/[svn]/ircd-hybrid-7.2/contrib/m_flags.c
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Contents of /ircd-hybrid-7.2/contrib/m_flags.c

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Revision 32 - (show annotations)
Sun Oct 2 20:41:23 2005 UTC (14 years, 9 months ago) by knight
Original Path: ircd-hybrid/contrib/m_flags.c
File MIME type: text/x-chdr
File size: 12975 byte(s)
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1 /*
2 * m_flags.c: Implements comstud-style mode flags.
3 *
4 * Copyright 2002 by W. Campbell and the ircd-hybrid development team
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * 1.Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * 2.Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3.The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $Id$
31 */
32
33 /* List of ircd includes from ../include/ */
34 #include "stdinc.h"
35 #include "handlers.h"
36 #include "client.h"
37 #include "common.h" /* FALSE bleah */
38 #include "ircd.h"
39 #include "irc_string.h"
40 #include "sprintf_irc.h"
41 #include "numeric.h"
42 #include "fdlist.h"
43 #include "s_bsd.h"
44 #include "s_conf.h"
45 #include "s_log.h"
46 #include "s_serv.h"
47 #include "send.h"
48 #include "msg.h"
49 #include "parse.h"
50 #include "modules.h"
51 #include "s_user.h" /* send_umode_out() */
52
53 static void m_flags(struct Client *, struct Client *, int, char *[]);
54 static void mo_flags(struct Client *, struct Client *, int, char *[]);
55
56 static char *set_flags_to_string(struct Client *);
57 static char *unset_flags_to_string(struct Client *);
58
59 struct Message flags_msgtab = {
60 "FLAGS", 0, 0, 0, 0, MFLG_SLOW, 0,
61 {m_unregistered, m_flags, m_ignore, m_ignore, mo_flags, m_ignore}
62 };
63
64 #ifndef STATIC_MODULES
65 void
66 _modinit(void)
67 {
68 mod_add_cmd(&flags_msgtab);
69 }
70
71 void
72 _moddeinit(void)
73 {
74 mod_del_cmd(&flags_msgtab);
75 }
76
77 const char *_version = "$Revision$";
78 #endif
79
80 /* FLAGS requires it's own mini parser, since the last parameter in it can
81 * contain a number of FLAGS. CS handles FLAGS mode1 mode2 OR
82 * FLAGS :mode1 mode2, but not both mixed.
83 *
84 * The best way to match a flag to a mode is with a simple table
85 */
86
87 static struct FlagTable
88 {
89 const char *name;
90 unsigned int mode;
91 int oper;
92 } flag_table[] = {
93 /* name mode it represents oper only? */
94 { "OWALLOPS", UMODE_OPERWALL, 1 },
95 { "SWALLOPS", UMODE_WALLOP, 0 },
96 { "STATSNOTICES", UMODE_SPY, 1 },
97 /* We don't have a separate OKILL and SKILL modes */
98 { "OKILLS", UMODE_SKILL, 0 },
99 { "SKILLS", UMODE_SKILL, 0 },
100 { "SNOTICES", UMODE_SERVNOTICE, 0 },
101 /* We don't have separate client connect and disconnect modes */
102 { "CLICONNECTS", UMODE_CCONN, 1 },
103 { "CLIDISCONNECTS", UMODE_CCONN, 1 },
104 /* I'm taking a wild guess here... */
105 { "THROTTLES", UMODE_REJ, 1 },
106 #if 0
107 /* This one is special...controlled via an oper block option */
108 { "NICKCHANGES", UMODE_NCHANGE, 1 },
109 /* NICKCHANGES must be checked for separately */
110 #endif
111 /* I'm assuming this is correct... */
112 { "IPMISMATCHES", UMODE_UNAUTH, 1 },
113 { "LWALLOPS", UMODE_LOCOPS, 1 },
114 /* These aren't separate on Hybrid */
115 { "CONNECTS", UMODE_EXTERNAL, 1 },
116 { "SQUITS", UMODE_EXTERNAL, 1 },
117 /* Now we have our Hybrid specific flags */
118 { "FULL", UMODE_FULL, 1 },
119 /* Not in CS, but we might as well put it here */
120 { "INVISIBLE", UMODE_INVISIBLE, 0 },
121 { "BOTS", UMODE_BOTS, 1 },
122 { "CALLERID", UMODE_CALLERID, 0 },
123 { "UNAUTH", UMODE_UNAUTH, 1 },
124 { "DEBUG", UMODE_DEBUG, 1 },
125 { NULL, 0, 0 }
126 };
127
128 /* We won't control CALLERID or INVISIBLE in here */
129
130 #define FL_ALL_USER_FLAGS (UMODE_WALLOP | UMODE_SKILL | UMODE_SERVNOTICE )
131
132 /* and we don't control NCHANGES here either */
133
