From d051610953754ce2b79d23b83c1d5c167defd5be Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 12 Apr 2012 02:39:02 +0200
Subject: unit: introduce ConditionPathIsReadWrite

---
 src/core/condition.c | 11 +++++++++++
 src/core/condition.h |  1 +
 2 files changed, 12 insertions(+)

(limited to 'src/core')

diff --git a/src/core/condition.c b/src/core/condition.c
index 5dad5248bb..3b246f1a64 100644
--- a/src/core/condition.c
+++ b/src/core/condition.c
@@ -24,6 +24,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/capability.h>
+#include <sys/statvfs.h>
 
 #ifdef HAVE_SELINUX
 #include <selinux/selinux.h>
@@ -222,6 +223,15 @@ bool condition_test(Condition *c) {
         case CONDITION_PATH_IS_MOUNT_POINT:
                 return (path_is_mount_point(c->parameter, true) > 0) == !c->negate;
 
+        case CONDITION_PATH_IS_READ_WRITE: {
+                struct statvfs st;
+
+                if (statvfs(c->parameter, &st) < 0)
+                        return c->negate;
+
+                return !(st.f_flag & ST_RDONLY) == !c->negate;
+        }
+
         case CONDITION_DIRECTORY_NOT_EMPTY: {
                 int k;
 
@@ -313,6 +323,7 @@ static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
         [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
         [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink",
         [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint",
+        [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite",
         [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
         [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
         [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
diff --git a/src/core/condition.h b/src/core/condition.h
index 2a44ba681f..2d1f2cd17e 100644
--- a/src/core/condition.h
+++ b/src/core/condition.h
@@ -32,6 +32,7 @@ typedef enum ConditionType {
         CONDITION_PATH_IS_DIRECTORY,
         CONDITION_PATH_IS_SYMBOLIC_LINK,
         CONDITION_PATH_IS_MOUNT_POINT,
+        CONDITION_PATH_IS_READ_WRITE,
         CONDITION_DIRECTORY_NOT_EMPTY,
         CONDITION_FILE_IS_EXECUTABLE,
         CONDITION_KERNEL_COMMAND_LINE,
-- 
cgit v1.2.3-54-g00ecf