sandbox: Switch to exile.h (former qssb.h)

This commit is contained in:
Albert S. 2021-12-02 10:15:11 +01:00
parent 696ff9b7e7
commit d0e7ff0a8c
6 changed files with 18 additions and 19 deletions

6
.gitmodules vendored
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@ -4,6 +4,6 @@
[submodule "submodules/cpp-httplib"]
path = submodules/cpp-httplib
url = https://github.com/yhirose/cpp-httplib
[submodule "submodules/qssb.h"]
path = submodules/qssb.h
url = https://gitea.quitesimple.org/crtxcr/qssb.h.git
[submodule "submodules/exile.h"]
path = submodules/exile.h
url = https://gitea.quitesimple.org/crtxcr/exile.h.git

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@ -3,7 +3,7 @@ CPPSTD=c++20
CXXFLAGS=-std=$(CPPSTD) -O0 -g -no-pie -pipe -MMD -Wall -Wextra
RELEASE_CXXFLAGS=-std=$(CPPSTD) -O3 -pipe -MMD -Wall -Wextra
LDFLAGS=-lsqlite3 -lpthread -lcrypto -lstdc++fs
INCLUDEFLAGS=-I submodules/sqlitemoderncpp/hdr -I submodules/cpp-httplib -I submodules/qssb.h
INCLUDEFLAGS=-I submodules/sqlitemoderncpp/hdr -I submodules/cpp-httplib -I submodules/exile.h
CXX=g++

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@ -72,8 +72,7 @@ Building
Dependencies:
- cpp-httplib: https://github.com/yhirose/cpp-httplib
- SqliteModernCpp: https://github.com/SqliteModernCpp
- qssb.h: https://gitea.quitesimple.org/crtxcr/qssb.h
- libseccomp: https://github.com/seccomp/libseccomp
- exile.h: https://gitea.quitesimple.org/crtxcr/exile.h
- sqlite3: https://sqlite.org/index.html
The first three are header-only libraries that are included as a git submodule. The others must

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@ -13,7 +13,7 @@
#include <sys/mount.h>
#include <sys/capability.h>
#define HAVE_LANDLOCK 0
#include <qssb.h>
#include <exile.h>
#include "../logger.h"
#include "../utils.h"
#include "../random.h"
@ -46,7 +46,7 @@ bool SandboxLinux::enable(std::vector<std::string> fsPaths)
std::sort(fsPaths.begin(), fsPaths.end(),
[](const std::string &a, const std::string &b) { return a.length() < b.length(); });
struct qssb_policy *policy = qssb_init_policy();
struct exile_policy *policy = exile_init_policy();
if(policy == NULL)
{
Logger::error() << "Failed to init sandboxing policy (worker) ";
@ -54,37 +54,37 @@ bool SandboxLinux::enable(std::vector<std::string> fsPaths)
}
for(unsigned int i = 0; i < fsPaths.size(); i++)
{
qssb_append_path_policy(policy, QSSB_FS_ALLOW_READ | QSSB_FS_ALLOW_WRITE, fsPaths[i].c_str());
exile_append_path_policy(policy, EXILE_FS_ALLOW_READ | EXILE_FS_ALLOW_WRITE, fsPaths[i].c_str());
}
policy->drop_caps = 1;
policy->not_dumpable = 1;
policy->no_new_privs = 1;
policy->mount_path_policies_to_chroot = 1;
if(qssb_append_group_syscall_policy(policy, QSSB_SYSCALL_ALLOW, QSSB_SYSCGROUP_DEFAULT_ALLOW) != 0)
if(exile_append_group_syscall_policy(policy, EXILE_SYSCALL_ALLOW, EXILE_SYSCGROUP_DEFAULT_ALLOW) != 0)
{
Logger::error() << "Sandbox: Failed to add whitelist!";
qssb_free_policy(policy);
exile_free_policy(policy);
return false;
}
if(qssb_append_group_syscall_policy(policy, QSSB_SYSCALL_ALLOW, QSSB_SYSCGROUP_SOCKET | QSSB_SYSCGROUP_FUTEX | QSSB_SYSCGROUP_PATH | QSSB_SYSCGROUP_SCHED | EXILE_SYSCGROUP_TIME) != 0)
if(exile_append_group_syscall_policy(policy, EXILE_SYSCALL_ALLOW, EXILE_SYSCGROUP_SOCKET | EXILE_SYSCGROUP_FUTEX | EXILE_SYSCGROUP_PATH | EXILE_SYSCGROUP_SCHED | EXILE_SYSCGROUP_TIME) != 0)
{
Logger::error() << "Sandbox: Failed to add socket group!";
qssb_free_policy(policy);
exile_free_policy(policy);
return false;
}
if(qssb_append_syscall_default_policy(policy, QSSB_SYSCALL_DENY_KILL_PROCESS) != 0)
if(exile_append_syscall_default_policy(policy, EXILE_SYSCALL_DENY_KILL_PROCESS) != 0)
{
Logger::error() << "Sandbox: Default policy";
qssb_free_policy(policy);
exile_free_policy(policy);
return false;
}
if(qssb_enable_policy(policy) != 0)
if(exile_enable_policy(policy) != 0)
{
Logger::error() << "Sandbox: Activation of seccomp blacklist failed!";
qssb_free_policy(policy);
exile_free_policy(policy);
return false;
}
qssb_free_policy(policy);
exile_free_policy(policy);
return true;
}

1
submodules/exile.h Submodule

@ -0,0 +1 @@
Subproject commit 1b4c5477a55191f74d29bc264678e041bf0f2a42

@ -1 +0,0 @@
Subproject commit d847d0f996679c77741b85959988dd9e65d63b97