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@@ -1,1008 +1,1012 b'' | |||
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1 | 1 | # configitems.py - centralized declaration of configuration option |
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2 | 2 | # |
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3 | 3 | # Copyright 2017 Pierre-Yves David <pierre-yves.david@octobus.net> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | from __future__ import absolute_import |
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9 | 9 | |
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10 | 10 | import functools |
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11 | 11 | import re |
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12 | 12 | |
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13 | 13 | from . import ( |
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14 | 14 | encoding, |
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15 | 15 | error, |
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16 | 16 | ) |
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17 | 17 | |
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18 | 18 | def loadconfigtable(ui, extname, configtable): |
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19 | 19 | """update config item known to the ui with the extension ones""" |
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20 | 20 | for section, items in configtable.items(): |
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21 | 21 | knownitems = ui._knownconfig.setdefault(section, itemregister()) |
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22 | 22 | knownkeys = set(knownitems) |
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23 | 23 | newkeys = set(items) |
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24 | 24 | for key in sorted(knownkeys & newkeys): |
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25 | 25 | msg = "extension '%s' overwrite config item '%s.%s'" |
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26 | 26 | msg %= (extname, section, key) |
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27 | 27 | ui.develwarn(msg, config='warn-config') |
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28 | 28 | |
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29 | 29 | knownitems.update(items) |
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30 | 30 | |
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31 | 31 | class configitem(object): |
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32 | 32 | """represent a known config item |
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33 | 33 | |
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34 | 34 | :section: the official config section where to find this item, |
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35 | 35 | :name: the official name within the section, |
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36 | 36 | :default: default value for this item, |
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37 | 37 | :alias: optional list of tuples as alternatives, |
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38 | 38 | :generic: this is a generic definition, match name using regular expression. |
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39 | 39 | """ |
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40 | 40 | |
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41 | 41 | def __init__(self, section, name, default=None, alias=(), |
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42 | 42 | generic=False, priority=0): |
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43 | 43 | self.section = section |
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44 | 44 | self.name = name |
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45 | 45 | self.default = default |
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46 | 46 | self.alias = list(alias) |
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47 | 47 | self.generic = generic |
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48 | 48 | self.priority = priority |
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49 | 49 | self._re = None |
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50 | 50 | if generic: |
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51 | 51 | self._re = re.compile(self.name) |
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52 | 52 | |
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53 | 53 | class itemregister(dict): |
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54 | 54 | """A specialized dictionary that can handle wild-card selection""" |
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55 | 55 | |
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56 | 56 | def __init__(self): |
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57 | 57 | super(itemregister, self).__init__() |
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58 | 58 | self._generics = set() |
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59 | 59 | |
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60 | 60 | def update(self, other): |
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61 | 61 | super(itemregister, self).update(other) |
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62 | 62 | self._generics.update(other._generics) |
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63 | 63 | |
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64 | 64 | def __setitem__(self, key, item): |
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65 | 65 | super(itemregister, self).__setitem__(key, item) |
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66 | 66 | if item.generic: |
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67 | 67 | self._generics.add(item) |
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68 | 68 | |
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69 | 69 | def get(self, key): |
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70 | 70 | if key in self: |
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71 | 71 | return self[key] |
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72 | 72 | |
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73 | 73 | # search for a matching generic item |
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74 | 74 | generics = sorted(self._generics, key=(lambda x: (x.priority, x.name))) |
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75 | 75 | for item in generics: |
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76 | 76 | if item._re.match(key): |
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77 | 77 | return item |
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78 | 78 | |
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79 | 79 | # fallback to dict get |
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80 | 80 | return super(itemregister, self).get(key) |
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81 | 81 | |
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82 | 82 | coreitems = {} |
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83 | 83 | |
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84 | 84 | def _register(configtable, *args, **kwargs): |
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85 | 85 | item = configitem(*args, **kwargs) |
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86 | 86 | section = configtable.setdefault(item.section, itemregister()) |
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87 | 87 | if item.name in section: |
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88 | 88 | msg = "duplicated config item registration for '%s.%s'" |
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89 | 89 | raise error.ProgrammingError(msg % (item.section, item.name)) |
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90 | 90 | section[item.name] = item |
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91 | 91 | |
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92 | 92 | # special value for case where the default is derived from other values |
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93 | 93 | dynamicdefault = object() |
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94 | 94 | |
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95 | 95 | # Registering actual config items |
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96 | 96 | |
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97 | 97 | def getitemregister(configtable): |
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98 | 98 | return functools.partial(_register, configtable) |
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99 | 99 | |
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100 | 100 | coreconfigitem = getitemregister(coreitems) |
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101 | 101 | |
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102 | 102 | coreconfigitem('alias', '.*', |
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103 | 103 | default=None, |
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104 | 104 | generic=True, |
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105 | 105 | ) |
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106 | 106 | coreconfigitem('annotate', 'nodates', |
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107 | 107 | default=False, |
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108 | 108 | ) |
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109 | 109 | coreconfigitem('annotate', 'showfunc', |
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110 | 110 | default=False, |
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111 | 111 | ) |
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112 | 112 | coreconfigitem('annotate', 'unified', |
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113 | 113 | default=None, |
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114 | 114 | ) |
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115 | 115 | coreconfigitem('annotate', 'git', |
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116 | 116 | default=False, |
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117 | 117 | ) |
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118 | 118 | coreconfigitem('annotate', 'ignorews', |
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119 | 119 | default=False, |
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120 | 120 | ) |
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121 | 121 | coreconfigitem('annotate', 'ignorewsamount', |
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122 | 122 | default=False, |
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123 | 123 | ) |
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124 | 124 | coreconfigitem('annotate', 'ignoreblanklines', |
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125 | 125 | default=False, |
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126 | 126 | ) |
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127 | 127 | coreconfigitem('annotate', 'ignorewseol', |
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128 | 128 | default=False, |
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129 | 129 | ) |
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130 | 130 | coreconfigitem('annotate', 'nobinary', |
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131 | 131 | default=False, |
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132 | 132 | ) |
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133 | 133 | coreconfigitem('annotate', 'noprefix', |
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134 | 134 | default=False, |
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135 | 135 | ) |
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136 | 136 | coreconfigitem('auth', 'cookiefile', |
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137 | 137 | default=None, |
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138 | 138 | ) |
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139 | 139 | # bookmarks.pushing: internal hack for discovery |
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140 | 140 | coreconfigitem('bookmarks', 'pushing', |
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141 | 141 | default=list, |
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142 | 142 | ) |
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143 | 143 | # bundle.mainreporoot: internal hack for bundlerepo |
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144 | 144 | coreconfigitem('bundle', 'mainreporoot', |
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145 | 145 | default='', |
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146 | 146 | ) |
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147 | 147 | # bundle.reorder: experimental config |
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148 | 148 | coreconfigitem('bundle', 'reorder', |
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149 | 149 | default='auto', |
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150 | 150 | ) |
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151 | 151 | coreconfigitem('censor', 'policy', |
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152 | 152 | default='abort', |
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153 | 153 | ) |
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154 | 154 | coreconfigitem('chgserver', 'idletimeout', |
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155 | 155 | default=3600, |
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156 | 156 | ) |
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157 | 157 | coreconfigitem('chgserver', 'skiphash', |
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158 | 158 | default=False, |
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159 | 159 | ) |
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160 | 160 | coreconfigitem('cmdserver', 'log', |
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161 | 161 | default=None, |
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162 | 162 | ) |
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163 | 163 | coreconfigitem('color', '.*', |
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164 | 164 | default=None, |
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165 | 165 | generic=True, |
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166 | 166 | ) |
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167 | 167 | coreconfigitem('color', 'mode', |
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168 | 168 | default='auto', |
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169 | 169 | ) |
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170 | 170 | coreconfigitem('color', 'pagermode', |
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171 | 171 | default=dynamicdefault, |
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172 | 172 | ) |
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173 | 173 | coreconfigitem('commands', 'status.relative', |
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174 | 174 | default=False, |
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175 | 175 | ) |
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176 | 176 | coreconfigitem('commands', 'status.skipstates', |
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177 | 177 | default=[], |
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178 | 178 | ) |
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179 | 179 | coreconfigitem('commands', 'status.verbose', |
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180 | 180 | default=False, |
