Commit 9ef9d62d authored by Eric Pouech's avatar Eric Pouech Committed by Alexandre Julliard

winedump: Use a uniform scheme for dumping file contents.

parent 80b09ccf
......@@ -143,96 +143,30 @@ unsigned long Offset(const void* ptr)
return (const char *)ptr - (const char *)dump_base;
}
static void do_dump( enum FileSig sig )
static const struct dumper
{
if (sig == SIG_NE)
{
ne_dump();
return;
}
if (sig == SIG_LE)
{
le_dump();
return;
}
pe_dump();
enum FileSig kind;
enum FileSig (*get_kind)(void);
file_dumper dumper; /* default dump tool */
}
static enum FileSig check_headers(void)
dumpers[] =
{
const char *p;
const WORD* pw;
const DWORD* pdw;
const IMAGE_DOS_HEADER* dh;
enum FileSig sig;
pw = PRD(0, sizeof(WORD));
if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
switch (*pw)
{
case IMAGE_DOS_SIGNATURE:
sig = SIG_DOS;
dh = PRD(0, sizeof(IMAGE_DOS_HEADER));
if (dh)
{
/* the signature is the first DWORD */
pdw = PRD(dh->e_lfanew, sizeof(DWORD));
if (pdw)
{
if (*pdw == IMAGE_NT_SIGNATURE)
{
sig = SIG_PE;
}
else if (*(const WORD *)pdw == IMAGE_OS2_SIGNATURE)
{
sig = SIG_NE;
}
else if (*(const WORD *)pdw == IMAGE_VXD_SIGNATURE)
{
sig = SIG_LE;
}
else
{
printf("No PE Signature found\n");
}
}
else
{
printf("Can't get the extented signature, aborting\n");
}
}
return sig;
case 0x4944: /* "DI" */
return SIG_DBG;
case 0x444D: /* "MD" */
pdw = PRD(0, sizeof(DWORD));
if (pdw && *pdw == 0x504D444D) /* "MDMP" */
return SIG_MDMP;
return SIG_UNKNOWN;
default:
break;
}
p = PRD(0, IMAGE_ARCHIVE_START_SIZE);
if (p && !strncmp(p, IMAGE_ARCHIVE_START, IMAGE_ARCHIVE_START_SIZE))
return SIG_COFFLIB;
printf("No known main signature (%.2s/%x), aborting\n", (const char *)pw, *pw);
return SIG_UNKNOWN;
}
{SIG_DOS, get_kind_exec, NULL},
{SIG_PE, get_kind_exec, pe_dump},
{SIG_DBG, get_kind_dbg, dbg_dump},
{SIG_NE, get_kind_exec, ne_dump},
{SIG_LE, get_kind_exec, le_dump},
{SIG_COFFLIB, get_kind_lib, lib_dump},
{SIG_MDMP, get_kind_mdmp, mdmp_dump},
{SIG_UNKNOWN, NULL, NULL} /* sentinel */
};
int dump_analysis(const char *name, file_dumper fn, enum FileSig wanted_sig)
{
int fd;
enum FileSig effective_sig;
int ret = 1;
struct stat s;
const struct dumper *dpr;
setbuf(stdout, NULL);
......@@ -250,37 +184,16 @@ int dump_analysis(const char *name, file_dumper fn, enum FileSig wanted_sig)
if ((unsigned long)read( fd, dump_base, dump_total_len ) != dump_total_len) fatal( "Cannot read file" );
}
effective_sig = check_headers();
if (wanted_sig == SIG_UNKNOWN || wanted_sig == effective_sig)
for (dpr = dumpers; dpr->kind != SIG_UNKNOWN; dpr++)
{
switch (effective_sig)
{
case SIG_UNKNOWN: /* shouldn't happen... */
printf("Can't get a recognized file signature, aborting\n");
ret = 0; break;
case SIG_PE:
case SIG_NE:
case SIG_LE:
printf("Contents of \"%s\": %ld bytes\n\n", name, dump_total_len);
(*fn)(effective_sig);
break;
case SIG_DBG:
dbg_dump();
break;
case SIG_DOS:
ret = 0; break;
case SIG_MDMP:
mdmp_dump();
break;
case SIG_COFFLIB:
printf("Contents of \"%s\": %ld bytes\n\n", name, dump_total_len);
lib_dump(dump_base, dump_total_len);
