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; |
7 | |
7 | use List::Util qw(min max); |
8 | my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
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|
9 | |
8 | |
10 | # paranoia function to overwrite a string-in-place |
9 | # paranoia function to overwrite a string-in-place |
11 | sub nuke_str { |
10 | sub nuke_str { |
12 | substr $_[0], 0, (length $_[0]), "x" x length $_[0] |
11 | substr $_[0], 0, (length $_[0]), "x" x length $_[0] |
13 | } |
12 | } |
14 | |
13 | |
15 | sub query { |
14 | sub query { |
16 | my ($ns, $flags, $text) = @_; |
15 | my ($ns, $flags, $text) = @_; |
17 | |
16 | |
18 | my $current = $Coro::current; |
17 | my $current = $Coro::current; |
19 | $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; }); |
18 | $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] }); |
20 | Coro::schedule while ref $current; |
19 | Coro::schedule while ref $current; |
21 | |
20 | |
22 | $current |
21 | $current |
23 | } |
22 | } |
24 | |
23 | |
25 | sub can_cleanup { |
24 | sub can_cleanup { |
26 | my ($playerfile, $mtime) = @_; |
25 | my ($pl, $mtime) = @_; |
27 | |
26 | |
28 | my $age = time - $mtime; |
27 | my $age = time - $mtime; |
29 | my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; |
28 | my $level = $pl->ob->level; |
30 | |
29 | |
31 | ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 |
30 | ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 |
32 | || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 |
31 | || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 |
33 | || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 |
32 | || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 |
34 | || $age > 700 * 86400 # 2 years for everybody else |
33 | || $age > 700 * 86400 # 2 years for everybody else |
… | |
… | |
55 | } |
54 | } |
56 | |
55 | |
57 | sub check_clean_save { |
56 | sub check_clean_save { |
58 | my ($pl) = @_; |
57 | my ($pl) = @_; |
59 | |
58 | |
60 | unless (delete $pl->{clean_save}) { |
59 | if (my $time = delete $pl->{unclean_save}) { |
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|
60 | $pl->ns->send_drawinfo ( |
|
|
61 | "You didn't use a savebed to leave this realm. This is very dangerous, " |
|
|
62 | . "as lots of things could happen when you leave by other means, such as cave-ins, " |
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|
63 | . "or monsters suddenly snapping your body. Better use a savebed next time.", |
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64 | cf::NDI_RED |
|
|
65 | ); |
61 | #d#TODO |
66 | #d#TODO |
62 | } |
67 | } |
63 | } |
68 | } |
64 | |
69 | |
65 | # delete a player directory, be non-blocking AND synchronous... |
70 | # delete a player directory, be non-blocking AND synchronous... |
… | |
… | |
71 | system "cd \Q$PLAYERDIR\E " |
76 | system "cd \Q$PLAYERDIR\E " |
72 | . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
77 | . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
73 | . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
78 | . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
74 | } |
79 | } |
75 | |
80 | |
|
|
81 | sub send_capabilities { |
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|
82 | my ($ns) = @_; |
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83 | |
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84 | return unless $ns->extcmd; |
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85 | |
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86 | $ns->ext_event (capabilities => |
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87 | # id, name, flags (1 == 2d), edge length |
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88 | tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]], |
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89 | ); |
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90 | } |
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91 | |
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|
92 | sub setup { |
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93 | my ($ns, $args) = @_; |
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94 | |
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95 | # run through the cmds of setup |
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96 | # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ... |
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97 | # |
|
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98 | # we send the status of the cmd back, or a FALSE is the cmd is the server unknown |
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99 | # The client then must sort this out |
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100 | |
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|
101 | my %setup = split / +/, $args; |
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|
102 | while (my ($k, $v) = each %setup) { |
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103 | if ($k eq "sound") { |
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104 | $ns->sound ($v); |
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105 | |
|
|
106 | } elsif ($k eq "exp64") { |
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107 | $setup{$k} = 1; |
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108 | |
|