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181 | 181 | ) |
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182 | 182 | coreconfigitem('commands', 'update.check', |
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183 | 183 | default=None, |
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184 | 184 | ) |
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185 | 185 | coreconfigitem('commands', 'update.requiredest', |
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186 | 186 | default=False, |
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187 | 187 | ) |
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188 | 188 | coreconfigitem('committemplate', '.*', |
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189 | 189 | default=None, |
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190 | 190 | generic=True, |
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191 | 191 | ) |
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192 | 192 | coreconfigitem('debug', 'dirstate.delaywrite', |
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193 | 193 | default=0, |
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194 | 194 | ) |
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195 | 195 | coreconfigitem('defaults', '.*', |
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196 | 196 | default=None, |
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197 | 197 | generic=True, |
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198 | 198 | ) |
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199 | 199 | coreconfigitem('devel', 'all-warnings', |
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200 | 200 | default=False, |
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201 | 201 | ) |
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202 | 202 | coreconfigitem('devel', 'bundle2.debug', |
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203 | 203 | default=False, |
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204 | 204 | ) |
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205 | 205 | coreconfigitem('devel', 'cache-vfs', |
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206 | 206 | default=None, |
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207 | 207 | ) |
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208 | 208 | coreconfigitem('devel', 'check-locks', |
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209 | 209 | default=False, |
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210 | 210 | ) |
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211 | 211 | coreconfigitem('devel', 'check-relroot', |
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212 | 212 | default=False, |
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213 | 213 | ) |
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214 | 214 | coreconfigitem('devel', 'default-date', |
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215 | 215 | default=None, |
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216 | 216 | ) |
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217 | 217 | coreconfigitem('devel', 'deprec-warn', |
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218 | 218 | default=False, |
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219 | 219 | ) |
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220 | 220 | coreconfigitem('devel', 'disableloaddefaultcerts', |
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221 | 221 | default=False, |
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222 | 222 | ) |
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223 | 223 | coreconfigitem('devel', 'warn-empty-changegroup', |
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224 | 224 | default=False, |
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225 | 225 | ) |
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226 | 226 | coreconfigitem('devel', 'legacy.exchange', |
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227 | 227 | default=list, |
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228 | 228 | ) |
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229 | 229 | coreconfigitem('devel', 'servercafile', |
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230 | 230 | default='', |
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231 | 231 | ) |
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232 | 232 | coreconfigitem('devel', 'serverexactprotocol', |
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233 | 233 | default='', |
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234 | 234 | ) |
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235 | 235 | coreconfigitem('devel', 'serverrequirecert', |
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236 | 236 | default=False, |
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237 | 237 | ) |
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238 | 238 | coreconfigitem('devel', 'strip-obsmarkers', |
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239 | 239 | default=True, |
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240 | 240 | ) |
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241 | 241 | coreconfigitem('devel', 'warn-config', |
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242 | 242 | default=None, |
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243 | 243 | ) |
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244 | 244 | coreconfigitem('devel', 'warn-config-default', |
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245 | 245 | default=None, |
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246 | 246 | ) |
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247 | 247 | coreconfigitem('devel', 'user.obsmarker', |
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248 | 248 | default=None, |
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249 | 249 | ) |
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250 | 250 | coreconfigitem('diff', 'nodates', |
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251 | 251 | default=False, |
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252 | 252 | ) |
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253 | 253 | coreconfigitem('diff', 'showfunc', |
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254 | 254 | default=False, |
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255 | 255 | ) |
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256 | 256 | coreconfigitem('diff', 'unified', |
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257 | 257 | default=None, |
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258 | 258 | ) |
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259 | 259 | coreconfigitem('diff', 'git', |
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260 | 260 | default=False, |
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261 | 261 | ) |
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262 | 262 | coreconfigitem('diff', 'ignorews', |
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263 | 263 | default=False, |
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264 | 264 | ) |
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265 | 265 | coreconfigitem('diff', 'ignorewsamount', |
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266 | 266 | default=False, |
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267 | 267 | ) |
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268 | 268 | coreconfigitem('diff', 'ignoreblanklines', |
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269 | 269 | default=False, |
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270 | 270 | ) |
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271 | 271 | coreconfigitem('diff', 'ignorewseol', |
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272 | 272 | default=False, |
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273 | 273 | ) |
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274 | 274 | coreconfigitem('diff', 'nobinary', |
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275 | 275 | default=False, |
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276 | 276 | ) |
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277 | 277 | coreconfigitem('diff', 'noprefix', |
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278 | 278 | default=False, |
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279 | 279 | ) |
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280 | 280 | coreconfigitem('email', 'bcc', |
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281 | 281 | default=None, |
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282 | 282 | ) |
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283 | 283 | coreconfigitem('email', 'cc', |
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284 | 284 | default=None, |
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285 | 285 | ) |
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286 | 286 | coreconfigitem('email', 'charsets', |
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287 | 287 | default=list, |
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288 | 288 | ) |
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289 | 289 | coreconfigitem('email', 'from', |
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290 | 290 | default=None, |
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291 | 291 | ) |
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292 | 292 | coreconfigitem('email', 'method', |
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293 | 293 | default='smtp', |
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294 | 294 | ) |
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295 | 295 | coreconfigitem('email', 'reply-to', |
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296 | 296 | default=None, |
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297 | 297 | ) |
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298 | 298 | coreconfigitem('experimental', 'allowdivergence', |
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299 | 299 | default=False, |
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300 | 300 | ) |
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301 | 301 | coreconfigitem('experimental', 'archivemetatemplate', |
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302 | 302 | default=dynamicdefault, |
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303 | 303 | ) |
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304 | 304 | coreconfigitem('experimental', 'bundle-phases', |
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305 | 305 | default=False, |
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306 | 306 | ) |
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307 | 307 | coreconfigitem('experimental', 'bundle2-advertise', |
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308 | 308 | default=True, |
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309 | 309 | ) |
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310 | 310 | coreconfigitem('experimental', 'bundle2-output-capture', |
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311 | 311 | default=False, |
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312 | 312 | ) |
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313 | 313 | coreconfigitem('experimental', 'bundle2.pushback', |
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314 | 314 | default=False, |
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315 | 315 | ) |
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316 | 316 | coreconfigitem('experimental', 'bundle2lazylocking', |
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317 | 317 | default=False, |
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318 | 318 | ) |
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319 | 319 | coreconfigitem('experimental', 'bundlecomplevel', |
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320 | 320 | default=None, |
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321 | 321 | ) |
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322 | 322 | coreconfigitem('experimental', 'changegroup3', |
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323 | 323 | default=False, |
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324 | 324 | ) |
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325 | 325 | coreconfigitem('experimental', 'clientcompressionengines', |
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326 | 326 | default=list, |
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327 | 327 | ) |
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328 | 328 | coreconfigitem('experimental', 'copytrace', |
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329 | 329 | default='on', |
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330 | 330 | ) |
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331 | 331 | coreconfigitem('experimental', 'copytrace.sourcecommitlimit', |
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332 | 332 | default=100, |
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333 | 333 | ) |
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334 | 334 | coreconfigitem('experimental', 'crecordtest', |
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335 | 335 | default=None, |
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336 | 336 | ) |
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337 | 337 | coreconfigitem('experimental', 'editortmpinhg', |
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338 | 338 | default=False, |
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339 | 339 | ) |
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340 | 340 | coreconfigitem('experimental', 'maxdeltachainspan', |
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341 | 341 | default=-1, |
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342 | 342 | ) |
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343 | 343 | coreconfigitem('experimental', 'mmapindexthreshold', |
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344 | 344 | default=None, |
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345 | 345 | ) |
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346 | 346 | coreconfigitem('experimental', 'nonnormalparanoidcheck', |
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347 | 347 | default=False, |
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348 | 348 | ) |
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349 | 349 | coreconfigitem('experimental', 'stabilization', |
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350 | 350 | default=list, |
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351 | 351 | alias=[('experimental', 'evolution')], |
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352 | 352 | ) |
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353 | 353 | coreconfigitem('experimental', 'stabilization.bundle-obsmarker', |
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354 | 354 | default=False, |
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355 | 355 | alias=[('experimental', 'evolution.bundle-obsmarker')], |
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356 | 356 | ) |
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357 | 357 | coreconfigitem('experimental', 'stabilization.track-operation', |
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358 | 358 | default=True, |
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359 | 359 | alias=[('experimental', 'evolution.track-operation')] |
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360 | 360 | ) |
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361 | 361 | coreconfigitem('experimental', 'exportableenviron', |
