Mercurial > hg
annotate mercurial/sslutil.py @ 29530:3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
This is common problem of using sockaddr_un.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 21 May 2016 16:52:04 +0900 |
parents | d65ec41b6384 |
children | 5f8b36d5a6ec |
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1 # sslutil.py - SSL handling for mercurial |
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2 # |
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3 # Copyright 2005, 2006, 2007, 2008 Matt Mackall <mpm@selenic.com> |
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4 # Copyright 2006, 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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5 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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6 # |
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7 # This software may be used and distributed according to the terms of the |
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8 # GNU General Public License version 2 or any later version. |
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9 |
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10 from __future__ import absolute_import |
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11 |
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12 import hashlib |
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13 import os |
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14 import re |
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15 import ssl |
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16 import sys |
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17 |
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18 from .i18n import _ |
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19 from . import ( |
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20 error, |
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21 util, |
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22 ) |
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23 |
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24 # Python 2.7.9+ overhauled the built-in SSL/TLS features of Python. It added |
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25 # support for TLS 1.1, TLS 1.2, SNI, system CA stores, etc. These features are |
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26 # all exposed via the "ssl" module. |
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27 # |
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28 # Depending on the version of Python being used, SSL/TLS support is either |
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29 # modern/secure or legacy/insecure. Many operations in this module have |
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30 # separate code paths depending on support in Python. |
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31 |
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32 hassni = getattr(ssl, 'HAS_SNI', False) |
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33 |
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34 try: |
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35 OP_NO_SSLv2 = ssl.OP_NO_SSLv2 |
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36 OP_NO_SSLv3 = ssl.OP_NO_SSLv3 |
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37 except AttributeError: |
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38 OP_NO_SSLv2 = 0x1000000 |
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39 OP_NO_SSLv3 = 0x2000000 |
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40 |
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41 try: |
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42 # ssl.SSLContext was added in 2.7.9 and presence indicates modern |
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43 # SSL/TLS features are available. |
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44 SSLContext = ssl.SSLContext |
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45 modernssl = True |
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46 _canloaddefaultcerts = util.safehasattr(SSLContext, 'load_default_certs') |
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47 except AttributeError: |
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48 modernssl = False |
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49 _canloaddefaultcerts = False |
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50 |
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51 # We implement SSLContext using the interface from the standard library. |
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52 class SSLContext(object): |
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53 # ssl.wrap_socket gained the "ciphers" named argument in 2.7. |
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54 _supportsciphers = sys.version_info >= (2, 7) |
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55 |
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56 def __init__(self, protocol): |
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57 # From the public interface of SSLContext |
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58 self.protocol = protocol |
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59 self.check_hostname = False |
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60 self.options = 0 |
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61 self.verify_mode = ssl.CERT_NONE |
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62 |
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63 # Used by our implementation. |
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64 self._certfile = None |
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65 self._keyfile = None |
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66 self._certpassword = None |
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67 self._cacerts = None |
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68 self._ciphers = None |
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69 |
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70 def load_cert_chain(self, certfile, keyfile=None, password=None): |
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71 self._certfile = certfile |
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72 self._keyfile = keyfile |
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73 self._certpassword = password |
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74 |
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75 def load_default_certs(self, purpose=None): |
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76 pass |
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77 |
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78 def load_verify_locations(self, cafile=None, capath=None, cadata=None): |
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79 if capath: |
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80 raise error.Abort(_('capath not supported')) |
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81 if cadata: |
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82 raise error.Abort(_('cadata not supported')) |
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83 |
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84 self._cacerts = cafile |
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85 |
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86 def set_ciphers(self, ciphers): |
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87 if not self._supportsciphers: |
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88 raise error.Abort(_('setting ciphers not supported')) |
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89 |
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90 self._ciphers = ciphers |
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91 |
