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2023-02-24r2: Simplify Symtbl construction in get_locals()v0.2Malfurious1-3/+1
Signed-off-by: Malfurious <m@lfurio.us> Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2023-02-24symtbl: Rename file to match class nameMalfurious1-2/+2
I assume that the preferred style is to leave one major class each to a file. In this case, synchronize the names of the Symtbl class and its containing module. Per PEP8, the module is lowercase, and the class remains Pascal case. If other memory-oriented utilities are introduced in the future, we may wish to move them, as well as Symtbl, back into a subpackage named 'mem'. Signed-off-by: Malfurious <m@lfurio.us> Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-09-12sploit: rev: Properly base Symtbls for non-PIC binariesMalfurious1-1/+6
The baddr property identified by r2 is now used as the base address for ELF symbol tables. This should not change the addresses retrieved via the table normally, however should fix the internal offsets of the table so that rebasing makes sense. Note that for PIC/PIE binaries we would already get a Symtbl with 'correct' offsets, as r2 is unable to absolutely resolve them for us. In these cases, the Symtbl base value remains at zero. Signed-off-by: Malfurious <m@lfurio.us> Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: add stack base pointer to locals symtbldusoleil1-1/+3
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: print hex of addresses in rev logsdusoleil1-2/+2
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: add status logging to rev moduledusoleil1-0/+11
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: cache results of external commandsdusoleil1-2/+2
rather than cacheing ELF instantiations, just cache the results of external commands Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: typo fix in rev.r2dusoleil1-1/+1
accidentally left the argument as "elf" instead of "binary" and had the arguments in the wrong order Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: consolidate r2 symbol search callsdusoleil1-16/+5
Consolidate some of the r2 calls that get combined to create the symbol list. Instead of doing multiple calls with different greps within radare2, just do a single call and search it in the python side. This gives us a slight, but noticeable performance increase. Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: fix r2 module syntax errordusoleil1-12/+12
forgot to remove the r2 namespace from the calls from back when it was implemented differently Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: reverse direction of r2 get_locals offsetsdusoleil1-1/+1
rev.r2's get_locals() function returns a Symtbl of offsets representing the local variables on in a stack frame of a particular function. The offsets returned by r2 are based around the base of the stack, but they are increasing in value as they grow from the stack. To properly model memory, they should decrease in value as they grow from the stack. Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
2022-03-13sploit: add r2 funcionality to rev moduledusoleil1-0/+92
Add an r2 module with several helper functions that do a number of simple reverse engineering tasks to aid in writing simple sploit scripts. The functions in this module invoke radare2 to accomplish their tasks. Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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