dc15eac046
It seems strchr() and strrchr() are used more often than index() and rindex(). Therefore, simply migrate all kernel code to use it. For the XFS code, remove an empty line to make the code identical to the code in the Linux kernel.
211 lines
6.0 KiB
C
211 lines
6.0 KiB
C
/*-
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* Copyright (c) 1994, 1995 Scott Bartram
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* Copyright (c) 1994 Arne H Juul
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysproto.h>
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#include <sys/jail.h>
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <i386/ibcs2/ibcs2_socksys.h>
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#include <i386/ibcs2/ibcs2_util.h>
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/* Local structures */
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struct getipdomainname_args {
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char *ipdomainname;
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int len;
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};
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struct setipdomainname_args {
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char *ipdomainname;
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int len;
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};
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/* Local prototypes */
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static int ibcs2_getipdomainname(struct thread *,
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struct getipdomainname_args *);
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static int ibcs2_setipdomainname(struct thread *,
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struct setipdomainname_args *);
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/*
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* iBCS2 socksys calls.
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*/
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int
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ibcs2_socksys(td, uap)
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register struct thread *td;
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register struct ibcs2_socksys_args *uap;
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{
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int error;
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int realargs[7]; /* 1 for command, 6 for recvfrom */
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void *passargs;
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/*
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* SOCKET should only be legal on /dev/socksys.
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* GETIPDOMAINNAME should only be legal on /dev/socksys ?
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* The others are (and should be) only legal on sockets.
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*/
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if ((error = copyin(uap->argsp, (caddr_t)realargs, sizeof(realargs))) != 0)
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return error;
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DPRINTF(("ibcs2_socksys: %08x %08x %08x %08x %08x %08x %08x\n",
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realargs[0], realargs[1], realargs[2], realargs[3],
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realargs[4], realargs[5], realargs[6]));
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passargs = (void *)(realargs + 1);
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switch (realargs[0]) {
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case SOCKSYS_ACCEPT:
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return sys_accept(td, passargs);
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case SOCKSYS_BIND:
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return sys_bind(td, passargs);
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case SOCKSYS_CONNECT:
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return sys_connect(td, passargs);
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case SOCKSYS_GETPEERNAME:
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return sys_getpeername(td, passargs);
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case SOCKSYS_GETSOCKNAME:
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return sys_getsockname(td, passargs);
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case SOCKSYS_GETSOCKOPT:
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return sys_getsockopt(td, passargs);
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case SOCKSYS_LISTEN:
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return sys_listen(td, passargs);
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case SOCKSYS_RECV:
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realargs[5] = realargs[6] = 0;
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/* FALLTHROUGH */
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case SOCKSYS_RECVFROM:
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return sys_recvfrom(td, passargs);
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case SOCKSYS_SEND:
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realargs[5] = realargs[6] = 0;
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/* FALLTHROUGH */
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case SOCKSYS_SENDTO:
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return sys_sendto(td, passargs);
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case SOCKSYS_SETSOCKOPT:
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return sys_setsockopt(td, passargs);
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case SOCKSYS_SHUTDOWN:
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return sys_shutdown(td, passargs);
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case SOCKSYS_SOCKET:
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return sys_socket(td, passargs);
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case SOCKSYS_SELECT:
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return sys_select(td, passargs);
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case SOCKSYS_GETIPDOMAIN:
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return ibcs2_getipdomainname(td, passargs);
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case SOCKSYS_SETIPDOMAIN:
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return ibcs2_setipdomainname(td, passargs);
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case SOCKSYS_ADJTIME:
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return sys_adjtime(td, passargs);
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case SOCKSYS_SETREUID:
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return sys_setreuid(td, passargs);
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case SOCKSYS_SETREGID:
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return sys_setregid(td, passargs);
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case SOCKSYS_GETTIME:
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return sys_gettimeofday(td, passargs);
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case SOCKSYS_SETTIME:
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return sys_settimeofday(td, passargs);
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case SOCKSYS_GETITIMER:
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return sys_getitimer(td, passargs);
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case SOCKSYS_SETITIMER:
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return sys_setitimer(td, passargs);
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default:
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printf("socksys unknown %08x %08x %08x %08x %08x %08x %08x\n",
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realargs[0], realargs[1], realargs[2], realargs[3],
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realargs[4], realargs[5], realargs[6]);
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return EINVAL;
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}
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/* NOTREACHED */
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}
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/* ARGSUSED */
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static int
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ibcs2_getipdomainname(td, uap)
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struct thread *td;
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struct getipdomainname_args *uap;
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{
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char hname[MAXHOSTNAMELEN], *dptr;
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int len;
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/* Get the domain name. */
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getcredhostname(td->td_ucred, hname, sizeof(hname));
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dptr = strchr(hname, '.');
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if ( dptr )
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dptr++;
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else
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/* Make it effectively an empty string */
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dptr = hname + strlen(hname);
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len = strlen(dptr) + 1;
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if ((u_int)uap->len > len + 1)
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uap->len = len + 1;
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return (copyout((caddr_t)dptr, (caddr_t)uap->ipdomainname, uap->len));
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}
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/* ARGSUSED */
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static int
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ibcs2_setipdomainname(td, uap)
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struct thread *td;
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struct setipdomainname_args *uap;
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{
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char hname[MAXHOSTNAMELEN], *ptr;
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int error, sctl[2], hlen;
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/* Get the domain name */
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getcredhostname(td->td_ucred, hname, sizeof(hname));
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/* W/out a hostname a domain-name is nonsense */
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if ( strlen(hname) == 0 )
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return EINVAL;
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/* Get the host's unqualified name (strip off the domain) */
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ptr = strchr(hname, '.');
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if ( ptr != NULL ) {
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ptr++;
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*ptr = '\0';
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} else {
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if (strlcat(hname, ".", sizeof(hname)) >= sizeof(hname))
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return (EINVAL);
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}
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/* Set ptr to the end of the string so we can append to it */
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hlen = strlen(hname);
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ptr = hname + hlen;
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if ((u_int)uap->len > (sizeof (hname) - hlen - 1))
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return EINVAL;
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/* Append the ipdomain to the end */
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error = copyinstr((caddr_t)uap->ipdomainname, ptr, uap->len, NULL);
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if (error)
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return (error);
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/* 'sethostname' with the new information */
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sctl[0] = CTL_KERN;
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sctl[1] = KERN_HOSTNAME;
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hlen = strlen(hname) + 1;
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return (kernel_sysctl(td, sctl, 2, 0, 0, hname, hlen, 0, 0));
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}
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