util-vserver-0.30.208

[util-vserver.git] / lib / getvservercfgstyle.c

diff --git a/lib/getvservercfgstyle.c b/lib/getvservercfgstyle.c
new file mode 100644 (file)
index 0000000..f9cba62
--- /dev/null
+++ b/lib/getvservercfgstyle.c
@@ -0,0 +1,97 @@
+// $Id: getvservercfgstyle.c,v 1.6 2005/01/26 23:29:06 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//  
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//  
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//  
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "vserver.h"
+#include "pathconfig.h"
+#include "internal.h"
+
+#include <string.h>
+#include <sys/param.h>
+#include <unistd.h>
+#include <assert.h>
+
+static inline bool
+isRelPath(char const *p)
+{
+  return p[0]=='.' && (p[1]=='/' || (p[1]=='.' && p[2]=='/'));
+}
+
+static inline bool
+isAbsPath(char const *p)
+{
+  return p[0]=='/';
+}
+
+#define ISDIR  utilvserver_isDirectory(buf, true)
+#define ISFILE utilvserver_isFile(buf, true)
+#define ISLINK utilvserver_isLink(buf)
+
+vcCfgStyle
+vc_getVserverCfgStyle(char const *id)
+{
+  vcCfgStyle   res = vcCFG_NONE;
+  size_t       l1  = strlen(id);
+  char         buf[l1 +
+                   MAX(sizeof(CONFDIR "/"),sizeof(DEFAULT_VSERVERDIR "/")) +
+                   MAX(sizeof("/legacy"),  sizeof(".conf")) - 1];
+  char *       marker = 0;
+  bool         is_path;
+
+  strcpy(buf,    id);
+  marker = buf+l1;
+  strcpy(marker, "/vdir");
+
+  is_path = isAbsPath(buf) || isRelPath(buf);
+  if (is_path && (ISDIR || ISLINK))
+    res = vcCFG_RECENT_FULL;
+  else if (!is_path) {
+    strcpy(buf,                         CONFDIR "/");
+    strcpy(buf+sizeof(CONFDIR "/") - 1, id);
+    marker = buf+sizeof(CONFDIR "/")+l1 - 1;
+    strcpy(marker, "/vdir");
+
+    if (ISDIR) res = vcCFG_RECENT_SHORT;
+    else {
+      strcpy(buf,                                  DEFAULT_VSERVERDIR "/");
+      strcpy(buf+sizeof(DEFAULT_VSERVERDIR)+1 - 1, id);
+
+      if (ISDIR) res = vcCFG_LEGACY;
+    }
+
+    if (res==vcCFG_LEGACY) {
+      strcpy(buf,                            CONFDIR "/");
+      strcpy(buf+sizeof(CONFDIR "/") - 1,    id);
+      strcpy(buf+sizeof(CONFDIR "/")+l1 - 1, ".conf");
+
+      if (!ISFILE) res = vcCFG_NONE;
+    }
+  }
+
+
+  if (res==vcCFG_RECENT_FULL || res==vcCFG_RECENT_SHORT) {
+    assert(marker!=0);
+    strcpy(marker, "/legacy");
+    if (access(buf, F_OK)==0) res=vcCFG_LEGACY;
+  }
+
+  return res;
+}