/* Support for the generic parts of PE/PEI; the common executable parts.
- Copyright (C) 1995-2014 Free Software Foundation, Inc.
+ Copyright (C) 1995-2016 Free Software Foundation, Inc.
Written by Cygnus Solutions.
This file is part of BFD, the Binary File Descriptor library.
#include "libbfd.h"
#include "coff/internal.h"
#include "bfdver.h"
+#include "libiberty.h"
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
+#ifdef HAVE_WCTYPE_H
+#include <wctype.h>
+#endif
/* NOTE: it's strange to be including an architecture specific header
in what's supposed to be general (to PE/PEI) code. However, that's
memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
in->n_value = H_GET_32 (abfd, ext->e_value);
- in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
+ in->n_scnum = (short) H_GET_16 (abfd, ext->e_scnum);
if (sizeof (ext->e_type) == 2)
in->n_type = H_GET_16 (abfd, ext->e_type);
name = _bfd_coff_internal_syment_name (abfd, in, namebuf);
if (name == NULL)
- /* FIXME: Return error. */
- abort ();
+ {
+ _bfd_error_handler (_("%B: unable to find name for empty section"),
+ abfd);
+ bfd_set_error (bfd_error_invalid_target);
+ return;
+ }
+
sec = bfd_get_section_by_name (abfd, name);
if (sec != NULL)
in->n_scnum = sec->target_index;
{
name = (const char *) bfd_alloc (abfd, strlen (namebuf) + 1);
if (name == NULL)
- /* FIXME: Return error. */
- abort ();
+ {
+ _bfd_error_handler (_("%B: out of memory creating name for empty section"),
+ abfd);
+ return;
+ }
strcpy ((char *) name, namebuf);
}
+
flags = SEC_HAS_CONTENTS | SEC_ALLOC | SEC_DATA | SEC_LOAD;
sec = bfd_make_section_anyway_with_flags (abfd, name, flags);
if (sec == NULL)
- /* FIXME: Return error. */
- abort ();
+ {
+ _bfd_error_handler (_("%B: unable to create fake empty section"),
+ abfd);
+ return;
+ }
sec->vma = 0;
sec->lma = 0;
as the worst that can happen is that some absolute symbols are
needlessly converted into section relative symbols. */
&& in->n_value > ((1ULL << (sizeof (in->n_value) > 4 ? 32 : 31)) - 1)
- && in->n_scnum == -1)
+ && in->n_scnum == N_ABS)
{
asection * sec;
AUXENT *ext = (AUXENT *) ext1;
union internal_auxent *in = (union internal_auxent *) in1;
+ /* PR 17521: Make sure that all fields in the aux structure
+ are initialised. */
+ memset (in, 0, sizeof * in);
switch (in_class)
{
case C_FILE:
aouthdr_int->entry = GET_AOUTHDR_ENTRY (abfd, aouthdr_ext->entry);
aouthdr_int->text_start =
GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
+
#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
/* PE32+ does not have data_start member! */
aouthdr_int->data_start =
int idx;
/* PR 17512: Corrupt PE binaries can cause seg-faults. */
- if (a->NumberOfRvaAndSizes > 16)
+ if (a->NumberOfRvaAndSizes > IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
{
(*_bfd_error_handler)
(_("%B: aout header specifies an invalid number of data-directory entries: %d"),
abfd, a->NumberOfRvaAndSizes);
+ bfd_set_error (bfd_error_bad_value);
+
