Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/doas/parse.c	Lines:	154	177	87.0 %
Date:	2017-11-07	Branches:	82	129	63.6 %


#include <stdlib.h>
#include <string.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 19 "parse.y"
#include <sys/types.h>
#include <ctype.h>
#include <unistd.h>
#include <stdint.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <err.h>

#include "doas.h"

typedef struct {
	union {
		struct {
			int action;
			int options;
			const char *cmd;
			const char **cmdargs;
			const char **envlist;
		};
		const char **strlist;
		const char *str;
	};
	int lineno;
	int colno;
} yystype;
#define YYSTYPE yystype

FILE *yyfp;

struct rule **rules;
int nrules;
static int maxrules;

int parse_errors = 0;

static void yyerror(const char *, ...);
static int yylex(void);

static size_t
arraylen(const char **arr)
{
	size_t cnt = 0;

	while (*arr) {
		cnt++;
		arr++;
	}
	return cnt;
}

#line 65 "parse.c"
#define TPERMIT 257
#define TDENY 258
#define TAS 259
#define TCMD 260
#define TARGS 261
#define TNOPASS 262
#define TPERSIST 263
#define TKEEPENV 264
#define TSETENV 265
#define TSTRING 266
#define YYERRCODE 256
const short yylhs[] =
	{                                        -1,
    0,    0,    0,    0,    1,    2,    2,    6,    6,    7,
    7,    7,    7,    8,    8,    3,    4,    4,    5,    5,
    9,    9,
};
const short yylen[] =
	{                                         2,
    0,    2,    3,    2,    4,    2,    1,    0,    2,    1,
    1,    1,    4,    0,    2,    1,    0,    2,    0,    3,
    0,    2,
};
const short yydefred[] =
	{                                      0,
    0,    0,    4,    8,    7,    2,    0,    0,    0,    3,
   16,    0,   10,   11,   12,    0,    9,    0,    0,   14,
   18,    0,    5,    0,    0,   15,   13,   14,   20,    0,
};
const short yydgoto[] =
	{                                       2,
    7,    8,   12,   19,   23,    9,   17,   24,   29,
};
const short yysindex[] =
	{                                   -253,
   -1,   -6,    0,    0,    0,    0,    2, -256, -257,    0,
    0, -246,    0,    0,    0, -109,    0, -251, -244,    0,
    0, -249,    0, -123, -243,    0,    0,    0,    0, -247,};
const short yyrindex[] =
	{                                      1,
    0,    0,    0,    0,    0,    0,    0,    0, -245,    0,
    0,  -10,    0,    0,    0,    0,    0,    0,   10,    0,
    0,    0,    0,    0,   12,    0,    0,    0,    0,   13,};
const short yygindex[] =
	{                                      0,
    0,    0,    0,    0,    0,    0,    0,   -4,    0,
};
#define YYTABLESIZE 259
const short yytable[] =
	{                                      17,
    1,   27,    1,    6,   13,   14,   15,   16,    3,   11,
    1,   10,   18,   20,   21,   22,   25,   28,   26,   19,
    6,   21,   22,   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,    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,   26,    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,   17,
    4,    5,    0,    0,    0,    0,    0,    1,    1,
};
const short yycheck[] =
	{                                      10,
    0,  125,  256,   10,  262,  263,  264,  265,   10,  266,
   10,   10,  259,  123,  266,  260,  266,  261,  266,   10,
  266,   10,   10,   28,   -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,   -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,   -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,  266,   -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,   -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,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,  260,
  257,  258,   -1,   -1,   -1,   -1,   -1,  257,  258,
};
#define YYFINAL 2
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 266
#if YYDEBUG
const char * const yyname[] =
	{
"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",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,"TPERMIT","TDENY",
"TAS","TCMD","TARGS","TNOPASS","TPERSIST","TKEEPENV","TSETENV","TSTRING",
};
const char * const yyrule[] =
	{"$accept : grammar",
"grammar :",
"grammar : grammar '\\n'",
"grammar : grammar rule '\\n'",
"grammar : error '\\n'",
"rule : action ident target cmd",
"action : TPERMIT options",
"action : TDENY",
"options :",
"options : options option",
"option : TNOPASS",
"option : TPERSIST",
"option : TKEEPENV",
"option : TSETENV '{' strlist '}'",
"strlist :",
"strlist : strlist TSTRING",
"ident : TSTRING",
"target :",
"target : TAS TSTRING",
"cmd :",
"cmd : TCMD TSTRING args",
"args :",
"args : TARGS strlist",
};
#endif
#ifndef YYSTYPE
typedef int YYSTYPE;
#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
/* LINTUSED */
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short *yyss;
short *yysslim;
YYSTYPE *yyvs;
unsigned int yystacksize;
int yyparse(void);
#line 188 "parse.y"

void
yyerror(const char *fmt, ...)
{
	va_list va;

	fprintf(stderr, "doas: ");
	va_start(va, fmt);
	vfprintf(stderr, fmt, va);
	va_end(va);
	fprintf(stderr, " at line %d\n", yylval.lineno + 1);
	parse_errors++;
}