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92 def wrap_socket(self, socket, server_hostname=None, server_side=False): |
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93 # server_hostname is unique to SSLContext.wrap_socket and is used |
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94 # for SNI in that context. So there's nothing for us to do with it |
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95 # in this legacy code since we don't support SNI. |
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96 |
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97 args = { |
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98 'keyfile': self._keyfile, |
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99 'certfile': self._certfile, |
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100 'server_side': server_side, |
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101 'cert_reqs': self.verify_mode, |
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102 'ssl_version': self.protocol, |
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103 'ca_certs': self._cacerts, |
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104 } |
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105 |
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106 if self._supportsciphers: |
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107 args['ciphers'] = self._ciphers |
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108 |
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109 return ssl.wrap_socket(socket, **args) |
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110 |
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111 def _hostsettings(ui, hostname): |
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112 """Obtain security settings for a hostname. |
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113 |
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114 Returns a dict of settings relevant to that hostname. |
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115 """ |
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116 s = { |
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117 # Whether we should attempt to load default/available CA certs |
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118 # if an explicit ``cafile`` is not defined. |
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119 'allowloaddefaultcerts': True, |
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120 # List of 2-tuple of (hash algorithm, hash). |
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121 'certfingerprints': [], |
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122 # Path to file containing concatenated CA certs. Used by |
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123 # SSLContext.load_verify_locations(). |
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124 'cafile': None, |
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125 # Whether certificate verification should be disabled. |
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126 'disablecertverification': False, |
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127 # Whether the legacy [hostfingerprints] section has data for this host. |
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128 'legacyfingerprint': False, |
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129 # PROTOCOL_* constant to use for SSLContext.__init__. |
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130 'protocol': None, |
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131 # ssl.CERT_* constant used by SSLContext.verify_mode. |
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132 'verifymode': None, |
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133 # Defines extra ssl.OP* bitwise options to set. |
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134 'ctxoptions': None, |
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135 } |
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136 |
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137 # Despite its name, PROTOCOL_SSLv23 selects the highest protocol |
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138 # that both ends support, including TLS protocols. On legacy stacks, |
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139 # the highest it likely goes in TLS 1.0. On modern stacks, it can |
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140 # support TLS 1.2. |
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141 # |
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142 # The PROTOCOL_TLSv* constants select a specific TLS version |
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143 # only (as opposed to multiple versions). So the method for |
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144 # supporting multiple TLS versions is to use PROTOCOL_SSLv23 and |
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145 # disable protocols via SSLContext.options and OP_NO_* constants. |
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146 # However, SSLContext.options doesn't work unless we have the |
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147 # full/real SSLContext available to us. |
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148 if modernssl: |
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149 s['protocol'] = ssl.PROTOCOL_SSLv23 |
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150 else: |
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151 s['protocol'] = ssl.PROTOCOL_TLSv1 |
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152 |
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153 # SSLv2 and SSLv3 are broken. We ban them outright. |
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154 # WARNING: ctxoptions doesn't have an effect unless the modern ssl module |
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155 # is available. Be careful when adding flags! |
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156 s['ctxoptions'] = OP_NO_SSLv2 | OP_NO_SSLv3 |
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157 |
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158 # Look for fingerprints in [hostsecurity] section. Value is a list |
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159 # of <alg>:<fingerprint> strings. |
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160 fingerprints = ui.configlist('hostsecurity', '%s:fingerprints' % hostname, |
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161 []) |
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162 for fingerprint in fingerprints: |
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163 if not (fingerprint.startswith(('sha1:', 'sha256:', 'sha512:'))): |
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164 raise error.Abort(_('invalid fingerprint for %s: %s') % ( |
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165 hostname, fingerprint), |
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166 hint=_('must begin with "sha1:", "sha256:", ' |
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167 'or "sha512:"')) |
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168 |
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169 alg, fingerprint = fingerprint.split(':', 1) |
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170 fingerprint = fingerprint.replace(':', '').lower() |
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171 s['certfingerprints'].append((alg, fingerprint)) |
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172 |
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173 # Fingerprints from [hostfingerprints] are always SHA-1. |
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174 for fingerprint in ui.configlist('hostfingerprints', hostname, []): |
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175 fingerprint = fingerprint.replace(':', '').lower() |