if (dpr->get_kind() == dpr->kind &&
(wanted_sig == SIG_UNKNOWN || wanted_sig == dpr->kind))
{
if (fn) fn(); else dpr->dumper();
break;
}
}
}
else
if (dpr->kind == SIG_UNKNOWN)
{
printf("Can't get a suitable file signature, aborting\n");
ret = 0;
......@@ -300,5 +213,5 @@ int dump_analysis(const char *name, file_dumper fn, enum FileSig wanted_sig)
void dump_file(const char* name)
{
dump_analysis(name, do_dump, SIG_UNKNOWN);
dump_analysis(name, NULL, SIG_UNKNOWN);
}
......@@ -80,29 +80,33 @@ static void dump_import_object(const IMPORT_OBJECT_HEADER *ioh)
}
}
void lib_dump(const char *lib_base, unsigned long lib_size)
enum FileSig get_kind_lib(void)
{
long cur_file_pos;
IMAGE_ARCHIVE_MEMBER_HEADER *iamh;
const char* arch = PRD(0, IMAGE_ARCHIVE_START_SIZE);
if (arch && !strncmp(arch, IMAGE_ARCHIVE_START, IMAGE_ARCHIVE_START_SIZE))
return SIG_COFFLIB;
return SIG_UNKNOWN;
}
if (strncmp(lib_base, IMAGE_ARCHIVE_START, IMAGE_ARCHIVE_START_SIZE))
{
printf("Not a valid COFF library file");
return;
}
void lib_dump(void)
{
long cur_file_pos;
const IMAGE_ARCHIVE_MEMBER_HEADER *iamh;
iamh = (IMAGE_ARCHIVE_MEMBER_HEADER *)(lib_base + IMAGE_ARCHIVE_START_SIZE);
cur_file_pos = IMAGE_ARCHIVE_START_SIZE;
while (cur_file_pos < lib_size)
for (;;)
{
IMPORT_OBJECT_HEADER *ioh;
const IMPORT_OBJECT_HEADER *ioh;
long size;
if (!(iamh = PRD(cur_file_pos, sizeof(*iamh)))) break;
cur_file_pos += sizeof(IMAGE_ARCHIVE_MEMBER_HEADER);
#if 0 /* left here for debugging purposes, also should be helpful for
* adding support for new library formats.
*/
printf("cur_file_pos %08lx\n", (ULONG_PTR)iamh - (ULONG_PTR)lib_base);
printf("cur_file_pos %08lx\n", Offset(iamh));
printf("Name %.16s", iamh->Name);
if (!strncmp(iamh->Name, IMAGE_ARCHIVE_LINKER_MEMBER, sizeof(iamh->Name)))
......@@ -121,7 +125,7 @@ void lib_dump(const char *lib_base, unsigned long lib_size)
/* FIXME: only import library contents with the short format are
* recognized.
*/
ioh = (IMPORT_OBJECT_HEADER *)((char *)iamh + sizeof(IMAGE_ARCHIVE_MEMBER_HEADER));
if (!(ioh = PRD(cur_file_pos + sizeof(*iamh), sizeof(*ioh)))) break;
if (ioh->Sig1 == IMAGE_FILE_MACHINE_UNKNOWN && ioh->Sig2 == IMPORT_OBJECT_HDR_SIG2)
{
dump_import_object(ioh);
......@@ -130,7 +134,6 @@ void lib_dump(const char *lib_base, unsigned long lib_size)
size = strtoul((const char *)iamh->Size, NULL, 10);
size = (size + 1) & ~1; /* align to an even address */
cur_file_pos += size + sizeof(IMAGE_ARCHIVE_MEMBER_HEADER);
iamh = (IMAGE_ARCHIVE_MEMBER_HEADER *)((char *)iamh + size + sizeof(IMAGE_ARCHIVE_MEMBER_HEADER));
cur_file_pos += size;
}
}
......@@ -59,6 +59,17 @@ static const MINIDUMP_DIRECTORY* get_mdmp_dir(const MINIDUMP_HEADER* hdr, int st
return NULL;
}
enum FileSig get_kind_mdmp(void)
{
const DWORD* pdw;
pdw = PRD(0, sizeof(DWORD));
if (!pdw) {printf("Can't get main signature, aborting\n"); return SIG_UNKNOWN;}
if (*pdw == 0x444D /* "MDMP" */) return SIG_MDMP;
return SIG_UNKNOWN;
}
void mdmp_dump(void)
{
const MINIDUMP_HEADER* hdr = (const MINIDUMP_HEADER*)PRD(0, sizeof(MINIDUMP_HEADER));
......
