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/*
SSSD
Proxy provider, private header file
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (C) 2010 Red Hat
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 __PROXY_H__
#define __PROXY_H__
#include <nss.h>
#include <errno.h>
#include <pwd.h>
#include <grp.h>
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <security/pam_appl.h>
#include <security/pam_modules.h>
#include "util/util.h"
#include "providers/dp_backend.h"
#include "db/sysdb.h"
#include "proxy.h"
#include "sss_client/nss_compat.h"
#include <dhash.h>
struct proxy_nss_ops {
enum nss_status (*getpwnam_r)(const char *name, struct passwd *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*getpwuid_r)(uid_t uid, struct passwd *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*setpwent)(void);
enum nss_status (*getpwent_r)(struct passwd *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*endpwent)(void);
enum nss_status (*getgrnam_r)(const char *name, struct group *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*getgrgid_r)(gid_t gid, struct group *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*setgrent)(void);
enum nss_status (*getgrent_r)(struct group *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*endgrent)(void);
enum nss_status (*initgroups_dyn)(const char *user, gid_t group,
long int *start, long int *size,
gid_t **groups, long int limit,
int *errnop);
enum nss_status (*setnetgrent)(const char *netgroup,
struct __netgrent *result);
enum nss_status (*getnetgrent_r)(struct __netgrent *result, char *buffer,
size_t buflen, int *errnop);
enum nss_status (*endnetgrent)(struct __netgrent *result);
/* Services */
enum nss_status (*getservbyname_r)(const char *name,
const char *protocol,
struct servent *result,
char *buffer, size_t buflen,
int *errnop);
enum nss_status (*getservbyport_r)(int port, const char *protocol,
struct servent *result,
char *buffer, size_t buflen,
int *errnop);
enum nss_status (*setservent)(void);
enum nss_status (*getservent_r)(struct servent *result,
char *buffer, size_t buflen,
int *errnop);
enum nss_status (*endservent)(void);
};
struct authtok_conv {
uint32_t authtok_size;
uint8_t *authtok;
uint32_t newauthtok_size;
uint8_t *newauthtok;
bool sent_old;
};
struct proxy_id_ctx {
struct be_ctx *be;
struct proxy_nss_ops ops;
void *handle;
};
struct proxy_auth_ctx {
struct be_ctx *be;
char *pam_target;
uint32_t max_children;
uint32_t running;
uint32_t next_id;
hash_table_t *request_table;
struct sbus_connection *sbus_srv;
int timeout_ms;
};
struct proxy_child_ctx {
struct proxy_auth_ctx *auth_ctx;
struct be_req *be_req;
struct pam_data *pd;
uint32_t id;
pid_t pid;
bool running;
struct sbus_connection *conn;
struct tevent_timer *timer;
struct tevent_req *init_req;
};
struct pc_init_ctx {
char *command;
pid_t pid;
struct tevent_timer *timeout;
struct tevent_signal *sige;
struct proxy_child_ctx *child_ctx;
struct sbus_connection *conn;
};
#define PROXY_CHILD_PIPE "private/proxy_child"
#define DEFAULT_BUFSIZE 4096
#define MAX_BUF_SIZE 1024*1024 /* max 1MiB */
/* From proxy_common.c */
void proxy_reply(struct be_req *req, int dp_err,
int error, const char *errstr);
/* From proxy_id.c */
void proxy_get_account_info(struct be_req *breq);
/* From proxy_auth.c */
void proxy_pam_handler(struct be_req *req);
/* From proxy_netgroup.c */
errno_t get_netgroup(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
const char *name);
errno_t get_serv_byname(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
const char *name,
const char *protocol);
errno_t
get_serv_byport(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
const char *be_filter,
const char *protocol);
errno_t enum_services(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom);
#endif /* __PROXY_H__ */
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