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 $
33 * $DragonFly: src/lib/libncp/ncpl_subr.c,v 1.5 2008/09/30 16:57:05 swildner Exp $
36 #include <sys/param.h>
37 #include <sys/types.h>
38 #include <sys/errno.h>
39 #include <sys/sysctl.h>
40 #include <sys/syscall.h>
48 #include <netncp/ncp_lib.h>
49 #include <netncp/ncp_rcfile.h>
50 #include <netncp/ncp_nls.h>
51 /*#include <netncp/ncp_cfg.h>*/
54 extern char *__progname;
59 ncp_add_word_lh(struct ncp_buf *conn, u_int16_t x) {
60 setwle(conn->packet, conn->rqsize, x);
66 ncp_add_dword_lh(struct ncp_buf *conn, u_int32_t x) {
67 setdle(conn->packet, conn->rqsize, x);
73 ncp_add_word_hl(struct ncp_buf *conn, u_int16_t x){
74 setwbe(conn->packet, conn->rqsize, x);
80 ncp_add_dword_hl(struct ncp_buf *conn, u_int32_t x) {
81 setdbe(conn->packet, conn->rqsize, x);
87 ncp_add_mem(struct ncp_buf *conn, const void *source, int size) {
88 memcpy(conn->packet+conn->rqsize, source, size);
94 ncp_add_mem_nls(struct ncp_buf *conn, const void *source, int size) {
95 ncp_nls_mem_u2n(conn->packet+conn->rqsize, source, size);
101 ncp_add_pstring(struct ncp_buf *conn, const char *s) {
104 ncp_printf("ncp_add_pstring: string too long: %s\n", s);
107 ncp_add_byte(conn, len);
108 ncp_add_mem(conn, s, len);
113 ncp_add_handle_path(struct ncp_buf *conn, nuint32 volNumber, nuint32 dirNumber,
114 int handleFlag, const char *path)
116 ncp_add_byte(conn, volNumber);
117 ncp_add_dword_lh(conn, dirNumber);
118 ncp_add_byte(conn, handleFlag);
120 ncp_add_byte(conn, 1); /* 1 component */
121 ncp_add_pstring(conn, path);
123 ncp_add_byte(conn, 0);
128 ncp_init_request(struct ncp_buf *conn) {
134 ncp_init_request_s(struct ncp_buf *conn, int subfn) {
135 ncp_init_request(conn);
136 ncp_add_word_lh(conn, 0);
137 ncp_add_byte(conn, subfn);
141 ncp_reply_word_hl(struct ncp_buf *conn, int offset) {
142 return getwbe(ncp_reply_data(conn, offset), 0);
146 ncp_reply_word_lh(struct ncp_buf *conn, int offset) {
147 return getwle(ncp_reply_data(conn, offset), 0);
151 ncp_reply_dword_hl(struct ncp_buf *conn, int offset) {
152 return getdbe(ncp_reply_data(conn, offset), 0);
156 ncp_reply_dword_lh(struct ncp_buf *conn, int offset) {
157 return getdle(ncp_reply_data(conn, offset), 0);
162 ncp_connect(struct ncp_conn_args *li, int *connHandle) {
163 return syscall(NCP_CONNECT,li,connHandle);
167 ncp_disconnect(int cH) {
170 ncp_init_request(conn);
171 ncp_add_byte(conn, NCP_CONN_CONNCLOSE);
172 return ncp_conn_request(cH, conn);
176 ncp_request(int connHandle,int function, struct ncp_buf *ncpbuf){
177 int err = syscall(SNCP_REQUEST,connHandle,function,ncpbuf);
178 return (err<0) ? errno : 0;
182 ncp_conn_request(int connHandle, struct ncp_buf *ncpbuf){
183 return syscall(SNCP_REQUEST, connHandle, NCP_CONN, ncpbuf);
187 ncp_conn_scan(struct ncp_conn_loginfo *li, int *connid) {
188 return syscall(NCP_CONNSCAN,li, connid);
192 NWRequest(NWCONN_HANDLE cH, nuint16 fn,
193 nuint16 nrq, NW_FRAGMENT* rq,
194 nuint16 nrp, NW_FRAGMENT* rp)
197 struct ncp_conn_frag nf;
200 ncp_init_request(conn);
201 ncp_add_byte(conn, NCP_CONN_FRAG);
207 ncp_add_mem(conn, &nf, sizeof(nf));
208 error = ncp_conn_request(cH, conn);
216 size_t len = sizeof(sysentoffset);
218 size_t kvlen = sizeof(kv);
219 static int ncp_initialized;
223 error = sysctlbyname("net.ncp.sysent", &sysentoffset, &len, NULL, 0);
225 fprintf(stderr, "%s: can't find kernel module\n", __func__);
228 error = sysctlbyname("net.ncp.version", &kv, &kvlen, NULL, 0);
230 fprintf(stderr, "%s: kernel module is old, please recompile it.\n", __func__);
233 if (NCP_VERSION != kv) {
234 fprintf(stderr, "%s: kernel module version(%d) don't match library(%d).\n", __func__, kv, NCP_VERSION);
237 if ((error = ncp_nls_setrecode(0)) != 0) {
238 fprintf(stderr, "%s: can't initialise recode\n", __func__);
241 if ((error = ncp_nls_setlocale("")) != 0) {
242 fprintf(stderr, "%s: can't initialise locale\n", __func__);
252 int ncp_opterr = 1, /* if error message should be printed */
253 ncp_optind = 1, /* index into parent argv vector */
254 ncp_optopt, /* character checked for validity */
255 ncp_optreset; /* reset getopt */
256 char *ncp_optarg; /* argument associated with option */
258 #define BADCH (int)'?'
