84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws/*
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * CDDL HEADER START
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * The contents of this file are subject to the terms of the
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier * Common Development and Distribution License (the "License").
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier * You may not use this file except in compliance with the License.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * or http://www.opensolaris.org/os/licensing.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * See the License for the specific language governing permissions
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * and limitations under the License.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * When distributing Covered Code, include this CDDL HEADER in each
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * If applicable, add the following below this CDDL HEADER, with the
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * fields enclosed by brackets "[]" replaced with your own identifying
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * information: Portions Copyright [yyyy] [name of copyright owner]
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * CDDL HEADER END
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws/*
4e901881a1e657e1cbf12d7ef9b476ec373e7939Dale Ghent * Copyright 2015 OmniTI Computer Consulting, Inc. All rights reserved.
6734c4b0468cc77a7871a5dd5c23a5562557d64cRobert Mustacchi * Copyright 2015 Joyent, Inc.
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * Use is subject to license terms.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws#include <sys/smbios_impl.h>
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsstatic const uint_t _smb_hashlen = 64; /* hash length (must be Pof2) */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsstatic const char _smb_emptystr[] = ""; /* empty string to return */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsint _smb_debug = 0; /* default debug mode */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws/*
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * Strip out identification information for you privacy weenies. This is quite
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * simple using our smbios_info_common() abstraction: we just locate any serial
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * numbers and asset tags for each record, and then zero out those strings.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * Then we must handle two special cases: SMB_TYPE_SYSTEM holds a 16-byte UUID
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * and SMB_TYPE_BATTERY stores a Smart Battery Data Spec 16-bit serial number.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * We use a literal '0' rather than '\0' for zeroing strings because \0\0 in
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * the SMBIOS string table has a special meaning (denotes end-of-record).
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsstatic void
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmb_strip(smbios_hdl_t *shp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint_t i;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (i = 0; i < shp->sh_nstructs; i++) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smb_header_t *hp = shp->sh_structs[i].smbst_hdr;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smbios_info_t info;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws char *p;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (hp->smbh_type == SMB_TYPE_SYSTEM &&
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws hp->smbh_len >= offsetof(smb_system_t, smbsi_wakeup)) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_system_t *sp = (smb_system_t *)(uintptr_t)hp;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws bzero(sp->smbsi_uuid, sizeof (sp->smbsi_uuid));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (hp->smbh_type == SMB_TYPE_BATTERY &&
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws hp->smbh_len >= offsetof(smb_battery_t, smbbat_sdate)) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_battery_t *bp = (smb_battery_t *)(uintptr_t)hp;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws bp->smbbat_ssn = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (smbios_info_common(shp, hp->smbh_hdl, &info) != SMB_ERR) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (p = (char *)info.smbi_serial; *p != '\0'; p++)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws *p = '0';
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (p = (char *)info.smbi_asset; *p != '\0'; p++)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws *p = '0';
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_hdl_t *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_bufopen(const smbios_entry_t *ep, const void *buf, size_t len,
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws int version, int flags, int *errp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smbios_hdl_t *shp = smb_zalloc(sizeof (smbios_hdl_t));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smb_header_t *hp, *nhp;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const uchar_t *p, *q, *s;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint_t i, h;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws switch (version) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws case SMB_VERSION_23:
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws case SMB_VERSION_24:
4e901881a1e657e1cbf12d7ef9b476ec373e7939Dale Ghent case SMB_VERSION_25:
4e901881a1e657e1cbf12d7ef9b476ec373e7939Dale Ghent case SMB_VERSION_26:
4e901881a1e657e1cbf12d7ef9b476ec373e7939Dale Ghent case SMB_VERSION_27:
4e901881a1e657e1cbf12d7ef9b476ec373e7939Dale Ghent case SMB_VERSION_28:
6734c4b0468cc77a7871a5dd5c23a5562557d64cRobert Mustacchi case SMB_VERSION_30:
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws break;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws default:
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_VERSION));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (ep == NULL || buf == NULL || len == 0 || (flags & ~SMB_O_MASK))
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_INVAL));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (shp == NULL)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_NOMEM));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (_smb_debug)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_flags |= SMB_FL_DEBUG;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (strncmp(ep->smbe_eanchor, SMB_ENTRY_EANCHOR, SMB_ENTRY_EANCHORLEN))
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_HEADER));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (strncmp(ep->smbe_ianchor, SMB_ENTRY_IANCHOR, SMB_ENTRY_IANCHORLEN))
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_HEADER));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_dprintf(shp, "opening SMBIOS version %u.%u bcdrev 0x%x\n",
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_major, ep->smbe_minor, ep->smbe_bcdrev);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (!(flags & SMB_O_NOVERS)) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (ep->smbe_major > SMB_MAJOR(SMB_VERSION))
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_NEW));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (ep->smbe_major < SMB_MAJOR(SMB_VERSION_23) || (
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_major == SMB_MAJOR(SMB_VERSION_23) &&
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_minor < SMB_MINOR(SMB_VERSION_23)))
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_OLD));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (len < sizeof (smb_header_t) ||
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_stlen < sizeof (smb_header_t) || len < ep->smbe_stlen)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_SHORT));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (!(flags & SMB_O_NOCKSUM)) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint8_t esum = 0, isum = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws q = (uchar_t *)ep;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (p = q; p < q + ep->smbe_elen; p++)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws esum += *p;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (p = (uchar_t *)ep->smbe_ianchor; p < q + sizeof (*ep); p++)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws isum += *p;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (esum != 0 || isum != 0) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_dprintf(shp, "bad cksum: e=%x i=%x\n", esum, isum);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_CKSUM));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
e4586ebf2f01666696316c178da243993b1a0c04mws /*
e4586ebf2f01666696316c178da243993b1a0c04mws * Copy the entry point into our handle. The underlying entry point
e4586ebf2f01666696316c178da243993b1a0c04mws * may be larger than our structure definition, so reset smbe_elen
e4586ebf2f01666696316c178da243993b1a0c04mws * to our internal size and recompute good checksums for our copy.
