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Add more -A levels for analysis info

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pancake committed 2026-10-08 00:44:32 +02:00
1 parent 0bcdb6b8aa
commit ccaa476cac
1 file changed
+78 -11
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src/r2/core_r2unity.c
+78 -11
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@@ -14,14 +14,17 @@ static const char *g_help_msg[] = {
"r2unity", "", "show this help",
"r2unity?", "", "show this help",
"r2unity-A", "", "import classes and method flags (same as .r2unity-c*)",
"r2unity-AA", "", "also import method comments, strings, native tables and interop",
"r2unity-AAA", "", "also analyze native references (aar)",
"r2unity-AAAA", "", "also perform native analysis (aaa)",
"r2unity-c", "[*j]", "enumerate classes, inheritance, methods, and fields",
"r2unity-D", "", "auto-detect companion files from current binary path",
"r2unity-L", "", "open/select and map the IL2CPP native library",
"r2unity-i", "[j]", "summary (metadata version, type/method counts)",
"r2unity-s", "[*j]", "apply/list managed/native symbols as flags + comments",
"r2unity-z", "[j]", "list managed string literals",
"r2unity-P", "[*j]", "list P/Invoke (managed -> native)",
"r2unity-R", "[*j]", "list reverse-P/Invoke (native -> managed)",
"r2unity-z", "[+j]", "list managed string literals (+ imports flags and string metadata)",
"r2unity-P", "[+*j]", "list P/Invoke (managed -> native, + imports flags and comments)",
"r2unity-R", "[+*j]", "list reverse-P/Invoke (native -> managed, + imports wrappers)",
"r2unity-S", "[j]", "emit managed-assembly SBOM (text or JSON)", "Variables:", "", "",
"r2unity.metadata", "", "path to global-metadata.dat",
"r2unity.library", "", "path to IL2CPP native library",
@@ -1017,6 +1020,46 @@ static int cmd_symbols(RCore *core, char mode) {
}
/* ---------- r2unity-z (string literals) ---------- */
static bool map_metadata(RCore *core, ut64 size, ut64 *base) {
const char *path = resolve_metadata_path (core);
RIODesc *desc = r_io_desc_get_byuri (core->io, path);
if (desc) {
RList *maps = r_io_map_get_by_fd (core->io, desc->fd);
RListIter *iter;
RIOMap *map;
r_list_foreach (maps, iter, map) {
if (!map->delta && r_itv_size (map->itv) >= size
&& r_io_map_get_at (core->io, r_io_map_begin (map)) == map) {
*base = r_io_map_begin (map);
r_list_free (maps);
return true;
}
}
r_list_free (maps);
}
*base = 0;
if (!r_io_map_locate (core->io, base, size, 0x1000)) {
R_LOG_ERROR ("cannot find space to map metadata");
return false;
}
int fd = r_io_fd_get_current (core->io);
bool opened = !desc;
if (opened) {
desc = r_io_open_nomap (core->io, path, R_PERM_R, 0);
r_io_use_fd (core->io, fd);
}
RIOMap *map = desc? r_io_map_add (core->io, desc->fd, R_PERM_R, 0, *base, size): NULL;
if (!map) {
if (opened && desc) {
r_io_desc_close (desc);
}
R_LOG_ERROR ("cannot map metadata: %s", path);
return false;
}
r_io_map_set_name (map, "r2unity.metadata");
return true;
}
static int cmd_strings(RCore *core, char mode) {
RBuffer *buf = NULL;
R2UnityMetadata *meta = open_metadata (core, &buf);
@@ -1026,9 +1069,20 @@ static int cmd_strings(RCore *core, char mode) {
size_t count = 0;
Il2CppStringLiteral *lits = r2unity_get_string_literals (meta, &count);
if (!lits) {
R_LOG_ERROR ("no string literals found");
if (mode != '+') {
R_LOG_ERROR ("no string literals found");
}
close_metadata (meta, buf);
return 1;
return mode == '+'? 0: 1;
}
ut64 base = 0;
if (mode == '+') {
if (!map_metadata (core, r_buf_size (buf), &base)) {
R_FREE (lits);
close_metadata (meta, buf);
return 1;
}
r_flag_set (core->flags, "r2unity.metadata", base, r_buf_size (buf));
}
PJ *pj = NULL;
if (mode == 'j') {
@@ -1037,21 +1091,34 @@ static int cmd_strings(RCore *core, char mode) {
pj_kb (pj, "ok", true);
pj_kn (pj, "count", (ut64)count);
pj_ka (pj, "strings");
} else {
} else if (mode != '+') {
r_cons_printf (core->cons, "# managed string literals (count=%zu)\n", count);
r_cons_printf (core->cons, "# idx\tdata_off\tlen\ttext\n");
}
for (size_t i = 0; i < count; i++) {
ut8 *bytes = NULL;
size_t len = 0;
ut32 data_off = meta->stringLiteralDataOffset + lits[i].dataIndex;
ut64 data_off = (ut64)meta->stringLiteralDataOffset + lits[i].dataIndex;
if (!r2unity_read_string_literal (meta, &lits[i], &bytes, &len)) {
if (mode != 'j') {
r_cons_printf (core->cons, "%zu\t0x%x\t%u\t<invalid>\n", i, data_off, lits[i].length);
if (mode != 'j' && mode != '+') {
r_cons_printf (core->cons, "%zu\t0x%" PFMT64x "\t%u\t<invalid>\n", i, data_off, lits[i].length);
}
continue;
}
if (mode == 'j') {
if (mode == '+') {
char flag[64];
snprintf (flag, sizeof (flag), "str.unity.%zu", i);
ut64 addr = base + data_off;
r_flag_set (core->flags, flag, addr, len);
if (len && len <= INT_MAX) {
char *text = r_str_ndup ((const char *)bytes, (int)len);
if (text) {
r_meta_set_with_subtype (core->anal, R_META_TYPE_STRING,
R_STRING_ENC_UTF8, addr, len, text);
free (text);
}
}
} else if (mode == 'j') {
pj_o (pj);
pj_kn (pj, "idx", (ut64)i);
pj_kn (pj, "data_off", (ut64)data_off);
@@ -1067,7 +1134,7 @@ static int cmd_strings(RCore *core, char mode) {
} else {
char *text = r_str_ndup ((const char *)bytes, (int)len);
char *escaped = text? r_str_escape (text): NULL;
r_cons_printf (core->cons, "%zu\t0x%x\t%u\t\"%s\"\n", i, data_off, lits[i].length, escaped? escaped: "");
r_cons_printf (core->cons, "%zu\t0x%" PFMT64x "\t%u\t\"%s\"\n", i, data_off, lits[i].length, escaped? escaped: "");
free (escaped);
free (text);
}