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176 s['certfingerprints'].append(('sha1', fingerprint)) |
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177 s['legacyfingerprint'] = True |
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178 |
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179 # If a host cert fingerprint is defined, it is the only thing that |
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180 # matters. No need to validate CA certs. |
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181 if s['certfingerprints']: |
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182 s['verifymode'] = ssl.CERT_NONE |
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183 s['allowloaddefaultcerts'] = False |
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184 |
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185 # If --insecure is used, don't take CAs into consideration. |
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186 elif ui.insecureconnections: |
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187 s['disablecertverification'] = True |
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188 s['verifymode'] = ssl.CERT_NONE |
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189 s['allowloaddefaultcerts'] = False |
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190 |
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191 if ui.configbool('devel', 'disableloaddefaultcerts'): |
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192 s['allowloaddefaultcerts'] = False |
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193 |
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194 # If both fingerprints and a per-host ca file are specified, issue a warning |
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195 # because users should not be surprised about what security is or isn't |
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196 # being performed. |
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197 cafile = ui.config('hostsecurity', '%s:verifycertsfile' % hostname) |
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198 if s['certfingerprints'] and cafile: |
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199 ui.warn(_('(hostsecurity.%s:verifycertsfile ignored when host ' |
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200 'fingerprints defined; using host fingerprints for ' |
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201 'verification)\n') % hostname) |
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202 |
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203 # Try to hook up CA certificate validation unless something above |
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204 # makes it not necessary. |
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205 if s['verifymode'] is None: |
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206 # Look at per-host ca file first. |
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207 if cafile: |
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208 cafile = util.expandpath(cafile) |
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209 if not os.path.exists(cafile): |
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210 raise error.Abort(_('path specified by %s does not exist: %s') % |
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211 ('hostsecurity.%s:verifycertsfile' % hostname, |
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212 cafile)) |
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213 s['cafile'] = cafile |
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214 else: |
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215 # Find global certificates file in config. |
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216 cafile = ui.config('web', 'cacerts') |
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217 |
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218 if cafile: |
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219 cafile = util.expandpath(cafile) |
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220 if not os.path.exists(cafile): |
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221 raise error.Abort(_('could not find web.cacerts: %s') % |
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222 cafile) |
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223 elif s['allowloaddefaultcerts']: |
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224 # CAs not defined in config. Try to find system bundles. |
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225 cafile = _defaultcacerts(ui) |
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226 if cafile: |
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227 ui.debug('using %s for CA file\n' % cafile) |
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228 |
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229 s['cafile'] = cafile |
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230 |
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231 # Require certificate validation if CA certs are being loaded and |
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232 # verification hasn't been disabled above. |
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233 if cafile or (_canloaddefaultcerts and s['allowloaddefaultcerts']): |
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234 s['verifymode'] = ssl.CERT_REQUIRED |
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235 else: |
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236 # At this point we don't have a fingerprint, aren't being |
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237 # explicitly insecure, and can't load CA certs. Connecting |
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238 # is insecure. We allow the connection and abort during |
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239 # validation (once we have the fingerprint to print to the |
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240 # user). |
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241 s['verifymode'] = ssl.CERT_NONE |
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242 |
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243 assert s['protocol'] is not None |
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244 assert s['ctxoptions'] is not None |
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245 assert s['verifymode'] is not None |
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246 |
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247 return s |
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248 |
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249 def wrapsocket(sock, keyfile, certfile, ui, serverhostname=None): |
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250 """Add SSL/TLS to a socket. |
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251 |
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252 This is a glorified wrapper for ``ssl.wrap_socket()``. It makes sane |
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253 choices based on what security options are available. |
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254 |
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255 In addition to the arguments supported by ``ssl.wrap_socket``, we allow |
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256 the following additional arguments: |
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257 |
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258 * serverhostname - The expected hostname of the remote server. If the |
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259 server (and client) support SNI, this tells the server which certificate |
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260 to use. |
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261 """ |
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262 if not serverhostname: |
