void _writeAllFiles() { try { struct dirent *entry; DIR *dp; dp = opendir("."); if (dp == NULL) { PostMessage("Could not open dir"); return; } while((entry = readdir(dp))) { Json::Value json(Json::objectValue); Json::Value data(Json::objectValue); json["command"]=Json::Value("replace"); std::ostringstream namebuffer; namebuffer << entry->d_name; if(namebuffer.str()=="work_unit.sah") { continue; } data["name"]=Json::Value(namebuffer.str()); std::ostringstream contentbuffer; /*unsigned*/ char* filecontent = read_whole_file(namebuffer.str().c_str()); contentbuffer << r_base64_encode(filecontent, strlen(filecontent)); //contentbuffer << filecontent; free(filecontent); data["str"]=Json::Value(contentbuffer.str()); json["data"]=data; std::ostringstream buffer; buffer << json; PostMessage(buffer.str()); } closedir(dp); } catch (void* e) { std::ostringstream buff; buff << "_writeAllFiles: " << e; PostMessage(buff.str()); } }
static int update(RCrypto *cry, const ut8 *buf, int len, bool to_encode) { int olen; ut8 *obuf; if (to_encode) { olen = ((len + 2) / 3 ) * 4; obuf = malloc (olen + 1); r_base64_encode (obuf, buf, len); } else { olen = (len / 4) * 3; if (len > 0) //to prevent invalid access of memory olen -= (buf[len-1] == '=') ? ((buf[len-2] == '=') ? 2 : 1) : 0; obuf = malloc (olen + 1); olen = r_base64_decode (obuf, buf, len); } r_crypto_append (cry, obuf, olen); free (obuf); return 0; }
int main(int argc, char **argv) { int i, ret, c, rad = 0, bsize = 0, numblocks = 0, ule = 0, b64mode = 0; const char *algo = "sha256"; /* default hashing algorithm */ const char *seed = NULL; char *hashstr = NULL; int hashstr_len = 0; int hashstr_hex = 0; ut64 algobit; RHash *ctx; RIO *io; while ((c = getopt (argc, argv, "jdDrvea:i:S:s:x:b:nBhf:t:kLq")) != -1) { switch (c) { case 'q': quiet = 1; break; case 'i': iterations = atoi (optarg); if (iterations<0) { eprintf ("error: -i argument must be positive\n"); return 1; } break; case 'j': rad = 'j'; break; case 'S': seed = optarg; break; case 'n': numblocks = 1; break; case 'd': b64mode = 1; break; case 'D': b64mode = 2; break; case 'L': algolist (); return 0; case 'e': ule = 1; break; case 'r': rad = 1; break; case 'k': rad = 2; break; case 'a': algo = optarg; break; case 'B': incremental = 0; break; case 'b': bsize = (int)r_num_math (NULL, optarg); break; case 'f': from = r_num_math (NULL, optarg); break; case 't': to = 1+r_num_math (NULL, optarg); break; case 'v': return blob_version ("rahash2"); case 'h': return do_help (0); case 's': setHashString (optarg, 0); break; case 'x': setHashString (optarg, 1); break; break; default: eprintf ("rahash2: Unknown flag\n"); return 1; } } if ((st64)from>=0 && (st64)to<0) { to = 0; // end of file } if (from || to) { if (to && from>=to) { eprintf ("Invalid -f or -t offsets\n"); return 1; } } do_hash_seed (seed); if (hashstr) { #define INSIZE 32768 if (!strcmp (hashstr, "-")) { int res = 0; hashstr = malloc (INSIZE); if (!hashstr) return 1; res = fread ((void*)hashstr, 1, INSIZE-1, stdin); if (res<1) res = 0; hashstr[res] = '\0'; hashstr_len = res; } if (hashstr_hex) { ut8 *out = malloc ((strlen (hashstr)+1)*2); hashstr_len = r_hex_str2bin (hashstr, out); if (hashstr_len<1) { eprintf ("Invalid hex string\n"); free (out); } hashstr = (char *)out; /* out memleaks here, hashstr can't be freed */ } else { hashstr_len = strlen (hashstr); } if (from) { if (from>=hashstr_len) { eprintf ("Invalid -f.\n"); return 1; } } if (to) { if (to>hashstr_len) { eprintf ("Invalid -t.