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16fdb0a5c5ab24d67aaf595505a19e3655d5608f
sudo/sudo.tab.c

1671 lines
44 KiB
C
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#ifndef lint
/*static char yysccsid[] = "from: @(#)yaccpar 1.9 (Berkeley) 02/21/93";*/
static char yyrcsid[]
#if __GNUC__ == 2
__attribute__ ((unused))
#endif /* __GNUC__ == 2 */
= "$OpenBSD: skeleton.c,v 1.13 1998/11/18 15:45:12 dm Exp $";
#endif
#include <stdlib.h>
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYLEX yylex()
#define YYEMPTY -1
#define yyclearin (yychar=(YYEMPTY))
#define yyerrok (yyerrflag=0)
#define YYRECOVERING() (yyerrflag!=0)
#define YYPREFIX "yy"
#line 2 "parse.yacc"
/*
* CU sudo version 1.6
* Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Please send bugs, changes, problems to sudo-bugs@courtesan.com
*
*******************************************************************
*
* parse.yacc -- yacc parser and alias manipulation routines for sudo.
*
* Chris Jepeway <jepeway@cs.utk.edu>
*/
#include "config.h"
#include <stdio.h>
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif /* STDC_HEADERS */
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include <pwd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <netinet/in.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
#include <malloc.h>
#endif /* HAVE_MALLOC_H && !STDC_HEADERS */
#if defined(YYBISON) && defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
#include <alloca.h>
#endif /* YYBISON && HAVE_ALLOCA_H && !__GNUC__ */
#ifdef HAVE_LSEARCH
#include <search.h>
#endif /* HAVE_LSEARCH */
#include "sudo.h"
#ifndef HAVE_LSEARCH
#include "emul/search.h"
#endif /* HAVE_LSEARCH */
#ifndef HAVE_STRCASECMP
#define strcasecmp(a,b) strcmp(a,b)
#endif /* !HAVE_STRCASECMP */
#ifndef lint
static const char rcsid[] = "$Sudo$";
#endif /* lint */
/*
* Globals
*/
extern int sudolineno, parse_error;
int errorlineno = -1;
int clearaliases = 1;
int printmatches = FALSE;
/*
* Alias types
*/
#define HOST_ALIAS 1
#define CMND_ALIAS 2
#define USER_ALIAS 3
#define RUNAS_ALIAS 4
/*
* The matching stack, initial space allocated in init_parser().
*/
struct matchstack *match;
int top = 0, stacksize = 0;
#define push \
{ \
if (top >= stacksize) { \
while ((stacksize += STACKINCREMENT) < top); \
match = (struct matchstack *) erealloc(match, sizeof(struct matchstack) * stacksize); \
} \
match[top].user = -1; \
match[top].cmnd = -1; \
match[top].host = -1; \
match[top].runas = -1; \
match[top].nopass = -1; \
top++; \
}
#define pushcp \
{ \
if (top >= stacksize) { \
while ((stacksize += STACKINCREMENT) < top); \
match = (struct matchstack *) erealloc(match, sizeof(struct matchstack) * stacksize); \
} \
match[top].user = match[top-1].user; \
match[top].cmnd = match[top-1].cmnd; \
match[top].host = match[top-1].host; \
match[top].runas = match[top-1].runas; \
match[top].nopass = match[top-1].nopass; \
top++; \
}
#define pop \
{ \
if (top == 0) \
yyerror("matching stack underflow"); \
else \
top--; \
}
/*
* The stack for printmatches. A list of allowed commands for the user.
*/
static struct command_match *cm_list = NULL;
static size_t cm_list_len = 0, cm_list_size = 0;
/*
* List of Cmnd_Aliases and expansions for `sudo -l'
*/
static int in_alias = FALSE;
static size_t ga_list_len = 0, ga_list_size = 0;
static struct generic_alias *ga_list = NULL;
/*
* Protoypes
*/
extern int command_matches __P((char *, char *, char *, char *));
extern int addr_matches __P((char *));
extern int netgr_matches __P((char *, char *, char *));
extern int usergr_matches __P((char *, char *));
static int find_alias __P((char *, int));
static int add_alias __P((char *, int));
static int more_aliases __P((void));