static struct keyword {
	const char *word;
	int token;
} keywords[] = {
	{ "deny", TDENY },
	{ "permit", TPERMIT },
	{ "as", TAS },
	{ "cmd", TCMD },
	{ "args", TARGS },
	{ "nopass", TNOPASS },
	{ "persist", TPERSIST },
	{ "keepenv", TKEEPENV },
	{ "setenv", TSETENV },
};

int
yylex(void)
{
	char buf[1024], *ebuf, *p, *str;
	int i, c, quotes = 0, escape = 0, qpos = -1, nonkw = 0;

	p = buf;
	ebuf = buf + sizeof(buf);

repeat:
	/* skip whitespace first */
	for (c = getc(yyfp); c == ' ' || c == '\t'; c = getc(yyfp))
		yylval.colno++;

	/* check for special one-character constructions */
	switch (c) {
		case '\n':
			yylval.colno = 0;
			yylval.lineno++;
			/* FALLTHROUGH */
		case '{':
		case '}':
			return c;
		case '#':
			/* skip comments; NUL is allowed; no continuation */
			while ((c = getc(yyfp)) != '\n')
				if (c == EOF)
					goto eof;
			yylval.colno = 0;
			yylval.lineno++;
			return c;
		case EOF:
			goto eof;
	}

	/* parsing next word */
	for (;; c = getc(yyfp), yylval.colno++) {
		switch (c) {
		case '\0':
			yyerror("unallowed character NUL in column %d",
			    yylval.colno + 1);
			escape = 0;
			continue;
		case '\\':
			escape = !escape;
			if (escape)
				continue;
			break;
		case '\n':
			if (quotes)
				yyerror("unterminated quotes in column %d",
				    qpos + 1);
			if (escape) {
				nonkw = 1;
				escape = 0;
				yylval.colno = 0;
				yylval.lineno++;
				continue;
			}
			goto eow;
		case EOF:
			if (escape)
				yyerror("unterminated escape in column %d",
				    yylval.colno);
			if (quotes)
				yyerror("unterminated quotes in column %d",
				    qpos + 1);
			goto eow;
			/* FALLTHROUGH */
		case '{':
		case '}':
		case '#':
		case ' ':
		case '\t':
			if (!escape && !quotes)
				goto eow;
			break;
		case '"':
			if (!escape) {
				quotes = !quotes;
				if (quotes) {
					nonkw = 1;
					qpos = yylval.colno;
				}
				continue;
			}
		}
		*p++ = c;
		if (p == ebuf) {
			yyerror("too long line");
			p = buf;
		}
		escape = 0;
	}

eow:
	*p = 0;
	if (c != EOF)
		ungetc(c, yyfp);
	if (p == buf) {
		/*
		 * There could be a number of reasons for empty buffer,
		 * and we handle all of them here, to avoid cluttering
		 * the main loop.
		 */
		if (c == EOF)
			goto eof;
		else if (qpos == -1)    /* accept, e.g., empty args: cmd foo args "" */
			goto repeat;
	}
	if (!nonkw) {
		for (i = 0; i < sizeof(keywords) / sizeof(keywords[0]); i++) {
			if (strcmp(buf, keywords[i].word) == 0)
				return keywords[i].token;
		}
	}
	if ((str = strdup(buf)) == NULL)
		err(1, "strdup");
	yylval.str = str;
	return TSTRING;

eof:
	if (ferror(yyfp))
		yyerror("input error reading config");
	return 0;
}
#line 392 "parse.c"
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
static int yygrowstack(void)
{
    unsigned int newsize;
    long sslen;
    short *newss;
    YYSTYPE *newvs;

    if ((newsize = yystacksize) == 0)
        newsize = YYINITSTACKSIZE;
    else if (newsize >= YYMAXDEPTH)
        return -1;
    else if ((newsize *= 2) > YYMAXDEPTH)
        newsize = YYMAXDEPTH;
    sslen = yyssp - yyss;
#ifdef SIZE_MAX
#define YY_SIZE_MAX SIZE_MAX
#else
#define YY_SIZE_MAX 0xffffffffU
#endif
    if (newsize && YY_SIZE_MAX / newsize < sizeof *newss)
        goto bail;
    newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :
      (short *)malloc(newsize * sizeof *newss); /* overflow check above */
    if (newss == NULL)
        goto bail;
    yyss = newss;
    yyssp = newss + sslen;
    if (newsize && YY_SIZE_MAX / newsize < sizeof *newvs)
        goto bail;
    newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :
      (YYSTYPE *)malloc(newsize * sizeof *newvs); /* overflow check above */
    if (newvs == NULL)
        goto bail;
    yyvs = newvs;
    yyvsp = newvs + sslen;
    yystacksize = newsize;
    yysslim = yyss + newsize - 1;
    return 0;
bail:
    if (yyss)
            free(yyss);
    if (yyvs)
            free(yyvs);
    yyss = yyssp = NULL;
    yyvs = yyvsp = NULL;
    yystacksize = 0;
    return -1;
}

