mirror of
https://github.com/radareorg/radare2.git
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1588 lines
41 KiB
C
1588 lines
41 KiB
C
/* radare - LGPL - Copyright 2009-2018 - pancake */
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#include "r_crypto.h"
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#include "r_config.h"
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#include "r_cons.h"
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#include "r_core.h"
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#include "r_io.h"
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static const char *help_msg_w[] = {
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"Usage:","w[x] [str] [<file] [<<EOF] [@addr]","",
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"w","[1248][+-][n]","increment/decrement byte,word..",
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"w"," foobar","write string 'foobar'",
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"w0"," [len]","write 'len' bytes with value 0x00",
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"w6","[de] base64/hex","write base64 [d]ecoded or [e]ncoded string",
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"wa","[?] push ebp","write opcode, separated by ';' (use '\"' around the command)",
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"waf"," f.asm","assemble file and write bytes",
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"wao","[?] op","modify opcode (change conditional of jump. nop, etc)",
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"wA","[?] r 0","alter/modify opcode at current seek (see wA?)",
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"wb"," 010203","fill current block with cyclic hexpairs",
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"wB","[-]0xVALUE","set or unset bits with given value",
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"wc","","list all write changes",
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"wc","[?][jir+-*?]","write cache undo/commit/reset/list (io.cache)",
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"wd"," [off] [n]","duplicate N bytes from offset at current seek (memcpy) (see y?)",
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"we","[?] [nNsxX] [arg]","extend write operations (insert instead of replace)",
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"wf","[fs] -|file","write contents of file at current offset",
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"wh"," r2","whereis/which shell command",
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"wm"," f0ff","set binary mask hexpair to be used as cyclic write mask",
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"wo","[?] hex","write in block with operation. 'wo?' fmi",
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"wp","[?] -|file","apply radare patch file. See wp? fmi",
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"wr"," 10","write 10 random bytes",
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"ws"," pstring","write 1 byte for length and then the string",
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"wt[f]","[?] file [sz]","write to file (from current seek, blocksize or sz bytes)",
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"wts"," host:port [sz]", "send data to remote host:port via tcp://",
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"ww"," foobar","write wide string 'f\\x00o\\x00o\\x00b\\x00a\\x00r\\x00'",
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"wx","[?][fs] 9090","write two intel nops (from wxfile or wxseek)",
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"wv","[?] eip+34","write 32-64 bit value honoring cfg.bigendian",
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"wz"," string","write zero terminated string (like w + \\x00)",
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NULL
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};
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static const char *help_msg_wa[] = {
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"Usage:", "wa[of*] [arg]", "",
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"wa", " nop", "write nopcode using asm.arch and asm.bits",
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"wa*", " mov eax, 33", "show 'wx' op with hexpair bytes of assembled opcode",
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"\"wa nop;nop\"", "" , "assemble more than one instruction (note the quotes)",
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"waf", " f.asm" , "assemble file and write bytes",
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"wao?", "", "show help for assembler operation on current opcode (hack)",
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NULL
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};
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static const char *help_msg_wA[] = {
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"Usage:", " wA", "[type] [value]",
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"Types", "", "",
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"r", "", "raw write value",
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"v", "", "set value (taking care of current address)",
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"d", "", "destination register",
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"0", "", "1st src register",
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"1", "", "2nd src register",
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"Example:", "wA r 0", "# e800000000",
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NULL
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};
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static const char *help_msg_wc[] = {
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"Usage:", "wc[jir+-*?]"," # NOTE: Uses io.cache=true",
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"wc","","list all write changes",
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"wcj","","list all write changes in JSON",
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"wc-"," [from] [to]","remove write op at curseek or given addr",
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"wc+"," [from] [to]","commit change from cache to io",
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"wc*","","\"\" in radare commands",
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"wcr","","reset all write changes in cache",
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"wci","","commit write cache",
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"wcp"," [fd]", "list all cached write-operations on p-layer for specified fd or current fd",
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"wcp*"," [fd]","list all cached write-operations on p-layer in radare commands",
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"wcpi"," [fd]", "commit and invalidate pcache for specified fd or current fd",
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NULL
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};
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static const char *help_msg_we[] = {
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"Usage", "", "write extend",
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"wen", " <num>", "insert num null bytes at current offset",
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"weN", " <addr> <len>", "insert bytes at address",
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"wes", " <addr> <dist> <block_size>", "shift a blocksize left or write in the editor",
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"wex", " <hex_bytes>", "insert bytes at current offset",
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"weX", " <addr> <hex_bytes>", "insert bytes at address",
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NULL
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};
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static const char *help_msg_wo[] = {
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"Usage:","wo[asmdxoArl24]"," [hexpairs] @ addr[!bsize]",
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"wo[24aAdlmorwx]","", "without hexpair values, clipboard is used",
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"wo2"," [val]","2= 2 byte endian swap",
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"wo4"," [val]", "4= 4 byte endian swap",
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"woa"," [val]", "+= addition (f.ex: woa 0102)",
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"woA"," [val]","&= and",
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"wod"," [val]", "/= divide",
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"woD","[algo] [key] [IV]","decrypt current block with given algo and key",
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"woe"," [from to] [step] [wsz=1]",".. create sequence",
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"woE"," [algo] [key] [IV]", "encrypt current block with given algo and key",
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"wol"," [val]","<<= shift left",
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"wom"," [val]", "*= multiply",
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"woo"," [val]","|= or",
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"wop[DO]"," [arg]","De Bruijn Patterns",
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"wor"," [val]", ">>= shift right",
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"woR","","random bytes (alias for 'wr $b')",
