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Diffstat (limited to 'azurelinuxagent/utils/textutil.py')
| -rw-r--r-- | azurelinuxagent/utils/textutil.py | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/azurelinuxagent/utils/textutil.py b/azurelinuxagent/utils/textutil.py deleted file mode 100644 index 851f98a..0000000 --- a/azurelinuxagent/utils/textutil.py +++ /dev/null @@ -1,236 +0,0 @@ -# Microsoft Azure Linux Agent -# -# Copyright 2014 Microsoft Corporation -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# -# Requires Python 2.4+ and Openssl 1.0+ - -import crypt -import random -import string -import struct -import xml.dom.minidom as minidom -import sys -from distutils.version import LooseVersion - -def parse_doc(xml_text): - """ - Parse xml document from string - """ - #The minidom lib has some issue with unicode in python2. - #Encode the string into utf-8 first - xml_text = xml_text.encode('utf-8') - return minidom.parseString(xml_text) - -def findall(root, tag, namespace=None): - """ - Get all nodes by tag and namespace under Node root. - """ - if root is None: - return [] - - if namespace is None: - return root.getElementsByTagName(tag) - else: - return root.getElementsByTagNameNS(namespace, tag) - -def find(root, tag, namespace=None): - """ - Get first node by tag and namespace under Node root. - """ - nodes = findall(root, tag, namespace=namespace) - if nodes is not None and len(nodes) >= 1: - return nodes[0] - else: - return None - -def gettext(node): - """ - Get node text - """ - if node is None: - return None - - for child in node.childNodes: - if child.nodeType == child.TEXT_NODE: - return child.data - return None - -def findtext(root, tag, namespace=None): - """ - Get text of node by tag and namespace under Node root. - """ - node = find(root, tag, namespace=namespace) - return gettext(node) - -def getattrib(node, attr_name): - """ - Get attribute of xml node - """ - if node is not None: - return node.getAttribute(attr_name) - else: - return None - -def unpack(buf, offset, range): - """ - Unpack bytes into python values. - """ - result = 0 - for i in range: - result = (result << 8) | str_to_ord(buf[offset + i]) - return result - -def unpack_little_endian(buf, offset, length): - """ - Unpack little endian bytes into python values. - """ - return unpack(buf, offset, list(range(length - 1, -1, -1))) - -def unpack_big_endian(buf, offset, length): - """ - Unpack big endian bytes into python values. - """ - return unpack(buf, offset, list(range(0, length))) - -def hex_dump3(buf, offset, length): - """ - Dump range of buf in formatted hex. - """ - return ''.join(['%02X' % str_to_ord(char) for char in buf[offset:offset + length]]) - -def hex_dump2(buf): - """ - Dump buf in formatted hex. - """ - return hex_dump3(buf, 0, len(buf)) - -def is_in_range(a, low, high): - """ - Return True if 'a' in 'low' <= a >= 'high' - """ - return (a >= low and a <= high) - -def is_printable(ch): - """ - Return True if character is displayable. - """ - return (is_in_range(ch, str_to_ord('A'), str_to_ord('Z')) - or is_in_range(ch, str_to_ord('a'), str_to_ord('z')) - or is_in_range(ch, str_to_ord('0'), str_to_ord('9'))) - -def hex_dump(buffer, size): - """ - Return Hex formated dump of a 'buffer' of 'size'. - """ - if size < 0: - size = len(buffer) - result = "" - for i in range(0, size): - if (i % 16) == 0: - result += "%06X: " % i - byte = buffer[i] - if type(byte) == str: - byte = ord(byte.decode('latin1')) - result += "%02X " % byte - if (i & 15) == 7: - result += " " - if ((i + 1) % 16) == 0 or (i + 1) == size: - j = i - while ((j + 1) % 16) != 0: - result += " " - if (j & 7) == 7: - result += " " - j += 1 - result += " " - for j in range(i - (i % 16), i + 1): - byte=buffer[j] - if type(byte) == str: - byte = str_to_ord(byte.decode('latin1')) - k = '.' - if is_printable(byte): - k = chr(byte) - result += k - if (i + 1) != size: - result += "\n" - return result - -def str_to_ord(a): - """ - Allows indexing into a string or an array of integers transparently. - Generic utility function. - """ - if type(a) == type(b'') or type(a) == type(u''): - a = ord(a) - return a - -def compare_bytes(a, b, start, length): - for offset in range(start, start + length): - if str_to_ord(a[offset]) != str_to_ord(b[offset]): - return False - return True - -def int_to_ip4_addr(a): - """ - Build DHCP request string. - """ - return "%u.%u.%u.%u" % ((a >> 24) & 0xFF, - (a >> 16) & 0xFF, - (a >> 8) & 0xFF, - (a) & 0xFF) - -def hexstr_to_bytearray(a): - """ - Return hex string packed into a binary struct. - """ - b = b"" - for c in range(0, len(a) // 2): - b += struct.pack("B", int(a[c * 2:c * 2 + 2], 16)) - return b - -def set_ssh_config(config, name, val): - notfound = True - for i in range(0, len(config)): - if config[i].startswith(name): - config[i] = "{0} {1}".format(name, val) - notfound = False - elif config[i].startswith("Match"): - #Match block must be put in the end of sshd config - break - if notfound: - config.insert(i, "{0} {1}".format(name, val)) - return config - -def remove_bom(c): - if str_to_ord(c[0]) > 128 and str_to_ord(c[1]) > 128 and \ - str_to_ord(c[2]) > 128: - c = c[3:] - return c - -def gen_password_hash(password, crypt_id, salt_len): - collection = string.ascii_letters + string.digits - salt = ''.join(random.choice(collection) for _ in range(salt_len)) - salt = "${0}${1}".format(crypt_id, salt) - return crypt.crypt(password, salt) - -def get_bytes_from_pem(pem_str): - base64_bytes = "" - for line in pem_str.split('\n'): - if "----" not in line: - base64_bytes += line - return base64_bytes - - -Version = LooseVersion - |