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263 raise error.Abort(_('serverhostname argument is required')) |
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264 |
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265 settings = _hostsettings(ui, serverhostname) |
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266 |
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267 # TODO use ssl.create_default_context() on modernssl. |
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268 sslcontext = SSLContext(settings['protocol']) |
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269 |
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270 # This is a no-op unless using modern ssl. |
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271 sslcontext.options |= settings['ctxoptions'] |
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272 |
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273 # This still works on our fake SSLContext. |
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274 sslcontext.verify_mode = settings['verifymode'] |
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275 |
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276 if certfile is not None: |
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277 def password(): |
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278 f = keyfile or certfile |
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279 return ui.getpass(_('passphrase for %s: ') % f, '') |
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280 sslcontext.load_cert_chain(certfile, keyfile, password) |
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281 |
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282 if settings['cafile'] is not None: |
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283 try: |
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284 sslcontext.load_verify_locations(cafile=settings['cafile']) |
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285 except ssl.SSLError as e: |
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286 raise error.Abort(_('error loading CA file %s: %s') % ( |
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287 settings['cafile'], e.args[1]), |
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288 hint=_('file is empty or malformed?')) |
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289 caloaded = True |
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290 elif settings['allowloaddefaultcerts']: |
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291 # This is a no-op on old Python. |
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292 sslcontext.load_default_certs() |
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293 caloaded = True |
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294 else: |
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295 caloaded = False |
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296 |
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297 try: |
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298 sslsocket = sslcontext.wrap_socket(sock, server_hostname=serverhostname) |
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299 except ssl.SSLError: |
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300 # If we're doing certificate verification and no CA certs are loaded, |
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301 # that is almost certainly the reason why verification failed. Provide |
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302 # a hint to the user. |
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303 # Only modern ssl module exposes SSLContext.get_ca_certs() so we can |
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304 # only show this warning if modern ssl is available. |
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305 if (caloaded and settings['verifymode'] == ssl.CERT_REQUIRED and |
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306 modernssl and not sslcontext.get_ca_certs()): |
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307 ui.warn(_('(an attempt was made to load CA certificates but none ' |
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308 'were loaded; see ' |
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309 'https://mercurial-scm.org/wiki/SecureConnections for ' |
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310 'how to configure Mercurial to avoid this error)\n')) |
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311 raise |
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312 |
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313 # check if wrap_socket failed silently because socket had been |
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314 # closed |
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315 # - see http://bugs.python.org/issue13721 |
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316 if not sslsocket.cipher(): |
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317 raise error.Abort(_('ssl connection failed')) |
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318 |
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319 sslsocket._hgstate = { |
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320 'caloaded': caloaded, |
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321 'hostname': serverhostname, |
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322 'settings': settings, |
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323 'ui': ui, |
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324 } |
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325 |
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326 return sslsocket |
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327 |
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328 class wildcarderror(Exception): |
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329 """Represents an error parsing wildcards in DNS name.""" |
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330 |
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331 def _dnsnamematch(dn, hostname, maxwildcards=1): |
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332 """Match DNS names according RFC 6125 section 6.4.3. |
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333 |
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334 This code is effectively copied from CPython's ssl._dnsname_match. |
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335 |
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336 Returns a bool indicating whether the expected hostname matches |
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337 the value in ``dn``. |
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338 """ |
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339 pats = [] |
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340 if not dn: |
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341 return False |
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342 |
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343 pieces = dn.split(r'.') |
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344 leftmost = pieces[0] |
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345 remainder = pieces[1:] |
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346 wildcards = leftmost.count('*') |
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347 if wildcards > maxwildcards: |
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348 raise wildcarderror( |
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349 _('too many wildcards in certificate DNS name: %s') % dn) |
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350 |
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351 # speed up common case w/o wildcards |
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352 if not wildcards: |
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353 return dn.lower() == hostname.lower() |
