X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/52c3bc6438c0b363577a7cb0192d64c5e387dca3..01ce4cb6c05b9d2d05143d9b55111c344d8b6692:/package/busybox/patches/920-awx.patch?ds=sidebyside

diff --git a/package/busybox/patches/920-awx.patch b/package/busybox/patches/920-awx.patch
index 4c8331722..2abab323e 100644
--- a/package/busybox/patches/920-awx.patch
+++ b/package/busybox/patches/920-awx.patch
@@ -1,6 +1,7 @@
-diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
---- bb.old/editors/awk.c	2007-03-06 19:38:07.278092000 +0100
-+++ bb.dev/editors/awk.c	2007-03-11 05:14:11.776304544 +0100
+Index: busybox-1.4.2/editors/awk.c
+===================================================================
+--- busybox-1.4.2.orig/editors/awk.c	2007-06-04 13:21:35.202625056 +0200
++++ busybox-1.4.2/editors/awk.c	2007-06-04 13:21:37.927210856 +0200
 @@ -30,6 +30,11 @@
  /* these flags are static, don't change them when value is changed */
  #define	VF_DONTTOUCH (VF_ARRAY | VF_SPECIAL | VF_WALK | VF_CHILD | VF_DIRTY)
@@ -13,7 +14,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  /* Variable */
  typedef struct var_s {
  	unsigned short type;		/* flags */
-@@ -50,10 +55,15 @@ typedef struct chain_s {
+@@ -50,10 +55,15 @@
  	char *programname;
  } chain;
  
@@ -30,7 +31,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  } func;
  
  /* I/O stream */
-@@ -1312,7 +1322,8 @@ static void parse_program(char *p)
+@@ -1312,7 +1322,8 @@
  			next_token(TC_FUNCTION);
  			pos++;
  			f = newfunc(t.string);
@@ -40,7 +41,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  			f->nargs = 0;
  			while (next_token(TC_VARIABLE | TC_SEQTERM) & TC_VARIABLE) {
  				v = findvar(ahash, t.string);
-@@ -1321,7 +1332,7 @@ static void parse_program(char *p)
+@@ -1321,7 +1332,7 @@
  				if (next_token(TC_COMMA | TC_SEQTERM) & TC_SEQTERM)
  					break;
  			}
@@ -49,7 +50,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  			chain_group();
  			clear_array(ahash);
  
-@@ -2260,7 +2271,8 @@ static var *evaluate(node *op, var *res)
+@@ -2260,7 +2271,8 @@
  			break;
  
  		case XC( OC_FUNC ):
@@ -59,7 +60,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  				runtime_error(EMSG_UNDEF_FUNC);
  
  			X.v = R.v = nvalloc(op->r.f->nargs+1);
-@@ -2277,7 +2289,11 @@ static var *evaluate(node *op, var *res)
+@@ -2277,7 +2289,11 @@
  			fnargs = X.v;
  
  			L.s = programname;
@@ -72,7 +73,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  			programname = L.s;
  
  			nvfree(fnargs);
-@@ -2637,6 +2653,11 @@ static rstream *next_input_file(void)
+@@ -2637,6 +2653,11 @@
  	return &rsm;
  }
  
@@ -84,7 +85,7 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  int awk_main(int argc, char **argv)
  {
  	int i, j, flen;
-@@ -2693,6 +2714,10 @@ int awk_main(int argc, char **argv)
+@@ -2693,6 +2714,10 @@
  		free(s);
  	}
  
@@ -95,10 +96,11 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c
  	programname = NULL;
  	while((c = getopt(argc, argv, "F:v:f:W:")) != EOF) {
  		switch (c) {
-diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
