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1 /*
2  * This testing program makes sure the badblocks implementation works.
3  *
4  * Copyright (C) 1996 by Theodore Ts'o.
5  *
6  * %Begin-Header%
7  * This file may be redistributed under the terms of the GNU Library
8  * General Public License, version 2.
9  * %End-Header%
10  */
11 
12 #include "config.h"
13 #include <stdio.h>
14 #include <string.h>
15 #if HAVE_UNISTD_H
16 #include <unistd.h>
17 #endif
18 #include <fcntl.h>
19 #include <time.h>
20 #include <sys/stat.h>
21 #include <sys/types.h>
22 #if HAVE_ERRNO_H
23 #include <errno.h>
24 #endif
25 
26 #include "ext2_fs.h"
27 #include "ext2fs.h"
28 
29 #define ADD_BLK	0x0001
30 #define DEL_BLK	0x0002
31 
32 blk_t test1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0 };
33 blk_t test2[] = { 11, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 0 };
34 blk_t test3[] = { 3, 1, 4, 5, 9, 2, 7, 10, 5, 6, 10, 8, 0 };
35 blk_t test4[] = { 20, 50, 12, 17, 13, 2, 66, 23, 56, 0 };
36 blk_t test4a[] = {
37 	20, 1,
38 	50, 1,
39 	3, 0,
40 	17, 1,
41 	18, 0,
42 	16, 0,
43 	11, 0,
44 	12, 1,
45 	13, 1,
46 	14, 0,
47 	80, 0,
48 	45, 0,
49 	66, 1,
50 	0 };
51 blk_t test5[] = { 31, 20, 17, 51, 23, 1, 56, 57, 0 };
52 blk_t test5a[] = {
53 	50, ADD_BLK,
54 	51, DEL_BLK,
55 	57, DEL_BLK,
56 	66, ADD_BLK,
57 	31, DEL_BLK,
58 	12, ADD_BLK,
59 	2, ADD_BLK,
60 	13, ADD_BLK,
61 	1, DEL_BLK,
62 	0
63 	};
64 
65 
66 static int test_fail = 0;
67 static int test_expected_fail = 0;
68 
create_test_list(blk_t * vec,badblocks_list * ret)69 static errcode_t create_test_list(blk_t *vec, badblocks_list *ret)
70 {
71 	errcode_t	retval;
72 	badblocks_list	bb;
73 	int		i;
74 
75 	retval = ext2fs_badblocks_list_create(&bb, 5);
76 	if (retval) {
77 		com_err("create_test_list", retval, "while creating list");
78 		return retval;
79 	}
80 	for (i=0; vec[i]; i++) {
81 		retval = ext2fs_badblocks_list_add(bb, vec[i]);
82 		if (retval) {
83 			com_err("create_test_list", retval,
84 				"while adding test vector %d", i);
85 			ext2fs_badblocks_list_free(bb);
86 			return retval;
87 		}
88 	}
89 	*ret = bb;
90 	return 0;
91 }
92 
print_list(badblocks_list bb,int verify)93 static void print_list(badblocks_list bb, int verify)
94 {
95 	errcode_t	retval;
96 	badblocks_iterate	iter;
97 	blk_t			blk;
98 	int			i, ok;
99 
100 	retval = ext2fs_badblocks_list_iterate_begin(bb, &iter);
101 	if (retval) {
102 		com_err("print_list", retval, "while setting up iterator");
103 		return;
104 	}
105 	ok = i = 1;
106 	while (ext2fs_badblocks_list_iterate(iter, &blk)) {
107 		printf("%u ", blk);
108 		if (i++ != blk)
109 			ok = 0;
110 	}
111 	ext2fs_badblocks_list_iterate_end(iter);
112 	if (verify) {
113 		if (ok)
114 			printf("--- OK");
115 		else {
116 			printf("--- NOT OK");
117 			test_fail++;
118 		}
119 	}
120 }
121 
validate_test_seq(badblocks_list bb,blk_t * vec)122 static void validate_test_seq(badblocks_list bb, blk_t *vec)
123 {
124 	int	i, match, ok;
125 
126 	for (i = 0; vec[i]; i += 2) {
