shaba/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2024-12-23 21:35:11 +03:00
Code

do not try to create existing file

Browse Source
This commit is contained in:
Kay Sievers 2007-06-21 09:00:35 +02:00
parent e54f0b4ad2
commit 678484af64
1 changed files with 13 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
udev_node.c
View File

@ -46,21 +46,20 @@ int udev_node_mknod(struct udevice *udev, const char *file, dev_t devt, mode_t m
else
mode |= S_IFCHR;
/* preserve node with already correct numbers, to prevent changing the inode number */
if (lstat(file, &stats) == 0) {
if ((stats.st_mode & S_IFMT) == (mode & S_IFMT) && (stats.st_rdev == devt)) {
info("preserve file '%s', because it has correct dev_t", file);
selinux_setfilecon(file, udev->dev->kernel, stats.st_mode);
goto perms;
}
} else {
selinux_setfscreatecon(file, udev->dev->kernel, mode);
retval = mknod(file, mode, devt);
selinux_resetfscreatecon();
if (retval == 0)
goto perms;
}
selinux_setfscreatecon(file, udev->dev->kernel, mode);
retval = mknod(file, mode, devt);
selinux_resetfscreatecon();
if (retval == 0)
goto perms;
info("atomically replace '%s'", file);
strlcpy(file_tmp, file, sizeof(file_tmp));
strlcat(file_tmp, TMP_FILE_EXT, sizeof(file_tmp));
@ -151,15 +150,15 @@ static int node_symlink(const char *node, const char *slink)
}
}
}
} else {
info("creating symlink '%s' to '%s'", slink, target);
selinux_setfscreatecon(slink, NULL, S_IFLNK);
retval = symlink(target, slink);
selinux_resetfscreatecon();
if (retval == 0)
goto exit;
}
info("creating symlink '%s' to '%s'", slink, target);
selinux_setfscreatecon(slink, NULL, S_IFLNK);
retval = symlink(target, slink);
selinux_resetfscreatecon();
if (retval == 0)
goto exit;
info("atomically replace '%s'", slink);
strlcpy(slink_tmp, slink, sizeof(slink_tmp));
strlcat(slink_tmp, TMP_FILE_EXT, sizeof(slink_tmp));