diff options
author | Bo Xu <bo_xu@foxitsoftware.com> | 2014-10-21 13:05:17 -0700 |
---|---|---|
committer | Bo Xu <bo_xu@foxitsoftware.com> | 2014-10-21 13:05:17 -0700 |
commit | 767aebbef641a89498deebc29369a078207b4dcc (patch) | |
tree | fe4aba016b0150480278fccbd9a938d3e714a29b /core | |
parent | bff247d92c315f9aab2edb4aeaf0ef0b74ba321f (diff) | |
download | pdfium-chromium/2202.tar.xz |
Update openjpeg to r2908chromium/2202chromium/2201chromium/2200chromium/2199chromium/2198chromium/2197
BUG=414089, 414310, 414606
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/670813002
Diffstat (limited to 'core')
-rw-r--r-- | core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c | 64 | ||||
-rw-r--r-- | core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c | 49 | ||||
-rw-r--r-- | core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c | 19 |
3 files changed, 124 insertions, 8 deletions
diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c index b794dc39a6..93f8a3db63 100644 --- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c +++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/j2k.c @@ -2415,9 +2415,19 @@ static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k, opj_read_bytes(p_header_data,&l_tcp->csty,1); /* Scod */ ++p_header_data; + /* Make sure we know how to decode this */ + if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP | J2K_CP_CSTY_EPH)) != 0U) { + opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n"); + return OPJ_FALSE; + } opj_read_bytes(p_header_data,&l_tmp,1); /* SGcod (A) */ ++p_header_data; l_tcp->prg = (OPJ_PROG_ORDER) l_tmp; + /* Make sure progression order is valid */ + if (l_tcp->prg > OPJ_CPRL ) { + opj_event_msg(p_manager, EVT_ERROR, "Unknown progression order in COD marker\n"); + l_tcp->prg = OPJ_PROG_UNKNOWN; + } opj_read_bytes(p_header_data,&l_tcp->numlayers,2); /* SGcod (B) */ p_header_data+=2; @@ -3544,6 +3554,14 @@ OPJ_BOOL j2k_read_ppm_v3 ( /* First PPM marker */ if (l_Z_ppm == 0) { + if (l_cp->ppm_data != NULL) { + opj_event_msg(p_manager, EVT_ERROR, "Zppm O already processed. Found twice.\n"); + opj_free(l_cp->ppm_data); + l_cp->ppm_data = NULL; + l_cp->ppm_buffer = NULL; + l_cp->ppm = 0; /* do not use PPM */ + return OPJ_FALSE; + } /* We need now at least the Nppm^0 element */ if (p_header_size < 4) { opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); @@ -3641,6 +3659,15 @@ OPJ_BOOL j2k_read_ppm_v3 ( if (p_header_size) { + if (p_header_size < 4) { + opj_free(l_cp->ppm_data); + l_cp->ppm_data = NULL; + l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ + l_cp->ppm_len = 0; + l_cp->ppm = 0; + opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); + return OPJ_FALSE; + } opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm^i */ p_header_data+=4; p_header_size-=4; @@ -4317,6 +4344,12 @@ OPJ_BOOL opj_j2k_read_sod (opj_j2k_t *p_j2k, /* Patch to support new PHR data */ if (p_j2k->m_specific_param.m_decoder.m_sot_length) { + /* If we are here, we'll try to read the data after allocation */ + /* Check enough bytes left in stream before allocation */ + if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length > opj_stream_get_number_byte_left(p_stream)) { + opj_event_msg(p_manager, EVT_ERROR, "Tile part length size inconsistent with stream length\n"); + return OPJ_FALSE; + } if (! *l_current_data) { /* LH: oddly enough, in this path, l_tile_len!=0. * TODO: If this was consistant, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...). @@ -6117,6 +6150,11 @@ OPJ_BOOL opj_j2k_setup_encoder( opj_j2k_t *p_j2k, return OPJ_FALSE; } + if ((parameters->numresolution <= 0) || (parameters->numresolution > OPJ_J2K_MAXRLVLS)) { + opj_event_msg(p_manager, EVT_ERROR, "Invalid number of resolutions : %d not in range [1,%d]\n", parameters->numresolution, OPJ_J2K_MAXRLVLS); + return OPJ_FALSE; + } + /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */ cp = &(p_j2k->m_cp); @@ -6504,7 +6542,7 @@ OPJ_BOOL opj_j2k_setup_encoder( opj_j2k_t *p_j2k, } } else { - if(tcp->mct==1 && image->numcomps == 3) { // RGB->YCC MCT is enabled + if(tcp->mct==1 && image->numcomps == 3) { /* RGB->YCC MCT is enabled */ if ((image->comps[0].dx != image->comps[1].dx) || (image->comps[0].dx != image->comps[2].dx) || (image->comps[0].dy != image->comps[1].dy) || @@ -6992,6 +7030,15 @@ OPJ_BOOL opj_j2k_encoding_validation ( opj_j2k_t * p_j2k, /* make sure a validation list is present */ l_is_valid &= (p_j2k->m_validation_list != 00); + /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */ + /* 33 (32) would always fail the 2 checks below (if a cast to 64bits was done) */ + /* 32 (31) would always fail the 2 checks below (if a cast to 64bits was done) */ + /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 31 ? */ + if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) || (p_j2k->m_cp.tcps->tccps->numresolutions > 31)) { + opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); + return OPJ_FALSE; + } + if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) { opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); return OPJ_FALSE; @@ -7590,6 +7637,12 @@ OPJ_BOOL opj_j2k_read_tile_header( opj_j2k_t * p_j2k, /* Read 2 bytes from the buffer as the marker size */ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2); + /* Check marker size (does not include marker ID but includes marker size) */ + if (l_marker_size < 2) { + opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n"); + return OPJ_FALSE; + } + /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */ if (l_current_marker == 0x8080 && opj_stream_get_number_byte_left(p_stream) == 0) { p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC; @@ -7614,7 +7667,14 @@ OPJ_BOOL opj_j2k_read_tile_header( opj_j2k_t * p_j2k, /* Check if the marker size is compatible with the header data size */ if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) { - OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size); + OPJ_BYTE *new_header_data = NULL; + /* If we are here, this means we consider this marker as known & we will read it */ + /* Check enough bytes left in stream before allocation */ + if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) { + opj_event_msg(p_manager, EVT_ERROR, "Marker size inconsistent with stream length\n"); + return OPJ_FALSE; + } + new_header_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size); if (! new_header_data) { opj_free(p_j2k->m_specific_param.m_decoder.m_header_data); p_j2k->m_specific_param.m_decoder.m_header_data = NULL; diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c index 683d0415cf..78a15026a9 100644 --- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c +++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/jp2.c @@ -764,6 +764,12 @@ static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, if (color->jp2_cdef) { opj_jp2_cdef_info_t *info = color->jp2_cdef->info; OPJ_UINT16 n = color->jp2_cdef->n; + OPJ_UINT32 nr_channels = image->numcomps; /* FIXME image->numcomps == jp2->numcomps before color is applied ??? */ + + /* cdef applies to cmap channels if any */ + if (color->jp2_pclr && color->jp2_pclr->cmap) { + nr_channels = (OPJ_UINT32)color->jp2_pclr->nr_channels; + } for (i = 0; i < n; i++) { if (info[i].cn >= image->numcomps) { @@ -775,6 +781,22 @@ static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, return OPJ_FALSE; } } + + /* issue 397 */ + /* ISO 15444-1 states that if cdef is present, it shall contain a complete list of channel definitions. */ + while (nr_channels > 0) + { + for(i = 0; i < n; ++i) { + if ((OPJ_UINT32)info[i].cn == (nr_channels - 1U)) { + break; + } + } + if (i == n) { + opj_event_msg(p_manager, EVT_ERROR, "Incomplete channel definitions.\n"); + return OPJ_FALSE; + } + --nr_channels; + } } /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and @@ -1017,7 +1039,7 @@ OPJ_BOOL opj_jp2_read_pclr( opj_jp2_t *jp2, if (bytes_to_read > sizeof(OPJ_UINT32)) bytes_to_read = sizeof(OPJ_UINT32); - if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + (ptrdiff_t)bytes_to_read) + if ((ptrdiff_t)p_pclr_header_size < (ptrdiff_t)(p_pclr_header_data - orig_header_data) + (ptrdiff_t)bytes_to_read) return OPJ_FALSE; opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read); /* Cji */ @@ -1280,7 +1302,7 @@ OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2, } else if (jp2->meth > 2) { - /* ISO/IEC 15444-1:2004 (E), Table I.9 Legal METH values: + /* ISO/IEC 15444-1:2004 (E), Table I.9 Legal METH values: conforming JP2 reader shall ignore the entire Colour Specification box.