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84563ebd | 1 | /* authtracker module: Tracks when users come and go... */ |
2 | ||
3 | #include "authtracker.h" | |
4 | #include "../chanserv.h" | |
5 | #include "../../core/hooks.h" | |
6 | #include "../../nick/nick.h" | |
249a68b8 | 7 | #include "../../lib/irc_string.h" |
84563ebd | 8 | |
9 | #include <time.h> | |
10 | #include <string.h> | |
11 | ||
249a68b8 | 12 | #define NTERFACER_AUTH "nterfacer" |
13 | ||
84563ebd | 14 | /* OK, we need to deal separately with users who have definitely gone (QUIT |
15 | * or KILL) and those who has mysteriously vanished (lost in netsplit). | |
16 | * There are hooks for all these things, but sadly QUIT and KILL also | |
17 | * trigger the generic "lost nick" hook. Luckily, these things always | |
18 | * happen one after the other without any intervening quits, so we will keep | |
19 | * track of the last QUIT or KILL details and ignore the subsequent | |
20 | * LOSTNICK. */ | |
21 | ||
22 | unsigned int at_lastnum; | |
23 | time_t at_lastauthts; | |
24 | unsigned long at_lastuserid; | |
25 | ||
26 | unsigned long at_getuserid(nick *np) { | |
84563ebd | 27 | /* If they are not +r, forget it. */ |
28 | if (!IsAccount(np)) | |
29 | return 0; | |
249a68b8 | 30 | |
31 | /* Ignore that pesky nterfacer */ | |
32 | #ifdef NTERFACER_AUTH | |
33 | if (!ircd_strcmp(np->authname, NTERFACER_AUTH)) | |
34 | return 0; | |
35 | #endif | |
84563ebd | 36 | |
6e3ceea8 | 37 | /* Use the userid from authext only. */ |
84563ebd | 38 | if (np->auth) |
39 | return np->auth->userid; | |
40 | ||
84563ebd | 41 | Error("authtracker",ERR_WARNING,"Unable to get userID from IsAccount() user %s",np->nick); |
42 | return 0; | |
43 | } | |
44 | ||
45 | void at_handlequitorkill(int hooknum, void *arg) { | |
46 | void **args=arg; | |
47 | nick *np=args[0]; | |
48 | char *reason=args[1]; | |
49 | char *rreason; | |
673180ed | 50 | char resbuf[512]; |
84563ebd | 51 | unsigned long userid; |
52 | ||
53 | /* Ignore unauthed users, or those with no accountts */ | |
54 | if (!(userid=at_getuserid(np)) || !np->accountts) | |
55 | return; | |
56 | ||
84563ebd | 57 | at_lastuserid=userid; |
58 | at_lastauthts=np->accountts; | |
59 | at_lastnum=np->numeric; | |
60 | ||
673180ed | 61 | if (hooknum==HOOK_NICK_KILL && (rreason=strchr(reason,' '))) { |
62 | sprintf(resbuf,"Killed%s",rreason); | |
63 | reason=resbuf; | |
64 | } | |
84563ebd | 65 | |
66 | at_logquit(userid, np->accountts, time(NULL), reason); | |
67 | } | |
68 | ||
69 | void at_handlelostnick(int hooknum, void *arg) { | |
70 | nick *np=arg; | |
71 | unsigned long userid; | |
72 | ||
73 | if (!(userid=at_getuserid(np)) || !np->accountts) | |
74 | return; | |
75 | ||
76 | /* Don't do this for a user that just left normally (see above) */ | |
77 | if ((userid==at_lastuserid) && (np->accountts == at_lastauthts) && (np->numeric==at_lastnum)) | |
78 | return; | |
79 | ||
80 | at_lostnick(np->numeric, userid, np->accountts, time(NULL), AT_NETSPLIT); | |
81 | } | |
82 | ||
83 | void at_newnick(int hooknum, void *arg) { | |
84 | nick *np=arg; | |
85 | unsigned long userid; | |
86 | ||
87 | /* Ignore unauthed users, or those with no TS */ | |
88 | if (!(userid=at_getuserid(np)) || !np->accountts) | |
89 | return; | |
90 | ||
91 | /* OK, we've seen an authed user appear. If it's a known ghost we can zap it */ | |
92 | if (!at_foundnick(np->numeric, userid, np->accountts)) { | |
93 | /* If we didn't zap a ghost then it's a new session */ | |
94 | at_lognewsession(userid, np); | |
95 | } | |
96 | } | |
97 | ||
98 | void at_serverlinked(int hooknum, void *arg) { | |
99 | unsigned long servernum=(unsigned long)arg; | |
100 | ||
101 | at_serverback(servernum); | |
102 | } | |
103 | ||
104 | void at_hookinit() { | |
105 | registerhook(HOOK_NICK_QUIT, at_handlequitorkill); | |
106 | registerhook(HOOK_NICK_KILL, at_handlequitorkill); | |
107 | registerhook(HOOK_NICK_LOSTNICK, at_handlelostnick); | |
6e3ceea8 | 108 | registerhook(HOOK_NICK_NEWNICK, at_newnick); |
109 | registerhook(HOOK_NICK_ACCOUNT, at_newnick); | |
84563ebd | 110 | registerhook(HOOK_SERVER_LINKED, at_serverlinked); |
111 | } | |
112 | ||
113 | void at_hookfini() { | |
114 | deregisterhook(HOOK_NICK_QUIT, at_handlequitorkill); | |
115 | deregisterhook(HOOK_NICK_KILL, at_handlequitorkill); | |
116 | deregisterhook(HOOK_NICK_LOSTNICK, at_handlelostnick); | |
6e3ceea8 | 117 | deregisterhook(HOOK_NICK_NEWNICK, at_newnick); |
118 | deregisterhook(HOOK_NICK_ACCOUNT, at_newnick); | |
84563ebd | 119 | deregisterhook(HOOK_SERVER_LINKED, at_serverlinked); |
120 | } |