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* Fix nullpointer checks in p/bin p9, pe and pe64 when

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using virtual files like malloc:// (thanks @vext01 for reporting)
* Add search.in=block
* Fix search ranges in search.in=file (fixes r2-regressions test)
This commit is contained in:
pancake 2012-02-01 22:42:38 +01:00
parent f79ed42f85
commit 5deffac04f
5 changed files with 22 additions and 7 deletions
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6
libr/bin/p/bin_p9.c
View File

@ -1,4 +1,4 @@
/* radare - LGPL - Copyright 2009-2011 nibble<.ds@gmail.com>, pancake<nopcode.org> */
/* radare - LGPL - Copyright 2009-2012 nibble<.ds@gmail.com>, pancake<nopcode.org> */
#include <r_types.h>
#include <r_util.h>
@ -7,7 +7,9 @@
#include "../format/p9/p9bin.h"
static int check(RBinArch *arch) {
return (r_bin_p9_get_arch(arch->buf->buf, NULL, NULL));
if (arch && arch->buf && arch->buf->buf)
return (r_bin_p9_get_arch (arch->buf->buf, NULL, NULL));
return R_FALSE;
}
static int load(RBinArch *arch) {

2
libr/bin/p/bin_pe.c
View File

@ -213,6 +213,8 @@ static RBinInfo* info(RBinArch *arch) {
#if !R_BIN_PE64
static int check(RBinArch *arch) {
int idx, ret = R_FALSE;
if (!arch || !arch->buf || !arch->buf->buf)
return R_FALSE;
idx = (arch->buf->buf[0x3c]|(arch->buf->buf[0x3d]<<8));
if (arch->buf->length>idx)
if (!memcmp (arch->buf->buf, "\x4d\x5a", 2) &&

8
libr/bin/p/bin_pe64.c
View File

@ -1,11 +1,13 @@
/* radare - LGPL - Copyright 2009-2010 nibble<.ds@gmail.com> */
/* radare - LGPL - Copyright 2009-2012 nibble<.ds@gmail.com> */
#define R_BIN_PE64 1
#include "bin_pe.c"
static int check(RBinArch *arch) {
int ret = R_FALSE;
int idx = arch->buf->buf[0x3c]|(arch->buf->buf[0x3d]<<8);
int idx, ret = R_FALSE;
if (!arch || !arch->buf || !arch->buf->buf)
return R_FALSE;
idx = arch->buf->buf[0x3c]|(arch->buf->buf[0x3d]<<8);
if (arch->buf->length>=idx+0x20)
if (!memcmp (arch->buf->buf, "\x4d\x5a", 2) &&
!memcmp (arch->buf->buf+idx, "\x50\x45", 2) &&

11
libr/core/cmd.c
View File

@ -3827,16 +3827,25 @@ static int cmd_search(void *data, const char *input) {
ut8 *buf;
mode = r_config_get (core->config, "search.in");
if (!strcmp (mode, "block")) {
from = core->offset;
to = core->offset + core->blocksize;
} else
if (!strcmp (mode, "file")) {
if (core->io->va) {
ut64 vaddr = 0LL;
RListIter *iter;
RIOSection *s;
from = core->offset;
to = from;
r_list_foreach (core->io->sections, iter, s) {
if ((s->vaddr+s->size) > to)
if ((s->vaddr+s->size) > to && from>=s->vaddr) {
vaddr = s->vaddr;
to = s->vaddr+s->size;
}
}
if (to == 0LL || to == UT64_MAX || to == UT32_MAX)
to = r_io_size (core->io);
} else {
from = core->offset;
to = r_io_size (core->io);

2
libr/core/config.c
View File

@ -546,7 +546,7 @@ R_API int r_core_config_init(RCore *core) {
r_config_set_i_cb (cfg, "scr.cols", 16, &config_scrcols_callback);
r_config_desc (cfg, "scr.cols", "Configure the number of columns to print");
r_config_set (cfg, "search.in", "file");
r_config_desc (cfg, "search.in", "Specify search boundaries. (raw, file, section)");
r_config_desc (cfg, "search.in", "Specify search boundaries (raw, block, file, section)");
r_config_set_i (cfg, "search.kwidx", 0);
r_config_desc (cfg, "search.kwidx", "Store last search index count");
r_config_set (cfg, "search.flags", "true");