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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_oper.c: Makes a user an IRC Operator. | |
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 | |
212380e3 AC |
23 | */ |
24 | ||
25 | #include "stdinc.h" | |
212380e3 | 26 | #include "client.h" |
4562c604 | 27 | #include "match.h" |
212380e3 AC |
28 | #include "ircd.h" |
29 | #include "numeric.h" | |
212380e3 AC |
30 | #include "s_conf.h" |
31 | #include "s_newconf.h" | |
4016731b | 32 | #include "logger.h" |
212380e3 | 33 | #include "s_user.h" |
ed3ca2ff | 34 | #include "s_serv.h" |
212380e3 AC |
35 | #include "send.h" |
36 | #include "msg.h" | |
37 | #include "parse.h" | |
38 | #include "modules.h" | |
39 | #include "packet.h" | |
40 | #include "cache.h" | |
41 | ||
eeabf33a EM |
42 | static const char oper_desc[] = "Provides the OPER command to become an IRC operator"; |
43 | ||
3c7d6fcc | 44 | static void m_oper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
ed3ca2ff | 45 | static void mc_oper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
3c7d6fcc EM |
46 | |
47 | static bool match_oper_password(const char *password, struct oper_conf *oper_p); | |
212380e3 AC |
48 | |
49 | struct Message oper_msgtab = { | |
7baa37a9 | 50 | "OPER", 0, 0, 0, 0, |
ed3ca2ff | 51 | {mg_unreg, {m_oper, 3}, {mc_oper, 3}, mg_ignore, mg_ignore, {m_oper, 3}} |
212380e3 AC |
52 | }; |
53 | ||
54 | mapi_clist_av1 oper_clist[] = { &oper_msgtab, NULL }; | |
1fe7d608 | 55 | |
1fe7d608 | 56 | DECLARE_MODULE_AV2(oper, NULL, NULL, oper_clist, NULL, NULL, NULL, NULL, oper_desc); |
212380e3 | 57 | |
212380e3 AC |
58 | /* |
59 | * m_oper | |
212380e3 AC |
60 | * parv[1] = oper name |
61 | * parv[2] = oper password | |
62 | */ | |
3c7d6fcc | 63 | static void |
428ca87b | 64 | m_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
65 | { |
66 | struct oper_conf *oper_p; | |
67 | const char *name; | |
68 | const char *password; | |
69 | ||
70 | name = parv[1]; | |
71 | password = parv[2]; | |
72 | ||
73 | if(IsOper(source_p)) | |
74 | { | |
75 | sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); | |
76 | send_oper_motd(source_p); | |
3c7d6fcc | 77 | return; |
212380e3 AC |
78 | } |
79 | ||
80 | /* end the grace period */ | |
81 | if(!IsFloodDone(source_p)) | |
82 | flood_endgrace(source_p); | |
83 | ||
55abcbb2 | 84 | oper_p = find_oper_conf(source_p->username, source_p->orighost, |
212380e3 AC |
85 | source_p->sockhost, name); |
86 | ||
87 | if(oper_p == NULL) | |
88 | { | |
76169ea7 | 89 | sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST)); |
212380e3 AC |
90 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)", |
91 | name, source_p->name, | |
92 | source_p->username, source_p->host, source_p->sockhost); | |
93 | ||
94 | if(ConfigFileEntry.failed_oper_notice) | |
95 | { | |
96 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, | |
97 | "Failed OPER attempt - host mismatch by %s (%s@%s)", | |
98 | source_p->name, source_p->username, source_p->host); | |
99 | } | |
100 | ||
3c7d6fcc | 101 | return; |
212380e3 AC |
102 | } |
103 | ||
35eccf49 | 104 | if(IsOperConfNeedSSL(oper_p) && !IsSecureClient(source_p)) |
b1594414 | 105 | { |
76169ea7 | 106 | sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST)); |
b1594414 JT |
107 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s) -- requires SSL/TLS", |
108 | name, source_p->name, | |
109 | source_p->username, source_p->host, source_p->sockhost); | |
110 | ||
111 | if(ConfigFileEntry.failed_oper_notice) | |
112 | { | |
113 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
114 | "Failed OPER attempt - missing SSL/TLS by %s (%s@%s)", | |
115 | source_p->name, source_p->username, source_p->host); | |
116 | } | |
3c7d6fcc | 117 | return; |
b1594414 JT |
118 | } |
119 | ||
ff31db84 AC |
120 | if (oper_p->certfp != NULL) |
121 | { | |
f956cb0f | 122 | if (source_p->certfp == NULL || rb_strcasecmp(source_p->certfp, oper_p->certfp)) |
ff31db84 | 123 | { |
76169ea7 | 124 | sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST)); |
ff31db84 AC |
