This patch change the names prefixing it by a "_". So "end" becomes "_end".
The backward compatibility with names without the prefix "_" is assured.
In other way, another the keyword "end" can be used like this: Map['end'].
Thanks Robin H. Johnson for the bug repport
This should be backported in version 1.6 and 1.7
crt-list is extend to support ssl configuration. You can now have
such line in crt-list <file>:
mycert.pem [npn h2,http/1.1]
Support include "npn", "alpn", "verify", "ca_file", "crl_file",
"ecdhe", "ciphers" configuration and ssl options.
"crt-base" is also supported to fetch certificates.
[wt: this one is in fact emulated using http-request deny. This
patch can thus be backported to 1.7, 1.6 and 1.5 so that users
of older versions do not add this keyword in their configs]
fc_rcvd_proxy : boolean
Returns true if the client initiated the connection with a PROXY protocol
header.
A flag is added on the struct connection if a PROXY header is successfully
parsed.
The older 'rsprep' directive allows modification of the status reason.
Extend 'http-response set-status' to take an optional string of the new
status reason.
http-response set-status 418 reason "I'm a coffeepot"
Matching updates in Lua code:
- AppletHTTP.set_status
- HTTP.res_set_status
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
It is important to defined analyzers (AN_REQ_* and AN_RES_*) in the same order
they are evaluated in process_stream. This order is really important because
during analyzers evaluation, we run them in the order of the lower bit to the
higher one. This way, when an analyzer adds/removes another one during its
evaluation, we know if it is located before or after it. So, when it adds an
analyzer which is located before it, we can switch to it immediately, even if it
has already been called once but removed since.
With the time, and introduction of new analyzers, this order was broken up. the
main problems come from the filter analyzers. We used values not related with
their evaluation order. Furthermore, we used same values for request and response
analyzers.
So, to fix the bug, filter analyzers have been splitted in 2 distinct lists to
have different analyzers for the request channel than those for the response
channel. And of course, we have moved them to the right place.
Some other analyzers have been reordered to respect the evaluation order:
* AN_REQ_HTTP_TARPIT has been moved just before AN_REQ_SRV_RULES
* AN_REQ_PRST_RDP_COOKIE has been moved just before AN_REQ_STICKING_RULES
* AN_RES_STORE_RULES has been moved just after AN_RES_WAIT_HTTP
Note today we have 29 analyzers, all stored into a 32 bits bitfield. So we can
still add 4 more analyzers before having a problem. A good way to fend off the
problem for a while could be to have a different bitfield for request and
response analyzers.
[wt: all of this must be backported to 1.7, and part of it must be backported
to 1.6 and 1.5]
The parameter "value" of the function TXN.set_var() was not documented.
This is a regression from the commit 85d79c94a9.
This patch must be backported in 1.7
These 2 patches add ability to fetch frontend/backend name in your
logic, so they can be used later to make routing decisions (fe_name) or
taking some actions based on backend which responded to request (be_name).
In our case we needed a fetcher to be able to extract information we
needed from frontend name.
Definitions and examples for 51d.single and 51d.all have been added to
configuration.txt so it now appears in online documentation in addition
to the README, The 51degrees-property-name-list entry has also been
updated to make it clear that multiple properties can be added.
In 1.5-dev20, commit 48bcfda ("MEDIUM: dumpstat: make the CLI parser
understand the backslash as an escape char") introduced support for
backslash on the CLI, but it strips all backslashes in all arguments
instead of only unescaping them, making it impossible to pass a
backslash in an argument.
This will allow us to use a backslash in a command over the socket, eg.
"add acl #0 ABC\\XYZ".
[wt: this should be backported to 1.7 and 1.6]
Released version 1.7.0 with the following main changes :
- SCRIPTS: make publish-release also copy the new SPOE doc
- BUILD: http: include types/sample.h in proto_http.h
- BUILD: debug/flags: remove test for SF_COMP_READY
- CONTRIB: debug/flags: add check for SF_ERR_CHK_PORT
- MINOR: lua: add function which return true if the channel is full.