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109 | } elsif ($k eq "spellmon") { |
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110 | $ns->monitor_spells ($v); |
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111 | |
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112 | } elsif ($k eq "darkness") { |
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113 | $ns->darkness ($v); |
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114 | |
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115 | } elsif ($k eq "map1cmd") { |
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116 | $ns->mapmode (cf::Map1Cmd) if $v > 0; |
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117 | |
|
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118 | } elsif ($k eq "map1acmd") { |
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119 | $ns->mapmode (cf::Map1aCmd) if $v > 0; |
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120 | |
|
|
121 | } elsif ($k eq "map2cmd") { |
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122 | # gcfclient bug, map1acmd is sent too late |
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123 | $ns->mapmode (cf::Map1aCmd); |
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124 | $setup{$k} = "FALSE"; |
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125 | |
|
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126 | } elsif ($k eq "newmapcmd") { |
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127 | $ns->newmapcmd ($v); |
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128 | |
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129 | } elsif ($k eq "mapinfocmd") { |
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130 | $ns->mapinfocmd ($v); |
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131 | |
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132 | } elsif ($k eq "extcmd") { |
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133 | $ns->extcmd ($v > 0); |
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134 | send_capabilities $ns; |
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135 | |
|
|
136 | } elsif ($k eq "extmap") { |
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137 | $ns->extmap ($v); |
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138 | |
|
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139 | } elsif ($k eq "facecache") { |
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140 | if (!$v) { |
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141 | $v = 1; |
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142 | $setup{$k} = $v; |
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143 | $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED); |
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144 | } |
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145 | |
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146 | $ns->facecache ($v); |
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147 | |
|
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148 | } elsif ($k eq "faceset") { |
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149 | $ns->faceset (0); |
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150 | $setup{$k} = 0; |
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151 | # $ns->image2 (1) |
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152 | |
|
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153 | } elsif ($k eq "tileset") { |
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154 | $setup{$k} = $ns->faceset ($v & 1); |
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155 | |
|
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156 | } elsif ($k eq "itemcmd") { |
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157 | # Version of the item protocol command to use. Currently, |
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158 | # only supported versions are 1 and 2. Using a numeric |
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159 | # value will make it very easy to extend this in the future. |
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160 | $ns->itemcmd ($v) if $v >= 1 && $v <= 2; |
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161 | |
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162 | $setup{$k} = $ns->itemcmd; |
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163 | |
|
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164 | } elsif ($k eq "mapsize") { |
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165 | my ($x, $y) = split /x/, $v; |
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166 | |
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167 | $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1); |
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168 | $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1); |
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169 | |
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170 | $setup{$k} = "${x}x${y}"; |
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171 | |
|
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172 | } elsif ($k eq "extendedMapInfos") { |
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173 | $ns->ext_mapinfos ($v); |
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174 | |
|
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175 | } elsif ($k eq "extendedTextInfos") { |