static void append __P((char *, char **, size_t *, size_t *, int));
static void expand_ga_list __P((void));
static void expand_match_list __P((void));
void init_parser __P((void));
void yyerror __P((char *));
void
yyerror(s)
char *s;
{
/* save the line the first error occured on */
if (errorlineno == -1)
errorlineno = sudolineno ? sudolineno - 1 : 0;
#ifndef TRACELEXER
(void) fprintf(stderr, ">>> sudoers file: %s, line %d <<<\n", s,
sudolineno ? sudolineno - 1 : 0);
#else
(void) fprintf(stderr, "<*> ");
#endif
parse_error = TRUE;
}
#line 173 "parse.yacc"
typedef union {
char *string;
int BOOLEAN;
struct sudo_command command;
int tok;
} YYSTYPE;
#line 197 "sudo.tab.c"
#define ALIAS 257
#define NTWKADDR 258
#define FQHOST 259
#define NETGROUP 260
#define USERGROUP 261
#define NAME 262
#define RUNAS 263
#define NOPASSWD 264
#define PASSWD 265
#define COMMAND 266
#define COMMENT 267
#define ALL 268
#define HOSTALIAS 269
#define CMNDALIAS 270
#define USERALIAS 271
#define RUNASALIAS 272
#define ERROR 273
#define YYERRCODE 256
short yylhs[] = { -1,
0, 0, 3, 3, 5, 3, 3, 3, 3, 3,
6, 6, 11, 14, 16, 14, 15, 15, 15, 15,
15, 15, 13, 13, 17, 2, 20, 2, 18, 18,
21, 21, 22, 24, 22, 23, 23, 23, 23, 23,
19, 19, 19, 1, 1, 1, 8, 8, 26, 25,
12, 12, 9, 9, 28, 27, 29, 29, 10, 10,
31, 30, 7, 7, 33, 32, 34, 34, 35, 36,
35, 4, 4, 4, 4, 4,
};
short yylen[] = { 2,
1, 2, 1, 2, 0, 3, 2, 2, 2, 2,
1, 3, 3, 1, 0, 3, 1, 1, 1, 1,
1, 1, 1, 3, 3, 1, 0, 3, 0, 2,
1, 3, 1, 0, 3, 1, 1, 1, 1, 1,
0, 1, 1, 1, 1, 1, 1, 3, 0, 4,
1, 3, 1, 3, 0, 4, 1, 3, 1, 3,
0, 4, 1, 3, 0, 4, 1, 3, 1, 0,
3, 1, 1, 1, 1, 1,
};
short yydefred[] = { 0,
0, 3, 0, 0, 0, 0, 0, 1, 0, 4,
49, 0, 47, 55, 0, 53, 65, 0, 63, 61,
0, 59, 2, 75, 74, 73, 72, 76, 0, 0,
0, 0, 0, 0, 0, 0, 0, 22, 18, 21,
19, 20, 17, 15, 0, 11, 0, 51, 14, 0,
48, 0, 54, 0, 64, 0, 60, 0, 0, 0,
0, 0, 45, 46, 44, 27, 26, 57, 0, 70,
69, 0, 67, 39, 38, 37, 36, 40, 34, 0,
31, 33, 16, 12, 0, 0, 23, 0, 52, 0,
0, 0, 0, 0, 0, 0, 0, 42, 43, 0,
28, 58, 71, 68, 35, 32, 24, 25,
};
short yydgoto[] = { 7,
67, 68, 8, 71, 9, 45, 18, 12, 15, 21,
46, 47, 86, 48, 49, 58, 87, 88, 100, 90,
80, 81, 82, 94, 13, 30, 16, 32, 69, 22,
36, 19, 34, 72, 73, 92,
};
short yysindex[] = { -247,
-262, 0, -242, -223, -216, -215, -247, 0, -254, 0,
0, -37, 0, 0, -15, 0, 0, -13, 0, 0,
-12, 0, 0, 0, 0, 0, 0, 0, -33, -14,
-242, -11, -223, -10, -216, -8, -215, 0, 0, 0,
0, 0, 0, 0, -9, 0, -42, 0, 0, -33,
0, -2, 0, -29, 0, -20, 0, -33, -33, -209,
-33, 4, 0, 0, 0, 0, 0, 0, 11, 0,
0, 12, 0, 0, 0, 0, 0, 0, 0, 13,
0, 0, 0, 0, -20, 14, 0, -236, 0, -2,
-2, -29, -29, -20, -20, 13, -209, 0, 0, -2,
0, 0, 0, 0, 0, 0, 0, 0,
};
short yyrindex[] = { -224,
0, 0, 0, 0, 0, 0, -224, 0, 0, 0,
0, 86, 0, 0, 103, 0, 0, 120, 0, 0,
137, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 154, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, -21,
0, 1, 0, 0, 0, 0, 0, 0, 18, 0,
0, 35, 0, 0, 0, 0, 0, 0, 0, 52,
0, 0, 0, 0, 0, 69, 0, -1, 0, 0,
0, 0, 0, 0, 0, 163, -21, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
};
short yygindex[] = { 0,
0, -74, 53, 54, 0, 0, 0, 0, 0, 0,
2, 15, 0, -31, 0, 0, -35, 0, 0, 0,
-19, -84, 0, 0, 33, 0, 34, 0, 0, 31,
0, 36, 0, 0, -53, 0,
};
#define YYTABLESIZE 431
short yytable[] = { 44,
50, 61, 24, 70, 10, 25, 26, 27, 1, 105,
106, 29, 79, 28, 11, 101, 102, 56, 60, 2,
31, 3, 4, 5, 6, 108, 83, 98, 99, 89,
66, 41, 5, 14, 66, 5, 5, 5, 103, 104,
17, 20, 33, 5, 35, 37, 50, 61, 59, 52,
54, 62, 56, 85, 91, 93, 95, 97, 50, 23,
84, 107, 29, 51, 62, 96, 53, 57, 13, 0,
55, 0, 0, 0, 0, 56, 0, 0, 0, 0,
0, 0, 0, 0, 0, 8, 0, 0, 0, 0,
0, 0, 66, 0, 0, 0, 0, 0, 0, 0,
0, 0, 9, 0, 0, 0, 0, 0, 0, 62,
0, 0, 0, 0, 0, 0, 0, 0, 0, 7,
0, 0, 0, 0, 0, 0, 13, 0, 0, 0,
