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authorDenys Vlasenko <vda.linux@googlemail.com>2018-03-28 18:35:07 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2018-03-28 18:35:07 +0200
commit9acd63c92cbc4bd0a3ddbb6a61e512eadc29239d (patch)
tree9bf53c82f5fccd4a5ed13915b8039080c563ce07 /shell/hush_test
parente4defe826be49b8ef19912ba4cb291bfe9166e0f (diff)
downloadbusybox-9acd63c92cbc4bd0a3ddbb6a61e512eadc29239d.tar.gz
ash,hush: fix "saved" redirected fds still visible in children
Based on a patch by Mark Marshall <mark.marshall@omicronenergy.com> function old new delta dup_CLOEXEC - 49 +49 fcntl_F_DUPFD 46 - -46 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test')
-rw-r--r--shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.right5
-rwxr-xr-xshell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.tests6
-rw-r--r--shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.right5
-rwxr-xr-xshell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.tests6
-rw-r--r--shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.right5
-rwxr-xr-xshell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.tests6
6 files changed, 33 insertions, 0 deletions
diff --git a/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.right b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.right
new file mode 100644
index 000000000..46ab7f5d1
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.right
@@ -0,0 +1,5 @@
+/proc/self/fd
+/proc/self/fd/0
+/proc/self/fd/1
+/proc/self/fd/2
+/proc/self/fd/3
diff --git a/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.tests b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.tests
new file mode 100755
index 000000000..544c810e3
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_1.tests
@@ -0,0 +1,6 @@
+# The "find" should not see "saved" (duplicated) fd #1
+# Explicitly use bbox find, since other implementations of "find"
+# may open other descriptors as well.
+busybox find /proc/self/fd >tmp_$$.out
+cat tmp_$$.out
+rm -f tmp_$$.out
diff --git a/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.right b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.right
new file mode 100644
index 000000000..46ab7f5d1
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.right
@@ -0,0 +1,5 @@
+/proc/self/fd
+/proc/self/fd/0
+/proc/self/fd/1
+/proc/self/fd/2
+/proc/self/fd/3
diff --git a/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.tests b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.tests
new file mode 100755
index 000000000..43777cade
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_2.tests
@@ -0,0 +1,6 @@
+# The "find" should not see "saved" (duplicated) fd #1
+# Explicitly use bbox find, since other implementations of "find"
+# may open other descriptors as well.
+{ busybox find /proc/self/fd; } >tmp_$$.out
+cat tmp_$$.out
+rm -f tmp_$$.out
diff --git a/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.right b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.right
new file mode 100644
index 000000000..46ab7f5d1
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.right
@@ -0,0 +1,5 @@
+/proc/self/fd
+/proc/self/fd/0
+/proc/self/fd/1
+/proc/self/fd/2
+/proc/self/fd/3
diff --git a/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.tests b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.tests
new file mode 100755
index 000000000..0a21173bd
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_children_should_not_see_saved_fd_3.tests
@@ -0,0 +1,6 @@
+# The "find" should not see "saved" (duplicated) fd #1
+# Explicitly use bbox find, since other implementations of "find"
+# may open other descriptors as well.
+{ busybox find /proc/self/fd; true; } >tmp_$$.out
+cat tmp_$$.out
+rm -f tmp_$$.out