From e2a8733e623a2fc39abd439774a6489df6db10d0 Mon Sep 17 00:00:00 2001
From: serassio <>
Date: Sun, 6 Feb 2005 05:02:32 +0000
Subject: [PATCH] Bug #1209: Squid 3.0 segfaults when requesting mgr:config

Patch from Gonzalo Arana
---
 src/fs/coss/CossSwapDir.h     |  2 +-
 src/fs/coss/store_dir_coss.cc | 16 ++++++++++++++--
 src/fs/ufs/store_dir_ufs.cc   | 12 ++++++++++--
 src/fs/ufs/ufscommon.h        |  4 ++--
 4 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/src/fs/coss/CossSwapDir.h b/src/fs/coss/CossSwapDir.h
index 8f25cc5afc..6822e9dd9c 100644
--- a/src/fs/coss/CossSwapDir.h
+++ b/src/fs/coss/CossSwapDir.h
@@ -88,7 +88,7 @@ private:
     char const *stripePath() const;
     ConfigOption * getOptionTree() const;
     const char *ioModule;
-    ConfigOptionVector *currentIOOptions;
+    mutable ConfigOptionVector *currentIOOptions;
     const char *stripe_path;
 };
 
diff --git a/src/fs/coss/store_dir_coss.cc b/src/fs/coss/store_dir_coss.cc
index 5f399a6d6d..816e302ac1 100644
--- a/src/fs/coss/store_dir_coss.cc
+++ b/src/fs/coss/store_dir_coss.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_coss.cc,v 1.59 2005/01/06 14:09:26 serassio Exp $
+ * $Id: store_dir_coss.cc,v 1.60 2005/02/05 22:02:32 serassio Exp $
  * vim: set et : 
  *
  * DEBUG: section 47    Store COSS Directory Routines
@@ -259,6 +259,9 @@ CossSwapDir::changeIO(DiskIOModule *module)
     io = anIO;
     /* Change the IO Options */
 
+    if (currentIOOptions == NULL)
+        currentIOOptions = new ConfigOptionVector();
+
     if (currentIOOptions->options.size() > 3)
         delete currentIOOptions->options.pop_back();
 
@@ -306,8 +309,13 @@ CossSwapDir::getOptionTree() const
 {
     ConfigOption *parentResult = SwapDir::getOptionTree();
 
+    if (currentIOOptions == NULL)
+        currentIOOptions = new ConfigOptionVector();
+
     currentIOOptions->options.push_back(parentResult);
+
     currentIOOptions->options.push_back(new ConfigOptionAdapter<CossSwapDir>(*const_cast<CossSwapDir *>(this), &CossSwapDir::optionIOParse, &CossSwapDir::optionIODump));
+
     currentIOOptions->options.push_back(
         new ConfigOptionAdapter<CossSwapDir>(*const_cast<CossSwapDir *>(this),
                                              &CossSwapDir::optionBlockSizeParse,
@@ -322,7 +330,11 @@ CossSwapDir::getOptionTree() const
     if (ioOptions)
         currentIOOptions->options.push_back(ioOptions);
 
-    return currentIOOptions;
+    ConfigOption* result = currentIOOptions;
+
+    currentIOOptions = NULL;
+
+    return result;
 }
 
 void
diff --git a/src/fs/ufs/store_dir_ufs.cc b/src/fs/ufs/store_dir_ufs.cc
index 30eb81b7c9..a59c1a07d1 100644
--- a/src/fs/ufs/store_dir_ufs.cc
+++ b/src/fs/ufs/store_dir_ufs.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_ufs.cc,v 1.68 2005/01/03 16:08:27 robertc Exp $
+ * $Id: store_dir_ufs.cc,v 1.69 2005/02/05 22:02:32 serassio Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -188,7 +188,11 @@ UFSSwapDir::getOptionTree() const
 {
     ConfigOption *parentResult = SwapDir::getOptionTree();
 
+    if (currentIOOptions == NULL)
+        currentIOOptions = new ConfigOptionVector();
+
     currentIOOptions->options.push_back(parentResult);
+
     currentIOOptions->options.push_back(new ConfigOptionAdapter<UFSSwapDir>(*const_cast<UFSSwapDir *>(this), &UFSSwapDir::optionIOParse, &UFSSwapDir::optionIODump));
 
     ConfigOption *ioOptions  = IO->io->getOptionTree();
@@ -196,7 +200,11 @@ UFSSwapDir::getOptionTree() const
     if (ioOptions)
         currentIOOptions->options.push_back(ioOptions);
 
-    return currentIOOptions;
+    ConfigOption* result = currentIOOptions;
+
+    currentIOOptions = NULL;
+
+    return result;
 }
 
 /*
diff --git a/src/fs/ufs/ufscommon.h b/src/fs/ufs/ufscommon.h
index 06830516bd..a400fee258 100644
--- a/src/fs/ufs/ufscommon.h
+++ b/src/fs/ufs/ufscommon.h
@@ -1,6 +1,6 @@
 
 /*
- * $Id: ufscommon.h,v 1.2 2005/01/03 16:08:27 robertc Exp $
+ * $Id: ufscommon.h,v 1.3 2005/02/05 22:02:32 serassio Exp $
  *
  * SQUID Web Proxy Cache          http://www.squid-cache.org/
  * ----------------------------------------------------------
@@ -139,7 +139,7 @@ private:
     void changeIO(DiskIOModule *);
     bool optionIOParse(char const *option, const char *value, int reconfiguring);
     void optionIODump(StoreEntry * e) const;
-    ConfigOptionVector *currentIOOptions;
+    mutable ConfigOptionVector *currentIOOptions;
     char const *ioType;
 
 };
-- 
2.47.3