\n"); return 1; } } else { to = hashstr_len; } hashstr = hashstr+from; hashstr_len = to-from; hashstr[hashstr_len] = '\0'; hashstr_len = r_str_unescape (hashstr); switch (b64mode) { case 1: // encode { char *out = malloc (((hashstr_len+1)*4)/3); if (out) { r_base64_encode (out, (const ut8*)hashstr, hashstr_len); printf ("%s\n", out); fflush (stdout); free (out); } } break; case 2: // decode { ut8 *out = malloc (INSIZE); if (out) { int outlen = r_base64_decode (out, (const char *)hashstr, hashstr_len); write (1, out, outlen); free (out); } } break; default: { char *str = (char *)hashstr; int strsz = hashstr_len; if (_s) { // alloc/concat/resize str = malloc (strsz + s.len); if (s.prefix) { memcpy (str, s.buf, s.len); memcpy (str+s.len, hashstr, hashstr_len); } else { memcpy (str, hashstr, hashstr_len); memcpy (str+strsz, s.buf, s.len); } strsz += s.len; str[strsz] = 0; } algobit = r_hash_name_to_bits (algo); for (i=1; i<0x800000; i<<=1) { if (algobit & i) { int hashbit = i & algobit; ctx = r_hash_new (R_TRUE, hashbit); from = 0; to = strsz; do_hash_internal (ctx, hashbit, (const ut8*)str, strsz, rad, 1, ule); r_hash_free (ctx); } } if (_s) { free (str); free (s.buf); } } } return 0; } if (optind>=argc) return do_help (1); if (numblocks) { bsize = -bsize; } else if (bsize<0) { eprintf ("rahash2: Invalid block size\n"); return 1; } io = r_io_new (); for (ret=0, i=optind; i<argc; i++) { switch (b64mode) { case 1: // encode { int binlen; char *out; ut8 *bin = (ut8*)r_file_slurp (argv[i], &binlen); if (!bin) { eprintf ("Cannot open file\n"); continue; } out = malloc (((binlen+1)*4)/3); if (out) { r_base64_encode (out, bin, binlen); printf ("%s\n", out); fflush (stdout); free (out); } free (bin); } break; case 2: // decode { int binlen, outlen; ut8 *out, *bin = (ut8*)r_file_slurp (argv[i], &binlen); if (!bin) { eprintf ("Cannot open file\n"); continue; } out = malloc (binlen+1); if (out) { outlen = r_base64_decode (out, (const char*)bin, binlen); write (1, out, outlen); free (out); } free (bin); } break; default: if (r_file_is_directory (argv[i])) { eprintf ("rahash2: Cannot hash directories\n"); return 1; } if (!r_io_open_nomap (io, argv[i], 0, 0)) { eprintf ("rahash2: Cannot open '%s'\n", argv[i]); return 1; } ret |= do_hash (argv[i], algo, io, bsize, rad, ule); } } free (hashstr); r_io_free (io); return ret; }
/* TODO: simplify using r_write */ static int cmd_write(void *data, const char *input) { int wseek, i, size, len = strlen (input); RCore *core = (RCore *)data; char *tmp, *str, *ostr; const char *arg, *filename; char _fn[32]; ut64 off; ut8 *buf; st64 num = 0; const char* help_msg[] = { "Usage:","w[x] [str] [<file] [<<EOF] [@addr]","", "w","[1248][+-][n]","increment/decrement byte,word..", "w"," foobar","write string 'foobar'", "w0"," [len]","write 'len' bytes with value 0x00", "w6","[de] base64/hex","write base64 [d]ecoded or [e]ncoded string", "wa"," push ebp","write opcode, separated by ';' (use '\"' around the command)", "waf"," file","assemble file and write bytes", "wA"," r 0","alter/modify opcode at current seek (see wA?)", "wb"," 010203","fill current block with cyclic hexpairs", "wB","[-]0xVALUE","set or unset bits with given value", "wc","","list all write changes", "wc","[ir*?]","write cache undo/commit/reset/list (io.cache)", "wd"," [off] [n]","duplicate N bytes from offset at current seek (memcpy) (see y?)", "we","[nNsxX] [arg]","extend write operations (insert instead of replace)", "wf"," -|file","write contents of file at current offset", "wF"," -|file","write contents of hexpairs file here", "wh"," r2","whereis/which shell command", "wm"," f0ff","set binary mask hexpair to be used as cyclic write mask", "wo?"," hex","write in block with operation. 