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