Radare2: 3.1.0 – codename Shibboleet

Radare2 3.1.0 – Release Notes

Version: 3.1.0
From: 3.0.1
To: 3.1.0
Commits: 375
Contributors: 52

Radare2 3.1.0 – New Features & Fixes

Anal

• Improvements arm/thumb analysis
  • anal: arm: emulate correctly BX PC in arm32/thumb
  • anal: arm: modify r_anal_build_range_on_hints
  • anal: arm: handle better anal hints to increase performance
• Use r_return in RAnalOp, reduce some code paths in xrefs search
• axt with a space handles local var xrefs
• Fix #9709 – Implement aeab to get input and output regs of the basic block
• Fix r_core_anal_graph_to and abt, abtj commands
• Fixed ttj feature for printing in JSON
• Set as dword all the jmptbl offsets
• Support overlapping basic blocks in anal.endsize
• Cannot extract reg args if no calling convention is present
• af-* removes jmprefs as well
• Enable invalid insn notification in fcn_recurse and remove warn-near-end break
• Handle alias returns and delay slot for SPARC
• pdf sparse honors anal.jmpmid + afb+ fills op_pos array (x86 only)
• Add new axff command (xrefs from function)
• Check addrs 1-by-1 in pdf sparse code
• Honor anal.jmpmid in r_anal_fcn_bbget_in (fixes test and bug in pdr and graph)
• Fix #10420 – Enable anal.jmpmid and support overlapping bbs
• Improve array indexing in disassembly
• Remove aae dup and enable anal.types.constraint in aaaa
• Small optimization and bugfix when auto-renaming functions
• anal.jmpmid: Continue analysis after jump to middle of instruction
• Use op->val instead of op->ptr in cmp [mem], imm
• Add missing FITFCNSZ in r_anal_fcn_split_bb
• Add new function prelude for ARM thumb
• Implement ARM32/Thumb ESIL for ADR and ADDW
• Fix #11879 – Move aae in aaa
• Check addrs 1-by-1 in pdf sparse code

Asm

• Support REX in NOT instruction for the x86 assembler
• Fix #12239 – crash in the x86.nz assembler

Bin

• Introduce RBinArchOptions to avoid creating fake RBinFile/Objects
• Access last ElfSymbol only after reallocating the array
• Fix #12194 – Resolve symbol names in WebAssembly bins
• New RBin plugin for “symbols” files
• Fix #9825 – Wrong import addresses in the ELF for ppc64 elfs
• Fix some bugs in RBin.mdmp
• Remove deprecated load methods from MZ parser
• Implement load_buffer for MZ parser
• Cleanup and fix the MZ
• Correctly allocate strings when filtering them
• Fix #12082 – infinite loop when loading PE
• Use ht to query strings for the cfstrings
• Refactoring RBin.open/close and RBinOptions
• Improve MSVC detection and demangling
• Another RBin API cleanup
• Fix last gf 4byte write overflow in ELF
• Fix big allocation issue found by googlefuzz in ELF
• Fix #11947 and fix #11945 – Implement iS= and iSq.
• Eliminate unnecessary global in mach0 parser
• Parse the LC_MAIN in rabin2 -H
• Fix googlefuzz crash caused by oob in shdr_link
• Fix loading of entrypoints on some huge mach0s
• Refactoring and optimization for the RBin.language identification
• Fix #11922 – Allocate space for sentinel too
• Fix a crash in the OMF RBin parser
• Lookup for golang and asan traces once
• Fix crash in fuzzed sega master system rom
• Fix crash in the MZ parser found by googlefuzz
• Parse the mach0’s requirements codesign slot
• Fix entry0’s hvaddr for ELF

Build

• Handle libr/libs.custom.mk to make partial r2 builds if you need just a portion of r2
• Fix ios-arm32
• Add –without-libuv and companion flags in ios-static-appstore.sh
• Fix MacOS Mojave User Debugging Problem
• Downgrade credentials when building with sudo
• Add -static for the binaries when –with-libr
• Add io.r2web, io.r2pipe, fs.io and debug.io for iOS
• Fix the build of the iOS SDK

Core

• Fix #12060 and #12072 – Rewrite r_num_abs and r_num_units
• Fix #10324 – Implement RLog API for leveled logging