0, 0, 0, 0, 0, 0, 10, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 6, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 30, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 38, 39, 40, 41, 24, 42, 0,
25, 26, 27, 0, 43, 29, 74, 0, 28, 75,
76, 77, 29, 29, 29, 0, 29, 78, 0, 0,
0, 0, 0, 0, 63, 41, 50, 50, 0, 0,
50, 50, 50, 64, 41, 65, 41, 50, 50, 50,
50, 50, 50, 56, 56, 0, 0, 56, 56, 56,
0, 0, 0, 0, 56, 56, 56, 56, 56, 56,
66, 66, 0, 0, 66, 66, 66, 0, 0, 0,
0, 66, 66, 66, 66, 66, 66, 62, 62, 0,
0, 62, 62, 62, 0, 0, 0, 0, 62, 62,
62, 62, 62, 62, 13, 13, 0, 0, 13, 13,
13, 0, 0, 0, 0, 13, 13, 13, 13, 13,
13, 8, 8, 0, 0, 8, 8, 8, 0, 0,
0, 0, 8, 8, 8, 8, 8, 8, 9, 9,
0, 0, 9, 9, 9, 0, 0, 0, 0, 9,
9, 9, 9, 9, 9, 7, 7, 0, 0, 7,
7, 7, 0, 0, 0, 0, 7, 7, 7, 7,
7, 7, 10, 10, 0, 0, 10, 10, 10, 0,
0, 0, 0, 10, 10, 10, 10, 10, 10, 6,
6, 0, 0, 6, 6, 6, 0, 0, 0, 30,
6, 6, 6, 6, 6, 6, 30, 30, 30, 0,
30,
};
short yycheck[] = { 33,
0, 44, 257, 33, 267, 260, 261, 262, 256, 94,
95, 33, 33, 268, 257, 90, 91, 0, 61, 267,
58, 269, 270, 271, 272, 100, 58, 264, 265, 61,
33, 33, 257, 257, 0, 260, 261, 262, 92, 93,
257, 257, 58, 268, 58, 58, 61, 44, 58, 61,
61, 0, 61, 263, 44, 44, 44, 44, 58, 7,
59, 97, 9, 31, 50, 85, 33, 37, 0, -1,
35, -1, -1, -1, -1, 58, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 0, -1, -1, -1, -1,
-1, -1, 58, -1, -1, -1, -1, -1, -1, -1,
-1, -1, 0, -1, -1, -1, -1, -1, -1, 58,
-1, -1, -1, -1, -1, -1, -1, -1, -1, 0,
-1, -1, -1, -1, -1, -1, 58, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 0, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 0, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 33, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 257, 258, 259, 260, 257, 262, -1,
260, 261, 262, -1, 268, 257, 257, -1, 268, 260,
261, 262, 264, 265, 266, -1, 268, 268, -1, -1,
-1, -1, -1, -1, 257, 257, 256, 257, -1, -1,
260, 261, 262, 266, 266, 268, 268, 267, 268, 269,
270, 271, 272, 256, 257, -1, -1, 260, 261, 262,
-1, -1, -1, -1, 267, 268, 269, 270, 271, 272,
256, 257, -1, -1, 260, 261, 262, -1, -1, -1,
-1, 267, 268, 269, 270, 271, 272, 256, 257, -1,
-1, 260, 261, 262, -1, -1, -1, -1, 267, 268,
269, 270, 271, 272, 256, 257, -1, -1, 260, 261,
262, -1, -1, -1, -1, 267, 268, 269, 270, 271,
272, 256, 257, -1, -1, 260, 261, 262, -1, -1,
-1, -1, 267, 268, 269, 270, 271, 272, 256, 257,
-1, -1, 260, 261, 262, -1, -1, -1, -1, 267,
268, 269, 270, 271, 272, 256, 257, -1, -1, 260,
261, 262, -1, -1, -1, -1, 267, 268, 269, 270,
271, 272, 256, 257, -1, -1, 260, 261, 262, -1,
-1, -1, -1, 267, 268, 269, 270, 271, 272, 256,
257, -1, -1, 260, 261, 262, -1, -1, -1, 257,
267, 268, 269, 270, 271, 272, 264, 265, 266, -1,
268,
};
#define YYFINAL 7
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 273
#if YYDEBUG
char *yyname[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
"'!'",0,0,0,0,0,0,0,0,0,0,"','",0,"'.'",0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,"'='",0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"ALIAS",
"NTWKADDR","FQHOST","NETGROUP","USERGROUP","NAME","RUNAS","NOPASSWD","PASSWD",
"COMMAND","COMMENT","ALL","HOSTALIAS","CMNDALIAS","USERALIAS","RUNASALIAS",
"ERROR",
};
char *yyrule[] = {
"$accept : file",
"file : entry",
"file : file entry",
"entry : COMMENT",
"entry : error COMMENT",
"$$1 :",
"entry : $$1 user privileges",
"entry : USERALIAS useraliases",
"entry : HOSTALIAS hostaliases",
"entry : CMNDALIAS cmndaliases",
"entry : RUNASALIAS runasaliases",
"privileges : privilege",
"privileges : privileges ':' privilege",
"privilege : hostlist '=' cmndspeclist",
"ophostspec : hostspec",
"$$2 :",
"ophostspec : '!' $$2 ophostspec",
"hostspec : ALL",
"hostspec : NTWKADDR",
