April 2010 - dovecot - dovecot.org

[Dovecot] BAD Error in IMAP command UID COPY: Invalid uidset
by Martin Ott 14 Apr '10

14 Apr '10

Hi, one of our users reported the problem message "BAD Error in IMAP command UID COPY: Invalid uidset" as a result of copying a message from INBOX to INBOX/Test. Is this something to be concerned about, or simply a bug in thunderbird? thx Martin Server: dovecot 1.2.9 Client: Thunderbird 3.04 rawlog in: 4 namespace 5 lsub "" "INBOX/*" 6 lsub "" "shared/*" 7 list "" "INBOX" 8 select "INBOX" 9 myrights "INBOX" 10 getacl "INBOX" 11 getquotaroot "INBOX" 12 UID fetch 4:* (FLAGS) 13 getquotaroot "INBOX" 14 UID fetch 5:* (FLAGS) 16 uid copy 0 "INBOX/Test" 18 uid copy 0 "INBOX/Test" 19 IDLE DONE 20 close 21 logout rawlog out: * OK [RAWLOG TIMESTAMP] 2010-04-14 14:20:27 3 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH ACL RIGHTS=texk QUOTA] Logged in * NAMESPACE (("INBOX/" "/")) NIL (("shared/" "/")) * LSUB () "/" "INBOX/Trash" * LSUB () "/" "INBOX/Junk" * LSUB () "/" "INBOX/Test" 5 OK Lsub completed. * LSUB () "/" "shared/alle" 6 OK Lsub completed. * LIST (\HasChildren) "/" "INBOX" 7 OK List completed. * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 4 EXISTS * 0 RECENT * OK [UIDVALIDITY 1264696257] UIDs valid * OK [UIDNEXT 5] Predicted next UID * OK [HIGHESTMODSEQ 1] Highest 8 OK [READ-WRITE] Select completed. * MYRIGHTS "INBOX" lrwstipekxacd 9 OK Myrights completed. * ACL "INBOX" "testuser" lrwstipekxacd 10 OK Getacl completed. * QUOTAROOT "INBOX" "User quota" * QUOTA "User quota" (STORAGE 5 2048000) 11 OK Getquotaroot completed. * 4 FETCH (UID 4 FLAGS (\Seen)) 12 OK Fetch completed. * QUOTAROOT "INBOX" "User quota" * QUOTA "User quota" (STORAGE 5 2048000) 13 OK Getquotaroot completed. * 4 FETCH (UID 4 FLAGS (\Seen)) 14 OK Fetch completed. 16 BAD Error in IMAP command UID COPY: Invalid uidset 18 BAD Error in IMAP command UID COPY: Invalid uidset + idling 19 OK Idle completed.

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[Dovecot] Dovecot 2.0.beta4: auth-worker keeps crashing
by Maxim Balabaev 14 Apr '10

14 Apr '10

Centos 5.4 x64, icc hg rev 11147 log: Apr 14 01:16:17 auth: Info: mysql: Connected to 127.0.0.1 (mail) Apr 14 01:16:25 imap-login: Info: Disconnected (auth failed, 2 attempts): user=<webmaster@>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured Apr 14 01:16:40 master: Error: service(auth-worker): child 8642 killed with signal 11 (core dumps disabled) Apr 14 01:16:40 auth: Error: auth worker: Aborted request: Worker process died unexpectedly Everything works, but it`s crashing every time Gdb info: (gdb) bt full #0 0x000000000041782f in auth_stream_reply_find () No symbol table info available. #1 0x0000000000417d97 in lookup_credentials_callback () No symbol table info available. #2 0x00000000004223a2 in passdb_handle_credentials () No symbol table info available. #3 0x0000000000425b1a in sql_query_callback () No symbol table info available. #4 0x0000000000430494 in driver_mysql_query () No symbol table info available. #5 0x000000000042f306 in sql_query () No symbol table info available. #6 0x0000000000425dcb in sql_lookup_credentials () No symbol table info available. #7 0x0000000000418cf5 in auth_worker_input () No symbol table info available. #8 0x00002ad5677acead in io_loop_handler_run () from /opt/dovecot/lib/dovecot/libdovecot.so.0 No symbol table info available. #9 0x00002ad5677ab8d9 in io_loop_run () from /opt/dovecot/lib/dovecot/libdovecot.so.0 No symbol table info available. #10 0x00002ad567796f56 in master_service_run () ---Type <return> to continue, or q <return> to quit--- from /opt/dovecot/lib/dovecot/libdovecot.so.0 No symbol table info available. #11 0x000000000041c79d in main () Hope to get this fixed :)

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[Dovecot] default domain empty
by Leo Unglaub 14 Apr '10

14 Apr '10

Hi friends, i have a question. I have a running dovecot install on my server and a lot of virtual domains. It works great. The users are logging in with user(a)domain.tld but one old domain must be logged in with only the username only (without @domain.tld). My problem is that in this case the mailbox_localtion don't work. For example: > mail_location = maildir:/var/mail/%d/%n/maildir:INDEX=/var/mail/%d/%n/indizies The variable %d is not replaced with the domain. The dokumentation says: domain part in user@domain, empty if user there's no domain Okay, but is there a way to add a domain to this beause i need the %%d for mailbox sharing. Can i override the domain with a value from the user db or is it possible with a login script or somethink? Thank you a lot Greetings from Austria Leo

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[Dovecot] dovecot2: protocols = ... changed ?
by Andreas Schulze 14 Apr '10

14 Apr '10

hello, to use dovecot 1.2 only for sasl authentication I could set "protocols = none" in dovecont.conf. In Version2 this gave me an error. Instead I had to write "protocols =" into the configfile. I wonder about a key without value in the conf ... should the wiki2.dovecot.org be updated? -- Andreas Schulze Internetdienste | P532 DATEV eG 90329 Nürnberg | Telefon +49 911 319-0 | Telefax +49 911 319-3196 E-Mail info @datev.de | Internet www.datev.de Sitz: 90429 Nürnberg, Paumgartnerstr. 6-14 | Registergericht Nürnberg, GenReg Nr.70 Vorstand Prof. Dieter Kempf (Vorsitzender) Dipl.-Kfm. Wolfgang Stegmann (stellvertretender Vorsitzender) Dipl.-Kfm. Michael Leistenschneider Jörg Rabe v. Pappenheim Dipl.-Vw. Eckhard Schwarzer Vorsitzender des Aufsichtsrates: Reinhard Verholen

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[Dovecot] Dovecot 2.0 - LDA auth-master issues
by Floris Bos 14 Apr '10

14 Apr '10

Hi, I'm running a Postfix+Dovecot+MySQL setup, and am trying to upgrade to Dovecot 2.0 beta 4. The problem I run into is that lda cannot connect to the auth-master socket. == Apr 9 15:29:51 mysql postfix/pipe[3749]: 2AAB04517F: to=<EMAIL-ADDRESS>, relay=dovecot, delay=0.02, delays=0.01/0/0/0.02, dsn=4.3.0, status=deferred (temporary failure. Command output: lda: Error: userdb lookup: connect(/usr/local/var/run/dovecot/auth-master) failed: Permission denied (euid=80(www) egid=1003(dovecot) missing +r perm: /usr/local/var/run/dovecot/auth-master, euid is not dir owner) lda: Fatal: User lookup failed: userdb lookup failed ) == Dovecot seems to set the permission of the auth-master socket to user root, mode 600. In Dovecot 1 there was a "mode" and a "user" option to change this. In Dovecot 2 I can only find an option to change the socket path ("auth_socket_path"), but not it's user or mode. Any idea on how to solve this? Your sincerely, Floris Bos

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[Dovecot] Virusscanning
by Andreas Schulze 14 Apr '10

14 Apr '10

Hello list, I use currently a non-dovecot pop3 proxy which has the ability to scan all passing mails for viruses. And I like dovecot. I have to combine both. One (and the only) idea is to call a virusscanner a shellscript, installed as PostLoginScript. But I see multiple disadvantages: 1. it's a shellscript which tents to be slow. 2. it's called *on* the mailbox-host, not on a dedicated proxy 3. I think it's slow and I dont't know howto measure. 4. I thint it's slow. 5. I think it's slow. 6. I like a "Plan B" Any suggestions !? Thanks, Andreas -- ######################################################################## # # Andreas Schulze # https://andreasschulze.de # # GnuPG Key-ID: A7DBA67F, https://andreasschulze.de/sca.asc # GnuPG Fingerprint: 14C1 39A8 CE6D 6BE0 28C6 5652 03B5 6793 A7DB A67F # # $Id: .signature,v 1.3 2007-12-27 21:13:36 sca Exp $ ########################################################################

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[Dovecot] Antispam plugin, compile under osx
by Bradley Giesbrecht 14 Apr '10

14 Apr '10

Any help with the below build failure would be greatly appreciated. If the information I am providing is deficient to diagnose the problem please tell me how to provide better information. Trying to build dovecot-antispam plugin 1.3 from; http://johannes.sipsolutions.net/download/dovecot-antispam/ Dovecot 1.2.11 installed and was configured with --enable-header- install. I also have dovecot compiled with sieve, managesieve and mysql support. Dspam 3.9.0 installed. I'm using the following .config file; BACKEND=dspam-exec DOVECOT=/opt/local/include/dovecot INSTALLDIR=/opt/local/lib/dovecot/imap USER=root GROUP=root PLUGINNAME=antispam make fails with; cc -DHAVE_CONFIG_H -I/opt/local/include/dovecot/ -I/opt/local/include/ dovecot/src/ -I/opt/local/include/dovecot/src/lib/ -I/opt/local/ include/dovecot/src/lib-storage/ -I/opt/local/include/dovecot/src/lib- mail/ -I/opt/local/include/dovecot/src/lib-imap/ -I/opt/local/include/ dovecot/src/lib-dict/ -I/opt/local/include/dovecot/src/lib-index/ -I/ opt/local/include/dovecot/src/imap/ -o dovecot-version dovecot-version.c ./dovecot-version > dovecot-version.h ./version.sh > antispam-version.h cc -c -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam - DHAVE_CONFIG_H -I/opt/local/include/dovecot/ -I/opt/local/include/ dovecot/src/ -I/opt/local/include/dovecot/src/lib/ -I/opt/local/ include/dovecot/src/lib-storage/ -I/opt/local/include/dovecot/src/lib- mail/ -I/opt/local/include/dovecot/src/lib-imap/ -I/opt/local/include/ dovecot/src/lib-dict/ -I/opt/local/include/dovecot/src/lib-index/ -I/ opt/local/include/dovecot/src/imap/ -o signature.o signature.c cc -c -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam - DHAVE_CONFIG_H -I/opt/local/include/dovecot/ -I/opt/local/include/ dovecot/src/ -I/opt/local/include/dovecot/src/lib/ -I/opt/local/ include/dovecot/src/lib-storage/ -I/opt/local/include/dovecot/src/lib- mail/ -I/opt/local/include/dovecot/src/lib-imap/ -I/opt/local/include/ dovecot/src/lib-dict/ -I/opt/local/include/dovecot/src/lib-index/ -I/ opt/local/include/dovecot/src/imap/ -o antispam-plugin.o antispam- plugin.c cc -c -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam - DHAVE_CONFIG_H -I/opt/local/include/dovecot/ -I/opt/local/include/ dovecot/src/ -I/opt/local/include/dovecot/src/lib/ -I/opt/local/ include/dovecot/src/lib-storage/ -I/opt/local/include/dovecot/src/lib- mail/ -I/opt/local/include/dovecot/src/lib-imap/ -I/opt/local/include/ dovecot/src/lib-dict/ -I/opt/local/include/dovecot/src/lib-index/ -I/ opt/local/include/dovecot/src/imap/ -o antispam-storage.o antispam- storage.c cc -c -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam - DHAVE_CONFIG_H -I/opt/local/include/dovecot/ -I/opt/local/include/ dovecot/src/ -I/opt/local/include/dovecot/src/lib/ -I/opt/local/ include/dovecot/src/lib-storage/ -I/opt/local/include/dovecot/src/lib- mail/ -I/opt/local/include/dovecot/src/lib-imap/ -I/opt/local/include/ dovecot/src/lib-dict/ -I/opt/local/include/dovecot/src/lib-index/ -I/ opt/local/include/dovecot/src/imap/ -o dspam-exec.o dspam-exec.c cc -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam -DHAVE_CONFIG_H - I/opt/local/include/dovecot/ -I/opt/local/include/dovecot/src/ -I/opt/ local/include/dovecot/src/lib/ -I/opt/local/include/dovecot/src/lib- storage/ -I/opt/local/include/dovecot/src/lib-mail/ -I/opt/local/ include/dovecot/src/lib-imap/ -I/opt/local/include/dovecot/src/lib- dict/ -I/opt/local/include/dovecot/src/lib-index/ -I/opt/local/include/ dovecot/src/imap/ signature.o antispam-plugin.o antispam-storage.o dspam-exec.o -o lib90_antispam_plugin.so Undefined symbols: "_mailbox_get_name", referenced from: _mailbox_patternmatch in antispam-plugin.o _mailbox_is_spam in antispam-plugin.o _mailbox_is_trash in antispam-plugin.o _mailbox_is_unsure in antispam-plugin.o "_t_strconcat", referenced from: _get_setting in antispam-plugin.o _parse_folder_setting in antispam-plugin.o _call_dspam in dspam-exec.o _call_dspam in dspam-exec.o _call_dspam in dspam-exec.o "_main", referenced from: start in crt1.10.5.o "_mailbox_get_storage", referenced from: _mailbox_patternmatch in antispam-plugin.o "_t_push", referenced from: _mailbox_patternmatch in antispam-plugin.o _get_setting in antispam-plugin.o _parse_folder_setting in antispam-plugin.o "_i_panic", referenced from: _signature_list_free in signature.o _move_to_class in antispam-storage.o _antispam_copy in antispam-storage.o _antispam_transaction_begin in antispam-storage.o _antispam_mail_update_keywords in antispam-storage.o _antispam_mail_update_keywords in antispam-storage.o _antispam_mail_update_keywords in antispam-storage.o "_i_malloc", referenced from: _call_dspam in dspam-exec.o "_array_idx_set_i", referenced from: _antispam_mailbox_transaction_begin in antispam-storage.o _antispam_mailbox_mail_alloc in antispam-storage.o _antispam_mailbox_open in antispam-storage.o _antispam_mail_storage_created in antispam-storage.o "_t_buffer_get", referenced from: _mailbox_patternmatch in antispam-plugin.o "_t_pop", referenced from: _mailbox_patternmatch in antispam-plugin.o _get_setting in antispam-plugin.o _parse_folder_setting in antispam-plugin.o "_array_idx_modifiable_i", referenced from: _antispam_copy in antispam-storage.o _antispam_copy in antispam-storage.o _antispam_save_begin in antispam-storage.o _antispam_save_begin in antispam-storage.o _antispam_save_finish in antispam-storage.o _antispam_save_finish in antispam-storage.o _antispam_mail_update_keywords in antispam-storage.o _antispam_mailbox_transaction_begin in antispam-storage.o _antispam_mailbox_transaction_commit in antispam-storage.o _antispam_mailbox_transaction_commit in antispam-storage.o _antispam_mailbox_transaction_rollback in antispam-storage.o _antispam_mailbox_transaction_rollback in antispam-storage.o _antispam_mailbox_mail_alloc in antispam-storage.o _antispam_mailbox_open in antispam-storage.o "_pool_alloconly_create", referenced from: _antispam_plugin_init in antispam-plugin.o "_p_strsplit", referenced from: _parse_folder_setting in antispam-plugin.o _antispam_plugin_init in antispam-plugin.o _backend_init in dspam-exec.o _backend_init in dspam-exec.o "_mailbox_equals", referenced from: _match_info in antispam-plugin.o "_mail_free", referenced from: _antispam_mailbox_transaction_commit in antispam-storage.o _antispam_mailbox_transaction_commit in antispam-storage.o _antispam_mailbox_transaction_rollback in antispam-storage.o "_t_str_ucase", referenced from: _get_setting in antispam-plugin.o "_default_pool", referenced from: _default_pool$non_lazy_ptr in signature.o _default_pool$non_lazy_ptr in antispam-storage.o _default_pool$non_lazy_ptr in dspam-exec.o "_mail_module_register", referenced from: _antispam_mail_module in antispam-storage.o "_mail_storage_set_error", referenced from: _signature_extract_to_list in signature.o _signature_extract in signature.o _antispam_copy in antispam-storage.o _antispam_save_finish in antispam-storage.o _antispam_save_finish in antispam-storage.o _backend_commit in dspam-exec.o "_str_array_length", referenced from: _backend_init in dspam-exec.o _backend_init in dspam-exec.o "_mail_index_get_keywords", referenced from: _antispam_mail_update_keywords in antispam-storage.o "_mail_storage_module_register", referenced from: _antispam_storage_module in antispam-storage.o "_mail_get_headers", referenced from: _get_mail_headers in signature.o _get_mail_headers in dspam-exec.o "_hook_mail_storage_created", referenced from: _hook_mail_storage_created$non_lazy_ptr in antispam-plugin.o "_i_strdup", referenced from: _signature_extract_to_list in signature.o "_mail_alloc", referenced from: _antispam_copy in antispam-storage.o _antispam_save_begin in antispam-storage.o ld: symbol(s) not found Thank you for your consideration, Bradley Giesbrecht

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[Dovecot] dsync convert dovecot 2.0 beta4
by Renaud Allard 13 Apr '10

13 Apr '10

Hello, I am trying to convert a dbox mailbox in maildir format I changed the config to maildir instead of dbox and I am issuing this /opt/dovecot/bin/dsync -u r convert dbox:/home/r/dbox But I get many errors like those below and no mail is stored in the maildir. dsync(r): Error: Corrupted mailbox log at offset 18446743970630342680: /home/r/dbox/dovecot.mailbox.log dsync(r): Error: dbox /home/r/dbox/mailboxes/Drafts/dbox-Mails: Invalid dbox header size dsync(r): Error: dbox /home/r/dbox/mailboxes/Drafts/dbox-Mails: Invalid dbox header size dsync(r): Error: dbox /home/r/dbox/mailboxes/Drafts/dbox-Mails: Invalid dbox header size dsync(r): Warning: dbox /home/r/dbox/mailboxes/Drafts/dbox-Mails: Rebuilding index

2 1

[Dovecot] dict quota and quota recalculation
by Alex 13 Apr '10

13 Apr '10

Hi I am trying to migrate my courier server to dovecot and I've run into some problems. One of the motive that I chose to migrate is quota reporting mechanism which in courier is a pain (if you need to display an accurate quota usage in the control panel). So I follow the instructions on migrations , I convert all the mailboxes, and the next step was to populate the quota table (I use quota/dict). The quota table is empty. From the console (as root): #echo "x GETQUOTAROOT Inbox" | USER=test(a)domain.net /usr/local/sbin/dovecot --exec-mail imap - the result is : | email | used_quota | messages | +----------------+------------+----------+ | test(a)domain.net | 0 | 0 | From mailling logs , relevant parts : dict quota: user=test(a)domain.net, uri=proxy::quotadict, noenforcing=0 Namespace: type=private, prefix=, sep=., inbox=yes, hidden=no, list=yes, subscriptions=yes maildir: data=~ maildir++: root=/root, index=, control=, inbox=/root Namespace : Using permissions from /root: mode=0750 gid=-1 - and in the root folder I can see all dovecot specific files (dovecot*) So basically if I execute the script as root the maildir is root the uid/gid is root I search and I found a trick for home : HOME=/home/sites/domain.net/mail/test/Maildir/; USER=test(a)domain.net; echo "1 getquotaroot inbox" | /usr/local/sbin/dovecot -c /usr/local/etc/dovecot.conf --exec-mail imap (but first I must put used_quota and messages values on -1 in the quota table) If I run this , all dovecot files are created in the user homedir (correct) but with the wrong uid/gid (root). If I change the owner of that files , next time I run the same command , nothing changes (uid/gid remain vmail.vmail). My questions are : - is there a way to avoid this behavior (the owner of the dovecot files after quota recreation)? - is there a better way to force all users quota recalculation? PS: and yes , I need to know all quotas even if the user haven't yet login

