15002a60fSMarcel Moolenaar /*- 25002a60fSMarcel Moolenaar * Copyright (c) 2001 Marcel Moolenaar 35002a60fSMarcel Moolenaar * All rights reserved. 45002a60fSMarcel Moolenaar * 55002a60fSMarcel Moolenaar * Redistribution and use in source and binary forms, with or without 65002a60fSMarcel Moolenaar * modification, are permitted provided that the following conditions 75002a60fSMarcel Moolenaar * are met: 85002a60fSMarcel Moolenaar * 1. Redistributions of source code must retain the above copyright 95002a60fSMarcel Moolenaar * notice, this list of conditions and the following disclaimer 105002a60fSMarcel Moolenaar * in this position and unchanged. 115002a60fSMarcel Moolenaar * 2. Redistributions in binary form must reproduce the above copyright 125002a60fSMarcel Moolenaar * notice, this list of conditions and the following disclaimer in the 135002a60fSMarcel Moolenaar * documentation and/or other materials provided with the distribution. 145002a60fSMarcel Moolenaar * 3. The name of the author may not be used to endorse or promote products 155002a60fSMarcel Moolenaar * derived from this software without specific prior written permission. 165002a60fSMarcel Moolenaar * 175002a60fSMarcel Moolenaar * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 185002a60fSMarcel Moolenaar * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 195002a60fSMarcel Moolenaar * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 205002a60fSMarcel Moolenaar * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 215002a60fSMarcel Moolenaar * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 225002a60fSMarcel Moolenaar * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235002a60fSMarcel Moolenaar * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245002a60fSMarcel Moolenaar * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255002a60fSMarcel Moolenaar * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 265002a60fSMarcel Moolenaar * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275002a60fSMarcel Moolenaar * 285002a60fSMarcel Moolenaar * $FreeBSD$ 295002a60fSMarcel Moolenaar */ 305002a60fSMarcel Moolenaar 315002a60fSMarcel Moolenaar #include <sys/param.h> 32d7f94a7aSJonathan Mini #include <sys/lock.h> 3385422e62SBruce Evans #include <sys/malloc.h> 34d7f94a7aSJonathan Mini #include <sys/mutex.h> 35d7f94a7aSJonathan Mini #include <sys/proc.h> 36d7f94a7aSJonathan Mini #include <sys/sysctl.h> 375002a60fSMarcel Moolenaar #include <sys/systm.h> 38*e15583ceSAlfred Perlstein #include <sys/sbuf.h> 395002a60fSMarcel Moolenaar 405002a60fSMarcel Moolenaar #include <machine/../linux/linux.h> 415002a60fSMarcel Moolenaar #include <machine/../linux/linux_proto.h> 425002a60fSMarcel Moolenaar 43*e15583ceSAlfred Perlstein #include <compat/linux/linux_util.h> 44*e15583ceSAlfred Perlstein 455002a60fSMarcel Moolenaar #define LINUX_CTL_KERN 1 465002a60fSMarcel Moolenaar #define LINUX_CTL_VM 2 475002a60fSMarcel Moolenaar #define LINUX_CTL_NET 3 485002a60fSMarcel Moolenaar #define LINUX_CTL_PROC 4 495002a60fSMarcel Moolenaar #define LINUX_CTL_FS 5 505002a60fSMarcel Moolenaar #define LINUX_CTL_DEBUG 6 515002a60fSMarcel Moolenaar #define LINUX_CTL_DEV 7 525002a60fSMarcel Moolenaar #define LINUX_CTL_BUS 8 535002a60fSMarcel Moolenaar 545002a60fSMarcel Moolenaar /* CTL_KERN names */ 555002a60fSMarcel Moolenaar #define LINUX_KERN_OSTYPE 1 565002a60fSMarcel Moolenaar #define LINUX_KERN_OSRELEASE 2 575002a60fSMarcel Moolenaar #define LINUX_KERN_OSREV 3 585002a60fSMarcel Moolenaar #define LINUX_KERN_VERSION 4 595002a60fSMarcel