| 1 | /* |
| 2 | ** Copyright 1998 - 2008 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 "authldap.h" |
| 17 | #include "courierauth.h" |
| 18 | #include "courierauthstaticlist.h" |
| 19 | #include "courierauthdebug.h" |
| 20 | #include "libhmac/hmac.h" |
| 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 | |
| 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 | } |
| 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 | |
| 64 | return (auth_ldap_cram(service, authtype, authdata, |
| 65 | callback_func, callback_arg)); |
| 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 | |
| 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 | } |