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curl/tests/data/test506
Stefan Eissing 82009c4220
share: concurrency handling, easy updates 
Replace the `volatile int dirty` with a reference counter
protected by a mutex when available.

Solve the problem of when to call application's lock function
by adding a volatile flag that indicates a share has been added
to easy handles in its lifetime. That flag ever goes from
FALSE to TRUE, so volatile might work (in the absence of a mutex).

(The problem is that the lock/unlock functions need 2-3
`curl_share_setopt()` invocations to become usable and there
is no way of telling if the third will ever happen. Calling
the lock function before the 3rd setopt may crash the
application.)

When removing a share from an easy handle (or replacing it with
another share), detach the easy connection on a share with a
connection pool.

When cleaning up a share, allow this even if it is still used in
easy handles. It will be destroyed when the reference count
drops to 0.

Closes #20870
2026-03-21 14:42:49 +01:00

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<?xml version="1.0" encoding="US-ASCII"?>
<testcase>
<info>
<keywords>
HTTP
HTTP GET
cookies
shared cookies
</keywords>
</info>
# Server-side
<reply>
<data1>
HTTP/1.1 200 OK
Date: Tue, 09 Nov 2010 14:49:00 GMT
Server: test-server/fake
Content-Type: text/html
Set-Cookie: test1=one; domain=foo.com; expires=Sat Feb 2 11:56:27 GMT 2030
Set-Cookie: test2=two; domain=host.foo.com; expires=Sat Feb 2 11:56:27 GMT 2030
Set-Cookie: test3=three; domain=foo.com; expires=Sat Feb 2 11:56:27 GMT 2030
Content-Length: 29
run 1: set cookie 1, 2 and 3
</data1>
<data2>
HTTP/1.1 200 OK
Date: Tue, 09 Nov 2010 14:49:01 GMT
Server: test-server/fake
Content-Type: text/html
Set-Cookie: test4=four; domain=host.foo.com; expires=Sat Feb 2 11:56:27 GMT 2030
Set-Cookie: test5=five; domain=host.foo.com; expires=Sat Feb 2 11:56:27 GMT 2030
Content-Length: 26
run 2: set cookie 4 and 5
</data2>
<data3>
HTTP/1.1 200 OK
Date: Tue, 09 Nov 2010 14:49:02 GMT
Server: test-server/fake
Content-Type: text/html
Funny-head: yesyes
Set-Cookie: test4=overwritten4; domain=host.foo.com; expires=Sat May 5 GMT 11:56:27 2035
Set-Cookie: test1=overwritten1; domain=foo.com; expires=Thu Mar 3 GMT 11:56:27 2033
Set-Cookie: test6=six; domain=.www.host.foo.com; expires=Thu Mar 3 GMT 11:56:27 2033
Set-Cookie: test6=six_more; expires=Thu Mar 3 GMT 11:56:27 2033
Content-Type: text/html
Content-Length: 73
run 3: overwrite cookie 1 and 4, set cookie 6 with and without tailmatch
</data3>
</reply>
# Client-side
<client>
<server>
http
</server>
# do not run this with the threaded-resolver or c-ares since the events might
# trigger in a different order!
<features>
!threaded-resolver
!c-ares
</features>
<name>
HTTP with shared cookie list (and dns cache)
</name>
# Explicitly set the time zone to a known good one, in case the user is
# using one of the 'right' zones that take into account leap seconds
# which causes the cookie expiry times to be different.
<setenv>
TZ=GMT
</setenv>
<tool>
lib%TESTNUMBER
</tool>
<command>
http://%HOSTIP:%HTTPPORT/%TESTNUMBER %LOGDIR/jar%TESTNUMBER
</command>
</client>
# Verify data after the test has been "shot"
<verify>
<stdout>
GLOBAL_INIT
SHARE_INIT
CURLSHOPT_LOCKFUNC
CURLSHOPT_UNLOCKFUNC
CURLSHOPT_USERDATA
CURL_LOCK_DATA_COOKIE
CURL_LOCK_DATA_DNS
CURLOPT_SHARE
lock: share [Pigs in space]: 0
unlock: share [Pigs in space]: 1
CURLOPT_COOKIELIST injected_and_clobbered
lock: cookie [Pigs in space]: 2
unlock: cookie [Pigs in space]: 3
CURLOPT_COOKIELIST ALL
lock: cookie [Pigs in space]: 4
unlock: cookie [Pigs in space]: 5
CURLOPT_COOKIELIST session
lock: cookie [Pigs in space]: 6
unlock: cookie [Pigs in space]: 7
CURLOPT_COOKIELIST injected
lock: cookie [Pigs in space]: 8
unlock: cookie [Pigs in space]: 9
CURLOPT_COOKIELIST SESS
lock: cookie [Pigs in space]: 10
unlock: cookie [Pigs in space]: 11
CLEANUP
lock: cookie [Pigs in space]: 12
unlock: cookie [Pigs in space]: 13
lock: share [Pigs in space]: 14
unlock: share [Pigs in space]: 15
*** run 1
CURLOPT_SHARE
lock: share [Pigs in space]: 16
unlock: share [Pigs in space]: 17
PERFORM
lock: cookie [Pigs in space]: 18
unlock: cookie [Pigs in space]: 19
lock: cookie [Pigs in space]: 20
unlock: cookie [Pigs in space]: 21
