1/*-
2 * Copyright (c) 2010 Jilles Tjoelker
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <errno.h>
31#include <stdio.h>
32#include <stdlib.h>
33#include <string.h>
34#include <unistd.h>
35#include <fnmatch.h>
36
37struct testcase {
38	const char *pattern;
39	const char *string;
40	int flags;
41	int result;
42} testcases[] = {
43	"", "", 0, 0,
44	"a", "a", 0, 0,
45	"a", "b", 0, FNM_NOMATCH,
46	"a", "A", 0, FNM_NOMATCH,
47	"*", "a", 0, 0,
48	"*", "aa", 0, 0,
49	"*a", "a", 0, 0,
50	"*a", "b", 0, FNM_NOMATCH,
51	"*a*", "b", 0, FNM_NOMATCH,
52	"*a*b*", "ab", 0, 0,
53	"*a*b*", "qaqbq", 0, 0,
54	"*a*bb*", "qaqbqbbq", 0, 0,
55	"*a*bc*", "qaqbqbcq", 0, 0,
56	"*a*bb*", "qaqbqbb", 0, 0,
57	"*a*bc*", "qaqbqbc", 0, 0,
58	"*a*bb", "qaqbqbb", 0, 0,
59	"*a*bc", "qaqbqbc", 0, 0,
60	"*a*bb", "qaqbqbbq", 0, FNM_NOMATCH,
61	"*a*bc", "qaqbqbcq", 0, FNM_NOMATCH,
62	"*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaa", 0, FNM_NOMATCH,
63	"*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaaa", 0, 0,
64	"*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaaaa", 0, 0,
65	".*.*.*.*.*.*.*.*.*.*", ".........", 0, FNM_NOMATCH,
66	".*.*.*.*.*.*.*.*.*.*", "..........", 0, 0,
67	".*.*.*.*.*.*.*.*.*.*", "...........", 0, 0,
68	"*?*?*?*?*?*?*?*?*?*?*", "123456789", 0, FNM_NOMATCH,
69	"??????????*", "123456789", 0, FNM_NOMATCH,
70	"*??????????", "123456789", 0, FNM_NOMATCH,
71	"*?*?*?*?*?*?*?*?*?*?*", "1234567890", 0, 0,
72	"??????????*", "1234567890", 0, 0,
73	"*??????????", "1234567890", 0, 0,
74	"*?*?*?*?*?*?*?*?*?*?*", "12345678901", 0, 0,
75	"??????????*", "12345678901", 0, 0,
76	"*??????????", "12345678901", 0, 0,
77	"[x]", "x", 0, 0,
78	"[*]", "*", 0, 0,
79	"[?]", "?", 0, 0,
80	"[", "[", 0, 0,
81	"[[]", "[", 0, 0,
82	"[[]", "x", 0, FNM_NOMATCH,
83	"[*]", "", 0, FNM_NOMATCH,
84	"[*]", "x", 0, FNM_NOMATCH,
85	"[?]", "x", 0, FNM_NOMATCH,
86	"*[*]*", "foo*foo", 0, 0,
87	"*[*]*", "foo", 0, FNM_NOMATCH,
88	"[0-9]", "0", 0, 0,
89	"[0-9]", "5", 0, 0,
90	"[0-9]", "9", 0, 0,
91	"[0-9]", "/", 0, FNM_NOMATCH,
92	"[0-9]", ":", 0, FNM_NOMATCH,
93	"[0-9]", "*", 0, FNM_NOMATCH,
94	"[!0-9]", "0", 0, FNM_NOMATCH,
95	"[!0-9]", "5", 0, FNM_NOMATCH,
96	"[!0-9]", "9", 0, FNM_NOMATCH,
97	"[!0-9]", "/", 0, 0,
98	"[!0-9]", ":", 0, 0,
99	"[!0-9]", "*", 0, 0,
100	"*[0-9]", "a0", 0, 0,
101	"*[0-9]", "a5", 0, 0,
102	"*[0-9]", "a9", 0, 0,
103	"*[0-9]", "a/", 0, FNM_NOMATCH,
104	"*[0-9]", "a:", 0, FNM_NOMATCH,
105	"*[0-9]", "a*", 0, FNM_NOMATCH,
106	"*[!0-9]", "a0", 0, FNM_NOMATCH,
107	"*[!0-9]", "a5", 0, FNM_NOMATCH,
108	"*[!0-9]", "a9", 0, FNM_NOMATCH,
109	"*[!0-9]", "a/", 0, 0,
110	"*[!0-9]", "a:", 0, 0,
111	"*[!0-9]", "a*", 0, 0,
112	"*[0-9]", "a00", 0, 0,
113	"*[0-9]", "a55", 0, 0,
114	"*[0-9]", "a99", 0, 0,
115	"*[0-9]", "a0a0", 0, 0,
116	"*[0-9]", "a5a5", 0, 0,
117	"*[0-9]", "a9a9", 0, 0,
118	"\\*", "*", 0, 0,
119	"\\?", "?", 0, 0,
120	"\\[x]", "[x]", 0, 0,
121	"\\[", "[", 0, 0,
122	"\\\\", "\\", 0, 0,
123	"*\\**", "foo*foo", 0, 0,
124	"*\\**", "foo", 0, FNM_NOMATCH,