"hostspec : NETGROUP",
"hostspec : NAME",
"hostspec : FQHOST",
"hostspec : ALIAS",
"cmndspeclist : cmndspec",
"cmndspeclist : cmndspeclist ',' cmndspec",
"cmndspec : runasspec nopasswd opcmnd",
"opcmnd : cmnd",
"$$3 :",
"opcmnd : '!' $$3 opcmnd",
"runasspec :",
"runasspec : RUNAS runaslist",
"runaslist : oprunasuser",
"runaslist : runaslist ',' oprunasuser",
"oprunasuser : runasuser",
"$$4 :",
"oprunasuser : '!' $$4 oprunasuser",
"runasuser : NAME",
"runasuser : USERGROUP",
"runasuser : NETGROUP",
"runasuser : ALIAS",
"runasuser : ALL",
"nopasswd :",
"nopasswd : NOPASSWD",
"nopasswd : PASSWD",
"cmnd : ALL",
"cmnd : ALIAS",
"cmnd : COMMAND",
"hostaliases : hostalias",
"hostaliases : hostaliases ':' hostalias",
"$$5 :",
"hostalias : ALIAS $$5 '=' hostlist",
"hostlist : ophostspec",
"hostlist : hostlist ',' ophostspec",
"cmndaliases : cmndalias",
"cmndaliases : cmndaliases ':' cmndalias",
"$$6 :",
"cmndalias : ALIAS $$6 '=' cmndlist",
"cmndlist : opcmnd",
"cmndlist : cmndlist ',' opcmnd",
"runasaliases : runasalias",
"runasaliases : runasaliases ':' runasalias",
"$$7 :",
"runasalias : ALIAS $$7 '=' runaslist",
"useraliases : useralias",
"useraliases : useraliases ':' useralias",
"$$8 :",
"useralias : ALIAS $$8 '=' userlist",
"userlist : opuser",
"userlist : userlist ',' opuser",
"opuser : user",
"$$9 :",
"opuser : '!' $$9 opuser",
"user : NAME",
"user : USERGROUP",
"user : NETGROUP",
"user : ALIAS",
"user : ALL",
};
#endif
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 10000
#define YYMAXDEPTH 10000
#endif
#endif
#define YYINITSTACKSIZE 200
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short *yyss;
short *yysslim;
YYSTYPE *yyvs;
int yystacksize;
#line 662 "parse.yacc"
typedef struct {
int type;
char name[BUFSIZ];
} aliasinfo;
#define MOREALIASES (32)
aliasinfo *aliases = NULL;
size_t naliases = 0;
size_t nslots = 0;
/**********************************************************************
*
* aliascmp()
*
* This function compares two aliasinfo structures.
*/
static int
aliascmp(a1, a2)
const VOID *a1, *a2;
{
int r;
aliasinfo *ai1, *ai2;
ai1 = (aliasinfo *) a1;
ai2 = (aliasinfo *) a2;
r = strcmp(ai1->name, ai2->name);
if (r == 0)
r = ai1->type - ai2->type;
return(r);
}
/**********************************************************************
*
* genaliascmp()
*
* This function compares two generic_alias structures.
*/
static int
genaliascmp(entry, key)
const VOID *entry, *key;
{
struct generic_alias *ga1 = (struct generic_alias *) key;
struct generic_alias *ga2 = (struct generic_alias *) entry;
return(strcmp(ga1->alias, ga2->alias));
}
/**********************************************************************
*
* add_alias()
*
* This function adds the named alias of the specified type to the
* aliases list.
*/
static int
add_alias(alias, type)
char *alias;
int type;
{
aliasinfo ai, *aip;
char s[512];
int ok;
ok = FALSE; /* assume failure */
ai.type = type;
(void) strcpy(ai.name, alias);
if (lfind((VOID *)&ai, (VOID *)aliases, &naliases, sizeof(ai),
aliascmp) != NULL) {
(void) sprintf(s, "Alias `%.*s' already defined", (int) sizeof(s) - 25,
alias);
yyerror(s);
} else {
if (naliases >= nslots && !more_aliases()) {
(void) sprintf(s, "Out of memory defining alias `%.*s'",
(int) sizeof(s) - 32, alias);
yyerror(s);
}
aip = (aliasinfo *) lsearch((VOID *)&ai, (VOID *)aliases,
&naliases, sizeof(ai), aliascmp);
if (aip != NULL) {
ok = TRUE;
} else {
(void) sprintf(s, "Aliases corrupted defining alias `%.*s'",
(int) sizeof(s) - 36, alias);
yyerror(s);
}
}
return(ok);
}
/**********************************************************************
*
* find_alias()
*
* This function searches for the named alias of the specified type.
