/src/openssl/crypto/bio/bss_null.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright 1995-2018 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 | | static int null_write(BIO *h, const char *buf, int num); |
16 | | static int null_read(BIO *h, char *buf, int size); |
17 | | static int null_puts(BIO *h, const char *str); |
18 | | static int null_gets(BIO *h, char *str, int size); |
19 | | static long null_ctrl(BIO *h, int cmd, long arg1, void *arg2); |
20 | | static const BIO_METHOD null_method = { |
21 | | BIO_TYPE_NULL, |
22 | | "NULL", |
23 | | /* TODO: Convert to new style write function */ |
24 | | bwrite_conv, |
25 | | null_write, |
26 | | /* TODO: Convert to new style read function */ |
27 | | bread_conv, |
28 | | null_read, |
29 | | null_puts, |
30 | | null_gets, |
31 | | null_ctrl, |
32 | | NULL, |
33 | | NULL, |
34 | | NULL, /* null_callback_ctrl */ |
35 | | }; |
36 | | |
37 | | const BIO_METHOD *BIO_s_null(void) |
38 | 0 | { |
39 | 0 | return &null_method; |
40 | 0 | } |
41 | | |
42 | | static int null_read(BIO *b, char *out, int outl) |
43 | 0 | { |
44 | 0 | return 0; |
45 | 0 | } |
46 | | |
47 | | static int null_write(BIO *b, const char *in, int inl) |
48 | 0 | { |
49 | 0 | return inl; |
50 | 0 | } |
51 | | |
52 | | static long null_ctrl(BIO *b, int cmd, long num, void *ptr) |
53 | 0 | { |
54 | 0 | long ret = 1; |
55 | 0 |
|
56 | 0 | switch (cmd) { |
57 | 0 | case BIO_CTRL_RESET: |
58 | 0 | case BIO_CTRL_EOF: |
59 | 0 | case BIO_CTRL_SET: |
60 | 0 | case BIO_CTRL_SET_CLOSE: |
61 | 0 | case BIO_CTRL_FLUSH: |
62 | 0 | case BIO_CTRL_DUP: |
63 | 0 | ret = 1; |
64 | 0 | break; |
65 | 0 | case BIO_CTRL_GET_CLOSE: |
66 | 0 | case BIO_CTRL_INFO: |
67 | 0 | case BIO_CTRL_GET: |
68 | 0 | case BIO_CTRL_PENDING: |
69 | 0 | case BIO_CTRL_WPENDING: |
70 | 0 | default: |
71 | 0 | ret = 0; |
72 | 0 | break; |
73 | 0 | } |
74 | 0 | return ret; |
75 | 0 | } |
76 | | |
77 | | static int null_gets(BIO *bp, char *buf, int size) |
78 | 0 | { |
79 | 0 | return 0; |
80 | 0 | } |
81 | | |
82 | | static int null_puts(BIO *bp, const char *str) |
83 | 0 | { |
84 | 0 | if (str == NULL) |
85 | 0 | return 0; |
86 | 0 | return strlen(str); |
87 | 0 | } |