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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_accept.c: Allows a user to talk to a +g user. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
24 | * $Id: m_accept.c 254 2005-09-21 23:35:12Z nenolod $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "client.h" | |
29 | #include "hash.h" | |
30 | #include "ircd.h" | |
31 | #include "numeric.h" | |
32 | #include "s_conf.h" | |
33 | #include "s_serv.h" | |
34 | #include "send.h" | |
35 | #include "msg.h" | |
36 | #include "parse.h" | |
212380e3 AC |
37 | #include "modules.h" |
38 | ||
39 | static int m_accept(struct Client *, struct Client *, int, const char **); | |
40 | static void build_nicklist(struct Client *, char *, char *, const char *); | |
41 | ||
42 | static void add_accept(struct Client *, struct Client *); | |
43 | static void list_accepts(struct Client *); | |
44 | ||
45 | struct Message accept_msgtab = { | |
46 | "ACCEPT", 0, 0, 0, MFLG_SLOW | MFLG_UNREG, | |
47 | {mg_unreg, {m_accept, 2}, mg_ignore, mg_ignore, mg_ignore, {m_accept, 2}} | |
48 | }; | |
49 | ||
50 | mapi_clist_av1 accept_clist[] = { | |
51 | &accept_msgtab, NULL | |
52 | }; | |
53 | DECLARE_MODULE_AV1(accept, NULL, NULL, accept_clist, NULL, NULL, "$Revision: 254 $"); | |
54 | ||
55 | /* | |
56 | * m_accept - ACCEPT command handler | |
57 | * parv[0] = sender prefix | |
58 | * parv[1] = servername | |
59 | */ | |
60 | static int | |
61 | m_accept(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
62 | { | |
63 | char *nick; | |
64 | char *p = NULL; | |
65 | static char addbuf[BUFSIZE]; | |
66 | static char delbuf[BUFSIZE]; | |
67 | struct Client *target_p; | |
68 | int accept_num; | |
69 | ||
70 | if(*parv[1] == '*') | |
71 | { | |
72 | list_accepts(source_p); | |
73 | return 0; | |
74 | } | |
75 | ||
76 | build_nicklist(source_p, addbuf, delbuf, parv[1]); | |
77 | ||
78 | /* parse the delete list */ | |
4a2651e5 | 79 | for (nick = rb_strtok_r(delbuf, ",", &p); nick != NULL; nick = rb_strtok_r(NULL, ",", &p)) |
212380e3 AC |
80 | { |
81 | /* shouldnt happen, but lets be paranoid */ | |
82 | if((target_p = find_named_person(nick)) == NULL) | |
83 | { | |
84 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
85 | form_str(ERR_NOSUCHNICK), nick); | |
86 | continue; | |
87 | } | |
88 | ||
89 | /* user isnt on clients accept list */ | |
90 | if(!accept_message(target_p, source_p)) | |
91 | { | |
92 | sendto_one(source_p, form_str(ERR_ACCEPTNOT), | |
93 | me.name, source_p->name, target_p->name); | |
94 | continue; | |
95 | } | |
96 | ||
555ac41f JT |
97 | rb_dlinkFindDestroy(target_p, &source_p->localClient->allow_list); |
98 | rb_dlinkFindDestroy(source_p, &target_p->on_allow_list); | |
212380e3 AC |
99 | } |
100 | ||
101 | /* get the number of accepts they have */ | |
5b96d9a6 | 102 | accept_num = rb_dlink_list_length(&source_p->localClient->allow_list); |
212380e3 AC |
103 | |
104 | /* parse the add list */ | |
4a2651e5 | 105 | for (nick = rb_strtok_r(addbuf, ",", &p); nick; nick = rb_strtok_r(NULL, ",", &p), accept_num++) |
212380e3 AC |
106 | { |
107 | /* shouldnt happen, but lets be paranoid */ | |
108 | if((target_p = find_named_person(nick)) == NULL) | |
109 | { | |
110 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
111 | form_str(ERR_NOSUCHNICK), nick); | |
112 | continue; | |
113 | } | |
114 | ||
115 | /* user is already on clients accept list */ | |
116 | if(accept_message(target_p, source_p)) | |
117 | { | |
118 | sendto_one(source_p, form_str(ERR_ACCEPTEXIST), | |
119 | me.name, source_p->name, target_p->name); | |
120 | continue; | |
121 | } | |
122 | ||
123 | if(accept_num >= ConfigFileEntry.max_accept) | |
124 | { | |
125 | sendto_one(source_p, form_str(ERR_ACCEPTFULL), me.name, source_p->name); | |
126 | return 0; | |
127 | } | |
128 | ||
129 | /* why is this here? */ | |
