1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All rights reserved. */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/param.h> 33*0Sstevel@tonic-gate #include <sys/types.h> 34*0Sstevel@tonic-gate #include <sys/sysmacros.h> 35*0Sstevel@tonic-gate #include <sys/systm.h> 36*0Sstevel@tonic-gate #include <sys/tuneable.h> 37*0Sstevel@tonic-gate #include <sys/errno.h> 38*0Sstevel@tonic-gate #include <sys/cred.h> 39*0Sstevel@tonic-gate #include <sys/utsname.h> 40*0Sstevel@tonic-gate #include <sys/systeminfo.h> 41*0Sstevel@tonic-gate #include <sys/unistd.h> 42*0Sstevel@tonic-gate #include <sys/debug.h> 43*0Sstevel@tonic-gate #include <sys/bootconf.h> 44*0Sstevel@tonic-gate #include <sys/socket.h> 45*0Sstevel@tonic-gate #include <sys/policy.h> 46*0Sstevel@tonic-gate #include <net/if.h> 47*0Sstevel@tonic-gate #include <sys/sunddi.h> 48*0Sstevel@tonic-gate #include <sys/promif.h> 49*0Sstevel@tonic-gate #include <sys/zone.h> 50*0Sstevel@tonic-gate #include <sys/model.h> 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate static void get_netif_name(char *, char *); 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate long 55*0Sstevel@tonic-gate systeminfo(int command, char *buf, long count) 56*0Sstevel@tonic-gate { 57*0Sstevel@tonic-gate int error = 0; 58*0Sstevel@tonic-gate long strcnt, getcnt; 59*0Sstevel@tonic-gate char *kstr; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate if (count < 0 && command != SI_SET_HOSTNAME && 62*0Sstevel@tonic-gate command != SI_SET_SRPC_DOMAIN) 63*0Sstevel@tonic-gate return (set_errno(EINVAL)); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate /* 66*0Sstevel@tonic-gate * Deal with the common "get a string" case first. 67*0Sstevel@tonic-gate */ 68*0Sstevel@tonic-gate switch (command) { 69*0Sstevel@tonic-gate case SI_SYSNAME: 70*0Sstevel@tonic-gate kstr = utsname.sysname; 71*0Sstevel@tonic-gate break; 72*0Sstevel@tonic-gate case SI_HOSTNAME: 73*0Sstevel@tonic-gate kstr = uts_nodename(); 74*0Sstevel@tonic-gate break; 75*0Sstevel@tonic-gate case SI_RELEASE: 76*0Sstevel@tonic-gate kstr = utsname.release; 77*0Sstevel@tonic-gate break; 78*0Sstevel@tonic-gate case SI_VERSION: 79*0Sstevel@tonic-gate kstr = utsname.version; 80*0Sstevel@tonic-gate break; 81*0Sstevel@tonic-gate case SI_MACHINE: 82*0Sstevel@tonic-gate kstr = utsname.machine; 83*0Sstevel@tonic-gate break; 84*0Sstevel@tonic-gate #ifdef _LP64 85*0Sstevel@tonic-gate case SI_ARCHITECTURE_64: 86*0Sstevel@tonic-gate case SI_ARCHITECTURE_K: 87*0Sstevel@tonic-gate kstr = architecture; 88*0Sstevel@tonic-gate break; 89*0Sstevel@tonic-gate case SI_ARCHITECTURE_32: 90*0Sstevel@tonic-gate case SI_ARCHITECTURE: 91*0Sstevel@tonic-gate kstr = architecture_32; 92*0Sstevel@tonic-gate break; 93*0Sstevel@tonic-gate case SI_ARCHITECTURE_NATIVE: 94*0Sstevel@tonic-gate kstr = get_udatamodel() == DATAMODEL_NATIVE ? 