1 | #! perl |
1 | #! perl # MANDATORY |
2 | |
2 | |
3 | # login handling |
3 | # login handling |
4 | |
4 | |
5 | use Fcntl; |
5 | use Fcntl; |
6 | use Coro::AIO; |
6 | use Coro::AIO; |
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|
7 | use List::Util qw(min max); |
7 | |
8 | |
8 | my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
9 | my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
9 | |
10 | |
10 | # paranoia function to overwrite a string-in-place |
11 | # paranoia function to overwrite a string-in-place |
11 | sub nuke_str { |
12 | sub nuke_str { |
… | |
… | |
21 | |
22 | |
22 | $current |
23 | $current |
23 | } |
24 | } |
24 | |
25 | |
25 | sub can_cleanup { |
26 | sub can_cleanup { |
26 | my ($playerfile, $mtime) = @_; |
27 | my ($pl, $mtime) = @_; |
27 | |
28 | |
28 | my $age = time - $mtime; |
29 | my $age = time - $mtime; |
29 | my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; |
30 | my $level = $pl->ob->level; |
30 | |
31 | |
31 | ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 |
32 | ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 |
32 | || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 |
33 | || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 |
33 | || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 |
34 | || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 |
34 | || $age > 700 * 86400 # 2 years for everybody else |
35 | || $age > 700 * 86400 # 2 years for everybody else |
… | |
… | |
55 | } |
56 | } |
56 | |
57 | |
57 | sub check_clean_save { |
58 | sub check_clean_save { |
58 | my ($pl) = @_; |
59 | my ($pl) = @_; |
59 | |
60 | |
60 | unless (delete $pl->{clean_save}) { |
61 | if (my $time = delete $pl->{unclean_save}) { |
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62 | $pl->ns->send_drawinfo ( |
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63 | "You didn't use a savebed to leave this realm. This is very dangerous, " |
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64 | . "as lots of things could happen when you leave by other means, such as cave-ins, " |
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65 | . "or monsters suddenly snapping your body. Better use a savebed next time.", |
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66 | cf::NDI_RED |
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67 | ); |
61 | #d#TODO |
68 | #d#TODO |
62 | } |
69 | } |
63 | } |
70 | } |
64 | |
71 | |
65 | # delete a player directory, be non-blocking AND synchronous... |
72 | # delete a player directory, be non-blocking AND synchronous... |
… | |
… | |
71 | system "cd \Q$PLAYERDIR\E " |
78 | system "cd \Q$PLAYERDIR\E " |
72 | . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
79 | . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
73 | . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
80 | . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
74 | } |
81 | } |
75 | |
82 | |
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83 | sub send_capabilities { |
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84 | my ($ns) = @_; |
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85 | |
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86 | return unless $ns->extcmd; |
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87 | |
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88 | $ns->ext_event (capabilities => |
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89 | # id, name, flags (1 == 2d), edge length |
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90 | tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]], |
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91 | ); |
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92 | } |
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93 | |
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94 | sub setup { |
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95 | my ($ns, $args) = @_; |
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96 | |
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97 | # run through the cmds of setup |
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98 | # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ... |
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99 | # |
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100 | # we send the status of the cmd back, or a FALSE is the cmd is the server unknown |
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101 | # The client then must sort this out |
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102 | |
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103 | my %setup = split / +/, $args; |
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104 | while (my ($k, $v) = each %setup) { |
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105 | if ($k eq "sound") { |
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106 | $ns->sound ($v); |
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107 | |
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108 | } elsif ($k eq "exp64") { |
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109 | $setup{$k} = 1; |
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110 | |
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111 | } elsif ($k eq "spellmon") { |
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112 | $ns->monitor_spells ($v); |
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113 | |
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114 | } elsif ($k eq "darkness") { |
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115 | $ns->darkness ($v); |
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116 | |
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117 | } elsif ($k eq "map1cmd") { |
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118 | $ns->mapmode (cf::Map1Cmd) if $v > 0; |
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119 | |
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120 | } elsif ($k eq "map1acmd") { |
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121 | $ns->mapmode (cf::Map1aCmd) if $v > 0; |
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122 | |
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123 | } elsif ($k eq "map2cmd") { |
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124 | # gcfclient bug, map1acmd is sent too late |
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125 | $ns->mapmode (cf::Map1aCmd); |
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126 | $setup{$k} = "FALSE"; |
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127 | |