---- bb.old/editors/awx.c	1970-01-01 01:00:00.000000000 +0100
-+++ bb.dev/editors/awx.c	2007-03-11 19:03:27.417297384 +0100
-@@ -0,0 +1,553 @@
+Index: busybox-1.4.2/editors/awx.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ busybox-1.4.2/editors/awx.c	2007-06-04 13:21:37.928210704 +0200
+@@ -0,0 +1,633 @@
 +/*
 + * awk web extension
 + *
@@ -109,14 +111,13 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +
 +#include <cgi.h>
 +#include <glob.h>
++#include "awx_parser.h"
 +
 +#define LINE_BUF 2048
 +#define HASH_MAX	1536
 +#define TR_START	"@TR<<"
 +#define TR_END		">>"
 +#define MAX_TR	32
-+#define SSI_START "<%"
-+#define SSI_END "%>"
 +
 +#undef fputs
 +
@@ -151,10 +152,18 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +static char *translate_line(char *line)
 +{
 +	char *tok[MAX_TR * 3];
-+	char *l, *p, *p2, *res;
-+	int len = 0, _pos = 0, i;
++	char *l, *p, *p2 = NULL, *res;
++	int len = 0, _pos = 0, i, tr_abort = 0;
++	static char *backlog = NULL;
++
++	if (backlog && line) {
++		backlog = xrealloc(backlog, strlen(backlog) + strlen(line) + 1);
++		sprintf(backlog + strlen(backlog), line);
++		l = backlog;
++	} else {
++		l = line;
++	}
 +
-+	l = line;
 +	while (l != NULL) {
 +		if ((p = strstr(l, TR_START)) == NULL) {
 +			len += strlen((tok[_pos++] = l));
@@ -162,12 +171,15 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +		}
 +
 +		p2 = strstr(p, TR_END);
-+		if (p2 == NULL)
++		if (p2 == NULL) {
++			p2 = xstrdup(l);
++			tr_abort = 1;
 +			break;
++		}
 +
 +		*p = 0;
-+		*p2 = 0;
 +		len += strlen((tok[_pos++] = l));
++		*p2 = 0;
 +		len += strlen((tok[_pos++] = translate_lookup(p + strlen(TR_START))));
 +
 +		l = p2;
@@ -182,7 +194,13 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +		strcat(p, tok[i]);
 +		p += strlen(tok[i]);
 +	}
-+
++	if (backlog) {
++		free(backlog);
++		backlog = NULL;
++	}
++	if (tr_abort && p2)
++		backlog = p2;
++	
 +	return res;
 +}
 +
@@ -318,22 +336,24 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +static void parse_include(char *p)
 +{
 +	uint32_t tclass;
-+	chain initseq;
++	chain *initseq = NULL;
++	chain tmp;
 +	func *f;
-+	var *v, tv;
-+	int has_init = 0;
++	var *v, *tv;
 +
++	tv = nvalloc(1);
++	memset(&tmp, 0, sizeof(tmp));
 +	pos = p;
 +	t.lineno = 1;
-+	memset(&initseq, 0, sizeof(initseq));
 +	while ((tclass = next_token(TC_EOF | TC_OPSEQ |
 +				TC_OPTERM | TC_BEGIN | TC_FUNCDECL)) != TC_EOF) {
 +		if (tclass & TC_OPTERM)
 +			continue;
 +
-+		seq = &initseq;
++		seq = &tmp;
 +		if (tclass & TC_BEGIN) {
-+			has_init = 1;
++			initseq = xzalloc(sizeof(chain));
++			seq = initseq;
 +			chain_group();
 +		} else if (tclass & TC_FUNCDECL) {
 +			next_token(TC_FUNCTION);
@@ -354,58 +374,67 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +			clear_array(ahash);
 +		}
 +	}
-+	if (has_init)
-+		evaluate(initseq.first, &tv);
++	if (initseq && initseq->first)
++		tv = evaluate(initseq->first, tv);
++	nvfree(tv);
 +}
 +
++
 +/* include an awk file and run its BEGIN{} section */
