#!/usr/bin/python # # A GUI configurator for generating Fetchmail configuration files # by Eric S. Raymond, . # Requires Python with Tkinter, and the following services: # posix, posixpath, socket # # Version 0.90 beta: Tue May 26 12:00:49 EDT 1998 # Version 0.91 beta: Tue Jun 2 12:23:42 EDT 1998 # Version 0.92 beta: Wed Jun 3 14:17:03 EDT 1998 # Version 0.93 beta: Wed Jun 3 19:46:06 EDT 1998 # Version 0.94 beta: Thu Jun 4 12:09:06 EDT 1998 # # TO DO: Arrange for save and quit buttons to clean up all frames dependent # on the current ones. from Tkinter import * from Dialog import * import sys, time, os, string, socket, getopt # # Define the data structures the GUIs will be tossing around # class Configuration: def __init__(self): self.poll_interval = 0 # Normally, run in foreground self.syslog = FALSE # Use syslogd for logging? self.logfile = None # No logfile, initially self.idfile = os.environ["HOME"] + "/.fetchids" # Default idfile, initially self.invisible = FALSE # Suppress Received line & spoof? self.servers = [] # List of included sites Configuration.typemap = ( ('poll_interval', 'Int'), ('syslog', 'Boolean'), ('logfile', 'String'), ('idfile', 'String'), ('invisible', 'Boolean')) def __repr__(self): str = ""; if self.syslog != ConfigurationDefaults.syslog: str = str + ("set syslog\n") elif self.logfile: str = str + ("set logfile \"%s\"\n" % (self.logfile,)); if self.idfile != ConfigurationDefaults.idfile: str = str + ("set idfile \"%s\"\n" % (self.idfile,)); if self.poll_interval > 0: str = str + "set daemon " + `self.poll_interval` + "\n" for site in self.servers: str = str + repr(site) return str def __str__(self): return "[Configuration: " + repr(self) + "]" class Server: def __init__(self): self.pollname = None # Poll label self.via = None # True name of host self.active = TRUE # Poll status self.interval = 0 # Skip interval self.protocol = 'auto' # Default to auto protocol self.port = 0 # Port number to use self.uidl = FALSE # Don't use RFC1725 UIDLs by default self.auth = 'password' # Default to password authentication self.timeout = 300 # 5-minute timeout self.envelope = 'Received' # Envelope-address header self.envskip = 0 # Number of envelope headers to skip self.qvirtual = None # Name prefix to strip self.aka = [] # List of DNS aka names self.dns = TRUE # Enable DNS lookup on multidrop self.localdomains = [] # Domains to be considered local self.interface = None # IP address and range self.monitor = None # IP address and range self.netsec = None # IPV6 security options self.users = [] # List of user entries for site Server.typemap = ( ('pollname', 'String'), ('via', 'String'), ('active', 'Boolean'), ('interval', 'Int'), ('protocol', 'String'), ('interval', 'Int'), ('port', 'Int'), ('uidl', 'Boolean'), ('auth', 'String'), ('timeout', 'Int'), ('envelope', 'String'), ('envskip', 'Int'), ('qvirtual', 'String'), # leave aka out ('dns', 'Boolean'), # leave localdomains out ('interface', 'String'), ('monitor', 'String'), ('netsec', 'String')) def dump(self, folded): str = "" if self.active: str = str + "poll" else: str = str + "skip" str = str + (" " + self.pollname) if self.via: str = str + (" via \"%s\"\n" % (self.via,)); if self.protocol != ServerDefaults.protocol: str = str + " with proto " + self.protocol if self.port != defaultports[self.protocol] and self.port != 0: str = str + " port " + `self.port` if self.timeout != ServerDefaults.timeout: str = str + " timeout " + `self.timeout` if self.interval != ServerDefaults.interval: str = str + " interval " + `self.interval` if self.envelope != ServerDefaults.envelope or self.envskip != ServerDefaults.envskip: if self.envskip: str = str + " envelope " + self.envskip + " " + self.envelope else: str = str + " envelope " + self.envelope if self.qvirtual: str = str + (" qvirtual \"%s\"\n" % (self.qvirtual,)); if self.auth != ServerDefaults.auth: str = str + " auth " + self.auth if self.dns != ServerDefaults.dns or self.uidl != ServerDefaults.uidl: str = str + " and options" if self.dns != ServerDefaults.dns: str = str + flag2str(self.dns, 'dns') if self.uidl != ServerDefaults.uidl: str = str + flag2str(self.uidl, 'uidl') if folded: str = str + "\n " else: str = str + " " if self.aka: str = str + "aka" for x in self.aka: str = str + " " + x if self.aka and self.localdomains: str = str + " " if self.localdomains: str = str + ("localdomains") for x in self.localdomains: str = str + " " + x if (self.aka or self.localdomains): if folded: str = str + "\n " else: str = str + " " if self.interface: str = str + "interface \"" + self.interface + "\"" if self.monitor: str = str + "monitor \"" + self.monitor + "\"" if self.netsec: str = str + "netsec \"" + self.netsec + "\"" if self.interface or self.monitor or self.netsec: if folded: str = str + "\n" if str[-1] == " ": str = str[0:-1] for user in self.users: str = str + repr(user) str = str + "\n" return str; def __repr__(self): return self.dump(TRUE) def __str__(self): return "[Server: " + self.dump(FALSE) + "]" class User: def __init__(self): self.remote = os.environ["USER"]# Remote username self.localnames = [self.remote,]# Local names self.password = None # Password for mail account access self.mailboxes = [] # Remote folders to retrieve from self.smtphunt = [] # Hosts to forward to self.smtpaddress = None; # Append