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"wos"," [val]", "-= substraction",
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"wow"," [val]", "== write looped value (alias for 'wb')",
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"wox"," [val]","^= xor (f.ex: wox 0x90)",
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NULL
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};
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static const char *help_msg_wop[] = {
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"Usage:","wop[DO]"," len @ addr | value",
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"wopD"," len [@ addr]","Write a De Bruijn Pattern of length 'len' at address 'addr'",
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"wopD*"," len [@ addr]","Show wx command that creates a debruijn pattern of a specific length",
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"wopO"," value", "Finds the given value into a De Bruijn Pattern at current offset",
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NULL
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};
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// TODO
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static const char *help_msg_wp[] = {
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"Usage:", "wp", "[-|r2patch-file]",
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"^#", "", "comments",
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".", "", "execute command",
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"!", "", "execute command",
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"", "", "OFFSET { code block }",
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"", "", "OFFSET \"string\"",
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"", "", "OFFSET 01020304",
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"", "", "OFFSET : assembly",
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"", "", "+ {code}|\"str\"|0210|: asm",
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NULL
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};
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static const char *help_msg_wt[] = {
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"Usage:", "wt[a] file [size]", " Write 'size' bytes in current block to 'file'",
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"wta", " [filename]", "append to 'filename'",
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"wtf", " [filename] [size]", "write to file (see also 'wxf' and 'wf?')",
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"wtf!", " [filename]", "write to file from current address to eof",
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"wtff", " [prefix]", "write block from current seek to [prefix]-[offset]",
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"wts"," host:port [sz]", "send data to remote host:port via tcp://",
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NULL
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};
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static const char *help_msg_wf[] = {
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"Usage:", "wf[fs] [-|args ..]", " Write from (file, swap, offset)",
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"wf", " 10 20", "write 20 bytes from offset 10 into current seek",
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"wff", " file [len]", "write contents of file into current offset",
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"wfs", " 10 20", "swap 20 bytes betweet current offset and 10",
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NULL
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};
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static const char *help_msg_wv[] = {
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"Usage:", "wv[size] [value]", " Write value of given size",
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"wv", " 0x834002", "write dword with this value",
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"wv1", " 234", "write one byte with this value",
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"Supported sizes are:", "1, 2, 4, 8", "",
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NULL
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};
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static const char *help_msg_wx[] = {
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"Usage:", "wx[f] [arg]", "",
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"wx", " 9090", "write two intel nops",
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"wxf", " -|file", "write contents of hexpairs file here",
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"wxs", " 9090", "write hexpairs and seek at the end",
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NULL
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};
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static void cmd_write_init(RCore *core) {
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DEFINE_CMD_DESCRIPTOR (core, w);
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DEFINE_CMD_DESCRIPTOR (core, wa);
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DEFINE_CMD_DESCRIPTOR (core, wA);
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DEFINE_CMD_DESCRIPTOR (core, wc);
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DEFINE_CMD_DESCRIPTOR (core, we);
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DEFINE_CMD_DESCRIPTOR (core, wo);
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DEFINE_CMD_DESCRIPTOR (core, wop);
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DEFINE_CMD_DESCRIPTOR (core, wp);
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DEFINE_CMD_DESCRIPTOR (core, wt);
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DEFINE_CMD_DESCRIPTOR (core, wv);
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DEFINE_CMD_DESCRIPTOR (core, wx);
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}
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static void cmd_write_fail() {
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eprintf ("Failed to write\n");
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}
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R_API int cmd_write_hexpair(RCore* core, const char* pairs) {
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ut8 *buf = malloc (strlen (pairs) + 1);
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int len = r_hex_str2bin (pairs, buf);
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if (len != 0) {
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if (len < 0) {
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len = -len;
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if (len < core->blocksize) {
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buf[len-1] |= core->block[len-1] & 0xf;
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}
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}
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if (!r_core_write_at (core, core->offset, buf, len)) {
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cmd_write_fail ();
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}
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if (r_config_get_i (core->config, "cfg.wseek")) {
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r_core_seek_delta (core, len);
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}
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r_core_block_read (core);
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} else {
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eprintf ("Error: invalid hexpair string\n");
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}
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free (buf);
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return len;
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}
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static bool encrypt_or_decrypt_block(RCore *core, const char *algo, const char *key, int direction, const char *iv) {
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//TODO: generalise no_key_mode for all non key encoding/decoding.
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int keylen = 0;
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bool no_key_mode = !strcmp ("base64", algo) || !strcmp ("base91", algo) || !strcmp ("punycode", algo);
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ut8 *binkey = NULL;
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if (!strncmp (key, "s:", 2)) {
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binkey = (ut8*)strdup (key + 2);
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keylen = strlen (key + 2);
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} else {
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binkey = (ut8 *)strdup (key);
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keylen = r_hex_str2bin (key, binkey);
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}
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if (!no_key_mode && keylen < 1) {
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eprintf ("%s key not defined. Use -S [key]\n", ((!direction) ? "Encryption" : "Decryption"));
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return false;
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}
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RCrypto *cry = r_crypto_new ();
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if (r_crypto_use (cry, algo)) {
