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Commit | Line | Data |
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b7eccf5f P |
1 | /* Some utterly useless dog */ |
2 | ||
3 | #include "../core/schedule.h" | |
475b3d9d | 4 | #include "../irc/irc.h" |
b7eccf5f P |
5 | #include "../lib/irc_string.h" |
6 | #include "../localuser/localuserchannel.h" | |
7 | #include "../control/control.h" | |
074a4529 | 8 | #include "../usercount/usercount.h" |
240bbd21 | 9 | #include "../lib/version.h" |
81f6c579 CP |
10 | #include "../serverlist/serverlist.h" |
11 | #include "../core/config.h" | |
12 | #include "../lib/strlfunc.h" | |
240bbd21 CP |
13 | |
14 | MODULE_VERSION("") | |
b7eccf5f P |
15 | |
16 | #include <stdlib.h> | |
17 | #include <string.h> | |
18 | #include <stdarg.h> | |
41b5727a | 19 | #include <stdio.h> |
475b3d9d | 20 | #include <sys/time.h> |
81f6c579 | 21 | #include <pcre.h> |
b7eccf5f P |
22 | |
23 | int cmd_serverlist(void *sender, int cargc, char **cargv); | |
24 | void serverlist_hook_newserver(int hook, void *arg); | |
25 | void serverlist_hook_lostserver(int hook, void *arg); | |
26 | int serverlist_versionreply(void *source, int cargc, char **cargv); | |
475b3d9d GB |
27 | void serverlist_pingservers(void *arg); |
28 | int serverlist_rpong(void *source, int cargc, char **cargv); | |
b7eccf5f | 29 | |
81f6c579 CP |
30 | const flag servertypeflags[] = { |
31 | { 'c', SERVERTYPEFLAG_CLIENT_SERVER }, | |
32 | { 'h', SERVERTYPEFLAG_HUB }, | |
33 | { 's', SERVERTYPEFLAG_SERVICE }, | |
34 | { 'Q', SERVERTYPEFLAG_CHANSERV }, | |
35 | { 'S', SERVERTYPEFLAG_SPAMSCAN }, | |
36 | { 'X', SERVERTYPEFLAG_CRITICAL_SERVICE }, | |
37 | { '\0', 0 } | |
38 | }; | |
39 | ||
b7eccf5f P |
40 | struct { |
41 | int used; | |
475b3d9d | 42 | int lag; |
b7eccf5f P |
43 | sstring *version1; |
44 | sstring *version2; | |
81f6c579 | 45 | flag_t type; |
b7eccf5f P |
46 | } serverinfo[MAXSERVERS]; |
47 | ||
48 | void serverlist_doversion(void); | |
49 | ||
81f6c579 CP |
50 | static sstring *s_server, *q_server; |
51 | static pcre *service_re, *hub_re, *not_client_re; | |
52 | ||
53 | static pcre *compilefree(sstring *re) { | |
54 | const char *err; | |
55 | int erroffset; | |
56 | pcre *r; | |
57 | ||
58 | r = pcre_compile(re->content, 0, &err, &erroffset, NULL); | |
59 | if(r == NULL) { | |
60 | Error("serverlist", ERR_WARNING, "Unable to compile RE %s (offset: %d, reason: %s)", re->content, erroffset, err); | |
61 | freesstring(re); | |
62 | return NULL; | |
63 | } | |
64 | ||
65 | freesstring(re); | |
66 | return r; | |
67 | } | |
b7eccf5f P |
68 | |
69 | void _init(void) { | |
70 | registercontrolhelpcmd("serverlist",NO_OPER,1,&cmd_serverlist,"Usage: serverlist [pattern]\nShows all currently connected servers"); | |
71 | /* hooks for serverlist */ | |
72 | registerhook(HOOK_SERVER_NEWSERVER, &serverlist_hook_newserver); | |
73 | registerhook(HOOK_SERVER_LOSTSERVER, &serverlist_hook_lostserver); | |
74 | int i; | |
75 | ||
81f6c579 CP |
76 | q_server = getcopyconfigitem("serverlist", "q_server", "CServe.quakenet.org", HOSTLEN); |
77 | s_server = getcopyconfigitem("serverlist", "s_server", "services2.uk.quakenet.org", HOSTLEN); | |
78 | ||
79 | service_re = compilefree(getcopyconfigitem("serverlist", "service_re", "^services\\d*\\..*$", 256)); | |
80 | hub_re = compilefree(getcopyconfigitem("serverlist", "hub_re", "^hub\\d*\\..*$", 256)); | |
