diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-10-24 09:46:53 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-10-24 09:47:58 +0200 |
commit | 54ed53794b648f1452d1b80d9f01b444dac2ce8c (patch) | |
tree | ed262697abda5688821e578b8647d715c096b2e3 /freebsd | |
parent | Fix mount table location chain corruption (diff) | |
download | rtems-libbsd-54ed53794b648f1452d1b80d9f01b444dac2ce8c.tar.bz2 |
Support sethostname() and gethostname()
Diffstat (limited to 'freebsd')
-rw-r--r-- | freebsd/lib/libc/gen/sethostname.c | 57 | ||||
-rw-r--r-- | freebsd/sys/kern/kern_mib.c | 15 |
2 files changed, 72 insertions, 0 deletions
diff --git a/freebsd/lib/libc/gen/sethostname.c b/freebsd/lib/libc/gen/sethostname.c new file mode 100644 index 00000000..96c07730 --- /dev/null +++ b/freebsd/lib/libc/gen/sethostname.c @@ -0,0 +1,57 @@ +#include <machine/rtems-bsd-user-space.h> + +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)sethostname.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <rtems/bsd/sys/param.h> +#include <sys/sysctl.h> + +#include <unistd.h> + +int +#ifndef __rtems__ +sethostname(const char *name, int namelen) +#else /* __rtems__ */ +sethostname(const char *name, size_t namelen) +#endif /* __rtems__ */ +{ + int mib[2]; + + mib[0] = CTL_KERN; + mib[1] = KERN_HOSTNAME; + if (sysctl(mib, 2, NULL, NULL, (void *)name, namelen) == -1) + return (-1); + return (0); +} diff --git a/freebsd/sys/kern/kern_mib.c b/freebsd/sys/kern/kern_mib.c index 1450f61c..8d19a3b7 100644 --- a/freebsd/sys/kern/kern_mib.c +++ b/freebsd/sys/kern/kern_mib.c @@ -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 |