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>
49 static struct conf *conf;
50 static struct target *target;
52 extern void yyerror(const char *);
53 extern int yylex(void);
54 extern void yyrestart(FILE *);
58 %token AUTH_METHOD HEADER_DIGEST DATA_DIGEST TARGET_NAME TARGET_ADDRESS
59 %token INITIATOR_NAME INITIATOR_ADDRESS INITIATOR_ALIAS USER SECRET
60 %token MUTUAL_USER MUTUAL_SECRET SEMICOLON SESSION_TYPE PROTOCOL IGNORED
61 %token EQUALS OPENING_BRACKET CLOSING_BRACKET
77 target: STR OPENING_BRACKET target_entries CLOSING_BRACKET
79 if (target_find(conf, $1) != NULL)
80 errx(1, "duplicated target %s", $1);
81 target->t_nickname = $1;
82 target = target_new(conf);
88 target_entries target_entry
90 target_entries target_entry SEMICOLON
125 target_name: TARGET_NAME EQUALS STR
127 if (target->t_name != NULL)
128 errx(1, "duplicated TargetName at line %d", lineno);
133 target_address: TARGET_ADDRESS EQUALS STR
135 if (target->t_address != NULL)
136 errx(1, "duplicated TargetAddress at line %d", lineno);
137 target->t_address = $3;
141 initiator_name: INITIATOR_NAME EQUALS STR
143 if (target->t_initiator_name != NULL)
144 errx(1, "duplicated InitiatorName at line %d", lineno);
145 target->t_initiator_name = $3;
149 initiator_address: INITIATOR_ADDRESS EQUALS STR
151 if (target->t_initiator_address != NULL)
152 errx(1, "duplicated InitiatorAddress at line %d", lineno);
153 target->t_initiator_address = $3;
157 initiator_alias: INITIATOR_ALIAS EQUALS STR
159 if (target->t_initiator_alias != NULL)
160 errx(1, "duplicated InitiatorAlias at line %d", lineno);
161 target->t_initiator_alias = $3;
165 user: USER EQUALS STR
167 if (target->t_user != NULL)
168 errx(1, "duplicated chapIName at line %d", lineno);
173 secret: SECRET EQUALS STR
175 if (target->t_secret != NULL)
176 errx(1, "duplicated chapSecret at line %d", lineno);
177 target->t_secret = $3;
181 mutual_user: MUTUAL_USER EQUALS STR
183 if (target->t_mutual_user != NULL)
184 errx(1, "duplicated tgtChapName at line %d", lineno);
185 target->t_mutual_user = $3;
189 mutual_secret: MUTUAL_SECRET EQUALS STR
191 if (target->t_mutual_secret != NULL)
192 errx(1, "duplicated tgtChapSecret at line %d", lineno);
193 target->t_mutual_secret = $3;
197 auth_method: AUTH_METHOD EQUALS STR
199 if (target->t_auth_method != AUTH_METHOD_UNSPECIFIED)
200 errx(1, "duplicated AuthMethod at line %d", lineno);
201 if (strcasecmp($3, "none") == 0)
202 target->t_auth_method = AUTH_METHOD_NONE;
203 else if (strcasecmp($3, "chap") == 0)
204 target->t_auth_method = AUTH_METHOD_CHAP;
206 errx(1, "invalid AuthMethod at line %d; "
207 "must be either \"none\" or \"CHAP\"", lineno);
211 header_digest: HEADER_DIGEST EQUALS STR
213 if (target->t_header_digest != DIGEST_UNSPECIFIED)
214 errx(1, "duplicated HeaderDigest at line %d", lineno);
215 if (strcasecmp($3, "none") == 0)
216 target->t_header_digest = DIGEST_NONE;
217 else if (strcasecmp($3, "CRC32C") == 0)
218 target->t_header_digest = DIGEST_CRC32C;
220 errx(1, "invalid HeaderDigest at line %d; "
221 "must be either \"none\" or \"CRC32C\"", lineno);
225 data_digest: DATA_DIGEST EQUALS STR
227 if (target->t_data_digest != DIGEST_UNSPECIFIED)
228 errx(1, "duplicated DataDigest at line %d", lineno);
229 if (strcasecmp($3, "none") == 0)
230 target->t_data_digest = DIGEST_NONE;
231 else if (strcasecmp($3, "CRC32C") == 0)
232 target->t_data_digest = DIGEST_CRC32C;
234 errx(1, "invalid DataDigest at line %d; "
235 "must be either \"none\" or \"CRC32C\"", lineno);
239 session_type: SESSION_TYPE EQUALS STR
241 if (target->t_session_type != SESSION_TYPE_UNSPECIFIED)
242 errx(1, "duplicated SessionType at line %d", lineno);
243 if (strcasecmp($3, "normal") == 0)
244 target->t_session_type = SESSION_TYPE_NORMAL;
245 else if (strcasecmp($3, "discovery") == 0)
246 target->t_session_type = SESSION_TYPE_DISCOVERY;
248 errx(1, "invalid SessionType at line %d; "
249 "must be either \"normal\" or \"discovery\"", lineno);
253 protocol: PROTOCOL EQUALS STR
255 if (target->t_protocol != PROTOCOL_UNSPECIFIED)
256 errx(1, "duplicated protocol at line %d", lineno);
257 if (strcasecmp($3, "iscsi") == 0)
258 target->t_protocol = PROTOCOL_ISCSI;
259 else if (strcasecmp($3, "iser") == 0)
260 target->t_protocol = PROTOCOL_ISER;
262 errx(1, "invalid protocol at line %d; "
263 "must be either \"iscsi\" or \"iser\"", lineno);
267 ignored: IGNORED EQUALS STR
269 warnx("obsolete statement ignored at line %d", lineno);
276 yyerror(const char *str)
279 errx(1, "error in configuration file at line %d near '%s': %s",
280 lineno, yytext, str);
284 check_perms(const char *path)
289 error = stat(path, &sb);
294 if (sb.st_mode & S_IWOTH) {
295 warnx("%s is world-writable", path);
296 } else if (sb.st_mode & S_IROTH) {
297 warnx("%s is world-readable", path);
298 } else if (sb.st_mode & S_IXOTH) {
300 * Ok, this one doesn't matter, but still do it,
301 * just for consistency.
303 warnx("%s is world-executable", path);
307 * XXX: Should we also check for owner != 0?
312 conf_new_from_file(const char *path)
317 target = target_new(conf);
319 yyin = fopen(path, "r");
321 err(1, "unable to open configuration file %s", path);
329 assert(target->t_nickname == NULL);
330 target_delete(target);