-+static var *include(var *res, var *args, int nargs)
++static xhash *includes = NULL;
++static void include_file(char *filename)
 +{
-+	static xhash *includes = NULL;
 +	char *s;
 +	var *v;
 +
-+	s = getvar_s(args);
-+	if (!s)
-+		return res;
-+
 +	if (!includes)
 +		includes = hash_init();
 +	
 +	/* find out if the file has been included already */
-+	v = findvar(includes, s);
++	v = findvar(includes, filename);
 +	if (istrue(v))
-+		return res;
++		return;
 +	setvar_s(v, "1");
 +
 +	/* read include file */
-+	s = get_file(s);
++	s = get_file(filename);
 +	if (!s) {
 +		fprintf(stderr, "Could not open file.\n");
-+		return res;
++		return;
 +	}
 +	parse_include(s+1);
 +	free(s);
++}
++
++static var *include(var *res, var *args, int nargs)
++{
++	char *s;
++
++	s = getvar_s(args);
++	if (s && (strlen(s) > 0))
++		include_file(s);
 +
 +	return res;
 +}
 +
-+
-+/* parse and evaluate an awk expression and return the result as string */
-+static char *render_lookup(char *fname, int lnr, char *str)
++/* parse an awk expression */
++static var *parse_awk(char *str, var *tv)
 +{
 +	chain body;
-+	var tv;
++	node *n;
 +
 +	memset(&body, 0, sizeof(body));
-+	zero_out_var(&tv);
 +	pos = str;
 +	seq = &body;
 +	
 +	/* end of expression, assume that there's going to be a free byte
 +	 * at the end of the string that can be used for the ')' */
-+	strcat(str + strlen(str), ")");
-+	return getvar_s(evaluate(parse_expr(TC_SEQTERM), &tv));
++	strcat(str + strlen(str), "}");
++	n = parse_expr(TC_GRPTERM);
++	if (!n)
++		return NULL;
++
++	return evaluate(n, tv);
 +}
 +
 +static inline void print_translate(char *s)
@@ -419,74 +448,102 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +		free(str);
 +}
 +
-+/* process awk calls in a template line and print the output to stdout */
-+static void render_line(char *fname, int lnr, char *line)
++static void render_element(struct template_cb *tcb, struct template_element *e)
 +{
-+	char *tok[MAX_TR * 3];
-+	char *l, *p, *p2, *res;
-+	int len = 0, _pos = 0, i;
-+
-+	l = line;
-+	while (l != NULL) {
-+		if ((p = strstr(l, SSI_START)) == NULL) {
-+			len += strlen((tok[_pos++] = l));
++	var *v;
++	char *s, *s2;
++	int i;
++	
++	if (!e || !e->var)
++		return;
++	lineno = e->line;
++	switch (e->t) {
++		case T_TEXT:
++			s = malloc(strlen(e->var) + 2);
++			strcpy(s, e->var);
++			print_translate(s);
++			free(s);
 +			break;
-+		}
-+
-+		p2 = strstr(p, SSI_END);
-+		if (p2 == NULL) {
-+			fprintf(stderr, "Parse error in '%s', line '%d', unmatched %s\n", fname, lnr, SSI_END);
++		case T_CODE:
++			s = malloc(strlen(e->var) + 2);
++			strcpy(s, e->var);
++			v = nvalloc(1);
++			s2 = strdup(getvar_s(parse_awk(s, v)));
++			nvfree(v);
++			print_translate(s2);
++			free(s);
++			free(s2);
 +			break;
-+		}
++		case T_IF:
++			s = malloc(strlen(e->var) + 2);
++			strcpy(s, e->var);
++			v = nvalloc(1);
++			i = istrue(parse_awk(s, v));
++			nvfree(v);
++			free(s);
++
++			if (i)
++				execute_template(tcb, e->sub);
++			else if (e->sub2)
++				execute_template(tcb, e->sub2);
++			break;
++		case T_FOR: {
