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proc
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thread-self
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root
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proc
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self
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root
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proc
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self
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usr
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include
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mysql
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violite.h
/* Copyright (c) 2000, 2012, Oracle and/or its affiliates. Copyright (c) 2012, 2020, MariaDB Corporation. 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; version 2 of the License. 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 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 */ #include <mysql/psi/mysql_socket.h> /* Simple vio interface in C; The functions are implemented in violite.c */ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #ifdef __cplusplus typedef struct st_vio Vio; #endif /* __cplusplus */ enum enum_vio_type { VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET, VIO_TYPE_NAMEDPIPE, VIO_TYPE_SSL /* see also vio_type_names[] */ }; enum enum_vio_state { VIO_STATE_NOT_INITIALIZED, VIO_STATE_ACTIVE, VIO_STATE_SHUTDOWN, VIO_STATE_CLOSED }; #define FIRST_VIO_TYPE VIO_CLOSED #define LAST_VIO_TYPE VIO_TYPE_SSL /** VIO I/O events. */ enum enum_vio_io_event { VIO_IO_EVENT_READ, VIO_IO_EVENT_WRITE, VIO_IO_EVENT_CONNECT }; struct vio_keepalive_opts { int interval; int idle; int probes; }; #define VIO_TLSv1_0 1 #define VIO_TLSv1_1 2 #define VIO_TLSv1_2 4 #define VIO_TLSv1_3 8 #define VIO_LOCALHOST 1U /* a localhost connection */ #define VIO_BUFFERED_READ 2U /* use buffered read */ #define VIO_READ_BUFFER_SIZE 16384U /* size of read buffer */ #define VIO_DESCRIPTION_SIZE 30 /* size of description */ Vio* vio_new(my_socket sd, enum enum_vio_type type, uint flags); Vio* mysql_socket_vio_new(MYSQL_SOCKET mysql_socket, enum enum_vio_type type, uint flags); #ifdef _WIN32 Vio* vio_new_win32pipe(HANDLE hPipe); #else #define HANDLE void * #endif /* _WIN32 */ void vio_delete(Vio* vio); int vio_close(Vio* vio); my_bool vio_reset(Vio* vio, enum enum_vio_type type, my_socket sd, void *ssl, uint flags); size_t vio_read(Vio *vio, uchar * buf, size_t size); size_t vio_read_buff(Vio *vio, uchar * buf, size_t size); size_t vio_write(Vio *vio, const uchar * buf, size_t size); int vio_blocking(Vio *vio, my_bool onoff, my_bool *old_mode); my_bool vio_is_blocking(Vio *vio); /* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */ int vio_nodelay(Vio *vio, my_bool on); int vio_fastsend(Vio *vio); /* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */ int vio_keepalive(Vio *vio, my_bool onoff); int vio_set_keepalive_options(Vio * vio, const struct vio_keepalive_opts *opts); /* Whenever we should retry the last read/write operation. */ my_bool vio_should_retry(Vio *vio); /* Check that operation was timed out */ my_bool vio_was_timeout(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, uint16 *port, size_t buflen); /* Wait for an I/O event notification. */ int vio_io_wait(Vio *vio, enum enum_vio_io_event event, int timeout); my_bool vio_is_connected(Vio *vio); ssize_t vio_pending(Vio *vio); /* Set timeout for a network operation. */ extern int vio_timeout(Vio *vio, uint which, int timeout_sec); extern void vio_set_wait_callback(void (*before_wait)(void), void (*after_wait)(void)); /* Connect to a peer. */ my_bool vio_socket_connect(Vio *vio, struct sockaddr *addr, socklen_t len, int timeout); void vio_get_normalized_ip(const struct sockaddr *src, size_t src_length, struct sockaddr *dst); my_bool vio_get_normalized_ip_string(const struct sockaddr *addr, size_t addr_length, char *ip_string, size_t ip_string_size); my_bool vio_is_no_name_error(int err_code); int vio_getnameinfo(const struct sockaddr *sa, char *hostname, size_t hostname_size, char *port, size_t port_size, int flags); #ifdef HAVE_OPENSSL /* apple deprecated openssl in MacOSX Lion */ #ifdef __APPLE__ #pragma GCC diagnostic ignored "-Wdeprecated-declarations" #endif #define HEADER_DES_LOCL_H dummy_something #define YASSL_MYSQL_COMPATIBLE #ifndef YASSL_PREFIX #define YASSL_PREFIX #endif /* Set yaSSL to use same type as MySQL do for socket handles */ typedef my_socket YASSL_SOCKET_T; #define YASSL_SOCKET_T_DEFINED #define template _template /* bug in WolfSSL 4.4.0, see also my_crypt.cc */ #include <openssl/ssl.h> #undef template #include <openssl/err.h> #ifdef DEPRECATED #undef DEPRECATED #endif enum enum_ssl_init_error { SSL_INITERR_NOERROR= 0, SSL_INITERR_CERT, SSL_INITERR_KEY, SSL_INITERR_NOMATCH, SSL_INITERR_BAD_PATHS, SSL_INITERR_CIPHERS, SSL_INITERR_MEMFAIL, SSL_INITERR_DH, SSL_INITERR_PROTOCOL, SSL_INITERR_LASTERR }; const char* sslGetErrString(enum enum_ssl_init_error err); struct st_VioSSLFd { SSL_CTX *ssl_context; }; int sslaccept(struct st_VioSSLFd*, Vio *, long timeout, unsigned long *errptr); int sslconnect(struct st_VioSSLFd*, Vio *, long timeout, unsigned long *errptr); void vio_check_ssl_init(); struct st_VioSSLFd *new_VioSSLConnectorFd(const char *key_file, const char *cert_file, const char *ca_file, const char *ca_path, const char *cipher, enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path); struct st_VioSSLFd *new_VioSSLAcceptorFd(const char *key_file, const char *cert_file, const char *ca_file,const char *ca_path, const char *cipher, enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path, ulonglong tls_version); void free_vio_ssl_acceptor_fd(struct st_VioSSLFd *fd); #endif /* HAVE_OPENSSL */ void vio_end(void); const char *vio_type_name(enum enum_vio_type vio_type, size_t *len); #ifdef __cplusplus } #endif #if !defined(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, old_mode)\ (vio)->vioblocking(vio, set_blocking_mode, old_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_was_timeout(vio) (vio)->was_timeout(vio) #define vio_close(vio) ((vio)->vioclose)(vio) #define vio_shutdown(vio,how) ((vio)->shutdown)(vio,how) #define vio_peer_addr(vio, buf, prt, buflen) (vio)->peer_addr(vio, buf, prt, buflen) #define vio_io_wait(vio, event, timeout) (vio)->io_wait(vio, event, timeout) #define vio_is_connected(vio) (vio)->is_connected(vio) #endif /* !defined(DONT_MAP_VIO) */ #ifdef _WIN32 /* shutdown(2) flags */ #ifndef SHUT_RD #define SHUT_RD SD_RECEIVE #endif #endif /* This enumerator is used in parser - should be always visible */ enum SSL_type { SSL_TYPE_NOT_SPECIFIED= -1, SSL_TYPE_NONE, SSL_TYPE_ANY, SSL_TYPE_X509, SSL_TYPE_SPECIFIED }; /* HFTODO - hide this if we don't want client in embedded server */ /* This structure is for every connection on both sides */ struct st_vio { MYSQL_SOCKET mysql_socket; /* Instrumented socket */ my_bool localhost; /* Are we from localhost? */ int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */ struct sockaddr_storage local; /* Local internet address */ struct sockaddr_storage remote; /* Remote internet address */ enum enum_vio_type type; /* Type of connection */ enum enum_vio_state state; /* State of the connection */ const char *desc; /* String description */ char *read_buffer; /* buffer for vio_read_buff */ char *read_pos; /* start of unfetched data in the read buffer */ char *read_end; /* end of unfetched data */ int read_timeout; /* Timeout value (ms) for read ops. */ int write_timeout; /* Timeout value (ms) for write ops. */ /* function pointers. They are similar for socket/SSL/whatever */ void (*viodelete)(Vio*); int (*vioerrno)(Vio*); size_t (*read)(Vio*, uchar *, size_t); size_t (*write)(Vio*, const uchar *, size_t); int (*timeout)(Vio*, uint, my_bool); int (*vioblocking)(Vio*, my_bool, my_bool *); my_bool (*is_blocking)(Vio*); int (*viokeepalive)(Vio*, my_bool); int (*fastsend)(Vio*); my_bool (*peer_addr)(Vio*, char *, uint16*, size_t); void (*in_addr)(Vio*, struct sockaddr_storage*); my_bool (*should_retry)(Vio*); my_bool (*was_timeout)(Vio*); int (*vioclose)(Vio*); my_bool (*is_connected)(Vio*); int (*shutdown)(Vio *, int); my_bool (*has_data) (Vio*); int (*io_wait)(Vio*, enum enum_vio_io_event, int); my_bool (*connect)(Vio*, struct sockaddr *, socklen_t, int); #ifdef HAVE_OPENSSL void *ssl_arg; #endif #ifdef _WIN32 HANDLE hPipe; OVERLAPPED overlapped; int shutdown_flag; void *tp_ctx; /* threadpool context */ #endif }; #endif /* vio_violite_h_ */
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