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| author | Stefan Metzmacher <metze@samba.org> | 2005-03-29 10:01:34 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:11:20 -0500 |
| commit | 4810ec445d377d456f5dddbd7d0699c9be049afd (patch) | |
| tree | 8c71aebfd198d2d02ed1ce5e102dce0e26934ea2 /source4/librpc/ndr/ndr_compression.c | |
| parent | 7cabdeb7ec84c7c0b3e9b907e19f4e240b7fc4ca (diff) | |
| download | samba-4810ec445d377d456f5dddbd7d0699c9be049afd.tar.gz samba-4810ec445d377d456f5dddbd7d0699c9be049afd.tar.bz2 samba-4810ec445d377d456f5dddbd7d0699c9be049afd.zip | |
r6114: the marker is const and is 0x434B 'CK'
metze
(This used to be commit 4b88ff29715a98c728cf70db4889daafed8eeeb2)
Diffstat (limited to 'source4/librpc/ndr/ndr_compression.c')
| -rw-r--r-- | source4/librpc/ndr/ndr_compression.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/source4/librpc/ndr/ndr_compression.c b/source4/librpc/ndr/ndr_compression.c index ec29b1cd30..f09007a715 100644 --- a/source4/librpc/ndr/ndr_compression.c +++ b/source4/librpc/ndr/ndr_compression.c @@ -35,7 +35,8 @@ static NTSTATUS ndr_pull_compression_zlib_chunk(struct ndr_pull *ndrpull, uint8_t *plain_chunk; uint32_t plain_chunk_offset; uint32_t plain_chunk_size; - uint16_t unknown_marker; + uint8_t C_CK_marker; + uint8_t K_CK_marker; int ret; /* I don't know why, this is needed... --metze */ @@ -44,15 +45,20 @@ static NTSTATUS ndr_pull_compression_zlib_chunk(struct ndr_pull *ndrpull, NDR_CHECK(ndr_pull_uint32(ndrpull, NDR_SCALARS, &plain_chunk_size)); if (plain_chunk_size > 0x00008000) { return ndr_pull_error(ndrpull, NDR_ERR_COMPRESSION, "Bad ZLIB plain chunk size %08X > 0x00008000 (PULL)", - plain_chunk_size); + plain_chunk_size); } NDR_CHECK(ndr_pull_uint32(ndrpull, NDR_SCALARS, &comp_chunk_size)); - NDR_CHECK(ndr_pull_uint16(ndrpull, NDR_SCALARS, &unknown_marker)); + NDR_CHECK(ndr_pull_uint8(ndrpull, NDR_SCALARS, &C_CK_marker)); + NDR_CHECK(ndr_pull_uint8(ndrpull, NDR_SCALARS, &K_CK_marker)); + if (!(C_CK_marker == (uint8_t)'C' && K_CK_marker == (uint8_t)'K')) { + return ndr_pull_error(ndrpull, NDR_ERR_COMPRESSION, "Bad ZLIB invalid CK marker C[%02X] K[%02X] (PULL)", + C_CK_marker, K_CK_marker); + } - DEBUG(10,("plain_chunk_size: %08X (%u) comp_chunk_size: %08X (%u) unknown_marker: %04X (%u)\n", - plain_chunk_size, plain_chunk_size, comp_chunk_size, comp_chunk_size, unknown_marker, unknown_marker)); + DEBUG(10,("plain_chunk_size: %08X (%u) comp_chunk_size: %08X (%u)\n", + plain_chunk_size, plain_chunk_size, comp_chunk_size, comp_chunk_size)); comp_chunk_offset = ndrpull->offset; NDR_CHECK(ndr_pull_advance(ndrpull, comp_chunk_size)); @@ -62,6 +68,8 @@ static NTSTATUS ndr_pull_compression_zlib_chunk(struct ndr_pull *ndrpull, NDR_CHECK(ndr_push_zero(ndrpush, plain_chunk_size)); plain_chunk = ndrpush->data + plain_chunk_offset; + dump_data(10, comp_chunk, 16); + zs->avail_in = comp_chunk_size; zs->next_in = comp_chunk; zs->next_out = plain_chunk; |