1 #!/usr/bin/env python3 2 import subprocess 3 import random 4 import re 5 6 alphabet = 'azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN123456789-_' 7 a_length = len(alphabet) 8 9 """ ACL support attribute """ 10 ACL4_SUPPORT_ALLOW_ACL = 0x00000001 11 ACL4_SUPPORT_DENY_ACL = 0x00000002 12 ACL4_SUPPORT_AUDIT_ACL = 0x00000004 13 ACL4_SUPPORT_ALARM_ACL = 0x00000008 14 15 class RandomGen(object): 16 17 18 """ List of ACE possible who fields """ 19 ace_who=["OWNER@","GROUP@","EVERYONE@","ANONYMOUS@","AUTHENTICATED@"] 20 21 """ List of GID than can be used to do the tests """ 22 gList=[] 23 gListSize = len(gList) 24 uList = [] 25 uListSize = len(uList) 26 27 fList=[] 28 fListSize = len(fList) 29 30 """ Create a user in available groups to do the tests """ 31 def createUser(self,username): 32 group = self.gList[random.randint(0,len(self.gList)-1)][0] 33 opts = "-g" + group + " -p" + "1pilot" + " -m " + username 34 u = subprocess.getoutput('/usr/sbin/useradd '+ opts) 35 if u != "": 36 print("create user " + username + "failed" + u) 37 38 def createFile(self,path,n): 39 for i in range(n): 40 fName = 'file' + str(i) 41 u = subprocess.getoutput('touch ' + path + '/'+ fName) 42 self.fList.append(fName) 43 44 def createGroup(self, grpname, gid): 45 u = subprocess.getoutput('/usr/sbin/groupadd -g' + gid + " " + grpname) 46 if u != "": 47 print(u) 48 49 def createNGroup(self, n): 50 for i in range(n): 51 gName = 'grp' + str(i) 52 gid = str(500+i) 53 self.createGroup(gName, gid) 54 55 56 """ Random creation of n user """ 57 def createNUser(self,n): 58 for i in range(n): 59 userName= "user" + str(i) 60 self.createUser(userName) 61 62 """ clean all users created to do the tests """ 63 def cleanUsers(self): 64 for name in self.uList: 65 u = subprocess.getoutput('/usr/sbin/userdel -r '+ name) 66 self.uList = [] 67 68 """ clean all users created to do the tests """ 69 def cleanGroups(self): 70 for name in self.gList: 71 u = subprocess.getoutput('/usr/sbin/groupdel '+ name[0]) 72 self.gList = [] 73 74 """ Retrieve the list of user from /etc/passwd file """ 75 def getUserList(self): 76 f = open('/etc/passwd','r') 77 lines = f.readlines() 78 for line in lines: 79 splitedline = line.split(':') 80 userName = splitedline[0] 81 gid = splitedline[3] 82 # TO FIX: verify that the group is OK (in the right range) 83 NameOK = re.match("user",userName) 84 # We keep only usernames starting with "user" 85 if NameOK != None: 86 self.uList.append(userName) 87 f.close() 88 89 def getFileList(self,path): 90 u = subprocess.getoutput('ls ' + path) 91 tmp = u.split('\n') 92 for i in range (len(tmp)-1): 93 NameOK = re.match("file",tmp[i]) 94 if NameOK != None: 95 self.fList.append(tmp[i]) 96 97 def getNUserList(self,nb): 98 f = open('/etc/passwd','r') 99 lines = f.readlines() 100 n = 0 101 for line in lines: 102 splitedline = line.split(':'); 103 userName = splitedline[0] 104 gid = splitedline[3] 105 # TO FIX: verify that the group is OK (in the right range) 106 NameOK = re.match("user",userName) 107 # We keep only usernames starting with "user" 108 if NameOK != None: 109 self.uList.append(userName) 110 n = n+1 111 if n==nb: 112 break; 113 f.close() 114 115 """ Get group list """ 116 def getGroupList(self): 117 f = open('/etc/group','r') 118 lines = f.readlines() 119 for line in lines: 120 splitedline = line.split(':'); 121 groupName = splitedline[0] 122 gid = splitedline[2] 123 NameOK = re.match("grp",groupName) 124 if NameOK != None: 125 self.gList.append([groupName,gid]) 126 f.close() 127 128 """ Get a list of n group """ 129 def getNGroupList(self,nb): 130 f = open('/etc/group','r') 131 lines = f.readlines() 132 n = 0 133 for line in lines: 134 splitedline = line.split(':'); 135 groupName = splitedline[0] 136 gid = splitedline[2] 137 NameOK = re.match("grp",groupName) 138 if NameOK != None: 139 self.gList.append([groupName,gid]) 140 n = n+1 141 if n==nb: 