set against the SSL context
- */
- if (!SSL_CTX_check_private_key(ctx))
- {
- DBUG_PRINT("error",
- ("Private key does not match the certificate public keyn"));
- DBUG_RETURN(0);
- }
- }
- DBUG_RETURN(1);
- }
- static int
- vio_verify_callback(int ok, X509_STORE_CTX *ctx)
- {
- char buf[256];
- X509* err_cert;
- int err,depth;
- DBUG_ENTER("vio_verify_callback");
- DBUG_PRINT("enter", ("ok=%d, ctx=%p", ok, ctx));
- err_cert=X509_STORE_CTX_get_current_cert(ctx);
- err= X509_STORE_CTX_get_error(ctx);
- depth= X509_STORE_CTX_get_error_depth(ctx);
- X509_NAME_oneline(X509_get_subject_name(err_cert),buf,sizeof(buf));
- if (!ok)
- {
- DBUG_PRINT("error",("verify error: num: %d : '%s'n",err,
- X509_verify_cert_error_string(err)));
- if (verify_depth >= depth)
- {
- ok=1;
- verify_error=X509_V_OK;
- }
- else
- {
- verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
- }
- }
- switch (ctx->error) {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
- DBUG_PRINT("info",("issuer= %sn",buf));
- break;
- case X509_V_ERR_CERT_NOT_YET_VALID:
- case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
- DBUG_PRINT("error", ("notBefore"));
- /*ASN1_TIME_print_fp(stderr,X509_get_notBefore(ctx->current_cert));*/
- break;
- case X509_V_ERR_CERT_HAS_EXPIRED:
- case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
- DBUG_PRINT("error", ("notAfter error"));
- /*ASN1_TIME_print_fp(stderr,X509_get_notAfter(ctx->current_cert));*/
- break;
- }
- DBUG_PRINT("exit", ("%d", ok));
- DBUG_RETURN(ok);
- }
- #ifdef __NETWARE__
- /* NetWare SSL cleanup */
- void netware_ssl_cleanup()
- {
- /* free memory from SSL_library_init() */
- EVP_cleanup();
- /* free global X509 method */
- X509_STORE_method_cleanup();
- /* free the thread_hash error table */
- ERR_free_state_table();
- }
- /* NetWare SSL initialization */
- static void netware_ssl_init()
- {
- /* cleanup OpenSSL library */
- NXVmRegisterExitHandler(netware_ssl_cleanup, NULL);
- }
- #endif /* __NETWARE__ */
- /************************ VioSSLConnectorFd **********************************/
- /*
- TODO:
- Add option --verify to mysql to be able to change verification mode
- */
- struct st_VioSSLConnectorFd *
- new_VioSSLConnectorFd(const char* key_file,
- const char* cert_file,
- const char* ca_file,
- const char* ca_path,
- const char* cipher)
- {
- int verify = SSL_VERIFY_NONE;
- struct st_VioSSLConnectorFd* ptr;
- int result;
- DH *dh;
- DBUG_ENTER("new_VioSSLConnectorFd");
- DBUG_PRINT("enter",
- ("key_file=%s, cert_file=%s, ca_path=%s, ca_file=%s, cipher=%s",
- key_file, cert_file, ca_path, ca_file, cipher));
- if (!(ptr=((struct st_VioSSLConnectorFd*)
- my_malloc(sizeof(struct st_VioSSLConnectorFd),MYF(0)))))
- DBUG_RETURN(0);
- ptr->ssl_context= 0;
- ptr->ssl_method= 0;
- /* FIXME: constants! */
- if (!ssl_algorithms_added)
- {
- DBUG_PRINT("info", ("todo: OpenSSL_add_all_algorithms()"));
- ssl_algorithms_added = TRUE;
- SSL_library_init();
- OpenSSL_add_all_algorithms();
- }
- #ifdef __NETWARE__
- netware_ssl_init();
- #endif
- if (!ssl_error_strings_loaded)
- {
- DBUG_PRINT("info", ("todo:SSL_load_error_strings()"));
- ssl_error_strings_loaded = TRUE;
- SSL_load_error_strings();
- }
- ptr->ssl_method = TLSv1_client_method();
- ptr->ssl_context = SSL_CTX_new(ptr->ssl_method);
- DBUG_PRINT("info", ("ssl_context: %p",ptr->ssl_context));
- if (ptr->ssl_context == 0)
- {
- DBUG_PRINT("error", ("SSL_CTX_new failed"));
- report_errors();
- goto ctor_failure;
- }
- /*
- SSL_CTX_set_options
- SSL_CTX_set_info_callback
- */
- if (cipher)
- {
- result=SSL_CTX_set_cipher_list(ptr->ssl_context, cipher);
- DBUG_PRINT("info",("SSL_set_cipher_list() returned %d",result));
- }
- SSL_CTX_set_verify(ptr->ssl_context, verify, vio_verify_callback);
- if (vio_set_cert_stuff(ptr->ssl_context, cert_file, key_file) == -1)
- {
- DBUG_PRINT("error", ("vio_set_cert_stuff failed"));
- report_errors();
- goto ctor_failure;
- }
- if (SSL_CTX_load_verify_locations( ptr->ssl_context, ca_file,ca_path) == 0)
- {
- DBUG_PRINT("warning", ("SSL_CTX_load_verify_locations failed"));
- if (SSL_CTX_set_default_verify_paths(ptr->ssl_context) == 0)
- {
- DBUG_PRINT("error", ("SSL_CTX_set_default_verify_paths failed"));
- report_errors();
- goto ctor_failure;
- }
- }
- /* DH stuff */
- dh=get_dh512();
- SSL_CTX_set_tmp_dh(ptr->ssl_context,dh);
- DH_free(dh);
- DBUG_RETURN(ptr);
- ctor_failure:
- DBUG_PRINT("exit", ("there was an error"));
- my_free((gptr)ptr,MYF(0));
- DBUG_RETURN(0);
- }
- /************************ VioSSLAcceptorFd **********************************/
- /*
- TODO:
- Add option --verify to mysqld to be able to change verification mode
- */
- struct st_VioSSLAcceptorFd*
- new_VioSSLAcceptorFd(const char *key_file,
- const char *cert_file,
- const char *ca_file,
- const char *ca_path,
- const char *cipher)
- {
- int verify = (SSL_VERIFY_PEER |
- SSL_VERIFY_CLIENT_ONCE);
- struct st_VioSSLAcceptorFd* ptr;
- int result;
- DH *dh;
- DBUG_ENTER("new_VioSSLAcceptorFd");
- DBUG_PRINT("enter",
- ("key_file=%s, cert_file=%s, ca_path=%s, ca_file=%s, cipher=%s",
- key_file, cert_file, ca_path, ca_file, cipher));
- ptr= ((struct st_VioSSLAcceptorFd*)
- my_malloc(sizeof(struct st_VioSSLAcceptorFd),MYF(0)));
- ptr->ssl_context=0;
- ptr->ssl_method=0;
- /* FIXME: constants! */
- ptr->session_id_context= ptr;
- if (!ssl_algorithms_added)
- {
- DBUG_PRINT("info", ("todo: OpenSSL_add_all_algorithms()"));
- ssl_algorithms_added = TRUE;
- SSL_library_init();
- OpenSSL_add_all_algorithms();
- }
- #ifdef __NETWARE__
- netware_ssl_init();
- #endif
- if (!ssl_error_strings_loaded)
- {
- DBUG_PRINT("info", ("todo: SSL_load_error_strings()"));
- ssl_error_strings_loaded = TRUE;
- SSL_load_error_strings();
- }
- ptr->ssl_method= TLSv1_server_method();
- ptr->ssl_context= SSL_CTX_new(ptr->ssl_method);
- if (ptr->ssl_context == 0)
- {
- DBUG_PRINT("error", ("SSL_CTX_new failed"));
- report_errors();
- goto ctor_failure;
- }
- if (cipher)
- {
- result=SSL_CTX_set_cipher_list(ptr->ssl_context, cipher);
- DBUG_PRINT("info",("SSL_set_cipher_list() returned %d",result));
- }
- /* SSL_CTX_set_quiet_shutdown(ctx,1); */
- SSL_CTX_sess_set_cache_size(ptr->ssl_context,128);
- /* DH? */
- SSL_CTX_set_verify(ptr->ssl_context, verify, vio_verify_callback);
- SSL_CTX_set_session_id_context(ptr->ssl_context,
- (const uchar*) &(ptr->session_id_context),
- sizeof(ptr->session_id_context));
- /*
- SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
- */
- if (vio_set_cert_stuff(ptr->ssl_context, cert_file, key_file) == -1)
- {
- DBUG_PRINT("error", ("vio_set_cert_stuff failed"));
- report_errors();
- goto ctor_failure;
- }
- if (SSL_CTX_load_verify_locations( ptr->ssl_context, ca_file, ca_path) == 0)
- {
- DBUG_PRINT("warning", ("SSL_CTX_load_verify_locations failed"));
- if (SSL_CTX_set_default_verify_paths(ptr->ssl_context)==0)
- {
- DBUG_PRINT("error", ("SSL_CTX_set_default_verify_paths failed"));
- report_errors();
- goto ctor_failure;
- }
- }
- /* DH stuff */
- dh=get_dh512();
- SSL_CTX_set_tmp_dh(ptr->ssl_context,dh);
- DH_free(dh);
- DBUG_RETURN(ptr);
- ctor_failure:
- DBUG_PRINT("exit", ("there was an error"));
- my_free((gptr) ptr,MYF(0));
- DBUG_RETURN(0);
- }
- #endif /* HAVE_OPENSSL */