125	"*\\\\*", "foo\\foo", 0, 0,
126	"*\\\\*", "foo", 0, FNM_NOMATCH,
127	"\\(", "(", 0, 0,
128	"\\a", "a", 0, 0,
129	"\\*", "a", 0, FNM_NOMATCH,
130	"\\?", "a", 0, FNM_NOMATCH,
131	"\\*", "\\*", 0, FNM_NOMATCH,
132	"\\?", "\\?", 0, FNM_NOMATCH,
133	"\\[x]", "\\[x]", 0, FNM_NOMATCH,
134	"\\[x]", "\\x", 0, FNM_NOMATCH,
135	"\\[", "\\[", 0, FNM_NOMATCH,
136	"\\(", "\\(", 0, FNM_NOMATCH,
137	"\\a", "\\a", 0, FNM_NOMATCH,
138	"\\", "\\", 0, FNM_NOMATCH,
139	"\\", "", 0, 0,
140	"\\*", "\\*", FNM_NOESCAPE, 0,
141	"\\?", "\\?", FNM_NOESCAPE, 0,
142	"\\", "\\", FNM_NOESCAPE, 0,
143	"\\\\", "\\", FNM_NOESCAPE, FNM_NOMATCH,
144	"\\\\", "\\\\", FNM_NOESCAPE, 0,
145	"*\\*", "foo\\foo", FNM_NOESCAPE, 0,
146	"*\\*", "foo", FNM_NOESCAPE, FNM_NOMATCH,
147	"*", ".", FNM_PERIOD, FNM_NOMATCH,
148	"?", ".", FNM_PERIOD, FNM_NOMATCH,
149	".*", ".", 0, 0,
150	".*", "..", 0, 0,
151	".*", ".a", 0, 0,
152	"[0-9]", ".", FNM_PERIOD, FNM_NOMATCH,
153	"a*", "a.", 0, 0,
154	"a/a", "a/a", FNM_PATHNAME, 0,
155	"a/*", "a/a", FNM_PATHNAME, 0,
156	"*/a", "a/a", FNM_PATHNAME, 0,
157	"*/*", "a/a", FNM_PATHNAME, 0,
158	"a*b/*", "abbb/x", FNM_PATHNAME, 0,
159	"a*b/*", "abbb/.x", FNM_PATHNAME, 0,
160	"*", "a/a", FNM_PATHNAME, FNM_NOMATCH,
161	"*/*", "a/a/a", FNM_PATHNAME, FNM_NOMATCH,
162	"b/*", "b/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH,
163	"b*/*", "a/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH,
164	"b/.*", "b/.x", FNM_PATHNAME | FNM_PERIOD, 0,
165	"b*/.*", "b/.x", FNM_PATHNAME | FNM_PERIOD, 0,
166	"a", "A", FNM_CASEFOLD, 0,
167	"A", "a", FNM_CASEFOLD, 0,
168	"[a]", "A", FNM_CASEFOLD, 0,
169	"[A]", "a", FNM_CASEFOLD, 0,
170	"a", "b", FNM_CASEFOLD, FNM_NOMATCH,
171	"a", "a/b", FNM_PATHNAME, FNM_NOMATCH,
172	"*", "a/b", FNM_PATHNAME, FNM_NOMATCH,
173	"*b", "a/b", FNM_PATHNAME, FNM_NOMATCH,
174	"a", "a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
175	"*", "a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
176	"*", ".a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
177	"*a", ".a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
178	"*", ".a/b", FNM_PATHNAME | FNM_PERIOD | FNM_LEADING_DIR, FNM_NOMATCH,
179	"*a", ".a/b", FNM_PATHNAME | FNM_PERIOD | FNM_LEADING_DIR, FNM_NOMATCH,
180	"a*b/*", "abbb/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH,
181};
182
183static const char *
184flags_to_string(int flags)
185{
186	static const int flagvalues[] = { FNM_NOESCAPE, FNM_PATHNAME,
187		FNM_PERIOD, FNM_LEADING_DIR, FNM_CASEFOLD, 0 };
188	static const char flagnames[] = "FNM_NOESCAPE\0FNM_PATHNAME\0FNM_PERIOD\0FNM_LEADING_DIR\0FNM_CASEFOLD\0";
189	static char result[sizeof(flagnames) + 3 * sizeof(int) + 2];
190	char *p;
191	size_t i, len;
192	const char *fp;
193
194	p = result;
195	fp = flagnames;
196	for (i = 0; flagvalues[i] != 0; i++) {
197		len = strlen(fp);
198		if (flags & flagvalues[i]) {
199			if (p != result)
200				*p++ = '|';
201			memcpy(p, fp, len);
202			p += len;
203			flags &= ~flagvalues[i];