#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
yyparse(void)
{
    int yym, yyn, yystate;
#if YYDEBUG
    const char *yys;

    if ((yys = getenv("YYDEBUG")))
    {
        yyn = *yys;
        if (yyn >= '0' && yyn <= '9')
            yydebug = yyn - '0';
    }
#endif /* YYDEBUG */

    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(__GNUC__)
    goto yynewerror;
#endif
yynewerror:
    yyerror("syntax error");
#if 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];
    if (yym)
        yyval = yyvsp[1-yym];
    else
        memset(&yyval, 0, sizeof yyval);
    switch (yyn)
    {
case 5:
#line 84 "parse.y"
{
			struct rule *r;
			r = calloc(1, sizeof(*r));
			if (!r)
				errx(1, "can't allocate rule");
			r->action = yyvsp[-3].action;
			r->options = yyvsp[-3].options;
			r->envlist = yyvsp[-3].envlist;
			r->ident = yyvsp[-2].str;
			r->target = yyvsp[-1].str;
			r->cmd = yyvsp[0].cmd;
			r->cmdargs = yyvsp[0].cmdargs;
			if (nrules == maxrules) {
				if (maxrules == 0)
					maxrules = 63;
				else
					maxrules *= 2;
				if (!(rules = reallocarray(rules, maxrules,
				    sizeof(*rules))))
					errx(1, "can't allocate rules");
			}
			rules[nrules++] = r;
		}
break;
case 6:
#line 108 "parse.y"
{
			yyval.action = PERMIT;
			yyval.options = yyvsp[0].options;
			yyval.envlist = yyvsp[0].envlist;
		}
break;
case 7:
#line 112 "parse.y"
{
			yyval.action = DENY;
			yyval.options = 0;
			yyval.envlist = NULL;
		}
break;
case 8:
#line 118 "parse.y"
{
			yyval.options = 0;
			yyval.envlist = NULL;
		}
break;
case 9:
#line 121 "parse.y"
{
			yyval.options = yyvsp[-1].options | yyvsp[0].options;
			yyval.envlist = yyvsp[-1].envlist;
			if ((yyval.options & (NOPASS|PERSIST)) == (NOPASS|PERSIST)) {
				yyerror("can't combine nopass and persist");
				YYERROR;
			}
			if (yyvsp[0].envlist) {
				if (yyval.envlist) {
					yyerror("can't have two setenv sections");
					YYERROR;
				} else
					yyval.envlist = yyvsp[0].envlist;
			}
		}
break;
case 10:
#line 136 "parse.y"
{
			yyval.options = NOPASS;
			yyval.envlist = NULL;
		}
break;
case 11:
#line 139 "parse.y"
{
			yyval.options = PERSIST;
			yyval.envlist = NULL;
		}
break;
case 12:
#line 142 "parse.y"
{
			yyval.options = KEEPENV;
			yyval.envlist = NULL;
		}
break;
case 13:
#line 145 "parse.y"
{
			yyval.options = 0;
			yyval.envlist = yyvsp[-1].strlist;
		}
break;
case 14:
#line 150 "parse.y"
{
			if (!(yyval.strlist = calloc(1, sizeof(char *))))
				errx(1, "can't allocate strlist");
		}
break;
case 15:
#line 153 "parse.y"
{
			int nstr = arraylen(yyvsp[-1].strlist);
			if (!(yyval.strlist = reallocarray(yyvsp[-1].strlist, nstr + 2,
			    sizeof(char *))))
				errx(1, "can't allocate strlist");
			yyval.strlist[nstr] = yyvsp[0].str;
			yyval.strlist[nstr + 1] = NULL;
		}
break;
case 16:
#line 163 "parse.y"
{
			yyval.str = yyvsp[0].str;
		}
break;
case 17:
#line 167 "parse.y"
{
			yyval.str = NULL;
		}
break;
case 18:
#line 169 "parse.y"
{
			yyval.str = yyvsp[0].str;
		}
break;
case 19:
#line 173 "parse.y"
{
			yyval.cmd = NULL;
			yyval.cmdargs = NULL;
		}
break;
case 20:
#line 176 "parse.y"
{
			yyval.cmd = yyvsp[-1].str;
			yyval.cmdargs = yyvsp[0].cmdargs;
		}
break;
case 21:
#line 181 "parse.y"
{
			yyval.cmdargs = NULL;
		}
break;
case 22:
#line 183 "parse.y"
{
			yyval.cmdargs = yyvsp[0].strlist;
		}
break;
#line 743 "parse.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:
    if (yyss)
            free(yyss);
    if (yyvs)
            free(yyvs);
    yyss = yyssp = NULL;
    yyvs = yyvsp = NULL;
    yystacksize = 0;
    return (1);
yyaccept:
    if (yyss)
            free(yyss);
    if (yyvs)
            free(yyvs);
    yyss = yyssp = NULL;
    yyvs = yyvsp = NULL;
    yystacksize = 0;
    return (0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			#include <stdlib.h>
2			#include <string.h>
3			#define YYBYACC 1
4			#define YYMAJOR 1
5			#define YYMINOR 9
6			#define YYLEX yylex()
7			#define YYEMPTY -1
8			#define yyclearin (yychar=(YYEMPTY))
9			#define yyerrok (yyerrflag=0)
10			#define YYRECOVERING() (yyerrflag!=0)
11			#define YYPREFIX "yy"
12			#line 19 "parse.y"
13			#include <sys/types.h>
14			#include <ctype.h>
15			#include <unistd.h>
16			#include <stdint.h>
17			#include <stdarg.h>
