mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-22 09:58:09 +00:00
93dd984ca0
Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Adrian Reber <areber@redhat.com>
125 lines
2.4 KiB
C
125 lines
2.4 KiB
C
#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <utime.h>
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#include <sys/stat.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check that attributes and content of an open, "
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"written to, and then unlinked file migrate "
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"correctly";
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const char *test_author = "Roman Kagan <rkagan@parallels.com>";
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char *filename;
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TEST_OPTION(filename, string, "file name", 1);
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#define DEF_PERMS 06604 /* -rwS--Sr--, really esoteric one */
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unsigned int perms = DEF_PERMS;
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TEST_OPTION(perms, uint,
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"permissions to set on file "
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"(default " __stringify(DEF_PERMS) ")",
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0);
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#define DEF_MTIME 123456 /* another really esoteric one */
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unsigned int mtime = DEF_MTIME;
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TEST_OPTION(mtime, uint,
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"mtime to set on file "
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"(default " __stringify(DEF_MTIME) ")",
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0);
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int main(int argc, char **argv)
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{
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int fd;
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struct utimbuf ut;
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uint32_t crc;
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struct stat st;
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uint8_t buf[1000000];
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test_init(argc, argv);
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fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, 0644);
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if (fd < 0) {
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pr_perror("can't open %s", filename);
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exit(1);
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}
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crc = ~0;
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datagen(buf, sizeof(buf), &crc);
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if (write(fd, buf, sizeof(buf)) != sizeof(buf)) {
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pr_perror("can't write to %s", filename);
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exit(1);
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}
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ut = (struct utimbuf){
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.actime = 0,
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.modtime = mtime,
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};
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if (utime(filename, &ut)) {
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pr_perror("can't set modtime %d on %s", mtime, filename);
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exit(1);
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}
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if (fchmod(fd, perms)) {
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pr_perror("can't set perms %o on %s", perms, filename);
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exit(1);
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}
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if (unlink(filename)) {
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pr_perror("can't unlink %s", filename);
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exit(1);
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}
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test_daemon();
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test_waitsig();
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if (lseek(fd, 0, SEEK_SET) < 0) {
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fail("lseeking to the beginning of file failed");
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goto out;
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}
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if (read(fd, buf, sizeof(buf)) != sizeof(buf)) {
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fail("can't read %s", filename);
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goto out;
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}
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crc = ~0;
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if (datachk(buf, sizeof(buf), &crc)) {
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fail("CRC mismatch");
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goto out;
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}
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if (fstat(fd, &st) < 0) {
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fail("can't fstat %s", filename);
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goto out;
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}
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if ((st.st_mode & 07777) != perms) {
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fail("permissions have changed");
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goto out;
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}
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if (st.st_mtime != mtime) {
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fail("modification time has changed");
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goto out;
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}
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if (close(fd)) {
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fail("close failed");
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goto out_noclose;
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}
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if (unlink(filename) != -1 || errno != ENOENT) {
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fail("file %s should have been deleted before migration: unlink", filename);
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goto out_noclose;
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}
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pass();
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out:
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close(fd);
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out_noclose:
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return 0;
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}
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