204		}
205		fp += len + 1;
206	}
207	if (p == result)
208		memcpy(p, "0", 2);
209	else if (flags != 0)
210		sprintf(p, "%d", flags);
211	else
212		*p = '\0';
213	return result;
214}
215
216static int
217write_sh_tests(const char *progname, int num)
218{
219	size_t i, n;
220	struct testcase *t;
221
222	printf("# Generated by %s -s %d, do not edit.\n", progname, num);
223	printf("# $" "FreeBSD$\n");
224	printf("failures=\n");
225	printf("failed() { printf '%%s\\n' \"Failed: $1 '$2' '$3'\"; failures=x$failures; }\n");
226	if (num == 1) {
227		printf("testmatch() { eval \"case \\$2 in ''$1) ;; *) failed testmatch \\\"\\$@\\\";; esac\"; }\n");
228		printf("testnomatch() { eval \"case \\$2 in ''$1) failed testnomatch \\\"\\$@\\\";; esac\"; }\n");
229	} else if (num == 2) {
230		printf("# We do not treat a backslash specially in this case,\n");
231		printf("# but this is not the case in all shells.\n");
232		printf("netestmatch() { case $2 in $1) ;; *) failed netestmatch \"$@\";; esac; }\n");
233		printf("netestnomatch() { case $2 in $1) failed netestnomatch \"$@\";; esac; }\n");
234	}
235	n = sizeof(testcases) / sizeof(testcases[0]);
236	for (i = 0; i < n; i++) {
237		t = &testcases[i];
238		if (strchr(t->pattern, '\'') != NULL ||
239		    strchr(t->string, '\'') != NULL)
240			continue;
241		if (t->flags == 0 && strcmp(t->pattern, "\\") == 0)
242			continue;
243		if (num == 1 && t->flags == 0)
244			printf("test%smatch '%s' '%s'\n",
245			    t->result == FNM_NOMATCH ? "no" : "",
246			    t->pattern, t->string);
247		if (num == 2 && (t->flags == FNM_NOESCAPE ||
248		    (t->flags == 0 && strchr(t->pattern, '\\') == NULL)))
249			printf("netest%smatch '%s' '%s'\n",
250			    t->result == FNM_NOMATCH ? "no" : "",
251			    t->pattern, t->string);
252	}
253	printf("[ -z \"$failures\" ]\n");
254	return 0;
255}
256
257int
258main(int argc, char *argv[])
259{
260	size_t i, n;
261	int opt, flags, result, extra, errors;
262	struct testcase *t;
263
264	while ((opt = getopt(argc, argv, "s:")) != -1) {
265		switch (opt) {
266			case 's':
267				return (write_sh_tests(argv[0], atoi(optarg)));
268			default:
269				fprintf(stderr, "usage: %s [-s num]\n", argv[0]);
270				fprintf(stderr, "-s option writes tests for sh(1), num is 1 or 2\n");
271				exit(1);
272		}
273	}
274	n = sizeof(testcases) / sizeof(testcases[0]);
275	errors = 0;
276	printf("1..%zu\n", n);
277	for (i = 0; i < n; i++) {
278		t = &testcases[i];
279		flags = t->flags;
280		extra = 0;
281		do {
282			result = fnmatch(t->pattern, t->string, flags);
283			if (result != t->result)
284				break;
285			if (strchr(t->pattern, '\\') == NULL &&
286			    !(flags & FNM_NOESCAPE)) {
287				flags |= FNM_NOESCAPE;
288				result = fnmatch(t->pattern, t->string, flags);
289				if (result != t->result)
290					break;
291				flags = t->flags;
292				extra++;
293			}
294			if (strchr(t->pattern, '\\') != NULL &&
295			    strchr(t->string, '\\') == NULL &&
296			    t->result == FNM_NOMATCH &&
