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Diffstat (limited to 'openssl/crypto/bio/bio.h')
| -rw-r--r-- | openssl/crypto/bio/bio.h | 776 |
1 files changed, 776 insertions, 0 deletions
diff --git a/openssl/crypto/bio/bio.h b/openssl/crypto/bio/bio.h new file mode 100644 index 000000000..cecb6a720 --- /dev/null +++ b/openssl/crypto/bio/bio.h @@ -0,0 +1,776 @@ +/* crypto/bio/bio.h */ +/* 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 + +#include <openssl/e_os2.h> + +#ifndef OPENSSL_NO_FP_API +# include <stdio.h> +#endif +#include <stdarg.h> + +#include <openssl/crypto.h> + +#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_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_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_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_SET_PEER 44 /* Destination for the data */ + + +/* 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 + +/* 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 + +typedef struct bio_st BIO; + +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) + +long (*BIO_get_callback(const BIO *b)) (struct bio_st *,int,const char *,int, long,long); +void BIO_set_callback(BIO *b, + long (*callback)(struct bio_st *,int,const char *,int, long,long)); +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 void bio_info_cb(struct bio_st *, int, const char *, int, long, long); + +#ifndef OPENSSL_SYS_WIN16 +typedef struct bio_method_st + { + int type; + const char *name; + int (*bwrite)(BIO *, const char *, int); + int (*bread)(BIO *, char *, int); + int (*bputs)(BIO *, const char *); + int (*bgets)(BIO *, char *, int); + long (*ctrl)(BIO *, int, long, void *); + int (*create)(BIO *); + int (*destroy)(BIO *); + long (*callback_ctrl)(BIO *, int, bio_info_cb *); + } BIO_METHOD; +#else +typedef struct bio_method_st + { + int type; + const char *name; + int (_far *bwrite)(); + int (_far *bread)(); + int (_far *bputs)(); + int (_far *bgets)(); + long (_far *ctrl)(); + int (_far *create)(); + int (_far *destroy)(); + long (_far *callback_ctrl)(); + } BIO_METHOD; +#endif + +struct bio_st + { + BIO_METHOD *method; + /* bio, mode, argp, argi, argl, ret */ + long (*callback)(struct bio_st *,int,const char *,int, long,long); + char *cb_arg; /* first argument for the callback */ + + int init; + int shutdown; + int flags; /* extra storage */ + int retry_reason; + int num; + void *ptr; + struct bio_st *next_bio; /* used by filter BIOs */ + struct bio_st *prev_bio; /* used by filter BIOs */ + int references; + unsigned long num_read; + unsigned long num_write; + + CRYPTO_EX_DATA ex_data; + }; + +DECLARE_STACK_OF(BIO) + +typedef struct bio_f_buffer_ctx_struct + { + /* BIO *bio; */ /* this is now in the BIO struct */ + int ibuf_size; /* how big is the input buffer */ + int obuf_size; /* how big is the output buffer */ + + char *ibuf; /* the char array */ + int ibuf_len; /* how many bytes are in it */ + int ibuf_off; /* write/read offset */ + + char *obuf; /* the char array */ + int obuf_len; /* how many bytes are in it */ + int obuf_off; /* write/read offset */ + } BIO_F_BUFFER_CTX; + +/* 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_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) + + +#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)?"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 */ +#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) BIO_ctrl(b,BIO_C_SET_FILENAME, \ + BIO_CLOSE|BIO_FP_READ,(char *)name) +#endif +#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_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); + +# ifndef OPENSSL_NO_FP_API +# if defined(OPENSSL_SYS_WIN16) && defined(_WINDLL) +BIO_METHOD *BIO_s_file_internal(void); +BIO *BIO_new_file_internal(char *filename, char *mode); +BIO *BIO_new_fp_internal(FILE *stream, int close_flag); +# define BIO_s_file BIO_s_file_internal +# define BIO_new_file BIO_new_file_internal +# define BIO_new_fp BIO_new_fp_internal +# else /* FP_API */ +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); +# define BIO_s_file_internal BIO_s_file +# define BIO_new_file_internal BIO_new_file +# define BIO_new_fp_internal BIO_s_file +# endif /* FP_API */ +# endif +BIO * BIO_new(BIO_METHOD *type); +int BIO_set(BIO *a,BIO_METHOD *type); +int BIO_free(BIO *a); +void BIO_vfree(BIO *a); +int BIO_read(BIO *b, void *data, int len); +int BIO_gets(BIO *bp,char *buf, int size); +int BIO_write(BIO *b, const void *data, int len); +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, void (*fp)(struct bio_st *, int, const char *, int, long, long)); +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); +BIO * BIO_get_retry_BIO(BIO *bio, int *reason); +int BIO_get_retry_reason(BIO *bio); +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); + +#ifndef OPENSSL_SYS_WIN16 +long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, + long argl,long ret); +#else +long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, + long argl,long ret); +#endif + +BIO_METHOD *BIO_s_mem(void); +BIO *BIO_new_mem_buf(void *buf, int len); +BIO_METHOD *BIO_s_socket(void); +BIO_METHOD *BIO_s_connect(void); +BIO_METHOD *BIO_s_accept(void); +BIO_METHOD *BIO_s_fd(void); +#ifndef OPENSSL_SYS_OS2 +BIO_METHOD *BIO_s_log(void); +#endif +BIO_METHOD *BIO_s_bio(void); +BIO_METHOD *BIO_s_null(void); +BIO_METHOD *BIO_f_null(void); +BIO_METHOD *BIO_f_buffer(void); +#ifdef OPENSSL_SYS_VMS +BIO_METHOD *BIO_f_linebuffer(void); +#endif +BIO_METHOD *BIO_f_nbio_test(void); +#ifndef OPENSSL_NO_DGRAM +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); +#ifndef OPENSSL_NO_FP_API +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 +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(char *host_port); +BIO *BIO_new_accept(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);*/ + +#ifdef __GNUC__ +# define __bio_h__attr__ __attribute__ +#else +# define __bio_h__attr__(x) +#endif +int BIO_printf(BIO *bio, const char *format, ...) + __bio_h__attr__((__format__(__printf__,2,3))); +int BIO_vprintf(BIO *bio, const char *format, va_list args) + __bio_h__attr__((__format__(__printf__,2,0))); +int BIO_snprintf(char *buf, size_t n, const char *format, ...) + __bio_h__attr__((__format__(__printf__,3,4))); +int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) + __bio_h__attr__((__format__(__printf__,3,0))); +#undef __bio_h__attr__ + +/* BEGIN ERROR CODES */ +/* The following lines are auto generated by the script mkerr.pl. Any changes + * made after this point may be overwritten when the script is next run. + */ +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_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_IN_USE 123 +#define BIO_R_KEEPALIVE 109 +#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 |