rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-10-14 21:34:25 +08:00
Code Issues Packages Projects Releases Wiki Activity

Support sethostname() and gethostname()

Browse Source
This commit is contained in:
Sebastian Huber
2014-10-24 09:46:53 +02:00
parent feffbc2894
commit 54ed53794b
5 changed files with 96 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
freebsd/sys/kern/kern_mib.c
View File

@@ -269,6 +269,7 @@ sysctl_hw_machine_arch(SYSCTL_HANDLER_ARGS)
}
SYSCTL_PROC(_hw, HW_MACHINE_ARCH, machine_arch, CTLTYPE_STRING | CTLFLAG_RD,
NULL, 0, sysctl_hw_machine_arch, "A", "System architecture");
#endif /* __rtems__ */
static int
sysctl_hostname(SYSCTL_HANDLER_ARGS)
@@ -287,7 +288,11 @@ sysctl_hostname(SYSCTL_HANDLER_ARGS)
KASSERT(len <= sizeof(tmpname),
("length %d too long for %s", len, __func__));
#ifndef __rtems__
pr = req->td->td_ucred->cr_prison;
#else /* __rtems__ */
pr = &prison0;
#endif /* __rtems__ */
if (!(pr->pr_allow & PR_ALLOW_SET_HOSTNAME) && req->newptr)
return (EPERM);
/*
@@ -305,18 +310,27 @@ sysctl_hostname(SYSCTL_HANDLER_ARGS)
* Copy the locally set hostname to all jails that share
* this host info.
*/
#ifndef __rtems__
sx_slock(&allprison_lock);
while (!(pr->pr_flags & PR_HOST))
pr = pr->pr_parent;
#endif /* __rtems__ */
mtx_lock(&pr->pr_mtx);
bcopy(tmpname, (char *)pr + pr_offset, len);
#ifndef __rtems__
FOREACH_PRISON_DESCENDANT_LOCKED(pr, cpr, descend)
if (cpr->pr_flags & PR_HOST)
descend = 0;
else
bcopy(tmpname, (char *)cpr + pr_offset, len);
#else /* __rtems__ */
(void) cpr;
(void) descend;
#endif /* __rtems__ */
mtx_unlock(&pr->pr_mtx);
#ifndef __rtems__
sx_sunlock(&allprison_lock);
#endif /* __rtems__ */
}
return (error);
}
@@ -334,6 +348,7 @@ SYSCTL_PROC(_kern, KERN_HOSTUUID, hostuuid,
(void *)(offsetof(struct prison, pr_hostuuid)), HOSTUUIDLEN,
sysctl_hostname, "A", "Host UUID");
#ifndef __rtems__
static int regression_securelevel_nonmonotonic = 0;
#ifdef REGRESSION