259 #define BADARG (int)':'
263 ncp_getopt(int nargc, char * const *nargv, const char *ostr)
265 static char *place = EMSG; /* option letter processing */
266 char *oli; /* option letter list index */
269 if (ncp_optreset || !*place) { /* update scanning pointer */
273 if (tmpind >= nargc) {
277 if (*(place = nargv[tmpind]) != '-') {
279 continue; /* lookup next option */
281 if (place[1] && *++place == '-') { /* found "--" */
282 ncp_optind = ++tmpind;
289 } /* option letter okay? */
290 if ((ncp_optopt = (int)*place++) == (int)':' ||
291 !(oli = strchr(ostr, ncp_optopt))) {
293 * if the user didn't specify '-' as an option,
294 * assume it means -1.
296 if (ncp_optopt == (int)'-')
300 if (ncp_opterr && *ostr != ':')
301 (void)fprintf(stderr,
302 "%s: illegal option -- %c\n", __progname, ncp_optopt);
305 if (*++oli != ':') { /* don't need argument */
310 else { /* need an argument */
311 if (*place) /* no white space */
313 else if (nargc <= ++ncp_optind) { /* no arg */
318 (void)fprintf(stderr,
319 "%s: option requires an argument -- %c\n",
320 __progname, ncp_optopt);
323 else /* white space */
324 ncp_optarg = nargv[ncp_optind];
328 return (ncp_optopt); /* dump back option letter */
331 * misc options parsing routines
334 ncp_args_parserc(struct ncp_args *na, char *sect, ncp_setopt_t *set_callback) {
337 for (; na->opt; na++) {
340 if (rc_getstringptr(ncp_rc,sect,na->name,&na->str) == 0) {
341 len = strlen(na->str);
342 if (len > na->ival) {
343 fprintf(stderr,"rc: Argument for option '%c' (%s) too long\n",na->opt,na->name);
350 error = rc_getbool(ncp_rc,sect,na->name,&na->ival);
351 if (error == ENOENT) break;
352 if (error) return EINVAL;
356 if (rc_getint(ncp_rc,sect,na->name,&na->ival) == 0) {
357 if (((na->flag & NAFL_HAVEMIN) &&
358 (na->ival < na->min)) ||
359 ((na->flag & NAFL_HAVEMAX) &&
360 (na->ival > na->max))) {
361 fprintf(stderr,"rc: Argument for option '%c' (%s) should be in [%d-%d] range\n",na->opt,na->name,na->min,na->max);
375 ncp_args_parseopt(struct ncp_args *na, int opt, char *optarg, ncp_setopt_t *set_callback) {
378 for (; na->opt; na++) {
379 if (na->opt != opt) continue;
384 len = strlen(na->str);
385 if (len > na->ival) {
386 fprintf(stderr,"opt: Argument for option '%c' (%s) too long\n",na->opt,na->name);
398 na->ival = strtol(optarg, NULL, 0);
400 fprintf(stderr,"opt: Invalid integer value for option '%c' (%s).\n",na->opt,na->name);
403 if (((na->flag & NAFL_HAVEMIN) &&
404 (na->ival < na->min)) ||
405 ((na->flag & NAFL_HAVEMAX) &&
406 (na->ival > na->max))) {
407 fprintf(stderr,"opt: Argument for option '%c' (%s) should be in [%d-%d] range\n",na->opt,na->name,na->min,na->max);
421 * Print a (descriptive) error message
423 * 0 - no specific error code available;
424 * -999..-1 - NDS error
425 * 1..32767 - system error
426 * the rest - requester error;
429 ncp_error(const char *fmt, int error,...) {
432 fprintf(stderr, "%s: ", __progname);
434 vfprintf(stderr, fmt, ap);
438 if (error > -1000 && error < 0) {
439 fprintf(stderr, ": dserr = %d\n", error);
440 } else if (error & 0x8000) {
441 fprintf(stderr, ": nwerr = %04x\n", error);
443 fprintf(stderr, ": syserr = %s\n", strerror(error));
445 fprintf(stderr, "\n");
449 ncp_printb(char *dest, int flags, const struct ncp_bitname *bnp) {
453 for(; bnp->bn_bit; bnp++) {
454 if (flags & bnp->bn_bit) {
455 strcat(dest, bnp->bn_name);
458 if (!first && (flags & bnp[1].bn_bit))