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|
--- cplus-dem.c.orig 2005-05-04 19:32:05.000000000 +1000
+++ cplus-dem.c 2005-05-04 19:52:48.000000000 +1000
@@ -1572,7 +1572,7 @@
else
{
int symbol_len = consume_count (mangled);
- if (symbol_len == -1)
+ if (symbol_len <= -1)
return -1;
if (symbol_len == 0)
string_appendn (s, "0", 1);
@@ -1690,7 +1690,7 @@
{
return (0);
}
- if (!is_type)
+ if (!is_type && r)
{
/* Create an array for saving the template argument values. */
work->tmpl_argvec = (char**) xmalloc (r * sizeof (char *));
@@ -1718,9 +1718,11 @@
{
/* Save the template argument. */
int len = temp.p - temp.b;
- work->tmpl_argvec[i] = xmalloc (len + 1);
- memcpy (work->tmpl_argvec[i], temp.b, len);
- work->tmpl_argvec[i][len] = '\0';
+ if (len) {
+ work->tmpl_argvec[i] = xmalloc (len + 1);
+ memcpy (work->tmpl_argvec[i], temp.b, len);
+ work->tmpl_argvec[i][len] = '\0';
+ }
}
}
string_delete(&temp);
@@ -1746,9 +1748,12 @@
{
/* Save the template argument. */
int len = r2;
- work->tmpl_argvec[i] = xmalloc (len + 1);
- memcpy (work->tmpl_argvec[i], *mangled, len);
- work->tmpl_argvec[i][len] = '\0';
+ if (len >=0)
+ {
+ work->tmpl_argvec[i] = xmalloc (len + 1);
+ memcpy (work->tmpl_argvec[i], *mangled, len);
+ work->tmpl_argvec[i][len] = '\0';
+ }
}
*mangled += r2;
}
@@ -1792,9 +1797,11 @@
if (!is_type)
{
int len = s->p - s->b;
- work->tmpl_argvec[i] = xmalloc (len + 1);
- memcpy (work->tmpl_argvec[i], s->b, len);
- work->tmpl_argvec[i][len] = '\0';
+ if (len<=0) {
+ work->tmpl_argvec[i] = xmalloc (len + 1);
+ memcpy (work->tmpl_argvec[i], s->b, len);
+ work->tmpl_argvec[i][len] = '\0';
+ }
string_appends (tname, s);
string_delete (s);
@@ -2594,6 +2601,7 @@
char * recurse = (char *)NULL;
char * recurse_dem = (char *)NULL;
+ if (namelength <= 0) return; /* not sure about this one */
recurse = (char *) xmalloc (namelength + 1);
memcpy (recurse, *mangled, namelength);
recurse[namelength] = '\000';
@@ -3730,6 +3738,7 @@
sizeof (char *) * work -> typevec_size);
}
}
+ if (len<=0) len=0;
tem = xmalloc (len + 1);
memcpy (tem, start, len);
tem[len] = '\0';
@@ -3762,6 +3771,7 @@
sizeof (char *) * work -> ksize);
}
}
+ if (len<=0) len=0;
tem = xmalloc (len + 1);
memcpy (tem, start, len);
tem[len] = '\0';
@@ -3809,6 +3819,7 @@
{
char *tem;
+ if (len<=0) len=0;
tem = xmalloc (len + 1);
memcpy (tem, start, len);
tem[len] = '\0';
--- htanaly.cc.orig 2005-05-04 19:59:15.000000000 +1000
+++ htanaly.cc 2005-05-04 19:59:19.000000000 +1000
@@ -1323,6 +1323,7 @@
if (!getCurrentAddress(&c)) break;
b = analy->createAddress();
UINT bz = b->byteSize();
+ if (!bz) break;
byte *buf = (byte*)smalloc(bz);
if (analy->bufPtr(c, buf, bz) != bz) break;
b->getFromArray(buf);
--- htcoff.cc.orig 2005-05-04 20:08:20.000000000 +1000
+++ htcoff.cc 2005-05-04 20:08:26.000000000 +1000
@@ -168,12 +168,13 @@
h -= 4;
file->seek(h+os+24);
- coff_shared->sections.sections=(COFF_SECTION_HEADER*)malloc(coff_shared->sections.section_count * sizeof *coff_shared->sections.sections);
- file->read(coff_shared->sections.sections, coff_shared->sections.section_count*sizeof *coff_shared->sections.sections);
- for (UINT i=0; i<coff_shared->sections.section_count; i++) {
- create_host_struct(&coff_shared->sections.sections[i], COFF_SECTION_HEADER_struct, end);