- MINOR: lua: add ip addresses and network manipulation function
- CONTRIB: tcploop: scriptable TCP I/O for debugging purposes
- CONTRIB: tcploop: implement fork()
- CONTRIB: tcploop: implement logging when called with -v
- CONTRIB: tcploop: update the usage output
- CONTRIB: tcploop: support sending plain strings
- CONTRIB: tcploop: don't report failed send() or recv()
- CONTRIB: tcploop: add basic loops via a jump instruction
- BUG/MEDIUM: channel: bad unlikely macro
- CLEANUP: lua: move comment
- CLEANUP: lua: control executed twice
- BUG/MEDIUM: ssl: Store certificate filename in a variable
- BUG/MINOR: ssl: Print correct filename when error occurs reading OCSP
- CLEANUP: ssl: Remove goto after return dead code
- CLEANUP: ssl: Fix bind keywords name in comments
- DOC: ssl: Use correct wording for ca-sign-pass
- CLEANUP: lua: avoid directly calling getsockname/getpeername()
- BUG/MINOR: stick-table: handle out-of-memory condition gracefully
- MINOR: cli: add private pointer and release function
- MEDIUM: lua: Add cli handler for Lua
- BUG/MEDIUM: connection: check the control layer before stopping polling
- DEBUG: connection: mark the closed FDs with a value that is easier to detect
- BUG/MEDIUM: stick-table: fix regression caused by recent fix for out-of-memory
- BUG/MINOR: cli: properly decrement ref count on tables during failed dumps
- BUG/MEDIUM: lua: In some case, the return of sample-fetche is ignored
- MINOR: filters: Add check_timeouts callback to handle timers expiration on streams
- MINOR: spoe: Add 'timeout processing' option to limit time to process an event
- MINOR: spoe: Remove useless 'timeout ack' option
- MINOR: spoe: Add 'option continue-on-error' statement in spoe-agent section
- MINOR: spoe: Add "maxconnrate" and "maxerrrate" statements
- MINOR: spoe: Add "option set-on-error" statement
- MINOR: stats: correct documentation of process ID for typed output
- BUILD: contrib: fix ip6range build on Centos 7
- BUILD: fix build on Solaris 10/11
- BUG/MINOR: cli: fix pointer size when reporting data/transport layer name
- BUG/MINOR: cli: dequeue from the proxy when changing a maxconn
- BUG/MINOR: cli: wake up the CLI's task after a timeout update
- MINOR: connection: add a few functions to report the data and xprt layers' names
- MINOR: connection: add names for transport and data layers
- REORG: cli: split dumpstats.c in src/cli.c and src/stats.c
- REORG: cli: split dumpstats.h in stats.h and cli.h
- REORG: cli: move ssl CLI functions to ssl_sock.c
- REORG: cli: move map and acl code to map.c
- REORG: cli: move show stat resolvers to dns.c
- MINOR: cli: create new function cli_has_level() to validate permissions
- MINOR: server: create new function cli_find_server() to find a server
- MINOR: proxy: create new function cli_find_frontend() to find a frontend
- REORG: cli: move 'set server' to server.c
- REORG: cli: move 'show pools' to memory.c
- REORG: cli: move 'show servers' to proxy.c
- REORG: cli: move 'show sess' to stream.c
- REORG: cli: move 'show backend' to proxy.c
- REORG: cli: move get/set weight to server.c
- REORG: cli: move "show stat" to stats.c
- REORG: cli: move "show info" to stats.c
- REORG: cli: move dump_text(), dump_text_line(), and dump_binary() to standard.c
- REORG: cli: move table dump/clear/set to stick_table.c
- REORG: cli: move "show errors" out of cli.c
- REORG: cli: make "show env" also use the generic keyword registration
- REORG: cli: move "set timeout" to its own handler
- REORG: cli: move "clear counters" to stats.c
- REORG: cli: move "set maxconn global" to its own handler
- REORG: cli: move "set maxconn server" to server.c
- REORG: cli: move "set maxconn frontend" to proxy.c
- REORG: cli: move "shutdown sessions server" to stream.c
- REORG: cli: move "shutdown session" to stream.c
- REORG: cli: move "shutdown frontend" to proxy.c
- REORG: cli: move "{enable|disable} frontend" to proxy.c
- REORG: cli: move "{enable|disable} server" to server.c
- REORG: cli: move "{enable|disable} health" to server.c
- REORG: cli: move "{enable|disable} agent" to server.c
- REORG: cli: move the "set rate-limit" functions to their own parser
- CLEANUP: cli: rename STAT_CLI_* to CLI_ST_*
- CLEANUP: cli: simplify the request parser a little bit
- CLEANUP: cli: remove assignments to st0 and st2 in keyword parsers
- BUILD: server: remove a build warning introduced by latest series
- BUG/MINOR: log-format: uncatched memory allocation functions
- CLEANUP: log-format: useless file and line in json converter
- CLEANUP/MINOR: log-format: unexport functions parse_logformat_var_args() and parse_logformat_var()
- CLEANUP: log-format: fix return code of the function parse_logformat_var()
- CLEANUP: log-format: fix return code of function parse_logformat_var_args()
- CLEANUP: log-format: remove unused arguments
- MEDIUM: log-format: strict parsing and enable fail
- MEDIUM: log-format/conf: take into account the parse_logformat_string() return code
- BUILD: ssl: make the SSL layer build again with openssl 0.9.8
- BUILD: vars: remove a build warning on vars.c
- MINOR: lua: add utility function for check boolean argument
- MINOR: lua: Add tokenize function.