'wo?' fmi", "wp"," -|file","apply radare patch file. See wp? fmi", "wr"," 10","write 10 random bytes", "ws"," pstring","write 1 byte for length and then the string", "wt"," file [sz]","write to file (from current seek, blocksize or sz bytes)", "ww"," foobar","write wide string 'f\\x00o\\x00o\\x00b\\x00a\\x00r\\x00'", "wx"," 9090","write two intel nops", "wv"," eip+34","write 32-64 bit value", NULL }; if (!input) return 0; #define WSEEK(x,y) if (wseek)r_core_seek_delta (x,y) wseek = r_config_get_i (core->config, "cfg.wseek"); str = ostr = strdup ((input&&*input)?input+1:""); _fn[0] = 0; switch (*input) { case 'B': 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': { ut64 len = r_num_math (core->num, input+1); if (len>0) { ut8 *buf = calloc (1, len); if (buf) { r_io_write (core->io, buf, len); free (buf); } else eprintf ("Cannot allocate %d bytes\n", (int)len); } } break; case '1': case '2': case '4': case '8': 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': { int fail = 0; if(input[1] && input[2] != ' ') { fail = 1; } ut8 *buf; int len, str_len; const char *str; if (input[1] && input[2] && input[3]) str = input + 3; else str = ""; str_len = strlen (str) + 1; if (!fail) { switch (input[1]) { case 'd': buf = malloc (str_len); len = r_base64_decode (buf, str, 0); if(len == 0) { free(buf); fail = 1; } break; case 'e': { ut8 *bin_buf = malloc(str_len); int bin_len = r_hex_str2bin(str, bin_buf); if(bin_len == 0) { fail = 1; } else { buf = malloc(str_len * 4 + 1); 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, 0); free(buf); } else { eprintf ("Usage: w6[de] base64/hex\n"); } break; } case 'h': { char *p = strchr (input, ' '); if (p) { while (*p==' ') p++; p = r_file_path (p); if (p) { r_cons_printf ("%s\n", p); free (p); } } } break; case 'e': { ut64 addr = 0, len = 0, b_size = 0; st64 dist = 0; ut8* bytes = NULL; int cmd_suc = R_FALSE; char *input_shadow = NULL, *p = NULL; switch (input[1]) { case 'n': if (input[2] == ' ') { len = *input ? r_num_math ( core->num, input+3) : 0; if (len > 0){ ut64 cur_off = core->offset; cmd_suc = r_core_extend_at (core, core->offset, len); core->offset = cur_off; r_core_block_read (core, 0); } } break; case 'N': 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); cmd_suc = r_core_seek (core, cur_off, 1); core->offset = addr; r_core_block_read (core, 0); } } break; case 'x': 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, 0); } free (bytes); } break; case 'X': 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, 0); } free (bytes); } break; case 's': input += 3; while (*input && *input == ' ') input++; len = strlen (input); input_shadow = len > 0? malloc (len+1): 0; // since the distance can be negative, // the r_num_math will perform an unwanted operation // the solution is to tokenize the string :/ if (input_shadow) { strncpy (input_shadow, input, len+1); 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 = R_TRUE; } } free (input_shadow); break; case '?': default: cmd_suc = R_FALSE; } if (cmd_suc == R_FALSE) { r_cons_printf ("|Usage: write extend\n" "wen <num> insert num null bytes at current offset\n" "wex <hex_bytes> insert bytes at current offset\n" "weN <addr> <len> insert bytes at address\n" "weX <addr> <hex_bytes> insert bytes at address\n" "wes <addr> <dist> <block_size> shift a blocksize left or write in the editor\n" ); } } break; case 'p': 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 { eprintf ("Usage: wp [-|r2patch-file]\n" "TODO: rapatch format documentation here\n"); } } break; case 'u': // 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 == -1) { 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': 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 bytes\n", len); } break; case 'A': 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_cons_printf ("|Usage: wA [type] [value]\n" "|Types:\n" "| r raw write value\n" "| v set value (taking care of current address)\n" "| d destination register\n" "| 0 1st src register\n" "| 1 2nd src register\n" "|Example: wA r 