rizin/librz/core/cmd/cmd_search.c

// SPDX-FileCopyrightText: 2010-2021 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only

#include <rz_util/ht_uu.h>
#include <rz_asm.h>
#include <rz_core.h>
#include <rz_io.h>
#include <rz_list.h>
#include <rz_util/rz_regex.h>
#include <rz_types_base.h>
#include "../core_private.h"

#include "cmd_search_rop.c"

#define USE_EMULATION 0

#define AES_SEARCH_LENGTH         40
#define PRIVATE_KEY_SEARCH_LENGTH 11

static const char *help_msg_search_esil[] = {
	"/E", " [esil-expr]", "search offsets matching a specific esil expression",
	"/Ej", " [esil-expr]", "same as above but using the given magic file",
	"/E?", " ", "show this help",
	"\nExamples:", "", "",
	"", "/E $$,0x100001060,-,!", "hit when address is 0x100001060",
	NULL
};

static const char *help_msg_slash_m[] = {
	"/m", "", "search for known magic patterns",
	"/m", " [file]", "same as above but using the given magic file",
	"/mb", "", "search recognized RzBin headers",
	NULL
};

static const char *help_msg_slash[] = {
	"Usage:", "/[!bf] [arg]", "Search stuff (see 'e??search' for options)\n"
				  "|Use io.va for searching in non virtual addressing spaces",
	"/", " foo\\x00", "search for string 'foo\\0'",
	"/j", " foo\\x00", "search for string 'foo\\0' (json output)",
	"/!", " ff", "search for first occurrence not matching, command modifier",
	"/!x", " 00", "inverse hexa search (find first byte != 0x00)",
	"/+", " /bin/sh", "construct the string with chunks",
	"//", "", "repeat last search",
	"/a", "[?][1aoditfmsltf] jmp eax", "assemble opcode and search its bytes",
	"/b", "", "search backwards, command modifier, followed by other command",
	"/c", "[?][adr]", "search for crypto materials",
	"/d", " 101112", "search for a deltified sequence of bytes",
	"/e", " /E.F/i", "match regular expression",
	"/E", " esil-expr", "offset matching given esil expressions $$ = here",
	"/f", "", "search forwards, (command modifier)",
	"/F", " file [off] [sz]", "search contents of file with offset and size",
	// TODO: add subcommands to find paths between functions and filter only function names instead of offsets, etc
	"/g", "[g] [from]", "find all graph paths A to B (/gg follow jumps, see search.count and analysis.depth)",
	"/h", "[t] [hash] [len]", "find block matching this hash. See ph",
	"/i", " foo", "search for string 'foo' ignoring case",
	"/m", "[?][ebm] magicfile", "search for magic, filesystems or binary headers",
	"/o", " [n]", "show offset of n instructions backward",
	"/O", " [n]", "same as /o, but with a different fallback if analysis cannot be used",
	"/p", " patternsize", "search for pattern of given size",
	"/P", " patternsize", "search similar blocks",
	"/s", "[*] [threshold]", "find sections by grouping blocks with similar entropy",
	"/r[rwx]", "[?] sym.printf", "analyze opcode reference an offset",
	"/R", " [grepopcode]", "search for matching ROP gadgets, semicolon-separated",
	// moved into /as "/s", "", "search for all syscalls in a region (EXPERIMENTAL)",
	"/v", "[1248] value", "look for an `cfg.bigendian` 32bit value",
	"/V", "[1248] min max", "look for an `cfg.bigendian` 32bit value in range",
	"/w", " foo", "search for wide string 'f\\0o\\0o\\0'",
	"/wi", " foo", "search for wide string ignoring case 'f\\0o\\0o\\0'",
	"/x", " ff..33", "search for hex string ignoring some nibbles",
	"/x", " ff0033", "search for hex string",
	"/x", " ff43:ffd0", "search for hexpair with mask",
	"/z", " min max", "search for strings of given size",
	"/*", " [comment string]", "add multiline comment, end it with '*/'",
#if 0
	"\nConfiguration:", "", " (type `e??search.` for a complete list)",
	"e", " cmd.hit = x", "command to execute on every search hit",
	"e", " search.in = ?", "specify where to search stuff (depends on .from/.to)",
	"e", " search.align = 4", "only catch aligned search hits",
	"e", " search.from = 0", "start address",
	"e", " search.to = 0", "end address",
	"e", " search.flags = true", "if enabled store flags on keyword hits",
#endif
	NULL
};

static const char *help_msg_slash_a[] = {
	"Usage:", "/a[?] [arg]", "Search for assembly instructions matching given properties",
	"/a", " push rbp", "Assemble given instruction and search the bytes",
	"/a1", " [number]", "Find valid assembly generated by changing only the nth byte",
	"/aI", "", "Search for infinite loop instructions (jmp $$)",
	"/aa", " mov eax", "Linearly find aproximated assembly (case insensitive strstr)",
	"/ac", " mov eax", "Same as /aa, but case-sensitive",
	"/ad", "[/*j] push;mov", "Match ins1 followed by ins2 in linear disasm",
	"/ad/", " ins1;ins2", "Search for regex instruction 'ins1' followed by regex 'ins2'",
	"/ad/a", " instr", "Search for every byte instruction that matches regexp 'instr'",
	"/ae", " esil", "Search for esil expressions matching substring",
	"/af", "[l] family", "Search for instruction of specific family (afl=list",
	"/ai", "[j] 0x300 [0x500]", "Find all the instructions using that immediate (in range)",
	"/al", "", "Same as aoml, list all opcodes",
	"/am", " opcode", "Search for specific instructions of specific mnemonic",
	"/ao", " instr", "Search for instruction 'instr' (in all offsets)",
	"/as", "[l] ([type])", "Search for syscalls (See /at swi and /af priv)",
	"/at", "[l] ([type])", "Search for instructions of given type",
	NULL
};

static const char *help_msg_slash_c[] = {
	"Usage: /c", "", "Search for crypto materials",
	"/ca", "", "Search for AES keys expanded in memory",
	"/cc", "[algo] [digest]", "Find collisions (bruteforce block length values until given checksum is found)",
	"/cd", "", "Search for ASN1/DER certificates",
	"/cr", "", "Search for ASN1/DER private keys (RSA and ECC)",
	NULL
};

static const char *help_msg_slash_r[] = {
	"Usage:", "/r[acerwx] [address]", " search references to this specific address",
	"/r", " [addr]", "search references to this specific address",
	"/ra", "", "search all references",
	"/rc", "", "search for call references",
	"/rr", "", "Find read references",
	"/rw", "", "Find write references",
	"/rx", "", "Find exec references",
	NULL
};

static const char *help_msg_slash_R[] = {
	"Usage: /R", "", "Search for ROP gadgets",
	"/R", " [filter-by-string]", "Show gadgets",
	"/R/", " [filter-by-regexp]", "Show gadgets [regular expression]",
	"/R/j", " [filter-by-regexp]", "JSON output [regular expression]",
	"/R/q", " [filter-by-regexp]", "Show gadgets in a quiet manner [regular expression]",
	"/Rj", " [filter-by-string]", "JSON output",
	"/Rk", " [select-by-class]", "Query stored ROP gadgets",
	"/Rq", " [filter-by-string]", "Show gadgets in a quiet manner",
	NULL
};

static const char *help_msg_slash_Rk[] = {
	"Usage: /Rk", "", "Query stored ROP gadgets",
	"/Rk", " [nop|mov|const|arithm|arithm_ct]", "Show gadgets",
	"/Rkj", "", "JSON output",
	"/Rkq", "", "List Gadgets offsets",
	NULL
};

static const char *help_msg_slash_x[] = {
	"Usage:", "/x [hexpairs]:[binmask]", "Search in memory",
	"/x ", "9090cd80", "search for those bytes",
	"/x ", "9090cd80:ffff7ff0", "search with binary mask",
	NULL
};

static int preludecnt = 0;
static int searchflags = 0;
static int searchshow = 0;
static const char *searchprefix = NULL;

struct search_parameters {
	RzCore *core;
	RzList /*<RzIOMap *>*/ *boundaries;
	const char *mode;
	const char *cmd_hit;
	PJ *pj;
	int outmode; // 0 or RZ_MODE_RIZINCMD or RZ_MODE_JSON
	bool inverse;
	bool aes_search;
	bool privkey_search;
};

struct endlist_pair {
	int instr_offset;
	int delay_size;
};

static int search_hash(RzCore *core, const char *hashname, const char *hashstr, ut32 minlen, ut32 maxlen, struct search_parameters *param) {
	RzIOMap *map;
	ut8 *buf;
	int i, j;
	RzListIter *iter;

	if (!minlen || minlen == UT32_MAX) {
		minlen = core->blocksize;
	}
	if (!maxlen || maxlen == UT32_MAX) {
		maxlen = minlen;
	}

	rz_cons_break_push(NULL, NULL);
	for (j = minlen; j <= maxlen; j++) {
		ut32 len = j;
		eprintf("Searching %s for %d byte length.\n", hashname, j);
		rz_list_foreach (param->boundaries, iter, map) {
			if (rz_cons_is_breaked()) {
				break;
			}
			ut64 from = map->itv.addr, to = rz_itv_end(map->itv);
			st64 bufsz;
			bufsz = to - from;
			if (len > bufsz) {
				RZ_LOG_ERROR("core: Hash length is bigger than range 0x%" PFMT64x "\n", from);
				continue;
			}
			buf = malloc(bufsz);
			if (!buf) {
				RZ_LOG_ERROR("core: Cannot allocate %" PFMT64d " bytes\n", bufsz);
				goto fail;
			}
			eprintf("Search in range 0x%08" PFMT64x " and 0x%08" PFMT64x "\n", from, to);
			int blocks = (int)(to - from - len);
			eprintf("Carving %d blocks...\n", blocks);
			(void)rz_io_read_at(core->io, from, buf, bufsz);
			for (i = 0; (from + i + len) < to; i++) {
				if (rz_cons_is_breaked()) {
					break;
				}
				char *s = rz_hash_cfg_calculate_small_block_string(core->hash, hashname, buf + i, len, NULL, false);
				if (!s) {
					RZ_LOG_ERROR("core: Hash fail\n");
					break;
				}
				if (!(i % 5)) {
					eprintf("%d\r", i);
				}
				// eprintf ("0x%08"PFMT64x" %s\n", from+i, s);
				if (!strcmp(s, hashstr)) {
					eprintf("Found at 0x%" PFMT64x "\n", from + i);
					rz_cons_printf("f hash.%s.%s @ 0x%" PFMT64x "\n",
						hashname, hashstr, from + i);
					free(s);
					free(buf);
					rz_cons_break_pop();
					return 1;
				}
				free(s);
			}
			free(buf);
		}
	}
	rz_cons_break_pop();
	eprintf("No hashes found\n");
	return 0;
fail:
	rz_cons_break_pop();
	return -1;
}

static void cmd_search_bin(RzCore *core, RzInterval itv) {
	ut64 from = itv.addr, to = rz_itv_end(itv);
	int size; // , sz = sizeof (buf);

	int fd = core->file->fd;
	RzBuffer *b = rz_buf_new_with_io_fd(&core->analysis->iob, fd);
	rz_cons_break_push(NULL, NULL);
	while (from < to) {
		if (rz_cons_is_breaked()) {
			break;
		}
		RzBuffer *ref = rz_buf_new_slice(b, from, to);
		RzBinPlugin *plug = rz_bin_get_binplugin_by_buffer(core->bin, ref);
		if (plug) {
			rz_cons_printf("0x%08" PFMT64x "  %s\n", from, plug->name);
			if (plug->size) {
				RzBinOptions opt = {
					.pluginname = plug->name,
					.obj_opts = { 0 },
					.sz = 4096,
					.xtr_idx = 0,
					.fd = fd,
				};
				rz_bin_open_io(core->bin, &opt);
				size = plug->size(core->bin->cur);
				if (size > 0) {
					rz_cons_printf("size %d\n", size);
				}
			}
		}
		rz_buf_free(ref);
		from++;
	}
	rz_buf_free(b);
	rz_cons_break_pop();
}

static int __prelude_cb_hit(RzSearchKeyword *kw, void *user, ut64 addr) {
	RzCore *core = (RzCore *)user;
	int depth = rz_config_get_i(core->config, "analysis.depth");
	// eprintf ("ap: Found function prelude %d at 0x%08"PFMT64x"\n", preludecnt, addr);
	rz_core_analysis_fcn(core, addr, -1, RZ_ANALYSIS_XREF_TYPE_NULL, depth);
	preludecnt++;
	return 1;
}

RZ_API int rz_core_search_prelude(RzCore *core, ut64 from, ut64 to, const ut8 *buf, int blen, const ut8 *mask, int mlen) {
	ut64 at;
	ut8 *b = (ut8 *)malloc(core->blocksize);
	if (!b) {
		return 0;
	}
	// TODO: handle sections ?
	if (from >= to) {
		RZ_LOG_ERROR("core: Invalid search range 0x%08" PFMT64x " - 0x%08" PFMT64x "\n", from, to);
		free(b);
		return 0;
	}
	rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
	rz_search_kw_add(core->search, rz_search_keyword_new(buf, blen, mask, mlen, NULL));
	rz_search_begin(core->search);
	rz_search_set_callback(core->search, &__prelude_cb_hit, core);
	preludecnt = 0;
	for (at = from; at < to; at += core->blocksize) {
		if (rz_cons_is_breaked()) {
			break;
		}
		if (!rz_io_is_valid_offset(core->io, at, 0)) {
			break;
		}
		(void)rz_io_read_at(core->io, at, b, core->blocksize);
		if (rz_search_update(core->search, at, b, core->blocksize) == -1) {
			RZ_LOG_ERROR("core: update read error at 0x%08" PFMT64x "\n", at);
			break;
		}
	}
	// rz_search_reset might also benifet from having an if(s->data) RZ_FREE(s->data), but im not sure.
	// add a commit that puts it in there to this PR if it wouldn't break anything. (don't have to worry about this happening again, since all searches start by resetting core->search)
	// For now we will just use rz_search_kw_reset
	rz_search_kw_reset(core->search);
	free(b);
	return preludecnt;
}

RZ_API int rz_core_search_preludes(RzCore *core, bool log) {
	int ret = -1;
	ut64 from = UT64_MAX;
	ut64 to = UT64_MAX;
	int keyword_length = 0;
	ut8 *keyword = NULL;
	const char *prelude = rz_config_get(core->config, "analysis.prelude");
	const char *where = rz_config_get(core->config, "analysis.in");
	ut64 limit = rz_config_get_i(core->config, "analysis.prelude.limit");

	RzList *list = rz_core_get_boundaries_prot(core, RZ_PERM_X, where, "search");
	RzList *arch_preludes = NULL;
	RzListIter *iter = NULL, *iter2 = NULL;
	RzIOMap *p = NULL;
	RzSearchKeyword *kw = NULL;

	if (!list) {
		return -1;
	}

	if (RZ_STR_ISNOTEMPTY(prelude)) {
		keyword = malloc(strlen(prelude) + 1);
		if (!keyword) {
			RZ_LOG_ERROR("aap: cannot allocate 'analysis.prelude' buffer\n");
			rz_list_free(list);
			return -1;
		}
		keyword_length = rz_hex_str2bin(prelude, keyword);
	} else {
		arch_preludes = rz_analysis_preludes(core->analysis);
		if (!arch_preludes) {
			rz_list_free(list);
			return -1;
		}
	}

	rz_list_foreach (list, iter, p) {
		if (!(p->perm & RZ_PERM_X)) {
			continue;
		}
		from = p->itv.addr;
		to = rz_itv_end(p->itv);
		if ((to - from) >= limit) {
			RZ_LOG_WARN("aap: search interval (from 0x%" PFMT64x
				    " to 0x%" PFMT64x ") exeeds analysis.prelude.limit (0x%" PFMT64x "), skipping it.\n",
				from, to, limit);
			continue;
		}
		if (keyword && keyword_length > 0) {
			ret = rz_core_search_prelude(core, from, to, keyword, keyword_length, NULL, 0);
		} else {
			rz_list_foreach (arch_preludes, iter2, kw) {
				ret = rz_core_search_prelude(core, from, to,
					kw->bin_keyword, kw->keyword_length,
					kw->bin_binmask, kw->binmask_length);
			}
		}
	}
	free(keyword);
	rz_list_free(list);
	rz_list_free(arch_preludes);
	return ret;
}