18			#include <stdio.h>
19			#include <string.h>
20			#include <err.h>
21
22			#include "doas.h"
23
24			typedef struct {
25			union {
26			struct {
27			int action;
28			int options;
29			const char *cmd;
30			const char **cmdargs;
31			const char **envlist;
32			};
33			const char **strlist;
34			const char *str;
35			};
36			int lineno;
37			int colno;
38			} yystype;
39			#define YYSTYPE yystype
40
41			FILE *yyfp;
42
43			struct rule **rules;
44			int nrules;
45			static int maxrules;
46
47			int parse_errors = 0;
48
49			static void yyerror(const char *, ...);
50			static int yylex(void);
51
52			static size_t
53			arraylen(const char **arr)
54			{
55			size_t cnt = 0;
56
57			while (*arr) {
58			cnt++;
59			arr++;
60			}
61			return cnt;
62			}
63
64			#line 65 "parse.c"
65			#define TPERMIT 257
66			#define TDENY 258
67			#define TAS 259
68			#define TCMD 260
69			#define TARGS 261
70			#define TNOPASS 262
71			#define TPERSIST 263
72			#define TKEEPENV 264
73			#define TSETENV 265
74			#define TSTRING 266
75			#define YYERRCODE 256
76			const short yylhs[] =
77			{ -1,
78			0, 0, 0, 0, 1, 2, 2, 6, 6, 7,
79			7, 7, 7, 8, 8, 3, 4, 4, 5, 5,
80			9, 9,
81			};
82			const short yylen[] =
83			{ 2,
84			0, 2, 3, 2, 4, 2, 1, 0, 2, 1,
85			1, 1, 4, 0, 2, 1, 0, 2, 0, 3,
86		135	0, 2,
87	✗✓	135	};
88			const short yydefred[] =
89		135	{ 0,
90		135	0, 0, 4, 8, 7, 2, 0, 0, 0, 3,
91		135	16, 0, 10, 11, 12, 0, 9, 0, 0, 14,
92		135	18, 0, 5, 0, 0, 15, 13, 14, 20, 0,
93		135	};
94		135	const short yydgoto[] =
95		135	{ 2,
96	✓✓	135	7, 8, 12, 19, 23, 9, 17, 24, 29,
97		36	};
98			const short yysindex[] =
99			{ -253,
100		18	-1, -6, 0, 0, 0, 0, 2, -256, -257, 0,
101	✗✓	18	0, -246, 0, 0, 0, -109, 0, -251, -244, 0,
102			0, -249, 0, -123, -243, 0, 0, 0, 0, -247,};
103			const short yyrindex[] =
104			{ 1,
105		135	0, 0, 0, 0, 0, 0, 0, 0, -245, 0,
106			0, -10, 0, 0, 0, 0, 0, 0, 10, 0,
107		135	0, 0, 0, 0, 12, 0, 0, 0, 0, 13,};
108			const short yygindex[] =
109		126	{ 0,
110		126	0, 0, 0, 0, 0, 0, 0, -4, 0,
111		126	};
112			#define YYTABLESIZE 259
113		144	const short yytable[] =
114		18	{ 17,
115		18	1, 27, 1, 6, 13, 14, 15, 16, 3, 11,
116			1, 10, 18, 20, 21, 22, 25, 28, 26, 19,
117		18	6, 21, 22, 30, 0, 0, 0, 0, 0, 0,
118			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
119		126	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
120		126	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
121			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
122		153	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
123		27	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
124	✗✓	27	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
125			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
126			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
127			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
128	✓✓	27	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
129	✗✓	9	0, 0, 26, 0, 0, 0, 0, 0, 0, 0,
130			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
131			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
132			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
133		9	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
134		9	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
135			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
136			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
137		18	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
138		18	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
139			0, 0, 0, 0, 0, 0, 0, 0, 0, 17,
140		18	4, 5, 0, 0, 0, 0, 0, 1, 1,
141			};
142			const short yycheck[] =
143			{ 10,
144			0, 125, 256, 10, 262, 263, 264, 265, 10, 266,
145			10, 10, 259, 123, 266, 260, 266, 261, 266, 10,
146		9	266, 10, 10, 28, -1, -1, -1, -1, -1, -1,
147		9	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
148			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
149		9	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
150			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
151	✗✓	54	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
152			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
153			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
