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
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* mkfs.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "mkfs.h"
static int pack_file(sqfs_block_processor_t *data,
const char *path, tree_node_t *n, const options_t *opt)
{
sqfs_ostream_t *out = NULL;
sqfs_istream_t *in = NULL;
sqfs_file_handle_t hnd;
sqfs_u64 filesize;
int ret, flags;
ret = sqfs_native_file_open(&hnd, path, SQFS_FILE_OPEN_READ_ONLY);
if (ret)
goto done;
ret = sqfs_native_file_get_size(hnd, &filesize);
if (ret)
goto done;
ret = sqfs_istream_open_handle(&in, path, hnd, 0);
if (ret)
goto done;
flags = n->data.file.flags;
if (opt->no_tail_packing && filesize > opt->cfg.block_size)
flags |= SQFS_BLK_DONT_FRAGMENT;
ret = sqfs_block_processor_create_ostream(&out, path, data,
&(n->data.file.inode), flags);
if (ret)
goto done;
do {
ret = sqfs_istream_splice(in, out, opt->cfg.block_size);
} while (ret > 0);
if (ret == 0)
ret = out->flush(out);
done:
if (ret)
sqfs_perror(path, NULL, ret);
if (in == NULL)
sqfs_native_file_close(hnd);
sqfs_drop(out);
sqfs_drop(in);
return ret;
}
static int pack_files(sqfs_block_processor_t *data, fstree_t *fs,
options_t *opt)
{
tree_node_t *node;
int ret;
if (opt->packdir != NULL && chdir(opt->packdir) != 0) {
perror(opt->packdir);
return -1;
}
for (node = fs->files; node != NULL; node = node->next_by_type) {
const char *path = node->data.file.input_file;
char *node_path = NULL;
if (path == NULL) {
node_path = fstree_get_path(node);
if (node_path == NULL) {
perror("reconstructing file path");
return -1;
}
ret = canonicalize_name(node_path);
assert(ret == 0);
path = node_path;
}
if (!opt->cfg.quiet)
printf("packing %s\n", path);
ret = pack_file(data, path, node, opt);
free(node_path);
if (ret)
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
int status = EXIT_FAILURE;
sqfs_istream_t *sortfile = NULL;
void *sehnd = NULL;
void *xattrmap = NULL;
sqfs_writer_t sqfs;
options_t opt;
process_command_line(&opt, argc, argv);
if (sqfs_writer_init(&sqfs, &opt.cfg))
return EXIT_FAILURE;
if (opt.selinux != NULL) {
sehnd = selinux_open_context_file(opt.selinux);
if (sehnd == NULL)
goto out;
}
if (opt.xattr_file != NULL) {
xattrmap = xattr_open_map_file(opt.xattr_file);
if (xattrmap == NULL)
goto out;
}
if (opt.sortfile != NULL) {
int ret = sqfs_istream_open_file(&sortfile, opt.sortfile, 0);
if (ret) {
sqfs_perror(opt.sortfile, NULL, ret);
goto out;
}
}
if (opt.infile == NULL) {
sqfs_dir_iterator_t *dir = NULL;
dir_tree_cfg_t cfg;
int ret;
memset(&cfg, 0, sizeof(cfg));
cfg.def_mtime = sqfs.fs.defaults.mtime;
cfg.def_uid = opt.force_uid_value;
cfg.def_gid = opt.force_gid_value;
cfg.flags = opt.dirscan_flags;
dir = dir_tree_iterator_create(opt.packdir, &cfg);
if (dir == NULL)
goto out;
ret = scan_directory(&sqfs.fs, dir, 0, NULL);
sqfs_drop(dir);
if (ret != 0)
goto out;
} else {
if (fstree_from_file(&sqfs.fs, opt.infile, &opt))
goto out;
}
if (fstree_post_process(&sqfs.fs))
goto out;
if (apply_xattrs(&sqfs.fs, opt.packdir, sehnd, xattrmap,
sqfs.xwr, opt.infile == NULL && opt.scan_xattr)) {
goto out;
}
if (sortfile != NULL) {
if (fstree_sort_files(&sqfs.fs, sortfile))
goto out;
}
if (pack_files(sqfs.data, &sqfs.fs, &opt))
goto out;
if (sqfs_writer_finish(&sqfs, &opt.cfg))
goto out;
status = EXIT_SUCCESS;
out:
sqfs_writer_cleanup(&sqfs, status);
if (sehnd != NULL)
selinux_close_context_file(sehnd);
if (sortfile != NULL)
sqfs_drop(sortfile);
free(opt.packdir);
return status;
}
|