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[Dovecot] Patch: support URLAUTH, BURL, CATENATE
by Mike Abbott 13 Apr '10

13 Apr '10

Hello Dovecot community, Below please find a patch that adds support to dovecot-1.2.11 for: - RFC 4467 - IMAP URLAUTH Extension - RFC 4468 - Submission BURL - RFC 4469 - IMAP CATENATE Extension URLAUTH URLAUTH is added as a plugin so it can be disabled to satisfy site security requirements. Each user's URLAUTH keys for all mailboxes are stored in a file named "urlauthkeys" at the top level. It is safe to remove this file but doing so invalidates all previously-generated IMAP URLs. BURL BURL is an extension to SMTP not IMAP, but support is needed on the IMAP side to establish a trust relationship between the submission server and the IMAP server. The patch adds the concept of "submit" users. Submit users are like master users in that they may log in as any user. However submit users can use only a limited set of commands: just URLFETCH, ID, CAPABILITY (although the capabilities are a lie since submit users can't use most commands), and LOGOUT. This restriction enables an IMAP server to allow a BURL-capable submission server to use URLFETCH commands without risking a huge security breach if a submit user's credentials are compromised. In other words, you can safely enable limited-power submit users without enabling super-user master users. The patch adds a non-standard X-PLAIN-SUBMIT authentication method specifically to allow plain-text submit user logins while plain-text regular user logins are not allowed. This lets the system administrator configure the same submit user and password credentials on both the submission server and the IMAP server. Today Apple also contributes BURL support to the Postfix open source project. Postfix BURL interoperates with Dovecot BURL/URLAUTH. CATENATE The patch fully supports LITERAL+ and MULTIAPPEND in conjunction with CATENATE. As with our previous patches, all of our changes are commented with "APPLE" not to pollute the code but to help us merge in your new releases. Feel free to remove those comments or restructure or rewrite the code as desired, as long as you preserve our copyright. We understand that our implementation choices may differ from yours; if you see a better way to achieve the same goal please do adopt the better way. Some areas we are aware could use improvement but satisfy our own needs: - the maildir-specific code in urlauth-keys - the NFS-unsafe locking and read-modify-write algorithms in urlauth-keys - hook_delete_mailbox and hook_select_send_urlmech - output_squelch in struct client - urlfetch and urlfetched in struct imap_fetch_context Apple invites the dovecot developers and contributors to port this patch to Dovecot-2.0. Dovecot-2.0 has not been stable enough for us yet to make it the base of our development. Please let me know if you have any questions, concerns, or bug reports regarding this patch. Thanks. diff -Nur dovecot-1.2.11/AUTHORS dovecot-1.2.11+lemonade/AUTHORS --- dovecot-1.2.11/AUTHORS 2008-12-19 01:31:33.000000000 -0600 +++ dovecot-1.2.11+lemonade/AUTHORS 2010-04-08 09:59:12.000000000 -0500 @@ -13,6 +13,6 @@ Vaclav Haisman <v.haisman(a)sh.cvut.cz> (src/lib/ioloop-kqueue.c, src/lib/ioloop-notify-kqueue.c) -Portions Copyright (c) 2008 Apple Inc. All rights reserved. +Portions Copyright (c) 2008-2010 Apple Inc. All rights reserved. Grepping 'Patch by' from ChangeLog shows up more people. diff -Nur dovecot-1.2.11/COPYING dovecot-1.2.11+lemonade/COPYING --- dovecot-1.2.11/COPYING 2008-06-08 21:21:55.000000000 -0500 +++ dovecot-1.2.11+lemonade/COPYING 2010-04-08 09:59:12.000000000 -0500 @@ -75,3 +75,37 @@ not be used in advertising or otherwise to promote the sale, use or other dealings in these Data Files or Software without prior written authorization of the copyright holder. + +CATENATE support in src/imap/cmd-append.c +src/lib/lib-imap/imap-url.c +src/lib/lib-imap/imap-url.h +src/plugins/urlauth/* + + Copyright (c) 2010 Apple Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + 3. Neither the name of Apple Inc. ("Apple") nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. diff -Nur dovecot-1.2.11/configure dovecot-1.2.11+lemonade/configure --- dovecot-1.2.11/configure 2010-03-08 11:31:05.000000000 -0600 +++ dovecot-1.2.11+lemonade/configure 2010-04-08 09:59:12.000000000 -0500 @@ -23068,7 +23068,7 @@ capability_banner="IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE" -capability="$capability_banner SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS" +capability="$capability_banner SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND CATENATE UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS" cat >>confdefs.h <<_ACEOF #define CAPABILITY_STRING "$capability" @@ -23089,7 +23089,7 @@ ac_config_headers="$ac_config_headers config.h" -ac_config_files="$ac_config_files Makefile doc/Makefile doc/wiki/Makefile src/Makefile src/lib/Makefile src/lib-sql/Makefile src/lib-auth/Makefile src/lib-charset/Makefile src/lib-dict/Makefile src/lib-imap/Makefile src/lib-index/Makefile src/lib-mail/Makefile src/lib-ntlm/Makefile src/lib-otp/Makefile src/lib-settings/Makefile src/lib-storage/Makefile src/lib-storage/list/Makefile src/lib-storage/index/Makefile src/lib-storage/index/maildir/Makefile src/lib-storage/index/mbox/Makefile src/lib-storage/index/dbox/Makefile src/lib-storage/index/cydir/Makefile src/lib-storage/index/raw/Makefile src/lib-storage/index/shared/Makefile src/lib-storage/register/Makefile src/auth/Makefile src/deliver/Makefile src/dict/Makefile src/imap/Makefile src/imap-login/Makefile src/login-common/Makefile src/master/Makefile src/pop3/Makefile src/pop3-login/Makefile src/tests/Makefile src/util/Makefile src/plugins/Makefile src/plugins/acl/Makefile src/plugins/imap-acl/Makefile src/plugins/autocreate/Makefile src/plugins/convert/Makefile src/plugins/expire/Makefile src/plugins/fts/Makefile src/plugins/fts-lucene/Makefile src/plugins/fts-solr/Makefile src/plugins/fts-squat/Makefile src/plugins/lazy-expunge/Makefile src/plugins/listescape/Makefile src/plugins/mail-log/Makefile src/plugins/mbox-snarf/Makefile src/plugins/quota/Makefile src/plugins/imap-quota/Makefile src/plugins/trash/Makefile src/plugins/virtual/Makefile src/plugins/zlib/Makefile stamp.h dovecot-config.in" +ac_config_files="$ac_config_files Makefile doc/Makefile doc/wiki/Makefile src/Makefile src/lib/Makefile src/lib-sql/Makefile src/lib-auth/Makefile src/lib-charset/Makefile src/lib-dict/Makefile src/lib-imap/Makefile src/lib-index/Makefile src/lib-mail/Makefile src/lib-ntlm/Makefile src/lib-otp/Makefile src/lib-settings/Makefile src/lib-storage/Makefile src/lib-storage/list/Makefile src/lib-storage/index/Makefile src/lib-storage/index/maildir/Makefile src/lib-storage/index/mbox/Makefile src/lib-storage/index/dbox/Makefile src/lib-storage/index/cydir/Makefile src/lib-storage/index/raw/Makefile src/lib-storage/index/shared/Makefile src/lib-storage/register/Makefile src/auth/Makefile src/deliver/Makefile src/dict/Makefile src/imap/Makefile src/imap-login/Makefile src/login-common/Makefile src/master/Makefile src/pop3/Makefile src/pop3-login/Makefile src/tests/Makefile src/util/Makefile src/plugins/Makefile src/plugins/acl/Makefile src/plugins/imap-acl/Makefile src/plugins/autocreate/Makefile src/plugins/convert/Makefile src/plugins/expire/Makefile src/plugins/fts/Makefile src/plugins/fts-lucene/Makefile src/plugins/fts-solr/Makefile src/plugins/fts-squat/Makefile src/plugins/lazy-expunge/Makefile src/plugins/listescape/Makefile src/plugins/mail-log/Makefile src/plugins/mbox-snarf/Makefile src/plugins/quota/Makefile src/plugins/imap-quota/Makefile src/plugins/trash/Makefile src/plugins/urlauth/Makefile src/plugins/virtual/Makefile src/plugins/zlib/Makefile stamp.h dovecot-config.in" cat >confcache <<\_ACEOF @@ -24282,6 +24282,7 @@ "src/plugins/quota/Makefile") CONFIG_FILES="$CONFIG_FILES src/plugins/quota/Makefile" ;; "src/plugins/imap-quota/Makefile") CONFIG_FILES="$CONFIG_FILES src/plugins/imap-quota/Makefile" ;; "src/plugins/trash/Makefile") CONFIG_FILES="$CONFIG_FILES src/plugins/trash/Makefile" ;; + "src/plugins/urlauth/Makefile") CONFIG_FILES="$CONFIG_FILES src/plugins/urlauth/Makefile" ;; "src/plugins/virtual/Makefile") CONFIG_FILES="$CONFIG_FILES src/plugins/virtual/Makefile" ;; "src/plugins/zlib/Makefile") CONFIG_FILES="$CONFIG_FILES src/plugins/zlib/Makefile" ;; "stamp.h") CONFIG_FILES="$CONFIG_FILES stamp.h" ;; diff -Nur dovecot-1.2.11/configure.in dovecot-1.2.11+lemonade/configure.in --- dovecot-1.2.11/configure.in 2010-03-08 11:30:53.000000000 -0600 +++ dovecot-1.2.11+lemonade/configure.in 2010-04-08 09:59:12.000000000 -0500 @@ -2436,7 +2436,7 @@ dnl ** capability_banner="IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE" -capability="$capability_banner SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS" +capability="$capability_banner SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND CATENATE UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS" AC_DEFINE_UNQUOTED(CAPABILITY_STRING, "$capability", IMAP capabilities) AC_DEFINE_UNQUOTED(CAPABILITY_BANNER_STRING, "$capability_banner", IMAP capabilities advertised in banner) @@ -2503,6 +2503,7 @@ src/plugins/quota/Makefile src/plugins/imap-quota/Makefile src/plugins/trash/Makefile +src/plugins/urlauth/Makefile src/plugins/virtual/Makefile src/plugins/zlib/Makefile stamp.h diff -Nur dovecot-1.2.11/dovecot-example.conf dovecot-1.2.11+lemonade/dovecot-example.conf --- dovecot-1.2.11/dovecot-example.conf 2010-01-24 17:30:41.000000000 -0600 +++ dovecot-1.2.11+lemonade/dovecot-example.conf 2010-04-08 09:59:12.000000000 -0500 @@ -323,6 +323,7 @@ # Enable mail process debugging. This can help you figure out why Dovecot # isn't finding your mails. +# (APPLE) This also helps troubleshoot URLFETCH issues. #mail_debug = no # Log prefix for mail processes. See <doc/wiki/Variables.txt> for list of @@ -1187,6 +1188,10 @@ # Mails are first deleted in lowest -> highest priority number order #trash = /etc/dovecot-trash.conf + # (APPLE) Server name for GENURLAUTH/URLFETCH. Can be host:port or + # just a FQHN. Default is the system's real hostname. + #urlauth_hostport = + # Expire plugin. Mails are expunged from mailboxes after being there the # configurable time. The first expiration date for each mailbox is stored in # a dictionary so it can be quickly determined which mailboxes contain diff -Nur dovecot-1.2.11/src/auth/auth-request-handler.c dovecot-1.2.11+lemonade/src/auth/auth-request-handler.c --- dovecot-1.2.11/src/auth/auth-request-handler.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/auth-request-handler.c 2010-04-08 09:59:12.000000000 -0500 @@ -249,7 +249,8 @@ if (request->internal_failure) auth_stream_reply_add(reply, "temp", NULL); - else if (request->master_user != NULL) { + else if (request->master_user != NULL || + request->submit_user != NULL) { /* APPLE - urlauth */ /* authentication succeeded, but we can't log in as the wanted user */ auth_stream_reply_add(reply, "authz", NULL); @@ -473,6 +474,14 @@ "master_user", request->master_user); } + + /* APPLE - urlauth */ + if (request->submit_user != NULL) { + auth_stream_reply_add(request->userdb_reply, + "submit_user", + request->submit_user); + } + auth_stream_reply_import(reply, auth_stream_reply_export(request->userdb_reply)); break; diff -Nur dovecot-1.2.11/src/auth/auth-request.c dovecot-1.2.11+lemonade/src/auth/auth-request.c --- dovecot-1.2.11/src/auth/auth-request.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/auth-request.c 2010-04-08 09:59:12.000000000 -0500 @@ -126,6 +126,12 @@ auth_stream_reply_add(reply, "master_user", request->master_user); } + + /* APPLE - urlauth */ + if (request->submit_user != NULL) + auth_stream_reply_add(reply, "submit_user", + request->submit_user); + auth_stream_reply_add(reply, "original_username", request->original_username); @@ -162,6 +168,11 @@ request->user = p_strdup(request->pool, value); else if (strcmp(key, "master_user") == 0) request->master_user = p_strdup(request->pool, value); + + /* APPLE - urlauth */ + else if (strcmp(key, "submit_user") == 0) + request->submit_user = p_strdup(request->pool, value); + else if (strcmp(key, "original_username") == 0) request->original_username = p_strdup(request->pool, value); else if (strcmp(key, "cert_username") == 0) { @@ -188,7 +199,8 @@ else if (strcmp(key, "valid-client-cert") == 0) request->valid_client_cert = TRUE; else if (strcmp(key, "skip_password_check") == 0) { - i_assert(request->master_user != NULL); + i_assert(request->master_user != NULL || + request->submit_user != NULL); /* APPLE - urlauth */ request->skip_password_check = TRUE; } else if (strcmp(key, "mech") == 0) request->mech_name = p_strdup(request->pool, value); @@ -303,15 +315,27 @@ result == PASSDB_RESULT_OK); } -static bool auth_request_master_lookup_finish(struct auth_request *request) +static bool auth_request_master_lookup_finish(struct auth_request *request, + bool submit) /* APPLE - urlauth */ { if (request->passdb_failure) return TRUE; /* master login successful. update user and master_user variables. */ + + /* APPLE - urlauth */ + if (submit) + auth_request_log_info(request, "passdb", + "Submit user logging in as %s", + request->requested_login_user); + else /* reduce code deltas */ auth_request_log_info(request, "passdb", "Master user logging in as %s", request->requested_login_user); + /* APPLE - urlauth */ + if (submit) + request->submit_user = request->user; + else /* reduce code deltas */ request->master_user = request->user; request->user = request->requested_login_user; request->requested_login_user = NULL; @@ -352,7 +376,20 @@ /* success */ if (request->requested_login_user != NULL) { /* this was a master user lookup. */ - if (!auth_request_master_lookup_finish(request)) + + /* APPLE - urlauth */ + if (request->passdb->submit && + strcasecmp(request->service, "imap") != 0) { + auth_request_log_info(request, "passdb", + "Attempted submit user login for " + "non-imap service %s " + "(trying to log in as user: %s)", + request->service, + request->requested_login_user); + *result = PASSDB_RESULT_USER_DISABLED; + } else /* reduce code deltas */ + if (!auth_request_master_lookup_finish(request, + request->passdb->submit)) /* APPLE - urlauth */ return FALSE; } else { if (request->passdb->pass) { @@ -1310,7 +1347,8 @@ if (request->skip_password_check) { /* currently this can happen only with master logins */ - i_assert(request->master_user != NULL); + i_assert(request->master_user != NULL || + request->submit_user != NULL); /* APPLE - urlauth */ return 1; } @@ -1458,8 +1496,13 @@ str_append_c(str, ','); str_append(str, ip); } - if (auth_request->requested_login_user != NULL) + if (auth_request->requested_login_user != NULL) { + /* APPLE - urlauth */ + if (auth_request->submit_user != NULL) + str_append(str, ",submit"); + else /* reduce code deltas */ str_append(str, ",master"); + } str_append(str, "): "); str_vprintfa(str, format, va); return str_c(str); diff -Nur dovecot-1.2.11/src/auth/auth-request.h dovecot-1.2.11+lemonade/src/auth/auth-request.h --- dovecot-1.2.11/src/auth/auth-request.h 2009-02-21 16:07:43.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/auth-request.h 2010-04-08 09:59:12.000000000 -0500 @@ -32,6 +32,10 @@ has validated user as a valid master user, master_user is set to user and user is set to requested_login_user. */ char *user, *requested_login_user, *master_user; + + /* APPLE - urlauth - when the master user is a submission server */ + char *submit_user; + /* original_username contains the username exactly as given by the client. this is needed at least with DIGEST-MD5 for password verification. however with master logins the master username has diff -Nur dovecot-1.2.11/src/auth/auth.c dovecot-1.2.11+lemonade/src/auth/auth.c --- dovecot-1.2.11/src/auth/auth.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/auth.c 2010-04-08 09:59:12.000000000 -0500 @@ -37,6 +37,8 @@ masterdb_p = &auth->masterdbs; auth_passdb = NULL; for (i = 1; ; i++) { + bool is_master; /* APPLE - urlauth */ + driver = getenv(t_strdup_printf("PASSDB_%u_DRIVER", i)); if (driver == NULL) break; @@ -49,7 +51,16 @@ auth_passdb->pass = getenv(t_strdup_printf("PASSDB_%u_PASS", i)) != NULL; - if (getenv(t_strdup_printf("PASSDB_%u_MASTER", i)) == NULL) { + /* APPLE - urlauth - Submit user has much less power than + master user. Forbid both master and submit in one passdb + so that unaware services (pop3, managesieve) don't + compromise security. */ + auth_passdb->submit = + getenv(t_strdup_printf("PASSDB_%u_SUBMIT", i)) != NULL; + is_master = getenv(t_strdup_printf("PASSDB_%u_MASTER", i)) != NULL; + if (is_master && auth_passdb->submit) + i_fatal("Passdb can't have master=yes and submit=yes"); + if (!is_master && !auth_passdb->submit) { *passdb_p = auth_passdb; passdb_p = &auth_passdb->next; } else { diff -Nur dovecot-1.2.11/src/auth/auth.h dovecot-1.2.11+lemonade/src/auth/auth.h --- dovecot-1.2.11/src/auth/auth.h 2008-06-08 21:21:56.000000000 -0500 +++ dovecot-1.2.11+lemonade/src/auth/auth.h 2010-04-08 09:59:12.000000000 -0500 @@ -16,6 +16,9 @@ unsigned int deny:1; /* after a successful lookup, continue to next passdb */ unsigned int pass:1; + + /* APPLE - urlauth - submission server login */ + unsigned int submit:1; }; struct auth_userdb { diff -Nur dovecot-1.2.11/src/auth/db-checkpassword.c dovecot-1.2.11+lemonade/src/auth/db-checkpassword.c --- dovecot-1.2.11/src/auth/db-checkpassword.