Notes
Change the keyboard layout on X
$ setxkbmap -layout es -model pc105 -rules xorg
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SigAtomicT: As the C standar say:
- All variables accessed by signal handlers must be of type "volatile sig_atomic_t". Check this commit
Qemu tcp redirections
qemu -redir tcp:3389::3389 -redir tcp:5023::23 xp.img
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Tracing function calls from GCC
// compile with:
// $ gcc -finstrument-functions test.c
#include <stdio.h>
void __cyg_profile_func_enter (void *this_fn, void *call_site)
__attribute__((no_instrument_function));
void __cyg_profile_func_enter (void *this_fn, void *call_site) {
printf ("--> call %p (%p)\n", this_fn, call_site);
}
//void __cyg_profile_func_exit (void *this_fn, void *call_site);
main() {
printf ("Hello World\n");
} |
Oneliner IDC script for dumping the original file from the IDB (original file recovery):
auto i;auto fd;fd = fopen("d:\miau","w"); for(i=MinEA();i<MaxEA();i++) fputc(Byte(i),fd); fclose(fd);
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GDB Commands
$ gdb --write -nx -q blah
(gdb) set {int} 0x804848 = 0x8484894
(WRITE-ON-DISK)
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To create Debian packages...use "checkinstall":
$ sudo checkinstall \
--pkgname radare \
--pkgversion=0.9beta \
--pkglicense=GPL \
--maintainer=pancake@youterm.com \
--requires=libgtk2.0-0,libncurses5
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ScratchBoxTips
echo 4096 > /proc/sys/vm/mmap_min_addr
sysctl -w vm.vdso_enabled=0
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'f' utility for finding files in shell
#!/usr/bin/perl -w
sub resolve_file {
my $f = shift; # file mask
my @lin=();
if ($f=~/\.$/) {
@lin = split(/\n/, `find . | grep '$f'`);
} else {
@lin = split(/\n/, `find . | grep '$f\$'`);
}
for my $l (@lin) {
print "$l\n";
$f = $l;
}
return $f;
}
sub resolve_contents {
my $c = shift; # contents
my $f = shift; # file mask
my @lin=();
if ($f=~/\.$/) {
@lin = split(/\n/, `find . | grep '$f'`);
} else {
@lin = split(/\n/, `find . | grep '$f\$'`);
}
for my $l (@lin) {
my $foo = `grep -re '$c' $l`;
if ($foo ne "") {
print "$l:\n$foo";
}
$f = $l;
}
return $f;
}
if ($#ARGV == -1) {
print "Usage: f [grep-content] [file-mask] ; search for contents\n";
print " f [file-mask] ; search for files\n";
} elsif ($ARGV[1] ne "") {
resolve_contents($ARGV[0], $ARGV[1]);
} else {
resolve_file($ARGV[0]);
}
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yeahlaunch!
(sleep 2 && yeahlaunch -fn 9x15 -step 4 -x 530 -fg "light steel blue" \
Terminal "Eterm" \
Canoe canoe \
Mixer "Eterm -e aumix" \
Elinks "Eterm -e elinks" \
Epiphany epiphany \
Claws claws-mail \
Gaim "gaim" \
Irc "Eterm -e irssi --connect=libers.irc-hispano.org" \
Gimp "gimp" \
Inkscape inkscape \
Home canoe \
xkill xkill\
Halt xhalt ) &
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Canmore
RedBoot> fconfig
Run script at boot: true
Boot script:
.. load -v -r -m disk -b 0x200000 hda2:bzImage
.. exec -b 0x200000 -l 0x300000 -c "console=ttyS0,115200 root=/dev/sda2 rw mem=e
xactmap memmap=640K@0 memmap=384M@1M ip=dhcp irqpoll"
Enter script, terminate with empty line
>> load -v -r -m disk -b 0x200000 hda2:bzImage
>> exec -b 0x200000 -l 0x300000 -c "console=ttyS0,115200 root=/dev/sda2 rw mem=e
xactmap memmap=640K@0 memmap=320M@1M ip=dhcp irqpoll"
>>
Boot script timeout (1000ms resolution): 2
Use BOOTP for network configuration: true
Default server IP address:
Console baud rate: 115200
GDB connection port: 9000
Force console for special debug messages: false
Network debug at boot time: false
Update RedBoot non-volatile configuration - continue (y/n)? y
... Unlock from 0xc1fc0000-0xc1fe0000: .
... Erase from 0xc1fc0000-0xc1fe0000: .
... Program from 0x03fe0000-0x04000000 at 0xc1fc0000: .
RedBoot>
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