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259 commits

Author SHA1 Message Date
Andy Green
90c7e789eb PEER_LIMITS: modernize to sa46 and add notification cb
There are a bunch of sa46-aware lws apis for formatting, etc sa46
in ./include/libwebsockets/lws-network-helper.h
2020-06-02 08:37:10 +01:00
dev31337
4f3e012cdd PEER_LIMITS: make sure to close socketfd on deny 2020-06-02 08:37:10 +01:00
Andy Green
b3131fdfdd cmakelist: Augean Stables refactor
Establish a new distributed CMake architecture with CMake code related to
a source directory moving to be in the subdir in its own CMakeLists.txt.
In particular, there's now one in ./lib which calls through to ones
further down the directory tree like ./lib/plat/xxx, ./lib/roles/xxx etc.

This cuts the main CMakelists.txt from 98KB -> 33KB, about a 66% reduction,
and it's much easier to maintain sub-CMakeLists.txt that are in the same
directory as the sources they manage, and conceal all the details that that
level.

Child CMakelists.txt become responsible for:

 - include_directories() definition (this is not supported by CMake
   directly, it passes it back up via PARENT_SCOPE vars in helper
   macros)

 - Addition child CMakeLists.txt inclusion, for example toplevel ->
   role -> role subdir

 - Source file addition to the build

 - Dependent library path resolution... this is now a private thing
   in the child CMakeLists.txt, it just passes back any adaptations
   to include_directories() and the LIB_LIST without filling the
   parent namespace with the details
2020-05-27 08:40:12 +01:00
Andy Green
cabe021955 esp32: shift to support latest esp-idf
Esp-idf has an improved but still kind of abused cmake-
based build system now.

If we see ESP_PLATFORM coming as a cmake var, we can know we
are being built from inside the esp-idf config system.

Leave the existing esp32 arrangements alone but triggered off
ESP_PLATFORM, adapt to use the cross toolchain file and
various quirks automatically.

In this way you can build lws a part of your project in a
much cleaner way.

Prepare a minimal esp32 test app for use in Sai

Adapt .sai.json to build for esp32
2020-05-27 08:40:12 +01:00
Andy Green
33f8e219eb tls: defer listing of pending tls wsi to be managed by tls read only
https://github.com/warmcat/libwebsockets/issues/1920
2020-05-27 08:40:12 +01:00
Andy Green
2c46d3882f client: reset: detach wsi from buflist pending owner on reset 2020-05-27 08:40:12 +01:00
Andy Green
d7ac7f4deb unix domain: fix path name length
Unlike any other sockaddr variant it turns out when sockaddr_un reports its
sizeof() to connect() or listen(), it is trimmed to the used length of the
sun_path[] member not including any trailing 0x00.

Until now we worked fine, but our actual UDS paths have a large number of
trailing 0x00 (shown as @ in most tools).  Clients and servers can still
interoperate if they both have this broken name.

This patch fixes it to trim the sockaddr_un to the path length so the name
is as you would expect.
2020-05-27 08:40:12 +01:00
Andy Green
36ec353dac client: allow setting overall connect timeout from vh init
Add a member to the vh init struct allowing control of the overall
connection wait introduced in an earlier patch.  Set it to 20s
by default.


The timeout_secs member controls the individual DNS result
connect timeout and is reduced to 5s by default.
2020-05-26 17:05:39 +01:00
Andy Green
c97b68272c connect: enforce timeout for connect async wait
This patch allows client connections to recover from a nonresponsive
(ie, does not complete connect()) peer and continue to try subsequent
DNS results.
2020-05-11 21:21:01 +01:00
Andy Green
9f1d019352 CTest: migrate and deprecate existing selftest scripts
Replace the bash selftest plumbing with CTest.

To use the selftests, build with -DLWS_WITH_MINIMAL_EXAMPLES=1
and `CTEST_OUTPUT_ON_FAILURE=1 make test` or just
`make test`.

To disable tests that require internet access, also give
-DLWS_CTEST_INTERNET_AVAILABLE=0

Remove travis and appveyor scripts on master.

Remove travis and appveyor decals on README.md.
2020-05-11 15:40:13 +01:00
Andy Green
43b83c333b client: allow setting keep warm time
Until now if the generic transaction completes and the connection is idle,
there's a fixed 5s grace period to keep the connection up in case something
else wants it.

This allows setting it in the client creation info struct .keep_warm_secs.
If left at 0, then it maintains the backward-compatible 5s wait.
2020-05-06 09:06:24 +01:00
Andy Green
3d995cf7c5 fds: add sanity checks 2020-05-05 06:34:58 +01:00
Andy Green
d9f793ae12 logs: allow giving log bitfields from cmake to force build or exclusion
By default this doesn't change any existing logging behaviour at all.

But it allows you to define cmake options to force or force-disable the
build of individual log levels using new cmake option bitfields
LWS_LOGGING_BITFIELD_SET and LWS_LOGGING_BITFIELD_CLEAR.

