add srv -a option

man/man4/9pserve.4

@@ -4,7 +4,16 @@
 .SH SYNOPSIS
 .B 9pserve
 [
-.B -v
+.B -lv
+]
+[
+.B -A
+.I aname
+.I afid
+]
+[
+.B -M
+.I msize
 ]
 .I addr
 .SH DESCRIPTION
@@ -39,6 +48,33 @@ and clunks any outstanding fids belonging to the client.
 is typically not invoked directly; use
 .IR post9pservice (3)
 instead.
+.PP
+The options are:
+.TP
+.B -l
+logging; write a debugging log to
+.IB addr .log \fR.
+.TP
+.B -v
+verbose; more verbose when repeated
+.TP
+.B -A
+rewrite all attach messages to use
+.I aname
+and
+.IR afid ;
+used to implement
+.IR srv (4)'s
+.B -a
+option
+.TP
+.B -M
+do not initialize the connection with a
+.B Tversion
+message;
+instead assume 9P2000 and a maximum message size of
+.IR msize
+.PD
 .SH "SEE ALSO
 .IR intro (4),
 .IR intro (9p)

man/man4/srv.4

@@ -3,6 +3,13 @@
 srv, 9fs \- start network file esrvice
 .SH SYNOPSIS
 .B srv
+[
+.B -a
+]
+[
+.B -k
+.I keypattern
+]
 .I address
 [
 .I srvname
@@ -22,6 +29,23 @@ as
 .IR address ).
 .PP
 The
+.B -a
+option causes
+.I srv
+to post a pre-authenticated connection to the file system
+.I aname
+(by default, the empty string;
+see
+.IR attach (9p)).
+.I Srv
+authenticates over the 9P connection to establish a valid auth fid.
+.IR Keypattern ,
+if specified, is used to select the key used for authentication.
+Client attach requests are rewritten to use the specified
+.I aname
+and auth fid.
+.PP
+The
 .I 9fs
 command executes the
 .I srv