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if (!binkey) {
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eprintf ("Cannot allocate %d byte(s)\n", keylen);
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r_crypto_free (cry);
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return false;
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}
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if (r_crypto_set_key (cry, binkey, keylen, 0, direction)) {
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if (iv) {
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ut8 *biniv = malloc (strlen (iv) + 1);
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int ivlen = r_hex_str2bin (iv, biniv);
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if (ivlen < 1) {
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ivlen = strlen(iv);
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strcpy ((char *)biniv, iv);
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}
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if (!r_crypto_set_iv (cry, biniv, ivlen)) {
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eprintf ("Invalid IV.\n");
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return 0;
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}
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}
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r_crypto_update (cry, (const ut8*)core->block, core->blocksize);
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r_crypto_final (cry, NULL, 0);
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int result_size = 0;
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ut8 *result = r_crypto_get_output (cry, &result_size);
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if (result) {
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r_io_write_at (core->io, core->offset, result, result_size);
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eprintf ("Written %d byte(s)\n", result_size);
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free (result);
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}
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} else {
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eprintf ("Invalid key\n");
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}
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free (binkey);
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r_crypto_free (cry);
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return 0;
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} else {
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eprintf ("Unknown %s algorithm '%s'\n", ((!direction) ? "encryption" : "decryption") ,algo);
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}
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r_crypto_free (cry);
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return 1;
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}
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static void cmd_write_bits(RCore *core, int set, ut64 val) {
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ut64 ret, orig;
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// used to set/unset bit in current address
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r_io_read_at (core->io, core->offset, (ut8*)&orig, sizeof (orig));
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if (set) {
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ret = orig | val;
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} else {
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ret = orig & (~(val));
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}
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if (!r_core_write_at (core, core->offset, (const ut8*)&ret, sizeof (ret))) {
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cmd_write_fail ();
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}
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}
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static void cmd_write_inc(RCore *core, int size, st64 num) {
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ut64 *v64;
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ut32 *v32;
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ut16 *v16;
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ut8 *v8;
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switch (size) {
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case 1: v8 = (ut8*)core->block; *v8 += num; break;
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case 2: v16 = (ut16*)core->block; *v16 += num; break;
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case 4: v32 = (ut32*)core->block; *v32 += num; break;
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case 8: v64 = (ut64*)core->block; *v64 += num; break;
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}
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// TODO: obey endian here
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r_core_write_at (core, core->offset, core->block, size);
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}
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static void cmd_write_op (RCore *core, const char *input) {
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ut8 *buf;
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int len;
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int value;
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if (!input[0])
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return;
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switch (input[1]) {
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case 'e':
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if (input[2]!=' ') {
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r_cons_printf ("Usage: 'woe from-to step'\n");
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return;
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}
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/* fallthru */
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case 'a':
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case 's':
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case 'A':
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case 'x':
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case 'r':
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case 'l':
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case 'm':
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case 'd':
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case 'o':
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case 'w':
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case '2':
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case '4':
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if (input[2]) { // parse val from arg
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r_core_write_op (core, input+3, input[1]);
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r_core_block_read (core);
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} else { // use clipboard instead of val
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r_core_write_op (core, NULL, input[1]);
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r_core_block_read (core);
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}
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break;
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case 'R':
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r_core_cmd0 (core, "wr $b");
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break;
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case 'n':
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r_core_write_op (core, "ff", 'x');
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r_core_block_read (core);
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break;
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case 'E': // "woE" encrypt
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case 'D': // "woD" decrypt
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{
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int direction = (input[1] == 'E') ? 0 : 1;
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const char *algo = NULL;
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const char *key = NULL;
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const char *iv = NULL;
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char *space, *args = strdup (r_str_trim_ro (input+2));
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space = strchr (args, ' ');
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if (space) {
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*space++ = 0;
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key = space;
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space = strchr (key, ' ');
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if (space) {
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*space++ = 0;
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iv = space;
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}
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}
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algo = args;
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if (algo && *algo && key) {
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encrypt_or_decrypt_block (core, algo, key, direction, iv);
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} else {
