server/: Issue `WARN' messages for (most) initialization errors.

[tripe] / server / tripe-admin.5.in

diff --git a/server/tripe-admin.5.in b/server/tripe-admin.5.in
index 698e2a6..86fe314 100644 (file)
--- a/server/tripe-admin.5.in
+++ b/server/tripe-admin.5.in
@@ -1369,6 +1369,59 @@ client.
 .BI "ADMIN client-write-error " ecode " " message
 There was an error sending data to a client.  The connection to the
 client has been closed.
+.SP
+.BI "ADMIN admin-socket " path " already-in-use"
+The server failed to create the Unix-domain socket object in the
+filesystem, because there's already a socket there, and some other
+process is actively listening for incoming connections.
+.SP
+.BI "ADMIN admin-socket " path " bind-failed " ecode " " message
+The server failed to create the Unix-domain socket object in the
+filesystem for an unusual reason.  (The usual reason is
+.BR EADDRINUSE ,
+but this is handled specially.)
+.SP
+.BI "ADMIN admin-socket " path " chmod-failed " ecode " " message
+The server failed to set the correct permissions of the Unix-domain
+socket object.
+.SP
+.BI "ADMIN admin-socket " path " chown-failed " ecode " " message
+The server failed to set the correct ownership of the Unix-domain socket
+object.
+.SP
+.BI "ADMIN admin-socket " path " create-failed " ecode " " message
+The server failed to create its administration socket.  This is usually
+because some system resource is unavailable.
+.SP
+.BI "ADMIN admin-socket " path " listen-failed " ecode " " message
+The server failed to arrange to receive incoming connections on its
+Unix-domain socket.
+.SP
+.BI "ADMIN admin-socket " path " name-too-long"
+The server can't create its administration socket, because the chosen
+pathname
+.I path
+is too long.  There is, for historical reasons, a rather tight limit on
+the length of name permitted for Unix-domain sockets, usually around 108
+bytes.
+.SP
+.BI "ADMIN admin-socket " path " stat-failed " ecode " " message
+The server failed to create the Unix-domain socket object in the
+filesystem, because there's already something there, but the server
+couldn't discover what.
+.SP
+.BI "ADMIN admin-socket " path " too-many-retries"
+The server failed to create the Unix-domain socket object in the
+filesystem.  This error indicates that another process is also
+repeatedly trying to create a Unix-domain socket at the same
+.IR path ,
+and then failing to actually listen for connections on it, but the
+server always loses the applicable race for some reason.  This situation
+merits investigation.
+.SP
+.BI "ADMIN adns-init-failed " ecode " " message
+The server failed to initialize the ADNS asynchronous DNS-resolution
+library.
 .SS "CHAL warnings"
 These indicate errors in challenges, either in the
 .B CHECKCHAL
@@ -1652,6 +1705,24 @@ switched off by command-line options.
 An error occurred attempting to send a network packet.  We lost that
 one.
 .SP
+.BI "PEER \- udp-socket " address-family " bind-failed " ecode " " message
+The server failed to associate a UDP socket with a local address.
+.SP
+.BI "PEER \- udp-socket " address-family " create-failed " ecode " " message
+The server failed to create a UDP socket for the
+.IR address-family .
+.SP
+.BI "PEER \- udp-socket " address-family " read-local-address-failed " ecode " " message
+The server failed to discover the local address for one of its own UDP
+sockets.
+.SP
+.BI "PEER \- udp-socket " address-family " set-buffers-failed " ecode " " message
+The server failed to configure appropriate buffer sizes on a UDP socket.
+.SP
+.BI "PEER \- udp-socket INET6 set-v6only-failed " ecode " " message
+The server failed to configure an IPv6 socket not to try to collect IPv4
+traffic too.
+.SP
 .BI "PEER " peer " unexpected-encrypted-ping 0x" id
 The peer sent an encrypted ping response whose id doesn't match any
 outstanding ping.  Maybe it was delayed for longer than the server was
@@ -1711,6 +1782,10 @@ The server failed to send a message to the helper process.
 The helper process sent back a positive response, but didn't include the
 requested tunnel descriptor.
 .SP
+.BI "PRIVSEP socketpair-create-failed " ecode " " message
+The server couldn't create the socketpair it's supposed to use to
+communicate with the helper process.
+.SP
 .BI "PRIVSEP unknown-response-code"
 The helper process sent back an incomprehensible reply.  It's probably
 very confused and may crash.
@@ -1737,6 +1812,9 @@ A client of the administration interface issued a
 .B QUIT
 command.
 .SP
+.BI "SERVER daemon-error " ecode " " message
+The server failed to become a daemon during initialization.
+.SP
 .BI "SERVER quit foreground-eof"
 The server is running in foreground mode (the
 .B \-F
@@ -1792,6 +1870,11 @@ Writing from the tunnel device failed.
 The SLIP driver encountered a escaped byte it wasn't expecting to see.
 The erroneous packet will be ignored.
 .SP
+.BI "TUN \- slip bad-interface-list"
+The interface list, in the
+.B TRIPE_SLIPIF
+environment variable, is malformed.
+.SP
 .BI "TUN " ifname " slip eof"
 The SLIP driver encountered end-of-file on its input descriptor.
 Pending data is discarded, and no attempt is made to read any more data