*/
static int
find_alias(alias, type)
char *alias;
int type;
{
aliasinfo ai;
(void) strcpy(ai.name, alias);
ai.type = type;
return(lfind((VOID *)&ai, (VOID *)aliases, &naliases,
sizeof(ai), aliascmp) != NULL);
}
/**********************************************************************
*
* more_aliases()
*
* This function allocates more space for the aliases list.
*/
static int
more_aliases()
{
nslots += MOREALIASES;
if (nslots == MOREALIASES)
aliases = (aliasinfo *) malloc(nslots * sizeof(aliasinfo));
else
aliases = (aliasinfo *) realloc(aliases, nslots * sizeof(aliasinfo));
return(aliases != NULL);
}
/**********************************************************************
*
* dumpaliases()
*
* This function lists the contents of the aliases list.
*/
void
dumpaliases()
{
size_t n;
for (n = 0; n < naliases; n++) {
switch (aliases[n].type) {
case HOST_ALIAS:
(void) puts("HOST_ALIAS");
break;
case CMND_ALIAS:
(void) puts("CMND_ALIAS");
break;
case USER_ALIAS:
(void) puts("USER_ALIAS");
break;
case RUNAS_ALIAS:
(void) puts("RUNAS_ALIAS");
break;
}
(void) printf("\t%s\n", aliases[n].name);
}
}
/**********************************************************************
*
* list_matches()
*
* This function lists the contents of cm_list and ga_list for
* `sudo -l'.
*/
void
list_matches()
{
int i;
char *p;
struct generic_alias *ga, key;
(void) puts("You may run the following commands on this host:");
for (i = 0; i < cm_list_len; i++) {
/* Print the runas list. */
(void) fputs(" ", stdout);
if (cm_list[i].runas) {
(void) putchar('(');
p = strtok(cm_list[i].runas, ":");
do {
if (p != cm_list[i].runas)
(void) fputs(", ", stdout);
key.alias = p;
if ((ga = (struct generic_alias *) lfind((VOID *) &key,
(VOID *) &ga_list[0], &ga_list_len, sizeof(key), genaliascmp)))
(void) fputs(ga->entries, stdout);
else
(void) fputs(p, stdout);
} while ((p = strtok(NULL, ":")));
(void) fputs(") ", stdout);
} else {
(void) fputs("(root) ", stdout);
}
/* Is a password required? */
if (cm_list[i].nopasswd == TRUE)
(void) fputs("NOPASSWD: ", stdout);
/* Print the actual command or expanded Cmnd_Alias. */
key.alias = cm_list[i].cmnd;
if ((ga = (struct generic_alias *) lfind((VOID *) &key,
(VOID *) &ga_list[0], &ga_list_len, sizeof(key), genaliascmp)))
(void) puts(ga->entries);
else
(void) puts(cm_list[i].cmnd);
}
/* Be nice and free up space now that we are done. */
for (i = 0; i < ga_list_len; i++) {
free(ga_list[i].alias);
free(ga_list[i].entries);
}
free(ga_list);
ga_list = NULL;
for (i = 0; i < cm_list_len; i++) {
free(cm_list[i].runas);
free(cm_list[i].cmnd);
}
free(cm_list);
cm_list = NULL;
cm_list_len = 0;
cm_list_size = 0;
}
/**********************************************************************
*
* append()
*
* This function appends a source string to the destination prefixing
* a separator if one is given.
*/
static void
append(src, dstp, dst_len, dst_size, separator)
char *src, **dstp;
size_t *dst_len, *dst_size;
int separator;
{
/* Only add the separator if *dstp is non-NULL. */
size_t src_len = strlen(src) + ((separator && *dstp) ? 1 : 0);
char *dst = *dstp;
/* Assumes dst will be NULL if not set. */
if (dst == NULL) {
dst = (char *) emalloc(BUFSIZ);
*dst_size = BUFSIZ;
*dst_len = 0;
*dstp = dst;
}
/* Allocate more space if necesary. */
if (*dst_size <= *dst_len + src_len) {
while (*dst_size <= *dst_len + src_len)
*dst_size += BUFSIZ;
dst = (char *) erealloc(dst, *dst_size);
*dstp = dst;
}
/* Copy src -> dst adding a separator char if appropriate and adjust len. */
dst += *dst_len;
if (separator && *dst_len)
*dst++ = (char) separator;
(void) strcpy(dst, src);
*dst_len += src_len;
}
/**********************************************************************
*
* reset_aliases()
*
* This function frees up space used by the aliases list and resets
* the associated counters.
*/
void
reset_aliases()
{
if (aliases) {
free(aliases);
aliases = NULL;
}
naliases = nslots = 0;
}
/**********************************************************************
*
* expand_ga_list()
*
* This function increments ga_list_len, allocating more space as necesary.
*/
static void
expand_ga_list()
{
if (++ga_list_len >= ga_list_size) {
while ((ga_list_size += STACKINCREMENT) < ga_list_len)
;
ga_list = (struct generic_alias *)
erealloc(ga_list, sizeof(struct generic_alias) * ga_list_size);
}
ga_list[ga_list_len - 1].entries = NULL;
}
/**********************************************************************
*
* expand_match_list()
*
* This function increments cm_list_len, allocating more space as necesary.