95*0Sstevel@tonic-gate architecture : architecture_32; 96*0Sstevel@tonic-gate break; 97*0Sstevel@tonic-gate #else 98*0Sstevel@tonic-gate case SI_ARCHITECTURE_K: 99*0Sstevel@tonic-gate case SI_ARCHITECTURE_32: 100*0Sstevel@tonic-gate case SI_ARCHITECTURE: 101*0Sstevel@tonic-gate case SI_ARCHITECTURE_NATIVE: 102*0Sstevel@tonic-gate kstr = architecture; 103*0Sstevel@tonic-gate break; 104*0Sstevel@tonic-gate #endif 105*0Sstevel@tonic-gate case SI_HW_SERIAL: 106*0Sstevel@tonic-gate kstr = hw_serial; 107*0Sstevel@tonic-gate break; 108*0Sstevel@tonic-gate case SI_HW_PROVIDER: 109*0Sstevel@tonic-gate kstr = hw_provider; 110*0Sstevel@tonic-gate break; 111*0Sstevel@tonic-gate case SI_SRPC_DOMAIN: 112*0Sstevel@tonic-gate kstr = curproc->p_zone->zone_domain; 113*0Sstevel@tonic-gate break; 114*0Sstevel@tonic-gate case SI_PLATFORM: 115*0Sstevel@tonic-gate kstr = platform; 116*0Sstevel@tonic-gate break; 117*0Sstevel@tonic-gate case SI_ISALIST: 118*0Sstevel@tonic-gate kstr = isa_list; 119*0Sstevel@tonic-gate break; 120*0Sstevel@tonic-gate default: 121*0Sstevel@tonic-gate kstr = NULL; 122*0Sstevel@tonic-gate break; 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate if (kstr != NULL) { 126*0Sstevel@tonic-gate if ((strcnt = strlen(kstr)) >= count) { 127*0Sstevel@tonic-gate getcnt = count - 1; 128*0Sstevel@tonic-gate if (subyte(buf + count - 1, 0) < 0) 129*0Sstevel@tonic-gate return (set_errno(EFAULT)); 130*0Sstevel@tonic-gate } else 131*0Sstevel@tonic-gate getcnt = strcnt + 1; 132*0Sstevel@tonic-gate if (copyout(kstr, buf, getcnt)) 133*0Sstevel@tonic-gate return (set_errno(EFAULT)); 134*0Sstevel@tonic-gate return (strcnt + 1); 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate switch (command) { 138*0Sstevel@tonic-gate case SI_DHCP_CACHE: 139*0Sstevel@tonic-gate { 140*0Sstevel@tonic-gate char *tmp; 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate if (dhcack == NULL) { 143*0Sstevel@tonic-gate tmp = ""; 144*0Sstevel@tonic-gate strcnt = 0; 145*0Sstevel@tonic-gate } else { 146*0Sstevel@tonic-gate /* 147*0Sstevel@tonic-gate * If the interface name has not yet been resolved 148*0Sstevel@tonic-gate * (first IFNAMSIZ bytes of dhcack[]) and a valid 149*0Sstevel@tonic-gate * netdev_path[] was stashed by loadrootmodules in 150*0Sstevel@tonic-gate * swapgeneric.c, resolve the interface name now. 151*0Sstevel@tonic-gate */ 152*0Sstevel@tonic-gate if (dhcack[0] == '\0' && 153*0Sstevel@tonic-gate netdev_path != NULL && netdev_path[0] != '\0') { 154*0Sstevel@tonic-gate get_netif_name(netdev_path, dhcack); 155*0Sstevel@tonic-gate } 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate tmp = dhcack; 158*0Sstevel@tonic-gate strcnt = IFNAMSIZ + strlen(&tmp[IFNAMSIZ]); 159*0Sstevel@tonic-gate } 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate getcnt = (strcnt >= count) ? count : strcnt + 1; 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate if (copyout(tmp, buf, getcnt)) { 164*0Sstevel@tonic-gate error = EFAULT; 165*0Sstevel@tonic-gate break; 166*0Sstevel@tonic-gate } 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate if (strcnt >= count && subyte((buf + count - 1), 0) < 0) { 169*0Sstevel@tonic-gate error = EFAULT; 170*0Sstevel@tonic-gate break; 171*0Sstevel@tonic-gate } 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate return (strcnt + 1); 174*0Sstevel@tonic-gate } 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate case SI_SET_HOSTNAME: 177*0Sstevel@tonic-gate { 178*0Sstevel@tonic-gate size_t len; 179*0Sstevel@tonic-gate char name[SYS_NMLN]; 180*0Sstevel@tonic-gate char *name_to_use; 