Debug

• Fix #12022 – Slow backtrace fixed by speeding up ptrace_wrap_func()
• Add dbg.verbose variable to show more info when debugging
• Improve pid_to_task and handle =!pid
• Fix some spawn args escape bugs

Disasm

• Fix ANSI injection vulnerability in pd and pdj
• Fix #12202 – Add asm.maxflags to specify how many flags per offset we want to see
• Fix #11889 – Fix varsub when some ansi escape sequences are involved
• Fix echo in ppc disassembler on invalid instructions
• Honor asm.bb.middle in r_core_print_disasm_instructions()
• Honor asm.bb.middle in r_core_print_disasm_json() / pdfj
• Use fastcall in emustr on function calls
• Fix heap overflow in long asm lines /via radareorg/cutter#803
• Add asm.bb.middle: Realign disasm on bb start

Docs

• Remove legacy issue templates and use modern one’s
• Fixed typo in DEVELOPERS.md

Esil

• Fix zero interrupt issue

Graph

• Fix asm.flags.inbytes not showing in graph

Magic

• Add help in wtf!? and add bitcode magic signature

Panels

• First step to support xrefs in visual panels

Port

• self plugin is now working in DragonFlyBSD
• Support DragonflyBSD build and backtrace
• Adding self proc support for FreeBSD

Print

• Implement , and ; in pf to rewind and be able to support unions
• Fix #12116 – Implement bytesize for pvj
• Add pfj Z format

Projects

• Open radare2 project after loading plugins and keep the -e flags

Refactor

• ELF plugin code cleaning
• Upgrade SDB and use the new HtPP, HtUP, HtUU
• Remove “referenced” from RBinObject and remove get_object
• Move trie, mixed, slist into Sdb’s Attic, and DES from util to crypto
• Remove other unused functions in RBin and make others static
• Cast arguments to ut8 when feeding ctype.h functions
• RBinSection now lives in the heap
• Remove unused functions in iosections
• Remove all S commands
• Use r_return_* in RAnal’s cc and fcn
• Modernize RFlag with asserts, boolified and more
• Initial import of the REvent API
• Remove SR commands
• Fix #11936 – Optimize RCons.hud with cache
• Fix build and start refactor of r_cons_hud()
• Remove Sf command
• Kill anal.bb.align variable
• remove r_bin_load_io2 and rename MODE defines
• Code cleanup in the mach0 parser
• Fix #11881 r_list_length assert for o->libs
• Some code cleanup and asserts in RBin
• Upgrade SDB and use the new HtPP, HtUP, HtUU
• Remove “referenced” from RBinObject and remove get_object
• Remove all S commands

Search

• /Cd is now using a proper bitmask to search the values
• Fix regression in /rc and avoid repeated errors
• Fix #11977 – Handle arg in on /r subcommands
• Fix #11961 – /at swi for unconditional (or cswi)

Types

• ta command now takes an optional offset argument
• Implemented tec command
• Add ttc – dump types in C syntax
• Fix #12166 – Implement tt* to list all types at once

Visual

• Add support for shift-arrows in st and rxvt-unicode
• Fix #12307 – Escape ansi chars in cbin
• Improve the Visual xrefs with from/to disasm and handle JK
• Move the fcn refs visual feature into the view instead of adding more keys
• Fix #12230 – Honor cursor in Vp xX
• Fix #12258 – Fix glitches in VV with |= aka cmd.gprompt
• Get cursor position only if screen_bounds == 1
• Fix VJ scrolling stuck issue
• Improve the visual titlebar in cursor is enabled
• Change the behaviour of V< and V> to make it slurp or dump files
• Initial support for key repetitions in visual mode
• Fix #11552 – Implemlent r_cons_more and refactor some less.c
• Implement scr.scrollbar
• Implement cmd.hexcursor feature
• Add stack.reg and handle pP in Vppc
• Add LL command to lock screen
• Fix the resizing algorithm of panels
• Fix help in panels
• Fix : command
• Change the default panels depending on the analysis
• Null terminate buffer to fix garbage in psi, psb and psz
• Properly support the Hud in panels ?? && _
• Handle / key in visual panels to set scr.highlight
• Handle ^C in RCons.less

Wasm

• Initial ESIL support for WASM

Windows

• Fix gmtime_r for msvc
• Fix visual panels crash on Windows
• Fix unicode path issues in Windows