134 #define FL_ALL_OPER_FLAGS (FL_ALL_USER_FLAGS | UMODE_CCONN | UMODE_REJ |\
135 UMODE_FULL | UMODE_SPY | UMODE_DEBUG |\
136 UMODE_OPERWALL | UMODE_BOTS | UMODE_EXTERNAL |\
137 UMODE_UNAUTH | UMODE_LOCOPS )
138
139 /* m_flags()
140 *
141 * parv[0] = sender prefix
142 * parv[1] = parameter
143 */
144 static void
145 m_flags(struct Client *client_p, struct Client *source_p,
146 int parc, char *parv[])
147 {
148 int i,j;
149 int isadd;
150 int isgood;
151 unsigned int setflags;
152 char *p;
153 char *flag;
154
155 if (parc < 2)
156 {
157 /* Generate a list of what flags you have and what you are missing,
158 ** and send it to the user
159 */
160 sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
161 me.name, parv[0], set_flags_to_string(source_p));
162 sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
163 me.name, parv[0], unset_flags_to_string(source_p));
164 return;
165 }
166
167 /* Preserve the current flags */
168 setflags = source_p->umodes;
169
170 /* XXX - change this to support a multiple last parameter like ISON */
171
172 for (i = 1; i < parc; i++)
173 {
174 for (flag = strtoken(&p, parv[i], " "); flag;
175 flag = strtoken(&p, NULL, " "))
176 {
177 /* We default to being in ADD mode */
178 isadd = 1;
179
180 /* We default to being in BAD mode */
181 isgood = 0;
182
183 if (!isalpha(*flag))
184 {
185 if (*flag == '-')
186 isadd = 0;
187 else if (*flag == '+')
188 isadd = 1;
189 ++flag;
190 }
191
192 /* support ALL here */
193 if (!irccmp(flag, "ALL"))
194 {
195 if (isadd)
196 source_p->umodes |= FL_ALL_USER_FLAGS;
197 else
198 source_p->umodes &= ~FL_ALL_USER_FLAGS;
199 sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
200 me.name, parv[0], set_flags_to_string(source_p));
201 sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
202 me.name, parv[0], unset_flags_to_string(source_p));
203 send_umode_out(client_p, source_p, setflags);
204 return;
205 }
206
207 for (j = 0; flag_table[j].name; j++)
208 {
209 if (!flag_table[j].oper && !irccmp(flag, flag_table[j].name))
210 {
211 if (isadd)
212 source_p->umodes |= flag_table[j].mode;
213 else
214 source_p->umodes &= ~flag_table[j].mode;
215 isgood = 1;
216 continue;
217 }
218 }
219 /* This for ended without matching a valid FLAG, here is where
220 * I want to operate differently than ircd-comstud, and just ignore
221 * the invalid flag, send a warning and go on.
222 */
223 if (!isgood)
224 sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
225 me.name, parv[0], flag);
226 }
227 }
228
229 /* All done setting the flags, print the notices out to the user
230 * telling what flags they have and what flags they are missing
231 */
232 sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
233 me.name, parv[0], set_flags_to_string(source_p));
234 sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
235 me.name, parv[0], unset_flags_to_string(source_p));
236
237 send_umode_out(client_p, source_p, setflags);
238 }
239
240 /* mo_flags()
241 *
242 * parv[0] = sender prefix
243 * parv[1] = parameter
244 */
245 static void
246 mo_flags(struct Client *client_p, struct Client *source_p,
247 int parc, char *parv[])
248 {
249 int i,j;
250 int isadd;
251 int isgood;
252 unsigned int setflags;
253 char *p;
254 char *flag;
255
256 if (parc < 2)
257 {
258 /* Generate a list of what flags you have and what you are missing,
259 ** and send it to the user
260 */
261 sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
262 me.name, parv[0], set_flags_to_string(source_p));
263 sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
264 me.name, parv[0], unset_flags_to_string(source_p));
265 return;
266 }
267
268 /* Preserve the current flags */
269 setflags = source_p->umodes;
270
271 /* XXX - change this to support a multiple last parameter like ISON */
272
273 for (i = 1; i < parc; i++)
274 {
275 for (flag = strtoken(&p, parv[i], " "); flag;
276 flag = strtoken(&p, NULL, " "))
277 {
