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Commit | Line | Data |
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fa6819a7 | 1 | #include <string.h> |
0eb4cbd3 | 2 | #include <stdio.h> |
fa6819a7 GB |
3 | #include "../core/hooks.h" |
4 | #include "../control/control.h" | |
5 | #include "../irc/irc.h" | |
6 | #include "../lib/irc_string.h" | |
363e3ed0 | 7 | #include "../lib/version.h" |
fa6819a7 GB |
8 | #include "whowas.h" |
9 | ||
363e3ed0 | 10 | MODULE_VERSION(""); |
fa6819a7 | 11 | |
363e3ed0 GB |
12 | whowas *whowas_head = NULL, *whowas_tail = NULL; |
13 | int whowas_count = 0; | |
d6385de2 | 14 | |
4030a47e | 15 | whowas *whowas_fromnick(nick *np) { |
fa6819a7 | 16 | whowas *ww; |
0eb4cbd3 GB |
17 | nick *wnp; |
18 | struct irc_in_addr ipaddress_canonical; | |
fa6819a7 GB |
19 | |
20 | /* Create a new record. */ | |
21 | ww = malloc(sizeof(whowas)); | |
4030a47e | 22 | memset(ww, 0, sizeof(whowas)); |
0eb4cbd3 GB |
23 | |
24 | wnp = newnick(); | |
25 | memset(wnp, 0, sizeof(nick)); | |
26 | strncpy(wnp->nick, np->nick, NICKLEN + 1); | |
27 | wnp->numeric = np->numeric; | |
28 | strncpy(wnp->ident, np->ident, USERLEN + 1); | |
29 | ||
30 | wnp->host = newhost(); | |
31 | memset(wnp->host, 0, sizeof(host)); | |
32 | wnp->host->name = getsstring(np->host->name->content, HOSTLEN); | |
33 | ||
34 | wnp->realname = newrealname(); | |
35 | memset(wnp->realname, 0, sizeof(realname)); | |
36 | wnp->realname->name = getsstring(np->realname->name->content, REALLEN); | |
81e02f8e GB |
37 | wnp->shident = np->shident ? getsstring(np->shident->content, 512) : NULL; |
38 | wnp->sethost = np->sethost ? getsstring(np->sethost->content, 512) : NULL; | |
39 | wnp->opername = np->opername ? getsstring(np->opername->content, 512) : NULL; | |
0eb4cbd3 GB |
40 | wnp->umodes = np->umodes; |
41 | if (np->auth) { | |
42 | wnp->auth = newauthname(); | |
43 | memset(wnp->auth, 0, sizeof(authname)); | |
44 | wnp->auth->userid = np->auth->userid; | |
45 | strncpy(wnp->auth->name, np->auth->name, ACCOUNTLEN + 1); | |
46 | wnp->auth = np->auth; | |
47 | } | |
48 | wnp->authname = wnp->auth->name; | |
49 | wnp->timestamp = np->timestamp; | |
50 | wnp->accountts = np->accountts; | |
51 | wnp->away = np->away ? getsstring(np->away->content, 512) : NULL; | |
52 | ||
53 | memcpy(&wnp->ipaddress, &np->ipaddress, sizeof(struct irc_in_addr)); | |
54 | ||
55 | ip_canonicalize_tunnel(&ipaddress_canonical, &np->ipaddress); | |
56 | wnp->ipnode = refnode(iptree, &ipaddress_canonical, PATRICIA_MAXBITS); | |
57 | ||
58 | wnp->next = (nick *)ww; /* Yuck. */ | |
59 | ||
60 | ww->nick = wnp; | |
61 | ww->timestamp = getnettime(); | |
fa6819a7 | 62 | |
4030a47e GB |
63 | return ww; |
64 | } | |
d6385de2 | 65 | |
4030a47e | 66 | void whowas_linkrecord(whowas *ww) { |
363e3ed0 GB |
67 | if (whowas_head) |
68 | whowas_head->prev = ww; | |