154		270	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
155	✗✓	270	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
156			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
157			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
158		270	-1, -1, 266, -1, -1, -1, -1, -1, -1, -1,
159		270	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
160			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
161		270	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
162			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
163			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
164		144	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
165			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
166		144	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
167			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
168		144	-1, -1, -1, -1, -1, -1, -1, -1, -1, 260,
169			257, 258, -1, -1, -1, -1, -1, 257, 258,
170		144	};
171			#define YYFINAL 2
172			#ifndef YYDEBUG
173			#define YYDEBUG 0
174		45	#endif
175		45	#define YYMAXTOKEN 266
176			#if YYDEBUG
177		135	const char * const yyname[] =
178		90	{
179			"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
180		90	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,
181			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,
182		45	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,
183			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,
184		90	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,
185			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,"TPERMIT","TDENY",
186		45	"TAS","TCMD","TARGS","TNOPASS","TPERSIST","TKEEPENV","TSETENV","TSTRING",
187			};
188			const char * const yyrule[] =
189			{"$accept : grammar",
190			"grammar :",
191			"grammar : grammar '\\n'",
192			"grammar : grammar rule '\\n'",
193			"grammar : error '\\n'",
194			"rule : action ident target cmd",
195			"action : TPERMIT options",
196			"action : TDENY",
197			"options :",
198			"options : options option",
199			"option : TNOPASS",
200			"option : TPERSIST",
201			"option : TKEEPENV",
202			"option : TSETENV '{' strlist '}'",
203			"strlist :",
204			"strlist : strlist TSTRING",
205			"ident : TSTRING",
206			"target :",
207			"target : TAS TSTRING",
208			"cmd :",
209			"cmd : TCMD TSTRING args",
210			"args :",
211			"args : TARGS strlist",
212			};
213			#endif
214			#ifndef YYSTYPE
215			typedef int YYSTYPE;
216			#endif
217			#ifdef YYSTACKSIZE
218			#undef YYMAXDEPTH
219			#define YYMAXDEPTH YYSTACKSIZE
220			#else
221			#ifdef YYMAXDEPTH
222			#define YYSTACKSIZE YYMAXDEPTH
223			#else
224			#define YYSTACKSIZE 10000
225			#define YYMAXDEPTH 10000
226			#endif
227			#endif
228			#define YYINITSTACKSIZE 200
229			/* LINTUSED */
230			int yydebug;
231			int yynerrs;
232			int yyerrflag;
233			int yychar;
234			short *yyssp;
235			YYSTYPE *yyvsp;
236			YYSTYPE yyval;
237			YYSTYPE yylval;
238			short *yyss;
239			short *yysslim;
240			YYSTYPE *yyvs;
241			unsigned int yystacksize;
242			int yyparse(void);
243			#line 188 "parse.y"
244
245			void
246			yyerror(const char *fmt, ...)
247			{
248			va_list va;
249
250			fprintf(stderr, "doas: ");
251			va_start(va, fmt);
252			vfprintf(stderr, fmt, va);
253			va_end(va);
254			fprintf(stderr, " at line %d\n", yylval.lineno + 1);
255			parse_errors++;
256			}
257
258			static struct keyword {
259			const char *word;
260			int token;
261			} keywords[] = {
262			{ "deny", TDENY },
263			{ "permit", TPERMIT },
264			{ "as", TAS },
265			{ "cmd", TCMD },
266			{ "args", TARGS },
267			{ "nopass", TNOPASS },
268			{ "persist", TPERSIST },
269			{ "keepenv", TKEEPENV },
270			{ "setenv", TSETENV },
271			};
272
273			int
274			yylex(void)
275			{
276			char buf[1024], ebuf, p, *str;
277			int i, c, quotes = 0, escape = 0, qpos = -1, nonkw = 0;
278
279			p = buf;
280			ebuf = buf + sizeof(buf);
281
282			repeat:
283			/* skip whitespace first */
284			for (c = getc(yyfp); c == ' ' \|\| c == '\t'; c = getc(yyfp))
285			yylval.colno++;
286
287			/* check for special one-character constructions */
288			switch (c) {
289			case '\n':
290			yylval.colno = 0;
291			yylval.lineno++;
292			/* FALLTHROUGH */
293			case '{':
294			case '}':
295			return c;
296			case '#':
