d9898ee8 |
1 | /* |
2 | ** Copyright 2000-2004 Double Precision, Inc. See COPYING for |
3 | ** distribution information. |
4 | */ |
5 | #if HAVE_CONFIG_H |
6 | #include "courier_auth_config.h" |
7 | #endif |
8 | #include <stdio.h> |
9 | #include <stdlib.h> |
10 | #include <string.h> |
11 | #include <errno.h> |
12 | #include <pwd.h> |
13 | #if HAVE_UNISTD_H |
14 | #include <unistd.h> |
15 | #endif |
16 | |
17 | #include "auth.h" |
18 | #include "authmysql.h" |
19 | #include "authstaticlist.h" |
20 | #include "courierauthdebug.h" |
21 | |
22 | static const char rcsid[]="$Id: authmysql.c,v 1.23 2006/10/28 19:22:52 mrsam Exp $"; |
23 | |
24 | extern void auth_mysql_enumerate( void(*cb_func)(const char *name, |
25 | uid_t uid, |
26 | gid_t gid, |
27 | const char *homedir, |
28 | const char *maildir, |
29 | const char *options, |
30 | void *void_arg), |
31 | void *void_arg); |
32 | |
33 | static int auth_mysql_login(const char *service, char *authdata, |
34 | int (*callback_func)(struct authinfo *, void *), |
35 | void *callback_arg) |
36 | { |
37 | char *user, *pass; |
38 | struct authmysqluserinfo *authinfo; |
39 | struct authinfo aa; |
40 | |
41 | |
42 | if ((user=strtok(authdata, "\n")) == 0 || |
43 | (pass=strtok(0, "\n")) == 0) |
44 | { |
45 | errno=EPERM; |
46 | return (-1); |
47 | } |
48 | |
49 | authinfo=auth_mysql_getuserinfo(user, service); |
50 | |
51 | if (!authinfo) /* Fatal error - such as MySQL being down */ |
52 | { |
53 | errno=EACCES; |
54 | return (1); |
55 | } |
56 | |
57 | if (authinfo->cryptpw) |
58 | { |
59 | if (authcheckpassword(pass,authinfo->cryptpw)) |
60 | { |
61 | errno=EPERM; |
62 | return (-1); /* User/Password not found. */ |
63 | } |
64 | } |
65 | else if (authinfo->clearpw) |
66 | { |
67 | if (strcmp(pass, authinfo->clearpw)) |
68 | { |
69 | if (courier_authdebug_login_level >= 2) |
70 | { |
71 | DPRINTF("supplied password '%s' does not match clearpasswd '%s'", |
72 | pass, authinfo->clearpw); |
73 | } |
74 | else |
75 | { |
76 | DPRINTF("supplied password does not match clearpasswd"); |
77 | } |
78 | errno=EPERM; |
79 | return (-1); |
80 | } |
81 | } |
82 | else |
83 | { |
84 | DPRINTF("no password available to compare"); |
85 | errno=EPERM; |
86 | return (-1); /* Username not found */ |
87 | } |
88 | |
89 | memset(&aa, 0, sizeof(aa)); |
90 | |
91 | aa.sysuserid= &authinfo->uid; |
92 | aa.sysgroupid= authinfo->gid; |
93 | aa.homedir=authinfo->home; |
94 | aa.maildir=authinfo->maildir && authinfo->maildir[0] ? |
95 | authinfo->maildir:0; |
96 | aa.address=authinfo->username; |
97 | aa.quota=authinfo->quota && authinfo->quota[0] ? |
98 | authinfo->quota:0; |
99 | aa.fullname=authinfo->fullname; |
100 | aa.options=authinfo->options; |
101 | aa.clearpasswd=pass; |
102 | aa.passwd=authinfo->cryptpw; |
103 | courier_authdebug_authinfo("DEBUG: authmysql: ", &aa, |
104 | authinfo->clearpw, authinfo->cryptpw); |
105 | |
106 | return (*callback_func)(&aa, callback_arg); |
107 | } |
108 | |
109 | static int auth_mysql_changepw(const char *service, const char *user, |
110 | const char *pass, |
111 | const char *newpass) |
112 | { |
113 | struct authmysqluserinfo *authinfo; |
114 | |
115 | authinfo=auth_mysql_getuserinfo(user, service); |
116 | |
117 | if (!authinfo) |
118 | { |
119 | errno=ENOENT; |
120 | return (-1); |
121 | } |
122 | |
123 | if (authinfo->cryptpw) |
124 | { |
125 | if (authcheckpassword(pass,authinfo->cryptpw)) |
126 | { |
127 | errno=EPERM; |
128 | return (-1); /* User/Password not found. */ |
129 | } |
130 | } |
131 | else if (authinfo->clearpw) |
132 | { |
133 | if (strcmp(pass, authinfo->clearpw)) |
134 | { |
135 | errno=EPERM; |
136 | return (-1); |
137 | } |
138 | } |
139 | else |
140 | { |
141 | errno=EPERM; |
142 | return (-1); |
143 | } |
144 | |
145 | if (auth_mysql_setpass(user, newpass, authinfo->cryptpw)) |
146 | { |
147 | errno=EPERM; |
148 | return (-1); |
149 | } |
150 | return (0); |
151 | } |
152 | |
153 | #if HAVE_HMACLIB |
154 | |
155 | #include "libhmac/hmac.h" |
156 | #include "cramlib.h" |
157 | |
158 | |
159 | static int auth_mysql_cram(const char *service, |
160 | const char *authtype, char *authdata, |
161 | int (*callback_func)(struct authinfo *, void *), |
162 | void *callback_arg) |
163 | { |
164 | struct cram_callback_info cci; |
165 | |
166 | if (auth_get_cram(authtype, authdata, &cci)) |
167 | return (-1); |
168 | |
169 | cci.callback_func=callback_func; |
170 | cci.callback_arg=callback_arg; |
171 | |
172 | return auth_mysql_pre(cci.user, service, &auth_cram_callback, &cci); |
173 | } |
174 | #endif |
175 | |
176 | int auth_mysql(const char *service, const char *authtype, char *authdata, |
177 | int (*callback_func)(struct authinfo *, void *), |
178 | void *callback_arg) |
179 | { |
180 | if (strcmp(authtype, AUTHTYPE_LOGIN) == 0) |
181 | return (auth_mysql_login(service, authdata, |
182 | callback_func, callback_arg)); |
183 | |
184 | #if HAVE_HMACLIB |
185 | return (auth_mysql_cram(service, authtype, authdata, |
186 | callback_func, callback_arg)); |
187 | #else |
188 | errno=EPERM; |
189 | return (-1); |
190 | #endif |
191 | } |
192 | |
193 | extern int auth_mysql_pre(const char *user, const char *service, |
194 | int (*callback)(struct authinfo *, void *), |
195 | void *arg); |
196 | |
197 | static struct authstaticinfo authmysql_info={ |
198 | "authmysql", |
199 | auth_mysql, |
200 | auth_mysql_pre, |
201 | auth_mysql_cleanup, |
202 | auth_mysql_changepw, |
203 | auth_mysql_cleanup, |
204 | auth_mysql_enumerate}; |
205 | |
206 | |
207 | struct authstaticinfo *courier_authmysql_init() |
208 | { |
209 | return &authmysql_info; |
210 | } |