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Annotation of sys/compat/common/kern_info_09.c, Revision 1.1.1.1

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: }