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https://github.com/radareorg/radare2.git
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Implement icc*, in sync with ic* to get C strcuts from mach0 classes into r2 ##bin
This commit is contained in:
pancake
radare
parent
2b0962af31
commit
5881fcd2e1
125
libr/core/cbin.c
125
libr/core/cbin.c
@ -3060,6 +3060,84 @@ static int bin_trycatch(RCore *core, int mode) {
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return true;
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}
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// https://nshipster.com/type-encodings/
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static char *objc_type_toc(const char *objc_type) {
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if (!objc_type) {
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return strdup ("void*");
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}
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if (*objc_type == '^' && objc_type[1] == '{') {
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char *a = strdup (objc_type + 2);
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char *b = strchr (a, '>');
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if (b) {
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*b = 0;
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}
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a[strlen (a) - 1] = 0;
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return a;
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}
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if (*objc_type == '<') {
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char *a = strdup (objc_type + 1);
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char *b = strchr (a, '>');
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if (b) {
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*b = 0;
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}
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return a;
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}
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if (!strcmp (objc_type, "f")) { return strdup ("float"); }
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if (!strcmp (objc_type, "d")) { return strdup ("double"); }
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if (!strcmp (objc_type, "i")) { return strdup ("int"); }
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if (!strcmp (objc_type, "s")) { return strdup ("short"); }
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if (!strcmp (objc_type, "l")) { return strdup ("long"); }
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if (!strcmp (objc_type, "L")) { return strdup ("unsigned long"); }
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if (!strcmp (objc_type, "*")) { return strdup ("char*"); }
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if (!strcmp (objc_type, "c")) { return strdup ("bool"); }
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if (!strcmp (objc_type, "v")) { return strdup ("void"); }
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if (!strcmp (objc_type, "#")) { return strdup ("class"); }
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if (!strcmp (objc_type, "B")) { return strdup ("cxxbool"); }
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if (!strcmp (objc_type, "Q")) { return strdup ("uint64_t"); }
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if (!strcmp (objc_type, "q")) { return strdup ("long long"); }
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if (!strcmp (objc_type, "C")) { return strdup ("uint8_t"); }
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if (strlen (objc_type) == 1) {
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eprintf ("Unknown objc type '%s'\n", objc_type);
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}
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if (r_str_startswith (objc_type, "@\"")) {
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char *s = r_str_newf ("struct %s", objc_type + 2);
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s[strlen (s) - 1] = '*';
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return s;
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}
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return strdup (objc_type);
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}
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static char *objc_name_toc(const char *objc_name) {
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const char *n = r_str_lchr (objc_name, ')');
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char *s = strdup (n? n + 1: objc_name);
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char *p = strchr (s, '(');
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if (p) {
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*p = 0;
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}
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return s;
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}
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static void classdump_c(RCore *r, RBinClass *c) {
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r_cons_printf ("typedef struct class_%s {\n", c->name);
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RListIter *iter2;
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RBinField *f;
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// XXX this is a hack because r2 doesnt supports empty structs yet
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// XXX https://github.com/radareorg/radare2/issues/16342
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if (r_list_empty (c->fields)) {
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r_cons_printf ("void *padding;\n");
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}
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r_list_foreach (c->fields, iter2, f) {
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if (f->type && f->name) {
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char *n = objc_name_toc (f->name);
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char *t = objc_type_toc (f->type);
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r_cons_printf (" %s %s; // %d\n", t, n, f->offset);
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free (t);
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free (n);
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}
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}
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r_cons_printf ("} %s;\n\n", c->name);
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}
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static void classdump_objc(RCore *r, RBinClass *c) {
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if (c->super) {
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r_cons_printf ("@interface %s : %s\n{\n", c->name, c->super);
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@ -3143,7 +3221,7 @@ static int bin_classes(RCore *r, int mode) {
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return false;
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}
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r_flag_space_set (r->flags, R_FLAGS_FS_CLASSES);
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} else if (IS_MODE_RAD (mode)) {
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} else if (IS_MODE_RAD (mode) && !IS_MODE_CLASSDUMP (mode)) {
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r_cons_println ("fs classes");
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}
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@ -3194,6 +3272,21 @@ static int bin_classes(RCore *r, int mode) {
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r_cons_printf ("0x%08"PFMT64x" [0x%08"PFMT64x" - 0x%08"PFMT64x"] %s%s%s\n",
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c->addr, at_min, at_max, c->name, c->super ? " " : "",
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c->super ? c->super : "");
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} else if (IS_MODE_CLASSDUMP (mode)) {
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if (c) {
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RBinFile *bf = r_bin_cur (r->bin);
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if (bf && bf->o) {
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if (IS_MODE_RAD (mode)) {
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classdump_c (r, c);
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} else if (bf->o->lang == R_BIN_NM_JAVA || (bf->o->info && bf->o->info->lang && strstr (bf->o->info->lang, "dalvik"))) {
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classdump_java (r, c);
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} else {
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classdump_objc (r, c);
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}
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} else {
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classdump_objc (r, c);
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}
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}
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} else if (IS_MODE_RAD (mode)) {
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char *n = __filterShell (name);
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r_cons_printf ("\"f class.%s = 0x%"PFMT64x"\"\n", n, at_min);
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@ -3228,6 +3321,23 @@ static int bin_classes(RCore *r, int mode) {
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}
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R_FREE (mflags);
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}
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r_list_foreach (c->fields, iter2, f) {
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char *fn = r_str_newf ("field.%s.%s", c->name, f->name);
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ut64 at = f->vaddr; // sym->vaddr + (f->vaddr & 0xffff);
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r_cons_printf ("\"f %s = 0x%08"PFMT64x"\"\n", fn, at);
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free (fn);
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}
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// C struct
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r_cons_printf ("\"td struct %s {", c->name);
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r_list_foreach (c->fields, iter2, f) {
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char *n = objc_name_toc (f->name);
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char *t = objc_type_toc (f->type);
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r_cons_printf (" %s %s;", t, n);
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free (t);
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free (n);
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}
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r_cons_printf ("};\"\n");
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} else if (IS_MODE_JSON (mode)) {
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if (c->super) {
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r_cons_printf ("%s{\"classname\":\"%s\",\"addr\":%"PFMT64d",\"index\":%d,\"visibility\":\"%s\",\"super\":\"%s\",\"methods\":[",
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@ -3262,19 +3372,6 @@ static int bin_classes(RCore *r, int mode) {
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}
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}
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r_cons_printf ("]}");
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} else if (IS_MODE_CLASSDUMP (mode)) {
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if (c) {
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RBinFile *bf = r_bin_cur (r->bin);
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if (bf && bf->o) {
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if (bf->o->lang == R_BIN_NM_JAVA || (bf->o->info && bf->o->info->lang && strstr (bf->o->info->lang, "dalvik"))) {
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classdump_java (r, c);
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} else {
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classdump_objc (r, c);
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}
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} else {
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classdump_objc (r, c);
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}
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}
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} else {
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int m = 0;
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r_cons_printf ("0x%08"PFMT64x" [0x%08"PFMT64x" - 0x%08"PFMT64x"] %6"PFMT64d" class %d %s",
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@ -1045,7 +1045,7 @@ static int cmd_info(void *data, const char *input) {
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if (!obj) {
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break;
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}
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if (input[2] && input[2] != 'j' && !strstr (input, "qq")) {
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if (input[2] && input[2] != '*' && input[2] != 'j' && !strstr (input, "qq")) {
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bool radare2 = strstr (input, "**") != NULL;
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int idx = -1;
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const char * cls_name = NULL;
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@ -1134,7 +1134,7 @@ static int cmd_info(void *data, const char *input) {
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r_cons_printf ("%s\n", cls->name);
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}
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}
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} else if (input[1] == 'l' && obj) { // "icl"
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} else if (input[1] == 'l') { // "icl"
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r_list_foreach (obj->classes, iter, cls) {
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r_list_foreach (cls->methods, iter2, sym) {
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const char *comma = iter2->p? " ": "";
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@ -1144,8 +1144,11 @@ static int cmd_info(void *data, const char *input) {
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r_cons_newline ();
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}
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}
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} else if (input[1] == 'c' && obj) { // "icc"
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} else if (input[1] == 'c') { // "icc"
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mode = R_MODE_CLASSDUMP;
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if (input[2] == '*') {
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mode |= R_MODE_RADARE;
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}
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RBININFO ("classes", R_CORE_BIN_ACC_CLASSES, NULL, r_list_length (obj->classes));
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input = " ";
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} else { // "icq"
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