#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);

};

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;

int entry_cache_timeout;

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 */

void proxy_reply(struct be_req *req, int dp_err,

int error, const char *errstr);

void proxy_get_account_info(struct be_req *breq);

void proxy_pam_handler(struct be_req *req);

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);

get_serv_byport(struct proxy_id_ctx *ctx,

struct sysdb_ctx *sysdb,

struct sss_domain_info *dom,

const char *be_filter,

const char *protocol);

#endif /* __PROXY_H__ */