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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" |
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17 | #include "courierauth.h" |
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18 | #include "courierauthstaticlist.h" |
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19 | #include "libhmac/hmac.h" |
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20 | |
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21 | |
22 | static int auth_custom_login(const char *service, char *authdata, |
23 | int (*callback_func)(struct authinfo *, void *), |
24 | int *callback_arg) |
25 | { |
26 | const char *user, *pass; |
27 | |
28 | if ((user=strtok(authdata, "\n")) == 0 || |
29 | (pass=strtok(0, "\n")) == 0) |
30 | { |
31 | errno=EPERM; |
32 | return (-1); |
33 | } |
34 | |
35 | return authcustomcommon(user, pass, callback_func, callback_arg); |
36 | } |
37 | |
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38 | static int auth_custom_cram(const char *service, |
39 | const char *authtype, |
40 | char *authdata, |
41 | int (*callback_func)(struct authinfo *, void *), |
42 | void *callback_arg) |
43 | { |
44 | struct cram_callback_info cci; |
45 | |
46 | if (auth_get_cram(authtype, authdata, &cci)) |
47 | return (-1); |
48 | |
49 | cci.callback_func=callback_func; |
50 | cci.callback_arg=callback_arg; |
51 | |
52 | return authcustomcommon(cci.user, 0, &auth_cram_callback, &cci); |
53 | } |
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54 | |
55 | int auth_custom(const char *service, const char *authtype, char *authdata, |
56 | int (*callback_func)(struct authinfo *, void *), |
57 | void *callback_arg) |
58 | { |
59 | if (strcmp(authtype, AUTHTYPE_LOGIN) == 0) |
60 | return (auth_custom_login(service, authdata, |
61 | callback_func, callback_arg)); |
62 | |
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63 | return (auth_custom_cram(service, authtype, authdata, |
64 | callback_func, callback_arg)); |
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65 | } |
66 | |
67 | |
68 | extern int auth_custom_pre(const char *userid, const char *service, |
69 | int (*callback)(struct authinfo *, void *), |
70 | void *arg); |
71 | |
72 | static int auth_custom_chgpwd(const char *service, |
73 | const char *uid, |
74 | const char *oldpwd, |
75 | const char *newpwd) |
76 | { |
77 | /* |
78 | ** Insert code to change the account's password here. |
79 | ** |
80 | ** return 0 if changed. |
81 | ** |
82 | ** return 1 if failed. |
83 | ** Set errno to EPERM if we had a temporary failure (such as invalid |
84 | ** old pwd). |
85 | ** |
86 | ** Set errno to EINVAL if we failed because we did not recognize uid. |
87 | */ |
88 | |
89 | errno=EINVAL; |
90 | return (-1); |
91 | } |
92 | |
93 | static void auth_custom_idle() |
94 | { |
95 | /* |
96 | ** Insert code to temporarily deallocate resources after remaining |
97 | ** idle (as part of authdaemond) for more than 5 minutes. |
98 | */ |
99 | } |
100 | |
101 | static struct authstaticinfo authcustom_info={ |
102 | "authcustom", |
103 | auth_custom, |
104 | auth_custom_pre, |
105 | authcustomclose, |
106 | auth_custom_chgpwd, |
107 | auth_custom_idle}; |
108 | |
109 | |
110 | struct authstaticinfo *courier_authcustom_init() |
111 | { |
112 | return &authcustom_info; |
113 | } |