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-rw-r--r--usr.bin/doas/parse.c868
1 files changed, 868 insertions, 0 deletions
diff --git a/usr.bin/doas/parse.c b/usr.bin/doas/parse.c
new file mode 100644
index 0000000..abebdb2
--- /dev/null
+++ b/usr.bin/doas/parse.c
@@ -0,0 +1,868 @@
+/* original parser id follows */
+/* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
+/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
+
+#define YYBYACC 1
+#define YYMAJOR 2
+#define YYMINOR 0
+#define YYPATCH 20200910
+
+#define YYEMPTY (-1)
+#define yyclearin (yychar = YYEMPTY)
+#define yyerrok (yyerrflag = 0)
+#define YYRECOVERING() (yyerrflag != 0)
+#define YYENOMEM (-2)
+#define YYEOF 0
+#define YYPREFIX "yy"
+
+#define YYPURE 0
+
+#line 19 "usr.bin/doas/parse.y"
+#include <sys/types.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <stdlib.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 74 "usr.bin/doas/parse.c"
+
+#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
+/* Default: YYSTYPE is the semantic value type. */
+typedef int YYSTYPE;
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+/* compatibility with bison */
+#ifdef YYPARSE_PARAM
+/* compatibility with FreeBSD */
+# ifdef YYPARSE_PARAM_TYPE
+# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
+# else
+# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
+# endif
+#else
+# define YYPARSE_DECL() yyparse(void)
+#endif
+
+/* Parameters sent to lex. */
+#ifdef YYLEX_PARAM
+# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
+# define YYLEX yylex(YYLEX_PARAM)
+#else
+# define YYLEX_DECL() yylex(void)
+# define YYLEX yylex()
+#endif
+
+#if !(defined(yylex) || defined(YYSTATE))
+int YYLEX_DECL();
+#endif
+
+/* Parameters sent to yyerror. */
+#ifndef YYERROR_DECL
+#define YYERROR_DECL() yyerror(const char *s)
+#endif
+#ifndef YYERROR_CALL
+#define YYERROR_CALL(msg) yyerror(msg)
+#endif
+
+extern int YYPARSE_DECL();
+
+#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
+typedef short YYINT;
+static const YYINT yylhs[] = { -1,
+ 0, 0, 0, 0, 1, 2, 2, 6, 6, 7,
+ 7, 7, 7, 8, 8, 3, 4, 4, 5, 5,
+ 9, 9,
+};
+static const YYINT yylen[] = { 2,
+ 0, 2, 3, 2, 4, 2, 1, 0, 2, 1,
+ 1, 1, 4, 0, 2, 1, 0, 2, 0, 3,
+ 0, 2,
+};
+static const YYINT 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,
+};
+static const YYINT yydgoto[] = { 2,
+ 7, 8, 12, 19, 23, 9, 17, 24, 29,
+};
+static const YYINT 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,
+};
+static const YYINT 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,
+};
+static const YYINT yygindex[] = { 0,
+ 0, 0, 0, 0, 0, 0, 0, -4, 0,
+};
+#define YYTABLESIZE 259
+static const YYINT 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,
+};
+static const YYINT 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
+#define YYUNDFTOKEN 278
+#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
+#if YYDEBUG
+static 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",0,0,0,
+0,0,0,0,0,0,0,0,"illegal-symbol",
+};
+static 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
+
+#if YYDEBUG
+int yydebug;
+#endif
+
+int yyerrflag;
+int yychar;
+YYSTYPE yyval;
+YYSTYPE yylval;
+int yynerrs;
+
+/* define the initial stack-sizes */
+#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
+
+typedef struct {
+ unsigned stacksize;
+ YYINT *s_base;
+ YYINT *s_mark;
+ YYINT *s_last;
+ YYSTYPE *l_base;
+ YYSTYPE *l_mark;
+} YYSTACKDATA;
+/* variables for the parser stack */
+static YYSTACKDATA yystack;
+#line 189 "usr.bin/doas/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, "%s", __func__);
+ yylval.str = str;
+ return TSTRING;
+
+eof:
+ if (ferror(yyfp))
+ yyerror("input error reading config");
+ return 0;
+}
+#line 456 "usr.bin/doas/parse.c"
+
+#if YYDEBUG
+#include <stdio.h> /* needed for printf */
+#endif
+
+#include <stdlib.h> /* needed for malloc, etc */
+#include <string.h> /* needed for memset */
