1 import commands 2 import random 3 import re 4 5 alphabet = 'azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN123456789-_' 6 a_length = len(alphabet) 7 8 """ ACL support attribute """ 9 ACL4_SUPPORT_ALLOW_ACL = 0x00000001 10 ACL4_SUPPORT_DENY_ACL = 0x00000002 11 ACL4_SUPPORT_AUDIT_ACL = 0x00000004 12 ACL4_SUPPORT_ALARM_ACL = 0x00000008 13 14 class RandomGen(object): 15 16 17 """ List of ACE possible who fields """ 18 ace_who=["OWNER@","GROUP@","EVERYONE@","ANONYMOUS@","AUTHENTICATED@"] 19 20 """ List of GID than can be used to do the tests """ 21 gList=[] 22 gListSize = len(gList) 23 uList = [] 24 uListSize = len(uList) 25 26 fList=[] 27 fListSize = len(fList) 28 29 """ Create a user in available groups to do the tests """ 30 def createUser(self,username): 31 group = self.gList[random.randint(0,len(self.gList)-1)][0] 32 opts = "-g" + group + " -p" + "1pilot" + " -m " + username 33 u = commands.getoutput('/usr/sbin/useradd '+ opts) 34 if u != "": 35 print "create user " + username + "failed" + u 36 37 def createFile(self,path,n): 38 for i in range(n): 39 fName = 'file' + str(i) 40 u = commands.getoutput('touch ' + path + '/'+ fName) 41 self.fList.append(fName) 42 43 def createGroup(self, grpname, gid): 44 u = commands.getoutput('/usr/sbin/groupadd -g' + gid + " " + grpname) 45 if u != "": 46 print u 47 48 def createNGroup(self, n): 49 for i in range(n): 50 gName = 'grp' + str(i) 51 gid = str(500+i) 52 self.createGroup(gName, gid) 53 54 55 """ Random creation of n user """ 56 def createNUser(self,n): 57 for i in range(n): 58 userName= "user" + str(i) 59 self.createUser(userName) 60 61 """ clean all users created to do the tests """ 62 def cleanUsers(self): 63 for name in self.uList: 64 u = commands.getoutput('/usr/sbin/userdel -r '+ name) 65 self.uList = [] 66 67 """ clean all users created to do the tests """ 68 def cleanGroups(self): 69 for name in self.gList: 70 u = commands.getoutput('/usr/sbin/groupdel '+ name[0]) 71 self.gList = [] 72 73 """ Retrieve the list of user from /etc/passwd file """ 74 def getUserList(self): 75 f = open('/etc/passwd','r') 76 lines = f.readlines() 77 for line in lines: 78 splitedline = line.split(':') 79 userName = splitedline[0] 80 gid = splitedline[3] 81 # TO FIX: verify that the group is OK (in the right range) 82 NameOK = re.match("user",userName) 83 # We keep only usernames starting with "user" 84 if NameOK != None: 85 self.uList.append(userName) 86 f.close() 87 88 def getFileList(self,path): 89 u = commands.getoutput('ls ' + path) 90 tmp = u.split('\n') 91 for i in range (len(tmp)-1): 92 NameOK = re.match("file",tmp[i]) 93 if NameOK != None: 94 self.fList.append(tmp[i]) 95 96 def getNUserList(self,nb): 97 f = open('/etc/passwd','r') 98 lines = f.readlines() 99 n = 0 100 for line in lines: 101 splitedline = line.split(':'); 102 userName = splitedline[0] 103 gid = splitedline[3] 104 # TO FIX: verify that the group is OK (in the right range) 105 NameOK = re.match("user",userName) 106 # We keep only usernames starting with "user" 107 if NameOK != None: 108 self.uList.append(userName) 109 n = n+1 110 if n==nb: 111 break; 112 f.close() 113 114 """ Get group list """ 115 def getGroupList(self): 116 f = open('/etc/group','r') 117 lines = f.readlines() 118 for line in lines: 119 splitedline = line.split(':'); 120 groupName = splitedline[0] 121 gid = splitedline[2] 122 NameOK = re.match("grp",groupName) 123 if NameOK != None: 124 self.gList.append([groupName,gid]) 125 f.close() 126 127 """ Get a list of n group """ 128 def getNGroupList(self,nb): 129 f = open('/etc/group','r') 130 lines = f.readlines() 131 n = 0 132 for line in lines: 133 splitedline = line.split(':'); 134 groupName = splitedline[0] 135 gid = splitedline[2] 136 NameOK = re.match("grp",groupName) 137 if NameOK != None: 138 self.gList.append([groupName,gid]) 139 n = n+1 140 if n==nb: 141 break; 142 