- }
-
+ if (coff_shared->sections.section_count) {
+ coff_shared->sections.sections=(COFF_SECTION_HEADER*)malloc(coff_shared->sections.section_count * sizeof *coff_shared->sections.sections);
+ file->read(coff_shared->sections.sections, coff_shared->sections.section_count*sizeof *coff_shared->sections.sections);
+ for (UINT i=0; i<coff_shared->sections.section_count; i++) {
+ create_host_struct(&coff_shared->sections.sections[i], COFF_SECTION_HEADER_struct, end);
+ }
+ } /* CHECK - sufficient */
shared_data = coff_shared;
ht_format_group::init_ifs(ifs);
--- htelf.cc.orig 2005-05-04 19:09:49.000000000 +1000
+++ htelf.cc 2005-05-04 20:15:19.000000000 +1000
@@ -150,6 +150,7 @@
create_host_struct(&elf_shared->header32, ELF_HEADER32_struct, elf_shared->byte_order);
/* read section headers */
elf_shared->sheaders.count=elf_shared->header32.e_shnum;
+ if (!elf_shared->sheaders.count) throw new ht_msg_exception("Zero count for section headers");
elf_shared->sheaders.sheaders32=(ELF_SECTION_HEADER32*)malloc(elf_shared->sheaders.count*sizeof *elf_shared->sheaders.sheaders32);
if (file->seek(header_ofs+elf_shared->header32.e_shoff)) throw new ht_msg_exception("seek error");
if (file->read(elf_shared->sheaders.sheaders32, elf_shared->sheaders.count*sizeof *elf_shared->sheaders.sheaders32)
@@ -162,6 +163,7 @@
/* read program headers */
elf_shared->pheaders.count=elf_shared->header32.e_phnum;
+ if (!elf_shared->pheaders.count) throw new ht_msg_exception("Zero count in program section headers");
elf_shared->pheaders.pheaders32=(ELF_PROGRAM_HEADER32*)malloc(elf_shared->pheaders.count*sizeof *elf_shared->pheaders.pheaders32);
if (file->seek(header_ofs+elf_shared->header32.e_phoff)) throw new ht_msg_exception("seek error");
if (file->read(elf_shared->pheaders.pheaders32, elf_shared->pheaders.count*sizeof *elf_shared->pheaders.pheaders32)
@@ -197,6 +199,7 @@
create_host_struct(&elf_shared->header64, ELF_HEADER64_struct, elf_shared->byte_order);
/* read section headers */
elf_shared->sheaders.count=elf_shared->header64.e_shnum;
+ if (!elf_shared->sheaders.count) throw new ht_msg_exception("Zero count for section headers");
elf_shared->sheaders.sheaders64=(ELF_SECTION_HEADER64*)malloc(elf_shared->sheaders.count*sizeof *elf_shared->sheaders.sheaders64);
/* FIXME: 64-bit */
if (file->seek(header_ofs+elf_shared->header64.e_shoff.lo)) throw new ht_msg_exception("seek error");
@@ -210,6 +213,7 @@
/* read program headers */
elf_shared->pheaders.count=elf_shared->header64.e_phnum;
+ if (!elf_shared->pheaders.count) throw new ht_msg_exception("Zero count in program section headers");
elf_shared->pheaders.pheaders64=(ELF_PROGRAM_HEADER64*)malloc(elf_shared->pheaders.count*sizeof *elf_shared->pheaders.pheaders64);
/* FIXME: 64-bit */
if (file->seek(header_ofs+elf_shared->header64.e_phoff.lo)) throw new ht_msg_exception("seek error");
@@ -417,8 +421,11 @@
ht_elf_shared_data *elf_shared=(ht_elf_shared_data *)shared_data;
ELF_SECTION_HEADER32 *s=elf_shared->sheaders.sheaders32;
-
- elf_shared->shrelocs = (ht_elf_reloc_section32*)malloc(elf_shared->sheaders.count * sizeof (ht_elf_reloc_section32));
+ if (!elf_shared->sheaders.count) {
+ LOG("%s: ELF: segment header count is zero", file->get_filename());
+ } else {