+
+/* allocate initial stack or double stack size, up to YYMAXDEPTH */
+static int yygrowstack(YYSTACKDATA *data)
+{
+ int i;
+ unsigned newsize;
+ YYINT *newss;
+ YYSTYPE *newvs;
+
+ if ((newsize = data->stacksize) == 0)
+ newsize = YYINITSTACKSIZE;
+ else if (newsize >= YYMAXDEPTH)
+ return YYENOMEM;
+ else if ((newsize *= 2) > YYMAXDEPTH)
+ newsize = YYMAXDEPTH;
+
+ i = (int) (data->s_mark - data->s_base);
+ newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
+ if (newss == 0)
+ return YYENOMEM;
+
+ data->s_base = newss;
+ data->s_mark = newss + i;
+
+ newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
+ if (newvs == 0)
+ return YYENOMEM;
+
+ data->l_base = newvs;
+ data->l_mark = newvs + i;
+
+ data->stacksize = newsize;
+ data->s_last = data->s_base + newsize - 1;
+ return 0;
+}
+
+#if YYPURE || defined(YY_NO_LEAKS)
+static void yyfreestack(YYSTACKDATA *data)
+{
+ free(data->s_base);
+ free(data->l_base);
+ memset(data, 0, sizeof(*data));
+}
+#else
+#define yyfreestack(data) /* nothing */
+#endif
+
+#define YYABORT goto yyabort
+#define YYREJECT goto yyabort
+#define YYACCEPT goto yyaccept
+#define YYERROR goto yyerrlab
+
+int
+YYPARSE_DECL()
+{
+ int yym, yyn, yystate;
+#if YYDEBUG
+ const char *yys;
+
+ if ((yys = getenv("YYDEBUG")) != 0)
+ {
+ yyn = *yys;
+ if (yyn >= '0' && yyn <= '9')
+ yydebug = yyn - '0';
+ }
+#endif
+
+ yym = 0;
+ yyn = 0;
+ yynerrs = 0;
+ yyerrflag = 0;
+ yychar = YYEMPTY;
+ yystate = 0;
+
+#if YYPURE
+ memset(&yystack, 0, sizeof(yystack));
+#endif
+
+ if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
+ yystack.s_mark = yystack.s_base;
+ yystack.l_mark = yystack.l_base;
+ yystate = 0;
+ *yystack.s_mark = 0;
+
+yyloop:
+ if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
+ if (yychar < 0)
+ {
+ yychar = YYLEX;
+ if (yychar < 0) yychar = YYEOF;
+#if YYDEBUG
+ if (yydebug)
+ {
+ if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
+ printf("%sdebug: state %d, reading %d (%s)\n",
+ YYPREFIX, yystate, yychar, yys);
+ }
+#endif
+ }
+ if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: state %d, shifting to state %d\n",
+ YYPREFIX, yystate, yytable[yyn]);
+#endif
+ if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
+ yystate = yytable[yyn];
+ *++yystack.s_mark = yytable[yyn];
+ *++yystack.l_mark = yylval;
+ yychar = YYEMPTY;
+ if (yyerrflag > 0) --yyerrflag;
+ goto yyloop;
+ }
+ if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
+ {
+ yyn = yytable[yyn];
+ goto yyreduce;
+ }
+ if (yyerrflag != 0) goto yyinrecovery;
+
+ YYERROR_CALL("syntax error");
+
+ goto yyerrlab; /* redundant goto avoids 'unused label' warning */
+yyerrlab:
+ ++yynerrs;
+
+yyinrecovery:
+ if (yyerrflag < 3)
+ {
+ yyerrflag = 3;
+ for (;;)
+ {
+ if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: state %d, error recovery shifting\
+ to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
+#endif
+ if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
+ yystate = yytable[yyn];
+ *++yystack.s_mark = yytable[yyn];
+ *++yystack.l_mark = yylval;
+ goto yyloop;
+ }
+ else
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: error recovery discarding state %d\n",
+ YYPREFIX, *yystack.s_mark);
+#endif
+ if (yystack.s_mark <= yystack.s_base) goto yyabort;
+ --yystack.s_mark;
+ --yystack.l_mark;
+ }
+ }
+ }
+ else
+ {
+ if (yychar == YYEOF) goto yyabort;
+#if YYDEBUG
+ if (yydebug)
+ {
+ if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
+ printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
+ YYPREFIX, yystate, yychar, yys);
+ }
+#endif
+ yychar = YYEMPTY;
+ 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 > 0)
+ yyval = yystack.l_mark[1-yym];
+ else
+ memset(&yyval, 0, sizeof yyval);
+
+ switch (yyn)
+ {
+case 5:
+#line 85 "usr.bin/doas/parse.y"
+ {
+ struct rule *r;
+ r = calloc(1, sizeof(*r));
+ if (!r)
+ errx(1, "can't allocate rule");
