X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=doc%2Fcrypto%2FBIO_s_connect.pod;h=bcf7d8dcac7d837282a14e804fbc09e80d9bf479;hb=37fc8c3747b01bc13592de5ec1f2ff3399f52b42;hp=65723a70a458a886ba372379bd70a61025e5bb3b;hpb=2273d6b657183ef19b59f20e1c6c127915a746cb;p=oweals%2Fopenssl.git diff --git a/doc/crypto/BIO_s_connect.pod b/doc/crypto/BIO_s_connect.pod index 65723a70a4..bcf7d8dcac 100644 --- a/doc/crypto/BIO_s_connect.pod +++ b/doc/crypto/BIO_s_connect.pod @@ -13,25 +13,27 @@ BIO_set_nbio, BIO_do_connect - connect BIO BIO_METHOD * BIO_s_connect(void); - #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name) - #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port) - #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip) - #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port) - #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0) - #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1) - #define BIO_get_conn_ip(b,ip) BIO_ptr_ctrl(b,BIO_C_SET_CONNECT,2) - #define BIO_get_conn_int_port(b,port) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,port) + BIO *BIO_new_connect(char *name); - #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) + long BIO_set_conn_hostname(BIO *b, char *name); + long BIO_set_conn_port(BIO *b, char *port); + long BIO_set_conn_ip(BIO *b, char *ip); + long BIO_set_conn_int_port(BIO *b, char *port); + char *BIO_get_conn_hostname(BIO *b); + char *BIO_get_conn_port(BIO *b); + char *BIO_get_conn_ip(BIO *b, dummy); + long BIO_get_conn_int_port(BIO *b, int port); - #define BIO_do_connect(b) BIO_do_handshake(b) + long BIO_set_nbio(BIO *b, long n); + + int BIO_do_connect(BIO *b); =head1 DESCRIPTION BIO_s_connect() returns the connect BIO method. This is a wrapper round the platform's TCP/IP socket connection routines. -Using connect BIOs TCP/IP connections can be made and data +Using connect BIOs, TCP/IP connections can be made and data transferred using only BIO routines. In this way any platform specific operations are hidden by the BIO abstraction. @@ -54,7 +56,7 @@ BIO_get_fd() places the underlying socket in B if it is not NULL, it also returns the socket . If B is not NULL it should be of type (int *). -BIO_set_conn_hostname() uses the string B to set the hostname +BIO_set_conn_hostname() uses the string B to set the hostname. The hostname can be an IP address. The hostname can also include the port in the form hostname:port . It is also acceptable to use the form "hostname/any/other/path" or "hostname:port/any/other/path". @@ -66,13 +68,13 @@ fails a standard table of port names will be used. Currently the list is http, telnet, socks, https, ssl, ftp, gopher and wais. BIO_set_conn_ip() sets the IP address to B using binary form, -that is four bytes specifying the IP address in big endian form. +that is four bytes specifying the IP address in big-endian form. BIO_set_conn_int_port() sets the port using B. B should be of type (int *). BIO_get_conn_hostname() returns the hostname of the connect BIO or -NULL if the BIO is initialised but no hostname is set. +NULL if the BIO is initialized but no hostname is set. This return value is an internal pointer which should not be modified. BIO_get_conn_port() returns the port as a string. @@ -87,6 +89,9 @@ is set. Blocking I/O is the default. The call to BIO_set_nbio() should be made before the connection is established because non blocking I/O is set during the connect process. +BIO_new_connect() combines BIO_new() and BIO_set_conn_hostname() into +a single call: that is it creates a new connect BIO with B. + BIO_do_connect() attempts to connect the supplied BIO. It returns 1 if the connection was established successfully. A zero or negative value is returned if the connection could not be established, the @@ -120,15 +125,20 @@ It addition to BIO_should_read() and BIO_should_write() it is also possible for BIO_should_io_special() to be true during the initial connection process with the reason BIO_RR_CONNECT. If this is returned then this is an indication that a connection attempt would block, -the application should then take appropiate action to wait until +the application should then take appropriate action to wait until the underlying socket has connected and retry the call. +BIO_set_conn_hostname(), BIO_set_conn_port(), BIO_set_conn_ip(), +BIO_set_conn_int_port(), BIO_get_conn_hostname(), BIO_get_conn_port(), +BIO_get_conn_ip(), BIO_get_conn_int_port(), BIO_set_nbio() and +BIO_do_connect() are macros. + =head1 RETURN VALUES BIO_s_connect() returns the connect BIO method. BIO_get_fd() returns the socket or -1 if the BIO has not -been initialised. +been initialized. BIO_set_conn_hostname(), BIO_set_conn_port(), BIO_set_conn_ip() and BIO_set_conn_int_port() always return 1.