3 * definitions shared between client and daemon
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.
27 static const unsigned char protocolchecksumversion[PCSUMSIZE]= {
32 # define VARDIR "/var/run/userv"
38 # define RENDEZVOUS "socket"
41 #ifndef RENDEZVOUSPATH
42 # define RENDEZVOUSPATH VARDIR DIRSEP RENDEZVOUS
46 # ifdef AC_SYS_LONG_FILENAMES
47 # define PIPEFORMAT "pipe.%lu.%lu.%d"
48 # define PIPEFORMATEXTEND (sizeof(long)*3*2+sizeof(int)*3+1)
50 # define PIPEFORMAT "%lx.%lx.%x"
51 # define PIPEFORMATEXTEND (sizeof(long)*2*2+sizeof(int)*2+1)
55 #ifndef PIPEPATHFORMAT
56 # define PIPEPATHFORMAT VARDIR DIRSEP PIPEFORMAT
57 # define PIPEPATHMAXLEN (sizeof(PIPEPATHFORMAT)+PIPEFORMATEXTEND)
60 #define MAX_ALLOW_FD 255
61 #define MAX_INCLUDE_NEST 40
62 #define MAX_OVERRIDE_LEN (1024*1024)
65 # define BASE_MAGIC 0x5deb7567 /* "\x5d\xebug" */
67 # define BASE_MAGIC 0x755e7276 /* "u\x5erv" */
71 OPENING_MAGIC= BASE_MAGIC+1,
75 PROGRESS_ERRMSG_END_MAGIC,
81 unsigned char protocolchecksumversion[PCSUMSIZE];
93 int ngids, nreadfds, nwritefds, nargs, nvars, overridelen;
95 * serviceuserlen bytes for the service user (unterminated)
96 * servicelen bytes for the service (unterminated)
97 * lognamelen bytes for the login name (unterminated)
98 * cwdlen bytes for the cwd (unterminated)
99 * ngids gid_ts for the primary group and supplementary groups
100 * nreadfds and then nwritefds ints for the file descriptors
101 * for each of the nargs arguments
102 * an int for the string length
103 * that many characters (unterminated)
104 * for each for the nvars variable keys
105 * an int for the key length
106 * that many characters (unterminated)
107 * an int for the value length
108 * that many characters (unterminated)
109 * one unsigned long, endmagic;
113 struct progress_msg {
115 enum { pt_ok, pt_errmsg, pt_failed, pt_terminated } type;
117 struct { int messagelen; } errmsg;
118 struct { int status; } terminated;
120 /* follwed by variable-length part:
122 * for errmsg: messagelen bytes for the error message (unterminated)
123 * unsigned long PROGRESS_MAGIC
124 * for terminated: nothing
130 enum { et_confirm, et_closereadfd, et_disconnect } type;
132 struct { int fd; } closereadfd;