我们从Python开源项目中，提取了以下22个代码示例，用于说明如何使用os.setreuid()。
def test_setreuid(self): if os.getuid() != 0: self.assertRaises(os.error, os.setreuid, 0, 0) self.assertRaises(OverflowError, os.setreuid, 1<<32, 0) self.assertRaises(OverflowError, os.setreuid, 0, 1<<32)
def test_setreuid_neg1(self): # Needs to accept -1. We run this in a subprocess to avoid # altering the test runner's process state (issue8045). subprocess.check_call([ sys.executable, '-c', 'import os,sys;os.setreuid(-1,-1);sys.exit(0)'])
def dropPrivsForever(self): self._elevatePrivs() os.setregid(self.unprivGid, self.unprivGid) os.setreuid(self.unprivUid, self.unprivUid)
def condDropPrivs(uid, gid): if gid is not None: os.setregid(gid, gid) if uid is not None: os.setreuid(uid, uid)
def deescalate_sudo(): uid = os.environ.get('SUDO_UID') gid = os.environ.get('SUDO_GID') if uid and gid: uid = int(uid) gid = int(gid) # username = pwd.getpwuid(uid).pw_name # groups = [g.gr_gid for g in grp.getgrall() if username in g.gr_mem] os.setgroups([]) # for now loose supplementary groups os.setregid(int(gid), int(gid)) os.setreuid(int(uid), int(uid))
def test_setreuid(self): if os.getuid() != 0: self.assertRaises(OSError, os.setreuid, 0, 0) self.assertRaises(OverflowError, os.setreuid, 1<<32, 0) self.assertRaises(OverflowError, os.setreuid, 0, 1<<32)
def setreuid(self, val1, val2): """ Override C{os.setreuid}. Save the action. """ self.actions.append(('setreuid', val1, val2))
def change_users_and_groups(mamaji_data): current_users = mamaji_data['current_users'] current_groups = mamaji_data['current_groups'] pending_users = mamaji_data['pending_users'] pending_groups = mamaji_data['pending_groups'] groups = mamaji_data['supplementary_groups'] if groups: os.setgroups(groups) group_types = [k for k in ['rgid', 'egid', 'sgid'] if pending_groups[k] is not None] group_types_len = len(group_types) if group_types_len == 3: setresgid(pending_groups['rgid'], pending_groups['egid'], pending_groups['sgid']) elif group_types_len == 2: if 'rgid' in group_types and 'egid' in group_types: os.setregid(pending_groups['rgid'], pending_groups['egid']) elif group_types_len == 1: if 'egid' in group_types: os.setegid(pending_groups['egid']) user_types = [k for k in ['ruid', 'euid', 'suid'] if pending_users[k] is not None] user_types_len = len(user_types) if user_types_len == 3: setresuid(pending_users['ruid'], pending_users['euid'], pending_users['suid']) elif user_types_len == 2: if 'ruid' in user_types and 'euid' in user_types: os.setreuid(pending_users['ruid'], pending_users['euid']) elif user_types_len == 1: if 'euid' in user_types: os.seteuid(pending_users['euid']) if pending_groups['gid'] is not None: os.setgid(pending_groups['gid']) if pending_users['uid'] is not None: os.setuid(pending_users['uid'])
def daemonize(self, user=0, group=0): # do the UNIX double-fork magic, see Stevens' "Advanced # Programming in the UNIX Environment" for details (ISBN 0201563177) try: pid = os.fork() if pid > 0: # exit first parent sys.exit(0) except OSError as e: sys.stderr.write("Fork failed (#1): %d (%s)\n" % (e.errno, e.strerror)) sys.exit(1) # decouple from parent environment # chdir -> don't prevent unmounting... os.chdir("/") # Create new process group with the process as leader os.setsid() # Set user/group depending on params if group: os.setregid(getgrnam(group)[2], getgrnam(group)[2]) if user: os.setreuid(getpwnam(user)[2], getpwnam(user)[2]) # do second fork try: pid = os.fork() if pid > 0: sys.exit(0) except OSError as e: sys.stderr.write("Fork failed (#2): %d (%s)\n" % (e.errno, e.strerror)) sys.exit(1) sys.stdout.flush() sys.stderr.flush() si = os.open("/dev/null", os.O_RDONLY) so = os.open("/dev/null", os.O_WRONLY) os.dup2(si, 0) os.dup2(so, 1) os.dup2(so, 2) os.close(si) os.close(so) self.logger.debug("Daemonized with PID %d.", os.getpid())