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/db-checkpassword.c 2010-04-08 09:59:12.000000000 -0500 @@ -120,6 +120,13 @@ env_put(t_strconcat("MASTER_USER=", request->master_user, NULL)); } + + /* APPLE - urlauth */ + if (request->submit_user != NULL) { + env_put(t_strconcat("SUBMIT_USER=", + request->submit_user, NULL)); + } + if (request->extra_fields != NULL) { const char *fields = auth_stream_reply_export(request->extra_fields); diff -Nur dovecot-1.2.11/src/auth/mech-plain.c dovecot-1.2.11+lemonade/src/auth/mech-plain.c --- dovecot-1.2.11/src/auth/mech-plain.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/mech-plain.c 2010-04-08 09:59:12.000000000 -0500 @@ -6,9 +6,11 @@ #include "passdb.h" #include "plain-common.h" +/* APPLE - urlauth */ static void -mech_plain_auth_continue(struct auth_request *request, - const unsigned char *data, size_t data_size) +mech_plain_auth_continue_submit(struct auth_request *request, + const unsigned char *data, size_t data_size, + bool submit) { const char *authid, *authenid, *error; char *pass; @@ -54,6 +56,19 @@ auth_request_log_info(request, "plain", "login user: %s", error); auth_request_fail(request); + + /* APPLE - urlauth */ + } else if (submit) { + if (request->requested_login_user != NULL && + *request->requested_login_user != '\0') + auth_request_verify_plain(request, pass, + plain_verify_callback); + else { + auth_request_log_info(request, "x-plain-submit", + "non-submit login"); + auth_request_fail(request); + } + } else { auth_request_verify_plain(request, pass, plain_verify_callback); @@ -64,6 +79,14 @@ safe_memset(pass, 0, strlen(pass)); } +/* APPLE - urlauth */ +static void +mech_plain_auth_continue(struct auth_request *request, + const unsigned char *data, size_t data_size) +{ + mech_plain_auth_continue_submit(request, data, data_size, FALSE); +} + static struct auth_request *mech_plain_auth_new(void) { struct auth_request *request; @@ -86,3 +109,26 @@ mech_plain_auth_continue, mech_generic_auth_free }; + +/* APPLE - urlauth - rest of file + The X-PLAIN-SUBMIT mechanism mimics PLAIN but only for submit users + (and master users, since we can't tell the difference so early). */ + +static void +mech_submit_auth_continue(struct auth_request *request, + const unsigned char *data, size_t data_size) +{ + mech_plain_auth_continue_submit(request, data, data_size, TRUE); +} + +const struct mech_module mech_x_plain_submit = { + "X-PLAIN-SUBMIT", + + MEMBER(flags) MECH_SEC_PLAINTEXT, + MEMBER(passdb_need) MECH_PASSDB_NEED_VERIFY_PLAIN, + + mech_plain_auth_new, + mech_generic_auth_initial, + mech_submit_auth_continue, + mech_generic_auth_free +}; diff -Nur dovecot-1.2.11/src/auth/mech.c dovecot-1.2.11+lemonade/src/auth/mech.c --- dovecot-1.2.11/src/auth/mech.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/mech.c 2010-04-08 09:59:12.000000000 -0500 @@ -64,6 +64,7 @@ } extern const struct mech_module mech_plain; +extern const struct mech_module mech_x_plain_submit; /* APPLE - urlauth */ extern const struct mech_module mech_login; extern const struct mech_module mech_apop; extern const struct mech_module mech_cram_md5; @@ -86,6 +87,7 @@ void mech_init(void) { mech_register_module(&mech_plain); + mech_register_module(&mech_x_plain_submit); /* APPLE - urlauth */ mech_register_module(&mech_login); mech_register_module(&mech_apop); mech_register_module(&mech_cram_md5); @@ -112,6 +114,7 @@ void mech_deinit(void) { mech_unregister_module(&mech_plain); + mech_unregister_module(&mech_x_plain_submit); /* APPLE - urlauth */ mech_unregister_module(&mech_login); mech_unregister_module(&mech_apop); mech_unregister_module(&mech_cram_md5); diff -Nur dovecot-1.2.11/src/auth/passdb-blocking.c dovecot-1.2.11+lemonade/src/auth/passdb-blocking.c --- dovecot-1.2.11/src/auth/passdb-blocking.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/auth/passdb-blocking.c 2010-04-08 09:59:12.000000000 -0500 @@ -19,7 +19,8 @@ if (*args != NULL) { i_assert(auth_stream_is_empty(request->extra_fields) || - request->master_user != NULL); + request->master_user != NULL || + request->submit_user != NULL); /* APPLE - urlauth */ auth_request_set_fields(request, args, NULL); } } @@ -73,7 +74,8 @@ struct auth_stream_reply *reply; i_assert(auth_stream_is_empty(request->extra_fields) || - request->master_user != NULL); + request->master_user != NULL || + request->submit_user != NULL); /* APPLE - urlauth */ reply = auth_stream_reply_init(pool_datastack_create()); auth_stream_reply_add(reply, "PASSV", NULL); @@ -112,7 +114,8 @@ struct auth_stream_reply *reply; i_assert(auth_stream_is_empty(request->extra_fields) || - request->master_user != NULL); + request->master_user != NULL || + request->submit_user != NULL); /* APPLE - urlauth */ reply = auth_stream_reply_init(pool_datastack_create()); auth_stream_reply_add(reply, "PASSL", NULL); diff -Nur dovecot-1.2.11/src/imap/client.c dovecot-1.2.11+lemonade/src/imap/client.c --- dovecot-1.2.11/src/imap/client.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/client.c 2010-04-08 09:59:12.000000000 -0500 @@ -53,6 +53,7 @@ client->command_pool = pool_alloconly_create(MEMPOOL_GROWING"client command", 2048); client->user = user; + client->submit = getenv("SUBMIT_USER") != NULL; /* APPLE - urlauth */ for (ns = user->namespaces; ns != NULL; ns = ns->next) { mail_storage_set_callbacks(ns->storage, @@ -225,6 +226,10 @@ if (client->output->closed) return -1; + /* APPLE - urlauth */ + if (client->output_squelch) + return 1; + iov[0].iov_base = data; iov[0].iov_len = strlen(data); iov[1].iov_base = "\r\n"; @@ -250,6 +255,10 @@ if (client->output->closed || cmd->cancel) return; + /* APPLE - urlauth */ + if (client->output_squelch) + return; + if (tag == NULL || *tag == '\0') tag = "*"; @@ -268,6 +277,10 @@ const char *error, *cmd_name; bool fatal; + /* APPLE - urlauth */ + if (client->output_squelch) + return; + if (msg == NULL) { msg = imap_parser_get_error(cmd->parser, &fatal); if (fatal) { @@ -551,7 +564,8 @@ /* Skip incoming data until newline is found, returns TRUE if newline was found. */ -static bool client_skip_line(struct client *client) +/* APPLE - catenate - was static */ +bool client_skip_line(struct client *client) { const unsigned char *data; size_t i, data_size; @@ -655,6 +669,19 @@ cmd->param_error = TRUE; client_command_free(&cmd); return TRUE; + + /* APPLE - urlauth - Users logged in via the submit user may execute + only commands marked with COMMAND_FLAG_OK_FOR_SUBMIT_USER. This + prevents leakage of the submit user's credentials from causing + a huge security breach, as it would be if we relied solely on + dovecot's regular master users who can do anything to any user. */ + } else if ((cmd->cmd_flags & COMMAND_FLAG_OK_FOR_SUBMIT_USER) == 0 && + client->submit) { + client_send_tagline(cmd, "NO Command forbidden to submit user"); + cmd->param_error = TRUE; + client_command_free(&cmd); + return TRUE; + } else { i_assert(!client->disconnected); diff -Nur dovecot-1.2.11/src/imap/client.h dovecot-1.2.11+lemonade/src/imap/client.h --- dovecot-1.2.11/src/imap/client.h 2009-06-26 23:49:34.000000000 -0500 +++ dovecot-1.2.11+lemonade/src/imap/client.h 2010-04-08 09:59:12.000000000 -0500 @@ -138,6 +138,8 @@ unsigned int input_skip_line:1; /* skip all the data until we've found a new line */ unsigned int modseqs_sent_since_sync:1; + unsigned int output_squelch:1; /* APPLE - urlauth */ + unsigned int submit:1; /* APPLE - urlauth */ }; /* Create new client with specified input/output handles. socket specifies @@ -188,6 +190,9 @@ bool client_handle_unfinished_cmd(struct client_command_context *cmd); void client_continue_pending_input(struct client *client); +/* APPLE - catenate */ +bool client_skip_line(struct client *client); + void client_input(struct client *client); bool client_handle_input(struct client *client); int client_output(struct client *client); diff -Nur dovecot-1.2.11/src/imap/cmd-append.c dovecot-1.2.11+lemonade/src/imap/cmd-append.c --- dovecot-1.2.11/src/imap/cmd-append.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/cmd-append.c 2010-04-08 09:59:12.000000000 -0500 @@ -8,9 +8,16 @@ #include "commands.h" #include "imap-parser.h" #include "imap-date.h" +#include "imap-url.h" /* APPLE - catenate */ +#include "imap-fetch.h" /* APPLE - catenate */ +#include "imap-search-args.h" /* APPLE - catenate */ +#include "fd-set-nonblock.h" /* APPLE - catenate */ +#include "mail-storage-private.h" /* APPLE - catenate */ +#include "mail-search.h" /* APPLE - catenate */ #include "mail-storage.h" #include <sys/time.h> +#include <stdlib.h> /* APPLE - catenate */ /* Don't allow internaldates to be too far in the future. At least with Maildir they can cause problems with incremental backups since internaldate is @@ -32,6 +39,21 @@ struct mail_save_context *save_ctx; unsigned int count; + /* APPLE - catenate */ + struct { + struct ostream *output; /* to pipe; input is from pipe */ + struct istream *literal_input; + uoff_t literal_size; + string_t *literal_url; + unsigned int parts; + + /* also, + msg_size is the cumulative size of the message + message_input is used as "reading any literal" + */ + } cat; + const struct imap_arg *args; + unsigned int message_input:1; unsigned int failed:1; }; @@ -40,6 +62,13 @@ static bool cmd_append_continue_message(struct client_command_context *cmd); static bool cmd_append_continue_parsing(struct client_command_context *cmd); +/* APPLE - catenate */ +static bool args_indicate_catenate(const struct imap_arg *args); +static bool catenate_begin_parsing(struct client_command_context *cmd, + const struct imap_arg *args); +static bool catenate_begin_cancel(struct client_command_context *cmd, + const struct imap_arg *args); + static void client_input_append(struct client_command_context *cmd) { struct cmd_append_context *ctx = cmd->context; @@ -226,6 +255,11 @@ /* if error occurs, the CRLF is already read. */ client->input_skip_line = FALSE; + /* APPLE - catenate */ + if (ctx->args != NULL) { + args = ctx->args; + ctx->args = NULL; + } else { /* reduce code deltas */ /* [<flags>] [<internal date>] <message literal> */ ret = imap_parser_read_args(ctx->save_parser, 0, IMAP_PARSE_FLAG_LITERAL_SIZE, &args); @@ -239,6 +273,7 @@ /* need more data */ return FALSE; } + } /* APPLE - catenate */ if (args->type == IMAP_ARG_EOL) { /* last message */ @@ -295,6 +330,11 @@ return cmd_sync(cmd, sync_flags, imap_flags, msg); } + /* APPLE - catenate */ + if (args_indicate_catenate(args)) + return ctx->failed ? catenate_begin_cancel(cmd, args) : + catenate_begin_parsing(cmd, args); + if (!validate_args(args, &flags_list, &internal_date_str, &ctx->msg_size, &nonsync)) { client_send_command_error(cmd, "Invalid arguments."); @@ -330,6 +370,11 @@ } else if (!imap_parse_datetime(internal_date_str, &internal_date, &timezone_offset)) { client_send_tagline(cmd, "BAD Invalid internal date."); + + /* APPLE */ + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + return cmd_append_cancel(ctx, nonsync); } @@ -343,6 +388,11 @@ if (ctx->msg_size == 0) { /* no message data, abort */ client_send_tagline(cmd, "NO Can't save a zero byte message."); + + /* APPLE */ + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + return cmd_append_cancel(ctx, nonsync); } @@ -527,3 +577,908 @@ cmd->context = ctx; return cmd_append_continue_parsing(cmd); } + +/* APPLE - rest of file - catenate + Implements RFC 4469. + + Tried to weave CATENATE support into the existing code but was too messy. + Chose to keep a separate state machine rather than rewrite it all. + + Enter at catenate_begin_parsing(). That iterates through all the + in-line URLs. If it encounters a URL literal, it continues at + catenate_continue_url(). If it encounters a TEXT literal, it + continues at catenate_continue_text(). Both of these flow to + catenate_continue_parsing(). At the end, catenate_finish() passes + control back to cmd_append_continue_parsing(). */ + +#define MAX_URL_LITERAL_SIZE 8000 +#define MAX_CATENATE_MSG_SIZE ((uint32_t) -1) +#define MAX_CATENATE_PARTS 50 +#ifndef PIPE_MAX +# define PIPE_MAX 5120 +#endif + +static bool catenate_process_args(struct client_command_context *cmd, + const struct imap_arg *args, bool nonsync); +static bool catenate_cancel_args(struct client_command_context *cmd, + const struct imap_arg *args, bool nonsync); +static bool catenate_cancel(struct cmd_append_context *ctx, bool nonsync); +static bool catenate_finish(struct cmd_append_context *ctx, bool cancel); +static bool catenate_finish_literal(struct client_command_context *cmd, + bool cancel); + +static bool args_indicate_catenate(const struct imap_arg *args) +{ + while (args->type != IMAP_ARG_EOL) { + if (args->type == IMAP_ARG_ATOM && + strcasecmp(args->_data.str, "CATENATE") == 0) + return TRUE; + args++; + } + return FALSE; +} + +static void catenate_solicit(struct cmd_append_context *ctx, bool nonsync) +{ + if (!nonsync) { + o_stream_send(ctx->client->output, "+ OK\r\n", 6); + o_stream_flush(ctx->client->output); + o_stream_uncork(ctx->client->output); + o_stream_cork(ctx->client->output); + } +} + +static bool catenate_url_validate(const struct imap_url_parts *parts, + const char **error) +{ + // user: absent; RFC 3501 "userid" + if (parts->user != NULL) { + *error = "user ID present; need relative URL"; + return FALSE; + } + + // auth_type: absent; RFC 3501 "auth-type" + if (parts->auth_type != NULL) { + *error = "auth type present; need relative URL"; + return FALSE; + } + + // hostport: absent; RFC 1738 "hostport" + if (parts->hostport != NULL) { + *error = "server present; need relative URL"; + return FALSE; + } + + // mailbox: optional; RFC 3501 "mailbox" + if (parts->mailbox != NULL && + !imap_url_mailbox_validate(parts->mailbox)) { + *error = "invalid mailbox"; + return FALSE; + } + + // uidvalidity: optional; RFC 3501 "nz-number" + if (parts->uidvalidity != NULL && + !imap_url_nz_number_validate(parts->uidvalidity)) { + *error = "invalid uidvalidity"; + return FALSE; + } + + // uid: mandatory; RFC 3501 "nz-number" + if (parts->uid == NULL || + !imap_url_nz_number_validate(parts->uid)) { + *error = "missing or invalid uid"; + return FALSE; + } + + // section: optional; RFC 2192 "section" + if (parts->section != NULL && + !imap_url_section_validate(parts->section)) { + *error = "invalid section"; + return FALSE; + } + + // expiration: absent; RFC 3339 "date-time" + if (parts->expiration != NULL) { + *error = "expiration present"; + return FALSE; + } + + // access: absent; RFC 4467 "access" + if (parts->access != NULL) { + *error = "missing or invalid access ID"; + return FALSE; + } + + // mechanism: absent + if (parts->mechanism != NULL) { + *error = "mechanism present"; + return FALSE; + } + + // urlauth: absent + if (parts->urlauth != NULL) { + *error = "access token present"; + return FALSE; + } + + return TRUE; +} + +struct catenate_fetch_context { + struct cmd_append_context *ctx; + struct ostream *client_output; + const char *url; + const char *mailbox; + struct mail_storage *storage; + struct mailbox *box; + struct istream *input; + struct imap_parser *parser; + struct mail_search_args *search_args; + struct imap_fetch_context *fetch_ctx; +}; + +static bool catenate_fetch_cleanup(struct catenate_fetch_context *cfctx, + bool toobig, const char *error) +{ + if (cfctx->fetch_ctx != NULL) { + if (!cfctx->fetch_ctx->urlfetched) { + if (error == NULL && !toobig) + error = "message not found"; + } + if (imap_fetch_deinit(cfctx->fetch_ctx) < 0) + cfctx->fetch_ctx->failed = TRUE; + if (cfctx->fetch_ctx->failed) { + if (error == NULL && !toobig) + error = "message fetch failed"; + } + cfctx->fetch_ctx->urlfetch = FALSE; + } + if (cfctx->search_args != NULL) + mail_search_args_unref(&cfctx->search_args); + if (cfctx->parser != NULL) + imap_parser_destroy(&cfctx->parser); + if (cfctx->input != NULL) + i_stream_unref(&cfctx->input); + if (cfctx->box != NULL) + mailbox_close(&cfctx->box); + if (cfctx->client_output != NULL) + cfctx->ctx->client->output = cfctx->client_output; + cfctx->ctx->client->output_squelch = FALSE; + + if (toobig) + client_send_tagline(cfctx->ctx->cmd, + "NO [TOOBIG] Resulting message too large"); + else if (error != NULL) + client_send_tagline(cfctx->ctx->cmd, + t_strconcat("NO [BADURL ", + imap_url_sanitize(cfctx->url), + "] ", error, NULL)); + return error == NULL && !toobig; +} + +static bool catenate_url(struct cmd_append_context *ctx, const char *url) +{ + struct imap_url_parts enc_parts, dec_parts; + const char *error = NULL; + struct catenate_fetch_context cfctx; + struct mailbox_status status; + string_t *fetch_text; + const struct imap_arg *fetch_args = NULL, *next_arg = NULL; + int fetch_ret, flush_ret, ret; + bool header, toobig; + uoff_t size; + + /* parse, decode, and validate the url */ + memset(&enc_parts, 0, sizeof enc_parts); + memset(&dec_parts, 0, sizeof dec_parts); + imap_url_parse(url, &enc_parts); + if (!imap_url_decode(&enc_parts, &dec_parts, &error) || + !catenate_url_validate(&dec_parts, &error)) { + client_send_tagline(ctx->cmd, + t_strconcat("NO [BADURL ", + imap_url_sanitize(url), + "] ", error, NULL)); + return FALSE; + } + + memset(&cfctx, 0, sizeof cfctx); + cfctx.ctx = ctx; + cfctx.url = url; + + ctx->cmd->client->output_squelch = TRUE; + + /* get the mailbox; if none in URL use the selected one */ + if (dec_parts.mailbox) { + cfctx.mailbox = t_strdup(dec_parts.mailbox); + cfctx.storage = client_find_storage(ctx->cmd, &cfctx.mailbox); + if (cfctx.storage == NULL) + return catenate_fetch_cleanup(&cfctx, FALSE, + "can't find storage"); + } else if (ctx->cmd->client->mailbox != NULL) { + cfctx.mailbox = mailbox_get_name(ctx->cmd->client->mailbox); + cfctx.storage = ctx->cmd->client->mailbox->storage; + } else + return catenate_fetch_cleanup(&cfctx, FALSE, + "no mailbox specified or selected"); + cfctx.box = mailbox_open(&cfctx.storage, cfctx.mailbox, NULL, + MAILBOX_OPEN_READONLY | MAILBOX_OPEN_KEEP_RECENT); + if (cfctx.box == NULL) + return catenate_fetch_cleanup(&cfctx, FALSE, + "can't open mailbox"); + + /* verify uidvalidity */ + if (mailbox_sync(cfctx.box, + MAILBOX_SYNC_FLAG_FULL_READ | MAILBOX_SYNC_FLAG_FAST, + STATUS_UIDVALIDITY, &status) < 0 || + (dec_parts.uidvalidity != NULL && + strtoul(dec_parts.uidvalidity, NULL, 10) != status.uidvalidity)) + return catenate_fetch_cleanup(&cfctx, FALSE, + "uidvalidity mismatch"); + + /* fetch the data as in + UID FETCH dec_parts.uid BODY.PEEK[dec_parts.section] + but with less output syntax */ + fetch_text = t_str_new(11 + (dec_parts.section ? + strlen(dec_parts.section) : 0)); + str_append(fetch_text, "BODY.PEEK["); + if (dec_parts.section) + str_append(fetch_text, dec_parts.section); + str_append(fetch_text, "]"); + + cfctx.input = i_stream_create_from_data(str_data(fetch_text), + str_len(fetch_text)); + (void) i_stream_read(cfctx.input); + + cfctx.parser = imap_parser_create(cfctx.input, NULL, (size_t) -1); + if (imap_parser_finish_line(cfctx.parser, 0, 0, &fetch_args) < 0) + return catenate_fetch_cleanup(&cfctx, FALSE, + "can't parse fetch string"); + + ctx->cmd->uid = TRUE; + if (imap_search_get_uidset_arg(ctx->cmd, dec_parts.uid, + &cfctx.search_args, &error) < 0) + return catenate_fetch_cleanup(&cfctx, FALSE, error); + + cfctx.fetch_ctx = imap_fetch_init(ctx->cmd, cfctx.box); + if (cfctx.fetch_ctx == NULL) + return catenate_fetch_cleanup(&cfctx, FALSE, + "can't init fetch"); + cfctx.fetch_ctx->search_args = cfctx.search_args; + mail_search_args_ref(cfctx.search_args); + cfctx.fetch_ctx->urlfetch = TRUE; + + if (!fetch_parse_args(cfctx.fetch_ctx, fetch_args, &next_arg)) + return catenate_fetch_cleanup(&cfctx, FALSE, + "can't parse fetch args"); + + if (imap_fetch_begin(cfctx.fetch_ctx) != 0) + return catenate_fetch_cleanup(&cfctx, FALSE, + "can't begin fetch"); + + /* fix the plumbing: imap_fetch_more() writes to + client->output, so set that to the pipe to mailbox_save()'s + input */ + cfctx.client_output = ctx->client->output; + ctx->client->output = ctx->cat.output; + + fetch_ret = 0; + flush_ret = 0; + error = NULL; + header = TRUE; + toobig = FALSE; + do { + if (fetch_ret == 0) + fetch_ret = imap_fetch_more(cfctx.fetch_ctx); + else + flush_ret = o_stream_flush(ctx->client->output); + while ((ret = i_stream_read(ctx->input)) != 0 && ret != -1) { + /* parse the header line that imap_fetch produces */ + if (header) { + char *line = i_stream_next_line(ctx->input); + if (line == NULL) + continue; + header = FALSE; + + size = 0; + line = strchr(line, '{'); + if (line != NULL) + size = strtoul(line + 1, NULL, 10); + ctx->msg_size += size; + if (ctx->msg_size > MAX_CATENATE_MSG_SIZE) { + toobig = TRUE; + ret = -1; + break; + } + } + + /* feed the message data into the new message */ + if (mailbox_save_continue(ctx->save_ctx) < 0) { + mailbox_save_cancel(&ctx->save_ctx); + ret = -1; + break; + } + } + if (ret == -1) { + if (!toobig) + error = "fetch/save failed"; + break; + } + } while (fetch_ret == 0 || flush_ret == 0); + + return catenate_fetch_cleanup(&cfctx, toobig, error); +} + +static bool catenate_continue_cancel_literal(struct client_command_context *cmd) +{ + struct client *client = cmd->client; + struct cmd_append_context *ctx = cmd->context; + size_t size; + + if (cmd->cancel) + return catenate_finish(ctx, TRUE); + + (void) i_stream_read(ctx->cat.literal_input); + (void) i_stream_get_data(ctx->cat.literal_input, &size); + i_stream_skip(ctx->cat.literal_input, size); + + if (ctx->cat.literal_input->eof || client->input->closed) { + /* finished, but there may be more URL or TEXT nonsync + literals in a continued CATENATE command */ + i_stream_unref(&ctx->cat.literal_input); + ctx->cat.literal_input = NULL; + + if (cmd->client->input->closed || ctx->args != NULL) + return catenate_finish(ctx, TRUE); + + return catenate_finish_literal(cmd, TRUE); + } + + return FALSE; +} + +static bool catenate_cancel(struct cmd_append_context *ctx, bool nonsync) +{ + ctx->failed = TRUE; + + if (!nonsync || ctx->args != NULL) + return catenate_finish(ctx, TRUE); + + /* we have to read this -- and any following -- nonsynced + literals so we don't treat the literal data as commands. */ + i_assert(ctx->cat.literal_input == NULL); + ctx->cat.literal_input = i_stream_create_limit(ctx->client->input, + ctx->cat.literal_size); + + ctx->message_input = TRUE; + ctx->cmd->func = catenate_continue_cancel_literal; + ctx->cmd->context = ctx; + return catenate_continue_cancel_literal(ctx->cmd); +} + +static bool catenate_finish(struct cmd_append_context *ctx, bool cancel) +{ + if (!cancel) { + /* close the pipe and save any lingering output, which also + crucially passes EOF down through the mailbox_save stack */ + o_stream_close(ctx->cat.output); + if (mailbox_save_continue(ctx->save_ctx) < 0 || + mailbox_save_finish(&ctx->save_ctx) < 0) { + ctx->failed = TRUE; + client_send_storage_error(ctx->cmd, ctx->storage); + cancel = TRUE; + } else { + ctx->save_ctx = NULL; + ++ctx->count; + } + + if (ctx->args == NULL) { + // eat CRLF after close of CATENATE list + ctx->cmd->client->input_skip_line = TRUE; + } + } + + if (ctx->cat.output != NULL) + o_stream_unref(&ctx->cat.output); + if (ctx->cat.literal_input != NULL) + i_stream_unref(&ctx->cat.literal_input); + if (ctx->cat.literal_url != NULL) + str_free(&ctx->cat.literal_url); + if (ctx->input != NULL) + i_stream_unref(&ctx->input); + ctx->cat.parts = 0; + + if (ctx->msg_size == 0 || ctx->count == 0) { + if (!ctx->failed) + client_send_tagline(ctx->cmd, + "NO Can't save a zero byte message."); + ctx->failed = TRUE; + cancel = TRUE; + } + + ctx->message_input = FALSE; + if (cancel) { + if (ctx->args != NULL) { + ctx->cmd->func = cmd_append_continue_parsing; + return cmd_append_continue_parsing(ctx->cmd); + } + cmd_append_finish(ctx); + return TRUE; + } else { + if (ctx->args == NULL) + imap_parser_reset(ctx->save_parser); + ctx->cmd->func = cmd_append_continue_parsing; + return cmd_append_continue_parsing(ctx->cmd); + } +} + +static bool catenate_continue_parsing(struct client_command_context *cmd) +{ + struct client *client = cmd->client; + struct cmd_append_context *ctx = cmd->context; + const struct imap_arg *args; + int ret; + bool literal, nonsync; + + if (cmd->cancel) + return catenate_finish(ctx, TRUE); + + if (client->input_skip_line && !client_skip_line(client)) + return FALSE; + ret = imap_parser_read_args(ctx->save_parser, 0, + IMAP_PARSE_FLAG_LITERAL_SIZE, &args); + if (ret == -1) { + if (!ctx->failed) + client_send_command_error(cmd, NULL); + ctx->failed = TRUE; + return catenate_finish(ctx, TRUE); + } + if (ret < 0) + return FALSE; + + // continuing the CATENATE list + i_assert(args->type == IMAP_ARG_LIST); + if (args[1].type != IMAP_ARG_EOL) { + i_assert(ctx->args == NULL); + ctx->args = &args[1]; // MULTIAPPEND + } + args = IMAP_ARG_LIST_ARGS(args); + + if (args->type == IMAP_ARG_EOL) { + /* end of CATENATE list. finish the message and return + to regular MULTIAPPEND processing */ + client->input_skip_line = ctx->args == NULL; + return catenate_finish(ctx, client->input->closed || + ctx->failed); + } + + literal = imap_parser_get_literal_size(ctx->save_parser, + &ctx->cat.literal_size); + client->input_skip_line = !literal; + nonsync = imap_parser_has_nonsync_literal(ctx->save_parser); + return ctx->failed ? catenate_cancel_args(cmd, args, nonsync) : + catenate_process_args(cmd, args, nonsync); +} + +static bool catenate_finish_literal(struct client_command_context *cmd, + bool cancel) +{ + struct cmd_append_context *ctx = cmd->context; + + ctx->message_input = FALSE; + + // continue in the CATENATE list + i_assert(ctx->args == NULL); + imap_parser_reset(ctx->save_parser); + imap_parser_open_list(ctx->save_parser); + + i_assert(!cancel || ctx->failed); + cmd->func = catenate_continue_parsing; + return catenate_continue_parsing(cmd); +} + +static bool catenate_continue_url(struct client_command_context *cmd) +{ + struct client *client = cmd->client; + struct cmd_append_context *ctx = cmd->context; + int ret; + const unsigned char *data; + size_t size; + + if (cmd->cancel) + return catenate_finish(ctx, TRUE); + + if (ctx->cat.literal_input == NULL) { + ctx->cat.literal_input = + i_stream_create_limit(client->input, + ctx->cat.literal_size); + i_assert(ctx->cat.literal_url == NULL); + ctx->cat.literal_url = str_new(cmd->pool, + ctx->cat.literal_size + 1); + ctx->message_input = TRUE; + } + + if (ctx->save_ctx != NULL) { + while (ctx->cat.literal_input->v_offset != + ctx->cat.literal_size) { + ret = i_stream_read(ctx->cat.literal_input); + data = i_stream_get_data(ctx->cat.literal_input, + &size); + buffer_append(ctx->cat.literal_url, data, size); + i_stream_skip(ctx->cat.literal_input, size); + if (ret == -1 || ret == 0) + break; + } + } + + if (ctx->save_ctx == NULL) { + (void) i_stream_read(ctx->cat.literal_input); + (void) i_stream_get_data(ctx->cat.literal_input, &size); + i_stream_skip(ctx->cat.literal_input, size); + } + + if (ctx->cat.literal_input->eof || client->input->closed) { + bool all_written = ctx->cat.literal_input->v_offset == + ctx->cat.literal_size; + + /* finished */ + i_stream_unref(&ctx->cat.literal_input); + ctx->cat.literal_input = NULL; + + if (ctx->save_ctx == NULL) { + /* failed above */ + ctx->failed = TRUE; + } else if (!all_written) { + /* client disconnected before it finished sending the + whole literal. */ + ctx->failed = TRUE; + mailbox_save_cancel(&ctx->save_ctx); + client_disconnect(client, + "EOF while sending URL literal"); + } else if (!catenate_url(ctx, str_c(ctx->cat.literal_url))) + ctx->failed = TRUE; + + str_free(&ctx->cat.literal_url); + ctx->cat.literal_url = NULL; + + if (client->input->closed) + return catenate_finish(ctx, TRUE); + + /* done with this literal, resume the CATENATE list */ + return catenate_finish_literal(cmd, ctx->failed); + } + + return FALSE; +} + +static bool catenate_continue_text(struct client_command_context *cmd) +{ + struct client *client = cmd->client; + struct cmd_append_context *ctx = cmd->context; + int ret; + size_t size; + + if (cmd->cancel) + return catenate_finish(ctx, TRUE); + + if (ctx->cat.literal_input == NULL) { + ctx->cat.literal_input = + i_stream_create_limit(client->input, + ctx->cat.literal_size); + ctx->message_input = TRUE; + } + + if (ctx->save_ctx != NULL) { + off_t send_ret = 1; + int flush_ret = 0; + + do { + if (send_ret > 0) + send_ret = o_stream_send_istream( + ctx->cat.output, + ctx->cat.literal_input); + else + flush_ret = o_stream_flush(ctx->cat.output); + while ((ret = i_stream_read(ctx->input)) != 0 && + ret != -1) { + if (mailbox_save_continue(ctx->save_ctx) < 0) { + mailbox_save_cancel(&ctx->save_ctx); + ret = -1; + break; + } + } + if (ret == -1) + break; + } while (send_ret > 0 || flush_ret == 0); + } + + if (ctx->save_ctx == NULL) { + (void) i_stream_read(ctx->cat.literal_input); + (void) i_stream_get_data(ctx->cat.literal_input, &size); + i_stream_skip(ctx->cat.literal_input, size); + } + + if (ctx->cat.literal_input->eof || client->input->closed) { + bool all_written = ctx->cat.literal_input->v_offset == + ctx->cat.literal_size; + + /* finished */ + i_stream_unref(&ctx->cat.literal_input); + ctx->cat.literal_input = NULL; + + if (ctx->save_ctx == NULL) { + /* failed above */ + client_send_storage_error(cmd, ctx->storage); + ctx->failed = TRUE; + } else if (!all_written) { + /* client disconnected before it finished sending the + whole literal. */ + ctx->failed = TRUE; + mailbox_save_cancel(&ctx->save_ctx); + client_disconnect(client, "EOF while appending"); + } + + if (client->input->closed) + return catenate_finish(ctx, TRUE); + + /* done with this literal, resume the CATENATE list */ + return catenate_finish_literal(cmd, ctx->failed); + } + + return FALSE; +} + +static bool catenate_begin_parsing(struct client_command_context *cmd, + const struct imap_arg *args) +{ + struct client *client = cmd->client; + struct cmd_append_context *ctx = cmd->context; + bool literal, nonsync; + enum mail_flags flags = 0; + struct mail_keywords *keywords = NULL; + time_t internal_date = (time_t) -1; + int ret, timezone_offset = 0; + int fds[2]; + + literal = imap_parser_get_literal_size(ctx->save_parser, + &ctx->cat.literal_size); + client->input_skip_line = !literal; + nonsync = imap_parser_has_nonsync_literal(ctx->save_parser); + + if (ctx->failed) + return catenate_cancel(ctx, nonsync); + + /* [<flags>] */ + if (args->type == IMAP_ARG_LIST) { + const struct imap_arg *flags_list = IMAP_ARG_LIST_ARGS(args); + const char *const *keywords_list = NULL; + ++args; + + if (!client_parse_mail_flags(cmd, flags_list, + &flags, &keywords_list)) + return catenate_cancel(ctx, nonsync); + if (keywords_list != NULL && + mailbox_keywords_create(ctx->box, keywords_list, + &keywords) < 0) { + client_send_storage_error(cmd, ctx->storage); + return catenate_cancel(ctx, nonsync); + } + } + + /* [<internal date>] */ + if (args->type == IMAP_ARG_STRING) { + const char *str = IMAP_ARG_STR(args); + ++args; + + if (!imap_parse_datetime(str, &internal_date, + &timezone_offset)) { + client_send_tagline(cmd, "BAD Invalid internal date."); + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + return catenate_cancel(ctx, nonsync); + } + + if (internal_date != (time_t)-1 && + internal_date > ioloop_time + INTERNALDATE_MAX_FUTURE_SECS) { + internal_date = (time_t)-1; + timezone_offset = 0; + } + } + + if (args->type != IMAP_ARG_ATOM || + strcasecmp(args->_data.str, "CATENATE") != 0 || + args[1].type != IMAP_ARG_LIST) { + // do not use client_send_command_error() + client_send_tagline(cmd, "BAD Invalid arguments."); + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + return catenate_cancel(ctx, nonsync); + } + ++args; + + /* MULTIAPPEND syntax on a single line, e.g.: + APPEND <mailbox> CATENATE (URL <url>) CATENATE (... */ + if (args[1].type != IMAP_ARG_EOL) + ctx->args = &args[1]; + + // remainder of CATENATE parsing cares only about the items in the list + args = IMAP_ARG_LIST_ARGS(args); + if (args->type == IMAP_ARG_EOL) { // empty list + client_send_tagline(cmd, "BAD Invalid arguments."); + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + return catenate_cancel(ctx, nonsync); + } + + /* The mailbox_save() API pulls data from an istream, and the + imap_fetch() API pushes data into an ostream. Dovecot does + not offer an ostream which feeds an istream, so use a UNIX + pipe. That's not the most efficient way to move the data + around, but dovecot's ostreams and istreams are sufficiently + complex (read: under-documented) that it's easier to use a + pipe than to write an ostream-to-istream module. Somebody + call a plumber. */ + if (pipe(fds) < 0) { + i_error("catenate_begin_parsing: pipe: %m"); + client_send_tagline(cmd, "NO "MAIL_ERRSTR_CRITICAL_MSG); + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + return catenate_cancel(ctx, nonsync); + } + fd_set_nonblock(fds[0], TRUE); + fd_set_nonblock(fds[1], TRUE); + ctx->cat.output = o_stream_create_fd(fds[1], PIPE_MAX, TRUE); + ctx->input = i_stream_create_fd(fds[0], PIPE_MAX, TRUE); + + /* start assembling the message */ + ctx->save_ctx = mailbox_save_alloc(ctx->t); + mailbox_save_set_flags(ctx->save_ctx, flags, keywords); + mailbox_save_set_received_date(ctx->save_ctx, + internal_date, timezone_offset); + ret = mailbox_save_begin(&ctx->save_ctx, ctx->input); + + if (keywords != NULL) + mailbox_keywords_free(ctx->box, &keywords); + + if (ret < 0) { + /* save initialization failed */ + client_send_storage_error(cmd, ctx->storage); + return catenate_cancel(ctx, nonsync); + } + ctx->msg_size = 0; + + return catenate_process_args(cmd, args, nonsync); +} + +static bool catenate_begin_cancel(struct client_command_context *cmd, + const struct imap_arg *args) +{ + struct client *client = cmd->client; + struct cmd_append_context *ctx = cmd->context; + bool literal, nonsync; + + literal = imap_parser_get_literal_size(ctx->save_parser, + &ctx->cat.literal_size); + client->input_skip_line = !literal; + nonsync = imap_parser_has_nonsync_literal(ctx->save_parser); + + /* [<flags>] */ + if (args->type == IMAP_ARG_LIST) + ++args; + + /* [<internal date>] */ + if (args->type == IMAP_ARG_STRING) + ++args; + + if (args->type != IMAP_ARG_ATOM || + strcasecmp(args->_data.str, "CATENATE") != 0 || + args[1].type != IMAP_ARG_LIST) + return catenate_cancel(ctx, nonsync); + ++args; + + /* MULTIAPPEND syntax on a single line, e.g.: + APPEND <mailbox> CATENATE (URL <url>) CATENATE (... */ + if (args[1].type != IMAP_ARG_EOL) + ctx->args = &args[1]; + + // remainder of CATENATE parsing cares only about the items in the list + args = IMAP_ARG_LIST_ARGS(args); + if (args->type == IMAP_ARG_EOL) // empty list + return catenate_cancel(ctx, nonsync); + + return catenate_cancel_args(cmd, args, nonsync); +} + +static bool catenate_process_args(struct