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eprintf ("Usage: wo%c [algo] [key] [IV]\n", ((!direction)?'E':'D'));
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eprintf ("Currently supported hashes:\n");
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ut64 bits;
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int i;
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for (i = 0; ; i++) {
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bits = ((ut64)1) << i;
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const char *name = r_hash_name (bits);
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if (!name || !*name) break;
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printf (" %s\n", name);
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}
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eprintf ("Available Encoders/Decoders: \n");
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// TODO: do not hardcode
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eprintf (" base64\n");
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eprintf (" base91\n");
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eprintf (" punycode\n");
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eprintf ("Currently supported crypto algos:\n");
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for (i = 0; ; i++) {
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bits = ((ut64)1) << i;
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const char *name = r_crypto_name (bits);
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if (!name || !*name) break;
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printf (" %s\n", name);
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}
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}
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free (args);
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}
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break;
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case 'p': // debrujin patterns
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switch (input[2]) {
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case 'D': // "wopD"
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len = (int)(input[3]==' ')
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? r_num_math (core->num, input + 3)
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: core->blocksize;
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if (len > 0) {
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/* XXX This seems to fail at generating long patterns (wopD 512K) */
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buf = (ut8*)r_debruijn_pattern (len, 0, NULL); //debruijn_charset);
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if (buf) {
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const ut8 *ptr = buf;
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ut64 addr = core->offset;
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if (input[3] == '*') {
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int i;
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r_cons_printf ("wx ");
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for (i = 0; i < len; i++) {
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r_cons_printf ("%02x", buf[i]);
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}
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r_cons_newline ();
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} else {
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while (true) {
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int res = r_core_write_at (core, addr, ptr, len);
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if (res < 1 || len == res) {
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break;
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}
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if (res < len) {
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ptr += res;
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len -= res;
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addr += res;
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}
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}
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}
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free (buf);
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} else {
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eprintf ("Couldn't generate pattern of length %d\n", len);
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}
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}
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break;
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case 'O': // "wopO"
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if (strlen (input) > 4 && strncmp (input + 4, "0x", 2)) {
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eprintf ("Need hex value with `0x' prefix e.g. 0x41414142\n");
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} else if (input[3] == ' ') {
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value = r_num_get (core->num, input + 4);
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core->num->value = r_debruijn_offset (value, r_config_get_i (core->config, "cfg.bigendian"));
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r_cons_printf ("%"PFMT64d"\n", core->num->value);
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}
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break;
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case '\0':
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case '?':
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default:
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r_core_cmd_help (core, help_msg_wop);
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break;
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}
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break;
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case '\0':
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case '?':
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default:
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r_core_cmd_help (core, help_msg_wo);
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break;
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}
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}
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|
|
#define WSEEK(x,y) if (wseek)r_core_seek_delta (x,y)
|
|
static void cmd_write_value (RCore *core, const char *input) {
|
|
int type = 0;
|
|
ut64 off = 0LL;
|
|
ut8 buf[sizeof(ut64)];
|
|
int wseek = r_config_get_i (core->config, "cfg.wseek");
|
|
bool be = r_config_get_i (core->config, "cfg.bigendian");
|
|
|
|
if (!input)
|
|
return;
|
|
|
|
if (input[0])
|
|
switch (input[1]) {
|
|
case '?':
|
|
r_core_cmd_help (core, help_msg_wv);
|
|
return;
|
|
case '1': type = 1; break;
|
|
case '2': type = 2; break;
|
|
case '4': type = 4; break;
|
|
case '8': type = 8; break;
|
|
}
|
|
if (input && input[0] && input[1] && input[2]) {
|
|
off = r_num_math (core->num, input+2);
|
|
}
|
|
if (core->file) {
|
|
r_io_use_fd (core->io, core->file->fd);
|
|
}
|
|
ut64 res = r_io_seek (core->io, core->offset, R_IO_SEEK_SET);
|
|
if (res == UT64_MAX) return;
|
|
if (type == 0)
|
|
type = (off&UT64_32U)? 8: 4;
|
|
switch (type) {
|
|
case 1:
|
|
r_write_ble8 (buf, (ut8)(off & UT8_MAX));
|
|
if (!r_io_write (core->io, buf, 1)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, 1);
|
|
}
|
|
break;
|
|
case 2:
|
|
r_write_ble16 (buf, (ut16)(off & UT16_MAX), be);
|
|
if (!r_io_write (core->io, buf, 2)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, 2);
|
|
}
|
|
break;
|
|
case 4:
|
|
r_write_ble32 (buf, (ut32)(off & UT32_MAX), be);
|
|
if (!r_io_write (core->io, buf, 4)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, 4);
|
|
}
|
|
break;
|
|
case 8:
|
|
r_write_ble64 (buf, off, be);
|
|
if (!r_io_write (core->io, buf, 8)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, 8);
|
|
}
|
|
break;
|
|
}
|
|
r_core_block_read (core);
|
|
}
|
|
|
|
static bool cmd_wff(RCore *core, const char *input) {
|
|
ut8 *buf;
|
|
int size;
|
|
// XXX: file names cannot contain spaces
|
|
const char *arg = input + ((input[1] == ' ') ? 2 : 1);
|
|
int wseek = r_config_get_i (core->config, "cfg.wseek");
|
|
char *p, *a = r_str_trim (strdup (arg));
|
|
p = strchr (a, ' ');
|
|
if (p) {
|
|
*p++ = 0;
|
|
}
|
|
|
|
if (*arg =='?' || !*arg) {
|
|
eprintf ("Usage: wf [file] ([size] ([offset]))\n");
|
|
}
|
|
if (!strcmp (arg, "-")) {
|
|
char *out = r_core_editor (core, NULL, NULL);
|
|
if (out) {
|
|
r_io_write_at (core->io, core->offset,
|
|
(ut8*)out, strlen (out));
|
|
r_core_block_read (core);
|
|
free (out);
|
|
}
|
|
}
|
|
if ((buf = (ut8*) r_file_slurp (a, &size))) {
|
|
int u_offset = 0;
|
|
int u_size = r_num_math (core->num, p);
|
|
if (u_size < 1) u_size = size;
|
|
if (p) {
|
|
*p++ = 0;
|
|
u_offset = r_num_math (core->num, p);
|
|
if (u_offset > size) {
|
|
eprintf ("Invalid offset\n");
|
|
free (buf);
|
|
return false;
|
|
}
|
|
}
|
|
r_io_use_fd (core->io, core->file->fd);
|
|
r_io_write_at (core->io, core->offset, buf + u_offset, u_size);
|
|
WSEEK (core, size);
|
|
free (buf);
|
|
r_core_block_read (core);
|
|
} else {
|
|
eprintf ("Cannot open file '%s'\n", arg);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool ioMemcpy (RCore *core, ut64 dst, ut64 src, int len) {
|
|
bool ret = false;
|
|
if (len > 0) {
|
|
ut8 * buf = calloc (1, len);
|
|
if (buf) {
|
|
if (r_io_read_at (core->io, src, buf, len)) {