/* TODO: maybe move into util/str */
static char *getstring(char *b, int l) {
	char *r, *res = malloc(l + 1);
	int i;
	if (!res) {
		return NULL;
	}
	for (i = 0, r = res; i < l; b++, i++) {
		if (IS_PRINTABLE(*b)) {
			*r++ = *b;
		}
	}
	*r = 0;
	return res;
}

static int _cb_hit(RzSearchKeyword *kw, void *user, ut64 addr) {
	struct search_parameters *param = user;
	RzCore *core = param->core;
	const RzSearch *search = core->search;
	ut64 base_addr = 0;
	bool use_color = core->print->flags & RZ_PRINT_FLAGS_COLOR;
	int keyword_len = kw ? kw->keyword_length + (search->mode == RZ_SEARCH_DELTAKEY) : 0;
	char tmpbuf[128];

	if (searchshow && kw && kw->keyword_length > 0) {
		int len, i, extra, mallocsize;
		char *s = NULL, *str = NULL, *p = NULL;
		extra = (param->outmode == RZ_MODE_JSON) ? 3 : 1;
		const char *type = "hexpair";
		ut8 *buf = malloc(keyword_len);
		if (!buf) {
			return 0;
		}
		switch (kw->type) {
		case RZ_SEARCH_KEYWORD_TYPE_STRING: {
			const int ctx = 16;
			const int prectx = addr > 16 ? ctx : addr;
			char *pre, *pos, *wrd;
			const int len = keyword_len;
			char *buf = calloc(1, len + 32 + ctx * 2);
			type = "string";
			rz_io_read_at(core->io, addr - prectx, (ut8 *)buf, len + (ctx * 2));
			pre = getstring(buf, prectx);
			pos = getstring(buf + prectx + len, ctx);
			if (!pos) {
				pos = strdup("");
			}
			if (param->outmode == RZ_MODE_JSON) {
				wrd = getstring(buf + prectx, len);
				s = rz_str_newf("%s%s%s", pre, wrd, pos);
			} else {
				wrd = rz_str_utf16_encode(buf + prectx, len);
				s = rz_str_newf(use_color ? ".%s" Color_YELLOW "%s" Color_RESET "%s."
							  : "\"%s%s%s\"",
					pre, wrd, pos);
			}
			free(buf);
			free(pre);
			free(wrd);
			free(pos);
		}
			free(p);
			break;
		default:
			len = keyword_len; // 8 byte context
			mallocsize = (len * 2) + extra;
			str = (len > 0xffff) ? NULL : malloc(mallocsize);
			if (str) {
				p = str;
				memset(str, 0, len);
				rz_io_read_at(core->io, base_addr + addr, buf, keyword_len);
				if (param->outmode == RZ_MODE_JSON) {
					p = str;
				}
				const int bytes = (len > 40) ? 40 : len;
				for (i = 0; i < bytes; i++) {
					sprintf(p, "%02x", buf[i]);
					p += 2;
				}
				if (bytes != len) {
					strcpy(p, "...");
					p += 3;
				}
				*p = 0;
			} else {
				RZ_LOG_ERROR("core: Cannot allocate %d\n", mallocsize);
			}
			s = str;
			str = NULL;
			break;
		}

		if (param->outmode == RZ_MODE_JSON) {
			pj_o(param->pj);
			pj_kn(param->pj, "offset", base_addr + addr);
			pj_ks(param->pj, "type", type);
			pj_ks(param->pj, "data", s);
			pj_end(param->pj);
		} else {
			rz_cons_printf("0x%08" PFMT64x " %s%d_%d %s\n",
				base_addr + addr, searchprefix, kw->kwidx, kw->count, s);
		}
		free(s);
		free(buf);
		free(str);
	} else if (kw) {
		if (param->outmode == RZ_MODE_JSON) {
			pj_o(param->pj);
			pj_kn(param->pj, "offset", base_addr + addr);
			pj_ki(param->pj, "len", keyword_len);
			pj_end(param->pj);
		} else {
			if (searchflags) {
				rz_cons_printf("%s%d_%d\n", searchprefix, kw->kwidx, kw->count);
			} else {
				rz_cons_printf("f %s%d_%d %d @ 0x%08" PFMT64x "\n", searchprefix,
					kw->kwidx, kw->count, keyword_len, base_addr + addr);
			}
		}
	}
	if (searchflags && kw) {
		const char *flag = rz_strf(tmpbuf, "%s%d_%d", searchprefix, kw->kwidx, kw->count);
		rz_flag_set(core->flags, flag, base_addr + addr, keyword_len);
	}
	if (*param->cmd_hit) {
		ut64 here = core->offset;
		rz_core_seek(core, base_addr + addr, true);
		rz_core_cmd(core, param->cmd_hit, 0);
		rz_core_seek(core, here, true);
	}
	return true;
}

static int c = 0;

static inline void print_search_progress(ut64 at, ut64 to, int n, struct search_parameters *param) {
	if ((++c % 64) || (param->outmode == RZ_MODE_JSON)) {
		return;
	}
	if (rz_cons_singleton()->columns < 50) {
		eprintf("\r[  ]  0x%08" PFMT64x "  hits = %d   \r%s",
			at, n, (c % 2) ? "[ #]" : "[# ]");
	} else {
		eprintf("\r[  ]  0x%08" PFMT64x " < 0x%08" PFMT64x "  hits = %d   \r%s",
			at, to, n, (c % 2) ? "[ #]" : "[# ]");
	}
}

static void append_bound(RzList /*<RzIOMap *>*/ *list, RzIO *io, RzInterval search_itv, ut64 from, ut64 size, int perms) {
	RzIOMap *map = RZ_NEW0(RzIOMap);
	if (!map) {
		return;
	}
	if (io && io->desc) {
		map->fd = rz_io_fd_get_current(io);
	}

	map->perm = perms;
	RzInterval itv = { from, size };
	if (size == -1) {
		RZ_LOG_ERROR("core: Invalid range. Use different search.in=? or analysis.in=dbg.maps.x\n");
		free(map);
		return;
	}
	// TODO UT64_MAX is a valid address. search.from and search.to are not specified
	if (search_itv.addr == UT64_MAX && !search_itv.size) {
		map->itv = itv;
		rz_list_append(list, map);
	} else if (rz_itv_overlap(itv, search_itv)) {
		map->itv = rz_itv_intersect(itv, search_itv);
		if (map->itv.size) {
			rz_list_append(list, map);
		} else {
			free(map);
		}
	} else {
		free(map);
	}
}

static bool maskMatches(int perm, int mask, bool only) {
	if (mask) {
		if (only) {
			return ((perm & 7) != mask);
		}
		return (perm & mask) != mask;
	}
	return false;
}

RZ_API RZ_OWN RzList /*<RzIOMap *>*/ *rz_core_get_boundaries_prot(RzCore *core, int perm, const char *mode, const char *prefix) {
	rz_return_val_if_fail(core, NULL);

	RzList *list = rz_list_newf(free); // XXX rz_io_map_free);
	if (!list) {
		return NULL;
	}

	char bound_in[32];
	char bound_from[32];
	char bound_to[32];
	snprintf(bound_in, sizeof(bound_in), "%s.%s", prefix, "in");
	snprintf(bound_from, sizeof(bound_from), "%s.%s", prefix, "from");
	snprintf(bound_to, sizeof(bound_to), "%s.%s", prefix, "to");
	const ut64 search_from = rz_config_get_i(core->config, bound_from),
		   search_to = rz_config_get_i(core->config, bound_to);
	const RzInterval search_itv = { search_from, search_to - search_from };
	if (!mode) {
		mode = rz_config_get(core->config, bound_in);
	}
	if (!rz_config_get_b(core->config, "cfg.debug") && !core->io->va) {
		append_bound(list, core->io, search_itv, 0, rz_io_size(core->io), 7);
	} else if (!strcmp(mode, "file")) {
		append_bound(list, core->io, search_itv, 0, rz_io_size(core->io), 7);
	} else if (!strcmp(mode, "block")) {
		append_bound(list, core->io, search_itv, core->offset, core->blocksize, 7);
	} else if (!strcmp(mode, "io.map")) {
		RzIOMap *m = rz_io_map_get(core->io, core->offset);
		if (m) {
			append_bound(list, core->io, search_itv, m->itv.addr, m->itv.size, m->perm);
		}
	} else if (!strcmp(mode, "io.maps")) { // Non-overlapping RzIOMap parts not overridden by others (skyline)
		ut64 begin = UT64_MAX;
		ut64 end = UT64_MAX;
#define USE_SKYLINE 0
#if USE_SKYLINE
		const RzPVector *skyline = &core->io->map_skyline;
		size_t i;
		for (i = 0; i < rz_pvector_len(skyline); i++) {
			const RzIOMapSkyline *part = rz_pvector_at(skyline, i);
			ut64 from = rz_itv_begin(part->itv);
			ut64 to = rz_itv_end(part->itv);
			// XXX skyline's fake map perms are wrong
			RzIOMap *m = rz_io_map_get(core->io, from);
			int rwx = m ? m->perm : part->map->perm;
#else
		void **it;
		RzPVector *maps = rz_io_maps(core->io);
		rz_pvector_foreach (maps, it) {
			RzIOMap *map = *it;
			ut64 from = rz_itv_begin(map->itv);
			ut64 to = rz_itv_end(map->itv);
			int rwx = map->perm;
#endif
			// eprintf ("--------- %llx %llx    (%llx %llx)\n", from, to, begin, end);
			if (begin == UT64_MAX) {
				begin = from;
			}
			if (end == UT64_MAX) {
				end = to;
			} else {
				if (end == from) {
					end = to;
				} else {
					append_bound(list, NULL, search_itv,
						begin, end - begin, rwx);
					begin = from;
					end = to;
				}
			}
		}
		if (end != UT64_MAX) {
			append_bound(list, NULL, search_itv, begin, end - begin, 7);
		}
	} else if (rz_str_startswith(mode, "io.maps.")) {
		int len = strlen("io.maps.");
		int mask = (mode[len - 1] == '.') ? rz_str_rwx(mode + len) : 0;
		// bool only = (bool)(size_t)strstr (mode, ".only");

		void **it;
		RzPVector *maps = rz_io_maps(core->io);
		rz_pvector_foreach (maps, it) {
			RzIOMap *map = *it;
			ut64 from = rz_itv_begin(map->itv);
			// ut64 to = rz_itv_end (map->itv);
			int rwx = map->perm;
			if ((rwx & mask) != mask) {
				continue;
			}
			append_bound(list, core->io, search_itv, from, rz_itv_size(map->itv), rwx);
		}
	} else if (rz_str_startswith(mode, "io.sky.")) {
		int len = strlen("io.sky.");
		int mask = (mode[len - 1] == '.') ? rz_str_rwx(mode + len) : 0;
		bool only = (bool)(size_t)strstr(mode, ".only");
		RzVector *skyline = &core->io->map_skyline.v;
		ut64 begin = UT64_MAX;
		ut64 end = UT64_MAX;
		size_t i;
		for (i = 0; i < rz_vector_len(skyline); i++) {
			const RzSkylineItem *part = rz_vector_index_ptr(skyline, i);
			ut64 from = part->itv.addr;
			ut64 to = part->itv.addr + part->itv.size;
			int perm = ((RzIOMap *)part->user)->perm;
			if (maskMatches(perm, mask, only)) {
				continue;
			}
			// eprintf ("--------- %llx %llx    (%llx %llx)\n", from, to, begin, end);
			if (begin == UT64_MAX) {
				begin = from;
			}
			if (end == UT64_MAX) {
				end = to;
			} else {
				if (end == from) {
					end = to;
				} else {
					// eprintf ("[%llx - %llx]\n", begin, end);
					append_bound(list, NULL, search_itv, begin, end - begin, perm);
					begin = from;
					end = to;
				}
			}
		}
		if (end != UT64_MAX) {
			append_bound(list, NULL, search_itv, begin, end - begin, 7);
		}
	} else if (rz_str_startswith(mode, "bin.segments")) {
		int len = strlen("bin.segments.");
		int mask = (mode[len - 1] == '.') ? rz_str_rwx(mode + len) : 0;
		bool only = (bool)(size_t)strstr(mode, ".only");
		RzBinObject *obj = rz_bin_cur_object(core->bin);
		if (obj) {
			RzBinSection *s;
			void **iter;
			rz_pvector_foreach (obj->sections, iter) {
				s = *iter;
				if (!s->is_segment) {
					continue;
				}
				if (maskMatches(s->perm, mask, only)) {
					continue;
				}
				ut64 addr = core->io->va ? s->vaddr : s->paddr;
				ut64 size = core->io->va ? s->vsize : s->size;
				append_bound(list, core->io, search_itv, addr, size, s->perm);
			}
		}
	} else if (rz_str_startswith(mode, "code")) {
		RzBinObject *obj = rz_bin_cur_object(core->bin);
		if (obj) {
			ut64 from = UT64_MAX;
			ut64 to = 0;
			RzBinSection *s;
			void **iter;
			rz_pvector_foreach (obj->sections, iter) {
				s = *iter;
				if (s->is_segment) {
					continue;
				}
				if (maskMatches(s->perm, 1, false)) {
					continue;
				}
				ut64 addr = core->io->va ? s->vaddr : s->paddr;
				ut64 size = core->io->va ? s->vsize : s->size;
				from = RZ_MIN(addr, from);
				to = RZ_MAX(to, addr + size);
			}
			if (from == UT64_MAX) {
				int mask = 1;
				void **it;
				RzPVector *maps = rz_io_maps(core->io);
				rz_pvector_foreach (maps, it) {
					RzIOMap *map = *it;
					ut64 from = rz_itv_begin(map->itv);
					ut64 size = rz_itv_size(map->itv);
					int rwx = map->perm;
					if ((rwx & mask) != mask) {
						continue;
					}
					append_bound(list, core->io, search_itv, from, size, rwx);
				}
			}
			append_bound(list, core->io, search_itv, from, to - from, 1);
		}
	} else if (rz_str_startswith(mode, "bin.sections")) {
		int len = strlen("bin.sections.");
		int mask = (mode[len - 1] == '.') ? rz_str_rwx(mode + len) : 0;
		bool only = (bool)(size_t)strstr(mode, ".only");
		RzBinObject *obj = rz_bin_cur_object(core->bin);
		if (obj) {
			RzBinSection *s;
			void **iter;
			rz_pvector_foreach (obj->sections, iter) {
				s = *iter;
				if (s->is_segment) {
					continue;
				}
				if (maskMatches(s->perm, mask, only)) {
					continue;
				}
				ut64 addr = core->io->va ? s->vaddr : s->paddr;
				ut64 size = core->io->va ? s->vsize : s->size;
				append_bound(list, core->io, search_itv, addr, size, s->perm);
			}
		}
	} else if (!strcmp(mode, "bin.segment")) {
		RzBinObject *obj = rz_bin_cur_object(core->bin);
		if (obj) {
			RzBinSection *s;
			void **iter;
			rz_pvector_foreach (obj->sections, iter) {
				s = *iter;
				if (!s->is_segment) {
					continue;
				}
				ut64 addr = core->io->va ? s->vaddr : s->paddr;
				ut64 size = core->io->va ? s->vsize : s->size;
				if (RZ_BETWEEN(addr, core->offset, addr + size)) {
					append_bound(list, core->io, search_itv, addr, size, s->perm);
				}
			}
		}
	} else if (!strcmp(mode, "bin.section")) {
		RzBinObject *obj = rz_bin_cur_object(core->bin);
		if (obj) {
			RzBinSection *s;
			void **iter;
			rz_pvector_foreach (obj->sections, iter) {
				s = *iter;
				if (s->is_segment) {
					continue;
				}
				ut64 addr = core->io->va ? s->vaddr : s->paddr;
				ut64 size = core->io->va ? s->vsize : s->size;
				if (RZ_BETWEEN(addr, core->offset, addr + size)) {
					append_bound(list, core->io, search_itv, addr, size, s->perm);
				}
			}
		}
	} else if (!strcmp(mode, "analysis.fcn") || !strcmp(mode, "analysis.bb")) {
		RzAnalysisFunction *f = rz_analysis_get_fcn_in(core->analysis, core->offset,
			RZ_ANALYSIS_FCN_TYPE_FCN | RZ_ANALYSIS_FCN_TYPE_SYM);
		if (f) {
			ut64 from = f->addr, size = rz_analysis_function_size_from_entry(f);

