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263 Commits

Author SHA1 Message Date
Oswald Buddenhagen
3169c59e10 validate maildirs more strictly 
now that "SyncState *" won't create fake mailboxes any more, we can make
a full validity check again.
 2012-09-01 16:03:35 +02:00
Oswald Buddenhagen
05fd0b9970 split out drv->load() from drv->select() 2012-09-01 16:02:50 +02:00
Oswald Buddenhagen
c741d5ffb5 make creation of trash folder independent from -C option 
the trash is not a box which is synced, but a "byproduct" of
manipulating synced boxes, so it makes no sense to bind it to the same
option.
 2012-07-30 01:21:32 +02:00
Oswald Buddenhagen
7addc3bea8 minor cleanup: use ctx->gen instead of gctx for consistency 2012-07-30 01:21:32 +02:00
Oswald Buddenhagen
424e0e7221 make callbacks return early when canceling 
even after driver->cancel() the store may complete commands successfully.
return early in this case, so we don't attempt to continue syncing.
 2012-07-30 01:21:32 +02:00
Oswald Buddenhagen
ea951a697f fix error paths wrt sync drivers, take 2 
synchronous error codes which are passed through callbacks aren't a
particularly good idea, after all: latest when the callback does stuff
which does not concern the caller, the return code becomes ambiguous.
instead, protect the sync_vars object with a refcount when invoking
driver functions from loops, as the callbacks they call could invalidate
the object and we would have no way of knowing that the loop should be
aborted prematurely. the upcoming async imap driver will also need a
refcount to protect the cancelation marker of the imap socket dispatcher
loop.
 2012-07-30 01:21:32 +02:00
Oswald Buddenhagen
ec8f440383 don't call cancel() repeatedly on a store 
erroring command replies will trickle in even after canceling
 2012-07-30 01:21:32 +02:00
Oswald Buddenhagen
b0bbd23512 replace DRV_STORE_BAD with a separate bad_callback() 
that way we don't have to piggy-back (possibly asynchronous) fatal
errors to particular commands.

internally, the drivers still use synchronous return values as well,
so they don't try to access the invalidated store after calling back.
 2012-07-30 01:21:31 +02:00
Oswald Buddenhagen
6d86e5347e don't access free'd memory in cancel_sync() 
as it happens, the 1st round *may* trash svars - if we get the
cancelation request after the slave store has already died.
 2012-07-29 12:26:38 +02:00
Oswald Buddenhagen
9554026443 make drv->cancel()'s callback have no status code 
this function is not going to actually execute any commands, so it
makes no sense for the callback to have a status code.
 2012-07-29 12:25:24 +02:00
Oswald Buddenhagen
57444e9df9 don't decode aux pointer on DRV_CANCELED 
the aux data was already free()d by the error callback by the time we
get this status code.
 2012-07-22 20:19:20 +02:00
Oswald Buddenhagen
06ccac1fdd always use return value from get_cmd_result() 
once we have callback-based error reporting, this will ensure that we
don't operate on invalidated data structures.
 2012-07-22 17:27:42 +02:00
Oswald Buddenhagen
121ce76e46 make response code parse failure of untagged OK/NO/BYE/BAD non-fatal 
as such, it does not disrupt the data stream
 2012-07-22 17:27:42 +02:00
Oswald Buddenhagen
d2e13f147c de-duplicate code a bit 2012-07-22 17:27:40 +02:00
Oswald Buddenhagen
4d4de6e275 remove redundant use_ssl variables 
just use the presence of an SSL object as an indicator. if something
goes wrong during the ssl handshake or certificate validation, the
socket must be immediately closed anyway.
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
fd229040d8 DRV_SERVER_BAD is and will probably stay unused => trash 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
17dc64b414 after [TRYCREATE], just resend the same command instead of cloning it 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
83efbe327d use return values from correct set in get_cmd_result() 
DRV_OK == RESP_OK, so this worked by accident
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
99cc328f17 do away with the dreaded rcaps hack 
don't pretend that the server has no literal+ for the time of the
first relevant command's synchronous execution. instead, enable the
lower layer to do the processing by telling it for which commands
trashnc ("trash's existence not confirmed") is relevant.
