mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-15 09:21:00 +00:00
171 lines
3.9 KiB
C
171 lines
3.9 KiB
C
/* radare - LGPL - Copyright 2009-2015 - pancake */
|
|
|
|
static void cmd_egg_option (REgg *egg, const char *key, const char *input) {
|
|
if (!*input) return;
|
|
if (input[1]!=' ') {
|
|
char *a = r_egg_option_get (egg, key);
|
|
if (a) {
|
|
r_cons_printf ("%s\n", a);
|
|
free (a);
|
|
}
|
|
} else r_egg_option_set (egg, key, input+2);
|
|
}
|
|
|
|
static int cmd_egg_compile(REgg *egg) {
|
|
int i;
|
|
RBuffer *b;
|
|
int ret = false;
|
|
char *p = r_egg_option_get (egg, "egg.shellcode");
|
|
if (p && *p) {
|
|
if (!r_egg_shellcode (egg, p)) {
|
|
free (p);
|
|
return false;
|
|
}
|
|
free (p);
|
|
}
|
|
r_egg_compile (egg);
|
|
if (!r_egg_assemble (egg)) {
|
|
eprintf ("r_egg_assemble: invalid assembly\n");
|
|
return false;
|
|
}
|
|
p = r_egg_option_get (egg, "egg.padding");
|
|
if (p && *p) {
|
|
r_egg_padding (egg, p);
|
|
free (p);
|
|
}
|
|
p = r_egg_option_get (egg, "egg.encoder");
|
|
if (p && *p) {
|
|
r_egg_encode (egg, p);
|
|
free (p);
|
|
}
|
|
if ((b = r_egg_get_bin (egg))) {
|
|
if (b->length>0) {
|
|
for (i=0; i<b->length; i++)
|
|
r_cons_printf ("%02x", b->buf[i]);
|
|
r_cons_printf ("\n");
|
|
}
|
|
ret = true;
|
|
}
|
|
// we do not own this buffer!!
|
|
// r_buf_free (b);
|
|
r_egg_reset (egg);
|
|
return ret;
|
|
}
|
|
|
|
static int cmd_egg(void *data, const char *input) {
|
|
RCore *core = (RCore *)data;
|
|
REgg *egg = core->egg;
|
|
char *oa, *p;
|
|
r_egg_setup (egg,
|
|
r_config_get (core->config, "asm.arch"),
|
|
core->assembler->bits, 0,
|
|
r_config_get (core->config, "asm.os")); // XXX
|
|
switch (*input) {
|
|
case 's': // "gs"
|
|
// TODO: pass args to r_core_syscall without vararg
|
|
if (input[1] == ' ') {
|
|
const char *ooaa = input+2;
|
|
while (IS_WHITESPACE(*ooaa) && *ooaa) ooaa++;
|
|
oa = strdup (ooaa);
|
|
p = strchr (oa+1, ' ');
|
|
if (p) {
|
|
*p = 0;
|
|
r_core_syscall (core, oa, p+1);
|
|
} else {
|
|
r_core_syscall (core, oa, "");
|
|
}
|
|
free (oa);
|
|
} else {
|
|
eprintf ("Usage: gs [syscallname] [parameters]\n");
|
|
}
|
|
break;
|
|
case ' ':
|
|
if (input[1] && input[2]) {
|
|
r_egg_load (egg, input+2, 0);
|
|
if (!cmd_egg_compile (egg))
|
|
eprintf ("Cannot compile '%s'\n", input+2);
|
|
} else {
|
|
eprintf ("wat\n");
|
|
}
|
|
break;
|
|
case '\0':
|
|
if (!cmd_egg_compile (egg))
|
|
eprintf ("Cannot compile\n");
|
|
break;
|
|
case 'p': // "gp"
|
|
cmd_egg_option (egg, "egg.padding", input);
|
|
break;
|
|
case 'e': // "ge"
|
|
cmd_egg_option (egg, "egg.encoder", input);
|
|
break;
|
|
case 'i':
|
|
cmd_egg_option (egg, "egg.shellcode", input);
|
|
break;
|
|
case 'l':
|
|
{
|
|
RListIter *iter;
|
|
REggPlugin *p;
|
|
r_list_foreach (egg->plugins, iter, p) {
|
|
printf ("%s %6s : %s\n",
|
|
(p->type==R_EGG_PLUGIN_SHELLCODE)?
|
|
"shc":"enc", p->name, p->desc);
|
|
}
|
|
}
|
|
break;
|
|
case 'r':
|
|
cmd_egg_option (egg, "egg.padding", "");
|
|
cmd_egg_option (egg, "egg.shellcode", "");
|
|
cmd_egg_option (egg, "egg.encoder", "");
|
|
break;
|
|
case 'c':
|
|
// list, get, set egg options
|
|
switch (input[1]) {
|
|
case ' ':
|
|
oa = strdup (input+2);
|
|
p = strchr (oa, '=');
|
|
if (p) {
|
|
*p = 0;
|
|
r_egg_option_set (egg, oa, p+1);
|
|
} else {
|
|
char *o = r_egg_option_get (egg, oa);
|
|
if (o) {
|
|
r_cons_printf ("%s\n", o);
|
|
free (o);
|
|
}
|
|
}
|
|
free (oa);
|
|
break;
|
|
case '\0':
|
|
// list
|
|
// r_pair_list (egg->pair,NULL);
|
|
eprintf ("TODO: list options\n");
|
|
eprintf ("list options\n");
|
|
break;
|
|
default:
|
|
eprintf ("Usage: gc [k=v]\n");
|
|
break;
|
|
}
|
|
break;
|
|
case '?': {
|
|
const char* help_msg[] = {
|
|
"Usage:", "g[wcilper] [arg]", "Go compile shellcodes",
|
|
"g", " foo.r", "Compile r_egg source file",
|
|
"gw", "", "Compile and write",
|
|
"gc", " cmd=/bin/ls", "Set config option for shellcodes and encoders",
|
|
"gc", "", "List all config options",
|
|
"gl", "", "List plugins (shellcodes, encoders)",
|
|
"gs", " name args", "Compile syscall name(args)",
|
|
"gi", " exec", "Compile shellcode. like ragg2 -i",
|
|
"gp", " padding", "Define padding for command",
|
|
"ge", " xor", "Specify an encoder",
|
|
"gr", "", "Reset r_egg",
|
|
"EVAL VARS:", "", "asm.arch, asm.bits, asm.os",
|
|
NULL};
|
|
r_core_cmd_help (core, help_msg);
|
|
}
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|