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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 "authldap.h" |
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17 | #include "courierauth.h" |
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18 | #include "courierauthstaticlist.h" |
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19 | #include "courierauthdebug.h" |
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20 | #include "libhmac/hmac.h" |
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21 | |
22 | static int auth_ldap_login(const char *service, char *authdata, |
23 | int (*callback_func)(struct authinfo *, void *), |
24 | void *callback_arg) |
25 | { |
26 | const char *user, *pass; |
27 | |
28 | if ((user=strtok(authdata, "\n")) == 0 || |
29 | (pass=strtok(0, "\n")) == 0) |
30 | { |
31 | DPRINTF("incomplete authentication data"); |
32 | errno=EPERM; |
33 | return (-1); |
34 | } |
35 | |
36 | return authldapcommon(service, user, pass, callback_func, |
37 | callback_arg); |
38 | } |
39 | |
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40 | static int auth_ldap_cram(const char *service, |
41 | const char *authtype, char *authdata, |
42 | int (*callback_func)(struct authinfo *, void *), |
43 | void *callback_arg) |
44 | { |
45 | struct cram_callback_info cci; |
46 | |
47 | if (auth_get_cram(authtype, authdata, &cci)) |
48 | return (-1); |
49 | |
50 | cci.callback_func=callback_func; |
51 | cci.callback_arg=callback_arg; |
52 | |
53 | return authldapcommon(service, cci.user, 0, &auth_cram_callback, &cci); |
54 | } |
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55 | |
56 | int auth_ldap(const char *service, const char *authtype, char *authdata, |
57 | int (*callback_func)(struct authinfo *, void *), |
58 | void *callback_arg) |
59 | { |
60 | if (strcmp(authtype, AUTHTYPE_LOGIN) == 0) |
61 | return (auth_ldap_login(service, authdata, |
62 | callback_func, callback_arg)); |
63 | |
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64 | return (auth_ldap_cram(service, authtype, authdata, |
65 | callback_func, callback_arg)); |
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66 | } |
67 | |
68 | |
69 | extern int auth_ldap_pre(const char *userid, const char *service, |
70 | int (*callback)(struct authinfo *, void *), |
71 | void *arg); |
72 | |
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73 | static struct authstaticinfo authldap_info={ |
74 | "authldap", |
75 | auth_ldap, |
76 | auth_ldap_pre, |
77 | authldapclose, |
78 | auth_ldap_changepw, |
79 | authldapclose, |
80 | auth_ldap_enumerate}; |
81 | |
82 | |
83 | struct authstaticinfo *courier_authldap_init() |
84 | { |
85 | return &authldap_info; |
86 | } |