[Buildroot] [Bug 15838] New: dhcp server creates symlinks to /tmp on host

[Buildroot] [Bug 15838] New: dhcp server creates symlinks to /tmp on host

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=15838

            Bug ID: 15838
           Summary: dhcp server creates symlinks to /tmp on host
           Product: buildroot
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned@buildroot.uclibc.org
          Reporter: jonas.d.karlsson@gmail.com
                CC: buildroot@uclibc.org
  Target Milestone: ---

In package/dhcp/dhcp.mk this section can be found:

ifeq ($(BR2_PACKAGE_DHCP_SERVER),y)    
define DHCP_INSTALL_CTL_LIBS    
        $(MAKE) -C $(@D)/dhcpctl install-exec DESTDIR=$(TARGET_DIR)    
endef    
define DHCP_INSTALL_SERVER    
        mkdir -p $(TARGET_DIR)/var/lib    
        (cd $(TARGET_DIR)/var/lib; ln -snf /tmp dhcp)    
        $(MAKE) -C $(@D)/server DESTDIR=$(TARGET_DIR) install-sbinPROGRAMS    
        $(INSTALL) -m 0644 -D package/dhcp/dhcpd.conf \    
                $(TARGET_DIR)/etc/dhcp/dhcpd.conf    
endef    
endif

The symlink that is created from /var/lib/dhcp to /tmp seem to cause a symlink
to the host /tmp which creates access privilege problems.

Shouldn't the symlink be to ../../tmp rather than /tmp like the misc symlink
under /var/lib? See below 

cd output/target/var/lib

ls -al

drwxr-xr-x 2 jonkar jonkar 4096 nov  1 17:09 arpd
lrwxrwxrwx 1 jonkar jonkar    4 nov  1 18:27 dhcp -> /tmp
lrwxrwxrwx 1 jonkar jonkar    9 nov  1 16:13 misc -> ../../tmp

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[Buildroot] [Bug 15838] dhcp server creates symlinks to /tmp on host

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=15838

Yann E. MORIN <yann.morin.1998@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |yann.morin.1998@free.fr
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #1 from Yann E. MORIN <yann.morin.1998@free.fr> ---
Thank you for your report.

The issue tracker for the Buildroot project has been moved to
the Gitlab.com issue tracker:
    https://gitlab.com/buildroot.org/buildroot/-/issues

We are taking this opportunity to close old issues in this old
tracker. If you believe your issue is still relevant, please
open one in the new issue tracker.

Thank you!

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