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128 | } elsif ($k eq "newmapcmd") { |
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129 | $ns->newmapcmd ($v); |
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130 | |
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131 | } elsif ($k eq "mapinfocmd") { |
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132 | $ns->mapinfocmd ($v); |
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133 | |
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134 | } elsif ($k eq "extcmd") { |
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135 | $ns->extcmd ($v > 0); |
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136 | send_capabilities $ns; |
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137 | |
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138 | } elsif ($k eq "extmap") { |
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139 | $ns->extmap ($v); |
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140 | |
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141 | } elsif ($k eq "facecache") { |
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142 | $ns->facecache ($v); |
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143 | |
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144 | } elsif ($k eq "faceset") { |
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145 | $ns->faceset (0); |
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146 | $setup{$k} = 0; |
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147 | # $ns->image2 (1) |
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148 | |
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149 | } elsif ($k eq "tileset") { |
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150 | $setup{$k} = $ns->faceset ($v & 1); |
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151 | |
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152 | } elsif ($k eq "itemcmd") { |
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153 | # Version of the item protocol command to use. Currently, |
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154 | # only supported versions are 1 and 2. Using a numeric |
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155 | # value will make it very easy to extend this in the future. |
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156 | $ns->itemcmd ($v) if $v >= 1 && $v <= 2; |
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157 | |
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158 | $setup{$k} = $ns->itemcmd; |
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159 | |
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160 | } elsif ($k eq "mapsize") { |
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161 | my ($x, $y) = split /x/, $v; |
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162 | |
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163 | $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1); |
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164 | $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1); |
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165 | |
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166 | $setup{$k} = "${x}x${y}"; |
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167 | |
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168 | } elsif ($k eq "extendedMapInfos") { |
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169 | $ns->ext_mapinfos ($v); |
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170 | |
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171 | } elsif ($k eq "extendedTextInfos") { |
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172 | $ns->has_readable_type ($v); |
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173 | |
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174 | } elsif ($k eq "fxix") { |
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175 | $ns->fxix ($v); |
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176 | |
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177 | } else { |
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178 | # other commands: |
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179 | # sexp: no idea, probably for oudated servers |
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180 | # tick: more stupidity, server should sned a tick per tick |
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181 | |
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182 | $setup{$k} = "FALSE"; |
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183 | } |
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184 | } |
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185 | |
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186 | $ns->send_packet (join " ", setup => %setup); |
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187 | |
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188 | cf::datalog setup => |
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189 | request => $args, |
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190 | reply => \%setup, |
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191 | client => $ns->version, |
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192 | ; |
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193 | } |
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194 | |
76 | sub addme { |
195 | sub addme { |
77 | my ($ns) = @_; |
196 | my ($ns) = @_; |
78 | |
197 | |
79 | $ns->destroy if $ns->pl; |
198 | if (!$ns->facecache) |
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199 | { |
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200 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
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201 | |
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202 | |
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203 | *** |
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204 | *** WARNING: |
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205 | *** Your client does not support face/image caching, |
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206 | *** or it has been disabled. Face caching is mandatory |
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207 | *** so please enable it or use a newer client. |
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208 | *** |
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209 | *** Look at your client preferences: |
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210 | *** |
