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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* sort_file.c
*
* Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "sqfs/block.h"
#include "fstree.h"
#include "util/test.h"
#include "util/util.h"
static const char *listing =
"dir /bin 0755 0 0\n"
"dir /lib 0755 0 0\n"
"dir /usr 0755 0 0\n"
"dir /usr/share 0755 0 0\n"
"\n"
"file /bin/chown 0755 0 0\n"
"file /bin/ls 0755 0 0\n"
"file /bin/chmod 0755 0 0\n"
"file /bin/dir 0755 0 0\n"
"file /bin/cp 0755 0 0\n"
"file /bin/dd 0755 0 0\n"
"file /bin/ln 0755 0 0\n"
"file /bin/mkdir 0755 0 0\n"
"file /bin/mknod 0755 0 0\n"
"\n"
"file /lib/libssl.so 0755 0 0\n"
"file /lib/libfoobar.so 0755 0 0\n"
"file /lib/libwhatever.so 0755 0 0\n"
"\n"
"file /usr/share/bla.txt 0644 0 0\n";
static const char *sort_file =
"# Blockwise reverse the order of the /bin files\n"
" 10 [glob] /bin/mk*\n"
" 20 [glob] /bin/ch*\n"
" 30 [glob] /bin/d*\n"
" 40 /bin/cp\n"
" 50 [glob] /bin/*\n"
"\n"
"# Make this file appear first\n"
" -10000 [dont_compress,dont_fragment,align] /usr/share/bla.txt";
static const char *initial_order[] = {
"bin/chmod",
"bin/chown",
"bin/cp",
"bin/dd",
"bin/dir",
"bin/ln",
"bin/ls",
"bin/mkdir",
"bin/mknod",
"lib/libfoobar.so",
"lib/libssl.so",
"lib/libwhatever.so",
"usr/share/bla.txt",
};
static const char *after_sort_order[] = {
"usr/share/bla.txt",
"lib/libfoobar.so",
"lib/libssl.so",
"lib/libwhatever.so",
"bin/mkdir",
"bin/mknod",
"bin/chmod",
"bin/chown",
"bin/dd",
"bin/dir",
"bin/cp",
"bin/ln",
"bin/ls",
};
static sqfs_s64 priorities[] = {
-10000,
0,
0,
0,
10,
10,
20,
20,
30,
30,
40,
50,
50,
};
static int flags[] = {
SQFS_BLK_DONT_COMPRESS | SQFS_BLK_ALIGN | SQFS_BLK_DONT_FRAGMENT,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
};
/*****************************************************************************/
static sqfs_u8 temp_buffer[2048];
static const char *input_file = NULL;
static void destroy_noop(sqfs_object_t *obj)
{
(void)obj;
}
static int memfile_load(istream_t *strm)
{
strcpy((char *)temp_buffer, input_file);
strm->eof = true;
strm->buffer_used = strlen(input_file);
return 0;
}
static const char *get_filename(istream_t *strm)
{
(void)strm;
return "memstream";
}
static istream_t memstream = {
.base = {
.destroy = destroy_noop,
},
.buffer_used = 0,
.buffer_offset = 0,
.eof = false,
.buffer = temp_buffer,
.precache = memfile_load,
.get_filename = get_filename,
};
/*****************************************************************************/
int main(int argc, char **argv)
{
file_info_t *fi;
fstree_t fs;
size_t i;
(void)argc; (void)argv;
input_file = listing;
memstream.buffer_used = 0;
memstream.buffer_offset = 0;
memstream.eof = false;
TEST_ASSERT(fstree_init(&fs, NULL) == 0);
TEST_ASSERT(fstree_from_file_stream(&fs, &memstream, NULL) == 0);
fstree_post_process(&fs);
for (i = 0, fi = fs.files; fi != NULL; fi = fi->next, ++i) {
tree_node_t *n = container_of(fi, tree_node_t, data.file);
char *path = fstree_get_path(n);
int ret;
TEST_NOT_NULL(path);
ret = canonicalize_name(path);
TEST_EQUAL_I(ret, 0);
TEST_STR_EQUAL(initial_order[i], path);
free(path);
TEST_EQUAL_I(fi->priority, 0);
TEST_EQUAL_I(fi->flags, 0);
}
TEST_EQUAL_UI(i, sizeof(initial_order) / sizeof(initial_order[0]));
input_file = sort_file;
memstream.buffer_used = 0;
memstream.buffer_offset = 0;
memstream.eof = false;
TEST_ASSERT(fstree_sort_files(&fs, &memstream) == 0);
for (i = 0, fi = fs.files; fi != NULL; fi = fi->next, ++i) {
tree_node_t *n = container_of(fi, tree_node_t, data.file);
char *path = fstree_get_path(n);
int ret;
TEST_NOT_NULL(path);
ret = canonicalize_name(path);
TEST_EQUAL_I(ret, 0);
TEST_STR_EQUAL(after_sort_order[i], path);
free(path);
TEST_EQUAL_I(fi->priority, priorities[i]);
TEST_EQUAL_I(fi->flags, flags[i]);
}
TEST_EQUAL_UI(i, sizeof(after_sort_order) /
sizeof(after_sort_order[0]));
fstree_cleanup(&fs);
return EXIT_SUCCESS;
}
|
