1 /*-
2 * Copyright (c) 2012-2017 Dag-Erling Smørgrav
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote
14 * products derived from this software without specific prior written
15 * permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #ifdef HAVE_CONFIG_H
31 # include "config.h"
32 #endif
33
34 #include <err.h>
35 #include <stdint.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39
40 #include <cryb/test.h>
41
42 #include <security/pam_appl.h>
43 #include <security/openpam.h>
44
45 #include "openpam_impl.h"
46
47 #define T_FUNC(n, d) \
48 static const char *t_ ## n ## _desc = d; \
49 static int t_ ## n ## _func(OPENPAM_UNUSED(char **desc), \
50 OPENPAM_UNUSED(void *arg))
51
52 #define T(n) \
53 t_add_test(&t_ ## n ## _func, NULL, "%s", t_ ## n ## _desc)
54
55 /*
56 * Read a line from the temp file and verify that the result matches our
57 * expectations: whether a line was read at all, how many and which words
58 * it contained, how many lines were read (in case of quoted or escaped
59 * newlines) and whether we reached the end of the file.
60 */
61 static int
orlv_expect(struct t_file * tf,const char ** expectedv,int lines,int eof)62 orlv_expect(struct t_file *tf, const char **expectedv, int lines, int eof)
63 {
64 int expectedc, gotc, i, lineno = 0;
65 char **gotv;
66 int ret;
67
68 ret = 1;
69 expectedc = 0;
70 if (expectedv != NULL)
71 while (expectedv[expectedc] != NULL)
72 ++expectedc;
73 gotv = openpam_readlinev(tf->file, &lineno, &gotc);
74 if (t_ferror(tf))
75 err(1, "%s(): %s", __func__, tf->name);
76 if (expectedv != NULL && gotv == NULL) {
77 t_printv("expected %d words, got nothing\n", expectedc);
78 ret = 0;
79 } else if (expectedv == NULL && gotv != NULL) {
80 t_printv("expected nothing, got %d words\n", gotc);
81 ret = 0;
82 } else if (expectedv != NULL && gotv != NULL) {
83 if (expectedc != gotc) {
84 t_printv("expected %d words, got %d\n",
85 expectedc, gotc);
86 ret = 0;
87 }
88 for (i = 0; i < gotc; ++i) {
89 if (strcmp(expectedv[i], gotv[i]) != 0) {
90 t_printv("word %d: expected <<%s>>, "
91 "got <<%s>>\n", i, expectedv[i], gotv[i]);
92 ret = 0;
93 }
94 }
95 }
96 FREEV(gotc, gotv);
97 if (lineno != lines) {
98 t_printv("expected to advance %d lines, advanced %d lines\n",
99 lines, lineno);
100 ret = 0;
101 }
102 if (eof && !t_feof(tf)) {
103 t_printv("expected EOF, but didn't get it\n");
104 ret = 0;
105 } else if (!eof && t_feof(tf)) {
106 t_printv("didn't expect EOF, but got it anyway\n");
107 ret = 0;
108 }
109 return (ret);
110 }
111
112
113 /***************************************************************************
114 * Commonly-used lines
115 */
116
117 static const char *empty[] = {
118 NULL
119 };
120
121 static const char *hello[] = {
122 "hello",
123 NULL
124 };
125
126 static const char *hello_world[] = {
127 "hello",
128 "world",
129 NULL
130 };
131
132 static const char *numbers[] = {
133 "zero", "one", "two", "three", "four", "five", "six", "seven",
134 "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen",
135 "fifteen", "sixteen", "seventeen", "nineteen", "twenty",
136 "twenty-one", "twenty-two", "twenty-three", "twenty-four",
137 "twenty-five", "twenty-six", "twenty-seven", "twenty-eight",
138 "twenty-nine", "thirty", "thirty-one", "thirty-two", "thirty-three",
139 "thirty-four", "thirty-five", "thirty-six", "thirty-seven",
140 "thirty-eight", "thirty-nine", "fourty", "fourty-one", "fourty-two",
141 "fourty-three", "fourty-four", "fourty-five", "fourty-six",
142 "fourty-seven", "fourty-eight", "fourty-nine", "fifty", "fifty-one",
143 "fifty-two", "fifty-three", "fifty-four", "fifty-five", "fifty-six",
144 "fifty-seven", "fifty-eight", "fifty-nine", "sixty", "sixty-one",
145 "sixty-two", "sixty-three",
146 NULL
147 };
148
149
150 /***************************************************************************
151 * Lines without words
152 */
153
154 T_FUNC(empty_input, "empty input")
155 {
