mirror of
https://github.com/MariaDB/server.git
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278 lines
7.9 KiB
C
278 lines
7.9 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* We implement virtual IO by trapping needed vio_* calls and mapping
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* them to different function pointers by type
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*/
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/*
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* Purpose: include file for st_vio that will work with C and C++
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*/
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#ifndef vio_violite_h_
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#define vio_violite_h_
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#include "my_net.h" /* needed because of struct in_addr */
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/* Simple vio interface in C; The functions are implemented in violite.c */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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enum enum_vio_type { VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET,
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VIO_TYPE_NAMEDPIPE, VIO_TYPE_SSL};
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#ifndef st_vio_defined
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#define st_vio_defined
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struct st_vio; /* Only C */
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typedef struct st_vio st_vio;
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#endif
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st_vio* vio_new(my_socket sd,
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enum enum_vio_type type,
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my_bool localhost);
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#ifdef __WIN__
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st_vio* vio_new_win32pipe(HANDLE hPipe);
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#endif
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void vio_delete(st_vio* vio);
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#ifdef EMBEDDED_LIBRARY
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void vio_reset(st_vio *vio);
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#endif
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/*
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* vio_read and vio_write should have the same semantics
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* as read(2) and write(2).
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*/
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int vio_read( st_vio* vio,
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gptr buf, int size);
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int vio_write( st_vio* vio,
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const gptr buf,
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int size);
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/*
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* Whenever the socket is set to blocking mode or not.
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*/
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int vio_blocking( st_vio* vio,
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my_bool onoff);
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my_bool vio_is_blocking( st_vio* vio);
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/*
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* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible.
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*/
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int vio_fastsend( st_vio* vio);
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/*
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* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible.
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*/
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int vio_keepalive( st_vio* vio,
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my_bool onoff);
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/*
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* Whenever we should retry the last read/write operation.
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*/
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my_bool vio_should_retry( st_vio* vio);
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/*
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* When the workday is over...
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*/
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int vio_close(st_vio* vio);
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/*
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* Short text description of the socket for those, who are curious..
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*/
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const char* vio_description( st_vio* vio);
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/* Return the type of the connection */
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enum enum_vio_type vio_type(st_vio* vio);
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/* Return last error number */
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int vio_errno(st_vio *vio);
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/* Get socket number */
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my_socket vio_fd(st_vio *vio);
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/*
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* Remote peer's address and name in text form.
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*/
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my_bool vio_peer_addr(st_vio * vio, char *buf);
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/* Remotes in_addr */
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void vio_in_addr(st_vio *vio, struct in_addr *in);
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/* Return 1 if there is data to be read */
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my_bool vio_poll_read(st_vio *vio,uint timeout);
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#ifdef __cplusplus
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}
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#endif
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#endif /* vio_violite_h_ */
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#ifdef HAVE_VIO
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#ifndef DONT_MAP_VIO
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#define vio_delete(vio) (vio)->viodelete(vio)
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#define vio_errno(vio) (vio)->vioerrno(vio)
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#define vio_read(vio, buf, size) (vio)->read(vio,buf,size)
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#define vio_write(vio, buf, size) (vio)->write(vio, buf, size)
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#define vio_blocking(vio, set_blocking_mode) (vio)->vioblocking(vio, set_blocking_mode)
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#define vio_is_blocking(vio) (vio)->is_blocking(vio)
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#define vio_fastsend(vio) (vio)->fastsend(vio)
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#define vio_keepalive(vio, set_keep_alive) (vio)->viokeepalive(vio, set_keep_alive)
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#define vio_should_retry(vio) (vio)->should_retry(vio)
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#define vio_close(vio) ((vio)->vioclose)(vio)
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#define vio_peer_addr(vio, buf) (vio)->peer_addr(vio, buf)
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#define vio_in_addr(vio, in) (vio)->in_addr(vio, in)
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#define vio_poll_read(vio,timeout) (vio)->poll_read(vio,timeout)
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#endif /* !DONT_MAP_VIO */
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#endif /* HAVE_VIO */
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#ifdef HAVE_OPENSSL
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#include <openssl/x509.h>
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/asn1.h>
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#include "my_net.h" /* needed because of struct in_addr */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#ifndef st_vio_defined
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#define st_vio_defined
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struct st_vio; /* Only C */
