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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 | ||
428ca87b | 39 | static int m_accept(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
212380e3 AC |
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 = { | |
7baa37a9 | 46 | "ACCEPT", 0, 0, 0, 0, |
212380e3 AC |
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 | |
212380e3 AC |
57 | * parv[1] = servername |
58 | */ | |
59 | static int | |
428ca87b | 60 | m_accept(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
61 | { |
62 | char *nick; | |
63 | char *p = NULL; | |
64 | static char addbuf[BUFSIZE]; | |
65 | static char delbuf[BUFSIZE]; | |
66 | struct Client *target_p; | |
67 | int accept_num; | |
68 | ||
69 | if(*parv[1] == '*') | |
70 | { | |
71 | list_accepts(source_p); | |
72 | return 0; | |
73 | } | |
74 | ||
75 | build_nicklist(source_p, addbuf, delbuf, parv[1]); | |
76 | ||
77 | /* parse the delete list */ | |
4a2651e5 | 78 | for (nick = rb_strtok_r(delbuf, ",", &p); nick != NULL; nick = rb_strtok_r(NULL, ",", &p)) |
212380e3 AC |
79 | { |
80 | /* shouldnt happen, but lets be paranoid */ | |
81 | if((target_p = find_named_person(nick)) == NULL) | |
82 | { | |
83 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
84 | form_str(ERR_NOSUCHNICK), nick); | |
85 | continue; | |
86 | } | |
87 | ||
88 | /* user isnt on clients accept list */ | |
89 | if(!accept_message(target_p, source_p)) | |
90 | { | |
91 | sendto_one(source_p, form_str(ERR_ACCEPTNOT), | |
92 | me.name, source_p->name, target_p->name); | |
93 | continue; | |
94 | } | |
95 | ||
555ac41f JT |
96 | rb_dlinkFindDestroy(target_p, &source_p->localClient->allow_list); |
97 | rb_dlinkFindDestroy(source_p, &target_p->on_allow_list); | |
212380e3 AC |
98 | } |
99 | ||
100 | /* get the number of accepts they have */ | |
5b96d9a6 | 101 | accept_num = rb_dlink_list_length(&source_p->localClient->allow_list); |
212380e3 AC |
102 | |
103 | /* parse the add list */ | |
4a2651e5 | 104 | for (nick = rb_strtok_r(addbuf, ",", &p); nick; nick = rb_strtok_r(NULL, ",", &p), accept_num++) |
212380e3 AC |
105 | { |
106 | /* shouldnt happen, but lets be paranoid */ | |
107 | if((target_p = find_named_person(nick)) == NULL) | |
108 | { | |
109 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
110 | form_str(ERR_NOSUCHNICK), nick); | |
111 | continue; | |
112 | } | |
113 | ||
114 | /* user is already on clients accept list */ | |
115 | if(accept_message(target_p, source_p)) | |
116 | { | |
117 | sendto_one(source_p, form_str(ERR_ACCEPTEXIST), | |
118 | me.name, source_p->name, target_p->name); | |
119 | continue; | |
120 | } | |
121 | ||
122 | if(accept_num >= ConfigFileEntry.max_accept) | |
123 | { | |
124 | sendto_one(source_p, form_str(ERR_ACCEPTFULL), me.name, source_p->name); | |
125 | return 0; | |
126 | } | |
127 | ||
128 | /* why is this here? */ | |
129 | /* del_from accept(target_p, source_p); */ | |
130 | add_accept(source_p, target_p); | |
212380e3 AC |
131 | } |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
136 | /* | |
137 | * build_nicklist() | |
138 | * | |
139 | * input - pointer to client | |
140 | * - pointer to addbuffer | |
141 | * - pointer to remove buffer | |
142 | * - pointer to list of nicks | |
55abcbb2 | 143 | * output - |
212380e3 AC |
144 | * side effects - addbuf/delbuf are modified to give valid nicks |
145 | */ | |
146 | static void | |