Moolenaar 605002a60fSMarcel Moolenaar static int 615002a60fSMarcel Moolenaar handle_string(struct l___sysctl_args *la, char *value) 625002a60fSMarcel Moolenaar { 635002a60fSMarcel Moolenaar int error; 645002a60fSMarcel Moolenaar 655002a60fSMarcel Moolenaar if (la->oldval != NULL) { 665002a60fSMarcel Moolenaar l_int len = strlen(value); 675002a60fSMarcel Moolenaar error = copyout(value, la->oldval, len + 1); 685002a60fSMarcel Moolenaar if (!error && la->oldlenp != NULL) 695002a60fSMarcel Moolenaar error = copyout(&len, la->oldlenp, sizeof(len)); 705002a60fSMarcel Moolenaar if (error) 715002a60fSMarcel Moolenaar return (error); 725002a60fSMarcel Moolenaar } 735002a60fSMarcel Moolenaar 745002a60fSMarcel Moolenaar if (la->newval != NULL) 755002a60fSMarcel Moolenaar return (ENOTDIR); 765002a60fSMarcel Moolenaar 775002a60fSMarcel Moolenaar return (0); 785002a60fSMarcel Moolenaar } 795002a60fSMarcel Moolenaar 805002a60fSMarcel Moolenaar int 81b40ce416SJulian Elischer linux_sysctl(struct thread *td, struct linux_sysctl_args *args) 825002a60fSMarcel Moolenaar { 835002a60fSMarcel Moolenaar struct l___sysctl_args la; 84*e15583ceSAlfred Perlstein struct sbuf *sb; 855002a60fSMarcel Moolenaar l_int *mib; 865002a60fSMarcel Moolenaar int error, i; 875002a60fSMarcel Moolenaar 885002a60fSMarcel Moolenaar error = copyin((caddr_t)args->args, &la, sizeof(la)); 895002a60fSMarcel Moolenaar if (error) 905002a60fSMarcel Moolenaar return (error); 915002a60fSMarcel Moolenaar 92206a5d3aSIan Dowse if (la.nlen <= 0 || la.nlen > LINUX_CTL_MAXNAME) 935002a60fSMarcel Moolenaar return (ENOTDIR); 945002a60fSMarcel Moolenaar 95206a5d3aSIan Dowse mib = malloc(la.nlen * sizeof(l_int), M_TEMP, M_WAITOK); 965002a60fSMarcel Moolenaar error = copyin(la.name, mib, la.nlen * sizeof(l_int)); 97206a5d3aSIan Dowse if (error) { 98206a5d3aSIan Dowse free(mib, M_TEMP); 995002a60fSMarcel Moolenaar return (error); 100206a5d3aSIan Dowse } 1015002a60fSMarcel Moolenaar 1025002a60fSMarcel Moolenaar switch (mib[0]) { 1035002a60fSMarcel Moolenaar case LINUX_CTL_KERN: 1045002a60fSMarcel Moolenaar if (la.nlen < 2) 1055002a60fSMarcel Moolenaar break; 1065002a60fSMarcel Moolenaar 1075002a60fSMarcel Moolenaar switch (mib[1]) { 1085002a60fSMarcel Moolenaar case LINUX_KERN_VERSION: 109206a5d3aSIan Dowse error = handle_string(&la, version); 110206a5d3aSIan Dowse free(mib, M_TEMP); 111206a5d3aSIan Dowse return (error); 1125002a60fSMarcel Moolenaar default: 1135002a60fSMarcel Moolenaar break; 1145002a60fSMarcel Moolenaar } 1155002a60fSMarcel Moolenaar break; 1165002a60fSMarcel Moolenaar default: 1175002a60fSMarcel Moolenaar break; 1185002a60fSMarcel Moolenaar } 1195002a60fSMarcel Moolenaar 120*e15583ceSAlfred Perlstein sb = sbuf_new(NULL, NULL, 20 + la.nlen * 5, SBUF_AUTOEXTEND); 121*e15583ceSAlfred Perlstein if (sb == NULL) { 122*e15583ceSAlfred Perlstein linux_msg(td, "sysctl is not implemented"); 123*e15583ceSAlfred Perlstein } else { 124*e15583ceSAlfred Perlstein sbuf_printf(sb, "sysctl "); 1255002a60fSMarcel Moolenaar for (i = 0; i < la.nlen; i++) 126*e15583ceSAlfred Perlstein sbuf_printf(sb, "%c%d", (i) ? ',' : '{', mib[i]); 127*e15583ceSAlfred Perlstein sbuf_printf(sb, "} is not implemented"); 128*e15583ceSAlfred Perlstein sbuf_finish(sb); 129*e15583ceSAlfred Perlstein linux_msg(td, "%s", sbuf_data(sb)); 130*e15583ceSAlfred Perlstein sbuf_delete(sb); 131*e15583ceSAlfred Perlstein } 1325002a60fSMarcel Moolenaar 133206a5d3aSIan Dowse free(mib, M_TEMP); 1345002a60fSMarcel Moolenaar return (ENOTDIR); 1355002a60fSMarcel Moolenaar } 136