+ r->action = yystack.l_mark[-3].action;
+ r->options = yystack.l_mark[-3].options;
+ r->envlist = yystack.l_mark[-3].envlist;
+ r->ident = yystack.l_mark[-2].str;
+ r->target = yystack.l_mark[-1].str;
+ r->cmd = yystack.l_mark[0].cmd;
+ r->cmdargs = yystack.l_mark[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 109 "usr.bin/doas/parse.y"
+ {
+ yyval.action = PERMIT;
+ yyval.options = yystack.l_mark[0].options;
+ yyval.envlist = yystack.l_mark[0].envlist;
+ }
+break;
+case 7:
+#line 113 "usr.bin/doas/parse.y"
+ {
+ yyval.action = DENY;
+ yyval.options = 0;
+ yyval.envlist = NULL;
+ }
+break;
+case 8:
+#line 119 "usr.bin/doas/parse.y"
+ {
+ yyval.options = 0;
+ yyval.envlist = NULL;
+ }
+break;
+case 9:
+#line 122 "usr.bin/doas/parse.y"
+ {
+ yyval.options = yystack.l_mark[-1].options | yystack.l_mark[0].options;
+ yyval.envlist = yystack.l_mark[-1].envlist;
+ if ((yyval.options & (NOPASS|PERSIST)) == (NOPASS|PERSIST)) {
+ yyerror("can't combine nopass and persist");
+ YYERROR;
+ }
+ if (yystack.l_mark[0].envlist) {
+ if (yyval.envlist) {
+ yyerror("can't have two setenv sections");
+ YYERROR;
+ } else
+ yyval.envlist = yystack.l_mark[0].envlist;
+ }
+ }
+break;
+case 10:
+#line 137 "usr.bin/doas/parse.y"
+ {
+ yyval.options = NOPASS;
+ yyval.envlist = NULL;
+ }
+break;
+case 11:
+#line 140 "usr.bin/doas/parse.y"
+ {
+ yyval.options = PERSIST;
+ yyval.envlist = NULL;
+ }
+break;
+case 12:
+#line 143 "usr.bin/doas/parse.y"
+ {
+ yyval.options = KEEPENV;
+ yyval.envlist = NULL;
+ }
+break;
+case 13:
+#line 146 "usr.bin/doas/parse.y"
+ {
+ yyval.options = 0;
+ yyval.envlist = yystack.l_mark[-1].strlist;
+ }
+break;
+case 14:
+#line 151 "usr.bin/doas/parse.y"
+ {
+ if (!(yyval.strlist = calloc(1, sizeof(char *))))
+ errx(1, "can't allocate strlist");
+ }
+break;
+case 15:
+#line 154 "usr.bin/doas/parse.y"
+ {
+ int nstr = arraylen(yystack.l_mark[-1].strlist);
+ if (!(yyval.strlist = reallocarray(yystack.l_mark[-1].strlist, nstr + 2,
+ sizeof(char *))))
+ errx(1, "can't allocate strlist");
+ yyval.strlist[nstr] = yystack.l_mark[0].str;
+ yyval.strlist[nstr + 1] = NULL;
+ }
+break;
+case 16:
+#line 164 "usr.bin/doas/parse.y"
+ {
+ yyval.str = yystack.l_mark[0].str;
+ }
+break;
+case 17:
+#line 168 "usr.bin/doas/parse.y"
+ {
+ yyval.str = NULL;
+ }
+break;
+case 18:
+#line 170 "usr.bin/doas/parse.y"
+ {
+ yyval.str = yystack.l_mark[0].str;
+ }
+break;
+case 19:
+#line 174 "usr.bin/doas/parse.y"
+ {
+ yyval.cmd = NULL;
+ yyval.cmdargs = NULL;
+ }
+break;
+case 20:
+#line 177 "usr.bin/doas/parse.y"
+ {
+ yyval.cmd = yystack.l_mark[-1].str;
+ yyval.cmdargs = yystack.l_mark[0].cmdargs;
+ }
+break;
+case 21:
+#line 182 "usr.bin/doas/parse.y"
+ {
+ yyval.cmdargs = NULL;
+ }
+break;
+case 22:
+#line 184 "usr.bin/doas/parse.y"
+ {
+ yyval.cmdargs = yystack.l_mark[0].strlist;
+ }
+break;
+#line 812 "usr.bin/doas/parse.c"
+ }
+ yystack.s_mark -= yym;
+ yystate = *yystack.s_mark;
+ yystack.l_mark -= 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;
+ *++yystack.s_mark = YYFINAL;
+ *++yystack.l_mark = yyval;
+ if (yychar < 0)
+ {
+ yychar = YYLEX;
+ if (yychar < 0) yychar = YYEOF;
+#if YYDEBUG
+ if (yydebug)
+ {
+ if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
+ printf("%sdebug: state %d, reading %d (%s)\n",
+ YYPREFIX, YYFINAL, yychar, yys);
+ }
+#endif
+ }
+ if (yychar == YYEOF) goto yyaccept;
+ goto yyloop;
+ }
+ if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) 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, *yystack.s_mark, yystate);
+#endif
+ if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
+ *++yystack.s_mark = (YYINT) yystate;
+ *++yystack.l_mark = yyval;
+ goto yyloop;
+
+yyoverflow:
+ YYERROR_CALL("yacc stack overflow");
+
+yyabort:
+ yyfreestack(&yystack);
+ return (1);
+
+yyaccept:
+ yyfreestack(&yystack);
+ return (0);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 01:21:33 +0000