diff options
Diffstat (limited to 'tools/user.cpp')
-rw-r--r-- | tools/user.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/tools/user.cpp b/tools/user.cpp deleted file mode 100644 index 85d7e50..0000000 --- a/tools/user.cpp +++ /dev/null @@ -1,102 +0,0 @@ -// -// Automated Testing Framework (atf) -// -// Copyright (c) 2007 The NetBSD Foundation, Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions -// are met: -// 1. Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// 2. Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in the -// documentation and/or other materials provided with the distribution. -// -// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND -// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, -// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY -// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE -// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER -// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR -// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN -// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// - -extern "C" { -#include <sys/param.h> -#include <sys/types.h> - -#include <limits.h> -#include <pwd.h> -#include <unistd.h> -} - -#include <cassert> -#include <stdexcept> -#include <string> - -#include "user.hpp" - -namespace impl = tools::user; -#define IMPL_NAME "tools::user" - -uid_t -impl::euid(void) -{ - return ::geteuid(); -} - -void -impl::drop_privileges(const std::pair< int, int > ids) -{ - if (::setgid(ids.second) == -1) - throw std::runtime_error("Failed to drop group privileges"); - if (::setuid(ids.first) == -1) - throw std::runtime_error("Failed to drop user privileges"); -} - -std::pair< int, int > -impl::get_user_ids(const std::string& user) -{ - const struct passwd* pw = ::getpwnam(user.c_str()); - if (pw == NULL) - throw std::runtime_error("Failed to get information for user " + user); - return std::make_pair(pw->pw_uid, pw->pw_gid); -} - -bool -impl::is_member_of_group(gid_t gid) -{ - static gid_t groups[NGROUPS_MAX]; - static int ngroups = -1; - bool found; - int i; - - if (ngroups == -1) { - ngroups = getgroups(NGROUPS_MAX, groups); - assert(ngroups >= 0); - } - - found = false; - for (i = 0; !found && i < ngroups; i++) - if (groups[i] == gid) - found = true; - return found; -} - -bool -impl::is_root(void) -{ - return ::geteuid() == 0; -} - -bool -impl::is_unprivileged(void) -{ - return ::geteuid() != 0; -} |