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e3aced8e MM |
1 | # vi: encoding=utf-8 ts=8 sts=4 sw=4 et |
2 | ||
459e7d48 MM |
3 | import os |
4 | import time | |
88d4cb67 MM |
5 | import config |
6 | import common | |
7 | import md5 | |
08b49edd | 8 | import ftptree |
459e7d48 | 9 | |
459e7d48 | 10 | |
e3aced8e MM |
11 | def parse(con): |
12 | if '\0' not in con.data: | |
13 | return | |
14 | cmds=con.data.split('\0')[:-1] | |
15 | ||
16 | for cmd in cmds: | |
17 | con.data=con.data[len(cmd)+1:] | |
18 | cmdname=cmd[:4] | |
08b49edd | 19 | if not con.authorized and cmdname not in ('linp', 'linc', 'name'): |
5fcf3f9a MM |
20 | raise BailOut |
21 | # TODO: log unauthorized access | |
6992b18d MM |
22 | if cmdname in cmdlist_noargs: |
23 | if len(cmd)==4: | |
24 | cmdlist_noargs[cmdname](con) | |
25 | else: | |
26 | pass | |
27 | # TODO: log malicious msg | |
28 | elif cmdname in cmdlist_args: | |
29 | if len(cmd)>5: | |
30 | cmdlist_args[cmdname](con, cmd[5:]) | |
31 | else: | |
32 | pass | |
33 | # TODO: log malicious msg | |
e3aced8e | 34 | else: |
5fcf3f9a | 35 | raise BailOut |
e3aced8e MM |
36 | # TODO: log this |
37 | ||
e3aced8e MM |
38 | |
39 | def lock(con, arg, hard): | |
40 | if arg not in locks: | |
135e7889 | 41 | locks[arg]={'hard': hard, 'name': con.name, 'time': int(time.time())} |
e3aced8e | 42 | con.sock.send("OK") |
135e7889 | 43 | elif locks[arg]['hard']: |
e3aced8e MM |
44 | con.sock.send("HARD") # Hard lock - you can go get a cup of tea |
45 | else: | |
46 | con.sock.send("SOFT") # Soft lock - try in a second or two | |
47 | ||
48 | ||
b55905f2 | 49 | def cmd_unlock(con, arg): |
e3aced8e MM |
50 | if arg in locks: |
51 | del locks[arg] | |
6b4b841a AM |
52 | con.sock.send("OK") |
53 | else: | |
54 | con.sock.send("FAIL") | |
e3aced8e | 55 | |
b55905f2 | 56 | def cmd_lock_soft(con, arg): |
e3aced8e MM |
57 | lock(con, arg, False) |
58 | ||
b55905f2 | 59 | def cmd_lock_hard(con, arg): |
e3aced8e MM |
60 | lock(con, arg, True) |
61 | ||
6b4b841a AM |
62 | def cmd_show_locks(con): |
63 | cmd_log(con, "Dumping locks data:"); | |
64 | if len(locks): | |
65 | for lockdata in locks.iteritems(): | |
66 | tree, data = lockdata | |
67 | cmd_log(con, "Tree: %s, Conn name: %s, Hard Lock: %s, Time: %s" | |
68 | % (tree, data['name'], data['hard'], time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(data['time'])))) | |
69 | else: | |
70 | cmd_log(con, "No locks found."); | |
459e7d48 | 71 | |
b55905f2 MM |
72 | def cmd_log(con, msg): |
73 | logfile.write('%s [%s] -- %s\n' % (time.strftime('%Y-%m-%d %H:%M:%S'), | |
74 | con.name, msg)) | |
459e7d48 | 75 | logfile.flush() |
e3aced8e | 76 | |
b55905f2 MM |
77 | def cmd_name(con, name): |
78 | con.name=name | |
79 | ||
88d4cb67 MM |
80 | def load_creds(): |
81 | global users, cookies | |
82 | users={} | |
83 | cookies={} | |
84 | if not common.fileexists(common.ftpadmdir+'var/passwd'): | |
85 | return | |
86 | else: | |
87 | f=open(common.ftpadmdir+'var/passwd', 'r') | |
88 | for line in f.xreadlines(): | |
89 | x=line.strip().split(':') | |
90 | if len(x)>=2: | |
91 | users[x[0]]=x[1] | |
92 | f.close() | |