|
|
if (r_io_write_at (core->io, dst, buf, len)) {
|
|
r_core_block_read (core);
|
|
ret = true;
|
|
} else {
|
|
eprintf ("r_io_write_at failed at 0x%08"PFMT64x"\n", dst);
|
|
}
|
|
} else {
|
|
eprintf ("r_io_read_at failed at 0x%08"PFMT64x"\n", src);
|
|
}
|
|
free (buf);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static bool cmd_wfs(RCore *core, const char *input) {
|
|
char * args = r_str_trim (strdup (input + 1));
|
|
char *arg = strchr (args, ' ');
|
|
int len = core->blocksize;
|
|
if (arg) {
|
|
*arg = 0;
|
|
len = r_num_math (core->num, arg + 1);
|
|
}
|
|
ut64 dst = core->offset;
|
|
ut64 src = r_num_math (core->num, args);
|
|
if (len > 0) {
|
|
// cache dest, memcpy, write cache
|
|
ut8 *buf = calloc (1, len);
|
|
if (buf) {
|
|
if (r_io_read_at (core->io, dst, buf, len)) {
|
|
ioMemcpy (core, core->offset, src, len);
|
|
if (r_io_write_at (core->io, src, buf, len)) {
|
|
r_core_block_read (core);
|
|
} else {
|
|
eprintf ("Failed to write at 0x%08"PFMT64x"\n", src);
|
|
}
|
|
} else {
|
|
eprintf ("cmd_wfs: failed to read at 0x%08"PFMT64x"\n", dst);
|
|
}
|
|
free (buf);
|
|
}
|
|
}
|
|
free (args);
|
|
return true;
|
|
}
|
|
|
|
static bool cmd_wf(RCore *core, const char *input) {
|
|
if (!core || !*input) {
|
|
return false;
|
|
}
|
|
if (input[1] == '?') {
|
|
eprintf ("Usage: wf [file] ([size] ([offset]))\n");
|
|
r_core_cmd_help (core, help_msg_wf);
|
|
return false;
|
|
}
|
|
if (input[1] == 's') { // "wfs"
|
|
return cmd_wfs (core, input + 1);
|
|
}
|
|
if (input[1] == 'f') { // "wff"
|
|
return cmd_wff (core, input + 1);
|
|
}
|
|
char *args = r_str_trim (strdup (input + 1));
|
|
char *arg = strchr (args, ' ');
|
|
int len = core->blocksize;
|
|
if (arg) {
|
|
*arg++ = 0;
|
|
len = r_num_math (core->num, arg);
|
|
}
|
|
ut64 addr = r_num_math (core->num, args);
|
|
ioMemcpy (core, core->offset, addr, len);
|
|
free (args);
|
|
r_core_block_read (core);
|
|
return true;
|
|
}
|
|
|
|
static void cmd_write_pcache(RCore *core, const char *input) {
|
|
RIODesc *desc;
|
|
RIOCache *c;
|
|
RList *caches;
|
|
RListIter *iter;
|
|
int fd, i;
|
|
bool rad = false;
|
|
if (core && core->io && core->io->p_cache && core->print && core->print->cb_printf) {
|
|
switch (input[0]) {
|
|
case 'i' :
|
|
if (input[1]) {
|
|
fd = (int)r_num_math (core->num, input + 1);
|
|
desc = r_io_desc_get (core->io, fd);
|
|
} else {
|
|
desc = core->io->desc;
|
|
}
|
|
r_io_desc_cache_commit (desc);
|
|
break;
|
|
case '*':
|
|
rad = true;
|
|
case ' ': //fall-o-through
|
|
case '\0':
|
|
if (input[0] && input[1]) {
|
|
fd = (int)r_num_math (core->num, input + 1);
|
|
desc = r_io_desc_get (core->io, fd);
|
|
} else {
|
|
desc = core->io->desc;
|
|
}
|
|
if ((caches = r_io_desc_cache_list (desc))) {
|
|
if (rad) {
|
|
core->print->cb_printf ("e io.va = false\n");
|
|
r_list_foreach (caches, iter, c) {
|
|
core->print->cb_printf ("wx %02x", c->data[0]);
|
|
const int cacheSize = r_itv_size (c->itv);
|
|
for (i = 1; i < cacheSize; i++) {
|
|
core->print->cb_printf ("%02x", c->data[i]);
|
|
}
|
|
core->print->cb_printf (" @ 0x%08"PFMT64x" \n", r_itv_begin (c->itv));
|
|
}
|
|
} else {
|
|
r_list_foreach (caches, iter, c) {
|
|
core->print->cb_printf ("0x%08"PFMT64x": %02x",
|
|
r_itv_begin (c->itv), c->odata[0]);
|
|
const int cacheSize = r_itv_size (c->itv);
|
|
for (i = 1; i < cacheSize; i++) {
|
|
core->print->cb_printf ("%02x", c->odata[i]);
|
|
}
|
|
core->print->cb_printf (" -> %02x", c->data[0]);
|
|
for (i = 1; i < cacheSize; i++) {
|
|
core->print->cb_printf ("%02x", c->data[i]);
|
|
}
|
|
core->print->cb_printf ("\n");
|
|
}
|
|
}
|
|
r_list_free (caches);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* TODO: simplify using r_write */
|
|
static int cmd_write(void *data, const char *input) {
|
|
int wseek, i, size, len;
|
|
RCore *core = (RCore *)data;
|
|
char *tmp, *str, *ostr;
|
|
const char *arg, *filename = "";
|
|
char _fn[32];
|
|
ut64 off;
|
|
ut8 *buf;
|
|
st64 num = 0;
|
|
|
|
if (!input) {
|
|
return 0;
|
|
}
|
|
|
|
len = strlen (input);
|
|
wseek = r_config_get_i (core->config, "cfg.wseek");
|
|
str = ostr = strdup (*input? input + 1: "");
|
|
_fn[0] = 0;
|
|
|
|
switch (*input) {
|
|
case 'B': // "wB"
|
|
switch (input[1]) {
|
|
case ' ':
|
|
cmd_write_bits (core, 1, r_num_math (core->num, input + 2));
|
|
break;
|
|
case '-':
|
|
cmd_write_bits (core, 0, r_num_math (core->num, input + 2));
|
|
break;
|
|
default:
|
|
eprintf ("Usage: wB 0x2000 # or wB-0x2000\n");
|
|
break;
|
|
}
|
|
break;
|
|
case '0': // "w0"
|
|
{
|
|
ut64 len = r_num_math (core->num, input+1);
|
|
if (len>0) {
|
|
ut8 *buf = calloc (1, len);
|
|
if (buf) {
|
|
r_io_write_at (core->io, core->offset, buf, len);
|
|
r_core_block_read (core);
|
|
free (buf);
|
|
} else eprintf ("Cannot allocate %d byte(s)\n", (int)len);
|
|
}
|
|
}
|
|
break;
|
|
case '1': // "w1"
|
|
case '2': // "w2"
|
|
case '4': // "w4"
|
|
case '8': // "w8"
|
|
if (input[1] && input[2]) {
|
|
if (input[1]==input[2]) {
|
|
num = 1;
|
|
} else num = r_num_math (core->num, input+2);
|
|
}
|
|
switch (input[2] ? input[1] : 0) {
|
|
case '+':
|
|
cmd_write_inc (core, *input-'0', num);
|
|
break;
|
|
case '-':
|
|
cmd_write_inc (core, *input-'0', -num);
|
|
break;
|
|
default:
|
|
eprintf ("Usage: w[1248][+-][num] # inc/dec byte/word/..\n");
|
|
}
|
|
break;
|
|
case '6': // "w6"
|
|
{
|
|
int fail = 0;
|
|
ut8 *buf = NULL;
|
|
int len = 0, str_len;
|
|
const char *str;
|
|
|
|
if (input[1] && input[2] != ' ')
|
|
fail = 1;
|
|
|
|
if (input[1] && input[2] && input[3])
|
|
str = input + 3;
|
|
else
|
|
str = "";
|
|
str_len = strlen (str) + 1;
|
|
if (!fail) {
|
|
switch (input[1]) {
|
|
case 'd': // "w6d"
|
|
buf = malloc (str_len);
|
|
if (!buf) {
|
|
eprintf ("Error: failed to malloc memory");
|
|
break;
|
|
}
|
|
len = r_base64_decode (buf, str, -1);
|
|
if (len < 0) {
|
|
free (buf);
|
|
fail = 1;
|
|
}
|
|
break;
|
|
case 'e': { // "w6e"
|
|
ut8 *bin_buf = malloc (str_len);
|
|
if (!bin_buf) {
|
|
eprintf ("Error: failed to malloc memory");
|
|
break;
|
|
}
|
|
const int bin_len = r_hex_str2bin (str, bin_buf);
|
|
if (bin_len <= 0) {
|
|
fail = 1;
|
|
} else {
|
|
buf = calloc (str_len + 1, 4);
|
|
len = r_base64_encode ((char *)buf, bin_buf, bin_len);
|
|
if(len == 0) {
|
|
free (buf);
|
|
fail = 1;
|
|
}
|
|
}
|
|
free (bin_buf);
|
|
break;
|
|
}
|
|
default:
|
|
fail = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!fail) {
|
|
r_core_write_at (core, core->offset, buf, len);
|
|
WSEEK (core, len);
|
|
r_core_block_read (core);
|
|
free (buf);
|
|
} else {
|
|
eprintf ("Usage: w6[de] base64/hex\n");
|
|
}
|
|
break;
|
|
}
|
|
case 'h': // "wh"
|
|
{
|
|
char *p = strchr (input, ' ');
|
|
if (p) {
|
|
while (*p==' ') p++;
|
|
p = r_file_path (p);
|
|
if (p) {
|
|
r_cons_println (p);
|
|
free (p);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 'e': { // "we"
|
|
ut64 addr = 0, len = 0, b_size = 0;
|
|
st64 dist = 0;
|
|
ut8* bytes = NULL;
|
|
int cmd_suc = false;
|
|
char *input_shadow = NULL, *p = NULL;
|
|
|
|
switch (input[1]) {
|
|
case 'n': // "wen"
|
|
if (input[2] == ' ') {
|
|
len = *input ? r_num_math (core->num, input+3) : 0;
|
|
if (len > 0) {
|
|
const ut64 cur_off = core->offset;
|
|
cmd_suc = r_core_extend_at (core, core->offset, len);
|
|
core->offset = cur_off;
|
|
r_core_block_read (core);
|
|
}
|
|
}
|
|
break;
|
|
case 'N': // "weN"
|
|
if (input[2] == ' ') {
|
|
input += 3;
|
|
while (*input && *input == ' ') input++;
|
|
addr = r_num_math (core->num, input);
|
|
while (*input && *input != ' ') input++;
|
|
input++;
|
|
len = *input ? r_num_math (core->num, input) : 0;
|
|
if (len > 0){
|
|
ut64 cur_off = core->offset;
|
|
cmd_suc = r_core_extend_at (core, addr, len);
|
|
r_core_seek (core, cur_off, 1);
|
|
core->offset = addr;
|
|
r_core_block_read (core);
|
|
}
|
|
cmd_suc = true;
|
|
}
|
|
break;
|
|
case 'x': // "wex"
|
|
if (input[2] == ' ') {
|
|
input += 2;
|
|
len = *input ? strlen (input) : 0;
|
|
bytes = len > 1? malloc (len+1) : NULL;
|
|
len = bytes ? r_hex_str2bin (input, bytes) : 0;
|
|
if (len > 0) {
|
|
ut64 cur_off = core->offset;
|
|
cmd_suc = r_core_extend_at (core, cur_off, len);
|
|
if (cmd_suc) {
|
|
r_core_write_at (core, cur_off, bytes, len);
|
|
}
|
|
core->offset = cur_off;
|
|
r_core_block_read (core);
|
|
}
|
|
free (bytes);
|
|
}
|
|
break;
|
|
case 's': // "wes"
|
|
input += 3;
|
|
while (*input && *input == ' ') {
|
|
input++;
|
|
}
|
|
len = strlen (input);
|
|
|
|
// since the distance can be negative,
|
|
// the r_num_math will perform an unwanted operation
|
|
// the solution is to tokenize the string :/
|
|
if (len > 0) {
|
|
input_shadow = strdup (input);
|
|
p = strtok (input_shadow, " ");
|
|
addr = p && *p ? r_num_math (core->num, p) : 0;
|
|
|
|
p = strtok (NULL, " ");
|
|
dist = p && *p ? r_num_math (core->num, p) : 0;
|
|
|
|
p = strtok (NULL, " ");
|
|
b_size = p && *p ? r_num_math (core->num, p) : 0;
|
|
if (dist != 0){
|
|
r_core_shift_block (core, addr, b_size, dist);
|
|
r_core_seek (core, addr, 1);
|
|
cmd_suc = true;
|
|
}
|
|
}
|
|
free (input_shadow);
|
|
break;
|
|
case 'X': // "weX"
|
|
if (input[2] == ' ') {
|
|
addr = r_num_math (core->num, input+3);
|
|
input += 3;
|
|
while (*input && *input != ' ') input++;
|
|
input++;
|
|
len = *input ? strlen (input) : 0;
|
|
bytes = len > 1? malloc (len+1) : NULL;
|
|
len = bytes ? r_hex_str2bin (input, bytes) : 0;
|
|
if (len > 0) {
|
|
//ut64 cur_off = core->offset;
|
|
cmd_suc = r_core_extend_at (core, addr, len);
|
|
if (cmd_suc) {
|
|
r_core_write_at (core, addr, bytes, len);
|
|
}
|
|
core->offset = addr;
|
|
r_core_block_read (core);
|
|
}
|
|
free (bytes);
|
|
}
|
|
break;
|
|
case '?': // "we?"
