s->serv will resolve to the first share in the session, having multiple ones gives wrong context in some
operations. use tid lookup to get the right one.

Reference: /n/sources/patch/applied/aquarela-multi-shares
Date: Sun Aug 22 23:38:06 CES 2010
Signed-off-by: cinap_lenrek@gmx.de

--- /sys/src/cmd/aquarela/smbcomcreatedir.c	Sun Aug 22 23:35:54 2010
+++ /sys/src/cmd/aquarela/smbcomcreatedir.c	Sun Aug 22 23:35:51 2010
@@ -6,6 +6,7 @@
 	int fd;
 	char *path;
 	char *fullpath = nil;
+	SmbTree *t;
 	uchar fmt;
 
 	if (h->wordcount != 0)
@@ -13,7 +14,12 @@
 	if (!smbbuffergetb(b, &fmt) || fmt != 0x04 || !smbbuffergetstring(b, h, SMB_STRING_PATH, &path))
 		return SmbProcessResultFormat;
 	smblogprint(h->command, "smbcomcreatedirectory: %s\n", path);
-        smbstringprint(&fullpath, "%s%s", s->serv->path, path);
+	t = smbidmapfind(s->tidmap, h->tid);
+	if (t == nil) {
+		smbseterror(s, ERRSRV, ERRinvtid);
+		return SmbProcessResultError;
+	}
+	smbstringprint(&fullpath, "%s%s", t->serv->path, path);
 	fd = create(fullpath, OREAD, DMDIR | 0775);
 	if (fd < 0) {
 		smblogprint(h->command, "smbcomcreatedirectory failed: %r\n");
--- /sys/src/cmd/aquarela/smbcomdeletedir.c	Sun Aug 22 23:35:58 2010
+++ /sys/src/cmd/aquarela/smbcomdeletedir.c	Sun Aug 22 23:35:56 2010
@@ -6,6 +6,7 @@
 	int rv;
 	char *path;
 	char *fullpath = nil;
+	SmbTree *t;
 	uchar fmt;
 
 	if (h->wordcount != 0)
@@ -13,7 +14,12 @@
 	if (!smbbuffergetb(b, &fmt) || fmt != 0x04 || !smbbuffergetstring(b, h, SMB_STRING_PATH, &path))
 		return SmbProcessResultFormat;
 	smblogprint(h->command, "smbcomdeletedirectory: %s\n", path);
-        smbstringprint(&fullpath, "%s%s", s->serv->path, path);
+	t = smbidmapfind(s->tidmap, h->tid);
+	if (t == nil) {
+		smbseterror(s, ERRSRV, ERRinvtid);
+		return SmbProcessResultError;
+	}
+	smbstringprint(&fullpath, "%s%s", t->serv->path, path);
 	rv = remove(fullpath);
 	if (rv < 0) {
 		smblogprint(h->command, "smbcomdeletedirectory failed: %r\n");
--- /sys/src/cmd/aquarela/smbcomrename.c	Sun Aug 22 23:36:02 2010
+++ /sys/src/cmd/aquarela/smbcomrename.c	Sun Aug 22 23:36:00 2010
@@ -10,6 +10,7 @@
 	char *olddir, *newdir;
 	char *oldname, *newname;
 	uchar oldfmt, newfmt;
+	SmbTree *t;
 	Dir d;
 	SmbProcessResult pr;
 
@@ -19,8 +20,13 @@
 		|| !smbbuffergetb(b, &newfmt) || newfmt != 0x04 || !smbbuffergetstring(b, h, SMB_STRING_PATH, &new))
 		return SmbProcessResultFormat;
 
-	smbstringprint(&oldpath, "%s%s", s->serv->path, old);
-	smbstringprint(&newpath, "%s%s", s->serv->path, new);
+	t = smbidmapfind(s->tidmap, h->tid);
+	if (t == nil) {
+		smbseterror(s, ERRSRV, ERRinvtid);
+		return SmbProcessResultError;
+	}
+	smbstringprint(&oldpath, "%s%s", t->serv->path, old);
+	smbstringprint(&newpath, "%s%s", t->serv->path, new);
 
 	smblogprint(h->command, "smbcomrename: %s to %s\n", oldpath, newpath);
 	smbpathsplit(oldpath, &olddir, &oldname);