3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2, or (at your option)
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef H_VSERVER_SYSCALL_H
20 #define H_VSERVER_SYSCALL_H
24 #include <sys/types.h>
27 # define VC_NOCTX ((ctx_t)(-1))
30 #ifndef S_CTX_INFO_LOCK
31 # define S_CTX_INFO_LOCK 1
34 #ifndef S_CTX_INFO_SCHED
35 # define S_CTX_INFO_SCHED 2
38 #ifndef S_CTX_INFO_NPROC
39 # define S_CTX_INFO_NPROC 4
42 #ifndef S_CTX_INFO_PRIVATE
43 # define S_CTX_INFO_PRIVATE 8
46 #ifndef S_CTX_INFO_INIT
47 # define S_CTX_INFO_INIT 16
50 #ifndef S_CTX_INFO_HIDEINFO
51 # define S_CTX_INFO_HIDEINFO 32
54 #ifndef S_CTX_INFO_ULIMIT
55 # define S_CTX_INFO_ULIMIT 64
63 struct vc_ip_mask_pair {
68 /** Returns version of the given API-category */
69 int vc_get_version(int category);
71 /** Puts current process into context <ctx>, removes the given caps and
73 * Special values for ctx are
74 * - -2 which means the current context (just for changing caps and flags)
75 * - -1 which means the next free context; this value can be used by
76 * ordinary users also */
77 int vc_new_s_context(ctx_t ctx, unsigned int remove_cap, unsigned int flags);
79 /** Sets the ipv4root information.
80 * \precondition: nb<16 */
81 int vc_set_ipv4root(uint32_t bcast, size_t nb, struct vc_ip_mask_pair const *ips);
83 int vc_chrootsafe(char const *dir);
86 /** Returns the context of the given process. */
87 ctx_t vc_X_getctx(pid_t pid);
89 /** Returns the context of the current process. */
90 #define vc_X_getcctx() (vc_X_getctx(getpid()))