/* $OpenBSD: bio.h,v 1.61 2024/03/02 09:18:28 tb Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #ifndef HEADER_BIO_H #define HEADER_BIO_H #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__) #define __bounded__(x, y, z) #endif #include # include #include #include #ifdef __cplusplus extern "C" { #endif /* These are the 'types' of BIOs */ #define BIO_TYPE_NONE 0 #define BIO_TYPE_MEM (1|0x0400) #define BIO_TYPE_FILE (2|0x0400) #define BIO_TYPE_FD (4|0x0400|0x0100) #define BIO_TYPE_SOCKET (5|0x0400|0x0100) #define BIO_TYPE_NULL (6|0x0400) #define BIO_TYPE_SSL (7|0x0200) #define BIO_TYPE_MD (8|0x0200) /* passive filter */ #define BIO_TYPE_BUFFER (9|0x0200) /* filter */ #define BIO_TYPE_CIPHER (10|0x0200) /* filter */ #define BIO_TYPE_BASE64 (11|0x0200) /* filter */ #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */ #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */ #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */ #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */ #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */ #define BIO_TYPE_NULL_FILTER (17|0x0200) #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */ #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */ #define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */ #define BIO_TYPE_DGRAM (21|0x0400|0x0100) #define BIO_TYPE_ASN1 (22|0x0200) /* filter */ #define BIO_TYPE_COMP (23|0x0200) /* filter */ #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */ #define BIO_TYPE_FILTER 0x0200 #define BIO_TYPE_SOURCE_SINK 0x0400 /* * BIO_TYPE_START is the first user-allocated BIO type. No pre-defined type, * flag bits aside, may exceed this value. */ #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 */ /* callback is int cb(BIO *bio,state,ret); */ #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */ #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */ #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 */ /* 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 /* Used in BIO_gethostbyname() */ #define BIO_GHBN_CTRL_HITS 1 #define BIO_GHBN_CTRL_MISSES 2 #define BIO_GHBN_CTRL_CACHE_SIZE 3 #define BIO_GHBN_CTRL_GET_ENTRY 4 #define BIO_GHBN_CTRL_FLUSH 5 /* Mostly used in the SSL BIO */ /* Not used anymore * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40 */ #define BIO_FLAGS_BASE64_NO_NL 0x100 /* This is used with memory BIOs: it means we shouldn't free up or change the * data in any way. */ #define BIO_FLAGS_MEM_RDONLY 0x200 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); const char *BIO_method_name(const BIO *b); int BIO_method_type(const BIO *b); typedef int BIO_info_cb(BIO *, int, int); /* Compatibility with OpenSSL's backward compatibility. */ typedef BIO_info_cb bio_info_cb; typedef struct bio_method_st BIO_METHOD; DECLARE_STACK_OF(BIO) /* Prefix and suffix callback in ASN1 BIO */ typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg); /* BIO_METHOD accessors */ 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_set_write(BIO_METHOD *biom, int (*write)(BIO *, const char *, int)); int (*BIO_meth_get_read(const BIO_METHOD *biom))(BIO *, char *, int); int BIO_meth_set_read(BIO_METHOD *biom, int (*read)(BIO *, char *, int)); 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 *biom))(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 *)); /* connect BIO stuff */ #define BIO_CONN_S_BEFORE 1 #define BIO_CONN_S_GET_IP 2 #define BIO_CONN_S_GET_PORT 3 #define BIO_CONN_S_CREATE_SOCKET 4 #define BIO_CONN_S_CONNECT 5 #define BIO_CONN_S_OK 6 #define BIO_CONN_S_BLOCKED_CONNECT 7 #define BIO_CONN_S_NBIO 8 /*#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_EX_ARG 153 #define BIO_C_GET_EX_ARG 154 #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) /* BIO_s_connect() and BIO_s_socks4a_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_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) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2) #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0) #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) /* BIO_s_accept_socket() */ #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name) #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0) /* #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,1,(n)?(void *)"a":NULL) #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio) #define BIO_BIND_NORMAL 0 #define BIO_BIND_REUSEADDR_IF_UNUSED 1 #define BIO_BIND_REUSEADDR 2 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) #define BIO_do_connect(b) BIO_do_handshake(b) #define BIO_do_accept(b) BIO_do_handshake(b) #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) /* BIO_s_proxy_client() */ #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url)) #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p)) /* BIO_set_nbio(b,n) */ #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s)) /* BIO *BIO_get_filter_bio(BIO *bio); */ #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)())) #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk) #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool) #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp) #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p)) #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url)) #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL) #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) #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) #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 */ #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_READ,(char *)name) #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_WRITE,name) #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ BIO_CLOSE|BIO_FP_APPEND,name) #define