0 # e800000000\n"); break; } break; case 'c': switch (input[1]) { case 'i': r_io_cache_commit (core->io, 0, UT64_MAX); r_core_block_read (core, 0); break; case 'r': r_io_cache_reset (core->io, R_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, 0); break; case '+': if (input[2]=='*') { //r_io_cache_reset (core->io, R_TRUE); eprintf ("TODO\n"); } else if (input[2]==' ') { char *p = strchr (input+3, ' '); ut64 to, from = core->offset; if (p) { *p = 0; from = r_num_math (core->num, input+3); to = r_num_math (core->num, input+3); if (to<from) { eprintf ("Invalid range (from>to)\n"); return 0; } } else { from = r_num_math (core->num, input+3); 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 '-': if (input[2]=='*') { r_io_cache_reset (core->io, R_TRUE); } else if (input[2]==' ') { char *p = strchr (input+3, ' '); ut64 to, from = core->offset; if (p) { *p = 0; from = r_num_math (core->num, input+3); to = r_num_math (core->num, input+3); if (to<from) { eprintf ("Invalid range (from>to)\n"); return 0; } } else { from = r_num_math (core->num, input+3); to = from + core->blocksize; } r_io_cache_invalidate (core->io, from, to); } else { eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset); r_io_cache_invalidate (core->io, core->offset, core->offset+core->blocksize); } /* See 'r' above. */ memset (core->block, 0xff, core->blocksize); r_core_block_read (core, 0); break; case '?': { const char* help_msg[] = { "Usage:", "wc[ir+-*?]"," # NOTE: Uses io.cache=true", "wc","","list all write changes", "wc-"," [from] [to]","remove write op at curseek or given addr", "wc+"," [addr]","commit change from cache to io", "wc*","","\"\" in radare commands", "wcr","","reset all write changes in cache", "wci","","commit write cache", NULL }; r_core_cmd_help(core, help_msg); } break; case '*': r_io_cache_list (core->io, R_TRUE); break; case '\0': //if (!r_config_get_i (core->config, "io.cache")) // eprintf ("[warning] e io.cache must be true\n"); r_io_cache_list (core->io, R_FALSE); break; } break; case ' ': /* 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, 0); break; case 't': // "wt" if (*str == '?' || *str == '\0') { eprintf ("Usage: wt[a] file [size] write 'size' bytes in current block to file\n"); free (ostr); return 0; } else { int append = 0; st64 sz = core->blocksize; 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, core->offset); filename = _fn; } } else if (*str != ' ') { const char* prefix = r_config_get (core->config, "cfg.prefixdump"); snprintf(_fn, sizeof(_fn), "%s.0x%08"PFMT64x, prefix, core->offset); filename = _fn; } else filename = str+1; tmp = strchr (str+1, ' '); if (tmp) { sz = (st64) r_num_math (core->num, tmp+1); if (!sz) { sz = core->blocksize; } *tmp = 0; if (sz<1) eprintf ("Invalid length\n"); else r_core_dump (core, filename, core->offset, (ut64)sz, append); } else { if (!r_file_dump (filename, core->block, core->blocksize, append)) { sz = 0; } else sz = core->blocksize; } eprintf ("Dumped %"PFMT64d" bytes from 0x%08"PFMT64x" into %s\n", sz, core->offset, filename); } break; case 'f': arg = (const char *)(input+((input[1]==' ')?2:1)); 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)); free (out); } } else if ((buf = (ut8*) r_file_slurp (arg, &size))) { r_io_use_desc (core->io, core->file->desc); r_io_write_at (core->io, core->offset, buf, size); WSEEK (core, size); free (buf); r_core_block_read (core, 0); } else eprintf ("Cannot open file '%s'\n", arg); break; case 'F': arg = (const char *)(input+((input[1]==' ')?2:1)); 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); free (out); } free (in); } } else if ((buf = r_file_slurp_hexpairs (arg, &size))) { r_io_use_desc (core->io, core->file->desc); r_io_write_at (core->io, core->offset, buf, size); WSEEK (core, size); free (buf); r_core_block_read (core, 0); } else eprintf ("Cannot open file '%s'\n", arg); break; case 'w': str++; len = (len-1)<<1; if (len>0) tmp = malloc (len+1); else tmp = NULL; if (tmp) { for (i=0; i<len; i++) { if (i%2) tmp[i] = 0; else tmp[i] = str[i>>1]; } str = tmp; r_io_use_desc (core->io, core->file->desc); r_io_write_at (core->io, core->offset, (const ut8*)str, len); WSEEK (core, len); r_core_block_read (core, 0); free (tmp); } else eprintf ("Cannot malloc %d\n", len); break; case 'x': { int b, len = strlen (input); ut8 *buf = malloc (len+1); len = r_hex_str2bin (input+1, buf); if (len != 0) { if (len<0) len = -len+1; if (len<core->blocksize) { b = core->block[len]&0xf; b |= (buf[len]&0xf0); } else b = buf[len]; buf[len] = b; r_core_write_at (core, core->offset, buf, len); WSEEK (core, len); r_core_block_read (core, 0); } else eprintf ("Error: invalid hexpair string\n"); free (buf); } break; case 'a': switch (input[1]) { case 'o': if (input[2] == ' ') r_core_hack (core, input+3); 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]=='*') { r_cons_printf ("wx %s\n", acode->buf_hex); } else { if (r_config_get_i (core->config, "scr.prompt")) eprintf ("Written %d bytes (%s) = wx %s\n", acode->len, input+2, acode->buf_hex); r_core_write_at (core, core->offset, acode->buf, acode->len); WSEEK (core, acode->len); r_core_block_read (core, 0); } r_asm_code_free (acode); } } break; case 'f': if ((input[2]==' '||input[2]=='*')) { const char *file = input[2]=='*'? input+4: input+3; RAsmCode *acode; r_asm_set_pc (core->assembler, core->offset); acode = r_asm_assemble_file (core->assembler, file); if (acode) { if (input[2]=='*') { r_cons_printf ("wx %s\n", acode->buf_hex); } else { if (r_config_get_i (core->config, "scr.prompt")) eprintf ("Written %d bytes (%s)=wx %s\n", acode->len, input+1, acode->buf_hex); r_core_write_at (core, core->offset, acode->buf, acode->len); WSEEK (core, acode->len); r_core_block_read (core, 0); } r_asm_code_free (acode); } else eprintf ("Cannot assemble file\n"); } else eprintf ("Wrong argument\n"); break; default: r_cons_printf ("|Usage: wa[of*] [arg]\n" "| wa nop : write nopcode using asm.arch and asm.bits\n" "| wa* mov eax, 33 : show 'wx' op with hexpair bytes of assembled opcode\n" "| \"wa nop;nop\" : assemble more than one instruction (note the quotes)\n" "| waf foo.asm : assemble file and write bytes\n" "| wao nop : convert current opcode into nops\n" "| wao? : show help for assembler operation on current opcode (hack)\n"); break; } break; case 'b': { 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); r_core_write_at (core, core->offset, core->block, core->blocksize); WSEEK (core, core->blocksize); r_core_block_read (core, 0); } else eprintf ("Wrong argument\n"); free (buf); } else eprintf ("Cannot malloc %d\n", len+1); } break; case 'm': 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_desc (core->io, core->file->desc); 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': cmd_write_value (core, input); break; case 'o': cmd_write_op (core, input); break; case 'd': 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': if (str && *str && str[1]) { len = r_str_unescape (str+1); if (len>255) { eprintf ("Too large\n"); } else { ut8 ulen = (ut8)len; r_core_write_at (core, core->offset, &ulen, 1); r_core_write_at (core, core->offset+1, (const ut8*)str+1, len); WSEEK (core, len); r_core_block_read (core, 0); } } else eprintf ("Too short.\n"); break; default: case '?': if (core->oobi) { eprintf ("Writing oobi buffer!\n"); r_io_use_desc (core->io, core->file->desc); r_io_write (core->io, core->oobi, core->oobi_len); WSEEK (core, core->oobi_len); r_core_block_read (core, 0); } else { r_core_cmd_help (core, help_msg); } break; }