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212380e3 AC |
1 | /* |
2 | * m_mkpasswd.c: Encrypts a password online, DES or MD5. | |
3 | * | |
4 | * Copyright 2002 W. Campbell and the ircd-ratbox development team | |
5 | * Based on mkpasswd.c, originally by Nelson Minar (minar@reed.edu) | |
6 | * | |
7 | * You can use this code in any way as long as these names remain. | |
8 | * | |
5366977b | 9 | * $Id: m_mkpasswd.c 3161 2007-01-25 07:23:01Z nenolod $ |
212380e3 AC |
10 | */ |
11 | ||
12 | /* List of ircd includes from ../include/ */ | |
13 | #include "stdinc.h" | |
14 | #include "client.h" | |
15 | #include "common.h" /* FALSE bleah */ | |
16 | #include "ircd.h" | |
4562c604 | 17 | #include "match.h" |
212380e3 | 18 | #include "numeric.h" |
212380e3 AC |
19 | #include "s_newconf.h" |
20 | #include "s_conf.h" | |
4016731b | 21 | #include "logger.h" |
212380e3 AC |
22 | #include "s_serv.h" |
23 | #include "send.h" | |
24 | #include "msg.h" | |
25 | #include "parse.h" | |
26 | #include "modules.h" | |
27 | ||
28 | #include <string.h> | |
29 | ||
30 | extern char *crypt(); | |
31 | ||
32 | static int m_mkpasswd(struct Client *client_p, struct Client *source_p, | |
33 | int parc, const char *parv[]); | |
34 | static int mo_mkpasswd(struct Client *client_p, struct Client *source_p, | |
35 | int parc, const char *parv[]); | |
36 | static char *make_salt(void); | |
37 | static char *make_md5_salt(void); | |
38 | ||
39 | static char saltChars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./"; | |
40 | ||
41 | ||
42 | struct Message mkpasswd_msgtab = { | |
43 | "MKPASSWD", 0, 0, 0, MFLG_SLOW, | |
44 | {mg_unreg, {m_mkpasswd, 2}, mg_ignore, mg_ignore, mg_ignore, {mo_mkpasswd, 2}} | |
45 | }; | |
46 | ||
47 | mapi_clist_av1 mkpasswd_clist[] = { &mkpasswd_msgtab, NULL }; | |
48 | ||
5366977b | 49 | DECLARE_MODULE_AV1(mkpasswd, NULL, NULL, mkpasswd_clist, NULL, NULL, "$Revision: 3161 $"); |
212380e3 AC |
50 | |
51 | ||
52 | static int | |
53 | m_mkpasswd(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
54 | { | |
55 | static time_t last_used = 0; | |
56 | int is_md5 = 0; | |
57 | ||
954012d3 | 58 | if((last_used + ConfigFileEntry.pace_wait) > rb_current_time()) |
212380e3 AC |
59 | { |
60 | /* safe enough to give this on a local connect only */ | |
61 | sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]); | |
62 | return 0; | |
63 | } | |
64 | else | |
65 | { | |
954012d3 | 66 | last_used = rb_current_time(); |
212380e3 AC |
67 | } |
68 | ||
69 | if(parc == 3) | |
70 | { | |
71 | if(!irccmp(parv[2], "MD5")) | |
72 | { | |
73 | is_md5 = 1; | |
74 | } | |
75 | else if(!irccmp(parv[2], "DES")) | |
76 | { | |
77 | /* Not really needed, but we may want to have a default encryption | |
78 | * setting somewhere down the road | |
79 | */ | |
80 | is_md5 = 0; | |
81 | } | |
82 | else | |
83 | { | |
5366977b | 84 | sendto_one_notice(source_p, ":MKPASSWD syntax error: MKPASSWD pass [DES|MD5]"); |
212380e3 AC |
85 | return 0; |
86 | } | |
87 | } | |
88 | ||
89 | if(parc == 1) | |
90 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD"); | |
91 | else | |
5366977b AC |
92 | sendto_one_notice(source_p, ":Encryption for [%s]: %s", |
93 | parv[1], crypt(parv[1], | |
212380e3 AC |
94 | is_md5 ? make_md5_salt() : |
95 | make_salt())); | |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
100 | /* | |
101 | ** mo_test | |
102 | ** parv[0] = sender prefix | |
103 | ** parv[1] = parameter | |
104 | */ | |
105 | static int | |
106 | mo_mkpasswd(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
107 | { | |
108 | int is_md5 = 0; | |
109 | ||
110 | if(parc == 3) | |
111 | { | |
112 | if(!irccmp(parv[2], "MD5")) | |
113 | { | |
114 | is_md5 = 1; | |
115 | } | |
116 | else if(!irccmp(parv[2], "DES")) | |
117 | { | |
118 | /* Not really needed, but we may want to have a default encryption | |
119 | * setting somewhere down the road | |
120 | */ | |
121 | is_md5 = 0; | |
122 | } | |
123 | else | |
124 | { | |
5366977b AC |
125 | sendto_one_notice(source_p, |
126 | ":MKPASSWD syntax error: MKPASSWD pass [DES|MD5]"); | |
212380e3 AC |
127 | return 0; |
128 | } | |
129 | } | |
130 | ||
131 | if(parc == 1) | |
132 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD"); | |
133 | else | |
5366977b AC |
134 | sendto_one_notice(source_p, ":Encryption for [%s]: %s", |
135 | parv[1], crypt(parv[1], is_md5 ? make_md5_salt() : make_salt())); | |
212380e3 AC |
136 | |
137 | return 0; | |
138 | } | |
139 | ||
140 | static char * | |
141 | make_salt(void) | |
142 | { | |
143 | static char salt[3]; | |
144 | salt[0] = saltChars[random() % 64]; | |
145 | salt[1] = saltChars[random() % 64]; | |
146 | salt[2] = '\0'; | |
147 | return salt; | |
148 | } | |
149 | ||
150 | static char * | |
151 | make_md5_salt(void) | |
152 | { | |
153 | static char salt[13]; | |
154 | int i; | |
155 | salt[0] = '$'; | |
156 | salt[1] = '1'; | |
157 | salt[2] = '$'; | |
158 | for(i = 3; i < 11; i++) | |
159 | salt[i] = saltChars[random() % 64]; | |
160 | salt[11] = '$'; | |
161 | salt[12] = '\0'; | |
162 | return salt; | |
163 | } |