radare2/libr/parse/p/parse_dalvik_pseudo.c
2018-01-08 03:22:26 +01:00

355 lines
9.8 KiB
C

/* radare - LGPL - Copyright 2012-2017 - pancake */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <r_lib.h>
#include <r_util.h>
#include <r_flag.h>
#include <r_anal.h>
#include <r_parse.h>
static int replace(int argc, const char *argv[], char *newstr) {
int i,j,k;
struct {
char *op;
char *str;
} ops[] = {
{ "rsub-int", "1 = 2 - 3"},
{ "float-to-double", "1 = (double)(float) 2"},
{ "float-to-long", "1 = (long)(float) 2"},
{ "float-to-int", "1 = (int)(float) 2"},
{ "long-to-float", "1 = (float)(long) 2"},
{ "long-to-int", "1 = (int)(long) 2"},
{ "long-to-double", "1 = (double) 2"},
{ "double-to-long", "1 = (long) 2"},
{ "double-to-int", "1 = (int) 2"},
{ "int-to-double", "1 = (double) 2"},
{ "int-to-long", "1 = (long) 2"},
{ "int-to-byte", "1 = (byte) 2"},
{ "aget-byte", "1 = (byte) 2[3]"},
{ "aget-short", "1 = (short) 2[3]"},
{ "aget-object", "1 = (object) 2[3]"},
{ "sput-wide", "1 = 2"},
{ "sput-object", "1 = 2"},
{ "add-long", "1 = 2 + 3"},
{ "add-double", "1 = 2 + 3"},
{ "mul-long", "1 = 2 * 3"},
{ "const-string/jumbo", "1 = (jumbo-string) 2"},
{ "const-string", "1 = (string) 2"},
{ "const-wide", "1 = (wide) 2"},
{ "const/4", "1 = (wide) 2"},
{ "cmp-int", "1 = (2 == 3)"},
{ "cmp-long", "1 = (2 == 3)"},
{ "cmpl-double", "1 = (double)(2 == 3)"},
{ "cmpl-float", "1 = (float)(2 == 3)"},
{ "cmpl-int", "1 = (int)(2 == 3)"},
{ "cmpg-double", "1 = (2 == 3)"},
{ "cmpg-float", "1 = (2 == 3)"},
{ "or-int/2addr", "1 |= 2"},
{ "or-long", "1 |= 2"},
{ "and-long/2addr", "1 &= (long) 2"},
{ "and-int", "1 &= (int) 2"},
{ "and-byte", "1 &= (byte) 2"},
{ "sub-float/2addr", "1 -= 2"},
{ "sub-float", "1 = 2 - 3"},
{ "sub-int", "1 = (int) 2 - 3"},
{ "sub-long", "1 = (long) 2 - 3"},
{ "sub-long/2addr", "1 -= (long) 2"},
{ "sub-int/2addr", "1 -= 2"},
{ "move", "1 = 2"},
{ "move/16", "1 = 2"},
{ "move-object", "1 = (object) 2"},
{ "move-object/16", "1 = (object) 2"},
{ "move-object/from16", "1 = (object) 2"},
{ "move-wide/from16", "1 = (wide) 2"},
{ "array-length", "1 = Array.length (2)"},
{ "new-array", "1 = new array (2, 3)"},
{ "new-instance", "1 = new 2"},
{ "shr-long/2addr", "1 >>= 2"},
{ "shr-long", "1 = (long) 2 >> 3"},
{ "shr-int", "1 = (int) 2 >> 3"},
{ "ushr-int", "1 = (int) 2 >>> 3"},
{ "ushr-int/2addr", "1 >>>= 2"},
{ "ushr-long", "1 = (long) 2 >>> 3"},
{ "ushl-int/2addr", "1 <<<= 2"},
{ "shl-int/2addr", "1 <<<= 2"},
{ "shl-int", "1 = (int) 2 << 3"},
{ "shl-long", "1 = (long) 2 << 3"},
{ "move/from16", "1 = 2"},
{ "move-exception", "1 = exception"},
{ "move-result", "1 = result"},
{ "move-result-wide", "1 = (wide) result"},
{ "move-result-object", "1 = (object) result"},
{ "const-wide/high16", "1 = 2"},
{ "const/16", "1 = 2"},
{ "const-wide/16", "1 = 2"},
{ "const-wide/32", "1 = 2"},
{ "const-class", "1 = (class) 2"},
{ "const/high16", "1 = 2"},
{ "const", "1 = 2"},
{ "rem-long", "1 = (long) 2 % 3"},
{ "rem-double", "1 = (double) 2 % 3"},
{ "rem-float", "1 = (float) 2 % 3"},
{ "rem-long/2addr", "1 %= 2"},
{ "rem-float/2addr", "1 %= (float) 2"},
{ "rem-double/2addr", "1 %= (double) 2"},
{ "instance-of", "1 = insteanceof (2) == 3"},
{ "aput", "2[3] = 1"},
{ "aput-byte", "2[3] = (byte) 1"},
{ "aput-short", "2[3] = (short) 1"},
{ "aput-object", "2[3] = (object) 1"},
{ "aput-wide", "2[3] = (wide) 1"},
{ "aput-char", "2[3] = (char) 1"},
{ "aput-boolean", "2[3] = (bool) 1"},
{ "aget", "1 = 2[3]"},
{ "aget-wide", "1 = (wide) 2[3]"},
{ "aget-char", "1 = (char) 2[3]"},
{ "aget-boolean", "1 = (boolean) 2[3]"},
{ "sget", "1 = 2"},
{ "sget-char", "1 = (char) 2"},
{ "sget-short", "1 = (short) 2"},