156 struct t_file *tf;
157 int ret;
158
159 tf = t_fopen(NULL);
160 ret = orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/);
161 t_fclose(tf);
162 return (ret);
163 }
164
165 T_FUNC(empty_line, "empty line")
166 {
167 struct t_file *tf;
168 int ret;
169
170 tf = t_fopen(NULL);
171 t_fprintf(tf, "\n");
172 t_frewind(tf);
173 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/);
174 t_fclose(tf);
175 return (ret);
176 }
177
178 T_FUNC(unterminated_empty_line, "unterminated empty line")
179 {
180 struct t_file *tf;
181 int ret;
182
183 tf = t_fopen(NULL);
184 t_fprintf(tf, " ");
185 t_frewind(tf);
186 ret = orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/);
187 t_fclose(tf);
188 return (ret);
189 }
190
191 T_FUNC(whitespace, "whitespace")
192 {
193 struct t_file *tf;
194 int ret;
195
196 tf = t_fopen(NULL);
197 t_fprintf(tf, " \n");
198 t_frewind(tf);
199 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/);
200 t_fclose(tf);
201 return (ret);
202 }
203
204 T_FUNC(comment, "comment")
205 {
206 struct t_file *tf;
207 int ret;
208
209 tf = t_fopen(NULL);
210 t_fprintf(tf, "# comment\n");
211 t_frewind(tf);
212 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/);
213 t_fclose(tf);
214 return (ret);
215 }
216
217 T_FUNC(whitespace_before_comment, "whitespace before comment")
218 {
219 struct t_file *tf;
220 int ret;
221
222 tf = t_fopen(NULL);
223 t_fprintf(tf, " # comment\n");
224 t_frewind(tf);
225 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/);
226 t_fclose(tf);
227 return (ret);
228 }
229
230 T_FUNC(line_continuation_within_whitespace, "line continuation within whitespace")
231 {
232 struct t_file *tf;
233 int ret;
234
235 tf = t_fopen(NULL);
236 t_fprintf(tf, "%s \\\n %s\n", hello_world[0], hello_world[1]);
237 t_frewind(tf);
238 ret = orlv_expect(tf, hello_world, 2 /*lines*/, 0 /*eof*/) &&
239 orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/);
240 t_fclose(tf);
241 return (ret);
242 }
243
244
245 /***************************************************************************
246 * Simple words
247 */
248
249 T_FUNC(one_word, "one word")
250 {
251 struct t_file *tf;
252 int ret;
253
254 tf = t_fopen(NULL);
255 t_fprintf(tf, "hello\n");
256 t_frewind(tf);
257 ret = orlv_expect(tf, hello, 1 /*lines*/, 0 /*eof*/);
258 t_fclose(tf);
259 return (ret);
260 }
261
262 T_FUNC(two_words, "two words")
263 {
264 struct t_file *tf;
265 int ret;
266
267 tf = t_fopen(NULL);
268 t_fprintf(tf, "hello world\n");
269 t_frewind(tf);
270 ret = orlv_expect(tf, hello_world, 1 /*lines*/, 0 /*eof*/);
271 t_fclose(tf);
272 return (ret);
273 }
274
275 T_FUNC(many_words, "many words")
276 {
277 struct t_file *tf;
278 const char **word;
279 int ret;
280
281 tf = t_fopen(NULL);
282 for (word = numbers; *word; ++word)
283 t_fprintf(tf, " %s", *word);
284 t_fprintf(tf, "\n");
285 t_frewind(tf);
286 ret = orlv_expect(tf, numbers, 1 /*lines*/, 0 /*eof*/);
287 t_fclose(tf);
288 return (ret);
289 }
290
291 T_FUNC(unterminated_line, "unterminated line")
292 {
293 struct t_file *tf;
294 int ret;
295
296 tf = t_fopen(NULL);
297 t_fprintf(tf, "hello world");
298 t_frewind(tf);
299 ret = orlv_expect(tf, hello_world, 0 /*lines*/, 1 /*eof*/);
300 t_fclose(tf);
301 return (ret);
302 }
303
304
305 /***************************************************************************
306 * Boilerplate
307 */
308
309 static int
t_prepare(int argc,char * argv[])310 t_prepare(int argc, char *argv[])
311 {
312
313 (void)argc;
314 (void)argv;
315
316 T(empty_input);
317 T(empty_line);
318 T(unterminated_empty_line);
319 T(whitespace);
320 T(comment);
321 T(whitespace_before_comment);
322 T(line_continuation_within_whitespace);
323
324 T(one_word);
325 T(two_words);
326 T(many_words);
327 T(unterminated_line);
328
329 return (0);
330 }
331
332 int
main(int argc,char * argv[])333 main(int argc, char *argv[])
334 {
335
336 t_main(t_prepare, NULL, argc, argv);
337 }
338