3 * definitions used in the daemon's source code
5 * Copyright (C)1996-1997 Ian Jackson
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with userv; if not, write to the Free Software
19 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include <sys/types.h>
27 #define RESET_CONFIGURATION " \n\
30 no-set-environment \n\
33 allow-fd 1-2 write \n\
38 #ifndef SYSTEMCONFIGDIR
40 # define SYSTEMCONFIGDIR "slash-etc"
42 # define SYSTEMCONFIGDIR "/etc"
46 #ifndef DEFAULTPATH_USER
47 # define DEFAULTPATH_USER "/usr/local/bin:/bin:/usr/bin"
50 #ifndef DEFAULTPATH_ROOT
51 # define DEFAULTPATH_ROOT "/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
54 #ifndef SETENVIRONMENT
55 # define SETENVIRONMENT "environment"
58 #define USERRCFILE "rc"
59 #define SYSTEMUSERVCONFIGDIR "userv"
60 #define SHELLLIST "shells"
61 #define SYSTEMRCFILEDEFAULT "system.default"
62 #define SYSTEMRCFILEOVERRIDE "system.override"
63 #define NONEINCLUDELOOKUP ":none"
64 #define DEFAULTINCLUDELOOKUP ":default"
65 #define EMPTYINCLUDELOOKUP ":empty"
67 #define USERCONFIGDIRBASE SYSTEMUSERVCONFIGDIR
68 #define USERCONFIGDIR HIDDENPREFIX USERCONFIGDIRBASE
69 #define USERUSERVCONFIGPATH USERDIR "/" USERCONFIGDIR
70 #define USERRCFILEPATH USERUSERVCONFIGPATH "/" USERRCFILE
71 #define SYSTEMUSERVCONFIGPATH SYSTEMCONFIGDIR "/" SYSTEMUSERVCONFIGDIR
72 #define SYSTEMRCFILEDEFAULTPATH SYSTEMUSERVCONFIGPATH "/" SYSTEMRCFILEDEFAULT
73 #define SYSTEMRCFILEOVERRIDEPATH SYSTEMUSERVCONFIGPATH "/" SYSTEMRCFILEOVERRIDE
74 #define SHELLLISTPATH SYSTEMCONFIGDIR "/" SHELLLIST
75 #define SETENVIRONMENTPATH SYSTEMCONFIGDIR "/" SETENVIRONMENT
78 #define HIDDENPREFIX "."
80 #define USERVD_LOGIDENT "uservd"
81 #define USERVD_LOGFACILITY LOG_DAEMON
82 #define DEFUSERLOGFACILITY LOG_DAEMON
83 #define DEFUSERLOGLEVEL LOG_ERR
85 #define TOPLEVEL_CONFIGURATION " \n\
87 user-rcfile " USERRCFILEPATH " \n\
89 _include-sysconfig " SYSTEMRCFILEDEFAULTPATH " \n\
90 if grep service-user-shell " SHELLLISTPATH " \n\
93 _include-user-rcfile \n\
97 _include-sysconfig " SYSTEMRCFILEOVERRIDEPATH " \n\
101 #define TOPLEVEL_OVERRIDDEN_CONFIGURATION " \n\
104 _include-client-config \n\
108 #define MAX_INCLUDE_NEST 40
109 #define MAX_ERRMSG_LEN 2048
110 #define ERRMSG_RESERVE_ERRNO 128
112 int parse_string(const char *string, const char *descrip, int isinternal);
113 void parseerrprint(const char *fmt, ...) PRINTFFORMAT(1,2);
114 void ensurelogopen(int wantfacility);
115 void ensurefdarray(int fd);
116 const char *printtoken(int token);
117 void senderrmsgstderr(const char *errmsg);
118 void disconnect(int exitstatus) NONRETURNING;
120 void always_dumpparameter(const char *parm, char **values);
121 void always_dumpexecsettings(void);
123 void debug_dumprequest(pid_t mypid);
124 void debug_dumpexecsettings(void);
125 void debug_dumpparameter(const char *parm, char **values);
126 pid_t nondebug_fork(void);
127 const char *nondebug_serviceuserdir(const char *ifnondebug);
129 typedef void builtinserviceexec_fnt(const char *const *args);
130 builtinserviceexec_fnt NONRETURNING bisexec_environment, bisexec_parameter;
131 builtinserviceexec_fnt NONRETURNING bisexec_version;
132 builtinserviceexec_fnt NONRETURNING bisexec_toplevel, bisexec_override, bisexec_reset;
133 builtinserviceexec_fnt NONRETURNING bisexec_execute;
135 void execservice(const int synchsocket[], int clientfd) NONRETURNING;
136 void servicerequest(int sfd) NONRETURNING;
137 int synchread(int fd, int ch);
138 const char *defaultpath(void);
141 int iswrite, realfd, holdfd;
143 /* tokv_word_requirefd, tokv_word_allowfd, tokv_nullfd, tokv_word_rejectfd
144 * (all of which have tokt_wantfdstate set) */
146 /* tokv_word_read, tokv_word_write */
149 struct keyvaluepair { char *key, *value; };
151 extern struct request_msg request_mbuf;
152 extern struct keyvaluepair *defvararray;
153 extern struct fdstate *fdarray; /* indexed by nominal fd */
154 extern int fdarraysize, fdarrayused;
155 extern int restfdwantstate, restfdwantrw;
156 extern int service_ngids;
157 extern char **argarray;
158 extern char *serviceuser, *service, *logname, *cwd;
159 extern char *overridedata, *userrcfile;
160 extern char *serviceuser_dir, *serviceuser_shell, *callinguser_shell;
161 extern gid_t *calling_gids, *service_gids;
162 extern uid_t serviceuser_uid;
163 extern const char **calling_groups, **service_groups;
164 extern char *execpath, **execargs;
165 extern int execute; /* One of the execution modes tokt_execmode */
166 extern int setenvironment, suppressargs, disconnecthup;
167 extern builtinserviceexec_fnt *execbuiltin;
168 extern int syslogopenfacility;