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ef7a99cd DS |
1 | /* |
2 | * Copyright (C) 2021 David Schultz <me@zpld.me> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
17 | * USA | |
18 | */ | |
19 | ||
20 | #include <stdinc.h> | |
21 | #include <modules.h> | |
22 | #include <capability.h> | |
23 | #include <s_conf.h> | |
24 | #include <s_serv.h> | |
25 | #include <s_newconf.h> | |
26 | #include <client.h> | |
27 | #include <msgbuf.h> | |
28 | ||
29 | static char cap_oper_desc[] = "Provides the solanum.chat/oper capability"; | |
30 | ||
31 | static bool cap_oper_oper_visible(struct Client *); | |
32 | static void cap_oper_outbound_msgbuf(void *); | |
33 | static void cap_oper_umode_changed(void *); | |
34 | static void cap_oper_cap_change(void *); | |
35 | ||
36 | static unsigned CLICAP_OPER; | |
37 | static unsigned CLICAP_OPER_AUSPEX; | |
38 | static unsigned CLICAP_OPER_JUSTOPER; | |
39 | static unsigned CLICAP_OPER_NORMAL; | |
40 | ||
41 | static struct ClientCapability capdata_oper_oper = { | |
42 | .visible = cap_oper_oper_visible, | |
43 | }; | |
44 | ||
45 | mapi_cap_list_av2 cap_oper_caps[] = { | |
46 | { MAPI_CAP_CLIENT, "solanum.chat/oper", NULL, &CLICAP_OPER }, | |
47 | { MAPI_CAP_CLIENT, "?oper_auspex", &capdata_oper_oper, &CLICAP_OPER_AUSPEX }, | |
48 | { MAPI_CAP_CLIENT, "?oper_justoper", &capdata_oper_oper, &CLICAP_OPER_JUSTOPER }, | |
49 | { MAPI_CAP_CLIENT, "?oper_normal", &capdata_oper_oper, &CLICAP_OPER_NORMAL }, | |
50 | { 0, NULL, NULL, NULL }, | |
51 | }; | |
52 | ||
53 | mapi_hfn_list_av1 cap_oper_hfnlist[] = { | |
54 | { "outbound_msgbuf", cap_oper_outbound_msgbuf, HOOK_NORMAL }, | |
55 | { "umode_changed", cap_oper_umode_changed, HOOK_MONITOR }, | |
56 | { "cap_change", cap_oper_cap_change, HOOK_MONITOR }, | |
57 | { NULL, NULL, 0 }, | |
58 | }; | |
59 | ||
60 | static bool | |
61 | cap_oper_oper_visible(struct Client *client) | |
62 | { | |
63 | return false; | |
64 | } | |
65 | ||
66 | static void | |
67 | cap_oper_outbound_msgbuf(void *data_) | |
68 | { | |
69 | hook_data *data = data_; | |
70 | struct MsgBuf *msgbuf = data->arg1; | |
71 | ||
72 | if (data->client == NULL || !IsPerson(data->client)) | |
73 | return; | |
74 | ||
75 | if (IsOper(data->client)) | |
76 | { | |
77 | /* send all oper data to auspex */ | |
78 | msgbuf_append_tag(msgbuf, "solanum.chat/oper", data->client->user->opername, CLICAP_OPER_AUSPEX); | |
79 | if (HasPrivilege(data->client, "oper:hidden") || ConfigFileEntry.hide_opers) | |
80 | /* these people aren't allowed to see hidden opers */ | |
81 | return; | |
82 | msgbuf_append_tag(msgbuf, "solanum.chat/oper", data->client->user->opername, CLICAP_OPER_JUSTOPER); | |
83 | msgbuf_append_tag(msgbuf, "solanum.chat/oper", NULL, CLICAP_OPER_NORMAL); | |
84 | } | |
85 | } | |
86 | ||
87 | static inline void | |
88 | update_clicap_oper(struct Client *client) | |
89 | { | |
90 | /* clear out old caps */ | |
91 | client->localClient->caps &= ~CLICAP_OPER_AUSPEX; | |
92 | client->localClient->caps &= ~CLICAP_OPER_JUSTOPER; | |
93 | client->localClient->caps &= ~CLICAP_OPER_NORMAL; | |
94 | ||
95 | if (client->localClient->caps & CLICAP_OPER && HasPrivilege(client, "auspex:oper")) | |
96 | { | |
97 | /* if the client is an oper with auspex, let them see everything */ | |
98 | client->localClient->caps |= CLICAP_OPER_AUSPEX; | |
99 | } | |
100 | else if (client->localClient->caps & CLICAP_OPER && IsOper(client)) | |
101 | { | |
102 | /* if the client is an oper, let them see other opers */ | |
103 | client->localClient->caps |= CLICAP_OPER_JUSTOPER; | |
104 | } | |
105 | else if (client->localClient->caps & CLICAP_OPER) | |
106 | { | |
107 | /* if the client is a normal user, let them see opers | |
108 | provided that server wide oper hiding is not enabled */ | |
109 | client->localClient->caps |= CLICAP_OPER_NORMAL; | |
110 | } | |
111 | } | |
112 | ||
113 | static void | |
114 | cap_oper_umode_changed(void *data_) | |
115 | { | |
116 | hook_data_umode_changed *data = data_; | |
117 | ||
118 | if (!MyClient(data->client)) | |
119 | return; | |
120 | ||
121 | update_clicap_oper(data->client); | |
122 | } | |
123 | ||
124 | static void | |
125 | cap_oper_cap_change(void *data_) | |
126 | { | |
127 | hook_data_cap_change *data = data_; | |
128 | ||
129 | update_clicap_oper(data->client); | |
130 | } | |
131 | ||
132 | static int | |
133 | modinit(void) | |
134 | { | |
135 | rb_dlink_node *ptr; | |
136 | ||
137 | RB_DLINK_FOREACH(ptr, lclient_list.head) | |
138 | { | |
139 | struct Client *client = ptr->data; | |
140 | ||
141 | update_clicap_oper(client); | |
142 | } | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
147 | DECLARE_MODULE_AV2(cap_oper, modinit, NULL, NULL, NULL, cap_oper_hfnlist, cap_oper_caps, NULL, cap_oper_desc); |