uid to windows SID mapping support

[wangyugui-e16]

Hi,

uid to windows SID mapping is used when

• show acl in windows client
• change ACL from windows client

test result show that there are same issues about this feature.

[wangyugui-e16]

seperated from https://github.com/namjaejeon/ksmbd-tools/issues/187

from [hcbwiz] About id mapping API, there are two libraries: libsss-idmap and libsss-nss-idmap I try libsss-nss-idmap:

#include <sss_nss_idmap.h>
#include <stdio.h>
#include <stdlib.h>

int main()
{
        char *sid = NULL;
        enum sss_id_type type;
        int ret;

        ret = sss_nss_getsidbyname("administrator", &sid, &type);
        printf("ret: %d, sid: %s, type: %d\n", ret, sid, type);
        free(sid);
}

output:

ret: 0, sid: S-1-5-21-3675874838-1964521148-1538075311-500, type: 1

[wangyugui-e16]

[ksmbd-worker/3113]: ERROR: LSARPC: unsupported INVOKE method 130, alloc_hint : 96
[ksmbd-worker/3113]: ERROR: LSARPC: unsupported INVOKE method 130, alloc_hint : 96
[ksmbd-worker/3113]: ERROR: LSARPC: unsupported INVOKE method 130, alloc_hint : 96

[namjaejeon]

@wangyugui-e16 Okay, how can I reproduce it ? And Is there any issue when these error message are coming ?

[wangyugui-e16]

reproduce steps: 1) linux server /usr/sbin/ksmbd.mountd -v -n 2) windows client select a file of remote server from windows explorer, then right click, 'properties', then 'security' tab.

then error ' ERROR: LSARPC: unsupported INVOKE method 130, alloc_hint : 96' happen on linux server.

[namjaejeon]

Thanks:) I will try.