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Annotation of sys/compat/common/kern_info_09.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: kern_info_09.c,v 1.12 2004/06/22 23:52:17 jfb Exp $   */
        !             2: /*     $NetBSD: kern_info_09.c,v 1.5 1996/02/21 00:10:59 cgd Exp $     */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1982, 1986, 1991, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  *     @(#)subr_xxx.c  8.1 (Berkeley) 6/10/93
        !            33:  */
        !            34:
        !            35: #include <sys/param.h>
        !            36: #include <sys/systm.h>
        !            37: #include <sys/filedesc.h>
        !            38: #include <sys/kernel.h>
        !            39: #include <sys/proc.h>
        !            40: #include <sys/syslog.h>
        !            41: #include <sys/unistd.h>
        !            42: #include <uvm/uvm_extern.h>
        !            43: #include <sys/sysctl.h>
        !            44:
        !            45: #include <sys/mount.h>
        !            46: #include <sys/syscallargs.h>
        !            47:
        !            48: /*
        !            49:  * Note that while we no longer have a COMPAT_09 kernel option,
        !            50:  * there are other COMPAT_* options that need these old functions.
        !            51:  */
        !            52:
        !            53: /* ARGSUSED */
        !            54: int
        !            55: compat_09_sys_getdomainname(p, v, retval)
        !            56:        struct proc *p;
        !            57:        void *v;
        !            58:        register_t *retval;
        !            59: {
        !            60:        struct compat_09_sys_getdomainname_args /* {
        !            61:                syscallarg(char *) domainname;
        !            62:                syscallarg(int) len;
        !            63:        } */ *uap = v;
        !            64:        int name;
        !            65:        size_t sz;
        !            66:
        !            67:        name = KERN_DOMAINNAME;
        !            68:        sz = SCARG(uap,len);
        !            69:        return (kern_sysctl(&name, 1, SCARG(uap, domainname), &sz, 0, 0, p));
        !            70: }
        !            71:
        !            72:
        !            73: /* ARGSUSED */
        !            74: int
        !            75: compat_09_sys_setdomainname(p, v, retval)
        !            76:        struct proc *p;
        !            77:        void *v;
        !            78:        register_t *retval;
        !            79: {
        !            80:        struct compat_09_sys_setdomainname_args /* {
        !            81:                syscallarg(char *) domainname;
        !            82:                syscallarg(int) len;
        !            83:        } */ *uap = v;
        !            84:        int name;
        !            85:        int error;
        !            86:
        !            87:        if ((error = suser(p, 0)) != 0)
        !            88:                return (error);
        !            89:        name = KERN_DOMAINNAME;
        !            90:        return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, domainname),
        !            91:                            SCARG(uap, len), p));
        !            92: }
        !            93:
        !            94: struct outsname {
        !            95:        char    sysname[32];
        !            96:        char    nodename[32];
        !            97:        char    release[32];
        !            98:        char    version[32];
        !            99:        char    machine[32];
        !           100: };
        !           101:
        !           102: /* ARGSUSED */
        !           103: int
        !           104: compat_09_sys_uname(p, v, retval)
        !           105:        struct proc *p;
        !           106:        void *v;
        !           107:        register_t *retval;
        !           108: {
        !           109:        struct compat_09_sys_uname_args /* {
        !           110:                syscallarg(struct outsname *) name;
        !           111:        } */ *uap = v;
        !           112:        struct outsname outsname;
        !           113:        const char *cp;
        !           114:        char *dp, *ep;
        !           115:
        !           116:        strlcpy(outsname.sysname, ostype, sizeof(outsname.sysname));
        !           117:        strlcpy(outsname.nodename, hostname, sizeof(outsname.nodename));
        !           118:        strlcpy(outsname.release, osrelease, sizeof(outsname.release));
        !           119:        dp = outsname.version;
        !           120:        ep = &outsname.version[sizeof(outsname.version) - 1];
        !           121:        for (cp = version; *cp && *cp != '('; cp++)
        !           122:                ;
        !           123:        for (cp++; *cp && *cp != ')' && dp < ep; cp++)
        !           124:                *dp++ = *cp;
        !           125:        for (; *cp && *cp != '#'; cp++)
        !           126:                ;
        !           127:        for (; *cp && *cp != ':' && dp < ep; cp++)
        !           128:                *dp++ = *cp;
        !           129:        *dp = '\0';
        !           130:        strlcpy(outsname.machine, MACHINE, sizeof(outsname.machine));
        !           131:
        !           132:        return (copyout((caddr_t)&outsname, (caddr_t)SCARG(uap, name),
        !           133:                        sizeof(struct outsname)));
        !           134: }