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362 | 362 | default=list, |
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363 | 363 | ) |
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364 | 364 | coreconfigitem('experimental', 'extendedheader.index', |
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365 | 365 | default=None, |
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366 | 366 | ) |
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367 | 367 | coreconfigitem('experimental', 'extendedheader.similarity', |
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368 | 368 | default=False, |
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369 | 369 | ) |
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370 | 370 | coreconfigitem('experimental', 'format.compression', |
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371 | 371 | default='zlib', |
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372 | 372 | ) |
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373 | 373 | coreconfigitem('experimental', 'graphshorten', |
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374 | 374 | default=False, |
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375 | 375 | ) |
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376 | 376 | coreconfigitem('experimental', 'graphstyle.parent', |
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377 | 377 | default=dynamicdefault, |
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378 | 378 | ) |
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379 | 379 | coreconfigitem('experimental', 'graphstyle.missing', |
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380 | 380 | default=dynamicdefault, |
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381 | 381 | ) |
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382 | 382 | coreconfigitem('experimental', 'graphstyle.grandparent', |
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383 | 383 | default=dynamicdefault, |
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384 | 384 | ) |
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385 | 385 | coreconfigitem('experimental', 'hook-track-tags', |
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386 | 386 | default=False, |
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387 | 387 | ) |
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388 | 388 | coreconfigitem('experimental', 'httppostargs', |
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389 | 389 | default=False, |
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390 | 390 | ) |
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391 | 391 | coreconfigitem('experimental', 'manifestv2', |
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392 | 392 | default=False, |
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393 | 393 | ) |
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394 | 394 | coreconfigitem('experimental', 'mergedriver', |
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395 | 395 | default=None, |
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396 | 396 | ) |
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397 | 397 | coreconfigitem('experimental', 'obsmarkers-exchange-debug', |
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398 | 398 | default=False, |
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399 | 399 | ) |
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400 | 400 | coreconfigitem('experimental', 'rebase.multidest', |
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401 | 401 | default=False, |
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402 | 402 | ) |
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403 | 403 | coreconfigitem('experimental', 'revertalternateinteractivemode', |
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404 | 404 | default=True, |
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405 | 405 | ) |
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406 | 406 | coreconfigitem('experimental', 'revlogv2', |
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407 | 407 | default=None, |
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408 | 408 | ) |
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409 | 409 | coreconfigitem('experimental', 'spacemovesdown', |
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410 | 410 | default=False, |
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411 | 411 | ) |
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412 | 412 | coreconfigitem('experimental', 'treemanifest', |
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413 | 413 | default=False, |
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414 | 414 | ) |
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415 | 415 | # Deprecated, remove after 4.4 release |
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416 | 416 | coreconfigitem('experimental', 'updatecheck', |
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417 | 417 | default=None, |
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418 | 418 | ) |
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419 | 419 | coreconfigitem('extensions', '.*', |
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420 | 420 | default=None, |
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421 | 421 | generic=True, |
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422 | 422 | ) |
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423 | 423 | coreconfigitem('extdata', '.*', |
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424 | 424 | default=None, |
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425 | 425 | generic=True, |
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426 | 426 | ) |
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427 | 427 | coreconfigitem('format', 'aggressivemergedeltas', |
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428 | 428 | default=False, |
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429 | 429 | ) |
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430 | 430 | coreconfigitem('format', 'chunkcachesize', |
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431 | 431 | default=None, |
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432 | 432 | ) |
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433 | 433 | coreconfigitem('format', 'dotencode', |
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434 | 434 | default=True, |
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435 | 435 | ) |
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436 | 436 | coreconfigitem('format', 'generaldelta', |
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437 | 437 | default=False, |
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438 | 438 | ) |
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439 | 439 | coreconfigitem('format', 'manifestcachesize', |
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440 | 440 | default=None, |
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441 | 441 | ) |
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442 | 442 | coreconfigitem('format', 'maxchainlen', |
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443 | 443 | default=None, |
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444 | 444 | ) |
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445 | 445 | coreconfigitem('format', 'obsstore-version', |
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446 | 446 | default=None, |
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447 | 447 | ) |
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448 | 448 | coreconfigitem('format', 'usefncache', |
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449 | 449 | default=True, |
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450 | 450 | ) |
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451 | 451 | coreconfigitem('format', 'usegeneraldelta', |
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452 | 452 | default=True, |
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453 | 453 | ) |
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454 | 454 | coreconfigitem('format', 'usestore', |
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455 | 455 | default=True, |
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456 | 456 | ) |
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457 | 457 | coreconfigitem('hooks', '.*', |
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458 | 458 | default=dynamicdefault, |
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459 | 459 | generic=True, |
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460 | 460 | ) |
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461 | 461 | coreconfigitem('hgweb-paths', '.*', |
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462 | 462 | default=list, |
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463 | 463 | generic=True, |
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464 | 464 | ) |
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465 | 465 | coreconfigitem('hostfingerprints', '.*', |
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466 | 466 | default=list, |
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467 | 467 | generic=True, |
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468 | 468 | ) |
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469 | 469 | coreconfigitem('hostsecurity', 'ciphers', |
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470 | 470 | default=None, |
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471 | 471 | ) |
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472 | 472 | coreconfigitem('hostsecurity', 'disabletls10warning', |
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473 | 473 | default=False, |
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474 | 474 | ) |
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475 | 475 | coreconfigitem('hostsecurity', 'minimumprotocol', |
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476 | 476 | default=dynamicdefault, |
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477 | 477 | ) |
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478 | 478 | coreconfigitem('hostsecurity', '.*:minimumprotocol$', |
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479 | 479 | default=dynamicdefault, |
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480 | 480 | generic=True, |
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481 | 481 | ) |
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482 | 482 | coreconfigitem('hostsecurity', '.*:ciphers$', |
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483 | 483 | default=dynamicdefault, |
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484 | 484 | generic=True, |
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485 | 485 | ) |
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486 | coreconfigitem('hostsecurity', '.*:fingerprints$', | |
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487 | default=list, | |
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488 | generic=True, | |
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489 | ) | |
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486 | 490 | coreconfigitem('http_proxy', 'always', |
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487 | 491 | default=False, |
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488 | 492 | ) |
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489 | 493 | coreconfigitem('http_proxy', 'host', |
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490 | 494 | default=None, |
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491 | 495 | ) |
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492 | 496 | coreconfigitem('http_proxy', 'no', |
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493 | 497 | default=list, |
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494 | 498 | ) |
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495 | 499 | coreconfigitem('http_proxy', 'passwd', |
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496 | 500 | default=None, |
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497 | 501 | ) |
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498 | 502 | coreconfigitem('http_proxy', 'user', |
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499 | 503 | default=None, |
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500 | 504 | ) |
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501 | 505 | coreconfigitem('logtoprocess', 'commandexception', |
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502 | 506 | default=None, |
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503 | 507 | ) |
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504 | 508 | coreconfigitem('logtoprocess', 'commandfinish', |
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505 | 509 | default=None, |
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506 | 510 | ) |
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507 | 511 | coreconfigitem('logtoprocess', 'command', |
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508 | 512 | default=None, |
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509 | 513 | ) |
|
510 | 514 | coreconfigitem('logtoprocess', 'develwarn', |
|
511 | 515 | default=None, |
|
512 | 516 | ) |
|
513 | 517 | coreconfigitem('logtoprocess', 'uiblocked', |
|
514 | 518 | default=None, |
|
515 | 519 | ) |
|
516 | 520 | coreconfigitem('merge', 'checkunknown', |
|
517 | 521 | default='abort', |
|
518 | 522 | ) |
|
519 | 523 | coreconfigitem('merge', 'checkignored', |
|
520 | 524 | default='abort', |
|
521 | 525 | ) |
|
522 | 526 | coreconfigitem('merge', 'followcopies', |
|
523 | 527 | default=True, |
|
524 | 528 | ) |
|
525 | 529 | coreconfigitem('merge', 'preferancestor', |
|
526 | 530 | default=lambda: ['*'], |
|
527 | 531 | ) |
|
528 | 532 | coreconfigitem('pager', 'attend-.*', |
|
529 | 533 | default=dynamicdefault, |
|
530 | 534 | generic=True, |
|
531 | 535 | ) |
|
532 | 536 | coreconfigitem('pager', 'ignore', |
|
533 | 537 | default=list, |
|
534 | 538 | ) |
|
535 | 539 | coreconfigitem('pager', 'pager', |
|
536 | 540 | default=dynamicdefault, |
|
537 | 541 | ) |
|
538 | 542 | coreconfigitem('patch', 'eol', |
|
539 | 543 | default='strict', |
|
540 | 544 | ) |
|
541 | 545 | coreconfigitem('patch', 'fuzz', |
|
542 | 546 | default=2, |
|
543 | 547 | ) |
|
544 | 548 | coreconfigitem('paths', 'default', |
|
545 | 549 | default=None, |
|
546 | 550 | ) |
|
547 | 551 | coreconfigitem('paths', 'default-push', |
|
548 | 552 | default=None, |
|
549 | 553 | ) |
|
550 | 554 | coreconfigitem('paths', '.*', |
|
551 | 555 | default=None, |
|
552 | 556 | generic=True, |
|
553 | 557 | ) |
|
554 | 558 | coreconfigitem('phases', 'checksubrepos', |
|
555 | 559 | default='follow', |
|
556 | 560 | ) |
|
557 | 561 | coreconfigitem('phases', 'new-commit', |
|
558 | 562 | default='draft', |
|
559 | 563 | ) |
|
560 | 564 | coreconfigitem('phases', 'publish', |
|
561 | 565 | default=True, |
|
562 | 566 | ) |
|
563 | 567 | coreconfigitem('profiling', 'enabled', |
|
564 | 568 | default=False, |
|
565 | 569 | ) |
|
566 | 570 | coreconfigitem('profiling', 'format', |
|
567 | 571 | default='text', |
|
568 | 572 | ) |
|
569 | 573 | coreconfigitem('profiling', 'freq', |
|
570 | 574 | default=1000, |
|
571 | 575 | ) |
|
572 | 576 | coreconfigitem('profiling', 'limit', |
|
573 | 577 | default=30, |
|
574 | 578 | ) |
|
575 | 579 | coreconfigitem('profiling', 'nested', |
|
576 | 580 | default=0, |
|
577 | 581 | ) |
|
578 | 582 | coreconfigitem('profiling', 'output', |
|
579 | 583 | default=None, |
|
580 | 584 | ) |
|