++				v = newvar(e->var);
++				hashwalk_init(v, iamarray(findvar(vhash, e->in)));
++				while (hashwalk_next(v)) {
++					execute_template(tcb, e->sub);
++				}
++				clrvar(v);
++			}
++			break;
++		default:
++			break;
++	}
++}
 +
-+		*p = 0;
-+		*p2 = 0;
-+		
-+		len += strlen((tok[_pos++] = l));
-+		len += strlen((tok[_pos++] = render_lookup(fname, lnr, p + strlen(SSI_START))));
++/* awk method render(), which opens a template file and processes all awk ssi calls */
++static void render_file(char *filename)
++{
++	struct template_cb tcb;
++	struct template_element *e;
++	FILE *f;
++	char *oldprg;
++	int oldlnr;
++	
++	if (!filename)
++		return;
 +
-+		l = p2;
-+		l += strlen(SSI_END);
-+	}
-+	len++;
++	oldlnr = lineno;
++	oldprg = programname;
++	programname = filename;
 +
-+	p = xmalloc(len + 1);
-+	*p = 0;
-+	res = p;
-+	for (i = 0; i < _pos; i++) {
-+		strcat(p, tok[i]);
-+		p += strlen(tok[i]);
-+	}
-+	print_translate(res);
-+	free(res);
++	f = fopen(filename, "r");
++	if (!f)
++		return;
++	
++	memset(&tcb, 0, sizeof(tcb));
++	tcb.handle_element = render_element;
++	e = parse_template(&tcb, f);
++	execute_template(&tcb, e);
++	free_template(&tcb, e);
++	fclose(f);
++	programname = oldprg;
++	lineno = oldlnr;
 +}
 +
-+/* awk method render(), which opens a template file and processes all awk ssi calls */
 +static var *render(var *res, var *args, int nargs)
 +{
 +	char *s;
-+	int lnr = 0;
-+	FILE *f;
-+	char *buf1;
-+			
-+	buf1 = xmalloc(LINE_BUF);
++
 +	s = getvar_s(args);
 +	if (!s)
-+		goto done;
-+
-+	f = fopen(s, "r");
-+	if (!f)
-+		goto done;
++		return res;
 +
-+	while (!feof(f) && (fgets(buf1, LINE_BUF - 1, f) != NULL)) {
-+		render_line(s, ++lnr, buf1);
-+	}
++	render_file(s);
 +	
-+done:
-+	free(buf1);
 +	return res;
 +}
-+
++		
 +/* Call render, but only if this function hasn't been called already */
 +static int layout_rendered = 0;
 +static var *render_layout(var *res, var *args, int nargs)
@@ -566,49 +623,19 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +}
 +
 +
-+/* main awx processing function. called from awk_main() */
-+static int do_awx(int argc, char **argv)
++static int run_awxscript(char *name)
 +{
-+	int ret = -1;
-+	var tv;
-+	char *s = NULL;
-+	var *layout;
-+	var *action;
-+	char *tmp;
-+	int i;
-+	
-+	zero_out_var(&tv);
-+
-+	/* register awk C callbacks */
-+	register_cfunc("getvar", getvar, 1);
-+	register_cfunc("render", render, 1);
-+	register_cfunc("render_layout", render_layout, 1);
-+	register_cfunc("call", call, 1);
-+	register_cfunc("include", include, 1);
-+	register_cfunc("init_lang", init_lang, 1);
-+	register_cfunc("load_lang", load_lang, 1);
++	var tv, *layout, *action;
++	char *tmp, *s = NULL;
 +
-+	if (!is_awx)
-+		return 0;
-+
-+	/* fill in ARGV array */
-+	programname = argv[1];
-+	setvar_i(V[ARGC], argc + 1);
-+	setari_u(V[ARGV], 0, "awx");
-+	i = 0;
-+	while (*argv)
-+		setari_u(V[ARGV], ++i, *argv++);
++	zero_out_var(&tv);
++	programname = name;
 +
-+	if (argc < 2) {
-+		fprintf(stderr, "Invalid argument.\n");
-+		goto done;