*/
static void
expand_match_list()
{
if (++cm_list_len >= cm_list_size) {
while ((cm_list_size += STACKINCREMENT) < cm_list_len)
;
if (cm_list == NULL)
cm_list_len = 0; /* start at 0 since it is a subscript */
cm_list = (struct command_match *)
erealloc(cm_list, sizeof(struct command_match) * cm_list_size);
}
cm_list[cm_list_len].runas = cm_list[cm_list_len].cmnd = NULL;
cm_list[cm_list_len].nopasswd = FALSE;
}
/**********************************************************************
*
* init_parser()
*
* This function frees up spaced used by a previous parse and
* allocates new space for various data structures.
*/
void
init_parser()
{
/* Free up old data structures if we run the parser more than once. */
if (match) {
free(match);
match = NULL;
top = 0;
parse_error = FALSE;
errorlineno = -1;
sudolineno = 1;
}
/* Allocate space for the matching stack. */
stacksize = STACKINCREMENT;
match = (struct matchstack *) emalloc(sizeof(struct matchstack) * stacksize);
/* Allocate space for the match list (for `sudo -l'). */
if (printmatches == TRUE)
expand_match_list();
}
#line 891 "sudo.tab.c"
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
#if defined(__cplusplus) || __STDC__
static int yygrowstack(void)
#else
static int yygrowstack()
#endif
{
int newsize, i;
short *newss;
YYSTYPE *newvs;
if ((newsize = yystacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return -1;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = yyssp - yyss;
newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :
(short *)malloc(newsize * sizeof *newss);
if (newss == NULL)
return -1;
yyss = newss;
yyssp = newss + i;
newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :
(YYSTYPE *)malloc(newsize * sizeof *newvs);
if (newvs == NULL)
return -1;
yyvs = newvs;
yyvsp = newvs + i;
yystacksize = newsize;
yysslim = yyss + newsize - 1;
return 0;
}
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
#if defined(__cplusplus) || __STDC__
yyparse(void)
#else
yyparse()
#endif
{
register int yym, yyn, yystate;
#if YYDEBUG
register char *yys;
if ((yys = getenv("YYDEBUG")))
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = (-1);
if (yyss == NULL && yygrowstack()) goto yyoverflow;
yyssp = yyss;
yyvsp = yyvs;
*yyssp = yystate = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yyssp >= yysslim && yygrowstack())
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
yychar = (-1);
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag) goto yyinrecovery;
#if defined(lint) || defined(__GNUC__)
goto yynewerror;
#endif
yynewerror:
yyerror("syntax error");
#if defined(lint) || defined(__GNUC__)
goto yyerrlab;
#endif
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
#endif
if (yyssp >= yysslim && yygrowstack())
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yyssp);
#endif
if (yyssp <= yyss) goto yyabort;
--yyssp;
--yyvsp;
}
}
}
else
{
if (yychar == 0) goto yyabort;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = (-1);
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
yyval = yyvsp[1-yym];
switch (yyn)
{
case 3:
#line 211 "parse.yacc"
{ ; }
break;
case 4:
#line 213 "parse.yacc"
{ yyerrok; }
break;
case 5:
#line 214 "parse.yacc"
{ push; }
break;
case 6:
#line 214 "parse.yacc"
{
while (top && user_matches != TRUE) {
pop;
}
}
break;
case 7:
#line 220 "parse.yacc"
{ ; }
break;
case 8:
#line 222 "parse.yacc"
{ ; }
break;
case 9:
#line 224 "parse.yacc"
{ ; }
break;
case 10:
#line 226 "parse.yacc"
{ ; }
break;
case 13:
#line 234 "parse.yacc"
{
/*
* We already did a push if necessary in
* cmndspec so just reset some values so
* the next 'privilege' gets a clean slate.
*/
host_matches = -1;
runas_matches = -1;
no_passwd = -1;
}
break;
case 15:
#line 247 "parse.yacc"
{
push;
}
break;
case 16:
#line 249 "parse.yacc"
{
pop;
if (host_matched == TRUE)
host_matches = FALSE;
else if (host_matched == FALSE)
host_matches = TRUE;
}
break;
case 17:
#line 257 "parse.yacc"
{
host_matches = TRUE;
}
break;
case 18:
#line 260 "parse.yacc"
{
if (addr_matches(yyvsp[0].string))
host_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 19:
#line 265 "parse.yacc"
{
if (netgr_matches(yyvsp[0].string, host, NULL))
host_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 20:
#line 270 "parse.yacc"
{
if (strcasecmp(shost, yyvsp[0].string) == 0)
host_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 21:
#line 275 "parse.yacc"
{
if (strcasecmp(host, yyvsp[0].string) == 0)
host_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 22:
#line 280 "parse.yacc"
{
/* could be an all-caps hostname */
if (find_alias(yyvsp[0].string, HOST_ALIAS) == TRUE ||
strcasecmp(shost, yyvsp[0].string) == 0)
host_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 25:
#line 293 "parse.yacc"
{
if (printmatches == TRUE &&
(runas_matches == -1 || cmnd_matches == -1)) {
cm_list[cm_list_len].runas_len = 0;
cm_list[cm_list_len].cmnd_len = 0;
cm_list[cm_list_len].nopasswd = FALSE;
}
/*
* Push the entry onto the stack if it is worth
* saving and clear match status.
