/* * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef HEADER_BIO_H # define HEADER_BIO_H # include <openssl/e_os2.h> # ifndef OPENSSL_NO_STDIO # include <stdio.h> # endif # include <stdarg.h> # include <openssl/crypto.h> # include <openssl/bioerr.h> #ifdef __cplusplus extern "C" { #endif /* There are the classes of BIOs */ # define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */ # define BIO_TYPE_FILTER 0x0200 # define BIO_TYPE_SOURCE_SINK 0x0400 /* These are the 'types' of BIOs */ # define BIO_TYPE_NONE 0 # define BIO_TYPE_MEM ( 1|BIO_TYPE_SOURCE_SINK) # define BIO_TYPE_FILE ( 2|BIO_TYPE_SOURCE_SINK) # define BIO_TYPE_FD ( 4|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) # define BIO_TYPE_SOCKET ( 5|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) # define BIO_TYPE_NULL ( 6|BIO_TYPE_SOURCE_SINK) # define BIO_TYPE_SSL ( 7|BIO_TYPE_FILTER) # define BIO_TYPE_MD ( 8|BIO_TYPE_FILTER) # define BIO_TYPE_BUFFER ( 9|BIO_TYPE_FILTER) # define BIO_TYPE_CIPHER (10|BIO_TYPE_FILTER) # define BIO_TYPE_BASE64 (11|BIO_TYPE_FILTER) # define BIO_TYPE_CONNECT (12|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) # define BIO_TYPE_ACCEPT (13|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) # define BIO_TYPE_NBIO_TEST (16|BIO_TYPE_FILTER)/* server proxy BIO */ # define BIO_TYPE_NULL_FILTER (17|BIO_TYPE_FILTER) # define BIO_TYPE_BIO (19|BIO_TYPE_SOURCE_SINK)/* half a BIO pair */ # define BIO_TYPE_LINEBUFFER (20|BIO_TYPE_FILTER) # define BIO_TYPE_DGRAM (21|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) # define BIO_TYPE_ASN1 (22|BIO_TYPE_FILTER) # define BIO_TYPE_COMP (23|BIO_TYPE_FILTER) # ifndef OPENSSL_NO_SCTP # define BIO_TYPE_DGRAM_SCTP (24|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) # endif #define BIO_TYPE_START 128 /* * BIO_FILENAME_READ|BIO_CLOSE to open or close on free. * BIO_set_fp(in,stdin,BIO_NOCLOSE); */ # define BIO_NOCLOSE 0x00 # define BIO_CLOSE 0x01 /* * These are used in the following macros and are passed to BIO_ctrl() */ # define BIO_CTRL_RESET 1/* opt - rewind/zero etc */ # define BIO_CTRL_EOF 2/* opt - are we at the eof */ # define BIO_CTRL_INFO 3/* opt - extra tit-bits */ # define BIO_CTRL_SET 4/* man - set the 'IO' type */ # define BIO_CTRL_GET 5/* man - get the 'IO' type */ # define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */ # define BIO_CTRL_POP 7/* opt - internal, used to signify change */ # define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */ # define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */ # define BIO_CTRL_PENDING 10/* opt - is their more data buffered */ # define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */ # define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */ # define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */ # define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */ # define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */ # define BIO_CTRL_PEEK 29/* BIO_f_buffer special */ # define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */ /* dgram BIO stuff */ # define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */ # define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected * socket to be passed in */ # define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */ # define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */ # define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */ # define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */ # define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */ # define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation tiemd out */ /* #ifdef IP_MTU_DISCOVER */ # define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */ /* #endif */ # define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */ # define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47 # define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */ # define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU. * want to use this if asking * the kernel fails */ # define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was * exceed in the previous write * operation */ # define BIO_CTRL_DGRAM_GET_PEER 46 # define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */ # define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout * to adjust socket timeouts */ # define BIO_CTRL_DGRAM_SET_DONT_FRAG 48 # define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49 /* Deliberately outside of OPENSSL_NO_SCTP - used in bss_dgram.c */ # define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50 # ifndef OPENSSL_NO_SCTP /* SCTP stuff */ # define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51 # define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52 # define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53 # define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60 # define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61 # define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62 # define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63 # define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64 # define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65 # define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70 # endif # define BIO_CTRL_DGRAM_SET_PEEK_MODE 71 /* modifiers */ # define BIO_FP_READ 0x02 # define BIO_FP_WRITE 0x04 # define BIO_FP_APPEND 0x08 # define BIO_FP_TEXT 0x10 # define BIO_FLAGS_READ 0x01 # define BIO_FLAGS_WRITE 0x02 # define BIO_FLAGS_IO_SPECIAL 0x04 # define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) # define BIO_FLAGS_SHOULD_RETRY 0x08 # ifndef BIO_FLAGS_UPLINK /* * "UPLINK" flag denotes file descriptors provided by application. It * defaults to 0, as most platforms don't require UPLINK interface. */ # define BIO_FLAGS_UPLINK 0 # endif # define BIO_FLAGS_BASE64_NO_NL 0x100 /* * This is used with memory BIOs: * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way; * BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset. */ # define BIO_FLAGS_MEM_RDONLY 0x200 # define BIO_FLAGS_NONCLEAR_RST 0x400 # define BIO_FLAGS_IN_EOF 0x800 typedef union bio_addr_st BIO_ADDR; typedef struct bio_addrinfo_st BIO_ADDRINFO; int BIO_get_new_index(void); void BIO_set_flags(BIO *b, int flags); int BIO_test_flags(const BIO *b, int flags); void BIO_clear_flags(BIO *b, int flags); # define BIO_get_flags(b) BIO_test_flags(b, ~(0x0)) # define BIO_set_retry_special(b) \ BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) # define BIO_set_retry_read(b) \ BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) # define BIO_set_retry_write(b) \ BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) /* These are normally used internally in BIOs */ # define BIO_clear_retry_flags(b) \ BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) # define BIO_get_retry_flags(b) \ BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) /* These should be used by the application to tell why we should retry */ # define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ) # define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE) # define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL) # define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS) # define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY) /* * The next three are used in conjunction with the BIO_should_io_special() * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int * *reason); will walk the BIO stack and return the 'reason' for the special * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return * the code. */ /* * Returned from the SSL bio when the certificate retrieval code had an error */ # define BIO_RR_SSL_X509_LOOKUP 0x01 /* Returned from the connect BIO when a connect would have blocked */ # define BIO_RR_CONNECT 0x02 /* Returned from the accept BIO when an accept would have blocked */ # define BIO_RR_ACCEPT 0x03 /* These are passed by the BIO callback */ # define BIO_CB_FREE 0x01 # define BIO_CB_READ 0x02 # define BIO_CB_WRITE 0x03 # define BIO_CB_PUTS 0x04 # define BIO_CB_GETS 0x05 # define BIO_CB_CTRL 0x06 /* * The callback is called before and after the underling operation, The * BIO_CB_RETURN flag indicates if it is after the call */ # define BIO_CB_RETURN 0x80 # define BIO_CB_return(a) ((a)|BIO_CB_RETURN) # define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) # define BIO_cb_post(a) ((a)&BIO_CB_RETURN) typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi, long argl, long ret); typedef long (*BIO_callback_fn_ex)(BIO *b, int oper, const char *argp, size_t len, int argi, long argl, int ret, size_t *processed); BIO_callback_fn BIO_get_callback(const BIO *b); void BIO_set_callback(BIO *b, BIO_callback_fn callback); BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b); void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback); char *BIO_get_callback_arg(const BIO *b); void BIO_set_callback_arg(BIO *b, char *arg); typedef struct bio_method_st BIO_METHOD; const char *BIO_method_name(const BIO *b); int BIO_method_type(const BIO *b); typedef int BIO_info_cb(BIO *, int, int); typedef BIO_info_cb bio_info_cb; /* backward compatibility */ DEFINE_STACK_OF(BIO) /* Prefix and suffix callback in ASN1 BIO */ typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen, void *parg); # ifndef OPENSSL_NO_SCTP /* SCTP parameter structs */ struct bio_dgram_sctp_sndinfo { uint16_t snd_sid; uint16_t snd_flags; uint32_t snd_ppid; uint32_t snd_context; }; struct bio_dgram_sctp_rcvinfo { uint16_t rcv_sid; uint16_t rcv_ssn; uint16_t rcv_flags; uint32_t rcv_ppid; uint32_t rcv_tsn; uint32_t rcv_cumtsn; uint32_t