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Diffstat (limited to 'src/lib/libcrypto/bio/bss_sock.c')
-rw-r--r--src/lib/libcrypto/bio/bss_sock.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/src/lib/libcrypto/bio/bss_sock.c b/src/lib/libcrypto/bio/bss_sock.c
deleted file mode 100644
index dd470eb65e..0000000000
--- a/src/lib/libcrypto/bio/bss_sock.c
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1/* $OpenBSD: bss_sock.c,v 1.23 2014/07/11 08:44:47 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <sys/socket.h>
60
61#include <errno.h>
62#include <stdio.h>
63#include <string.h>
64#include <unistd.h>
65
66#include <openssl/bio.h>
67
68static int sock_write(BIO *h, const char *buf, int num);
69static int sock_read(BIO *h, char *buf, int size);
70static int sock_puts(BIO *h, const char *str);
71static long sock_ctrl(BIO *h, int cmd, long arg1, void *arg2);
72static int sock_new(BIO *h);
73static int sock_free(BIO *data);
74int BIO_sock_should_retry(int s);
75
76static BIO_METHOD methods_sockp = {
77 .type = BIO_TYPE_SOCKET,
78 .name = "socket",
79 .bwrite = sock_write,
80 .bread = sock_read,
81 .bputs = sock_puts,
82 .ctrl = sock_ctrl,
83 .create = sock_new,
84 .destroy = sock_free
85};
86
87BIO_METHOD *
88BIO_s_socket(void)
89{
90 return (&methods_sockp);
91}
92
93BIO *
94BIO_new_socket(int fd, int close_flag)
95{
96 BIO *ret;
97
98 ret = BIO_new(BIO_s_socket());
99 if (ret == NULL)
100 return (NULL);
101 BIO_set_fd(ret, fd, close_flag);
102 return (ret);
103}
104
105static int
106sock_new(BIO *bi)
107{
108 bi->init = 0;
109 bi->num = 0;
110 bi->ptr = NULL;
111 bi->flags = 0;
112 return (1);
113}
114
115static int
116sock_free(BIO *a)
117{
118 if (a == NULL)
119 return (0);
120 if (a->shutdown) {
121 if (a->init) {
122 shutdown(a->num, SHUT_RDWR);
123 close(a->num);
124 }
125 a->init = 0;
126 a->flags = 0;
127 }
128 return (1);
129}
130
131static int
132sock_read(BIO *b, char *out, int outl)
133{
134 int ret = 0;
135
136 if (out != NULL) {
137 errno = 0;
138 ret = read(b->num, out, outl);
139 BIO_clear_retry_flags(b);
140 if (ret <= 0) {
141 if (BIO_sock_should_retry(ret))
142 BIO_set_retry_read(b);
143 }
144 }
145 return (ret);
146}
147
148static int
149sock_write(BIO *b, const char *in, int inl)
150{
151 int ret;
152
153 errno = 0;
154 ret = write(b->num, in, inl);
155 BIO_clear_retry_flags(b);
156 if (ret <= 0) {
157 if (BIO_sock_should_retry(ret))
158 BIO_set_retry_write(b);
159 }
160 return (ret);
161}
162
163static long
164sock_ctrl(BIO *b, int cmd, long num, void *ptr)
165{
166 long ret = 1;
167 int *ip;
168
169 switch (cmd) {
170 case BIO_C_SET_FD:
171 sock_free(b);
172 b->num= *((int *)ptr);
173 b->shutdown = (int)num;
174 b->init = 1;
175 break;
176 case BIO_C_GET_FD:
177 if (b->init) {
178 ip = (int *)ptr;
179 if (ip != NULL)
180 *ip = b->num;
181 ret = b->num;
182 } else
183 ret = -1;
184 break;
185 case BIO_CTRL_GET_CLOSE:
186 ret = b->shutdown;
187 break;
188 case BIO_CTRL_SET_CLOSE:
189 b->shutdown = (int)num;
190 break;
191 case BIO_CTRL_DUP:
192 case BIO_CTRL_FLUSH:
193 ret = 1;
194 break;
195 default:
196 ret = 0;
197 break;
198 }
199 return (ret);
200}
201
202static int
203sock_puts(BIO *bp, const char *str)
204{
205 int n, ret;
206
207 n = strlen(str);
208 ret = sock_write(bp, str, n);
209 return (ret);
210}
211
212int
213BIO_sock_should_retry(int i)
214{
215 int err;
216
217 if ((i == 0) || (i == -1)) {
218 err = errno;
219 return (BIO_sock_non_fatal_error(err));
220 }
221 return (0);
222}
223
224int
225BIO_sock_non_fatal_error(int err)
226{
227 switch (err) {
228 case ENOTCONN:
229 case EINTR:
230 case EAGAIN:
231 case EINPROGRESS:
232 case EALREADY:
233 return (1);
234 default:
235 break;
236 }
237 return (0);
238}
239
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