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authorEelco Dolstra <eelco.dolstra@logicblox.com>2012-08-20T19·27-0400
committerEelco Dolstra <eelco.dolstra@logicblox.com>2012-08-20T19·27-0400
commit56e30e161cd309addb5aa95ba02a8d3371846228 (patch)
tree55096253401937146eb89c8ef22433f68d63c3e4 /src/libutil
parentf0eab0636b73a4f16b7639d30956d9072d5573cb (diff)
In the chroot, make all mounted filesystems private
This is required on systemd, which mounts filesystems as "shared"
subtrees.  Changes to shared trees in a private mount namespace are
propagated to the outside world, which is bad.
Diffstat (limited to 'src/libutil')
-rw-r--r--src/libutil/util.cc4
-rw-r--r--src/libutil/util.hh2
2 files changed, 3 insertions, 3 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index 9d8e4afed37d..fe4fedfa597d 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -224,12 +224,12 @@ string readFile(int fd)
 }
 
 
-string readFile(const Path & path)
+string readFile(const Path & path, bool drain)
 {
     AutoCloseFD fd = open(path.c_str(), O_RDONLY);
     if (fd == -1)
         throw SysError(format("opening file `%1%'") % path);
-    return readFile(fd);
+    return drain ? drainFD(fd) : readFile(fd);
 }
 
 
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index dc38a53ca2fe..22992bbafee7 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -63,7 +63,7 @@ Strings readDirectory(const Path & path);
 
 /* Read the contents of a file into a string. */
 string readFile(int fd);
-string readFile(const Path & path);
+string readFile(const Path & path, bool drain = false);
 
 /* Write a string to a file. */
 void writeFile(const Path & path, const string & s);