From 07b5e30bb4167a593b9245a689568a027aff25a1 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 27 Oct 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-10-27

---
 port/auth.c    |  3 ++-
 port/portfns.h |  1 +
 port/proc.c    | 15 +++++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/port/auth.c b/port/auth.c
index 87db458b78beb614af4bd17fd64f022beb9d77f3..93896256cb3379907e7c57e70a980f446001d42d 100644
--- a/port/auth.c
+++ b/port/auth.c
@@ -34,7 +34,7 @@ struct
 	Crypt		*free;
 } cryptalloc;
 
-char	eve[NAMELEN] = "bootes";
+char	eve[NAMELEN];
 char	evekey[DESKEYLEN];
 char	hostdomain[DOMLEN];
 
@@ -595,6 +595,7 @@ hostownerwrite(char *a, int n)
 	strncpy(buf, a, n);
 	if(buf[0] == 0)
 		error(Ebadarg);
+	renameuser(eve, buf);
 	memmove(eve, buf, NAMELEN);
 	memmove(up->user, buf, NAMELEN);
 	up->basepri = PriNormal;
diff --git a/port/portfns.h b/port/portfns.h
index dfbea994803a6226878501caa2d958a262437b9c..1d34a73a5f0dfd2dd8f190620be91d8eb5f97192 100644
--- a/port/portfns.h
+++ b/port/portfns.h
@@ -211,6 +211,7 @@ int		readnum(ulong, char*, ulong, ulong, int);
 int		readstr(ulong, char*, ulong, char*);
 void		ready(Proc*);
 void		relocateseg(Segment*, ulong);
+void		renameuser(char*, char*);
 void		resched(char*);
 void		resetscsi(void);
 void		resrcwait(char*);
diff --git a/port/proc.c b/port/proc.c
index 5b528c4b483faa87d75882dca22626a1c9d5b0cb..f5967e0ab8275073df1a4bd49b7bb15e25f7d75c 100644
--- a/port/proc.c
+++ b/port/proc.c
@@ -938,3 +938,18 @@ killbig(void)
 	kp->procctl = Proc_exitme;
 	postnote(kp, 1, "killed: proc too big", NExit);
 }
+
+/*
+ *  change ownership to 'new' of all processes owned by 'old'.  Used when
+ *  eve changes.
+ */
+void
+renameuser(char *old, char *new)
+{
+	Proc *p, *ep;
+
+	ep = procalloc.arena+conf.nproc;
+	for(p = procalloc.arena; p < ep; p++)
+		if(strcmp(old, p->user) == 0)
+			memmove(p->user, new, NAMELEN);
+}