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/cvs/deliantra/server/ext/login.ext
Revision: 1.3
Committed: Sat Dec 23 06:21:02 2006 UTC (17 years, 5 months ago) by root
Branch: MAIN
Changes since 1.2: +46 -19 lines
Log Message:
- improved login code
- removed some cruft code and (finally), the player_pod hack

File Contents

# Content
1 #! perl
2
3 # login handling
4
5 use Fcntl;
6 use Coro::AIO;
7
8 my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
9
10 # testbed for coroutines in crossfire :
11
12 sub query {
13 my ($ns, $flags, $text) = @_;
14
15 my $current = $Coro::current;
16 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; });
17 Coro::schedule while ref $current;
18
19 $current
20 }
21
22 sub can_cleanup {
23 my ($playerfile, $mtime) = @_;
24
25 my $age = time - $mtime;
26 my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return;
27
28 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
29 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
30 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
31 || $age > 700 * 86400 # 2 years for everybody else
32 }
33
34 sub check_playing {
35 my ($ns, $user) = @_;
36
37 return unless cf::player::find $user;
38
39 $ns->send_drawinfo (
40 "That player is already logged in on this server. "
41 . "If you want to create a new player, choose another name. "
42 . "If you are already a registered player, make sure nobody "
43 . "else is using your account at this time. If you lost your conenction "
44 . "then the server will likely timeout within a minute. If you still "
45 . "cannot log-in after a minute, you are still logged in. Make sure "
46 . "you do not have another client running. If you use windows, reboot, "
47 . "this will fix anything.",
48 cf::NDI_RED
49 );
50
51 1
52 }
53
54 # delete a player directory, be non-blocking AND synchronous...
55 # (thats hard, so we crap out and fork).
56 sub nuke_playerdir {
57 my ($user) = @_;
58
59 aio_stat "$PLAYERDIR/$user";
60 system "cd \Q$PLAYERDIR\E "
61 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
62 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
63 }
64
65 sub on_addme {
66 my ($ns) = @_;
67
68 $ns->destroy if $ns->pl;
69
70 $ns->coro (sub {
71 my ($user, $pass);
72
73 $ns->send_packet ("addme_success");
74
75 for (;;) {
76 $ns->send_drawinfo (
77 "Please enter your username now. If you are a new user, "
78 . "make one up that describes your character best. "
79 . "Only letters and digits are allowed, though.",
80 cf::NDI_BLUE
81 );
82
83 # read username
84 while () {
85 $user = query $ns, 0, "What is your name?\n:";
86
87 if ($cf::LOGIN_LOCK{$user}) {
88 $ns->send_drawinfo (
89 "That username is currently used in another login session. "
90 . "Chose another, or wait till the other session has ended.",
91 cf::NDI_RED
92 );
93 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/) {
94 last;
95 } else {
96 $ns->send_drawinfo (
97 "Your username contains illegal characters "
98 . "(only a-z, A-Z and 0-9 are allowed), "
99 . "or is not between 3 and 18 characters in length.",
100 cf::NDI_RED
101 );
102 }
103 }
104
105 check_playing $ns, $user and next;
106
107 $ns->send_drawinfo (
108 "Welcome $user, please enter your password now. "
109 . "New users should now choose a password. "
110 . "Anything your client lets you enter is fine.",
111 cf::NDI_BLUE
112 );
113
114 # read password
115 while () {
116 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
117 last if $pass =~ /.../;
118 $ns->send_drawinfo (
119 "Try to use at least three characters as your password please, "
120 . "that cannot be too much to ask for :)",
121 cf::NDI_RED
122 );
123 }
124
125 my $dir = "$PLAYERDIR/$user";
126 my $plfile = "$dir/$user.pl";
127
128 # lock this username for the remainder of this login session
129 if ($cf::LOGIN_LOCK{$user}) {
130 $ns->send_drawinfo (
131 "That username is currently used in another login session. "
132 . "Chose another, or wait till the other session has ended.",
133 cf::NDI_RED
134 );
135 next;
136 }
137 local $cf::LOGIN_LOCK{$user} = 1;
138
139 check_playing $ns, $user and next;
140
141 # try to read the user file and check the password
142 if (my $fh = aio_open $plfile, O_RDONLY, 0) {
143 my $mtime = (stat $fh)[9];
144
145 0 < aio_read $fh, 0, 16384, my $buf, 0 or next;
146 $buf =~ /^password (\S+)$/m or next;
147 my $hash = $1;
148
149 if ($hash eq crypt $pass, $hash) {
150 # password matches, wonderful
151 my $pl = cf::player::load $plfile or next;
152 $pl->enable_save (1);
153 $pl->connect ($ns);
154 last;
155 } elsif (can_cleanup $buf, $mtime) {
156 Coro::Timer::sleep 1;
157
158 $ns->send_drawinfo (
159 "Player exists, but password does not match. If this is your account, "
160 . "please try again. If not, you can now decide to take over this account "
161 . "because it has not been in-use for some time.",
162 cf::NDI_RED
163 );
164
165 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
166 or next;
167
168 # check if the file hasn't changed
169 aio_stat $plfile and next;
170 $mtime == (stat _)[9] or next;
171
172 nuke_playerdir $user;
173
174 # fall through to creation
175 } else {
176 Coro::Timer::sleep 1;
177
178 $ns->send_drawinfo (
179 "Wrong username or password. Please try again "
180 . "(check for Numlock and other semi-obvious error sources).",
181 cf::NDI_RED
182 );
183 next;
184 }
185 }
186
187 # the rest of this function is character creation
188
189 # just to make sure nothing is left over
190 nuke_playerdir $user;
191
192 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
193
194 if ($pass2 ne $pass) {
195 $ns->send_drawinfo (
196 "The passwords do not match, please try again.",
197 cf::NDI_RED
198 );
199 next;
200 }
201
202 my $pl = cf::player::create;
203 $pl->ob->name ($user);
204 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
205 $pl->connect ($ns);
206
207 my $ob = $pl->ob;
208
209 while () {
210 $ob->update_stats;
211 $pl->save_stats;
212
213 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
214 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
215
216 if ($res =~ /^[Nn]/) {
217 last;
218 } elsif ($res > 0 && $res <= 7) {
219 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
220
221 if ($swap > 0 && $swap <= 7) {
222 $ob->swap_stats ($res - 1, $swap - 1);
223 }
224 } else {
225 $ob->roll_stats;
226 }
227 }
228
229 $ob->set_animation (2);
230 $ob->add_statbonus;
231
232 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
233 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
234 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
235
236 $ns->state (cf::ST_CHANGE_CLASS);
237 $pl->enable_save (1);#d# too early
238
239 last;
240 }
241 });
242 }
243
244 cf::object->attach (
245 type => cf::SAVEBED,
246 on_apply => sub {
247 my ($bed, $ob) = @_;
248
249 return cf::override 0 unless $ob->type == cf::PLAYER;
250
251 # update respawn position
252 $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y);
253
254 #TODO?
255 #strcpy (pl->contr->killer, "left");
256 #check_score (pl); /* Always check score */
257
258 $ob->reply (undef, "In the future, you will wake up here when you die.");
259 $ob->contr->save ();
260
261 $ob->contr->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
262 if ($_[0] !~ /^[yY]/) {
263 $ob->contr->save (1);
264 $ob->contr->ns->destroy ();
265 }
266 });
267 },
268 );
269
270 cf::client->attach (package => __PACKAGE__);
271