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b0322a85 CE |
1 | /* |
2 | ** Copyright 2000-2008 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 "authsqlite.h" | |
19 | #include "courierauthstaticlist.h" | |
20 | #include "courierauthdebug.h" | |
21 | #include "libhmac/hmac.h" | |
22 | #include "cramlib.h" | |
23 | ||
24 | ||
25 | extern void auth_sqlite_enumerate( void(*cb_func)(const char *name, | |
26 | uid_t uid, | |
27 | gid_t gid, | |
28 | const char *homedir, | |
29 | const char *maildir, | |
30 | const char *options, | |
31 | void *void_arg), | |
32 | void *void_arg); | |
33 | ||
34 | static int auth_sqlite_login(const char *service, char *authdata, | |
35 | int (*callback_func)(struct authinfo *, void *), | |
36 | void *callback_arg) | |
37 | { | |
38 | char *user, *pass; | |
39 | struct authsqliteuserinfo *authinfo; | |
40 | struct authinfo aa; | |
41 | ||
42 | ||
43 | if ((user=strtok(authdata, "\n")) == 0 || | |
44 | (pass=strtok(0, "\n")) == 0) | |
45 | { | |
46 | errno=EPERM; | |
47 | return (-1); | |
48 | } | |
49 | ||
50 | authinfo=auth_sqlite_getuserinfo(user, service); | |
51 | ||
52 | if (!authinfo) /* Fatal error - such as Sqlite being down */ | |
53 | { | |
54 | errno=EACCES; | |
55 | return (1); | |
56 | } | |
57 | ||
58 | if (authinfo->cryptpw) | |
59 | { | |
60 | if (authcheckpassword(pass,authinfo->cryptpw)) | |
61 | { | |
62 | errno=EPERM; | |
63 | return (-1); /* User/Password not found. */ | |
64 | } | |
65 | } | |
66 | else if (authinfo->clearpw) | |
67 | { | |
68 | if (strcmp(pass, authinfo->clearpw)) | |
69 | { | |
70 | if (courier_authdebug_login_level >= 2) | |
71 | { | |
72 | DPRINTF("supplied password '%s' does not match clearpasswd '%s'", | |
73 | pass, authinfo->clearpw); | |
74 | } | |
75 | else | |
76 | { | |
77 | DPRINTF("supplied password does not match clearpasswd"); | |
78 | } | |
79 | errno=EPERM; | |
80 | return (-1); | |
81 | } | |
82 | } | |
83 | else | |
84 | { | |
85 | DPRINTF("no password available to compare"); | |
86 | errno=EPERM; | |
87 | return (-1); /* Username not found */ | |
88 | } | |
89 | ||
90 | memset(&aa, 0, sizeof(aa)); | |
91 | ||
92 | aa.sysuserid= &authinfo->uid; | |
93 | aa.sysgroupid= authinfo->gid; | |
94 | aa.homedir=authinfo->home; | |
95 | aa.maildir=authinfo->maildir && authinfo->maildir[0] ? | |
96 | authinfo->maildir:0; | |
97 | aa.address=authinfo->username; | |
98 | aa.quota=authinfo->quota && authinfo->quota[0] ? | |
99 | authinfo->quota:0; | |
100 | aa.fullname=authinfo->fullname; | |
101 | aa.options=authinfo->options; | |
102 | aa.clearpasswd=pass; | |
103 | aa.passwd=authinfo->cryptpw; | |
104 | courier_authdebug_authinfo("DEBUG: authsqlite: ", &aa, | |
105 | authinfo->clearpw, authinfo->cryptpw); | |
106 | ||
107 | return (*callback_func)(&aa, callback_arg); | |
108 | } | |
109 | ||
110 | static int auth_sqlite_changepw(const char *service, const char *user, | |
111 | const char *pass, | |
112 | const char *newpass) | |
113 | { | |
114 | struct authsqliteuserinfo *authinfo; | |
115 | ||
116 | authinfo=auth_sqlite_getuserinfo(user, service); | |
117 | ||
118 | if (!authinfo) | |
119 | { | |
120 | errno=ENOENT; | |
121 | return (-1); | |
122 | } | |
123 | ||
124 | if (authinfo->cryptpw) | |
125 | { | |
126 | if (authcheckpassword(pass,authinfo->cryptpw)) | |
127 | { | |
128 | errno=EPERM; | |
129 | return (-1); /* User/Password not found. */ | |
130 | } | |
131 | } | |
132 | else if (authinfo->clearpw) | |
133 | { | |
134 | if (strcmp(pass, authinfo->clearpw)) | |
135 | { | |
136 | errno=EPERM; | |
137 | return (-1); | |
138 | } | |
139 | } | |
140 | else | |
141 | { | |
142 | errno=EPERM; | |
143 | return (-1); | |
144 | } | |
145 | ||
146 | if (auth_sqlite_setpass(user, newpass, authinfo->cryptpw)) | |
147 | { | |
148 | errno=EPERM; | |
149 | return (-1); | |
150 | } | |
151 | return (0); | |
152 | } | |
153 | ||
154 | static int auth_sqlite_cram(const char *service, | |
155 | const char *authtype, char *authdata, | |
156 | int (*callback_func)(struct authinfo *, void *), | |
157 | void *callback_arg) | |
158 | { | |
159 | struct cram_callback_info cci; | |
160 | ||
161 | if (auth_get_cram(authtype, authdata, &cci)) | |
162 | return (-1); | |
163 | ||
164 | cci.callback_func=callback_func; | |
165 | cci.callback_arg=callback_arg; | |
166 | ||
167 | return auth_sqlite_pre(cci.user, service, &auth_cram_callback, &cci); | |
168 | } | |
169 | ||
170 | int auth_sqlite(const char *service, const char *authtype, char *authdata, | |
171 | int (*callback_func)(struct authinfo *, void *), | |
172 | void *callback_arg) | |
173 | { | |
174 | if (strcmp(authtype, AUTHTYPE_LOGIN) == 0) | |
175 | return (auth_sqlite_login(service, authdata, | |
176 | callback_func, callback_arg)); | |
177 | ||
178 | return (auth_sqlite_cram(service, authtype, authdata, | |
179 | callback_func, callback_arg)); | |
180 | } | |
181 | ||
182 | extern int auth_sqlite_pre(const char *user, const char *service, | |
183 | int (*callback)(struct authinfo *, void *), | |
184 | void *arg); | |
185 | ||
186 | static struct authstaticinfo authsqlite_info={ | |
187 | "authsqlite", | |
188 | auth_sqlite, | |
189 | auth_sqlite_pre, | |
190 | auth_sqlite_cleanup, | |
191 | auth_sqlite_changepw, | |
192 | auth_sqlite_cleanup, | |
193 | auth_sqlite_enumerate}; | |
194 | ||
195 | ||
196 | struct authstaticinfo *courier_authsqlite_init() | |
197 | { | |
198 | return &authsqlite_info; | |
199 | } |