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r22528: remember that the connection was marked dead and don't

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allow sending packet over the broken connection,
as we would segfault...

metze
(This used to be commit 738b2c7411)
This commit is contained in:
Stefan Metzmacher 2007-04-27 05:45:53 +00:00 committed by Gerald (Jerry) Carter
parent 78db3d4307
commit 42b133748f
2 changed files with 41 additions and 0 deletions
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21
source4/librpc/rpc/dcerpc_smb.c
View File

@ -31,6 +31,7 @@ struct smb_private {
uint16_t fnum;
struct smbcli_tree *tree;
const char *server_name;
bool dead;
};
@ -39,6 +40,14 @@ struct smb_private {
*/
static void pipe_dead(struct dcerpc_connection *c, NTSTATUS status)
{
struct smb_private *smb = c->transport.private;
smb->dead = true;
if (smb->dead) {
return;
}
if (NT_STATUS_EQUAL(NT_STATUS_UNSUCCESSFUL, status)) {
status = NT_STATUS_UNEXPECTED_NETWORK_ERROR;
}
@ -189,6 +198,12 @@ static NTSTATUS send_read_request_continue(struct dcerpc_connection *c, DATA_BLO
*/
static NTSTATUS send_read_request(struct dcerpc_connection *c)
{
struct smb_private *smb = c->transport.private;
if (smb->dead) {
return NT_STATUS_CONNECTION_DISCONNECTED;
}
return send_read_request_continue(c, NULL);
}
@ -302,6 +317,10 @@ static NTSTATUS smb_send_request(struct dcerpc_connection *c, DATA_BLOB *blob, B
union smb_write io;
struct smbcli_request *req;
if (smb->dead) {
return NT_STATUS_CONNECTION_DISCONNECTED;
}
if (trigger_read) {
return smb_send_trans_request(c, blob);
}
@ -505,6 +524,8 @@ static void pipe_open_recv(struct smbcli_request *req)
smb->server_name= strupper_talloc(smb,
state->tree->session->transport->called.name);
if (composite_nomem(smb->server_name, ctx)) return;
smb->dead = false;
c->transport.private = smb;
composite_done(ctx);

20
source4/librpc/rpc/dcerpc_smb2.c
View File

@ -33,6 +33,7 @@ struct smb2_private {
struct smb2_handle handle;
struct smb2_tree *tree;
const char *server_name;
bool dead;
};
@ -41,6 +42,14 @@ struct smb2_private {
*/
static void pipe_dead(struct dcerpc_connection *c, NTSTATUS status)
{
struct smb2_private *smb = c->transport.private;
smb->dead = true;
if (smb->dead) {
return;
}
if (NT_STATUS_EQUAL(NT_STATUS_UNSUCCESSFUL, status)) {
status = NT_STATUS_UNEXPECTED_NETWORK_ERROR;
}
@ -183,6 +192,12 @@ static NTSTATUS send_read_request_continue(struct dcerpc_connection *c, DATA_BLO
*/
static NTSTATUS send_read_request(struct dcerpc_connection *c)
{
struct smb2_private *smb = c->transport.private;
if (smb->dead) {
return NT_STATUS_CONNECTION_DISCONNECTED;
}
return send_read_request_continue(c, NULL);
}
@ -287,6 +302,10 @@ static NTSTATUS smb2_send_request(struct dcerpc_connection *c, DATA_BLOB *blob,
struct smb2_write io;
struct smb2_request *req;
if (smb->dead) {
return NT_STATUS_CONNECTION_DISCONNECTED;
}
if (trigger_read) {
return smb2_send_trans_request(c, blob);
}
@ -461,6 +480,7 @@ static void pipe_open_recv(struct smb2_request *req)
smb->server_name= strupper_talloc(smb,
tree->session->transport->socket->hostname);
if (composite_nomem(smb->server_name, ctx)) return;
smb->dead = false;
c->transport.private = smb;