b8bca1ed | 81 | not_client_re = compilefree(getcopyconfigitem("serverlist", "not_client_re", "^(testserv\\d*\\.).*$", 256)); |
81f6c579 | 82 | |
b7eccf5f P |
83 | for (i = 0; i < MAXSERVERS; i++) { |
84 | if (serverlist[i].linkstate == LS_LINKED) | |
85 | serverinfo[i].used = 1; | |
86 | else | |
87 | serverinfo[i].used = 0; | |
88 | ||
475b3d9d | 89 | serverinfo[i].lag = -1; |
b7eccf5f P |
90 | serverinfo[i].version1 = NULL; |
91 | serverinfo[i].version2 = NULL; | |
81f6c579 | 92 | serverinfo[i].type = getservertype(&serverlist[i]); |
b7eccf5f P |
93 | } |
94 | registernumerichandler(351, &serverlist_versionreply, 2); | |
475b3d9d | 95 | registerserverhandler("RO", &serverlist_rpong, 4); |
b7eccf5f | 96 | |
b2615f8b | 97 | schedulerecurring(time(NULL)+1, 0, 60, &serverlist_pingservers, NULL); |
b7eccf5f P |
98 | } |
99 | ||
100 | void _fini(void) { | |
101 | int i; | |
102 | for (i = 0; i < MAXSERVERS; i++) { | |
103 | if (serverinfo[i].used) { | |
104 | freesstring(serverinfo[i].version1); | |
105 | freesstring(serverinfo[i].version2); | |
106 | } | |
107 | } | |
108 | deregisternumerichandler(351, &serverlist_versionreply); | |
475b3d9d | 109 | deregisterserverhandler("RO", &serverlist_rpong); |
b7eccf5f P |
110 | |
111 | deregisterhook(HOOK_SERVER_NEWSERVER, &serverlist_hook_newserver); | |
112 | deregisterhook(HOOK_SERVER_LOSTSERVER, &serverlist_hook_lostserver); | |
113 | ||
114 | deregistercontrolcmd("serverlist",cmd_serverlist); | |
475b3d9d GB |
115 | |
116 | deleteschedule(NULL, &serverlist_pingservers, NULL); | |
ea3692b9 | 117 | |
81f6c579 CP |
118 | freesstring(q_server); |
119 | freesstring(s_server); | |
120 | pcre_free(service_re); | |
121 | pcre_free(hub_re); | |
122 | pcre_free(not_client_re); | |
b7eccf5f P |
123 | } |
124 | ||
125 | int cmd_serverlist(void *sender, int cargc, char **cargv) { | |
126 | nick *np = (nick*)sender; | |
127 | int a, i, ucount, acount, scount; | |
41b5727a | 128 | char lagstr[20]; |
81f6c579 | 129 | char buf[512]; |
b7eccf5f | 130 | |
6b129155 | 131 | controlreply(np, "%-7s %-35s %5s/%5s/%-7s %-7s %-7s %-20s %-8s %-20s", "Numeric", "Hostname", "ECl", "Cl", "MaxCl", "Flags", "Type", "Connected for", "Lag", "Version"); |
b7eccf5f P |
132 | |
133 | scount = acount = 0; | |
134 | ||
135 | for (i = 0; i < MAXSERVERS; i++) { | |
136 | if (serverlist[i].linkstate == LS_LINKED && (cargc < 1 || match2strings(cargv[0], serverlist[i].name->content))) { | |
137 | ucount = 0; | |
138 | ||
19f8fda5 | 139 | for (a = 0; a <= serverlist[i].maxusernum; a++) |
b7eccf5f P |
140 | if (servernicks[i][a] != NULL) |
141 | ucount++; | |
142 | ||
143 | acount += ucount; | |
144 | scount++; | |
145 | ||
41b5727a GB |
146 | if (serverinfo[i].lag == -1) |
147 | strcpy(lagstr, "-"); | |
148 | else | |
149 | snprintf(lagstr, sizeof(lagstr), "%d", serverinfo[i].lag); | |
150 | ||
81f6c579 CP |
151 | strlcpy(buf, printflags(serverinfo[i].type, servertypeflags), sizeof(buf)); |
152 | ||
6b129155 | 153 | controlreply(np, "%-7d %-35s %5d/%5d/%-7d %-7s %-7s %-20s %-8s %-20s - %s", i, serverlist[i].name->content, |
4f2ceb49 | 154 | servercount[i], ucount, serverlist[i].maxusernum, |
81f6c579 | 155 | printflags(serverlist[i].flags, smodeflags), buf, |
618cddb2 | 156 | longtoduration(getnettime() - serverlist[i].ts, 0), |
41b5727a | 157 | lagstr, |
b7eccf5f P |
158 | serverinfo[i].version1 ? serverinfo[i].version1->content : "Unknown", |
159 | serverinfo[i].version2 ? serverinfo[i].version2->content : "Unknown"); | |
160 | } | |
161 | } | |
162 | ||
163 | controlreply(np, "--- End of list. %d users and %d servers on the net.", acount, scount); | |
164 | ||
165 | /* update version info for next time */ | |
166 | serverlist_doversion(); | |
167 | ||
168 | return CMD_OK; | |
169 | } | |
170 | ||
171 | int serverlist_versionreply(void *source, int cargc, char **cargv) { | |
172 | int num; | |
173 | ||
174 | if (cargc < 6) | |
175 | return CMD_OK; | |
176 | ||
177 | num = numerictolong(cargv[0], 2); | |
178 | ||
179 | if (serverinfo[num].used) { | |
180 | freesstring(serverinfo[num].version1); | |
181 | freesstring(serverinfo[num].version2); | |
182 | ||
183 | serverinfo[num].version1 = getsstring(cargv[3], strlen(cargv[3])); | |
184 | serverinfo[num].version2 = getsstring(cargv[5], strlen(cargv[5])); | |
185 | } | |
186 | return CMD_OK; | |
187 | } | |
188 | ||
189 | void serverlist_doversion(void) { | |
190 | int i; | |
191 | char *num1, *numeric; | |
192 | ||
193 | if (mynick == NULL) | |
194 | return; | |
195 | ||
196 | for (i = 0; i < MAXSERVERS; i++) { | |
197 | if (serverlist[i].linkstate == LS_LINKED && serverinfo[i].version1 == NULL) { | |
198 | numeric = longtonumeric(mynick->numeric,5); | |
199 | num1 = (char*)malloc(strlen(numeric) + 1); /* bleh.. longtonumeric() is using static variables */ | |
200 | strcpy(num1, numeric); | |
201 | ||
202 | irc_send("%s V :%s", num1, longtonumeric(i,2)); | |
203 | free(num1); | |
204 | } | |
205 | } | |
206 | } | |
207 | ||
208 | void serverlist_hook_newserver(int hook, void *arg) { | |
209 | char *num1, *numeric; | |
074a4529 | 210 | long num = (long)arg; |
b7eccf5f | 211 | |
b7eccf5f | 212 | serverinfo[num].used = 1; |
b7eccf5f P |
213 | serverinfo[num].version1 = NULL; |
214 | serverinfo[num].version2 = NULL; | |
81f6c579 CP |
215 | serverinfo[num].type = getservertype(&serverlist[num]); |
216 | ||
217 | if (mynick == NULL) /* bleh this is buggy... doesn't do it when mynick appears */ | |
218 | return; | |
b7eccf5f P |
219 | |
220 | numeric = longtonumeric(mynick->numeric,5); | |
221 | num1 = (char*)malloc(strlen(numeric) + 1); /* bleh.. longtonumeric() is using static variables */ | |
222 | strcpy(num1, numeric); | |
223 | ||
224 | irc_send("%s V :%s", num1, longtonumeric(num,2)); | |
225 | ||
226 | free(num1); | |
227 | } | |
228 | ||
229 | void serverlist_hook_lostserver(int hook, void *arg) { | |
074a4529 | 230 | long num = (long)arg; |
b7eccf5f P |
231 | |
232 | serverinfo[num].used = 0; | |
233 | freesstring(serverinfo[num].version1); | |
234 | freesstring(serverinfo[num].version2); | |
235 | } | |
236 | ||
81f6c579 CP |
237 | flag_t getservertype(server *server) { |
238 | flag_t result = 0; | |
239 | char *server_name; | |
240 | int server_len; | |
241 | ||
242 | if(server == NULL || server->name == NULL) | |
243 | return 0; | |
244 | ||
245 | server_name = server->name->content; | |
246 | server_len = server->name->length; | |
247 | ||
248 | if(server->flags & SMODE_SERVICE) | |
249 | result|=SERVERTYPEFLAG_SERVICE; | |
250 | ||
251 | if(!strcmp(server_name, q_server->content)) { | |
252 | result|=SERVERTYPEFLAG_CHANSERV; | |
253 | result|=SERVERTYPEFLAG_CRITICAL_SERVICE; | |
254 | } else if(!strcmp(server_name, s_server->content)) { | |
255 | result|=SERVERTYPEFLAG_SPAMSCAN; | |