581 | 585 | coreconfigitem('profiling', 'showmax', |
|
582 | 586 | default=0.999, |
|
583 | 587 | ) |
|
584 | 588 | coreconfigitem('profiling', 'showmin', |
|
585 | 589 | default=dynamicdefault, |
|
586 | 590 | ) |
|
587 | 591 | coreconfigitem('profiling', 'sort', |
|
588 | 592 | default='inlinetime', |
|
589 | 593 | ) |
|
590 | 594 | coreconfigitem('profiling', 'statformat', |
|
591 | 595 | default='hotpath', |
|
592 | 596 | ) |
|
593 | 597 | coreconfigitem('profiling', 'type', |
|
594 | 598 | default='stat', |
|
595 | 599 | ) |
|
596 | 600 | coreconfigitem('progress', 'assume-tty', |
|
597 | 601 | default=False, |
|
598 | 602 | ) |
|
599 | 603 | coreconfigitem('progress', 'changedelay', |
|
600 | 604 | default=1, |
|
601 | 605 | ) |
|
602 | 606 | coreconfigitem('progress', 'clear-complete', |
|
603 | 607 | default=True, |
|
604 | 608 | ) |
|
605 | 609 | coreconfigitem('progress', 'debug', |
|
606 | 610 | default=False, |
|
607 | 611 | ) |
|
608 | 612 | coreconfigitem('progress', 'delay', |
|
609 | 613 | default=3, |
|
610 | 614 | ) |
|
611 | 615 | coreconfigitem('progress', 'disable', |
|
612 | 616 | default=False, |
|
613 | 617 | ) |
|
614 | 618 | coreconfigitem('progress', 'estimateinterval', |
|
615 | 619 | default=60.0, |
|
616 | 620 | ) |
|
617 | 621 | coreconfigitem('progress', 'format', |
|
618 | 622 | default=lambda: ['topic', 'bar', 'number', 'estimate'], |
|
619 | 623 | ) |
|
620 | 624 | coreconfigitem('progress', 'refresh', |
|
621 | 625 | default=0.1, |
|
622 | 626 | ) |
|
623 | 627 | coreconfigitem('progress', 'width', |
|
624 | 628 | default=dynamicdefault, |
|
625 | 629 | ) |
|
626 | 630 | coreconfigitem('push', 'pushvars.server', |
|
627 | 631 | default=False, |
|
628 | 632 | ) |
|
629 | 633 | coreconfigitem('server', 'bundle1', |
|
630 | 634 | default=True, |
|
631 | 635 | ) |
|
632 | 636 | coreconfigitem('server', 'bundle1gd', |
|
633 | 637 | default=None, |
|
634 | 638 | ) |
|
635 | 639 | coreconfigitem('server', 'bundle1.pull', |
|
636 | 640 | default=None, |
|
637 | 641 | ) |
|
638 | 642 | coreconfigitem('server', 'bundle1gd.pull', |
|
639 | 643 | default=None, |
|
640 | 644 | ) |
|
641 | 645 | coreconfigitem('server', 'bundle1.push', |
|
642 | 646 | default=None, |
|
643 | 647 | ) |
|
644 | 648 | coreconfigitem('server', 'bundle1gd.push', |
|
645 | 649 | default=None, |
|
646 | 650 | ) |
|
647 | 651 | coreconfigitem('server', 'compressionengines', |
|
648 | 652 | default=list, |
|
649 | 653 | ) |
|
650 | 654 | coreconfigitem('server', 'concurrent-push-mode', |
|
651 | 655 | default='strict', |
|
652 | 656 | ) |
|
653 | 657 | coreconfigitem('server', 'disablefullbundle', |
|
654 | 658 | default=False, |
|
655 | 659 | ) |
|
656 | 660 | coreconfigitem('server', 'maxhttpheaderlen', |
|
657 | 661 | default=1024, |
|
658 | 662 | ) |
|
659 | 663 | coreconfigitem('server', 'preferuncompressed', |
|
660 | 664 | default=False, |
|
661 | 665 | ) |
|
662 | 666 | coreconfigitem('server', 'uncompressed', |
|
663 | 667 | default=True, |
|
664 | 668 | ) |
|
665 | 669 | coreconfigitem('server', 'uncompressedallowsecret', |
|
666 | 670 | default=False, |
|
667 | 671 | ) |
|
668 | 672 | coreconfigitem('server', 'validate', |
|
669 | 673 | default=False, |
|
670 | 674 | ) |
|
671 | 675 | coreconfigitem('server', 'zliblevel', |
|
672 | 676 | default=-1, |
|
673 | 677 | ) |
|
674 | 678 | coreconfigitem('smtp', 'host', |
|
675 | 679 | default=None, |
|
676 | 680 | ) |
|
677 | 681 | coreconfigitem('smtp', 'local_hostname', |
|
678 | 682 | default=None, |
|
679 | 683 | ) |
|
680 | 684 | coreconfigitem('smtp', 'password', |
|
681 | 685 | default=None, |
|
682 | 686 | ) |
|
683 | 687 | coreconfigitem('smtp', 'port', |
|
684 | 688 | default=dynamicdefault, |
|
685 | 689 | ) |
|
686 | 690 | coreconfigitem('smtp', 'tls', |
|
687 | 691 | default='none', |
|
688 | 692 | ) |
|
689 | 693 | coreconfigitem('smtp', 'username', |
|
690 | 694 | default=None, |
|
691 | 695 | ) |
|
692 | 696 | coreconfigitem('sparse', 'missingwarning', |
|
693 | 697 | default=True, |
|
694 | 698 | ) |
|
695 | 699 | coreconfigitem('templates', '.*', |
|
696 | 700 | default=None, |
|
697 | 701 | generic=True, |
|
698 | 702 | ) |
|
699 | 703 | coreconfigitem('trusted', 'groups', |
|
700 | 704 | default=list, |
|
701 | 705 | ) |
|
702 | 706 | coreconfigitem('trusted', 'users', |
|
703 | 707 | default=list, |
|
704 | 708 | ) |
|
705 | 709 | coreconfigitem('ui', '_usedassubrepo', |
|
706 | 710 | default=False, |
|
707 | 711 | ) |
|
708 | 712 | coreconfigitem('ui', 'allowemptycommit', |
|
709 | 713 | default=False, |
|
710 | 714 | ) |
|
711 | 715 | coreconfigitem('ui', 'archivemeta', |
|
712 | 716 | default=True, |
|
713 | 717 | ) |
|
714 | 718 | coreconfigitem('ui', 'askusername', |
|
715 | 719 | default=False, |
|
716 | 720 | ) |
|
717 | 721 | coreconfigitem('ui', 'clonebundlefallback', |
|
718 | 722 | default=False, |
|
719 | 723 | ) |
|
720 | 724 | coreconfigitem('ui', 'clonebundleprefers', |
|
721 | 725 | default=list, |
|
722 | 726 | ) |
|
723 | 727 | coreconfigitem('ui', 'clonebundles', |
|
724 | 728 | default=True, |
|
725 | 729 | ) |
|
726 | 730 | coreconfigitem('ui', 'color', |
|
727 | 731 | default='auto', |
|
728 | 732 | ) |
|
729 | 733 | coreconfigitem('ui', 'commitsubrepos', |
|
730 | 734 | default=False, |
|
731 | 735 | ) |
|
732 | 736 | coreconfigitem('ui', 'debug', |
|
733 | 737 | default=False, |
|
734 | 738 | ) |
|
735 | 739 | coreconfigitem('ui', 'debugger', |
|
736 | 740 | default=None, |
|
737 | 741 | ) |
|
738 | 742 | coreconfigitem('ui', 'fallbackencoding', |
|
739 | 743 | default=None, |
|
740 | 744 | ) |
|
741 | 745 | coreconfigitem('ui', 'forcecwd', |
|
742 | 746 | default=None, |
|
743 | 747 | ) |
|
744 | 748 | coreconfigitem('ui', 'forcemerge', |
|
745 | 749 | default=None, |
|
746 | 750 | ) |
|
747 | 751 | coreconfigitem('ui', 'formatdebug', |
|
748 | 752 | default=False, |
|
749 | 753 | ) |
|
750 | 754 | coreconfigitem('ui', 'formatjson', |
|
751 | 755 | default=False, |
|
752 | 756 | ) |
|
753 | 757 | coreconfigitem('ui', 'formatted', |
|
754 | 758 | default=None, |
|
755 | 759 | ) |
|
756 | 760 | coreconfigitem('ui', 'graphnodetemplate', |
|
757 | 761 | default=None, |
|
758 | 762 | ) |
|
759 | 763 | coreconfigitem('ui', 'http2debuglevel', |
|
760 | 764 | default=None, |
|
761 | 765 | ) |
|
762 | 766 | coreconfigitem('ui', 'interactive', |
|
763 | 767 | default=None, |
|
764 | 768 | ) |
|
765 | 769 | coreconfigitem('ui', 'interface', |
|
766 | 770 | default=None, |
|
767 | 771 | ) |
|
768 | 772 | coreconfigitem('ui', 'interface.chunkselector', |
|
769 | 773 | default=None, |
|
770 | 774 | ) |
|
771 | 775 | coreconfigitem('ui', 'logblockedtimes', |
|
772 | 776 | default=False, |
|
773 | 777 | ) |
|
774 | 778 | coreconfigitem('ui', 'logtemplate', |
|
775 | 779 | default=None, |
|
776 | 780 | ) |
|
777 | 781 | coreconfigitem('ui', 'merge', |
|
778 | 782 | default=None, |
|
779 | 783 | ) |
|
780 | 784 | coreconfigitem('ui', 'mergemarkers', |
|
781 | 785 | default='basic', |
|
782 | 786 | ) |
|
783 | 787 | coreconfigitem('ui', 'mergemarkertemplate', |
|
784 | 788 | default=('{node|short} ' |
|
785 | 789 | '{ifeq(tags, "tip", "", ' |
|
786 | 790 | 'ifeq(tags, "", "", "{tags} "))}' |
|
787 | 791 | '{if(bookmarks, "{bookmarks} ")}' |
|
788 | 792 | '{ifeq(branch, "default", "", "{branch} ")}' |
|
789 | 793 | '- {author|user}: {desc|firstline}') |
|
790 | 794 | ) |
|
791 | 795 | coreconfigitem('ui', 'nontty', |
|
792 | 796 | default=False, |
|
793 | 797 | ) |
|
794 | 798 | coreconfigitem('ui', 'origbackuppath', |
|
795 | 799 | default=None, |
|
796 | 800 | ) |
|
797 | 801 | coreconfigitem('ui', 'paginate', |
|
798 | 802 | default=True, |
|
799 | 803 | ) |
|
800 | 804 | coreconfigitem('ui', 'patch', |
|
801 | 805 | default=None, |
|
802 | 806 | ) |
|
803 | 807 | coreconfigitem('ui', 'portablefilenames', |
|
804 | 808 | default='warn', |
|
805 | 809 | ) |
|
806 | 810 | coreconfigitem('ui', 'promptecho', |
|
807 | 811 | default=False, |
|
808 | 812 | ) |
|
809 | 813 | coreconfigitem('ui', 'quiet', |
|
810 | 814 | default=False, |
|
811 | 815 | ) |
|
812 | 816 | coreconfigitem('ui', 'quietbookmarkmove', |
|
813 | 817 | default=False, |
|
814 | 818 | ) |
|
815 | 819 | coreconfigitem('ui', 'remotecmd', |
|
816 | 820 | default='hg', |
|
817 | 821 | ) |
|
818 | 822 | coreconfigitem('ui', 'report_untrusted', |
|
819 | 823 | default=True, |
|
820 | 824 | ) |
|
821 | 825 | coreconfigitem('ui', 'rollback', |
|
822 | 826 | default=True, |
|
823 | 827 | ) |
|
824 | 828 | coreconfigitem('ui', 'slash', |
|
825 | 829 | default=False, |
|
826 | 830 | ) |
|
827 | 831 | coreconfigitem('ui', 'ssh', |
|
828 | 832 | default='ssh', |
|
829 | 833 | ) |
|
830 | 834 | coreconfigitem('ui', 'statuscopies', |
|
831 | 835 | default=False, |
|
832 | 836 | ) |
|
833 | 837 | coreconfigitem('ui', 'strict', |
|
834 | 838 | default=False, |
|
835 | 839 | ) |
|
836 | 840 | coreconfigitem('ui', 'style', |
|
837 | 841 | default='', |
|
838 | 842 | ) |
|
839 | 843 | coreconfigitem('ui', 'supportcontact', |
|
840 | 844 | default=None, |
|
841 | 845 | ) |
|
842 | 846 | coreconfigitem('ui', 'textwidth', |
|
843 | 847 | default=78, |
|
844 | 848 | ) |
|
845 | 849 | coreconfigitem('ui', 'timeout', |
|
846 | 850 | default='600', |
|
847 | 851 | ) |
|
848 | 852 | coreconfigitem('ui', 'traceback', |
|
849 | 853 | default=False, |
|
850 | 854 | ) |
|
851 | 855 | coreconfigitem('ui', 'tweakdefaults', |
|
852 | 856 | default=False, |
|
853 | 857 | ) |
|
854 | 858 | coreconfigitem('ui', 'usehttp2', |
|
855 | 859 | default=False, |
|
856 | 860 | ) |
|
857 | 861 | coreconfigitem('ui', 'username', |
|
858 | 862 | alias=[('ui', 'user')] |
|
859 | 863 | ) |
|
860 | 864 | coreconfigitem('ui', 'verbose', |
|
861 | 865 | default=False, |
|
862 | 866 | ) |
|
863 | 867 | coreconfigitem('verify', 'skipflags', |
|
864 | 868 | default=None, |
|
865 | 869 | ) |
|
866 | 870 | coreconfigitem('web', 'allowbz2', |
|
867 | 871 | default=False, |
|
868 | 872 | ) |
|
869 | 873 | coreconfigitem('web', 'allowgz', |
|
870 | 874 | default=False, |
|
871 | 875 | ) |
|
872 | 876 | coreconfigitem('web', 'allowpull', |
|
873 | 877 | default=True, |
|
874 | 878 | ) |
|
875 | 879 | coreconfigitem('web', 'allow_push', |
|
876 | 880 | default=list, |
|
877 | 881 | ) |
|
878 | 882 | coreconfigitem('web', 'allowzip', |
|
879 | 883 | default=False, |
|
880 | 884 | ) |
|
881 | 885 | coreconfigitem('web', 'cache', |
|
882 | 886 | default=True, |
|
883 | 887 | ) |
|
884 | 888 | coreconfigitem('web', 'contact', |
|
885 | 889 | default=None, |
|
886 | 890 | ) |
|
887 | 891 | coreconfigitem('web', 'deny_push', |
|
888 | 892 | default=list, |
|
889 | 893 | ) |
|
890 | 894 | coreconfigitem('web', 'guessmime', |
|
891 | 895 | default=False, |
|
892 | 896 | ) |
|
893 | 897 | coreconfigitem('web', 'hidden', |
|
894 | 898 | default=False, |
|
895 | 899 | ) |
|
896 | 900 | coreconfigitem('web', 'labels', |
|
897 | 901 | default=list, |
|
898 | 902 | ) |
|
899 | 903 | coreconfigitem('web', 'logoimg', |
|
900 | 904 | default='hglogo.png', |
|
901 | 905 | ) |
|
902 | 906 | coreconfigitem('web', 'logourl', |
|
903 | 907 | default='https://mercurial-scm.org/', |
|
904 | 908 | ) |
|
905 | 909 | coreconfigitem('web', 'accesslog', |
|
906 | 910 | default='-', |
|
907 | 911 | ) |
|
908 | 912 | coreconfigitem('web', 'address', |
|
909 | 913 | default='', |
|
910 | 914 | ) |
|
911 | 915 | coreconfigitem('web', 'allow_archive', |
|
912 | 916 | default=list, |
|
913 | 917 | ) |
|
914 | 918 | coreconfigitem('web', 'allow_read', |
|
915 | 919 | default=list, |
|
916 | 920 | ) |
|
917 | 921 | coreconfigitem('web', 'baseurl', |
|
918 | 922 | default=None, |
|
919 | 923 | ) |
|
920 | 924 | coreconfigitem('web', 'cacerts', |
|
921 | 925 | default=None, |
|
922 | 926 | ) |
|
923 | 927 | coreconfigitem('web', 'certificate', |
|
924 | 928 | default=None, |
|
925 | 929 | ) |
|
926 | 930 | coreconfigitem('web', 'collapse', |
|
927 | 931 | default=False, |
|
928 | 932 | ) |
|
929 | 933 | coreconfigitem('web', 'csp', |
|
930 | 934 | default=None, |
|
931 | 935 | ) |
|
932 | 936 | coreconfigitem('web', 'deny_read', |
|
933 | 937 | default=list, |
|
934 | 938 | ) |
|
935 | 939 | coreconfigitem('web', 'descend', |
|
936 | 940 | default=True, |
|
937 | 941 | ) |
|
938 | 942 | coreconfigitem('web', 'description', |
|
939 | 943 | default="", |
|
940 | 944 | ) |
|
941 | 945 | coreconfigitem('web', 'encoding', |
|
942 | 946 | default=lambda: encoding.encoding, |
|
943 | 947 | ) |
|
944 | 948 | coreconfigitem('web', 'errorlog', |
|
945 | 949 | default='-', |
|
946 | 950 | ) |
|
947 | 951 | coreconfigitem('web', 'ipv6', |
|
948 | 952 | default=False, |
|
949 | 953 | ) |
|
950 | 954 | coreconfigitem('web', 'maxchanges', |
|
951 | 955 | default=10, |
|
952 | 956 | ) |
|
953 | 957 | coreconfigitem('web', 'maxfiles', |
|
954 | 958 | default=10, |
|
955 | 959 | ) |
|
956 | 960 | coreconfigitem('web', 'maxshortchanges', |
|
957 | 961 | default=60, |
|
958 | 962 | ) |
|
959 | 963 | coreconfigitem('web', 'motd', |
|
960 | 964 | default='', |
|
961 | 965 | ) |
|
962 | 966 | coreconfigitem('web', 'name', |
|
963 | 967 | default=dynamicdefault, |
|
964 | 968 | ) |
|
965 | 969 | coreconfigitem('web', 'port', |
|
966 | 970 | default=8000, |
|
967 | 971 | ) |
|
968 | 972 | coreconfigitem('web', 'prefix', |
|
969 | 973 | default='', |
|
970 | 974 | ) |
|
971 | 975 | coreconfigitem('web', 'push_ssl', |
|
972 | 976 | default=True, |
|
973 | 977 | ) |
|
974 | 978 | coreconfigitem('web', 'refreshinterval', |
|
975 | 979 | default=20, |
|
976 | 980 | ) |
|
977 | 981 | coreconfigitem('web', 'staticurl', |
|
978 | 982 | default=None, |
|
979 | 983 | ) |
|
980 | 984 | coreconfigitem('web', 'stripes', |
|
981 | 985 | default=1, |
|
982 | 986 | ) |
|
983 | 987 | coreconfigitem('web', 'style', |
|
984 | 988 | default='paper', |
|
985 | 989 | ) |
|
986 | 990 | coreconfigitem('web', 'templates', |
|
987 | 991 | default=None, |
|
988 | 992 | ) |
|
989 | 993 | coreconfigitem('web', 'view', |
|
990 | 994 | default='served', |
|
991 | 995 | ) |
|
992 | 996 | coreconfigitem('worker', 'backgroundclose', |
|
993 | 997 | default=dynamicdefault, |
|
994 | 998 | ) |
|
995 | 999 | # Windows defaults to a limit of 512 open files. A buffer of 128 |
|
996 | 1000 | # should give us enough headway. |
|
997 | 1001 | coreconfigitem('worker', 'backgroundclosemaxqueue', |
|
998 | 1002 | default=384, |
|
999 | 1003 | ) |
|
1000 | 1004 | coreconfigitem('worker', 'backgroundcloseminfilecount', |
|
1001 | 1005 | default=2048, |
|
1002 | 1006 | ) |
|
1003 | 1007 | coreconfigitem('worker', 'backgroundclosethreadcount', |
|
1004 | 1008 | default=4, |
|
1005 | 1009 | ) |
|
1006 | 1010 | coreconfigitem('worker', 'numcpus', |
|
1007 | 1011 | default=None, |
|
1008 | 1012 | ) |
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1 | 1 | # sslutil.py - SSL handling for mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2005, 2006, 2007, 2008 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # Copyright 2006, 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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5 | 5 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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6 | 6 | # |
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7 | 7 | # This software may be used and distributed according to the terms of the |
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8 | 8 | # GNU General Public License version 2 or any later version. |
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9 | 9 | |
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10 | 10 | from __future__ import absolute_import |
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11 | 11 | |
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12 | 12 | import hashlib |
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13 | 13 | import os |