125 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s) -- client certificate fingerprint mismatch", |
126 | name, source_p->name, | |
127 | source_p->username, source_p->host, source_p->sockhost); | |
128 | ||
129 | if(ConfigFileEntry.failed_oper_notice) | |
130 | { | |
131 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
132 | "Failed OPER attempt - client certificate fingerprint mismatch by %s (%s@%s)", | |
133 | source_p->name, source_p->username, source_p->host); | |
134 | } | |
3c7d6fcc | 135 | return; |
ff31db84 AC |
136 | } |
137 | } | |
138 | ||
212380e3 AC |
139 | if(match_oper_password(password, oper_p)) |
140 | { | |
141 | oper_up(source_p, oper_p); | |
142 | ||
143 | ilog(L_OPERED, "OPER %s by %s!%s@%s (%s)", | |
144 | name, source_p->name, source_p->username, source_p->host, | |
145 | source_p->sockhost); | |
3c7d6fcc | 146 | return; |
212380e3 AC |
147 | } |
148 | else | |
149 | { | |
150 | sendto_one(source_p, form_str(ERR_PASSWDMISMATCH), | |
151 | me.name, source_p->name); | |
152 | ||
153 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)", | |
154 | name, source_p->name, source_p->username, source_p->host, | |
155 | source_p->sockhost); | |
156 | ||
157 | if(ConfigFileEntry.failed_oper_notice) | |
158 | { | |
159 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, | |
160 | "Failed OPER attempt by %s (%s@%s)", | |
161 | source_p->name, source_p->username, source_p->host); | |
162 | } | |
163 | } | |
212380e3 AC |
164 | } |
165 | ||
ed3ca2ff EK |
166 | /* |
167 | * mc_oper - server-to-server OPER propagation | |
168 | * parv[1] = opername | |
169 | * parv[2] = privset | |
170 | */ | |
171 | static void | |
172 | mc_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
173 | { | |
174 | struct PrivilegeSet *privset; | |
175 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s OPER %s %s", use_id(source_p), parv[1], parv[2]); | |
176 | ||
177 | privset = privilegeset_get(parv[2]); | |
178 | if(privset == NULL) | |
179 | { | |
180 | /* if we don't have a matching privset, we'll create an empty one and | |
181 | * mark it illegal, so it gets picked up on a rehash later */ | |
182 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "Received OPER for %s with unknown privset %s", source_p->name, parv[2]); | |
183 | privset = privilegeset_set_new(parv[2], "", 0); | |
184 | privset->status |= CONF_ILLEGAL; | |
185 | } | |
186 | ||
187 | privset = privilegeset_ref(privset); | |
188 | if (source_p->user->privset != NULL) | |
189 | privilegeset_unref(source_p->user->privset); | |
190 | ||
191 | source_p->user->privset = privset; | |
192 | source_p->user->opername = rb_strdup(parv[1]); | |
193 | } | |
194 | ||
212380e3 AC |
195 | /* |
196 | * match_oper_password | |
197 | * | |
198 | * inputs - pointer to given password | |
55abcbb2 | 199 | * - pointer to Conf |
3c7d6fcc | 200 | * output - true if match, false otherwise |
212380e3 AC |
201 | * side effects - none |
202 | */ | |
3c7d6fcc | 203 | static bool |
212380e3 AC |
204 | match_oper_password(const char *password, struct oper_conf *oper_p) |
205 | { | |
206 | const char *encr; | |
207 | ||
208 | /* passwd may be NULL pointer. Head it off at the pass... */ | |
209 | if(EmptyString(oper_p->passwd)) | |
3c7d6fcc | 210 | return false; |
212380e3 AC |
211 | |
212 | if(IsOperConfEncrypted(oper_p)) | |
213 | { | |
214 | /* use first two chars of the password they send in as salt */ | |
55abcbb2 | 215 | /* If the password in the conf is MD5, and ircd is linked |
212380e3 AC |
216 | * to scrypt on FreeBSD, or the standard crypt library on |
217 | * glibc Linux, then this code will work fine on generating | |
218 | * the proper encrypted hash for comparison. | |
219 | */ | |
220 | if(!EmptyString(password)) | |
d20b49d5 | 221 | encr = rb_crypt(password, oper_p->passwd); |
212380e3 AC |
222 | else |
223 | encr = ""; | |
224 | } | |
225 | else | |
226 | encr = password; | |
227 | ||
e69375f3 | 228 | if(encr != NULL && strcmp(encr, oper_p->passwd) == 0) |
3c7d6fcc | 229 | return true; |
212380e3 | 230 | else |
3c7d6fcc | 231 | return false; |
212380e3 | 232 | } |