1 /* Copyright (c) 2014, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15 #include <stdio.h>
16 #include <string.h>
17
18 #include <openssl/crypto.h>
19 #include <openssl/err.h>
20 #include <openssl/mem.h>
21
22
TestOverflow()23 static bool TestOverflow() {
24 for (unsigned i = 0; i < ERR_NUM_ERRORS*2; i++) {
25 ERR_put_error(1, 0 /* unused */, i+1, "test", 1);
26 }
27
28 for (unsigned i = 0; i < ERR_NUM_ERRORS - 1; i++) {
29 uint32_t err = ERR_get_error();
30 /* Errors are returned in order they were pushed, with the least recent ones
31 * removed, up to |ERR_NUM_ERRORS - 1| errors. So the errors returned are
32 * |ERR_NUM_ERRORS + 2| through |ERR_NUM_ERRORS * 2|, inclusive. */
33 if (err == 0 || ((unsigned)ERR_GET_REASON(err)) != i + ERR_NUM_ERRORS + 2) {
34 fprintf(stderr, "ERR_get_error failed at %u\n", i);
35 return false;
36 }
37 }
38
39 if (ERR_get_error() != 0) {
40 fprintf(stderr, "ERR_get_error more than the expected number of values.\n");
41 return false;
42 }
43
44 return true;
45 }
46
TestPutError()47 static bool TestPutError() {
48 if (ERR_get_error() != 0) {
49 fprintf(stderr, "ERR_get_error returned value before an error was added.\n");
50 return false;
51 }
52
53 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
54 ERR_add_error_data(1, "testing");
55
56 int peeked_line, line, peeked_flags, flags;
57 const char *peeked_file, *file, *peeked_data, *data;
58 uint32_t peeked_packed_error =
59 ERR_peek_error_line_data(&peeked_file, &peeked_line, &peeked_data,
60 &peeked_flags);
61 uint32_t packed_error = ERR_get_error_line_data(&file, &line, &data, &flags);
62
63 if (peeked_packed_error != packed_error ||
64 peeked_file != file ||
65 peeked_data != data ||
66 peeked_flags != flags) {
67 fprintf(stderr, "Bad peeked error data returned.\n");
68 return false;
69 }
70
71 if (strcmp(file, "test") != 0 ||
72 line != 4 ||
73 (flags & ERR_FLAG_STRING) == 0 ||
74 ERR_GET_LIB(packed_error) != 1 ||
75 ERR_GET_REASON(packed_error) != 2 ||
76 strcmp(data, "testing") != 0) {
77 fprintf(stderr, "Bad error data returned.\n");
78 return false;
79 }
80
81 return true;
82 }
83
TestClearError()84 static bool TestClearError() {
85 if (ERR_get_error() != 0) {
86 fprintf(stderr, "ERR_get_error returned value before an error was added.\n");
87 return false;
88 }
89
90 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
91 ERR_clear_error();
92
93 if (ERR_get_error() != 0) {
94 fprintf(stderr, "Error remained after clearing.\n");
95 return false;
96 }
97
98 return true;
99 }
100
TestPrint()101 static bool TestPrint() {
102 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
103 ERR_add_error_data(1, "testing");
104 uint32_t packed_error = ERR_get_error();
105
106 char buf[256];
107 for (size_t i = 0; i <= sizeof(buf); i++) {
108 ERR_error_string_n(packed_error, buf, i);
109 }
110
111 return true;
112 }
113
TestRelease()114 static bool TestRelease() {
115 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
116 ERR_remove_thread_state(NULL);
117 return true;
118 }
119
HasSuffix(const char * str,const char * suffix)120 static bool HasSuffix(const char *str, const char *suffix) {
121 size_t suffix_len = strlen(suffix);
122 size_t str_len = strlen(str);
123 if (str_len < suffix_len) {
124 return false;
125 }
126 return strcmp(str + str_len - suffix_len, suffix) == 0;
127 }
128
TestPutMacro()129 static bool TestPutMacro() {
130 int expected_line = __LINE__ + 1;
131 OPENSSL_PUT_ERROR(USER, ERR_R_INTERNAL_ERROR);
132
133 int line;
134 const char *file;
135 uint32_t error = ERR_get_error_line(&file, &line);
136
137 if (!HasSuffix(file, "err_test.cc") ||
138 line != expected_line ||
139 ERR_GET_LIB(error) != ERR_LIB_USER ||
140 ERR_GET_REASON(error) != ERR_R_INTERNAL_ERROR) {
141 fprintf(stderr, "Bad error data returned.\n");
142 return false;
143 }
144
145 return true;
146 }
147
main()148 int main() {
149 CRYPTO_library_init();
150
151 if (!TestOverflow() ||
152 !TestPutError() ||
153 !TestClearError() ||
154 !TestPrint() ||
155 !TestRelease() ||
156 !TestPutMacro()) {
157 return 1;
158 }
159
160 printf("PASS\n");
161 return 0;
162 }
163