2 * Copyright (c) 1995, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.13 1996-07-06 19:58:30 quinn
8 * System headerfiles gathered in yconfig
10 * Revision 1.12 1996/05/22 08:34:44 adam
11 * Added ifdef USE_XTIMOSI; so that 'make depend' works.
13 * Revision 1.11 1996/02/23 10:00:41 quinn
16 * Revision 1.10 1996/02/10 12:23:13 quinn
17 * Enablie inetd operations fro TCP/IP stack
19 * Revision 1.9 1996/01/02 08:57:28 quinn
20 * Changed enums in the ASN.1 .h files to #defines. Changed oident.class to oclass
22 * Revision 1.8 1995/11/01 13:54:29 quinn
25 * Revision 1.7 1995/10/30 12:41:17 quinn
26 * Added hostname lookup for server.
28 * Revision 1.6 1995/09/29 17:12:00 quinn
31 * Revision 1.5 1995/09/28 10:24:32 quinn
34 * Revision 1.4 1995/09/27 15:02:45 quinn
35 * Modified function heads & prototypes.
37 * Revision 1.3 1995/06/16 10:30:38 quinn
40 * Revision 1.2 1995/06/15 12:30:07 quinn
41 * Added @ as hostname alias for INADDR ANY.
43 * Revision 1.1 1995/06/14 09:58:20 quinn
44 * Renamed yazlib to comstack.
46 * Revision 1.15 1995/05/29 08:12:33 quinn
47 * Updates to aynch. operations.
49 * Revision 1.14 1995/05/16 09:37:31 quinn
52 * Revision 1.13 1995/05/16 08:51:19 quinn
53 * License, documentation, and memory fixes
55 * Revision 1.12 1995/05/02 08:53:24 quinn
56 * Trying in vain to fix comm with ISODE
58 * Revision 1.11 1995/04/21 16:32:08 quinn
59 * *** empty log message ***
61 * Revision 1.10 1995/03/27 08:36:14 quinn
62 * Some work on nonblocking operation in xmosi.c and rfct.c.
63 * Added protocol parameter to cs_create()
65 * Revision 1.9 1995/03/20 09:47:23 quinn
66 * Added server-side support to xmosi.c
67 * Fixed possible problems in rfct
70 * Revision 1.8 1995/03/16 13:29:30 quinn
71 * Beginning to add server-side functions
73 * Revision 1.7 1995/03/14 10:28:47 quinn
74 * Adding server-side support to tcpip.c and fixing bugs in nonblocking I/O
76 * Revision 1.6 1995/03/09 15:22:43 quinn
77 * Fixed two bugs in get/rcv
79 * Revision 1.5 1995/03/07 16:29:47 quinn
82 * Revision 1.4 1995/03/07 10:26:56 quinn
83 * Initialized type field in the comstacks.
85 * Revision 1.3 1995/03/06 16:48:03 quinn
88 * Revision 1.2 1995/03/06 10:54:41 quinn
89 * Server-side functions (t_bind/t_listen/t_accept) seem to work ok, now.
90 * Nonblocking mode needs work (and testing!)
91 * Added makensap to replace function in mosiutil.c.
93 * Revision 1.1 1995/03/01 08:40:33 quinn
94 * First working version of rfct. Addressing needs work.
100 * Glue layer for Peter Furniss' xtimosi package.
111 #include <comstack.h>
116 int mosi_connect(COMSTACK h, void *address);
117 int mosi_get(COMSTACK h, char **buf, int *bufsize);
118 int mosi_put(COMSTACK h, char *buf, int size);
119 int mosi_more(COMSTACK h) { return 0; } /* not correct */
120 int mosi_close(COMSTACK h);
121 int mosi_rcvconnect(COMSTACK h);
122 int mosi_bind(COMSTACK h, void *address, int mode);
123 int mosi_listen(COMSTACK h, char *addrp, int *addrlen);
124 COMSTACK mosi_accept(COMSTACK h);
125 char *mosi_addrstr(COMSTACK h);
127 typedef struct mosi_state
129 struct t_info info; /* data returned by t_open */
131 int hasread; /* how many bytes read of current PDU */
132 int haswrit; /* how many bytes have we written */
135 static char *oidtostr(int *o)
137 static char buf[512];
142 sprintf(buf + strlen(buf), "%d", *o);
149 static int addopt(struct netbuf *optbuf, unsigned long level, unsigned long
150 name, enum oid_proto proto, enum oid_class class, enum oid_value value)
159 if (!(oid = oid_getoidbyent(&ent)))
162 if (addoidoption(optbuf, level, name, str) < 0)
167 COMSTACK mosi_type(int s, int blocking, int protocol)
176 if (!(r = xmalloc(sizeof(*r))))
178 if (!(state = r->private = xmalloc(sizeof(*state))))
184 r->protocol = protocol;
187 r->blocking = blocking;
188 r->f_connect = mosi_connect;
191 r->f_close = mosi_close;
192 r->f_more = mosi_more;
193 r->f_rcvconnect = mosi_rcvconnect;
194 r->f_bind = mosi_bind;
195 r->f_listen = mosi_listen;
196 r->f_accept = mosi_accept;
197 r->f_addrstr = mosi_addrstr;
201 if ((r->iofile = u_open(CO_MOSI_NAME, flags, &state->info)) < 0)
204 r->timeout = COMSTACK_DEFAULT_TIMEOUT;
209 int hex2oct(char *hex, char *oct)
214 while (sscanf(hex, "%2x", &val) == 1)
218 *((unsigned char*) oct++) = (unsigned char) val;
226 * addressing specific to our hack of OSI transport. A sockaddr_in wrapped
227 * up in a t_mosiaddr in a netbuf (on a stick).
