X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=misc%2Fssfilter.y;fp=misc%2Fssfilter.y;h=0000000000000000000000000000000000000000;hp=8be53680897a1c42e94d3967566e7f9e268da3da;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994

diff --git a/misc/ssfilter.y b/misc/ssfilter.y
deleted file mode 100644
index 8be5368..0000000
--- a/misc/ssfilter.y
+++ /dev/null
@@ -1,275 +0,0 @@
-%{
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <malloc.h>
-#include <string.h>
-#include "ssfilter.h"
-
-typedef struct ssfilter * ssfilter_t;
-
-#define YYSTYPE ssfilter_t
-
-static struct ssfilter * alloc_node(int type, void *pred)
-{
-	struct ssfilter *n = malloc(sizeof(*n));
-	if (n == NULL)
-		abort();
-	n->type = type;
-	n->pred = pred;
-	n->post = NULL;
-	return n;
-}
-
-static char		**yy_argv;
-static int		yy_argc;
-static FILE		*yy_fp;
-static ssfilter_t	*yy_ret;
-
-static int yylex(void);
-
-static void yyerror(char *s)
-{
-	fprintf(stderr, "ss: bison bellows (while parsing filter): \"%s!\"", s);
-}
-
-%}
-
-%token HOSTCOND DCOND SCOND DPORT SPORT LEQ GEQ NEQ AUTOBOUND
-%left '|'
-%left '&'
-%nonassoc '!'
-
-%%
-applet: null expr
-        {
-                *yy_ret = $2;
-                $$ = $2;
-        }
-        | null
-        ;
-null:   /* NOTHING */ { $$ = NULL; }
-        ;
-expr:	DCOND HOSTCOND
-        {
-		$$ = alloc_node(SSF_DCOND, $2);
-        }
-        | SCOND HOSTCOND
-        { 
-		$$ = alloc_node(SSF_SCOND, $2);
-        }
-        | DPORT GEQ HOSTCOND
-        {
-                $$ = alloc_node(SSF_D_GE, $3);
-        }
-        | DPORT LEQ HOSTCOND
-        {
-                $$ = alloc_node(SSF_D_LE, $3);
-        }
-        | DPORT '>' HOSTCOND
-        {
-                $$ = alloc_node(SSF_NOT, alloc_node(SSF_D_LE, $3));
-        }
-        | DPORT '<' HOSTCOND
-        {
-                $$ = alloc_node(SSF_NOT, alloc_node(SSF_D_GE, $3));
-        }
-        | DPORT '=' HOSTCOND
-        {
-		$$ = alloc_node(SSF_DCOND, $3);
-        }
-        | DPORT NEQ HOSTCOND
-        {
-		$$ = alloc_node(SSF_NOT, alloc_node(SSF_DCOND, $3));
-        }
-
-        | SPORT GEQ HOSTCOND
-        {
-                $$ = alloc_node(SSF_S_GE, $3);
-        }
-        | SPORT LEQ HOSTCOND
-        {
-                $$ = alloc_node(SSF_S_LE, $3);
-        }
-        | SPORT '>' HOSTCOND
-        {
-                $$ = alloc_node(SSF_NOT, alloc_node(SSF_S_LE, $3));
-        }
-        | SPORT '<' HOSTCOND
-        {
-                $$ = alloc_node(SSF_NOT, alloc_node(SSF_S_GE, $3));
-        }
-        | SPORT '=' HOSTCOND
-        {
-		$$ = alloc_node(SSF_SCOND, $3);
-        }
-        | SPORT NEQ HOSTCOND
-        {
-		$$ = alloc_node(SSF_NOT, alloc_node(SSF_SCOND, $3));
-        }
-
-        | AUTOBOUND
-        {
-                $$ = alloc_node(SSF_S_AUTO, NULL);
-        }
-        | expr '|' expr
-        {
-                $$ = alloc_node(SSF_OR, $1);
-	        $$->post = $3;
-        }
-        | expr expr
-        {
-                $$ = alloc_node(SSF_AND, $1);
-	        $$->post = $2;
-        }
-        | expr '&' expr
-
-        {
-                $$ = alloc_node(SSF_AND, $1);
-	        $$->post = $3;