- BUG/MINOR: conf: calloc untested
- MINOR: http/conf: store the use_backend configuration file and line for logs
- MEDIUM: log-format: Use standard HAProxy log system to report errors
- CLEANUP: sample: report "converter" instead of "conv method" in error messages
- BUG: spoe: Fix parsing of SPOE actions in ACK frames
- MINOR: cli: make "show stat" support a proxy name
- MINOR: cli: make "show errors" support a proxy name
- MINOR: cli: make "show errors" capable of dumping only request or response
- BUG/MINOR: freq-ctr: make swrate_add() support larger values
- CLEANUP: counters: move from 3 types to 2 types
- CLEANUP: cfgparse: cascade the warnif_misplaced_* rules
- REORG: tcp-rules: move tcp rules processing to their own file
- REORG: stkctr: move all the stick counters processing to stick-tables.c
- DOC: update the roadmap file with the latest changes
When dealing with many proxies, it's hard to spot response errors because
all internet-facing frontends constantly receive attacks. This patch now
makes it possible to demand that only request or response errors are dumped
by appending "request" or "reponse" to the show errors command.
For tokenizing a string, standard Lua recommends to use regexes.
The followinf example splits words:
for i in string.gmatch(example, "%S+") do
print(i)
end
This is a little bit overkill for simply split words. This patch
adds a tokenize function which quick and do not use regexes.
It defines the variable to set when an error occurred during an event
processing. It will only be set when an error occurred in the scope of the
transaction. As for all other variables define by the SPOE, it will be
prefixed. So, if your variable name is "error" and your prefix is "my_spoe_pfx",
the variable will be "txn.my_spoe_pfx.error".
When set, the variable is the boolean "true". Note that if "option
continue-on-error" is set, the variable is not automatically removed between
events processing.
"maxconnrate" is the maximum number of connections per second. The SPOE will
stop to open new connections if the maximum is reached and will wait to acquire
an existing one.
"maxerrrate" is the maximum number of errors per second. The SPOE will stop its
processing if the maximum is reached.
These options replace hardcoded macros MAX_NEW_SPOE_APPLETS and
MAX_NEW_SPOE_APPLET_ERRS. We use it to limit SPOE activity, especially when
servers are down..
By default, for a specific stream, when an abnormal/unexpected error occurs, the
SPOE is disabled for all the transaction. So if you have several events
configured, such error on an event will disabled all followings. For TCP
streams, this will disable the SPOE for the whole session. For HTTP streams,
this will disable it for the transaction (request and response).
To bypass this behaviour, you can set 'continue-on-error' option in 'spoe-agent'
section. With this option, only the current event will be ignored.
It is a way to set the maximum time to wait for a stream to process an event,
i.e to acquire a stream to talk with an agent, to encode all messages, to send
the NOTIFY frame, to receive the corrsponding acknowledgement and to process all
actions. It is applied on the stream that handle the client and the server
sessions.