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176 | $ns->has_readable_type ($v); |
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177 | |
|
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178 | } elsif ($k eq "smoothing") { # cfplus-style smoothing |
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179 | $ns->smoothing ($v); |
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180 | |
|
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181 | } elsif ($k eq "fxix") { |
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182 | $ns->fxix ($v); |
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183 | |
|
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184 | } elsif ($k eq "msg") { |
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185 | $ns->{setup}{msg} = $v; |
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186 | |
|
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187 | } else { |
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188 | # other commands: |
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189 | # sexp: no idea, probably for oudated servers |
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190 | # tick: more stupidity, server should sned a tick per tick |
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191 | |
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192 | $setup{$k} = "FALSE"; |
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193 | } |
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194 | } |
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195 | |
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196 | $ns->send_packet (join " ", setup => %setup); |
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197 | |
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198 | cf::datalog setup => |
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199 | request => $args, |
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200 | reply => \%setup, |
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201 | client => $ns->version, |
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202 | ; |
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203 | } |
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204 | |
76 | sub addme { |
205 | sub addme { |
77 | my ($ns) = @_; |
206 | my ($ns) = @_; |
78 | |
207 | |
79 | $ns->destroy if $ns->pl; |
208 | if (!$ns->facecache) |
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209 | { |
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210 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
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211 | |
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212 | |
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213 | *** |
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214 | *** WARNING: |
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215 | *** Your client does not support face/image caching, |
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216 | *** or it has been disabled. Face caching is mandatory |
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217 | *** so please enable it or use a newer client. |
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218 | *** |
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219 | *** Look at your client preferences: |
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220 | *** |
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221 | *** CFPlus: all known versions automatically enable the facecache. |
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222 | *** cfclient: use the -cache commandline option. |
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223 | *** cfclient: map will not redraw automatically (bug). |
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224 | *** gcfclient: use -cache commandline option, or enable |
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225 | *** gcfclient: Client=>Configure=>Map & Image=>Cache Images. |
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226 | *** jcrossclient: your client is broken, use CFPlus or gcfclient. |
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227 | *** |
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228 | *** |
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|
229 | EOF |
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230 | if ($ns->version =~ /jcrossclient/) { |
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231 | # let them, for now |
|
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232 | } else { |
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233 | $ns->flush; |
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234 | return $ns->destroy; |
|
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235 | } |
|
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236 | |
|
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237 | # $ns->facecache = true; |
|
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238 | } |
|
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239 | |
|
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240 | if ($ns->mapmode < cf::Map1aCmd) { |
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241 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
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242 | |
