/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ /* * Vio Lite. * Purpose: include file for Vio that will work with C and C++ */ #ifndef vio_violite_h_ #define vio_violite_h_ #include "my_net.h" /* needed because of struct in_addr */ /* Simple vio interface in C; The functions are implemented in violite.c */ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ enum enum_vio_type { VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET, VIO_TYPE_NAMEDPIPE, VIO_TYPE_SSL}; #ifndef __WIN__ #define HANDLE void * #endif Vio* vio_new(my_socket sd, enum enum_vio_type type, my_bool localhost); #ifdef __WIN__ Vio* vio_new_win32pipe(HANDLE hPipe); #endif void vio_delete(Vio* vio); #ifdef EMBEDDED_LIBRARY void vio_reset(Vio *vio); #else void vio_reset(Vio* vio, enum enum_vio_type type, my_socket sd, HANDLE hPipe, my_bool localhost); #endif /* * vio_read and vio_write should have the same semantics * as read(2) and write(2). */ int vio_read( Vio* vio, gptr buf, int size); int vio_write( Vio* vio, const gptr buf, int size); /* * Whenever the socket is set to blocking mode or not. */ int vio_blocking( Vio* vio, my_bool onoff); my_bool vio_is_blocking( Vio* vio); /* * setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible. */ int vio_fastsend( Vio* vio); /* * setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible. */ int vio_keepalive( Vio* vio, my_bool onoff); /* * Whenever we should retry the last read/write operation. */ my_bool vio_should_retry( Vio* vio); /* * When the workday is over... */ int vio_close(Vio* vio); /* * Short text description of the socket for those, who are curious.. */ const char* vio_description( Vio* vio); /* Return the type of the connection */ enum enum_vio_type vio_type(Vio* vio); /* Return last error number */ int vio_errno(Vio*vio); /* Get socket number */ my_socket vio_fd(Vio*vio); /* * Remote peer's address and name in text form. */ my_bool vio_peer_addr(Vio* vio, char *buf); /* Remotes in_addr */ void vio_in_addr(Vio *vio, struct in_addr *in); /* Return 1 if there is data to be read */ my_bool vio_poll_read(Vio *vio,uint timeout); #ifdef __cplusplus } #endif #endif /* vio_violite_h_ */ #ifdef HAVE_VIO #ifndef DONT_MAP_VIO #define vio_delete(vio) (vio)->viodelete(vio) #define vio_errno(vio) (vio)->vioerrno(vio) #define vio_read(vio, buf, size) (vio)->read(vio,buf,size) #define vio_write(vio, buf, size) (vio)->write(vio, buf, size) #define vio_blocking(vio, set_blocking_mode) (vio)->vioblocking(vio, set_blocking_mode) #define vio_is_blocking(vio) (vio)->is_blocking(vio) #define vio_fastsend(vio) (vio)->fastsend(vio) #define vio_keepalive(vio, set_keep_alive) (vio)->viokeepalive(vio, set_keep_alive) #define vio_should_retry(vio) (vio)->should_retry(vio) #define vio_close(vio) ((vio)->vioclose)(vio) #define vio_peer_addr(vio, buf) (vio)->peer_addr(vio, buf) #define vio_in_addr(vio, in) (vio)->in_addr(vio, in) #define vio_poll_read(vio,timeout) (vio)->poll_read(vio,timeout) #endif /* !DONT_MAP_VIO */ #endif /* HAVE_VIO */ #ifdef HAVE_OPENSSL #include #include #include #include #include #include "my_net.h" /* needed because of struct in_addr */ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ void vio_ssl_delete(Vio* vio); int vio_ssl_read(Vio* vio,gptr buf, int size); int vio_ssl_write(Vio* vio,const gptr buf,int size); int vio_ssl_blocking(Vio* vio,my_bool onoff); my_bool vio_ssl_is_blocking(Vio* vio); /* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible. */ int vio_ssl_fastsend(Vio* vio); /* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible. */ int vio_ssl_keepalive(Vio* vio, my_bool onoff); /* Whenever we should retry the last read/write operation. */ my_bool vio_ssl_should_retry(Vio* vio); /* When the workday is over... */ int vio_ssl_close(Vio* vio); /* Return last error number */ int vio_ssl_errno(Vio *vio); my_bool vio_ssl_peer_addr(Vio* vio, char *buf); void vio_ssl_in_addr(Vio *vio, struct in_addr *in); /* Return 1 if there is data to be read */ my_bool vio_ssl_poll_read(Vio *vio,uint timeout); #ifdef HAVE_OPENSSL /* Single copy for server */ struct st_VioSSLAcceptorFd { SSL_CTX* ssl_context_; SSL_METHOD* ssl_method_; struct st_VioSSLAcceptorFd* session_id_context_; enum { state_connect = 1, state_accept = 2 }; BIO* bio_; char *ssl_cip_; char desc_[100]; Vio* sd_; /* function pointers which are only once for SSL server Vio*(*sslaccept)(struct st_VioSSLAcceptorFd*,Vio*); */ }; /* One copy for client */ struct st_VioSSLConnectorFd { SSL_CTX* ssl_context_; SSL_METHOD* ssl_method_; /* function pointers which are only once for SSL client */ }; Vio *sslaccept(struct st_VioSSLAcceptorFd*, Vio*); Vio *sslconnect(struct st_VioSSLConnectorFd*, Vio*); #else /* HAVE_OPENSSL */ /* This dummy is required to maintain proper size of st_mysql in mysql.h */ struct st_VioSSLConnectorFd {}; #endif /* HAVE_OPENSSL */ struct st_VioSSLConnectorFd *new_VioSSLConnectorFd( const char* key_file,const char* cert_file,const char* ca_file,const char* ca_path); struct st_VioSSLAcceptorFd *new_VioSSLAcceptorFd( const char* key_file,const char* cert_file,const char* ca_file,const char* ca_path); Vio* new_VioSSL(struct st_VioSSLAcceptorFd* fd, Vio* sd,int state); #ifdef __cplusplus } #endif #endif /* HAVE_OPENSSL */ #ifndef EMBEDDED_LIBRARY /* This structure is for every connection on both sides */ struct st_vio { my_socket sd; /* my_socket - real or imaginary */ HANDLE hPipe; my_bool localhost; /* Are we from localhost? */ int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */ struct sockaddr_in local; /* Local internet address */ struct sockaddr_in remote; /* Remote internet address */ enum enum_vio_type type; /* Type of connection */ char desc[30]; /* String description */ #ifdef HAVE_VIO /* function pointers. They are similar for socket/SSL/whatever */ void (*viodelete)(Vio*); int(*vioerrno)(Vio*); int(*read)(Vio*, gptr, int); int(*write)(Vio*, gptr, int); int(*vioblocking)(Vio*, my_bool); my_bool(*is_blocking)(Vio*); int(*viokeepalive)(Vio*, my_bool); int(*fastsend)(Vio*); my_bool(*peer_addr)(Vio*, gptr); void(*in_addr)(Vio*, struct in_addr*); my_bool(*should_retry)(Vio*); int(*vioclose)(Vio*); my_bool(*poll_read)(Vio*,uint); #ifdef HAVE_OPENSSL BIO* bio_; SSL* ssl_; my_bool open_; #endif /* HAVE_OPENSSL */ #endif /* HAVE_VIO */ }; #endif /* EMBEDDED_LIBRARY */