Released version 1.7-dev6 with the following main changes :
- DOC: fix the entry for hash-balance-factor config option
- DOC: Fix typo in description of `-st` parameter in man page
- CLEANUP: cfgparse: Very minor spelling correction
- MINOR: examples: Update haproxy.spec URLs to haproxy.org
- BUG/MEDIUM: peers: on shutdown, wake up the appctx, not the stream
- BUG/MEDIUM: peers: fix use after free in peer_session_create()
- MINOR: peers: make peer_session_forceshutdown() use the appctx and not the stream
- MINOR: peers: remove the pointer to the stream
- BUG/MEDIUM: systemd-wrapper: return correct exit codes
- DOC: stats: provide state details for show servers state
- MEDIUM: tools: make str2ip2() preserve existing ports
- CLEANUP: tools: make ipcpy() preserve the original port
- OPTIM: http: move all http character classs tables into a single one
- OPTIM: http: improve parsing performance of long header lines
- OPTIM: http: improve parsing performance of long URIs
- OPTIM: http: optimize lookup of comma and quote in header values
- BUG/MEDIUM: srv-state: properly restore the DRAIN state
- BUG/MINOR: srv-state: allow to have both CMAINT and FDRAIN flags
- MINOR: server: do not emit warnings/logs/alerts on server state changes at boot
- BUG/MEDIUM: servers: properly propagate the maintenance states during startup
- MEDIUM: wurfl: add Scientiamobile WURFL device detection module
- DOC: move the device detection modules documentation to their own files
- CLEANUP: wurfl: reduce exposure in the rest of the code
- MEDIUM: ssl: Add support for OpenSSL 1.1.0
- MINOR: stream: make option contstats usable again
- MEDIUM: tools: make str2sa_range() return the FQDN even when not resolving
- MINOR: init: move apply_server_state in haproxy.c before MODE_CHECK
- MAJOR: server: postpone address resolution
- MINOR: new srv_admin flag: SRV_ADMF_RMAINT
- MINOR: server: indicate in the logs when RMAINT is cleared
- MINOR: stats: indicate it when a server is down due to resolution
- MINOR: server: make srv_set_admin_state() capable of telling why this happens
- MINOR: dns: implement extra 'hold' timers.
- MAJOR: dns: runtime resolution can change server admin state
- MEDIUM: cli: leave the RMAINT state when setting an IP address on the CLI
- MEDIUM: server: add a new init-addr server line setting
- MEDIUM: server: make use of init-addr
- MINOR: server: implement init-addr none
- MEDIUM: server: make libc resolution failure non-fatal
- MINOR: server: add support for explicit numeric address in init-addr
- DOC: add some documentation for the "init-addr" server keyword
- MINOR: init: add -dr to ignore server address resolution failures
- MEDIUM: server: do not restrict anymore usage of IP address from the state file
- BUG: vars: Fix 'set-var' converter because of a typo
- CLEANUP: remove last references to 'ruleset' section
- MEDIUM: filters: Add attch/detach and stream_set_backend callbacks
- MINOR: filters: Update filters documentation accordingly to recent changes
- MINOR: filters: Call stream_set_backend callbacks before updating backend stats
- MINOR: filters: Remove backend filters attached to a stream only for HTTP streams
- MINOR: flt_trace: Add hexdump option to dump forwarded data
- MINOR: cfgparse: Add functions to backup and restore registered sections
- MINOR: cfgparse: Parse scope lines and save the last one parsed
- REORG: sample: move code to release a sample expression in sample.c
- MINOR: vars: Allow '.' in variable names
- MINOR: vars: Add vars_set_by_name_ifexist function
- MEDIUM: vars: Add a per-process scope for variables
- MINOR: vars: Add 'unset-var' action/converter
- MAJOR: spoe: Add an experimental Stream Processing Offload Engine
- MINOR: spoe: add random ip-reputation service as SPOA example
- MINOR: spoe/checks: Add support for SPOP health checks
- DOC: update ROADMAP file
A new "option spop-check" statement has been added to enable server health
checks based on SPOP HELLO handshake. SPOP is the protocol used by SPOE filters
to talk to servers.
SPOE makes possible the communication with external components to retrieve some
info using an in-house binary protocol, the Stream Processing Offload Protocol
(SPOP). In the long term, its aim is to allow any kind of offloading on the
streams. This first version, besides being experimental, won't do lot of
things. The most important today is to validate the protocol design and lay the
foundations of what will, one day, be a full offload engine for the stream
processing.
So, for now, the SPOE can offload the stream processing before "tcp-request
content", "tcp-response content", "http-request" and "http-response" rules. And
it only supports variables creation/suppression. But, in spite of these limited
features, we can easily imagine to implement a SSO solution, an ip reputation
service or an ip geolocation service.
Internally, the SPOE is implemented as a filter. So, to use it, you must use
following line in a proxy proxy section:
frontend my-front
...
filter spoe [engine <name>] config <file>
...
It uses its own configuration file to keep the HAProxy configuration clean. It
is also a easy way to disable it by commenting out the filter line.
See "doc/SPOE.txt" for all details about the SPOE configuration.
It does the opposite of 'set-var' action/converter. It is really useful for
per-process variables. But, it can be used for any scope.
The lua function 'unset_var' has also been added.
Now it is possible to use variables attached to a process. The scope name is
'proc'. These variables are released only when HAProxy is stopped.
'tune.vars.proc-max-size' directive has been added to confiure the maximum
amount of memory used by "proc" variables. And because memory accounting is
hierachical for variables, memory for "proc" vars includes memory for "sess"
vars.
