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openresty/t/001-resolver.t

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feature: added a patch for the nginx core to add the "local=/path/to/resolv.conf" option to the standard "resolver" config directive. This can enable the use of system-level nameserver configurations of /etc/resolv.conf, for example, in nginx's own nonblocking DNS resolver. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
2018-02-24 03:39:33 +01:00
# vim:set ft= ts=4 sw=4 et fdm=marker:
use Test::Nginx::Socket::Lua;
#worker_connections(1014);
#master_process_enabled(1);
log_level('debug');
repeat_each(1);
plan tests => repeat_each() * (blocks() * 5);
#no_diff();
no_long_string();
run_tests();
__DATA__
=== TEST 1: use system resolver
--- config
resolver local=on ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- error_log
parsed a resolver: "
=== TEST 2: malformed file
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
nameser 8.8.8.8"
--- request
GET /t
test: fixed test failure due to NGINX core change introduced in 1.15.1 by https://github.com/nginx/nginx/commit/63e8a1d926251469b708c6248c3b1849bd018b40.
2018-10-31 06:52:27 +01:00
--- must_die
--- error_log
no name servers defined
feature: added a patch for the nginx core to add the "local=/path/to/resolv.conf" option to the standard "resolver" config directive. This can enable the use of system-level nameserver configurations of /etc/resolv.conf, for example, in nginx's own nonblocking DNS resolver. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
2018-02-24 03:39:33 +01:00
--- no_error_log
[error]
[crit]
parsed a resolver: "
test: fixed test failure due to NGINX core change introduced in 1.15.1 by https://github.com/nginx/nginx/commit/63e8a1d926251469b708c6248c3b1849bd018b40.
2018-10-31 06:52:27 +01:00
--- skip_nginx: 5: < 1.15.1
feature: added a patch for the nginx core to add the "local=/path/to/resolv.conf" option to the standard "resolver" config directive. This can enable the use of system-level nameserver configurations of /etc/resolv.conf, for example, in nginx's own nonblocking DNS resolver. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
2018-02-24 03:39:33 +01:00
=== TEST 3: disabled
--- config
resolver local=off ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
nameser 8.8.8.8"
--- request
GET /t
test: fixed test failure due to NGINX core change introduced in 1.15.1 by https://github.com/nginx/nginx/commit/63e8a1d926251469b708c6248c3b1849bd018b40.
2018-10-31 06:52:27 +01:00
--- must_die
--- error_log
no name servers defined
feature: added a patch for the nginx core to add the "local=/path/to/resolv.conf" option to the standard "resolver" config directive. This can enable the use of system-level nameserver configurations of /etc/resolv.conf, for example, in nginx's own nonblocking DNS resolver. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
2018-02-24 03:39:33 +01:00
--- no_error_log
[error]
[crit]
parsed a resolver: "
test: fixed test failure due to NGINX core change introduced in 1.15.1 by https://github.com/nginx/nginx/commit/63e8a1d926251469b708c6248c3b1849bd018b40.
2018-10-31 06:52:27 +01:00
--- skip_nginx: 5: < 1.15.1
feature: added a patch for the nginx core to add the "local=/path/to/resolv.conf" option to the standard "resolver" config directive. This can enable the use of system-level nameserver configurations of /etc/resolv.conf, for example, in nginx's own nonblocking DNS resolver. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
2018-02-24 03:39:33 +01:00
=== TEST 4: multiple resolvers
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
domain example.com
nameserver 8.8.8.8
nameserver 8.8.4.4"
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "8.8.8.8"
parsed a resolver: "8.8.4.4"
=== TEST 5: CRLF
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
domain example.com\r\nnameserver 8.8.8.8\r\nnameserver 8.8.4.4"
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "8.8.8.8"
parsed a resolver: "8.8.4.4"
=== TEST 6: CR only, with comments
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
#domain example.com\rnameserver 8.8.8.8\rnameserver 8.8.4.4"
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "8.8.8.8"
parsed a resolver: "8.8.4.4"
=== TEST 7: spaces and tabs before and after nameserver
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
domain example.com
\t \t \tnameserver \t \t 8.8.8.8
\t \t \tnameserver\t \t8.8.4.4"
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "8.8.8.8"
parsed a resolver: "8.8.4.4"
=== TEST 8: MAXNS is respected (in standard Glibc it is 3)
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
domain example.com
nameserver 8.8.8.8
nameserver 8.8.4.4
nameserver 208.67.222.222
nameserver 208.67.220.220"
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "8.8.8.8"
parsed a resolver: "8.8.4.4"
parsed a resolver: "208.67.222.222"
=== TEST 9: IPv6 is supported
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location = /t {
content_by_lua_block {
ngx.say("done")
}
}
--- user_files eval
">>> resolv.conf
domain example.com
nameserver 2001:4860:4860::8888
nameserver 2001:4860:4860::8844"
--- request
GET /t
--- response_body
done
--- no_error_log
[crit]
[error]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "[2001:4860:4860::8888]"
parsed a resolver: "[2001:4860:4860::8844]"
=== TEST 10: IPv6 with malformed and long address
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location = /t {
content_by_lua_block {
ngx.say("done")
}
}
--- user_files eval
">>> resolv.conf
domain example.com
nameserver 2001:4860:4860::8888:2001:4860:4860::8888:2001
nameserver 2001:4860:4860::8844"
--- request
GET /t
--- response_body
done
--- no_error_log
[crit]
[error]
--- must_die
--- error_log
IPv6 resolver address is too long: "2001:4860:4860::8888:2001:4860:4860::8888:2001"
unable to parse local resolver
resolv.conf: fixed a bug that when a newline character is present at the end of the resolv.conf file, the parser incorrectly included such newline in the parsed address. Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>
2018-03-30 01:57:17 +02:00
=== TEST 11: new line at the end of the file
--- config
resolver local=../html/resolv.conf ipv6=off;
resolver_timeout 5s;
location /t {
content_by_lua_block {
local sock = ngx.socket.tcp()
local ok, err = sock:connect("openresty.org", 80)
if not ok then
ngx.say("failed to connect to openresty.org: ", err)
return
end
ngx.say("successfully connected to openresty.org")
sock:close()
}
}
--- user_files eval
">>> resolv.conf
domain example.com
nameserver 8.8.8.8
nameserver 8.8.4.4
"
--- request
GET /t
--- response_body
successfully connected to openresty.org
--- no_error_log
[error]
[crit]
--- grep_error_log eval: qr/parsed a resolver: ".+"/
--- grep_error_log_out
parsed a resolver: "8.8.8.8"
parsed a resolver: "8.8.4.4"
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