rcv_context; }; struct bio_dgram_sctp_prinfo { uint16_t pr_policy; uint32_t pr_value; }; # endif /* * #define BIO_CONN_get_param_hostname BIO_ctrl */ # define BIO_C_SET_CONNECT 100 # define BIO_C_DO_STATE_MACHINE 101 # define BIO_C_SET_NBIO 102 /* # define BIO_C_SET_PROXY_PARAM 103 */ # define BIO_C_SET_FD 104 # define BIO_C_GET_FD 105 # define BIO_C_SET_FILE_PTR 106 # define BIO_C_GET_FILE_PTR 107 # define BIO_C_SET_FILENAME 108 # define BIO_C_SET_SSL 109 # define BIO_C_GET_SSL 110 # define BIO_C_SET_MD 111 # define BIO_C_GET_MD 112 # define BIO_C_GET_CIPHER_STATUS 113 # define BIO_C_SET_BUF_MEM 114 # define BIO_C_GET_BUF_MEM_PTR 115 # define BIO_C_GET_BUFF_NUM_LINES 116 # define BIO_C_SET_BUFF_SIZE 117 # define BIO_C_SET_ACCEPT 118 # define BIO_C_SSL_MODE 119 # define BIO_C_GET_MD_CTX 120 /* # define BIO_C_GET_PROXY_PARAM 121 */ # define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */ # define BIO_C_GET_CONNECT 123 # define BIO_C_GET_ACCEPT 124 # define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 # define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 # define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 # define BIO_C_FILE_SEEK 128 # define BIO_C_GET_CIPHER_CTX 129 # define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input * value */ # define BIO_C_SET_BIND_MODE 131 # define BIO_C_GET_BIND_MODE 132 # define BIO_C_FILE_TELL 133 # define BIO_C_GET_SOCKS 134 # define BIO_C_SET_SOCKS 135 # define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ # define BIO_C_GET_WRITE_BUF_SIZE 137 # define BIO_C_MAKE_BIO_PAIR 138 # define BIO_C_DESTROY_BIO_PAIR 139 # define BIO_C_GET_WRITE_GUARANTEE 140 # define BIO_C_GET_READ_REQUEST 141 # define BIO_C_SHUTDOWN_WR 142 # define BIO_C_NREAD0 143 # define BIO_C_NREAD 144 # define BIO_C_NWRITE0 145 # define BIO_C_NWRITE 146 # define BIO_C_RESET_READ_REQUEST 147 # define BIO_C_SET_MD_CTX 148 # define BIO_C_SET_PREFIX 149 # define BIO_C_GET_PREFIX 150 # define BIO_C_SET_SUFFIX 151 # define BIO_C_GET_SUFFIX 152 # define BIO_C_SET_EX_ARG 153 # define BIO_C_GET_EX_ARG 154 # define BIO_C_SET_CONNECT_MODE 155 # define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) # define BIO_get_app_data(s) BIO_get_ex_data(s,0) # define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) # ifndef OPENSSL_NO_SOCK /* IP families we support, for BIO_s_connect() and BIO_s_accept() */ /* Note: the underlying operating system may not support some of them */ # define BIO_FAMILY_IPV4 4 # define BIO_FAMILY_IPV6 6 # define BIO_FAMILY_IPANY 256 /* BIO_s_connect() */ # 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_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \ (char *)(addr)) # define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f) # define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)) # define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)) # define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)) # define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL) # define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL) /* BIO_s_accept() */ # define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \ (char *)(name)) # define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \ (char *)(port)) # define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)) # define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1)) # define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2)) # define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3)) /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ # define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL) # define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \ (char *)(bio)) # define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f) # define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL) /* Aliases kept for backward compatibility */ # define BIO_BIND_NORMAL 0 # define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR # define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR # define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) # define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) /* BIO_s_accept() and BIO_s_connect() */ # define BIO_do_connect(b) BIO_do_handshake(b) # define BIO_do_accept(b) BIO_do_handshake(b) # endif /* OPENSSL_NO_SOCK */ # define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) /* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */ # define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) # define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c)) /* BIO_s_file() */ # define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp)) # define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp)) /* BIO_s_fd() and BIO_s_file() */ # define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) # define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) /* * name is cast to lose const, but might be better to route through a * function so we can do it safely */ # ifdef CONST_STRICT /* * If you are wondering why this isn't defined, its because CONST_STRICT is * purely a compile-time kludge to allow const to be checked. */ int BIO_read_filename(BIO *b, const char *name); # else # define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_READ,(char *)(name)) # endif # define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_WRITE,name) # define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_APPEND,name) # define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) /* * WARNING WARNING, this ups the reference count on the read bio of the SSL * structure. This is because the ssl read BIO is now pointed to by the * next_bio field in the bio. So when you free the BIO, make sure you are * doing a BIO_free_all() to catch the underlying BIO. */ # define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl)) # define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp)) # define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) # define BIO_set_ssl_renegotiate_bytes(b,num) \ BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL) # define BIO_get_num_renegotiates(b) \ BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL) # define BIO_set_ssl_renegotiate_timeout(b,seconds) \ BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL) /* defined in evp.h */ /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)(md)) */ # define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp)) # define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm)) # define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \ (char *)(pp)) # define BIO_set_mem_eof_return(b,v) \ BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) /* For the BIO_f_buffer() type */ # define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) # define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) # define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) # define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) # define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) /* Don't use the next one unless you know what you are doing :-) */ # define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) # define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) # define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) # define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) # define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) # define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) # define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) /* ...pending macros have inappropriate return type */ size_t BIO_ctrl_pending(BIO *b); size_t BIO_ctrl_wpending(BIO *b); # define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) # define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ cbp) # define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) /* For the BIO_f_buffer() type */ # define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) # define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s)) /* For BIO_s_bio() */ # define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) # define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) # define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) # define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) # define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) /* macros with inappropriate type -- but ...pending macros use int too: */ # define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) # define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) size_t BIO_ctrl_get_write_guarantee(BIO *b); size_t BIO_ctrl_get_read_request(BIO *b); int BIO_ctrl_reset_read_request(BIO *b); /* ctrl macros for dgram */ # define BIO_ctrl_dgram_connect(b,peer) \ (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer)) # define BIO_ctrl_set_connected(b,peer) \ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer)) # define BIO_dgram_recv_timedout(b) \ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL) # define BIO_dgram_send_timedout(b) \ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL) # define BIO_dgram_get_peer(b,peer) \ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer)) # define BIO_dgram_set_peer(b,peer) \ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer)) # define BIO_dgram_get_mtu_overhead(b) \ (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL) #define BIO_get_ex_new_index(l, p, newf, dupf, freef) \ CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef) int BIO_set_ex_data(BIO *bio, int idx, void *data); void *BIO_get_ex_data(BIO *bio, int idx); uint64_t BIO_number_read(BIO *bio); uint64_t BIO_number_written(BIO *bio); /* For BIO_f_asn1() */ int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, asn1_ps_func *prefix_free); int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, asn1_ps_func **pprefix_free); int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, asn1_ps_func *suffix_free); int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, asn1_ps_func **psuffix_free); const BIO_METHOD *BIO_s_file(void); BIO *BIO_new_file(const char *filename, const char *mode); # ifndef OPENSSL_NO_STDIO BIO *BIO_new_fp(FILE *stream, int close_flag); # endif BIO *BIO_new(const BIO_METHOD *type); int BIO_free(BIO *a); void BIO_set_data(BIO *a, void *ptr); void *BIO_get_data(BIO *a); void BIO_set_init(BIO *a, int init); int BIO_get_init(BIO *a); void BIO_set_shutdown(BIO *a, int shut); int BIO_get_shutdown(BIO *a); void BIO_vfree(BIO *a); int BIO_up_ref(BIO *a); int BIO_read(BIO *b, void *data, int dlen); int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes); int BIO_gets(BIO *bp, char *buf, int size); int BIO_write(BIO *b, const void *data, int dlen); int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written); int BIO_puts(BIO *bp, const char *buf); int BIO_indent(BIO *b, int indent, int max); long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp); void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg); long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); BIO *BIO_push(BIO *b, BIO *append); BIO *BIO_pop(BIO *b); void BIO_free_all(BIO *a); BIO *BIO_find_type(BIO *b, int bio_type); BIO *BIO_next(BIO *b); void BIO_set_next(BIO *b, BIO *next); BIO *BIO_get_retry_BIO(BIO *bio, int *reason); int BIO_get_retry_reason(BIO *bio); void BIO_set_retry_reason(BIO *bio, int reason); BIO *BIO_dup_chain(BIO *in); int BIO_nread0(BIO *bio, char **buf); int BIO_nread(BIO *bio, char **buf, int num); int BIO_nwrite0(BIO *bio, char **buf); int BIO_nwrite(BIO *bio, char **buf, int num); long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi, long argl, long ret); const BIO_METHOD *BIO_s_mem(void); const BIO_METHOD *BIO_s_secmem(void); BIO *BIO_new_mem_buf(const void *buf, int len); # ifndef OPENSSL_NO_SOCK const BIO_METHOD *BIO_s_socket(void); const BIO_METHOD *BIO_s_connect(void); const BIO_METHOD *BIO_s_accept(void); # endif const BIO_METHOD *BIO_s_fd(void); const BIO_METHOD *BIO_s_log(void); const BIO_METHOD *BIO_s_bio(void); const BIO_METHOD *BIO_s_null(void); const BIO_METHOD *BIO_f_null(void); const BIO_METHOD *BIO_f_buffer(void); const BIO_METHOD *BIO_f_linebuffer(void); const BIO_METHOD *BIO_f_nbio_test(void); # ifndef OPENSSL_NO_DGRAM const BIO_METHOD *BIO_s_datagram(void); int BIO_dgram_non_fatal_error(int error); BIO *BIO_new_dgram(int fd, int close_flag); # ifndef OPENSSL_NO_SCTP const BIO_METHOD *BIO_s_datagram_sctp(void); BIO *BIO_new_dgram_sctp(int fd, int close_flag); int BIO_dgram_is_sctp(BIO *bio); int BIO_dgram_sctp_notification_cb(BIO *b, void (*handle_notifications) (BIO *bio, void *context, void *buf), void *context); int BIO_dgram_sctp_wait_for_dry(BIO *b); int BIO_dgram_sctp_msg_waiting(BIO *b); # endif # endif # ifndef OPENSSL_NO_SOCK int BIO_sock_should_retry(int i); int BIO_sock_non_fatal_error(int error); # endif int BIO_fd_should_retry(int i); int BIO_fd_non_fatal_error(int error); int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), void *u, const char *s, int len); int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), void *u, const char *s, int len, int indent); int BIO_dump(BIO *b, const char *bytes, int len); int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent); # ifndef OPENSSL_NO_STDIO int BIO_dump_fp(FILE *fp, const char *s, int len); int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent); # endif int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, int datalen); # ifndef OPENSSL_NO_SOCK BIO_ADDR *BIO_ADDR_new(void); int BIO_ADDR_rawmake(BIO_ADDR *ap, int family, const void *where, size_t wherelen, unsigned short port); void BIO_ADDR_free(BIO_ADDR *); void BIO_ADDR_clear(BIO_ADDR *ap); int BIO_ADDR_family(const BIO_ADDR *ap); int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l); unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap); char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric); char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric); char *BIO_ADDR_path_string(const BIO_ADDR *ap); const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai); int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai); int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai); int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai); const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai); void BIO_ADDRINFO_free(BIO_ADDRINFO *bai); enum BIO_hostserv_priorities { BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV }; int BIO_parse_hostserv(const char *hostserv, char **host, char **service, enum BIO_hostserv_priorities hostserv_prio); enum BIO_lookup_type { BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER }; int BIO_lookup(const char *host, const char *service, enum BIO_lookup_type lookup_type, int family, int socktype, BIO_ADDRINFO **res); int BIO_lookup_ex(const char *host, const char *service, int lookup_type, int family, int socktype, int protocol, BIO_ADDRINFO **res); int BIO_sock_error(int sock); int BIO_socket_ioctl(int fd, long type, void *arg); int BIO_socket_nbio(int fd, int mode); int BIO_sock_init(void); # if OPENSSL_API_COMPAT < 0x10100000L # define BIO_sock_cleanup() while(0) continue # endif int BIO_set_tcp_ndelay(int sock, int turn_on); DEPRECATEDIN_1_1_0(struct hostent *BIO_gethostbyname(const char *name)) DEPRECATEDIN_1_1_0(int BIO_get_port(const char *str, unsigned short *port_ptr)) DEPRECATEDIN_1_1_0(int BIO_get_host_ip(const char *str, unsigned char *ip)) DEPRECATEDIN_1_1_0(int BIO_get_accept_socket(char *host_port, int mode)) DEPRECATEDIN_1_1_0(int BIO_accept(int sock, char **ip_port)) union BIO_sock_info_u { BIO_ADDR *addr; }; enum BIO_sock_info_type { BIO_SOCK_INFO_ADDRESS }; int BIO_sock_info(int sock, enum BIO_sock_info_type type, union BIO_sock_info_u *info); # define BIO_SOCK_REUSEADDR 0x01 # define BIO_SOCK_V6_ONLY 0x02 # define BIO_SOCK_KEEPALIVE 0x04 # define BIO_SOCK_NONBLOCK 0x08 # define BIO_SOCK_NODELAY 0x10 int BIO_socket(int domain, int socktype, int protocol, int options); int BIO_connect(int sock, const BIO_ADDR *addr, int options); int BIO_bind(int sock, const BIO_ADDR *addr, int options); int BIO_listen(int sock, const BIO_ADDR *addr, int options); int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options); int BIO_closesocket(int sock); BIO *BIO_new_socket(int sock, int close_flag); BIO *BIO_new_connect(const char *host_port); BIO *BIO_new_accept(const char *host_port); # endif /* OPENSSL_NO_SOCK*/ BIO *BIO_new_fd(int fd, int close_flag); int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, BIO **bio2, size_t writebuf2); /* * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default * value. */ void BIO_copy_next_retry(BIO *b); /* * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg); */ # define ossl_bio__attr__(x) # if defined(__GNUC__) && defined(__STDC_VERSION__) \ && !defined(__APPLE__) /* * Because we support the 'z' modifier, which made its appearance in C99, * we can't use __attribute__ with pre C99 dialects. */ # if __STDC_VERSION__ >= 199901L # undef ossl_bio__attr__ # define ossl_bio__attr__ __attribute__ # if __GNUC__*10 + __GNUC_MINOR__ >= 44 # define ossl_bio__printf__ __gnu_printf__ # else # define ossl_bio__printf__ __printf__ # endif # endif # endif int BIO_printf(BIO *bio, const char *format, ...) ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3))); int BIO_vprintf(BIO *bio, const char *format, va_list args) ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0))); int BIO_snprintf(char *buf, size_t n, const char *format, ...) ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4))); int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0))); # undef ossl_bio__attr__ # undef ossl_bio__printf__ BIO_METHOD *BIO_meth_new(int type, const char *name); void BIO_meth_free(BIO_METHOD *biom); int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int); int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t, size_t *); int BIO_meth_set_write(BIO_METHOD *biom, int (*write) (BIO *, const char *, int)); int BIO_meth_set_write_ex(BIO_METHOD *biom, int (*bwrite) (BIO *, const char *, size_t, size_t *)); int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int); int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *); int BIO_meth_set_read(BIO_METHOD *biom, int (*read) (BIO *, char *, int)); int BIO_meth_set_read_ex(BIO_METHOD *biom, int (*bread) (BIO *, char *, size_t, size_t *)); int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *); int BIO_meth_set_puts(BIO_METHOD *biom, int (*puts) (BIO *, const char *)); int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int); int BIO_meth_set_gets(BIO_METHOD *biom, int (*gets) (BIO *, char *, int)); long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *); int BIO_meth_set_ctrl(BIO_METHOD *biom, long (*ctrl) (BIO *, int, long, void *)); int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *); int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *)); int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *); int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *)); long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, BIO_info_cb *); int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, long (*callback_ctrl) (BIO *, int, BIO_info_cb *)); # ifdef __cplusplus } # endif #endif