def getGroup(self,mess,a): # %nss getGroup gr_gid=1000 gr_name=stud
s=''
p=None
print a
try:
if (a.has_key('gr_gid')):
p=grp.getgruid(a['gr_uid'])
elif (a.has_key('gr_name')):
p=grp.getgrnam(a['gr_name'])
else:
groups=grp.getgrall()
i=0
while (i<len(groups)):
groups[i]=self.grpStructToDict(groups[i])
i+=1
s='@'+mess.getID()+'\n'+self.d.packData(groups,'json')
except:
p=None
if (s==''):
if (p!=None):
s='@'+mess.getID()+'\n'+self.d.packData(self.grpStructToDict(p),'json')
else:
s='@'+mess.getID()+'\n'+'success=false'
out=xmpp.Message(mess.getFrom(),s)
mid=self.d.genId()
out.setID(mid)
return out
def run(self):
# drop privileges if requested
if os.getuid() == 0:
# change the GID
if self.group != None:
try:
group = grp.getgrnam(self.group)
except:
try:
group = grp.getgruid(int(self.group))
except:
raise ServerError("no such group %s" % self.group)
try:
os.setgid(group.gr_gid)
logger.debug("changed runtime group to %s" % group.gr_name)
except Exception, e:
raise ServerError("failed to set runtime group: %s" % e)
# change the UID and supplementary groups
if self.user != None:
try:
user = pwd.getpwnam(self.user)
except:
try:
user = pwd.getpwuid(int(self.user))
except:
raise ServerError("no such user %s" % self.user)
groups = [ g.gr_gid for g in grp.getgrall() if user.pw_name in g.gr_mem ]
try:
os.setgroups(groups)
os.setuid(user.pw_uid)
logger.debug("changed runtime user to %s" % user.pw_name)
except Exception, e:
raise ServerError("failed to set runtime user: %s" % e)
def get_gid(grp_str):
'''
Attempts to convert the input string to a gid.
Args:
group_str: A number stored as a string
Returns:
An int that is a gid
'''
gid = int(grp_str)
try:
return grp.getgruid(int(grp_str)).gr_gid
except:
return gid
def run(self):
# drop privileges if requested
if os.getuid() == 0:
# change the GID
if self.group != None:
try:
group = grp.getgrnam(self.group)
except:
try:
group = grp.getgruid(int(self.group))
except:
raise ServerError("no such group %s" % self.group)
try:
os.setgid(group.gr_gid)
logger.debug("changed runtime group to %s" % group.gr_name)
except Exception, e:
raise ServerError("failed to set runtime group: %s" % e)
# change the UID and supplementary groups
if self.user != None:
try:
user = pwd.getpwnam(self.user)
except:
try:
user = pwd.getpwuid(int(self.user))
except:
raise ServerError("no such user %s" % self.user)
groups = [
g.gr_gid for g in grp.getgrall()
if user.pw_name in g.gr_mem
]
try:
os.setgroups(groups)
os.setuid(user.pw_uid)
logger.debug("changed runtime user to %s" % user.pw_name)
except Exception, e:
raise ServerError("failed to set runtime user: %s" % e)
