PrivilegeUtils Class Reference

#include <privilege_utils.hpp>

Static Public Member Functions
static bool	is_running_as_root ()
static bool	can_read_source (const std::string &path)
static std::string	self_executable_path ()
static std::string	shell_quote (const std::string &s)
static std::string	build_pkexec_relaunch_command (const std::string &extra_args="")
static bool	launch_pkexec_relaunch (std::string &error, const std::string &extra_args="")

Detailed Description

Definition at line 5 of file privilege_utils.hpp.

Member Function Documentation

build_pkexec_relaunch_command()

std::string PrivilegeUtils::build_pkexec_relaunch_command ( const std::string & extra_args = "" )

static

Definition at line 39 of file privilege_utils.cpp.

                                                                                   {
    const std::string exe = shell_quote(self_executable_path());
    std::string cmd = "pkexec ";
    cmd += exe;
    if (!extra_args.empty()) {
        cmd += " ";
        cmd += extra_args;
    }
    return cmd;
}

References self_executable_path(), and shell_quote().

Referenced by launch_pkexec_relaunch().

can_read_source()

bool PrivilegeUtils::can_read_source ( const std::string & path )

static

Definition at line 13 of file privilege_utils.cpp.

                                                          {
    return !path.empty() && ::access(path.c_str(), R_OK) == 0;
}

Referenced by MainWindow::on_scan_now(), MainWindow::populate_device_lists(), and MainWindow::update_source_state().

is_running_as_root()

bool PrivilegeUtils::is_running_as_root ( )

static

Definition at line 9 of file privilege_utils.cpp.

                                        {
    return ::geteuid() == 0;
}

Referenced by MainWindow::on_launch_elevated(), MainWindow::on_scan_now(), MainWindow::populate_device_lists(), and MainWindow::update_source_state().

launch_pkexec_relaunch()

bool PrivilegeUtils::launch_pkexec_relaunch ( std::string & error, const std::string & extra_args = "" )

static

Definition at line 50 of file privilege_utils.cpp.

                                                                                         {
    const std::string cmd = build_pkexec_relaunch_command(extra_args) + " >/dev/null 2>&1 &";
    const int rc = std::system(cmd.c_str());
    if (rc != 0) {
        error = std::string("pkexec launch failed: ") + std::strerror(errno);
        return false;
    }
    return true;
}

References build_pkexec_relaunch_command().

Referenced by MainWindow::on_launch_elevated().

self_executable_path()

std::string PrivilegeUtils::self_executable_path ( )

static

Definition at line 17 of file privilege_utils.cpp.

                                               {
#ifdef __linux__
    char buf[4096] = {0};
    const ssize_t n = ::readlink("/proc/self/exe", buf, sizeof(buf) - 1);
    if (n > 0) {
        buf[n] = '\0';
        return std::string(buf);
    }
#endif
    return "bastionguard-recovery-data";
}

Referenced by build_pkexec_relaunch_command().

shell_quote()

std::string PrivilegeUtils::shell_quote ( const std::string & s )

static

Definition at line 29 of file privilege_utils.cpp.

                                                        {
    std::string out = "'";
    for (char c : s) {
        if (c == '\'') out += "'\\''";
        else out.push_back(c);
    }
    out += "'";
    return out;
}

Referenced by build_pkexec_relaunch_command().

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The documentation for this class was generated from the following files:

• BastionGuard/thirdparty/bastionguard-recovery-data/src/privilege_utils.hpp
• BastionGuard/thirdparty/bastionguard-recovery-data/src/privilege_utils.cpp