*/
if (user_matches == TRUE && host_matches == TRUE &&
cmnd_matches != -1 && runas_matches == TRUE)
pushcp;
cmnd_matches = -1;
}
break;
case 26:
#line 311 "parse.yacc"
{ ; }
break;
case 27:
#line 312 "parse.yacc"
{
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append("!", &cm_list[cm_list_len].cmnd,
&cm_list[cm_list_len].cmnd_len,
&cm_list[cm_list_len].cmnd_size, 0);
push;
user_matches = TRUE;
host_matches = TRUE;
} else {
push;
}
}
break;
case 28:
#line 324 "parse.yacc"
{
pop;
if (cmnd_matched == TRUE)
cmnd_matches = FALSE;
else if (cmnd_matched == FALSE)
cmnd_matches = TRUE;
yyval.BOOLEAN = cmnd_matches;
}
break;
case 29:
#line 334 "parse.yacc"
{
/*
* If this is the first entry in a command list
* then check against RUNAS_DEFAULT.
*/
if (runas_matches == -1)
runas_matches =
(strcmp(RUNAS_DEFAULT, runas_user) == 0);
}
break;
case 30:
#line 343 "parse.yacc"
{ ; }
break;
case 33:
#line 350 "parse.yacc"
{
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE)
append("", &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, ':');
}
break;
case 34:
#line 357 "parse.yacc"
{
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append("!", &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, ':');
pushcp;
} else {
push;
}
}
break;
case 35:
#line 367 "parse.yacc"
{
pop;
if (runas_matched == TRUE)
runas_matches = FALSE;
else if (runas_matched == FALSE)
runas_matches = TRUE;
}
break;
case 36:
#line 375 "parse.yacc"
{
runas_matches = (strcmp(yyvsp[0].string, runas_user) == 0);
if (printmatches == TRUE && in_alias == TRUE)
append(yyvsp[0].string, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE)
append(yyvsp[0].string, &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, 0);
free(yyvsp[0].string);
}
break;
case 37:
#line 388 "parse.yacc"
{
runas_matches = usergr_matches(yyvsp[0].string, runas_user);
if (printmatches == TRUE && in_alias == TRUE)
append(yyvsp[0].string, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append(yyvsp[0].string, &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, 0);
}
free(yyvsp[0].string);
}
break;
case 38:
#line 402 "parse.yacc"
{
runas_matches = netgr_matches(yyvsp[0].string, NULL, runas_user);
if (printmatches == TRUE && in_alias == TRUE)
append(yyvsp[0].string, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append(yyvsp[0].string, &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, 0);
}
free(yyvsp[0].string);
}
break;
case 39:
#line 416 "parse.yacc"
{
/* could be an all-caps username */
if (find_alias(yyvsp[0].string, RUNAS_ALIAS) == TRUE ||
strcmp(yyvsp[0].string, runas_user) == 0)
runas_matches = TRUE;
else
runas_matches = FALSE;
if (printmatches == TRUE && in_alias == TRUE)
append(yyvsp[0].string, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE)
append(yyvsp[0].string, &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, 0);
free(yyvsp[0].string);
}
break;
case 40:
#line 434 "parse.yacc"
{
runas_matches = TRUE;
if (printmatches == TRUE && in_alias == TRUE)
append("ALL", &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE)
append("ALL", &cm_list[cm_list_len].runas,
&cm_list[cm_list_len].runas_len,
&cm_list[cm_list_len].runas_size, 0);
}
break;
case 41:
#line 448 "parse.yacc"
{
;
}
break;
case 42:
#line 451 "parse.yacc"
{
no_passwd = TRUE;
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE)
cm_list[cm_list_len].nopasswd = TRUE;
}
break;
case 43:
#line 457 "parse.yacc"
{
no_passwd = FALSE;
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE)
cm_list[cm_list_len].nopasswd = FALSE;
}
break;
case 44:
#line 465 "parse.yacc"
{
if (printmatches == TRUE && in_alias == TRUE) {
append("ALL", &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
}
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append("ALL", &cm_list[cm_list_len].cmnd,
&cm_list[cm_list_len].cmnd_len,
&cm_list[cm_list_len].cmnd_size, 0);
expand_match_list();
}
yyval.BOOLEAN = cmnd_matches = TRUE;
if (cmnd_safe)
free(cmnd_safe);
cmnd_safe = estrdup(cmnd);
}
break;
case 45:
#line 484 "parse.yacc"
{
if (printmatches == TRUE && in_alias == TRUE) {
append(yyvsp[0].string, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
}
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append(yyvsp[0].string, &cm_list[cm_list_len].cmnd,
&cm_list[cm_list_len].cmnd_len,
&cm_list[cm_list_len].cmnd_size, 0);
expand_match_list();
}
if (find_alias(yyvsp[0].string, CMND_ALIAS) == TRUE) {
cmnd_matches = TRUE;
yyval.BOOLEAN = TRUE;
}
free(yyvsp[0].string);
}
break;
case 46:
#line 503 "parse.yacc"
{
if (printmatches == TRUE && in_alias == TRUE) {
append(yyvsp[0].command.cmnd, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ',');
if (yyvsp[0].command.args)
append(yyvsp[0].command.args, &ga_list[ga_list_len-1].entries,
&ga_list[ga_list_len-1].entries_len,
&ga_list[ga_list_len-1].entries_size, ' ');
}
if (printmatches == TRUE && host_matches == TRUE &&
user_matches == TRUE) {
append(yyvsp[0].command.cmnd, &cm_list[cm_list_len].cmnd,
&cm_list[cm_list_len].cmnd_len,
&cm_list[cm_list_len].cmnd_size, 0);
if (yyvsp[0].command.args)
append(yyvsp[0].command.args, &cm_list[cm_list_len].cmnd,
&cm_list[cm_list_len].cmnd_len,
&cm_list[cm_list_len].cmnd_size, ' ');
expand_match_list();
}
/* if NewArgc > 1 pass ptr to 1st arg, else NULL */
if (command_matches(cmnd, (NewArgc > 1) ?