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14 | 14 | import re |
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15 | 15 | import ssl |
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16 | 16 | |
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17 | 17 | from .i18n import _ |
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18 | 18 | from . import ( |
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19 | 19 | error, |
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20 | 20 | pycompat, |
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21 | 21 | util, |
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22 | 22 | ) |
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23 | 23 | |
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24 | 24 | # Python 2.7.9+ overhauled the built-in SSL/TLS features of Python. It added |
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25 | 25 | # support for TLS 1.1, TLS 1.2, SNI, system CA stores, etc. These features are |
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26 | 26 | # all exposed via the "ssl" module. |
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27 | 27 | # |
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28 | 28 | # Depending on the version of Python being used, SSL/TLS support is either |
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29 | 29 | # modern/secure or legacy/insecure. Many operations in this module have |
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30 | 30 | # separate code paths depending on support in Python. |
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31 | 31 | |
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32 | 32 | configprotocols = { |
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33 | 33 | 'tls1.0', |
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34 | 34 | 'tls1.1', |
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35 | 35 | 'tls1.2', |
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36 | 36 | } |
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37 | 37 | |
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38 | 38 | hassni = getattr(ssl, 'HAS_SNI', False) |
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39 | 39 | |
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40 | 40 | # TLS 1.1 and 1.2 may not be supported if the OpenSSL Python is compiled |
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41 | 41 | # against doesn't support them. |
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42 | 42 | supportedprotocols = {'tls1.0'} |
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43 | 43 | if util.safehasattr(ssl, 'PROTOCOL_TLSv1_1'): |
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44 | 44 | supportedprotocols.add('tls1.1') |
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45 | 45 | if util.safehasattr(ssl, 'PROTOCOL_TLSv1_2'): |
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46 | 46 | supportedprotocols.add('tls1.2') |
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47 | 47 | |
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48 | 48 | try: |
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49 | 49 | # ssl.SSLContext was added in 2.7.9 and presence indicates modern |
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50 | 50 | # SSL/TLS features are available. |
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51 | 51 | SSLContext = ssl.SSLContext |
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52 | 52 | modernssl = True |
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53 | 53 | _canloaddefaultcerts = util.safehasattr(SSLContext, 'load_default_certs') |
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54 | 54 | except AttributeError: |
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55 | 55 | modernssl = False |
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56 | 56 | _canloaddefaultcerts = False |
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57 | 57 | |
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58 | 58 | # We implement SSLContext using the interface from the standard library. |
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59 | 59 | class SSLContext(object): |
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60 | 60 | def __init__(self, protocol): |
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61 | 61 | # From the public interface of SSLContext |
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62 | 62 | self.protocol = protocol |
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63 | 63 | self.check_hostname = False |
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64 | 64 | self.options = 0 |
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65 | 65 | self.verify_mode = ssl.CERT_NONE |
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66 | 66 | |
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67 | 67 | # Used by our implementation. |
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68 | 68 | self._certfile = None |
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69 | 69 | self._keyfile = None |
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70 | 70 | self._certpassword = None |
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71 | 71 | self._cacerts = None |
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72 | 72 | self._ciphers = None |
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73 | 73 | |
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74 | 74 | def load_cert_chain(self, certfile, keyfile=None, password=None): |
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75 | 75 | self._certfile = certfile |
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76 | 76 | self._keyfile = keyfile |
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77 | 77 | self._certpassword = password |
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78 | 78 | |
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79 | 79 | def load_default_certs(self, purpose=None): |
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80 | 80 | pass |
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81 | 81 | |
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82 | 82 | def load_verify_locations(self, cafile=None, capath=None, cadata=None): |
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83 | 83 | if capath: |
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84 | 84 | raise error.Abort(_('capath not supported')) |
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85 | 85 | if cadata: |
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86 | 86 | raise error.Abort(_('cadata not supported')) |
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87 | 87 | |
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88 | 88 | self._cacerts = cafile |
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89 | 89 | |
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90 | 90 | def set_ciphers(self, ciphers): |
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91 | 91 | self._ciphers = ciphers |
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92 | 92 | |
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93 | 93 | def wrap_socket(self, socket, server_hostname=None, server_side=False): |
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94 | 94 | # server_hostname is unique to SSLContext.wrap_socket and is used |
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95 | 95 | # for SNI in that context. So there's nothing for us to do with it |
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96 | 96 | # in this legacy code since we don't support SNI. |
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97 | 97 | |
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98 | 98 | args = { |
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99 | 99 | 'keyfile': self._keyfile, |
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100 | 100 | 'certfile': self._certfile, |
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101 | 101 | 'server_side': server_side, |
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102 | 102 | 'cert_reqs': self.verify_mode, |
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103 | 103 | 'ssl_version': self.protocol, |
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104 | 104 | 'ca_certs': self._cacerts, |
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105 | 105 | 'ciphers': self._ciphers, |
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106 | 106 | } |
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107 | 107 | |
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108 | 108 | return ssl.wrap_socket(socket, **args) |
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109 | 109 | |
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110 | 110 | def _hostsettings(ui, hostname): |
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111 | 111 | """Obtain security settings for a hostname. |
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112 | 112 | |
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113 | 113 | Returns a dict of settings relevant to that hostname. |
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114 | 114 | """ |
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115 | 115 | s = { |
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116 | 116 | # Whether we should attempt to load default/available CA certs |
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117 | 117 | # if an explicit ``cafile`` is not defined. |
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118 | 118 | 'allowloaddefaultcerts': True, |
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119 | 119 | # List of 2-tuple of (hash algorithm, hash). |
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120 | 120 | 'certfingerprints': [], |
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121 | 121 | # Path to file containing concatenated CA certs. Used by |
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122 | 122 | # SSLContext.load_verify_locations(). |
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123 | 123 | 'cafile': None, |
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124 | 124 | # Whether certificate verification should be disabled. |
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125 | 125 | 'disablecertverification': False, |
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126 | 126 | # Whether the legacy [hostfingerprints] section has data for this host. |
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127 | 127 | 'legacyfingerprint': False, |
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128 | 128 | # PROTOCOL_* constant to use for SSLContext.__init__. |
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129 | 129 | 'protocol': None, |
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130 | 130 | # String representation of minimum protocol to be used for UI |
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131 | 131 | # presentation. |
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132 | 132 | 'protocolui': None, |
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133 | 133 | # ssl.CERT_* constant used by SSLContext.verify_mode. |
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134 | 134 | 'verifymode': None, |
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135 | 135 | # Defines extra ssl.OP* bitwise options to set. |
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136 | 136 | 'ctxoptions': None, |
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137 | 137 | # OpenSSL Cipher List to use (instead of default). |
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138 | 138 | 'ciphers': None, |
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139 | 139 | } |
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140 | 140 | |
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141 | 141 | # Allow minimum TLS protocol to be specified in the config. |
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142 | 142 | def validateprotocol(protocol, key): |
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143 | 143 | if protocol not in configprotocols: |
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144 | 144 | raise error.Abort( |
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145 | 145 | _('unsupported protocol from hostsecurity.%s: %s') % |
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146 | 146 | (key, protocol), |
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147 | 147 | hint=_('valid protocols: %s') % |
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148 | 148 | ' '.join(sorted(configprotocols))) |
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149 | 149 | |
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150 | 150 | # We default to TLS 1.1+ where we can because TLS 1.0 has known |
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151 | 151 | # vulnerabilities (like BEAST and POODLE). We allow users to downgrade to |
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152 | 152 | # TLS 1.0+ via config options in case a legacy server is encountered. |
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153 | 153 | if 'tls1.1' in supportedprotocols: |
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154 | 154 | defaultprotocol = 'tls1.1' |
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155 | 155 | else: |
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156 | 156 | # Let people know they are borderline secure. |
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157 | 157 | # We don't document this config option because we want people to see |
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158 | 158 | # the bold warnings on the web site. |
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159 | 159 | # internal config: hostsecurity.disabletls10warning |
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160 | 160 | if not ui.configbool('hostsecurity', 'disabletls10warning'): |
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161 | 161 | ui.warn(_('warning: connecting to %s using legacy security ' |
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162 | 162 | 'technology (TLS 1.0); see ' |
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163 | 163 | 'https://mercurial-scm.org/wiki/SecureConnections for ' |
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164 | 164 | 'more info\n') % hostname) |
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165 | 165 | defaultprotocol = 'tls1.0' |
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166 | 166 | |
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167 | 167 | key = 'minimumprotocol' |
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168 | 168 | protocol = ui.config('hostsecurity', key, defaultprotocol) |
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169 | 169 | validateprotocol(protocol, key) |
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170 | 170 | |
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171 | 171 | key = '%s:minimumprotocol' % hostname |
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172 | 172 | protocol = ui.config('hostsecurity', key, protocol) |
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173 | 173 | validateprotocol(protocol, key) |
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174 | 174 | |
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175 | 175 | # If --insecure is used, we allow the use of TLS 1.0 despite config options. |
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176 | 176 | # We always print a "connection security to %s is disabled..." message when |
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177 | 177 | # --insecure is used. So no need to print anything more here. |
