util-vserver-0.30.208

[util-vserver.git] / lib / createskeleton-full.hc

diff --git a/lib/createskeleton-full.hc b/lib/createskeleton-full.hc
new file mode 100644 (file)
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--- /dev/null
+++ b/lib/createskeleton-full.hc
@@ -0,0 +1,115 @@
+// $Id: createskeleton-full.hc,v 1.4 2005/02/01 00:55:51 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 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.
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#define CONCAT_TWO_ARGS(BUF, LHS,RHS)                  \
+  size_t               BUF ## l1 = strlen(LHS);        \
+  size_t               BUF ## l2 = strlen(RHS);        \
+  char                 BUF[BUF##l1 + BUF##l2 + 2];     \
+                                                       \
+  memcpy(BUF,      LHS, BUF##l1 + 1);                  \
+  if (BUF##l2 > 0) {                                   \
+    BUF[ BUF##l1 ] = '/';                              \
+    memcpy(BUF+ BUF##l1 + 1, RHS, BUF##l2 + 1);                \
+  }
+
+static inline int
+mkdir2(char const *lhs, char const *rhs, int mode)
+{
+  CONCAT_TWO_ARGS(buf, lhs, rhs);
+  return mkdir(buf, mode);
+}
+
+static inline int
+setIAttr2(char const *lhs, char const *rhs, int flags)
+{
+  CONCAT_TWO_ARGS(buf, lhs, rhs);
+
+  return vc_set_iattr(buf, 0, flags, VC_IMMUTABLE_ALL);
+}
+
+static inline int
+symlink2(char const *old_lhs, char const *old_rhs,
+        char const *new_lhs, char const *new_rhs)
+{
+  CONCAT_TWO_ARGS(old_buf, old_lhs, old_rhs);
+
+  {
+    CONCAT_TWO_ARGS(new_buf, new_lhs, new_rhs);
+    return symlink(old_buf, new_buf);
+  }
+}
+
+#undef CONCAT_TWO_ARGS
+
+static inline int
+vc_createSkeleton_full(char const *id, char const *name, int flags)
+{
+  if (mkdir(id, 0755)==-1) return -1;
+
+  if (mkdir2(id, "apps", 0755)==-1 ||
+      ((flags&vcSKEL_INTERFACES) && mkdir2(id, "interfaces", 755)==-1) ||
+      ((flags&vcSKEL_PKGMGMT) && (
+       mkdir2(id, "apps/pkgmgmt", 0755)==-1)))
+    return -1;
+
+  for (;;) {
+    char const *basedir = CONFDIR "/.defaults/run";
+
+    if (!utilvserver_isDirectory(basedir, true)) basedir = DEFAULT_PKGSTATEDIR;
+    if (!utilvserver_isDirectory(basedir, true)) break;
+
+    if (symlink2(basedir, name, id, "run")==-1)
+      return -1;
+
+    break;
+  }
+  
+  while (flags&vcSKEL_PKGMGMT) {
+    char const *basedir = CONFDIR "/.defaults/apps/pkgmgmt/base";
+
+    if (!utilvserver_isDirectory(basedir, true)) basedir = DEFAULT_VSERVERPKGDIR;
+    if (!utilvserver_isDirectory(basedir, true)) break;
+
+    if (mkdir2(basedir, name, 0755)==-1 ||
+       symlink2(basedir, name, id, "apps/pkgmgmt/base")==-1)
+      return -1;
+
+    break;
+  }
+
+  while (flags&vcSKEL_FILESYSTEM) {
+    char const *basedir = CONFDIR "/.defaults/vdirbase";
+
+    if (!utilvserver_isDirectory(basedir, true)) basedir = DEFAULT_VSERVERDIR;
+    if (!utilvserver_isDirectory(basedir, true)) break;
+
+    if (mkdir2(basedir, name, 0755)==-1 ||
+       setIAttr2(basedir, name, 0)==-1 ||
+       symlink2(basedir, name, id, "vdir")==-1)
+      return -1;
+
+    break;
+  }
+
+  return 0;
+}