229 struct netbuf MDF *mosi_strtoaddr(const char *str)
231 struct netbuf *ret = xmalloc(sizeof(struct netbuf));
232 struct sockaddr_in *add = xmalloc(sizeof(struct sockaddr_in));
233 struct t_mosiaddr *mosiaddr = xmalloc(sizeof(struct t_mosiaddr));
235 char *p, *b, buf[512], *nsap;
236 short int port = 102;
237 unsigned long tmpadd;
240 assert(ret && add && mosiaddr);
242 mosiaddr->osi_ap_inv_id = NO_INVOKEID;
243 mosiaddr->osi_ae_inv_id = NO_INVOKEID;
245 mosiaddr->osi_apt_len = 0;
246 mosiaddr->osi_aeq_len = 0;
247 p = (char*)MOSI_PADDR(mosiaddr);
248 *(p++) = 0; /* No presentation selector */
250 *(p++) = 0; /* no session selector */
252 /* do we have a transport selector? */
254 if ((nsap = strchr(buf, '/')))
257 if ((*p = hex2oct(buf, p + 1)) < 0)
270 add->sin_family = AF_INET;
272 if ((b = strchr(buf, ':')))
277 add->sin_port = htons(port);
278 if (!strcmp("@", buf))
279 add->sin_addr.s_addr = INADDR_ANY;
280 else if ((hp = gethostbyname(buf)))
281 memcpy(&add->sin_addr.s_addr, *hp->h_addr_list, sizeof(struct in_addr));
282 else if ((tmpadd = inet_addr(buf)) != 0)
283 memcpy(&add->sin_addr.s_addr, &tmpadd, sizeof(struct in_addr));
286 *(p++) = (char) sizeof(*add);
288 memcpy(p, add, sizeof(*add));
296 mosiaddr->osi_paddr_len = ll;
297 ret->buf = (char*)mosiaddr;
298 ret->len = ret->maxlen = 100 /* sizeof(*mosiaddr) */ ;
303 int mosi_connect(COMSTACK h, void *address)
305 struct netbuf *addr = address, *local;
306 struct t_call *snd, *rcv;
309 if (!(snd = (struct t_call *) u_alloc(h->iofile, T_CALL, T_ALL)))
311 if (!(rcv = (struct t_call *) u_alloc(h->iofile, T_CALL, T_ALL)))
315 if (addopt(&snd->opt, ISO_APCO, AP_CNTX_NAME, h->protocol, CLASS_APPCTX,
318 if (addopt(&snd->opt, ISO_APCO, AP_ABS_SYN, h->protocol, CLASS_ABSYN,
322 * We don't specify record formats yet.
324 * Xtimosi adds the oid for BER as transfer syntax automatically.
329 if (h->state == CS_UNBND)
331 local = mosi_strtoaddr(""); /* not good in long run */
332 memcpy(&bnd.addr, local, sizeof(*local));
333 if (u_bind(h->iofile, &bnd, 0) < 0)
337 memcpy(&snd->addr, addr, sizeof(*addr));
338 if (u_connect(h->iofile, snd, rcv) < 0)
340 if (t_errno == TNODATA)
347 int mosi_rcvconnect(COMSTACK h)
349 if (u_rcvconnect(h->iofile, 0) < 0)
351 if (t_errno == TNODATA)
358 int mosi_bind(COMSTACK h, void *address, int mode)
364 if (setsockopt(h->iofile, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) < 0)
369 if (mode == CS_SERVER)
373 memcpy(&bnd.addr, address, sizeof(struct netbuf));
374 if ((res = u_bind(h->iofile, &bnd, 0)) < 0)
380 int mosi_listen(COMSTACK h, char *addp, int *addrlen)
383 mosi_state *st = h->private;
385 if (!(st->call = (struct t_call*) t_alloc(h->iofile, T_CALL_STR,
388 if ((res = u_listen(h->iofile, st->call)) < 0)
390 if (t_errno == TNODATA)
398 COMSTACK mosi_accept(COMSTACK h)
402 struct mosi_state *st = h->private, *ns;
405 if (h->state != CS_INCON)
407 h->cerrno = CSOUTSTATE;
410 if (!(new = xmalloc(sizeof(*new))))
413 if (!(new->private = ns = xmalloc(sizeof(*ns))))
418 if ((new->iofile = u_open_r(CO_MOSI_NAME, flags, &st->info, st->call)) < 0)
420 if (!(local = mosi_strtoaddr("")))
422 if (mosi_bind(new, local, CS_CLIENT) < 0) /* CS_CLIENT: qlen == 0 */
424 memcpy(&st->call->addr, local, sizeof(st->call->addr));
425 if (u_accept(h->iofile, new->iofile, st->call) < 0)
433 #define CS_MOSI_BUFCHUNK 4096
435 int mosi_get(COMSTACK h, char **buf, int *bufsize)
438 mosi_state *ct = h->private;
445 if (!(*buf = xmalloc(*bufsize = CS_MOSI_BUFCHUNK)))
448 else if (*bufsize - ct->hasread < CS_MOSI_BUFCHUNK)
449 if (!(*buf =xrealloc(*buf, *bufsize *= 2)))
452 if ((res = u_rcv(h->iofile, *buf + ct->hasread, CS_MOSI_BUFCHUNK,
455 if (t_errno == TNODATA)
461 while (flags & T_MORE);
463 /* all done. Reset hasread */
469 int mosi_put(COMSTACK h, char *buf, int size)
471 mosi_state *ct = h->private;
472 int res = u_snd(h->iofile, buf + ct->haswrit, size - ct->haswrit, 0);
474 if (res == size - ct->haswrit)
481 if (t_errno == TFLOW)
489 int mosi_close(COMSTACK h)
498 char *mosi_addrstr(COMSTACK h)
500 return "osi:[UNIMPLEMENTED]";