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178 | 178 | if ui.insecureconnections: |
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179 | 179 | protocol = 'tls1.0' |
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180 | 180 | |
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181 | 181 | s['protocol'], s['ctxoptions'], s['protocolui'] = protocolsettings(protocol) |
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182 | 182 | |
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183 | 183 | ciphers = ui.config('hostsecurity', 'ciphers') |
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184 | 184 | ciphers = ui.config('hostsecurity', '%s:ciphers' % hostname, ciphers) |
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185 | 185 | s['ciphers'] = ciphers |
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186 | 186 | |
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187 | 187 | # Look for fingerprints in [hostsecurity] section. Value is a list |
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188 | 188 | # of <alg>:<fingerprint> strings. |
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189 |
fingerprints = ui.configlist('hostsecurity', '%s:fingerprints' % hostname |
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190 | []) | |
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189 | fingerprints = ui.configlist('hostsecurity', '%s:fingerprints' % hostname) | |
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191 | 190 | for fingerprint in fingerprints: |
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192 | 191 | if not (fingerprint.startswith(('sha1:', 'sha256:', 'sha512:'))): |
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193 | 192 | raise error.Abort(_('invalid fingerprint for %s: %s') % ( |
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194 | 193 | hostname, fingerprint), |
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195 | 194 | hint=_('must begin with "sha1:", "sha256:", ' |
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196 | 195 | 'or "sha512:"')) |
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197 | 196 | |
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198 | 197 | alg, fingerprint = fingerprint.split(':', 1) |
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199 | 198 | fingerprint = fingerprint.replace(':', '').lower() |
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200 | 199 | s['certfingerprints'].append((alg, fingerprint)) |
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201 | 200 | |
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202 | 201 | # Fingerprints from [hostfingerprints] are always SHA-1. |
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203 | 202 | for fingerprint in ui.configlist('hostfingerprints', hostname): |
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204 | 203 | fingerprint = fingerprint.replace(':', '').lower() |
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205 | 204 | s['certfingerprints'].append(('sha1', fingerprint)) |
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206 | 205 | s['legacyfingerprint'] = True |
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207 | 206 | |
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208 | 207 | # If a host cert fingerprint is defined, it is the only thing that |
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209 | 208 | # matters. No need to validate CA certs. |
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210 | 209 | if s['certfingerprints']: |
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211 | 210 | s['verifymode'] = ssl.CERT_NONE |
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212 | 211 | s['allowloaddefaultcerts'] = False |
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213 | 212 | |
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214 | 213 | # If --insecure is used, don't take CAs into consideration. |
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215 | 214 | elif ui.insecureconnections: |
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216 | 215 | s['disablecertverification'] = True |
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217 | 216 | s['verifymode'] = ssl.CERT_NONE |
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218 | 217 | s['allowloaddefaultcerts'] = False |
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219 | 218 | |
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220 | 219 | if ui.configbool('devel', 'disableloaddefaultcerts'): |
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221 | 220 | s['allowloaddefaultcerts'] = False |
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222 | 221 | |
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223 | 222 | # If both fingerprints and a per-host ca file are specified, issue a warning |
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224 | 223 | # because users should not be surprised about what security is or isn't |
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225 | 224 | # being performed. |
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226 | 225 | cafile = ui.config('hostsecurity', '%s:verifycertsfile' % hostname) |
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227 | 226 | if s['certfingerprints'] and cafile: |
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228 | 227 | ui.warn(_('(hostsecurity.%s:verifycertsfile ignored when host ' |
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229 | 228 | 'fingerprints defined; using host fingerprints for ' |
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230 | 229 | 'verification)\n') % hostname) |
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231 | 230 | |
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232 | 231 | # Try to hook up CA certificate validation unless something above |
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233 | 232 | # makes it not necessary. |
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234 | 233 | if s['verifymode'] is None: |
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235 | 234 | # Look at per-host ca file first. |
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236 | 235 | if cafile: |
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237 | 236 | cafile = util.expandpath(cafile) |
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238 | 237 | if not os.path.exists(cafile): |
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239 | 238 | raise error.Abort(_('path specified by %s does not exist: %s') % |
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240 | 239 | ('hostsecurity.%s:verifycertsfile' % hostname, |
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241 | 240 | cafile)) |
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242 | 241 | s['cafile'] = cafile |
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243 | 242 | else: |
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244 | 243 | # Find global certificates file in config. |
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245 | 244 | cafile = ui.config('web', 'cacerts') |
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246 | 245 | |
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247 | 246 | if cafile: |
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248 | 247 | cafile = util.expandpath(cafile) |
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249 | 248 | if not os.path.exists(cafile): |
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250 | 249 | raise error.Abort(_('could not find web.cacerts: %s') % |
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251 | 250 | cafile) |
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252 | 251 | elif s['allowloaddefaultcerts']: |
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253 | 252 | # CAs not defined in config. Try to find system bundles. |
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254 | 253 | cafile = _defaultcacerts(ui) |
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255 | 254 | if cafile: |
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256 | 255 | ui.debug('using %s for CA file\n' % cafile) |
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257 | 256 | |
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258 | 257 | s['cafile'] = cafile |
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259 | 258 | |
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260 | 259 | # Require certificate validation if CA certs are being loaded and |
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261 | 260 | # verification hasn't been disabled above. |
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262 | 261 | if cafile or (_canloaddefaultcerts and s['allowloaddefaultcerts']): |
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263 | 262 | s['verifymode'] = ssl.CERT_REQUIRED |
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264 | 263 | else: |
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265 | 264 | # At this point we don't have a fingerprint, aren't being |
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266 | 265 | # explicitly insecure, and can't load CA certs. Connecting |
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267 | 266 | # is insecure. We allow the connection and abort during |
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268 | 267 | # validation (once we have the fingerprint to print to the |
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269 | 268 | # user). |
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270 | 269 | s['verifymode'] = ssl.CERT_NONE |
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271 | 270 | |
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272 | 271 | assert s['protocol'] is not None |
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273 | 272 | assert s['ctxoptions'] is not None |
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274 | 273 | assert s['verifymode'] is not None |
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275 | 274 | |
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276 | 275 | return s |
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277 | 276 | |
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278 | 277 | def protocolsettings(protocol): |
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279 | 278 | """Resolve the protocol for a config value. |
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280 | 279 | |
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281 | 280 | Returns a 3-tuple of (protocol, options, ui value) where the first |
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282 | 281 | 2 items are values used by SSLContext and the last is a string value |
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283 | 282 | of the ``minimumprotocol`` config option equivalent. |
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284 | 283 | """ |
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285 | 284 | if protocol not in configprotocols: |
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286 | 285 | raise ValueError('protocol value not supported: %s' % protocol) |
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287 | 286 | |
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288 | 287 | # Despite its name, PROTOCOL_SSLv23 selects the highest protocol |
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289 | 288 | # that both ends support, including TLS protocols. On legacy stacks, |
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290 | 289 | # the highest it likely goes is TLS 1.0. On modern stacks, it can |
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291 | 290 | # support TLS 1.2. |
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292 | 291 | # |
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293 | 292 | # The PROTOCOL_TLSv* constants select a specific TLS version |
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294 | 293 | # only (as opposed to multiple versions). So the method for |
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295 | 294 | # supporting multiple TLS versions is to use PROTOCOL_SSLv23 and |
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296 | 295 | # disable protocols via SSLContext.options and OP_NO_* constants. |
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297 | 296 | # However, SSLContext.options doesn't work unless we have the |
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298 | 297 | # full/real SSLContext available to us. |
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299 | 298 | if supportedprotocols == {'tls1.0'}: |
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300 | 299 | if protocol != 'tls1.0': |
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301 | 300 | raise error.Abort(_('current Python does not support protocol ' |
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302 | 301 | 'setting %s') % protocol, |
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303 | 302 | hint=_('upgrade Python or disable setting since ' |
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304 | 303 | 'only TLS 1.0 is supported')) |
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305 | 304 | |
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306 | 305 | return ssl.PROTOCOL_TLSv1, 0, 'tls1.0' |
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307 | 306 | |
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308 | 307 | # WARNING: returned options don't work unless the modern ssl module |
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309 | 308 | # is available. Be careful when adding options here. |
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310 | 309 | |
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311 | 310 | # SSLv2 and SSLv3 are broken. We ban them outright. |
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312 | 311 | options = ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 |
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313 | 312 | |
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314 | 313 | if protocol == 'tls1.0': |
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315 | 314 | # Defaults above are to use TLS 1.0+ |
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316 | 315 | pass |
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317 | 316 | elif protocol == 'tls1.1': |
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318 | 317 | options |= ssl.OP_NO_TLSv1 |
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319 | 318 | elif protocol == 'tls1.2': |
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320 | 319 | options |= ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1 |
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321 | 320 | else: |
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322 | 321 | raise error.Abort(_('this should not happen')) |
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323 | 322 | |
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324 | 323 | # Prevent CRIME. |
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325 | 324 | # There is no guarantee this attribute is defined on the module. |
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326 | 325 | options |= getattr(ssl, 'OP_NO_COMPRESSION', 0) |
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327 | 326 | |
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328 | 327 | return ssl.PROTOCOL_SSLv23, options, protocol |
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329 | 328 | |
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330 | 329 | def wrapsocket(sock, keyfile, certfile, ui, serverhostname=None): |