/* Paranoia: If the number is corrupt, then assume that the
actual entries themselves might be corrupt as well. */
a->NumberOfRvaAndSizes = 0;
else
a->DataDirectory[idx].VirtualAddress = 0;
}
+
+ while (idx < IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
+ {
+ a->DataDirectory[idx].Size = 0;
+ a->DataDirectory[idx].VirtualAddress = 0;
+ idx ++;
+ }
}
if (aouthdr_int->entry)
{
int idx;
- for (idx = 0; idx < 16; idx++)
+ for (idx = 0; idx < IMAGE_NUMBEROF_DIRECTORY_ENTRIES; idx++)
{
H_PUT_32 (abfd, extra->DataDirectory[idx].VirtualAddress,
aouthdr_out->DataDirectory[idx][0]);
}
if (coff_data (abfd)->link_info
- && ! coff_data (abfd)->link_info->relocatable
- && ! coff_data (abfd)->link_info->shared
+ && ! bfd_link_relocatable (coff_data (abfd)->link_info)
+ && ! bfd_link_pic (coff_data (abfd)->link_info)
&& strcmp (scnhdr_int->s_name, ".text") == 0)
{
/* By inference from looking at MS output, the 32 bit field
return sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
}
-static CODEVIEW_INFO *
+CODEVIEW_INFO *
_bfd_XXi_slurp_codeview_record (bfd * abfd, file_ptr where, unsigned long length, CODEVIEW_INFO *cvinfo)
{
char buffer[256+1];
/* Ensure null termination of filename. */
buffer[256] = '\0';
- cvinfo->CVSignature = H_GET_32(abfd, buffer);
+ cvinfo->CVSignature = H_GET_32 (abfd, buffer);
cvinfo->Age = 0;
if ((cvinfo->CVSignature == CVINFO_PDB70_CVSIGNATURE)
unsigned int
_bfd_XXi_write_codeview_record (bfd * abfd, file_ptr where, CODEVIEW_INFO *cvinfo)
{
- unsigned int size = sizeof (CV_INFO_PDB70) + 1;
+ const bfd_size_type size = sizeof (CV_INFO_PDB70) + 1;
+ bfd_size_type written;
CV_INFO_PDB70 *cvinfo70;
- char buffer[size];
+ char * buffer;
if (bfd_seek (abfd, where, SEEK_SET) != 0)
return 0;
+ buffer = xmalloc (size);
cvinfo70 = (CV_INFO_PDB70 *) buffer;
H_PUT_32 (abfd, CVINFO_PDB70_CVSIGNATURE, cvinfo70->CvSignature);
H_PUT_32 (abfd, cvinfo->Age, cvinfo70->Age);
cvinfo70->PdbFileName[0] = '\0';
- if (bfd_bwrite (buffer, size, abfd) != size)
- return 0;
+ written = bfd_bwrite (buffer, size, abfd);
- return size;
+ free (buffer);
+
+ return written == size ? size : 0;
}
static char * dir_names[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] =
break;
dll = (char *) data + dll_name - adj;
- fprintf (file, _("\n\tDLL Name: %s\n"), dll);
+ /* PR 17512 file: 078-12277-0.004. */
+ bfd_size_type maxlen = (char *)(data + datasize) - dll - 1;
+ fprintf (file, _("\n\tDLL Name: %.*s\n"), (int) maxlen, dll);
if (hint_addr != 0)
{
#ifdef COFF_WITH_pex64
for (j = 0; idx + j + 8 <= datasize; j += 8)
{
+ bfd_size_type amt;
unsigned long member = bfd_get_32 (abfd, data + idx + j);
unsigned long member_high = bfd_get_32 (abfd, data + idx + j + 4);
if (!member && !member_high)
break;
+ amt = member - adj;
+
if (HighBitSet (member_high))
fprintf (file, "\t%lx%08lx\t %4lx%08lx <none>",
member_high, member,
WithoutHighBit (member_high), member);
/* PR binutils/17512: Handle corrupt PE data. */