......@@ -784,6 +784,17 @@ static void dump_dir_tls(void)
printf(" }\n\n");
}
enum FileSig get_kind_dbg(void)
{
const WORD* pw;
pw = PRD(0, sizeof(WORD));
if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
if (*pw == 0x4944 /* "DI" */) return SIG_DBG;
return SIG_UNKNOWN;
}
void dbg_dump(void)
{
const IMAGE_SEPARATE_DEBUG_HEADER* separateDebugHead;
......@@ -1111,6 +1122,32 @@ static void dump_debug(void)
dump_stabs(stabs, szstabs, stabstr, szstr);
}
enum FileSig get_kind_exec(void)
{
const WORD* pw;
const DWORD* pdw;
const IMAGE_DOS_HEADER* dh;
pw = PRD(0, sizeof(WORD));
if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
if (*pw != IMAGE_DOS_SIGNATURE) return SIG_UNKNOWN;
if ((dh = PRD(0, sizeof(IMAGE_DOS_HEADER))))
{
/* the signature is the first DWORD */
pdw = PRD(dh->e_lfanew, sizeof(DWORD));
if (pdw)
{
if (*pdw == IMAGE_NT_SIGNATURE) return SIG_PE;
if (*(const WORD *)pdw == IMAGE_OS2_SIGNATURE) return SIG_NE;
if (*(const WORD *)pdw == IMAGE_VXD_SIGNATURE) return SIG_LE;
return SIG_DOS;
}
}
return 0;
}
void pe_dump(void)
{
int all = (globals.dumpsect != NULL) && strcmp(globals.dumpsect, "ALL") == 0;
......@@ -1191,7 +1228,7 @@ static void dll_close (void)
}
*/
static void do_grab_sym( enum FileSig sig )
static void do_grab_sym( void )
{
const IMAGE_EXPORT_DIRECTORY*exportDir;
unsigned i, j;
......
......@@ -229,7 +229,7 @@ enum FileSig {SIG_UNKNOWN, SIG_DOS, SIG_PE, SIG_DBG, SIG_NE, SIG_LE, SIG_MDMP, S
const void* PRD(unsigned long prd, unsigned long len);
unsigned long Offset(const void* ptr);
typedef void (*file_dumper)(enum FileSig sig);
typedef void (*file_dumper)(void);
int dump_analysis(const char*, file_dumper, enum FileSig);
void dump_data( const unsigned char *ptr, unsigned int size, const char *prefix );
......@@ -237,12 +237,16 @@ const char* get_time_str( unsigned long );
unsigned int strlenW( const unsigned short *str );
void dump_unicode_str( const unsigned short *str, int len );
enum FileSig get_kind_exec(void);
void pe_dump( void );
void ne_dump( void );
void le_dump( void );
enum FileSig get_kind_mdmp(void);
void mdmp_dump( void );
void lib_dump( const char *lib_base, unsigned long lib_size );
enum FileSig get_kind_lib(void);
void lib_dump( void );
enum FileSig get_kind_dbg(void);
void dbg_dump( void );
void pe_dump( void );
void dump_stabs(const void* pv_stabs, unsigned szstabs, const char* stabstr, unsigned szstr);
void dump_codeview(unsigned long ptr, unsigned long len);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment