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s3: libsmb: Correctly save and restore connection tcon in smbclient, smbcacls and smbtorture3.

Browse Source 
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12831

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Richard Sharpe <realrichardsharpe@gmail.com>
This commit is contained in:
Jeremy Allison 2017-06-13 16:56:48 -07:00
parent 50f50256aa
commit bd31d538a2
5 changed files with 69 additions and 13 deletions
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24
source3/lib/util_sd.c
View File

@ -84,7 +84,7 @@ static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
enum lsa_SidType *type,
char **domain, char **name)
{
uint32_t orig_cnum = cli_state_get_tid(cli);
struct smbXcli_tcon *orig_tcon = NULL;
struct rpc_pipe_client *p = NULL;
struct policy_handle handle;
NTSTATUS status;
@ -93,6 +93,14 @@ static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
char **domains;
char **names;
if (cli_state_has_tcon(cli)) {
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
status = NT_STATUS_NO_MEMORY;
goto tcon_fail;
}
}
status = cli_tree_connect(cli, "IPC$", "?????", NULL);
if (!NT_STATUS_IS_OK(status)) {
goto tcon_fail;
@ -125,7 +133,7 @@ static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
TALLOC_FREE(p);
cli_tdis(cli);
tcon_fail:
cli_state_set_tid(cli, orig_cnum);
cli_state_restore_tcon(cli, orig_tcon);
TALLOC_FREE(frame);
return status;
}
@ -165,7 +173,7 @@ static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
enum lsa_SidType *type,
struct dom_sid *sid)
{
uint32_t orig_cnum = cli_state_get_tid(cli);
struct smbXcli_tcon *orig_tcon = NULL;
struct rpc_pipe_client *p;
struct policy_handle handle;
NTSTATUS status;
@ -173,6 +181,14 @@ static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
struct dom_sid *sids;
enum lsa_SidType *types;
if (cli_state_has_tcon(cli)) {
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
status = NT_STATUS_NO_MEMORY;
goto tcon_fail;
}
}
status = cli_tree_connect(cli, "IPC$", "?????", NULL);
if (!NT_STATUS_IS_OK(status)) {
goto tcon_fail;
@ -204,7 +220,7 @@ static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
TALLOC_FREE(p);
cli_tdis(cli);
tcon_fail:
cli_state_set_tid(cli, orig_cnum);
cli_state_restore_tcon(cli, orig_tcon);
TALLOC_FREE(frame);
return status;
}

18
source3/libsmb/clidfs.c
View File

@ -1205,7 +1205,7 @@ bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
size_t consumed = 0;
char *fullpath = NULL;
bool res;
uint32_t cnum;
struct smbXcli_tcon *orig_tcon = NULL;
char *newextrapath = NULL;
NTSTATUS status;
const char *remote_name;
@ -1215,7 +1215,6 @@ bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
}
remote_name = smbXcli_conn_remote_name(cli->conn);
cnum = cli_state_get_tid(cli);
/* special case. never check for a referral on the IPC$ share */
@ -1230,15 +1229,25 @@ bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
return false;
}
/* Store tcon state. */
if (cli_state_has_tcon(cli)) {
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
return false;
}
}
/* check for the referral */
if (!NT_STATUS_IS_OK(cli_tree_connect(cli, "IPC$", "IPC", NULL))) {
cli_state_restore_tcon(cli, orig_tcon);
return false;
}
if (force_encrypt) {
status = cli_cm_force_encryption_creds(cli, creds, "IPC$");
if (!NT_STATUS_IS_OK(status)) {
cli_state_restore_tcon(cli, orig_tcon);
return false;
}
}
@ -1248,12 +1257,13 @@ bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
res = NT_STATUS_IS_OK(status);
status = cli_tdis(cli);
cli_state_restore_tcon(cli, orig_tcon);
if (!NT_STATUS_IS_OK(status)) {
return false;
}
cli_state_set_tid(cli, cnum);
if (!res || !num_refs) {
return false;
}

