diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/windows/pe_util.cc | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/src/common/windows/pe_util.cc b/src/common/windows/pe_util.cc index 11181954..27f702a3 100644 --- a/src/common/windows/pe_util.cc +++ b/src/common/windows/pe_util.cc @@ -95,7 +95,7 @@ struct CV_INFO_PDB70 { ULONG cv_signature;
GUID signature;
ULONG age;
- UCHAR pdb_filename[ANYSIZE_ARRAY];
+ CHAR pdb_filename[ANYSIZE_ARRAY];
};
#define CV_SIGNATURE_RSDS 'SDSR'
@@ -123,8 +123,6 @@ using std::unique_ptr; using google_breakpad::GUIDString;
bool ReadModuleInfo(const wstring & pe_file, PDBModuleInfo * info) {
- info->debug_file = WindowsStringUtils::GetBaseName(pe_file);
-
// Convert wchar to native charset because ImageLoad only takes
// a PSTR as input.
string img_file;
@@ -141,10 +139,10 @@ bool ReadModuleInfo(const wstring & pe_file, PDBModuleInfo * info) { }
info->cpu = FileHeaderMachineToCpuString(
- img->FileHeader->FileHeader.Machine);
+ img->FileHeader->FileHeader.Machine);
PIMAGE_OPTIONAL_HEADER64 optional_header =
- &(reinterpret_cast<PIMAGE_NT_HEADERS64>(img->FileHeader))->OptionalHeader;
+ &(reinterpret_cast<PIMAGE_NT_HEADERS64>(img->FileHeader))->OptionalHeader;
if (optional_header->Magic != IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
fprintf(stderr, "Not a PE32+ image\n");
return false;
@@ -164,21 +162,37 @@ bool ReadModuleInfo(const wstring & pe_file, PDBModuleInfo * info) { for (DWORD i = 0; i < debug_size / sizeof(*debug_directories); i++) {
if (debug_directories[i].Type != IMAGE_DEBUG_TYPE_CODEVIEW ||
- debug_directories[i].SizeOfData < sizeof(CV_INFO_PDB70)) {
+ debug_directories[i].SizeOfData < sizeof(CV_INFO_PDB70)) {
continue;
}
struct CV_INFO_PDB70* cv_info = static_cast<CV_INFO_PDB70*>(ImageRvaToVa(
- img->FileHeader,
- img->MappedAddress,
- debug_directories[i].AddressOfRawData,
- &img->LastRvaSection));
+ img->FileHeader,
+ img->MappedAddress,
+ debug_directories[i].AddressOfRawData,
+ &img->LastRvaSection));
if (cv_info->cv_signature != CV_SIGNATURE_RSDS) {
continue;
}
info->debug_identifier = GenerateDebugIdentifier(cv_info->age,
cv_info->signature);
+
+ // This code assumes that the pdb_filename is stored as ASCII without
+ // multibyte characters, but it's not clear if that's true.
+ size_t debug_file_length = strnlen_s(cv_info->pdb_filename, MAX_PATH);
+ if (debug_file_length < 0 || debug_file_length >= MAX_PATH) {
+ fprintf(stderr, "PE debug directory is corrupt.\n");
+ return false;
+ }
+ std::string debug_file(cv_info->pdb_filename, debug_file_length);
+ if (!WindowsStringUtils::safe_mbstowcs(debug_file, &info->debug_file)) {
+ fprintf(stderr, "PDB filename '%s' contains unrecognized characters.\n",
+ debug_file.c_str());
+ return false;
+ }
+ info->debug_file = WindowsStringUtils::GetBaseName(info->debug_file);
+
return true;
}
|