client_command_context *cmd, + const struct imap_arg *args, bool nonsync) +{ + struct cmd_append_context *ctx = cmd->context; + + /* [URL <url>] ... [URL <literal>] */ + while (args->type == IMAP_ARG_ATOM && + strcasecmp(args->_data.str, "URL") == 0) { + if (++ctx->cat.parts > MAX_CATENATE_PARTS) { + client_send_tagline(cmd, + "BAD Too many message parts."); + return catenate_cancel(ctx, nonsync); + } + + ++args; + if (args->type == IMAP_ARG_ATOM || + args->type == IMAP_ARG_STRING) { + if (!catenate_url(ctx, args->_data.str)) + return catenate_cancel(ctx, nonsync); + ++args; + } else if (args->type == IMAP_ARG_LITERAL_SIZE || + args->type == IMAP_ARG_LITERAL_SIZE_NONSYNC) { + if (ctx->cat.literal_size > MAX_URL_LITERAL_SIZE) { + client_send_tagline(cmd, + "BAD URL literal too large"); + return catenate_cancel(ctx, nonsync); + } + + catenate_solicit(ctx, nonsync); + cmd->func = catenate_continue_url; + return catenate_continue_url(cmd); + } else { + client_send_tagline(cmd, "BAD Invalid arguments."); + return catenate_cancel(ctx, nonsync); + } + } + + /* [TEXT <literal>] */ + if (args->type == IMAP_ARG_ATOM && + strcasecmp(args->_data.str, "TEXT") == 0 && + (args[1].type == IMAP_ARG_LITERAL_SIZE || + args[1].type == IMAP_ARG_LITERAL_SIZE_NONSYNC)) { + if (++ctx->cat.parts > MAX_CATENATE_PARTS) { + client_send_tagline(cmd, + "BAD Too many message parts."); + return catenate_cancel(ctx, nonsync); + } + + ctx->msg_size += ctx->cat.literal_size; + if (ctx->msg_size > MAX_CATENATE_MSG_SIZE) { + client_send_tagline(cmd, + "NO [TOOBIG] Resulting message too large"); + return catenate_cancel(ctx, nonsync); + } + + catenate_solicit(ctx, nonsync); + cmd->func = catenate_continue_text; + return catenate_continue_text(cmd); + } else if (args->type != IMAP_ARG_EOL) { + client_send_tagline(cmd, "BAD Invalid arguments."); + return catenate_cancel(ctx, nonsync); + } + + return catenate_finish(ctx, FALSE); +} + +static bool catenate_cancel_args(struct client_command_context *cmd, + const struct imap_arg *args, bool nonsync) +{ + struct cmd_append_context *ctx = cmd->context; + + /* [URL <url>] ... [URL <literal>] */ + while (args->type == IMAP_ARG_ATOM && + strcasecmp(args->_data.str, "URL") == 0) { + ++args; + if (args->type == IMAP_ARG_ATOM || + args->type == IMAP_ARG_STRING) + ++args; + else if (args->type == IMAP_ARG_LITERAL_SIZE || + args->type == IMAP_ARG_LITERAL_SIZE_NONSYNC) + return catenate_cancel(ctx, nonsync); + } + + /* [TEXT <literal>] */ + if (args->type == IMAP_ARG_ATOM && + strcasecmp(args->_data.str, "TEXT") == 0 && + (args[1].type == IMAP_ARG_LITERAL_SIZE || + args[1].type == IMAP_ARG_LITERAL_SIZE_NONSYNC)) + return catenate_cancel(ctx, nonsync); + else if (args->type != IMAP_ARG_EOL) + return catenate_cancel(ctx, nonsync); + + return catenate_finish(ctx, TRUE); +} diff -Nur dovecot-1.2.11/src/imap/cmd-delete.c dovecot-1.2.11+lemonade/src/imap/cmd-delete.c --- dovecot-1.2.11/src/imap/cmd-delete.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/cmd-delete.c 2010-04-08 09:59:12.000000000 -0500 @@ -4,6 +4,10 @@ #include "commands.h" #include "mail-namespace.h" +/* APPLE - urlauth */ +void (*hook_delete_mailbox)(struct mail_storage *storage, + const char *mailbox) = NULL; + bool cmd_delete(struct client_command_context *cmd) { struct client *client = cmd->client; @@ -51,6 +55,10 @@ if (mailbox_list_delete_mailbox(list, name) < 0) client_send_list_error(cmd, list); else { + /* APPLE - urlauth */ + if (hook_delete_mailbox) + hook_delete_mailbox(storage, name); + client_send_tagline(cmd, "OK Delete completed."); } return TRUE; diff -Nur dovecot-1.2.11/src/imap/cmd-fetch.c dovecot-1.2.11+lemonade/src/imap/cmd-fetch.c --- dovecot-1.2.11/src/imap/cmd-fetch.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/cmd-fetch.c 2010-04-08 09:59:12.000000000 -0500 @@ -20,7 +20,7 @@ "FLAGS", "INTERNALDATE", "RFC822.SIZE", "ENVELOPE", "BODY", NULL }; -static bool +bool /* APPLE was static - urlauth */ fetch_parse_args(struct imap_fetch_context *ctx, const struct imap_arg *arg, const struct imap_arg **next_arg_r) { diff -Nur dovecot-1.2.11/src/imap/cmd-rename.c dovecot-1.2.11+lemonade/src/imap/cmd-rename.c --- dovecot-1.2.11/src/imap/cmd-rename.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/cmd-rename.c 2010-04-08 09:59:12.000000000 -0500 @@ -52,6 +52,12 @@ if (mailbox_list_rename_mailbox(list, oldname, newname) < 0) client_send_list_error(cmd, list); else { + /* APPLE - urlauth */ + extern void (*hook_delete_mailbox)(struct mail_storage *storage, + const char *mailbox); + if (hook_delete_mailbox) + hook_delete_mailbox(old_storage, oldname); + client_send_tagline(cmd, "OK Rename completed."); } return TRUE; diff -Nur dovecot-1.2.11/src/imap/cmd-select.c dovecot-1.2.11+lemonade/src/imap/cmd-select.c --- dovecot-1.2.11/src/imap/cmd-select.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/cmd-select.c 2010-04-08 09:59:12.000000000 -0500 @@ -10,6 +10,9 @@ #include <stdlib.h> +/* APPLE - urlauth */ +void (*hook_select_send_urlmech)(struct client *client) = NULL; + struct imap_select_context { struct client_command_context *cmd; struct mail_storage *storage; @@ -316,6 +319,10 @@ client->sync_last_full_modseq = status.highest_modseq; } + /* APPLE - urlauth */ + if (hook_select_send_urlmech) + hook_select_send_urlmech(client); + if (ctx->qresync_uid_validity == status.uidvalidity) { if (select_qresync(ctx) < 0) return -1; diff -Nur dovecot-1.2.11/src/imap/commands.c dovecot-1.2.11+lemonade/src/imap/commands.c --- dovecot-1.2.11/src/imap/commands.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/commands.c 2010-04-08 09:59:12.000000000 -0500 @@ -8,8 +8,12 @@ #include <stdlib.h> static const struct command imap4rev1_commands[] = { - { "CAPABILITY", cmd_capability, 0 }, - { "LOGOUT", cmd_logout, COMMAND_FLAG_BREAKS_MAILBOX }, + { "CAPABILITY", cmd_capability, 0 + /* APPLE - urlauth */ + | COMMAND_FLAG_OK_FOR_SUBMIT_USER }, + { "LOGOUT", cmd_logout, COMMAND_FLAG_BREAKS_MAILBOX + /* APPLE - urlauth */ + | COMMAND_FLAG_OK_FOR_SUBMIT_USER }, { "NOOP", cmd_noop, COMMAND_FLAG_BREAKS_SEQS }, { "APPEND", cmd_append, COMMAND_FLAG_BREAKS_SEQS }, @@ -43,7 +47,9 @@ static const struct command imap_ext_commands[] = { { "CANCELUPDATE", cmd_cancelupdate,0 }, { "ENABLE", cmd_enable, 0 }, - { "ID", cmd_id, 0 }, + { "ID", cmd_id, 0 + /* APPLE - urlauth */ + | COMMAND_FLAG_OK_FOR_SUBMIT_USER }, { "IDLE", cmd_idle, COMMAND_FLAG_BREAKS_SEQS | COMMAND_FLAG_REQUIRES_SYNC }, { "NAMESPACE", cmd_namespace, 0 }, diff -Nur dovecot-1.2.11/src/imap/commands.h dovecot-1.2.11+lemonade/src/imap/commands.h --- dovecot-1.2.11/src/imap/commands.h 2010-01-19 05:56:56.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/commands.h 2010-04-08 09:59:12.000000000 -0500 @@ -28,7 +28,10 @@ Dovecot internally returns it for all kinds of commands, but unfortunately RFC 5530 specifies it only for "delete something" operations. */ - COMMAND_FLAG_USE_NONEXISTENT = 0x10 + COMMAND_FLAG_USE_NONEXISTENT = 0x10, + + /* APPLE - urlauth */ + COMMAND_FLAG_OK_FOR_SUBMIT_USER = 0x20 }; struct command { @@ -108,4 +111,10 @@ bool cmd_select_full(struct client_command_context *cmd, bool readonly); bool cmd_subscribe_full(struct client_command_context *cmd, bool subscribe); +/* APPLE fetch_parse_args() was static - urlauth */ +struct imap_fetch_context; +bool fetch_parse_args(struct imap_fetch_context *ctx, + const struct imap_arg *arg, + const struct imap_arg **next_arg_r); + #endif diff -Nur dovecot-1.2.11/src/imap/imap-fetch-body.c dovecot-1.2.11+lemonade/src/imap/imap-fetch-body.c --- dovecot-1.2.11/src/imap/imap-fetch-body.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/imap-fetch-body.c 2010-04-08 09:59:12.000000000 -0500 @@ -113,6 +113,8 @@ else str_append_c(str, ' '); + /* APPLE - urlauth */ + if (!ctx->urlfetch) /* reduce code deltas */ str_append(str, get_body_name(body)); if (size != (uoff_t)-1) diff -Nur dovecot-1.2.11/src/imap/imap-fetch.c dovecot-1.2.11+lemonade/src/imap/imap-fetch.c --- dovecot-1.2.11/src/imap/imap-fetch.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/imap-fetch.c 2010-04-08 09:59:12.000000000 -0500 @@ -449,6 +449,10 @@ break; ctx->cur_mail = ctx->mail; + /* APPLE - urlauth */ + if (ctx->urlfetch) + ctx->urlfetched = TRUE; + else /* reduce code deltas */ str_printfa(ctx->cur_str, "* %u FETCH (", ctx->cur_mail->seq); ctx->first = TRUE; @@ -504,6 +508,9 @@ ctx->line_finished = TRUE; ctx->line_partial = FALSE; + + /* APPLE - urlauth */ + if (!ctx->urlfetch) /* reduce code deltas */ if (o_stream_send(client->output, ")\r\n", 3) < 0) return -1; client->last_output = ioloop_time; @@ -761,6 +768,8 @@ static int fetch_uid(struct imap_fetch_context *ctx, struct mail *mail, void *context ATTR_UNUSED) { + /* APPLE - urlauth */ + if (!ctx->urlfetch) /* reduce code deltas */ str_printfa(ctx->cur_str, "UID %u ", mail->uid); return 1; } diff -Nur dovecot-1.2.11/src/imap/imap-fetch.h dovecot-1.2.11+lemonade/src/imap/imap-fetch.h --- dovecot-1.2.11/src/imap/imap-fetch.h 2009-06-26 23:49:34.000000000 -0500 +++ dovecot-1.2.11+lemonade/src/imap/imap-fetch.h 2010-04-08 09:59:12.000000000 -0500 @@ -73,6 +73,8 @@ unsigned int partial_fetch:1; unsigned int send_vanished:1; unsigned int failed:1; + unsigned int urlfetch:1; /* APPLE - urlauth */ + unsigned int urlfetched:1; /* APPLE - urlauth */ }; void imap_fetch_handlers_register(const struct imap_fetch_handler *handlers, diff -Nur dovecot-1.2.11/src/imap/imap-search-args.c dovecot-1.2.11+lemonade/src/imap/imap-search-args.c --- dovecot-1.2.11/src/imap/imap-search-args.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/imap-search-args.c 2010-04-08 09:59:12.000000000 -0500 @@ -112,7 +112,7 @@ return 0; } -static int +int /* APPLE was static - urlauth */ imap_search_get_uidset_arg(struct client_command_context *cmd, const char *uidset, struct mail_search_args **args_r, const char **error_r) diff -Nur dovecot-1.2.11/src/imap/imap-search-args.h dovecot-1.2.11+lemonade/src/imap/imap-search-args.h --- dovecot-1.2.11/src/imap/imap-search-args.h 2009-02-21 13:17:03.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/imap/imap-search-args.h 2010-04-08 09:59:12.000000000 -0500 @@ -25,4 +25,10 @@ const char *set, bool uid, struct mail_search_args **search_args_r); +/* APPLE was static - urlauth */ +int imap_search_get_uidset_arg(struct client_command_context *cmd, + const char *uidset, + struct mail_search_args **args_r, + const char **error_r); + #endif diff -Nur dovecot-1.2.11/src/lib-imap/Makefile.am dovecot-1.2.11+lemonade/src/lib-imap/Makefile.am --- dovecot-1.2.11/src/lib-imap/Makefile.am 2008-11-15 13:04:59.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/lib-imap/Makefile.am 2010-04-08 09:59:13.000000000 -0500 @@ -15,6 +15,7 @@ imap-parser.c \ imap-quote.c \ imap-seqset.c \ + imap-url.c \ imap-utf7.c \ imap-util.c @@ -29,6 +30,7 @@ imap-resp-code.h \ imap-quote.h \ imap-seqset.h \ + imap-url.h \ imap-utf7.h \ imap-util.h diff -Nur dovecot-1.2.11/src/lib-imap/Makefile.in dovecot-1.2.11+lemonade/src/lib-imap/Makefile.in --- dovecot-1.2.11/src/lib-imap/Makefile.in 2010-03-08 11:31:07.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/lib-imap/Makefile.in 2010-04-08 09:59:13.000000000 -0500 @@ -55,7 +55,8 @@ imap-bodystructure.$(OBJEXT) imap-date.$(OBJEXT) \ imap-envelope.$(OBJEXT) imap-id.$(OBJEXT) imap-match.$(OBJEXT) \ imap-parser.$(OBJEXT) imap-quote.$(OBJEXT) \ - imap-seqset.$(OBJEXT) imap-utf7.$(OBJEXT) imap-util.$(OBJEXT) + imap-seqset.$(OBJEXT) imap-url.$(OBJEXT) imap-utf7.$(OBJEXT) \ + imap-util.$(OBJEXT) libimap_a_OBJECTS = $(am_libimap_a_OBJECTS) DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) depcomp = $(SHELL) $(top_srcdir)/depcomp @@ -75,11 +76,11 @@ am__noinst_HEADERS_DIST = imap-base-subject.h imap-bodystructure.h \ imap-date.h imap-envelope.h imap-id.h imap-match.h \ imap-parser.h imap-resp-code.h imap-quote.h imap-seqset.h \ - imap-utf7.h imap-util.h + imap-url.h imap-utf7.h imap-util.h am__pkginc_lib_HEADERS_DIST = imap-base-subject.h imap-bodystructure.h \ imap-date.h imap-envelope.h imap-id.h imap-match.h \ imap-parser.h imap-resp-code.h imap-quote.h imap-seqset.h \ - imap-utf7.h imap-util.h + imap-url.h imap-utf7.h imap-util.h am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; am__vpath_adj = case $$p in \ $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ @@ -275,6 +276,7 @@ imap-parser.c \ imap-quote.c \ imap-seqset.c \ + imap-url.c \ imap-utf7.c \ imap-util.c @@ -289,6 +291,7 @@ imap-resp-code.h \ imap-quote.h \ imap-seqset.h \ + imap-url.h \ imap-utf7.h \ imap-util.h @@ -352,6 +355,7 @@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imap-parser.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imap-quote.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imap-seqset.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imap-url.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imap-utf7.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/imap-util.Po@am__quote@ diff -Nur dovecot-1.2.11/src/lib-imap/imap-parser.c dovecot-1.2.11+lemonade/src/lib-imap/imap-parser.c --- dovecot-1.2.11/src/lib-imap/imap-parser.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/lib-imap/imap-parser.c 2010-04-08 09:59:13.000000000 -0500 @@ -133,7 +133,8 @@ return arg; } -static void imap_parser_open_list(struct imap_parser *parser) +/* APPLE - catenate - was static */ +void imap_parser_open_list(struct imap_parser *parser) { parser->list_arg = imap_arg_create(parser); parser->list_arg->type = IMAP_ARG_LIST; @@ -649,6 +650,37 @@ return TRUE; } +/* APPLE - catenate */ +bool imap_parser_has_nonsync_literal(struct imap_parser *parser) +{ + ARRAY_TYPE(imap_arg_list) *list; + struct imap_arg *args; + unsigned int count; + + list = &parser->root_list; + args = array_get_modifiable(&parser->root_list, &count); + i_assert(count > 1 && args[count-1].type == IMAP_ARG_EOL); + count--; + + while (args[count-1].type != IMAP_ARG_LITERAL_SIZE && + args[count-1].type != IMAP_ARG_LITERAL_SIZE_NONSYNC) { + if (args[count-1].type != IMAP_ARG_LIST) + return FALSE; + + /* maybe the list ends with nonsync literal */ + list = &args[count-1]._data.list; + args = array_get_modifiable(list, &count); + + /* you might think the same assertion above would apply + here, but if a list has IMAP_ARG_LITERAL_SIZE* + there is no IMAP_ARG_EOL after it */ + if (count == 0) + return FALSE; + } + + return args[count-1].type == IMAP_ARG_LITERAL_SIZE_NONSYNC; +} + void imap_parser_read_last_literal(struct imap_parser *parser) { ARRAY_TYPE(imap_arg_list) *list; diff -Nur dovecot-1.2.11/src/lib-imap/imap-parser.h dovecot-1.2.11+lemonade/src/lib-imap/imap-parser.h --- dovecot-1.2.11/src/lib-imap/imap-parser.h 2009-03-30 20:41:03.000000000 -0500 +++ dovecot-1.2.11+lemonade/src/lib-imap/imap-parser.h 2010-04-08 09:59:13.000000000 -0500 @@ -112,6 +112,9 @@ given. */ const char *imap_parser_get_error(struct imap_parser *parser, bool *fatal); +/* APPLE - catenate - was static */ +void imap_parser_open_list(struct imap_parser *parser); + /* Read a number of arguments. This function doesn't call i_stream_read(), you need to do that. Returns number of arguments read (may be less than count in case of EOL), -2 if more data is needed or -1 if error occurred. @@ -130,6 +133,9 @@ literal data when continuing argument parsing. */ void imap_parser_read_last_literal(struct imap_parser *parser); +/* APPLE - catenate */ +bool imap_parser_has_nonsync_literal(struct imap_parser *parser); + /* just like imap_parser_read_args(), but assume \n at end of data in input stream. */ int imap_parser_finish_line(struct imap_parser *parser, unsigned int count, diff -Nur dovecot-1.2.11/src/lib-imap/imap-url.c dovecot-1.2.11+lemonade/src/lib-imap/imap-url.c --- dovecot-1.2.11/src/lib-imap/imap-url.c 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/lib-imap/imap-url.c 2010-04-08 10:20:47.000000000 -0500 @@ -0,0 +1,741 @@ +/* + * Copyright (c) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "lib.h" +#include "str.h" +#include "utc-mktime.h" +#include "imap-utf7.h" +#include "imap-url.h" + +#include <time.h> +#include <ctype.h> + +#define MECH_INTERNAL_ONLY 1 + +#define LOWALPHA "abcdefghijklmnopqrstuvwxyz" /* RFC 1738 */ +#define HIALPHA "ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* RFC 1738 */ +#define ALPHA LOWALPHA""HIALPHA /* RFC 1738 */ +#define DIGIT "0123456789" /* RFC 1738 */ +#define SAFE "$-_.+" /* RFC 1738 */ +#define EXTRA "!*'()," /* RFC 1738 */ +#define UNRESERVED ALPHA""DIGIT""SAFE""EXTRA /* RFC 1738 */ +#define ESCAPE "%" /* RFC 1738 */ +#define UCHAR UNRESERVED""ESCAPE /* RFC 1738 */ +#define ACHAR UCHAR"&=~" /* RFC 2192 */ +#define BCHAR ACHAR":@/" /* RFC 2192 */ +#define HEXDIG DIGIT"ABCDEFabcdef" /* RFC 2234 */ +#define HOST_CHARS ALPHA".:-"DIGIT /* RFC 1738 */ +#define DATETIME_CHARS DIGIT".+-:TZ" /* RFC 3339 */ + +// any CHAR except "(" / ")" / "{" / SP / CTL / "%" / "*" / '"' / "\" / "]" +#define ATOM_CHARS "\ +!#$&'+,-./0123456789:;<=>?