X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=json_script.c;h=b5d414d7e83c2f7a6b39b377558dca69a9599841;hp=ba1e49835c1af277234593c9ab2dd30d37b8ac9f;hb=6a75b3b6437d3c98d852c1bca131c8f81646f2f5;hpb=178fe974af1d0fa4130f865f7b494b0d6b1b05a4

diff --git a/json_script.c b/json_script.c
index ba1e498..b5d414d 100644
--- a/json_script.c
+++ b/json_script.c
@@ -32,6 +32,7 @@ struct json_handler {
 
 static int json_process_expr(struct json_call *call, struct blob_attr *cur);
 static int json_process_cmd(struct json_call *call, struct blob_attr *cur);
+static int eval_string(struct json_call *call, struct blob_buf *buf, const char *name, const char *pattern);
 
 struct json_script_file *
 json_script_file_from_blobmsg(const char *name, void *data, int len)
@@ -333,12 +334,40 @@ static int handle_expr_or(struct json_call *call, struct blob_attr *expr)
 static int handle_expr_not(struct json_call *call, struct blob_attr *expr)
 {
 	struct blob_attr *tb[3];
+	int ret;
 
 	json_get_tuple(expr, tb, BLOBMSG_TYPE_ARRAY, 0);
 	if (!tb[1])
 		return -1;
 
-	return json_process_expr(call, tb[1]);
+	ret = json_process_expr(call, tb[1]);
+	if (ret < 0)
+		return ret;
+	return !ret;
+}
+
+static int handle_expr_isdir(struct json_call *call, struct blob_attr *expr)
+{
+	static struct blob_buf b;
+	struct blob_attr *tb[3];
+	const char *pattern, *path;
+	struct stat s;
+	int ret;
+
+	json_get_tuple(expr, tb, BLOBMSG_TYPE_STRING, 0);
+	if (!tb[1] || blobmsg_type(tb[1]) != BLOBMSG_TYPE_STRING)
+		return -1;
+	pattern = blobmsg_data(tb[1]);
+
+	blob_buf_init(&b, 0);
+	ret = eval_string(call, &b, NULL, pattern);
+	if (ret < 0)
+		return ret;
+	path = blobmsg_data(blob_data(b.head));
+	ret = stat(path, &s);
+	if (ret < 0)
+		return 0;
+	return S_ISDIR(s.st_mode);
 }
 
 static const struct json_handler expr[] = {
@@ -348,6 +377,7 @@ static const struct json_handler expr[] = {
 	{ "and", handle_expr_and },
 	{ "or", handle_expr_or },
 	{ "not", handle_expr_not },
+	{ "isdir", handle_expr_isdir },
 };
 
 static int
@@ -416,7 +446,7 @@ static int eval_string(struct json_call *call, struct blob_buf *buf, const char
 		}
 
 		if (cur_var) {
-			if (next > str) {
+			if (end > str) {
 				cur = msg_find_var(call, str);
 				if (!cur)
 					continue;
@@ -434,7 +464,7 @@ static int eval_string(struct json_call *call, struct blob_buf *buf, const char
 			cur_len = end - str;
 		}
 
-		dest = blobmsg_realloc_string_buffer(buf, cur_len + 1);
+		dest = blobmsg_realloc_string_buffer(buf, len + cur_len + 1);
 		memcpy(dest + len, cur, cur_len);
 		len += cur_len;
 	}
@@ -480,8 +510,8 @@ static int cmd_process_strings(struct json_call *call, struct blob_attr *attr)
 			continue;
 
 		if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) {
-			ctx->handle_error(ctx, "Invalid argument in command", attr);
-			return -1;
+			blobmsg_add_blob(&ctx->buf, cur);
+			continue;
 		}
 
 		ret = cmd_add_string(call, blobmsg_data(cur));
@@ -537,6 +567,9 @@ static int json_process_cmd(struct json_call *call, struct blob_attr *block)
 	}
 
 	blobmsg_for_each_attr(cur, block, rem) {
+		if (ctx->abort)
+			break;
+
 		switch(blobmsg_type(cur)) {
 		case BLOBMSG_TYPE_STRING:
 			if (!i)
@@ -553,10 +586,9 @@ static int json_process_cmd(struct json_call *call, struct blob_attr *block)
 	return 0;
 }
 
-void json_script_run(struct json_script_ctx *ctx, const char *name,
-		     struct blob_attr *vars)
+void json_script_run_file(struct json_script_ctx *ctx, struct json_script_file *file,
+			  struct blob_attr *vars)
 {
-	struct json_script_file *file;
 	static unsigned int _seq = 0;
 	struct json_call call = {
 		.ctx = ctx,
@@ -568,19 +600,34 @@ void json_script_run(struct json_script_ctx *ctx, const char *name,
 	if (!call.seq)
 		call.seq = ++_seq;
 
+	ctx->abort = false;
+
+	__json_script_run(&call, file, NULL);
+}
+
+void json_script_run(struct json_script_ctx *ctx, const char *name,
+		     struct blob_attr *vars)
+{
+	struct json_script_file *file;
+
 	file = json_script_get_file(ctx, name);
 	if (!file)
 		return;
 
-	__json_script_run(&call, file, NULL);
+	json_script_run_file(ctx, file, vars);
 }
 
-static void __json_script_file_free(struct json_script_ctx *ctx, struct json_script_file *f)
+static void __json_script_file_free(struct json_script_file *f)
 {
 	struct json_script_file *next;
 
-	for (next = f->next; f; f = next, next = f->next)
-		free(f);
+	if (!f)
+		return;
+
+	next = f->next;
+	free(f);
+
+	__json_script_file_free(next);
 }
 
 void
@@ -589,7 +636,7 @@ json_script_free(struct json_script_ctx *ctx)
 	struct json_script_file *f, *next;
 
 	avl_remove_all_elements(&ctx->files, f, avl, next)
-		__json_script_file_free(ctx, f);
+		__json_script_file_free(f);
 
 	blob_buf_free(&ctx->buf);
 }