this to MAIL FROM line self.preconnect = None # Connection setup self.postconnect = None # Connection wrapup self.mda = None # Mail Delivery Agent self.antispam = 571; # Listener's spam-block code self.keep = FALSE # Keep messages self.flush = FALSE # Flush messages self.fetchall = FALSE # Fetch old messages self.rewrite = TRUE # Rewrite message headers self.forcecr = FALSE # Force LF -> CR/LF self.stripcr = FALSE # Strip CR self.pass8bits = FALSE # Force BODY=7BIT self.mimedecode = FALSE # Undo MIME armoring self.dropstatus = FALSE # Drop incoming Status lines self.limit = 0 # Message size limit self.fetchlimit = 0 # Max messages fetched per batch self.batchlimit = 0 # Max message forwarded per batch self.expunge = 1 # Interval between expunges (IMAP) User.typemap = ( ('remote', 'String'), # leave out mailboxes and localnames ('password', 'String'), # Leave out smtphunt ('smtpaddress', 'String'), ('preconnect', 'String'), ('postconnect', 'String'), ('mda', 'String'), ('antispam', 'Int'), ('keep', 'Boolean'), ('flush', 'Boolean'), ('fetchall', 'Boolean'), ('rewrite', 'Boolean'), ('forcecr', 'Boolean'), ('stripcr', 'Boolean'), ('pass8bits', 'Boolean'), ('mimedecode', 'Boolean'), ('dropstatus', 'Boolean'), ('limit', 'Int'), ('fetchlimit', 'Int'), ('batchlimit', 'Int'), ('expunge', 'Int')) def __repr__(self): str = " " str = str + "user \"" + self.remote + "\" there "; if self.password: str = str + "with password \"" + self.password + '" ' if self.localnames: str = str + "is" for x in self.localnames: str = str + " " + x str = str + " here" if (self.keep != UserDefaults.keep or self.flush != UserDefaults.flush or self.fetchall != UserDefaults.fetchall or self.rewrite != UserDefaults.rewrite or self.forcecr != UserDefaults.forcecr or self.stripcr != UserDefaults.stripcr or self.pass8bits != UserDefaults.pass8bits or self.mimedecode != UserDefaults.mimedecode or self.dropstatus != UserDefaults.dropstatus): str = str + " options" if self.keep != UserDefaults.keep: str = str + flag2str(self.keep, 'keep') if self.flush != UserDefaults.flush: str = str + flag2str(self.flush, 'flush') if self.fetchall != UserDefaults.fetchall: str = str + flag2str(self.fetchall, 'fetchall') if self.rewrite != UserDefaults.rewrite: str = str + flag2str(self.rewrite, 'rewrite') if self.forcecr != UserDefaults.forcecr: str = str + flag2str(self.forcecr, 'forcecr') if self.stripcr != UserDefaults.stripcr: str = str + flag2str(self.stripcr, 'stripcr') if self.pass8bits != UserDefaults.pass8bits: str = str + flag2str(self.pass8bits, 'pass8bits') if self.mimedecode != UserDefaults.mimedecode: str = str + flag2str(self.mimedecode, 'mimedecode') if self.dropstatus != UserDefaults.dropstatus: str = str + flag2str(self.dropstatus, 'dropstatus') if self.limit != UserDefaults.limit: str = str + " limit " + `self.limit` if self.fetchlimit != UserDefaults.fetchlimit: str = str + " fetchlimit " + `self.fetchlimit` if self.batchlimit != UserDefaults.batchlimit: str = str + " batchlimit " + `self.batchlimit` if self.expunge != UserDefaults.expunge: str = str + " expunge " + `self.expunge` str = str + "\n" trimmed = self.smtphunt; if trimmed[len(trimmed) - 1] == "localhost": trimmed = trimmed[0:len(trimmed) - 1] if trimmed[len(trimmed) - 1] == hostname: trimmed = trimmed[0:len(trimmed) - 1] if trimmed != []: str = str + " smtphost " for x in trimmed: str = str + " " + x str = str + "\n" if self.mailboxes: str = str + " folder" for x in self.mailboxes: str = str + " " + x str = str + "\n" for fld in ('smtpaddress', 'preconnect', 'postconnect', 'mda'): if getattr(self, fld): str = str + " %s \"%s\"\n" % (fld, `getattr(self, fld)`) if self.antispam != UserDefaults.antispam: str = str + " antispam " + `self.antispam` + "\n" return str; def __str__(self): return "[User: " + repr(self) + "]" # # Helper code # defaultports = {"auto":0, "POP2":109, "POP3":110, "APOP":110, "KPOP":1109, "IMAP":143, "IMAP-K4":143, "ETRN":25} protolist = ("auto", "POP2", "POP3", "APOP", "KPOP", "IMAP", "IMAP-K4", "ETRN") authlist = ("password", "kerberos") listboxhelp = { 'title' : 'List Selection Help', 'banner': 'List Selection', 'text' : """ You must select an item in the list box (by clicking on it). """} def flag2str(value, string): # make a string representation of a .fetchmailrc flag or negated flag str = "" if value != None: str = str + (" ") if value == FALSE: str = str + ("no ") str = str + string; return str class LabeledEntry(Frame): # widget consisting of entry field with caption to left def bind(self, key, action): self.E.bind(key, action) def focus_set(self): self.E.focus_set() def __init__(self, Master, text, textvar, lwidth, ewidth=12): Frame.