127 		match = ext2fs_badblocks_list_test(bb, vec[i]);
128 		if (match == vec[i+1])
129 			ok = 1;
130 		else {
131 			ok = 0;
132 			test_fail++;
133 		}
134 		printf("\tblock %u is %s --- %s\n", vec[i],
135 		       match ? "present" : "absent",
136 		       ok ? "OK" : "NOT OK");
137 	}
138 }
139 
do_test_seq(badblocks_list bb,blk_t * vec)140 static void do_test_seq(badblocks_list bb, blk_t *vec)
141 {
142 	int	i, match;
143 
144 	for (i = 0; vec[i]; i += 2) {
145 		switch (vec[i+1]) {
146 		case ADD_BLK:
147 			ext2fs_badblocks_list_add(bb, vec[i]);
148 			match = ext2fs_badblocks_list_test(bb, vec[i]);
149 			printf("Adding block %u --- now %s\n", vec[i],
150 			       match ? "present" : "absent");
151 			if (!match) {
152 				printf("FAILURE!\n");
153 				test_fail++;
154 			}
155 			break;
156 		case DEL_BLK:
157 			ext2fs_badblocks_list_del(bb, vec[i]);
158 			match = ext2fs_badblocks_list_test(bb, vec[i]);
159 			printf("Removing block %u --- now %s\n", vec[i],
160 			       ext2fs_badblocks_list_test(bb, vec[i]) ?
161 			       "present" : "absent");
162 			if (match) {
163 				printf("FAILURE!\n");
164 				test_fail++;
165 			}
166 			break;
167 		}
168 	}
169 }
170 
171 
file_test(badblocks_list bb)172 int file_test(badblocks_list bb)
173 {
174 	badblocks_list new_bb = 0;
175 	errcode_t	retval;
176 	FILE	*f;
177 
178 	f = tmpfile();
179 	if (!f) {
180 		fprintf(stderr, "Error opening temp file: %s\n",
181 			error_message(errno));
182 		return 1;
183 	}
184 	retval = ext2fs_write_bb_FILE(bb, 0, f);
185 	if (retval) {
186 		com_err("file_test", retval, "while writing bad blocks");
187 		return 1;
188 	}
189 
190 	rewind(f);
191 	retval = ext2fs_read_bb_FILE2(0, f, &new_bb, 0, 0);
192 	if (retval) {
193 		com_err("file_test", retval, "while reading bad blocks");
194 		return 1;
195 	}
196 	fclose(f);
197 
198 	if (ext2fs_badblocks_equal(bb, new_bb)) {
199 		printf("Block bitmap matched after reading and writing.\n");
200 	} else {
201 		printf("Block bitmap NOT matched.\n");
202 		test_fail++;
203 	}
204 	return 0;
205 }
206 
invalid_proc(ext2_filsys fs,blk_t blk)207 static void invalid_proc(ext2_filsys fs, blk_t blk)
208 {
209 	if (blk == 34500) {
210 		printf("Expected invalid block\n");
211 		test_expected_fail++;
212 	} else {
213 		printf("Invalid block #: %u\n", blk);
214 		test_fail++;
215 	}
216 }
217 
file_test_invalid(badblocks_list bb)218 int file_test_invalid(badblocks_list bb)
219 {
220 	badblocks_list new_bb = 0;
221 	errcode_t	retval;
222 	ext2_filsys 	fs;
223 	FILE	*f;
224 
225 	fs = malloc(sizeof(struct struct_ext2_filsys));
226 	memset(fs, 0, sizeof(struct struct_ext2_filsys));
227 	fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS;
228 	fs->super = malloc(SUPERBLOCK_SIZE);
229 	memset(fs->super, 0, SUPERBLOCK_SIZE);
230 	fs->super->s_first_data_block = 1;
231 	ext2fs_blocks_count_set(fs->super, 100);
232 
233 	f = tmpfile();
234 	if (!f) {
235 		fprintf(stderr, "Error opening temp file: %s\n",
236 			error_message(errno));
237 		return 1;
238 	}
239 	retval = ext2fs_write_bb_FILE(bb, 0, f);
