OpenCoverage

bss_sock.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/bio/bss_sock.c
Source codeSwitch to Preprocessed file
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1/*-
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
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-
8 */-
9-
10#include <stdio.h>-
11#include <errno.h>-
12#include "bio_lcl.h"-
13#include "internal/cryptlib.h"-
14-
15#ifndef OPENSSL_NO_SOCK-
16-
17# include <openssl/bio.h>-
18-
19# ifdef WATT32-
20/* Watt-32 uses same names */-
21# undef sock_write-
22# undef sock_read-
23# undef sock_puts-
24# define sock_write SockWrite-
25# define sock_read SockRead-
26# define sock_puts SockPuts-
27# endif-
28-
29static int sock_write(BIO *h, const char *buf, int num);-
30static int sock_read(BIO *h, char *buf, int size);-
31static int sock_puts(BIO *h, const char *str);-
32static long sock_ctrl(BIO *h, int cmd, long arg1, void *arg2);-
33static int sock_new(BIO *h);-
34static int sock_free(BIO *data);-
35int BIO_sock_should_retry(int s);-
36-
37static const BIO_METHOD methods_sockp = {-
38 BIO_TYPE_SOCKET,-
39 "socket",-
40 /* TODO: Convert to new style write function */-
41 bwrite_conv,-
42 sock_write,-
43 /* TODO: Convert to new style read function */-
44 bread_conv,-
45 sock_read,-
46 sock_puts,-
47 NULL, /* sock_gets, */-
48 sock_ctrl,-
49 sock_new,-
50 sock_free,-
51 NULL, /* sock_callback_ctrl */-
52};-
53-
54const BIO_METHOD *BIO_s_socket(void)-
55{-
56 return &methods_sockp;
executed 384 times by 1 test: return &methods_sockp;
Executed by:
  • libcrypto.so.1.1
384
57}-
58-
59BIO *BIO_new_socket(int fd, int close_flag)-
60{-
61 BIO *ret;-
62-
63 ret = BIO_new(BIO_s_socket());-
64 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 384 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-384
65 return NULL;
never executed: return ((void *)0) ;
0
66 BIO_set_fd(ret, fd, close_flag);-
67 return ret;
executed 384 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
384
68}-
69-
70static int sock_new(BIO *bi)-
71{-
72 bi->init = 0;-
73 bi->num = 0;-
74 bi->ptr = NULL;-
75 bi->flags = 0;-
76 return 1;
executed 384 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
384
77}-
78-
79static int sock_free(BIO *a)-
80{-
81 if (a == NULL)
a == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 768 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-768
82 return 0;
never executed: return 0;
0
83 if (a->shutdown) {
a->shutdownDescription
TRUEevaluated 386 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 382 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
382-386
84 if (a->init) {
a->initDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 384 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-384
85 BIO_closesocket(a->num);-
86 }
executed 2 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2
87 a->init = 0;-
88 a->flags = 0;-
89 }
executed 386 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
386
90 return 1;
executed 768 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
768
91}-
92-
93static int sock_read(BIO *b, char *out, int outl)-
94{-
95 int ret = 0;-
96-
97 if (out != NULL) {
out != ((void *)0)Description
TRUEevaluated 3734 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-3734
98 clear_socket_error();-
99 ret = readsocket(b->num, out, outl);-
100 BIO_clear_retry_flags(b);-
101 if (ret <= 0) {
ret <= 0Description
TRUEevaluated 200 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 3534 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
200-3534
102 if (BIO_sock_should_retry(ret))
BIO_sock_should_retry(ret)Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 196 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
4-196
103 BIO_set_retry_read(b);
executed 4 times by 1 test: BIO_set_flags(b, (0x01|0x08));
Executed by:
  • libcrypto.so.1.1
4
104 }
executed 200 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
200
105 }
executed 3734 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
3734
106 return ret;
executed 3734 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
3734
107}-
108-
109static int sock_write(BIO *b, const char *in, int inl)-
110{-
111 int ret;-
112-
113 clear_socket_error();-
114 ret = writesocket(b->num, in, inl);-
115 BIO_clear_retry_flags(b);-
116 if (ret <= 0) {
ret <= 0Description
TRUEnever evaluated
FALSEevaluated 1091 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1091
117 if (BIO_sock_should_retry(ret))