16
source3/torture/torture.c
View File

@ -1302,6 +1302,7 @@ static bool run_tcon_test(int dummy)
const char *fname = "\\tcontest.tmp";
uint16_t fnum1;
uint32_t cnum1, cnum2, cnum3;
struct smbXcli_tcon *orig_tcon = NULL;
uint16_t vuid1, vuid2;
char buf[4];
bool ret = True;
@ -1333,6 +1334,11 @@ static bool run_tcon_test(int dummy)
return False;
}
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
return false;
}
status = cli_tree_connect_creds(cli, share, "?????", torture_creds);
if (!NT_STATUS_IS_OK(status)) {
printf("%s refused 2nd tree connect (%s)\n", host,
@ -1400,6 +1406,8 @@ static bool run_tcon_test(int dummy)
return False;
}
cli_state_restore_tcon(cli, orig_tcon);
cli_state_set_tid(cli, cnum1);
if (!torture_close_connection(cli)) {
@ -9017,6 +9025,7 @@ static bool run_uid_regression_test(int dummy)
int16_t old_vuid;
int32_t old_cnum;
bool correct = True;
struct smbXcli_tcon *orig_tcon = NULL;
NTSTATUS status;
printf("starting uid regression test\n");
@ -9057,6 +9066,11 @@ static bool run_uid_regression_test(int dummy)
}
old_cnum = cli_state_get_tid(cli);
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
correct = false;
goto out;
}
/* Now try a SMBtdis with the invald vuid set to zero. */
cli_state_set_uid(cli, 0);
@ -9069,9 +9083,11 @@ static bool run_uid_regression_test(int dummy)
} else {
d_printf("First tdis failed (%s)\n", nt_errstr(status));
correct = false;
cli_state_restore_tcon(cli, orig_tcon);
goto out;
}
cli_state_restore_tcon(cli, orig_tcon);
cli_state_set_uid(cli, old_vuid);
cli_state_set_tid(cli, old_cnum);

12
source3/utils/net_rpc.c
View File

@ -5101,7 +5101,7 @@ static void show_userlist(struct rpc_pipe_client *pipe_hnd,
union srvsvc_NetShareInfo info;
WERROR result;
NTSTATUS status;
uint16_t cnum;
struct smbXcli_tcon *orig_tcon = NULL;
struct dcerpc_binding_handle *b = pipe_hnd->binding_handle;
status = dcerpc_srvsvc_NetShareGetInfo(b, mem_ctx,
@ -5123,9 +5123,15 @@ static void show_userlist(struct rpc_pipe_client *pipe_hnd,
netname));
}
cnum = cli_state_get_tid(cli);
if (cli_state_has_tcon(cli)) {
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
return;
}
}
if (!NT_STATUS_IS_OK(cli_tree_connect(cli, netname, "A:", NULL))) {
cli_state_restore_tcon(cli, orig_tcon);
return;
}
@ -5168,7 +5174,7 @@ static void show_userlist(struct rpc_pipe_client *pipe_hnd,
if (fnum != (uint16_t)-1)
cli_close(cli, fnum);
cli_tdis(cli);
cli_state_set_tid(cli, cnum);
cli_state_restore_tcon(cli, orig_tcon);
return;
}

12
source3/utils/smbcacls.c
View File

@ -51,12 +51,20 @@ static NTSTATUS cli_lsa_lookup_domain_sid(struct cli_state *cli,
struct dom_sid *sid)
{
union lsa_PolicyInformation *info = NULL;
uint16_t orig_cnum = cli_state_get_tid(cli);
struct smbXcli_tcon *orig_tcon = NULL;
struct rpc_pipe_client *rpc_pipe = NULL;
struct policy_handle handle;
NTSTATUS status, result;
TALLOC_CTX *frame = talloc_stackframe();
if (cli_state_has_tcon(cli)) {
orig_tcon = cli_state_save_tcon(cli);
if (orig_tcon == NULL) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
}
status = cli_tree_connect(cli, "IPC$", "?????", NULL);
if (!NT_STATUS_IS_OK(status)) {
goto done;
@ -88,7 +96,7 @@ tdis:
TALLOC_FREE(rpc_pipe);
cli_tdis(cli);
done:
cli_state_set_tid(cli, orig_cnum);
cli_state_restore_tcon(cli, orig_tcon);
TALLOC_FREE(frame);
return status;
}