Eg, -DLWS_LOGGING_BITFIELD_SET="(LLL_INFO)" can force INFO log level
built even in release mode.  -DLWS_LOGGING_BITFIELD_CLEAR="(LLL_NOTICE)"
will likewise remove NOTICE logging from the build regardless of
DEBUG or RELEASE mode.
2020-04-22 06:59:01 +01:00
Andy Green
a57e62d502 ctest: fixes-and-changes 2020-04-19 08:43:01 +01:00
Andy Green
dacae3a951 osx: do not connect udp
Unlike linux or windows, blanket rejects sendto() afterwards with EISCONN
2020-04-17 12:39:53 +01:00
Andy Green
a8eebc47a5 smp: helgrind and sai lock fixes 2020-04-15 20:57:56 +01:00
Andy Green
eca75ee14d http: pipelining: fixes from xenial sai 2020-04-15 20:35:13 +01:00
Andy Green
63c8a23776 lws_spawn: windows
Move the unix spawn.c from lib/misc through to lib/plat/unix, and
add an implementation for windows in lib/plat/windows
2020-04-13 19:29:09 +01:00
Jaco Kroon
33c9a6da4c vhost: Fix unused var warning with some SOCKS5
after 6bb116b8d8 the variable p could be
declared without being used.

https://bugs.gentoo.org/716386 refers.

This just fixes that.
2020-04-06 17:40:19 +01:00
Andy Green
5e99b9f3ee h2: take care to retain initial sid 2020-04-06 13:22:01 +01:00
Andy Green
fb3fd499e3 threadpool: allow multiple threadpool tasks to bind to same wsi 2020-04-04 10:47:11 +01:00
Andy Green
e26f83bd83 ss: add support for raw-skt protocol 2020-03-28 16:20:50 +00:00
Andy Green
ee9ab7c1fc fanalyzer: workarounds and fixes
GCC -fanalyzer did find a real issue (unchecked malloc return)
but it mainly reported things that weren't true due to what
was happening outside of the particular compilation unit that
it could see.
2020-03-27 19:16:06 +00:00
Andy Green
be32d0554e mbedtls: attempt to remove dependency on net_sockets.c
The mbedtls openssl wrapper wants to use exports from mbedtls' net_sockets.c,
but this is only supposed to work on *nix and windows.  Typically people
are using mbedtls on RTOS type platforms and to use it, net_sockets.c
needs some hacking.

Try to avoid that situation by porting the two exports we need into the
lws plat code and call from the wrapper.
2020-03-27 13:24:44 +00:00
Andy Green
ed837acda0 lws_set_wsi_user: allow setting to override existing internal allocation 2020-03-18 12:19:51 +00:00
Andy Green
a60cb84c9e captive portal
Implement Captive Portal detection support in lws, with the actual
detection happening in platform code hooked up by lws_system_ops_t.

Add an implementation using Secure Streams as well, if the policy
defines captive_portal_detect streamtype, a SS using that streamtype
is used to probe if it's behind a captive portal.
2020-03-11 12:44:01 +00:00
Andy Green
0648a83ca2 event libs: h1 pipelining needs to manage event lib additional data during handover too 2020-03-10 19:11:15 +00:00
Andy Green
eaab6e28b0 client: unify post tls accept handling 2020-03-07 20:03:58 +00:00
Andy Green
7efe93bb34 fallback: dont check after first ssl accept attempt 2020-03-06 10:18:43 +00:00
Andy Green
1c6735e1a0 mux: disable already optimization
This leads to problems at the moment with sticky mux.requested_POLLOUT
causing writeable to not be sent.

Remove it and always set writeable on parents for now.
2020-03-06 07:55:05 +00:00
Andy Green
765d393f82 clean: reduce some log level 2020-03-05 12:34:07 +00:00
Terry Zhang
eb9c01ae5c ws: make sure we understand frame finished when buflist_out flushed
When lws_write as many bytes as user can until function returns not all sent,
the next user`s lws_write call will write wrong frame to the other end. This
will cause connection be close by the other side.
2020-03-04 12:17:49 +00:00
Andy Green
28ce32af64 client: secure streams
Secure Streams is an optional layer on top of lws that separates policy
like endpoint selection and tls cert validation into a device JSON
policy document.

Code that wants to open a client connection just specifies a streamtype name,
and no longer deals with details like the endpoint, the protocol (!) or anything
else other than payloads and optionally generic metadata; the JSON policy
contains all the details for each streamtype.  h1, h2, ws and mqtt client
connections are supported.