__init__(self, Master) self.L = Label(self, {'text':text, 'width':lwidth, 'anchor':'w'}) self.E = Entry(self, {'textvar':textvar, 'width':ewidth}) self.L.pack({'side':'left'}) self.E.pack({'side':'left', 'expand':'1', 'fill':'x'}) def ButtonBar(frame, legend, ref, alternatives, depth, command): # array of radio buttons, caption to left, picking from a string list bar = Frame(frame) width = len(alternatives) / depth; Label(bar, text=legend).pack(side=LEFT) for column in range(width): subframe = Frame(bar) for row in range(depth): ind = width * row + column Radiobutton(subframe, {'text':alternatives[ind], 'variable':ref, 'value':alternatives[ind], 'command':command}).pack(side=TOP, anchor=W) subframe.pack(side=LEFT) bar.pack(side=TOP); return bar def helpwin(helpdict): # help message window with a self-destruct button helpwin = Toplevel() helpwin.title(helpdict['title']) helpwin.iconname(helpdict['title']) Label(helpwin, text=helpdict['banner']).pack() textwin = Message(helpwin, text=helpdict['text'], width=600) textwin.pack() Button(helpwin, text='Done', command=lambda x=helpwin: Widget.destroy(x), relief=SUNKEN, bd=2).pack() class ListEdit(Frame): # edit a list of values (duplicates not allowed) with a supplied editor hook def __init__(self, newlegend, list, editor, master, helptxt): self.editor = editor self.list = list # Set up a widget to accept new elements self.newval = StringVar(master) newwin = LabeledEntry(master, newlegend, self.newval, '12') newwin.bind('', self.handleNew) newwin.bind('', self.handleNew) newwin.pack(side=TOP, fill=X, anchor=E) # Edit the existing list listframe = Frame(master) scroll = Scrollbar(listframe) self.listwidget = Listbox(listframe, height=0, selectmode='browse') if self.list: for x in self.list: self.listwidget.insert(END, x) listframe.pack(side=TOP, expand=YES, fill=BOTH) self.listwidget.config(yscrollcommand=scroll.set, relief=SUNKEN) self.listwidget.pack(side=LEFT, expand=YES, fill=BOTH) scroll.config(command=self.listwidget.yview, relief=SUNKEN) scroll.pack(side=RIGHT, fill=BOTH) self.listwidget.config(selectmode=SINGLE, setgrid=TRUE) self.listwidget.bind('', self.handleList); self.listwidget.bind('', self.handleList); bf = Frame(master); if self.editor: Button(bf, text='Edit', command=self.editItem).pack(side=LEFT) Button(bf, text='Delete', command=self.deleteItem).pack(side=LEFT) if helptxt: self.helptxt = helptxt Button(bf, text='Help', fg='blue', command=self.help).pack(side=RIGHT) bf.pack(fill=X) def help(self): helpwin(self.helptxt) def handleList(self, event): self.editItem(); def handleNew(self, event): item = self.newval.get() entire = self.listwidget.get(0, self.listwidget.index('end')); if item and (not entire) or (not item in self.listwidget.get(0, self.listwidget.index('end'))): self.listwidget.insert('end', item) if self.list != None: self.list.append(item) self.newval.set('') def editItem(self): select = self.listwidget.curselection() if not select: helpwin(listboxhelp) else: index = select[0] if index and self.editor: label = self.listwidget.get(index); apply(self.editor, (label,)) def deleteItem(self): select = self.listwidget.curselection() if not select: helpwin(listboxhelp) else: index = select[0] if index: self.listwidget.delete(index) if self.list != None: del self.list[index] def ConfirmQuit(frame, context): ans = Dialog(frame, title = 'Quit?', text = 'Really quit ' + context + ' without saving?', bitmap = 'question', strings = ('Yes', 'No'), default = 1) return ans.num == 0 def dispose_window(master, legend, help): dispose = Frame(master, relief=RAISED, bd=5) Label(dispose, text=legend).pack(side=TOP,pady=10) Button(dispose, text='Save', fg='blue', command=master.save).pack(side=LEFT) Button(dispose, text='Quit', fg='blue', command=master.nosave).pack(side=LEFT) Button(dispose, text='Help', fg='blue', command=lambda x=help: helpwin(x)).pack(side=RIGHT) dispose.pack(fill=X) return dispose class MyWidget: # Common methods for Tkinter widgets -- deals with Tkinter declaration def post(self, template, field): for x in template.typemap: target = "self." + x[0] source = "self." + field + "." + x[0] if x[1] == 'Boolean': exec target + " = BooleanVar(self)" if eval(source): exec target + ".set(" + source + ")" elif x[1] == 'String': exec target + " = StringVar(self)" if eval(source): exec target + ".set(" + source + ")" elif x[1] == 'Int': exec target + " = IntVar(self)" if eval(source): exec target + ".set(" + source + ")" def fetch(self, template, field): for x in template.typemap: setattr(eval("self." + field), x[0], getattr(self, x[0]).get()) # # First, code to set the global fetchmail run controls. # configure_novice_help = { 'title' : 'Fetchmail novice configurator help', 'banner': 'Novice configurator help', 'text' : """ In the `Novice Configurator Controls' panel, you can: Press `Save' to save the new fetchmail configuration you have created. Press `Quit' to exit without saving. Press `Help' to bring up this help message. In the `Novice Configuration' panels, you will set up the basic data needed to create a simple fetchmail setup. These include: 1. The name of the remote site you want to query. 2. Your login name on that site. 3. Your password on that site. 4. A protocol to use (POP, IMAP, ETRN, etc.) 5. A polling interval. 