BIO_rw_filename(b,name) 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) /* 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, state, peer) \ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (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) /* These two aren't currently implemented */ /* int BIO_get_ex_num(BIO *bio); */ /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */ int BIO_set_ex_data(BIO *bio, int idx, void *data); void *BIO_get_ex_data(BIO *bio, int idx); int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); unsigned long BIO_number_read(BIO *bio); unsigned long BIO_number_written(BIO *bio); int BIO_get_new_index(void); const BIO_METHOD *BIO_s_file(void); BIO *BIO_new_file(const char *filename, const char *mode); BIO *BIO_new_fp(FILE *stream, int close_flag); BIO *BIO_new(const BIO_METHOD *type); int BIO_set(BIO *a, const BIO_METHOD *type); int BIO_free(BIO *a); int BIO_up_ref(BIO *bio); void *BIO_get_data(BIO *a); void BIO_set_data(BIO *a, void *ptr); int BIO_get_init(BIO *a); void BIO_set_init(BIO *a, int init); int BIO_get_shutdown(BIO *a); void BIO_set_shutdown(BIO *a, int shut); void BIO_vfree(BIO *a); int BIO_read(BIO *b, void *data, int len) __attribute__((__bounded__(__buffer__,2,3))); int BIO_gets(BIO *bp, char *buf, int size) __attribute__((__bounded__ (__string__,2,3))); int BIO_write(BIO *b, const void *data, int len) __attribute__((__bounded__(__buffer__,2,3))); 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); char * 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); BIO *BIO_new_mem_buf(const void *buf, int len); const BIO_METHOD *BIO_s_socket(void); const BIO_METHOD *BIO_s_connect(void); const BIO_METHOD *BIO_s_accept(void); 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_nbio_test(void); #ifndef OPENSSL_NO_DGRAM const BIO_METHOD *BIO_s_datagram(void); #endif /* BIO_METHOD *BIO_f_ber(void); */ int BIO_sock_should_retry(int i); int BIO_sock_non_fatal_error(int _error); int BIO_dgram_non_fatal_error(int _error); 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); 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); struct hostent *BIO_gethostbyname(const char *name); /* We might want a thread-safe interface too: * struct hostent *BIO_gethostbyname_r(const char *name, * struct hostent *result, void *buffer, size_t buflen); * or something similar (caller allocates a struct hostent, * pointed to by "result", and additional buffer space for the various * substructures; if the buffer does not suffice, NULL is returned * and an appropriate error code is set). */ 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_get_port(const char *str, unsigned short *port_ptr); int BIO_get_host_ip(const char *str, unsigned char *ip); int BIO_get_accept_socket(char *host_port, int mode); int BIO_accept(int sock, char **ip_port); int BIO_sock_init(void ); void BIO_sock_cleanup(void); int BIO_set_tcp_ndelay(int sock, int turn_on); BIO *BIO_new_socket(int sock, int close_flag); BIO *BIO_new_dgram(int fd, int close_flag); BIO *BIO_new_fd(int fd, int close_flag); BIO *BIO_new_connect(const char *host_port); BIO *BIO_new_accept(const char *host_port); 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);*/ /* Needed for libressl-portable. */ #ifndef __MINGW_PRINTF_FORMAT int BIO_printf(BIO *bio, const char *format, ...) __attribute__((__format__(__printf__, 2, 3), __nonnull__(2))); #else int BIO_printf(BIO *bio, const char *format, ...) __attribute__((__format__(__MINGW_PRINTF_FORMAT, 2, 3), __nonnull__(2))); #endif void ERR_load_BIO_strings(void); /* Error codes for the BIO functions. */ /* Function codes. */ #define BIO_F_ACPT_STATE 100 #define BIO_F_BIO_ACCEPT 101 #define BIO_F_BIO_BER_GET_HEADER 102 #define BIO_F_BIO_CALLBACK_CTRL 131 #define BIO_F_BIO_CTRL 103 #define BIO_F_BIO_GETHOSTBYNAME 120 #define BIO_F_BIO_GETS 104 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105 #define BIO_F_BIO_GET_HOST_IP 106 #define BIO_F_BIO_GET_PORT 107 #define BIO_F_BIO_MAKE_PAIR 121 #define BIO_F_BIO_NEW 108 #define BIO_F_BIO_NEW_FILE 109 #define BIO_F_BIO_NEW_MEM_BUF 126 #define BIO_F_BIO_NREAD 123 #define BIO_F_BIO_NREAD0 124 #define BIO_F_BIO_NWRITE 125 #define BIO_F_BIO_NWRITE0 122 #define BIO_F_BIO_PUTS 110 #define BIO_F_BIO_READ 111 #define BIO_F_BIO_SOCK_INIT 112 #define BIO_F_BIO_WRITE 113 #define BIO_F_BUFFER_CTRL 114 #define BIO_F_CONN_CTRL 127 #define BIO_F_CONN_STATE 115 #define BIO_F_DGRAM_SCTP_READ 132 #define BIO_F_FILE_CTRL 116 #define BIO_F_FILE_READ 130 #define BIO_F_LINEBUFFER_CTRL 129 #define BIO_F_MEM_READ 128 #define BIO_F_MEM_WRITE 117 #define BIO_F_SSL_NEW 118 #define BIO_F_WSASTARTUP 119 /* Reason codes. */ #define BIO_R_ACCEPT_ERROR 100 #define BIO_R_BAD_FOPEN_MODE 101 #define BIO_R_BAD_HOSTNAME_LOOKUP 102 #define BIO_R_BROKEN_PIPE 124 #define BIO_R_CONNECT_ERROR 103 #define BIO_R_EOF_ON_MEMORY_BIO 127 #define BIO_R_ERROR_SETTING_NBIO 104 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107 #define BIO_R_INVALID_ARGUMENT 125 #define BIO_R_INVALID_IP_ADDRESS 108 #define BIO_R_INVALID_PORT_NUMBER 129 #define BIO_R_IN_USE 123 #define BIO_R_KEEPALIVE 109 #define BIO_R_LENGTH_TOO_LONG 130 #define BIO_R_NBIO_CONNECT_ERROR 110 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111 #define BIO_R_NO_HOSTNAME_SPECIFIED 112 #define BIO_R_NO_PORT_DEFINED 113 #define BIO_R_NO_PORT_SPECIFIED 114 #define BIO_R_NO_SUCH_FILE 128 #define BIO_R_NULL_PARAMETER 115 #define BIO_R_TAG_MISMATCH 116 #define BIO_R_UNABLE_TO_BIND_SOCKET 117 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119 #define BIO_R_UNINITIALIZED 120 #define BIO_R_UNSUPPORTED_METHOD 121 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126 #define BIO_R_WSASTARTUP 122 #ifdef __cplusplus } #endif #endif