+ elf_shared->shrelocs = (ht_elf_reloc_section32*)malloc(elf_shared->sheaders.count * sizeof (ht_elf_reloc_section32));
+ }
/* relocate sections */
for (uint i=0; i<elf_shared->sheaders.count; i++) {
--- htpef.cc.orig 2005-05-04 20:38:57.000000000 +1000
+++ htpef.cc 2005-05-04 20:39:00.000000000 +1000
@@ -99,16 +99,18 @@
/* read section headers */
pef_shared->sheaders.count = pef_shared->contHeader.sectionCount;
- pef_shared->sheaders.sheaders = (PEF_SECTION_HEADER*)
- malloc(pef_shared->sheaders.count*sizeof (PEF_SECTION_HEADER));
- for (uint i=0; i<pef_shared->sheaders.count; i++) {
- file->read(&pef_shared->sheaders.sheaders[i], sizeof pef_shared->sheaders.sheaders[i]);
- create_host_struct(&pef_shared->sheaders.sheaders[i], PEF_SECTION_HEADER_struct, pef_shared->byte_order);
- // FIXME: hack
- pef_shared->sheaders.sheaders[i].defaultAddress = i*0x100000;
- if (!pef_shared->loader_info_header_ofs
- && pef_shared->sheaders.sheaders[i].sectionKind == PEF_SK_Loader) {
- pef_shared->loader_info_header_ofs = pef_shared->sheaders.sheaders[i].containerOffset;
+ if (pef_shared->sheaders.count) {
+ pef_shared->sheaders.sheaders = (PEF_SECTION_HEADER*)
+ malloc(pef_shared->sheaders.count*sizeof (PEF_SECTION_HEADER));
+ for (uint i=0; i<pef_shared->sheaders.count; i++) {
+ file->read(&pef_shared->sheaders.sheaders[i], sizeof pef_shared->sheaders.sheaders[i]);
+ create_host_struct(&pef_shared->sheaders.sheaders[i], PEF_SECTION_HEADER_struct, pef_shared->byte_order);
+ // FIXME: hack
+ pef_shared->sheaders.sheaders[i].defaultAddress = i*0x100000;
+ if (!pef_shared->loader_info_header_ofs
+ && pef_shared->sheaders.sheaders[i].sectionKind == PEF_SK_Loader) {
+ pef_shared->loader_info_header_ofs = pef_shared->sheaders.sheaders[i].containerOffset;
+ }
}
}
--- htpeimp.cc.orig 2005-05-04 20:41:43.000000000 +1000
+++ htpeimp.cc 2005-05-04 20:54:14.000000000 +1000
@@ -174,19 +174,21 @@
PE_THUNK_DATA *thunk_table = NULL;
PE_THUNK_DATA_64 *thunk_table64 = NULL;
file->seek(thunk_ofs);
- if (pe32) {
- thunk_table=(PE_THUNK_DATA*)malloc(sizeof *thunk_table * thunk_count);
- file->read(thunk_table, sizeof *thunk_table * thunk_count);
- // FIXME: ?
- for (UINT i=0; i<thunk_count; i++) {
- create_host_struct(thunk_table+i, PE_THUNK_DATA_struct, little_endian);
- }
- } else {
- thunk_table64=(PE_THUNK_DATA_64*)malloc(sizeof *thunk_table64 * thunk_count);
- file->read(thunk_table64, sizeof *thunk_table64 * thunk_count);
- // FIXME: ?
- for (UINT i=0; i<thunk_count; i++) {
- create_host_struct(thunk_table64+i, PE_THUNK_DATA_64_struct, little_endian);
+ if (thunk_count) {
+ if (pe32) {
+ thunk_table=(PE_THUNK_DATA*)malloc(sizeof *thunk_table * thunk_count);
+ file->read(thunk_table, sizeof *thunk_table * thunk_count);
+ // FIXME: ?
+ for (UINT i=0; i<thunk_count; i++) {
+ create_host_struct(thunk_table+i, PE_THUNK_DATA_struct, little_endian);
+ }
+ } else {
+ thunk_table64=(PE_THUNK_DATA_64*)malloc(sizeof *thunk_table64 * thunk_count);
+ file->read(thunk_table64, sizeof *thunk_table64 * thunk_count);
+ // FIXME: ?
+ for (UINT i=0; i<thunk_count; i++) {
+ create_host_struct(thunk_table64+i, PE_THUNK_DATA_64_struct, little_endian);
+ }
}
}
for (dword i=0; i<thunk_count; i++) {
|
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