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
1545ed90a0 purge imap_store_t::currentnc vestiges 
we always actually open the mailbox before appending to it, so we
obviously know that it exists - that's why the code was already
commented out. changing this assumption would significantly complicate
matters for little gain, so let's just assume it won't happen.

consequently, also don't set param.create when appending to regular
mailboxes.
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
c66afdc0a8 move setting of ctx->listed outside the drivers 
it's essentially an external state flag
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
7bab2d6d94 de-duplicate error paths 
makes the code more compact. yay for gotos.
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
f6a25b331f check return value from close() after write() 
otherwise we may lose data when quota is exceeded
or nfs is in a bad mood.
 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
61d98c5a1d fix a bunch of warnings 2012-07-07 18:00:47 +02:00
Oswald Buddenhagen
4afd31a457 avoid preprocessor warnings on missing features: #if => #ifdef 2011-03-27 12:06:41 +02:00
Oswald Buddenhagen
cf6a7b4d18 less bizarre code 
we know that there is only one command in progress, so there
is no need to employ tricks to access the last command.
 2011-03-27 11:54:48 +02:00
Oswald Buddenhagen
7e1c16ae02 make cram() sane 
- don't silently fail in release mode (expression with side effects
  inside assert())
- save some redundand strlen()s by not throwing away known lengths
- reorganize the code for legibility
 2011-03-27 11:54:48 +02:00
Oswald Buddenhagen
058d01f179 don't compare find_old_done with find_new_total 
this didn't have any effect as no async drivers currently exist.
 2011-03-27 11:54:48 +02:00
Oswald Buddenhagen
9e10e871fd don't hang if store cannot be opened asynchronously 2011-03-27 11:54:48 +02:00
Oswald Buddenhagen
2c729bf9e6 don't leak SSL objects 2011-03-27 11:54:45 +02:00
Oswald Buddenhagen
296ac0364c add CR after TUID during LF => CRLF conversion 2011-03-27 11:54:02 +02:00
Oswald Buddenhagen
8df1ebaf40 fix (another) out-of-bounds access in CRLF conversion 
if the header contained no CRs but the body (or the post-TUID part of
the header) did, the TUID insertion would add an excess CR, thus
overflowing the buffer by one byte.
 2011-03-27 11:54:02 +02:00
Oswald Buddenhagen
39006d7f24 document some breakage 2010-11-14 17:23:59 +01:00
Oswald Buddenhagen
d637772339 turns out, free(NULL) is just fine ... 2010-11-14 16:44:50 +01:00
Oswald Buddenhagen
e1fa867423 fix UIDNEXT handling 
UIDNEXT *can* be legally zero, so deal with it.

-REFMAIL: 4CA62BA1.4020104@lemma.co.uk
 2010-10-03 14:33:24 +02:00
Oswald Buddenhagen
5ade279839 don't hang after failed start_tls() 
we'd send a LOGOUT command in plain text while the server was already
expecting an encrypted command, which would typically lead to waiting
for more data and thus an indefinite hang.
so close the socket immediately instead of letting the normal shutdown
path take care of it.
inspired by a patch by Steven Flintham.

-REFMAIL: 4C9AB98E.3000400@lemma.co.uk
 2010-10-03 12:37:59 +02:00
Oswald Buddenhagen
70e87eb99e remove useless message 
don't complain about missing greeting response - we already complained
about an unexpected EOF anyway.
 2010-10-03 12:37:59 +02:00
Oswald Buddenhagen
90a38ea810 assert valid file handles 
i've seen error logs of the type
  SSL_write: Bad file descriptor
and i simply can't nail it, so go for some more drastic measures.