Logical secure streams outlive any particular connection and supports "nailed-up"
connectivity regardless of underlying connection stability.
2020-03-04 12:17:49 +00:00
Sakthi Kannan
9d099ba7be client: MQTT
Adds client support for MQTT QoS0 and QoS1, compatible with AWS IoT

Supports stream binding where independent client connections to the
same endpoint can mux on a single tcp + tls connection with topic
routing managed internally.
2020-03-04 12:17:49 +00:00
Andy Green
30fc8e9caf lws_struct sqlite3
Continue with lws_struct, add sqlite support for one
level of lws_dll2_t lists of structs serialization and
deserialization, plus the matching api-test.
2020-03-04 11:00:04 +00:00
Andy Green
ed04a266ea rtos diet: make raw_file role optional 2020-03-04 11:00:04 +00:00
Andy Green
9adc64114b lws_set_wsi_user: allow setting if protocol pss size zero 2020-03-04 11:00:04 +00:00
Andy Green
a9b00f50ee socks5: add support to raw skt 2020-03-04 11:00:04 +00:00
Andy Green
6bb116b8d8 socks5: cleanup and add test options
Refactor SOCKS5 client support to be gathered into
lib/core-net/socks5-client.c and make that build
contingent on LWS_WITH_SOCKS5.
2020-03-01 08:14:44 +00:00
Andy Green
0dd23d7073 tls restriction: account for pipelining and add test 2020-03-01 08:14:43 +00:00
Andy Green
8a7e0edb7d lws_spawn_piped: break out from cgi
The vfork optimized spawn, stdxxx and terminal handling in the cgi
implementation is quite mature and sophisticated, and useful for
other things unrelated to cgi.  Break it out into its own public
api under LWS_WITH_SPAWN, off by default.

Expand it so the parent wsi is optional, and the role and protocol
bindings for stdxxx pipes can be set.  Allow optional sul timeout
and external lws_dll2 owner for extant children.

Remove inline style from minimal http-server-cgi
2020-02-21 17:32:41 +00:00
sergey radionov
c966aae30a event lib: glib: LWS_WITH_GLIB option fixes 2020-02-21 17:32:41 +00:00
Andy Green
af2f1f9a87 event-lib-glib
Adds support for glib event library.
2020-02-21 17:32:41 +00:00
Andy Green
ac1229f2f7 minimal-http-client-multi: add POST
This adds support for POST in both h1 and h2 queues / stream binding.

The previous queueing tried to keep the "leader" wsi who made the
actual connection around and have it act on the transaction queue
tail if it had done its own thing.

This refactors it so instead, who is the "leader" moves down the
queue and the queued guys inherit the fd, SSL * and queue from the
old leader as they take over.

This lets them operate in their own wsi identity directly and gets
rid of all the "effective wsi" checks, which was applied incompletely
and getting out of hand considering the separate lws_mux checks for
h2 and other muxed protocols alongside it.

This change also allows one wsi at a time to own the transaction for
POST.  --post is added as an option to lws-minimal-http-client-multi
and 6 extra selftests with POST on h1/h2, pipelined or not and
staggered or not are added to the CI.
2020-02-21 17:32:41 +00:00
Andy Green
fddca26be0 windows: handle pipe destroy when no fd associated with pipe wsi
https://github.com/warmcat/libwebsockets/issues/1839
2020-02-21 17:32:41 +00:00
Andy Green
271ca836c8 event lib: update http client multi to work with it and clean destroy flow
Add selectable event lib support to minimal-http-client-multi and
clean up context destroy flow so we can use lws_destroy_context() from
inside the callback to indicate we want to end the event loop, without
using the traditional "interrupted" flag and in a way that works no
matter which event loop backend is being used.
2020-02-04 14:16:18 +00:00
Zevv
b09b416b1d http client: add flag to disable redir follow 2020-02-04 14:16:18 +00:00
Andy Green
270f2f48c8 lws_buflist_aware_read: restrict to incoming ebuf length if non-NULL ebuf.token incoming
(Includes fixes from Yichen Gu)

Currently the incoming ebuf is always replaced to point to either a whole
buflist segment, or up to the (pt_serv_buf - LWS_PRE) length in the pt_serv_buf.

This is called on path for handling http read... some user code reasonably wants to
restrict the read size to what it can handle.

Change the other lws_buflist_aware_read() callers to zero ebuf before calling, and for
those have it keep the current behaviour; but if non-NULL ebuf.token on incoming, as
in http read path case, restrict both reported len of buflist content and the read length
to the incoming ebuf.len so the user code can control what it will get at one time.

Additionally muxed protocol wsi have no choice but to read what was sent to them
since it's HOL-blocking for other streams and its own WINDOW_UPDATEs.  So add an
internal param to lws_buflist_aware_read() forcing read even if buflist content
is available.
2020-01-20 10:02:56 +00:00
Andy Green
6f8b606811 h2: stream binding: do not try to join existing connection until migrated 2020-01-17 18:54:44 +00:00
Andy Green
774240f73b linkit: support build using public sdk
This provides support to build lws using the linkit 7697 public SDK
from here https://docs.labs.mediatek.com/resource/mt7687-mt7697/en/downloads

This toolchain has some challenges, its int32_t / uint32_t are long,
so assumptions about format strings for those being %u / %d / %x all
break.  This fixes all the cases for the features enabled by the
default cmake settings.
2020-01-17 07:45:34 +00:00