Sweden-Number/tools/winedump/dump.c

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/*
* File dumping utility
*
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* Copyright 2001,2007 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <time.h>
#include "../tools.h"
#include "windef.h"
#include "winbase.h"
#include "winedump.h"
void *dump_base = NULL;
unsigned long dump_total_len = 0;
void dump_data( const unsigned char *ptr, unsigned int size, const char *prefix )
{
unsigned int i, j;
printf( "%s%08x: ", prefix, 0 );
if (!ptr)
{
printf("NULL\n");
return;
}
for (i = 0; i < size; i++)
{
printf( "%02x%c", ptr[i], (i % 16 == 7) ? '-' : ' ' );
if ((i % 16) == 15)
{
printf( " " );
for (j = 0; j < 16; j++)
printf( "%c", isprint(ptr[i-15+j]) ? ptr[i-15+j] : '.' );
if (i < size-1) printf( "\n%s%08x: ", prefix, i + 1 );
}
}
if (i % 16)
{
printf( "%*s ", 3 * (16-(i%16)), "" );
for (j = 0; j < i % 16; j++)
printf( "%c", isprint(ptr[i-(i%16)+j]) ? ptr[i-(i%16)+j] : '.' );
}
printf( "\n" );
}
static char* dump_want_n(unsigned sz)
{
static char buffer[4 * 1024];
static unsigned idx;
char* ret;
assert(sz < sizeof(buffer));
if (idx + sz >= sizeof(buffer)) idx = 0;
ret = &buffer[idx];
idx += sz;
return ret;
}
const char *get_time_str(unsigned long _t)
{
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const time_t t = (const time_t)_t;
const char *str = ctime(&t);
size_t len;
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char* buf;
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if (!str) return "not valid time";
len = strlen(str);
/* FIXME: I don't get the same values from MS' pedump running under Wine...
* I wonder if Wine isn't broken wrt to GMT settings...
*/
if (len && str[len-1] == '\n') len--;
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buf = dump_want_n(len + 1);
if (buf)
{
memcpy( buf, str, len );
buf[len] = 0;
}
return buf;
}
unsigned int strlenW( const WCHAR *str )
{
const WCHAR *s = str;
while (*s) s++;
return s - str;
}
void dump_unicode_str( const WCHAR *str, int len )
{
if (len == -1) len = strlenW( str );
printf( "L\"");
while (len-- > 0 && *str)
{
WCHAR c = *str++;
switch (c)
{
case '\n': printf( "\\n" ); break;
case '\r': printf( "\\r" ); break;
case '\t': printf( "\\t" ); break;
case '"': printf( "\\\"" ); break;
case '\\': printf( "\\\\" ); break;
default:
if (c >= ' ' && c <= 126) putchar(c);
else printf( "\\u%04x",c);
}
}
printf( "\"" );
}
const char* get_symbol_str(const char* symname)
{
char* tmp;
const char* ret;
if (!symname) return "(nil)";
if (globals.do_demangle)
{
parsed_symbol symbol;
symbol_init(&symbol, symname);
if (!symbol_demangle(&symbol))
ret = symname;
else if (symbol.flags & SYM_DATA)
{
ret = tmp = dump_want_n(strlen(symbol.arg_text[0]) + 1);
if (tmp) strcpy(tmp, symbol.arg_text[0]);
}
else
{
unsigned int i, len, start = symbol.flags & SYM_THISCALL ? 1 : 0;
len = strlen(symbol.return_text) + 3 /* ' __' */ +
strlen(symbol_get_call_convention(&symbol)) + 1 /* ' ' */+
strlen(symbol.function_name) + 1 /* ')' */;
if (!symbol.argc || (symbol.argc == 1 && symbol.flags & SYM_THISCALL))
len += 4 /* "void" */;
else for (i = start; i < symbol.argc; i++)
len += (i > start ? 2 /* ", " */ : 0 /* "" */) + strlen(symbol.arg_text[i]);
if (symbol.varargs) len += 5 /* ", ..." */;
len += 2; /* ")\0" */
ret = tmp = dump_want_n(len);
if (tmp)
{
sprintf(tmp, "%s __%s %s(",
symbol.return_text,
symbol_get_call_convention(&symbol),
symbol.function_name);
if (!symbol.argc || (symbol.argc == 1 && symbol.flags & SYM_THISCALL))