 2010-10-03 12:37:59 +02:00
Oswald Buddenhagen
72fd2aafb7 formatting 2010-10-03 12:37:59 +02:00
Oswald Buddenhagen
122e09fe60 beautify error messages 
don't print the error number - we print the error string anyway, so it
adds no value.
add some whitespace to the messages as well.
 2010-10-03 12:37:10 +02:00
Oswald Buddenhagen
db2bbbfef8 fix uninitialized variable read 
this is basically a security fix for nonsensical configurations:
if the specified CertificateFile did not contain any certificates,
we *might* have accepted an arbitrary server certificate.
 2010-04-05 13:06:58 +02:00
Oswald Buddenhagen
516c3bfa99 remove mail addresses from man pages 
apparently, some people don't see the "maintained by" bits, so make them
look harder for explicit contact information (to be found in AUTHORS).
 2010-02-28 22:23:20 +01:00
Oswald Buddenhagen
da39690aec fix compile with SSL on Mac OS X 
patch by Remko Tronçon <remko@el-tramo.be>
BUG: 2126899
 2010-02-07 22:31:11 +01:00
Oswald Buddenhagen
a8b4de463e add -P option to isync wrapper 
not really a backwards compat option, but whatever ...

based on a patch submitted long ago by "nobody".
BUG: 1433532
 2010-02-07 22:31:11 +01:00
Oswald Buddenhagen
4729b1ee23 cvsignore => gitignore 2010-02-07 22:31:10 +01:00
Oswald Buddenhagen
e6a356ffc7 add extra verbose mode which dumps the message contents 
i needed that to debug the line ending issues. maybe it will find other
uses as well ...
 2010-02-06 10:49:57 +01:00
Oswald Buddenhagen
d94dadbaeb fix line ending conversion logic 
imap may very well store messages with LF line endings. only RFC2822
requires CRLF.
consequently, preserve the line endings as much as possible unless the
mailbox format does not support it (this would be the case for unix mbox
- i actually have no idea about maildir).
 2010-02-06 10:49:57 +01:00
Oswald Buddenhagen
09dfddb36b some more error reporting relating malformed messages 2010-02-06 10:49:06 +01:00
Oswald Buddenhagen
ce45692ca5 refactoring. main part is killing struct imap_cmd_cb as such. 
issue_imap_cmd is split into new_imap_cmd and submit_imap_cmd, so the
command can be parametrized after it was instanciated.
 2008-08-31 20:14:59 +00:00
Oswald Buddenhagen
92914b37cc deal with UIDVALIDITY of 0 properly. 
-REF: 20080822094543.GA3528@ugly.local
 2008-08-23 07:54:00 +00:00
Oswald Buddenhagen
0d8bce1675 give the implicitly created imap account config the name of the store. 2008-04-13 09:56:44 +00:00
Oswald Buddenhagen
262999d092 make ssl certificate handling much more useful: 
- system-wide ca certs are auto-loaded
- private certs are accepted even if they are self-signed
 2008-04-13 09:51:27 +00:00
Oswald Buddenhagen
06521da30d - accept unset CertificateFile 
- print the certificate's fingerprint
- make the certificate acceptance prompt much less scary
 2008-04-12 08:58:50 +00:00
Oswald Buddenhagen
89519e343c ignore system flag extensions (\X-...) 2008-04-12 08:13:44 +00:00
Oswald Buddenhagen
474923bc6b compat wrapper: don't crash if neither host nor tunnel are specified. 
fixes:
CCMAIL: 449006@bugs.debian.org
 2008-02-23 14:18:21 +00:00
Oswald Buddenhagen
71fce2a622 quote user name in generated config. 
fixes:
CCMAIL: 456775@bugs.debian.org
 2008-02-23 09:37:38 +00:00
Oswald Buddenhagen
2f62a7f608 don't overlook 2nd and later single-letter options in last argument. 
reported by fedora
-REF: <1197916586.13945.120.camel@localhost.localdomain>
 2008-02-23 09:18:42 +00:00
Oswald Buddenhagen
a365e20660 put pointers to bdb open() into parentheses, so they won't be 
macro-expanded as libc open.
patch by fedora
-REF: <1197916586.13945.120.camel@localhost.localdomain>
 2008-02-23 09:01:51 +00:00
Oswald Buddenhagen
2b37288e8d don't use #ifdef inside htons() arguments - it can be a macro. 