lock: dns [Pigs in space]: 22
unlock: dns [Pigs in space]: 23
lock: dns [Pigs in space]: 24
unlock: dns [Pigs in space]: 25
lock: cookie [Pigs in space]: 26
unlock: cookie [Pigs in space]: 27
lock: cookie [Pigs in space]: 28
unlock: cookie [Pigs in space]: 29
lock: cookie [Pigs in space]: 30
unlock: cookie [Pigs in space]: 31
lock: cookie [Pigs in space]: 32
unlock: cookie [Pigs in space]: 33
run 1: set cookie 1, 2 and 3
lock: dns [Pigs in space]: 34
unlock: dns [Pigs in space]: 35
lock: dns [Pigs in space]: 36
unlock: dns [Pigs in space]: 37
CLEANUP
lock: cookie [Pigs in space]: 38
unlock: cookie [Pigs in space]: 39
lock: share [Pigs in space]: 40
unlock: share [Pigs in space]: 41
*** run 2
CURLOPT_SHARE
lock: share [Pigs in space]: 42
unlock: share [Pigs in space]: 43
PERFORM
lock: cookie [Pigs in space]: 44
unlock: cookie [Pigs in space]: 45
lock: cookie [Pigs in space]: 46
unlock: cookie [Pigs in space]: 47
lock: dns [Pigs in space]: 48
unlock: dns [Pigs in space]: 49
lock: cookie [Pigs in space]: 50
unlock: cookie [Pigs in space]: 51
lock: cookie [Pigs in space]: 52
unlock: cookie [Pigs in space]: 53
lock: cookie [Pigs in space]: 54
unlock: cookie [Pigs in space]: 55
run 2: set cookie 4 and 5
lock: dns [Pigs in space]: 56
unlock: dns [Pigs in space]: 57
lock: dns [Pigs in space]: 58
unlock: dns [Pigs in space]: 59
CLEANUP
lock: cookie [Pigs in space]: 60
unlock: cookie [Pigs in space]: 61
lock: share [Pigs in space]: 62
unlock: share [Pigs in space]: 63
*** run 3
CURLOPT_SHARE
lock: share [Pigs in space]: 64
unlock: share [Pigs in space]: 65
CURLOPT_COOKIEJAR
CURLOPT_COOKIELIST FLUSH
lock: cookie [Pigs in space]: 66
unlock: cookie [Pigs in space]: 67
PERFORM
lock: cookie [Pigs in space]: 68
unlock: cookie [Pigs in space]: 69
lock: dns [Pigs in space]: 70
unlock: dns [Pigs in space]: 71
lock: cookie [Pigs in space]: 72
unlock: cookie [Pigs in space]: 73
lock: cookie [Pigs in space]: 74
unlock: cookie [Pigs in space]: 75
lock: cookie [Pigs in space]: 76
unlock: cookie [Pigs in space]: 77
lock: cookie [Pigs in space]: 78
unlock: cookie [Pigs in space]: 79
lock: cookie [Pigs in space]: 80
unlock: cookie [Pigs in space]: 81
run 3: overwrite cookie 1 and 4, set cookie 6 with and without tailmatch
lock: dns [Pigs in space]: 82
unlock: dns [Pigs in space]: 83
lock: dns [Pigs in space]: 84
unlock: dns [Pigs in space]: 85
CLEANUP
lock: cookie [Pigs in space]: 86
unlock: cookie [Pigs in space]: 87
lock: share [Pigs in space]: 88
unlock: share [Pigs in space]: 89
CURLOPT_SHARE
lock: share [Pigs in space]: 90
unlock: share [Pigs in space]: 91
CURLOPT_COOKIELIST ALL
lock: cookie [Pigs in space]: 92
unlock: cookie [Pigs in space]: 93
CURLOPT_COOKIEJAR
CURLOPT_COOKIELIST RELOAD
lock: cookie [Pigs in space]: 94
unlock: cookie [Pigs in space]: 95
lock: cookie [Pigs in space]: 96
unlock: cookie [Pigs in space]: 97
loaded cookies:
-----------------
www.host.foo.com FALSE / FALSE %days[400] test6 six_more
.www.host.foo.com TRUE / FALSE %days[400] test6 six
.host.foo.com TRUE / FALSE %days[400] test5 five
.host.foo.com TRUE / FALSE %days[400] test4 overwritten4
.foo.com TRUE / FALSE %days[400] test3 three
.host.foo.com TRUE / FALSE %days[400] test2 two
.foo.com TRUE / FALSE %days[400] test1 overwritten1
.host.foo.com TRUE / FALSE %days[400] injected yes
-----------------
try SHARE_CLEANUP...
SHARE_CLEANUP failed, correct
CLEANUP
lock: cookie [Pigs in space]: 98
unlock: cookie [Pigs in space]: 99
lock: share [Pigs in space]: 100
unlock: share [Pigs in space]: 101
SHARE_CLEANUP
lock: share [Pigs in space]: 102
unlock: share [Pigs in space]: 103
GLOBAL_CLEANUP
</stdout>
<file name="%LOGDIR/jar%TESTNUMBER" mode="text">
# Netscape HTTP Cookie File
# https://curl.se/docs/http-cookies.html
# This file was generated by libcurl! Edit at your own risk.
www.host.foo.com FALSE / FALSE %days[400] test6 six_more
.www.host.foo.com TRUE / FALSE %days[400] test6 six
.host.foo.com TRUE / FALSE %days[400] test5 five
.host.foo.com TRUE / FALSE %days[400] test4 overwritten4
.foo.com TRUE / FALSE %days[400] test3 three
.host.foo.com TRUE / FALSE %days[400] test2 two
.foo.com TRUE / FALSE %days[400] test1 overwritten1
.host.foo.com TRUE / FALSE %days[400] injected yes
</file>
</verify>
</testcase>
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