278 /* We default to being in ADD mode */
279 isadd = 1;
280
281 /* We default to being in BAD mode */
282 isgood = 0;
283
284 if (!isalpha(*flag))
285 {
286 if (*flag == '-')
287 isadd = 0;
288 else if (*flag == '+')
289 isadd = 1;
290 ++flag;
291 }
292
293 /* support ALL here */
294 if (!irccmp(flag, "ALL"))
295 {
296 if (isadd)
297 source_p->umodes |= FL_ALL_OPER_FLAGS;
298 else
299 source_p->umodes &= ~FL_ALL_OPER_FLAGS;
300 sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
301 me.name, parv[0], set_flags_to_string(source_p));
302 sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
303 me.name, parv[0], unset_flags_to_string(source_p));
304 send_umode_out(client_p, source_p, setflags);
305 return;
306 }
307
308 if (!irccmp(flag, "NICKCHANGES"))
309 {
310 if (!IsOperN(source_p))
311 {
312 sendto_one(source_p,
313 ":%s NOTICE %s :*** You have no nick_changes flag;",
314 me.name,parv[0]);
315 continue;
316 }
317 if (isadd)
318 source_p->umodes |= UMODE_NCHANGE;
319 else
320 source_p->umodes &= ~UMODE_NCHANGE;
321 isgood = 1;
322 continue;
323 }
324
325 for (j = 0; flag_table[j].name; j++)
326 {
327 if (!irccmp(flag, flag_table[j].name))
328 {
329 if (isadd)
330 source_p->umodes |= flag_table[j].mode;
331 else
332 source_p->umodes &= ~ (flag_table[j].mode);
333 isgood = 1;
334 continue;
335 }
336 }
337 /* This for ended without matching a valid FLAG, here is where
338 * I want to operate differently than ircd-comstud, and just ignore
339 * the invalid flag, send a warning and go on.
340 */
341 if (!isgood)
342 sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
343 me.name, parv[0], flag);
344 }
345 }
346
347 /* All done setting the flags, print the notices out to the user
348 ** telling what flags they have and what flags they are missing
349 */
350 sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
351 me.name, parv[0], set_flags_to_string(source_p));
352 sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
353 me.name, parv[0], unset_flags_to_string(source_p));
354
355 send_umode_out(client_p, source_p, setflags);
356 }
357
358 static char *
359 set_flags_to_string(struct Client *client_p)
360 {
361 /* XXX - list all flags that we have set on the client */
362 static char setflags[IRCD_BUFSIZE + 1];
363 int i;
364
365 /* Clear it to begin with, we'll be doing a lot of ircsprintf's */
366 setflags[0] = '\0';
367
368 /* Unlike unset_flags_to_string(), we don't have to care about oper
369 ** flags and not showing them
370 */
371
372 for (i = 0; flag_table[i].name; i++)
373 {
374 if (client_p->umodes & flag_table[i].mode)
375 {
376 ircsprintf(setflags, "%s %s", setflags, flag_table[i].name);
377 }
378 }
379
380 #if 0
381 if (IsOper(client_p) && IsOperN(client_p))
382 {
383 #endif
384 /* You can only be set +NICKCHANGES if you are an oper and
385 * IsOperN(client_p) is true
386 */
387 if (client_p->umodes & UMODE_NCHANGE)
388 {
389 ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
390 }
391 #if 0
392 }
393 #endif
394 return setflags;
395 }
396
397 static char *
398 unset_flags_to_string(struct Client *client_p)
399 {
400 /* Inverse of above */
401 /* XXX - list all flags that we do NOT have set on the client */
402 static char setflags[IRCD_BUFSIZE + 1];
403 int i, isoper;
404
405 /* Clear it to begin with, we'll be doing a lot of ircsprintf's */
406 setflags[0] = '\0';
407
408 isoper = IsOper(client_p) != 0;
409
410 for (i = 0; flag_table[i].name; i++)
411 {
412 if (!(client_p->umodes & flag_table[i].mode))
413 {
414 if (!isoper && flag_table[i].oper)
415 continue;
416
417 ircsprintf(setflags, "%s %s", setflags,
418 flag_table[i].name);
419 }
420 }
421
422 if (IsOper(client_p) && IsOperN(client_p))
423 {
424 if (!(client_p->umodes & UMODE_NCHANGE))
425 {
426 ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
427 }
428 }
429
430 return setflags;
431 }

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