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Kernel: Store process arguments and environment in coredumps

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Currently they're only pushed onto the stack but not easily accessible
from the Process class, so this adds a Vector<String> for both.
This commit is contained in:
Linus Groh 2021-01-15 20:21:03 +01:00 • committed by Andreas Kling
parent 7668e968af
commit 1ccc2e6482
4 changed files with 14 additions and 0 deletions
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4
Kernel/CoreDump.cpp
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@ -1,6 +1,7 @@
/* /*
* Copyright (c) 2019-2020, Jesse Buhagiar <jooster669@gmail.com> * Copyright (c) 2019-2020, Jesse Buhagiar <jooster669@gmail.com>
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com> * Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
* Copyright (c) 2020-2021, Linus Groh <mail@linusgroh.de>
* All rights reserved. * All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -26,6 +27,7 @@
*/ */
#include <AK/ByteBuffer.h> #include <AK/ByteBuffer.h>
#include <AK/JsonArray.h>
#include <AK/JsonObject.h> #include <AK/JsonObject.h>
#include <Kernel/CoreDump.h> #include <Kernel/CoreDump.h>
#include <Kernel/FileSystem/Custody.h> #include <Kernel/FileSystem/Custody.h>
@ -225,6 +227,8 @@ ByteBuffer CoreDump::create_notes_process_data() const
process_obj.set("pid", m_process->pid().value()); process_obj.set("pid", m_process->pid().value());
process_obj.set("termination_signal", m_process->termination_signal()); process_obj.set("termination_signal", m_process->termination_signal());
process_obj.set("executable_path", m_process->executable() ? m_process->executable()->absolute_path() : String::empty()); process_obj.set("executable_path", m_process->executable() ? m_process->executable()->absolute_path() : String::empty());
process_obj.set("arguments", JsonArray(m_process->arguments()));
process_obj.set("environment", JsonArray(m_process->environment()));
auto json_data = process_obj.to_string(); auto json_data = process_obj.to_string();
process_data.append(json_data.characters(), json_data.length() + 1); process_data.append(json_data.characters(), json_data.length() + 1);

2
Kernel/Process.cpp
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@ -641,6 +641,8 @@ void Process::finalize()
m_cwd = nullptr; m_cwd = nullptr;
m_root_directory = nullptr; m_root_directory = nullptr;
m_root_directory_relative_to_global_root = nullptr; m_root_directory_relative_to_global_root = nullptr;
m_arguments.clear();
m_environment.clear();
m_dead = true; m_dead = true;

6
Kernel/Process.h
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@ -400,6 +400,9 @@ public:
Custody* executable() { return m_executable.ptr(); } Custody* executable() { return m_executable.ptr(); }
const Custody* executable() const { return m_executable.ptr(); } const Custody* executable() const { return m_executable.ptr(); }
const Vector<String>& arguments() const { return m_arguments; };
const Vector<String>& environment() const { return m_environment; };
int number_of_open_file_descriptors() const; int number_of_open_file_descriptors() const;
int max_open_file_descriptors() const int max_open_file_descriptors() const
{ {
@ -614,6 +617,9 @@ private:
RefPtr<Custody> m_root_directory; RefPtr<Custody> m_root_directory;
RefPtr<Custody> m_root_directory_relative_to_global_root; RefPtr<Custody> m_root_directory_relative_to_global_root;
Vector<String> m_arguments;
Vector<String> m_environment;
RefPtr<TTY> m_tty; RefPtr<TTY> m_tty;
Region* find_region_from_range(const Range&); Region* find_region_from_range(const Range&);

2
Kernel/Syscalls/execve.cpp
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@ -507,6 +507,8 @@ int Process::do_exec(NonnullRefPtr<FileDescription> main_program_description, Ve
#endif #endif
m_executable = main_program_description->custody(); m_executable = main_program_description->custody();
m_arguments = arguments;
m_environment = environment;
m_promises = m_execpromises; m_promises = m_execpromises;