Adding upstream version 2.14.3.upstream/2.14.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/ansible/plugins/shell/sh.py b/lib/ansible/plugins/shell/sh.py
new file mode 100644
index 0000000..146c466
--- /dev/null
+++ b/lib/ansible/plugins/shell/sh.py
@@ -0,0 +1,79 @@
+# Copyright (c) 2014, Chris Church <chris@ninemoreminutes.com>
+# Copyright (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+DOCUMENTATION = '''
+name: sh
+short_description: "POSIX shell (/bin/sh)"
+version_added: historical
+description:
+  - This shell plugin is the one you want to use on most Unix systems, it is the most compatible and widely installed shell.
+extends_documentation_fragment:
+  - shell_common
+'''
+
+import shlex
+
+from ansible.plugins.shell import ShellBase
+
+
+class ShellModule(ShellBase):
+
+    # Common shell filenames that this plugin handles.
+    # Note: sh is the default shell plugin so this plugin may also be selected
+    # This code needs to be SH-compliant. BASH-isms will not work if /bin/sh points to a non-BASH shell.
+
+    # if the filename is not listed in any Shell plugin.
+    COMPATIBLE_SHELLS = frozenset(('sh', 'zsh', 'bash', 'dash', 'ksh'))
+    # Family of shells this has.  Must match the filename without extension
+    SHELL_FAMILY = 'sh'
+
+    # commonly used
+    ECHO = 'echo'
+    COMMAND_SEP = ';'
+
+    # How to end lines in a python script one-liner
+    _SHELL_EMBEDDED_PY_EOL = '\n'
+    _SHELL_REDIRECT_ALLNULL = '> /dev/null 2>&1'
+    _SHELL_AND = '&&'
+    _SHELL_OR = '||'
+    _SHELL_SUB_LEFT = '"`'
+    _SHELL_SUB_RIGHT = '`"'
+    _SHELL_GROUP_LEFT = '('
+    _SHELL_GROUP_RIGHT = ')'
+
+    def checksum(self, path, python_interp):
+        # In the following test, each condition is a check and logical
+        # comparison (|| or &&) that sets the rc value.  Every check is run so
+        # the last check in the series to fail will be the rc that is returned.
+        #
+        # If a check fails we error before invoking the hash functions because
+        # hash functions may successfully take the hash of a directory on BSDs
+        # (UFS filesystem?) which is not what the rest of the ansible code expects
+        #
+        # If all of the available hashing methods fail we fail with an rc of 0.
+        # This logic is added to the end of the cmd at the bottom of this function.
+
+        # Return codes:
+        # checksum: success!
+        # 0: Unknown error
+        # 1: Remote file does not exist
+        # 2: No read permissions on the file
+        # 3: File is a directory
+        # 4: No python interpreter
+
+        # Quoting gets complex here.  We're writing a python string that's
+        # used by a variety of shells on the remote host to invoke a python
+        # "one-liner".
+        shell_escaped_path = shlex.quote(path)
+        test = "rc=flag; [ -r %(p)s ] %(shell_or)s rc=2; [ -f %(p)s ] %(shell_or)s rc=1; [ -d %(p)s ] %(shell_and)s rc=3; %(i)s -V 2>/dev/null %(shell_or)s rc=4; [ x\"$rc\" != \"xflag\" ] %(shell_and)s echo \"${rc}  \"%(p)s %(shell_and)s exit 0" % dict(p=shell_escaped_path, i=python_interp, shell_and=self._SHELL_AND, shell_or=self._SHELL_OR)  # NOQA
+        csums = [
+            u"({0} -c 'import hashlib; BLOCKSIZE = 65536; hasher = hashlib.sha1();{2}afile = open(\"'{1}'\", \"rb\"){2}buf = afile.read(BLOCKSIZE){2}while len(buf) > 0:{2}\thasher.update(buf){2}\tbuf = afile.read(BLOCKSIZE){2}afile.close(){2}print(hasher.hexdigest())' 2>/dev/null)".format(python_interp, shell_escaped_path, self._SHELL_EMBEDDED_PY_EOL),  # NOQA  Python > 2.4 (including python3)
+            u"({0} -c 'import sha; BLOCKSIZE = 65536; hasher = sha.sha();{2}afile = open(\"'{1}'\", \"rb\"){2}buf = afile.read(BLOCKSIZE){2}while len(buf) > 0:{2}\thasher.update(buf){2}\tbuf = afile.read(BLOCKSIZE){2}afile.close(){2}print(hasher.hexdigest())' 2>/dev/null)".format(python_interp, shell_escaped_path, self._SHELL_EMBEDDED_PY_EOL),  # NOQA  Python == 2.4
+        ]
+
+        cmd = (" %s " % self._SHELL_OR).join(csums)
+        cmd = "%s; %s %s (echo \'0  \'%s)" % (test, cmd, self._SHELL_OR, shell_escaped_path)
+        return cmd