1 /*
2 * Copyright 2021-2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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 <string.h>
11 #include <openssl/bio.h>
12 #include "testutil.h"
13
14 struct ossl_core_bio_st {
15 int dummy;
16 BIO *bio;
17 };
18
tst_bio_core_read_ex(OSSL_CORE_BIO * bio,char * data,size_t data_len,size_t * bytes_read)19 static int tst_bio_core_read_ex(OSSL_CORE_BIO *bio, char *data, size_t data_len,
20 size_t *bytes_read)
21 {
22 return BIO_read_ex(bio->bio, data, data_len, bytes_read);
23 }
24
tst_bio_core_write_ex(OSSL_CORE_BIO * bio,const char * data,size_t data_len,size_t * written)25 static int tst_bio_core_write_ex(OSSL_CORE_BIO *bio, const char *data,
26 size_t data_len, size_t *written)
27 {
28 return BIO_write_ex(bio->bio, data, data_len, written);
29 }
30
tst_bio_core_gets(OSSL_CORE_BIO * bio,char * buf,int size)31 static int tst_bio_core_gets(OSSL_CORE_BIO *bio, char *buf, int size)
32 {
33 return BIO_gets(bio->bio, buf, size);
34 }
35
tst_bio_core_puts(OSSL_CORE_BIO * bio,const char * str)36 static int tst_bio_core_puts(OSSL_CORE_BIO *bio, const char *str)
37 {
38 return BIO_puts(bio->bio, str);
39 }
40
tst_bio_core_ctrl(OSSL_CORE_BIO * bio,int cmd,long num,void * ptr)41 static long tst_bio_core_ctrl(OSSL_CORE_BIO *bio, int cmd, long num, void *ptr)
42 {
43 return BIO_ctrl(bio->bio, cmd, num, ptr);
44 }
45
tst_bio_core_up_ref(OSSL_CORE_BIO * bio)46 static int tst_bio_core_up_ref(OSSL_CORE_BIO *bio)
47 {
48 return BIO_up_ref(bio->bio);
49 }
50
tst_bio_core_free(OSSL_CORE_BIO * bio)51 static int tst_bio_core_free(OSSL_CORE_BIO *bio)
52 {
53 return BIO_free(bio->bio);
54 }
55
56 static const OSSL_DISPATCH biocbs[] = {
57 { OSSL_FUNC_BIO_READ_EX, (void (*)(void))tst_bio_core_read_ex },
58 { OSSL_FUNC_BIO_WRITE_EX, (void (*)(void))tst_bio_core_write_ex },
59 { OSSL_FUNC_BIO_GETS, (void (*)(void))tst_bio_core_gets },
60 { OSSL_FUNC_BIO_PUTS, (void (*)(void))tst_bio_core_puts },
61 { OSSL_FUNC_BIO_CTRL, (void (*)(void))tst_bio_core_ctrl },
62 { OSSL_FUNC_BIO_UP_REF, (void (*)(void))tst_bio_core_up_ref },
63 { OSSL_FUNC_BIO_FREE, (void (*)(void))tst_bio_core_free },
64 OSSL_DISPATCH_END
65 };
66
test_bio_core(void)67 static int test_bio_core(void)
68 {
69 BIO *cbio = NULL, *cbiobad = NULL;
70 OSSL_LIB_CTX *libctx = OSSL_LIB_CTX_new_from_dispatch(NULL, biocbs);
71 int testresult = 0;
72 OSSL_CORE_BIO corebio;
73 const char *msg = "Hello world";
74 char buf[80];
75
76 corebio.bio = BIO_new(BIO_s_mem());
77 if (!TEST_ptr(corebio.bio)
78 || !TEST_ptr(libctx)
79 /*
80 * Attempting to create a corebio in a libctx that was not
81 * created via OSSL_LIB_CTX_new_from_dispatch() should fail.
82 */
83 || !TEST_ptr_null((cbiobad = BIO_new_from_core_bio(NULL, &corebio)))
84 || !TEST_ptr((cbio = BIO_new_from_core_bio(libctx, &corebio))))
85 goto err;
86
87 if (!TEST_int_gt(BIO_puts(corebio.bio, msg), 0)
88 /* Test a ctrl via BIO_eof */
89 || !TEST_false(BIO_eof(cbio))
90 || !TEST_int_gt(BIO_gets(cbio, buf, sizeof(buf)), 0)
91 || !TEST_true(BIO_eof(cbio))
92 || !TEST_str_eq(buf, msg))
93 goto err;
94
95 buf[0] = '\0';
96 if (!TEST_int_gt(BIO_write(cbio, msg, strlen(msg) + 1), 0)
97 || !TEST_int_gt(BIO_read(cbio, buf, sizeof(buf)), 0)
98 || !TEST_str_eq(buf, msg))
99 goto err;
100
101 testresult = 1;
102 err:
103 BIO_free(cbiobad);
104 BIO_free(cbio);
105 BIO_free(corebio.bio);
106 OSSL_LIB_CTX_free(libctx);
107 return testresult;
108 }
109
setup_tests(void)110 int setup_tests(void)
111 {
112 if (!test_skip_common_options()) {
113 TEST_error("Error parsing test options\n");
114 return 0;
115 }
116
117 ADD_TEST(test_bio_core);
118 return 1;
119 }
120