297			/* skip comments; NUL is allowed; no continuation */
298			while ((c = getc(yyfp)) != '\n')
299			if (c == EOF)
300			goto eof;
301			yylval.colno = 0;
302			yylval.lineno++;
303			return c;
304			case EOF:
305			goto eof;
306			}
307
308			/* parsing next word */
309			for (;; c = getc(yyfp), yylval.colno++) {
310			switch (c) {
311			case '\0':
312			yyerror("unallowed character NUL in column %d",
313			yylval.colno + 1);
314			escape = 0;
315			continue;
316			case '\\':
317			escape = !escape;
318			if (escape)
319			continue;
320			break;
321			case '\n':
322			if (quotes)
323			yyerror("unterminated quotes in column %d",
324			qpos + 1);
325			if (escape) {
326			nonkw = 1;
327			escape = 0;
328			yylval.colno = 0;
329			yylval.lineno++;
330			continue;
331			}
332			goto eow;
333			case EOF:
334			if (escape)
335			yyerror("unterminated escape in column %d",
336			yylval.colno);
337			if (quotes)
338			yyerror("unterminated quotes in column %d",
339			qpos + 1);
340			goto eow;
341			/* FALLTHROUGH */
342			case '{':
343			case '}':
344			case '#':
345			case ' ':
346			case '\t':
347			if (!escape && !quotes)
348			goto eow;
349			break;
350			case '"':
351			if (!escape) {
352			quotes = !quotes;
353			if (quotes) {
354			nonkw = 1;
355			qpos = yylval.colno;
356			}
357			continue;
358			}
359			}
360			*p++ = c;
361			if (p == ebuf) {
362			yyerror("too long line");
363			p = buf;
364			}
365			escape = 0;
366			}
367
368			eow:
369			*p = 0;
370			if (c != EOF)
371			ungetc(c, yyfp);
372			if (p == buf) {
373			/*
374			* There could be a number of reasons for empty buffer,
375			* and we handle all of them here, to avoid cluttering
376			* the main loop.
377			*/
378			if (c == EOF)
379			goto eof;
380			else if (qpos == -1) /* accept, e.g., empty args: cmd foo args "" */
381			goto repeat;
382			}
383			if (!nonkw) {
384			for (i = 0; i < sizeof(keywords) / sizeof(keywords[0]); i++) {
385			if (strcmp(buf, keywords[i].word) == 0)
386			return keywords[i].token;
387			}
388			}
389			if ((str = strdup(buf)) == NULL)
390			err(1, "strdup");
391			yylval.str = str;
392			return TSTRING;
393
394			eof:
395			if (ferror(yyfp))
396			yyerror("input error reading config");
397			return 0;
398			}
399			#line 392 "parse.c"
400	✓✗	36	/* allocate initial stack or double stack size, up to YYMAXDEPTH */
401		18	static int yygrowstack(void)
402			{
403			unsigned int newsize;
404			long sslen;
405			short *newss;
406		18	YYSTYPE *newvs;
407
408			if ((newsize = yystacksize) == 0)
409			newsize = YYINITSTACKSIZE;
410			else if (newsize >= YYMAXDEPTH)
411			return -1;
412	✓✗✓✗	36	else if ((newsize *= 2) > YYMAXDEPTH)
413			newsize = YYMAXDEPTH;
414	✗✓	36	sslen = yyssp - yyss;
415		18	#ifdef SIZE_MAX
416	✓✗	18	#define YY_SIZE_MAX SIZE_MAX
417			#else
418		18	#define YY_SIZE_MAX 0xffffffffU
419		18	#endif
420	✓✗✓✗	36	if (newsize && YY_SIZE_MAX / newsize < sizeof *newss)
421			goto bail;
422	✗✓	36	newss = yyss ? (short )realloc(yyss, newsize sizeof *newss) :
423		18	(short )malloc(newsize sizeof newss); / overflow check above */
424	✓✗	18	if (newss == NULL)
425			goto bail;
426		18	yyss = newss;
427		18	yyssp = newss + sslen;
428		18	if (newsize && YY_SIZE_MAX / newsize < sizeof *newvs)
429		18	goto bail;
430		18	newvs = yyvs ? (YYSTYPE )realloc(yyvs, newsize sizeof *newvs) :
431			(YYSTYPE )malloc(newsize sizeof newvs); / overflow check above */
432			if (newvs == NULL)
433			goto bail;
434			yyvs = newvs;
435			yyvsp = newvs + sslen;
436			yystacksize = newsize;
437			yysslim = yyss + newsize - 1;
438			return 0;
439			bail:
440		18	if (yyss)
441			free(yyss);
442			if (yyvs)
443			free(yyvs);
444			yyss = yyssp = NULL;
445			yyvs = yyvsp = NULL;
446			yystacksize = 0;
447			return -1;
448			}
449
450			#define YYABORT goto yyabort
451			#define YYREJECT goto yyabort
452			#define YYACCEPT goto yyaccept
453			#define YYERROR goto yyerrlab
454			int
455			yyparse(void)
456			{
457			int yym, yyn, yystate;
458			#if YYDEBUG
459			const char *yys;
460
461		36	if ((yys = getenv("YYDEBUG")))
462		18	{
463		18	yyn = *yys;
464			if (yyn >= '0' && yyn <= '9')
465	✓✗✓✗	36	yydebug = yyn - '0';
466		18	}
467		18	#endif /* YYDEBUG */
468		18
469			yynerrs = 0;
470			yyerrflag = 0;
471	✓✓	2520	yychar = (-1);