d6385de2 | 69 | |
363e3ed0 GB |
70 | ww->next = whowas_head; |
71 | whowas_head = ww; | |
d6385de2 GB |
72 | |
73 | ww->prev = NULL; | |
74 | ||
363e3ed0 GB |
75 | if (!whowas_tail) |
76 | whowas_tail = ww; | |
fa6819a7 | 77 | |
363e3ed0 | 78 | whowas_count++; |
fa6819a7 GB |
79 | } |
80 | ||
4030a47e GB |
81 | void whowas_unlinkrecord(whowas *ww) { |
82 | if (!ww->next) | |
83 | whowas_tail = ww->prev; | |
84 | ||
85 | if (ww->prev) | |
86 | ww->prev->next = NULL; | |
87 | else | |
88 | whowas_head = ww->prev; | |
89 | ||
90 | whowas_count--; | |
fa6819a7 GB |
91 | } |
92 | ||
accce086 | 93 | void whowas_free(whowas *ww) { |
0eb4cbd3 GB |
94 | nick *np; |
95 | ||
accce086 GB |
96 | if (!ww) |
97 | return; | |
98 | ||
0eb4cbd3 GB |
99 | np = ww->nick; |
100 | ||
101 | freesstring(np->host->name); | |
102 | freehost(np->host); | |
103 | freesstring(np->realname->name); | |
104 | freerealname(np->realname); | |
105 | freesstring(np->shident); | |
106 | freesstring(np->sethost); | |
107 | freesstring(np->opername); | |
108 | freeauthname(np->auth); | |
109 | freesstring(np->away); | |
95e1d7b9 | 110 | freenick(np); |
accce086 GB |
111 | freesstring(ww->reason); |
112 | free(ww); | |
113 | } | |
114 | ||
4030a47e GB |
115 | static void whowas_cleanup(void) { |
116 | time_t now; | |
accce086 | 117 | whowas *ww; |
fa6819a7 | 118 | |
4030a47e | 119 | time(&now); |
fa6819a7 | 120 | |
4030a47e | 121 | /* Clean up old records. */ |
0eb4cbd3 | 122 | while (whowas_tail && (whowas_tail->timestamp < now - WW_MAXAGE || whowas_count >= WW_MAXENTRIES)) { |
accce086 GB |
123 | ww = whowas_tail; |
124 | whowas_unlinkrecord(ww); | |
125 | whowas_free(ww); | |
fa6819a7 GB |
126 | } |
127 | } | |
4030a47e GB |
128 | |
129 | static void whowas_handlequitorkill(int hooknum, void *arg) { | |
130 | void **args = arg; | |
131 | nick *np = args[0]; | |
132 | char *reason = args[1]; | |
133 | char *rreason; | |
134 | char resbuf[512]; | |
135 | whowas *ww; | |
136 | ||
137 | whowas_cleanup(); | |
138 | ||
139 | /* Create a new record. */ | |
140 | ww = whowas_fromnick(np); | |
141 | ||
142 | if (hooknum == HOOK_NICK_KILL) { | |
143 | if ((rreason = strchr(reason, ' '))) { | |
144 | sprintf(resbuf, "Killed%s", rreason); | |
145 | reason = resbuf; | |
146 | } | |
147 | ||
148 | ww->type = WHOWAS_KILL; | |
149 | } else | |
150 | ww->type = WHOWAS_QUIT; | |
151 | ||
152 | ww->reason = getsstring(reason, WW_REASONLEN); | |
153 | ||
154 | whowas_linkrecord(ww); | |
155 | } | |
156 | ||
157 | static void whowas_handlerename(int hooknum, void *arg) { | |
158 | void **args = arg; | |
159 | nick *np = args[0]; | |
160 | char *oldnick = args[1]; | |
161 | whowas *ww; | |
0eb4cbd3 | 162 | nick *wnp; |
4030a47e GB |
163 | |
164 | whowas_cleanup(); | |
165 | ||
166 | ww = whowas_fromnick(np); | |
167 | ww->type = WHOWAS_RENAME; | |
0eb4cbd3 GB |
