d9898ee8 |
1 | /* |
2 | ** Copyright 1998 - 2004 Double Precision, Inc. See COPYING for |
3 | ** distribution information. |
4 | */ |
5 | |
6 | #if HAVE_CONFIG_H |
7 | #include "courier_auth_config.h" |
8 | #endif |
9 | #include <stdio.h> |
10 | #include <stdlib.h> |
11 | #include <ctype.h> |
12 | #include <string.h> |
13 | #include <errno.h> |
14 | |
15 | #include "auth.h" |
16 | #include "authcustom.h" |
17 | #include "authstaticlist.h" |
18 | |
19 | static const char rcsid[]="$Id: authcustom.c,v 1.6 2005/03/20 19:10:30 mrsam Exp $"; |
20 | |
21 | static int auth_custom_login(const char *service, char *authdata, |
22 | int (*callback_func)(struct authinfo *, void *), |
23 | int *callback_arg) |
24 | { |
25 | const char *user, *pass; |
26 | |
27 | if ((user=strtok(authdata, "\n")) == 0 || |
28 | (pass=strtok(0, "\n")) == 0) |
29 | { |
30 | errno=EPERM; |
31 | return (-1); |
32 | } |
33 | |
34 | return authcustomcommon(user, pass, callback_func, callback_arg); |
35 | } |
36 | |
37 | #if HAVE_HMACLIB |
38 | |
39 | #include "libhmac/hmac.h" |
40 | #include "cramlib.h" |
41 | |
42 | static int auth_custom_cram(const char *service, |
43 | const char *authtype, |
44 | char *authdata, |
45 | int (*callback_func)(struct authinfo *, void *), |
46 | void *callback_arg) |
47 | { |
48 | struct cram_callback_info cci; |
49 | |
50 | if (auth_get_cram(authtype, authdata, &cci)) |
51 | return (-1); |
52 | |
53 | cci.callback_func=callback_func; |
54 | cci.callback_arg=callback_arg; |
55 | |
56 | return authcustomcommon(cci.user, 0, &auth_cram_callback, &cci); |
57 | } |
58 | #endif |
59 | |
60 | int auth_custom(const char *service, const char *authtype, char *authdata, |
61 | int (*callback_func)(struct authinfo *, void *), |
62 | void *callback_arg) |
63 | { |
64 | if (strcmp(authtype, AUTHTYPE_LOGIN) == 0) |
65 | return (auth_custom_login(service, authdata, |
66 | callback_func, callback_arg)); |
67 | |
68 | #if HAVE_HMACLIB |
69 | return (auth_custom_cram(service, authtype, authdata, |
70 | callback_func, callback_arg)); |
71 | #else |
72 | return -1; |
73 | #endif |
74 | } |
75 | |
76 | |
77 | extern int auth_custom_pre(const char *userid, const char *service, |
78 | int (*callback)(struct authinfo *, void *), |
79 | void *arg); |
80 | |
81 | static int auth_custom_chgpwd(const char *service, |
82 | const char *uid, |
83 | const char *oldpwd, |
84 | const char *newpwd) |
85 | { |
86 | /* |
87 | ** Insert code to change the account's password here. |
88 | ** |
89 | ** return 0 if changed. |
90 | ** |
91 | ** return 1 if failed. |
92 | ** Set errno to EPERM if we had a temporary failure (such as invalid |
93 | ** old pwd). |
94 | ** |
95 | ** Set errno to EINVAL if we failed because we did not recognize uid. |
96 | */ |
97 | |
98 | errno=EINVAL; |
99 | return (-1); |
100 | } |
101 | |
102 | static void auth_custom_idle() |
103 | { |
104 | /* |
105 | ** Insert code to temporarily deallocate resources after remaining |
106 | ** idle (as part of authdaemond) for more than 5 minutes. |
107 | */ |
108 | } |
109 | |
110 | static struct authstaticinfo authcustom_info={ |
111 | "authcustom", |
112 | auth_custom, |
113 | auth_custom_pre, |
114 | authcustomclose, |
115 | auth_custom_chgpwd, |
116 | auth_custom_idle}; |
117 | |
118 | |
119 | struct authstaticinfo *courier_authcustom_init() |
120 | { |
121 | return &authcustom_info; |
122 | } |