As far as possible, use of the X11 display number is kept to
X11-specific routines. This is to make it easier to restructure
the code to add non-X11 display support.
the N policy in sesman.ini, allowing xrdp sessions to be tagged with an
instance name to enable persistent association with a specific
xrdp instance, to allow experiences where users reconnect to specific
sessions based on e.g. the xrdp listening port used.
on connection, client IP and name are passed from xrdp to sesman to
sesexec, and then back to sesman again.
xrdp-sesadmin can now access the connection data from sesman
The sesman tools have some private functions to make syncronous calls
to sesman over SCP. This commit moves these calls to a new module
scp_sync in libipm so that they can be utilised by other parts of
xrdp (i.e. chansrv)
The top level socket directory is now called XRDP_SOCKET_ROOT_PATH.
Below that are user-specific directories referred to with the
XRDP_SOCKET_PATH macro - this name is hard-coded into xorgxrdp and
the audio modules as an environment variable.
XRDP_SOCKET_PATH now looks like $XRDP_SOCKET_ROOT_PATH/<uid>
XRDP_SOCKET_PATH is only writeable by the user, and readable by the user
and the xrdp process.
The sesman tools sesrun and sesadmin now use the separate
authentication/authorization (AA) interface introduced to
sesman by the previous comment.
sesrun can use either password or UDS authentication. With some
limitations, this can allow for automatic creation of sessions for local
users without a password being needed.
sesadmin now operates using UDS logins only and so a username and
password are not required. To use sesadmin for another user, use
su/sudo/doas to authenticate as the other user.
The connected client is currently described in two places in
the xrdp_client_info structure:-
1) In the connection_description field. This was introduced as
field client_ip by commit d797b2cf49
for xrdp v0.6.0
2) In the client_addr and client_port fields introduced by commit
25369460a1 for xrdp v0.8.0
This commit unifies these two sets of fields into a single
set of fields describing the connection IP and port (for
AF_INET/AF_INET6 connections only) and a connection description
for all connection types.
The code in os_calls to provide client logging has been simplified
somewhat which should make it easier to add new connection types (e.g.
AF_VSOCK).
The old connection_description field used to be passed to sesman to
inform sesman of the IP address of the client, and also to provide
a string for 'C' field session policy matching. 'C' field session policy
matching does not actually need this string (see #2239), and so now only
the IP field is passed to sesman.
The TCP socket implementation of sesman has a number of limitations,
namely that it is affected by firewalls, and also that determining the
user on the other end requires a full authentication process.
The advantage of the TCP socket is that sesman and xrdp can be run on
separate machines. This is however not supported by the xorgxrdp
backend (shared memory), and is insecure, in that passwords are sent
in-the-clear, and the connection is susceptible to MitM attacks. This
architecture has been deprecated in release notes since xrdp v0.9.17,
and although it will continue to be supported in any further releases
in the x0.9.x series, it will not be supported in the next major
version.
This commit adds:
* replace multiple logging macros with LOG and LOG_DEVEL
* logging configuration for chanserv
* logging configuration for console output
* logging configuration for per file or method log level filtering for
debug builds
* file, line, and method name in log message for debug builds
If scp_v1c_mng_get_session_list() returns an error, report it to the
user and exit. Session list is not initialized in that case and should
not be freed.
g_free() already checks its argument for being to NULL, remove an extra
check.
In C, an empty argument list in a declaration means that the function
can accept any arguments. Use "void" instead, it means "no arguments".
C++ treats void and empty list as "no arguments".
matt335672