|
|
default:
|
|
cmd_suc = false;
|
|
break;
|
|
}
|
|
if (cmd_suc == false) {
|
|
r_core_cmd_help (core, help_msg_we);
|
|
}
|
|
}
|
|
break;
|
|
case 'p': // "wp"
|
|
if (input[1]=='-' || (input[1]==' ' && input[2]=='-')) {
|
|
char *out = r_core_editor (core, NULL, NULL);
|
|
if (out) {
|
|
r_core_patch (core, out);
|
|
free (out);
|
|
}
|
|
} else {
|
|
if (input[1]==' ' && input[2]) {
|
|
char *data = r_file_slurp (input+2, NULL);
|
|
if (data) {
|
|
r_core_patch (core, data);
|
|
free (data);
|
|
}
|
|
} else {
|
|
r_core_cmd_help (core, help_msg_wp);
|
|
}
|
|
}
|
|
break;
|
|
case 'u': // "wu"
|
|
// TODO: implement it in an API RCore.write_unified_hexpatch() is ETOOLONG
|
|
if (input[1]==' ') {
|
|
char *data = r_file_slurp (input+2, NULL);
|
|
if (data) {
|
|
char sign = ' ';
|
|
int line = 0, offs = 0, hexa = 0;
|
|
int newline = 1;
|
|
for (i=0; data[i]; i++) {
|
|
switch (data[i]) {
|
|
case '+':
|
|
if (newline)
|
|
sign = 1;
|
|
break;
|
|
case '-':
|
|
if (newline) {
|
|
sign = 0;
|
|
offs = i + ((data[i+1]==' ')?2:1);
|
|
}
|
|
break;
|
|
case ' ':
|
|
data[i] = 0;
|
|
if (sign) {
|
|
if (!line) line = i+1;
|
|
else
|
|
if (!hexa) hexa = i+1;
|
|
}
|
|
break;
|
|
case '\r':
|
|
break;
|
|
case '\n':
|
|
newline = 1;
|
|
if (sign == ' ') {
|
|
offs = 0;
|
|
line = 0;
|
|
hexa = 0;
|
|
} else if (sign) {
|
|
if (offs && hexa) {
|
|
r_cons_printf ("wx %s @ %s\n", data+hexa, data+offs);
|
|
} else eprintf ("food\n");
|
|
offs = 0;
|
|
line = 0;
|
|
} else hexa = 0;
|
|
sign = -1;
|
|
continue;
|
|
}
|
|
newline = 0;
|
|
}
|
|
free (data);
|
|
}
|
|
} else {
|
|
eprintf ("|Usage: wu [unified-diff-patch] # see 'cu'\n");
|
|
}
|
|
break;
|
|
case 'r': // "wr"
|
|
off = r_num_math (core->num, input+1);
|
|
len = (int)off;
|
|
if (len > 0) {
|
|
buf = malloc (len);
|
|
if (buf != NULL) {
|
|
r_num_irand ();
|
|
for (i=0; i<len; i++)
|
|
buf[i] = r_num_rand (256);
|
|
r_core_write_at (core, core->offset, buf, len);
|
|
WSEEK (core, len);
|
|
free (buf);
|
|
} else eprintf ("Cannot allocate %d byte(s)\n", len);
|
|
}
|
|
break;
|
|
case 'A': // "wA"
|
|
switch (input[1]) {
|
|
case ' ':
|
|
if (input[2] && input[3]==' ') {
|
|
r_asm_set_pc (core->assembler, core->offset);
|
|
eprintf ("modify (%c)=%s\n", input[2], input+4);
|
|
len = r_asm_modify (core->assembler, core->block, input[2],
|
|
r_num_math (core->num, input+4));
|
|
eprintf ("len=%d\n", len);
|
|
if (len>0) {
|
|
r_core_write_at (core, core->offset, core->block, len);
|
|
WSEEK (core, len);
|
|
} else eprintf ("r_asm_modify = %d\n", len);
|
|
} else eprintf ("Usage: wA [type] [value]\n");
|
|
break;
|
|
case '?':
|
|
default:
|
|
r_core_cmd_help (core, help_msg_wA);
|
|
break;
|
|
}
|
|
break;
|
|
case 'c': // "wc"
|
|
switch (input[1]) {
|
|
case '\0': // "wc"
|
|
//if (!r_config_get_i (core->config, "io.cache"))
|
|
// eprintf ("[warning] e io.cache must be true\n");
|
|
r_io_cache_list (core->io, 0);
|
|
break;
|
|
case '?': // "wc?"
|
|
r_core_cmd_help (core, help_msg_wc);
|
|
break;
|
|
case '*': // "wc*"
|
|
r_io_cache_list (core->io, 1);
|
|
break;
|
|
case '+': // "wc+"
|
|
if (input[2]=='*') { // "wc+*"
|
|
//r_io_cache_reset (core->io, true);
|
|
eprintf ("TODO\n");
|
|
} else if (input[2]==' ') { // "wc+ "
|
|
char *p = strchr (input+3, ' ');
|
|
ut64 to, from;
|
|
from = r_num_math (core->num, input+3);
|
|
if (p) {
|
|
*p = 0;
|
|
to = r_num_math (core->num, input+3);
|
|
if (to<from) {
|
|
eprintf ("Invalid range (from>to)\n");
|
|
return 0;
|
|
}
|
|
} else {
|
|
to = from + core->blocksize;
|
|
}
|
|
r_io_cache_commit (core->io, from, to);
|
|
} else {
|
|
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
|
|
r_io_cache_commit (core->io, core->offset, core->offset+1);
|
|
}
|
|
break;
|
|
case '-': { // "wc-"
|
|
if (input[2]=='*') { // "wc-*"
|
|
r_io_cache_reset (core->io, true);
|
|
break;
|
|
}
|
|
ut64 from, to;
|
|
if (input[2]==' ') { // "wc- "
|
|
char *p = strchr (input+3, ' ');
|
|
if (p) {
|
|
*p = 0;
|
|
from = r_num_math (core->num, input+3);
|
|
to = r_num_math (core->num, p+1);
|
|
if (to < from) {
|
|
eprintf ("Invalid range (from>to)\n");
|
|
return 0;
|
|
}
|
|
} else {
|
|
from = r_num_math (core->num, input+3);
|
|
to = from + core->blocksize;
|
|
}
|
|
} else {
|
|
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
|
|
from = core->offset;
|
|
to = core->offset + core->blocksize;
|
|
}
|
|
eprintf("invalidated %d cache(s)\n",
|
|
r_io_cache_invalidate (core->io, from, to));
|
|
r_core_block_read (core);
|
|
break;
|
|
}
|
|
case 'i': // "wci"
|
|
r_io_cache_commit (core->io, 0, UT64_MAX);
|
|
r_core_block_read (core);
|
|
break;
|
|
case 'j': // "wcj"
|
|
r_io_cache_list (core->io, 2);
|
|
break;
|
|
case 'p': // "wcp"
|
|
cmd_write_pcache (core, &input[2]);
|
|
break;
|
|
case 'r': // "wcr"
|
|
r_io_cache_reset (core->io, true);
|
|
/* Before loading the core block we have to make sure that if
|
|
* the cache wrote past the original EOF these changes are no
|
|
* longer displayed. */
|
|
memset (core->block, 0xff, core->blocksize);
|
|
r_core_block_read (core);
|
|
break;
|
|
}
|
|
break;
|
|
case ' ': // "w"
|
|
/* write string */
|
|
len = r_str_unescape (str);
|
|
r_core_write_at (core, core->offset, (const ut8*)str, len);
|
|
#if 0
|
|
r_io_use_desc (core->io, core->file->desc);
|
|
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
|
|
#endif
|
|