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate if ((error = secpolicy_systeminfo(CRED())) != 0) 183*0Sstevel@tonic-gate break; 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate name_to_use = uts_nodename(); 186*0Sstevel@tonic-gate if ((error = copyinstr(buf, name, SYS_NMLN, &len)) != 0) 187*0Sstevel@tonic-gate break; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate /* 190*0Sstevel@tonic-gate * Must be non-NULL string and string 191*0Sstevel@tonic-gate * must be less than SYS_NMLN chars. 192*0Sstevel@tonic-gate */ 193*0Sstevel@tonic-gate if (len < 2 || (len == SYS_NMLN && name[SYS_NMLN-1] != '\0')) { 194*0Sstevel@tonic-gate error = EINVAL; 195*0Sstevel@tonic-gate break; 196*0Sstevel@tonic-gate } 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate /* 199*0Sstevel@tonic-gate * Copy the name into the relevant zone's nodename. 200*0Sstevel@tonic-gate */ 201*0Sstevel@tonic-gate (void) strcpy(name_to_use, name); 202*0Sstevel@tonic-gate 203*0Sstevel@tonic-gate /* 204*0Sstevel@tonic-gate * Notify other interested parties that the nodename was set 205*0Sstevel@tonic-gate */ 206*0Sstevel@tonic-gate if (name_to_use == utsname.nodename) /* global zone nodename */ 207*0Sstevel@tonic-gate nodename_set(); 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate return (len); 210*0Sstevel@tonic-gate } 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate case SI_SET_SRPC_DOMAIN: 213*0Sstevel@tonic-gate { 214*0Sstevel@tonic-gate char name[SYS_NMLN]; 215*0Sstevel@tonic-gate size_t len; 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate if ((error = secpolicy_systeminfo(CRED())) != 0) 218*0Sstevel@tonic-gate break; 219*0Sstevel@tonic-gate if ((error = copyinstr(buf, name, SYS_NMLN, &len)) != 0) 220*0Sstevel@tonic-gate break; 221*0Sstevel@tonic-gate /* 222*0Sstevel@tonic-gate * If string passed in is longer than length 223*0Sstevel@tonic-gate * allowed for domain name, fail. 224*0Sstevel@tonic-gate */ 225*0Sstevel@tonic-gate if (len == SYS_NMLN && name[SYS_NMLN-1] != '\0') { 226*0Sstevel@tonic-gate error = EINVAL; 227*0Sstevel@tonic-gate break; 228*0Sstevel@tonic-gate } 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate (void) strcpy(curproc->p_zone->zone_domain, name); 231*0Sstevel@tonic-gate return (len); 232*0Sstevel@tonic-gate } 233*0Sstevel@tonic-gate 234*0Sstevel@tonic-gate default: 235*0Sstevel@tonic-gate error = EINVAL; 236*0Sstevel@tonic-gate break; 237*0Sstevel@tonic-gate } 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate return (set_errno(error)); 240*0Sstevel@tonic-gate } 241*0Sstevel@tonic-gate 242*0Sstevel@tonic-gate /* 243*0Sstevel@tonic-gate * i_path_find_node: Internal routine used by path_to_devinfo 244*0Sstevel@tonic-gate * to locate a given nodeid in the device tree. 245*0Sstevel@tonic-gate */ 246*0Sstevel@tonic-gate struct i_path_findnode { 247*0Sstevel@tonic-gate dnode_t nodeid; 248*0Sstevel@tonic-gate dev_info_t *dip; 249*0Sstevel@tonic-gate }; 250*0Sstevel@tonic-gate 251*0Sstevel@tonic-gate static int 252*0Sstevel@tonic-gate i_path_find_node(dev_info_t *dev, void *arg) 253*0Sstevel@tonic-gate { 254*0Sstevel@tonic-gate struct i_path_findnode *f = (struct i_path_findnode *)arg; 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate 257*0Sstevel@tonic-gate if (ddi_get_nodeid(dev) == (int)f->nodeid) { 258*0Sstevel@tonic-gate f->dip = dev; 259*0Sstevel@tonic-gate return (DDI_WALK_TERMINATE); 260*0Sstevel@tonic-gate } 261*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 262*0Sstevel@tonic-gate } 263*0Sstevel@tonic-gate 264*0Sstevel@tonic-gate /* 265*0Sstevel@tonic-gate * Return the devinfo node to a boot device 266*0Sstevel@tonic-gate */ 267*0Sstevel@tonic-gate static dev_info_t * 268*0Sstevel@tonic-gate path_to_devinfo(char *path) 269*0Sstevel@tonic-gate { 270*0Sstevel@tonic-gate struct i_path_findnode fn; 271*0Sstevel@tonic-gate extern dev_info_t *top_devinfo; 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate /* 274*0Sstevel@tonic-gate * Get the nodeid of the given pathname, if such a mapping exists. 275*0Sstevel@tonic-gate */ 276*0Sstevel@tonic-gate fn.dip = NULL; 277*0Sstevel@tonic-gate fn.nodeid = prom_finddevice(path); 278*0Sstevel@tonic-gate if (fn.nodeid != OBP_BADNODE) { 279*0Sstevel@tonic-gate /* 280*0Sstevel@tonic-gate * Find the nodeid in our copy of the device tree and return 281*0Sstevel@tonic-gate * whatever name we used to bind this node to a driver. 282*0Sstevel@tonic-gate */ 283*0Sstevel@tonic-gate ddi_walk_devs(top_devinfo, i_path_find_node, (void *)(&fn)); 284*0Sstevel@tonic-gate } 285*0Sstevel@tonic-gate 286*0Sstevel@tonic-gate return (fn.dip); 287*0Sstevel@tonic-gate } 288*0Sstevel@tonic-gate 289*0Sstevel@tonic-gate /* 290*0Sstevel@tonic-gate * Determine the network interface name from the device path argument. 291*0Sstevel@tonic-gate */ 292*0Sstevel@tonic-gate static void 293*0Sstevel@tonic-gate get_netif_name(char *devname, char *ifname) 294*0Sstevel@tonic-gate { 295*0Sstevel@tonic-gate dev_info_t *dip; 296*0Sstevel@tonic-gate major_t ndev; 297*0Sstevel@tonic-gate char *name; 298*0Sstevel@tonic-gate int unit; 299*0Sstevel@tonic-gate 300*0Sstevel@tonic-gate dip = path_to_devinfo(devname); 301*0Sstevel@tonic-gate if (dip == NULL) { 302*0Sstevel@tonic-gate cmn_err(CE_WARN, "get_netif_name: " 303*0Sstevel@tonic-gate "can't bind driver for '%s'\n", devname); 304*0Sstevel@tonic-gate return; 305*0Sstevel@tonic-gate } 306*0Sstevel@tonic-gate 307*0Sstevel@tonic-gate ndev = ddi_driver_major(dip); 308*0Sstevel@tonic-gate if (ndev == -1) { 309*0Sstevel@tonic-gate cmn_err(CE_WARN, "get_netif_name: " 310*0Sstevel@tonic-gate "no driver bound to '%s'\n", devname); 311*0Sstevel@tonic-gate return; 312*0Sstevel@tonic-gate } 313*0Sstevel@tonic-gate 314*0Sstevel@tonic-gate name = ddi_major_to_name(ndev); 315*0Sstevel@tonic-gate if (name == NULL) { 316*0Sstevel@tonic-gate cmn_err(CE_WARN, "get_netif_name: " 317*0Sstevel@tonic-gate "no name for major number %d\n", ndev); 318*0Sstevel@tonic-gate return; 319*0Sstevel@tonic-gate } 320*0Sstevel@tonic-gate 321*0Sstevel@tonic-gate unit = i_ddi_devi_get_ppa(dip); 322*0Sstevel@tonic-gate if (unit < 0) { 323*0Sstevel@tonic-gate cmn_err(CE_WARN, "get_netif_name: " 324*0Sstevel@tonic-gate "illegal unit number %d\n", unit); 325*0Sstevel@tonic-gate return; 326*0Sstevel@tonic-gate } 327*0Sstevel@tonic-gate 328*0Sstevel@tonic-gate (void) snprintf(ifname, IFNAMSIZ, "%s%d", name, unit); 329*0Sstevel@tonic-gate } 330