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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 AC |
33 | #include "s_user.h" |
34 | #include "send.h" | |
35 | #include "msg.h" | |
36 | #include "parse.h" | |
37 | #include "modules.h" | |
38 | #include "packet.h" | |
39 | #include "cache.h" | |
40 | ||
eeabf33a EM |
41 | static const char oper_desc[] = "Provides the OPER command to become an IRC operator"; |
42 | ||
3c7d6fcc EM |
43 | static void m_oper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
44 | ||
45 | static bool match_oper_password(const char *password, struct oper_conf *oper_p); | |
212380e3 AC |
46 | |
47 | struct Message oper_msgtab = { | |
7baa37a9 | 48 | "OPER", 0, 0, 0, 0, |
212380e3 AC |
49 | {mg_unreg, {m_oper, 3}, mg_ignore, mg_ignore, mg_ignore, {m_oper, 3}} |
50 | }; | |
51 | ||
52 | mapi_clist_av1 oper_clist[] = { &oper_msgtab, NULL }; | |
1fe7d608 | 53 | |
1fe7d608 | 54 | DECLARE_MODULE_AV2(oper, NULL, NULL, oper_clist, NULL, NULL, NULL, NULL, oper_desc); |
212380e3 | 55 | |
212380e3 AC |
56 | /* |
57 | * m_oper | |
212380e3 AC |
58 | * parv[1] = oper name |
59 | * parv[2] = oper password | |
60 | */ | |
3c7d6fcc | 61 | static void |
428ca87b | 62 | m_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
63 | { |
64 | struct oper_conf *oper_p; | |
65 | const char *name; | |
66 | const char *password; | |
67 | ||
68 | name = parv[1]; | |
69 | password = parv[2]; | |
70 | ||
71 | if(IsOper(source_p)) | |
72 | { | |
73 | sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); | |
74 | send_oper_motd(source_p); | |
3c7d6fcc | 75 | return; |
212380e3 AC |
76 | } |
77 | ||
78 | /* end the grace period */ | |
79 | if(!IsFloodDone(source_p)) | |
80 | flood_endgrace(source_p); | |
81 | ||
55abcbb2 | 82 | oper_p = find_oper_conf(source_p->username, source_p->orighost, |
212380e3 AC |
83 | source_p->sockhost, name); |
84 | ||
85 | if(oper_p == NULL) | |
86 | { | |
76169ea7 | 87 | sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST)); |
212380e3 AC |
88 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)", |
89 | name, source_p->name, | |
90 | source_p->username, source_p->host, source_p->sockhost); | |
91 | ||
92 | if(ConfigFileEntry.failed_oper_notice) | |
93 | { | |
94 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, | |
95 | "Failed OPER attempt - host mismatch by %s (%s@%s)", | |
96 | source_p->name, source_p->username, source_p->host); | |
97 | } | |
98 | ||
3c7d6fcc | 99 | return; |
212380e3 AC |
100 | } |
101 | ||
b1594414 JT |
102 | if(IsOperConfNeedSSL(oper_p) && !IsSSLClient(source_p)) |
103 | { | |
76169ea7 | 104 | sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST)); |
b1594414 JT |
105 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s) -- requires SSL/TLS", |
106 | name, source_p->name, | |
107 | source_p->username, source_p->host, source_p->sockhost); | |
108 | ||
109 | if(ConfigFileEntry.failed_oper_notice) | |
110 | { | |
111 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
112 | "Failed OPER attempt - missing SSL/TLS by %s (%s@%s)", | |
113 | source_p->name, source_p->username, source_p->host); | |
114 | } | |
3c7d6fcc | 115 | return; |
b1594414 JT |
116 | } |
117 | ||
ff31db84 AC |
118 | if (oper_p->certfp != NULL) |
119 | { | |
f956cb0f | 120 | if (source_p->certfp == NULL || rb_strcasecmp(source_p->certfp, oper_p->certfp)) |
ff31db84 | 121 | { |
76169ea7 | 122 | sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST)); |
ff31db84 AC |
123 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s) -- client certificate fingerprint mismatch", |
124 | name, source_p->name, | |
125 | source_p->username, source_p->host, source_p->sockhost); | |
126 | ||
127 | if(ConfigFileEntry.failed_oper_notice) | |
128 | { | |
129 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
130 | "Failed OPER attempt - client certificate fingerprint mismatch by %s (%s@%s)", | |
131 | source_p->name, source_p->username, source_p->host); | |
132 | } | |
3c7d6fcc | 133 | return; |
ff31db84 AC |
134 | } |
135 | } | |
136 | ||
212380e3 AC |
137 | if(match_oper_password(password, oper_p)) |
138 | { | |
139 | oper_up(source_p, oper_p); | |
140 | ||
141 | ilog(L_OPERED, "OPER %s by %s!%s@%s (%s)", | |
142 | name, source_p->name, source_p->username, source_p->host, | |
143 | source_p->sockhost); | |
3c7d6fcc | 144 | return; |
212380e3 AC |
145 | } |
146 | else | |
147 | { | |
148 | sendto_one(source_p, form_str(ERR_PASSWDMISMATCH), | |
149 | me.name, source_p->name); | |
150 | ||
151 | ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)", | |
152 | name, source_p->name, source_p->username, source_p->host, | |
153 | source_p->sockhost); | |
154 | ||
155 | if(ConfigFileEntry.failed_oper_notice) | |
156 | { | |
157 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, | |
158 | "Failed OPER attempt by %s (%s@%s)", | |
159 | source_p->name, source_p->username, source_p->host); | |
160 | } | |
161 | } | |
212380e3 AC |
162 | } |
163 | ||
164 | /* | |
165 | * match_oper_password | |
166 | * | |
167 | * inputs - pointer to given password | |
55abcbb2 | 168 | * - pointer to Conf |
3c7d6fcc | 169 | * output - true if match, false otherwise |
212380e3 AC |
170 | * side effects - none |
171 | */ | |
3c7d6fcc | 172 | static bool |
212380e3 AC |
173 | match_oper_password(const char *password, struct oper_conf *oper_p) |
174 | { | |
175 | const char *encr; | |
176 | ||
177 | /* passwd may be NULL pointer. Head it off at the pass... */ | |
178 | if(EmptyString(oper_p->passwd)) | |
3c7d6fcc | 179 | return false; |
212380e3 AC |
180 | |
181 | if(IsOperConfEncrypted(oper_p)) | |
182 | { | |
183 | /* use first two chars of the password they send in as salt */ | |
55abcbb2 | 184 | /* If the password in the conf is MD5, and ircd is linked |
212380e3 AC |
185 | * to scrypt on FreeBSD, or the standard crypt library on |
186 | * glibc Linux, then this code will work fine on generating | |
187 | * the proper encrypted hash for comparison. | |
188 | */ | |
189 | if(!EmptyString(password)) | |
d20b49d5 | 190 | encr = rb_crypt(password, oper_p->passwd); |
212380e3 AC |
191 | else |
192 | encr = ""; | |
193 | } | |
194 | else | |
195 | encr = password; | |
196 | ||
e69375f3 | 197 | if(encr != NULL && strcmp(encr, oper_p->passwd) == 0) |
3c7d6fcc | 198 | return true; |
212380e3 | 199 | else |
3c7d6fcc | 200 | return false; |
212380e3 | 201 | } |