- else if (member - adj + 2 >= (unsigned long) datasize)
+ else if (amt + 2 >= datasize)
fprintf (file, _("\t<corrupt: 0x%04lx>"), member);
else
{
int ordinal;
char *member_name;
- ordinal = bfd_get_16 (abfd, data + member - adj);
- member_name = (char *) data + member - adj + 2;
- fprintf (file, "\t%04lx\t %4d %s",member, ordinal, member_name);
+ ordinal = bfd_get_16 (abfd, data + amt);
+ member_name = (char *) data + amt + 2;
+ fprintf (file, "\t%04lx\t %4d %.*s",member, ordinal,
+ (int) (datasize - (amt + 2)), member_name);
}
/* If the time stamp is not zero, the import address
#else
for (j = 0; idx + j + 4 <= datasize; j += 4)
{
+ bfd_size_type amt;
unsigned long member = bfd_get_32 (abfd, data + idx + j);
/* Print single IMAGE_IMPORT_BY_NAME vector. */
if (member == 0)
break;
+ amt = member - adj;
if (HighBitSet (member))
fprintf (file, "\t%04lx\t %4lu <none>",
member, WithoutHighBit (member));
/* PR binutils/17512: Handle corrupt PE data. */
- else if (member - adj + 2 >= (unsigned long) datasize)
+ else if (amt + 2 >= datasize)
fprintf (file, _("\t<corrupt: 0x%04lx>"), member);
else
{
int ordinal;
char *member_name;
- ordinal = bfd_get_16 (abfd, data + member - adj);
- member_name = (char *) data + member - adj + 2;
- fprintf (file, "\t%04lx\t %4d %s",
- member, ordinal, member_name);
+ ordinal = bfd_get_16 (abfd, data + amt);
+ member_name = (char *) data + amt + 2;
+ fprintf (file, "\t%04lx\t %4d %.*s",
+ member, ordinal,
+ (int) (datasize - (amt + 2)), member_name);
}
/* If the time stamp is not zero, the import address
bfd_fprintf_vma (abfd, file, edt.name);
if ((edt.name >= adj) && (edt.name < adj + datasize))
- fprintf (file, " %s\n", data + edt.name - adj);
+ fprintf (file, " %.*s\n",
+ (int) (datasize - (edt.name - adj)),
+ data + edt.name - adj);
else
fprintf (file, "(outside .edata section)\n");
edt.base);
/* PR 17512: Handle corrupt PE binaries. */
- if (edt.eat_addr + (edt.num_functions * 4) - adj >= datasize)
+ if (edt.eat_addr + (edt.num_functions * 4) - adj >= datasize
+ /* PR 17512: file: 092b1829 */
+ || (edt.num_functions * 4) < edt.num_functions
+ /* PR 17512 file: 140-165018-0.004. */
+ || data + edt.eat_addr - adj < data)
fprintf (file, _("\tInvalid Export Address Table rva (0x%lx) or entry count (0x%lx)\n"),
(long) edt.eat_addr,
(long) edt.num_functions);
/* This rva is to a name (forwarding function) in our section. */
/* Should locate a function descriptor. */
fprintf (file,
- "\t[%4ld] +base[%4ld] %04lx %s -- %s\n",
+ "\t[%4ld] +base[%4ld] %04lx %s -- %.*s\n",
(long) i,
(long) (i + edt.base),
(unsigned long) eat_member,
_("Forwarder RVA"),
+ (int)(datasize - (eat_member - adj)),
data + eat_member - adj);
}
else
_("\n[Ordinal/Name Pointer] Table\n"));
/* PR 17512: Handle corrupt PE binaries. */
- if (edt.npt_addr + (edt.num_names * 4) - adj >= datasize)
+ if (edt.npt_addr + (edt.num_names * 4) - adj >= datasize
+ /* PR 17512: file: bb68816e. */
+ || edt.num_names * 4 < edt.num_names
