Implement pcntl_unshare

3 files changed, 79 insertions, 0 deletions

diff --git a/ext/pcntl/tests/pcntl_unshare_01.phpt b/ext/pcntl/tests/pcntl_unshare_01.phpt
new file mode 100644
index 0000000000..d914723dc1
--- /dev/null
+++ b/ext/pcntl/tests/pcntl_unshare_01.phpt
@@ -0,0 +1,21 @@
+--TEST--
+pcntl_unshare() with CLONE_NEWUSER
+--SKIPIF--
+<?php 
+if (!extension_loaded("pcntl")) die("skip");
+if (!extension_loaded("posix")) die("skip posix extension not available");
+if (!function_exists("pcntl_unshare")) die("skip pcntl_unshare is not available");
+if (!defined("CLONE_NEWUSER")) die("skip flag unavailable");
+if (pcntl_unshare(CLONE_NEWUSER) == false && pcntl_get_last_error() == PCNTL_EPERM) {
+    die("skip Insufficient previleges to use CLONE_NEWUSER");
+}
+
+--FILE--
+<?php
+
+$olduid = posix_getuid();
+pcntl_unshare(CLONE_NEWUSER);
+$newuid = posix_getuid();
+var_dump($olduid === $newuid);
+--EXPECT--
+bool(false)
diff --git a/ext/pcntl/tests/pcntl_unshare_02.phpt b/ext/pcntl/tests/pcntl_unshare_02.phpt
new file mode 100644
index 0000000000..a046759730
--- /dev/null
+++ b/ext/pcntl/tests/pcntl_unshare_02.phpt
@@ -0,0 +1,30 @@
+--TEST--
+pcntl_unshare() with CLONE_NEWPID
+--SKIPIF--
+<?php 
+if (!extension_loaded("pcntl")) die("skip");
+if (!extension_loaded("posix")) die("skip posix extension not available");
+if (!function_exists("pcntl_unshare")) die("skip pcntl_unshare is not available");
+if (!defined("CLONE_NEWPID")) die("skip flag unavailable");
+if (posix_getuid() !== 0 &&
+    (!defined("CLONE_NEWUSER") ||
+    (pcntl_unshare(CLONE_NEWUSER) == false && pcntl_get_last_error() == PCNTL_EPERM))) {
+    die("skip Insufficient previleges to run test");
+}
+
+--FILE--
+<?php
+
+if(posix_getuid() !== 0) {
+    pcntl_unshare(CLONE_NEWUSER);
+}
+
+var_dump(getmypid());
+pcntl_unshare(CLONE_NEWPID);
+if(!pcntl_fork()) {
+    var_dump(getmypid());
+    exit();
+}
+--EXPECTF--
+int(%d)
+int(1)
diff --git a/ext/pcntl/tests/pcntl_unshare_03.phpt b/ext/pcntl/tests/pcntl_unshare_03.phpt
new file mode 100644
index 0000000000..d69bd40d40
--- /dev/null
+++ b/ext/pcntl/tests/pcntl_unshare_03.phpt
@@ -0,0 +1,28 @@
+--TEST--
+pcntl_unshare() with CLONE_NEWNET
+--SKIPIF--
+<?php 
+if (!extension_loaded("pcntl")) die("skip");
+if (!extension_loaded("posix")) die("skip posix extension not available");
+if (!function_exists("pcntl_unshare")) die("skip pcntl_unshare is not available");
+if (!defined("CLONE_NEWNET")) die("skip flag unavailable");
+if (posix_getuid() !== 0 &&
+    (!defined("CLONE_NEWUSER") ||
+    (pcntl_unshare(CLONE_NEWUSER) == false && pcntl_get_last_error() == PCNTL_EPERM))) {
+    die("skip Insufficient previleges to run test");
+}
+if (getenv("SKIP_ONLINE_TESTS")) die("skip online test");
+
+--FILE--
+<?php
+
+if(posix_getuid() !== 0) {
+    pcntl_unshare(CLONE_NEWUSER);
+}
+
+var_dump(gethostbyname('php.net'));
+pcntl_unshare(CLONE_NEWNET);
+var_dump(gethostbyname('php.net'));
+--EXPECTF--
+string(%d) %s
+string(7) "php.net"