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s3-auth: Use SamInfo3_for_guest to create guest server_info.

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Signed-off-by: Simo Sorce <idra@samba.org>
This commit is contained in:
Andreas Schneider 2010-08-18 17:17:42 +02:00 committed by Simo Sorce
parent 5f419eaa32
commit 9dd7e7fc2d
1 changed files with 71 additions and 20 deletions
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91
source3/auth/auth_util.c
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@ -25,6 +25,7 @@
#include "smbd/globals.h"
#include "../libcli/auth/libcli_auth.h"
#include "../lib/crypto/arcfour.h"
#include "rpc_client/init_lsa.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
@ -631,6 +632,54 @@ NTSTATUS make_server_info_pw(struct auth_serversupplied_info **server_info,
return NT_STATUS_OK;
}
static NTSTATUS get_guest_info3(TALLOC_CTX *mem_ctx,
struct netr_SamInfo3 *info3)
{
const char *guest_account = lp_guestaccount();
struct dom_sid domain_sid;
struct passwd *pwd;
const char *tmp;
NTSTATUS status;
pwd = getpwnam_alloc(mem_ctx, guest_account);
if (pwd == NULL) {
DEBUG(0,("SamInfo3_for_guest: Unable to locate guest "
"account [%s]!\n", guest_account));
return NT_STATUS_NO_SUCH_USER;
}
/* Set acount name */
tmp = talloc_strdup(mem_ctx, pwd->pw_name);
if (tmp == NULL) {
return NT_STATUS_NO_MEMORY;
}
init_lsa_String(&info3->base.account_name, tmp);
/* Set domain name */
tmp = talloc_strdup(mem_ctx, get_global_sam_name());
if (tmp == NULL) {
return NT_STATUS_NO_MEMORY;
}
init_lsa_StringLarge(&info3->base.domain, tmp);
/* Domain sid */
sid_copy(&domain_sid, get_global_sam_sid());
info3->base.domain_sid = sid_dup_talloc(mem_ctx, &domain_sid);
if (info3->base.domain_sid == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* Guest rid */
info3->base.rid = DOMAIN_RID_GUEST;
/* Primary gid */
info3->base.primary_gid = BUILTIN_RID_GUESTS;
TALLOC_FREE(pwd);
return status;
}
/***************************************************************************
Make (and fill) a user_info struct for a guest login.
This *must* succeed for smbd to start. If there is no mapping entry for
@ -639,35 +688,34 @@ NTSTATUS make_server_info_pw(struct auth_serversupplied_info **server_info,
static NTSTATUS make_new_server_info_guest(struct auth_serversupplied_info **server_info)
{
static const char zeros[16] = {0};
const char *guest_account = lp_guestaccount();
const char *domain = global_myname();
struct netr_SamInfo3 info3;
TALLOC_CTX *tmp_ctx;
NTSTATUS status;
struct samu *sampass = NULL;
struct dom_sid guest_sid;
bool ret;
static const char zeros[16] = {0, };
fstring tmp;
if ( !(sampass = samu_new( NULL )) ) {
tmp_ctx = talloc_stackframe();
if (tmp_ctx == NULL) {
return NT_STATUS_NO_MEMORY;
}
sid_compose(&guest_sid, get_global_sam_sid(), DOMAIN_RID_GUEST);
ZERO_STRUCT(info3);
become_root();
ret = pdb_getsampwsid(sampass, &guest_sid);
unbecome_root();
if (!ret) {
TALLOC_FREE(sampass);
return NT_STATUS_NO_SUCH_USER;
}
status = make_server_info_sam(server_info, sampass);
status = get_guest_info3(tmp_ctx, &info3);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(sampass);
return status;
goto done;
}
TALLOC_FREE(sampass);
status = make_server_info_info3(tmp_ctx,
guest_account,
domain,
server_info,
&info3);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
(*server_info)->guest = True;
@ -675,7 +723,7 @@ static NTSTATUS make_new_server_info_guest(struct auth_serversupplied_info **ser
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("create_local_token failed: %s\n",
nt_errstr(status)));
return status;
goto done;
}
/* annoying, but the Guest really does have a session key, and it is
@ -687,6 +735,9 @@ static NTSTATUS make_new_server_info_guest(struct auth_serversupplied_info **ser
". _-$", sizeof(tmp));
(*server_info)->sanitized_username = talloc_strdup(*server_info, tmp);
status = NT_STATUS_OK;
done:
TALLOC_FREE(tmp_ctx);
return NT_STATUS_OK;
}