93 | if not common.fileexists(common.ftpadmdir+'var/cookies'): | |
94 | return | |
95 | else: | |
96 | f=open(common.ftpadmdir+'var/cookies', 'r') | |
97 | for line in f.xreadlines(): | |
98 | x=line.strip().split(':') | |
99 | if len(x)>=2: | |
100 | users[x[0]]=x[1] | |
101 | f.close() | |
102 | ||
103 | def write_cookies(): | |
104 | f=open(common.ftpadmdir+'var/cookies', 'w') | |
105 | for key in cookies.keys(): | |
106 | f.write('%s:%s\n' % (key, cookies[key])) | |
107 | f.close() | |
108 | ||
6992b18d MM |
109 | def cmd_login_passwd(con, data): |
110 | tmp=data.split('\n') | |
111 | if len(tmp)!=2: | |
112 | raise BailOut | |
113 | login=tmp[0] | |
114 | passwd=tmp[1] | |
38492fee MM |
115 | md5pass=md5.new(passwd).hexdigest() |
116 | if login in users and users[login]==md5pass: | |
117 | cookie=`time.time()`.split('.')[0]+'_'+md5.new(md5pass+salt).hexdigest() | |
88d4cb67 MM |
118 | cookies[cookie]=login |
119 | write_cookies() | |
08b49edd | 120 | con.username=login |
88d4cb67 MM |
121 | con.authorized=True |
122 | con.sock.send('OK '+cookie) | |
6992b18d MM |
123 | else: |
124 | # TODO: log this | |
125 | con.sock.send('FAIL') | |
126 | raise BailOut | |
127 | ||
128 | def cmd_login_cookie(con, cookie): | |
88d4cb67 MM |
129 | if cookie in cookies: |
130 | con.cookie=cookie | |
131 | con.authorized=True | |
08b49edd | 132 | con.username=cookies[cookie] |
88d4cb67 | 133 | con.sock.send('OK '+cookies[cookie]) |
6992b18d MM |
134 | else: |
135 | # TODO: log this (or not) | |
136 | con.sock.send('FAIL') | |
137 | ||
138 | def cmd_logout(con): | |
88d4cb67 MM |
139 | if con.cookie in cookies: |
140 | del cookies[con.cookie] | |
141 | write_cookies() | |
08b49edd MM |
142 | |
143 | def reloadftptree(): | |
144 | global srctree, pkglist | |
145 | srctree=ftptree.FtpTree(config.value['default_to'], loadall=True) | |
146 | pkglist=srctree.keys() | |
147 | pkglist.sort() | |
148 | ||
149 | def cmd_gettree(con): | |
150 | buf='' | |
85f3481a | 151 | for pkgnvr in pkglist: |
08b49edd | 152 | # TODO: show only user's own pkgs |
85f3481a MM |
153 | pkg=srctree[pkgnvr] |
154 | line=pkgnvr | |
5d490a9c MM |
155 | if pkg.marked4moving: |
156 | line=line+'\n1' | |
157 | else: | |
158 | line=line+'\n0' | |
159 | if pkg.marked4removal: | |
160 | line=line+'\n1' | |
161 | else: | |
162 | line=line+'\n0' | |
163 | buf=buf+'\0'+line | |
08b49edd MM |
164 | if buf: |
165 | con.sock.send('%.6d' % (len(buf)-1)) | |
166 | con.sock.send(buf[1:]) | |
167 | else: | |
168 | con.sock.send('000000') | |
169 | ||
6992b18d MM |
170 | |
171 | cmdlist_args={'lcks':cmd_lock_soft, 'lckh':cmd_lock_hard, 'ulck':cmd_unlock, | |
172 | 'log1':cmd_log, 'name':cmd_name, 'linp':cmd_login_passwd, | |
173 | 'linc':cmd_login_cookie} | |
174 | ||
6b4b841a | 175 | cmdlist_noargs={'lout':cmd_logout, 'gett':cmd_gettree, 'slck':cmd_show_locks} |
6992b18d | 176 | |
88d4cb67 MM |
177 | # Global stuff and initializations |
178 | ||
179 | BailOut="BailOut" | |
180 | locks={} | |
181 | logfile=open(common.ftpadmdir+'var/log', 'a') | |
182 | load_creds() | |
08b49edd | 183 | reloadftptree() |
38492fee | 184 | salt=md5.new(`time.time()`).hexdigest() |
e3aced8e | 185 |