f.close() 143 144 def printUserList(self): 145 print self.uList 146 147 def printGroupList(self): 148 print self.gList 149 150 """ Create a random name of random length """ 151 def createOneNameRandomLength(self,maxlength): 152 outputString ="" 153 l=random.randint(0,maxlength) 154 for i in range(l): 155 a = random.randint(0,a_length-1) 156 outputString =outputString + alphabet[a] 157 return outputString 158 159 """ Create a random name of fixed length """ 160 def createOneName(self,lenght): 161 outputString ="" 162 for i in range(length): 163 a = random.randint(0,a_length-1) 164 outputString = outputString + alphabet[a] 165 return outputString 166 167 """ Create Random User List with fixed length user names """ 168 def createRandomUserList(self,listlength,usernamelength): 169 userlist = [] 170 for i in range(listlength): 171 user = createOneName(lenght) 172 userlist.append(user) 173 return userlist 174 175 """ Create Random ACE for a file and a given usr """ 176 def createRandomACE(self,user): 177 type = ace_type[random.randint(0,len(ace_type))] 178 flag = ace_flags[random.randint(0,len(ace_flags))] 179 mask = ace_mask[random.randint(0,len(ace_mask))] 180 who = ace_who[random.randint(0,len(ace_who))] 181 return nfsace4(type, flag, mask, who) 182 183 """ Create Random ACL for a file with a fixed number a entries """ 184 def createRandomACL(self,acl_size): 185 acl = [] 186 userList = uList 187 userListSize = uListSize 188 for i in range(acl_size): 189 n = random.randint(0,userListSize-1) 190 usr = userList.pop(n) 191 newace = createRandomACE(usr) 192 acl.append(newace) 193 return acl 194 195 """ Return a mode string like 'xwr' or 'x' """ 196 def createRandomMode(self): 197 out_str = "" 198 while (out_str == ""): 199 if random.randint(0,1) == 1: 200 out_str += 'x' 201 if random.randint(0,1) == 1: 202 out_str += 'w' 203 if random.randint(0,1) == 1: 204 out_str += 'r' 205 return out_str 206 207 """ Create a random ACL operation (delete / remove / modify on user / group ) """ 208 def randomOp(self,path): 209 a = random.randint(1,4) 210 mode = self.createRandomMode() 211 file = self.fList[random.randint(0,len(self.fList)-1)] 212 if a == 1: # creation/modification 213 user = self.uList[random.randint(0,len(self.uList)-1)] 214 u = commands.getoutput('setfacl -m u:' + user + ':' + mode + " " + path + "/" + file) 215 216 if a == 2: # with group 217 group = self.gList[random.randint(0,len(self.gList)-1)][0] 218 u = commands.getoutput('setfacl -m g:' + group + ':' + mode + " " + path + "/" + file) 219 220 if a == 3: # deletation 221 user = self.uList[random.randint(0,len(self.uList)-1)] 222 u = commands.getoutput('setfacl -x u:' + user + " " + path + "/" + file) 223 224 if a == 4: # with group 225 group = self.gList[random.randint(0,len(self.gList)-1)][0] 226 u = commands.getoutput('setfacl -x g:' + group + " " + path + "/" + file) 227 228 # request on a unexisting group 229 '''if a == 5: 230 group = self.createOneNameRandomLength(16) 231 print 'setfacl -x g:' + group + " " + path + "/" + file 232 u = commands.getoutput('setfacl -x g:' + group + " " + path + "/" + file) 233 if a == 6: 234 user = self.createOneNameRandomLength(16) 235 u = commands.getoutput('setfacl -x u:' + user + " " + path + "/" + file) 236 237 if a == 7: # creation/modification 238 user = self.createOneNameRandomLength(16) 239 u = commands.getoutput('setfacl -m u:' + user + ':' + mode + " " + path + "/" + file) 240 241 if a == 8: # with group 242 group = self.createOneNameRandomLength(16) 243 u = commands.getoutput('setfacl -m g:' + group + ':' + mode + " " + path + "/" + file) 244 245 if a == 9: #Copying the ACL of one file to another 246 file2 = self.fList[random.randint(0,len(self.fList)-1)] 247 u = commands.getoutput('getfacl ' + path + "/" + file + "| setfacl --set-file=- " + path + "/" + file2) 248 if u!="": 249 print u''' 250 251
