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      1 /*	$NetBSD: netbsd32_compat_09.c,v 1.20 2021/01/19 03:20:13 simonb Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_09.c,v 1.20 2021/01/19 03:20:13 simonb Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/module.h>
     35 #include <sys/mount.h>
     36 #include <sys/syscallvar.h>
     37 #include <sys/syscallargs.h>
     38 
     39 #include <sys/time.h>
     40 #include <uvm/uvm_extern.h>
     41 #include <sys/sysctl.h>
     42 
     43 #include <compat/sys/siginfo.h>
     44 
     45 #include <compat/netbsd32/netbsd32.h>
     46 #include <compat/netbsd32/netbsd32_syscall.h>
     47 #include <compat/netbsd32/netbsd32_syscallargs.h>
     48 
     49 int
     50 compat_09_netbsd32_ogetdomainname(struct lwp *l, const struct compat_09_netbsd32_ogetdomainname_args *uap, register_t *retval)
     51 {
     52 	/* {
     53 		syscallarg(netbsd32_charp) domainname;
     54 		syscallarg(int) len;
     55 	} */
     56 	int name[2];
     57 	size_t sz;
     58 
     59 	name[0] = CTL_KERN;
     60 	name[1] = KERN_DOMAINNAME;
     61 	sz = SCARG(uap, len);
     62 	return old_sysctl(&name[0], 2,
     63 	    (char *)SCARG_P32(uap, domainname), &sz, 0, 0, l);
     64 }
     65 
     66 int
     67 compat_09_netbsd32_osetdomainname(struct lwp *l, const struct compat_09_netbsd32_osetdomainname_args *uap, register_t *retval)
     68 {
     69 	/* {
     70 		syscallarg(netbsd32_charp) domainname;
     71 		syscallarg(int) len;
     72 	} */
     73 	int name[2];
     74 
     75 	name[0] = CTL_KERN;
     76 	name[1] = KERN_DOMAINNAME;
     77 	return old_sysctl(&name[0], 2, 0, 0,
     78 	    (char *)SCARG_P32(uap, domainname), SCARG(uap, len), l);
     79 }
     80 
     81 int
     82 compat_09_netbsd32_uname(struct lwp *l, const struct compat_09_netbsd32_uname_args *uap, register_t *retval)
     83 {
     84 	/* {
     85 		syscallarg(netbsd32_outsnamep_t) name;
     86 	} */
     87 	struct compat_09_sys_uname_args ua;
     88 
     89 	NETBSD32TOP_UAP(name, struct outsname);
     90 	return compat_09_sys_uname(l, &ua, retval);
     91 }
     92 
     93 static struct syscall_package compat_netbsd32_09_syscalls[] = {
     94         { NETBSD32_SYS_compat_09_netbsd32_ogetdomainname, 0,
     95             (sy_call_t *)compat_09_netbsd32_ogetdomainname },
     96         { NETBSD32_SYS_compat_09_netbsd32_osetdomainname, 0,
     97             (sy_call_t *)compat_09_netbsd32_osetdomainname },
     98         { NETBSD32_SYS_compat_09_netbsd32_uname, 0,
     99 	    (sy_call_t *)compat_09_netbsd32_uname },
    100         { 0, 0, NULL }
    101 };
    102 
    103 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_09, "compat_netbsd32_12,compat_09");
    104 
    105 static int
    106 compat_netbsd32_09_modcmd(modcmd_t cmd, void *arg)
    107 {
    108 
    109 	switch (cmd) {
    110 	case MODULE_CMD_INIT:
    111 		return syscall_establish(&emul_netbsd32,
    112 		    compat_netbsd32_09_syscalls);
    113 
    114 	case MODULE_CMD_FINI:
    115 		return syscall_disestablish(&emul_netbsd32,
    116 		    compat_netbsd32_09_syscalls);
    117 
    118 	default:
    119 		return ENOTTY;
    120 	}
    121 }
    122