diff options
Diffstat (limited to 'libmisc/setugid.c')
-rw-r--r-- | libmisc/setugid.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/libmisc/setugid.c b/libmisc/setugid.c deleted file mode 100644 index 6dbe38e..0000000 --- a/libmisc/setugid.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh - * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz - * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko - * SPDX-FileCopyrightText: 2008 - 2010, Nicolas François - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -/* - * Separated from setup.c. --marekm - */ - -#include <config.h> - -#ident "$Id$" - -#include <stdio.h> -#include <grp.h> -#include <errno.h> -#include "prototypes.h" -#include "defines.h" -#include <pwd.h> -#include "getdef.h" - -/* - * setup_groups - set the group credentials - * set the group ID to the value from the password file entry - * set the supplementary group IDs - * - * In case of PAM enabled configurations, this shall be called before - * pam_setcred. - * - * Returns 0 on success, or -1 on failure. - */ -int setup_groups (const struct passwd *info) -{ - /* - * Set the real group ID to the primary group ID in the password - * file. - */ - if (setgid (info->pw_gid) == -1) { - int err = errno; - perror ("setgid"); - SYSLOG ((LOG_ERR, "bad group ID `%d' for user `%s': %s\n", - info->pw_gid, info->pw_name, strerror (err))); - closelog (); - return -1; - } -#ifdef HAVE_INITGROUPS - /* - * For systems which support multiple concurrent groups, go get - * the group set from the /etc/group file. - */ - if (initgroups (info->pw_name, info->pw_gid) == -1) { - int err = errno; - perror ("initgroups"); - SYSLOG ((LOG_ERR, "initgroups failed for user `%s': %s\n", - info->pw_name, strerror (err))); - closelog (); - return -1; - } -#endif - return 0; -} - -/* - * change_uid - Set the real UID - * - * Returns 0 on success, or -1 on failure. - */ -int change_uid (const struct passwd *info) -{ - /* - * Set the real UID to the UID value in the password file. - */ - if (setuid (info->pw_uid) != 0) { - int err = errno; - perror ("setuid"); - SYSLOG ((LOG_ERR, "bad user ID `%d' for user `%s': %s\n", - (int) info->pw_uid, info->pw_name, strerror (err))); - closelog (); - return -1; - } - return 0; -} - -/* - * setup_uid_gid() performs the following steps - - * - * set the group ID to the value from the password file entry - * set the supplementary group IDs - * optionally call specified function which may add more groups - * set the user ID to the value from the password file entry - * - * Returns 0 on success, or -1 on failure. - */ - -#if defined (HAVE_INITGROUPS) && ! (defined USE_PAM) -int setup_uid_gid (const struct passwd *info, bool is_console) -#else -int setup_uid_gid (const struct passwd *info) -#endif -{ - if (setup_groups (info) < 0) { - return -1; - } - -#if defined (HAVE_INITGROUPS) && ! defined (USE_PAM) - if (is_console) { - const char *cp = getdef_str ("CONSOLE_GROUPS"); - - if ((NULL != cp) && (add_groups (cp) != 0)) { - perror ("Warning: add_groups"); - } - } -#endif /* HAVE_INITGROUPS && !USE_PAM*/ - - if (change_uid (info) < 0) { - return -1; - } - - return 0; -} - |