			/* Search only inside the basic block */
			if (!strcmp(mode, "analysis.bb")) {
				RzListIter *iter;
				RzAnalysisBlock *bb;

				rz_list_foreach (f->bbs, iter, bb) {
					ut64 at = core->offset;
					if ((at >= bb->addr) && (at < (bb->addr + bb->size))) {
						from = bb->addr;
						size = bb->size;
						break;
					}
				}
			}
			append_bound(list, core->io, search_itv, from, size, 5);
		} else {
			RZ_LOG_WARN("core: search.in = ( analysis.bb | analysis.fcn )"
				    "requires to seek into a valid function\n");
			append_bound(list, core->io, search_itv, core->offset, 1, 5);
		}
	} else if (!strncmp(mode, "dbg.", 4)) {
		if (core->bin->is_debugger) {
			int mask = 0;
			int add = 0;
			bool heap = false;
			bool stack = false;
			bool all = false;
			bool first = false;
			RzListIter *iter;
			RzDebugMap *map;

			rz_debug_map_sync(core->dbg);

			if (!strcmp(mode, "dbg.map")) {
				int perm = 0;
				ut64 from = core->offset;
				ut64 to = core->offset;
				rz_list_foreach (core->dbg->maps, iter, map) {
					if (from >= map->addr && from < map->addr_end) {
						from = map->addr;
						to = map->addr_end;
						perm = map->perm;
						break;
					}
				}
				if (perm) {
					RzIOMap *nmap = RZ_NEW0(RzIOMap);
					if (nmap) {
						// nmap->fd = core->io->desc->fd;
						nmap->itv.addr = from;
						nmap->itv.size = to - from;
						nmap->perm = perm;
						nmap->delta = 0;
						rz_list_append(list, nmap);
					}
				}
			} else {
				bool only = false;
				mask = 0;
				if (!strcmp(mode, "dbg.program")) {
					first = true;
					mask = RZ_PERM_X;
				} else if (!strcmp(mode, "dbg.maps")) {
					all = true;
				} else if (rz_str_startswith(mode, "dbg.maps.")) {
					mask = rz_str_rwx(mode + 9);
					only = (bool)(size_t)strstr(mode, ".only");
				} else if (!strcmp(mode, "dbg.heap")) {
					heap = true;
				} else if (!strcmp(mode, "dbg.stack")) {
					stack = true;
				}

				ut64 from = UT64_MAX;
				ut64 to = 0;
				rz_list_foreach (core->dbg->maps, iter, map) {
					if (!all && maskMatches(map->perm, mask, only)) {
						continue;
					}
					add = (stack && strstr(map->name, "stack")) ? 1 : 0;
					if (!add && (heap && (map->perm & RZ_PERM_W)) && strstr(map->name, "heap")) {
						add = 1;
					}
					if ((mask && (map->perm & mask)) || add || all) {
						if (!list) {
							list = rz_list_newf(free);
						}
						RzIOMap *nmap = RZ_NEW0(RzIOMap);
						if (!nmap) {
							break;
						}
						nmap->itv.addr = map->addr;
						nmap->itv.size = map->addr_end - map->addr;
						if (nmap->itv.addr) {
							from = RZ_MIN(from, nmap->itv.addr);
							to = RZ_MAX(to - 1, rz_itv_end(nmap->itv) - 1) + 1;
						}
						nmap->perm = map->perm;
						nmap->delta = 0;
						rz_list_append(list, nmap);
						if (first) {
							break;
						}
					}
				}
			}
		}
	} else {
		/* obey temporary seek if defined '/x 8080 @ addr:len' */
		if (core->tmpseek) {
			append_bound(list, core->io, search_itv, core->offset, core->blocksize, 5);
		} else {
			// TODO: repeat last search doesnt works for /a
			ut64 from = rz_config_get_i(core->config, bound_from);
			if (from == UT64_MAX) {
				from = core->offset;
			}
			ut64 to = rz_config_get_i(core->config, bound_to);
			if (to == UT64_MAX) {
				if (core->io->va) {
					/* TODO: section size? */
				} else {
					if (core->file) {
						to = rz_io_fd_size(core->io, core->file->fd);
					}
				}
			}
			append_bound(list, core->io, search_itv, from, to - from, 5);
		}
	}
	return list;
}

static bool is_end_gadget(const RzAnalysisOp *aop, const ut8 crop) {
	if (aop->family == RZ_ANALYSIS_OP_FAMILY_SECURITY) {
		return false;
	}
	switch (aop->type) {
	case RZ_ANALYSIS_OP_TYPE_TRAP:
	case RZ_ANALYSIS_OP_TYPE_RET:
	case RZ_ANALYSIS_OP_TYPE_UCALL:
	case RZ_ANALYSIS_OP_TYPE_RCALL:
	case RZ_ANALYSIS_OP_TYPE_ICALL:
	case RZ_ANALYSIS_OP_TYPE_IRCALL:
	case RZ_ANALYSIS_OP_TYPE_UJMP:
	case RZ_ANALYSIS_OP_TYPE_RJMP:
	case RZ_ANALYSIS_OP_TYPE_IJMP:
	case RZ_ANALYSIS_OP_TYPE_IRJMP:
	case RZ_ANALYSIS_OP_TYPE_JMP:
	case RZ_ANALYSIS_OP_TYPE_CALL:
		return true;
	}
	if (crop) { // if conditional jumps, calls and returns should be used for the gadget-search too
		switch (aop->type) {
		case RZ_ANALYSIS_OP_TYPE_CJMP:
		case RZ_ANALYSIS_OP_TYPE_UCJMP:
		case RZ_ANALYSIS_OP_TYPE_CCALL:
		case RZ_ANALYSIS_OP_TYPE_UCCALL:
		case RZ_ANALYSIS_OP_TYPE_CRET:
			return true;
		}
	}
	return false;
}

static bool insert_into(void *user, const ut64 k, const ut64 v) {
	HtUU *ht = (HtUU *)user;
	ht_uu_insert(ht, k, v);
	return true;
}

// TODO: follow unconditional jumps
static RzList /*<RzCoreAsmHit *>*/ *construct_rop_gadget(RzCore *core, ut64 addr, ut8 *buf, int buflen, int idx, const char *grep, int regex, RzList /*<char *>*/ *rx_list, struct endlist_pair *end_gadget, HtUU *badstart) {
	int endaddr = end_gadget->instr_offset;
	int branch_delay = end_gadget->delay_size;
	RzAnalysisOp aop = { 0 };
	const char *start = NULL, *end = NULL;
	char *grep_str = NULL;
	RzCoreAsmHit *hit = NULL;
	RzList *hitlist = rz_core_asm_hit_list_new();
	ut8 nb_instr = 0;
	const ut8 max_instr = rz_config_get_i(core->config, "rop.len");
	bool valid = false;
	int grep_find;
	int search_hit;
	char *rx = NULL;
	HtUUOptions opt = { 0 };
	HtUU *localbadstart = ht_uu_new_opt(&opt);
	int count = 0;

	if (grep) {
		start = grep;
		end = strchr(grep, ';');
		if (!end) { // We filter on a single opcode, so no ";"
			end = start + strlen(grep);
		}
		grep_str = calloc(1, end - start + 1);
		strncpy(grep_str, start, end - start);
		if (regex) {
			// get the first regexp.
			if (rz_list_length(rx_list) > 0) {
				rx = rz_list_get_n(rx_list, count++);
			}
		}
	}

	bool found;
	ht_uu_find(badstart, idx, &found);
	if (found) {
		valid = false;
		goto ret;
	}
	while (nb_instr < max_instr) {
		ht_uu_insert(localbadstart, idx, 1);

		int error = rz_analysis_op(core->analysis, &aop, addr, buf + idx, buflen - idx, RZ_ANALYSIS_OP_MASK_DISASM);
		if (error < 0 || (nb_instr == 0 && (is_end_gadget(&aop, 0) || aop.type == RZ_ANALYSIS_OP_TYPE_NOP))) {
			valid = false;
			goto ret;
		}

		const int opsz = aop.size;
		// opsz = rz_strbuf_length (asmop.buf);
		char *opst = aop.mnemonic;
		if (!opst) {
			RZ_LOG_WARN("Analysis plugin %s did not return disassembly\n", core->analysis->cur->name);
			RzAsmOp asmop;
			rz_asm_set_pc(core->rasm, addr);
			if (rz_asm_disassemble(core->rasm, &asmop, buf + idx, buflen - idx) < 0) {
				valid = false;
				goto ret;
			}
			opst = strdup(rz_asm_op_get_asm(&asmop));
			rz_asm_op_fini(&asmop);
		}
		if (!rz_str_ncasecmp(opst, "invalid", strlen("invalid")) ||
			!rz_str_ncasecmp(opst, ".byte", strlen(".byte"))) {
			valid = false;
			goto ret;
		}

		hit = rz_core_asm_hit_new();
		if (hit) {
			hit->addr = addr;
			hit->len = opsz;
			rz_list_append(hitlist, hit);
		}

		// Move on to the next instruction
		idx += opsz;
		addr += opsz;
		if (rx) {
			grep_find = rz_regex_contains(rx, opst, RZ_REGEX_ZERO_TERMINATED, RZ_REGEX_EXTENDED, RZ_REGEX_DEFAULT);
			search_hit = (end && grep && grep_find);
		} else {
			search_hit = (end && grep && strstr(opst, grep_str));
		}

		// Handle (possible) grep
		if (search_hit) {
			if (end[0] == ';') { // fields are semicolon-separated
				start = end + 1; // skip the ;
				end = strchr(start, ';');
				end = end ? end : start + strlen(start); // latest field?
				free(grep_str);
				grep_str = calloc(1, end - start + 1);
				if (grep_str) {
					strncpy(grep_str, start, end - start);
				}
			} else {
				end = NULL;
			}
			if (regex) {
				rx = rz_list_get_n(rx_list, count++);
			}
		}
		if (endaddr <= (idx - opsz)) {
			valid = (endaddr == idx - opsz);
			goto ret;
		}
		rz_analysis_op_fini(&aop);
		nb_instr++;
	}
ret:
	rz_analysis_op_fini(&aop);
	free(grep_str);
	if (regex && rx) {
		rz_list_free(hitlist);
		ht_uu_free(localbadstart);
		return NULL;
	}
	if (!valid || (grep && end)) {
		rz_list_free(hitlist);
		ht_uu_free(localbadstart);
		return NULL;
	}
	ht_uu_foreach(localbadstart, insert_into, badstart);
	ht_uu_free(localbadstart);
	// If our arch has bds then we better be including them
	if (branch_delay && rz_list_length(hitlist) < (1 + branch_delay)) {
		rz_list_free(hitlist);
		return NULL;
	}
	return hitlist;
}

static void print_rop(RzCore *core, RzList /*<RzCoreAsmHit *>*/ *hitlist, PJ *pj, int mode) {
	RzCoreAsmHit *hit = NULL;
	RzListIter *iter;
	RzList *ropList = NULL;
	unsigned int size = 0;
	RzAnalysisOp aop = RZ_EMPTY;
	RzAsmOp asmop;
	Sdb *db = NULL;
	const bool colorize = rz_config_get_i(core->config, "scr.color");
	const bool rop_comments = rz_config_get_i(core->config, "rop.comments");
	const bool esil = rz_config_get_i(core->config, "asm.esil");
	const bool rop_db = rz_config_get_i(core->config, "rop.db");
	char tmpbuf[16];

	if (rop_db) {
		db = sdb_ns(core->sdb, "rop", true);
		ropList = rz_list_newf(free);
		if (!db) {
			RZ_LOG_ERROR("core: Could not create SDB 'rop' namespace\n");
			rz_list_free(ropList);
			return;
		}
	}

	switch (mode) {
	case 'j':
		pj_o(pj);
		pj_ka(pj, "opcodes");
		rz_list_foreach (hitlist, iter, hit) {
			ut8 *buf = malloc(hit->len);
			if (!buf) {
				return;
			}
			rz_io_read_at(core->io, hit->addr, buf, hit->len);
			rz_asm_set_pc(core->rasm, hit->addr);
			rz_asm_disassemble(core->rasm, &asmop, buf, hit->len);
			rz_analysis_op(core->analysis, &aop, hit->addr, buf, hit->len, RZ_ANALYSIS_OP_MASK_ESIL);
			size += hit->len;
			if (aop.type != RZ_ANALYSIS_OP_TYPE_RET) {
				char *opstr_n = rz_str_newf(" %s", RZ_STRBUF_SAFEGET(&aop.esil));
				rz_list_append(ropList, (void *)opstr_n);
			}
			pj_o(pj);
			pj_kn(pj, "offset", hit->addr);
			pj_ki(pj, "size", hit->len);
			pj_ks(pj, "opcode", rz_asm_op_get_asm(&asmop));
			pj_ks(pj, "type", rz_analysis_optype_to_string(aop.type));
			pj_end(pj);
			free(buf);
			rz_analysis_op_fini(&aop);
		}
		pj_end(pj);
		if (db && hit) {
			const ut64 addr = ((RzCoreAsmHit *)rz_list_get_head_data(hitlist))->addr;
			// rz_cons_printf ("Gadget size: %d\n", (int)size);
			const char *key = rz_strf(tmpbuf, "0x%08" PFMT64x, addr);
			rop_classify(core, db, ropList, key, size);
		}
		if (hit) {
			pj_kn(pj, "retaddr", hit->addr);
			pj_ki(pj, "size", size);
		}
		pj_end(pj);
		break;
	case 'q':
		// Print gadgets in a 'linear manner', each sequence
		// on one line.
		rz_cons_printf("0x%08" PFMT64x ":",
			((RzCoreAsmHit *)rz_list_get_head_data(hitlist))->addr);
		rz_list_foreach (hitlist, iter, hit) {
			ut8 *buf = malloc(hit->len);
			rz_io_read_at(core->io, hit->addr, buf, hit->len);
			rz_asm_set_pc(core->rasm, hit->addr);
			rz_asm_disassemble(core->rasm, &asmop, buf, hit->len);
			rz_analysis_op(core->analysis, &aop, hit->addr, buf, hit->len, RZ_ANALYSIS_OP_MASK_BASIC);
			size += hit->len;
			const char *opstr = RZ_STRBUF_SAFEGET(&aop.esil);
			if (aop.type != RZ_ANALYSIS_OP_TYPE_RET) {
				rz_list_append(ropList, rz_str_newf(" %s", opstr));
			}
			if (esil) {
				rz_cons_printf("%s\n", opstr);
			} else if (colorize) {
				RzStrBuf *colored_asm, *bw_str = rz_strbuf_new(rz_asm_op_get_asm(&asmop));
				colored_asm = rz_asm_colorize_asm_str(bw_str, core->print, rz_asm_get_parse_param(core->analysis->reg, aop.type), asmop.asm_toks);
				rz_cons_printf(" %s%s;", colored_asm ? rz_strbuf_get(colored_asm) : "", Color_RESET);
				rz_strbuf_free(colored_asm);
			} else {
				rz_cons_printf(" %s;", rz_asm_op_get_asm(&asmop));
			}
			free(buf);
			rz_analysis_op_fini(&aop);
		}
		if (db && hit) {
			const ut64 addr = ((RzCoreAsmHit *)rz_list_get_head_data(hitlist))->addr;
			// rz_cons_printf ("Gadget size: %d\n", (int)size);
			const char *key = rz_strf(tmpbuf, "0x%08" PFMT64x, addr);
			rop_classify(core, db, ropList, key, size);
		}
		break;
	default:
		// Print gadgets with new instruction on a new line.
		rz_list_foreach (hitlist, iter, hit) {
			const char *comment = rop_comments ? rz_meta_get_string(core->analysis, RZ_META_TYPE_COMMENT, hit->addr) : NULL;
			if (hit->len < 0) {
				RZ_LOG_ERROR("core: Invalid hit length here\n");
				continue;
			}
			ut8 *buf = malloc(1 + hit->len);
			if (!buf) {
				break;
			}
			buf[hit->len] = 0;
			rz_io_read_at(core->io, hit->addr, buf, hit->len);
			rz_asm_set_pc(core->rasm, hit->addr);
			rz_asm_disassemble(core->rasm, &asmop, buf, hit->len);
			rz_analysis_op(core->analysis, &aop, hit->addr, buf, hit->len, RZ_ANALYSIS_OP_MASK_ESIL);
			size += hit->len;
			if (aop.type != RZ_ANALYSIS_OP_TYPE_RET) {
				char *opstr_n = rz_str_newf(" %s", RZ_STRBUF_SAFEGET(&aop.esil));
				rz_list_append(ropList, (void *)opstr_n);
			}
			char *asm_op_hex = rz_asm_op_get_hex(&asmop);
			if (colorize) {
				RzStrBuf *colored_asm, *bw_str = rz_strbuf_new(rz_asm_op_get_asm(&asmop));
				colored_asm = rz_asm_colorize_asm_str(bw_str, core->print, rz_asm_get_parse_param(core->analysis->reg, aop.type), asmop.asm_toks);
				if (comment) {
					rz_cons_printf("  0x%08" PFMT64x " %18s  %s%s ; %s\n",
						hit->addr, asm_op_hex, colored_asm ? rz_strbuf_get(colored_asm) : "", Color_RESET, comment);
				} else {
					rz_cons_printf("  0x%08" PFMT64x " %18s  %s%s\n",
						hit->addr, asm_op_hex, colored_asm ? rz_strbuf_get(colored_asm) : "", Color_RESET);
				}
				rz_strbuf_free(colored_asm);
			} else {
				if (comment) {
					rz_cons_printf("  0x%08" PFMT64x " %18s  %s ; %s\n",
						hit->addr, asm_op_hex, rz_asm_op_get_asm(&asmop), comment);
				} else {
					rz_cons_printf("  0x%08" PFMT64x " %18s  %s\n",
						hit->addr, asm_op_hex, rz_asm_op_get_asm(&asmop));
				}
			}
			free(asm_op_hex);
			free(buf);
			rz_analysis_op_fini(&aop);
		}
		if (db && hit) {
			const ut64 addr = ((RzCoreAsmHit *)rz_list_get_head_data(hitlist))->addr;
			// rz_cons_printf ("Gadget size: %d\n", (int)size);
			const char *key = rz_strf(tmpbuf, "0x%08" PFMT64x, addr);
			rop_classify(core, db, ropList, key, size);
		}
	}
	if (mode != 'j') {
		rz_cons_newline();
	}
	rz_list_free(ropList);
}

static int rz_core_search_rop(RzCore *core, RzInterval search_itv, int opt, const char *grep, int regexp, struct search_parameters *param) {
	const ut8 crop = rz_config_get_i(core->config, "rop.conditional"); // decide if cjmp, cret, and ccall should be used too for the gadget-search
	const ut8 subchain = rz_config_get_i(core->config, "rop.subchains");
	const ut8 max_instr = rz_config_get_i(core->config, "rop.len");
	const char *arch = rz_config_get(core->config, "asm.arch");
	int max_count = rz_config_get_i(core->config, "search.maxhits");
	int i = 0, end = 0, mode = 0, increment = 1, ret, result = true;
	RzList /*<endlist_pair>*/ *end_list = rz_list_newf(free);
	RzList /*<char *>*/ *rx_list = NULL;
	int align = core->search->align;
	RzListIter *itermap = NULL;
	char *tok, *gregexp = NULL;
	char *grep_arg = NULL;
	char *rx = NULL;
	int delta = 0;
	ut8 *buf;
	RzIOMap *map;
	RzAsmOp asmop;