@\ +ABCDEFGHIJKLMNOPQRSTUVWXYZ[^_`\ +abcdefghijklmnopqrstuvwxyz|}~" + +// any CHAR except "(" / ")" / "{" / SP / CTL / "%" / "*" / '"' / "\" +#define ASTRING_CHARS ATOM_CHARS"]" + +static char atom_chars_allowed[256]; +static char astring_chars_allowed[256]; +static char quoted_allowed[256]; // any CHAR except '"' / "\" / CR / LF +static char quoted_specials_allowed[256]; // any CHAR except CR / LF +static char host_chars_allowed[256]; +static char url_resp_allowed[256]; +static bool initialized = FALSE; + +// initialize the *_allowed tables once +static void init_allowed(void) +{ + if (!initialized) { + const unsigned char *cp; + int i; + + for (cp = (const unsigned char *) ATOM_CHARS; *cp; cp++) + atom_chars_allowed[*cp & 0xff] = 1; + + for (cp = (const unsigned char *) ASTRING_CHARS; *cp; cp++) + astring_chars_allowed[*cp & 0xff] = 1; + + for (cp = (const unsigned char *) HOST_CHARS; *cp; cp++) + host_chars_allowed[*cp & 0xff] = 1; + + for (i = 0x01; i <= 0x7f; i++) + quoted_specials_allowed[i] = 1; + quoted_specials_allowed['\r'] = 0; + quoted_specials_allowed['\n'] = 0; + memcpy(quoted_allowed, quoted_specials_allowed, + sizeof quoted_allowed); + quoted_allowed['"'] = 0; + quoted_allowed['\\'] = 0; + + for (i = 0x01; i <= 0x09; i++) + url_resp_allowed[i] = 1; + for (i = 0x0b; i <= 0x0c; i++) + url_resp_allowed[i] = 1; + // RFC 4469 erroneously skips 0x5c but that's "\" not "]" + for (i = 0x0e; i <= 0x5c; i++) + url_resp_allowed[i] = 1; + for (i = 0x5e; i <= 0xfe; i++) + url_resp_allowed[i] = 1; + + initialized = TRUE; + } +} + +// URL-decode enc into dec (%XX decoding) +bool url_decode(const char *enc, string_t *dec) +{ + const char *cp; + + for (cp = enc; *cp; cp++) { + if (*cp == '%') { + unsigned int val; + if (cp[1] >= '0' && cp[1] <= '9') + val = cp[1] - '0'; + else if (cp[1] >= 'A' && cp[1] <= 'F') + val = 10 + cp[1] - 'A'; + else if (cp[1] >= 'a' && cp[1] <= 'f') + val = 10 + cp[1] - 'a'; + else + return FALSE; + val *= 16; + if (cp[2] >= '0' && cp[2] <= '9') + val += cp[2] - '0'; + else if (cp[2] >= 'A' && cp[2] <= 'F') + val += 10 + cp[2] - 'A'; + else if (cp[2] >= 'a' && cp[2] <= 'f') + val += 10 + cp[2] - 'a'; + else + return FALSE; + if (val == 0 || val > 0xff) + return FALSE; + str_append_c(dec, val); + cp += 2; + } else + str_append_c(dec, *cp); + } + + return TRUE; +} + +// parse an RFC 2192+4467 URL into its parts +void imap_url_parse(const char *url, struct imap_url_parts *parts) +{ + const char *rump, *p; + size_t s; + + rump = url; + + // "imap://" ... + if (strncasecmp(url, "imap://", 7) == 0) { + url += 7; + + // ... enc-user ... + s = strcspn(url, ";@"); + if (s <= 0) + return; + parts->user = t_strdup_until(url, url + s); + url += s; + + // ... [";AUTH=" ( "*" / enc_auth_type )] ... + if (strncasecmp(url, ";AUTH=", 6) == 0) { + url += 6; + p = strchr(url, '@'); + if (p == NULL) + return; + parts->auth_type = t_strdup_until(url, p); + url = p; + } + + // ... "@" hostport ... + if (*url != '@') + return; + ++url; + p = strchr(url, '/'); + if (p == NULL) + return; + parts->hostport = t_strdup_until(url, p); + url = p; + } + + // ... ["/" enc_mailbox] ... + if (*url == '/' && strncasecmp(url, "/;UID=", 6) != 0) { + ++url; + p = strcasestr(url, ";UIDVALIDITY="); + if (p == NULL) + p = strcasestr(url, "/;UID="); + if (p == NULL) + return; + parts->mailbox = t_strdup_until(url, p); + url = p; + } + + // ... [";UIDVALIDITY=" nz_number] ... + if (strncasecmp(url, ";UIDVALIDITY=", 13) == 0) { + url += 13; + p = strchr(url, '/'); + if (p == NULL) + return; + parts->uidvalidity = t_strdup_until(url, p); + url = p; + } + + // ... ["/;UID=" nz_number] ... + if (strncasecmp(url, "/;UID=", 6) == 0) { + url += 6; + s = strcspn(url, ";/"); + if (s <= 0) + return; + parts->uid = t_strdup_until(url, url + s); + url += s; + } + + // ... ["/;SECTION=" enc_section] ... + if (strncasecmp(url, "/;SECTION=", 10) == 0) { + url += 10; + p = strchr(url, ';'); + if (p == NULL) { + parts->section = t_strdup(url); + return; + } + parts->section = t_strdup_until(url, p); + url = p; + } + + // ... [";EXPIRE=" date-time] ... + if (strncasecmp(url, ";EXPIRE=", 8) == 0) { + url += 8; + p = strchr(url, ';'); + if (p == NULL) + return; + parts->expiration = t_strdup_until(url, p); + // set expiration_time after decoding + url = p; + } + + // ... [";URLAUTH=" access] ... + if (strncasecmp(url, ";URLAUTH=", 9) != 0) + return; + url += 9; + p = strchr(url, ':'); + if (p == NULL) { + parts->access = url; + return; + } + parts->access = t_strdup_until(url, p); + url = p; + + // save rump + parts->rump = t_strdup_until(rump, url); + + // ... [ ":INTERNAL:" 32*HEXDIG ] + if (strncasecmp(url, ":INTERNAL:", 10) != 0) + return; + parts->mechanism = "INTERNAL"; + url += 10; + parts->urlauth = url; +} + +// parse an RFC 3339 date-time into a time_t, or return 0 +static time_t imap_url_date_time_parse(const char *s) +{ + struct tm tm; + time_t t; + + memset(&tm, 0, sizeof tm); + + /* YYYY- */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || + !i_isdigit(s[2]) || !i_isdigit(s[3]) || s[4] != '-') + return 0; + tm.tm_year = (((s[0] - '0') * 10 + s[1] - '0') * 10 + + s[2] - '0') * 10 + s[3] - '0' - 1900; + s += 5; + + /* MM- */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || s[2] != '-') + return 0; + tm.tm_mon = (s[0] - '0') * 10 + s[1] - '0'; + if (tm.tm_mon < 1 || tm.tm_mon > 12) + return 0; + --tm.tm_mon; /* 0-11 not 1-12 */ + s += 3; + + /* DDT */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || i_toupper(s[2]) != 'T') + return 0; + tm.tm_mday = (s[0] - '0') * 10 + s[1] - '0'; + s += 3; + + /* HH: */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || s[2] != ':') + return 0; + tm.tm_hour = (s[0] - '0') * 10 + s[1] - '0'; + s += 3; + + /* MM: */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || s[2] != ':') + return 0; + tm.tm_min = (s[0] - '0') * 10 + s[1] - '0'; + s += 3; + + /* SS */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1])) + return 0; + tm.tm_sec = (s[0] - '0') * 10 + s[1] - '0'; + s += 2; + + /* skip optional fractional seconds */ + if (*s == '.') { + do + ++s; + while (i_isdigit(*s)); + } + + if (i_toupper(s[0]) == 'Z' && s[1] == '\0') + tm.tm_gmtoff = 0; + else if (s[0] == '+' || s[0] == '-') { + char tzsign = *s++; + + /* HH: */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || s[2] != ':') + return 0; + tm.tm_gmtoff = ((s[0] - '0') * 10 + s[1] - '0') * 3600; + s += 3; + + /* MM */ + if (!i_isdigit(s[0]) || !i_isdigit(s[1]) || s[2] != '\0') + return 0; + tm.tm_gmtoff += ((s[0] - '0') * 10 + s[1] - '0') * 60; + + if (tzsign == '-') + tm.tm_gmtoff = -tm.tm_gmtoff; + } else + return 0; + + t = utc_mktime(&tm); + if (t < 0) + return 0; + return t - tm.tm_gmtoff; +} + +// decode the parts of a URL +bool imap_url_decode(const struct imap_url_parts *enc_parts, + struct imap_url_parts *dec_parts, + const char **error) +{ + string_t *str = t_str_new(256); + +#define URL_DECODE(field, name) \ + if (enc_parts->field != NULL) { \ + if (url_decode(enc_parts->field, str)) \ + dec_parts->field = t_strdup(str_c(str)); \ + else { \ + *error = "invalid " name; \ + str_free(&str); \ + return FALSE; \ + } \ + } \ + str_truncate(str, 0); + + URL_DECODE(user, "user ID"); + URL_DECODE(auth_type, "auth type"); + URL_DECODE(hostport, "server"); + URL_DECODE(mailbox, "mailbox"); + URL_DECODE(uidvalidity, "uidvalidity"); + URL_DECODE(uid, "uid"); + URL_DECODE(section, "section"); + URL_DECODE(expiration, "expiration"); + URL_DECODE(access, "access ID"); + URL_DECODE(mechanism, "mechanism"); + URL_DECODE(urlauth, "urlauth token"); + // do not set dec_parts->rump + + if (dec_parts->mailbox != NULL) { + if (imap_utf8_to_utf7(dec_parts->mailbox, str) == 0) + dec_parts->mailbox = t_strdup(str_c(str)); + else { + *error = "invalid UTF-8 mailbox"; + str_free(&str); + return FALSE; + } + } + str_truncate(str, 0); + + if (dec_parts->expiration != NULL) + dec_parts->expiration_time = + imap_url_date_time_parse(dec_parts->expiration); + + str_free(&str); + + return TRUE; +} + +// validate conformance to RFC 3501 "atom" +bool imap_url_atom_validate(const char *s) +{ + const unsigned char *cp; + + if (*s == '\0') + return FALSE; + + init_allowed(); + + for (cp = (const unsigned char *) s; *cp; cp++) + if (!atom_chars_allowed[*cp & 0xff]) + return FALSE; + return TRUE; +} + +// validate conformance to RFC 3501 "ASTRING-CHAR" +bool imap_url_astring_chars_validate(const char *s) +{ + const unsigned char *cp; + + init_allowed(); + + for (cp = (const unsigned char *) s; *cp; cp++) + if (!astring_chars_allowed[*cp & 0xff]) + return FALSE; + return TRUE; +} + +// validate conformance to RFC 3501 "quoted" +bool imap_url_quoted_validate(const char *s) +{ + const unsigned char *cp; + + if (*s != '"') + return FALSE; + + init_allowed(); + + for (cp = (unsigned char *) s + 1; *cp; cp++) { + if (*cp == '\\') { + if (!quoted_specials_allowed[cp[1] & 0xff]) + return FALSE; + ++cp; + } else if (*cp == '"') + return cp[1] == '\0'; + else { + if (!quoted_allowed[*cp & 0xff]) + return FALSE; + } + } + + return FALSE; +} + +// validate conformance to RFC 3501 "literal" +bool imap_url_literal_validate(const char *s) +{ + const unsigned char *cp; + unsigned int length = 0; + + if (*s != '{') + return FALSE; + for (cp = (const unsigned char *) s + 1; *cp && *cp != '}'; cp++) { + if (*cp < '0' || *cp > '9') + return FALSE; + length = length * 10 + *cp - '0'; + } + if (cp == (const unsigned char *) s + 1 || *cp != '}') + return FALSE; + ++cp; + if (*cp == '\r') + ++cp; + if (*cp != '\n') + return FALSE; + if (strlen((const char *) cp + 1) != length) + return FALSE; + return TRUE; +} + +// validate conformance to RFC 3501 "astring" +bool imap_url_astring_validate(const char *s) +{ + return *s != '\0' && + (imap_url_astring_chars_validate(s) || + imap_url_quoted_validate(s) || + imap_url_literal_validate(s)); +} + +// validate conformance to RFC 1738 "hostport" +bool imap_url_hostport_validate(const char *s) +{ + const unsigned char *cp; + + if (*s == '\0') + return FALSE; + + init_allowed(); + + for (cp = (const unsigned char *) s; *cp; cp++) + if (!host_chars_allowed[*cp & 0xff]) + return FALSE; + return TRUE; +} + +// validate conformance to RFC 3501 "mailbox" +bool imap_url_mailbox_validate(const char *s) +{ + const char *qs; + + if (strcasecmp(s, "INBOX") == 0 || imap_url_astring_validate(s)) + return TRUE; + + // RFC 2192 implies quotes around mailboxes containing, e.g., SP + qs = t_strconcat("\"", s, "\"", NULL); + return imap_url_quoted_validate(qs); +} + +// validate conformance to RFC 3501 "nz_number" +bool imap_url_nz_number_validate(const char *s) +{ + if (*s < '1' || *s > '9') + return FALSE; + while (*++s) + if (*s < '0' || *s > '9') + return FALSE; + return TRUE; +} + +// validate conformance to RFC 3501 "section-text" +bool imap_url_section_text_validate(const char *s) +{ + size_t spn; + const char *field; + + if (strcasecmp(s, "HEADER") == 0 || + strcasecmp(s, "TEXT") == 0 || + strcasecmp(s, "MIME") == 0) + return TRUE; + + if (strncasecmp(s, "HEADER.FIELDS", 13) != 0) + return FALSE; + s += 13; + + if (strncasecmp(s, ".NOT", 4) == 0) + s += 4; + + if (*s != ' ') + return FALSE; + ++s; + + if (*s != '(') + return FALSE; + ++s; + + spn = strcspn(s, " )"); + if (spn <= 0) + return FALSE; + field = t_strdup_until(s, s + spn); + if (!imap_url_astring_validate(field)) + return FALSE; + s += spn; + + while (*s == ' ') { + ++s; + spn = strcspn(s, " )"); + if (spn <= 0) + return FALSE; + field = t_strdup_until(s, s + spn); + if (!imap_url_astring_validate(field)) + return FALSE; + s += spn; + } + + if (*s != ')') + return FALSE; + ++s; + + return *s == '\0'; +} + +// validate conformance to RFC 2192 "section" +bool imap_url_section_validate(const char *s) +{ + size_t spn; + const char *part; + + if (imap_url_section_text_validate(s)) + return TRUE; + + spn = strspn(s, DIGIT); + if (spn <= 0) + return FALSE; + part = t_strdup_until(s, s + spn); + if (!imap_url_nz_number_validate(part)) + return FALSE; + s += spn; + + while (*s == '.') { + ++s; + spn = strspn(s, DIGIT); + if (spn <= 0) { + --s; + break; + } + part = t_strdup_until(s, s + spn); + if (!imap_url_nz_number_validate(part)) + return FALSE; + s += spn; + } + + if (*s == '.') { + ++s; + return imap_url_section_text_validate(s); + } + + return *s == '\0'; +} + +// validate conformance to RFC 3339 "date-time" +bool imap_url_datetime_validate(const char *s) +{ + return *s != '\0' && strspn(s, DATETIME_CHARS) == strlen(s); +} + +// validate conformance to RFC 4467 "access" +bool imap_url_access_validate(const char *s) +{ + if (strncasecmp(s, "submit+", 7) == 0) + return imap_url_astring_validate(s + 7); + if (strncasecmp(s, "user+", 5) == 0) + return imap_url_astring_validate(s + 5); + return strcasecmp(s, "authuser") == 0 || + strcasecmp(s, "anonymous") == 0; +} + +// validate conformance to RFC 4467 "mechanism" +bool imap_url_mechanism_validate(const char *s) +{ +#if MECH_INTERNAL_ONLY + return strcasecmp(s, "INTERNAL") == 0; +#else + if (strcasecmp(s, "INTERNAL") == 0) + return TRUE; + if (*s == '\0') + return FALSE; + do { + if ((*s < 'A' || *s > 'Z') && + (*s < 'a' || *s > 'z') && + (*s < '0' || *s > '9') && + *s != '-' && *s != '.') + return FALSE; + } while (*++s); + return TRUE; +#endif +} + +// validate conformance to RFC 4467 "urlauth" (really enc-urlauth) +bool imap_url_urlauth_validate(const char *s) +{ + const char *cp; + + for (cp = s; *cp; cp++) { + if ((*cp < '0' || *cp > '9') && + (*cp < 'A' || *cp > 'F') && + (*cp < 'a' || *cp > 'f')) + return FALSE; + } + + return cp - s >= 32; +} + +// convert URL parts into a real URL +void imap_url_construct(const struct imap_url_parts *parts, string_t *url) +{ + str_append(url, "imap://"); + if (parts->user) + str_append(url, parts->user); + if (parts->auth_type) { + str_append(url, ";AUTH="); + str_append(url, parts->auth_type); + } + if (parts->hostport) { + str_append_c(url, '@'); + str_append(url, parts->hostport); + } + str_append_c(url, '/'); + if (parts->mailbox) + str_append(url, parts->mailbox); + if (parts->uidvalidity) { + str_append(url, ";UIDVALIDITY="); + str_append(url, parts->uidvalidity); + } + if (parts->uid) { + str_append(url, "/;UID="); + str_append(url, parts->uid); + } + if (parts->section) { + str_append(url, "/;SECTION="); + str_append(url, parts->section); + } + if (parts->expiration) { + str_append(url, ";EXPIRE="); + str_append(url, parts->expiration); + } + if (parts->access) { + str_append(url, ";URLAUTH="); + str_append(url, parts->access); + } + if (parts->mechanism) { + str_append_c(url, ':'); + str_append(url, parts->mechanism); + } + if (parts->urlauth) { + str_append_c(url, ':'); + str_append(url, parts->urlauth); + } +} + +// filter a URL according to RFC 4469 url-resp-text +const char *imap_url_sanitize(const char *url) +{ + const char *cp; + string_t *str; + + init_allowed(); + + for (cp = url; *cp && url_resp_allowed[(unsigned char) *cp]; cp++) + ; + if (*cp == '\0') + return url; + + str = t_str_new(strlen(cp) + 1); + str_append_n(str, url, cp - url); + for ( ; *cp; cp++) + str_append_c(str, + url_resp_allowed[(unsigned char) *cp] ? *cp : '?'); + return str_c(str); +} diff -Nur dovecot-1.2.11/src/lib-imap/imap-url.h dovecot-1.2.11+lemonade/src/lib-imap/imap-url.h --- dovecot-1.2.11/src/lib-imap/imap-url.h 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/lib-imap/imap-url.h 2010-03-05 14:14:18.000000000 -0600 @@ -0,0 +1,100 @@ +/* + * Copyright (c) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* APPLE - urlauth, catenate */ + +#ifndef IMAP_URL_H +#define IMAP_URL_H + +struct imap_url_parts { + const char *user; + const char *auth_type; + const char *hostport; + const char *mailbox; + const char *uidvalidity; + const char *uid; + const char *section; + const char *expiration; + time_t expiration_time; + const char *access; + const char *mechanism; + const char *urlauth; + + const char *rump; +}; + +// URL-decode enc into dec (%XX decoding) +bool url_decode(const char *enc, string_t *dec); + +// parse an RFC 2192+4467 URL into its parts +void imap_url_parse(const char *url, struct imap_url_parts *parts); + +// decode the parts of an IMAP URL +bool imap_url_decode(const struct imap_url_parts *enc_parts, + struct imap_url_parts *dec_parts, + const char **error); + +// validate conformance to RFC 3501 "atom" +bool imap_url_atom_validate(const char *s); +// validate conformance to RFC 3501 "ASTRING-CHAR" +bool imap_url_astring_chars_validate(const char *s); +// validate conformance to RFC 3501 "quoted" +bool imap_url_quoted_validate(const char *s); +// validate conformance to RFC 3501 "literal" +bool imap_url_literal_validate(const char *s); +// validate conformance to RFC 3501 "astring" +bool imap_url_astring_validate(const char *s); +// validate conformance to RFC 1738 "hostport" +bool imap_url_hostport_validate(const char *s); +// validate conformance to RFC 3501 "mailbox" +bool imap_url_mailbox_validate(const char *s); +// validate conformance to RFC 3501 "nz_number" +bool imap_url_nz_number_validate(const char *s); +// validate conformance to RFC 3501 "section-text" +bool imap_url_section_text_validate(const char *s); +// validate conformance to RFC 2192 "section" +bool imap_url_section_validate(const char *s); +// validate conformance to RFC 3339 "date-time" +bool imap_url_datetime_validate(const char *s); +// validate conformance to RFC 4467 "access" +bool imap_url_access_validate(const char *s); +// validate conformance to RFC 4467 "mechanism" +bool imap_url_mechanism_validate(const char *s); +// validate conformance to RFC 4467 "urlauth" (really enc-urlauth) +bool imap_url_urlauth_validate(const char *s); + +// build a URL from parts +void imap_url_construct(const struct imap_url_parts *parts, string_t *url); + +// filter a URL according to RFC 4469 url-resp-text +const char *imap_url_sanitize(const char *url); + +#endif diff -Nur dovecot-1.2.11/src/master/auth-process.c dovecot-1.2.11+lemonade/src/master/auth-process.c --- dovecot-1.2.11/src/master/auth-process.