6. Options to fetch old messages as well as new, uor to suppress deletion of fetched message. The novice-configuration code will assume that you want to forward mail to a local sendmail listener with no special options. """} configure_expert_help = { 'title' : 'Fetchmail expert configurator help', 'banner': 'Expert configurator help', 'text' : """ In the `Expert Configurator Controls' panel, you can: Press `Save' to save the new fetchmail configuration you have edited. Press `Quit' to exit without saving. Press `Help' to bring up this help message. In the `Run Controls' panel, you can set the following options that control how fetchmail runs: Poll interval Number of seconds to wait between polls in the background. If zero, fetchmail will run in foreground. Logfile If empty, emit progress and error messages to stderr. Otherwise this gives the name of the files to write to. This field is ignored if the "Log to syslog?" option is on. Idfile If empty, store seen-message IDs in .fetchids under user's home directory. If nonempty, use given file name. Invisible: If false (the default) fetchmail generates a Received line into each message and generates a HELO from the machine it is running on. If true, fetchmail generates no Received line and HELOs as if it were the remote site. In the `Remote Mail Configurations' panel, you can: 1. Enter the name of a new remote mail server you want fetchmail to query. To do this, simply enter a label for the poll configuration in the `New Server:' box. The label should be a DNS name of the server (unless you are using ssh or some other tunneling method and will fill in the `via' option on the site configuration screen). 2. Change the configuration of an existing site. To do this, find the site's label in the listbox and double-click it. This will take you to a site configuration dialogue. """} class ConfigurationEdit(Frame, MyWidget): def __init__(self, configuration, outfile, master=None): self.configuration = configuration self.outfile = outfile self.container = master ConfigurationEdit.mode_to_help = { 'novice':configure_novice_help, 'expert':configure_expert_help } def edit(self, mode): self.mode = mode Frame.__init__(self, self.container) self.master.title('fetchmail ' + self.mode + ' configurator'); self.master.iconname('fetchmail ' + self.mode + ' configurator'); Pack.config(self) self.post(Configuration, 'configuration') dispose_window(self, 'Configurator ' + self.mode + ' Controls', ConfigurationEdit.mode_to_help[self.mode]) gf = Frame(self, relief=RAISED, bd = 5) Label(gf, text='Fetchmail Run Controls', bd=2).pack(side=TOP, pady=10) df = Frame(gf) # Set the poll interval de = LabeledEntry(df, ' Poll interval:', self.poll_interval, '14') de.pack(side=RIGHT, anchor=E) df.pack() if self.mode != 'novice': sf = Frame(gf) Checkbutton(sf, {'text':'Log to syslog?', 'variable':self.syslog, 'relief':GROOVE}).pack(side=LEFT, anchor=W) log = LabeledEntry(sf, ' Logfile:', self.logfile, '14') log.pack(side=RIGHT, anchor=E) sf.pack(fill=X) Checkbutton(gf, {'text':'Invisible mode?', 'variable':self.invisible, 'relief':GROOVE}).pack(side=LEFT, anchor=W) # Set the idfile log = LabeledEntry(gf, ' Idfile:', self.idfile, '14') log.pack(side=RIGHT, anchor=E) gf.pack(fill=X) # Expert mode allows us to edit multiple sites lf = Frame(self, relief=RAISED, bd=5) Label(lf, text='Remote Mail Server Configurations', bd=2).pack(side=TOP, pady=10) ListEdit('New Server:', map(lambda x: x.pollname, self.configuration.servers), lambda site, m=self.mode, s=self.configuration.servers: ServerEdit(site, s).edit(m, Toplevel()), lf, remotehelp) lf.pack(fill=X) def nosave(self): if ConfirmQuit(self, self.mode + " configuration editor"): self.quit() def save(self): self.fetch(Configuration, 'configuration') fm = None if not self.outfile: fm = sys.stdout elif not os.path.isfile(self.outfile) or Dialog(self, title = 'Overwrite existing run control file?', text = 'Really overwrite existing run control file?', bitmap = 'question', strings = ('Yes', 'No'), default = 1).num == 0: fm = open(self.outfile, 'w') if fm: fm.write("# Configuration created %s by fetchmailconf\n" % time.ctime(time.time())) fm.write(`self.configuration`) self.quit() # # Server editing stuff. # remotehelp = { 'title' : 'Remote site help', 'banner': 'Remote sites', 'text' : """ When you add a site name to the list here, you initialize an entry telling fetchmail how to poll a new site. When you select a sitename (by double- clicking it, or by single-clicking to select and then clicking the Edit button), you will open a window to configure that site. """} serverhelp = { 'title' : 'Server options help', 'banner': 'Server Options', 'text' : """ The server options screen controls fetchmail options that apply to one of your mailservers. Once you have a mailserver configuration set up as you like it, you can select `Save' to store it in the server list maintained in the main configuration window. If you wish to discard changes to a server configuration, select `Quit'. """} controlhelp = { 'title' : 'Run Control help', 'banner': 'Run Controls', 'text' : """ If the `Poll normally' checkbox is on, the host is polled as part of the normal operation of fetchmail when it is run with no arguments. If it is off, fetchmail will only query this host when it is given as a command-line argument. The `True name of server' box should specify the actual DNS name to query. By default this is the same as the poll name. Normally each host described in the file is queried once each poll cycle. If `Cycles to skip between polls' is greater than 0, that's the number of poll cycles that are skipped between the times this post is actually polled. The `Server timeout' is the number of seconds fetchmail will wait for a reply from the mailserver before concluding it is hung and giving up. """} protohelp = { 'title' : 'Protocol and Port help', 'banner': 'Protocol and Port', 'text' : """ These options control the remote-mail protocol