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211 | *** CFPlus: all known versions automatically enable the facecache. |
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212 | *** cfclient: use the -cache commandline option. |
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213 | *** cfclient: map will not redraw automatically (bug). |
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214 | *** gcfclient: use -cache commandline option, or enable |
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215 | *** gcfclient: Client=>Configure=>Map & Image=>Cache Images. |
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216 | *** jcrossclient: your client is broken, use CFPlus or gcfclient. |
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217 | *** |
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218 | *** |
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219 | EOF |
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220 | if ($ns->version =~ /jcrossclient/) { |
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221 | # let them, for now |
|
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222 | } else { |
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223 | $ns->flush; |
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224 | return $ns->destroy; |
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225 | } |
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226 | |
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227 | # $ns->facecache = true; |
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228 | } |
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229 | |
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230 | if ($ns->mapmode < cf::Map1aCmd) { |
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231 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
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232 | |
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233 | |
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234 | *** |
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235 | *** WARNING: |
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236 | *** Your client is too old. Please upgrade to a newer version. |
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237 | EOF |
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238 | |
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239 | $ns->flush; |
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240 | return $ns->destroy; |
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241 | } |
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242 | |
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243 | $ns->pl and return $ns->destroy; |
80 | |
244 | |
81 | $ns->async (sub { |
245 | $ns->async (sub { |
82 | my ($user, $pass); |
246 | my ($user, $pass); |
83 | |
247 | |
84 | $ns->send_packet ("addme_success"); |
248 | $ns->send_packet ("addme_success"); |
… | |
… | |
99 | $ns->send_drawinfo ( |
263 | $ns->send_drawinfo ( |
100 | "That username is currently used in another login session. " |
264 | "That username is currently used in another login session. " |
101 | . "Chose another, or wait till the other session has ended.", |
265 | . "Chose another, or wait till the other session has ended.", |
102 | cf::NDI_RED |
266 | cf::NDI_RED |
103 | ); |
267 | ); |
104 | } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/) { |
268 | } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) { |
105 | last; |
269 | last; |
106 | } else { |
270 | } else { |
107 | $ns->send_drawinfo ( |
271 | $ns->send_drawinfo ( |
108 | "Your username contains illegal characters " |
272 | "Your username contains illegal characters " |
109 | . "(only a-z, A-Z and 0-9 are allowed), " |
273 | . "(only a-z, A-Z and 0-9 are allowed), " |
… | |
… | |
145 | local $cf::LOGIN_LOCK{$user} = 1; |
309 | local $cf::LOGIN_LOCK{$user} = 1; |
146 | |
310 | |
147 | check_playing $ns, $user and next; |
311 | check_playing $ns, $user and next; |
148 | |
312 | |
149 | # try to read the user file and check the password |
313 | # try to read the user file and check the password |
150 | if (my $fh = aio_open cf::player::path $user, O_RDONLY, 0) { |
314 | if (my $pl = cf::player::find $user) { |
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315 | aio_stat $pl->path and next; |
151 | my $mtime = (stat $fh)[9]; |
316 | my $mtime = (stat _)[9]; |
152 | |
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153 | 0 < aio_read $fh, 0, 16384, my $buf, 0 or next; |
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154 | $buf =~ /^password (\S+)$/m or next; |
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155 | my $hash = $1; |
317 | my $hash = $pl->password; |
156 | |
318 | |
157 | if ($hash eq crypt $pass, $hash) { |
319 | if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) { |
158 | nuke_str $pass; |
320 | nuke_str $pass; |
159 | # password matches, wonderful |
321 | # password matches, wonderful |
160 | my $pl = cf::player::find $user or next; |
322 | my $pl = cf::player::find $user or next; |
161 | $pl->connect ($ns); |
323 | $pl->connect ($ns); |
162 | check_clean_save $pl; |
324 | check_clean_save $pl; |
163 | $pl->{clean_save} = 1; |
|
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164 | last; |
325 | last; |
165 | } elsif (can_cleanup $buf, $mtime) { |
326 | } elsif (can_cleanup $pl, $mtime) { |
166 | Coro::Timer::sleep 1; |
327 | Coro::Timer::sleep 1; |
167 | |
328 | |
168 | $ns->send_drawinfo ( |
329 | $ns->send_drawinfo ( |
169 | "Player exists, but password does not match. If this is your account, " |
330 | "Player exists, but password does not match. If this is your account, " |
170 | . "please try again. If not, you can now decide to take over this account " |
331 | . "please try again. If not, you can now decide to take over this account " |
… | |
… | |
178 | |
339 | |
179 | # check if the file hasn't changed |
340 | # check if the file hasn't changed |
180 | aio_stat cf::player::path $user and next; |
341 | aio_stat cf::player::path $user and next; |
181 | $mtime == (stat _)[9] or next; |
342 | $mtime == (stat _)[9] or next; |
182 | |
343 | |
183 | nuke_playerdir $user; |
344 | $pl->quit_character; |
184 | |
345 | |
185 | # fall through to creation |
346 | # fall through to creation |
186 | } else { |
347 | } else { |
187 | nuke_str $pass; |
348 | nuke_str $pass; |
188 | |
349 | |
… | |
… | |
280 | } else { |
441 | } else { |
281 | $ob->reply (undef, |
442 | $ob->reply (undef, |
282 | "Ok, quitting, hope to see you again.", |
443 | "Ok, quitting, hope to see you again.", |
283 | cf::NDI_UNIQUE | cf::NDI_RED); |
444 | cf::NDI_UNIQUE | cf::NDI_RED); |
284 | $pl->ns->flush; |
445 | $pl->ns->flush; |
285 | $pl->quit_character; |
446 | cf::async { $pl->quit_character }; |
286 | } |
447 | } |
287 | }); |
448 | }); |
288 | }; |
449 | }; |
289 | |
450 | |
290 | cf::object->attach ( |
451 | cf::object->attach ( |
… | |
… | |
296 | |
457 | |
297 | my $pl = $ob->contr; |
458 | my $pl = $ob->contr; |
298 | |
459 | |
299 | # update respawn position |
460 | # update respawn position |
300 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
461 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
|
|
462 | cf::async { $pl->save }; |
301 | |
463 | |
302 | $pl->killer ("left"); |
464 | $pl->killer ("left"); |
303 | $ob->check_score; |
465 | $ob->check_score; |
304 | |
466 | |
305 | $ob->reply (undef, "In the future, you will wake up here when you die."); |
467 | $ob->reply (undef, "In the future, you will wake up here when you die."); |
… | |
… | |
329 | |
491 | |
330 | if ($cleanly) { |
492 | if ($cleanly) { |
331 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
493 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
332 | } else { |
494 | } else { |
333 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
495 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
334 | delete $pl->{clean_save}; |
496 | $pl->{unclean_save} = $cf::RUNTIME; |
335 | } |
497 | } |
336 | }, |
498 | }, |
337 | ); |
499 | ); |
338 | |
500 | |
339 | cf::client->attach ( |
501 | cf::client->attach ( |
340 | on_addme => \&addme, |
502 | on_addme => \&addme, |
|
|
503 | on_setup => \&setup, |
341 | ); |
504 | ); |
342 | |
505 | |
343 | ############################################################################# |
506 | ############################################################################# |
344 | |
507 | |
345 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
508 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
346 | our $SWAP_TIMEOUT = 30; # time after which an unused player is evicted form memory |
|
|
347 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
509 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
348 | our $SAVE_INTERVAL = 0.1; # save at max. one player every $SAVE_INTERVAL |
|
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349 | |
510 | |
350 | our $SCHEDULER = cf::async_ext { |
511 | our $SCHEDULER = cf::async_ext { |
|
|
512 | my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL); |
351 | while () { |
513 | while () { |
352 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
514 | $schedule_interval->next; |
353 | |
515 | |
354 | # this weird form of iteration over values is used because |
516 | # this weird form of iteration over values is used because |
355 | # the hash changes underneath us frequently, and for |
517 | # the hash changes underneath us frequently, and for |
356 | # keeps a direct reference to the value without (in 5.8 perls) |
518 | # keeps a direct reference to the value without (in 5.8 perls) |
357 | # keeping a reference, so this is prone to crashes or worse. |
519 | # keeping a reference, so this is prone to crashes or worse. |
… | |
… | |
361 | or next; |
523 | or next; |
362 | $pl->valid or next; |
524 | $pl->valid or next; |
363 | |
525 | |
364 | eval { |
526 | eval { |
365 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
527 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
|
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528 | $cf::WAIT_FOR_TICK_ONE->wait; |
366 | $pl->save; |
529 | $pl->save; |
367 | Coro::Timer::sleep $SAVE_INTERVAL; |
530 | |
|
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531 | unless ($pl->active) { |
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532 | # check refcounts, this is tricky and needs to be adjusted to fit server internals |
|
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533 | my $ob = $pl->ob; |
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534 | Scalar::Util::weaken $pl; |
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535 | Scalar::Util::weaken $ob; |
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536 | my $a_ = $pl->refcnt;#d# |
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537 | my $b_ = $ob->refcnt;#d# |
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538 | my $pl_ref = $pl->refcnt_cnt; |
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539 | my $ob_ref = $ob->refcnt_cnt; |
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540 | |
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541 | ## pl_ref == one from object + one from cf::PLAYER |
|
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542 | ## ob_ref == one from simply being an object |
|
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543 | if ($pl_ref == 2 && $ob_ref == 1) { |
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544 | warn "player-scheduler destroy ", $ob->name;#d# |
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545 | |
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546 | # remove from sight and get fresh "copies" |
|
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547 | $pl = delete $cf::PLAYER{$ob->name}; |
|
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548 | $ob = $pl->ob; |
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549 | |
|
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550 | $ob->destroy; |
|
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551 | $pl->destroy; |
|
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552 | } else { |
|
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553 | warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d# |
|
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554 | } |
|
|
555 | } |
368 | } |
556 | } |
369 | my $ob = $pl->ob; |
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370 | Scalar::Util::weaken $pl; # 2 == from object + from perl |
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371 | Scalar::Util::weaken $ob; # 2 == one from being an object + ??? |
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372 | my $a_ = $pl->refcnt; |
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373 | my $b_ = $ob->refcnt; |
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374 | my $a = $pl->refcnt_cnt; |
|
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375 | my $b = $ob->refcnt_cnt; |
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376 | warn "rc $a,$a_ $b,$b_\n";#d# |
|
|
377 | }; |
557 | }; |
378 | warn $@ if $@; |
558 | warn $@ if $@; |
379 | Coro::cede; |
559 | Coro::cede; |
380 | }; |
560 | }; |
381 | } |
561 | } |