ce83cf6361
Add alpm_sandbox_child() function that will be used for switching to a less priviledged user to run child processes. Signed-off-by: Allan McRae <allan@archlinux.org>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* sandbox.c
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*
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* Copyright (c) 2021-2022 Pacman Development Team <pacman-dev@lists.archlinux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <grp.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "alpm.h"
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#include "util.h"
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int SYMEXPORT alpm_sandbox_setup_child(const char* sandboxuser)
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{
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struct passwd const *pw = NULL;
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ASSERT(sandboxuser != NULL, return -1);
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ASSERT(getuid() == 0, return -1);
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ASSERT((pw = getpwnam(sandboxuser)), return -1);
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ASSERT(setgid(pw->pw_gid) == 0, return -1);
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ASSERT(setgroups(0, NULL) == 0, return -1);
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ASSERT(setuid(pw->pw_uid) == 0, return -1);
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return 0;
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}
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