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243 | |
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244 | *** |
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245 | *** WARNING: |
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246 | *** Your client is too old. Please upgrade to a newer version. |
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247 | EOF |
|
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248 | |
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249 | $ns->flush; |
|
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250 | return $ns->destroy; |
|
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251 | } |
|
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252 | |
|
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253 | $ns->pl and return $ns->destroy; |
80 | |
254 | |
81 | $ns->async (sub { |
255 | $ns->async (sub { |
82 | my ($user, $pass); |
256 | my ($user, $pass); |
83 | |
257 | |
84 | $ns->send_packet ("addme_success"); |
258 | $ns->send_packet ("addme_success"); |
… | |
… | |
99 | $ns->send_drawinfo ( |
273 | $ns->send_drawinfo ( |
100 | "That username is currently used in another login session. " |
274 | "That username is currently used in another login session. " |
101 | . "Chose another, or wait till the other session has ended.", |
275 | . "Chose another, or wait till the other session has ended.", |
102 | cf::NDI_RED |
276 | cf::NDI_RED |
103 | ); |
277 | ); |
104 | } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/) { |
278 | } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) { |
105 | last; |
279 | last; |
106 | } else { |
280 | } else { |
107 | $ns->send_drawinfo ( |
281 | $ns->send_drawinfo ( |
108 | "Your username contains illegal characters " |
282 | "Your username contains illegal characters " |
109 | . "(only a-z, A-Z and 0-9 are allowed), " |
283 | . "(only a-z, A-Z and 0-9 are allowed), " |
… | |
… | |
145 | local $cf::LOGIN_LOCK{$user} = 1; |
319 | local $cf::LOGIN_LOCK{$user} = 1; |
146 | |
320 | |
147 | check_playing $ns, $user and next; |
321 | check_playing $ns, $user and next; |
148 | |
322 | |
149 | # try to read the user file and check the password |
323 | # try to read the user file and check the password |
150 | if (my $fh = aio_open cf::player::path $user, O_RDONLY, 0) { |
324 | if (my $pl = cf::player::find $user) { |
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|
325 | aio_stat $pl->path and next; |
151 | my $mtime = (stat $fh)[9]; |
326 | 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; |
327 | my $hash = $pl->password; |
156 | |
328 | |
157 | if ($hash eq crypt $pass, $hash) { |
329 | if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) { |
158 | nuke_str $pass; |
330 | nuke_str $pass; |
159 | # password matches, wonderful |
331 | # password matches, wonderful |
160 | my $pl = cf::player::find $user or next; |
332 | my $pl = cf::player::find $user or next; |
161 | $pl->connect ($ns); |
333 | $pl->connect ($ns); |
162 | check_clean_save $pl; |
334 | check_clean_save $pl; |
163 | $pl->{clean_save} = 1; |
|
|
164 | last; |
335 | last; |
165 | } elsif (can_cleanup $buf, $mtime) { |
336 | } elsif (can_cleanup $pl, $mtime) { |
166 | Coro::Timer::sleep 1; |
337 | Coro::Timer::sleep 1; |
167 | |
338 | |
168 | $ns->send_drawinfo ( |
339 | $ns->send_drawinfo ( |
169 | "Player exists, but password does not match. If this is your account, " |
340 | "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 " |
341 | . "please try again. If not, you can now decide to take over this account " |
… | |
… | |
178 | |
349 | |
179 | # check if the file hasn't changed |
350 | # check if the file hasn't changed |
180 | aio_stat cf::player::path $user and next; |
351 | aio_stat cf::player::path $user and next; |
181 | $mtime == (stat _)[9] or next; |
352 | $mtime == (stat _)[9] or next; |
182 | |
353 | |
183 | nuke_playerdir $user; |
354 | $pl->quit_character; |
184 | |
355 | |
185 | # fall through to creation |
356 | # fall through to creation |
186 | } else { |
357 | } else { |
187 | nuke_str $pass; |
358 | nuke_str $pass; |
188 | |
359 | |
189 | Coro::Timer::sleep 1; |
360 | Coro::Timer::sleep 1; |
190 | |
361 | |
191 | $ns->send_drawinfo ( |
362 | $ns->send_drawinfo ( |
192 | "Wrong username or password. Please try again " |
363 | "Wrong username or password. Please try again " |
193 | . "(check for Numlock and other semi-obvious error sources).", |
364 | . "(check for Numlock and other semi-obvious error sources).", |
|
|
365 | cf::NDI_RED |
|
|
366 | ); |
|
|
367 | next; |
|
|
368 | } |
|
|
369 | } else { |
|
|
370 | # unable to load the playerfile: |
|
|
371 | # check wether the player dir exists, which means the file is corrupted or |
|
|
372 | # something very similar. |
|
|
373 | if (!aio_stat cf::player::playerdir $user) { |
|
|
374 | $ns->send_drawinfo ( |
|
|
375 | "Unable to retrieve this player. It might be a locked or broken account. " |
|
|
376 | . "If this is your account, ask a dungeon master for assistance. " |
|
|
377 | . "Otherwise choose a different login name.", |
194 | cf::NDI_RED |
378 | cf::NDI_RED |
195 | ); |
379 | ); |
196 | next; |
380 | next; |
197 | } |
381 | } |
198 | } |
382 | } |
… | |
… | |
280 | } else { |
464 | } else { |
281 | $ob->reply (undef, |
465 | $ob->reply (undef, |
282 | "Ok, quitting, hope to see you again.", |
