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/*
* FreeIPA 2FA companion daemon
*
* Authors: Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2013 Nathaniel McCallum, Red Hat
* see file 'COPYING' for use and warranty information
*
* This program is free software you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INTERNAL_H_
#define INTERNAL_H_
#include "krad.h"
#include <ldap.h>
#include <errno.h>
#define SECRET ""
#define otpd_log_req(req, ...) \
otpd_log_req_(__FILE__, __LINE__, (req), __VA_ARGS__)
#define otpd_log_err(errnum, ...) \
otpd_log_err_(__FILE__, __LINE__, (errnum), __VA_ARGS__)
struct otpd_queue_iter;
struct otpd_queue_item {
struct otpd_queue_item *next;
krad_packet *req;
krad_packet *rsp;
size_t sent;
char *error;
struct {
char *dn;
char *uid;
char *ipatokenRadiusUserName;
char *ipatokenRadiusConfigLink;
char *other;
} user;
struct {
char *ipatokenUserMapAttribute;
char *ipatokenRadiusSecret;
char *ipatokenRadiusServer;
time_t ipatokenRadiusTimeout;
size_t ipatokenRadiusRetries;
} radius;
int msgid;
};
struct otpd_queue {
struct otpd_queue_item *head;
struct otpd_queue_item *tail;
};
/* This structure contains our global state. The most important part is the
* queues. When a request comes in (stdio.c), it is placed into an item object.
* This item exists in only one queue at a time as it flows through this
* daemon.
*
* The flow is: stdin => query => (forward (no queue) or bind) => stdout.
*/
struct otpd_context {
verto_ctx *vctx;
krb5_context kctx;
krad_client *client;
krad_attrset *attrs;
int exitstatus;
struct {
verto_ev *reader;
verto_ev *writer;
struct otpd_queue responses;
} stdio;
struct {
char *base;
verto_ev *io;
struct otpd_queue requests;
struct otpd_queue responses;
} query;
struct {
verto_ev *io;
struct otpd_queue requests;
struct otpd_queue responses;
} bind;
};
extern struct otpd_context ctx;
void otpd_log_req_(const char * const file, int line, krad_packet *req,
const char * const tmpl, ...);
void otpd_log_err_(const char * const file, int line, krb5_error_code code,
const char * const tmpl, ...);
krb5_error_code otpd_queue_item_new(krad_packet *req,
struct otpd_queue_item **item);
void otpd_queue_item_free(struct otpd_queue_item *item);
krb5_error_code otpd_queue_iter_new(const struct otpd_queue * const *queues,
struct otpd_queue_iter **iter);
const krad_packet *otpd_queue_iter_func(void *data, krb5_boolean cancel);
void otpd_queue_push(struct otpd_queue *q, struct otpd_queue_item *item);
void otpd_queue_push_head(struct otpd_queue *q, struct otpd_queue_item *item);
struct otpd_queue_item *otpd_queue_peek(struct otpd_queue *q);
struct otpd_queue_item *otpd_queue_pop(struct otpd_queue *q);
struct otpd_queue_item *otpd_queue_pop_msgid(struct otpd_queue *q, int msgid);
void otpd_queue_free_items(struct otpd_queue *q);
void otpd_on_stdin_readable(verto_ctx *vctx, verto_ev *ev);
void otpd_on_stdout_writable(verto_ctx *vctx, verto_ev *ev);
void otpd_on_query_io(verto_ctx *vctx, verto_ev *ev);
void otpd_on_bind_io(verto_ctx *vctx, verto_ev *ev);
krb5_error_code otpd_forward(struct otpd_queue_item **i);
const char *otpd_parse_user(LDAP *ldp, LDAPMessage *entry,
struct otpd_queue_item *item);
const char *otpd_parse_radius(LDAP *ldp, LDAPMessage *entry,
struct otpd_queue_item *item);
const char *otpd_parse_radius_username(LDAP *ldp, LDAPMessage *entry,
struct otpd_queue_item *item);
#endif /* INTERNAL_H_ */
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