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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/bio/bss_sock.c
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2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
13 #include "internal/cryptlib.h"
15 #ifndef OPENSSL_NO_SOCK
17 # include <openssl/bio.h>
20 /* Watt-32 uses same names */
24 # define sock_write SockWrite
25 # define sock_read SockRead
26 # define sock_puts SockPuts
29 static int sock_write(BIO
*h
, const char *buf
, int num
);
30 static int sock_read(BIO
*h
, char *buf
, int size
);
31 static int sock_puts(BIO
*h
, const char *str
);
32 static long sock_ctrl(BIO
*h
, int cmd
, long arg1
, void *arg2
);
33 static int sock_new(BIO
*h
);
34 static int sock_free(BIO
*data
);
35 int BIO_sock_should_retry(int s
);
37 static const BIO_METHOD methods_sockp
= {
40 /* TODO: Convert to new style write function */
43 /* TODO: Convert to new style read function */
47 NULL
, /* sock_gets, */
54 const BIO_METHOD
*BIO_s_socket(void)
56 return (&methods_sockp
);
59 BIO
*BIO_new_socket(int fd
, int close_flag
)
63 ret
= BIO_new(BIO_s_socket());
66 BIO_set_fd(ret
, fd
, close_flag
);
70 static int sock_new(BIO
*bi
)
79 static int sock_free(BIO
*a
)
85 BIO_closesocket(a
->num
);
93 static int sock_read(BIO
*b
, char *out
, int outl
)
99 ret
= readsocket(b
->num
, out
, outl
);
100 BIO_clear_retry_flags(b
);
102 if (BIO_sock_should_retry(ret
))
103 BIO_set_retry_read(b
);
109 static int sock_write(BIO
*b
, const char *in
, int inl
)
113 clear_socket_error();
114 ret
= writesocket(b
->num
, in
, inl
);
115 BIO_clear_retry_flags(b
);
117 if (BIO_sock_should_retry(ret
))
118 BIO_set_retry_write(b
);
123 static long sock_ctrl(BIO
*b
, int cmd
, long num
, void *ptr
)
131 b
->num
= *((int *)ptr
);
132 b
->shutdown
= (int)num
;
144 case BIO_CTRL_GET_CLOSE
:
147 case BIO_CTRL_SET_CLOSE
:
148 b
->shutdown
= (int)num
;
161 static int sock_puts(BIO
*bp
, const char *str
)
166 ret
= sock_write(bp
, str
, n
);
170 int BIO_sock_should_retry(int i
)
174 if ((i
== 0) || (i
== -1)) {
175 err
= get_last_socket_error();
177 return (BIO_sock_non_fatal_error(err
));
182 int BIO_sock_non_fatal_error(int err
)
185 # if defined(OPENSSL_SYS_WINDOWS)
186 # if defined(WSAEWOULDBLOCK)
192 # ifdef WSAEWOULDBLOCK
193 # if WSAEWOULDBLOCK != EWOULDBLOCK
201 # if defined(ENOTCONN)
210 # if EWOULDBLOCK != EAGAIN
233 #endif /* #ifndef OPENSSL_NO_SOCK */