/
cmd_anal.c
7600 lines (7382 loc) · 210 KB
/
cmd_anal.c
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/* radare - LGPL - Copyright 2009-2018 - pancake, maijin */
#include "r_util.h"
#include "r_core.h"
#include "r_anal.h"
static const char *help_msg_a[] = {
"Usage:", "a", "[abdefFghoprxstc] [...]",
"aa", "[?]", "analyze all (fcns + bbs) (aa0 to avoid sub renaming)",
"a8", " [hexpairs]", "analyze bytes",
"ab", "[b] [addr]", "analyze block at given address",
"abb", " [len]", "analyze N basic blocks in [len] (section.size by default)",
"abt", " [addr]", "find paths in the bb function graph from current offset to given address",
"ac", " [cycles]", "analyze which op could be executed in [cycles]",
"ad", "[?]", "analyze data trampoline (wip)",
"ad", " [from] [to]", "analyze data pointers to (from-to)",
"ae", "[?] [expr]", "analyze opcode eval expression (see ao)",
"af", "[?]", "analyze Functions",
"aF", "", "same as above, but using anal.depth=1",
"ag", "[?] [options]", "draw graphs in various formats",
"ah", "[?]", "analysis hints (force opcode size, ...)",
"ai", " [addr]", "address information (show perms, stack, heap, ...)",
"aL", "", "list all asm/anal plugins (e asm.arch=?)",
"an"," [name] [@addr]","show/rename/create whatever flag/function is used at addr",
"ao", "[?] [len]", "analyze Opcodes (or emulate it)",
"aO", "[?] [len]", "Analyze N instructions in M bytes",
"ap", "", "find prelude for current offset",
"ar", "[?]", "like 'dr' but for the esil vm. (registers)",
"as", "[?] [num]", "analyze syscall using dbg.reg",
"av", "[?] [.]", "show vtables",
"ax", "[?]", "manage refs/xrefs (see also afx?)",
NULL
};
static const char *help_msg_aa[] = {
"Usage:", "aa[0*?]", " # see also 'af' and 'afna'",
"aa", " ", "alias for 'af@@ sym.*;af@entry0;afva'", //;.afna @@ fcn.*'",
"aa*", "", "analyze all flags starting with sym. (af @@ sym.*)",
"aaa", "[?]", "autoname functions after aa (see afna)",
"aab", "", "aab across bin.sections.rx",
"aac", " [len]", "analyze function calls (af @@ `pi len~call[1]`)",
"aac*", " [len]", "flag function calls without performing a complete analysis",
"aad", " [len]", "analyze data references to code",
"aae", " [len] ([addr])", "analyze references with ESIL (optionally to address)",
"aaE", "", "run aef on all functions (same as aef @@f)",
"aaf", " ", "analyze all functions (e anal.hasnext=1;afr @@c:isq)",
"aai", "[j]", "show info of all analysis parameters",
"aan", "", "autoname functions that either start with fcn.* or sym.func.*",
"aang", "", "find function and symbol names from golang binaries",
"aap", "", "find and analyze function preludes",
"aar", "[?] [len]", "analyze len bytes of instructions for references",
"aas", " [len]", "analyze symbols (af @@= `isq~[0]`)",
"aat", " [len]", "analyze all consecutive functions in section",
"aaT", " [len]", "analyze code after trap-sleds",
"aau", " [len]", "list mem areas (larger than len bytes) not covered by functions",
"aav", " [sat]", "find values referencing a specific section or map",
NULL
};
static const char *help_msg_aar[] = {
"Usage:", "aar", "[j*] [sz] # search and analyze xrefs",
"aar", " [sz]", "analyze xrefs in current section or sz bytes of code",
"aar*", " [sz]", "list found xrefs in radare commands format",
"aarj", " [sz]", "list found xrefs in JSON format",
NULL
};
static const char *help_msg_ab[] = {
"Usage:", "ab", "",
"ab", " [addr]", "show basic block information at given address",
"abb", " [length]", "analyze N bytes and extract basic blocks",
"abj", " [addr]", "display basic block information in JSON (alias to afbj)",
"abx", " [hexpair-bytes]", "analyze N bytes",
NULL
};
static const char *help_msg_ad[] = {
"Usage:", "ad", "[kt] [...]",
"ad", " [N] [D]", "analyze N data words at D depth",
"ad4", " [N] [D]", "analyze N data words at D depth (asm.bits=32)",
"ad8", " [N] [D]", "analyze N data words at D depth (asm.bits=64)",
"adf", "", "analyze data in function (use like .adf @@=`afl~[0]`",
"adfg", "", "analyze data in function gaps",
"adt", "", "analyze data trampolines (wip)",
"adk", "", "analyze data kind (code, text, data, invalid, ...)",
NULL
};
static const char *help_msg_ae[] = {
"Usage:", "ae[idesr?] [arg]", "ESIL code emulation",
"ae", " [expr]", "evaluate ESIL expression",
"ae?", "", "show this help",
"ae??", "", "show ESIL help",
"ae[aA]", "[f] [count]", "analyse esil accesses (regs, mem..)",