-+	}
-+	
 +	/* read the main controller source */
 +	s = get_file(programname);
 +	if (!s) {
 +		fprintf(stderr, "Could not open file\n");
-+		goto done;
++		return 1;
 +	}
 +	parse_program(s+1);
 +	free(s);
@@ -640,9 +667,64 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +	/* render the selected layout, will do nothing if render_layout has been called from awk */
 +	render_layout(&tv, layout, 1);
 +
-+	ret = 0;
++	return 0;
++}
++
++
++/* main awx processing function. called from awk_main() */
++static int do_awx(int argc, char **argv)
++{
++	int ret = -1;
++	var tv;
++	int i, c;
++	char **args = argv;
++	
++	zero_out_var(&tv);
++
++	/* register awk C callbacks */
++	register_cfunc("getvar", getvar, 1);
++	register_cfunc("render", render, 1);
++	register_cfunc("render_layout", render_layout, 1);
++	register_cfunc("call", call, 1);
++	register_cfunc("include", include, 1);
++	register_cfunc("init_lang", init_lang, 1);
++	register_cfunc("load_lang", load_lang, 1);
++
++	if (!is_awx)
++		return 0;
++
++	/* fill in ARGV array */
++	setvar_i(V[ARGC], argc + 1);
++	setari_u(V[ARGV], 0, "awx");
++	i = 0;
++	while (*args)
++		setari_u(V[ARGV], ++i, *args++);
++	
++	while((c = getopt(argc, argv, "i:f:")) != EOF) {
++		switch(c) {
++			case 'i':
++				programname = optarg;
++				include_file(optarg);
++				break;
++			case 'f':
++				ret = 0;
++				programname = optarg;
++				render_file(optarg);
++				goto done;
++		}
++	}
++	argc -= optind;
++	argv += optind;
++
++	if (argc < 1) {
++		fprintf(stderr, "Invalid argument.\n");
++		goto done;
++	}
++
++	ret = run_awxscript(*argv);
++
 +done:
-+	exit(0);
++	exit(ret);
 +}
 +
 +/* entry point for awx applet */
@@ -652,10 +734,361 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c
 +	return awk_main(argc, argv);
 +}
 +
-diff -purN bb.old/editors/Config.in bb.dev/editors/Config.in
---- bb.old/editors/Config.in	2007-01-24 22:34:50.000000000 +0100
-+++ bb.dev/editors/Config.in	2007-03-11 06:19:51.469380160 +0100
-@@ -12,6 +12,13 @@ config AWK
+Index: busybox-1.4.2/editors/awx_parser.h
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ busybox-1.4.2/editors/awx_parser.h	2007-06-04 13:21:37.928210704 +0200
+@@ -0,0 +1,38 @@
++#ifndef __TEMPLATE_PARSER_H
++#define __TEMPLATE_PARSER_H
++
++enum type {
++	T_TEXT,
++	T_FOR,
++	T_IF,
++	T_CODE
++};
++
++struct template_element;
++struct template_cb;
++
++struct template_cb {
++	void *(*prepare_code)(struct template_element *);
++	void (*handle_element)(struct template_cb *, struct template_element *);
++	void (*free_code)(struct template_element *);
++};
++
++struct template_element {
++	enum type t;
++	char *var;
++	char *in;
++	int line;
++	void *priv;
++	struct template_element *parent;
++	struct template_element *sub;
++	struct template_element *sub2;
++	struct template_element *prev;
++	struct template_element *next;
++};
++
++
++struct template_element *parse_template(struct template_cb *cb, FILE *in);
++void execute_template(struct template_cb *cb, struct template_element *e);
