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Diffstat (limited to 'src/lib/libcrypto/bio/bss_sock.c')
-rw-r--r--src/lib/libcrypto/bio/bss_sock.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/src/lib/libcrypto/bio/bss_sock.c b/src/lib/libcrypto/bio/bss_sock.c
deleted file mode 100644
index 79194a7e5e..0000000000
--- a/src/lib/libcrypto/bio/bss_sock.c
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@@ -1,244 +0,0 @@
1/* $OpenBSD: bss_sock.c,v 1.27 2023/08/07 10:54:14 tb 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
68#include "bio_local.h"
69
70static int sock_write(BIO *h, const char *buf, int num);
71static int sock_read(BIO *h, char *buf, int size);
72static int sock_puts(BIO *h, const char *str);
73static long sock_ctrl(BIO *h, int cmd, long arg1, void *arg2);
74static int sock_new(BIO *h);
75static int sock_free(BIO *data);
76int BIO_sock_should_retry(int s);
77
78static const BIO_METHOD methods_sockp = {
79 .type = BIO_TYPE_SOCKET,
80 .name = "socket",
81 .bwrite = sock_write,
82 .bread = sock_read,
83 .bputs = sock_puts,
84 .ctrl = sock_ctrl,
85 .create = sock_new,
86 .destroy = sock_free
87};
88
89const BIO_METHOD *
90BIO_s_socket(void)
91{
92 return (&methods_sockp);
93}
94LCRYPTO_ALIAS(BIO_s_socket);
95
96BIO *
97BIO_new_socket(int fd, int close_flag)
98{
99 BIO *ret;
100
101 ret = BIO_new(BIO_s_socket());
102 if (ret == NULL)
103 return (NULL);
104 BIO_set_fd(ret, fd, close_flag);
105 return (ret);
106}
107LCRYPTO_ALIAS(BIO_new_socket);
108
109static int
110sock_new(BIO *bi)
111{
112 bi->init = 0;
113 bi->num = 0;
114 bi->ptr = NULL;
115 bi->flags = 0;
116 return (1);
117}
118
119static int
120sock_free(BIO *a)
121{
122 if (a == NULL)
123 return (0);
124 if (a->shutdown) {
125 if (a->init) {
126 shutdown(a->num, SHUT_RDWR);
127 close(a->num);
128 }
129 a->init = 0;
130 a->flags = 0;
131 }
132 return (1);
133}
134
135static int
136sock_read(BIO *b, char *out, int outl)
137{
138 int ret = 0;
139
140 if (out != NULL) {
141 errno = 0;
142 ret = read(b->num, out, outl);
143 BIO_clear_retry_flags(b);
144 if (ret <= 0) {
145 if (BIO_sock_should_retry(ret))
146 BIO_set_retry_read(b);
147 }
148 }
149 return (ret);
150}
151
152static int
153sock_write(BIO *b, const char *in, int inl)
154{
155 int ret;
156
157 errno = 0;
158 ret = write(b->num, in, inl);
159 BIO_clear_retry_flags(b);
160 if (ret <= 0) {
161 if (BIO_sock_should_retry(ret))
162 BIO_set_retry_write(b);
163 }
164 return (ret);
165}
166
167static long
168sock_ctrl(BIO *b, int cmd, long num, void *ptr)
169{
170 long ret = 1;
171 int *ip;
172
173 switch (cmd) {
174 case BIO_C_SET_FD:
175 sock_free(b);
176 b->num = *((int *)ptr);
177 b->shutdown = (int)num;
178 b->init = 1;
179 break;
180 case BIO_C_GET_FD:
181 if (b->init) {
182 ip = (int *)ptr;
183 if (ip != NULL)
184 *ip = b->num;
185 ret = b->num;
186 } else
187 ret = -1;
188 break;
189 case BIO_CTRL_GET_CLOSE:
190 ret = b->shutdown;
191 break;
192 case BIO_CTRL_SET_CLOSE:
193 b->shutdown = (int)num;
194 break;
195 case BIO_CTRL_DUP:
196 case BIO_CTRL_FLUSH:
197 ret = 1;
198 break;
199 default:
200 ret = 0;
201 break;
202 }
203 return (ret);
204}
205
206static int
207sock_puts(BIO *bp, const char *str)
208{
209 int n, ret;
210
211 n = strlen(str);
212 ret = sock_write(bp, str, n);
213 return (ret);
214}
215
216int
217BIO_sock_should_retry(int i)
218{
219 int err;
220
221 if ((i == 0) || (i == -1)) {
222 err = errno;
223 return (BIO_sock_non_fatal_error(err));
224 }
225 return (0);
226}
227LCRYPTO_ALIAS(BIO_sock_should_retry);
228
229int
230BIO_sock_non_fatal_error(int err)
231{
232 switch (err) {
233 case ENOTCONN:
234 case EINTR:
235 case EAGAIN:
236 case EINPROGRESS:
237 case EALREADY:
238 return (1);
239 default:
240 break;
241 }
242 return (0);
243}
244LCRYPTO_ALIAS(BIO_sock_non_fatal_error);
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