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331 | 330 | """Add SSL/TLS to a socket. |
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332 | 331 | |
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333 | 332 | This is a glorified wrapper for ``ssl.wrap_socket()``. It makes sane |
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334 | 333 | choices based on what security options are available. |
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335 | 334 | |
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336 | 335 | In addition to the arguments supported by ``ssl.wrap_socket``, we allow |
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337 | 336 | the following additional arguments: |
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338 | 337 | |
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339 | 338 | * serverhostname - The expected hostname of the remote server. If the |
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340 | 339 | server (and client) support SNI, this tells the server which certificate |
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341 | 340 | to use. |
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342 | 341 | """ |
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343 | 342 | if not serverhostname: |
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344 | 343 | raise error.Abort(_('serverhostname argument is required')) |
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345 | 344 | |
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346 | 345 | for f in (keyfile, certfile): |
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347 | 346 | if f and not os.path.exists(f): |
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348 | 347 | raise error.Abort(_('certificate file (%s) does not exist; ' |
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349 | 348 | 'cannot connect to %s') % (f, serverhostname), |
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350 | 349 | hint=_('restore missing file or fix references ' |
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351 | 350 | 'in Mercurial config')) |
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352 | 351 | |
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353 | 352 | settings = _hostsettings(ui, serverhostname) |
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354 | 353 | |
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355 | 354 | # We can't use ssl.create_default_context() because it calls |
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356 | 355 | # load_default_certs() unless CA arguments are passed to it. We want to |
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357 | 356 | # have explicit control over CA loading because implicitly loading |
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358 | 357 | # CAs may undermine the user's intent. For example, a user may define a CA |
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359 | 358 | # bundle with a specific CA cert removed. If the system/default CA bundle |
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360 | 359 | # is loaded and contains that removed CA, you've just undone the user's |
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361 | 360 | # choice. |
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362 | 361 | sslcontext = SSLContext(settings['protocol']) |
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363 | 362 | |
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364 | 363 | # This is a no-op unless using modern ssl. |
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365 | 364 | sslcontext.options |= settings['ctxoptions'] |
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366 | 365 | |
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367 | 366 | # This still works on our fake SSLContext. |
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368 | 367 | sslcontext.verify_mode = settings['verifymode'] |
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369 | 368 | |
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370 | 369 | if settings['ciphers']: |
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371 | 370 | try: |
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372 | 371 | sslcontext.set_ciphers(settings['ciphers']) |
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373 | 372 | except ssl.SSLError as e: |
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374 | 373 | raise error.Abort(_('could not set ciphers: %s') % e.args[0], |
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375 | 374 | hint=_('change cipher string (%s) in config') % |
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376 | 375 | settings['ciphers']) |
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377 | 376 | |
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378 | 377 | if certfile is not None: |
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379 | 378 | def password(): |
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380 | 379 | f = keyfile or certfile |
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381 | 380 | return ui.getpass(_('passphrase for %s: ') % f, '') |
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382 | 381 | sslcontext.load_cert_chain(certfile, keyfile, password) |
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383 | 382 | |
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384 | 383 | if settings['cafile'] is not None: |
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385 | 384 | try: |
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386 | 385 | sslcontext.load_verify_locations(cafile=settings['cafile']) |
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387 | 386 | except ssl.SSLError as e: |
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388 | 387 | if len(e.args) == 1: # pypy has different SSLError args |
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389 | 388 | msg = e.args[0] |
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390 | 389 | else: |
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391 | 390 | msg = e.args[1] |
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392 | 391 | raise error.Abort(_('error loading CA file %s: %s') % ( |
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393 | 392 | settings['cafile'], msg), |
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394 | 393 | hint=_('file is empty or malformed?')) |
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395 | 394 | caloaded = True |
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396 | 395 | elif settings['allowloaddefaultcerts']: |
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397 | 396 | # This is a no-op on old Python. |
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398 | 397 | sslcontext.load_default_certs() |
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399 | 398 | caloaded = True |
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400 | 399 | else: |
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401 | 400 | caloaded = False |
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402 | 401 | |
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403 | 402 | try: |
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404 | 403 | sslsocket = sslcontext.wrap_socket(sock, server_hostname=serverhostname) |
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405 | 404 | except ssl.SSLError as e: |
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406 | 405 | # If we're doing certificate verification and no CA certs are loaded, |
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407 | 406 | # that is almost certainly the reason why verification failed. Provide |
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408 | 407 | # a hint to the user. |
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409 | 408 | # Only modern ssl module exposes SSLContext.get_ca_certs() so we can |
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410 | 409 | # only show this warning if modern ssl is available. |
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411 | 410 | # The exception handler is here to handle bugs around cert attributes: |
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412 | 411 | # https://bugs.python.org/issue20916#msg213479. (See issues5313.) |
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413 | 412 | # When the main 20916 bug occurs, 'sslcontext.get_ca_certs()' is a |
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414 | 413 | # non-empty list, but the following conditional is otherwise True. |
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415 | 414 | try: |
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416 | 415 | if (caloaded and settings['verifymode'] == ssl.CERT_REQUIRED and |
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417 | 416 | modernssl and not sslcontext.get_ca_certs()): |
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418 | 417 | ui.warn(_('(an attempt was made to load CA certificates but ' |
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419 | 418 | 'none were loaded; see ' |
|
420 | 419 | 'https://mercurial-scm.org/wiki/SecureConnections ' |
|
421 | 420 | 'for how to configure Mercurial to avoid this ' |
|
422 | 421 | 'error)\n')) |
|
423 | 422 | except ssl.SSLError: |
|
424 | 423 | pass |
|
425 | 424 | # Try to print more helpful error messages for known failures. |
|
426 | 425 | if util.safehasattr(e, 'reason'): |
|
427 | 426 | # This error occurs when the client and server don't share a |
|
428 | 427 | # common/supported SSL/TLS protocol. We've disabled SSLv2 and SSLv3 |
|
429 | 428 | # outright. Hopefully the reason for this error is that we require |
|
430 | 429 | # TLS 1.1+ and the server only supports TLS 1.0. Whatever the |
|
431 | 430 | # reason, try to emit an actionable warning. |
|
432 | 431 | if e.reason == 'UNSUPPORTED_PROTOCOL': |
|
433 | 432 | # We attempted TLS 1.0+. |
|
434 | 433 | if settings['protocolui'] == 'tls1.0': |
|
435 | 434 | # We support more than just TLS 1.0+. If this happens, |
|
436 | 435 | # the likely scenario is either the client or the server |
|
437 | 436 | # is really old. (e.g. server doesn't support TLS 1.0+ or |
|
438 | 437 | # client doesn't support modern TLS versions introduced |
|
439 | 438 | # several years from when this comment was written). |
|
440 | 439 | if supportedprotocols != {'tls1.0'}: |
|
441 | 440 | ui.warn(_( |
|
442 | 441 | '(could not communicate with %s using security ' |
|
443 | 442 | 'protocols %s; if you are using a modern Mercurial ' |
|
444 | 443 | 'version, consider contacting the operator of this ' |
|
445 | 444 | 'server; see ' |
|
446 | 445 | 'https://mercurial-scm.org/wiki/SecureConnections ' |
|
447 | 446 | 'for more info)\n') % ( |
|
448 | 447 | serverhostname, |
|
449 | 448 | ', '.join(sorted(supportedprotocols)))) |
|
450 | 449 | else: |
|
451 | 450 | ui.warn(_( |
|
452 | 451 | '(could not communicate with %s using TLS 1.0; the ' |
|
453 | 452 | 'likely cause of this is the server no longer ' |
|
454 | 453 | 'supports TLS 1.0 because it has known security ' |
|
455 | 454 | 'vulnerabilities; see ' |
|
456 | 455 | 'https://mercurial-scm.org/wiki/SecureConnections ' |
|
457 | 456 | 'for more info)\n') % serverhostname) |
|
458 | 457 | else: |
|
459 | 458 | # We attempted TLS 1.1+. We can only get here if the client |
|
460 | 459 | # supports the configured protocol. So the likely reason is |
|
461 | 460 | # the client wants better security than the server can |
|
462 | 461 | # offer. |
|
463 | 462 | ui.warn(_( |
|
464 | 463 | '(could not negotiate a common security protocol (%s+) ' |
|
465 | 464 | 'with %s; the likely cause is Mercurial is configured ' |
|
466 | 465 | 'to be more secure than the server can support)\n') % ( |
|
467 | 466 | settings['protocolui'], serverhostname)) |
|
468 | 467 | ui.warn(_('(consider contacting the operator of this ' |
|
469 | 468 | 'server and ask them to support modern TLS ' |
|
470 | 469 | 'protocol versions; or, set ' |
|
471 | 470 | 'hostsecurity.%s:minimumprotocol=tls1.0 to allow ' |
|
472 | 471 | 'use of legacy, less secure protocols when ' |
|
473 | 472 | 'communicating with this server)\n') % |
|
474 | 473 | serverhostname) |
|
475 | 474 | ui.warn(_( |
|
476 | 475 | '(see https://mercurial-scm.org/wiki/SecureConnections ' |
|
477 | 476 | 'for more info)\n')) |
|
478 | 477 | |
|
479 | 478 | elif (e.reason == 'CERTIFICATE_VERIFY_FAILED' and |
|
480 | 479 | pycompat.iswindows): |
|
481 | 480 | |
|
482 | 481 | ui.warn(_('(the full certificate chain may not be available ' |
|
483 | 482 | 'locally; see "hg help debugssl")\n')) |
|
484 | 483 | raise |
|
485 | 484 | |
|
486 | 485 | # check if wrap_socket failed silently because socket had been |
|
487 | 486 | # closed |
|
488 | 487 | # - see http://bugs.python.org/issue13721 |
|
489 | 488 | if not sslsocket.cipher(): |
|
490 | 489 | raise error.Abort(_('ssl connection failed')) |
|
491 | 490 | |
|
492 | 491 | sslsocket._hgstate = { |
|
493 | 492 | 'caloaded': caloaded, |
|
494 | 493 | 'hostname': serverhostname, |
|
495 | 494 | 'settings': settings, |
|
496 | 495 | 'ui': ui, |
|
497 | 496 | } |
|
498 | 497 | |
|
499 | 498 | return sslsocket |
|
500 | 499 | |
|
501 | 500 | def wrapserversocket(sock, ui, certfile=None, keyfile=None, cafile=None, |
|
502 | 501 | requireclientcert=False): |
|
503 | 502 | """Wrap a socket for use by servers. |
|
504 | 503 | |
|
505 | 504 | ``certfile`` and ``keyfile`` specify the files containing the certificate's |
|
506 | 505 | public and private keys, respectively. Both keys can be defined in the same |
|
507 | 506 | file via ``certfile`` (the private key must come first in the file). |
|
508 | 507 | |
|
509 | 508 | ``cafile`` defines the path to certificate authorities. |
|
510 | 509 | |
|
511 | 510 | ``requireclientcert`` specifies whether to require client certificates. |
|
512 | 511 | |
|
513 | 512 | Typically ``cafile`` is only defined if ``requireclientcert`` is true. |
|
514 | 513 | """ |
|
515 | 514 | # This function is not used much by core Mercurial, so the error messaging |
|
516 | 515 | # doesn't have to be as detailed as for wrapsocket(). |
|
517 | 516 | for f in (certfile, keyfile, cafile): |
|
518 | 517 | if f and not os.path.exists(f): |
|
519 | 518 | raise error.Abort(_('referenced certificate file (%s) does not ' |
|
520 | 519 | 'exist') % f) |
|
521 | 520 | |
|
522 | 521 | protocol, options, _protocolui = protocolsettings('tls1.0') |
|
523 | 522 | |
|
524 | 523 | # This config option is intended for use in tests only. It is a giant |
|
525 | 524 | # footgun to kill security. Don't define it. |
|
526 | 525 | exactprotocol = ui.config('devel', 'serverexactprotocol') |
|
527 | 526 | if exactprotocol == 'tls1.0': |
|
528 | 527 | protocol = ssl.PROTOCOL_TLSv1 |
|
529 | 528 | elif exactprotocol == 'tls1.1': |
|
530 | 529 | if 'tls1.1' not in supportedprotocols: |
|
531 | 530 | raise error.Abort(_('TLS 1.1 not supported by this Python')) |
|
532 | 531 | protocol = ssl.PROTOCOL_TLSv1_1 |
|
533 | 532 | elif exactprotocol == 'tls1.2': |
|
534 | 533 | if 'tls1.2' not in supportedprotocols: |
|
535 | 534 | raise error.Abort(_('TLS 1.2 not supported by this Python')) |
|
536 | 535 | protocol = ssl.PROTOCOL_TLSv1_2 |
|
537 | 536 | elif exactprotocol: |
|
538 | 537 | raise error.Abort(_('invalid value for serverexactprotocol: %s') % |
|
539 | 538 | exactprotocol) |
|
540 | 539 | |
|
541 | 540 | if modernssl: |
|
542 | 541 | # We /could/ use create_default_context() here since it doesn't load |
|
543 | 542 | # CAs when configured for client auth. However, it is hard-coded to |
|
544 | 543 | # use ssl.PROTOCOL_SSLv23 which may not be appropriate here. |
|
545 | 544 | sslcontext = SSLContext(protocol) |
|
546 | 545 | sslcontext.options |= options |