	Sdb *gadgetSdb = NULL;
	if (rz_config_get_i(core->config, "rop.sdb")) {
		if (!(gadgetSdb = sdb_ns(core->sdb, "gadget_sdb", false))) {
			gadgetSdb = sdb_ns(core->sdb, "gadget_sdb", true);
		}
	}
	if (max_count == 0) {
		max_count = -1;
	}
	if (max_instr <= 1) {
		rz_list_free(end_list);
		RZ_LOG_ERROR("core: ROP length (rop.len) must be greater than 1.\n");
		if (max_instr == 1) {
			RZ_LOG_ERROR("core: For rop.len = 1, use /c to search for single "
				     "instructions. See /c? for help.\n");
		}
		return false;
	}

	if (!strcmp(arch, "mips")) { // MIPS has no jump-in-the-middle
		increment = 4;
	} else if (!strcmp(arch, "arm")) { // ARM has no jump-in-the-middle
		increment = rz_config_get_i(core->config, "asm.bits") == 16 ? 2 : 4;
	} else if (!strcmp(arch, "avr")) { // AVR is halfword aligned.
		increment = 2;
	}

	// Options, like JSON, linear, ...
	grep_arg = strchr(grep, ' ');
	if (*grep) {
		if (grep_arg) {
			mode = *(grep_arg - 1);
		} else {
			mode = *grep;
			++grep;
		}
	}
	if (grep_arg) {
		grep_arg = strdup(grep_arg);
		grep_arg = rz_str_replace(grep_arg, ",,", ";", true);
		grep = grep_arg;
	}

	if (*grep == ' ') { // grep mode
		for (++grep; *grep == ' '; grep++) {
			;
		}
	} else {
		grep = NULL;
	}

	// Deal with the grep guy.
	if (grep && regexp) {
		if (!rx_list) {
			rx_list = rz_list_newf(free);
		}
		gregexp = strdup(grep);
		tok = strtok(gregexp, ";");
		while (tok) {
			rx = strdup(tok);
			rz_list_append(rx_list, rx);
			tok = strtok(NULL, ";");
		}
	}
	if (param->outmode == RZ_MODE_JSON) {
		pj_a(param->pj);
	}
	rz_cons_break_push(NULL, NULL);

	rz_list_foreach (param->boundaries, itermap, map) {
		HtUUOptions opt = { 0 };
		HtUU *badstart = ht_uu_new_opt(&opt);
		if (!rz_itv_overlap(search_itv, map->itv)) {
			continue;
		}
		RzInterval itv = rz_itv_intersect(search_itv, map->itv);
		ut64 from = itv.addr, to = rz_itv_end(itv);
		if (rz_cons_is_breaked()) {
			break;
		}
		delta = to - from;
		buf = calloc(1, delta);
		if (!buf) {
			result = false;
			goto bad;
		}
		(void)rz_io_read_at(core->io, from, buf, delta);

		// Find the end gadgets.
		for (i = 0; i + 32 < delta; i += increment) {
			RzAnalysisOp end_gadget = RZ_EMPTY;
			// Disassemble one.
			if (rz_analysis_op(core->analysis, &end_gadget, from + i, buf + i,
				    delta - i, RZ_ANALYSIS_OP_MASK_BASIC) < 1) {
				rz_analysis_op_fini(&end_gadget);
				continue;
			}
			if (is_end_gadget(&end_gadget, crop)) {
#if 0
				if (search->maxhits && rz_list_length (end_list) >= search->maxhits) {
					// limit number of high level rop gadget results
					rz_analysis_op_fini (&end_gadget);
					break;
				}
#endif
				struct endlist_pair *epair = RZ_NEW0(struct endlist_pair);
				if (epair) {
					// If this arch has branch delay slots, add the next instr as well
					if (end_gadget.delay) {
						epair->instr_offset = i + increment;
						epair->delay_size = end_gadget.delay;
					} else {
						epair->instr_offset = (intptr_t)i;
						epair->delay_size = end_gadget.delay;
					}
					rz_list_append(end_list, (void *)(intptr_t)epair);
				}
			}
			rz_analysis_op_fini(&end_gadget);
			if (rz_cons_is_breaked()) {
				break;
			}
			// Right now we have a list of all of the end/stop gadgets.
			// We can just construct gadgets from a little bit before them.
		}
		rz_list_reverse(end_list);
		// If we have no end gadgets, just skip all of this search nonsense.
		if (!rz_list_empty(end_list)) {
			int prev, next, ropdepth;
			const int max_inst_size_x86 = 15;
			// Get the depth of rop search, should just be max_instr
			// instructions, x86 and friends are weird length instructions, so
			// we'll just assume 15 byte instructions.
			ropdepth = increment == 1 ? max_instr * max_inst_size_x86 /* wow, x86 is long */ : max_instr * increment;
			if (rz_cons_is_breaked()) {
				break;
			}
			struct endlist_pair *end_gadget = (struct endlist_pair *)rz_list_pop(end_list);
			next = end_gadget->instr_offset;
			prev = 0;
			// Start at just before the first end gadget.
			for (i = next - ropdepth; i < (delta - max_inst_size_x86) && max_count; i += increment) {
				if (increment == 1) {
					// give in-boundary instructions a shot
					if (i < prev - max_inst_size_x86) {
						i = prev - max_inst_size_x86;
					}
				} else {
					if (i < prev) {
						i = prev;
					}
				}
				if (i < 0) {
					i = 0;
				}
				if (rz_cons_is_breaked()) {
					break;
				}
				if (i >= next) {
					// We've exhausted the first end-gadget section,
					// move to the next one.
					free(end_gadget);
					if (rz_list_get_n(end_list, 0)) {
						prev = i;
						end_gadget = (struct endlist_pair *)rz_list_pop(end_list);
						next = end_gadget->instr_offset;
						i = next - ropdepth;
						if (i < 0) {
							i = 0;
						}
					} else {
						break;
					}
				}
				if (i >= end) { // read by chunk of 4k
					rz_io_read_at(core->io, from + i, buf + i,
						RZ_MIN((delta - i), 4096));
					end = i + 2048;
				}
				ret = rz_asm_disassemble(core->rasm, &asmop, buf + i, delta - i);
				if (ret) {
					rz_asm_set_pc(core->rasm, from + i);
					RzList *hitlist = construct_rop_gadget(core,
						from + i, buf, delta, i, grep, regexp,
						rx_list, end_gadget, badstart);
					if (!hitlist) {
						continue;
					}
					if (align && (0 != ((from + i) % align))) {
						continue;
					}
					if (gadgetSdb) {
						RzListIter *iter;

						RzCoreAsmHit *hit = (RzCoreAsmHit *)rz_list_get_head_data(hitlist);
						char *headAddr = rz_str_newf("%" PFMT64x, hit->addr);
						if (!headAddr) {
							result = false;
							goto bad;
						}

						rz_list_foreach (hitlist, iter, hit) {
							char *addr = rz_str_newf("%" PFMT64x "(%" PFMT32d ")", hit->addr, hit->len);
							if (!addr) {
								free(headAddr);
								result = false;
								goto bad;
							}
							sdb_concat(gadgetSdb, headAddr, addr, 0);
							free(addr);
						}
						free(headAddr);
					}

					if (param->outmode == RZ_MODE_JSON) {
						mode = 'j';
					}
					if ((mode == 'q') && subchain) {
						do {
							print_rop(core, hitlist, NULL, mode);
							hitlist->head = hitlist->head->next;
						} while (hitlist->head->next);
					} else {
						print_rop(core, hitlist, param->pj, mode);
					}
					rz_list_free(hitlist);
					if (max_count > 0) {
						max_count--;
						if (max_count < 1) {
							break;
						}
					}
				}
				if (increment != 1) {
					i = next;
				}
			}
		}
		free(buf);
	}
	if (rz_cons_is_breaked()) {
		eprintf("\n");
	}

	if (param->outmode == RZ_MODE_JSON) {
		pj_end(param->pj);
	}
bad:
	rz_cons_break_pop();
	rz_list_free(rx_list);
	rz_list_free(end_list);
	free(grep_arg);
	free(gregexp);
	return result;
}

static bool esil_addrinfo(RzAnalysisEsil *esil) {
	RzCore *core = (RzCore *)esil->cb.user;
	ut64 num = 0;
	char *src = rz_analysis_esil_pop(esil);
	if (src && *src && rz_analysis_esil_get_parm(esil, src, &num)) {
		num = rz_core_analysis_address(core, num);
		rz_analysis_esil_pushnum(esil, num);
	} else {
		// error. empty stack?
		return false;
	}
	free(src);
	return true;
}

static void do_esil_search(RzCore *core, struct search_parameters *param, const char *input) {
	const int hit_combo_limit = rz_config_get_i(core->config, "search.esilcombo");
	const bool cfgDebug = rz_config_get_b(core->config, "cfg.debug");
	RzSearch *search = core->search;
	RzSearchKeyword kw = RZ_EMPTY;
	if (input[0] != 'E') {
		return;
	}
	if (input[1] == 'j') { // "/Ej"
		pj_a(param->pj);
		param->outmode = RZ_MODE_JSON;
		input++;
	}
	if (input[1] != ' ') { // "/E?"
		rz_core_cmd_help(core, help_msg_search_esil);
		return;
	}
	if (!core->analysis->esil) {
		// initialize esil vm
		rz_core_analysis_esil_reinit(core);
		if (!core->analysis->esil) {
			RZ_LOG_ERROR("core: Cannot initialize the ESIL vm\n");
			return;
		}
	}
	RzIOMap *map;
	RzListIter *iter;
	rz_list_foreach (param->boundaries, iter, map) {
		const int iotrap = rz_config_get_i(core->config, "esil.iotrap");
		const int stacksize = rz_config_get_i(core->config, "esil.stacksize");
		int nonull = rz_config_get_i(core->config, "esil.nonull");
		bool hit_happens = false;
		size_t hit_combo = 0;
		char *res;
		ut64 nres, addr;
		ut64 from = map->itv.addr;
		ut64 to = rz_itv_end(map->itv);
		unsigned int addrsize = rz_config_get_i(core->config, "esil.addr.size");
		if (!core->analysis->esil) {
			core->analysis->esil = rz_analysis_esil_new(stacksize, iotrap, addrsize);
		}
		/* hook addrinfo */
		core->analysis->esil->cb.user = core;
		rz_analysis_esil_set_op(core->analysis->esil, "AddrInfo", esil_addrinfo, 1, 1, RZ_ANALYSIS_ESIL_OP_TYPE_UNKNOWN);
		/* hook addrinfo */
		rz_analysis_esil_setup(core->analysis->esil, core->analysis, 1, 0, nonull);
		rz_analysis_esil_stack_free(core->analysis->esil);
		core->analysis->esil->verbose = 0;

		rz_cons_break_push(NULL, NULL);
		for (addr = from; addr < to; addr++) {
			if (core->search->align) {
				if ((addr % core->search->align)) {
					continue;
				}
			}
#if 0
			// we need a way to retrieve info from a speicif address, and make it accessible from the esil search
			// maybe we can just do it like this: 0x804840,AddressType,3,&, ... bitmask
			// executable = 1
			// writable = 2
			// inprogram
			// instack
			// inlibrary
			// inheap
			rz_analysis_esil_set_op (core->analysis->esil, "AddressInfo", esil_search_address_info);
#endif
			if (rz_cons_is_breaked()) {
				RZ_LOG_WARN("core: Breaked at 0x%08" PFMT64x "\n", addr);
				break;
			}
			rz_analysis_esil_set_pc(core->analysis->esil, addr);
			if (!rz_analysis_esil_parse(core->analysis->esil, input + 2)) {
				// XXX: return value doesnt seems to be correct here
				RZ_LOG_ERROR("core: Cannot parse esil (%s)\n", input + 2);
				break;
			}
			hit_happens = false;
			res = rz_analysis_esil_pop(core->analysis->esil);
			if (rz_analysis_esil_get_parm(core->analysis->esil, res, &nres)) {
				if (cfgDebug) {
					eprintf("RES 0x%08" PFMT64x " %" PFMT64d "\n", addr, nres);
				}
				if (nres) {
					eprintf("hits: %d\r", kw.count);
					hit_happens = true;
					if (param->outmode != RZ_MODE_JSON) {
						if (!_cb_hit(&kw, param, addr)) {
							free(res);
							break;
						}
						// eprintf (" HIT AT 0x%"PFMT64x"\n", addr);
						kw.type = 0; // RZ_SEARCH_TYPE_ESIL;
						kw.kwidx = search->n_kws;
						kw.count++;
						kw.keyword_length = 0;
					}
				}
			} else {
				RZ_LOG_ERROR("core: Cannot parse esil (%s)\n", input + 2);
				rz_analysis_esil_stack_free(core->analysis->esil);
				free(res);
				break;
			}
			rz_analysis_esil_stack_free(core->analysis->esil);
			free(res);

			if (hit_happens) {
				if (param->outmode == RZ_MODE_JSON) {
					pj_o(param->pj);
					pj_kn(param->pj, "addr", addr);
					pj_kn(param->pj, "value", nres);
					pj_end(param->pj);
				}
				hit_combo++;
				if (hit_combo > hit_combo_limit) {
					RZ_LOG_WARN("core: Hit search.esilcombo reached (%d). Stopping search. Use f-\n", hit_combo_limit);
					break;
				}
			} else {
				hit_combo = 0;
			}
		}
		rz_config_set_i(core->config, "search.kwidx", search->n_kws); // TODO remove
		rz_cons_break_pop();
	}
	rz_cons_clear_line(1);
	if (param->outmode == RZ_MODE_JSON) {
		pj_end(param->pj);
	}
}

#define MAXINSTR 8
#define SUMARRAY(arr, size, res) \
	do \
		(res) += (arr)[--(size)]; \
	while ((size))

#if USE_EMULATION
// IMHO This code must be deleted
static int emulateSyscallPrelude(RzCore *core, ut64 at, ut64 curpc) {
	int i, inslen, bsize = RZ_MIN(64, core->blocksize);
	ut8 *arr;
	RzAnalysisOp aop;
	const int mininstrsz = rz_analysis_archinfo(core->analysis, RZ_ANALYSIS_ARCHINFO_MIN_OP_SIZE);
	const int minopcode = RZ_MAX(1, mininstrsz);
	const char *a0 = rz_reg_get_name(core->analysis->reg, RZ_REG_NAME_SN);
	const char *pc = rz_reg_get_name(core->dbg->reg, RZ_REG_NAME_PC);
	RzRegItem *r = rz_reg_get(core->dbg->reg, pc, -1);
	RzRegItem *reg_a0 = rz_reg_get(core->dbg->reg, a0, -1);

	arr = malloc(bsize);
	if (!arr) {
		RZ_LOG_ERROR("core: Cannot allocate %d byte(s)\n", bsize);
		free(arr);
		return -1;
	}
	rz_reg_set_value(core->dbg->reg, r, curpc);
	for (i = 0; curpc < at; curpc++, i++) {
		if (i >= (bsize - 32)) {
			i = 0;
		}
		if (!i) {
			rz_io_read_at(core->io, curpc, arr, bsize);
		}
		inslen = rz_analysis_op(core->analysis, &aop, curpc, arr + i, bsize - i, RZ_ANALYSIS_OP_MASK_BASIC);
		if (inslen > 0) {
			int incr = (core->search->align > 0) ? core->search->align - 1 : inslen - 1;
			if (incr < 0) {
				incr = minopcode;
			}
			i += incr;
			curpc += incr;
			if (rz_analysis_op_nonlinear(aop.type)) { // skip the instr
				rz_reg_set_value(core->dbg->reg, r, curpc + 1);
			} else { // step instr
				rz_core_esil_step(core, UT64_MAX, NULL, NULL);
			}
		}
	}
	free(arr);
	int sysno = rz_debug_reg_get(core->dbg, a0);
	rz_reg_set_value(core->dbg->reg, reg_a0, -2); // clearing register A0
	return sysno;
}
#endif

static void do_syscall_search(RzCore *core, struct search_parameters *param) {
	RzSearch *search = core->search;
	ut64 at;
#if USE_EMULATION
	ut64 curpc;
#endif
	ut8 *buf;
	int curpos, idx = 0, count = 0;
	RzAnalysisOp aop = { 0 };
	int i, ret, bsize = RZ_MAX(64, core->blocksize);
	int kwidx = core->search->n_kws;
	RzIOMap *map;
	RzListIter *iter;
	const int mininstrsz = rz_analysis_archinfo(core->analysis, RZ_ANALYSIS_ARCHINFO_MIN_OP_SIZE);
	const int minopcode = RZ_MAX(1, mininstrsz);
	RzAnalysisEsil *esil;
	int align = core->search->align;
	int stacksize = rz_config_get_i(core->config, "esil.stack.depth");
	int iotrap = rz_config_get_i(core->config, "esil.iotrap");
	unsigned int addrsize = rz_config_get_i(core->config, "esil.addr.size");

	if (!(esil = rz_analysis_esil_new(stacksize, iotrap, addrsize))) {
		return;
	}
	int *previnstr = calloc(MAXINSTR + 1, sizeof(int));
	if (!previnstr) {
		rz_analysis_esil_free(esil);
		return;
	}
	buf = malloc(bsize);
	if (!buf) {
		RZ_LOG_ERROR("core: Cannot allocate %d byte(s)\n", bsize);
		rz_analysis_esil_free(esil);
		free(previnstr);
		return;
	}
	ut64 oldoff = core->offset;
	int syscallNumber = 0;
	rz_cons_break_push(NULL, NULL);
	const char *a0 = rz_reg_get_name(core->analysis->reg, RZ_REG_NAME_SN);
	char *esp = rz_str_newf("%s,=", a0);
	char *esp32 = NULL;
	if (core->analysis->bits == 64) {
		const char *reg = rz_reg_64_to_32(core->analysis->reg, a0);
		if (reg) {
			esp32 = rz_str_newf("%s,=", reg);
		}
	}
	rz_list_foreach (param->boundaries, iter, map) {
		ut64 from = map->itv.addr;
		ut64 to = rz_itv_end(map->itv);
		if (from >= to) {
			RZ_LOG_ERROR("core: `from` value must be lower than `to` value\n");
			goto beach;
		}
		if (to == UT64_MAX) {
			RZ_LOG_ERROR("core: Invalid destination boundary\n");
			goto beach;
		}
		for (i = 0, at = from; at < to; at++, i++) {
			if (rz_cons_is_breaked()) {
				break;
			}
			if (i >= (bsize - 32)) {
				i = 0;
			}
			if (align && (at % align)) {
				continue;
			}
			if (!i) {
				rz_io_read_at(core->io, at, buf, bsize);
			}
			ret = rz_analysis_op(core->analysis, &aop, at, buf + i, bsize - i, RZ_ANALYSIS_OP_MASK_ESIL);
			curpos = idx++ % (MAXINSTR + 1);
			previnstr[curpos] = ret; // This array holds prev n instr size + cur instr size
			if (aop.type == RZ_ANALYSIS_OP_TYPE_MOV) {
				const char *es = RZ_STRBUF_SAFEGET(&aop.esil);
				if (strstr(es, esp)) {
					if (aop.val != -1) {
						syscallNumber = aop.val;
					}
				} else if (esp32 && strstr(es, esp32)) {
					if (aop.val != -1) {
						syscallNumber = aop.val;
					}
				}
			}
			if ((aop.type == RZ_ANALYSIS_OP_TYPE_SWI) && ret) { // && (aop.val > 10)) {
				int scVector = -1; // int 0x80, svc 0x70, ...
				int scNumber = 0; // r0/eax/...
#if USE_EMULATION
				// This for calculating no of bytes to be subtracted , to get n instr above syscall
				int nbytes = 0;
				int nb_opcodes = MAXINSTR;
				SUMARRAY(previnstr, nb_opcodes, nbytes);
				curpc = at - (nbytes - previnstr[curpos]);
				scNumber = emulateSyscallPrelude(core, at, curpc);
#else
				scNumber = syscallNumber;
#endif
				scVector = (aop.val > 0) ? aop.val : -1; // int 0x80 (aop.val = 0x80)
				RzSyscallItem *item = rz_syscall_get(core->analysis->syscall, scNumber, scVector);
				if (item) {
					rz_cons_printf("0x%08" PFMT64x " %s\n", at, item->name);
				}
				memset(previnstr, 0, (MAXINSTR + 1) * sizeof(*previnstr)); // clearing the buffer
				if (searchflags) {
					char *flag = rz_str_newf("%s%d_%d.%s", searchprefix, kwidx, count, item ? item->name : "syscall");
					rz_flag_set(core->flags, flag, at, ret);
					free(flag);
				}
				rz_syscall_item_free(item);
				if (*param->cmd_hit) {
					ut64 here = core->offset;
					rz_core_seek(core, at, true);
					rz_core_cmd(core, param->cmd_hit, 0);
					rz_core_seek(core, here, true);
				}
				count++;
				if (search->maxhits > 0 && count >= search->maxhits) {
					rz_analysis_op_fini(&aop);
					break;
				}
				syscallNumber = 0;
			}
			int inc = (core->search->align > 0) ? core->search->align - 1 : ret - 1;
			if (inc < 0) {
				inc = minopcode;
			}
			i += inc;
			at += inc;
			rz_analysis_op_fini(&aop);
		}
	}
beach:
	rz_core_seek(core, oldoff, true);
	rz_analysis_esil_free(esil);
	rz_cons_break_pop();
	free(buf);
	free(esp32);
	free(esp);
	free(previnstr);
}

static void do_ref_search(RzCore *core, ut64 addr, ut64 from, ut64 to, struct search_parameters *param) {
	const int size = 12;
	char str[512];
	RzAnalysisFunction *fcn;
	RzAnalysisXRef *xref;
	RzListIter *iter;
	ut8 buf[12];
	RzAsmOp asmop;
	RzList *list = rz_analysis_xrefs_get_to(core->analysis, addr);
	if (list) {
		rz_list_foreach (list, iter, xref) {
			rz_io_read_at(core->io, xref->from, buf, size);
			rz_asm_set_pc(core->rasm, xref->from);
			rz_asm_disassemble(core->rasm, &asmop, buf, size);
			fcn = rz_analysis_get_fcn_in(core->analysis, xref->from, 0);
			RzAnalysisHint *hint = rz_analysis_hint_get(core->analysis, xref->from);
			rz_parse_filter(core->parser, xref->from, core->flags, hint, rz_strbuf_get(&asmop.buf_asm),
				str, sizeof(str), core->print->big_endian);
			rz_analysis_hint_free(hint);
			const char *comment = rz_meta_get_string(core->analysis, RZ_META_TYPE_COMMENT, xref->from);
			char *print_comment = NULL;
			const char *nl = comment ? strchr(comment, '\n') : NULL;
			if (nl) { // display only until the first newline
				comment = print_comment = rz_str_ndup(comment, nl - comment);
			}
			char *buf_fcn = comment
				? rz_str_newf("%s; %s", fcn ? fcn->name : "(nofunc)", comment)
				: rz_str_newf("%s", fcn ? fcn->name : "(nofunc)");
			free(print_comment);
			if (from <= xref->from && to >= xref->from) {
				rz_cons_printf("%s 0x%" PFMT64x " [%s] %s\n",
					buf_fcn, xref->from, rz_analysis_xrefs_type_tostring(xref->type), str);
				if (*param->cmd_hit) {
					ut64 here = core->offset;
					rz_core_seek(core, xref->from, true);
					rz_core_cmd(core, param->cmd_hit, 0);
					rz_core_seek(core, here, true);
				}
			}
			free(buf_fcn);
		}
	}
	rz_list_free(list);
}

static bool do_analysis_search(RzCore *core, struct search_parameters *param, const char *input) {
	RzSearch *search = core->search;
	ut64 at;
	RzAnalysisOp aop;
	int type = 0;
	int mode = 0;
	int kwidx = core->search->n_kws;
	int i, ret, count = 0;

	while (*input && *input != ' ') {
		switch (*input) {
		case 'j':
		case 'q':
			mode = *input;
			break;
		case 'l': // "/alt" "/alf"
			switch (type) {
			case 't': // "/alt"
			case 'f': // "/alf"
				for (i = 0; i < 64; i++) {
					const char *str = type == 'f'
						? rz_analysis_op_family_to_string(i)
						: rz_analysis_optype_to_string(i);
					if (!str || !*str) {
						break;
					}
					if (!strcmp(str, "undefined")) {
						continue;
					}
					rz_cons_println(str);
				}
				break;
			case 's': { // "/als"
				RzListIter *iter;
				RzSyscallItem *si;
				RzList *list = rz_syscall_list(core->analysis->syscall);
				rz_list_foreach (list, iter, si) {
					if (si->num > SYSCALL_HEX_LIMIT) {
						rz_cons_printf("%s = 0x%02x.%x\n", si->name, si->swi, si->num);
					} else {
						rz_cons_printf("%s = 0x%02x.%d\n", si->name, si->swi, si->num);
					}
				}
				rz_list_free(list);
				break;
			}
			case 0:
				rz_core_cmd0(core, "aoml");
				break;
			default:
				RZ_LOG_ERROR("/al%c - unknown command\n", type);
				break;
			}
			return false;
		case 'f': // "/af"
		case 's': // "/as"
		case 't': // "/at"
		case 'm': // "/am"
		case ' ':
			type = *input;
			break;
		case 0:
		case '?':
		default:
			rz_core_cmd_help(core, help_msg_slash_a);
			return false;
		}
		input++;
	}
	if (type == 's') {
		rz_warn_if_reached();
		return true;
	}
	if (mode == 'j') {
		pj_a(param->pj);
	}
	input = rz_str_trim_head_ro(input);
	rz_cons_break_push(NULL, NULL);
	RzIOMap *map;
	RzListIter *iter;
	rz_list_foreach (param->boundaries, iter, map) {
		ut64 from = map->itv.addr;
		ut64 to = rz_itv_end(map->itv);
		for (i = 0, at = from; at < to; i++, at++) {
			if (rz_cons_is_breaked()) {
				break;
			}
			at = from + i;
			ut8 bufop[32];
			rz_io_read_at(core->io, at, bufop, sizeof(bufop));
			ret = rz_analysis_op(core->analysis, &aop, at, bufop, sizeof(bufop), RZ_ANALYSIS_OP_MASK_BASIC | RZ_ANALYSIS_OP_MASK_DISASM);
			if (ret > 0) {
				bool match = false;
				if (type == 'm') {
					const char *fam = aop.mnemonic;
					if (fam && (!*input || rz_str_startswith(fam, input))) {
						match = true;
					}
				} else if (type == 'f') {
					const char *fam = rz_analysis_op_family_to_string(aop.family);
					if (fam && (!*input || !strcmp(input, fam))) {
						match = true;
					}
				} else {
					const char *type = rz_analysis_optype_to_string(aop.type);
					if (type) {
						bool isCandidate = !*input;
						if (!strcmp(input, "cswi")) {
							if (*input && !strcmp(input + 1, type)) {
								isCandidate = true;
							}
						} else {
							if (!strcmp(input, type)) {
								isCandidate = true;
							}
						}
						if (isCandidate) {
							if (strstr(input, "swi")) {
								if (*input == 'c') {
									match = true; // aop.cond;
								} else {
									match = aop.cond == RZ_TYPE_COND_AL;
								}
							} else {
								match = true;
							}
						}
					}
				}
				if (match) {
					// char *opstr = rz_core_disassemble_instr (core, at, 1);
					char *opstr = rz_core_op_str(core, at);
					switch (mode) {
					case 'j':
						pj_o(param->pj);
						pj_kn(param->pj, "addr", at);
						pj_ki(param->pj, "size", ret);
						pj_ks(param->pj, "opstr", opstr);
						pj_end(param->pj);
						break;
					case 'q':
						rz_cons_printf("0x%08" PFMT64x "\n", at);
						break;
					default:
						if (type == 'f') {
							const char *fam = rz_analysis_op_family_to_string(aop.family);
							rz_cons_printf("0x%08" PFMT64x " %d %s %s\n", at, ret, fam, opstr);
						} else {
							rz_cons_printf("0x%08" PFMT64x " %d %s\n", at, ret, opstr);
						}
						break;
					}
					RZ_FREE(opstr);
					if (*input && searchflags) {
						char flag[64];
						snprintf(flag, sizeof(flag), "%s%d_%d",
							searchprefix, kwidx, count);
						rz_flag_set(core->flags, flag, at, ret);
					}
					if (*param->cmd_hit) {
						ut64 here = core->offset;
						rz_core_seek(core, at, true);
						rz_core_cmd(core, param->cmd_hit, 0);
						rz_core_seek(core, here, true);
					}
					count++;
					if (search->maxhits && count >= search->maxhits) {
						goto done;
					}
				}
				int inc = (core->search->align > 0) ? core->search->align - 1 : ret - 1;
				if (inc < 0) {
					inc = 0;
				}
				i += inc;
				at += inc;
			}
		}
	}
done:
	if (mode == 'j') {
		pj_end(param->pj);
	}
	rz_cons_break_pop();
	return false;
}

static void do_section_search(RzCore *core, struct search_parameters *param, const char *input) {
	double threshold = 1;
	bool r2mode = false;
	if (input && *input) {
		if (*input == '*') {
			r2mode = true;
		}
		sscanf(input, "%lf", &threshold);
		if (threshold < 1) {
			threshold = 1;
		}
	}
	int buf_size = core->blocksize;
	ut8 *buf = malloc(buf_size);
	if (!buf) {
		return;
	}
	double oe = 0;
	RzListIter *iter;
	RzIOMap *map;
	ut64 begin = UT64_MAX;
	ut64 at, end = 0;
	int index = 0;
	bool lastBlock = true;
	rz_cons_break_push(NULL, NULL);
	rz_list_foreach (param->boundaries, iter, map) {
		ut64 from = map->itv.addr;
		ut64 to = rz_itv_end(map->itv);
		if (rz_cons_is_breaked()) {
			break;
		}
		for (at = from; at < to; at += buf_size) {
			if (begin == UT64_MAX) {
				begin = at;
			}
			rz_io_read_at(core->io, at, buf, buf_size);
			double e = rz_hash_entropy(buf, buf_size);
			double diff = oe - e;
			diff = RZ_ABS(diff);
			end = at + buf_size;
			if (diff > threshold) {
				if (r2mode) {
					rz_cons_printf("f entropy_section_%d 0x%08" PFMT64x " @ 0x%08" PFMT64x "\n", index, end - begin, begin);
				} else {
					rz_cons_printf("0x%08" PFMT64x " - 0x%08" PFMT64x " ~ %lf\n", begin, end, e);
				}
				begin = UT64_MAX;
				index++;
				lastBlock = false;
			} else {
				lastBlock = true;
			}
			oe = e;
		}
		begin = UT64_MAX;
	}
	if (begin != UT64_MAX && lastBlock) {
		if (r2mode) {
			rz_cons_printf("f entropy_section_%d 0x%08" PFMT64x " @ 0x%08" PFMT64x "\n", index, end - begin, begin);
		} else {
			rz_cons_printf("0x%08" PFMT64x " - 0x%08" PFMT64x " ~ %d .. last\n", begin, end, 0);
		}
		index++;
	}
	rz_cons_break_pop();
	free(buf);
}

static void do_asm_search(RzCore *core, struct search_parameters *param, const char *input, int mode, RzInterval search_itv) {
	RzCoreAsmHit *hit;
	RzListIter *iter, *itermap;
	int count = 0, maxhits = 0, filter = 0;
	int kwidx = core->search->n_kws; // (int)rz_config_get_i (core->config, "search.kwidx")-1;
	RzList *hits;
	RzIOMap *map;
	bool regexp = input[0] == '/'; // "/c/"
	bool everyByte = regexp && input[1] == 'a';
	char tmpbuf[128];
	char *end_cmd = strchr(input, ' ');
	switch ((end_cmd ? *(end_cmd - 1) : input[0])) {
	case 'j':
		param->outmode = RZ_MODE_JSON;
		break;
	case '*':
		param->outmode = RZ_MODE_RIZINCMD;
		break;
	default:
		break;
	}
	if (mode == 'o') {
		everyByte = true;
	}

	maxhits = (int)rz_config_get_i(core->config, "search.maxhits");
	filter = (int)rz_config_get_i(core->config, "asm.sub.names");
	if (param->outmode == RZ_MODE_JSON) {
		pj_a(param->pj);
	}
	rz_cons_break_push(NULL, NULL);
	if (everyByte) {
		input++;
	}
	rz_list_foreach (param->boundaries, itermap, map) {
		if (!rz_itv_overlap(search_itv, map->itv)) {
			continue;
		}
		ut64 from = map->itv.addr;
		ut64 to = rz_itv_end(map->itv);
		if (rz_cons_is_breaked()) {
			break;
		}
		if (maxhits && count >= maxhits) {
			break;
		}
		hits = rz_core_asm_strsearch(core, end_cmd,
			from, to, maxhits, regexp, everyByte, mode);
		if (hits) {
			const char *cmdhit = rz_config_get(core->config, "cmd.hit");
			rz_list_foreach (hits, iter, hit) {
				if (rz_cons_is_breaked()) {
					break;
				}
				if (cmdhit && *cmdhit) {
					rz_core_cmdf(core, "%s @ 0x%" PFMT64x, cmdhit, hit->addr);
				}
				switch (param->outmode) {
				case RZ_MODE_JSON:
					pj_o(param->pj);
					pj_kn(param->pj, "offset", hit->addr);
					pj_ki(param->pj, "len", hit->len);
					pj_ks(param->pj, "code", hit->code);
					pj_end(param->pj);
					break;
				case RZ_MODE_RIZINCMD:
					rz_cons_printf("f %s%d_%i @ 0x%08" PFMT64x "\n",
						searchprefix, kwidx, count, hit->addr);
					break;
				default:
					if (filter) {
						char tmp[128] = {
							0
						};
						RzAnalysisHint *hint = rz_analysis_hint_get(core->analysis, hit->addr);
						rz_parse_filter(core->parser, hit->addr, core->flags, hint, hit->code, tmp, sizeof(tmp),
							core->print->big_endian);
						rz_analysis_hint_free(hint);
						rz_cons_printf("0x%08" PFMT64x "   # %i: %s\n",
							hit->addr, hit->len, tmp);
					} else {
						rz_cons_printf("0x%08" PFMT64x "   # %i: %s\n",
							hit->addr, hit->len, hit->code);
					}
					break;
				}
				if (searchflags) {
					const char *flagname = rz_strf(tmpbuf, "%s%d_%d", searchprefix, kwidx, count);
					if (flagname) {
						rz_flag_set(core->flags, flagname, hit->addr, hit->len);
					}
				}
				count++;
			}
			rz_list_purge(hits);
			free(hits);
		}
	}
	if (param->outmode == RZ_MODE_JSON) {
		pj_end(param->pj);
	}
	rz_cons_break_pop();
}

static void do_string_search(RzCore *core, RzInterval search_itv, struct search_parameters *param) {
	ut64 at;
	ut8 *buf;
	RzSearch *search = core->search;

	if (param->outmode == RZ_MODE_JSON) {
		pj_a(param->pj);
	}
	RzListIter *iter;
	RzIOMap *map;
	if (!searchflags && param->outmode != RZ_MODE_JSON) {
		rz_cons_printf("fs hits\n");
	}
	core->search->inverse = param->inverse;
	// TODO Bad but is to be compatible with the legacy behavior
	if (param->inverse) {
		core->search->maxhits = 1;
	}
	if (core->search->n_kws > 0) {
		/* set callback */
		/* TODO: handle last block of data */
		/* TODO: handle ^C */
		/* TODO: launch search in background support */
		// REMOVE OLD FLAGS rz_core_cmdf (core, "f-%s*", rz_config_get (core->config, "search.prefix"));
		rz_search_set_callback(core->search, &_cb_hit, param);
		if (!(buf = malloc(core->blocksize))) {
			return;
		}
		if (search->bckwrds) {
			rz_search_string_prepare_backward(search);
		}
		rz_cons_break_push(NULL, NULL);
		// TODO search cross boundary
		rz_list_foreach (param->boundaries, iter, map) {
			if (!rz_itv_overlap(search_itv, map->itv)) {
				continue;
			}
			const ut64 saved_nhits = search->nhits;
			RzInterval itv = rz_itv_intersect(search_itv, map->itv);
			if (rz_cons_is_breaked()) {
				break;
			}
			if (param->outmode != RZ_MODE_JSON) {
				RzSearchKeyword *kw = rz_list_first(core->search->kws);
				int lenstr = kw ? kw->keyword_length : 0;
				const char *bytestr = lenstr > 1 ? "bytes" : "byte";
				eprintf("Searching %d %s in [0x%" PFMT64x "-0x%" PFMT64x "]\n",
					kw ? kw->keyword_length : 0, bytestr, itv.addr, rz_itv_end(itv));
			}
			if (!core->search->bckwrds) {
				RzListIter *it;
				RzSearchKeyword *kw;
				rz_list_foreach (core->search->kws, it, kw) {
					kw->last = 0;
				}
			}

			const ut64 from = itv.addr, to = rz_itv_end(itv),
				   from1 = search->bckwrds ? to : from,
				   to1 = search->bckwrds ? from : to;
			ut64 len;
			for (at = from1; at != to1; at = search->bckwrds ? at - len : at + len) {
				print_search_progress(at, to1, search->nhits, param);
				if (rz_cons_is_breaked()) {
					eprintf("\n\n");
					break;
				}
				if (search->bckwrds) {
					len = RZ_MIN(core->blocksize, at - from);
					// TODO prefix_read_at
					if (!rz_io_is_valid_offset(core->io, at - len, 0)) {
						break;
					}
					(void)rz_io_read_at(core->io, at - len, buf, len);
				} else {
					len = RZ_MIN(core->blocksize, to - at);
					if (!rz_io_is_valid_offset(core->io, at, 0)) {
						break;
					}
					(void)rz_io_read_at(core->io, at, buf, len);
				}
				rz_search_update(core->search, at, buf, len);
				if (param->aes_search) {
					// Adjust length to search between blocks.
					if (len == core->blocksize) {
						len -= AES_SEARCH_LENGTH - 1;
					}
				} else if (param->privkey_search) {
					// Adjust length to search between blocks.
					if (len == core->blocksize) {
						len -= PRIVATE_KEY_SEARCH_LENGTH - 1;
					}
				}
				if (core->search->maxhits > 0 && core->search->nhits >= core->search->maxhits) {
					goto done;
				}
			}
			print_search_progress(at, to1, search->nhits, param);
			rz_cons_clear_line(1);
			core->num->value = search->nhits;
			if (param->outmode != RZ_MODE_JSON) {
				eprintf("hits: %" PFMT64d "\n", search->nhits - saved_nhits);
			}
		}
	done:
		rz_cons_break_pop();
		free(buf);
	} else {
		RZ_LOG_ERROR("core: No keywords defined\n");
	}

	if (param->outmode == RZ_MODE_JSON) {
		pj_end(param->pj);
	}
}

static void rop_kuery(void *data, const char *input, PJ *pj) {
	RzCore *core = (RzCore *)data;
	Sdb *db_rop = sdb_ns(core->sdb, "rop", false);
	SdbListIter *sdb_iter, *it;
	SdbList *sdb_list;
	SdbNs *ns;
	SdbKv *kv;
	char *out;

	if (!db_rop) {
		RZ_LOG_ERROR("core: could not find SDB 'rop' namespace\n");
		return;
	}

	switch (*input) {
	case 'q':
		ls_foreach (db_rop->ns, it, ns) {
			sdb_list = sdb_foreach_list(ns->sdb, false);
			ls_foreach (sdb_list, sdb_iter, kv) {
				rz_cons_printf("%s ", sdbkv_key(kv));
			}
		}
		break;
	case 'j':
		pj_o(pj);
		pj_ka(pj, "gadgets");
		ls_foreach (db_rop->ns, it, ns) {
			sdb_list = sdb_foreach_list(ns->sdb, false);
			ls_foreach (sdb_list, sdb_iter, kv) {
				char *dup = strdup(sdbkv_value(kv));
				bool flag = false; // to free tok when doing strdup
				char *size = strtok(dup, " ");
				char *tok = strtok(NULL, "{}");
				if (!tok) {
					tok = strdup("NOP");
					flag = true;
				}
				pj_o(pj);
				pj_ks(pj, "address", sdbkv_key(kv));
				pj_ks(pj, "size", size);
				pj_ks(pj, "type", ns->name);
				pj_ks(pj, "effect", tok);
				pj_end(pj);
				free(dup);
				if (flag) {
					free(tok);
				}
			}
		}
		pj_end(pj);
		pj_end(pj);
		break;
	case ' ':
		if (!strcmp(input + 1, "nop")) {
			out = sdb_querys(core->sdb, NULL, 0, "rop/nop/*");
			if (out) {
				rz_cons_println(out);
				free(out);
			}
		} else if (!strcmp(input + 1, "mov")) {
			out = sdb_querys(core->sdb, NULL, 0, "rop/mov/*");
			if (out) {
				rz_cons_println(out);
				free(out);
			}
		} else if (!strcmp(input + 1, "const")) {
			out = sdb_querys(core->sdb, NULL, 0, "rop/const/*");
			if (out) {
				rz_cons_println(out);
				free(out);
			}
		} else if (!strcmp(input + 1, "arithm")) {
			out = sdb_querys(core->sdb, NULL, 0, "rop/arithm/*");
			if (out) {
				rz_cons_println(out);
				free(out);
			}
		} else if (!strcmp(input + 1, "arithm_ct")) {
			out = sdb_querys(core->sdb, NULL, 0, "rop/arithm_ct/*");
			if (out) {
				rz_cons_println(out);
				free(out);
			}
		} else {
			RZ_LOG_ERROR("core: Invalid ROP class\n");
		}
		break;
	default:
		out = sdb_querys(core->sdb, NULL, 0, "rop/***");
		if (out) {
			rz_cons_println(out);
			free(out);
		}
		break;
	}
}

static int memcmpdiff(const ut8 *a, const ut8 *b, int len) {
	int i, diff = 0;
	for (i = 0; i < len; i++) {
		if (a[i] == b[i] && a[i] == 0x00) {
			/* ignore nulls */
		} else if (a[i] != b[i]) {
			diff++;
		}
	}
	return diff;
}

static void search_similar_pattern_in(RzCore *core, int count, ut64 from, ut64 to) {
	ut64 addr = from;
	ut8 *block = calloc(core->blocksize, 1);
	if (!block) {
		return;
	}
	while (addr < to) {
		(void)rz_io_read_at(core->io, addr, block, core->blocksize);
		if (rz_cons_is_breaked()) {
			break;
		}
		int diff = memcmpdiff(core->block, block, core->blocksize);
		int equal = core->blocksize - diff;
		if (equal >= count) {
			int pc = (equal * 100) / core->blocksize;
			rz_cons_printf("0x%08" PFMT64x " %4d/%d %3d%%  ", addr, equal, core->blocksize, pc);
			ut8 ptr[2] = {
				(ut8)(pc * 2.5), 0
			};
			RzHistogramOptions opts = {
				.unicode = rz_config_get_b(core->config, "scr.utf8"),
				.thinline = !rz_config_get_b(core->config, "scr.hist.block"),
				.legend = false,
				.offset = rz_config_get_b(core->config, "hex.offset"),
				.offpos = UT64_MAX,
				.cursor = false,
				.curpos = 0,
				.color = rz_config_get_i(core->config, "scr.color"),
				.pal = &core->cons->context->pal
			};
			RzStrBuf *strbuf = rz_histogram_vertical(&opts, ptr, 1, core->blocksize);
			if (!strbuf) {
				RZ_LOG_ERROR("Cannot generate vertical histogram\n");
			} else {
				rz_cons_print(rz_strbuf_drain(strbuf));
			}
		}
		addr += core->blocksize;
	}
	free(block);
}

static void search_similar_pattern(RzCore *core, int count, struct search_parameters *param) {
	RzIOMap *p;
	RzListIter *iter;

	rz_cons_break_push(NULL, NULL);
	rz_list_foreach (param->boundaries, iter, p) {
		search_similar_pattern_in(core, count, p->itv.addr, rz_itv_end(p->itv));
	}
	rz_cons_break_pop();
}

static bool isArm(RzCore *core) {
	RzAsm *as = core ? core->rasm : NULL;
	if (as && as->cur && as->cur->arch) {
		if (rz_str_startswith(as->cur->arch, "arm")) {
			if (as->cur->bits < 64) {
				return true;
			}
		}
	}
	return false;
}

void _CbInRangeSearchV(RzCore *core, ut64 from, ut64 to, int vsize, void *user) {
	struct search_parameters *param = user;
	bool isarm = isArm(core);
	// this is expensive operation that could be cached but is a callback
	// and for not messing adding a new param
	const char *prefix = rz_config_get(core->config, "search.prefix");
	if (isarm) {
		if (to & 1) {
			to--;
		}
	}
	if (param->outmode != RZ_MODE_JSON) {
		rz_cons_printf("0x%" PFMT64x ": 0x%" PFMT64x "\n", from, to);
	} else {
		pj_o(param->pj);
		pj_kn(param->pj, "offset", from);
		pj_kn(param->pj, "value", to);
		pj_end(param->pj);
	}
	rz_core_cmdf(core, "f %s.value.0x%08" PFMT64x " %d @ 0x%08" PFMT64x " \n", prefix, to, vsize, to); // flag at value of hit
	rz_core_cmdf(core, "f %s.offset.0x%08" PFMT64x " %d @ 0x%08" PFMT64x " \n", prefix, from, vsize, from); // flag at offset of hit
	const char *cmdHit = rz_config_get(core->config, "cmd.hit");
	if (cmdHit && *cmdHit) {
		ut64 addr = core->offset;
		rz_core_seek(core, from, true);
		rz_core_cmd(core, cmdHit, 0);
		rz_core_seek(core, addr, true);
	}
}

static ut8 *v_writebuf(RzCore *core, RzList /*<char *>*/ *nums, int len, char ch, int bsize) {
	ut8 *ptr;
	ut64 n64;
	ut32 n32;
	ut16 n16;
	ut8 n8;
	int i = 0;
	ut8 *buf = calloc(1, bsize);
	if (!buf) {
		RZ_LOG_ERROR("core: Cannot allocate %d byte(s)\n", bsize);
		free(buf);
		return NULL;
	}
	ptr = buf;
	for (i = 0; i < len; i++) {
		switch (ch) {
		case '1':
			n8 = rz_num_math(core->num, rz_list_pop_head(nums));
			rz_write_le8(ptr, n8);
			ptr = (ut8 *)ptr + sizeof(ut8);
			break;
		case '2':
			n16 = rz_num_math(core->num, rz_list_pop_head(nums));
			rz_write_le16(ptr, n16);
			ptr = (ut8 *)ptr + sizeof(ut16);
			break;
		case '4':
			n32 = (ut32)rz_num_math(core->num, rz_list_pop_head(nums));
			rz_write_le32(ptr, n32);
			ptr = (ut8 *)ptr + sizeof(ut32);
			break;
		default:
		case '8':
			n64 = rz_num_math(core->num, rz_list_pop_head(nums));
			rz_write_le64(ptr, n64);
			ptr = (ut8 *)ptr + sizeof(ut64);
			break;
		}
		if (ptr > ptr + bsize) {
			free(buf);
			return NULL;
		}
	}
	return buf;
}

// maybe useful as in util/big.c .?
static void incBuffer(ut8 *buf, int bufsz) {
	int i = 0;
	while (i < bufsz) {
		buf[i]++;
		if (!buf[i]) {
			i++;
			continue;
		}
		break;
	}
	// may overflow/hang/end/stop/whatever here
}

static void incPrintBuffer(ut8 *buf, int bufsz) {
	int i = 0;
	while (i < bufsz) {
		buf[i]++;
		if (!buf[i]) {
			i++;
			continue;
		}
		if (IS_PRINTABLE(buf[i])) {
			break;
		}
	}
}

static void incLowerBuffer(ut8 *buf, int bufsz) {
	int i = 0;
	while (i < bufsz) {
		buf[i]++;
		if (buf[i] && isalpha(buf[i]) && islower(buf[i])) {
			break;
		}
		if (!buf[i]) {
			i++;
			continue;
		}
	}
}

static void incUpperBuffer(ut8 *buf, int bufsz) {
	int i = 0;
	while (i < bufsz) {
		buf[i]++;
		if (buf[i] && isalpha(buf[i]) && isupper(buf[i])) {
			break;
		}
		if (!buf[i]) {
			i++;
			continue;
		}
	}
}

static void incAlphaBuffer(ut8 *buf, int bufsz) {
	int i = 0;
	while (i < bufsz) {
		buf[i]++;
		if (buf[i] && isalpha(buf[i])) {
			break;
		}
		if (!buf[i]) {
			i++;
			continue;
		}
	}
	// may overflow/hang/end/stop/whatever here
}

static void incDigitBuffer(ut8 *buf, int bufsz) {
	int i = 0;
	while (i < bufsz) {
		buf[i]++;
		if (buf[i] && isdigit(buf[i])) {
			break;
		}
		if (!buf[i]) {
			i++;
			continue;
		}
	}
	// may overflow/hang/end/stop/whatever here
}

static void search_collisions(RzCore *core, const char *hashName, const ut8 *hashValue, int hashLength, int mode) {
	ut8 RZ_ALIGNED(8) cmphash[128];
	const RzHashPlugin *crc32 = rz_hash_plugin_by_name(core->hash, "crc32");
	ut8 *digest = NULL;

	int i = 0;
	int bufsz = core->blocksize;
	ut8 *buf = calloc(1, bufsz);
	if (!buf) {
		return;
	}
	memcpy(buf, core->block, bufsz);
	if (hashLength > sizeof(cmphash)) {
		RZ_LOG_WARN("core: Hashlength mismatch %d %d\n", hashLength, (int)sizeof(cmphash));
		free(buf);
		return;
	}
	memcpy(cmphash, hashValue, hashLength);

	if (hashLength != 4) {
		RZ_LOG_ERROR("core: Invalid hash size %d (expected 4)\n", hashLength);
		free(buf);
		return;
	}

	rz_cons_break_push(NULL, NULL);
	ut64 prev = rz_time_now_mono();
	ut64 inc = 0;
	int amount = 0;
	int mount = 0;
	while (!rz_cons_is_breaked()) {
		ut64 now = rz_time_now_mono();
		if (now < (prev + 1000000)) {
			amount++;
		} else {
			mount += amount;
			mount /= 2;
			amount = 0;
			prev = now;
		}
		switch (mode) {
		case 'p': // digits+alpha
			incPrintBuffer(buf, bufsz);
			break;
		case 'a': // lowercase alpha
			incLowerBuffer(buf, bufsz);
			break;
		case 'A': // uppercase alpha
			incUpperBuffer(buf, bufsz);
			break;
		case 'l': // letters
			incAlphaBuffer(buf, bufsz);
			break;
		case 'd': // digits
			incDigitBuffer(buf, bufsz);
			break;
		default: // binary
			incBuffer(buf, bufsz);
			break;
		}

		rz_cons_printf("0x%08" PFMT64x " input:", inc);
		for (i = 0; i < bufsz; i++) {
			rz_cons_printf("%02x", buf[i]);
		}
		if (mode) {
			rz_cons_printf(" \"%s\"", buf);
		}

		crc32->small_block(buf, bufsz, &digest, NULL);

		rz_cons_printf(" digest:");
		for (i = 0; i < hashLength; i++) {
			rz_cons_printf("%02x", digest[i]);
		}
		rz_cons_printf(" (%d h/s)  \r", mount);
		if (!memcmp(hashValue, digest, hashLength)) {
			rz_cons_printf("\nCOLLISION FOUND!\n");
			rz_core_print_hexdump(core, core->offset, buf, bufsz, 0, 16, 0);
		}
		rz_cons_flush();
		RZ_FREE(digest);
		inc++;
	}
	rz_cons_break_pop();
	free(buf);
}

static void __core_cmd_search_asm_infinite(RzCore *core, const char *arg) {
	const char *search_in = rz_config_get(core->config, "search.in");
	RzList *boundaries = rz_core_get_boundaries_prot(core, -1, search_in, "search");
	RzListIter *iter;
	RzIOMap *map;
	RzAnalysisOp aop;
	ut64 at;
	rz_list_foreach (boundaries, iter, map) {
		ut64 map_begin = map->itv.addr;
		ut64 map_size = map->itv.size;
		ut64 map_end = map_begin + map_size;
		ut8 *buf = calloc(map_end - map_begin, 1);
		if (!buf) {
			continue;
		}
		(void)rz_io_read_at(core->io, map_begin, buf, map_size);
		for (at = map->itv.addr; at + 24 < map_end; at += 1) {
			rz_analysis_op(core->analysis, &aop, at, buf + (at - map_begin), 24, RZ_ANALYSIS_OP_MASK_HINT);
			if (at == aop.jump) {
				rz_cons_printf("0x%08" PFMT64x "\n", at);
			}
			at += aop.size;
			rz_analysis_op_fini(&aop);
		}
		free(buf);
	}
}

static void __core_cmd_search_asm_byteswap(RzCore *core, int nth) {
	RzAsmOp asmop;
	ut8 buf[32];
	int i;
	rz_io_read_at(core->io, 0, buf, sizeof(buf));
	if (nth < 0 || nth >= sizeof(buf) - 1) {
		return;
	}
	for (i = 0; i <= 0xff; i++) {
		buf[nth] = i;
		if (rz_asm_disassemble(core->rasm, &asmop, buf, sizeof(buf)) > 0) {
			const char *asmstr = rz_strbuf_get(&asmop.buf_asm);
			if (!strstr(asmstr, "invalid") && !strstr(asmstr, "unaligned")) {
				rz_cons_printf("%02x  %s\n", i, asmstr);
			}
		}
	}
}