+ || (data + edt.npt_addr - adj) < data)
fprintf (file, _("\tInvalid Name Pointer Table rva (0x%lx) or entry count (0x%lx)\n"),
(long) edt.npt_addr,
(long) edt.num_names);
- else if (edt.ot_addr + (edt.num_names * 2) - adj >= datasize)
+ /* PR 17512: file: 140-147171-0.004. */
+ else if (edt.ot_addr + (edt.num_names * 2) - adj >= datasize
+ || data + edt.ot_addr - adj < data)
fprintf (file, _("\tInvalid Ordinal Table rva (0x%lx) or entry count (0x%lx)\n"),
(long) edt.ot_addr,
(long) edt.num_names);
{
char * name = (char *) data + name_ptr - adj;
- fprintf (file, "\t[%4ld] %s\n", (long) ord, name);
+ fprintf (file, "\t[%4ld] %.*s\n", (long) ord,
+ (int)((char *)(data + datasize) - name), name);
}
}
if (datasize == 0)
return TRUE;
+ /* PR 17512: file: 002-193900-0.004. */
+ if (datasize < stop)
+ {
+ fprintf (file, _("Virtual size of .pdata section (%ld) larger than real size (%ld)\n"),
+ (long) stop, (long) datasize);
+ return FALSE;
+ }
+
if (! bfd_malloc_and_get_section (abfd, section, &data))
{
if (data != NULL)
if (storage < 0)
return NULL;
if (storage)
- sy = (asymbol **) bfd_malloc (storage);
+ {
+ sy = (asymbol **) bfd_malloc (storage);
+ if (sy == NULL)
+ return NULL;
+ }
psc->symcount = bfd_canonicalize_symtab (abfd, sy);
if (psc->symcount < 0)
{
int j;
bfd_vma virtual_address;
- long number, size;
+ unsigned long number, size;
bfd_byte *chunk_end;
/* The .reloc section is a sequence of blocks, with a header consisting
fprintf (file,
_("\nVirtual Address: %08lx Chunk size %ld (0x%lx) Number of fixups %ld\n"),
- (unsigned long) virtual_address, size, (unsigned long) size, number);
+ (unsigned long) virtual_address, size, size, number);
chunk_end = p + size;
if (chunk_end > end)
bfd_vma rva_bias)
{
unsigned long entry, addr, size;
+ bfd_byte * leaf;
if (data + 8 >= regions->section_end)
return regions->section_end + 1;
regions, rva_bias);
}
- if (regions->section_start + entry + 16 >= regions->section_end)
+ leaf = regions->section_start + entry;
+
+ if (leaf + 16 >= regions->section_end
+ /* PR 17512: file: 055dff7e. */
+ || leaf < regions->section_start)
return regions->section_end + 1;
fprintf (file, _("%03x %*.s Leaf: Addr: %#08lx, Size: %#08lx, Codepage: %d\n"),
- (int) (entry),
- indent, " ",
- addr = (long) bfd_get_32 (abfd, regions->section_start + entry),
- size = (long) bfd_get_32 (abfd, regions->section_start + entry + 4),
- (int) bfd_get_32 (abfd, regions->section_start + entry + 8));
+ (int) (entry), indent, " ",
+ addr = (long) bfd_get_32 (abfd, leaf),
+ size = (long) bfd_get_32 (abfd, leaf + 4),
+ (int) bfd_get_32 (abfd, leaf + 8));
/* Check that the reserved entry is 0. */
- if (bfd_get_32 (abfd, regions->section_start + entry + 12) != 0
+ if (bfd_get_32 (abfd, leaf + 12) != 0
/* And that the data address/size is valid too. */
|| (regions->section_start + (addr - rva_bias) + size > regions->section_end))
return regions->section_end + 1;
/* If the extra data is all zeros then do not complain.
