aboutsummaryrefslogtreecommitdiff
path: root/tests/libsqfs/get_node_path.c
blob: c76cc1c255bb14f759f684560f92a819194454e0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * get_node_path.c
 *
 * Copyright (C) 2022 David Oberhollenzer <goliath@infraroot.at>
 */
#include "config.h"
#include "compat.h"
#include "util/test.h"

#include "sqfs/dir_reader.h"
#include "sqfs/error.h"

int main(int argc, char **argv)
{
	sqfs_tree_node_t *n0, *n1, *n2;
	char *str;
	int ret;
	(void)argc;
	(void)argv;

	n0 = calloc(1, sizeof(*n0) + 16);
	TEST_NOT_NULL(n0);

	n1 = calloc(1, sizeof(*n1) + 16);
	TEST_NOT_NULL(n1);

	n2 = calloc(1, sizeof(*n2) + 16);
	TEST_NOT_NULL(n2);

	/* no parent -> must return "/" */
	ret = sqfs_tree_node_get_path(n0, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/");
	sqfs_free(str);

	/* hiearchy levels */
	n1->parent = n0;
	n0->children = n1;
	strcpy((char *)n1->name, "bar");

	n2->parent = n1;
	n1->children = n2;
	strcpy((char *)n2->name, "baz");

	ret = sqfs_tree_node_get_path(n1, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/bar");
	sqfs_free(str);

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/bar/baz");
	sqfs_free(str);

	/* root node must not have a name */
	strcpy((char *)n0->name, "foo");

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, SQFS_ERROR_ARG_INVALID);
	TEST_NULL(str);
	n0->name[0] = '\0';

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/bar/baz");
	sqfs_free(str);

	/* non-root nodes must have names */
	n1->name[0] = '\0';

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
	TEST_NULL(str);
	n1->name[0] = 'b';

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/bar/baz");
	sqfs_free(str);

	/* some names are illegal */
	strcpy((char *)n1->name, "..");
	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
	TEST_NULL(str);

	strcpy((char *)n1->name, ".");
	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
	TEST_NULL(str);

	strcpy((char *)n1->name, "a/b");
	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, SQFS_ERROR_CORRUPTED);
	TEST_NULL(str);

	strcpy((char *)n1->name, "bar");
	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/bar/baz");
	sqfs_free(str);

	/* link loops must be detected */
	n0->parent = n2;
	strcpy((char *)n0->name, "foo");

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, SQFS_ERROR_LINK_LOOP);
	TEST_NULL(str);

	n0->parent = NULL;
	n0->name[0] = '\0';

	ret = sqfs_tree_node_get_path(n2, &str);
	TEST_EQUAL_I(ret, 0);
	TEST_NOT_NULL(str);
	TEST_STR_EQUAL(str, "/bar/baz");
	sqfs_free(str);

	/* cleanup */
	free(n0);
	free(n1);
	free(n2);
	return EXIT_SUCCESS;
}