const char **cmdargs;
const char **envlist;
};
+ const char **strlist;
const char *str;
};
int lineno;
FILE *yyfp;
struct rule **rules;
-int nrules, maxrules;
+int nrules;
+static int maxrules;
+
int parse_errors = 0;
-void yyerror(const char *, ...);
-int yylex(void);
-int yyparse(void);
+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;
+}
%}
%token TPERMIT TDENY TAS TCMD TARGS
-%token TNOPASS TKEEPENV
+%token TNOPASS TPERSIST TKEEPENV TSETENV
%token TSTRING
%%
$$.envlist = $2.envlist;
} | TDENY {
$$.action = DENY;
+ $$.options = 0;
+ $$.envlist = NULL;
} ;
options: /* none */ {
} | options option {
$$.options = $1.options | $2.options;
$$.envlist = $1.envlist;
+ if (($$.options & (NOPASS|PERSIST)) == (NOPASS|PERSIST)) {
+ yyerror("can't combine nopass and persist");
+ YYERROR;
+ }
if ($2.envlist) {
if ($$.envlist) {
- yyerror("can't have two keepenv sections");
+ yyerror("can't have two setenv sections");
YYERROR;
} else
$$.envlist = $2.envlist;
option: TNOPASS {
$$.options = NOPASS;
$$.envlist = NULL;
+ } | TPERSIST {
+ $$.options = PERSIST;
+ $$.envlist = NULL;
} | TKEEPENV {
$$.options = KEEPENV;
$$.envlist = NULL;
- } | TKEEPENV '{' envlist '}' {
- $$.options = KEEPENV;
- $$.envlist = $3.envlist;
+ } | TSETENV '{' strlist '}' {
+ $$.options = 0;
+ $$.envlist = $3.strlist;
} ;
-envlist: /* empty */ {
- $$.envlist = NULL;
- } | envlist TSTRING {
- int nenv = arraylen($1.envlist);
- if (!($$.envlist = reallocarray($1.envlist, nenv + 2,
+strlist: /* empty */ {
+ if (!($$.strlist = calloc(1, sizeof(char *))))
+ errx(1, "can't allocate strlist");
+ } | strlist TSTRING {
+ int nstr = arraylen($1.strlist);
+ if (!($$.strlist = reallocarray($1.strlist, nstr + 2,
sizeof(char *))))
- errx(1, "can't allocate envlist");
- $$.envlist[nenv] = $2.str;
- $$.envlist[nenv + 1] = NULL;
- }
+ errx(1, "can't allocate strlist");
+ $$.strlist[nstr] = $2.str;
+ $$.strlist[nstr + 1] = NULL;
+ } ;
ident: TSTRING {
args: /* empty */ {
$$.cmdargs = NULL;
- } | TARGS argslist {
- $$.cmdargs = $2.cmdargs;
- } ;
-
-argslist: /* empty */ {
- $$.cmdargs = NULL;
- } | argslist TSTRING {
- int nargs = arraylen($1.cmdargs);
- if (!($$.cmdargs = reallocarray($1.cmdargs, nargs + 2,
- sizeof(char *))))
- errx(1, "can't allocate args");
- $$.cmdargs[nargs] = $2.str;
- $$.cmdargs[nargs + 1] = NULL;
+ } | TARGS strlist {
+ $$.cmdargs = $2.strlist;
} ;
%%
parse_errors++;
}
-struct keyword {
+static struct keyword {
const char *word;
int token;
} keywords[] = {
{ "cmd", TCMD },
{ "args", TARGS },
{ "nopass", TNOPASS },
+ { "persist", TPERSIST },
{ "keepenv", TKEEPENV },
+ { "setenv", TSETENV },
};
int