From d97883005ffb5be251872c3e4abe04f71732f9bd Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Tue, 31 Jan 2023 15:45:18 +0100 Subject: [PATCH] rc: add option to get info for a single script in list method Add option to get info for a single script in list method. To get info of a particular script pass the name arg to the list method. If the script doesn't exist an empty table is returned. Signed-off-by: Christian Marangi --- rc.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/rc.c b/rc.c index 60ec4bf..3d192f1 100644 --- a/rc.c +++ b/rc.c @@ -21,11 +21,13 @@ #define RC_LIST_EXEC_TIMEOUT_MS 3000 enum { + RC_LIST_NAME, RC_LIST_SKIP_RUNNING_CHECK, __RC_LIST_MAX }; static const struct blobmsg_policy rc_list_policy[] = { + [RC_LIST_NAME] = { "name", BLOBMSG_TYPE_STRING }, [RC_LIST_SKIP_RUNNING_CHECK] = { "skip_running_check", BLOBMSG_TYPE_BOOL }, }; @@ -48,6 +50,7 @@ struct rc_list_context { struct blob_buf *buf; DIR *dir; bool skip_running_check; + const char *req_name; /* Info about currently processed init.d entry */ struct { @@ -181,7 +184,12 @@ static void rc_list_readdir(struct rc_list_context *c) FILE *fp; e = readdir(c->dir); - if (!e) { + /* + * If scanning for a specific script and entry.d_name is set + * we can assume we found a matching one in the previous + * iteration since entry.d_name is set only if a match is found. + */ + if (!e || (c->req_name && c->entry.d_name)) { closedir(c->dir); ubus_send_reply(c->ctx, &c->req, c->buf->head); ubus_complete_deferred_request(c->ctx, &c->req, UBUS_STATUS_OK); @@ -191,6 +199,9 @@ static void rc_list_readdir(struct rc_list_context *c) if (!strcmp(e->d_name, ".") || !strcmp(e->d_name, "..")) goto next; + if (c->req_name && strcmp(e->d_name, c->req_name)) + goto next; + memset(&c->entry, 0, sizeof(c->entry)); c->entry.start = -1; c->entry.stop = -1; @@ -271,6 +282,8 @@ static int rc_list(struct ubus_context *ctx, struct ubus_object *obj, } if (tb[RC_LIST_SKIP_RUNNING_CHECK]) c->skip_running_check = blobmsg_get_bool(tb[RC_LIST_SKIP_RUNNING_CHECK]); + if (tb[RC_LIST_NAME]) + c->req_name = blobmsg_get_string(tb[RC_LIST_NAME]); ubus_defer_request(ctx, req, &c->req);