On 07/31/2018 02:50 PM, Michael Shell wrote:
On Mon, 30 Jul 2018 20:05:54 +0100
spiky <[email protected]> wrote:
../src/journal/journald-server.c:1134:45: error: 'SCM_SECURITY'
undeclared (first use in this function); did you mean 'PF_SECURITY'?
cmsg->cmsg_type == SCM_SECURITY) {
^~~~~~~~~~~~
SCM_SECURITY is defined in the Linux kernel headers in
/include/linux/socket.h
https://elixir.bootlin.com/linux/latest/source/include/linux/socket.h#L152
/* "Socket"-level control message types: */
#define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */
#define SCM_CREDENTIALS 0x02 /* rw: struct ucred */
#define SCM_SECURITY 0x03 /* rw: security label */
However, given that we are supposed to use "sanitized" kernel headers,
it is glibc's job to export these values. I believe this is done in
/usr/include/bits/socket.h
What version of glibc are you using? Perhaps older versions don't define
SCM_SECURITY?
Can someone with a recent glibc system verify that SCM_SECURITY is indeed
defined in /usr/include/bits/socket.h ?
It is not. I do not find SCM_SECURITY anywhere in the /usr/include
directory tree,
FWIW, all the header include files that have references to SCM_SECURITY
can be found using:
cd /usr/include
find . -type f -name "*.h" -print|sort|xargs grep SCM_SECURITY
or 'grep -r SCM_SECURITY *'
You can either add the SCM_ defs to your /usr/include/bits/socket.h or add
them to your systemd's journald-server.c
In systemd's src/basic/missing.h is:
#ifndef SCM_SECURITY
#define SCM_SECURITY 0x03
#endif
Shouldn't that take care of it? missing.h is included in
src/journal/journald-server.c.
SCM_RIGHTS is defined in /usr/include/bits/socket.h as is SCM_CREDENTIALS
-- Bruce
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