strcat(tmp, "void");
else for (i = start; i < symbol.argc; i++)
{
if (i > start) strcat(tmp, ", ");
strcat(tmp, symbol.arg_text[i]);
}
if (symbol.varargs) strcat(tmp, ", ...");
strcat(tmp, ")");
}
}
symbol_clear(&symbol);
}
else ret = symname;
return ret;
}
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const char* get_guid_str(const GUID* guid)
{
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char* str;
str = dump_want_n(39);
if (str)
sprintf(str, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
guid->Data1, guid->Data2, guid->Data3,
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
return str;
}
const char *get_unicode_str( const WCHAR *str, int len )
{
char *buffer;
int i = 0;
if (len == -1) len = strlenW( str );
buffer = dump_want_n( len * 6 + 3);
buffer[i++] = '"';
while (len-- > 0 && *str)
{
WCHAR c = *str++;
switch (c)
{
case '\n': strcpy( buffer + i, "\\n" ); i += 2; break;
case '\r': strcpy( buffer + i, "\\r" ); i += 2; break;
case '\t': strcpy( buffer + i, "\\t" ); i += 2; break;
case '"': strcpy( buffer + i, "\\\"" ); i += 2; break;
case '\\': strcpy( buffer + i, "\\\\" ); i += 2; break;
default:
if (c >= ' ' && c <= 126) buffer[i++] = c;
else i += sprintf( buffer + i, "\\u%04x",c);
}
}
buffer[i++] = '"';
buffer[i] = 0;
return buffer;
}
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const void* PRD(unsigned long prd, unsigned long len)
{
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return (prd + len > dump_total_len) ? NULL : (const char*)dump_base + prd;
}
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unsigned long Offset(const void* ptr)
{
if (ptr < dump_base) {printf("<<<<<ptr below\n");return 0;}
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if ((const char *)ptr >= (const char*)dump_base + dump_total_len) {printf("<<<<<ptr above\n");return 0;}
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return (const char *)ptr - (const char *)dump_base;
}
static const struct dumper
{
enum FileSig kind;
enum FileSig (*get_kind)(void);
file_dumper dumper; /* default dump tool */
}
dumpers[] =
{
{SIG_DOS, get_kind_exec, dos_dump},
{SIG_PE, get_kind_exec, pe_dump},
{SIG_DBG, get_kind_dbg, dbg_dump},
{SIG_PDB, get_kind_pdb, pdb_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_LNK, get_kind_lnk, lnk_dump},
{SIG_EMF, get_kind_emf, emf_dump},
{SIG_MF, get_kind_mf, mf_dump},
{SIG_FNT, get_kind_fnt, fnt_dump},
{SIG_TLB, get_kind_tlb, tlb_dump},
{SIG_NLS, get_kind_nls, nls_dump},
{SIG_UNKNOWN, NULL, NULL} /* sentinel */
};
BOOL dump_analysis(const char *name, file_dumper fn, enum FileSig wanted_sig)
{
int fd;
BOOL ret = TRUE;
struct stat s;
const struct dumper *dpr;
setbuf(stdout, NULL);
fd = open(name, O_RDONLY | O_BINARY);
if (fd == -1) fatal("Can't open file");
if (fstat(fd, &s) < 0) fatal("Can't get size");
dump_total_len = s.st_size;
dump_base = xmalloc( dump_total_len );
if ((unsigned long)read( fd, dump_base, dump_total_len ) != dump_total_len) fatal( "Cannot read file" );
printf("Contents of %s: %ld bytes\n\n", name, dump_total_len);
for (dpr = dumpers; dpr->kind != SIG_UNKNOWN; dpr++)
{
if (dpr->get_kind() == dpr->kind &&
(wanted_sig == SIG_UNKNOWN || wanted_sig == dpr->kind))
{
if (fn) fn(); else dpr->dumper();
break;
}
}
if (dpr->kind == SIG_UNKNOWN)
{
printf("Can't get a suitable file signature, aborting\n");
ret = FALSE;
}
if (ret) printf("Done dumping %s\n", name);
free( dump_base );
close(fd);
return ret;
}
void dump_file(const char* name)
{
dump_analysis(name, NULL, SIG_UNKNOWN);
}