RZ_IPI int rz_cmd_search(void *data, const char *input) {
	bool dosearch = false;
	int ret = true;
	RzCore *core = (RzCore *)data;
	struct search_parameters param = {
		.core = core,
		.cmd_hit = rz_config_get(core->config, "cmd.hit"),
		.outmode = 0,
		.inverse = false,
		.aes_search = false,
		.privkey_search = false,
	};
	if (!param.cmd_hit) {
		param.cmd_hit = "";
	}
	RzSearch *search = core->search;
	int ignorecase = false;
	int param_offset = 2;
	char *inp;
	if (!core || !core->io) {
		RZ_LOG_ERROR("core: Can't search if we don't have an open file.\n");
		return false;
	}
	if (core->in_search) {
		RZ_LOG_ERROR("core: Can't search from within a search.\n");
		return false;
	}
	if (input[0] == '/') {
		if (core->lastsearch) {
			input = core->lastsearch;
		} else {
			RZ_LOG_ERROR("core: No previous search done\n");
			return false;
		}
	} else {
		free(core->lastsearch);
		core->lastsearch = strdup(input);
	}

	core->in_search = true;
	rz_flag_space_push(core->flags, "search");
	const ut64 search_from = rz_config_get_i(core->config, "search.from"),
		   search_to = rz_config_get_i(core->config, "search.to");
	if (search_from > search_to && search_to) {
		RZ_LOG_ERROR("core: search.from > search.to is not supported\n");
		ret = false;
		goto beach;
	}
	// {.addr = UT64_MAX, .size = 0} means search range is unspecified
	RzInterval search_itv = { search_from, search_to - search_from };
	bool empty_search_itv = search_from == search_to && search_from != UT64_MAX;
	if (empty_search_itv) {
		RZ_LOG_ERROR("core: `from` address is equal `to`\n");
		ret = false;
		goto beach;
	}
	// TODO full address cannot be represented, shrink 1 byte to [0, UT64_MAX)
	if (search_from == UT64_MAX && search_to == UT64_MAX) {
		search_itv.addr = 0;
		search_itv.size = UT64_MAX;
	}

	c = 0;

	searchshow = rz_config_get_i(core->config, "search.show");
	param.mode = rz_config_get(core->config, "search.in");
	param.boundaries = rz_core_get_boundaries_prot(core, -1, param.mode, "search");

	/*
	   this introduces a bug until we implement backwards search
	   for all search types
	   if (__to < __from) {
		eprintf ("Invalid search range. Check 'e search.{from|to}'\n");
		return false;
	   }
	   since the backward search will be implemented soon I'm not gonna stick
	   checks for every case in switch // jjdredd
	   remove when everything is done
	 */

	core->search->align = rz_config_get_i(core->config, "search.align");
	searchflags = rz_config_get_i(core->config, "search.flags");
	core->search->maxhits = rz_config_get_i(core->config, "search.maxhits");
	searchprefix = rz_config_get(core->config, "search.prefix");
	core->search->overlap = rz_config_get_i(core->config, "search.overlap");
	core->search->bckwrds = false;

	/* Quick & dirty check for json output */
	if (input[0] && (input[1] == 'j') && (input[0] != ' ')) {
		param.outmode = RZ_MODE_JSON;
		param_offset++;
	}
	param.pj = pj_new();

reread:
	switch (*input) {
	case '!':
		input++;
		param.inverse = true;
		goto reread;
	case 'b': // "/b" backward search
		if (*(++input) == '?') {
			RZ_LOG_ERROR("core: Usage: /b<command> [value] backward search, see '/?'\n");
			goto beach;
		}
		search->bckwrds = true;
		if (core->offset) {
			RzInterval itv = { 0, core->offset };
			if (!rz_itv_overlap(search_itv, itv)) {
				ret = false;
				goto beach;
			} else {
				search_itv = rz_itv_intersect(search_itv, itv);
			}
		}
		goto reread;
	case 'o': { // "/o" print the offset of the Previous opcode
		ut64 addr, n = input[param_offset - 1] ? rz_num_math(core->num, input + param_offset) : 1;
		n = RZ_ABS((st64)n);
		if (((st64)n) < 1) {
			n = 1;
		}
		if (!rz_core_prevop_addr(core, core->offset, n, &addr)) {
			addr = UT64_MAX;
			(void)rz_core_asm_bwdis_len(core, NULL, &addr, n);
		}
		if (param.outmode == RZ_MODE_JSON) {
			rz_cons_printf("[%" PFMT64u "]", addr);
		} else {
			rz_cons_printf("0x%08" PFMT64x "\n", addr);
		}
		break;
	}
	case 'O': { // "/O" alternative to "/o"
		ut64 addr, n = input[param_offset - 1] ? rz_num_math(core->num, input + param_offset) : 1;
		if (!n) {
			n = 1;
		}
		addr = rz_core_prevop_addr_force(core, core->offset, n);
		if (param.outmode == RZ_MODE_JSON) {
			rz_cons_printf("[%" PFMT64u "]", addr);
		} else {
			rz_cons_printf("0x%08" PFMT64x "\n", addr);
		}
		break;
	}
	case 'R': // "/R"
		if (input[1] == '?') {
			rz_core_cmd_help(core, help_msg_slash_R);
		} else if (input[1] == '/') {
			rz_core_search_rop(core, search_itv, 0, input + 1, 1, &param);
		} else if (input[1] == 'k') {
			if (input[2] == '?') {
				rz_core_cmd_help(core, help_msg_slash_Rk);
			} else {
				rop_kuery(core, input + 2, param.pj);
			}
		} else {
			Sdb *gadgetSdb = sdb_ns(core->sdb, "gadget_sdb", false);

			if (!gadgetSdb) {
				rz_core_search_rop(core, search_itv, 0, input + 1, 0, &param);
			} else {
				SdbKv *kv;
				SdbListIter *sdb_iter;
				SdbList *sdb_list = sdb_foreach_list(gadgetSdb, true);

				ls_foreach (sdb_list, sdb_iter, kv) {
					RzList *hitlist = rz_core_asm_hit_list_new();
					if (!hitlist) {
						goto beach;
					}

					char *s = sdbkv_value(kv);
					ut64 addr;
					int opsz;
					int mode = 0;

					// Options, like JSON, linear, ...
					if (*(input + 1)) {
						mode = *(input + 1);
					}

					do {
						RzCoreAsmHit *hit = rz_core_asm_hit_new();
						if (!hit) {
							rz_list_free(hitlist);
							goto beach;
						}
						sscanf(s, "%" PFMT64x "(%" PFMT32d ")", &addr, &opsz);
						hit->addr = addr;
						hit->len = opsz;
						rz_list_append(hitlist, hit);
					} while (*(s = strchr(s, ')') + 1) != '\0');

					print_rop(core, hitlist, param.pj, mode);
					rz_list_free(hitlist);
				}
			}
		}
		goto beach;
	case 'r': // "/r"
	{
		ut64 n = (input[1] == ' ' || (input[1] && input[2] == ' '))
			? rz_num_math(core->num, input + 2)
			: UT64_MAX;
		if (n == 0LL) {
			RZ_LOG_ERROR("core: Cannot find null references.\n");
			break;
		}
		switch (input[1]) {
		case 'c': // "/rc"
		{
			RzListIter *iter;
			RzIOMap *map;
			rz_list_foreach (param.boundaries, iter, map) {
				eprintf("-- 0x%" PFMT64x " 0x%" PFMT64x "\n", map->itv.addr, rz_itv_end(map->itv));
				rz_core_analysis_search(core, map->itv.addr, rz_itv_end(map->itv), n, 'c');
			}
		} break;
		case 'a': // "/ra"
		{
			RzListIter *iter;
			RzIOMap *map;
			rz_list_foreach (param.boundaries, iter, map) {
				eprintf("-- 0x%" PFMT64x " 0x%" PFMT64x "\n", map->itv.addr, rz_itv_end(map->itv));
				rz_core_analysis_search(core, map->itv.addr, rz_itv_end(map->itv), n, 0);
			}
		} break;
		case 'r': // "/rr" - read refs
		{
			RzListIter *iter;
			RzIOMap *map;
			rz_list_foreach (param.boundaries, iter, map) {
				eprintf("-- 0x%" PFMT64x " 0x%" PFMT64x "\n", map->itv.addr, rz_itv_end(map->itv));
				rz_core_analysis_search(core, map->itv.addr, rz_itv_end(map->itv), n, 'r');
			}
		} break;
		case 'w': // "/rw" - write refs
		{
			RzListIter *iter;
			RzIOMap *map;
			rz_list_foreach (param.boundaries, iter, map) {
				eprintf("-- 0x%" PFMT64x " 0x%" PFMT64x "\n", map->itv.addr, rz_itv_end(map->itv));
				rz_core_analysis_search(core, map->itv.addr, rz_itv_end(map->itv), n, 'w');
			}
		} break;
		case ' ': // "/r $$"
		case 0: // "/r"
		{
			RzListIter *iter;
			RzIOMap *map;
			rz_list_foreach (param.boundaries, iter, map) {
				ut64 from = map->itv.addr;
				ut64 to = rz_itv_end(map->itv);
				if (input[param_offset - 1] == ' ') {
					rz_core_analysis_search(core, from, to,
						rz_num_math(core->num, input + 2), 0);
					do_ref_search(core, rz_num_math(core->num, input + 2), from, to, &param);
				} else {
					rz_core_analysis_search(core, from, to, core->offset, 0);
					do_ref_search(core, core->offset, from, to, &param);
				}
				if (rz_cons_is_breaked()) {
					break;
				}
			}
		} break;
		case '?':
			rz_core_cmd_help(core, help_msg_slash_r);
			break;
		}
	} break;
	case 'a': // "/a"
		if (input[1] == '?') {
			rz_core_cmd_help(core, help_msg_slash_a);
		} else if (input[1] == 'd') { // "ad"
			dosearch = 0;
			do_asm_search(core, &param, input + 2, 0, search_itv);
		} else if (input[1] == 'e') { // "ae"
			dosearch = 0;
			do_asm_search(core, &param, input + 2, 'e', search_itv);
		} else if (input[1] == 'c') { // "/ac"
			dosearch = 0;
			do_asm_search(core, &param, input + 2, 'c', search_itv);
		} else if (input[1] == 'o') { // "/ao"
			dosearch = 0;
			do_asm_search(core, &param, input + 2, 'o', search_itv);
		} else if (input[1] == 'a') { // "/aa"
			dosearch = 0;
			do_asm_search(core, &param, input + 2, 'a', search_itv);
		} else if (input[1] == 'i') { // "/ai"
			do_asm_search(core, &param, input + 2, 'i', search_itv);
		} else if (input[1] == '1') { // "a1"
			__core_cmd_search_asm_byteswap(core, (int)rz_num_math(core->num, input + 2));
		} else if (input[1] == 'I') { // "/aI" - infinite
			__core_cmd_search_asm_infinite(core, rz_str_trim_head_ro(input + 1));
		} else if (input[1] == ' ') {
			if (input[param_offset - 1]) {
				char *kwd = rz_core_asm_search(core, input + param_offset);
				if (!kwd) {
					ret = false;
					goto beach;
				}
				dosearch = true;
				rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
				rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
				rz_search_kw_add(core->search,
					rz_search_keyword_new_hexmask(kwd, NULL));
				free(kwd);
			}
		} else if (input[1] == 's') {
			if (input[2] == 'l') { // "asl"
				rz_core_cmd0(core, "asl");
			} else { // "as"
				do_syscall_search(core, &param);
			}
			dosearch = false;
		} else {
			dosearch = do_analysis_search(core, &param, input + 1);
		}
		break;
	case 'c': { // "/c"
		dosearch = true;
		switch (input[1]) {
		case 'c': // "/cc"
		{
			ret = false;
			char *space = strchr(input, ' ');
			const char *arg = space ? rz_str_trim_head_ro(space + 1) : NULL;
			if (!arg || input[2] == '?') {
				RZ_LOG_ERROR("core: Usage: /cc[aAdlpb] [hashname] [hexpairhashvalue]\n");
				RZ_LOG_ERROR("core:  /cca - lowercase alphabet chars only\n");
				RZ_LOG_ERROR("core:  /ccA - uppercase alphabet chars only\n");
				RZ_LOG_ERROR("core:  /ccl - letters (lower + upper alphabet chars)\n");
				RZ_LOG_ERROR("core:  /ccd - digits (only numbers)\n");
				RZ_LOG_ERROR("core:  /ccp - printable (alpha + digit)\n");
				RZ_LOG_ERROR("core:  /ccb - binary (any number is valid)\n");
				goto beach;
			}
			char *s = strdup(arg);
			char *sp = strchr(s, ' ');
			int mode = input[2];
			if (sp) {
				*sp = 0;
				sp++;
				char *hashName = s;
				ut8 *hashValue = (ut8 *)strdup(sp);
				if (hashValue) {
					if (!rz_str_startswith((const char *)hashValue, "0x")) {
						// TODO: support bigger hashes
						int hashLength = 4;
						ut32 n = (ut32)rz_num_get(NULL, (const char *)hashValue);
						memcpy(hashValue, (const ut8 *)&n, sizeof(ut32));
						search_collisions(core, hashName, hashValue, hashLength, mode);
					} else {
						int hashLength = rz_hex_str2bin(sp, hashValue);
						if (hashLength > 0) {
							search_collisions(core, hashName, hashValue, hashLength, mode);
						} else {
							RZ_LOG_ERROR("core: Invalid expected hash hexpairs.\n");
						}
					}
					free(hashValue);
				} else {
					RZ_LOG_ERROR("core: Cannot allocate memory.\n");
				}
				ret = true;
			} else {
				RZ_LOG_ERROR("core: Usage: /cc [hashname] [hexpairhashvalue]\n");
				RZ_LOG_ERROR("core: Usage: /CC to search ascii collisions\n");
			}
			free(s);
			goto beach;
		} break;
		case 'd': // "cd"
		{
			RzSearchKeyword *kw;
			kw = rz_search_keyword_new_hex("308200003082", "ffff0000ffff", NULL);
			rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
			if (kw) {
				rz_search_kw_add(core->search, kw);
				// eprintf ("Searching %d byte(s)...\n", kw->keyword_length);
				rz_search_begin(core->search);
			} else {
				RZ_LOG_ERROR("core: null pointer on search keyword\n");
				dosearch = false;
			}
		} break;
		case 'a': // "ca"
		{
			RzSearchKeyword *kw;
			kw = rz_search_keyword_new_hexmask("00", NULL);
			// AES search is done over 40 bytes
			kw->keyword_length = AES_SEARCH_LENGTH;
			rz_search_reset(core->search, RZ_SEARCH_AES);
			rz_search_kw_add(search, kw);
			rz_search_begin(core->search);
			param.aes_search = true;
			break;
		}
		case 'r': // "cr"
		{
			RzSearchKeyword *kw;
			kw = rz_search_keyword_new_hexmask("00", NULL);
			// Private key search is at least 11 bytes
			kw->keyword_length = PRIVATE_KEY_SEARCH_LENGTH;
			rz_search_reset(core->search, RZ_SEARCH_PRIV_KEY);
			rz_search_kw_add(search, kw);
			rz_search_begin(core->search);
			param.privkey_search = true;
			break;
		}
		default: {
			dosearch = false;
			rz_core_cmd_help(core, help_msg_slash_c);
		}
		}
	} break;
	case 'm': // "/m"
		dosearch = false;
		if (input[1] == '?') { // "/m?"
			rz_core_cmd_help(core, help_msg_slash_m);
		} else if (input[1] == 'b') { // "/mb"
			bool bin_verbose = rz_config_get_i(core->config, "bin.verbose");
			rz_config_set_i(core->config, "bin.verbose", false);
			// TODO : iter maps?
			cmd_search_bin(core, search_itv);
			rz_config_set_i(core->config, "bin.verbose", bin_verbose);
		} else if (input[1] == ' ' || input[1] == '\0' || param.outmode == RZ_MODE_JSON) {
			int ret;
			const char *file = input[param_offset - 1] ? input + param_offset : NULL;
			ut64 addr = search_itv.addr;
			RzListIter *iter;
			RzIOMap *map;
			if (param.outmode == RZ_MODE_JSON) {
				pj_a(param.pj);
			}
			rz_core_magic_reset(core);
			int maxHits = rz_config_get_i(core->config, "search.maxhits");
			int hits = 0;
			rz_list_foreach (param.boundaries, iter, map) {
				if (param.outmode != RZ_MODE_JSON) {
					eprintf("-- %llx %llx\n", map->itv.addr, rz_itv_end(map->itv));
				}
				rz_cons_break_push(NULL, NULL);
				for (addr = map->itv.addr; addr < rz_itv_end(map->itv); addr++) {
					if (rz_cons_is_breaked()) {
						break;
					}
					ret = rz_core_magic_at(core, file, addr, 99, false, param.outmode == RZ_MODE_JSON ? param.pj : NULL, &hits);
					if (ret == -1) {
						// something went terribly wrong.
						break;
					}
					if (maxHits && hits >= maxHits) {
						break;
					}
					addr += ret - 1;
				}
				rz_cons_clear_line(1);
				rz_cons_break_pop();
			}
			if (param.outmode == RZ_MODE_JSON) {
				pj_end(param.pj);
			}
		} else {
			RZ_LOG_ERROR("core: Usage: /m [file]\n");
		}
		rz_cons_clear_line(1);
		break;
	case 'p': // "/p"
	{
		if (input[param_offset - 1]) {
			int ps = atoi(input + param_offset);
			if (ps > 1) {
				RzListIter *iter;
				RzIOMap *map;
				rz_list_foreach (param.boundaries, iter, map) {
					eprintf("-- %llx %llx\n", map->itv.addr, rz_itv_end(map->itv));
					rz_cons_break_push(NULL, NULL);
					rz_search_pattern_size(core->search, ps);
					rz_search_pattern(core->search, map->itv.addr, rz_itv_end(map->itv));
					rz_cons_break_pop();
				}
				break;
			}
		}
		RZ_LOG_ERROR("core: Invalid pattern size (must be > 0)\n");
	} break;
	case 'P': // "/P"
		search_similar_pattern(core, atoi(input + 1), &param);
		break;
	case 'V': // "/V"
	{
		if (input[2] == 'j') {
			param.outmode = RZ_MODE_JSON;
			param_offset++;
		} else if (strchr(input + 1, '*')) {
			param.outmode = RZ_MODE_RIZINCMD;
		}
		int err = 1, vsize = atoi(input + 1);
		const char *num_str = input + param_offset + 1;
		if (vsize && input[2] && num_str) {
			if (param.outmode == RZ_MODE_JSON) {
				pj_a(param.pj);
			}
			char *w = strchr(num_str, ' ');
			if (w) {
				*w++ = 0;
				ut64 vmin = rz_num_math(core->num, num_str);
				ut64 vmax = rz_num_math(core->num, w);
				if (vsize > 0) {
					RzIOMap *map;
					RzListIter *iter;
					rz_list_foreach (param.boundaries, iter, map) {
						err = 0;
						int hits = rz_core_search_value_in_range(core, map->itv,
							vmin, vmax, vsize,
							_CbInRangeSearchV, &param);
						if (param.outmode != RZ_MODE_JSON) {
							eprintf("hits: %d\n", hits);
						}
					}
				}
			}
			if (param.outmode == RZ_MODE_JSON) {
				pj_end(param.pj);
			}
		}
		if (err) {
			RZ_LOG_ERROR("core: Usage: /V[1|2|4|8] [minval] [maxval]\n");
		}
	}
		dosearch = false;
		break;
	case 'v': // "/v"
		if (input[1]) {
			if (input[1] == '?') {
				rz_cons_print("Usage: /v[1|2|4|8] [value]\n");
				break;
			}
			if (input[2] == 'j') {
				param.outmode = RZ_MODE_JSON;
				param_offset++;
			}
		}
		rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
		rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
		char *v_str = (char *)rz_str_trim_head_ro(input + param_offset);
		RzList *nums = rz_num_str_split_list(v_str);
		int len = rz_list_length(nums);
		int bsize = 0;
		ut8 *v_buf = NULL;
		switch (input[1]) {
		case '8':
			if (input[param_offset]) {
				bsize = sizeof(ut64) * len;
				v_buf = v_writebuf(core, nums, len, '8', bsize);
			} else {
				RZ_LOG_ERROR("core: Usage: /v8 value\n");
			}
			break;
		case '1':
			if (input[param_offset]) {
				bsize = sizeof(ut8) * len;
				v_buf = v_writebuf(core, nums, len, '1', bsize);
			} else {
				RZ_LOG_ERROR("core: Usage: /v1 value\n");
			}
			break;
		case '2':
			if (input[param_offset]) {
				bsize = sizeof(ut16) * len;
				v_buf = v_writebuf(core, nums, len, '2', bsize);
			} else {
				RZ_LOG_ERROR("core: Usage: /v2 value\n");
			}
			break;
		default: // default size
		case '4':
			if (input[param_offset - 1]) {
				if (input[param_offset]) {
					bsize = sizeof(ut32) * len;
					v_buf = v_writebuf(core, nums, len, '4', bsize);
				}
			} else {
				RZ_LOG_ERROR("core: Usage: /v4 value\n");
			}
			break;
		}
		if (v_buf) {
			rz_search_kw_add(core->search,
				rz_search_keyword_new((const ut8 *)v_buf, bsize, NULL, 0, NULL));
			free(v_buf);
		}
		rz_search_begin(core->search);
		dosearch = true;
		break;
	case 'w': // "/w" search wide string, includes ignorecase search functionality (/wi cmd)!
		if (input[2]) {
			if (input[1] == 'j' || input[2] == 'j') {
				param.outmode = RZ_MODE_JSON;
			}
			if (input[1] == 'i' || input[2] == 'i') {
				ignorecase = true;
			}
		} else {
			param.outmode = RZ_MODE_RIZINCMD;
		}

