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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 | ||
6c639159 | 42 | #define UMODECHAR_HELPOPS 'H' |
4d21f1e8 | 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 | ||
6c639159 | 95 | if(!(target_p->umodes & user_modes[UMODECHAR_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 | { | |
6c639159 | 111 | user_modes[UMODECHAR_HELPOPS] = find_umode_slot(); |
4d21f1e8 AC |
112 | construct_umodebuf(); |
113 | ||
114 | return 0; | |
115 | } | |
116 | ||
117 | static void | |
118 | _moddeinit(void) | |
119 | { | |
6c639159 | 120 | user_modes[UMODECHAR_HELPOPS] = 0; |
4d21f1e8 AC |
121 | construct_umodebuf(); |
122 | } | |
123 | ||
124 | static void | |
125 | h_hdl_stats_request(hook_data_int *hdata) | |
126 | { | |
127 | struct Client *target_p; | |
128 | rb_dlink_node *helper_ptr; | |
129 | unsigned int count = 0; | |
130 | ||
131 | if (hdata->arg2 != 'p') | |
132 | return; | |
133 | ||
134 | RB_DLINK_FOREACH (helper_ptr, helper_list.head) | |
135 | { | |
136 | target_p = helper_ptr->data; | |
137 | ||
4d21f1e8 AC |
138 | if(target_p->user->away) |
139 | continue; | |
140 | ||
141 | count++; | |
142 | ||
143 | sendto_one_numeric(hdata->client, RPL_STATSDEBUG, | |
144 | "p :%s (%s@%s)", | |
145 | target_p->name, target_p->username, | |
146 | target_p->host); | |
147 | } | |
148 | ||
149 | sendto_one_numeric(hdata->client, RPL_STATSDEBUG, | |
150 | "p :%u staff members", count); | |
151 | ||
152 | hdata->result = 1; | |
153 | } | |
154 | ||
b1c32af9 AC |
155 | static void |
156 | helper_add(struct Client *client_p) | |
157 | { | |
158 | if (rb_dlinkFind(client_p, &helper_list) != NULL) | |
159 | return; | |
160 | ||
161 | rb_dlinkAddAlloc(client_p, &helper_list); | |
162 | } | |
163 | ||
164 | static void | |
165 | helper_delete(struct Client *client_p) | |
166 | { | |
167 | rb_dlinkFindDestroy(client_p, &helper_list); | |
168 | } | |
169 | ||
4d21f1e8 AC |
170 | static void |
171 | h_hdl_new_remote_user(struct Client *client_p) | |
172 | { | |
6c639159 | 173 | if (client_p->umodes & user_modes[UMODECHAR_HELPOPS]) |
b1c32af9 | 174 | helper_add(client_p); |
4d21f1e8 AC |
175 | } |
176 | ||
177 | static void | |
4d3f8ead | 178 | recurse_client_exit(struct Client *client_p) |
4d21f1e8 | 179 | { |
4d3f8ead | 180 | if (IsPerson(client_p)) |
8093dc5f | 181 | { |
6c639159 | 182 | if (client_p->umodes & user_modes[UMODECHAR_HELPOPS]) |
b1c32af9 | 183 | helper_delete(client_p); |
8093dc5f | 184 | } |
4d3f8ead | 185 | else if (IsServer(client_p)) |
8093dc5f AC |
186 | { |
187 | rb_dlink_node *nptr; | |
188 | ||
4d3f8ead AC |
189 | RB_DLINK_FOREACH(nptr, client_p->serv->users.head) |
190 | recurse_client_exit(nptr->data); | |
8093dc5f | 191 | |
4d3f8ead AC |
192 | RB_DLINK_FOREACH(nptr, client_p->serv->servers.head) |
193 | recurse_client_exit(nptr->data); | |
8093dc5f | 194 | } |
4d21f1e8 AC |
195 | } |
196 | ||
4d3f8ead AC |
197 | static void |
198 | h_hdl_client_exit(hook_data_client_exit *hdata) | |
199 | { | |
200 | recurse_client_exit(hdata->target); | |
201 | } | |
202 | ||
4d21f1e8 AC |
203 | static void |
204 | h_hdl_umode_changed(hook_data_umode_changed *hdata) | |
205 | { | |
206 | struct Client *source_p = hdata->client; | |
207 | ||
208 | /* didn't change +H umode, we don't need to do anything */ | |
6c639159 | 209 | if (!((hdata->oldumodes ^ source_p->umodes) & user_modes[UMODECHAR_HELPOPS])) |
4d21f1e8 AC |
210 | return; |
211 | ||
6c639159 | 212 | if (source_p->umodes & user_modes[UMODECHAR_HELPOPS]) |
4d21f1e8 AC |
213 | { |
214 | if (MyClient(source_p) && !HasPrivilege(source_p, "usermode:helpops")) | |
215 | { | |
6c639159 | 216 | source_p->umodes &= ~user_modes[UMODECHAR_HELPOPS]; |
4d21f1e8 AC |
217 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "usermode:helpops"); |
218 | return; | |
219 | } | |
220 | ||
b1c32af9 | 221 | helper_add(source_p); |
4d21f1e8 | 222 | } |
6c639159 | 223 | else if (!(source_p->umodes & user_modes[UMODECHAR_HELPOPS])) |
b1c32af9 | 224 | helper_delete(source_p); |
4d21f1e8 AC |
225 | } |
226 | ||
227 | static void | |
228 | h_hdl_whois(hook_data_client *hdata) | |
229 | { | |
230 | struct Client *source_p = hdata->client; | |
231 | struct Client *target_p = hdata->target; | |
232 | ||
6c639159 | 233 | if ((target_p->umodes & user_modes[UMODECHAR_HELPOPS]) && EmptyString(target_p->user->away)) |
4d21f1e8 AC |
234 | { |
235 | sendto_one_numeric(source_p, RPL_WHOISHELPOP, form_str(RPL_WHOISHELPOP), target_p->name); | |
236 | } | |
237 | } | |
238 | ||
a278a4fc | 239 | DECLARE_MODULE_AV2(helpops, _modinit, _moddeinit, helpops_clist, NULL, helpops_hfnlist, NULL, NULL, helpops_desc); |