BIO_sock_should_retry(ret)Description
TRUEnever evaluated
FALSEnever evaluated
0
118 BIO_set_retry_write(b);
never executed: BIO_set_flags(b, (0x02|0x08));
0
119 }
never executed: end of block
0
120 return ret;
executed 1091 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
1091
121}-
122-
123static long sock_ctrl(BIO *b, int cmd, long num, void *ptr)-
124{-
125 long ret = 1;-
126 int *ip;-
127-
128 switch (cmd) {-
129 case BIO_C_SET_FD:
executed 384 times by 1 test: case 104:
Executed by:
  • libcrypto.so.1.1
384
130 sock_free(b);-
131 b->num = *((int *)ptr);-
132 b->shutdown = (int)num;-
133 b->init = 1;-
134 break;
executed 384 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
384
135 case BIO_C_GET_FD:
executed 4156 times by 1 test: case 105:
Executed by:
  • libcrypto.so.1.1
4156
136 if (b->init) {
b->initDescription
TRUEevaluated 4156 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-4156
137 ip = (int *)ptr;-
138 if (ip != NULL)
ip != ((void *)0)Description
TRUEevaluated 4156 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-4156
139 *ip = b->num;
executed 4156 times by 1 test: *ip = b->num;
Executed by:
  • libcrypto.so.1.1
4156
140 ret = b->num;-
141 } else
executed 4156 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
4156
142 ret = -1;
never executed: ret = -1;
0
143 break;
executed 4156 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
4156
144 case BIO_CTRL_GET_CLOSE:
never executed: case 8:
0
145 ret = b->shutdown;-
146 break;
never executed: break;
0
147 case BIO_CTRL_SET_CLOSE:
never executed: case 9:
0
148 b->shutdown = (int)num;-
149 break;
never executed: break;
0
150 case BIO_CTRL_DUP:
never executed: case 12:
0
151 case BIO_CTRL_FLUSH:
executed 976 times by 1 test: case 11:
Executed by:
  • libcrypto.so.1.1
976
152 ret = 1;-
153 break;
executed 976 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
976
154 default:
executed 828 times by 1 test: default:
Executed by:
  • libcrypto.so.1.1
828
155 ret = 0;-
156 break;
executed 828 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
828
157 }-
158 return ret;
executed 6344 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
6344
159}-
160-
161static int sock_puts(BIO *bp, const char *str)-
162{-
163 int n, ret;-
164-
165 n = strlen(str);-
166 ret = sock_write(bp, str, n);-
167 return ret;
never executed: return ret;
0
168}-
169-
170int BIO_sock_should_retry(int i)-
171{-
172 int err;-
173-
174 if ((i == 0) || (i == -1)) {
(i == 0)Description
TRUEevaluated 198 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 6904 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(i == -1)Description
TRUEevaluated 6904 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-6904
175 err = get_last_socket_error();-
176-
177 return BIO_sock_non_fatal_error(err);
executed 7102 times by 1 test: return BIO_sock_non_fatal_error(err);
Executed by:
  • libcrypto.so.1.1
7102
178 }-
179 return 0;
never executed: return 0;
0
180}-
181-
182int BIO_sock_non_fatal_error(int err)-
183{-
184 switch (err) {-
185# if defined(OPENSSL_SYS_WINDOWS)-
186# if defined(WSAEWOULDBLOCK)-
187 case WSAEWOULDBLOCK:-
188# endif-
189# endif-
190-
191# ifdef EWOULDBLOCK-
192# ifdef WSAEWOULDBLOCK-
193# if WSAEWOULDBLOCK != EWOULDBLOCK-
194 case EWOULDBLOCK:-
195# endif-
196# else-
197 case EWOULDBLOCK:
executed 6902 times by 1 test: case 11 :
Executed by:
  • libcrypto.so.1.1
6902
198# endif-
199# endif-
200-
201# if defined(ENOTCONN)-
202 case ENOTCONN:
never executed: case 107 :
0
203# endif-
204-
205# ifdef EINTR-
206 case EINTR:
never executed: case 4 :
0
207# endif-
208-
209# ifdef EAGAIN-
210# if EWOULDBLOCK != EAGAIN-
211 case EAGAIN:-
212# endif-
213# endif-
214-
215# ifdef EPROTO-
216 case EPROTO:
never executed: case 71 :
0
217# endif-
218-
219# ifdef EINPROGRESS-
220 case EINPROGRESS:
executed 4 times by 1 test: case 115 :
Executed by:
  • libcrypto.so.1.1
4
221# endif-
222-
223# ifdef EALREADY-
224 case EALREADY:
never executed: case 114 :
0
225# endif-
226 return 1;
executed 6906 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
6906
227 default:
executed 196 times by 1 test: default:
Executed by:
  • libcrypto.so.1.1
196
228 break;
executed 196 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
196
229 }-
230 return 0;
executed 196 times by 1 test: return 0;
Executed by:
  • libcrypto.so.1.1
196
231}-
232-
233#endif /* #ifndef OPENSSL_NO_SOCK */-
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