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Description:
pysymbolcheck 2.9.4
Purpose
This tool does check compiled elf-files (and all dependencies) against given rules.
Objectives are
check for discouraged functions (e.g. strcpy)
check for combinations of symbols (e.g. mutex and pthreads)
Usage
usage: pysymbolcheck [-h] [--libpath LIBPATH] rules file
Eval symbols of a binary against given rules
positional arguments:
rules Path to a rule file
file File to parse
optional arguments:
-h, --help show this help message and exit
--libpath LIBPATH ":" separated path to lookup libraries
Rule file format
a rule file consists of a json-array, like this
[]
within this n element of the following can be added
{ "severity": "error", "id": "A_Unique_ID", "msg": "some message", "rule", "<rule>" }
for severity it is advised to use only info, warning or error
Rule definition
A rule can consist of any logical combined operation such as
((A && B) || (C && D )) && !E
to get the needed information following keywords are implemented
keyword
variables
purpose
example
AVAILABLE()
symbol-name
check if a symbol is defined in the binary or any referenced lib
AVAILABLE(strncpy)
USED()
symbol-name
check if a symbol is used by some binary or lib
USED(strncpy)
SIZE()
symbol-name
get the size in bytes of a symbol
SIZE(strncpy)
TYPE()
symbol-name
get the type in bytes of a symbol
TYPE(strncpy)
&&
n.a.
logical and
A && B
||
n.a.
logical or
A || B
!
n.a.
not operator
!A
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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