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typedef struct st_vio st_vio;
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#endif
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void vio_ssl_delete(st_vio* vio);
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#ifdef EMBEDDED_LIBRARY
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void vio_reset(st_vio *vio);
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#endif
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int vio_ssl_read(st_vio* vio,gptr buf, int size);
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int vio_ssl_write(st_vio* vio,const gptr buf,int size);
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int vio_ssl_blocking(st_vio* vio,my_bool onoff);
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my_bool vio_ssl_is_blocking(st_vio* vio);
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/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible. */
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int vio_ssl_fastsend(st_vio* vio);
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/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible. */
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int vio_ssl_keepalive(st_vio* vio, my_bool onoff);
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/* Whenever we should retry the last read/write operation. */
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my_bool vio_ssl_should_retry(st_vio* vio);
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/* When the workday is over... */
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int vio_ssl_close(st_vio* vio);
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/* Return last error number */
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int vio_ssl_errno(st_vio *vio);
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my_bool vio_ssl_peer_addr(st_vio * vio, char *buf);
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void vio_ssl_in_addr(st_vio *vio, struct in_addr *in);
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/* Return 1 if there is data to be read */
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my_bool vio_ssl_poll_read(st_vio *vio,uint timeout);
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#ifdef HAVE_OPENSSL
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/* Single copy for server */
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struct st_VioSSLAcceptorFd
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{
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SSL_CTX* ssl_context_;
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SSL_METHOD* ssl_method_;
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struct st_VioSSLAcceptorFd* session_id_context_;
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enum {
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state_connect = 1,
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state_accept = 2
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};
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BIO* bio_;
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char *ssl_cip_;
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char desc_[100];
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st_vio* sd_;
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/* function pointers which are only once for SSL server */
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// struct st_vio *(*sslaccept)(struct st_VioSSLAcceptorFd*,st_vio*);
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};
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/* One copy for client */
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struct st_VioSSLConnectorFd
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{
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BIO* bio_;
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gptr ssl_;
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SSL_CTX* ssl_context_;
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SSL_METHOD* ssl_method_;
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/* function pointers which are only once for SSL client */
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};
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struct st_vio *sslaccept(struct st_VioSSLAcceptorFd*, struct st_vio*);
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struct st_vio *sslconnect(struct st_VioSSLConnectorFd*, struct st_vio*);
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#else /* HAVE_OPENSSL */
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/* This dummy is required to maintain proper size of st_mysql in mysql.h */
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struct st_VioSSLConnectorFd {};
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#endif /* HAVE_OPENSSL */
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struct st_VioSSLConnectorFd *new_VioSSLConnectorFd(
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const char* key_file,const char* cert_file,const char* ca_file,const char* ca_path);
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struct st_VioSSLAcceptorFd *new_VioSSLAcceptorFd(
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const char* key_file,const char* cert_file,const char* ca_file,const char* ca_path);
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struct st_vio* new_VioSSL(struct st_VioSSLAcceptorFd* fd, struct st_vio * sd,int state);
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static int
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init_bio_(struct st_VioSSLAcceptorFd* fd, struct st_vio* sd, int state, int bio_flags);
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static void
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report_errors();
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAVE_OPENSSL */
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#ifndef __WIN__
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#define HANDLE void *
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#endif
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/* This structure is for every connection on both sides */
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struct st_vio
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{
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my_socket sd; /* my_socket - real or imaginary */
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HANDLE hPipe;
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my_bool localhost; /* Are we from localhost? */
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int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
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struct sockaddr_in local; /* Local internet address */
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struct sockaddr_in remote; /* Remote internet address */
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enum enum_vio_type type; /* Type of connection */
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char desc[30]; /* String description */
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#ifdef HAVE_VIO
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/* function pointers. They are similar for socket/SSL/whatever */
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void (*viodelete)(st_vio *);
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int(*vioerrno)(st_vio*);
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int(*read)(st_vio*, gptr, int);
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int(*write)(st_vio*, gptr, int);
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int(*vioblocking)(st_vio*, my_bool);
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my_bool(*is_blocking)(st_vio*);
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int(*viokeepalive)(st_vio *, my_bool);
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int(*fastsend)(st_vio *);
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my_bool(*peer_addr)(st_vio*, gptr);
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void(*in_addr)(st_vio*, struct in_addr*);
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my_bool(*should_retry)(st_vio *);
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int(*vioclose)(st_vio *);
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my_bool(*poll_read)(st_vio *,uint);
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#ifdef HAVE_OPENSSL
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BIO* bio_;
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SSL* ssl_;
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my_bool open_;
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#endif /* HAVE_OPENSSL */
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#endif /* HAVE_VIO */
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};
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