142 break; 143 f.close() 144 145 def printUserList(self): 146 print(self.uList) 147 148 def printGroupList(self): 149 print(self.gList) 150 151 """ Create a random name of random length """ 152 def createOneNameRandomLength(self,maxlength): 153 outputString ="" 154 l=random.randint(0,maxlength) 155 for i in range(l): 156 a = random.randint(0,a_length-1) 157 outputString =outputString + alphabet[a] 158 return outputString 159 160 """ Create a random name of fixed length """ 161 def createOneName(self,lenght): 162 outputString ="" 163 for i in range(length): 164 a = random.randint(0,a_length-1) 165 outputString = outputString + alphabet[a] 166 return outputString 167 168 """ Create Random User List with fixed length user names """ 169 def createRandomUserList(self,listlength,usernamelength): 170 userlist = [] 171 for i in range(listlength): 172 user = createOneName(lenght) 173 userlist.append(user) 174 return userlist 175 176 """ Create Random ACE for a file and a given usr """ 177 def createRandomACE(self,user): 178 type = ace_type[random.randint(0,len(ace_type))] 179 flag = ace_flags[random.randint(0,len(ace_flags))] 180 mask = ace_mask[random.randint(0,len(ace_mask))] 181 who = ace_who[random.randint(0,len(ace_who))] 182 return nfsace4(type, flag, mask, who) 183 184 """ Create Random ACL for a file with a fixed number a entries """ 185 def createRandomACL(self,acl_size): 186 acl = [] 187 userList = uList 188 userListSize = uListSize 189 for i in range(acl_size): 190 n = random.randint(0,userListSize-1) 191 usr = userList.pop(n) 192 newace = createRandomACE(usr) 193 acl.append(newace) 194 return acl 195 196 """ Return a mode string like 'xwr' or 'x' """ 197 def createRandomMode(self): 198 out_str = "" 199 while (out_str == ""): 200 if random.randint(0,1) == 1: 201 out_str += 'x' 202 if random.randint(0,1) == 1: 203 out_str += 'w' 204 if random.randint(0,1) == 1: 205 out_str += 'r' 206 return out_str 207 208 """ Create a random ACL operation (delete / remove / modify on user / group ) """ 209 def randomOp(self,path): 210 a = random.randint(1,4) 211 mode = self.createRandomMode() 212 file = self.fList[random.randint(0,len(self.fList)-1)] 213 if a == 1: # creation/modification 214 user = self.uList[random.randint(0,len(self.uList)-1)] 215 u = subprocess.getoutput('setfacl -m u:' + user + ':' + mode + " " + path + "/" + file) 216 217 if a == 2: # with group 218 group = self.gList[random.randint(0,len(self.gList)-1)][0] 219 u = subprocess.getoutput('setfacl -m g:' + group + ':' + mode + " " + path + "/" + file) 220 221 if a == 3: # deletation 222 user = self.uList[random.randint(0,len(self.uList)-1)] 223 u = subprocess.getoutput('setfacl -x u:' + user + " " + path + "/" + file) 224 225 if a == 4: # with group 226 group = self.gList[random.randint(0,len(self.gList)-1)][0] 227 u = subprocess.getoutput('setfacl -x g:' + group + " " + path + "/" + file) 228 229 # request on a unexisting group 230 '''if a == 5: 231 group = self.createOneNameRandomLength(16) 232 print 'setfacl -x g:' + group + " " + path + "/" + file 233 u = commands.getoutput('setfacl -x g:' + group + " " + path + "/" + file) 234 if a == 6: 235 user = self.createOneNameRandomLength(16) 236 u = commands.getoutput('setfacl -x u:' + user + " " + path + "/" + file) 237 238 if a == 7: # creation/modification 239 user = self.createOneNameRandomLength(16) 240 u = commands.getoutput('setfacl -m u:' + user + ':' + mode + " " + path + "/" + file) 241 242 if a == 8: # with group 243 group = self.createOneNameRandomLength(16) 244 u = commands.getoutput('setfacl -m g:' + group + ':' + mode + " " + path + "/" + file) 245 246 if a == 9: #Copying the ACL of one file to another 247 file2 = self.fList[random.randint(0,len(self.fList)-1)] 248 u = commands.getoutput('getfacl ' + path + "/" + file + "| setfacl --set-file=- " + path + "/" + file2) 249 if u!="": 250 print u''' 251 252
