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1 | /* | |
2 | * Copyright (C) 2006 Jilles Tjoelker | |
3 | * Copyright (C) 2006 Stephen Bennett <spb@gentoo.org> | |
4 | * Copyright (C) 2016 Jason Volk <jason@zemos.net> | |
5 | * | |
6 | * Permission to use, copy, modify, and/or distribute this software for any | |
7 | * purpose with or without fee is hereby granted, provided that the above | |
8 | * copyright notice and this permission notice is present in all copies. | |
9 | * | |
10 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
11 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
12 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
13 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
14 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
15 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
16 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
17 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
18 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
19 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
20 | * POSSIBILITY OF SUCH DAMAGE. | |
21 | */ | |
22 | ||
23 | #include "stdinc.h" | |
24 | #include "modules.h" | |
25 | #include "numeric.h" | |
26 | #include "client.h" | |
27 | #include "ircd.h" | |
28 | #include "send.h" | |
29 | #include "s_user.h" | |
30 | #include "s_serv.h" | |
31 | #include "s_conf.h" | |
32 | #include "s_newconf.h" | |
33 | #include "privilege.h" | |
34 | ||
35 | ||
36 | static | |
37 | void set_mode(struct Client *const target, | |
38 | const char *const str) | |
39 | { | |
40 | const char *mode[] = | |
41 | { | |
42 | target->name, | |
43 | target->name, | |
44 | str, | |
45 | NULL | |
46 | }; | |
47 | ||
48 | user_mode(target, target, 3, mode); | |
49 | } | |
50 | ||
51 | ||
52 | static | |
53 | void set_privset(struct Client *const source, | |
54 | struct Client *const target, | |
55 | const char *const privset_name) | |
56 | { | |
57 | struct PrivilegeSet *const privset = privilegeset_get(privset_name); | |
58 | if(!privset) | |
59 | { | |
60 | sendto_one_notice(source, ":There is no privilege set named '%s'.", privset_name); | |
61 | return; | |
62 | } | |
63 | ||
64 | if(IsOper(target) && target->localClient->privset == privset) | |
65 | { | |
66 | sendto_one_notice(source, ":%s already has role of %s.", target->name, privset_name); | |
67 | return; | |
68 | } | |
69 | ||
70 | if(IsOper(target)) | |
71 | { | |
72 | sendto_one_notice(target, ":%s has changed your role to %s.", source->name, privset_name); | |
73 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has changed %s's role to %s.", get_oper_name(source), target->name, privset_name); | |
74 | target->localClient->privset = privset; | |
75 | return; | |
76 | } | |
77 | ||
78 | struct oper_conf oper = | |
79 | { | |
80 | .name = (char *)privset->name, | |
81 | .privset = privset, | |
82 | }; | |
83 | ||
84 | oper_up(target, &oper); | |
85 | set_mode(target, "+o"); | |
86 | sendto_one_notice(target, ":%s has granted you the role of %s.", source->name, privset_name); | |
87 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has granted %s the role of %s.", get_oper_name(source), target->name, privset_name); | |
88 | } | |
89 | ||
90 | ||
91 | static | |
92 | void grant_revoke(struct Client *const source, | |
93 | struct Client *const target) | |
94 | { | |
95 | if(!IsOper(target)) | |
96 | { | |
97 | sendto_one_notice(source, ":You can't deoper someone who isn't an oper."); | |
98 | return; | |
99 | } | |
100 | ||
101 | set_mode(target, "-o"); | |
102 | sendto_one_notice(target, ":%s has deopered you.", source->name); | |
103 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has deopered %s.", get_oper_name(source), target->name); | |
104 | } | |
105 | ||
106 | ||
107 | static | |
108 | void grant(struct MsgBuf *msgbuf, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
109 | { | |
110 | if(!HasPrivilege(source_p, "oper:grant")) | |
111 | { | |
112 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "grant"); | |
113 | return; | |
114 | } | |
115 | ||
116 | if(parc < 3) | |
117 | { | |
118 | sendto_one_notice(source_p, ":usage GRANT: <target nickname> <privilegese name | 'revoke'>"); | |
119 | return; | |
120 | } | |
121 | ||
122 | struct Client *const target_p = find_person(parv[1]); | |
123 | ||
124 | if(!target_p) | |
125 | { | |
126 | if(IsPerson(source_p)) | |
127 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); | |
128 | ||
129 | return; | |
130 | } | |
131 | ||
132 | if(!find_shared_conf(source_p->username, source_p->host, source_p->servptr->name, SHARED_GRANT)) | |
133 | { | |
134 | sendto_one_notice(source_p, ":GRANT failed: You have no shared configuration block on this server."); | |
135 | return; | |
136 | } | |
137 | ||
138 | if(MyClient(target_p)) | |
139 | { | |
140 | if(irccmp(parv[2], "revoke") == 0) | |
141 | grant_revoke(source_p, target_p); | |
142 | else | |
143 | set_privset(source_p, target_p, parv[2]); | |
144 | } | |
145 | else if(MyClient(source_p)) | |
146 | { | |
147 | sendto_one(target_p, ":%s ENCAP %s GRANT %s %s", | |
148 | get_id(source_p, target_p), | |
149 | target_p->servptr->name, | |
150 | get_id(target_p, target_p), | |
151 | parv[2]); | |
152 | } | |
153 | ||
154 | return; | |
155 | } | |
156 | ||
157 | struct Message msgtab = | |
158 | { | |
159 | "GRANT", 0, 0, 0, 0, | |
160 | { | |
161 | mg_ignore, | |
162 | mg_not_oper, | |
163 | mg_ignore, | |
164 | mg_ignore, | |
165 | { grant, 3 }, | |
166 | { grant, 3 } | |
167 | } | |
168 | }; | |
169 | ||
170 | mapi_clist_av1 grant_clist[] = | |
171 | { | |
172 | &msgtab, | |
173 | NULL | |
174 | }; | |
175 | ||
176 | static const char grant_desc[] = | |
177 | "Provides the grant facility for giving other users specific privilege sets"; | |
178 | ||
179 | DECLARE_MODULE_AV2 | |
180 | ( | |
181 | grant, | |
182 | NULL, | |
183 | NULL, | |
184 | grant_clist, | |
185 | NULL, | |
186 | NULL, | |
187 | NULL, | |
188 | NULL, | |
189 | grant_desc | |
190 | ); |