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-rw-r--r--libcli/smb/smb2cli_close.c3
-rw-r--r--libcli/smb/smb2cli_create.c13
-rw-r--r--libcli/smb/smb2cli_echo.c3
-rw-r--r--libcli/smb/smb2cli_flush.c3
-rw-r--r--libcli/smb/smb2cli_ioctl.c13
-rw-r--r--libcli/smb/smb2cli_query_directory.c3
-rw-r--r--libcli/smb/smb2cli_query_info.c3
-rw-r--r--libcli/smb/smb2cli_read.c3
-rw-r--r--libcli/smb/smb2cli_session.c6
-rw-r--r--libcli/smb/smb2cli_set_info.c3
-rw-r--r--libcli/smb/smb2cli_write.c3
-rw-r--r--libcli/smb/smbXcli_base.c7
-rw-r--r--libcli/smb/smbXcli_base.h3
13 files changed, 50 insertions, 16 deletions
diff --git a/libcli/smb/smb2cli_close.c b/libcli/smb/smb2cli_close.c
index ed15a203d8..5e3105618a 100644
--- a/libcli/smb/smb2cli_close.c
+++ b/libcli/smb/smb2cli_close.c
@@ -60,7 +60,8 @@ struct tevent_req *smb2cli_close_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- NULL, 0);
+ NULL, 0, /* dyn* */
+ 0); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_create.c b/libcli/smb/smb2cli_create.c
index 020a4685cb..3f8d67250c 100644
--- a/libcli/smb/smb2cli_create.c
+++ b/libcli/smb/smb2cli_create.c
@@ -62,6 +62,7 @@ struct tevent_req *smb2cli_create_send(
size_t blobs_offset;
uint8_t *dyn;
size_t dyn_len;
+ size_t max_dyn_len;
req = tevent_req_create(mem_ctx, &state,
struct smb2cli_create_state);
@@ -129,13 +130,23 @@ struct tevent_req *smb2cli_create_send(
data_blob_free(&blob);
}
+ /*
+ * We use max_dyn_len = 0
+ * as we don't explicitly ask for any output length.
+ *
+ * But it's still possible for the server to return
+ * large create blobs.
+ */
+ max_dyn_len = 0;
+
subreq = smb2cli_req_send(state, ev, conn, SMB2_OP_CREATE,
0, 0, /* flags */
timeout_msec,
tcon,
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ max_dyn_len);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_echo.c b/libcli/smb/smb2cli_echo.c
index 29cbf26115..39c592cebb 100644
--- a/libcli/smb/smb2cli_echo.c
+++ b/libcli/smb/smb2cli_echo.c
@@ -53,7 +53,8 @@ struct tevent_req *smb2cli_echo_send(TALLOC_CTX *mem_ctx,
NULL, /* tcon */
NULL, /* session */
state->fixed, sizeof(state->fixed),
- NULL, 0);
+ NULL, 0, /* dyn* */
+ 0); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_flush.c b/libcli/smb/smb2cli_flush.c
index 0ca2699ce3..f014720ad0 100644
--- a/libcli/smb/smb2cli_flush.c
+++ b/libcli/smb/smb2cli_flush.c
@@ -58,7 +58,8 @@ struct tevent_req *smb2cli_flush_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- NULL, 0);
+ NULL, 0, /* dyn* */
+ 0); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_ioctl.c b/libcli/smb/smb2cli_ioctl.c
index 15a990c256..8de76359a1 100644
--- a/libcli/smb/smb2cli_ioctl.c
+++ b/libcli/smb/smb2cli_ioctl.c
@@ -61,6 +61,8 @@ struct tevent_req *smb2cli_ioctl_send(TALLOC_CTX *mem_ctx,
uint32_t output_buffer_offset = 0;
uint32_t output_buffer_length = 0;
uint32_t pad_length = 0;
+ uint64_t tmp64;
+ uint32_t max_dyn_len = 0;
req = tevent_req_create(mem_ctx, &state,
struct smb2cli_ioctl_state);
@@ -70,6 +72,14 @@ struct tevent_req *smb2cli_ioctl_send(TALLOC_CTX *mem_ctx,
state->max_input_length = in_max_input_length;
state->max_output_length = in_max_output_length;
+ tmp64 = in_max_input_length;
+ tmp64 += in_max_output_length;
+ if (tmp64 > UINT32_MAX) {
+ max_dyn_len = UINT32_MAX;
+ } else {
+ max_dyn_len = tmp64;
+ }
+
if (in_input_buffer) {
input_buffer_offset = SMB2_HDR_BODY+0x38;
input_buffer_length = in_input_buffer->length;
@@ -139,7 +149,8 @@ struct tevent_req *smb2cli_ioctl_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ max_dyn_len);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_query_directory.c b/libcli/smb/smb2cli_query_directory.c
index 32f5bee0c5..bccc529455 100644