|
547 | 546 | |
|
548 | 547 | # Improve forward secrecy. |
|
549 | 548 | sslcontext.options |= getattr(ssl, 'OP_SINGLE_DH_USE', 0) |
|
550 | 549 | sslcontext.options |= getattr(ssl, 'OP_SINGLE_ECDH_USE', 0) |
|
551 | 550 | |
|
552 | 551 | # Use the list of more secure ciphers if found in the ssl module. |
|
553 | 552 | if util.safehasattr(ssl, '_RESTRICTED_SERVER_CIPHERS'): |
|
554 | 553 | sslcontext.options |= getattr(ssl, 'OP_CIPHER_SERVER_PREFERENCE', 0) |
|
555 | 554 | sslcontext.set_ciphers(ssl._RESTRICTED_SERVER_CIPHERS) |
|
556 | 555 | else: |
|
557 | 556 | sslcontext = SSLContext(ssl.PROTOCOL_TLSv1) |
|
558 | 557 | |
|
559 | 558 | if requireclientcert: |
|
560 | 559 | sslcontext.verify_mode = ssl.CERT_REQUIRED |
|
561 | 560 | else: |
|
562 | 561 | sslcontext.verify_mode = ssl.CERT_NONE |
|
563 | 562 | |
|
564 | 563 | if certfile or keyfile: |
|
565 | 564 | sslcontext.load_cert_chain(certfile=certfile, keyfile=keyfile) |
|
566 | 565 | |
|
567 | 566 | if cafile: |
|
568 | 567 | sslcontext.load_verify_locations(cafile=cafile) |
|
569 | 568 | |
|
570 | 569 | return sslcontext.wrap_socket(sock, server_side=True) |
|
571 | 570 | |
|
572 | 571 | class wildcarderror(Exception): |
|
573 | 572 | """Represents an error parsing wildcards in DNS name.""" |
|
574 | 573 | |
|
575 | 574 | def _dnsnamematch(dn, hostname, maxwildcards=1): |
|
576 | 575 | """Match DNS names according RFC 6125 section 6.4.3. |
|
577 | 576 | |
|
578 | 577 | This code is effectively copied from CPython's ssl._dnsname_match. |
|
579 | 578 | |
|
580 | 579 | Returns a bool indicating whether the expected hostname matches |
|
581 | 580 | the value in ``dn``. |
|
582 | 581 | """ |
|
583 | 582 | pats = [] |
|
584 | 583 | if not dn: |
|
585 | 584 | return False |
|
586 | 585 | |
|
587 | 586 | pieces = dn.split(r'.') |
|
588 | 587 | leftmost = pieces[0] |
|
589 | 588 | remainder = pieces[1:] |
|
590 | 589 | wildcards = leftmost.count('*') |
|
591 | 590 | if wildcards > maxwildcards: |
|
592 | 591 | raise wildcarderror( |
|
593 | 592 | _('too many wildcards in certificate DNS name: %s') % dn) |
|
594 | 593 | |
|
595 | 594 | # speed up common case w/o wildcards |
|
596 | 595 | if not wildcards: |
|
597 | 596 | return dn.lower() == hostname.lower() |
|
598 | 597 | |
|
599 | 598 | # RFC 6125, section 6.4.3, subitem 1. |
|
600 | 599 | # The client SHOULD NOT attempt to match a presented identifier in which |
|
601 | 600 | # the wildcard character comprises a label other than the left-most label. |
|
602 | 601 | if leftmost == '*': |
|
603 | 602 | # When '*' is a fragment by itself, it matches a non-empty dotless |
|
604 | 603 | # fragment. |
|
605 | 604 | pats.append('[^.]+') |
|
606 | 605 | elif leftmost.startswith('xn--') or hostname.startswith('xn--'): |
|
607 | 606 | # RFC 6125, section 6.4.3, subitem 3. |
|
608 | 607 | # The client SHOULD NOT attempt to match a presented identifier |
|
609 | 608 | # where the wildcard character is embedded within an A-label or |
|
610 | 609 | # U-label of an internationalized domain name. |
|
611 | 610 | pats.append(re.escape(leftmost)) |
|
612 | 611 | else: |
|
613 | 612 | # Otherwise, '*' matches any dotless string, e.g. www* |
|
614 | 613 | pats.append(re.escape(leftmost).replace(r'\*', '[^.]*')) |
|
615 | 614 | |
|
616 | 615 | # add the remaining fragments, ignore any wildcards |
|
617 | 616 | for frag in remainder: |
|
618 | 617 | pats.append(re.escape(frag)) |
|
619 | 618 | |
|
620 | 619 | pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) |
|
621 | 620 | return pat.match(hostname) is not None |
|
622 | 621 | |
|
623 | 622 | def _verifycert(cert, hostname): |
|
624 | 623 | '''Verify that cert (in socket.getpeercert() format) matches hostname. |
|
625 | 624 | CRLs is not handled. |
|
626 | 625 | |
|
627 | 626 | Returns error message if any problems are found and None on success. |
|
628 | 627 | ''' |
|
629 | 628 | if not cert: |
|
630 | 629 | return _('no certificate received') |
|
631 | 630 | |
|
632 | 631 | dnsnames = [] |
|
633 | 632 | san = cert.get('subjectAltName', []) |
|
634 | 633 | for key, value in san: |
|
635 | 634 | if key == 'DNS': |
|
636 | 635 | try: |
|
637 | 636 | if _dnsnamematch(value, hostname): |
|
638 | 637 | return |
|
639 | 638 | except wildcarderror as e: |
|
640 | 639 | return e.args[0] |
|
641 | 640 | |
|
642 | 641 | dnsnames.append(value) |
|
643 | 642 | |
|
644 | 643 | if not dnsnames: |
|
645 | 644 | # The subject is only checked when there is no DNS in subjectAltName. |
|
646 | 645 | for sub in cert.get('subject', []): |
|
647 | 646 | for key, value in sub: |
|
648 | 647 | # According to RFC 2818 the most specific Common Name must |
|
649 | 648 | # be used. |
|
650 | 649 | if key == 'commonName': |
|
651 | 650 | # 'subject' entries are unicode. |
|
652 | 651 | try: |
|
653 | 652 | value = value.encode('ascii') |
|
654 | 653 | except UnicodeEncodeError: |
|
655 | 654 | return _('IDN in certificate not supported') |
|
656 | 655 | |
|
657 | 656 | try: |
|
658 | 657 | if _dnsnamematch(value, hostname): |
|
659 | 658 | return |
|
660 | 659 | except wildcarderror as e: |
|
661 | 660 | return e.args[0] |
|
662 | 661 | |
|
663 | 662 | dnsnames.append(value) |
|
664 | 663 | |
|
665 | 664 | if len(dnsnames) > 1: |
|
666 | 665 | return _('certificate is for %s') % ', '.join(dnsnames) |
|
667 | 666 | elif len(dnsnames) == 1: |
|
668 | 667 | return _('certificate is for %s') % dnsnames[0] |
|
669 | 668 | else: |
|
670 | 669 | return _('no commonName or subjectAltName found in certificate') |
|
671 | 670 | |
|
672 | 671 | def _plainapplepython(): |
|
673 | 672 | """return true if this seems to be a pure Apple Python that |
|
674 | 673 | * is unfrozen and presumably has the whole mercurial module in the file |
|
675 | 674 | system |
|
676 | 675 | * presumably is an Apple Python that uses Apple OpenSSL which has patches |
|
677 | 676 | for using system certificate store CAs in addition to the provided |
|
678 | 677 | cacerts file |
|
679 | 678 | """ |
|
680 | 679 | if (not pycompat.isdarwin or util.mainfrozen() or |
|
681 | 680 | not pycompat.sysexecutable): |
|
682 | 681 | return False |
|
683 | 682 | exe = os.path.realpath(pycompat.sysexecutable).lower() |
|
684 | 683 | return (exe.startswith('/usr/bin/python') or |
|
685 | 684 | exe.startswith('/system/library/frameworks/python.framework/')) |
|
686 | 685 | |
|
687 | 686 | _systemcacertpaths = [ |
|
688 | 687 | # RHEL, CentOS, and Fedora |
|
689 | 688 | '/etc/pki/tls/certs/ca-bundle.trust.crt', |
|
690 | 689 | # Debian, Ubuntu, Gentoo |
|
691 | 690 | '/etc/ssl/certs/ca-certificates.crt', |
|
692 | 691 | ] |
|
693 | 692 | |
|
694 | 693 | def _defaultcacerts(ui): |
|
695 | 694 | """return path to default CA certificates or None. |
|
696 | 695 | |
|
697 | 696 | It is assumed this function is called when the returned certificates |
|
698 | 697 | file will actually be used to validate connections. Therefore this |
|
699 | 698 | function may print warnings or debug messages assuming this usage. |
|
700 | 699 | |
|
701 | 700 | We don't print a message when the Python is able to load default |
|
702 | 701 | CA certs because this scenario is detected at socket connect time. |
|
703 | 702 | """ |
|
704 | 703 | # The "certifi" Python package provides certificates. If it is installed |
|
705 | 704 | # and usable, assume the user intends it to be used and use it. |
|
706 | 705 | try: |
|
707 | 706 | import certifi |
|
708 | 707 | certs = certifi.where() |
|
709 | 708 | if os.path.exists(certs): |
|
710 | 709 | ui.debug('using ca certificates from certifi\n') |
|
711 | 710 | return certs |
|
712 | 711 | except (ImportError, AttributeError): |
|
713 | 712 | pass |
|
714 | 713 | |
|
715 | 714 | # On Windows, only the modern ssl module is capable of loading the system |
|
716 | 715 | # CA certificates. If we're not capable of doing that, emit a warning |
|
717 | 716 | # because we'll get a certificate verification error later and the lack |
|
718 | 717 | # of loaded CA certificates will be the reason why. |
|
719 | 718 | # Assertion: this code is only called if certificates are being verified. |
|
720 | 719 | if pycompat.iswindows: |
|
721 | 720 | if not _canloaddefaultcerts: |
|
722 | 721 | ui.warn(_('(unable to load Windows CA certificates; see ' |
|
723 | 722 | 'https://mercurial-scm.org/wiki/SecureConnections for ' |
|
724 | 723 | 'how to configure Mercurial to avoid this message)\n')) |
|
725 | 724 | |
|
726 | 725 | return None |
|
727 | 726 | |
|
728 | 727 | # Apple's OpenSSL has patches that allow a specially constructed certificate |
|
729 | 728 | # to load the system CA store. If we're running on Apple Python, use this |
|
730 | 729 | # trick. |
|
731 | 730 | if _plainapplepython(): |
|
732 | 731 | dummycert = os.path.join( |
|
733 | 732 | os.path.dirname(pycompat.fsencode(__file__)), 'dummycert.pem') |
|
734 | 733 | if os.path.exists(dummycert): |
|
735 | 734 | return dummycert |
|
736 | 735 | |
|
737 | 736 | # The Apple OpenSSL trick isn't available to us. If Python isn't able to |
|
738 | 737 | # load system certs, we're out of luck. |
|
739 | 738 | if pycompat.isdarwin: |
|
740 | 739 | # FUTURE Consider looking for Homebrew or MacPorts installed certs |
|
741 | 740 | # files. Also consider exporting the keychain certs to a file during |
|
742 | 741 | # Mercurial install. |
|
743 | 742 | if not _canloaddefaultcerts: |
|
744 | 743 | ui.warn(_('(unable to load CA certificates; see ' |
|
745 | 744 | 'https://mercurial-scm.org/wiki/SecureConnections for ' |
|
746 | 745 | 'how to configure Mercurial to avoid this message)\n')) |
|
747 | 746 | return None |
|
748 | 747 | |
|
749 | 748 | # / is writable on Windows. Out of an abundance of caution make sure |
|
750 | 749 | # we're not on Windows because paths from _systemcacerts could be installed |
|
751 | 750 | # by non-admin users. |
|
752 | 751 | assert not pycompat.iswindows |
|
753 | 752 | |
|
754 | 753 | # Try to find CA certificates in well-known locations. We print a warning |
|
755 | 754 | # when using a found file because we don't want too much silent magic |
|
756 | 755 | # for security settings. The expectation is that proper Mercurial |
|
757 | 756 | # installs will have the CA certs path defined at install time and the |
|
758 | 757 | # installer/packager will make an appropriate decision on the user's |
|
759 | 758 | # behalf. We only get here and perform this setting as a feature of |
|
760 | 759 | # last resort. |
|
761 | 760 | if not _canloaddefaultcerts: |
|
762 | 761 | for path in _systemcacertpaths: |
|
763 | 762 | if os.path.isfile(path): |
|
764 | 763 | ui.warn(_('(using CA certificates from %s; if you see this ' |
|
765 | 764 | 'message, your Mercurial install is not properly ' |
|
766 | 765 | 'configured; see ' |
|
767 | 766 | 'https://mercurial-scm.org/wiki/SecureConnections ' |
|
768 | 767 | 'for how to configure Mercurial to avoid this ' |
|
769 | 768 | 'message)\n') % path) |
|
770 | 769 | return path |
|
771 | 770 | |
|
772 | 771 | ui.warn(_('(unable to load CA certificates; see ' |
|
773 | 772 | 'https://mercurial-scm.org/wiki/SecureConnections for ' |
|
774 | 773 | 'how to configure Mercurial to avoid this message)\n')) |
|
775 | 774 | |
|
776 | 775 | return None |
|
777 | 776 | |
|
778 | 777 | def validatesocket(sock): |
|
779 | 778 | """Validate a socket meets security requirements. |
|
780 | 779 | |
|
781 | 780 | The passed socket must have been created with ``wrapsocket()``. |
|
782 | 781 | """ |
|
783 | 782 | host = sock._hgstate['hostname'] |
|
784 | 783 | ui = sock._hgstate['ui'] |
|
785 | 784 | settings = sock._hgstate['settings'] |
|
786 | 785 | |
|
787 | 786 | try: |
|
788 | 787 | peercert = sock.getpeercert(True) |
|
789 | 788 | peercert2 = sock.getpeercert() |
|
790 | 789 | except AttributeError: |
|
791 | 790 | raise error.Abort(_('%s ssl connection error') % host) |
|
792 | 791 | |
|
793 | 792 | if not peercert: |
|
794 | 793 | raise error.Abort(_('%s certificate error: ' |
|
795 | 794 | 'no certificate received') % host) |
|
796 | 795 | |
|
797 | 796 | if settings['disablecertverification']: |
|
798 | 797 | # We don't print the certificate fingerprint because it shouldn't |
|
799 | 798 | # be necessary: if the user requested certificate verification be |
|
800 | 799 | # disabled, they presumably already saw a message about the inability |
|
801 | 800 | # to verify the certificate and this message would have printed the |
|
802 | 801 | # fingerprint. So printing the fingerprint here adds little to no |
|
803 | 802 | # value. |
|
804 | 803 | ui.warn(_('warning: connection security to %s is disabled per current ' |
|
805 | 804 | 'settings; communication is susceptible to eavesdropping ' |
|
806 | 805 | 'and tampering\n') % host) |
|
807 | 806 | return |
|
808 | 807 | |
|
809 | 808 | # If a certificate fingerprint is pinned, use it and only it to |
|
810 | 809 | # validate the remote cert. |
|
811 | 810 | peerfingerprints = { |
|
812 | 811 | 'sha1': hashlib.sha1(peercert).hexdigest(), |
|
813 | 812 | 'sha256': hashlib.sha256(peercert).hexdigest(), |
|
814 | 813 | 'sha512': hashlib.sha512(peercert).hexdigest(), |
|
815 | 814 | } |
|
816 | 815 | |
|
817 | 816 | def fmtfingerprint(s): |
|
818 | 817 | return ':'.join([s[x:x + 2] for x in range(0, len(s), 2)]) |
|
819 | 818 | |
|
820 | 819 | nicefingerprint = 'sha256:%s' % fmtfingerprint(peerfingerprints['sha256']) |
|
821 | 820 | |
|
822 | 821 | if settings['certfingerprints']: |
|
823 | 822 | for hash, fingerprint in settings['certfingerprints']: |
|
824 | 823 | if peerfingerprints[hash].lower() == fingerprint: |
|
825 | 824 | ui.debug('%s certificate matched fingerprint %s:%s\n' % |
|
826 | 825 | (host, hash, fmtfingerprint(fingerprint))) |
|
827 | 826 | if settings['legacyfingerprint']: |
|
828 | 827 | ui.warn(_('(SHA-1 fingerprint for %s found in legacy ' |
|
829 | 828 | '[hostfingerprints] section; ' |
|
830 | 829 | 'if you trust this fingerprint, remove the old ' |
|
831 | 830 | 'SHA-1 fingerprint from [hostfingerprints] and ' |
|
832 | 831 | 'add the following entry to the new ' |
|
833 | 832 | '[hostsecurity] section: %s:fingerprints=%s)\n') % |
|
834 | 833 | (host, host, nicefingerprint)) |
|
835 | 834 | return |
|
836 | 835 | |
|
837 | 836 | # Pinned fingerprint didn't match. This is a fatal error. |
|
838 | 837 | if settings['legacyfingerprint']: |
|
839 | 838 | section = 'hostfingerprint' |
|
840 | 839 | nice = fmtfingerprint(peerfingerprints['sha1']) |
|
841 | 840 | else: |
|
842 | 841 | section = 'hostsecurity' |
|
843 | 842 | nice = '%s:%s' % (hash, fmtfingerprint(peerfingerprints[hash])) |
|
844 | 843 | raise error.Abort(_('certificate for %s has unexpected ' |
|
845 | 844 | 'fingerprint %s') % (host, nice), |
|
846 | 845 | hint=_('check %s configuration') % section) |
|
847 | 846 | |
|
848 | 847 | # Security is enabled but no CAs are loaded. We can't establish trust |
|
849 | 848 | # for the cert so abort. |
|
850 | 849 | if not sock._hgstate['caloaded']: |
|
851 | 850 | raise error.Abort( |
|
852 | 851 | _('unable to verify security of %s (no loaded CA certificates); ' |
|
853 | 852 | 'refusing to connect') % host, |
|
854 | 853 | hint=_('see https://mercurial-scm.org/wiki/SecureConnections for ' |
|
855 | 854 | 'how to configure Mercurial to avoid this error or set ' |
|
856 | 855 | 'hostsecurity.%s:fingerprints=%s to trust this server') % |
|
857 | 856 | (host, nicefingerprint)) |
|
858 | 857 | |
|
859 | 858 | msg = _verifycert(peercert2, host) |
|
860 | 859 | if msg: |
|
861 | 860 | raise error.Abort(_('%s certificate error: %s') % (host, msg), |
|
862 | 861 | hint=_('set hostsecurity.%s:certfingerprints=%s ' |
|
863 | 862 | 'config setting or use --insecure to connect ' |
|
864 | 863 | 'insecurely') % |
|
865 | 864 | (host, nicefingerprint)) |
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