Date: Wed, 24 Feb 2016 02:34:12 +0000 (UTC) From: Marcelo Araujo <araujo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r295951 - in stable/10: sys/compat/linprocfs sys/compat/linsysfs sys/kern sys/sys usr.sbin/jail Message-ID: <201602240234.u1O2YCEx032482@repo.freebsd.org>
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Author: araujo Date: Wed Feb 24 02:34:11 2016 New Revision: 295951 URL: https://svnweb.freebsd.org/changeset/base/295951 Log: MFH: 285685 Add support to the jail framework to be able to mount linsysfs(5) and linprocfs(5). PR: 207179 Requested by: thomas@gibfest.dk Reviewed by: jamie, bapt Approved by: re (gjb) Sponsored by: gandi.net Differential Revision: https://reviews.freebsd.org/D5390 Modified: stable/10/sys/compat/linprocfs/linprocfs.c stable/10/sys/compat/linsysfs/linsysfs.c stable/10/sys/kern/kern_jail.c stable/10/sys/sys/jail.h stable/10/usr.sbin/jail/jail.8 Modified: stable/10/sys/compat/linprocfs/linprocfs.c ============================================================================== --- stable/10/sys/compat/linprocfs/linprocfs.c Wed Feb 24 01:58:40 2016 (r295950) +++ stable/10/sys/compat/linprocfs/linprocfs.c Wed Feb 24 02:34:11 2016 (r295951) @@ -1514,7 +1514,7 @@ linprocfs_uninit(PFS_INIT_ARGS) return (0); } -PSEUDOFS(linprocfs, 1, 0); +PSEUDOFS(linprocfs, 1, PR_ALLOW_MOUNT_LINPROCFS); #if defined(__amd64__) MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); #else Modified: stable/10/sys/compat/linsysfs/linsysfs.c ============================================================================== --- stable/10/sys/compat/linsysfs/linsysfs.c Wed Feb 24 01:58:40 2016 (r295950) +++ stable/10/sys/compat/linsysfs/linsysfs.c Wed Feb 24 02:34:11 2016 (r295951) @@ -274,7 +274,7 @@ linsysfs_uninit(PFS_INIT_ARGS) return (0); } -PSEUDOFS(linsysfs, 1, 0); +PSEUDOFS(linsysfs, 1, PR_ALLOW_MOUNT_LINSYSFS); #if defined(__amd64__) MODULE_DEPEND(linsysfs, linux_common, 1, 1, 1); #else Modified: stable/10/sys/kern/kern_jail.c ============================================================================== --- stable/10/sys/kern/kern_jail.c Wed Feb 24 01:58:40 2016 (r295950) +++ stable/10/sys/kern/kern_jail.c Wed Feb 24 02:34:11 2016 (r295951) @@ -208,6 +208,8 @@ static char *pr_allow_names[] = { "allow.mount.procfs", "allow.mount.tmpfs", "allow.mount.fdescfs", + "allow.mount.linprocfs", + "allow.mount.linsysfs", }; const size_t pr_allow_names_size = sizeof(pr_allow_names); @@ -225,6 +227,8 @@ static char *pr_allow_nonames[] = { "allow.mount.noprocfs", "allow.mount.notmpfs", "allow.mount.nofdescfs", + "allow.mount.nolinprocfs", + "allow.mount.nolinsysfs", }; const size_t pr_allow_nonames_size = sizeof(pr_allow_nonames); @@ -4315,6 +4319,14 @@ SYSCTL_PROC(_security_jail, OID_AUTO, mo CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, PR_ALLOW_MOUNT_PROCFS, sysctl_jail_default_allow, "I", "Processes in jail can mount the procfs file system"); +SYSCTL_PROC(_security_jail, OID_AUTO, mount_linprocfs_allowed, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, + NULL, PR_ALLOW_MOUNT_LINPROCFS, sysctl_jail_default_allow, "I", + "Processes in jail can mount the linprocfs file system"); +SYSCTL_PROC(_security_jail, OID_AUTO, mount_linsysfs_allowed, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, + NULL, PR_ALLOW_MOUNT_LINSYSFS, sysctl_jail_default_allow, "I", + "Processes in jail can mount the linsysfs file system"); SYSCTL_PROC(_security_jail, OID_AUTO, mount_tmpfs_allowed, CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, PR_ALLOW_MOUNT_TMPFS, sysctl_jail_default_allow, "I", @@ -4481,6 +4493,10 @@ SYSCTL_JAIL_PARAM(_allow_mount, nullfs, "B", "Jail may mount the nullfs file system"); SYSCTL_JAIL_PARAM(_allow_mount, procfs, CTLTYPE_INT | CTLFLAG_RW, "B", "Jail may mount the procfs file system"); +SYSCTL_JAIL_PARAM(_allow_mount, linprocfs, CTLTYPE_INT | CTLFLAG_RW, + "B", "Jail may mount the linprocfs file system"); +SYSCTL_JAIL_PARAM(_allow_mount, linsysfs, CTLTYPE_INT | CTLFLAG_RW, + "B", "Jail may mount the linsysfs file system"); SYSCTL_JAIL_PARAM(_allow_mount, tmpfs, CTLTYPE_INT | CTLFLAG_RW, "B", "Jail may mount the tmpfs file system"); SYSCTL_JAIL_PARAM(_allow_mount, zfs, CTLTYPE_INT | CTLFLAG_RW, Modified: stable/10/sys/sys/jail.h ============================================================================== --- stable/10/sys/sys/jail.h Wed Feb 24 01:58:40 2016 (r295950) +++ stable/10/sys/sys/jail.h Wed Feb 24 02:34:11 2016 (r295951) @@ -232,7 +232,9 @@ struct prison_racct { #define PR_ALLOW_MOUNT_PROCFS 0x0400 #define PR_ALLOW_MOUNT_TMPFS 0x0800 #define PR_ALLOW_MOUNT_FDESCFS 0x1000 -#define PR_ALLOW_ALL 0x1fff +#define PR_ALLOW_MOUNT_LINPROCFS 0x2000 +#define PR_ALLOW_MOUNT_LINSYSFS 0x4000 +#define PR_ALLOW_ALL 0x7fff /* * OSD methods Modified: stable/10/usr.sbin/jail/jail.8 ============================================================================== --- stable/10/usr.sbin/jail/jail.8 Wed Feb 24 01:58:40 2016 (r295950) +++ stable/10/usr.sbin/jail/jail.8 Wed Feb 24 02:34:11 2016 (r295951) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 25, 2015 +.Dd July 6, 2015 .Dt JAIL 8 .Os .Sh NAME @@ -563,6 +563,22 @@ This permission is effective only togeth and only when .Va enforce_statfs is set to a value lower than 2. +.It Va allow.mount.linprocfs +privileged users inside the jail will be able to mount and unmount the +linprocfs file system. +This permission is effective only together with +.Va allow.mount +and only when +.Va enforce_statfs +is set to a value lower than 2. +.It Va allow.mount.linsysfs +privileged users inside the jail will be able to mount and unmount the +linsysfs file system. +This permission is effective only together with +.Va allow.mount +and only when +.Va enforce_statfs +is set to a value lower than 2. .It Va allow.mount.tmpfs privileged users inside the jail will be able to mount and unmount the tmpfs file system. @@ -1210,6 +1226,8 @@ environment of the first jail. .Xr fdescfs 5 , .Xr jail.conf 5 , .Xr procfs 5 , +.Xr linprocfs 5 , +.Xr linsysfs 5 , .Xr rc.conf 5 , .Xr sysctl.conf 5 , .Xr chroot 8 ,
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