Revision: 427
http://vde.svn.sourceforge.net/vde/?rev=427&view=rev
Author: shammash
Date: 2010-07-03 18:18:23 +0000 (Sat, 03 Jul 2010)
Log Message:
-----------
vde_switch: early ctl socket dir creation
Move ctl socket dir creation at parsing time to let vde_realpath() do its
resolution.
This fixes problems like vde_switch creating /tmp/switch/ctl instead of
/tmp/switch/data/ctl in the following scenario:
$ rm -rf /tmp/switch
$ vde_switch -s /tmp/switch/data
Signed-off-by: Luca Bigliardi <shamm...@artha.org>
Modified Paths:
--------------
trunk/vde-2/src/vde_switch/datasock.c
Modified: trunk/vde-2/src/vde_switch/datasock.c
===================================================================
--- trunk/vde-2/src/vde_switch/datasock.c 2010-07-03 16:28:00 UTC (rev
426)
+++ trunk/vde-2/src/vde_switch/datasock.c 2010-07-03 18:18:23 UTC (rev
427)
@@ -363,9 +363,17 @@
struct group *grp;
switch (c) {
case 's':
- /* This should return NULL as the path probably does
not exist */
- vde_realpath(optarg, real_ctl_socket);
- ctl_socket = real_ctl_socket;
+ if (((mkdir(optarg, 0777) < 0) && (errno != EEXIST))) {
+ fprintf(stderr,"Cannot create ctl directory
'%s': %s\n",
+ optarg, strerror(errno));
+ exit(1);
+ }
+ ctl_socket = vde_realpath(optarg, real_ctl_socket);
+ if (!ctl_socket) {
+ fprintf(stderr,"Cannot resolve ctl dir path
'%s': %s\n",
+ optarg, strerror(errno));
+ exit(1);
+ }
break;
case 'm':
sscanf(optarg,"%o",&mode);
@@ -431,10 +439,8 @@
printlog(LOG_ERR,"Could not set O_NONBLOCK on connection fd %d:
%s", connect_fd, strerror(errno));
return;
}
- if (((mkdir(ctl_socket, 0777) < 0) && (errno != EEXIST))){
- printlog(LOG_ERR,"Could not create the VDE ctl directory '%s':
%s", ctl_socket, strerror(errno));
- exit(-1);
- }
+ /* ctl_socket dir is created while parsing to provide an existing path
+ * to vde_realpath() */
if(chown(ctl_socket,-1,grp_owner) < 0) {
rmdir(ctl_socket);
printlog(LOG_ERR, "Could not chown socket '%s': %s",
sun.sun_path, strerror(errno));
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