WSEEK (core, len);
|
|
r_core_block_read (core);
|
|
break;
|
|
case 'z': // "wz"
|
|
/* write zero-terminated string */
|
|
len = r_str_unescape (str);
|
|
r_core_write_at (core, core->offset, (const ut8*)str + 1, len);
|
|
if (len > 0) {
|
|
core->num->value = len;
|
|
} else {
|
|
core->num->value = 0;
|
|
}
|
|
#if 0
|
|
r_io_use_desc (core->io, core->file->desc);
|
|
#endif
|
|
WSEEK (core, len + 1);
|
|
r_core_block_read (core);
|
|
break;
|
|
case 't': // "wt"
|
|
if (*str == 's') { // "wts"
|
|
if (str[1] == ' ') {
|
|
eprintf ("Write to server\n");
|
|
st64 sz = r_io_size (core->io);
|
|
if (sz > 0) {
|
|
ut64 addr = 0;
|
|
char *host = str + 2;
|
|
char *port = strchr (host, ':');
|
|
if (port) {
|
|
*port ++= 0;
|
|
char *space = strchr (port, ' ');
|
|
if (space) {
|
|
*space++ = 0;
|
|
sz = r_num_math (core->num, space);
|
|
addr = core->offset;
|
|
}
|
|
ut8 *buf = calloc (1, sz);
|
|
r_io_read_at (core->io, addr, buf, sz);
|
|
RSocket *s = r_socket_new (false);
|
|
if (r_socket_connect (s, host, port, R_SOCKET_PROTO_TCP, 0)) {
|
|
int done = 0;
|
|
eprintf ("Transfering file to the end-point...\n");
|
|
while (done < sz) {
|
|
int rc = r_socket_write (s, buf + done, sz - done);
|
|
if (rc <1) {
|
|
eprintf ("oops\n");
|
|
break;
|
|
}
|
|
done += rc;
|
|
}
|
|
} else {
|
|
eprintf ("Cannot connect\n");
|
|
}
|
|
r_socket_free (s);
|
|
free (buf);
|
|
} else {
|
|
eprintf ("Usage wts host:port [sz]\n");
|
|
}
|
|
} else {
|
|
eprintf ("Unknown file size\n");
|
|
}
|
|
} else {
|
|
eprintf ("Usage wts host:port [sz]\n");
|
|
}
|
|
} else if (*str == '?' || *str == '\0') {
|
|
r_core_cmd_help (core, help_msg_wt);
|
|
free (ostr);
|
|
return 0;
|
|
} else {
|
|
bool append = false;
|
|
bool toend = false;
|
|
st64 sz = core->blocksize;
|
|
ut64 poff = core->offset;
|
|
if (*str == 'f') { // "wtf"
|
|
str++;
|
|
if (*str == '?') {
|
|
r_core_cmd_help (core, help_msg_wt);
|
|
return 0;
|
|
}
|
|
if (*str == '!') {
|
|
if (str[1] == '?') {
|
|
r_core_cmd_help (core, help_msg_wt);
|
|
return 0;
|
|
}
|
|
RIOMap *map = r_io_map_get (core->io, poff);
|
|
toend = true;
|
|
//use physical address
|
|
poff = map ? poff - map->itv.addr + map->delta : poff;
|
|
str++;
|
|
}
|
|
if (*str == 'f') {
|
|
if (str[1] == '?') {
|
|
r_core_cmd_help (core, help_msg_wt);
|
|
return 0;
|
|
}
|
|
const char *prefix = r_str_trim_ro (str + 1);
|
|
if (!*prefix) {
|
|
prefix = "dump";
|
|
}
|
|
filename = r_str_newf ("%s-0x%08"PFMT64x, prefix, core->offset);
|
|
} else {
|
|
if (*str) {
|
|
if (str[1] == '?') {
|
|
r_core_cmd_help (core, help_msg_wt);
|
|
return 0;
|
|
}
|
|
filename = r_str_trim_ro (str);
|
|
} else {
|
|
filename = "";
|
|
}
|
|
}
|
|
} else if (*str == 'a') { // "wta"
|
|
append = 1;
|
|
str++;
|
|
if (str[0] == ' ') {
|
|
filename = str + 1;
|
|
} else {
|
|
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
|
|
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, poff);
|
|
filename = _fn;
|
|
}
|
|
} else if (*str != ' ') {
|
|
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
|
|
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, poff);
|
|
filename = _fn;
|
|
} else {
|
|
filename = str + 1;
|
|
}
|
|
tmp = *str? strchr (str + 1, ' ') : NULL;
|
|
if (!filename || !*filename) {
|
|
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
|
|
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, poff);
|
|
filename = _fn;
|
|
}
|
|
if (tmp) {
|
|
if (toend) {
|
|
sz = r_io_fd_size (core->io, core->file->fd) - core->offset;
|
|
} else {
|
|
sz = (st64) r_num_math (core->num, tmp + 1);
|
|
*tmp = 0;
|
|
}
|
|
if ((st64)sz < 1) {
|
|
// wtf?
|
|
sz = 0;
|
|
} else if (!r_core_dump (core, filename, poff, (ut64)sz, append)) {
|
|
sz = -1;
|
|
}
|
|
} else {
|
|
if (toend) {
|
|
sz = r_io_fd_size (core->io, core->file->fd);
|
|
if (sz != -1 && core->offset <= sz) {
|
|
sz -= core->offset;
|
|
if (!r_core_dump (core, filename, core->offset, (ut64)sz, append)) {
|
|
sz = -1;
|
|
}
|
|
} else {
|
|
sz = -1;
|
|
}
|
|
} else {
|
|
sz = core->blocksize;
|
|
if (!r_file_dump (filename, core->block, sz, append)) {
|
|
sz = -1;
|
|
}
|
|
}
|
|
}
|
|
if (sz >= 0) {
|
|
eprintf ("Dumped %"PFMT64d" bytes from 0x%08"PFMT64x" into %s\n",
|
|
sz, poff, filename);
|
|
}
|
|
}
|
|
break;
|
|
case 'f': // "wf"
|
|
cmd_wf (core, input);
|
|
break;
|
|
case 'w': // "ww"
|
|
str++;
|
|
len = (len - 1) << 1;
|
|
tmp = (len > 0) ? malloc (len + 1) : NULL;
|
|
if (tmp) {
|
|
for (i=0; i<len; i++) {
|
|
if (i%2) tmp[i] = 0;
|
|
else tmp[i] = str[i>>1];
|
|
}
|
|
str = tmp;
|
|
if (core->file) {
|
|
r_io_use_fd (core->io, core->file->fd);
|
|
}
|
|
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
|
|
WSEEK (core, len);
|
|
r_core_block_read (core);
|
|
free (tmp);
|
|
} else {
|
|
eprintf ("Cannot malloc %d\n", len);
|
|
}
|
|
break;
|
|
case 'x': // "wx"
|
|
switch (input[1]) {
|
|
case ' ': // "wx "
|
|
cmd_write_hexpair (core, input + 1);
|
|
break;
|
|
case 'f': // "wxf"
|
|
arg = (const char *)(input + ((input[2]==' ')? 3: 2));
|
|
if (!strcmp (arg, "-")) {
|
|
int len;
|
|
ut8 *out;
|
|
char *in = r_core_editor (core, NULL, NULL);
|
|
if (in) {
|
|
out = (ut8 *)strdup (in);
|
|
if (out) {
|
|
len = r_hex_str2bin (in, out);
|
|
if (len > 0) {
|
|
r_io_write_at (core->io, core->offset, out, len);
|
|
core->num->value = len;
|
|
} else {
|
|
core->num->value = 0;
|
|
}
|
|