472	✓✓	1458
473			if (yyss == NULL && yygrowstack()) goto yyoverflow;
474		864	yyssp = yyss;
475			yyvsp = yyvs;
476			*yyssp = yystate = 0;
477
478			yyloop:
479			if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
480			if (yychar < 0)
481			{
482			if ((yychar = yylex()) < 0) yychar = 0;
483			#if YYDEBUG
484			if (yydebug)
485		864	{
486	✓✗✓✓ ✓✓	5634	yys = 0;
487		2718	if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
488			if (!yys) yys = "illegal-symbol";
489			printf("%sdebug: state %d, reading %d (%s)\n",
490			YYPREFIX, yystate, yychar, yys);
491			}
492			#endif
493			}
494	✗✓✗✗	1017	if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
495			yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
496			{
497			#if YYDEBUG
498		1017	if (yydebug)
499		1017	printf("%sdebug: state %d, shifting to state %d\n",
500		1017	YYPREFIX, yystate, yytable[yyn]);
501	✓✗	1017	#endif
502			if (yyssp >= yysslim && yygrowstack())
503			{
504	✓✓✓✗ ✓✓	1737	goto yyoverflow;
505		864	}
506			*++yyssp = yystate = yytable[yyn];
507		423	*++yyvsp = yylval;
508		423	yychar = (-1);
509			if (yyerrflag > 0) --yyerrflag;
510	✓✓	18	goto yyloop;
511			}
512			if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
513			yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
514			{
515		9	yyn = yytable[yyn];
516			goto yyreduce;
517		9	}
518			if (yyerrflag) goto yyinrecovery;
519			#if defined(__GNUC__)
520		9	goto yynewerror;
521			#endif
522	✓✓	18	yynewerror:
523			yyerror("syntax error");
524		9	#if defined(__GNUC__)
525		63	goto yyerrlab;
526			#endif
527	✓✗✓✗ ✓✓	252	yyerrlab:
528		126	++yynerrs;
529			yyinrecovery:
530			if (yyerrflag < 3)
531			{
532			yyerrflag = 3;
533			for (;;)
534			{
535	✗✓✗✗	9	if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
536			yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
537			{
538			#if YYDEBUG
539		9	if (yydebug)
540		9	printf("%sdebug: state %d, error recovery shifting\
541		9	to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
542			#endif
543			if (yyssp >= yysslim && yygrowstack())
544			{
545			goto yyoverflow;
546			}
547			*++yyssp = yystate = yytable[yyn];
548			*++yyvsp = yylval;
549			goto yyloop;
550	✓✗	54	}
551		54	else
552		54	{
553			#if YYDEBUG
554			if (yydebug)
555			printf("%sdebug: error recovery discarding state %d\n",
556			YYPREFIX, *yyssp);
557			#endif
558	✗✓	9	if (yyssp <= yyss) goto yyabort;
559			--yyssp;
560			--yyvsp;
561			}
562			}
563			}
564			else
565			{
566			if (yychar == 0) goto yyabort;
567			#if YYDEBUG
568			if (yydebug)
569			{
570			yys = 0;
571			if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
572			if (!yys) yys = "illegal-symbol";
573			printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
574			YYPREFIX, yystate, yychar, yys);
575			}
576			#endif
577			yychar = (-1);
578		1485	goto yyloop;
579	✓✓	1485	}
580		1053	yyreduce:
581			#if YYDEBUG
582		432	if (yydebug)
583	✓✓✓✓ ✓✓✗✗ ✓✓✓✓ ✓✗✓✓ ✓✓✓	2781	printf("%sdebug: state %d, reducing by rule %d (%s)\n",
584			YYPREFIX, yystate, yyn, yyrule[yyn]);
585			#endif
586			yym = yylen[yyn];
587			if (yym)
588			yyval = yyvsp[1-yym];
589			else
590			memset(&yyval, 0, sizeof yyval);
591			switch (yyn)
592			{
593			case 5:
594			#line 84 "parse.y"
595			{
596			struct rule *r;
597			r = calloc(1, sizeof(*r));
598			if (!r)
599			errx(1, "can't allocate rule");
600			r->action = yyvsp[-3].action;
601			r->options = yyvsp[-3].options;
602			r->envlist = yyvsp[-3].envlist;
603			r->ident = yyvsp[-2].str;
604			r->target = yyvsp[-1].str;
605			r->cmd = yyvsp[0].cmd;
606			r->cmdargs = yyvsp[0].cmdargs;
607			if (nrules == maxrules) {
608			if (maxrules == 0)
609			maxrules = 63;
610			else
611			maxrules *= 2;
612			if (!(rules = reallocarray(rules, maxrules,
613			sizeof(*rules))))
614			errx(1, "can't allocate rules");
615			}
616			rules[nrules++] = r;
617			}
618			break;
619			case 6:
620			#line 108 "parse.y"
621			{
622			yyval.action = PERMIT;
623			yyval.options = yyvsp[0].options;
624			yyval.envlist = yyvsp[0].envlist;
625			}
626			break;
627			case 7:
628			#line 112 "parse.y"
629			{
630			yyval.action = DENY;
631			yyval.options = 0;
632			yyval.envlist = NULL;
633			}
634			break;
635			case 8:
