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/* 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"
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;
}
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