++void free_template(struct template_cb *cb, struct template_element *e);
++
++#endif
+Index: busybox-1.4.2/editors/awx_parser.l
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ busybox-1.4.2/editors/awx_parser.l	2007-06-04 13:21:37.929210552 +0200
+@@ -0,0 +1,302 @@
++%{
++#include <stdio.h>
++#include <string.h>
++#include <stdlib.h>
++#include "busybox.h"
++#include "awx_parser.h"
++
++enum {
++	S_INIT,
++	S_TEXT,
++	S_CODE,
++	S_IF_START,
++	S_FOR_START,
++	S_FOR_IN,
++	S_END,
++	S_ELSE,
++	S_EOF
++}; 
++int state;
++
++#undef DEBUG
++#ifdef DEBUG
++char *statestr[] = {
++	[S_INIT] = "S_INIT",
++	[S_TEXT] = "S_TEXT",
++	[S_CODE] = "S_CODE",
++	[S_IF_START] = "S_IF_START",
++	[S_FOR_START] = "S_FOR_START",
++	[S_FOR_IN] = "S_FOR_IN",
++	[S_EOF] = "S_EOF"
++};
++
++char *typestr[] = {
++	[T_TEXT] = "T_TEXT",
++	[T_FOR] = "T_FOR",
++	[T_IF] = "T_IF",
++	[T_CODE] = "T_CODE"
++};
++#endif
++
++static struct template_cb *parse_cb;
++static struct template_element *cur, *head;
++static char *textbuf;
++static unsigned int buflen;
++static unsigned int buf_offset;
++static int _lnr = 0;
++
++static void buf_realloc(void)
++{
++	buflen *= 2;
++	textbuf = xrealloc(textbuf, buflen);
++}
++
++static void parse_error(char *str)
++{
++	fprintf(stderr, "Parse error%s%s\n", (str ? ": " : "!"), (str ?: ""));
++	exit(255);
++}
++
++
++static struct template_element *new_template_element(struct template_element *parent)
++{
++	struct template_element *ptr;
++	
++	ptr = xzalloc(sizeof(struct template_element));
++	ptr->parent = parent;
++	return ptr;
++}
++
++static inline void next_template_element(void)
++{
++	cur->next = new_template_element(cur->parent);
++	cur->next->prev = cur;
++	cur = cur->next;
++}
++
++static void addtext(char *text)
++{
++	while(buf_offset + strlen(text) + 1 > buflen)
++		buf_realloc();
++
++	buf_offset += sprintf(&textbuf[buf_offset], "%s", text);
++}
++
++static void set_state(int newstate)
++{
++	char *ptr;
++
++#ifdef DEBUG
++	static int _rec = 0;
++	fprintf(stderr, "DEBUG(%d): %s => %s: %s\n", _rec, statestr[state], statestr[newstate], textbuf);
++#endif
++	ptr = xstrdup(textbuf);
++	if (state == S_FOR_IN)
++		cur->in = ptr;
++	else
++		cur->var = ptr;
++
++	if (parse_cb && (cur->t == T_CODE) && parse_cb->prepare_code)
++		parse_cb->prepare_code(cur);
++
++	buf_offset = 0;
++	*textbuf = 0;
++
++	switch(newstate) {
++#if 0
++		case S_EOF:
++			if (cur->parent)
++				parse_error();
++			break;
++#endif
++		case S_FOR_START:
++			if (ptr || !cur->prev)
++				next_template_element();
++			cur->t = T_FOR;
++			break;
++		case S_IF_START:
++			if (ptr || !cur->prev)
++				next_template_element();
++			cur->t = T_IF;
++			break;
++		case S_ELSE:
++			cur = cur->parent;
++			if (!cur)
++				parse_error("'@else' without parent element");
++			cur->sub2 = new_template_element(cur);
++			cur = cur->sub2;
++			newstate = S_TEXT;
++			break;
++		case S_END:
++#ifdef DEBUG
++			_rec--;
++#endif
++			cur = cur->parent;
++			if (!cur) 
++				parse_error("'@end' without parent element");
++
++			next_template_element();
