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-rw-r--r--source4/lib/tdr/TODO2
-rw-r--r--source4/lib/tdr/tdr.c66
-rw-r--r--source4/lib/tdr/tdr.h3
3 files changed, 48 insertions, 23 deletions
diff --git a/source4/lib/tdr/TODO b/source4/lib/tdr/TODO
new file mode 100644
index 0000000000..93c9cb255f
--- /dev/null
+++ b/source4/lib/tdr/TODO
@@ -0,0 +1,2 @@
+- Support read/write (to fd) as well as push/pull (to DATA_BLOB)
+- Specify memory context explicitly
diff --git a/source4/lib/tdr/tdr.c b/source4/lib/tdr/tdr.c
index e1e54622ac..fdb6f1ca6e 100644
--- a/source4/lib/tdr/tdr.c
+++ b/source4/lib/tdr/tdr.c
@@ -23,10 +23,11 @@
#include "includes.h"
#include "system/network.h"
+#include "system/filesys.h"
#define TDR_BASE_MARSHALL_SIZE 1024
-#define TDR_PUSH_NEED_BYTES(tdr, n) TDR_CHECK(tdr_push_expand(tdr, tdr->offset+(n)))
+#define TDR_PUSH_NEED_BYTES(tdr, n) TDR_CHECK(tdr_push_expand(tdr, tdr->data.length+(n)))
#define TDR_PULL_NEED_BYTES(tdr, n) do { \
if ((n) > tdr->data.length || tdr->offset + (n) > tdr->data.length) { \
@@ -74,8 +75,8 @@ NTSTATUS tdr_pull_uint8(struct tdr_pull *tdr, uint8_t *v)
NTSTATUS tdr_push_uint8(struct tdr_push *tdr, const uint8_t *v)
{
TDR_PUSH_NEED_BYTES(tdr, 1);
- TDR_SCVAL(tdr, tdr->offset, *v);
- tdr->offset += 1;
+ TDR_SCVAL(tdr, tdr->data.length, *v);
+ tdr->data.length += 1;
return NT_STATUS_OK;
}
@@ -96,8 +97,8 @@ NTSTATUS tdr_pull_uint16(struct tdr_pull *tdr, uint16_t *v)
NTSTATUS tdr_push_uint16(struct tdr_push *tdr, const uint16_t *v)
{
TDR_PUSH_NEED_BYTES(tdr, 2);
- TDR_SSVAL(tdr, tdr->offset, *v);
- tdr->offset += 2;
+ TDR_SSVAL(tdr, tdr->data.length, *v);
+ tdr->data.length += 2;
return NT_STATUS_OK;
}
@@ -118,8 +119,8 @@ NTSTATUS tdr_pull_uint32(struct tdr_pull *tdr, uint32_t *v)
NTSTATUS tdr_push_uint32(struct tdr_push *tdr, const uint32_t *v)
{
TDR_PUSH_NEED_BYTES(tdr, 4);
- TDR_SIVAL(tdr, tdr->offset, *v);
- tdr->offset += 4;
+ TDR_SIVAL(tdr, tdr->data.length, *v);
+ tdr->data.length += 4;
return NT_STATUS_OK;
}
@@ -172,7 +173,7 @@ NTSTATUS tdr_push_charset(struct tdr_push *tdr, const char **v, uint32_t length,
required = el_size * length;
TDR_PUSH_NEED_BYTES(tdr, required);
- ret = convert_string(CH_UNIX, chset, *v, strlen(*v), tdr->data.data+tdr->offset, required);
+ ret = convert_string(CH_UNIX, chset, *v, strlen(*v), tdr->data.data+tdr->data.length, required);
if (ret == -1) {
return NT_STATUS_INVALID_PARAMETER;
@@ -180,10 +181,10 @@ NTSTATUS tdr_push_charset(struct tdr_push *tdr, const char **v, uint32_t length,
/* Make sure the remaining part of the string is filled with zeroes */
if (ret < required) {
- memset(tdr->data.data+tdr->offset+ret, 0, required-ret);
+ memset(tdr->data.data+tdr->data.length+ret, 0, required-ret);
}
- tdr->offset += required;
+ tdr->data.length += required;
return NT_STATUS_OK;
}
@@ -245,9 +246,9 @@ NTSTATUS tdr_pull_hyper(struct tdr_pull *tdr, uint64_t *v)
NTSTATUS tdr_push_hyper(struct tdr_push *tdr, uint64_t *v)
{
TDR_PUSH_NEED_BYTES(tdr, 8);
- TDR_SIVAL(tdr, tdr->offset, ((*v) & 0xFFFFFFFF));
- TDR_SIVAL(tdr, tdr->offset+4, ((*v)>>32));
- tdr->offset += 8;
+ TDR_SIVAL(tdr, tdr->data.length, ((*v) & 0xFFFFFFFF));
+ TDR_SIVAL(tdr, tdr->data.length+4, ((*v)>>32));
+ tdr->data.length += 8;
return NT_STATUS_OK;
}
@@ -318,7 +319,7 @@ NTSTATUS tdr_print_DATA_BLOB(struct tdr_print *tdr, const char *name, DATA_BLOB
return NT_STATUS_OK;
}
-#define TDR_ALIGN(tdr,n) (((tdr)->offset & ((n)-1)) == 0?0:((n)-((tdr)->offset&((n)-1))))
+#define TDR_ALIGN(l,n) (((l) & ((n)-1)) == 0?0:((n)-((l)&((n)-1))))
/*
push a DATA_BLOB onto the wire.