e4586ebf2f01666696316c178da243993b1a0c04mws */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws bcopy(ep, &shp->sh_ent, sizeof (smbios_entry_t));
e4586ebf2f01666696316c178da243993b1a0c04mws shp->sh_ent.smbe_elen = sizeof (smbios_entry_t);
e4586ebf2f01666696316c178da243993b1a0c04mws smbios_checksum(shp, &shp->sh_ent);
e4586ebf2f01666696316c178da243993b1a0c04mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_buf = buf;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_buflen = len;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_structs = smb_alloc(sizeof (smb_struct_t) * ep->smbe_stnum);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_nstructs = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_hashlen = _smb_hashlen;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_hash = smb_zalloc(sizeof (smb_struct_t *) * shp->sh_hashlen);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_libvers = version;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_smbvers = SMB_MAJMIN(ep->smbe_major, ep->smbe_minor);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (shp->sh_structs == NULL || shp->sh_hash == NULL)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_NOMEM));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws hp = shp->sh_buf;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws q = (const uchar_t *)buf + MIN(ep->smbe_stlen, len);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (i = 0; i < ep->smbe_stnum; i++, hp = nhp) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_struct_t *stp = &shp->sh_structs[i];
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint_t n = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew if ((const uchar_t *)hp + sizeof (smb_header_t) > q) {
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew shp->sh_flags |= SMB_FL_TRUNC;
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew break;
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_dprintf(shp, "struct [%u] type %u len %u hdl %u at %p\n",
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws i, hp->smbh_type, hp->smbh_len, hp->smbh_hdl, (void *)hp);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (hp->smbh_type == SMB_TYPE_EOT)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws break; /* ignore any entries beyond end-of-table */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew if ((const uchar_t *)hp + hp->smbh_len > q - 2) {
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew shp->sh_flags |= SMB_FL_TRUNC;
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew break;
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew }
e4586ebf2f01666696316c178da243993b1a0c04mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws h = hp->smbh_hdl & (shp->sh_hashlen - 1);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws p = s = (const uchar_t *)hp + hp->smbh_len;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws while (p <= q - 2 && (p[0] != '\0' || p[1] != '\0')) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (*p++ == '\0')
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws n++; /* count strings until \0\0 delimiter */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew if (p > q - 2) {
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew shp->sh_flags |= SMB_FL_TRUNC;
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew break;
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (p > s)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws n++; /* add one for final string in string table */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_hdr = hp;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_str = s;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_end = p;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_next = shp->sh_hash[h];
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_strtab = smb_alloc(sizeof (uint16_t) * n);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_strtablen = n;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (n != 0 && stp->smbst_strtab == NULL)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (smb_open_error(shp, errp, ESMB_NOMEM));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_hash[h] = stp;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws nhp = (void *)(p + 2);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws shp->sh_nstructs++;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (n = 0, p = s; n < stp->smbst_strtablen; p++) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (*p == '\0') {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws stp->smbst_strtab[n++] =
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (uint16_t)(s - stp->smbst_str);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws s = p + 1;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew /* error out if we couldn't find any complete entries in the table */
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew if ((shp->sh_flags & SMB_FL_TRUNC) && i == 0)
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew return (smb_open_error(shp, errp, ESMB_CORRUPT));
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (flags & SMB_O_ZIDS)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_strip(shp);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (shp);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsvoid
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_close(smbios_hdl_t *shp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smbios_entry_t *ep = &shp->sh_ent;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint_t i;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (i = 0; i < shp->sh_nstructs; i++) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_free(shp->sh_structs[i].smbst_strtab,
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws sizeof (uint16_t) * shp->sh_structs[i].smbst_strtablen);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_free(shp->sh_structs, sizeof (smb_struct_t) * ep->smbe_stnum);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_free(shp->sh_hash, sizeof (smb_struct_t *) * shp->sh_hashlen);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (shp->sh_flags & SMB_FL_BUFALLOC)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_free((void *)shp->sh_buf, shp->sh_buflen);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smb_free(shp, sizeof (smbios_hdl_t));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws/*
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * Recompute the values of the entry point checksums based upon the content
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * of the specified SMBIOS entry point. We don't need 'shp' but require it
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws * anyway in case future versioning requires variations in the algorithm.