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/master/auth-process.c 2010-04-08 09:59:13.000000000 -0500 @@ -470,6 +470,10 @@ env_put(t_strdup_printf("PASSDB_%u_PASS=1", i)); if (ap->master) env_put(t_strdup_printf("PASSDB_%u_MASTER=1", i)); + + /* APPLE - urlauth */ + if (ap->submit) + env_put(t_strdup_printf("PASSDB_%u_SUBMIT=1", i)); } for (au = set->userdbs, i = 1; au != NULL; au = au->next, i++) { env_put(t_strdup_printf("USERDB_%u_DRIVER=%s", i, au->driver)); diff -Nur dovecot-1.2.11/src/master/mail-process.c dovecot-1.2.11+lemonade/src/master/mail-process.c --- dovecot-1.2.11/src/master/mail-process.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/master/mail-process.c 2010-04-08 09:59:13.000000000 -0500 @@ -349,6 +349,13 @@ set->imap_logout_format, NULL)); env_put(t_strconcat("IMAP_ID_SEND=", set->imap_id_send, NULL)); env_put(t_strconcat("IMAP_ID_LOG=", set->imap_id_log, NULL)); + + /* APPLE - urlauth */ + if (set->server && set->server->auths) + env_put(t_strconcat("AUTH_ANONYMOUS_USERNAME=", + set->server->auths->anonymous_username, + NULL)); + env_put(t_strdup_printf("IMAP_IDLE_NOTIFY_INTERVAL=%u", set->imap_idle_notify_interval)); } @@ -636,7 +643,9 @@ uid = (uid_t)strtoul(*args + 4, NULL, 10); } else if (strncmp(*args, "gid=", 4) == 0) { gid = (gid_t)strtoul(*args + 4, NULL, 10); - } else if (strncmp(*args, "master_user=", 12) == 0) { + } else if (strncmp(*args, "master_user=", 12) == 0 || + /* APPLE - urlauth */ + strncmp(*args, "submit_user=", 12) == 0) { const char *arg = *args; master_user = arg + 12; diff -Nur dovecot-1.2.11/src/master/master-settings.c dovecot-1.2.11+lemonade/src/master/master-settings.c --- dovecot-1.2.11/src/master/master-settings.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/master/master-settings.c 2010-04-08 09:59:13.000000000 -0500 @@ -134,6 +134,7 @@ DEF_BOOL(deny), DEF_BOOL(pass), DEF_BOOL(master), + DEF_BOOL(submit), /* APPLE - urlauth */ { 0, NULL, 0 } }; diff -Nur dovecot-1.2.11/src/master/master-settings.h dovecot-1.2.11+lemonade/src/master/master-settings.h --- dovecot-1.2.11/src/master/master-settings.h 2010-01-22 10:46:52.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/master/master-settings.h 2010-04-08 09:59:13.000000000 -0500 @@ -182,6 +182,7 @@ bool deny; bool pass; bool master; + bool submit; /* APPLE - urlauth */ }; struct auth_userdb_settings { diff -Nur dovecot-1.2.11/src/plugins/Makefile.am dovecot-1.2.11+lemonade/src/plugins/Makefile.am --- dovecot-1.2.11/src/plugins/Makefile.am 2010-01-24 17:03:13.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/Makefile.am 2010-04-08 09:59:13.000000000 -0500 @@ -25,6 +25,7 @@ quota \ imap-quota \ trash \ + urlauth \ virtual \ $(ZLIB) \ $(FTS_LUCENE) \ diff -Nur dovecot-1.2.11/src/plugins/Makefile.in dovecot-1.2.11+lemonade/src/plugins/Makefile.in --- dovecot-1.2.11/src/plugins/Makefile.in 2010-03-08 11:31:10.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/Makefile.in 2010-04-08 09:59:13.000000000 -0500 @@ -61,7 +61,7 @@ CTAGS = ctags DIST_SUBDIRS = acl imap-acl autocreate convert expire fts fts-squat \ lazy-expunge listescape mail-log mbox-snarf quota imap-quota \ - trash virtual zlib fts-lucene fts-solr + trash urlauth virtual zlib fts-lucene fts-solr DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) am__relativize = \ dir0=`pwd`; \ @@ -259,6 +259,7 @@ quota \ imap-quota \ trash \ + urlauth \ virtual \ $(ZLIB) \ $(FTS_LUCENE) \ diff -Nur dovecot-1.2.11/src/plugins/acl/acl-mailbox-list.c dovecot-1.2.11+lemonade/src/plugins/acl/acl-mailbox-list.c --- dovecot-1.2.11/src/plugins/acl/acl-mailbox-list.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/acl/acl-mailbox-list.c 2010-04-08 09:59:13.000000000 -0500 @@ -537,6 +537,11 @@ owner_username = list->ns->user->username; current_username = auser->master_user; + + /* APPLE - urlauth */ + if (current_username == NULL) + current_username = auser->submit_user; + if (current_username == NULL) current_username = owner_username; else diff -Nur dovecot-1.2.11/src/plugins/acl/acl-plugin.h dovecot-1.2.11+lemonade/src/plugins/acl/acl-plugin.h --- dovecot-1.2.11/src/plugins/acl/acl-plugin.h 2008-11-16 11:08:55.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/acl/acl-plugin.h 2010-04-08 09:59:13.000000000 -0500 @@ -14,6 +14,7 @@ union mail_user_module_context module_ctx; const char *master_user; + const char *submit_user; /* APPLE - urlauth */ const char *acl_env; const char *const *groups; diff -Nur dovecot-1.2.11/src/plugins/acl/acl-storage.c dovecot-1.2.11+lemonade/src/plugins/acl/acl-storage.c --- dovecot-1.2.11/src/plugins/acl/acl-storage.c 2010-01-24 17:14:17.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/acl/acl-storage.c 2010-04-08 09:59:13.000000000 -0500 @@ -244,6 +244,7 @@ auser->acl_env = getenv("ACL"); i_assert(auser->acl_env != NULL); auser->master_user = getenv("MASTER_USER"); + auser->submit_user = getenv("SUBMIT_USER"); /* APPLE - urlauth */ env = getenv("ACL_GROUPS"); if (env != NULL) { diff -Nur dovecot-1.2.11/src/plugins/urlauth/Makefile.am dovecot-1.2.11+lemonade/src/plugins/urlauth/Makefile.am --- dovecot-1.2.11/src/plugins/urlauth/Makefile.am 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/urlauth/Makefile.am 2010-03-05 14:39:44.000000000 -0600 @@ -0,0 +1,54 @@ +# +# Copyright (c) 2010 Apple Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# 3. Neither the name of Apple Inc. ("Apple") nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, +# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF +# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT +# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# + +AM_CPPFLAGS = \ + -I$(top_srcdir)/src/lib \ + -I$(top_srcdir)/src/lib-imap \ + -I$(top_srcdir)/src/lib-index \ + -I$(top_srcdir)/src/lib-mail \ + -I$(top_srcdir)/src/lib-storage \ + -I$(top_srcdir)/src/imap + +imap_moduledir = $(moduledir)/imap + +lib10_urlauth_plugin_la_LDFLAGS = -module -avoid-version +lib10_urlauth_plugin_la_LIBADD = -lcrypto + +imap_module_LTLIBRARIES = \ + lib10_urlauth_plugin.la + +lib10_urlauth_plugin_la_SOURCES = \ + urlauth-keys.c \ + urlauth-plugin.c \ + urlauth.c + +noinst_HEADERS = \ + urlauth-plugin.h diff -Nur dovecot-1.2.11/src/plugins/urlauth/Makefile.in dovecot-1.2.11+lemonade/src/plugins/urlauth/Makefile.in --- dovecot-1.2.11/src/plugins/urlauth/Makefile.in 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/urlauth/Makefile.in 2010-03-05 14:39:44.000000000 -0600 @@ -0,0 +1,614 @@ +# Makefile.in generated by automake 1.11 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# +# Copyright (c) 2010 Apple Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# 3. Neither the name of Apple Inc. ("Apple") nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, +# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF +# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT +# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : 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Copyright (c) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "lib.h" +#include "istream.h" +#include "ostream.h" +#include "hash.h" +#include "mail-storage-private.h" +#include "hex-binary.h" +#include "randgen.h" +#include "urlauth-plugin.h" + +#include <ctype.h> + +#define URLAUTH_KEYS_FILENAME "urlauthkeys" + +enum urlauth_keys_action { + URLAUTH_KEYS_GET, // get the key for a mailbox + URLAUTH_KEYS_SET, // set a new random key for a mailbox + URLAUTH_KEYS_DELETE // delete the key for a mailbox +}; + +// get the path to the access keys table +static const char *urlauth_keys_path(struct mail_storage *storage) +{ + const char *control_dir = + mail_storage_get_mailbox_control_dir(storage, ""); + return t_strconcat(control_dir, "/"URLAUTH_KEYS_FILENAME, NULL); + +} + +// read the access keys into the hash table +static struct hash_table *urlauth_keys_read(pool_t pool, int fd) +{ + struct hash_table *keys; + struct istream *is; + const char *line; + + is = i_stream_create_fd(fd, 4096, FALSE); + if (is == NULL) + return NULL; + + keys = hash_table_create(pool, pool, 16, strcase_hash, + (hash_cmp_callback_t *) strcasecmp); + if (keys == NULL) { + i_stream_destroy(&is); + return NULL; + } + + i_stream_set_return_partial_line(is, TRUE); + while ((line = i_stream_read_next_line(is)) != NULL) { + const char *sep; + + if (*line == '\0' || *line == '#') + continue; + + /* future-proofing */ + if (strcmp(line, URLAUTH_KEYS_FILENAME" version 1") == 0) + continue; + + /* key:mailbox, both nonempty */ + sep = strchr(line, ':'); + if (sep == NULL || sep == line || sep[1] == '\0') + continue; + + /* keys[mailbox] = key */ + hash_table_insert(keys, + p_strdup(pool, sep + 1), + p_strdup_until(pool, line, sep)); + } + i_stream_destroy(&is); + + return keys; +} + +// write the access keys to the file +static bool urlauth_keys_write(int fd, struct hash_table *keys) +{ + struct ostream *os; + struct hash_iterate_context *iter; + void *key, *value; + + os = o_stream_create_fd_file(fd, 0, FALSE); + if (os == NULL) + return NULL; + + o_stream_send_str(os, URLAUTH_KEYS_FILENAME" version 1\n"); + iter = hash_table_iterate_init(keys); + while (hash_table_iterate(iter, &key, &value)) { + /* key is the mailbox, value is the access key */ + o_stream_send_str(os, (const char *) value); + o_stream_send(os, ":", 1); + o_stream_send_str(os, (const char *) key); + o_stream_send(os, "\n", 1); + } + hash_table_iterate_deinit(&iter); + o_stream_destroy(&os); + + return TRUE; +} + +// read/modify/write the access keys +static bool urlauth_keys_update(struct mail_storage *storage, + enum urlauth_keys_action action, + const char *mailbox, + buffer_t *out_key) +{ + const char *path; + int flags, fd; + pool_t pool; + struct hash_table *keys; + unsigned char new_key[URLAUTH_KEY_BYTES]; + const char *hex = NULL; + bool modified = FALSE; + + if (strcmp(storage->name, "maildir") != 0) { + i_error("Unsupported URLAUTH backend: %s", storage->name); + return FALSE; + } + + /* open and lock the keys file */ + path = urlauth_keys_path(storage); + flags = O_RDWR | O_EXLOCK; + if (action == URLAUTH_KEYS_GET || action == URLAUTH_KEYS_SET) + flags |= O_CREAT; + fd = open(path, flags, 0644); + if (fd < 0) { + if ((flags & O_CREAT) || errno != ENOENT) + i_error("open(%s) failed: %m", path); + return FALSE; + } + + /* read the keys */ + pool = pool_alloconly_create("urlauth_keys", 1024); + keys = urlauth_keys_read(pool, fd); + if (keys == NULL) { + i_error("error reading %s: %m", path); + pool_unref(&pool); + close(fd); + return FALSE; + } + + /* modify the keys */ + switch (action) { + case URLAUTH_KEYS_GET: + hex = hash_table_lookup(keys, (void *) mailbox); + + /* if hex key is bogus, set a new one */ + if (hex) { + const char *cp; + for (cp = hex; *cp; cp++) + if (!i_isxdigit(*cp)) + break; + if (*cp == '\0') + break; /* good hex */ + } + + /* if not present, set one -- fall through */ + case URLAUTH_KEYS_SET: + random_fill(new_key, sizeof new_key); + hex = binary_to_hex(new_key, sizeof new_key); + if (*mailbox) { + hash_table_insert(keys, (void *) mailbox, + (void *) hex); + modified = TRUE; + } /* else mailbox="" for foiling timing attacks */ + break; + case URLAUTH_KEYS_DELETE: + hex = hash_table_lookup(keys, (void *) mailbox); + if (hex) { + hash_table_remove(keys, (void *) mailbox); + modified = TRUE; + } + break; + } + + if (out_key) + hex_to_binary(hex, out_key); + + /* write the keys */ + if (modified) { + lseek(fd, 0, SEEK_SET); + ftruncate(fd, 0); + urlauth_keys_write(fd, keys); + } + + /* clean up */ + close(fd); + hash_table_destroy(&keys); + pool_unref(&pool); + + return TRUE; +} + +void urlauth_keys_init(void) +{ + random_init(); +} + +void urlauth_keys_deinit(void) +{ + random_deinit(); +} + +// get the access key for a mailbox +bool urlauth_keys_get(struct mail_storage *storage, const char *mailbox, + buffer_t *key) +{ + return urlauth_keys_update(storage, URLAUTH_KEYS_GET, mailbox, key); +} + +// set a new random access key for a mailbox +bool urlauth_keys_set(struct mail_storage *storage, const char *mailbox) +{ + return urlauth_keys_update(storage, URLAUTH_KEYS_SET, mailbox, NULL); +} + +// delete the access key for a mailbox +bool urlauth_keys_delete(struct mail_storage *storage, const char *mailbox) +{ + return urlauth_keys_update(storage, URLAUTH_KEYS_DELETE, mailbox, NULL); +} + +// delete all access keys +bool urlauth_keys_reset(struct mail_storage *storage) +{ + const char *path; + + if (strcmp(storage->name, "maildir") != 0) { + i_error("Unsupported URLAUTH backend: %s", storage->name); + return FALSE; + } + + path = urlauth_keys_path(storage); + if (unlink(path) < 0 && errno != ENOENT && errno != ESTALE) { + i_error("unlink(%s) failed: %m", path); + return FALSE; + } + + return TRUE; +} diff -Nur dovecot-1.2.11/src/plugins/urlauth/urlauth-plugin.c dovecot-1.2.11+lemonade/src/plugins/urlauth/urlauth-plugin.c --- dovecot-1.2.11/src/plugins/urlauth/urlauth-plugin.c 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/urlauth/urlauth-plugin.c 2010-02-05 05:34:46.000000000 -0600 @@ -0,0 +1,620 @@ +/* + * Copyright (c) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* Implements RFC 4467 */ + +#include "lib.h" +#include "str.h" +#include "common.h" +#include "client.h" +#include "hostpid.h" +#include "ioloop.h" +#include "istream.h" +#include "ostream.h" +#include "mail-user.h" +#include "mail-search.h" +#include "imap-fetch.h" +#include "imap-search-args.h" +#include "urlauth-plugin.h" + +#include <stdlib.h> +#include <fcntl.h> +#include <unistd.h> + +/* context for processing nested loops asynchronously: + for (each url in the urlfetch command) + while (the imap fetch is unfinished) + print the info, but non-blocking */ +struct urlfetch_context { + /* pertaining to the urlfetch command as a whole */ + pool_t pool; + struct client_command_context *cmd; + const struct imap_arg *urlfetch_args; + string_t *response; + const char *hostport; + unsigned int debug:1; + unsigned int failed:1; + + /* pertaining to the individual url being processed */ + const char *url; + const char *mailbox; + struct mail_storage *storage; + struct mailbox *box; + struct istream *input; + struct imap_parser *parser; + struct mail_search_args *search_args; + struct imap_fetch_context *fetch_ctx; +}; + +enum urlfetch_status { + URLFETCH_DONE, + URLFETCH_MORE, + URLFETCH_UNFINISHED +}; + +const char *urlauth_plugin_version = PACKAGE_VERSION; + +extern void (*hook_select_send_urlmech)(struct client *client); +extern void (*hook_delete_mailbox)(struct mail_storage *storage, + const char *mailbox); + +// GENURLAUTH command +static bool cmd_genurlauth(struct client_command_context *cmd) +{ + const struct imap_arg *args; + string_t *auth_urls; + const char *hostport; + + /* url mechanism [url mechanism ...] */ + if (!client_read_args(cmd, 0, 0, &args)) + return FALSE; + + auth_urls = t_str_new(256); + + // resolve this each time in case my_hostname changed + hostport = getenv("URLAUTH_HOSTPORT"); + if (hostport == NULL || *hostport == '\0') + hostport = my_hostname; + + while (IMAP_ARG_TYPE_IS_STRING(args[0].type) && + IMAP_ARG_TYPE_IS_STRING(args[1].type)) { + const char *rump = imap_arg_string(&args[0]); + const char *mech = imap_arg_string(&args[1]); + struct imap_url_parts enc_parts, dec_parts; + const char *error = NULL, *mailbox; + struct mail_storage *storage; + buffer_t *key; + + if (strcasecmp(mech, "INTERNAL") != 0) { + client_send_command_error(cmd, + "Unsupported mechanism."); + return TRUE; + } + + memset(&enc_parts, 0, sizeof enc_parts); + memset(&dec_parts, 0, sizeof dec_parts); + imap_url_parse(rump, &enc_parts); + if (!imap_url_decode(&enc_parts, &dec_parts, &error) || + !urlauth_url_validate(&dec_parts, FALSE, &error)) { + if (error) + client_send_command_error(cmd, + t_strconcat("Invalid arguments: ", + error, NULL)); + else + client_send_command_error(cmd, + "Invalid arguments."); + return TRUE; + } + + if (getenv("DEBUG") != NULL) { + string_t *url = t_str_new(strlen(rump) + 1); + imap_url_construct(&enc_parts, url); + if (strcasecmp(rump, str_c(url)) != 0) + i_warning("GENURLAUTH: reconstructed URL (%s) does not match original (%s)", + str_c(url), rump); + } + + // username and servername must match + if (strcmp(dec_parts.user, cmd->client->user->username) != 0 || + strcmp(dec_parts.hostport, hostport) != 0) { + client_send_command_error(cmd, "User/server mismatch."); + return TRUE; + } + + // mailbox must exist + if (!client_verify_mailbox_name(cmd, dec_parts.mailbox, + CLIENT_VERIFY_MAILBOX_SHOULD_EXIST)) + return TRUE; + + // get the access key + mailbox = dec_parts.mailbox; + storage = client_find_storage(cmd, &mailbox); + if (storage == NULL) + return TRUE; + key = buffer_create_static_hard(pool_datastack_create(), + URLAUTH_KEY_BYTES); + if (!urlauth_keys_get(storage, mailbox, key)) { + client_send_tagline(cmd, "NO "MAIL_ERRSTR_CRITICAL_MSG); + return TRUE; + } + + // generate the reply + if (str_len(auth_urls) > 0) + str_append_c(auth_urls, ' '); + str_append_c(auth_urls, '"'); + str_append(auth_urls, rump); + str_append(auth_urls, ":INTERNAL:"); + urlauth_urlauth_generate_internal(rump, key, auth_urls); + str_append_c(auth_urls, '"'); + + args += 2; + } + if (args[0].type == IMAP_ARG_EOL) { + if (str_len(auth_urls) > 