2 * Copyright (c) 1999, Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/lib/libncp/ncpl_subr.c,v 1.3 2000/01/01 14:21:31 bp Exp $
35 #include <sys/param.h>
36 #include <sys/types.h>
37 #include <sys/errno.h>
38 #include <sys/sysctl.h>
39 #include <sys/syscall.h>
47 #include <netncp/ncp_lib.h>
48 #include <netncp/ncp_rcfile.h>
49 #include <netncp/ncp_nls.h>
50 /*#include <netncp/ncp_cfg.h>*/
53 extern char *__progname;
58 ncp_add_word_lh(struct ncp_buf *conn, u_int16_t x) {
59 setwle(conn->packet, conn->rqsize, x);
65 ncp_add_dword_lh(struct ncp_buf *conn, u_int32_t x) {
66 setdle(conn->packet, conn->rqsize, x);
72 ncp_add_word_hl(struct ncp_buf *conn, u_int16_t x){
73 setwbe(conn->packet, conn->rqsize, x);
79 ncp_add_dword_hl(struct ncp_buf *conn, u_int32_t x) {
80 setdbe(conn->packet, conn->rqsize, x);
86 ncp_add_mem(struct ncp_buf *conn, const void *source, int size) {
87 memcpy(conn->packet+conn->rqsize, source, size);
93 ncp_add_mem_nls(struct ncp_buf *conn, const void *source, int size) {
94 ncp_nls_mem_u2n(conn->packet+conn->rqsize, source, size);
100 ncp_add_pstring(struct ncp_buf *conn, const char *s) {
103 ncp_printf("ncp_add_pstring: string too long: %s\n", s);
106 ncp_add_byte(conn, len);
107 ncp_add_mem(conn, s, len);
112 ncp_add_handle_path(struct ncp_buf *conn, nuint32 volNumber, nuint32 dirNumber,
113 int handleFlag, const char *path)
115 ncp_add_byte(conn, volNumber);
116 ncp_add_dword_lh(conn, dirNumber);
117 ncp_add_byte(conn, handleFlag);
119 ncp_add_byte(conn, 1); /* 1 component */
120 ncp_add_pstring(conn, path);
122 ncp_add_byte(conn, 0);
127 ncp_init_request(struct ncp_buf *conn) {
133 ncp_init_request_s(struct ncp_buf *conn, int subfn) {
134 ncp_init_request(conn);
135 ncp_add_word_lh(conn, 0);
136 ncp_add_byte(conn, subfn);
140 ncp_reply_word_hl(struct ncp_buf *conn, int offset) {
141 return getwbe(ncp_reply_data(conn, offset), 0);
145 ncp_reply_word_lh(struct ncp_buf *conn, int offset) {
146 return getwle(ncp_reply_data(conn, offset), 0);
150 ncp_reply_dword_hl(struct ncp_buf *conn, int offset) {
151 return getdbe(ncp_reply_data(conn, offset), 0);
155 ncp_reply_dword_lh(struct ncp_buf *conn, int offset) {
156 return getdle(ncp_reply_data(conn, offset), 0);
161 ncp_connect(struct ncp_conn_args *li, int *connHandle) {
162 return syscall(NCP_CONNECT,li,connHandle);
166 ncp_disconnect(int cH) {
169 ncp_init_request(conn);
170 ncp_add_byte(conn, NCP_CONN_CONNCLOSE);
171 return ncp_conn_request(cH, conn);
175 ncp_request(int connHandle,int function, struct ncp_buf *ncpbuf){
176 int err = syscall(SNCP_REQUEST,connHandle,function,ncpbuf);
177 return (err<0) ? errno : 0;
181 ncp_conn_request(int connHandle, struct ncp_buf *ncpbuf){
182 return syscall(SNCP_REQUEST, connHandle, NCP_CONN, ncpbuf);
186 ncp_conn_scan(struct ncp_conn_loginfo *li, int *connid) {
187 return syscall(NCP_CONNSCAN,li, connid);
191 NWRequest(NWCONN_HANDLE cH, nuint16 fn,
192 nuint16 nrq, NW_FRAGMENT* rq,
193 nuint16 nrp, NW_FRAGMENT* rp)
196 struct ncp_conn_frag nf;
199 ncp_init_request(conn);
200 ncp_add_byte(conn, NCP_CONN_FRAG);
206 ncp_add_mem(conn, &nf, sizeof(nf));
207 error = ncp_conn_request(cH, conn);
215 size_t len = sizeof(sysentoffset);
217 size_t kvlen = sizeof(kv);
218 static int ncp_initialized;
222 error = sysctlbyname("net.ncp.sysent", &sysentoffset, &len, NULL, 0);
224 fprintf(stderr, "%s: can't find kernel module\n", __func__);
227 error = sysctlbyname("net.ncp.version", &kv, &kvlen, NULL, 0);
229 fprintf(stderr, "%s: kernel module is old, please recompile it.\n", __func__);
232 if (NCP_VERSION != kv) {
233 fprintf(stderr, "%s: kernel module version(%d) don't match library(%d).\n", __func__, kv, NCP_VERSION);
236 if ((error = ncp_nls_setrecode(0)) != 0) {
237 fprintf(stderr, "%s: can't initialise recode\n", __func__);
240 if ((error = ncp_nls_setlocale("")) != 0) {
241 fprintf(stderr, "%s: can't initialise locale\n", __func__);
251 int ncp_opterr = 1, /* if error message should be printed */
252 ncp_optind = 1, /* index into parent argv vector */
253 ncp_optopt, /* character checked for validity */
254 ncp_optreset; /* reset getopt */
255 char *ncp_optarg; /* argument associated with option */
257 #define BADCH (int)'?'