*/ opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), " "so we will ignore the entire Colour Specification box. \n", jp2->meth); @@ -1843,7 +1865,7 @@ OPJ_BOOL opj_jp2_read_header_procedure( opj_jp2_t *jp2, return OPJ_FALSE; } /* testcase 1851.pdf.SIGSEGV.ce9.948 */ - else if (box.length < l_nb_bytes_read) { + else if (box.length < l_nb_bytes_read) { opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type); opj_free(l_current_data); return OPJ_FALSE; @@ -1853,6 +1875,12 @@ OPJ_BOOL opj_jp2_read_header_procedure( opj_jp2_t *jp2, l_current_data_size = box.length - l_nb_bytes_read; if (l_current_handler != 00) { + if ((OPJ_OFF_T)l_current_data_size > opj_stream_get_number_byte_left(stream)) { + /* do not even try to malloc if we can't read */ + opj_event_msg(p_manager, EVT_ERROR, "Invalid box size %d for box '%c%c%c%c'. Need %d bytes, %d bytes remaining \n", box.length, (OPJ_BYTE)(box.type>>24), (OPJ_BYTE)(box.type>>16), (OPJ_BYTE)(box.type>>8), (OPJ_BYTE)(box.type>>0), l_current_data_size, (OPJ_UINT32)opj_stream_get_number_byte_left(stream)); + opj_free(l_current_data); + return OPJ_FALSE; + } if (l_current_data_size > l_last_data_size) { OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size); if (!new_current_data) { @@ -2164,6 +2192,7 @@ static OPJ_BOOL opj_jp2_read_jp2h( opj_jp2_t *jp2, OPJ_UINT32 l_box_size=0, l_current_data_size = 0; opj_jp2_box_t box; const opj_jp2_header_handler_t * l_current_handler; + OPJ_BOOL l_has_ihdr = 0; /* preconditions */ assert(p_header_data != 00); @@ -2204,10 +2233,19 @@ static OPJ_BOOL opj_jp2_read_jp2h( opj_jp2_t *jp2, jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN; } + if (box.type == JP2_IHDR) { + l_has_ihdr = 1; + } + p_header_data += l_current_data_size; p_header_size -= box.length; } + if (l_has_ihdr == 0) { + opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: no 'ihdr' box.\n"); + return OPJ_FALSE; + } + jp2->jp2_state |= JP2_STATE_HEADER; return OPJ_TRUE; @@ -2276,7 +2314,10 @@ OPJ_BOOL opj_jp2_read_boxhdr_char( opj_jp2_box_t *box, opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); return OPJ_FALSE; } - + if (box->length < *p_number_bytes_read) { + opj_event_msg(p_manager, EVT_ERROR, "Box length is inconsistent.\n"); + return OPJ_FALSE; + } return OPJ_TRUE; } diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c index cdd35e8c22..1a29cccfc6 100644 --- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c +++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/t2.c @@ -242,6 +242,11 @@ OPJ_BOOL opj_t2_encode_packets( opj_t2_t* p_t2, /* TODO MSD : check why this function cannot fail (cf. v1) */ opj_pi_create_encode(l_pi, l_cp,p_tile_no,poc,l_tp_num,p_tp_pos,p_t2_mode); + if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { + /* TODO ADE : add an error */ + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } while (opj_pi_next(l_current_pi)) { if (l_current_pi->layno < p_maxlayers) { l_nb_bytes = 0; @@ -274,7 +279,11 @@ OPJ_BOOL opj_t2_encode_packets( opj_t2_t* p_t2, opj_pi_create_encode(l_pi, l_cp,p_tile_no,p_pino,p_tp_num,p_tp_pos,p_t2_mode); l_current_pi = &l_pi[p_pino]; - + if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { + /* TODO ADE : add an error */ + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } while (opj_pi_next(l_current_pi)) { if (l_current_pi->layno < p_maxlayers) { l_nb_bytes=0; @@ -386,6 +395,11 @@ OPJ_BOOL opj_t2_decode_packets( opj_t2_t *p_t2, } memset(first_pass_failed, OPJ_TRUE, l_image->numcomps * sizeof(OPJ_BOOL)); + if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { + /* TODO ADE : add an error */ + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } while (opj_pi_next(l_current_pi)) { JAS_FPRINTF( stderr, "packet offset=00000166 prg=%d cmptno=%02d rlvlno=%02d prcno=%03d lyrno=%02d\n\n", l_current_pi->poc.prg1, l_current_pi->compno, l_current_pi->resno, l_current_pi->precno, l_current_pi->layno ); @@ -1265,7 +1279,8 @@ OPJ_BOOL opj_t2_skip_packet_data( opj_t2_t* p_t2, } do { - if (* p_data_read + l_seg->newlen > p_max_length) { + /* Check possible overflow then size */ + if (((*p_data_read + l_seg->newlen) < (*p_data_read)) || ((*p_data_read + l_seg->newlen) > p_max_length)) { fprintf(stderr, "skip: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); return OPJ_FALSE; |