and TCP/IP service port used to query this server. If you click the `Probe for supported protocols' button, fetchmail will try to find you the most capable server on the selected host (this will only work if you're conncted to the Internet). The probe only checks for ordinary IMAP and POP protocols; fortunately these are the most frequently supported. The `Protocol' button bar offers you a choice of all the different protocols available. The `auto' protocol is the default mode; it probes the host ports for POP3 and IMAP to see if either is available. Normally the TCP/IP service port to use is dictated by the protocol choice. The `Port' field (only present in expert mode) lets you set a non-standard port. """} sechelp = { 'title' : 'Security option help', 'banner': 'Security', 'text' : """ The `interface' option, if given, specifies the only device through which fetchmail is permitted to connect to servers. Specifying this may protect you from a spoofing attack if your client machine has more than one IP gateway address and some of the gateways are to insecure nets. The `monitor' option allows you to specify a range of IP addresses to monitor for activity. If these addresses are not active, fetchmail will not poll. This option may be used to prevent fetchmail from triggering an expensive dial-out if the interface is not already active. The `interface' and `monitor' options are available only for Linux systems. See the fetchmail manual page for details on these. The `netsec' option will be configurable only if fetchmail was compiled with IPV6 support. If you need to use it, you probably know what to do. """} multihelp = { 'title' : 'Multidrop option help', 'banner': 'Multidrop', 'text' : """ These options are only useful with multidrop mode. See the manual page for extended discussion. """} suserhelp = { 'title' : 'User list help', 'banner': 'User list', 'text' : """ When you add a user name to the list here, you initialize an entry telling fetchmail to poll the site on behalf of the new user. When you select a username (by double- clicking it, or by single-clicking to select and then clicking the Edit button), you will open a window to configure the user's options on that site. """} class ServerEdit(Frame, MyWidget): def __init__(self, host, servers): self.server = None for site in servers: if site.pollname == host: self.server = site if (self.server == None): self.server = Server() self.server.pollname = host self.server.via = None servers.append(self.server) def edit(self, mode, master=None): Frame.__init__(self, master) Pack.config(self) self.master.title('Fetchmail host ' + self.server.pollname); self.master.iconname('Fetchmail host ' + self.server.pollname); self.post(Server, 'server') self.makeWidgets(self.server.pollname, mode) # self.grab_set() # self.focus_set() # self.wait_window() def nosave(self): if ConfirmQuit(self, 'server option editing'): Widget.destroy(self.master) def save(self): self.fetch(Server, 'server') Widget.destroy(self.master) def refreshPort(self): proto = self.protocol.get() self.port.set(defaultports[proto]) if not proto in ("POP3", "APOP", "KPOP"): self.uidl.state = DISABLED def makeWidgets(self, host, mode): topwin = dispose_window(self, "Server options for querying " + host, serverhelp) leftwin = Frame(self); leftwidth = '25'; if mode != 'novice': ctlwin = Frame(leftwin, relief=RAISED, bd=5) Label(ctlwin, text="Run Controls").pack(side=TOP) Checkbutton(ctlwin, text='Poll ' + host + ' normally?', variable=self.active).pack(side=TOP) LabeledEntry(ctlwin, 'True name of ' + host + ':', self.via, leftwidth).pack(side=TOP, fill=X) LabeledEntry(ctlwin, 'Cycles to skip between polls:', self.interval, leftwidth).pack(side=TOP, fill=X) LabeledEntry(ctlwin, 'Server timeout (seconds):', self.timeout, leftwidth).pack(side=TOP, fill=X) Button(ctlwin, text='Help', fg='blue', command=lambda: helpwin(controlhelp)).pack(side=RIGHT) ctlwin.pack(fill=X) protwin = Frame(leftwin, relief=RAISED, bd=5) Label(protwin, text="Protocol").pack(side=TOP) ButtonBar(protwin, '', self.protocol, protolist, 2, self.refreshPort) if mode != 'novice': LabeledEntry(protwin, 'On server TCP/IP port:', self.port, leftwidth).pack(side=TOP, fill=X) self.refreshPort() Checkbutton(protwin, text="POP3: track `seen' with client-side UIDLs?", variable=self.uidl).pack(side=TOP) Button(protwin, text='Probe for supported protocols', fg='blue', command=self.autoprobe).pack(side=LEFT) Button(protwin, text='Help', fg='blue', command=lambda: helpwin(protohelp)).pack(side=RIGHT) protwin.pack(fill=X) userwin = Frame(leftwin, relief=RAISED, bd=5) Label(userwin, text="User entries for " + host).pack(side=TOP) ListEdit("New user: ", map(lambda x: x.remote, self.server.users), lambda u, m=mode, s=self.server: UserEdit(u,s).edit(m, Toplevel()), userwin, suserhelp) userwin.pack(fill=X) leftwin.pack(side=LEFT, anchor=N, fill=X); if mode != 'novice': rightwin = Frame(self); mdropwin = Frame(rightwin, relief=RAISED, bd=5) Label(mdropwin, text="Multidrop options").pack(side=TOP) LabeledEntry(mdropwin, 'Envelope address header:', self.envelope, '22').pack(side=TOP, fill=X) LabeledEntry(mdropwin, 'Envelope headers to skip:', self.envskip, '22').pack(side=TOP, fill=X) LabeledEntry(mdropwin, 'Name prefix to