3 * Copyright (c) 2012 The FreeBSD Foundation
6 * This software was developed by Edward Tomasz Napierala under sponsorship
7 * from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/queue.h>
34 #include <sys/types.h>
50 static struct conf *conf;
51 static struct target *target;
53 extern void yyerror(const char *);
54 extern int yylex(void);
55 extern void yyrestart(FILE *);
59 %token AUTH_METHOD ENABLE HEADER_DIGEST DATA_DIGEST TARGET_NAME TARGET_ADDRESS
60 %token INITIATOR_NAME INITIATOR_ADDRESS INITIATOR_ALIAS USER SECRET
61 %token MUTUAL_USER MUTUAL_SECRET SEMICOLON SESSION_TYPE PROTOCOL OFFLOAD
62 %token IGNORED EQUALS OPENING_BRACKET CLOSING_BRACKET
78 target: STR OPENING_BRACKET target_entries CLOSING_BRACKET
80 if (target_find(conf, $1) != NULL)
81 xo_errx(1, "duplicated target %s", $1);
82 target->t_nickname = $1;
83 target = target_new(conf);
89 target_entries target_entry
91 target_entries target_entry SEMICOLON
130 target_name: TARGET_NAME EQUALS STR
132 if (target->t_name != NULL)
133 xo_errx(1, "duplicated TargetName at line %d", lineno);
138 target_address: TARGET_ADDRESS EQUALS STR
140 if (target->t_address != NULL)
141 xo_errx(1, "duplicated TargetAddress at line %d", lineno);
142 target->t_address = $3;
146 initiator_name: INITIATOR_NAME EQUALS STR
148 if (target->t_initiator_name != NULL)
149 xo_errx(1, "duplicated InitiatorName at line %d", lineno);
150 target->t_initiator_name = $3;
154 initiator_address: INITIATOR_ADDRESS EQUALS STR
156 if (target->t_initiator_address != NULL)
157 xo_errx(1, "duplicated InitiatorAddress at line %d", lineno);
158 target->t_initiator_address = $3;
162 initiator_alias: INITIATOR_ALIAS EQUALS STR
164 if (target->t_initiator_alias != NULL)
165 xo_errx(1, "duplicated InitiatorAlias at line %d", lineno);
166 target->t_initiator_alias = $3;
170 user: USER EQUALS STR
172 if (target->t_user != NULL)
173 xo_errx(1, "duplicated chapIName at line %d", lineno);
178 secret: SECRET EQUALS STR
180 if (target->t_secret != NULL)
181 xo_errx(1, "duplicated chapSecret at line %d", lineno);
182 target->t_secret = $3;
186 mutual_user: MUTUAL_USER EQUALS STR
188 if (target->t_mutual_user != NULL)
189 xo_errx(1, "duplicated tgtChapName at line %d", lineno);
190 target->t_mutual_user = $3;
194 mutual_secret: MUTUAL_SECRET EQUALS STR
196 if (target->t_mutual_secret != NULL)
197 xo_errx(1, "duplicated tgtChapSecret at line %d", lineno);
198 target->t_mutual_secret = $3;
202 auth_method: AUTH_METHOD EQUALS STR
204 if (target->t_auth_method != AUTH_METHOD_UNSPECIFIED)
205 xo_errx(1, "duplicated AuthMethod at line %d", lineno);
206 if (strcasecmp($3, "none") == 0)
207 target->t_auth_method = AUTH_METHOD_NONE;
208 else if (strcasecmp($3, "chap") == 0)
209 target->t_auth_method = AUTH_METHOD_CHAP;
211 xo_errx(1, "invalid AuthMethod at line %d; "
212 "must be either \"none\" or \"CHAP\"", lineno);
216 header_digest: HEADER_DIGEST EQUALS STR
218 if (target->t_header_digest != DIGEST_UNSPECIFIED)
219 xo_errx(1, "duplicated HeaderDigest at line %d", lineno);
220 if (strcasecmp($3, "none") == 0)
221 target->t_header_digest = DIGEST_NONE;
222 else if (strcasecmp($3, "CRC32C") == 0)
223 target->t_header_digest = DIGEST_CRC32C;
225 xo_errx(1, "invalid HeaderDigest at line %d; "
226 "must be either \"none\" or \"CRC32C\"", lineno);
230 data_digest: DATA_DIGEST EQUALS STR
232 if (target->t_data_digest != DIGEST_UNSPECIFIED)
233 xo_errx(1, "duplicated DataDigest at line %d", lineno);
234 if (strcasecmp($3, "none") == 0)
235 target->t_data_digest = DIGEST_NONE;
236 else if (strcasecmp($3, "CRC32C") == 0)
237 target->t_data_digest = DIGEST_CRC32C;
239 xo_errx(1, "invalid DataDigest at line %d; "
240 "must be either \"none\" or \"CRC32C\"", lineno);
244 session_type: SESSION_TYPE EQUALS STR
246 if (target->t_session_type != SESSION_TYPE_UNSPECIFIED)
247 xo_errx(1, "duplicated SessionType at line %d", lineno);
248 if (strcasecmp($3, "normal") == 0)
249 target->t_session_type = SESSION_TYPE_NORMAL;
250 else if (strcasecmp($3, "discovery") == 0)
251 target->t_session_type = SESSION_TYPE_DISCOVERY;
253 xo_errx(1, "invalid SessionType at line %d; "
254 "must be either \"normal\" or \"discovery\"", lineno);
258 enable: ENABLE EQUALS STR
260 if (target->t_enable != ENABLE_UNSPECIFIED)
261 xo_errx(1, "duplicated enable at line %d", lineno);
262 target->t_enable = parse_enable($3);
263 if (target->t_enable == ENABLE_UNSPECIFIED)
264 xo_errx(1, "invalid enable at line %d; "
265 "must be either \"on\" or \"off\"", lineno);
269 offload: OFFLOAD EQUALS STR
271 if (target->t_offload != NULL)
272 xo_errx(1, "duplicated offload at line %d", lineno);
273 target->t_offload = $3;
277 protocol: PROTOCOL EQUALS STR
279 if (target->t_protocol != PROTOCOL_UNSPECIFIED)
280 xo_errx(1, "duplicated protocol at line %d", lineno);
281 if (strcasecmp($3, "iscsi") == 0)
282 target->t_protocol = PROTOCOL_ISCSI;
283 else if (strcasecmp($3, "iser") == 0)
284 target->t_protocol = PROTOCOL_ISER;
286 xo_errx(1, "invalid protocol at line %d; "
287 "must be either \"iscsi\" or \"iser\"", lineno);
291 ignored: IGNORED EQUALS STR
293 xo_warnx("obsolete statement ignored at line %d", lineno);
300 yyerror(const char *str)
303 xo_errx(1, "error in configuration file at line %d near '%s': %s",
304 lineno, yytext, str);
308 check_perms(const char *path)
313 error = stat(path, &sb);
318 if (sb.st_mode & S_IWOTH) {
319 xo_warnx("%s is world-writable", path);
320 } else if (sb.st_mode & S_IROTH) {
321 xo_warnx("%s is world-readable", path);
322 } else if (sb.st_mode & S_IXOTH) {
324 * Ok, this one doesn't matter, but still do it,
325 * just for consistency.
327 xo_warnx("%s is world-executable", path);
331 * XXX: Should we also check for owner != 0?
336 conf_new_from_file(const char *path)
341 target = target_new(conf);
343 yyin = fopen(path, "r");
345 xo_err(1, "unable to open configuration file %s", path);
353 assert(target->t_nickname == NULL);
354 target_delete(target);