diff options
| author | Yousong Zhou <yszhou4tech@gmail.com> | 2016-02-17 10:45:05 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2016-02-20 15:36:08 +0300 |
| commit | 02db6d71b67d9efe33292fbf7f92da888aaf879f (patch) | |
| tree | caafaaa6c4490c2389378b22b886da7985f3b96d /json_script.c | |
| parent | f43da92dd7b80d955de751c2cc53525447870d96 (diff) | |
json_script: add "isdir" support
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Diffstat (limited to 'json_script.c')
| -rw-r--r-- | json_script.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/json_script.c b/json_script.c index 7cef481..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) @@ -345,6 +346,30 @@ static int handle_expr_not(struct json_call *call, struct blob_attr *expr) 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[] = { { "eq", handle_expr_eq }, { "regex", handle_expr_regex }, @@ -352,6 +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 |