strip:', self.qvirtual, '22').pack(side=TOP, fill=X) Checkbutton(mdropwin, text="Enable multidrop DNS lookup?", variable=self.dns).pack(side=TOP) Label(mdropwin, text="DNS aliases").pack(side=TOP) ListEdit("New alias: ", self.server.aka, None, mdropwin, None) Label(mdropwin, text="Domains to be considered local").pack(side=TOP) ListEdit("New domain: ", self.server.localdomains, None, mdropwin, multihelp) mdropwin.pack(fill=X) if 'interface' in dictmembers or 'monitor' in dictmembers or 'netsec' in dictmembers: secwin = Frame(rightwin, relief=RAISED, bd=5) Label(secwin, text="Security").pack(side=TOP) # Don't actually let users set this. KPOP sets it implicitly # ButtonBar(secwin, 'Authorization mode:', # self.auth, authlist, 1, None).pack(side=TOP) if 'interface' in dictmembers: LabeledEntry(secwin, 'Interface to check before poll:', self.interface, leftwidth).pack(side=TOP, fill=X) if 'monitor' in dictmembers: LabeledEntry(secwin, 'IP range to monitor:', self.monitor, leftwidth).pack(side=TOP, fill=X) if 'netsec' in dictmembers: LabeledEntry(secwin, 'IPV6 security options:', self.netsec, leftwidth).pack(side=TOP, fill=X) Button(secwin, text='Help', fg='blue', command=lambda: helpwin(sechelp)).pack(side=RIGHT) secwin.pack(fill=X) rightwin.pack(side=LEFT, anchor=N); def autoprobe(self): # Note: this only handles case (1) near fetchmail.c:892 # We're assuming people smart enough to set up ssh tunneling # won't need autoprobing. if self.server.via != None: realhost = self.server.via else: realhost = self.server.pollname greetline = None for (protocol, port) in (("IMAP",143), ("POP3",110), ("POP2",109)): sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: sock.connect(realhost, port) greetline = sock.recv(1024) sock.close() except: pass else: break confwin = Toplevel() if greetline == None: title = "Autoprobe of " + realhost + " failed" confirm = """ Fetchmail didn't find any mailservers active. This could mean the host doesn't support any, or just that your Internet connection is down. """ else: warnings = '' # OK, now try to recognize potential problems if protocol == "POP2": warnings = warnings + """ It appears you have somehow found a mailserver running only POP2. Congratulations. Have you considered a career in archaeology? Unfortunately, stock fetchmail binaries don't include POP2 support anymore. Unless the first line of your fetchmail -V output includes the string "POP2", you'll have to build it from sources yourself with the configure switch --enable-POP2. """ if string.find(greetline, "1.003") > 0 or string.find(greetline, "1.003") > 0: warnings = warnings + """ This appears to be an old version of the UC Davis POP server. These are dangerously unreliable (among other problems, they may drop your mailbox on the floor if your connection is interrupted during the session). It is strongly recommended that you find a better POP3 server. """ if string.find(greetline, "usa.net") > 0: warnings = warnings + """ You appear to be using USA.NET's free mail service. This is a problem; their POP3 servers, at least as of the 2.2 version in use mid-1998, are quite flaky. They seem to require that fetchall be switched on (otherwise you won't necessarily see all your mail, not even new mail). They botch the TOP command the fetchmail normally uses for retrieval (it only retrieves about 10 lines rather than the number specified). It is recommended that you turn on `fetchall' and `keep' on all user entries associated with this server. Turning on keep will disable the use of TOP. """ if string.find(greetline, "QPOP") > 0: warnings = warnings + """ This appears to be a version of Eudora qpopper. That's good. Fetchmail knows all about qpopper. """ if string.find(greetline, "csi.com") > 0: warnings = warnings + """ It appears you're talking to CompuServe. You can use their special RPA service for authentication, but only if your fetchmail -V output's first line contains the string "RPA". This is not included in stock fetchmail binsries; to compile it in, rebuild from sources with the configure option --enable-RPA. """ if string.find(greetline, "IMAP2bis") > 0: warnings = warnings + """ IMAP2bis servers have a minor problem; they can't peek at messages without marking them seen. If you take a line hit during the retrieval, the interrupted message may get left on the server, marked seen. To work around this, it is recommended that you set the `fetchall' option on all user entries associated with this server, so any stuck mail will be retrieved next time around. """ if warnings == '': warnings = warnings + """ Fetchmail doesn't know anything special about this server type. """ # Display success window with warnings title = "Autoprobe of " + realhost + " succeeded" confirm = "The " + protocol + " server said:\n\n" + greetline + warnings self.protocol.set(protocol) confwin.title(title) confwin.iconname(title) Label(confwin, text=title).pack() Message(confwin, text=confirm, width=600).pack() Button(confwin, text='Done', command=lambda x=confwin: Widget.destroy(x), relief=SUNKEN, bd=2).pack() # # User editing stuff # userhelp = { 'title' : 'User option help', 'banner': 'User options', 'text' : """ You may use this panel to set options that may differ between individual users on your site. Once you have a user configuration set up as you like it, you can select `Save' to