free (out);
|
|
}
|
|
free (in);
|
|
}
|
|
} else if (r_file_exists (arg)) {
|
|
if ((buf = r_file_slurp_hexpairs (arg, &size))) {
|
|
r_io_use_fd (core->io, core->file->fd);
|
|
if (r_io_write_at (core->io, core->offset, buf, size) > 0) {
|
|
core->num->value = size;
|
|
WSEEK (core, size);
|
|
}
|
|
free (buf);
|
|
r_core_block_read (core);
|
|
} else {
|
|
eprintf ("This file doesnt contains hexpairs\n");
|
|
}
|
|
} else {
|
|
eprintf ("Cannot open file '%s'\n", arg);
|
|
}
|
|
break;
|
|
case 's': // "wxs"
|
|
{
|
|
int len = cmd_write_hexpair (core, input + 2);
|
|
if (len > 0) {
|
|
r_core_seek_delta (core, len);
|
|
core->num->value = len;
|
|
} else {
|
|
core->num->value = 0;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
r_core_cmd_help (core, help_msg_wx);
|
|
break;
|
|
}
|
|
break;
|
|
case 'a': // "wa"
|
|
switch (input[1]) {
|
|
case 'o': // "wao"
|
|
if (input[2] == ' ') {
|
|
char *op = r_str_trim (strdup (input + 3));
|
|
if (op) {
|
|
r_core_hack (core, op);
|
|
free (op);
|
|
}
|
|
} else {
|
|
r_core_hack_help (core);
|
|
}
|
|
break;
|
|
case ' ':
|
|
case '*': {
|
|
const char *file = input[1]=='*'? input + 2: input + 1;
|
|
RAsmCode *acode;
|
|
r_asm_set_pc (core->assembler, core->offset);
|
|
acode = r_asm_massemble (core->assembler, file);
|
|
if (acode) {
|
|
if (input[1] == '*') {
|
|
cmd_write_hexpair (core, acode->buf_hex);
|
|
} else {
|
|
if (!r_core_write_at (core, core->offset, acode->buf, acode->len)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
if (r_config_get_i (core->config, "scr.prompt")) {
|
|
eprintf ("Written %d byte(s) (%s) = wx %s\n", acode->len, input+2, acode->buf_hex);
|
|
}
|
|
WSEEK (core, acode->len);
|
|
}
|
|
r_core_block_read (core);
|
|
}
|
|
r_asm_code_free (acode);
|
|
}
|
|
break;
|
|
}
|
|
case 'f': // "waf"
|
|
if ((input[2] == ' ' || input[2] == '*')) {
|
|
const char *file = input + ((input[2] == '*')? 4: 3);
|
|
r_asm_set_pc (core->assembler, core->offset);
|
|
RAsmCode *acode = r_asm_assemble_file (core->assembler, file);
|
|
if (acode) {
|
|
if (input[2] == '*') {
|
|
cmd_write_hexpair (core, acode->buf_hex);
|
|
} else {
|
|
if (r_config_get_i (core->config, "scr.prompt")) {
|
|
eprintf ("Written %d byte(s) (%s)=wx %s\n", acode->len, input+1, acode->buf_hex);
|
|
}
|
|
if (!r_core_write_at (core, core->offset, acode->buf, acode->len)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, acode->len);
|
|
}
|
|
r_core_block_read (core);
|
|
}
|
|
r_asm_code_free (acode);
|
|
} else {
|
|
eprintf ("Cannot assemble file\n");
|
|
}
|
|
} else {
|
|
eprintf ("Wrong argument\n");
|
|
}
|
|
break;
|
|
default:
|
|
r_core_cmd_help (core, help_msg_wa);
|
|
break;
|
|
}
|
|
break;
|
|
case 'b': { // "wb"
|
|
int len = strlen (input);
|
|
ut8 *buf = malloc (len+1);
|
|
if (buf) {
|
|
len = r_hex_str2bin (input+1, buf);
|
|
if (len > 0) {
|
|
r_mem_copyloop (core->block, buf, core->blocksize, len);
|
|
if (!r_core_write_at (core, core->offset, core->block, core->blocksize)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, core->blocksize);
|
|
}
|
|
r_core_block_read (core);
|
|
} else eprintf ("Wrong argument\n");
|
|
free (buf);
|
|
} else eprintf ("Cannot malloc %d\n", len+1);
|
|
break;
|
|
}
|
|
case 'm': // "wm"
|
|
size = r_hex_str2bin (input+1, (ut8*)str);
|
|
switch (input[1]) {
|
|
case '\0':
|
|
eprintf ("Current write mask: TODO\n");
|
|
// TODO
|
|
break;
|
|
case '?':
|
|
break;
|
|
case '-':
|
|
r_io_set_write_mask (core->io, 0, 0);
|
|
eprintf ("Write mask disabled\n");
|
|
break;
|
|
case ' ':
|
|
if (size>0) {
|
|
r_io_use_fd (core->io, core->file->fd);
|
|
r_io_set_write_mask (core->io, (const ut8*)str, size);
|
|
WSEEK (core, size);
|
|
eprintf ("Write mask set to '");
|
|
for (i=0; i<size; i++)
|
|
eprintf ("%02x", str[i]);
|
|
eprintf ("'\n");
|
|
} else eprintf ("Invalid string\n");
|
|
break;
|
|
}
|
|
break;
|
|
case 'v': // "wv"
|
|
cmd_write_value (core, input);
|
|
break;
|
|
case 'o': // "wo"
|
|
cmd_write_op (core, input);
|
|
break;
|
|
case 'd': // "wd"
|
|
if (input[1] && input[1]==' ') {
|
|
char *arg, *inp = strdup (input+2);
|
|
arg = strchr (inp, ' ');
|
|
if (arg) {
|
|
*arg = 0;
|
|
ut64 addr = r_num_math (core->num, input+2);
|
|
ut64 len = r_num_math (core->num, arg+1);
|
|
ut8 *data = malloc (len);
|
|
r_io_read_at (core->io, addr, data, len);
|
|
r_io_write_at (core->io, core->offset, data, len);
|
|
free (data);
|
|
} else eprintf ("See wd?\n");
|
|
free (inp);
|
|
} else eprintf ("Usage: wd [source-offset] [length] @ [dest-offset]\n");
|
|
break;
|
|
case 's': // "ws"
|
|
if (str && *str && str[1]) {
|
|
len = r_str_unescape (str+1);
|
|
if (len>255) {
|
|
eprintf ("Too large\n");
|
|
} else {
|
|
ut8 ulen = (ut8)len;
|
|
if (!r_core_write_at (core, core->offset, &ulen, 1) ||
|
|
!r_core_write_at (core, core->offset+1, (const ut8*)str+1, len)) {
|
|
cmd_write_fail ();
|
|
} else {
|
|
WSEEK (core, len);
|
|
}
|
|
r_core_block_read (core);
|
|
}
|
|
} else eprintf ("Too short.\n");
|
|
break;
|
|
default:
|
|
case '?': // "w?"
|
|
if (core->oobi) {
|
|
eprintf ("Writing oobi buffer!\n");
|
|
r_io_use_fd (core->io, core->file->fd);
|
|
r_io_write (core->io, core->oobi, core->oobi_len);
|
|
WSEEK (core, core->oobi_len);
|
|
r_core_block_read (core);
|
|
} else {
|
|
r_core_cmd_help (core, help_msg_w);
|
|
}
|
|
break;
|
|
}
|
|
R_FREE (ostr);
|
|
return 0;
|
|
}
|