This is just padding so that the section meets the
page size requirements. */
- while (data ++ < regions.section_end)
+ while (++ data < regions.section_end)
if (*data != 0)
break;
if (data < regions.section_end)
if (regions.resource_start != NULL)
fprintf (file, " Resources start at offset: %#03x\n",
(int) (regions.resource_start - regions.section_start));
-
+
free (regions.section_start);
return TRUE;
}
if (idd.Type == PE_IMAGE_DEBUG_TYPE_CODEVIEW)
{
char signature[CV_INFO_SIGNATURE_LENGTH * 2 + 1];
- char buffer[256 + 1];
+ /* PR 17512: file: 065-29434-0.001:0.1
+ We need to use a 32-bit aligned buffer
+ to safely read in a codeview record. */
+ char buffer[256 + 1] ATTRIBUTE_ALIGNED_ALIGNOF (CODEVIEW_INFO);
+
CODEVIEW_INFO *cvinfo = (CODEVIEW_INFO *) buffer;
/* The debug entry doesn't have to have to be in a section,
struct external_IMAGE_DEBUG_DIRECTORY *dd =
(struct external_IMAGE_DEBUG_DIRECTORY *)(data + (addr - section->vma));
+ /* PR 17512: file: 0f15796a. */
+ if (ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size + (addr - section->vma)
+ > bfd_get_section_size (section))
+ {
+ _bfd_error_handler (_("%B: Data Directory size (%lx) exceeds space left in section (%lx)"),
+ obfd, ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size,
+ bfd_get_section_size (section) - (addr - section->vma));
+ return FALSE;
+ }
+
for (i = 0; i < ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
/ sizeof (struct external_IMAGE_DEBUG_DIRECTORY); i++)
{
}
if (!bfd_set_section_contents (obfd, section, data, 0, section->size))
- _bfd_error_handler (_("Failed to update file offsets in debug directory"));
+ {
+ _bfd_error_handler (_("Failed to update file offsets in debug directory"));
+ return FALSE;
+ }
}
+ else if (section)
+ {
+ _bfd_error_handler (_("%B: Failed to read debug data section"), obfd);
+ return FALSE;
+ }
}
return TRUE;
if (entry->value.leaf == NULL)
return dataend;
- addr = bfd_get_32 (abfd, datastart + val);
- size = entry->value.leaf->size = bfd_get_32 (abfd, datastart + val + 4);
- entry->value.leaf->codepage = bfd_get_32 (abfd, datastart + val + 8);
+ data = datastart + val;
+ if (data < datastart || data >= dataend)
+ return dataend;
+
+ addr = bfd_get_32 (abfd, data);
+ size = entry->value.leaf->size = bfd_get_32 (abfd, data + 4);
+ entry->value.leaf->codepage = bfd_get_32 (abfd, data + 8);
+ /* FIXME: We assume that the reserved field (data + 12) is OK. */
entry->value.leaf->data = bfd_malloc (size);
if (entry->value.leaf->data == NULL)
sizeof_tables_and_entries += 8;
sizeof_strings += (entry->name_id.name.len + 1) * 2;
-
+
if (entry->is_dir)
rsrc_compute_region_sizes (entry->value.directory);
else
putting its 'ucs4_t' representation in *PUC. */
static unsigned int
+#if defined HAVE_WCTYPE_H
+u16_mbtouc (wint_t * puc, const unsigned short * s, unsigned int n)
+#else
u16_mbtouc (wchar_t * puc, const unsigned short * s, unsigned int n)
+#endif
{
unsigned short c = * s;
#elif defined HAVE_WCHAR_H
{
unsigned int i;
+
res = 0;
for (i = min (alen, blen); i--; astring += 2, bstring += 2)
{
+#if defined HAVE_WCTYPE_H
+ wint_t awc;
+ wint_t bwc;
+#else
wchar_t awc;
wchar_t bwc;
+#endif
- /* Convert UTF-16 unicode characters into wchar_t characters so
- that we can then perform a case insensitive comparison. */
- int Alen = u16_mbtouc (& awc, (const unsigned short *) astring, 2);
- int Blen = u16_mbtouc (& bwc, (const unsigned short *) bstring, 2);
+ /* Convert UTF-16 unicode characters into wchar_t characters
+ so that we can then perform a case insensitive comparison. */
+ unsigned int Alen = u16_mbtouc (& awc, (const unsigned short *) astring, 2);
+ unsigned int Blen = u16_mbtouc (& bwc, (const unsigned short *) bstring, 2);
if (Alen != Blen)
return Alen - Blen;
+
+#ifdef HAVE_WCTYPE_H
+ awc = towlower (awc);
+ bwc = towlower (bwc);
+
+ res = awc - bwc;
+#else
res = wcsncasecmp (& awc, & bwc, 1);
+#endif
if (res)
break;
}
{
asection * rsrc_sec = bfd_get_section_by_name (input, ".rsrc");
- if (rsrc_sec != NULL)
+ /* PR 18372 - skip discarded .rsrc sections. */
+ if (rsrc_sec != NULL && !discarded_section (rsrc_sec))
{
if (num_input_rsrc == max_num_input_rsrc)
{
}
free (tmp_data);
}
+ else
+ result = FALSE;
}
}
#endif