"aec", "[?]", "continue until ^C",
"aecs", "", "continue until syscall",
"aecc", "", "continue until call",
"aecu", " [addr]", "continue until address",
"aecue", " [esil]", "continue until esil expression match",
"aef", " [addr]", "emulate function",
"aei", "", "initialize ESIL VM state (aei- to deinitialize)",
"aeim", " [addr] [size] [name]", "initialize ESIL VM stack (aeim- remove)",
"aeip", "", "initialize ESIL program counter to curseek",
"aek", " [query]", "perform sdb query on ESIL.info",
"aek-", "", "resets the ESIL.info sdb instance",
"aeli", "", "list loaded ESIL interrupts",
"aeli", " [file]", "load ESIL interrupts from shared object",
"aelir", " [interrupt number]", "remove ESIL interrupt and free it if needed",
"aep", "[?] [addr]", "manage esil pin hooks",
"aepc", " [addr]", "change esil PC to this address",
"aer", " [..]", "handle ESIL registers like 'ar' or 'dr' does",
"aets", "[?]", "ESIL Trace session",
"aes", "", "perform emulated debugger step",
"aesp", " [X] [N]", "evaluate N instr from offset X",
"aesb", "", "step back",
"aeso", " ", "step over",
"aesu", " [addr]", "step until given address",
"aesue", " [esil]", "step until esil expression match",
"aetr", "[esil]", "Convert an ESIL Expression to REIL",
"aex", " [hex]", "evaluate opcode expression",
NULL
};
static const char *help_detail_ae[] = {
"Examples:", "ESIL", " examples and documentation",
"+=", "", "A+=B => B,A,+=",
"+", "", "A=A+B => B,A,+,A,=",
"++", "", "increment, 2,A,++ == 3 (see rsi,--=[1], ... )",
"--", "", "decrement, 2,A,-- == 1",
"*=", "", "A*=B => B,A,*=",
"/=", "", "A/=B => B,A,/=",
"%=", "", "A%=B => B,A,%=",
"&=", "", "and ax, bx => bx,ax,&=",
"|", "", "or r0, r1, r2 => r2,r1,|,r0,=",
"!=", "", "negate all bits",
"^=", "", "xor ax, bx => bx,ax,^=",
"", "[]", "mov eax,[eax] => eax,[],eax,=",
"=", "[]", "mov [eax+3], 1 => 1,3,eax,+,=[]",
"=", "[1]", "mov byte[eax],1 => 1,eax,=[1]",
"=", "[8]", "mov [rax],1 => 1,rax,=[8]",
"[]", "", "peek from random position",
"[*]", "", "peek some from random position",
"=", "[*]", "poke some at random position",
"$", "", "int 0x80 => 0x80,$",
"$$", "", "simulate a hardware trap",
"==", "", "pops twice, compare and update esil flags",
"<", "", "compare for smaller",
"<=", "", "compare for smaller or equal",
">", "", "compare for bigger",
">=", "", "compare bigger for or equal",
">>=", "", "shr ax, bx => bx,ax,>>= # shift right",
"<<=", "", "shl ax, bx => bx,ax,<<= # shift left",
">>>=", "", "ror ax, bx => bx,ax,>>>= # rotate right",
"<<<=", "", "rol ax, bx => bx,ax,<<<= # rotate left",
"?{", "", "if popped value != 0 run the block until }",
"POP", "", "drops last element in the esil stack",
"DUP", "", "duplicate last value in stack",
"NUM", "", "evaluate last item in stack to number",
"PICK", "", "pick Nth element in stack",
"RPICK", "", "pick Nth element in reversed stack",
"SWAP", "", "swap last two values in stack",
"TRAP", "", "stop execution",
"BITS", "", "16,BITS # change bits, useful for arm/thumb",
"TODO", "", "the instruction is not yet esilized",
"STACK", "", "show contents of stack",
"CLEAR", "", "clears the esil stack",
"REPEAT", "", "repeat n times",
"BREAK", "", "terminates the string parsing",
"GOTO", "", "jump to the Nth word popped from the stack",
NULL
};
static const char *help_msg_aea[] = {
"Examples:", "aea", " show regs used in a range",
"aea", " [ops]", "Show regs used in N instructions (all,read,{no,}written,memreads,memwrites)",
"aea*", " [ops]", "Create mem.* flags for memory accesses",
"aeaf", "", "Show regs used in current function",
"aear", " [ops]", "Show regs read in N instructions",
"aeaw", " [ops]", "Show regs written in N instructions",
"aean", " [ops]", "Show regs not written in N instructions",
"aeaj", " [ops]", "Show aea output in JSON format",
"aeA", " [len]", "Show regs used in N bytes (subcommands are the same)",
NULL
};
static const char *help_msg_aec[] = {
"Examples:", "aec", " continue until ^c",
"aec", "", "Continue until exception",
"aecs", "", "Continue until syscall",
"aecc", "", "Continue until call",
"aecu", "[addr]", "Continue until address",
"aecue", "[addr]", "Continue until esil expression",
NULL
};
static const char *help_msg_aep[] = {
"Usage:", "aep[-c] ", " [...]",
"aepc", " [addr]", "change program counter for esil",
"aep", "-[addr]", "remove pin",
"aep", " [name] @ [addr]", "set pin",
"aep", "", "list pins",
NULL
};
static const char *help_msg_aets[] = {
"Usage:", "aets ", " [...]",
"aets", "", "List all ESIL trace sessions",
"aets+", "", "Add ESIL trace session",
NULL
};
static const char *help_msg_af[] = {
"Usage:", "af", "",
"af", " ([name]) ([addr])", "analyze functions (start at addr or $$)",
"afr", " ([name]) ([addr])", "analyze functions recursively",
"af+", " addr name [type] [diff]", "hand craft a function (requires afb+)",
"af-", " [addr]", "clean all function analysis data (or function at addr)",
"afb+", " fcnA bbA sz [j] [f] ([t]( [d]))", "add bb to function @ fcnaddr",
"afb", "[?] [addr]", "List basic blocks of given function",
"afB", " 16", "set current function as thumb (change asm.bits)",
"afC[lc]", " ([addr])@[addr]", "calculate the Cycles (afC) or Cyclomatic Complexity (afCc)",
"afc", "[?] type @[addr]", "set calling convention for function",
"afd", "[addr]","show function + delta for given offset",
"aff", "", "re-adjust function boundaries to fit",
"afF", "[1|0|]", "fold/unfold/toggle",
"afi", " [addr|fcn.name]", "show function(s) information (verbose afl)",
"afl", "[?] [ls*] [fcn name]", "list functions (addr, size, bbs, name) (see afll)",
"afm", " name", "merge two functions",
"afM", " name", "print functions map",
"afn", "[?] name [addr]", "rename name for function at address (change flag too)",
"afna", "", "suggest automatic name for current offset",
"afo", " [fcn.name]", "show address for the function named like this",
"afs", " [addr] [fcnsign]", "get/set function signature at current address",
"afS", "[stack_size]", "set stack frame size for function at current address",
"aft", "[?]", "type matching, type propagation",
"afu", " [addr]", "resize and analyze function from current address until addr",
"afv[bsra]", "?", "manipulate args, registers and variables in function",
"afx", "", "list function references",
NULL
};
static const char *help_msg_afb[] = {
"Usage:", "afb", " List basic blocks of given function",
".afbr-", "", "Set breakpoint on every return address of the function",
".afbr-*", "", "Remove breakpoint on every return address of the function",
"afb", " [addr]", "list basic blocks of function",
"afb.", " [addr]", "show info of current basic block",
"afb+", " fcn_at bbat bbsz [jump] [fail] ([type] ([diff]))", "add basic block by hand",
"afbr", "", "Show addresses of instructions which leave the function",
"afbi", "", "print current basic block information",
"afbj", " [addr]", "show basic blocks information in json",
"afbe", " bbfrom bbto", "add basic-block edge for switch-cases",
"afB", " [bits]", "define asm.bits for the given function",
"afbc", " [addr] [color(ut32)]", "set a color for the bb at a given address",
NULL
};
static const char *help_msg_afc[] = {
"Usage:", "afc[agl?]", "",
"afc", " convention", "Manually set calling convention for current function",
"afc", "", "Show Calling convention for the Current function",
"afcr", "[j]", "Show register usage for the current function",
"afca", "", "Analyse function for finding the current calling convention",
"afcf", " [name]", "Prints return type function(arg1, arg2...)",
"afcl", "", "List all available calling conventions",
"afco", " path", "Open Calling Convention sdb profile from given path",
NULL
};
static const char *help_msg_afC[] = {
"Usage:", "afC", " [addr]",
"afC", "", "function cycles cost",
"afCc", "", "cyclomatic complexity",
"afCl", "", "loop count (backward jumps)",
NULL
};
static const char *help_msg_afi[] = {
"Usage:", "afi[jl*]", " <addr>",
"afi", "", "show information of the function",
"afi.", "", "show function name in current offset",
"afi*", "", "function, variables and arguments",
"afij", "", "function info in json format",
"afil", "", "verbose function info",
NULL
};
static const char *help_msg_afl[] = {
"Usage:", "afl", " List all functions",
"afl", "", "list functions",
"afl+", "", "display sum all function sizes",
"aflc", "", "count of functions",
"aflj", "", "list functions in json",
"afll", "", "list functions in verbose mode",
"afllj", "", "list functions in verbose mode (alias to aflj)",
"aflq", "", "list functions in quiet mode",
"aflqj", "", "list functions in json quiet mode",
"afls", "", "sort function list by address",
NULL
};
static const char *help_msg_afll[] = {
"Usage:", "", " List functions in verbose mode",
"", "", "",
"Table fields:", "", "",
"", "", "",
"address", "", "start address",
"size", "", "function size (realsize)",
"nbbs", "", "number of basic blocks",
"edges", "", "number of edges between basic blocks",
"cc", "", "cyclomatic complexity ( cc = edges - blocks + 2 * exit_blocks)",
"cost", "", "cyclomatic cost",
"min bound", "", "minimal address",
"range", "", "function size",
"max bound", "", "maximal address",
"calls", "", "number of caller functions",
"locals", "", "number of local variables",
"args", "", "number of function arguments",
"xref", "", "number of cross references",
"frame", "", "function stack size",
"name", "", "function name",
NULL
};
static const char *help_msg_afn[] = {
"Usage:", "afn[sa]", " Analyze function names",
"afn", " [name]", "rename the function",
"afna", "", "construct a function name for the current offset",
"afns", "", "list all strings associated with the current function",
NULL
};
static const char *help_msg_aft[] = {
"Usage:", "aft[a|m]", "",
"afta", "", "setup memory and analyse do type matching analysis for all functions",
"aftm", "", "type matching analysis for current function",
NULL
};
static const char *help_msg_afv[] = {
"Usage:", "afv","[rbs]",
"afvr", "[?]", "manipulate register based arguments",
"afvb", "[?]", "manipulate bp based arguments/locals",
"afvs", "[?]", "manipulate sp based arguments/locals",
"afv*", "", "output r2 command to add args/locals to flagspace",
"afvR", " [varname]", "list addresses where vars are accessed (READ)",
"afvW", " [varname]", "list addresses where vars are accessed (WRITE)",
"afva", "", "analyze function arguments/locals",
"afvd", " name", "output r2 command for displaying the value of args/locals in the debugger",
"afvn", " [new_name] ([old_name])", "rename argument/local",
"afvt", " [name] [new_type]", "change type for given argument/local",
"afv-", "([name])", "remove all or given var",
NULL
};
static const char *help_msg_afvb[] = {
"Usage:", "afvb", " [idx] [name] ([type])",
"afvb", "", "list base pointer based arguments, locals",
"afvb*", "", "same as afvb but in r2 commands",
"afvb", " [idx] [name] ([type])", "define base pointer based arguments, locals",
"afvbj", "", "return list of base pointer based arguments, locals in JSON format",
"afvb-", " [name]", "delete argument/locals at the given name",
"afvbg", " [idx] [addr]", "define var get reference",
"afvbs", " [idx] [addr]", "define var set reference",
NULL
};
static const char *help_msg_afvr[] = {
"Usage:", "afvr", " [reg] [type] [name]",
"afvr", "", "list register based arguments",
"afvr*", "", "same as afvr but in r2 commands",
"afvr", " [reg] [name] ([type])", "define register arguments",
"afvrj", "", "return list of register arguments in JSON format",
"afvr-", " [name]", "delete register arguments at the given index",
"afvrg", " [reg] [addr]", "define argument get reference",
"afvrs", " [reg] [addr]", "define argument set reference",
NULL
};
static const char *help_msg_afvs[] = {
"Usage:", "afvs", " [idx] [type] [name]",
"afvs", "", "list stack based arguments and locals",
"afvs*", "", "same as afvs but in r2 commands",
"afvs", " [idx] [name] [type]", "define stack based arguments,locals",
"afvsj", "", "return list of stack based arguments and locals in JSON format",
"afvs-", " [name]", "delete stack based argument or locals with the given name",
"afvsg", " [idx] [addr]", "define var get reference",
"afvss", " [idx] [addr]", "define var set reference",
NULL
};
static const char *help_msg_ag[] = {
"Usage:", "ag<graphtype><format> [addr]", "",
"Graph commands:", "", "",
"aga", "[format]", "Data references graph",
"agA", "[format]", "Global data references graph",
"agc", "[format]", "Function callgraph",
"agC", "[format]", "Global callgraph",
"agd", "[format] [fcn addr]", "Diff graph",
"agf", "[format]", "Basic blocks function graph",
"agi", "[format]", "Imports graph",
"agr", "[format]", "References graph",
"agR", "[format]", "Global references graph",
"agx", "[format]", "Cross references graph",
"agg", "[format]", "Custom graph",
"ag-", "", "Clear the custom graph",
"agn", "[?] title body", "Add a node to the custom graph",
"age", "[?] title1 title2", "Add an edge to the custom graph",
"","","",
"Output formats:", "", "",
"<blank>", "", "Ascii art",
"*", "", "r2 commands",
"d", "", "Graphviz dot",
"g", "", "Graph Modelling Language (gml)",
"j", "", "json ('J' for formatted disassembly)",
"k", "", "SDB key-value",
"t", "", "Tiny ascii art",
"v", "", "Interactive ascii art",
"w", " [path]", "Write to path or display graph image (see graph.gv.format and graph.web)",
NULL
};
static const char *help_msg_age[] = {
"Usage:", "age [title1] [title2]", "",
"Examples:", "", "",
"age", " title1 title2", "Add an edge from the node with \"title1\" as title to the one with title \"title2\"",
"age", " \"title1 with spaces\" title2", "Add an edge from node \"title1 with spaces\" to node \"title2\"",
"age-", " title1 title2", "Remove an edge from the node with \"title1\" as title to the one with title \"title2\"",
"age?", "", "Show this help",
NULL
};
static const char *help_msg_agn[] = {
"Usage:", "agn [title] [body]", "",
"Examples:", "", "",
"agn", " title1 body1", "Add a node with title \"title1\" and body \"body1\"",
"agn", " \"title with space\" \"body with space\"", "Add a node with spaces in the title and in the body",
"agn", " title1 base64:Ym9keTE=", "Add a node with the body specified as base64",
"agn-", " title1", "Remove a node with title \"title1\"",
"agn?", "", "Show this help",
NULL
};
static const char *help_msg_ah[] = {
"Usage:", "ah[lba-]", "Analysis Hints",
"ah?", "", "show this help",
"ah?", " offset", "show hint of given offset",
"ah", "", "list hints in human-readable format",
"ah.", "", "list hints in human-readable format from current offset",
"ah-", "", "remove all hints",
"ah-", " offset [size]", "remove hints at given offset",
"ah*", " offset", "list hints in radare commands format",
"aha", " ppc 51", "set arch for a range of N bytes",
"ahb", " 16 @ $$", "force 16bit for current instruction",
"ahc", " 0x804804", "override call/jump address",
"ahe", " 3,eax,+=", "set vm analysis string",
"ahf", " 0x804840", "override fallback address for call",
"ahh", " 0x804840", "highlight this adrress offset in disasm",
"ahi", "[?] 10", "define numeric base for immediates (1, 8, 10, 16, s)",
"ahj", "", "list hints in JSON",
"aho", " foo a0,33", "replace opcode string",
"ahp", " addr", "set pointer hint",
"ahr", " val", "set hint for return value of a function",
"ahs", " 4", "set opcode size=4",
"ahS", " jz", "set asm.syntax=jz for this opcode",
NULL
};
static const char *help_msg_ahi[] = {
"Usage:", "ahi [sbodh] [@ offset]", " Define numeric base",
"ahi", " [base]", "set numeric base (1, 2, 8, 10, 16)",
"ahi", " b", "set base to binary (2)",
"ahi", " d", "set base to decimal (10)",
"ahi", " h", "set base to hexadecimal (16)",
"ahi", " o", "set base to octal (8)",
"ahi", " p", "set base to htons(port) (3)",
"ahi", " i", "set base to IP address (32)",
"ahi", " S", "set base to syscall (80)",
"ahi", " s", "set base to string (1)",
NULL
};
static const char *help_msg_ao[] = {
"Usage:", "ao[e?] [len]", "Analyze Opcodes",
"aoj", " N", "display opcode analysis information in JSON for N opcodes",
"aoe", " N", "display esil form for N opcodes",
"aor", " N", "display reil form for N opcodes",
"aos", " N", "display size of N opcodes",
"aom", " [id]", "list current or all mnemonics for current arch",
"aod", " [mnemonic]", "describe opcode for asm.arch",
"aoda", "", "show all mnemonic descriptions",
"ao", " 5", "display opcode analysis of 5 opcodes",
"ao*", "", "display opcode in r commands",
NULL
};
static const char *help_msg_ar[] = {
"Usage: ar", "", "# Analysis Registers",
"ar", "", "Show 'gpr' registers",
"ar0", "", "Reset register arenas to 0",
"ara", "[?]", "Manage register arenas",
"ar", " 16", "Show 16 bit registers",
"ar", " 32", "Show 32 bit registers",
"ar", " all", "Show all bit registers",
"ar", " <type>", "Show all registers of given type",
"arC", "", "Display register profile comments",
"arr", "", "Show register references (telescoping)",
"arrj", "", "Show register references (telescoping) in JSON format",
"ar=", "([size])(:[regs])", "Show register values in columns",
"ar?", " <reg>", "Show register value",
"arb", " <type>", "Display hexdump of the given arena",
"arc", " <name>", "Conditional flag registers",
"ard", " <name>", "Show only different registers",
"arn", " <regalias>", "Get regname for pc,sp,bp,a0-3,zf,cf,of,sg",
"aro", "", "Show old (previous) register values",
"arp", "[?] <file>", "Load register profile from file",
"ars", "", "Stack register state",
"art", "", "List all register types",
"arw", " <hexnum>", "Set contents of the register arena",
".ar*", "", "Import register values as flags",
".ar-", "", "Unflag all registers",
NULL
};
static const char *help_msg_ara[] = {
"Usage:", "ara[+-s]", "Register Arena Push/Pop/Swap",
"ara", "", "show all register arenas allocated",
"ara", "+", "push a new register arena for each type",
"ara", "-", "pop last register arena",
"aras", "", "swap last two register arenas",
NULL
};
static const char *help_msg_arw[] = {
"Usage:", "arw ", "# Set contents of the register arena",
"arw", " <hexnum>", "Set contents of the register arena",
NULL
};
static const char *help_msg_as[] = {
"Usage: as[ljk?]", "", "syscall name <-> number utility",
"as", "", "show current syscall and arguments",
"as", " 4", "show syscall 4 based on asm.os and current regs/mem",
"asc[a]", " 4", "dump syscall info in .asm or .h",
"asf", " [k[=[v]]]", "list/set/unset pf function signatures (see fcnsign)",
"asj", "", "list of syscalls in JSON",
"asl", "", "list of syscalls by asm.os and asm.arch",
"asl", " close", "returns the syscall number for close",
"asl", " 4", "returns the name of the syscall number 4",
"ask", " [query]", "perform syscall/ queries",
NULL
};
static const char *help_msg_av[] = {
"Usage:", "av[?jr*]", " C++ vtables and RTTI",
"av", "", "search for vtables in data sections and show results",
"avj", "", "like av, but as json",
"av*", "", "like av, but as r2 commands",
"avr", "[j@addr]", "try to parse RTTI at vtable addr (see anal.cpp.abi)",
"avra", "[j]", "search for vtables and try to parse RTTI at each of them",
"avrD", " [classname]", "demangle a class name from RTTI",
NULL
};
static const char *help_msg_ax[] = {
"Usage:", "ax[?d-l*]", " # see also 'afx?'",
"ax", "", "list refs",
"ax*", "", "output radare commands",
"ax", " addr [at]", "add code ref pointing to addr (from curseek)",
"ax-", " [at]", "clean all refs/refs from addr",
"ax-*", "", "clean all refs/refs",
"axc", " addr [at]", "add generic code ref",
"axC", " addr [at]", "add code call ref",
"axg", " [addr]", "show xrefs graph to reach current function",
"axgj", " [addr]", "show xrefs graph to reach current function in json format",
"axd", " addr [at]", "add data ref",
"axq", "", "list refs in quiet/human-readable format",
"axj", "", "list refs in json format",
"axF", " [flg-glob]", "find data/code references of flags",
"axt", " [addr]", "find data/code references to this address",
"axf", " [addr]", "find data/code references from this address",
"axs", " addr [at]", "add string ref",
NULL
};
static void cmd_anal_init(RCore *core) {
DEFINE_CMD_DESCRIPTOR (core, a);
DEFINE_CMD_DESCRIPTOR (core, aa);
DEFINE_CMD_DESCRIPTOR (core, aar);
DEFINE_CMD_DESCRIPTOR (core, ab);
DEFINE_CMD_DESCRIPTOR (core, ad);
DEFINE_CMD_DESCRIPTOR (core, ae);
DEFINE_CMD_DESCRIPTOR (core, aea);
DEFINE_CMD_DESCRIPTOR (core, aec);
DEFINE_CMD_DESCRIPTOR (core, aep);
DEFINE_CMD_DESCRIPTOR (core, af);
DEFINE_CMD_DESCRIPTOR (core, afb);
DEFINE_CMD_DESCRIPTOR (core, afc);
DEFINE_CMD_DESCRIPTOR (core, afC);
DEFINE_CMD_DESCRIPTOR (core, afi);
DEFINE_CMD_DESCRIPTOR (core, afl);
DEFINE_CMD_DESCRIPTOR (core, afll);
DEFINE_CMD_DESCRIPTOR (core, afn);
DEFINE_CMD_DESCRIPTOR (core, aft);
DEFINE_CMD_DESCRIPTOR (core, afv);
DEFINE_CMD_DESCRIPTOR (core, afvb);
DEFINE_CMD_DESCRIPTOR (core, afvr);
DEFINE_CMD_DESCRIPTOR (core, afvs);
DEFINE_CMD_DESCRIPTOR (core, ag);
DEFINE_CMD_DESCRIPTOR (core, age);
DEFINE_CMD_DESCRIPTOR (core, agn);
DEFINE_CMD_DESCRIPTOR (core, ah);
DEFINE_CMD_DESCRIPTOR (core, ahi);
DEFINE_CMD_DESCRIPTOR (core, ao);
DEFINE_CMD_DESCRIPTOR (core, ar);
DEFINE_CMD_DESCRIPTOR (core, ara);
DEFINE_CMD_DESCRIPTOR (core, arw);
DEFINE_CMD_DESCRIPTOR (core, as);
DEFINE_CMD_DESCRIPTOR (core, ax);
}
static int cmpaddr (const void *_a, const void *_b) {
const RAnalFunction *a = _a, *b = _b;
return a->addr - b->addr;
}
static int listOpDescriptions(void *_core, const char *k, const char *v) {
r_cons_printf ("%s=%s\n", k, v);
return 1;
}
/* better aac for windows-x86-32 */
#define JAYRO_03 0
#if JAYRO_03
static bool anal_is_bad_call(RCore *core, ut64 from, ut64 to, ut64 addr, ut8 *buf, int bufi) {
ut64 align = R_ABS (addr % PE_ALIGN);
ut32 call_bytes;
// XXX this is x86 specific
if (align == 0) {
call_bytes = (ut32)((ut8*)buf)[bufi + 3] << 24;
call_bytes |= (ut32)((ut8*)buf)[bufi + 2] << 16;
call_bytes |= (ut32)((ut8*)buf)[bufi + 1] << 8;
call_bytes |= (ut32)((ut8*)buf)[bufi];
} else {
call_bytes = (ut32)((ut8*)buf)[bufi - align + 3] << 24;
call_bytes |= (ut32)((ut8*)buf)[bufi - align + 2] << 16;
call_bytes |= (ut32)((ut8*)buf)[bufi - align + 1] << 8;
call_bytes |= (ut32)((ut8*)buf)[bufi - align];
}
if (call_bytes >= from && call_bytes <= to) {
return true;
}
call_bytes = (ut32)((ut8*)buf)[bufi + 4] << 24;
call_bytes |= (ut32)((ut8*)buf)[bufi + 3] << 16;
call_bytes |= (ut32)((ut8*)buf)[bufi + 2] << 8;
call_bytes |= (ut32)((ut8*)buf)[bufi + 1];
call_bytes += addr + 5;
if (call_bytes >= from && call_bytes <= to) {
return false;
}
return false;
}
#endif
static bool type_cmd_afta (RCore *core, RAnalFunction *fcn) {
RListIter *it;
ut64 seek;
const char *io_cache_key = "io.pcache.write";
bool io_cache = r_config_get_i (core->config, io_cache_key);
if (r_config_get_i (core->config, "cfg.debug")) {
eprintf ("TOFIX: afta can't run in debugger mode.\n");
return false;
}
if (!io_cache) {
// XXX. we shouldnt need this, but it breaks 'r2 -c aaa -w ls'
r_config_set_i (core->config, io_cache_key, true);
}
seek = core->offset;
r_core_cmd0 (core, "aei");
r_core_cmd0 (core, "aeim");
r_reg_arena_push (core->anal->reg);
// Iterating Reverse so that we get function in top-bottom call order
r_list_foreach_prev (core->anal->fcns, it, fcn) {
int ret = r_core_seek (core, fcn->addr, true);
if (!ret) {
continue;
}
r_anal_esil_set_pc (core->anal->esil, fcn->addr);
r_core_anal_type_match (core, fcn);
if (r_cons_is_breaked ()) {
break;
}
}
r_core_cmd0 (core, "aeim-");
r_core_cmd0 (core, "aei-");
r_core_seek (core, seek, true);
r_reg_arena_pop (core->anal->reg);
r_config_set_i (core->config, io_cache_key, io_cache);
return true;
}
static void type_cmd(RCore *core, const char *input) {
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1);
if (!fcn && *input != '?' && *input != 'a') {
eprintf ("cant find function here\n");
return;
}
ut64 seek;
r_cons_break_push (NULL, NULL);
switch (*input) {
case 'a': // "afta"
type_cmd_afta (core, fcn);
break;
case 'm': // "aftm"
seek = core->offset;
r_anal_esil_set_pc (core->anal->esil, fcn? fcn->addr: core->offset);
r_core_anal_type_match (core, fcn);
r_core_seek (core, seek, true);
break;
case '?':
r_core_cmd_help (core, help_msg_aft);
break;
}
r_cons_break_pop ();
}
static int cc_print(void *p, const char *k, const char *v) {
if (!strcmp (v, "cc")) {
r_cons_println (k);
}
return 1;
}
static void find_refs(RCore *core, const char *glob) {
char cmd[128];
ut64 curseek = core->offset;
while (*glob == ' ') glob++;
if (!*glob) {
glob = "str.";
}
if (*glob == '?') {
eprintf ("Usage: arf [flag-str-filter]\n");
return;
}
eprintf ("Finding references of flags matching '%s'...\n", glob);
snprintf (cmd, sizeof (cmd) - 1, ".(findstref) @@= `f~%s[0]`", glob);
r_core_cmd0 (core, "(findstref,f here=$$,s entry0,/r here,f-here)");
r_core_cmd0 (core, cmd);
r_core_cmd0 (core, "(-findstref)");
r_core_seek (core, curseek, 1);
}
/* set flags for every function */
static void flag_every_function(RCore *core) {
RListIter *iter;
RAnalFunction *fcn;
r_flag_space_push (core->flags, "functions");
r_list_foreach (core->anal->fcns, iter, fcn) {
r_flag_set (core->flags, fcn->name,
fcn->addr, r_anal_fcn_size (fcn));
}
r_flag_space_pop (core->flags);
}
static void var_help(RCore *core, char ch) {
switch (ch) {
case 'b':
r_core_cmd_help (core, help_msg_afvb);
break;
case 's':
r_core_cmd_help (core, help_msg_afvs);
break;
case 'r':
r_core_cmd_help (core, help_msg_afvr);
break;
case '?':
r_core_cmd_help (core, help_msg_afv);
break;
default:
eprintf ("See afv?, afvb?, afvr? and afvs?\n");
}
}
static void var_accesses_list(RAnal *a, RAnalFunction *fcn, int delta, const char *typestr) {
const char *var_local = sdb_fmt ("var.0x%"PFMT64x".%d.%d.%s",
fcn->addr, 1, delta, typestr);
const char *xss = sdb_const_get (a->sdb_fcns, var_local, 0);
if (xss && *xss) {
r_cons_printf ("%s\n", xss);
} else {
r_cons_newline ();
}
}
static void list_vars(RCore *core, RAnalFunction *fcn, int type, const char *name) {
RAnalVar *var;
RListIter *iter;
RList *list = r_anal_var_all_list (core->anal, fcn);
if (type == '*') {
const char *bp = r_reg_get_name (core->anal->reg, R_REG_NAME_BP);
r_cons_printf ("f-fcnvar*\n");
r_list_foreach (list, iter, var) {
r_cons_printf ("f fcnvar.%s @ %s%s%d\n", var->name, bp,
var->delta>=0? "+":"", var->delta);
}
return;
}
if (type != 'W' && type != 'R') {
return;
}
const char *typestr = type == 'R'?"reads":"writes";
if (name && *name) {
var = r_anal_var_get_byname (core->anal, fcn->addr, name);
if (var) {
r_cons_printf ("%10s ", var->name);
var_accesses_list (core->anal, fcn, var->delta, typestr);
}
} else {
r_list_foreach (list, iter, var) {
r_cons_printf ("%10s ", var->name);
var_accesses_list (core->anal, fcn, var->delta, typestr);
}
}
}
static int cmd_an(RCore *core, bool use_json, const char *name)
{
ut64 off = core->offset;
RAnalOp op;
char *q = NULL;
ut64 tgt_addr = UT64_MAX;
if (use_json) {
r_cons_print ("[");
}
r_anal_op (core->anal, &op, off,
core->block + off - core->offset, 32, R_ANAL_OP_MASK_BASIC);
tgt_addr = op.jump != UT64_MAX ? op.jump : op.ptr;
if (op.var) {
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, off, 0);
if (fcn) {
RAnalVar *bar = r_anal_var_get_byname (core->anal, fcn->addr, op.var->name);
if (bar) {
if (name) {
r_anal_var_rename (core->anal, fcn->addr, bar->scope,
bar->kind, bar->name, name, true);
} else if (!use_json) {
r_cons_println (bar->name);
} else {
r_cons_printf ("{\"type\":\"var\",\"name\":\"%s\"}",
bar->name);
}
} else {
eprintf ("Cannot find variable\n");
}
} else {
eprintf ("Cannot find function\n");
}
} else if (tgt_addr != UT64_MAX) {
RAnalFunction *fcn = r_anal_get_fcn_at (core->anal, tgt_addr, R_ANAL_FCN_TYPE_NULL);
RFlagItem *f = r_flag_get_i (core->flags, tgt_addr);
if (fcn) {
if (name) {
q = r_str_newf ("afn %s 0x%"PFMT64x, name, tgt_addr);
} else if (!use_json) {
r_cons_println (fcn->name);
} else {
r_cons_printf ("{\"type\":\"function\",\"name\":\"%s\"}",
fcn->name);
}
} else if (f) {
if (name) {
q = r_str_newf ("fr %s %s", f->name, name);
} else if (!use_json) {
r_cons_println (f->name);
} else {
r_cons_printf ("{\"type\":\"flag\",\"name\":\"%s\"}",
f->name);
}
} else {
if (name) {
q = r_str_newf ("f %s @ 0x%"PFMT64x, name, tgt_addr);
} else if (!use_json) {
r_cons_printf ("0x%" PFMT64x "\n", tgt_addr);
} else {
r_cons_printf ("{\"type\":\"address\",\"offset\":"
"%" PFMT64u "}", tgt_addr);
}
}
}
if (use_json) {
r_cons_print ("]\n");
}
if (q) {
r_core_cmd0 (core, q);
free (q);
}
r_anal_op_fini (&op);
return 0;
}
static int var_cmd(RCore *core, const char *str) {
char *p, *ostr;
int delta, type = *str, res = true;
RAnalVar *v1;
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1);
ostr = p = NULL;
if (!str[0]) {
// "afv"
if (fcn) {
r_core_cmd0 (core, "afvs");
r_core_cmd0 (core, "afvb");
r_core_cmd0 (core, "afvr");
return true;
}
eprintf ("Cannot find function\n");
return false;
}
if (str[0] == 'j') {
// "afvj"
if (fcn) {
r_cons_printf ("{\"sp\":");
r_core_cmd0 (core, "afvsj");
r_cons_printf (",\"bp\":");
r_core_cmd0 (core, "afvbj");
r_cons_printf (",\"reg\":");
r_core_cmd0 (core, "afvrj");
r_cons_printf ("}\n");
return true;
}
eprintf ("Cannot find function\n");
return false;
}
if (!str[0] || str[1] == '?'|| str[0] == '?') {
var_help (core, *str);
return res;
}
if (!fcn) {
eprintf ("Cannot find function in 0x%08"PFMT64x"\n", core->offset);
return false;
}
ostr = p = strdup (str);
/* Variable access CFvs = set fun var */
switch (str[0]) {
case '-':
// "afv"
if (fcn) {
r_core_cmdf (core, "afvs-%s", str + 1);
r_core_cmdf (core, "afvb-%s", str + 1);
r_core_cmdf (core, "afvr-%s", str + 1);
return true;
}
eprintf ("Cannot find function\n");
return false;
case 'R': // "afvR"
case 'W': // "afvW"
case '*': // "afv*"
{
char *name = r_str_trim_head (strchr (ostr, ' '));
list_vars (core, fcn, str[0], name);
return true;
}
case 'a': // "afva"
r_anal_var_delete_all (core->anal, fcn->addr, R_ANAL_VAR_KIND_REG);
r_anal_var_delete_all (core->anal, fcn->addr, R_ANAL_VAR_KIND_BPV);
r_anal_var_delete_all (core->anal, fcn->addr, R_ANAL_VAR_KIND_SPV);
r_core_recover_vars (core, fcn, false);
free (p);
return true;
case 'n':
if (str[1]) { // "afvn"
RAnalOp *op = r_core_anal_op (core, core->offset, R_ANAL_OP_MASK_BASIC);
char *new_name = r_str_trim_head (strchr (ostr, ' '));
if (!new_name) {
r_anal_op_free (op);
free (ostr);
return false;
}
char *old_name = strchr (new_name, ' ');
if (!old_name) {
if (op && op->var) {
old_name = op->var->name;
} else {
eprintf ("Cannot find var @ 0x%08"PFMT64x"\n", core->offset);
r_anal_op_free (op);
free (ostr);
return false;
}
} else {
*old_name++ = 0;
r_str_trim (old_name);
}
v1 = r_anal_var_get_byname (core->anal, fcn->addr, old_name);