123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
#include "libubus.h"
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static struct blob_buf b;
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static struct ubus_context *ctx;
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static uint32_t objid;
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static void receive_lookup(struct ubus_request *req, int type, struct blob_attr *msg)
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{
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struct blob_attr **attr, *cur;
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char *s;
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int rem;
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attr = ubus_parse_msg(msg);
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if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_OBJPATH])
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return;
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fprintf(stderr, "'%s' @%08x\n",
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(char *) blob_data(attr[UBUS_ATTR_OBJPATH]),
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blob_get_int32(attr[UBUS_ATTR_OBJID]));
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if (!attr[UBUS_ATTR_SIGNATURE])
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return;
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blob_for_each_attr(cur, attr[UBUS_ATTR_SIGNATURE], rem) {
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s = blobmsg_format_json(cur, false);
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fprintf(stderr, "\t%s\n", s);
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free(s);
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}
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}
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static void receive_data(struct ubus_request *req, int type, struct blob_attr *msg)
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{
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if (!msg)
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return;
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fprintf(stderr, "%s\n", blobmsg_format_json(msg, true));
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}
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static void store_objid(struct ubus_request *req, int type, struct blob_attr *msg)
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{
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struct blob_attr **attr;
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attr = ubus_parse_msg(msg);
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if (!attr[UBUS_ATTR_OBJID])
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return;
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objid = blob_get_int32(attr[UBUS_ATTR_OBJID]);
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}
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static uint32_t get_object(const char *name)
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{
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struct ubus_request req;
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blob_buf_init(&b, 0);
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blob_put_string(&b, UBUS_ATTR_OBJPATH, name);
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ubus_start_request(ctx, &req, b.head, UBUS_MSG_LOOKUP, 0);
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req.raw_data_cb = store_objid;
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if (ubus_complete_request(ctx, &req))
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return 0;
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return objid;
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}
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static int usage(char *prog)
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{
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fprintf(stderr,
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"Usage: %s <command> [arguments...]\n"
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"Commands:\n"
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" - list [<path>] List objects\n"
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" - call <path> <method> [<message>] Call an object method\n"
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"\n", prog);
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return 1;
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}
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int main(int argc, char **argv)
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{
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struct ubus_request req;
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char *cmd;
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int ret;
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ctx = ubus_connect(NULL);
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if (!ctx) {
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fprintf(stderr, "Failed to connect to ubus\n");
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return -1;
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}
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cmd = argv[1];
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if (argc < 2)
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return usage(argv[0]);
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if (!strcmp(cmd, "list")) {
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blob_buf_init(&b, 0);
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if (argc == 3)
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blob_put_string(&b, UBUS_ATTR_OBJPATH, argv[2]);
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ubus_start_request(ctx, &req, b.head, UBUS_MSG_LOOKUP, 0);
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req.raw_data_cb = receive_lookup;
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} else if (!strcmp(cmd, "call")) {
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if (argc < 4 || argc > 5)
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return usage(argv[0]);
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if (get_object(argv[2]) == 0) {
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fprintf(stderr, "Object not found\n");
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return 1;
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}
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blob_buf_init(&b, 0);
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blob_put_int32(&b, UBUS_ATTR_OBJID, objid);
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blob_put_string(&b, UBUS_ATTR_METHOD, argv[3]);
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ubus_start_request(ctx, &req, b.head, UBUS_MSG_INVOKE, objid);
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req.data_cb = receive_data;
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} else {
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return usage(argv[0]);
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}
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ret = ubus_complete_request(ctx, &req);
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if (ret)
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fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));
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ubus_free(ctx);
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return 0;
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}
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