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1 | /* |
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2 | ** Copyright 1998 - 2008 Double Precision, Inc. See COPYING for |
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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 | |
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19 | static const char rcsid[]="$Id: authcustom.c,v 1.7 2008/07/10 02:43:55 mrsam Exp $"; |
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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 | |
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37 | #include "libhmac/hmac.h" |
38 | #include "cramlib.h" |
39 | |
40 | static int auth_custom_cram(const char *service, |
41 | const char *authtype, |
42 | char *authdata, |
43 | int (*callback_func)(struct authinfo *, void *), |
44 | void *callback_arg) |
45 | { |
46 | struct cram_callback_info cci; |
47 | |
48 | if (auth_get_cram(authtype, authdata, &cci)) |
49 | return (-1); |
50 | |
51 | cci.callback_func=callback_func; |
52 | cci.callback_arg=callback_arg; |
53 | |
54 | return authcustomcommon(cci.user, 0, &auth_cram_callback, &cci); |
55 | } |
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56 | |
57 | int auth_custom(const char *service, const char *authtype, char *authdata, |
58 | int (*callback_func)(struct authinfo *, void *), |
59 | void *callback_arg) |
60 | { |
61 | if (strcmp(authtype, AUTHTYPE_LOGIN) == 0) |
62 | return (auth_custom_login(service, authdata, |
63 | callback_func, callback_arg)); |
64 | |
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65 | return (auth_custom_cram(service, authtype, authdata, |
66 | callback_func, callback_arg)); |
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67 | } |
68 | |
69 | |
70 | extern int auth_custom_pre(const char *userid, const char *service, |
71 | int (*callback)(struct authinfo *, void *), |
72 | void *arg); |
73 | |
74 | static int auth_custom_chgpwd(const char *service, |
75 | const char *uid, |
76 | const char *oldpwd, |
77 | const char *newpwd) |
78 | { |
79 | /* |
80 | ** Insert code to change the account's password here. |
81 | ** |
82 | ** return 0 if changed. |
83 | ** |
84 | ** return 1 if failed. |
85 | ** Set errno to EPERM if we had a temporary failure (such as invalid |
86 | ** old pwd). |
87 | ** |
88 | ** Set errno to EINVAL if we failed because we did not recognize uid. |
89 | */ |
90 | |
91 | errno=EINVAL; |
92 | return (-1); |
93 | } |
94 | |
95 | static void auth_custom_idle() |
96 | { |
97 | /* |
98 | ** Insert code to temporarily deallocate resources after remaining |
99 | ** idle (as part of authdaemond) for more than 5 minutes. |
100 | */ |
101 | } |
102 | |
103 | static struct authstaticinfo authcustom_info={ |
104 | "authcustom", |
105 | auth_custom, |
106 | auth_custom_pre, |
107 | authcustomclose, |
108 | auth_custom_chgpwd, |
109 | auth_custom_idle}; |
110 | |
111 | |
112 | struct authstaticinfo *courier_authcustom_init() |
113 | { |
114 | return &authcustom_info; |
115 | } |