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file: add md5sum support

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Signed-off-by: Luka Perkov <luka@openwrt.org>
This commit is contained in:
Luka Perkov 2015-04-12 03:56:50 +02:00 committed by John Crispin
parent 311c85e7d9
commit 9a6bfa110a
1 changed files with 35 additions and 0 deletions
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35
file.c
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@ -27,6 +27,7 @@
#include <sys/wait.h>
#include <libubus.h>
#include <libubox/blobmsg.h>
#include <libubox/md5.h>
#include <libubox/ustream.h>
#include <rpcd/plugin.h>
@ -236,6 +237,39 @@ rpc_file_write(struct ubus_context *ctx, struct ubus_object *obj,
return 0;
}
static int
rpc_file_md5(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
int rv, i;
char *path;
struct stat s;
uint8_t md5[16];
char *wbuf;
if (!rpc_check_path(msg, &path, &s))
return rpc_errno_status();
if (!S_ISREG(s.st_mode))
return UBUS_STATUS_NOT_SUPPORTED;
if ((rv = md5sum(path, md5)) <= 0)
return rpc_errno_status();
blob_buf_init(&buf, 0);
wbuf = blobmsg_alloc_string_buffer(&buf, "md5", 33);
for (i = 0; i < 16; i++)
sprintf(wbuf + (i * 2), "%02x", (uint8_t) md5[i]);
blobmsg_add_string_buffer(&buf);
ubus_send_reply(ctx, req, buf.head);
blob_buf_free(&buf);
return UBUS_STATUS_OK;
}
static int
rpc_file_list(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
@ -611,6 +645,7 @@ rpc_file_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
UBUS_METHOD("write", rpc_file_write, rpc_file_rw_policy),
UBUS_METHOD("list", rpc_file_list, rpc_file_r_policy),
UBUS_METHOD("stat", rpc_file_stat, rpc_file_r_policy),
UBUS_METHOD("md5", rpc_file_md5, rpc_file_r_policy),
UBUS_METHOD("exec", rpc_file_exec, rpc_exec_policy),
};