		size_t shift = 1 + ignorecase;
		if (param.outmode == RZ_MODE_JSON) {
			shift++;
		}
		size_t strstart;
		const char *p2;
		char *p;
		strstart = shift + 1;
		len = strlen(input + strstart);
		inp = calloc((len + 1), 2);
		for (p2 = input + strstart, p = inp; *p2; p += 2, p2++) {
			if (ignorecase) {
				p[0] = tolower((const ut8)*p2);
			} else {
				p[0] = *p2;
			}
			p[1] = 0;
		}
		rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
		rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
		RzSearchKeyword *skw;
		skw = rz_search_keyword_new((const ut8 *)inp, len * 2, NULL, 0, NULL);
		free(inp);
		if (skw) {
			skw->icase = ignorecase;
			rz_search_kw_add(core->search, skw);
			rz_search_begin(core->search);
			dosearch = true;
		} else {
			RZ_LOG_ERROR("core: Invalid keyword\n");
			break;
		}
		break;
	case 'i': // "/i"
		if (input[param_offset - 1] != ' ') {
			RZ_LOG_ERROR("core: Missing ' ' after /i\n");
			ret = false;
			goto beach;
		}
		ignorecase = true;
		// fallthrough
	case 'j': // "/j"
		if (input[0] == 'j' && input[1] == ' ') {
			param.outmode = RZ_MODE_JSON;
		}
		// fallthrough
	case ' ': // "/ " search string
		inp = strdup(input + 1 + ignorecase + (param.outmode == RZ_MODE_JSON ? 1 : 0));
		len = rz_str_unescape(inp);
		rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
		rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
		{
			RzSearchKeyword *skw;
			skw = rz_search_keyword_new((const ut8 *)inp, len, NULL, 0, NULL);
			free(inp);
			if (skw) {
				skw->icase = ignorecase;
				skw->type = RZ_SEARCH_KEYWORD_TYPE_STRING;
				rz_search_kw_add(core->search, skw);
			} else {
				RZ_LOG_ERROR("core: Invalid keyword\n");
				break;
			}
		}
		rz_search_begin(core->search);
		dosearch = true;
		break;
	case 'e': // "/e" match regexp
		if (input[1] == '?') {
			RZ_LOG_ERROR("core: Usage: /e /foo/i or /e/foo/i\n");
		} else if (input[1]) {
			RzSearchKeyword *kw;
			kw = rz_search_keyword_new_regexp(input + 1, NULL);
			if (!kw) {
				RZ_LOG_ERROR("core: Invalid regexp specified\n");
				break;
			}
			rz_search_reset(core->search, RZ_SEARCH_REGEXP);
			// TODO distance is unused
			rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
			rz_search_kw_add(core->search, kw);
			rz_search_begin(core->search);
			dosearch = true;
		} else {
			RZ_LOG_ERROR("core: Missing regex\n");
		}
		break;
	case 'E': // "/E"
		if (core->bin && core->bin->is_debugger) {
			rz_debug_map_sync(core->dbg);
		}
		do_esil_search(core, &param, input);
		goto beach;
	case 'd': // "/d" search delta key
		if (input[1]) {
			rz_search_reset(core->search, RZ_SEARCH_DELTAKEY);
			rz_search_kw_add(core->search,
				rz_search_keyword_new_hexmask(input + param_offset, NULL));
			rz_search_begin(core->search);
			dosearch = true;
		} else {
			RZ_LOG_ERROR("core: Missing delta\n");
		}
		break;
	case 'h': // "/h"
	{
		char *p, *arg = rz_str_trim_dup(input + 1);
		p = strchr(arg, ' ');
		if (p) {
			*p++ = 0;
			if (*arg == '?') {
				RZ_LOG_ERROR("core: Usage: /h md5 [hash] [datalen]\n");
			} else {
				ut32 min = UT32_MAX;
				ut32 max = UT32_MAX;
				char *pmax, *pmin = strchr(p, ' ');
				if (pmin) {
					*pmin++ = 0;
					pmax = strchr(pmin, ' ');
					if (pmax) {
						*pmax++ = 0;
						max = rz_num_math(core->num, pmax);
					}
					min = rz_num_math(core->num, pmin);
				}
				search_hash(core, arg, p, min, max, &param);
			}
		} else {
			RZ_LOG_ERROR("core: Missing hash. See ph?\n");
		}
		free(arg);
	} break;
	case 'f': // "/f" forward search
		if (core->offset) {
			RzInterval itv = { core->offset, -core->offset };
			if (!rz_itv_overlap(search_itv, itv)) {
				ret = false;
				goto beach;
			} else {
				search_itv = rz_itv_intersect(search_itv, itv);
			}
		}
		break;
	case 'g': // "/g" graph search
		if (input[1] == '?') {
			rz_cons_printf("Usage: /g[g] [fromaddr] @ [toaddr]\n");
			rz_cons_printf("(find all graph paths A to B (/gg follow jumps, see search.count and analysis.depth)");
		} else {
			ut64 addr = UT64_MAX;
			if (input[1]) {
				addr = rz_num_math(core->num, input + 2);
			} else {
				RzAnalysisFunction *fcn = rz_analysis_get_function_at(core->analysis, addr);
				if (fcn) {
					addr = fcn->addr;
				} else {
					addr = core->offset;
				}
			}
			const int depth = rz_config_get_i(core->config, "analysis.depth");
			// Va;ifate input length
			if (input[1] != '\0') {
				rz_core_analysis_paths(core, addr, core->offset, input[1] == 'g', depth, (input[1] == 'j' || input[2] == 'j'));
			}
		}
		break;
	case 'F': // "/F" search file /F [file] ([offset] ([sz]))
		if (input[param_offset - 1] == ' ') {
			int n_args;
			char **args = rz_str_argv(input + param_offset, &n_args);
			ut8 *buf = NULL;
			ut64 offset = 0;
			size_t size;
			buf = (ut8 *)rz_file_slurp(args[0], &size);
			if (!buf) {
				RZ_LOG_ERROR("core: Cannot open '%s'\n", args[0]);
				rz_str_argv_free(args);
				break;
			}
			if (n_args > 1) {
				offset = rz_num_math(core->num, args[1]);
				if (size <= offset) {
					RZ_LOG_ERROR("core: size <= offset\n");
					rz_str_argv_free(args);
					free(buf);
					break;
				}
			}
			if (n_args > 2) {
				len = rz_num_math(core->num, args[2]);
				if (len > size - offset) {
					RZ_LOG_ERROR("core: len too large\n");
					rz_str_argv_free(args);
					free(buf);
					break;
				}
			} else {
				len = size - offset;
			}
			RzSearchKeyword *kw;
			rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
			rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
			kw = rz_search_keyword_new(buf + offset, len, NULL, 0, NULL);
			if (kw) {
				rz_search_kw_add(core->search, kw);
				// eprintf ("Searching %d byte(s)...\n", kw->keyword_length);
				rz_search_begin(core->search);
				dosearch = true;
			} else {
				RZ_LOG_ERROR("core: no keyword\n");
			}

			rz_str_argv_free(args);
			free(buf);
		} else {
			RZ_LOG_ERROR("core: Usage: /F[j] [file] ([offset] ([sz]))\n");
		}
		break;
	case 'x': // "/x" search hex
		if (input[1] == '?') {
			rz_core_cmd_help(core, help_msg_slash_x);
		} else {
			RzSearchKeyword *kw;
			char *s, *p = strdup(input + param_offset);
			rz_search_reset(core->search, RZ_SEARCH_KEYWORD);
			rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
			s = strchr(p, ':');
			if (s) {
				*s++ = 0;
				kw = rz_search_keyword_new_hex(p, s, NULL);
			} else {
				kw = rz_search_keyword_new_hexmask(p, NULL);
			}
			if (kw) {
				rz_search_kw_add(core->search, kw);
				// eprintf ("Searching %d byte(s)...\n", kw->keyword_length);
				rz_search_begin(core->search);
				dosearch = true;
			} else {
				RZ_LOG_ERROR("core: no keyword\n");
			}
			free(p);
		}
		break;
	case 's': // "/s"
		do_section_search(core, &param, input + 1);
		break;
	case '+': // "/+"
		if (input[1] == ' ') {
			// TODO: support /+j
			char *buf = malloc(strlen(input) * 2);
			char *str = strdup(input + 2);
			int ochunksize;
			int i, len, chunksize = rz_config_get_i(core->config, "search.chunk");
			if (chunksize < 1) {
				chunksize = core->rasm->bits / 8;
			}
			len = rz_str_unescape(str);
			ochunksize = chunksize = RZ_MIN(len, chunksize);
			RZ_LOG_ERROR("core: Using chunksize: %d\n", chunksize);
			core->in_search = false;
			for (i = 0; i < len; i += chunksize) {
				chunksize = ochunksize;
			again:
				rz_hex_bin2str((ut8 *)str + i, RZ_MIN(chunksize, len - i), buf);
				RZ_LOG_ERROR("core: /x %s\n", buf);
				rz_core_cmdf(core, "/x %s", buf);
				if (core->num->value == 0) {
					chunksize--;
					if (chunksize < 1) {
						RZ_LOG_ERROR("core: Oops\n");
						free(buf);
						free(str);
						goto beach;
					}
					RZ_LOG_ERROR("core: Repeat with chunk size %d\n", chunksize);
					goto again;
				}
			}
			free(str);
			free(buf);
		} else {
			RZ_LOG_ERROR("core: Usage: /+ [string]\n");
		}
		break;
	case 'z': // "/z" search strings of min-max range
	{
		char *p;
		ut32 min, max;
		if (!input[1]) {
			RZ_LOG_ERROR("core: Usage: /z min max\n");
			break;
		}
		if ((p = strchr(input + 2, ' '))) {
			*p = 0;
			max = rz_num_math(core->num, p + 1);
		} else {
			RZ_LOG_ERROR("core: Usage: /z min max\n");
			break;
		}
		min = rz_num_math(core->num, input + 2);
		if (!rz_search_set_string_limits(core->search, min, max)) {
			RZ_LOG_ERROR("core: min must be lower than max\n");
			break;
		}
		rz_search_reset(core->search, RZ_SEARCH_STRING);
		rz_search_set_distance(core->search, (int)rz_config_get_i(core->config, "search.distance"));
		{
			RzSearchKeyword *kw = rz_search_keyword_new_hexmask("00", NULL);
			kw->type = RZ_SEARCH_KEYWORD_TYPE_STRING;
			rz_search_kw_add(search, kw);
		}
		rz_search_begin(search);
		dosearch = true;
	} break;
	case '?': // "/?"
		rz_core_cmd_help(core, help_msg_slash);
		break;
	default:
		RZ_LOG_ERROR("core: See /? for help.\n");
		break;
	}
	rz_config_set_i(core->config, "search.kwidx", search->n_kws);
	if (dosearch) {
		do_string_search(core, search_itv, &param);
	}
beach:
	core->num->value = search->nhits;
	core->in_search = false;
	rz_flag_space_pop(core->flags);
	if (param.outmode == RZ_MODE_JSON) {
		rz_cons_println(pj_string(param.pj));
	}
	pj_free(param.pj);
	rz_list_free(param.boundaries);
	rz_search_kw_reset(search);
	return ret;
}