++			cur->t = T_TEXT;
++			newstate = S_TEXT;
++			break;
++		case S_TEXT:
++			switch (cur->t) {
++				case T_CODE:
++					next_template_element();
++					break;
++				case T_IF:
++				case T_FOR:
++#ifdef DEBUG
++					_rec++;
++#endif
++					cur->sub = new_template_element(cur);
++					cur = cur->sub;
++					break;
++				default:
++					break;
++			}
++			cur->t = T_TEXT;
++			break;
++		case S_CODE:
++			if (ptr || !cur->prev)
++				next_template_element();
++			cur->t = T_CODE;
++			break;
++		default:
++			break;
++	}
++	cur->line = _lnr;
++	state = newstate;
++}
++
++%}
++
++%%
++"<%"[ \n\t]*"@if"[ \n\t]+ {
++	if (state == S_TEXT) 
++		set_state(S_IF_START);
++	else
++		REJECT;
++}
++
++"<%"[ \n\t]*"@for"[ \n\t]+ {
++	if (state == S_TEXT) 
++		set_state(S_FOR_START);
++	else
++		REJECT;
++}
++
++[ \n\t]+"in"[ \n\t]+ {
++	if (state == S_FOR_START)
++		set_state(S_FOR_IN);
++	else
++		REJECT;
++}
++
++"<%"[ \n\t]*"@end"[ \n\t]*%> {
++	if (state != S_TEXT)
++		REJECT;
++	set_state(S_END);
++}
++
++"<%"[ \n\t]*"@else"[ \n\t]*%> {
++	if (state != S_TEXT)
++		REJECT;
++	set_state(S_ELSE);
++}
++
++"<%" {
++	if (state != S_TEXT) 
++		parse_error("'<%' cannot be nested");
++	set_state(S_CODE);
++}
++
++[ \n\t]"%>" {
++	if (state == S_TEXT)
++		REJECT;
++	set_state(S_TEXT);
++}
++
++\n {
++	_lnr++;
++	if (state == S_TEXT)
++		addtext(yytext);
++}
++.	{
++	addtext(yytext);
++}
++
++
++%%
++
++
++void execute_template(struct template_cb *cb, struct template_element *e)
++{
++	static int rec = 0;
++
++	while (e) {
++#ifdef DEBUG
++		fprintf(stderr, "DEBUG: execute(%d)\t%s\n", rec, typestr[e->t]);
++#endif
++		rec++;
++		if (cb->handle_element)
++			cb->handle_element(cb, e);
++		rec--;
++		e = e->next;
++	}
++}
++
++int yywrap()
++{
++	set_state(S_EOF);
++	return 1;
++}
++
++struct template_element *parse_template(struct template_cb *cb, FILE *in)
++{
++	_lnr = 1;
++	buf_offset = 0;
++	state = S_TEXT;
++	parse_cb = cb;
++	
++	buflen = 4096;
++	textbuf = xzalloc(buflen);
++
++	head = xzalloc(sizeof(struct template_element));
++	head->t = T_TEXT;
++	cur = head;
++
++	yyin = in;
++	yylex();
++
++	return head;
++}
++
++void free_template(struct template_cb *cb, struct template_element *e)
++{
++	struct template_element *next;
++	return;
++	if (!e)
++		return;
++		
++	switch (e->t) {
++		case T_CODE:
++			if (cb->free_code)
++				cb->free_code(e);
++			break;
++		case T_FOR:
++		case T_IF:
++			free_template(cb, e->sub);
++			break;
++		default:
++			break;
++	}
++	if (e->var)
++		free(e->var);
++	if (e->in)
++		free(e->in);
++		
++	next = e->next;
++	free(e);
++	return free_template(cb, next);
++}
+Index: busybox-1.4.2/editors/Config.in
+===================================================================
+--- busybox-1.4.2.orig/editors/Config.in	2007-06-04 13:21:31.486190040 +0200
++++ busybox-1.4.2/editors/Config.in	2007-06-04 13:21:37.929210552 +0200
+@@ -12,6 +12,13 @@
  	  Awk is used as a pattern scanning and processing language.  This is
  	  the BusyBox implementation of that programming language.
  
@@ -669,10 +1102,28 @@ diff -purN bb.old/editors/Config.in bb.dev/editors/Config.in
  config FEATURE_AWK_MATH
  	bool "Enable math functions (requires libm)"
  	default y
-diff -purN bb.old/include/applets.h bb.dev/include/applets.h
---- bb.old/include/applets.h	2007-03-06 19:38:07.355081000 +0100
-+++ bb.dev/include/applets.h	2007-03-07 02:12:24.280681880 +0100
-@@ -60,6 +60,7 @@ USE_ARP(APPLET(arp, _BB_DIR_SBIN, _BB_SU
+Index: busybox-1.4.2/editors/Kbuild
+===================================================================
+--- busybox-1.4.2.orig/editors/Kbuild	2007-06-04 13:21:31.492189128 +0200
++++ busybox-1.4.2/editors/Kbuild	2007-06-04 13:21:37.929210552 +0200
+@@ -10,3 +10,12 @@
+ lib-$(CONFIG_PATCH)     += patch.o
+ lib-$(CONFIG_SED)       += sed.o
+ lib-$(CONFIG_VI)        += vi.o
++lib-$(CONFIG_AWX)		+= awx_parser.o
++
++editors/awx_parser.c: editors/awx_parser.l editors/awx_parser.h
++	@flex $<
++	@mv lex.yy.c $@
++
++editors/awx_parser.o: editors/awx_parser.c FORCE
++	$(call cmd,force_checksrc)
++	$(call if_changed_rule,cc_o_c)
+Index: busybox-1.4.2/include/applets.h
+===================================================================
+--- busybox-1.4.2.orig/include/applets.h	2007-06-04 13:21:36.732392496 +0200
++++ busybox-1.4.2/include/applets.h	2007-06-04 13:21:37.929210552 +0200
+@@ -60,6 +60,7 @@
  USE_ARPING(APPLET(arping, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  USE_ASH(APPLET_NOUSAGE(ash, ash, _BB_DIR_BIN, _BB_SUID_NEVER))
  USE_AWK(APPLET(awk, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
@@ -680,9 +1131,10 @@ diff -purN bb.old/include/applets.h bb.dev/include/applets.h
  USE_BASENAME(APPLET(basename, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  USE_BBCONFIG(APPLET(bbconfig, _BB_DIR_BIN, _BB_SUID_NEVER))
  //USE_BBSH(APPLET(bbsh, _BB_DIR_BIN, _BB_SUID_NEVER))
-diff -purN bb.old/include/cgi.h bb.dev/include/cgi.h
---- bb.old/include/cgi.h	1970-01-01 01:00:00.000000000 +0100
-+++ bb.dev/include/cgi.h	2007-03-11 18:58:10.708444448 +0100
+Index: busybox-1.4.2/include/cgi.h
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ busybox-1.4.2/include/cgi.h	2007-06-04 13:21:37.929210552 +0200
 @@ -0,0 +1,8 @@
 +#ifndef CGI_H
 +#define CGI_H
@@ -692,9 +1144,10 @@ diff -purN bb.old/include/cgi.h bb.dev/include/cgi.h
 +int cgi_init(var_handler);
 +
 +#endif
-diff -purN bb.old/libbb/cgi.c bb.dev/libbb/cgi.c
---- bb.old/libbb/cgi.c	1970-01-01 01:00:00.000000000 +0100
-+++ bb.dev/libbb/cgi.c	2007-03-11 19:02:04.691873560 +0100
+Index: busybox-1.4.2/libbb/cgi.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ busybox-1.4.2/libbb/cgi.c	2007-06-04 13:21:37.930210400 +0200
 @@ -0,0 +1,457 @@
 +/* --------------------------------------------------------------------------
 + * functions for processing cgi form data
@@ -1153,10 +1606,11 @@ diff -purN bb.old/libbb/cgi.c bb.dev/libbb/cgi.c
 +
 +	return retval;
 +} 
-diff -purN bb.old/libbb/Kbuild bb.dev/libbb/Kbuild
---- bb.old/libbb/Kbuild	2007-03-06 19:38:07.361080000 +0100
-+++ bb.dev/libbb/Kbuild	2007-03-11 18:40:51.384445712 +0100
-@@ -118,3 +118,6 @@ lib-$(CONFIG_GREP) += xregcomp.o
+Index: busybox-1.4.2/libbb/Kbuild
+===================================================================
+--- busybox-1.4.2.orig/libbb/Kbuild	2007-06-04 13:21:37.710243840 +0200
++++ busybox-1.4.2/libbb/Kbuild	2007-06-04 13:21:37.930210400 +0200
+@@ -118,3 +118,6 @@
  lib-$(CONFIG_MDEV) += xregcomp.o
  lib-$(CONFIG_LESS) += xregcomp.o
  lib-$(CONFIG_DEVFSD) += xregcomp.o