130 | /* del_from accept(target_p, source_p); */ | |
131 | add_accept(source_p, target_p); | |
212380e3 AC |
132 | } |
133 | ||
134 | return 0; | |
135 | } | |
136 | ||
137 | /* | |
138 | * build_nicklist() | |
139 | * | |
140 | * input - pointer to client | |
141 | * - pointer to addbuffer | |
142 | * - pointer to remove buffer | |
143 | * - pointer to list of nicks | |
144 | * output - | |
145 | * side effects - addbuf/delbuf are modified to give valid nicks | |
146 | */ | |
147 | static void | |
148 | build_nicklist(struct Client *source_p, char *addbuf, char *delbuf, const char *nicks) | |
149 | { | |
150 | char *name; | |
151 | char *p; | |
152 | int lenadd; | |
153 | int lendel; | |
154 | int del; | |
155 | struct Client *target_p; | |
156 | char *n = LOCAL_COPY(nicks); | |
157 | ||
158 | *addbuf = *delbuf = '\0'; | |
159 | del = lenadd = lendel = 0; | |
160 | ||
161 | /* build list of clients to add into addbuf, clients to remove in delbuf */ | |
4a2651e5 | 162 | for (name = rb_strtok_r(n, ",", &p); name; name = rb_strtok_r(NULL, ",", &p), del = 0) |
212380e3 AC |
163 | { |
164 | if(*name == '-') | |
165 | { | |
166 | del = 1; | |
167 | name++; | |
168 | } | |
169 | ||
170 | if((target_p = find_named_person(name)) == NULL) | |
171 | { | |
172 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
173 | form_str(ERR_NOSUCHNICK), name); | |
174 | continue; | |
175 | } | |
176 | ||
177 | /* we're deleting a client */ | |
178 | if(del) | |
179 | { | |
180 | if(*delbuf) | |
181 | (void) strcat(delbuf, ","); | |
182 | ||
183 | (void) strncat(delbuf, name, BUFSIZE - lendel - 1); | |
184 | lendel += strlen(name) + 1; | |
185 | } | |
186 | /* adding a client */ | |
187 | else | |
188 | { | |
189 | if(*addbuf) | |
190 | (void) strcat(addbuf, ","); | |
191 | ||
192 | (void) strncat(addbuf, name, BUFSIZE - lenadd - 1); | |
193 | lenadd += strlen(name) + 1; | |
194 | } | |
195 | } | |
196 | } | |
197 | ||
198 | /* | |
199 | * add_accept() | |
200 | * | |
201 | * input - pointer to clients accept list to add to | |
202 | * - pointer to client to add | |
203 | * output - none | |
204 | * side effects - target is added to clients list | |
205 | */ | |
206 | static void | |
207 | add_accept(struct Client *source_p, struct Client *target_p) | |
208 | { | |
7018b86a JT |
209 | rb_dlinkAddAlloc(target_p, &source_p->localClient->allow_list); |
210 | rb_dlinkAddAlloc(source_p, &target_p->on_allow_list); | |
212380e3 AC |
211 | } |
212 | ||
213 | ||
214 | /* | |
215 | * list_accepts() | |
216 | * | |
217 | * input - pointer to client | |
218 | * output - none | |
219 | * side effects - print accept list to client | |
220 | */ | |
221 | static void | |
222 | list_accepts(struct Client *source_p) | |
223 | { | |
5b96d9a6 | 224 | rb_dlink_node *ptr; |
212380e3 AC |
225 | struct Client *target_p; |
226 | char nicks[BUFSIZE]; | |
227 | int len = 0; | |
228 | int len2 = 0; | |
229 | int count = 0; | |
230 | ||
231 | *nicks = '\0'; | |
232 | len2 = strlen(source_p->name) + 10; | |
233 | ||
5b96d9a6 | 234 | RB_DLINK_FOREACH(ptr, source_p->localClient->allow_list.head) |
212380e3 AC |
235 | { |
236 | target_p = ptr->data; | |
237 | ||
238 | if(target_p) | |
239 | { | |
240 | ||
241 | if((len + strlen(target_p->name) + len2 > BUFSIZE) || count > 14) | |
242 | { | |
243 | sendto_one(source_p, form_str(RPL_ACCEPTLIST), | |
244 | me.name, source_p->name, nicks); | |
245 | ||
246 | len = count = 0; | |
247 | *nicks = '\0'; | |
248 | } | |
249 | ||
7cdb0a09 | 250 | len += rb_snprintf(nicks + len, sizeof(nicks) - len, "%s ", target_p->name); |
212380e3 AC |
251 | count++; |
252 | } | |
253 | } | |
254 | ||
255 | if(*nicks) | |
256 | sendto_one(source_p, form_str(RPL_ACCEPTLIST), | |
257 | me.name, source_p->name, nicks); | |
258 | ||
259 | sendto_one(source_p, form_str(RPL_ENDOFACCEPT), | |
260 | me.name, source_p->name); | |
261 | ||
262 | } |