147 | build_nicklist(struct Client *source_p, char *addbuf, char *delbuf, const char *nicks) | |
148 | { | |
149 | char *name; | |
150 | char *p; | |
151 | int lenadd; | |
152 | int lendel; | |
153 | int del; | |
212380e3 AC |
154 | char *n = LOCAL_COPY(nicks); |
155 | ||
156 | *addbuf = *delbuf = '\0'; | |
157 | del = lenadd = lendel = 0; | |
158 | ||
159 | /* build list of clients to add into addbuf, clients to remove in delbuf */ | |
4a2651e5 | 160 | for (name = rb_strtok_r(n, ",", &p); name; name = rb_strtok_r(NULL, ",", &p), del = 0) |
212380e3 AC |
161 | { |
162 | if(*name == '-') | |
163 | { | |
164 | del = 1; | |
165 | name++; | |
166 | } | |
167 | ||
f93bc397 | 168 | if(find_named_person(name) == NULL) |
212380e3 | 169 | { |
55abcbb2 | 170 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, |
212380e3 AC |
171 | form_str(ERR_NOSUCHNICK), name); |
172 | continue; | |
173 | } | |
174 | ||
175 | /* we're deleting a client */ | |
176 | if(del) | |
177 | { | |
178 | if(*delbuf) | |
179 | (void) strcat(delbuf, ","); | |
180 | ||
181 | (void) strncat(delbuf, name, BUFSIZE - lendel - 1); | |
182 | lendel += strlen(name) + 1; | |
183 | } | |
184 | /* adding a client */ | |
185 | else | |
186 | { | |
187 | if(*addbuf) | |
188 | (void) strcat(addbuf, ","); | |
189 | ||
190 | (void) strncat(addbuf, name, BUFSIZE - lenadd - 1); | |
191 | lenadd += strlen(name) + 1; | |
192 | } | |
193 | } | |
194 | } | |
195 | ||
196 | /* | |
197 | * add_accept() | |
198 | * | |
199 | * input - pointer to clients accept list to add to | |
200 | * - pointer to client to add | |
201 | * output - none | |
202 | * side effects - target is added to clients list | |
203 | */ | |
204 | static void | |
205 | add_accept(struct Client *source_p, struct Client *target_p) | |
206 | { | |
7018b86a JT |
207 | rb_dlinkAddAlloc(target_p, &source_p->localClient->allow_list); |
208 | rb_dlinkAddAlloc(source_p, &target_p->on_allow_list); | |
212380e3 AC |
209 | } |
210 | ||
211 | ||
212 | /* | |
213 | * list_accepts() | |
214 | * | |
215 | * input - pointer to client | |
216 | * output - none | |
217 | * side effects - print accept list to client | |
218 | */ | |
219 | static void | |
220 | list_accepts(struct Client *source_p) | |
221 | { | |
5b96d9a6 | 222 | rb_dlink_node *ptr; |
212380e3 AC |
223 | struct Client *target_p; |
224 | char nicks[BUFSIZE]; | |
225 | int len = 0; | |
226 | int len2 = 0; | |
227 | int count = 0; | |
228 | ||
229 | *nicks = '\0'; | |
230 | len2 = strlen(source_p->name) + 10; | |
231 | ||
5b96d9a6 | 232 | RB_DLINK_FOREACH(ptr, source_p->localClient->allow_list.head) |
212380e3 AC |
233 | { |
234 | target_p = ptr->data; | |
235 | ||
236 | if(target_p) | |
237 | { | |
238 | ||
239 | if((len + strlen(target_p->name) + len2 > BUFSIZE) || count > 14) | |
240 | { | |
241 | sendto_one(source_p, form_str(RPL_ACCEPTLIST), | |
242 | me.name, source_p->name, nicks); | |
243 | ||
244 | len = count = 0; | |
245 | *nicks = '\0'; | |
246 | } | |
247 | ||
5203cba5 | 248 | len += snprintf(nicks + len, sizeof(nicks) - len, "%s ", target_p->name); |
212380e3 AC |
249 | count++; |
250 | } | |
251 | } | |
252 | ||
253 | if(*nicks) | |
55abcbb2 | 254 | sendto_one(source_p, form_str(RPL_ACCEPTLIST), |
212380e3 AC |
255 | me.name, source_p->name, nicks); |
256 | ||
55abcbb2 | 257 | sendto_one(source_p, form_str(RPL_ENDOFACCEPT), |
212380e3 AC |
258 | me.name, source_p->name); |
259 | ||
260 | } |