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e7938e9ee3
The purpose of this new keyword is to save in main config file all the lines of a provided fstab file. This will ultimately replace the the lxc.mount keyword when lxc scripts will use the new keyword. Warning: I did not validated this patch in all conditions of provided malformed input string. Signed-off-by: Michel Normand <michel_mno@laposte.net> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
174 lines
4.3 KiB
C
174 lines
4.3 KiB
C
/*
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* lxc: linux Container library
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*
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* (C) Copyright IBM Corp. 2007, 2008
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*
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* Authors:
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* Daniel Lezcano <dlezcano at fr.ibm.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _conf_h
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#define _conf_h
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#include <netinet/in.h>
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#include <sys/param.h>
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enum {
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EMPTY,
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VETH,
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MACVLAN,
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PHYS,
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MAXCONFTYPE,
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};
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/*
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* Defines the structure to configure an ipv4 address
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* @address : ipv4 address
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* @broadcast : ipv4 broadcast address
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* @mask : network mask
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*/
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struct lxc_inetdev {
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struct in_addr addr;
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struct in_addr bcast;
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int prefix;
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};
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struct lxc_route {
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struct in_addr addr;
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};
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/*
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* Defines the structure to configure an ipv6 address
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* @flags : set the address up
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* @address : ipv6 address
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* @broadcast : ipv6 broadcast address
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* @mask : network mask
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*/
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struct lxc_inet6dev {
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struct in6_addr addr;
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struct in6_addr bcast;
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struct in6_addr acast;
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int prefix;
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};
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struct lxc_route6 {
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struct in6_addr addr;
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};
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/*
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* Defines a structure to configure a network device
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* @ifname : network device name
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* @flags : flag of the network device (IFF_UP, ... )
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* @ipv4 : a list of ipv4 addresses to be set on the network device
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* @ipv6 : a list of ipv6 addresses to be set on the network device
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*/
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struct lxc_netdev {
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int type;
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int flags;
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int ifindex;
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char *ifname;
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char *newname;
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char *hwaddr;
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char *mtu;
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struct lxc_list ipv4;
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struct lxc_list ipv6;
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};
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/*
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* Defines a generic struct to configure the control group.
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* It is up to the programmer to specify the right subsystem.
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* @subsystem : the targetted subsystem
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* @value : the value to set
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*/
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struct lxc_cgroup {
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char *subsystem;
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char *value;
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};
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/*
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* Defines a structure containing a pty information for
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* virtualizing a tty
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* @name : the path name of the slave pty side
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* @master : the file descriptor of the master
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* @slave : the file descriptor of the slave
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*/
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struct lxc_pty_info {
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char name[MAXPATHLEN];
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int master;
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int slave;
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int busy;
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};
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/*
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* Defines the number of tty configured and contains the
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* instanciated ptys
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* @nbtty = number of configured ttys
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*/
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struct lxc_tty_info {
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int nbtty;
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struct lxc_pty_info *pty_info;
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};
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/*
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* Defines the global container configuration
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* @rootfs : the root directory to run the container
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* @mount : the list of mount points
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* @network : the network configuration
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* @utsname : the container utsname
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*/
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struct lxc_conf {
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char *rootfs;
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char *fstab;
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int tty;
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int pts;
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struct utsname *utsname;
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struct lxc_list cgroup;
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struct lxc_list network;
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struct lxc_list mount_list;
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struct lxc_tty_info tty_info;
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char console[MAXPATHLEN];
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};
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/*
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* Initialize the lxc configuration structure
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*/
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extern int lxc_conf_init(struct lxc_conf *conf);
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extern int lxc_create_network(struct lxc_list *networks);
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extern int lxc_assign_network(struct lxc_list *networks, pid_t pid);
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extern int lxc_create_tty(const char *name, struct lxc_conf *conf);
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extern void lxc_delete_tty(struct lxc_tty_info *tty_info);
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/*
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* Configure the container from inside
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*/
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struct lxc_handler;
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extern int lxc_setup(const char *name, struct lxc_conf *lxc_conf);
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extern int conf_has(const char *name, const char *info);
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#define conf_has_fstab(__name) conf_has(__name, "fstab")
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#define conf_has_rootfs(__name) conf_has(__name, "rootfs")
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#define conf_has_utsname(__name) conf_has(__name, "utsname")
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#define conf_has_network(__name) conf_has(__name, "network")
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#define conf_has_console(__name) conf_has(__name, "console")
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#define conf_has_cgroup(__name) conf_has(__name, "cgroup")
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#define conf_has_tty(__name) conf_has(__name, "tty")
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#define conf_has_pts(__name) conf_has(__name, "pts")
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#endif
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