636			#line 118 "parse.y"
637			{
638			yyval.options = 0;
639			yyval.envlist = NULL;
640			}
641			break;
642			case 9:
643			#line 121 "parse.y"
644			{
645			yyval.options = yyvsp[-1].options \| yyvsp[0].options;
646			yyval.envlist = yyvsp[-1].envlist;
647			if ((yyval.options & (NOPASS\|PERSIST)) == (NOPASS\|PERSIST)) {
648			yyerror("can't combine nopass and persist");
649			YYERROR;
650			}
651			if (yyvsp[0].envlist) {
652			if (yyval.envlist) {
653			yyerror("can't have two setenv sections");
654			YYERROR;
655			} else
656			yyval.envlist = yyvsp[0].envlist;
657			}
658			}
659			break;
660			case 10:
661			#line 136 "parse.y"
662			{
663			yyval.options = NOPASS;
664			yyval.envlist = NULL;
665			}
666			break;
667			case 11:
668			#line 139 "parse.y"
669			{
670			yyval.options = PERSIST;
671			yyval.envlist = NULL;
672			}
673			break;
674			case 12:
675			#line 142 "parse.y"
676			{
677			yyval.options = KEEPENV;
678			yyval.envlist = NULL;
679			}
680			break;
681			case 13:
682			#line 145 "parse.y"
683			{
684			yyval.options = 0;
685			yyval.envlist = yyvsp[-1].strlist;
686			}
687			break;
688			case 14:
689			#line 150 "parse.y"
690			{
691			if (!(yyval.strlist = calloc(1, sizeof(char *))))
692			errx(1, "can't allocate strlist");
693			}
694			break;
695			case 15:
696			#line 153 "parse.y"
697			{
698			int nstr = arraylen(yyvsp[-1].strlist);
699			if (!(yyval.strlist = reallocarray(yyvsp[-1].strlist, nstr + 2,
700			sizeof(char *))))
701			errx(1, "can't allocate strlist");
702			yyval.strlist[nstr] = yyvsp[0].str;
703			yyval.strlist[nstr + 1] = NULL;
704			}
705			break;
706			case 16:
707			#line 163 "parse.y"
708			{
709			yyval.str = yyvsp[0].str;
710			}
711			break;
712			case 17:
713			#line 167 "parse.y"
714			{
715			yyval.str = NULL;
716			}
717			break;
718			case 18:
719			#line 169 "parse.y"
720			{
721			yyval.str = yyvsp[0].str;
722			}
723			break;
724			case 19:
725			#line 173 "parse.y"
726			{
727			yyval.cmd = NULL;
728			yyval.cmdargs = NULL;
729			}
730			break;
731			case 20:
732			#line 176 "parse.y"
733			{
734			yyval.cmd = yyvsp[-1].str;
735			yyval.cmdargs = yyvsp[0].cmdargs;
736			}
737			break;
738			case 21:
739			#line 181 "parse.y"
740			{
741			yyval.cmdargs = NULL;
742			}
743			break;
744		1485	case 22:
745		1485	#line 183 "parse.y"
746		1485	{
747		1485	yyval.cmdargs = yyvsp[0].strlist;
748	✓✓	1485	}
749			break;
750			#line 743 "parse.c"
751			}
752			yyssp -= yym;
753			yystate = *yyssp;
754			yyvsp -= yym;
755			yym = yylhs[yyn];
756		189	if (yystate == 0 && yym == 0)
757		189	{
758	✓✓	189	#if YYDEBUG
759			if (yydebug)
760		171	printf("%sdebug: after reduction, shifting from state 0 to\
761			state %d\n", YYPREFIX, YYFINAL);
762			#endif
763			yystate = YYFINAL;
764			*++yyssp = YYFINAL;
765			*++yyvsp = yyval;
766			if (yychar < 0)
767			{
768			if ((yychar = yylex()) < 0) yychar = 0;
769			#if YYDEBUG
770			if (yydebug)
771		171	{
772	✓✓	189	yys = 0;
773			if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
774			if (!yys) yys = "illegal-symbol";
775	✓✓✓✗ ✓✓	2268	printf("%sdebug: state %d, reading %d (%s)\n",
776		648	YYPREFIX, YYFINAL, yychar, yys);
777		90	}
778			#endif
779		1206	}
780			if (yychar == 0) goto yyaccept;
781			goto yyloop;
782			}
783			if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
784			yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
785	✗✓✗✗	1296	yystate = yytable[yyn];
786			else
787			yystate = yydgoto[yym];
788			#if YYDEBUG
789		1296	if (yydebug)
790		1296	printf("%sdebug: after reduction, shifting from state %d \
791		1296	to state %d\n", YYPREFIX, *yyssp, yystate);
792			#endif
793			if (yyssp >= yysslim && yygrowstack())
794			{
795	✓✗	9	goto yyoverflow;
796		9	}
797	✓✗	9	*++yyssp = yystate;
798		9	*++yyvsp = yyval;
799		9	goto yyloop;
800		9	yyoverflow:
801		9	yyerror("yacc stack overflow");
802		9	yyabort:
803			if (yyss)
804	✓✗	9	free(yyss);
805		9	if (yyvs)
806	✓✗	9	free(yyvs);
807		9	yyss = yyssp = NULL;
808		9	yyvs = yyvsp = NULL;
809		9	yystacksize = 0;
810		9	return (1);
811		9	yyaccept:
812		18	if (yyss)
813			free(yyss);
814			if (yyvs)
815			free(yyvs);
816			yyss = yyssp = NULL;
817			yyvs = yyvsp = NULL;
818			yystacksize = 0;
819			return (0);
820			}