-REF: <lyy7ezyjah.fsf@gfn.org>
CCMAIL: Scott Gifford <sgifford@suspectclass.com>
 2007-09-22 08:45:41 +00:00
Oswald Buddenhagen
42ca262e39 #ifdef __linux__ for the crash handler. it compiles on other platforms, 
but the functionality is bound to linux' /proc structure.
 2007-04-04 16:19:47 +00:00
Oswald Buddenhagen
625f592fb7 fix crash due to uninited var when parsing IMAPServer. Thanks to 
CCMAIL: Antoine Reilles <tonio@NetBSD.org>
REF: <20070118182534.GA22288@arcelot.loria.fr>
 2007-02-10 15:37:46 +00:00
Oswald Buddenhagen
023d3ee577 fix error paths wrt sync drivers 2006-12-09 10:39:30 +00:00
Oswald Buddenhagen
9056504483 handle abnormal program exit during regtest 2006-12-09 10:38:11 +00:00
Oswald Buddenhagen
6800f1636e initialize mvars->t[1] to 1. helps enormously ... :} 2006-12-04 17:47:55 +00:00
Oswald Buddenhagen
e0d72cd5e3 reverse-map <Inbox> to INBOX when encountered during listing. 
usually this will be a no-op (when putting INBOX in Path, people
generally call it INBOX), but better safe than sorry.
 2006-11-18 13:17:13 +00:00
Oswald Buddenhagen
6985da5848 make compat wrapper default to current user for imap login 2006-11-09 17:57:38 +00:00
Oswald Buddenhagen
0e8a8d120d put INBOX in Maildir 2006-11-01 06:19:52 +00:00
Oswald Buddenhagen
2a9b0bd763 don't crash on truncating database. seems to affect only some bdb 
versions (e.g., 4.2).
 2006-10-24 17:37:57 +00:00
Oswald Buddenhagen
9b657a46a0 fix bug in newline conversion causing buffer overflows. 
this leads to segfaults and has some security impact.
 2006-08-10 07:01:02 +00:00
Oswald Buddenhagen
617d1a6e49 memmove for overlapping mem copies. 2006-08-10 06:33:18 +00:00
Oswald Buddenhagen
1b9f8b4c69 glibc seems to be *really* fucked up. 2006-07-31 05:30:46 +00:00
Oswald Buddenhagen
d2463a4cd8 work around glibc bug: printf("%.*s", INT_MAX, s) tries to allocate 2G. 2006-07-29 11:52:54 +00:00
Oswald Buddenhagen
9b7c09e4b6 enable the old account naming scheme to deal with duplicated ip 
addresses.
this is not incompatible - previously, it would just create garbage.
 2006-06-05 11:59:51 +00:00
Oswald Buddenhagen
aea4be19e3 create more descriptive account names, so password prompts look sane. 
the channel names follow the old scheme, though - they are used to
compose sync state file names, and i don't feel like writing a migrator
for this.
 2006-06-05 11:55:23 +00:00
Oswald Buddenhagen
4bf58c3e97 don't crash in imap driver when Host is not specified. 2006-05-28 16:03:52 +00:00
Oswald Buddenhagen
c8275e2aa7 be *slightly* more explicit about which options Tunnel makes 
superfluous.
 2006-05-28 16:02:56 +00:00
Oswald Buddenhagen
dbbab78881 un-document "Host imaps:[...]" syntax and introduce new option UseIMAPS 
instead.
apply ted's patch to support UseIMAPS in conjunction with Tunnel.
document that SSLv2 is No Good (TM).