0) { + client_send_line(cmd->client, + t_strconcat("* GENURLAUTH ", + str_c(auth_urls), NULL)); + client_send_tagline(cmd, "OK Genurlauth completed."); + } else + client_send_command_error(cmd, "Missing arguments."); + } else if (args[1].type == IMAP_ARG_EOL) + client_send_command_error(cmd, "Missing arguments."); + else + client_send_command_error(cmd, "Invalid arguments."); + + return TRUE; +} + +// initialize context for traversing the urlauth maze +static struct urlfetch_context * +urlfetch_init(struct client_command_context *cmd, const struct imap_arg *args) +{ + struct urlfetch_context *ufctx; + + pool_ref(cmd->pool); + ufctx = p_new(cmd->pool, struct urlfetch_context, 1); + ufctx->pool = cmd->pool; + ufctx->cmd = cmd; + ufctx->urlfetch_args = args; + + ufctx->response = str_new(ufctx->pool, 256); + str_append(ufctx->response, "* URLFETCH"); + + // resolve this each time in case my_hostname changed + ufctx->hostport = getenv("URLAUTH_HOSTPORT"); + if (ufctx->hostport == NULL || *ufctx->hostport == '\0') + ufctx->hostport = my_hostname; + + ufctx->debug = getenv("DEBUG") != NULL; + + return ufctx; +} + +// reset the context for the next url +static enum urlfetch_status urlfetch_reset(struct urlfetch_context *ufctx) +{ + if (ufctx->fetch_ctx != NULL) { + if (!ufctx->fetch_ctx->urlfetched) { + // found no mail with that uid + // HERE - probably should send BAD response instead + if (ufctx->debug) + i_info("URLFETCH: \"%s\" failed: UID not found", + ufctx->url); + i_assert(str_len(ufctx->response) == 0); + str_append_str(ufctx->response, + ufctx->fetch_ctx->cur_str); + str_append(ufctx->response, " NIL"); + } + if (imap_fetch_deinit(ufctx->fetch_ctx) < 0) + ufctx->fetch_ctx->failed = TRUE; + if (ufctx->fetch_ctx->failed) + ufctx->failed = TRUE; + ufctx->fetch_ctx = NULL; + } + if (ufctx->search_args != NULL) + mail_search_args_unref(&ufctx->search_args); + if (ufctx->parser != NULL) + imap_parser_destroy(&ufctx->parser); + if (ufctx->input != NULL) + i_stream_destroy(&ufctx->input); + if (ufctx->box != NULL) + mailbox_close(&ufctx->box); + ufctx->storage = NULL; + ufctx->mailbox = NULL; + ufctx->url = NULL; + + return ufctx->failed ? URLFETCH_DONE : URLFETCH_MORE; +} + +// destroy the context +static void urlfetch_deinit(struct urlfetch_context **_ufctx) +{ + struct urlfetch_context *ufctx = *_ufctx; + *_ufctx = NULL; + + urlfetch_reset(ufctx); + + str_free(&ufctx->response); + pool_unref(&ufctx->pool); +} + +// urlfetch for one url +static int urlfetch_url(struct urlfetch_context *ufctx, const char **error) +{ + struct imap_url_parts enc_parts, dec_parts; + bool authorized = FALSE; + buffer_t *key; + string_t *urlauth, *fetch_text; + struct mailbox_status status; + const struct imap_arg *fetch_args = NULL, *next_arg = NULL; + + memset(&enc_parts, 0, sizeof enc_parts); + memset(&dec_parts, 0, sizeof dec_parts); + imap_url_parse(ufctx->url, &enc_parts); + if (!imap_url_decode(&enc_parts, &dec_parts, error) || + !urlauth_url_validate(&dec_parts, TRUE, error)) + return -1; + if (strcmp(dec_parts.user, ufctx->cmd->client->user->username) != 0 || + strcmp(dec_parts.hostport, ufctx->hostport) != 0) { + *error = "user/server mismatch"; + return -1; + } + + // expired? + if (dec_parts.expiration_time != 0 && + dec_parts.expiration_time < ioloop_time) { + *error = "expired"; + return -1; + } + + // authorized? + if (strcasecmp(dec_parts.access, "anonymous") == 0) { + /* any user */ + authorized = TRUE; + } else if (strcasecmp(dec_parts.access, "authuser") == 0) { + /* any non-anonymous user */ + const char *anonymous = getenv("AUTH_ANONYMOUS_USERNAME"); + authorized = anonymous == NULL || + strcmp(ufctx->cmd->client->user->username, + anonymous) != 0; + } else if (strncasecmp(dec_parts.access, "user+", 5) == 0) { + /* logged-in user */ + authorized = strcmp(dec_parts.access + 5, + ufctx->cmd->client->user->username) == 0; + } else if (strncasecmp(dec_parts.access, "submit+", 7) == 0) { + /* logged-in user via submit-user login */ + authorized = getenv("SUBMIT_USER") != NULL && + strcmp(dec_parts.access + 7, + ufctx->cmd->client->user->username) == 0; + } + if (!authorized) { + *error = "not authorized"; + return -1; + } + + // get the access key + key = buffer_create_static_hard(pool_datastack_create(), + URLAUTH_KEY_BYTES); + ufctx->mailbox = p_strdup(ufctx->pool, dec_parts.mailbox); + ufctx->storage = client_find_storage(ufctx->cmd, &ufctx->mailbox); + if (ufctx->storage == NULL) { + // invent a key to foil timing attacks + ufctx->mailbox = "INBOX"; + ufctx->storage = client_find_storage(ufctx->cmd, + &ufctx->mailbox); + ufctx->mailbox = ""; + } + if (!urlauth_keys_get(ufctx->storage, ufctx->mailbox, key)) { + *error = "can't get mailbox key"; + return -1; + } + + // generate an access token and compare it to the one given + urlauth = t_str_new(strlen(dec_parts.urlauth)); + urlauth_urlauth_generate_internal(enc_parts.rump, key, urlauth); + if (strcasecmp(dec_parts.urlauth, str_c(urlauth)) != 0 || + *ufctx->mailbox == '\0') { + *error = "access token mismatch"; + return -1; + } + + ufctx->box = mailbox_open(&ufctx->storage, ufctx->mailbox, NULL, + MAILBOX_OPEN_READONLY | + MAILBOX_OPEN_KEEP_RECENT); + if (ufctx->box == NULL) { + *error = "can't open mailbox"; + return -1; + } + + // verify uidvalidity + if (mailbox_sync(ufctx->box, + MAILBOX_SYNC_FLAG_FULL_READ | MAILBOX_SYNC_FLAG_FAST, + STATUS_UIDVALIDITY, &status) < 0 || + (dec_parts.uidvalidity != NULL && + strtoul(dec_parts.uidvalidity, NULL, 10) != status.uidvalidity)) { + *error = "uidvalidity mismatch"; + return -1; + } + + /* passed all tests. go get the data as in + UID FETCH dec_parts.uid BODY.PEEK[dec_parts.section] + but with less output syntax */ + fetch_text = str_new(ufctx->pool, + 11 + (dec_parts.section ? + strlen(dec_parts.section) : 0)); + str_append(fetch_text, "BODY.PEEK["); + if (dec_parts.section) + str_append(fetch_text, dec_parts.section); + str_append(fetch_text, "]"); + + ufctx->input = i_stream_create_from_data(str_data(fetch_text), + str_len(fetch_text)); + (void) i_stream_read(ufctx->input); + + ufctx->parser = imap_parser_create(ufctx->input, NULL, (size_t) -1); + if (imap_parser_finish_line(ufctx->parser, 0, 0, &fetch_args) < 0) { + *error = "can't parse fetch string"; + return -1; + } + + ufctx->cmd->uid = TRUE; + if (imap_search_get_uidset_arg(ufctx->cmd, dec_parts.uid, + &ufctx->search_args, error) < 0) + return -1; + + ufctx->fetch_ctx = imap_fetch_init(ufctx->cmd, ufctx->box); + if (ufctx->fetch_ctx == NULL) { + *error = "can't init fetch"; + return -1; + } + ufctx->fetch_ctx->search_args = ufctx->search_args; + mail_search_args_ref(ufctx->search_args); + str_append_str(ufctx->fetch_ctx->cur_str, ufctx->response); + str_truncate(ufctx->response, 0); + ufctx->fetch_ctx->urlfetch = TRUE; + + if (!fetch_parse_args(ufctx->fetch_ctx, fetch_args, &next_arg)) { + *error = "can't parse fetch args"; + return -1; + } + + if (imap_fetch_begin(ufctx->fetch_ctx) != 0) { + *error = "can't begin fetch"; + return -1; + } + + return imap_fetch_more(ufctx->fetch_ctx); +} + +// execute imap fetch for one urlfetch url +static enum urlfetch_status urlfetch_more(struct urlfetch_context *ufctx) +{ + if (ufctx->url == NULL) { + int ret; + const char *error = NULL; + + if (!IMAP_ARG_TYPE_IS_STRING(ufctx->urlfetch_args->type)) + return URLFETCH_DONE; + + ufctx->url = imap_arg_string(ufctx->urlfetch_args); + ++ufctx->urlfetch_args; + + str_printfa(ufctx->response, " \"%s\"", ufctx->url); + ret = urlfetch_url(ufctx, &error); + if (ret < 0) { + if (ufctx->debug) + i_info("URLFETCH: \"%s\" failed: %s", + ufctx->url, + error ? error : "(unspecified)"); + str_append(ufctx->response, " NIL"); + } else if (ret == 0) + return URLFETCH_UNFINISHED; + } else { + if (imap_fetch_more(ufctx->fetch_ctx) == 0) + return URLFETCH_UNFINISHED; + } + + return urlfetch_reset(ufctx); +} + +// finish off an urlfetch command +static int urlfetch_finish(struct urlfetch_context *ufctx) +{ + ufctx->cmd->client->output_squelch = FALSE; + + if (ufctx->failed) { + if (ufctx->cmd->client->output->closed) + client_disconnect(ufctx->cmd->client, "Disconnected"); + else { + const char *error_string; + enum mail_error error; + + error_string = mail_storage_get_last_error( + ufctx->storage, &error); + + /* We never want to reply NO to FETCH requests, + BYE is preferrable (see imap-ml for reasons). */ + client_disconnect_with_error(ufctx->cmd->client, + error_string); + } + } else { + client_send_line(ufctx->cmd->client, str_c(ufctx->response)); + client_send_tagline(ufctx->cmd, "OK Urlfetch completed."); + } + + urlfetch_deinit(&ufctx); + return TRUE; +} + +// client is ready for more output, continue urlfetch where we left off +static bool urlfetch_continue(struct client_command_context *cmd) +{ + struct urlfetch_context *ufctx = cmd->context; + enum urlfetch_status status; + + while ((status = urlfetch_more(ufctx)) == URLFETCH_MORE) + ; + if (status == URLFETCH_UNFINISHED) + return FALSE; + return urlfetch_finish(ufctx); +} + +// URLFETCH command +static bool cmd_urlfetch(struct client_command_context *cmd) +{ + const struct imap_arg *args, *argp; + struct urlfetch_context *ufctx; + enum urlfetch_status status; + + /* url [url ...] */ + if (!client_read_args(cmd, 0, 0, &args)) + return FALSE; + + for (argp = args; argp->type != IMAP_ARG_EOL; argp++) { + if (!IMAP_ARG_TYPE_IS_STRING(argp->type)) { + client_send_command_error(cmd, "Invalid arguments."); + return TRUE; + } + } + if (argp == args) { + client_send_command_error(cmd, "Missing arguments."); + return TRUE; + } + + /* Squelch all errors and output other than the fetched parts; + we are allowed only NIL or "". Dovecot does not cleanly + separate the parsing, execution, and response phases of + command handling, but instead interleaves them. To re-use + the imap-fetch code for urlfetch, output_squelch keeps + dovecot quiet. */ + cmd->client->output_squelch = TRUE; + + ufctx = urlfetch_init(cmd, args); + while ((status = urlfetch_more(ufctx)) == URLFETCH_MORE) + ; + if (status == URLFETCH_UNFINISHED) { + cmd->state = CLIENT_COMMAND_STATE_WAIT_OUTPUT; + cmd->func = urlfetch_continue; + cmd->context = ufctx; + return FALSE; + } + return urlfetch_finish(ufctx); +} + +// RESETKEY command +static bool cmd_resetkey(struct client_command_context *cmd) +{ + const struct imap_arg *args; + const char *mailbox = NULL; + const char *mechanism = NULL; + bool reset_all = FALSE; + struct mail_storage *storage; + + /* [mailbox [mechanism]] */ + if (!client_read_args(cmd, 0, 0, &args)) + return FALSE; + + if (IMAP_ARG_TYPE_IS_STRING(args[0].type)) { + mailbox = imap_arg_string(&args[0]); + + /* mechanism name may be absent, empty, or "INTERNAL" */ + if (IMAP_ARG_TYPE_IS_STRING(args[1].type)) { + mechanism = imap_arg_string(&args[1]); + if (*mechanism != '\0' && + strcasecmp(mechanism, "INTERNAL") != 0) { + client_send_command_error(cmd, + "Unsupported mechanism."); + return TRUE; + } + } + } else { + reset_all = args[0].type == IMAP_ARG_EOL; + mailbox = "INBOX"; + } + + if (!client_verify_mailbox_name(cmd, mailbox, + CLIENT_VERIFY_MAILBOX_SHOULD_EXIST)) + return TRUE; + + storage = client_find_storage(cmd, &mailbox); + if (storage == NULL) + return TRUE; + + if (reset_all) { + if (urlauth_keys_reset(storage)) + client_send_tagline(cmd, "OK All keys removed."); + else + client_send_tagline(cmd, "NO "MAIL_ERRSTR_CRITICAL_MSG); + } else { + if (urlauth_keys_set(storage, mailbox)) + client_send_tagline(cmd, "OK [URLMECH INTERNAL] Key changed."); + else + client_send_tagline(cmd, "NO "MAIL_ERRSTR_CRITICAL_MSG); + } + + return TRUE; +} + +// report urlauth mechanisms +static void urlauth_send_urlmech(struct client *client) +{ + client_send_line(client, + "* OK [URLMECH INTERNAL] Mechanisms supported"); +} + +// a mailbox was deleted (or renamed away) so delete its urlauth key +static void urlauth_delete_mailbox(struct mail_storage *storage, + const char *mailbox) +{ + urlauth_keys_delete(storage, mailbox); +} + +void urlauth_plugin_init(void) +{ + command_register("GENURLAUTH", cmd_genurlauth, 0); + command_register("URLFETCH", cmd_urlfetch, + COMMAND_FLAG_OK_FOR_SUBMIT_USER); + command_register("RESETKEY", cmd_resetkey, 0); + str_append(capability_string, " URLAUTH"); + urlauth_keys_init(); + hook_select_send_urlmech = urlauth_send_urlmech; + hook_delete_mailbox = urlauth_delete_mailbox; +} + +void urlauth_plugin_deinit(void) +{ + command_unregister("GENURLAUTH"); + command_unregister("URLFETCH"); + command_unregister("RESETKEY"); + urlauth_keys_deinit(); + hook_select_send_urlmech = NULL; + hook_delete_mailbox = NULL; +} diff -Nur dovecot-1.2.11/src/plugins/urlauth/urlauth-plugin.h dovecot-1.2.11+lemonade/src/plugins/urlauth/urlauth-plugin.h --- dovecot-1.2.11/src/plugins/urlauth/urlauth-plugin.h 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/urlauth/urlauth-plugin.h 2010-01-19 16:11:13.000000000 -0600 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef URLAUTH_PLUGIN_H +#define URLAUTH_PLUGIN_H + +#include "imap-url.h" +#include "mail-storage.h" + +#define URLAUTH_KEY_BYTES 16 + +void urlauth_plugin_init(void); +void urlauth_plugin_deinit(void); + +void urlauth_keys_init(void); +void urlauth_keys_deinit(void); +bool urlauth_keys_get(struct mail_storage *storage, const char *mailbox, + buffer_t *key); +bool urlauth_keys_set(struct mail_storage *storage, const char *mailbox); +bool urlauth_keys_delete(struct mail_storage *storage, const char *mailbox); +bool urlauth_keys_reset(struct mail_storage *storage); + +bool urlauth_url_validate(const struct imap_url_parts *parts, bool full, + const char **error); + +void urlauth_urlauth_generate_internal(const char *rump, const buffer_t *key, + string_t *urlauth); + +#endif diff -Nur dovecot-1.2.11/src/plugins/urlauth/urlauth.c dovecot-1.2.11+lemonade/src/plugins/urlauth/urlauth.c --- dovecot-1.2.11/src/plugins/urlauth/urlauth.c 1969-12-31 18:00:00.000000000 -0600 +++ dovecot-1.2.11+lemonade/src/plugins/urlauth/urlauth.c 2010-03-05 14:07:34.000000000 -0600 @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "lib.h" +#include "buffer.h" +#include "str.h" +#include "hex-binary.h" +#include "urlauth-plugin.h" + +#include <openssl/hmac.h> + +#define URLAUTH_URLAUTH_INTERNAL_VERSION "d1" /* must be hex */ + +// compute the urlauth token using the INTERNAL mechanism +void urlauth_urlauth_generate_internal(const char *rump, + const buffer_t *key, + string_t *urlauth) +{ + const void *key_data; + size_t key_len = 0; + unsigned char mac[EVP_MAX_MD_SIZE]; + unsigned int mac_len = 0; + + // compute HMAC-SHA1 of rump with key + key_data = buffer_get_data(key, &key_len); + i_assert(key_len > 0); + HMAC(EVP_sha1(), key_data, key_len, (const unsigned char *) rump, + strlen(rump), mac, &mac_len); + + str_append(urlauth, URLAUTH_URLAUTH_INTERNAL_VERSION); + str_append(urlauth, binary_to_hex(mac, mac_len)); +} + +// validate all the parts of the URL +bool urlauth_url_validate(const struct imap_url_parts *parts, bool full, + const char **error) +{ + // user: mandatory; RFC 3501 "userid" + if (parts->user == NULL || + !imap_url_astring_validate(parts->user)) { + *error = "missing or invalid user ID"; + return FALSE; + } + + // auth_type: optional; RFC 3501 "auth-type" + if (parts->auth_type != NULL && + !imap_url_atom_validate(parts->auth_type)) { + *error = "invalid auth type"; + return FALSE; + } + + // hostport: mandatory; RFC 1738 "hostport" + if (parts->hostport == NULL || + !imap_url_hostport_validate(parts->hostport)) { + *error = "missing or invalid server"; + return FALSE; + } + + // mailbox: mandatory; RFC 3501 "mailbox" + if (parts->mailbox == NULL || + !imap_url_mailbox_validate(parts->mailbox)) { + *error = "missing or invalid mailbox"; + return FALSE; + } + + // uidvalidity: optional; RFC 3501 "nz-number" + if (parts->uidvalidity != NULL && + !imap_url_nz_number_validate(parts->uidvalidity)) { + *error = "invalid uidvalidity"; + return FALSE; + } + + // uid: mandatory; RFC 3501 "nz-number" + if (parts->uid == NULL || + !imap_url_nz_number_validate(parts->uid)) { + *error = "missing or invalid uid"; + return FALSE; + } + + // section: optional; RFC 2192 "section" + if (parts->section != NULL && + !imap_url_section_validate(parts->section)) { + *error = "invalid section"; + return FALSE; + } + + // expiration: optional; RFC 3339 "date-time" + if (parts->expiration != NULL && + (!imap_url_datetime_validate(parts->expiration) || + parts->expiration_time == 0)) { + *error = "invalid expiration"; + return FALSE; + } + + // access: mandatory; RFC 4467 "access" + if (parts->access == NULL || + !imap_url_access_validate(parts->access)) { + *error = "missing or invalid access ID"; + return FALSE; + } + + if (full) { + // mechanism: mandatory; RFC 4467 "mechanism" + if (parts->mechanism == NULL || + !imap_url_mechanism_validate(parts->mechanism)) { + *error = "missing or invalid mechanism"; + return FALSE; + } + + // urlauth: mandatory; RFC 4467 "urlauth" + if (parts->urlauth == NULL || + !imap_url_urlauth_validate(parts->urlauth)) { + *error = "missing or invalid access token"; + return FALSE; + } + } else { + // mechanism: absent + if (parts->mechanism != NULL) { + *error = "mechanism present"; + return FALSE; + } + + // urlauth: absent + if (parts->urlauth != NULL) { + *error = "access token present"; + return FALSE; + } + } + + return TRUE; +}

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