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws/*ARGSUSED*/
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsvoid
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_checksum(smbios_hdl_t *shp, smbios_entry_t *ep)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uchar_t *p, *q = (uchar_t *)ep;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint8_t esum = 0, isum = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_ecksum = ep->smbe_icksum = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (p = (uchar_t *)ep->smbe_ianchor; p < q + sizeof (*ep); p++)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws isum += *p;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_icksum = -isum;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (p = q; p < q + ep->smbe_elen; p++)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws esum += *p;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws ep->smbe_ecksum = -esum;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsconst void *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_buf(smbios_hdl_t *shp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (shp->sh_buf);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssize_t
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_buflen(smbios_hdl_t *shp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (shp->sh_buflen);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsstatic smbios_struct_t *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmb_export(const smb_struct_t *stp, smbios_struct_t *sp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smb_header_t *hdr = stp->smbst_hdr;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws sp->smbstr_id = hdr->smbh_hdl;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws sp->smbstr_type = hdr->smbh_type;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws sp->smbstr_data = hdr;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws sp->smbstr_size = (size_t)(stp->smbst_end - (uchar_t *)hdr);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (sp);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsint
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_lookup_id(smbios_hdl_t *shp, id_t id, smbios_struct_t *sp)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smb_struct_t *stp = smb_lookup_id(shp, id);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (stp == NULL)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (-1); /* errno is set for us */
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (sp != NULL)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (void) smb_export(stp, sp);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (0);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothierint
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothiersmbios_lookup_type(smbios_hdl_t *shp, uint_t type, smbios_struct_t *sp)
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier{
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier const smb_struct_t *stp = smb_lookup_type(shp, type);
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier if (stp == NULL)
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier return (-1); /* errno is set for us */
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier if (sp != NULL)
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier (void) smb_export(stp, sp);
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier return (0);
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier}
074bb90d80fdbeb2d04a8450a55ecbc96de28785Tom Pothier
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsint
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmbios_iter(smbios_hdl_t *shp, smbios_struct_f *func, void *data)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smb_struct_t *sp = shp->sh_structs;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws smbios_struct_t s;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws int i, rv = 0;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (i = 0; i < shp->sh_nstructs; i++, sp++) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (sp->smbst_hdr->smbh_type != SMB_TYPE_INACTIVE &&
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (rv = func(shp, smb_export(sp, &s), data)) != 0)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws break;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (rv);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsconst smb_struct_t *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmb_lookup_type(smbios_hdl_t *shp, uint_t type)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws uint_t i;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (i = 0; i < shp->sh_nstructs; i++) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (shp->sh_structs[i].smbst_hdr->smbh_type == type)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (&shp->sh_structs[i]);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (void) smb_set_errno(shp, ESMB_NOENT);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (NULL);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsconst smb_struct_t *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmb_lookup_id(smbios_hdl_t *shp, uint_t id)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws const smb_struct_t *stp = shp->sh_hash[id & (shp->sh_hashlen - 1)];
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws switch (id) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws case SMB_ID_NOTSUP:
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (void) smb_set_errno(shp, ESMB_NOTSUP);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (NULL);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws case SMB_ID_NONE:
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (void) smb_set_errno(shp, ESMB_NOENT);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (NULL);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws for (; stp != NULL; stp = stp->smbst_next) {
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (stp->smbst_hdr->smbh_hdl == id)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws break;
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws }
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (stp == NULL)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws (void) smb_set_errno(shp, ESMB_NOENT);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (stp);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsconst char *
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmb_strptr(const smb_struct_t *stp, uint_t i)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws if (i == 0 || i > stp->smbst_strtablen)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (_smb_emptystr);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws else
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return ((char *)stp->smbst_str + stp->smbst_strtab[i - 1]);
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwsint
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mwssmb_gteq(smbios_hdl_t *shp, int version)
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws{
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws return (SMB_MAJOR(shp->sh_smbvers) > SMB_MAJOR(version) || (
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws SMB_MAJOR(shp->sh_smbvers) == SMB_MAJOR(version) &&
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws SMB_MINOR(shp->sh_smbvers) >= SMB_MINOR(version)));
84ab085a13f931bc78e7415e7ce921dbaa14fcb3mws}
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthewboolean_t
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthewsmbios_truncated(smbios_hdl_t *shp)
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew{
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew return ((shp->sh_flags & SMB_FL_TRUNC) != 0);
516627f338a630bcf9806a91aa873bbbae9a2facJonathan Matthew}