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[acl] converting group sid to GROUP@

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when we process aces from windows, if we see an ace with sids of
the primary group, replace that with GROUP@ special who identifier.
This commit is contained in:
Olga Kornievskaia 2011-06-27 16:01:34 -04:00
parent 2db91a3001
commit 0d0cee6ad6
1 changed files with 30 additions and 16 deletions
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32
daemon/acl.c
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@ -543,7 +543,7 @@ static void map_acemask(ACCESS_MASK mask, int file_type, uint32_t *nfs4_mask)
print_nfs_access_mask(0, *nfs4_mask); print_nfs_access_mask(0, *nfs4_mask);
} }
static int map_nfs4ace_who(PSID sid, PSID owner_sid, char *who_out, char *domain) static int map_nfs4ace_who(PSID sid, PSID owner_sid, PSID group_sid, char *who_out, char *domain)
{ {
int status = ERROR_INTERNAL_ERROR; int status = ERROR_INTERNAL_ERROR;
DWORD size = 0, tmp_size = 0; DWORD size = 0, tmp_size = 0;
@ -560,12 +560,21 @@ static int map_nfs4ace_who(PSID sid, PSID owner_sid, char *who_out, char *domain
* but for set_owner attribute we want to map owner into a user name * but for set_owner attribute we want to map owner into a user name
* same applies to group * same applies to group
*/ */
status = 0;
if (owner_sid) { if (owner_sid) {
if (EqualSid(sid, owner_sid)) { if (EqualSid(sid, owner_sid)) {
dprintf(1, "map_nfs4ace_who: this is owner's sid\n"); dprintf(1, "map_nfs4ace_who: this is owner's sid\n");
memcpy(who_out, ACE4_OWNER, strlen(ACE4_OWNER)+1); memcpy(who_out, ACE4_OWNER, strlen(ACE4_OWNER)+1);
return ERROR_SUCCESS; return ERROR_SUCCESS;
} }
}
if (group_sid) {
if (EqualSid(sid, group_sid)) {
dprintf(1, "map_nfs4ace_who: this is group's sid\n");
memcpy(who_out, ACE4_GROUP, strlen(ACE4_GROUP)+1);
return ERROR_SUCCESS;
}
}
status = is_well_known_sid(sid, who_out); status = is_well_known_sid(sid, who_out);
if (status) { if (status) {
if (!strncmp(who_out, ACE4_NOBODY, strlen(ACE4_NOBODY))) { if (!strncmp(who_out, ACE4_NOBODY, strlen(ACE4_NOBODY))) {
@ -575,7 +584,6 @@ static int map_nfs4ace_who(PSID sid, PSID owner_sid, char *who_out, char *domain
else else
return ERROR_SUCCESS; return ERROR_SUCCESS;
} }
}
status = LookupAccountSid(NULL, sid, who, &size, tmp_buf, status = LookupAccountSid(NULL, sid, who, &size, tmp_buf,
&tmp_size, &sid_type); &tmp_size, &sid_type);
@ -617,7 +625,7 @@ out_free_who:
status = GetLastError(); status = GetLastError();
goto out; goto out;
} }
static int map_dacl_2_nfs4acl(PACL acl, PSID sid, nfsacl41 *nfs4_acl, static int map_dacl_2_nfs4acl(PACL acl, PSID sid, PSID gsid, nfsacl41 *nfs4_acl,
int file_type, char *domain) int file_type, char *domain)
{ {
int status; int status;
@ -679,7 +687,7 @@ static int map_dacl_2_nfs4acl(PACL acl, PSID sid, nfsacl41 *nfs4_acl,
&nfs4_acl->aces[i].acemask); &nfs4_acl->aces[i].acemask);
tmp_pointer += sizeof(ACCESS_MASK) + sizeof(ACE_HEADER); tmp_pointer += sizeof(ACCESS_MASK) + sizeof(ACE_HEADER);
status = map_nfs4ace_who(tmp_pointer, sid, nfs4_acl->aces[i].who, status = map_nfs4ace_who(tmp_pointer, sid, gsid, nfs4_acl->aces[i].who,
domain); domain);
if (status) if (status)
goto out_free; goto out_free;
@ -701,8 +709,8 @@ static int handle_setacl(nfs41_upcall *upcall)
nfs41_file_info info; nfs41_file_info info;
stateid_arg stateid; stateid_arg stateid;
nfsacl41 nfs4_acl; nfsacl41 nfs4_acl;
PSID sid = NULL; PSID sid = NULL, gsid = NULL;
BOOL sid_default; BOOL sid_default, gsid_default;
ZeroMemory(&info, sizeof(info)); ZeroMemory(&info, sizeof(info));
@ -714,7 +722,7 @@ static int handle_setacl(nfs41_upcall *upcall)
eprintf("GetSecurityDescriptorOwner failed with %d\n", status); eprintf("GetSecurityDescriptorOwner failed with %d\n", status);
goto out; goto out;
} }
status = map_nfs4ace_who(sid, NULL, (char *)info.owner, status = map_nfs4ace_who(sid, NULL, NULL, (char *)info.owner,
state->session->client->domain_name); state->session->client->domain_name);
if (status) if (status)
goto out; goto out;
@ -732,7 +740,7 @@ static int handle_setacl(nfs41_upcall *upcall)
eprintf("GetSecurityDescriptorOwner failed with %d\n", status); eprintf("GetSecurityDescriptorOwner failed with %d\n", status);
goto out; goto out;
} }
status = map_nfs4ace_who(sid, NULL, (char *)info.owner_group, status = map_nfs4ace_who(sid, NULL, NULL, (char *)info.owner_group,
state->session->client->domain_name); state->session->client->domain_name);
if (status) if (status)
goto out; goto out;
@ -759,7 +767,13 @@ static int handle_setacl(nfs41_upcall *upcall)
eprintf("GetSecurityDescriptorOwner failed with %d\n", status); eprintf("GetSecurityDescriptorOwner failed with %d\n", status);
goto out; goto out;
} }
status = map_dacl_2_nfs4acl(acl, sid, &nfs4_acl, state->type, status = GetSecurityDescriptorGroup(args->sec_desc, &gsid, &gsid_default);
if (!status) {
status = GetLastError();
eprintf("GetSecurityDescriptorOwner failed with %d\n", status);
goto out;
}
status = map_dacl_2_nfs4acl(acl, sid, gsid, &nfs4_acl, state->type,
state->session->client->domain_name); state->session->client->domain_name);
if (status) if (status)
goto out; goto out;