1 /*
2  * SPDX-License-Identifier: ISC
3  *
4  * Copyright (c) 2011-2013, 2015-2016, 2020 Todd C. Miller <Todd.Miller@sudo.ws>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef SUDOERS_TOKE_H
20 #define SUDOERS_TOKE_H
21 
22 struct sudolinebuf {
23     char *buf;			/* line buffer */
24     size_t size;		/* size of buffer */
25     size_t len;			/* used length */
26     size_t off;			/* consumed length */
27     size_t toke_start;		/* starting column of current token */
28     size_t toke_end;		/* ending column of current token */
29 };
30 extern char *sudoers_errstr;
31 extern struct sudolinebuf sudolinebuf;
32 
33 bool append(const char *, size_t);
34 bool fill_args(const char *, size_t, int);
35 bool fill_cmnd(const char *, size_t);
36 bool fill(const char *, size_t);
37 bool ipv6_valid(const char *s);
38 int sudoers_trace_print(const char *);
39 void sudoerserrorf(const char *, ...) __printf0like(1, 2);
40 void sudoerserror(const char *);
41 bool push_include(const char *, bool);
42 
43 #ifndef FLEX_SCANNER
44 extern int (*trace_print)(const char *msg);
45 #endif
46 
47 #define LEXTRACE(msg)   do {						\
48     if (trace_print != NULL)						\
49 	(*trace_print)(msg);						\
50 } while (0);
51 
52 #endif /* SUDOERS_TOKE_H */
53