--- a/libcli/smb/smb2cli_query_directory.c
+++ b/libcli/smb/smb2cli_query_directory.c
@@ -93,7 +93,8 @@ struct tevent_req *smb2cli_query_directory_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ outbuf_len); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_query_info.c b/libcli/smb/smb2cli_query_info.c
index 9ec16b5c99..454f25a135 100644
--- a/libcli/smb/smb2cli_query_info.c
+++ b/libcli/smb/smb2cli_query_info.c
@@ -96,7 +96,8 @@ struct tevent_req *smb2cli_query_info_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ in_max_output_length); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_read.c b/libcli/smb/smb2cli_read.c
index 0adb403794..4a3162265f 100644
--- a/libcli/smb/smb2cli_read.c
+++ b/libcli/smb/smb2cli_read.c
@@ -72,7 +72,8 @@ struct tevent_req *smb2cli_read_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- state->dyn_pad, sizeof(state->dyn_pad));
+ state->dyn_pad, sizeof(state->dyn_pad),
+ length); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_session.c b/libcli/smb/smb2cli_session.c
index 537c17111d..4418a0d68f 100644
--- a/libcli/smb/smb2cli_session.c
+++ b/libcli/smb/smb2cli_session.c
@@ -102,7 +102,8 @@ struct tevent_req *smb2cli_session_setup_send(TALLOC_CTX *mem_ctx,
NULL, /* tcon */
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ UINT16_MAX); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
@@ -258,7 +259,8 @@ struct tevent_req *smb2cli_logoff_send(TALLOC_CTX *mem_ctx,
NULL, /* tcon */
session,
state->fixed, sizeof(state->fixed),
- NULL, 0);
+ NULL, 0, /* dyn* */
+ 0); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_set_info.c b/libcli/smb/smb2cli_set_info.c
index d5c7e583f1..6871370428 100644
--- a/libcli/smb/smb2cli_set_info.c
+++ b/libcli/smb/smb2cli_set_info.c
@@ -88,7 +88,8 @@ struct tevent_req *smb2cli_set_info_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ 0); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smb2cli_write.c b/libcli/smb/smb2cli_write.c
index 89137bd5ba..6d0a0aaaec 100644
--- a/libcli/smb/smb2cli_write.c
+++ b/libcli/smb/smb2cli_write.c
@@ -82,7 +82,8 @@ struct tevent_req *smb2cli_write_send(TALLOC_CTX *mem_ctx,
tcon,
session,
state->fixed, sizeof(state->fixed),
- dyn, dyn_len);
+ dyn, dyn_len,
+ 0); /* max_dyn_len */
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c
index 0271691455..2562442f28 100644
--- a/libcli/smb/smbXcli_base.c
+++ b/libcli/smb/smbXcli_base.c
@@ -2984,11 +2984,11 @@ struct tevent_req *smb2cli_req_send(TALLOC_CTX *mem_ctx,
const uint8_t *fixed,
uint16_t fixed_len,
const uint8_t *dyn,
- uint32_t dyn_len)
+ uint32_t dyn_len,
+ uint32_t max_dyn_len)
{
struct tevent_req *req;
NTSTATUS status;
- uint32_t max_dyn_len = 0;
req = smb2cli_req_create(mem_ctx, ev, conn, cmd,
additional_flags, clear_flags,
@@ -4260,7 +4260,8 @@ static struct tevent_req *smbXcli_negprot_smb2_subreq(struct smbXcli_negprot_sta
state->timeout_msec,
NULL, NULL, /* tcon, session */
state->smb2.fixed, sizeof(state->smb2.fixed),
- state->smb2.dyn, dialect_count*2);
+ state->smb2.dyn, dialect_count*2,
+ UINT16_MAX); /* max_dyn_len */
}
static void smbXcli_negprot_smb2_done(struct tevent_req *subreq)
diff --git a/libcli/smb/smbXcli_base.h b/libcli/smb/smbXcli_base.h
index 017c0f059d..4ce39c0db1 100644
--- a/libcli/smb/smbXcli_base.h
+++ b/libcli/smb/smbXcli_base.h
@@ -242,7 +242,8 @@ struct tevent_req *smb2cli_req_send(TALLOC_CTX *mem_ctx,
const uint8_t *fixed,
uint16_t fixed_len,
const uint8_t *dyn,
- uint32_t dyn_len);
+ uint32_t dyn_len,
+ uint32_t max_dyn_len);
NTSTATUS smb2cli_req_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct iovec **piov,
const struct smb2cli_req_expected_response *expected,
generated by cgit (git 2.34.1) at 2024-11-21 23:43:46 +0000