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/*
* userv - daemon.h
* definitions used in the daemon's source code
*
* Copyright (C)1996-1997,1999 Ian Jackson
*
* This 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 2 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 userv; if not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DAEMON_H
#define DAEMON_H
#include <sys/types.h>
#define RESET_CONFIGURATION " \n\
cd ~/ \n\
reject \n\
no-set-environment \n\
suppress-args \n\
allow-fd 0 read \n\
allow-fd 1-2 write \n\
reject-fd 3- \n\
disconnect-hup \n\
"
#ifndef SYSTEMCONFIGDIR
# ifdef DEBUG
# define SYSTEMCONFIGDIR "slash-etc"
# else
# define SYSTEMCONFIGDIR "/etc"
# endif
#endif
#ifndef DEFAULTPATH_USER
# define DEFAULTPATH_USER "/usr/local/bin:/bin:/usr/bin"
#endif
#ifndef DEFAULTPATH_ROOT
# define DEFAULTPATH_ROOT "/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
#endif
#ifndef SETENVIRONMENT
# define SETENVIRONMENT "environment"
#endif
#define USERRCFILE "rc"
#define SYSTEMUSERVCONFIGDIR "userv"
#define SHELLLIST "shells"
#define SYSTEMRCFILEDEFAULT "system.default"
#define SYSTEMRCFILEOVERRIDE "system.override"
#define NONEINCLUDELOOKUP ":none"
#define DEFAULTINCLUDELOOKUP ":default"
#define EMPTYINCLUDELOOKUP ":empty"
#define USERCONFIGDIRBASE SYSTEMUSERVCONFIGDIR
#define USERCONFIGDIR "." USERCONFIGDIRBASE
#define USERUSERVCONFIGPATH "~/" USERCONFIGDIR
#define USERRCFILEPATH USERUSERVCONFIGPATH "/" USERRCFILE
#define SYSTEMUSERVCONFIGPATH SYSTEMCONFIGDIR "/" SYSTEMUSERVCONFIGDIR
#define SYSTEMRCFILEDEFAULTPATH SYSTEMUSERVCONFIGPATH "/" SYSTEMRCFILEDEFAULT
#define SYSTEMRCFILEOVERRIDEPATH SYSTEMUSERVCONFIGPATH "/" SYSTEMRCFILEOVERRIDE
#define SHELLLISTPATH SYSTEMCONFIGDIR "/" SHELLLIST
#define SETENVIRONMENTPATH SYSTEMCONFIGDIR "/" SETENVIRONMENT
#define USERVD_LOGIDENT "uservd"
#define USERVDCHECK_LOGIDENT "uservd/check"
#define USERVD_LOGFACILITY LOG_DAEMON
#define DEFUSERLOGFACILITY LOG_USER
#define DEFUSERLOGLEVEL LOG_ERR
#define TOPLEVEL_CONFIGURATION " \n\
reset \n\
user-rcfile " USERRCFILEPATH " \n\
errors-to-stderr \n\
_include-sysconfig " SYSTEMRCFILEDEFAULTPATH " \n\
if grep service-user-shell " SHELLLISTPATH " \n\
errors-push \n\
catch-quit \n\
_include-user-rcfile \n\
hctac \n\
srorre \n\
fi \n\
_include-sysconfig " SYSTEMRCFILEOVERRIDEPATH " \n\
quit \n\
"
#define TOPLEVEL_OVERRIDDEN_CONFIGURATION " \n\
reset \n\
errors-to-stderr \n\
_include-client-config \n\
quit \n\
"
#define USERVD_MYSELF_CHECK 3600
#define USERVD_MYSELF_TIMEOUT 60
#define USERVD_CHECKFORK_RETRY 60
#define MAX_INCLUDE_NEST 40
#define MAX_ERRMSG_LEN (MAX_ERRMSG_STRING-1024)
#define ERRMSG_RESERVE_ERRNO 128
int parse_string(const char *string, const char *descrip, int isinternal);
int parseerrprint(const char *fmt, ...) PRINTFFORMAT(1,2);
void ensurelogopen(int wantfacility);
void ensurefdarray(int fd);
const char *printtoken(int token);
void senderrmsgstderr(const char *errmsg);
void disconnect(int exitstatus) NONRETURNING;
void always_dumpparameter(const char *parm, char **values);
void always_dumpexecsettings(void);
void debug_dumprequest(pid_t mypid);
void debug_dumpexecsettings(void);
void debug_dumpparameter(const char *parm, char **values);
pid_t nondebug_fork(void);
const char *nondebug_serviceuserdir(const char *ifnondebug);
typedef void builtinserviceexec_fnt(const char *const *args);
builtinserviceexec_fnt NONRETURNING bisexec_environment, bisexec_parameter;
builtinserviceexec_fnt NONRETURNING bisexec_version, bisexec_help;
builtinserviceexec_fnt NONRETURNING bisexec_toplevel, bisexec_override, bisexec_reset;
builtinserviceexec_fnt NONRETURNING bisexec_execute, bisexec_shutdown;
extern const char *const builtinservicehelpstrings[];
void execservice(const int synchsocket[], int clientfd) NONRETURNING;
void servicerequest(int sfd) NONRETURNING;
int synchread(int fd, int ch);
const char *defaultpath(void);
struct fdstate {
int iswrite; /* 0 or 1; -1 if not open */
int realfd, holdfd; /* -1 if not open */
int wantstate;
/* tokv_word_requirefd, tokv_word_allowfd, tokv_nullfd, tokv_word_rejectfd
* (all of which have tokt_wantfdstate set) */
int wantrw; /* tokv_word_read, tokv_word_write, 0 for either/both */
};
struct keyvaluepair { char *key, *value; };
extern pid_t overlordpid;
extern struct request_msg request_mbuf;
extern struct keyvaluepair *defvararray;
extern struct fdstate *fdarray; /* indexed by nominal fd */
extern int fdarraysize, fdarrayused;
extern int restfdwantstate, restfdwantrw;
extern int service_ngids;
extern char **argarray;
extern char *serviceuser, *service, *loginname, *cwd;
extern char *overridedata, *userrcfile;
extern char *serviceuser_dir, *serviceuser_shell, *callinguser_shell;
extern gid_t *calling_gids, *service_gids;
extern uid_t serviceuser_uid;
extern const char **calling_groups, **service_groups;
extern char *execpath, **execargs;
extern int execute; /* One of the execution modes tokt_execmode */
extern int setenvironment, suppressargs, disconnecthup;
extern builtinserviceexec_fnt *execbuiltin;
extern int syslogopenfacility;
#endif
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