cmnd_args : NULL, yyvsp[0].command.cmnd, yyvsp[0].command.args)) {
cmnd_matches = TRUE;
yyval.BOOLEAN = TRUE;
}
free(yyvsp[0].command.cmnd);
if (yyvsp[0].command.args)
free(yyvsp[0].command.args);
}
break;
case 49:
#line 542 "parse.yacc"
{ push; }
break;
case 50:
#line 542 "parse.yacc"
{
if (host_matches == TRUE &&
add_alias(yyvsp[-3].string, HOST_ALIAS) == FALSE)
YYERROR;
pop;
}
break;
case 55:
#line 558 "parse.yacc"
{
push;
if (printmatches == TRUE) {
in_alias = TRUE;
/* Allocate space for ga_list if necesary. */
expand_ga_list();
ga_list[ga_list_len-1].alias = estrdup(yyvsp[0].string);
}
}
break;
case 56:
#line 566 "parse.yacc"
{
if (cmnd_matches == TRUE &&
add_alias(yyvsp[-3].string, CMND_ALIAS) == FALSE)
YYERROR;
pop;
free(yyvsp[-3].string);
if (printmatches == TRUE)
in_alias = FALSE;
}
break;
case 57:
#line 578 "parse.yacc"
{ ; }
break;
case 61:
#line 586 "parse.yacc"
{
push;
if (printmatches == TRUE) {
in_alias = TRUE;
/* Allocate space for ga_list if necesary. */
expand_ga_list();
ga_list[ga_list_len-1].alias = estrdup(yyvsp[0].string);
}
}
break;
case 62:
#line 594 "parse.yacc"
{
if (runas_matches > 0 &&
add_alias(yyvsp[-3].string, RUNAS_ALIAS) == FALSE)
YYERROR;
pop;
free(yyvsp[-3].string);
if (printmatches == TRUE)
in_alias = FALSE;
}
break;
case 65:
#line 610 "parse.yacc"
{ push; }
break;
case 66:
#line 610 "parse.yacc"
{
if (user_matches == TRUE &&
add_alias(yyvsp[-3].string, USER_ALIAS) == FALSE)
YYERROR;
pop;
free(yyvsp[-3].string);
}
break;
case 67:
#line 619 "parse.yacc"
{ ; }
break;
case 70:
#line 624 "parse.yacc"
{
push;
}
break;
case 71:
#line 626 "parse.yacc"
{
pop;
if (user_matched == TRUE)
user_matches = FALSE;
else if (user_matched == FALSE)
user_matches = TRUE;
}
break;
case 72:
#line 634 "parse.yacc"
{
if (strcmp(yyvsp[0].string, user_name) == 0)
user_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 73:
#line 639 "parse.yacc"
{
if (usergr_matches(yyvsp[0].string, user_name))
user_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 74:
#line 644 "parse.yacc"
{
if (netgr_matches(yyvsp[0].string, NULL, user_name))
user_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 75:
#line 649 "parse.yacc"
{
/* could be an all-caps username */
if (find_alias(yyvsp[0].string, USER_ALIAS) == TRUE ||
strcmp(yyvsp[0].string, user_name) == 0)
user_matches = TRUE;
free(yyvsp[0].string);
}
break;
case 76:
#line 656 "parse.yacc"
{
user_matches = TRUE;
}
break;
#line 1615 "sudo.tab.c"
}
yyssp -= yym;
yystate = *yyssp;
yyvsp -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yyssp = YYFINAL;
*++yyvsp = yyval;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == 0) goto yyaccept;
goto yyloop;
}
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yyssp, yystate);
#endif
if (yyssp >= yysslim && yygrowstack())
{
goto yyoverflow;
}
*++yyssp = yystate;
*++yyvsp = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
return (1);
yyaccept:
return (0);
}
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