{ "sget-boolean", "1 = (bool) 2"},
{ "sget-object", "1 = (object) 2"},
{ "iput", "2[3] = 1"},
{ "iput-object", "2[3] = (object) 1"},
{ "iput-byte", "2[3] = (byte) 1"},
{ "iput-char", "2[3] = (char) 1"},
{ "iput-boolean", "2[3] = (bool) 1"},
{ "sput-boolean", "2[3] = (bool) 1"},
{ "sput-char", "2[3] = (char) 1"},
{ "iput-int", "2[3] = (int) 1"},
{ "iget", "1 = 2[3]"},
{ "sget-byte", "1 = (byte) 2[3]"},
{ "iget-byte", "1 = (byte) 2[3]"},
{ "iget-char", "1 = (char) 2[3]"},
{ "iget-short", "1 = (short) 2[3]"},
{ "iget-wide", "1 = (wide) 2[3]"},
{ "iget-object", "1 = (object) 2[3]"},
{ "iget-boolean", "1 = (bool) 2[3]"},
{ "+iget-wide-volatile", "1 = (wide-volatile) 2[3]"},
{ "if-eq", "if (1 == 2) goto 3"},
{ "if-lt", "if (1 < 2) goto 3"},
{ "if-ne", "if (1 != 2) goto 3"},
{ "if-eqz", "if (!1) goto 2"},
{ "if-ge", "if (1 > zero) goto 2"},
{ "if-le", "if (1 <= 2) goto 3"},
{ "if-gtz", "if (1 > 0) goto 2"},
{ "filled-new-array", "1 = new Array(2)"},
{ "neg-long", "1 = -2"},
{ "neg-double", "1 = -2"},
{ "neg-float", "1 = -2"},
{ "not-int", "1 = !2"},
{ "packed-switch", "switch 2"},
{ "sparse-switch", "switch 2"},
{ "invoke-direct", "call 2 1"},
{ "invoke-direct/range", "call 2 1"},
{ "invoke-interface", "call 2 1"},
{ "invoke-static", "call 2 1"},
{ "invoke-super", "call super 2 1"},
{ "invoke-super/range", "call super 2 1"},
{ "invoke-virtual/range", "call 2 1"},
{ "invoke-virtual", "call 2 1"},
{ "+invoke-virtual-quick", "call 2 1"},
{ "+invoke-interface/range", "call 2 1"},
{ "invoke-interface/range", "call 2 1"},
{ "div-float/2addr", "1 /= (float) 2"},
{ "div-double/2addr", "1 /= (double) 2"},
{ "div-double", "1 = (double) 2 / 3"},
{ "div-float", "1 = 2 / 3"},
{ "div-int/lit8", "1 = 2 / 3"},
{ "div-int/lit16", "1 = 2 / 3"},
{ "div-int/2addr", "1 /= 2"},
{ "div-int", "1 = (int)(2 / 3)"},
{ "goto/16", "goto 1"},
{ "goto/32", "goto 1"},
{ "or-int", "1 = (int)(2 | 3)"},
{ "xor-int", "1 = (int)(2 ^ 3)"},
{ "xor-int/2addr", "1 ^= 2"},
{ "xor-byte", "1 = (byte)(2 ^ 3)"},
{ "xor-short", "1 = (short)(2 ^ 3)"},
{ "sub-int", "1 = (int)(2 - 3)"},
{ "if-nez", "if (1) goto 2"},
{ "if-ltz", "if (1 <=) goto 2"},
{ "mul-int", "1 = (int)(2 * 3)"},
{ "mul-int/lit8", "1 = (2 * 3)"},
{ "check-cast", "if (1 instanceof 2)"},
{ "add-int", "1 = (int)(2 + 3)"},
{ "add-int/lit8", "1 = 2 + 3"},
{ "add-int/lit16", "1 = 2 + 3"},
{ "add-int/2addr", "1 += 2"},
{ "add-double", "1 = (double)(2 + 3)"},
{ "add-double/2addr", "1 += (double)2"},
{ "mul-float/2addr", "1 *= 2"},
{ "mul-float", "1 = 2 * 3"},
{ "xor-long", "1 = (long)(2 ^ 3)"},
{ "mul-double", "1 = 2 * 3"},
{ "move-wide", "1 = 2"},
{ "move-wide/16", "1 = 2"},
{ "return-wide", "return (wide) 1"},
{ "return-object", "return (object) 1"},
// { "sget", "1 = 2[3]"},
{ NULL }
};
for (i=0; ops[i].op != NULL; i++) {
if (!strcmp (ops[i].op, argv[0])) {
if (newstr != NULL) {
for (j=k=0;ops[i].str[j]!='\0';j++,k++) {
if (ops[i].str[j]>='1' && ops[i].str[j]<='9') {
const char *w = argv[ ops[i].str[j]-'0' ];
if (w != NULL) {
strcpy (newstr+k, w);
k += strlen(w)-1;
}
} else newstr[k] = ops[i].str[j];
}
newstr[k]='\0';
}
return true;
}
}
/* TODO: this is slow */
if (newstr != NULL) {
newstr[0] = '\0';
for (i=0; i<argc; i++) {
strcat (newstr, argv[i]);
strcat (newstr, (i == 0 || i== argc - 1)?" ":", ");
}
}
return false;
}
static int parse(RParse *p, const char *data, char *str) {
int i, len = strlen (data);
char *buf, *ptr, *optr, *ptr2;
char w0[64];
char w1[64];
char w2[64];
char w3[64];
char w4[64];
if (!strcmp (data, "invalid")
|| !strcmp (data, "nop")
|| !strcmp (data, "DEPRECATED")) {
str[0] = 0;
return true;
}
// malloc can be slow here :?