store it in the server list maintained in the main configuration window. If you wish to discard the changes you have made to user options, select `Quit'. """} localhelp = { 'title' : 'Local name help', 'banner': 'Local names', 'text' : """ The local name(s) in a user entry are the people on the client machine who should receive mail from the poll described. Note: if a user entry has more than one local name, messages will be retrieved in multidrop mode. This complicates the configuration issues; see the manual page section on multidrop mode. """} class UserEdit(Frame, MyWidget): def __init__(self, username, server): self.server = server self.user = None for user in server.users: if user.remote == username: self.user = user if self.user == None: self.user = User() self.user.remote = username self.user.localnames = [username] server.users.append(self.user) def edit(self, mode, master=None): Frame.__init__(self, master) Pack.config(self) self.master.title('Fetchmail user ' + self.user.remote + ' querying ' + self.server.pollname); self.master.iconname('Fetchmail user ' + self.user.remote); self.post(User, 'user') self.makeWidgets(mode, self.server.pollname) # self.grab_set() # self.focus_set() # self.wait_window() def nosave(self): if ConfirmQuit(self, 'user option editing'): Widget.destroy(self.master) def save(self): self.fetch(User, 'user') Widget.destroy(self.master) def makeWidgets(self, mode, servername): dispose_window(self, "User options for " + self.user.remote + " querying " + servername, userhelp) if mode != 'novice': leftwin = Frame(self); else: leftwin = self secwin = Frame(leftwin, relief=RAISED, bd=5) Label(secwin, text="Authentication").pack(side=TOP) LabeledEntry(secwin, 'Password:', self.password, '12').pack(side=TOP, fill=X) secwin.pack(fill=X, anchor=N) names = Frame(leftwin, relief=RAISED, bd=5) Label(names, text="Local names").pack(side=TOP) ListEdit("New name: ", self.user.localnames, None, names, localhelp) names.pack(fill=X, anchor=N) if mode != 'novice': targwin = Frame(leftwin, relief=RAISED, bd=5) Label(targwin, text="Forwarding Options").pack(side=TOP) Label(targwin, text="Listeners to forward to").pack(side=TOP) ListEdit("New listener:", self.user.smtphunt, None, targwin, None) LabeledEntry(targwin, 'Append to MAIL FROM line:', self.smtpaddress, '26').pack(side=TOP, fill=X) LabeledEntry(targwin, 'Connection setup command:', self.preconnect, '26').pack(side=TOP, fill=X) LabeledEntry(targwin, 'Connection wrapup command:', self.postconnect, '26').pack(side=TOP, fill=X) LabeledEntry(targwin, 'Local delivery agent:', self.mda, '26').pack(side=TOP, fill=X) LabeledEntry(targwin, 'Listener spam-block code:', self.antispam, '26').pack(side=TOP, fill=X) targwin.pack(fill=X, anchor=N) if mode != 'novice': leftwin.pack(side=LEFT, fill=X, anchor=N) rightwin = Frame(self) else: rightwin = self optwin = Frame(rightwin, relief=RAISED, bd=5) Label(optwin, text="Processing Options").pack(side=TOP) Checkbutton(optwin, text="Suppress deletion of messages after reading", variable=self.keep).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Fetch old messages as well as new", variable=self.fetchall).pack(side=TOP, anchor=W) if mode != 'novice': Checkbutton(optwin, text="Flush seen messages before retrieval", variable=self.flush).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Rewrite To/Cc/Bcc messages to enable reply", variable=self.rewrite).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Force CR/LF at end of each line", variable=self.forcecr).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Strip CR from end of eacgh line", variable=self.stripcr).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Pass 8 bits even though SMTP says 7BIT", variable=self.pass8bits).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Undo MIME armoring on header and body", variable=self.mimedecode).pack(side=TOP, anchor=W) Checkbutton(optwin, text="Drop Status lines from forwarded messages", variable=self.dropstatus).pack(side=TOP, anchor=W) optwin.pack(fill=X) if mode != 'novice': limwin = Frame(rightwin, relief=RAISED, bd=5) Label(limwin, text="Resource Limits").pack(side=TOP) LabeledEntry(limwin, 'Message size limit:', self.limit, '30').pack(side=TOP, fill=X) LabeledEntry(limwin, 'Max messages to fetch per poll:', self.fetchlimit, '30').pack(side=TOP, fill=X) LabeledEntry(limwin, 'Max messages to forward per poll:', self.batchlimit, '30').pack(side=TOP, fill=X) LabeledEntry(limwin, 'Interval between expunges (IMAP):', self.expunge, '30').pack(side=TOP, fill=X) limwin.pack(fill=X) foldwin = Frame(rightwin, relief=RAISED, bd=5) Label(foldwin, text="Remote folders (IMAP only)").pack(side=TOP) ListEdit("New folder:", self.user.mailboxes, None, foldwin, None) foldwin.pack(fill=X, anchor=N) if mode != 'novice': rightwin.pack(side=LEFT) else: self.pack() # # Top-level window that offers either novice or expert mode # (but not both at once; it disappears when one is selected). # class MainWindow(Frame): def __init__(self, outfile, master=None): Frame.