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Commit | Line | Data |
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4d21f1e8 AC |
1 | /* |
2 | * Helpops system. | |
3 | * -- kaniini | |
4 | */ | |
5 | ||
6 | #include "stdinc.h" | |
7 | #include "modules.h" | |
8 | #include "client.h" | |
9 | #include "hook.h" | |
10 | #include "ircd.h" | |
11 | #include "send.h" | |
12 | #include "s_conf.h" | |
13 | #include "s_user.h" | |
14 | #include "s_newconf.h" | |
15 | #include "numeric.h" | |
16 | ||
eeabf33a EM |
17 | static const char helpops_desc[] = "The helpops system as used by freenode"; |
18 | ||
4d21f1e8 AC |
19 | static rb_dlink_list helper_list = { NULL, NULL, 0 }; |
20 | static void h_hdl_stats_request(hook_data_int *hdata); | |
21 | static void h_hdl_new_remote_user(struct Client *client_p); | |
22 | static void h_hdl_client_exit(hook_data_client_exit *hdata); | |
23 | static void h_hdl_umode_changed(hook_data_umode_changed *hdata); | |
24 | static void h_hdl_whois(hook_data_client *hdata); | |
4d3f8ead | 25 | static void recurse_client_exit(struct Client *client_p); |
b1c32af9 AC |
26 | static void helper_add(struct Client *client_p); |
27 | static void helper_delete(struct Client *client_p); | |
3c7d6fcc EM |
28 | static void mo_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
29 | static void me_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
30 | static void do_dehelper(struct Client *source_p, struct Client *target_p); | |
4d21f1e8 AC |
31 | |
32 | mapi_hfn_list_av1 helpops_hfnlist[] = { | |
33 | { "doing_stats", (hookfn) h_hdl_stats_request }, | |
34 | { "new_remote_user", (hookfn) h_hdl_new_remote_user }, | |
35 | { "client_exit", (hookfn) h_hdl_client_exit }, | |
36 | { "umode_changed", (hookfn) h_hdl_umode_changed }, | |
37 | { "doing_whois", (hookfn) h_hdl_whois }, | |
38 | { "doing_whois_global", (hookfn) h_hdl_whois }, | |
39 | { NULL, NULL } | |
40 | }; | |
41 | ||
42 | static int UMODE_HELPOPS = 0; | |
43 | ||
161ac1c8 | 44 | struct Message dehelper_msgtab = { |
7baa37a9 | 45 | "DEHELPER", 0, 0, 0, 0, |
161ac1c8 AC |
46 | {mg_unreg, mg_not_oper, mg_not_oper, mg_ignore, {me_dehelper, 2}, {mo_dehelper, 2}} |
47 | }; | |
48 | ||
49 | mapi_clist_av1 helpops_clist[] = { &dehelper_msgtab, NULL }; | |
50 | ||
3c7d6fcc EM |
51 | static void |
52 | mo_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) | |
161ac1c8 AC |
53 | { |
54 | struct Client *target_p; | |
55 | ||
56 | if (!IsOperAdmin(source_p)) | |
57 | { | |
58 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin"); | |
3c7d6fcc | 59 | return; |
161ac1c8 AC |
60 | } |
61 | ||
62 | if(!(target_p = find_named_person(parv[1]))) | |
63 | { | |
64 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); | |
3c7d6fcc | 65 | return; |
161ac1c8 AC |
66 | } |
67 | ||
68 | if(MyClient(target_p)) | |
69 | do_dehelper(source_p, target_p); | |
70 | else | |
71 | sendto_one(target_p, ":%s ENCAP %s DEHELPER %s", | |
72 | use_id(source_p), target_p->servptr->name, use_id(target_p)); | |
161ac1c8 AC |
73 | } |
74 | ||
3c7d6fcc EM |
75 | static void |
76 | me_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) | |
161ac1c8 AC |
77 | { |
78 | struct Client *target_p = find_person(parv[1]); | |
79 | if(!target_p) | |
80 | { | |
81 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); | |
3c7d6fcc | 82 | return; |
161ac1c8 AC |
83 | } |
84 | if(!MyClient(target_p)) | |
3c7d6fcc | 85 | return; |
161ac1c8 AC |
86 | |
87 | do_dehelper(source_p, target_p); | |
161ac1c8 AC |
88 | } |
89 | ||
3c7d6fcc EM |
90 | static void |
91 | do_dehelper(struct Client *source_p, struct Client *target_p) | |
161ac1c8 AC |
92 | { |
93 | const char *fakeparv[4]; | |
94 | ||
95 | if(!(target_p->umodes & UMODE_HELPOPS)) | |
3c7d6fcc | 96 | return; |
161ac1c8 AC |
97 | |
98 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using DEHELPER on %s", | |
99 | source_p->name, target_p->name); | |
100 | sendto_one_notice(target_p, ":*** %s is using DEHELPER on you", source_p->name); | |
101 | ||
102 | fakeparv[0] = fakeparv[1] = target_p->name; | |
103 | fakeparv[2] = "-H"; | |
104 | fakeparv[3] = NULL; | |
105 | user_mode(target_p, target_p, 3, fakeparv); | |
161ac1c8 AC |
106 | } |
107 | ||
4d21f1e8 AC |
108 | static int |
109 | _modinit(void) | |
110 | { | |
111 | /* add the usermode to the available slot */ | |
112 | user_modes['H'] = UMODE_HELPOPS = find_umode_slot(); | |
113 | construct_umodebuf(); | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
118 | static void | |
119 | _moddeinit(void) | |
120 | { | |
121 | /* disable the umode and remove it from the available list */ | |
122 | user_modes['H'] = UMODE_HELPOPS = 0; | |
123 | construct_umodebuf(); | |
124 | } | |
125 | ||
126 | static void | |
127 | h_hdl_stats_request(hook_data_int *hdata) | |
128 | { | |
129 | struct Client *target_p; | |
130 | rb_dlink_node *helper_ptr; | |
131 | unsigned int count = 0; | |
132 | ||
133 | if (hdata->arg2 != 'p') | |
134 | return; | |
135 | ||
136 | RB_DLINK_FOREACH (helper_ptr, helper_list.head) | |
137 | { | |
138 | target_p = helper_ptr->data; | |
139 | ||
4d21f1e8 AC |
140 | if(target_p->user->away) |
141 | continue; | |
142 | ||
143 | count++; | |
144 | ||
145 | sendto_one_numeric(hdata->client, RPL_STATSDEBUG, | |
146 | "p :%s (%s@%s)", | |
147 | target_p->name, target_p->username, | |
148 | target_p->host); | |
149 | } | |
150 | ||
151 | sendto_one_numeric(hdata->client, RPL_STATSDEBUG, | |
152 | "p :%u staff members", count); | |
153 | ||
154 | hdata->result = 1; | |
155 | } | |
156 | ||
b1c32af9 AC |
157 | static void |
158 | helper_add(struct Client *client_p) | |
159 | { | |
160 | if (rb_dlinkFind(client_p, &helper_list) != NULL) | |
161 | return; | |
162 | ||
163 | rb_dlinkAddAlloc(client_p, &helper_list); | |
164 | } | |
165 | ||
166 | static void | |
167 | helper_delete(struct Client *client_p) | |
168 | { | |
169 | rb_dlinkFindDestroy(client_p, &helper_list); | |
170 | } | |
171 | ||
4d21f1e8 AC |
172 | static void |
173 | h_hdl_new_remote_user(struct Client *client_p) | |
174 | { | |
175 | if (client_p->umodes & UMODE_HELPOPS) | |
b1c32af9 | 176 | helper_add(client_p); |
4d21f1e8 AC |
177 | } |
178 | ||
179 | static void | |
4d3f8ead | 180 | recurse_client_exit(struct Client *client_p) |
4d21f1e8 | 181 | { |
4d3f8ead | 182 | if (IsPerson(client_p)) |
8093dc5f | 183 | { |
4d3f8ead | 184 | if (client_p->umodes & UMODE_HELPOPS) |
b1c32af9 | 185 | helper_delete(client_p); |
8093dc5f | 186 | } |
4d3f8ead | 187 | else if (IsServer(client_p)) |
8093dc5f AC |
188 | { |
189 | rb_dlink_node *nptr; | |
190 | ||
4d3f8ead AC |
191 | RB_DLINK_FOREACH(nptr, client_p->serv->users.head) |
192 | recurse_client_exit(nptr->data); | |
8093dc5f | 193 | |
4d3f8ead AC |
194 | RB_DLINK_FOREACH(nptr, client_p->serv->servers.head) |
195 | recurse_client_exit(nptr->data); | |
8093dc5f | 196 | } |
4d21f1e8 AC |
197 | } |
198 | ||
4d3f8ead AC |
199 | static void |
200 | h_hdl_client_exit(hook_data_client_exit *hdata) | |
201 | { | |
202 | recurse_client_exit(hdata->target); | |
203 | } | |
204 | ||
4d21f1e8 AC |
205 | static void |
206 | h_hdl_umode_changed(hook_data_umode_changed *hdata) | |
207 | { | |
208 | struct Client *source_p = hdata->client; | |
209 | ||
210 | /* didn't change +H umode, we don't need to do anything */ | |
211 | if (!((hdata->oldumodes ^ source_p->umodes) & UMODE_HELPOPS)) | |
212 | return; | |
213 | ||
214 | if (source_p->umodes & UMODE_HELPOPS) | |
215 | { | |
216 | if (MyClient(source_p) && !HasPrivilege(source_p, "usermode:helpops")) | |
217 | { | |
218 | source_p->umodes &= ~UMODE_HELPOPS; | |
219 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "usermode:helpops"); | |
220 | return; | |
221 | } | |
222 | ||
b1c32af9 | 223 | helper_add(source_p); |
4d21f1e8 AC |
224 | } |
225 | else if (!(source_p->umodes & UMODE_HELPOPS)) | |
b1c32af9 | 226 | helper_delete(source_p); |
4d21f1e8 AC |
227 | } |
228 | ||
229 | static void | |
230 | h_hdl_whois(hook_data_client *hdata) | |
231 | { | |
232 | struct Client *source_p = hdata->client; | |
233 | struct Client *target_p = hdata->target; | |
234 | ||
235 | if ((target_p->umodes & UMODE_HELPOPS) && EmptyString(target_p->user->away)) | |
236 | { | |
237 | sendto_one_numeric(source_p, RPL_WHOISHELPOP, form_str(RPL_WHOISHELPOP), target_p->name); | |
238 | } | |
239 | } | |
240 | ||
a278a4fc | 241 | DECLARE_MODULE_AV2(helpops, _modinit, _moddeinit, helpops_clist, NULL, helpops_hfnlist, NULL, NULL, helpops_desc); |