240 	if (retval) {
241 		com_err("file_test", retval, "while writing bad blocks");
242 		return 1;
243 	}
244 	fprintf(f, "34500\n");
245 
246 	rewind(f);
247 	test_expected_fail = 0;
248 	retval = ext2fs_read_bb_FILE(fs, f, &new_bb, invalid_proc);
249 	if (retval) {
250 		com_err("file_test", retval, "while reading bad blocks");
251 		return 1;
252 	}
253 	fclose(f);
254 	if (!test_expected_fail) {
255 		printf("Expected test failure didn't happen!\n");
256 		test_fail++;
257 	}
258 
259 
260 	if (ext2fs_badblocks_equal(bb, new_bb)) {
261 		printf("Block bitmap matched after reading and writing.\n");
262 	} else {
263 		printf("Block bitmap NOT matched.\n");
264 		test_fail++;
265 	}
266 	return 0;
267 }
268 
main(int argc,char ** argv)269 int main(int argc, char **argv)
270 {
271 	badblocks_list bb1, bb2, bb3, bb4, bb5;
272 	int	equal;
273 	errcode_t	retval;
274 
275 	add_error_table(&et_ext2_error_table);
276 
277 	bb1 = bb2 = bb3 = bb4 = bb5 = 0;
278 
279 	printf("test1: ");
280 	retval = create_test_list(test1, &bb1);
281 	if (retval == 0)
282 		print_list(bb1, 1);
283 	printf("\n");
284 
285 	printf("test2: ");
286 	retval = create_test_list(test2, &bb2);
287 	if (retval == 0)
288 		print_list(bb2, 1);
289 	printf("\n");
290 
291 	printf("test3: ");
292 	retval = create_test_list(test3, &bb3);
293 	if (retval == 0)
294 		print_list(bb3, 1);
295 	printf("\n");
296 
297 	printf("test4: ");
298 	retval = create_test_list(test4, &bb4);
299 	if (retval == 0) {
300 		print_list(bb4, 0);
301 		printf("\n");
302 		validate_test_seq(bb4, test4a);
303 	}
304 	printf("\n");
305 
306 	printf("test5: ");
307 	retval = create_test_list(test5, &bb5);
308 	if (retval == 0) {
309 		print_list(bb5, 0);
310 		printf("\n");
311 		do_test_seq(bb5, test5a);
312 		printf("After test5 sequence: ");
313 		print_list(bb5, 0);
314 		printf("\n");
315 	}
316 	printf("\n");
317 
318 	if (bb1 && bb2 && bb3 && bb4 && bb5) {
319 		printf("Comparison tests:\n");
320 		equal = ext2fs_badblocks_equal(bb1, bb2);
321 		printf("bb1 and bb2 are %sequal.\n", equal ? "" : "NOT ");
322 		if (equal)
323 			test_fail++;
324 
325 		equal = ext2fs_badblocks_equal(bb1, bb3);
326 		printf("bb1 and bb3 are %sequal.\n", equal ? "" : "NOT ");
327 		if (!equal)
328 			test_fail++;
329 
330 		equal = ext2fs_badblocks_equal(bb1, bb4);
331 		printf("bb1 and bb4 are %sequal.\n", equal ? "" : "NOT ");
332 		if (equal)
333 			test_fail++;
334 
335 		equal = ext2fs_badblocks_equal(bb4, bb5);
336 		printf("bb4 and bb5 are %sequal.\n", equal ? "" : "NOT ");
337 		if (!equal)
338 			test_fail++;
339 		printf("\n");
340 	}
341 
342 	file_test(bb4);
343 
344 	file_test_invalid(bb4);
345 
346 	if (test_fail == 0)
347 		printf("ext2fs library badblocks tests checks out OK!\n");
348 
349 	if (bb1)
350 		ext2fs_badblocks_list_free(bb1);
351 	if (bb2)
352 		ext2fs_badblocks_list_free(bb2);
353 	if (bb3)
354 		ext2fs_badblocks_list_free(bb3);
355 	if (bb4)
356 		ext2fs_badblocks_list_free(bb4);
357 
358 	return test_fail;
359 
360 }
361