if (!(buf = malloc (len+1)))
return false;
memcpy (buf, data, len+1);
r_str_trim (buf);
if (*buf) {
w0[0]='\0';
w1[0]='\0';
w2[0]='\0';
w3[0]='\0';
w4[0]='\0';
ptr = strchr (buf, ' ');
if (!ptr)
ptr = strchr (buf, '\t');
if (ptr) {
*ptr = '\0';
for (++ptr; *ptr==' '; ptr++);
strncpy (w0, buf, sizeof (w0) - 1);
w0[sizeof(w0)-1] = '\0';
strncpy (w1, ptr, sizeof (w1) - 1);
w1[sizeof(w1)-1] = '\0';
optr=ptr;
ptr2 = strchr (ptr, '}');
if (ptr2) ptr = ptr2+1;
ptr = strchr (ptr, ',');
if (ptr) {
*ptr = '\0';
for (++ptr; *ptr==' '; ptr++);
strncpy (w1, optr, sizeof (w1) - 1);
w1[sizeof(w1)-1] = '\0';
strncpy (w2, ptr, sizeof (w2) - 1);
w2[sizeof(w2)-1] = '\0';
optr=ptr;
ptr = strchr (ptr, ',');
if (ptr) {
*ptr = '\0';
for (++ptr; *ptr==' '; ptr++);
strncpy (w2, optr, sizeof (w2) - 1);
w2[sizeof(w2)-1] = '\0';
strncpy (w3, ptr, sizeof (w3) - 1);
w3[sizeof(w3)-1] = '\0';
optr=ptr;
// bonus
ptr = strchr (ptr, ',');
if (ptr) {
*ptr = '\0';
for (++ptr; *ptr==' '; ptr++);
strncpy (w3, optr, sizeof (w3) - 1);
w3[sizeof(w3)-1] = '\0';
strncpy (w4, ptr, sizeof (w4) - 1);
w4[sizeof(w4)-1] = '\0';
}
}
}
}
{
const char *wa[] = { w0, w1, w2, w3, w4 };
int nw = 0;
for (i=0; i<4; i++) {
if (wa[i][0] != '\0')
nw++;
}
replace (nw, wa, str);
{
char *p = strdup (str);
p = r_str_replace (p, "+ -", "- ", 0);
#if EXPERIMENTAL_ZERO
p = r_str_replace (p, "zero", "0", 0);
if (!memcmp (p, "0 = ", 4)) *p = 0; // nop
#endif
if (!strcmp (w1, w2)) {
char a[32], b[32];
#define REPLACE(x,y) \
sprintf (a, x, w1, w1); \
sprintf (b, y, w1); \
p = r_str_replace (p, a, b, 0);
// TODO: optimize
REPLACE ("%s = %s +", "%s +=");
REPLACE ("%s = %s -", "%s -=");
REPLACE ("%s = %s &", "%s &=");
REPLACE ("%s = %s |", "%s |=");
REPLACE ("%s = %s ^", "%s ^=");
REPLACE ("%s = %s >>", "%s >>=");
REPLACE ("%s = %s <<", "%s <<=");
}
strcpy (str, p);
free (p);
}
}
}
free (buf);
return true;
}
RParsePlugin r_parse_plugin_dalvik_pseudo = {
.name = "dalvik.pseudo",
.desc = "DALVIK pseudo syntax",
.init = NULL,
.fini = NULL,
.parse = parse,
};
#ifndef CORELIB
RLibStruct radare_plugin = {
.type = R_LIB_TYPE_PARSE,
.data = &r_parse_plugin_dalvik_pseudo,
.version = R2_VERSION
};
#endif