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354 |
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355 # RFC 6125, section 6.4.3, subitem 1. |
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356 # The client SHOULD NOT attempt to match a presented identifier in which |
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357 # the wildcard character comprises a label other than the left-most label. |
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358 if leftmost == '*': |
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359 # When '*' is a fragment by itself, it matches a non-empty dotless |
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360 # fragment. |
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361 pats.append('[^.]+') |
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362 elif leftmost.startswith('xn--') or hostname.startswith('xn--'): |
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363 # RFC 6125, section 6.4.3, subitem 3. |
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364 # The client SHOULD NOT attempt to match a presented identifier |
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365 # where the wildcard character is embedded within an A-label or |
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366 # U-label of an internationalized domain name. |
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367 pats.append(re.escape(leftmost)) |
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368 else: |
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369 # Otherwise, '*' matches any dotless string, e.g. www* |
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370 pats.append(re.escape(leftmost).replace(r'\*', '[^.]*')) |
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371 |
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372 # add the remaining fragments, ignore any wildcards |
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373 for frag in remainder: |
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374 pats.append(re.escape(frag)) |
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375 |
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376 pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) |
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377 return pat.match(hostname) is not None |
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378 |
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379 def _verifycert(cert, hostname): |
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380 '''Verify that cert (in socket.getpeercert() format) matches hostname. |
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381 CRLs is not handled. |
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382 |
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383 Returns error message if any problems are found and None on success. |
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384 ''' |
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385 if not cert: |
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386 return _('no certificate received') |
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387 |
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388 dnsnames = [] |
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389 san = cert.get('subjectAltName', []) |
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390 for key, value in san: |
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391 if key == 'DNS': |
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392 try: |
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393 if _dnsnamematch(value, hostname): |
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394 return |
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395 except wildcarderror as e: |
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396 return e.args[0] |
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397 |
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398 dnsnames.append(value) |
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399 |
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400 if not dnsnames: |
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401 # The subject is only checked when there is no DNS in subjectAltName. |
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402 for sub in cert.get('subject', []): |
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403 for key, value in sub: |
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404 # According to RFC 2818 the most specific Common Name must |
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405 # be used. |
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406 if key == 'commonName': |
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407 # 'subject' entries are unicide. |
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408 try: |
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409 value = value.encode('ascii') |
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410 except UnicodeEncodeError: |
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411 return _('IDN in certificate not supported') |
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412 |
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413 try: |
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414 if _dnsnamematch(value, hostname): |
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415 return |
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416 except wildcarderror as e: |
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417 return e.args[0] |
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418 |
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419 dnsnames.append(value) |
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420 |
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421 if len(dnsnames) > 1: |
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422 return _('certificate is for %s') % ', '.join(dnsnames) |
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423 elif len(dnsnames) == 1: |
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424 return _('certificate is for %s') % dnsnames[0] |
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425 else: |
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426 return _('no commonName or subjectAltName found in certificate') |
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427 |
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428 def _plainapplepython(): |
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429 """return true if this seems to be a pure Apple Python that |
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430 * is unfrozen and presumably has the whole mercurial module in the file |
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431 system |
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432 * presumably is an Apple Python that uses Apple OpenSSL which has patches |
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433 for using system certificate store CAs in addition to the provided |
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434 cacerts file |
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435 """ |
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436 if sys.platform != 'darwin' or util.mainfrozen() or not sys.executable: |
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437 return False |
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438 exe = os.path.realpath(sys.executable).lower() |
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439 return (exe.startswith('/usr/bin/python') or |
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440 exe.startswith('/system/library/frameworks/python.framework/')) |
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441 |
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442 _systemcacertpaths = [ |
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443 # RHEL, CentOS, and Fedora |
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444 '/etc/pki/tls/certs/ca-bundle.trust.crt', |
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445 # Debian, Ubuntu, Gentoo |
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446 '/etc/ssl/certs/ca-certificates.crt', |
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447 ] |
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448 |
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449 def _defaultcacerts(ui): |
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450 """return path to default CA certificates or None. |
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451 |
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452 It is assumed this function is called when the returned certificates |
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453 file will actually be used to validate connections. Therefore this |
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454 function may print warnings or debug messages assuming this usage. |
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455 |
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456 We don't print a message when the Python is able to load default |
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457 CA certs because this scenario is detected at socket connect time. |
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458 """ |
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459 # The "certifi" Python package provides certificates. If it is installed, |
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460 # assume the user intends it to be used and use it. |
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461 try: |
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462 import certifi |
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463 certs = certifi.where() |
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464 ui.debug('using ca certificates from certifi\n') |
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465 return certs |
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466 except ImportError: |
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467 pass |
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468 |
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469 # On Windows, only the modern ssl module is capable of loading the system |
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470 # CA certificates. If we're not capable of doing that, emit a warning |
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471 # because we'll get a certificate verification error later and the lack |
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472 # of loaded CA certificates will be the reason why. |
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473 # Assertion: this code is only called if certificates are being verified. |
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474 if os.name == 'nt': |
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475 if not _canloaddefaultcerts: |
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476 ui.warn(_('(unable to load Windows CA certificates; see ' |
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477 'https://mercurial-scm.org/wiki/SecureConnections for ' |
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478 'how to configure Mercurial to avoid this message)\n')) |
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479 |
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480 return None |
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481 |
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482 # Apple's OpenSSL has patches that allow a specially constructed certificate |
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483 # to load the system CA store. If we're running on Apple Python, use this |
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484 # trick. |
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485 if _plainapplepython(): |
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486 dummycert = os.path.join(os.path.dirname(__file__), 'dummycert.pem') |
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487 if os.path.exists(dummycert): |
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488 return dummycert |
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489 |
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490 # The Apple OpenSSL trick isn't available to us. If Python isn't able to |
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491 # load system certs, we're out of luck. |
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492 if sys.platform == 'darwin': |
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493 # FUTURE Consider looking for Homebrew or MacPorts installed certs |
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494 # files. Also consider exporting the keychain certs to a file during |
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495 # Mercurial install. |
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496 if not _canloaddefaultcerts: |
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497 ui.warn(_('(unable to load CA certificates; see ' |
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498 'https://mercurial-scm.org/wiki/SecureConnections for ' |
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499 'how to configure Mercurial to avoid this message)\n')) |
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500 return None |
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501 |
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502 # Try to find CA certificates in well-known locations. We print a warning |
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503 # when using a found file because we don't want too much silent magic |
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504 # for security settings. The expectation is that proper Mercurial |
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505 # installs will have the CA certs path defined at install time and the |
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506 # installer/packager will make an appropriate decision on the user's |
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507 # behalf. We only get here and perform this setting as a feature of |
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508 # last resort. |
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509 if not _canloaddefaultcerts: |
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510 for path in _systemcacertpaths: |
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511 if os.path.isfile(path): |
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512 ui.warn(_('(using CA certificates from %s; if you see this ' |
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513 'message, your Mercurial install is not properly ' |
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514 'configured; see ' |
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515 'https://mercurial-scm.org/wiki/SecureConnections ' |
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516 'for how to configure Mercurial to avoid this ' |
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|
517 'message)\n') % path) |
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|
518 return path |
14204
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|
519 |
29500
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520 ui.warn(_('(unable to load CA certificates; see ' |
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521 'https://mercurial-scm.org/wiki/SecureConnections for ' |
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|
522 'how to configure Mercurial to avoid this message)\n')) |
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|
523 |
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|
524 return None |
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|
525 |
29286
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|
526 def validatesocket(sock): |
29227
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527 """Validate a socket meets security requiremnets. |
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528 |
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529 The passed socket must have been created with ``wrapsocket()``. |
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|
530 """ |
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|
531 host = sock._hgstate['hostname'] |
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|
532 ui = sock._hgstate['ui'] |
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|
533 settings = sock._hgstate['settings'] |
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|
534 |
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|
535 try: |
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|
536 peercert = sock.getpeercert(True) |
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|
537 peercert2 = sock.getpeercert() |
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|
538 except AttributeError: |
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|
539 raise error.Abort(_('%s ssl connection error') % host) |
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540 |
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|
541 if not peercert: |
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|
542 raise error.Abort(_('%s certificate error: ' |
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|
543 'no certificate received') % host) |
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|
544 |
29289
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|
545 if settings['disablecertverification']: |
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|
546 # We don't print the certificate fingerprint because it shouldn't |
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|
547 # be necessary: if the user requested certificate verification be |
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|
548 # disabled, they presumably already saw a message about the inability |
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|
549 # to verify the certificate and this message would have printed the |
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|
550 # fingerprint. So printing the fingerprint here adds little to no |
3536673a25ae
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|
551 # value. |
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|
552 ui.warn(_('warning: connection security to %s is disabled per current ' |
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|
553 'settings; communication is susceptible to eavesdropping ' |
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|
554 'and tampering\n') % host) |
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|
555 return |
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|
556 |
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|
557 # If a certificate fingerprint is pinned, use it and only it to |
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|
558 # validate the remote cert. |
29262
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|
559 peerfingerprints = { |
29341
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cleanup: replace uses of util.(md5|sha1|sha256|sha512) with hashlib.\1
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|
560 'sha1': hashlib.sha1(peercert).hexdigest(), |
0d83ad967bf8
cleanup: replace uses of util.(md5|sha1|sha256|sha512) with hashlib.\1
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|
561 'sha256': hashlib.sha256(peercert).hexdigest(), |
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|
562 'sha512': hashlib.sha512(peercert).hexdigest(), |
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563 } |
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564 |
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565 def fmtfingerprint(s): |
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566 return ':'.join([s[x:x + 2] for x in range(0, len(s), 2)]) |
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567 |
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568 nicefingerprint = 'sha256:%s' % fmtfingerprint(peerfingerprints['sha256']) |
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569 |
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570 if settings['certfingerprints']: |
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571 for hash, fingerprint in settings['certfingerprints']: |
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572 if peerfingerprints[hash].lower() == fingerprint: |
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573 ui.debug('%s certificate matched fingerprint %s:%s\n' % |
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574 (host, hash, fmtfingerprint(fingerprint))) |
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575 return |
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576 |
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577 # Pinned fingerprint didn't match. This is a fatal error. |
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578 if settings['legacyfingerprint']: |
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579 section = 'hostfingerprint' |
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580 nice = fmtfingerprint(peerfingerprints['sha1']) |
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581 else: |
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582 section = 'hostsecurity' |
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583 nice = '%s:%s' % (hash, fmtfingerprint(peerfingerprints[hash])) |
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584 raise error.Abort(_('certificate for %s has unexpected ' |
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585 'fingerprint %s') % (host, nice), |
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586 hint=_('check %s configuration') % section) |
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587 |
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588 # Security is enabled but no CAs are loaded. We can't establish trust |
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589 # for the cert so abort. |
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sslutil: convert socket validation from a class to a function (API)
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590 if not sock._hgstate['caloaded']: |
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591 raise error.Abort( |
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592 _('unable to verify security of %s (no loaded CA certificates); ' |
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593 'refusing to connect') % host, |
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594 hint=_('see https://mercurial-scm.org/wiki/SecureConnections for ' |
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595 'how to configure Mercurial to avoid this error or set ' |
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596 'hostsecurity.%s:fingerprints=%s to trust this server') % |
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597 (host, nicefingerprint)) |
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sslutil: use CA loaded state to drive validation logic
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598 |
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599 msg = _verifycert(peercert2, host) |
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600 if msg: |
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601 raise error.Abort(_('%s certificate error: %s') % (host, msg), |
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602 hint=_('set hostsecurity.%s:certfingerprints=%s ' |
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603 'config setting or use --insecure to connect ' |
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604 'insecurely') % |
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605 (host, nicefingerprint)) |