diff options
-rw-r--r-- | source4/lib/tdr/tdr.c | 51 | ||||
-rw-r--r-- | source4/lib/tdr/tdr.h | 7 |
2 files changed, 25 insertions, 33 deletions
diff --git a/source4/lib/tdr/tdr.c b/source4/lib/tdr/tdr.c index 1c84d2229f..1d859fdcd5 100644 --- a/source4/lib/tdr/tdr.c +++ b/source4/lib/tdr/tdr.c @@ -29,25 +29,24 @@ #define TDR_PUSH_NEED_BYTES(tdr, n) TDR_CHECK(tdr_push_expand(tdr, tdr->offset+(n))) #define TDR_PULL_NEED_BYTES(tdr, n) do { \ - if ((n) > tdr->length || tdr->offset + (n) > tdr->length) { \ + if ((n) > tdr->data.length || tdr->offset + (n) > tdr->data.length) { \ return NT_STATUS_BUFFER_TOO_SMALL; \ } \ } while(0) #define TDR_BE(tdr) ((tdr)->flags & TDR_BIG_ENDIAN) -#define TDR_SVAL(tdr, ofs) (TDR_BE(tdr)?RSVAL(tdr->data,ofs):SVAL(tdr->data,ofs)) -#define TDR_IVAL(tdr, ofs) (TDR_BE(tdr)?RIVAL(tdr->data,ofs):IVAL(tdr->data,ofs)) -#define TDR_IVALS(tdr, ofs) (TDR_BE(tdr)?RIVALS(tdr->data,ofs):IVALS(tdr->data,ofs)) -#define TDR_SSVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSSVAL(tdr->data,ofs,v); } else SSVAL(tdr->data,ofs,v); } while (0) -#define TDR_SIVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVAL(tdr->data,ofs,v); } else SIVAL(tdr->data,ofs,v); } while (0) -#define TDR_SIVALS(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVALS(tdr->data,ofs,v); } else SIVALS(tdr->data,ofs,v); } while (0) +#define TDR_SVAL(tdr, ofs) (TDR_BE(tdr)?RSVAL(tdr->data.data,ofs):SVAL(tdr->data.data,ofs)) +#define TDR_IVAL(tdr, ofs) (TDR_BE(tdr)?RIVAL(tdr->data.data,ofs):IVAL(tdr->data.data,ofs)) +#define TDR_IVALS(tdr, ofs) (TDR_BE(tdr)?RIVALS(tdr->data.data,ofs):IVALS(tdr->data.data,ofs)) +#define TDR_SSVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSSVAL(tdr->data.data,ofs,v); } else SSVAL(tdr->data.data,ofs,v); } while (0) +#define TDR_SIVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVAL(tdr->data.data,ofs,v); } else SIVAL(tdr->data.data,ofs,v); } while (0) +#define TDR_SIVALS(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVALS(tdr->data.data,ofs,v); } else SIVALS(tdr->data.data,ofs,v); } while (0) -struct tdr_pull *tdr_pull_init(TALLOC_CTX *mem_ctx, DATA_BLOB *blob) +struct tdr_pull *tdr_pull_init(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob) { struct tdr_pull *tdr = talloc_zero(mem_ctx, struct tdr_pull); - tdr->data = blob->data; - tdr->length = blob->length; + tdr->data = *blob; return tdr; } @@ -66,15 +65,11 @@ struct tdr_print *tdr_print_init(TALLOC_CTX *mem_ctx) */ NTSTATUS tdr_push_expand(struct tdr_push *tdr, uint32_t size) { - if (tdr->alloc_size >= size) { + if (talloc_get_size(tdr->data.data) >= size) { return NT_STATUS_OK; } - tdr->alloc_size += TDR_BASE_MARSHALL_SIZE; - if (size > tdr->alloc_size) { - tdr->length = size; - } - tdr->data = talloc_realloc(tdr, tdr->data, uint8_t, tdr->alloc_size); + tdr->data.data = talloc_realloc(tdr, tdr->data.data, uint8_t, tdr->data.length + TDR_BASE_MARSHALL_SIZE); return NT_STATUS_NO_MEMORY; } @@ -82,7 +77,7 @@ NTSTATUS tdr_push_expand(struct tdr_push *tdr, uint32_t size) NTSTATUS tdr_pull_uint8(struct tdr_pull *tdr, uint8_t *v) { TDR_PULL_NEED_BYTES(tdr, 1); - SCVAL(tdr->data, tdr->offset, *v); + SCVAL(tdr->data.data, tdr->offset, *v); tdr->offset += 1; return NT_STATUS_OK; } @@ -90,7 +85,7 @@ 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); - SCVAL(tdr->data, tdr->offset, *v); + SCVAL(tdr->data.data, tdr->offset, *v); tdr->offset += 1; return NT_STATUS_OK; } @@ -152,10 +147,10 @@ NTSTATUS tdr_pull_charset(struct tdr_pull *tdr, const char **v, uint32_t length, if (length == -1) { switch (chset) { case CH_DOS: - length = ascii_len_n((const char*)tdr->data+tdr->offset, tdr->length-tdr->offset); + length = ascii_len_n((const char*)tdr->data.data+tdr->offset, tdr->data.length-tdr->offset); break; case CH_UTF16: - length = utf16_len_n(tdr->data+tdr->offset, tdr->length-tdr->offset); + length = utf16_len_n(tdr->data.data+tdr->offset, tdr->data.length-tdr->offset); break; default: @@ -165,7 +160,7 @@ NTSTATUS tdr_pull_charset(struct tdr_pull *tdr, const char **v, uint32_t length, TDR_PULL_NEED_BYTES(tdr, el_size*length); - ret = convert_string_talloc(tdr, chset, CH_UNIX, tdr->data+tdr->offset, el_size*length, discard_const_p(void *, v)); + ret = convert_string_talloc(tdr, chset, CH_UNIX, tdr->data.data+tdr->offset, el_size*length, discard_const_p(void *, v)); if (ret == -1) { return NT_STATUS_INVALID_PARAMETER; @@ -181,7 +176,7 @@ 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+tdr->offset, required); + ret = convert_string(CH_UNIX, chset, *v, strlen(*v), tdr->data.data+tdr->offset, required); if (ret == -1) { return NT_STATUS_INVALID_PARAMETER; @@ -189,7 +184,7 @@ 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+tdr->offset+ret, 0, required-ret); + memset(tdr->data.data+tdr->offset+ret, 0, required-ret); } tdr->offset += required; @@ -344,7 +339,7 @@ NTSTATUS tdr_push_DATA_BLOB(struct tdr_push *tdr, DATA_BLOB *blob) TDR_PUSH_NEED_BYTES(tdr, blob->length); - memcpy(tdr->data+tdr->offset, blob->data, blob->length); + memcpy(tdr->data.data+tdr->offset, blob->data, blob->length); return NT_STATUS_OK; } @@ -362,18 +357,18 @@ NTSTATUS tdr_pull_DATA_BLOB(struct tdr_pull *tdr, DATA_BLOB *blob) } else if (tdr->flags & TDR_ALIGN8) { length = TDR_ALIGN(tdr, 8); } else if (tdr->flags & TDR_REMAINING) { - length = tdr->length - tdr->offset; + length = tdr->data.length - tdr->offset; } else { return NT_STATUS_INVALID_PARAMETER; } - if (tdr->length - tdr->offset < length) { - length = tdr->length - tdr->offset; + if (tdr->data.length - tdr->offset < length) { + length = tdr->data.length - tdr->offset; } TDR_PULL_NEED_BYTES(tdr, length); - *blob = data_blob_talloc(tdr, tdr->data+tdr->offset, length); + *blob = data_blob_talloc(tdr, tdr->data.data+tdr->offset, length); tdr->offset += length; return NT_STATUS_OK; } diff --git a/source4/lib/tdr/tdr.h b/source4/lib/tdr/tdr.h index b6a1177c0d..9d9d2b8adf 100644 --- a/source4/lib/tdr/tdr.h +++ b/source4/lib/tdr/tdr.h @@ -25,17 +25,14 @@ #define TDR_REMAINING 0x10 struct tdr_pull { - uint8_t *data; + DATA_BLOB data; uint32_t offset; - uint32_t length; int flags; }; struct tdr_push { - uint8_t *data; - uint32_t alloc_size; + DATA_BLOB data; uint32_t offset; - uint32_t length; int flags; }; |