258 #define BADARG (int)':'
262 ncp_getopt(int nargc, char * const *nargv, const char *ostr)
264 static char *place = EMSG; /* option letter processing */
265 char *oli; /* option letter list index */
268 if (ncp_optreset || !*place) { /* update scanning pointer */
272 if (tmpind >= nargc) {
276 if (*(place = nargv[tmpind]) != '-') {
278 continue; /* lookup next option */
280 if (place[1] && *++place == '-') { /* found "--" */
281 ncp_optind = ++tmpind;
288 } /* option letter okay? */
289 if ((ncp_optopt = (int)*place++) == (int)':' ||
290 !(oli = strchr(ostr, ncp_optopt))) {
292 * if the user didn't specify '-' as an option,
293 * assume it means -1.
295 if (ncp_optopt == (int)'-')
299 if (ncp_opterr && *ostr != ':')
300 (void)fprintf(stderr,
301 "%s: illegal option -- %c\n", __progname, ncp_optopt);
304 if (*++oli != ':') { /* don't need argument */
309 else { /* need an argument */
310 if (*place) /* no white space */
312 else if (nargc <= ++ncp_optind) { /* no arg */
317 (void)fprintf(stderr,
318 "%s: option requires an argument -- %c\n",
319 __progname, ncp_optopt);
322 else /* white space */
323 ncp_optarg = nargv[ncp_optind];
327 return (ncp_optopt); /* dump back option letter */
330 * misc options parsing routines
333 ncp_args_parserc(struct ncp_args *na, char *sect, ncp_setopt_t *set_callback) {
336 for (; na->opt; na++) {
339 if (rc_getstringptr(ncp_rc,sect,na->name,&na->str) == 0) {
340 len = strlen(na->str);
341 if (len > na->ival) {
342 fprintf(stderr,"rc: Argument for option '%c' (%s) too long\n",na->opt,na->name);
349 error = rc_getbool(ncp_rc,sect,na->name,&na->ival);
350 if (error == ENOENT) break;
351 if (error) return EINVAL;
355 if (rc_getint(ncp_rc,sect,na->name,&na->ival) == 0) {
356 if (((na->flag & NAFL_HAVEMIN) &&
357 (na->ival < na->min)) ||
358 ((na->flag & NAFL_HAVEMAX) &&
359 (na->ival > na->max))) {
360 fprintf(stderr,"rc: Argument for option '%c' (%s) should be in [%d-%d] range\n",na->opt,na->name,na->min,na->max);
374 ncp_args_parseopt(struct ncp_args *na, int opt, char *optarg, ncp_setopt_t *set_callback) {
377 for (; na->opt; na++) {
378 if (na->opt != opt) continue;
383 len = strlen(na->str);
384 if (len > na->ival) {
385 fprintf(stderr,"opt: Argument for option '%c' (%s) too long\n",na->opt,na->name);
397 na->ival = strtol(optarg, NULL, 0);
399 fprintf(stderr,"opt: Invalid integer value for option '%c' (%s).\n",na->opt,na->name);
402 if (((na->flag & NAFL_HAVEMIN) &&
403 (na->ival < na->min)) ||
404 ((na->flag & NAFL_HAVEMAX) &&
405 (na->ival > na->max))) {
406 fprintf(stderr,"opt: Argument for option '%c' (%s) should be in [%d-%d] range\n",na->opt,na->name,na->min,na->max);
420 * Print a (descriptive) error message
422 * 0 - no specific error code available;
423 * -999..-1 - NDS error
424 * 1..32767 - system error
425 * the rest - requester error;
428 ncp_error(const char *fmt, int error,...) {
431 fprintf(stderr, "%s: ", __progname);
433 vfprintf(stderr, fmt, ap);
437 if (error > -1000 && error < 0) {
438 fprintf(stderr, ": dserr = %d\n", error);
439 } else if (error & 0x8000) {
440 fprintf(stderr, ": nwerr = %04x\n", error);
442 fprintf(stderr, ": syserr = %s\n", strerror(error));
444 fprintf(stderr, "\n");
448 ncp_printb(char *dest, int flags, const struct ncp_bitname *bnp) {
452 for(; bnp->bn_bit; bnp++) {
453 if (flags & bnp->bn_bit) {
454 strcat(dest, bnp->bn_name);
457 if (!first && (flags & bnp[1].bn_bit))