__init__(self, master) self.outfile = outfile self.master.title('fetchmail configurator main'); self.master.iconname('fetchmail configurator main'); Pack.config(self) Label(self, text='Configurator Main Window', bd=2).pack(side=TOP, pady=10) Message(self, text=""" Use `Novice Configuration' for basic fetchmail setup; with this, you can easily set up a single-drop connection to one remote mail server. """, width=600).pack(side=TOP) Button(self, text='Novice Configuration', fg='blue', command=self.novice).pack() Message(self, text=""" Use `Expert Configuration' for advanced fetchmail setup, including multiple-site or multidrop connections. """, width=600).pack(side=TOP) Button(self, text='Expert Configuration', fg='blue', command=self.expert).pack() Message(self, text=""" Or you can just select `Quit' to leave the configurator now. """, width=600).pack(side=TOP) Button(self, text='Quit', fg='blue', command=self.leave).pack() def novice(self): self.destroy() ConfigurationEdit(Fetchmailrc, self.outfile).edit('novice') def expert(self): self.destroy() ConfigurationEdit(Fetchmailrc, self.outfile).edit('expert') def leave(self): self.quit() # Functions for turning a dictionary into an instantiated object tree. def intersect(list1, list2): # Compute set intersection of lists res = [] for x in list1: if x in list2: res.append(x) return res def setdiff(list1, list2): # Compute set difference of lists res = [] for x in list1: if not x in list2: res.append(x) return res def copy_instance(toclass, fromdict): # Initialize a class object of given type from a conformant dictionary. for fld in fromdict.keys(): if not fld in dictmembers: dictmembers.append(fld) # The `optional' fields are the ones we can ignore for purposes of # conformability checking; they'll still get copied if they are # present in the dictionary. optional = ('interface', 'monitor', 'netsec'); class_sig = setdiff(toclass.__dict__.keys(), optional) class_sig.sort() dict_keys = setdiff(fromdict.keys(), optional) dict_keys.sort() common = intersect(class_sig, dict_keys) if 'typemap' in class_sig: class_sig.remove('typemap') if tuple(class_sig) != tuple(dict_keys): print "Conformability error" # print "Class signature: " + `class_sig` # print "Dictionary keys: " + `dict_keys` print "Not matched in class `" + toclass.__class__.__name__ + "' signature: " + `setdiff(class_sig, common)` print "Not matched in dictionary keys: " + `setdiff(dict_keys, common)` sys.exit(1) else: for x in dict_keys: setattr(toclass, x, fromdict[x]) # # And this is the main sequence. How it works: # # First, call `fetchmail --configdump' and trap the output in a tempfile. # This should fill it with a Python initializer for a variable `fetchmailrc'. # Run execfile on the file to pull fetchmailrc into Python global space. # You don't want static data, though; you want, instead, a tree of objects # with the same data members and added appropriate methods. # # This is what the copy_instance function() is for. It tries to copy a # dictionary field by field into a class, aborting if the class and dictionary # have different data members (except for any typemap member in the class; # that one is strictly for use by the MyWidget supperclass). # # Options (not documented because they're for fetchmailconf debuggers only): # -d: read the configuration and dump it to stdout without editing, then exit. # -f: specify the run control file to read. if __name__ == '__main__': # Process options (options, arguments) = getopt.getopt(sys.argv[1:], "df:") dump = rcfile = None; for (switch, val) in options: if (switch == '-d'): dump = TRUE elif (switch == '-f'): rcfile = val # Get client host's FQDN hostname = socket.gethostbyaddr(socket.gethostname())[0] # Compute defaults ConfigurationDefaults = Configuration() ServerDefaults = Server() UserDefaults = User() # Read the existing configuration tmpfile = "/tmp/fetchmailconf." + `os.getpid()` if rcfile: cmd = "fetchmail -f " + rcfile + " --configdump >" + tmpfile else: cmd = "fetchmail --configdump >" + tmpfile try: s = os.system(cmd) if s != 0: print "`" + cmd + "' run failure, status " + `s` raise SystemExit except: print "Unknown error while running fetchmail --configdump" os.remove(tmpfile) sys.exit(1) try: execfile(tmpfile) except: print "Can't read configuration output of fetchmail --configdump." os.remove(tmpfile) sys.exit(1) os.remove(tmpfile) # The tricky part -- initializing objects from the configuration global # `Configuration' is the top level of the object tree we're going to mung. # The dictmembers list is used to track the set of fields the dictionary # contains; in particular, we can use it to tell whether things like the # monitor, interface, and netsec fields are present. dictmembers = [] Fetchmailrc = Configuration() copy_instance(Fetchmailrc, fetchmailrc) Fetchmailrc.servers = []; for server in fetchmailrc['servers']: Newsite = Server() copy_instance(Newsite, server) Fetchmailrc.servers.append(Newsite) Newsite.users = []; for user in server['users']: Newuser = User() copy_instance(Newuser, user) Newsite.users.append(Newuser) # We may want to display the configuration and quit if dump: print "This is a dump of the configuration we read:\n"+`Fetchmailrc` # The theory here is that -f alone sets the rcfile location, # but -d and -f together mean the new configuration should go to stdout. if not rcfile and not dump: rcfile = os.environ["HOME"] + "/.fetchmailrc" # OK, now run the configuration edit MainWindow(rcfile).mainloop() # The following sets edit modes for GNU EMACS # Local Variables: # mode:python # End: