usr.sbin/atm/scspd/scsp_config_parse.y

   1 %{
   2 /*
   3  *
   4  * ===================================
   5  * HARP  |  Host ATM Research Platform
   6  * ===================================
   7  *
   8  *
   9  * This Host ATM Research Platform ("HARP") file (the "Software") is
  10  * made available by Network Computing Services, Inc. ("NetworkCS")
  11  * "AS IS".  NetworkCS does not provide maintenance, improvements or
  12  * support of any kind.
  13  *
  14  * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
  15  * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
  16  * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
  17  * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
  18  * In no event shall NetworkCS be responsible for any damages, including
  19  * but not limited to consequential damages, arising from or relating to
  20  * any use of the Software or related support.
  21  *
  22  * Copyright 1994-1998 Network Computing Services, Inc.
  23  *
  24  * Copies of this Software may be made, however, the above copyright
  25  * notice must be reproduced on all copies.
  26  *
  27  *      @(#) $FreeBSD: src/usr.sbin/atm/scspd/scsp_config_parse.y,v 1.3 1999/08/28 01:15:32 peter Exp $
  28  *      @(#) $DragonFly: src/usr.sbin/atm/scspd/scsp_config_parse.y,v 1.4 2008/11/12 21:44:59 swildner Exp $
  29  */
  30
  31
  32 /*
  33  * Server Cache Synchronization Protocol (SCSP) Support
  34  * ----------------------------------------------------
  35  *
  36  * YACC input for configuration file processing
  37  *
  38  */
  39
  40 #include <sys/types.h>
  41 #include <sys/param.h>
  42 #include <sys/socket.h>
  43 #include <net/if.h>
  44 #include <netinet/in.h>
  45 #include <netatm/port.h>
  46 #include <netatm/queue.h>
  47 #include <netatm/atm.h>
  48 #include <netatm/atm_if.h>
  49 #include <netatm/atm_sap.h>
  50 #include <netatm/atm_sys.h>
  51 #include <netatm/atm_ioctl.h>
  52
  53 #include <libatm.h>
  54 #if __STDC__
  55 #include <stdarg.h>
  56 #else
  57 #include <varargs.h>
  58 #endif
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #include <syslog.h>
  63
  64 #include "scsp_msg.h"
  65 #include "scsp_if.h"
  66 #include "scsp_var.h"
  67
  68 void    yyerror(char *);
  69 %}
  70
  71
  72 /*
  73  * Token value definition
  74  */
  75 %union {
  76         char            *tv_alpha;
  77         int             tv_int;
  78         char            *tv_hex;
  79 }
  80
  81
  82 /*
  83  * Token types returned by scanner
  84  */
  85 %token  <tv_alpha>      TOK_NAME
  86 %token  <tv_int>        TOK_INTEGER
  87 %token  <tv_hex>        TOK_HEX
  88
  89 /*
  90  * Reserved words
  91  */
  92 %token                  TOK_ATMARP
  93 %token                  TOK_DCS
  94 %token                  TOK_DCS_ADDR
  95 %token                  TOK_DCS_CA_REXMIT_INT
  96 %token                  TOK_DCS_CSUS_REXMIT_INT
  97 %token                  TOK_DCS_CSU_REXMIT_INT
  98 %token                  TOK_DCS_CSU_REXMIT_MAX
  99 %token                  TOK_DCS_HELLO_DF
 100 %token                  TOK_DCS_HELLO_INT
 101 %token                  TOK_DCS_HOP_CNT
 102 %token                  TOK_DCS_ID
 103 %token                  TOK_DHCP
 104 %token                  TOK_FAMILY
 105 %token                  TOK_LFN
 106 %token                  TOK_LNNI
 107 %token                  TOK_LOG
 108 %token                  TOK_MARS
 109 %token                  TOK_NETIF
 110 %token                  TOK_NHRP
 111 %token                  TOK_PROTOCOL
 112 %token                  TOK_SERVER
 113 %token                  TOK_SRVGRP
 114 %token                  TOK_SYSLOG
 115
 116
 117 %%
 118 cfg_file: /* Empty */
 119         | stmt_seq
 120
 121 stmt_seq: stmt
 122         | stmt_seq stmt
 123         ;
 124
 125 stmt:   server_stmt ';'
 126         | log_stmt ';'
 127         ;
 128
 129 /*
 130  * SCSP server definition statements
 131  */
 132 server_stmt: TOK_SERVER TOK_NAME
 133         {
 134                 int     rc;
 135
 136                 rc = start_server($2);
 137                 UM_FREE($2);
 138                 if (rc)
 139                         return(rc);
 140         }
 141         '{' server_def '}'
 142         {
 143                 int     rc;
 144
 145                 rc = finish_server();
 146                 if (rc)
 147                         return(rc);
 148         }
 149         ;
 150
 151 server_def: server_spec ';'
 152         | server_def server_spec ';'
 153         ;
 154
 155 server_spec: /* Nothing */
 156         | dcs_stmt
 157         | TOK_NETIF TOK_NAME
 158         {
 159                 int     rc;
 160
 161                 /*
 162                  * Configure the network interface
 163                  */
 164                 rc = set_intf($2);
 165                 UM_FREE($2);
 166                 if (rc)
 167                         return(rc);
 168         }
 169         | TOK_PROTOCOL TOK_ATMARP
 170         {
 171                 int     rc;
 172
 173                 /*
 174                  * Configure the protocol
 175                  */
 176                 rc = set_protocol(SCSP_PROTO_ATMARP);
 177                 if (rc)
 178                         return(rc);
 179         }
 180         | TOK_PROTOCOL TOK_DHCP | TOK_LNNI | TOK_MARS | TOK_NHRP
 181         {
 182                 yyerror("Protocol not implemented");
 183                 return(1);
 184         }
 185         | TOK_SRVGRP TOK_INTEGER
 186         {
 187                 int     rc;
 188
 189                 /*
 190                  * Configure the SCSP server group ID
 191                  */
 192                 rc = set_server_group($2);
 193                 if (rc)
 194                         return(rc);
 195         }
 196         ;
 197
 198 /*
 199  * SCSP DCS definition statements
 200  */
 201 dcs_stmt: TOK_DCS
 202         {
 203                 int     rc;
 204
 205                 rc = start_dcs();
 206                 if (rc)
 207                         return(rc);
 208         }
 209         '{' dcs_def '}'
 210         {
 211                 int     rc;
 212
 213                 rc = finish_dcs();
 214                 if (rc)
 215                         return(rc);
 216         }
 217         ;
 218
 219 dcs_def: dcs_spec ';'
 220         | dcs_def dcs_spec ';'
 221         ;
 222
 223 dcs_spec: /* Nothing */
 224         | TOK_DCS_ADDR TOK_HEX
 225         {
 226                 int     rc;
 227
 228                 /*
 229                  * Set DCS address
 230                  */
 231                 rc = set_dcs_addr($2, NULL);
 232                 UM_FREE($2);
 233                 if (rc)
 234                         return(rc);
 235         }
 236         | TOK_DCS_ADDR TOK_HEX TOK_HEX
 237         {
 238                 int     rc;
 239
 240                 /*
 241                  * Set DCS address and subaddress
 242                  */
 243                 rc = set_dcs_addr($2, $3);
 244                 UM_FREE($2);
 245                 UM_FREE($3);
 246                 if (rc)
 247                         return(rc);
 248         }
 249         | TOK_DCS_CA_REXMIT_INT TOK_INTEGER
 250         {
 251                 int     rc;
 252
 253                 /*
 254                  * Configure the CA retransmit interval
 255                  */
 256                 rc = set_dcs_ca_rexmit($2);
 257                 if (rc)
 258                         return(rc);
 259         }
 260         | TOK_DCS_CSUS_REXMIT_INT TOK_INTEGER
 261         {
 262                 int     rc;
 263
 264                 /*
 265                  * Configure the CSUS retransmit interval
 266                  */
 267                 rc = set_dcs_csus_rexmit($2);
 268                 if (rc)
 269                         return(rc);
 270         }
 271         | TOK_DCS_CSU_REXMIT_INT TOK_INTEGER
 272         {
 273                 int     rc;
 274
 275                 /*
 276                  * Configure the CSU retransmit interval
 277                  */
 278                 rc = set_dcs_csu_rexmit($2);
 279                 if (rc)
 280                         return(rc);
 281         }
 282         | TOK_DCS_CSU_REXMIT_MAX TOK_INTEGER
 283         {
 284                 int     rc;
 285
 286                 /*
 287                  * Configure the CSU retransmit limit
 288                  */
 289                 rc = set_dcs_csu_rexmit_max($2);
 290                 if (rc)
 291                         return(rc);
 292         }
 293         | TOK_DCS_HELLO_DF TOK_INTEGER
 294         {
 295                 int     rc;
 296
 297                 /*
 298                  * Configure the Hello dead factor
 299                  */
 300                 rc = set_dcs_hello_df($2);
 301                 if (rc)
 302                         return(rc);
 303         }
 304         | TOK_DCS_HELLO_INT TOK_INTEGER
 305         {
 306                 int     rc;
 307
 308                 /*
 309                  * Configure the Hello interval
 310                  */
 311                 rc = set_dcs_hello_int($2);
 312                 if (rc)
 313                         return(rc);
 314         }
 315         | TOK_DCS_HOP_CNT TOK_INTEGER
 316         {
 317                 int     rc;
 318
 319                 /*
 320                  * Configure the hop count
 321                  */
 322                 rc = set_dcs_hops($2);
 323                 if (rc)
 324                         return(rc);
 325         }
 326         | TOK_DCS_ID TOK_NAME
 327         {
 328                 int     rc;
 329
 330                 /*
 331                  * Configure the DCS ID
 332                  */
 333                 rc = set_dcs_id($2);
 334                 UM_FREE($2);
 335                 if (rc)
 336                         return(rc);
 337         }
 338         ;
 339
 340
 341 /*
 342  * Logging option statements
 343  */
 344 log_stmt: TOK_LOG
 345         '{' log_spec '}'
 346         ;
 347
 348 log_spec: /* Nothing */
 349         | TOK_LFN TOK_NAME ';'
 350         {
 351                 /*
 352                  * Configure the log file name
 353                  */
 354                 int     rc;
 355
 356                 rc = set_log_file($2);
 357                 UM_FREE($2);
 358                 if (rc)
 359                         return(rc);
 360         }
 361         ;
 362         | TOK_SYSLOG ';'
 363         {
 364                 /*
 365                  * Configure logging to syslog
 366                  */
 367                 scsp_log_syslog = 1;
 368         }
 369         ;
 370
 371 %%
 372
 373 void
 374 parse_error(const char *fmt, ...)
 375 {
 376         va_list ap;
 377         char    buff[256];
 378
 379         va_start(ap, fmt);
 380
 381         vsprintf(buff, fmt, ap);
 382         scsp_log(LOG_ERR, "%s: Config file error at line %d: %s\n",
 383                         prog, parse_line, buff);
 384 #ifdef NOTDEF
 385         fprintf(stderr, "%s: Config file error at line %d: %s\n",
 386                         prog, parse_line, buff);
 387 #endif
 388         va_end(ap);
 389 }
 390
 391
 392 void
 393 yyerror(char *s)
 394 {
 395         parse_error(s);
 396 }