256 | result|=SERVERTYPEFLAG_CRITICAL_SERVICE; | |
257 | } else { | |
258 | if(service_re && (pcre_exec(service_re, NULL, server_name, server_len, 0, 0, NULL, 0) >= 0)) { | |
259 | /* matches service re */ | |
260 | if((server->flags & SMODE_SERVICE) == 0) { | |
261 | /* is not a service */ | |
262 | Error("serverlist", ERR_WARNING, "Non-service server (%s) matched service RE.", server_name); | |
263 | } | |
264 | } else { | |
265 | /* does not match service re */ | |
266 | if((server->flags & SMODE_SERVICE) != 0) { | |
267 | result|=SERVERTYPEFLAG_SERVICE; | |
268 | Error("serverlist", ERR_WARNING, "Service server (%s) that does not match service RE.", server_name); | |
269 | } | |
270 | } | |
271 | } | |
272 | ||
273 | if(hub_re && (pcre_exec(hub_re, NULL, server_name, server_len, 0, 0, NULL, 0) >= 0)) { | |
274 | if((server->flags & SMODE_HUB) != 0) { | |
275 | result|=SERVERTYPEFLAG_HUB; | |
276 | } else { | |
277 | Error("serverlist", ERR_WARNING, "Server matched hub re but isn't a hub (%s).", server_name); | |
278 | } | |
279 | } | |
280 | ||
81f6c579 CP |
281 | if(not_client_re && (pcre_exec(not_client_re, NULL, server_name, server_len, 0, 0, NULL, 0) >= 0)) { |
282 | /* noop */ | |
283 | } else if(result == 0) { | |
284 | result|=SERVERTYPEFLAG_CLIENT_SERVER; | |
285 | } | |
286 | ||
287 | return result; | |
288 | } | |
475b3d9d GB |
289 | |
290 | void serverlist_pingservers(void *arg) { | |
291 | int i; | |
292 | server *from, *to; | |
293 | char fnum[10], tnum[10]; | |
294 | struct timeval tv; | |
295 | ||
296 | if (!mynick) | |
297 | return; | |
298 | ||
299 | for(i=0;i<MAXSERVERS;i++) { | |
300 | to = &serverlist[i]; | |
301 | ||
302 | if (to->parent == -1) | |
303 | continue; | |
304 | ||
305 | from = &serverlist[to->parent]; | |
306 | ||
307 | if (to->linkstate != LS_LINKED || from->linkstate != LS_LINKED) | |
308 | continue; | |
309 | ||
310 | strcpy(fnum, longtonumeric(to->parent,2)); | |
311 | strcpy(tnum, longtonumeric(i, 2)); | |
312 | ||
313 | if (from->parent == -1) { /* Are we the source? */ | |
314 | (void) gettimeofday(&tv, NULL); | |
315 | irc_send("%s RI %s %s %jd %jd :RP", mynumeric->content, tnum, longtonumeric(mynick->numeric,5), (intmax_t)tv.tv_sec, (intmax_t)tv.tv_usec); | |
316 | } else { | |
317 | strcpy(fnum, longtonumeric(to->parent,2)); | |
318 | strcpy(tnum, longtonumeric(i, 2)); | |
319 | irc_send("%s RI %s %s :RP", longtonumeric(mynick->numeric,5), to->name->content, fnum); | |
320 | } | |
321 | } | |
322 | } | |
323 | ||
324 | int serverlist_rpong(void *source, int cargc, char **cargv) { | |
325 | int to, lag; | |
326 | struct timeval tv; | |
327 | ||
328 | if (cargc < 4) | |
329 | return CMD_ERROR; | |
330 | ||
331 | if (cargc == 5) { /* From target to source server */ | |
332 | if (strcmp(cargv[4], "RP") != 0) | |
333 | return CMD_OK; | |
334 | ||
335 | to = numerictolong(source, 2); | |
336 | ||
337 | (void) gettimeofday(&tv, NULL); | |
338 | lag = (tv.tv_sec - strtoull(cargv[2], NULL, 10)) * 1000 + (tv.tv_usec - strtoull(cargv[3], NULL, 10)) / 1000; | |
339 | } else { /* From source server to client */ | |
340 | if (strcmp(cargv[3], "RP") != 0) | |
341 | return CMD_OK; | |
342 | ||
343 | to = findserver(cargv[1]); | |
344 | ||
345 | if (to == -1) | |
346 | return CMD_ERROR; | |
347 | ||
348 | lag = atoi(cargv[2]); | |
349 | } | |
350 | ||
351 | serverinfo[to].lag = lag; | |
352 | ||
353 | return CMD_OK; | |
354 | } |