297			    !(flags & (FNM_NOESCAPE | FNM_LEADING_DIR))) {
298				flags |= FNM_NOESCAPE;
299				result = fnmatch(t->pattern, t->string, flags);
300				if (result != t->result)
301					break;
302				flags = t->flags;
303				extra++;
304			}
305			if ((t->string[0] != '.' || t->pattern[0] == '.' ||
306			    t->result == FNM_NOMATCH) &&
307			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
308				flags |= FNM_PERIOD;
309				result = fnmatch(t->pattern, t->string, flags);
310				if (result != t->result)
311					break;
312				flags = t->flags;
313				extra++;
314			}
315			if ((strchr(t->string, '/') == NULL ||
316			    t->result == FNM_NOMATCH) &&
317			    !(flags & FNM_PATHNAME)) {
318				flags |= FNM_PATHNAME;
319				result = fnmatch(t->pattern, t->string, flags);
320				if (result != t->result)
321					break;
322				flags = t->flags;
323				extra++;
324			}
325			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
326			    strstr(t->string, "/.") == NULL) ||
327			    t->result == FNM_NOMATCH) &&
328			    flags & FNM_PATHNAME && !(flags & FNM_PERIOD)) {
329				flags |= FNM_PERIOD;
330				result = fnmatch(t->pattern, t->string, flags);
331				if (result != t->result)
332					break;
333				flags = t->flags;
334				extra++;
335			}
336			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
337			    strchr(t->string, '/') == NULL) ||
338			    t->result == FNM_NOMATCH) &&
339			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
340				flags |= FNM_PATHNAME | FNM_PERIOD;
341				result = fnmatch(t->pattern, t->string, flags);
342				if (result != t->result)
343					break;
344				flags = t->flags;
345				extra++;
346			}
347			if ((strchr(t->string, '/') == NULL || t->result == 0)
348			    && !(flags & FNM_LEADING_DIR)) {
349				flags |= FNM_LEADING_DIR;
350				result = fnmatch(t->pattern, t->string, flags);
351				if (result != t->result)
352					break;
353				flags = t->flags;
354				extra++;
355			}
356			if (t->result == 0 && !(flags & FNM_CASEFOLD)) {
357				flags |= FNM_CASEFOLD;
358				result = fnmatch(t->pattern, t->string, flags);
359				if (result != t->result)
360					break;
361				flags = t->flags;
362				extra++;
363			}
364			if (strchr(t->pattern, '\\') == NULL &&
365			    t->result == 0 &&
366			    !(flags & (FNM_NOESCAPE | FNM_CASEFOLD))) {
367				flags |= FNM_NOESCAPE | FNM_CASEFOLD;
368				result = fnmatch(t->pattern, t->string, flags);
369				if (result != t->result)
370					break;
371				flags = t->flags;
372				extra++;
373			}
374		} while (0);
375		if (result == t->result)
376			printf("ok %zu - fnmatch(\"%s\", \"%s\", %s) = %d (+%d)\n",
377			    i + 1, t->pattern, t->string,
378			    flags_to_string(flags),
379			    result, extra);
380		else {
381			printf("not ok %zu - fnmatch(\"%s\", \"%s\", %s) = %d != %d\n",
382			    i + 1, t->pattern, t->string,
383			    flags_to_string(flags),
384			    result, t->result);
385			errors = 1;
386		}
387	}
388
389	return (errors);
390}
391