115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/*
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ncpext.c
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Copyright (C) 2001 Petr Vandrovec
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Revision history:
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1.00 2001, January 27 Petr Vandrovec <vandrove@vc.cvut.cz>
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Initial version.
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*/
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#include <ncp/nwcalls.h>
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#include <ncp/nwnet.h>
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#include "ncplib_i.h"
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#include "ncpcode.h"
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#include <string.h>
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#define ncp_array_size(x) (sizeof(x)/sizeof((x)[0]))
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NWCCODE
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NWScanNCPExtensions(
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NWCONN_HANDLE conn,
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nuint32* iterHandle,
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char* name,
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nuint8* majorVersion,
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nuint8* minorVersion,
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nuint8* revision,
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nuint8 queryData[32]) {
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NWCCODE err;
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if (!iterHandle) {
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return NWE_PARAM_INVALID;
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}
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ncp_init_request_s(conn, 0);
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ncp_add_dword_lh(conn, *iterHandle);
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err = ncp_request(conn, 36);
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if (err) {
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ncp_unlock_conn(conn);
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return err;
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}
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if (conn->ncp_reply_size < 72) {
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ncp_unlock_conn(conn);
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return NWE_INVALID_NCP_PACKET_LENGTH;
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}
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*iterHandle = ncp_reply_dword_lh(conn, 0);
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if (majorVersion)
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*majorVersion = ncp_reply_byte(conn, 4);
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if (minorVersion)
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*minorVersion = ncp_reply_byte(conn, 5);
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if (revision)
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*revision = ncp_reply_byte(conn, 6);
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if (queryData)
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memcpy(queryData, ncp_reply_data(conn, 40), 32);
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if (name) {
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size_t namelen;
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namelen = ncp_reply_byte(conn, 7);
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if (namelen >= MAX_NCP_EXTENSION_NAME_BYTES) {
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ncp_unlock_conn(conn);
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return NWE_BUFFER_OVERFLOW;
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}
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memcpy(name, ncp_reply_data(conn, 8), namelen);
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name[namelen] = 0;
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}
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ncp_unlock_conn(conn);
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return 0;
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}
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NWCCODE
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NWGetNumberNCPExtensions(
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NWCONN_HANDLE conn,
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nuint* exts) {
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NWCCODE err;
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u_int32_t num;
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NW_FRAGMENT rp;
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u_int32_t iterHandle;
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rp.fragAddr.rw = #
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rp.fragSize = sizeof(num);
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err = NWRequestSimple(conn, NCPC_SFN(36,3), NULL, 0, &rp);
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if (err) {
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if (err != NWE_NCP_NOT_SUPPORTED) {
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return err;
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}
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iterHandle = ~0;
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num = 0;
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while ((err = NWScanNCPExtensions(conn, &iterHandle, NULL, NULL, NULL, NULL, NULL)) == 0) {
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num++;
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}
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if (err != NWE_SERVER_FAILURE)
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return err;
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} else {
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if (rp.fragSize < 4)
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return NWE_INVALID_NCP_PACKET_LENGTH;
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}
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if (exts)
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*exts = num;
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return 0;
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}
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