168 | wnp = ww->nick; |
169 | ww->newnick = getsstring(wnp->nick, NICKLEN); | |
170 | strncpy(wnp->nick, oldnick, NICKLEN + 1); | |
4030a47e GB |
171 | |
172 | whowas_linkrecord(ww); | |
173 | } | |
174 | ||
56cab147 GB |
175 | whowas *whowas_chase(const char *nick, int maxage) { |
176 | whowas *ww; | |
177 | time_t now; | |
178 | ||
179 | now = getnettime(); | |
180 | ||
181 | for (ww = whowas_head; ww; ww = ww->next) { | |
0eb4cbd3 | 182 | if (ww->timestamp < now - maxage) |
56cab147 GB |
183 | break; /* records are in timestamp order, we're done */ |
184 | ||
0eb4cbd3 | 185 | if (ircd_strcmp(ww->nick->nick, nick) == 0) |
56cab147 GB |
186 | return ww; |
187 | } | |
188 | ||
189 | return NULL; | |
190 | } | |
191 | ||
0eb4cbd3 GB |
192 | const char *whowas_format(whowas *ww) { |
193 | nick *np = ww->nick; | |
194 | static char buf[512]; | |
accce086 | 195 | char timebuf[30]; |
0eb4cbd3 | 196 | char hostmask[512]; |
accce086 | 197 | |
432206be | 198 | snprintf(hostmask, sizeof(hostmask), "%s!%s@%s%s%s [%s] (%s)", |
0eb4cbd3 GB |
199 | np->nick, np->ident, np->host->name->content, |
200 | np->auth ? "/" : "", np->auth ? np->authname : "", | |
432206be GB |
201 | IPtostr(np->p_ipaddr), |
202 | printflags(np->umodes, umodeflags)); | |
0eb4cbd3 | 203 | strftime(timebuf, sizeof(timebuf), "%d/%m/%y %H:%M:%S", localtime(&(ww->timestamp))); |
accce086 GB |
204 | |
205 | if (ww->type == WHOWAS_RENAME) | |
0eb4cbd3 | 206 | snprintf(buf, sizeof(buf), "[%s] NICK %s r(%s) -> %s", timebuf, hostmask, np->realname->name->content, ww->newnick->content); |
accce086 | 207 | else |
0eb4cbd3 GB |
208 | snprintf(buf, sizeof(buf), "[%s] %s %s r(%s): %s", timebuf, (ww->type == WHOWAS_QUIT) ? "QUIT" : "KILL", hostmask, np->realname->name->content, ww->reason->content); |
209 | ||
210 | return buf; | |
211 | } | |
212 | ||
213 | unsigned int nextwhowasmarker() { | |
214 | whowas *ww; | |
215 | static unsigned int whowasmarker=0; | |
216 | ||
217 | whowasmarker++; | |
218 | ||
219 | if (!whowasmarker) { | |
220 | /* If we wrapped to zero, zap the marker on all records */ | |
221 | for (ww = whowas_head; ww; ww = ww->next) | |
222 | ww->marker=0; | |
223 | whowasmarker++; | |
224 | } | |
225 | ||
226 | return whowasmarker; | |
accce086 GB |
227 | } |
228 | ||
4030a47e GB |
229 | void _init(void) { |
230 | registerhook(HOOK_NICK_QUIT, whowas_handlequitorkill); | |
231 | registerhook(HOOK_NICK_KILL, whowas_handlequitorkill); | |
232 | registerhook(HOOK_NICK_RENAME, whowas_handlerename); | |
233 | } | |
234 | ||
235 | void _fini(void) { | |
236 | deregisterhook(HOOK_NICK_QUIT, whowas_handlequitorkill); | |
237 | deregisterhook(HOOK_NICK_KILL, whowas_handlequitorkill); | |
238 | deregisterhook(HOOK_NICK_RENAME, whowas_handlerename); | |
239 | ||
240 | while (whowas_head) | |
241 | whowas_unlinkrecord(whowas_head); | |
242 | } |