-        }
-        | '!' expr
-        {
-                $$ = alloc_node(SSF_NOT, $2);
-        }
-        | '(' expr ')'
-        {
-                $$ = $2;
-        }
-;
-%%
-
-static char *get_token_from_line(char **ptr)
-{
-	char *tok, *cp = *ptr;
-
-	while (*cp == ' ' || *cp == '\t') cp++;
-
-	if (*cp == 0) {
-		*ptr = cp;
-		return NULL;
-	}
-
-	tok = cp;
-
-	while (*cp != 0 && *cp != ' ' && *cp != '\t') {
-		/* Backslash escapes everything. */
-		if (*cp == '\\') {
-			char *tp;
-			for (tp = cp; tp != tok; tp--)
-				*tp = *(tp-1);
-			cp++;
-			tok++;
-			if (*cp == 0)
-				break;
-		}
-		cp++;
-	}
-	if (*cp)
-		*cp++ = 0;
-	*ptr = cp;
-	return tok;
-}
-
-int yylex(void)
-{
-	static char argbuf[1024];
-	static char *tokptr = argbuf;
-	static int argc;
-	char *curtok;
-
-	do {
-		while (*tokptr == 0) {
-			tokptr = NULL;
-			if (argc < yy_argc) {
-				tokptr = yy_argv[argc];
-				argc++;
-			} else if (yy_fp) {
-				while (tokptr == NULL) {
-					if (fgets(argbuf, sizeof(argbuf)-1, yy_fp) == NULL)
-						return 0;
-					argbuf[sizeof(argbuf)-1] = 0;
-					if (strlen(argbuf) == sizeof(argbuf) - 1) {
-						fprintf(stderr, "Too long line in filter");
-						exit(-1);
-					}
-					if (argbuf[strlen(argbuf)-1] == '\n')
-						argbuf[strlen(argbuf)-1] = 0;
-					if (argbuf[0] == '#' || argbuf[0] == '0')
-						continue;
-					tokptr = argbuf;
-				}
-			} else {
-				return 0;
-			}
-		}
-	} while ((curtok = get_token_from_line(&tokptr)) == NULL);
-
-	if (strcmp(curtok, "!") == 0 ||
-	    strcmp(curtok, "not") == 0)
-		return '!';
-	if (strcmp(curtok, "&") == 0 ||
-	    strcmp(curtok, "&&") == 0 ||
-	    strcmp(curtok, "and") == 0)
-		return '&';
-	if (strcmp(curtok, "|") == 0 ||
-	    strcmp(curtok, "||") == 0 ||
-	    strcmp(curtok, "or") == 0)
-		return '|';
-	if (strcmp(curtok, "(") == 0)
-		return '(';
-	if (strcmp(curtok, ")") == 0)
-		return ')';
-	if (strcmp(curtok, "dst") == 0)
-		return DCOND;
-	if (strcmp(curtok, "src") == 0)
-		return SCOND;
-	if (strcmp(curtok, "dport") == 0)
-		return DPORT;
-	if (strcmp(curtok, "sport") == 0)
-		return SPORT;
-	if (strcmp(curtok, ">=") == 0 ||
-	    strcmp(curtok, "ge") == 0 ||
-	    strcmp(curtok, "geq") == 0)
-		return GEQ;
-	if (strcmp(curtok, "<=") == 0 ||
-	    strcmp(curtok, "le") == 0 ||
-	    strcmp(curtok, "leq") == 0)
-		return LEQ;
-	if (strcmp(curtok, "!=") == 0 ||
-	    strcmp(curtok, "ne") == 0 ||
-	    strcmp(curtok, "neq") == 0)
-		return NEQ;
-	if (strcmp(curtok, "=") == 0 ||
-	    strcmp(curtok, "==") == 0 ||
-	    strcmp(curtok, "eq") == 0)
-		return '=';
-	if (strcmp(curtok, ">") == 0 ||
-	    strcmp(curtok, "gt") == 0)
-		return '>';
-	if (strcmp(curtok, "<") == 0 ||
-	    strcmp(curtok, "lt") == 0)
-		return '<';
-	if (strcmp(curtok, "autobound") == 0)
-		return AUTOBOUND;
-	yylval = (void*)parse_hostcond(curtok);
-	if (yylval == NULL) {
-		fprintf(stderr, "Cannot parse dst/src address.\n");
-		exit(1);
-	}
-	return HOSTCOND;
-}
-
-int ssfilter_parse(struct ssfilter **f, int argc, char **argv, FILE *fp)
-{
-	yy_argc = argc;
-	yy_argv = argv;
-	yy_fp   = fp;
-	yy_ret  = f;
-
-	if (yyparse()) {
-		fprintf(stderr, " Sorry.\n");
-		return -1;
-	}
-	return 0;
-}