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"
36 # define RENDEZVOUS "socket"
39 #ifndef RENDEZVOUSPATH
40 # define RENDEZVOUSPATH VARDIR "/" RENDEZVOUS
44 # define PIPEFORMAT "%lx.%lx.%x"
45 # define PIPEPATTERN "[0-9a-f]*.[0-9a-f]*.*[0-9a-f]"
46 # define PIPEFORMATEXTEND (sizeof(long)*2*2+sizeof(int)*2+1)
47 # define PIPEMAXLEN (sizeof(PIPEFORMAT)+PIPEFORMATEXTEND)
50 #ifndef PIPEPATHFORMAT
51 # define PIPEPATHFORMAT VARDIR "/" PIPEFORMAT
52 # define PIPEPATHMAXLEN (sizeof(PIPEPATHFORMAT)+PIPEFORMATEXTEND)
55 #define MAX_ALLOW_FD 1024
56 #define MAX_INCLUDE_NEST 40
57 #define MAX_GENERAL_STRING (1024*1024)
58 #define MAX_OVERRIDE_LEN MAX_GENERAL_STRING
59 #define MAX_ARGSDEFVARS 4096
63 # define BASE_MAGIC 0x5deb7567 /* "\x5d\xebug" */
65 # define BASE_MAGIC 0x755e7276 /* "u\x5erv" */
69 OPENING_MAGIC= BASE_MAGIC+1,
73 PROGRESS_ERRMSG_END_MAGIC,
79 unsigned char protocolchecksumversion[PCSUMSIZE];
91 int ngids, nreadfds, nwritefds, nargs, nvars, overridelen;
93 * serviceuserlen bytes for the service user (unterminated)
94 * servicelen bytes for the service (unterminated)
95 * lognamelen bytes for the login name (unterminated)
96 * cwdlen bytes for the cwd (unterminated)
97 * ngids gid_ts for the primary group and supplementary groups
98 * nreadfds and then nwritefds ints for the file descriptors
99 * for each of the nargs arguments
100 * an int for the string length
101 * that many characters (unterminated)
102 * for each for the nvars variable keys
103 * an int for the key length
104 * that many characters (unterminated)
105 * an int for the value length
106 * that many characters (unterminated)
107 * one unsigned long, endmagic;
111 struct progress_msg {
113 enum { pt_ok, pt_errmsg, pt_failed, pt_terminated } type;
115 struct { int messagelen; } errmsg;
116 struct { int status; } terminated;
118 /* follwed by variable-length part:
120 * for errmsg: messagelen bytes for the error message (unterminated)
121 * unsigned long PROGRESS_MAGIC
122 * for terminated: nothing
128 enum { et_confirm, et_closereadfd, et_disconnect } type;
130 struct { int fd; } closereadfd;