466 | "Ok, quitting, hope to see you again.", |
283 | cf::NDI_UNIQUE | cf::NDI_RED); |
467 | cf::NDI_UNIQUE | cf::NDI_RED); |
284 | $pl->ns->flush; |
468 | $pl->ns->flush; |
285 | $pl->quit_character; |
469 | cf::async { $pl->quit_character }; |
286 | } |
470 | } |
287 | }); |
471 | }); |
288 | }; |
472 | }; |
289 | |
473 | |
290 | cf::object->attach ( |
474 | cf::object->attach ( |
… | |
… | |
292 | on_apply => sub { |
476 | on_apply => sub { |
293 | my ($bed, $ob) = @_; |
477 | my ($bed, $ob) = @_; |
294 | |
478 | |
295 | return cf::override 0 unless $ob->type == cf::PLAYER; |
479 | return cf::override 0 unless $ob->type == cf::PLAYER; |
296 | |
480 | |
297 | my $pl = $ob->pl; |
481 | my $pl = $ob->contr; |
298 | |
482 | |
299 | # update respawn position |
483 | # update respawn position |
300 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
484 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
|
|
485 | cf::async { $pl->save }; |
301 | |
486 | |
302 | $pl->killer ("left"); |
487 | $pl->killer ("left"); |
303 | $ob->check_score; |
488 | $ob->check_score; |
304 | |
489 | |
305 | $ob->reply (undef, "In the future, you will wake up here when you die."); |
490 | $ob->reply (undef, "In the future, you will wake up here when you die."); |
… | |
… | |
329 | |
514 | |
330 | if ($cleanly) { |
515 | if ($cleanly) { |
331 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
516 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
332 | } else { |
517 | } else { |
333 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
518 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
|
|
519 | $pl->{unclean_save} = $cf::RUNTIME; |
334 | } |
520 | } |
335 | }, |
521 | }, |
336 | ); |
522 | ); |
337 | |
523 | |
338 | cf::client->attach ( |
524 | cf::client->attach ( |
339 | on_addme => \&addme, |
525 | on_addme => \&addme, |
|
|
526 | on_setup => \&setup, |
340 | ); |
527 | ); |
341 | |
528 | |
342 | ############################################################################# |
529 | ############################################################################# |
343 | |
530 | |
344 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
531 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
345 | our $SWAP_TIMEOUT = 30; # time after which an unused player is evicted form memory |
|
|
346 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
532 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
347 | our $SAVE_INTERVAL = 0.1; # save at max. one player every $SAVE_INTERVAL |
|
|
348 | |
533 | |
349 | our $SCHEDULER = cf::async_ext { |
534 | our $SCHEDULER = cf::async_ext { |
|
|
535 | my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL); |
350 | while () { |
536 | while () { |
351 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
537 | $schedule_interval->next; |
352 | |
538 | |
353 | # this weird form of iteration over values is used because |
539 | # this weird form of iteration over values is used because |
354 | # the hash changes underneath us frequently, and for |
540 | # the hash changes underneath us frequently, and for |
355 | # keeps a direct reference to the value without (in 5.8 perls) |
541 | # keeps a direct reference to the value without (in 5.8 perls) |
356 | # keeping a reference, so this is prone to crashes or worse. |
542 | # keeping a reference, so this is prone to crashes or worse. |
… | |
… | |
360 | or next; |
546 | or next; |
361 | $pl->valid or next; |
547 | $pl->valid or next; |
362 | |
548 | |
363 | eval { |
549 | eval { |
364 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
550 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
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|
551 | cf::wait_for_tick_begin; |
365 | $pl->save; |
552 | $pl->save; |
366 | Coro::Timer::sleep $SAVE_INTERVAL; |
553 | |
|
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554 | unless ($pl->active) { |
|
|
555 | # check refcounts, this is tricky and needs to be adjusted to fit server internals |
|
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556 | my $ob = $pl->ob; |
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557 | Scalar::Util::weaken $pl; |
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558 | Scalar::Util::weaken $ob; |
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559 | my $a_ = $pl->refcnt;#d# |
|
|
560 | my $b_ = $ob->refcnt;#d# |
|
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561 | my $pl_ref = $pl->refcnt_cnt; |
|
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562 | my $ob_ref = $ob->refcnt_cnt; |
|
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563 | |
|
|
564 | ## pl_ref == one from object + one from cf::PLAYER |
|
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565 | ## ob_ref == one from simply being an object |
|
|
566 | if ($pl_ref == 2 && $ob_ref == 1) { |
|
|
567 | warn "player-scheduler destroy ", $ob->name;#d# |
|
|
568 | |
|
|
569 | # remove from sight and get fresh "copies" |
|
|
570 | $pl = delete $cf::PLAYER{$ob->name}; |
|
|
571 | $ob = $pl->ob; |
|
|
572 | |
|
|
573 | $ob->destroy; |
|
|
574 | $pl->destroy; |
|
|
575 | } else { |
|
|
576 | warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d# |
|
|
577 | } |
|
|
578 | } |
367 | } |
579 | } |
368 | }; |
580 | }; |
369 | warn $@ if $@; |
581 | warn $@ if $@; |
370 | Coro::cede; |
582 | Coro::cede; |
371 | }; |
583 | }; |