@@ -326,16 +327,16 @@ NTSTATUS tdr_print_DATA_BLOB(struct tdr_print *tdr, const char *name, DATA_BLOB
NTSTATUS tdr_push_DATA_BLOB(struct tdr_push *tdr, DATA_BLOB *blob)
{
if (tdr->flags & TDR_ALIGN2) {
- blob->length = TDR_ALIGN(tdr, 2);
+ blob->length = TDR_ALIGN(tdr->data.length, 2);
} else if (tdr->flags & TDR_ALIGN4) {
- blob->length = TDR_ALIGN(tdr, 4);
+ blob->length = TDR_ALIGN(tdr->data.length, 4);
} else if (tdr->flags & TDR_ALIGN8) {
- blob->length = TDR_ALIGN(tdr, 8);
+ blob->length = TDR_ALIGN(tdr->data.length, 8);
}
TDR_PUSH_NEED_BYTES(tdr, blob->length);
- memcpy(tdr->data.data+tdr->offset, blob->data, blob->length);
+ memcpy(tdr->data.data+tdr->data.length, blob->data, blob->length);
return NT_STATUS_OK;
}
@@ -347,11 +348,11 @@ NTSTATUS tdr_pull_DATA_BLOB(struct tdr_pull *tdr, DATA_BLOB *blob)
uint32_t length;
if (tdr->flags & TDR_ALIGN2) {
- length = TDR_ALIGN(tdr, 2);
+ length = TDR_ALIGN(tdr->offset, 2);
} else if (tdr->flags & TDR_ALIGN4) {
- length = TDR_ALIGN(tdr, 4);
+ length = TDR_ALIGN(tdr->offset, 4);
} else if (tdr->flags & TDR_ALIGN8) {
- length = TDR_ALIGN(tdr, 8);
+ length = TDR_ALIGN(tdr->offset, 8);
} else if (tdr->flags & TDR_REMAINING) {
length = tdr->data.length - tdr->offset;
} else {
@@ -368,3 +369,26 @@ NTSTATUS tdr_pull_DATA_BLOB(struct tdr_pull *tdr, DATA_BLOB *blob)
tdr->offset += length;
return NT_STATUS_OK;
}
+
+NTSTATUS tdr_push_to_fd(int fd, tdr_push_fn_t push_fn, const void *p)
+{
+ struct tdr_push *push = talloc_zero(NULL, struct tdr_push);
+
+ if (push == NULL)
+ return NT_STATUS_NO_MEMORY;
+
+ if (NT_STATUS_IS_ERR(push_fn(push, p))) {
+ DEBUG(1, ("Error pushing data\n"));
+ talloc_free(push);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (write(fd, push->data.data, push->data.length) < push->data.length) {
+ DEBUG(1, ("Error writing all data\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ talloc_free(push);
+
+ return NT_STATUS_OK;
+}
diff --git a/source4/lib/tdr/tdr.h b/source4/lib/tdr/tdr.h
index a37a1efaaa..fdd877f41d 100644
--- a/source4/lib/tdr/tdr.h
+++ b/source4/lib/tdr/tdr.h
@@ -32,7 +32,6 @@ struct tdr_pull {
struct tdr_push {
DATA_BLOB data;
- uint32_t offset;
int flags;
};
@@ -53,5 +52,5 @@ struct tdr_print {
if ((n) && !(s)) return NT_STATUS_NO_MEMORY; \
} while (0)
-typedef NTSTATUS (*tdr_push_fn_t) (struct tdr_push *, void *);
+typedef NTSTATUS (*tdr_push_fn_t) (struct tdr_push *, const void *);
typedef NTSTATUS (*tdr_pull_fn_t) (struct tdr_pull *, void *);
generated by cgit (git 2.34.1) at 2024-07-08 13:44:34 +0000