 2006-05-28 15:43:58 +00:00
Oswald Buddenhagen
67b714ee0e move assigning default port to the place of use 2006-05-28 13:38:14 +00:00
Oswald Buddenhagen
f6f2d2461c add comment 2006-05-27 12:44:13 +00:00
Oswald Buddenhagen
21abb22c98 seen messages are eligible for expiration even if they are recent in the 
mailbox.
 2006-05-27 12:43:03 +00:00
Oswald Buddenhagen
8a748d046d no/empty mailbox name means INBOX 2006-03-21 20:05:48 +00:00
Oswald Buddenhagen
168e5f3282 make the driver model, sync_chans() and sync_boxes() fully async. 
async drivers to follow ...
 2006-03-21 20:03:21 +00:00
Oswald Buddenhagen
bdcc285403 unscrew lf=>crlf conversion and tuid insertion 2006-03-21 17:50:57 +00:00
Oswald Buddenhagen
16eaf903db ok, mismerging and not running the reg-tests is lame. unscrew expunging 
again.
 2006-03-21 17:40:31 +00:00
Oswald Buddenhagen
c7903f8003 don't enter trash loop if not trashing at all. also, move expunge 
message where it belongs. not adding info("trashing"), as it will be
replaced in a moment anyway.
 2006-03-21 16:03:09 +00:00
Oswald Buddenhagen
b5d70aa596 async merge: aggregate most variables of main() & sync_boxes() in 
main_vars_t resp. sync_vars_t.
also some minor var renames, whitespace, comments.
 2006-03-21 15:53:43 +00:00
Oswald Buddenhagen
f90b290650 split box list preparation from "consumption". 2006-03-21 10:38:30 +00:00
Oswald Buddenhagen
72a2d4b690 info() about opening of stores 2006-03-21 10:30:45 +00:00
Oswald Buddenhagen
b7389cb36f do not repeatedly get namespace from server. 2006-03-20 20:39:06 +00:00
Oswald Buddenhagen
340bfcc4a8 handle socket() failure and correctly report gethostbyname() failure. 2006-03-20 20:34:32 +00:00
Oswald Buddenhagen
3e3cf3ac9a update copyrights 2006-03-20 20:16:22 +00:00
Oswald Buddenhagen
7f9ece8e7e move whole responsibility for recycling open stores/server connections 
to the drivers.
 2006-03-20 19:38:20 +00:00
Oswald Buddenhagen
47e592b603 keep the result of driver->list() and a flag whether it is valid in the store. 2006-03-20 19:27:38 +00:00
Oswald Buddenhagen
861dd7468e aggregate all (two ...) drivers in an array instead of naming them in 
each (one ...) location explicitly.
 2006-03-20 18:36:49 +00:00
Oswald Buddenhagen
492ca8d332 whitespace and code verbosity 2006-03-20 17:21:07 +00:00
Oswald Buddenhagen
31fc41a32c merge imap_t into imap_store_t - there is really no point in having them 
separated.
 2006-03-20 15:01:48 +00:00
Oswald Buddenhagen
d7126dca5e "fprintf( stderr," => "error(". new functions debugn() and infon() 
for messages with missing newline; warn() and error() act upon this.
 2006-03-19 11:29:12 +00:00
Oswald Buddenhagen
bb7bbcf5b1 make config parsing more robust against bogus input and report errors 
more clearly.
 2006-03-19 10:44:53 +00:00
Oswald Buddenhagen
fbbb86738b factor out box selection from sync_boxes to avoid code dupe 2006-02-12 11:42:46 +00:00
Oswald Buddenhagen
bc39f10a1e lock the sync state open the journal before opening the master. this is 
a bit ugly for the "SyncState *" case, as we have to create a directory
without making it a maildir right away. however, this makes the code
quite a bit simpler to understand and simpler to parallelize.
 2006-02-11 20:28:45 +00:00