Mercurial > gnulib
view tests/test-idpriv-drop.c @ 40163:b89f4c441767
Avoid build errors due to wrong references between modules.
* lib/uninorm/canonical-decomposition.c: Include
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* lib/unicase/u32-ct-totitle.c: Likewise.
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* lib/unicase/u32-ct-tolower.c: Likewise.
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"unicasemap.h", and "unicase/casefold.h", not "casefold.h".
* lib/unicase/u16-ct-casefold.c: Likewise.
* lib/unicase/u32-ct-casefold.c: Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 28 Jan 2019 01:20:11 +0100 |
parents | b06060465f09 |
children |
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/* Test of dropping uid/gid privileges of the current process permanently. Copyright (C) 2009-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include "idpriv.h" #include <stdbool.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "macros.h" static void show_uids () { #if HAVE_GETRESUID /* glibc, FreeBSD, OpenBSD, HP-UX */ uid_t real; uid_t effective; uid_t saved; ASSERT (getresuid (&real, &effective, &saved) >= 0); printf ("uids: real=%d effective=%d saved=%d", (int) real, (int) effective, (int) saved); #elif HAVE_GETEUID printf ("uids: real=%d effective=%d", (int) getuid (), (int) geteuid ()); #elif HAVE_GETUID printf ("uids: real=%d", (int) getuid ()); #endif } static void show_gids () { #if HAVE_GETRESGID /* glibc, FreeBSD, OpenBSD, HP-UX */ gid_t real; gid_t effective; gid_t saved; ASSERT (getresgid (&real, &effective, &saved) >= 0); printf ("gids: real=%d effective=%d saved=%d", (int) real, (int) effective, (int) saved); #elif HAVE_GETEGID printf ("gids: real=%d effective=%d", (int) getgid (), (int) getegid ()); #elif HAVE_GETGID printf ("gids: real=%d", (int) getgid ()); #endif } static void show (const char *prefix) { printf ("%s ", prefix); show_uids (); printf (" "); show_gids (); printf ("\n"); } int main (int argc, char *argv[]) { bool verbose = false; int i; #if HAVE_GETUID int uid = getuid (); #endif #if HAVE_GETGID int gid = getgid (); #endif /* Parse arguments. -v enables verbose output. */ for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (strcmp (arg, "-v") == 0) verbose = true; } if (verbose) show ("before drop:"); ASSERT (idpriv_drop () == 0); if (verbose) show ("after drop: "); /* Verify that the privileges have really been dropped. */ #if HAVE_GETRESUID /* glibc, FreeBSD, OpenBSD, HP-UX */ { uid_t real; uid_t effective; uid_t saved; if (getresuid (&real, &effective, &saved) < 0 || real != uid || effective != uid || saved != uid) abort (); } #else # if HAVE_GETEUID if (geteuid () != uid) abort (); # endif # if HAVE_GETUID if (getuid () != uid) abort (); # endif #endif #if HAVE_GETRESGID /* glibc, FreeBSD, OpenBSD, HP-UX */ { gid_t real; gid_t effective; gid_t saved; if (getresgid (&real, &effective, &saved) < 0 || real != gid || effective != gid || saved != gid) abort (); } #else # if HAVE_GETEGID if (getegid () != gid) abort (); # endif # if HAVE_GETGID if (getgid () != gid) abort (); # endif #endif return 0; }