always-multi: always use non-blocking internals

Remove internal separated behavior of the easy vs multi intercace.
curl_easy_perform() is now using the multi interface itself.

Several minor multi interface quirks and bugs have been fixed in the
process.

Much help with debugging this has been provided by: Yang Tse

29 files changed, 56 insertions, 69 deletions

diff --git a/tests/data/test1208 b/tests/data/test1208
index a0d428b43..504f6c7bb 100644
--- a/tests/data/test1208
+++ b/tests/data/test1208
@@ -36,6 +36,11 @@ FTP PORT download, no data conn and no transient negative reply
 <strippart>
 s/^EPRT \|1\|(.*)/EPRT \|1\|/
 </strippart>
+
+# This test doesn't send a QUIT because the main state machine in multi.c
+# triggers the timeout and sets the CURLE_OPERATION_TIMEDOUT error (28) for
+# which the FTP disconect code generically has to assume could mean the
+# control the connection and thus it cannot send any command.
 <protocol>
 USER anonymous

 PASS ftp@example.com

@@ -44,10 +49,9 @@ EPRT |1|
 TYPE I

 SIZE 1208

 RETR 1208

-QUIT

 </protocol>
 <errorcode>
-12
+28
 </errorcode>
 </verify>
 </testcase>
diff --git a/tests/data/test1349 b/tests/data/test1349
index c88eec9e0..28576fe90 100644
--- a/tests/data/test1349
+++ b/tests/data/test1349
@@ -54,6 +54,8 @@ fooo
 mooo
 </file1>
 
+# The final "221 bye bye baby" response to QUIT will not be recorded
+# since that is not considered part of this particular transfer!
 <file2 name="log/heads1349">
 220-        _   _ ____  _     

 220-    ___| | | |  _ \| |    

@@ -69,7 +71,6 @@ mooo
 213 10

 150 Binary data connection for 1349 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1350 b/tests/data/test1350
index 214289484..df12de59d 100644
--- a/tests/data/test1350
+++ b/tests/data/test1350
@@ -54,6 +54,8 @@ fooo
 mooo
 </file1>
 
+# The final "221 bye bye baby" response to QUIT will not be recorded
+# since that is not considered part of this particular transfer!
 <file2 name="log/stdout1350">
 220-        _   _ ____  _     

 220-    ___| | | |  _ \| |    

@@ -69,7 +71,6 @@ mooo
 213 10

 150 Binary data connection for 1350 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1351 b/tests/data/test1351
index fea442fc7..d81265e01 100644
--- a/tests/data/test1351
+++ b/tests/data/test1351
@@ -55,6 +55,8 @@ fooo
 mooo
 </file1>
 
+# The final "221 bye bye baby" response to QUIT will not be recorded
+# since that is not considered part of this particular transfer!
 <file2 name="log/heads1351">
 220-        _   _ ____  _     

 220-    ___| | | |  _ \| |    

@@ -70,7 +72,6 @@ mooo
 213 10

 150 Binary data connection for 1351 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1352 b/tests/data/test1352
index ca24d4911..fa9d1ce7b 100644
--- a/tests/data/test1352
+++ b/tests/data/test1352
@@ -55,6 +55,8 @@ fooo
 mooo
 </file1>
 
+# The final "221 bye bye baby" response to QUIT will not be recorded
+# since that is not considered part of this particular transfer!
 <file2 name="log/stdout1352">
 220-        _   _ ____  _     

 220-    ___| | | |  _ \| |    

@@ -70,7 +72,6 @@ mooo
 213 10

 150 Binary data connection for 1352 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1353 b/tests/data/test1353
index 015f60a41..b2954b14d 100644
--- a/tests/data/test1353
+++ b/tests/data/test1353
@@ -54,6 +54,8 @@ fooo
 mooo
 </file1>
 
+# The final "221 bye bye baby" response to QUIT will not be recorded
+# since that is not considered part of this particular transfer!
 <file2 name="log/heads1353">
 220-        _   _ ____  _     

 220-    ___| | | |  _ \| |    

@@ -69,7 +71,6 @@ mooo
 213 10

 150 Binary data connection for 1353 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1354 b/tests/data/test1354
index cf644294c..aa54f2d07 100644
--- a/tests/data/test1354
+++ b/tests/data/test1354
@@ -69,7 +69,6 @@ mooo
 213 10

 150 Binary data connection for 1354 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1357 b/tests/data/test1357
index 4b539ec6d..952572032 100644
--- a/tests/data/test1357
+++ b/tests/data/test1357
@@ -87,7 +87,6 @@ MOOOO
 213 214

 150 Binary data connection for 1357 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1358 b/tests/data/test1358
index 081b36f1d..24cc724ea 100644
--- a/tests/data/test1358
+++ b/tests/data/test1358
@@ -87,7 +87,6 @@ MOOOO
 213 214

 150 Binary data connection for 1358 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1359 b/tests/data/test1359
index bb9747ae4..96445bb4e 100644
--- a/tests/data/test1359
+++ b/tests/data/test1359
@@ -88,7 +88,6 @@ MOOOO
 213 214

 150 Binary data connection for 1359 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1360 b/tests/data/test1360
index d2cb33dfc..abfbe8c68 100644
--- a/tests/data/test1360
+++ b/tests/data/test1360
@@ -88,7 +88,6 @@ MOOOO
 213 214

 150 Binary data connection for 1360 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1361 b/tests/data/test1361
index 8d3f1f53b..b97de16cd 100644
--- a/tests/data/test1361
+++ b/tests/data/test1361
@@ -87,7 +87,6 @@ MOOOO
 213 214

 150 Binary data connection for 1361 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1362 b/tests/data/test1362
index 5dc41811c..0ea7461ea 100644
--- a/tests/data/test1362
+++ b/tests/data/test1362
@@ -87,7 +87,6 @@ MOOOO
 213 214

 150 Binary data connection for 1362 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1379 b/tests/data/test1379
index 26552c8fa..0fd06d5c5 100644
--- a/tests/data/test1379
+++ b/tests/data/test1379
@@ -64,7 +64,6 @@ mooo
 213 10

 150 Binary data connection for 1379 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1380 b/tests/data/test1380
index 060b4b0b8..ec7800d5d 100644
--- a/tests/data/test1380
+++ b/tests/data/test1380
@@ -64,7 +64,6 @@ mooo
 213 10

 150 Binary data connection for 1380 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1381 b/tests/data/test1381
index c82ac745d..8f3bc37f0 100644
--- a/tests/data/test1381
+++ b/tests/data/test1381
@@ -65,7 +65,6 @@ mooo
 213 10

 150 Binary data connection for 1381 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1382 b/tests/data/test1382
index 5e5513f38..fbf5195f7 100644
--- a/tests/data/test1382
+++ b/tests/data/test1382
@@ -65,7 +65,6 @@ mooo
 213 10

 150 Binary data connection for 1382 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1383 b/tests/data/test1383
index 2604faf96..0469e72e0 100644
--- a/tests/data/test1383
+++ b/tests/data/test1383
@@ -64,7 +64,6 @@ mooo
 213 10

 150 Binary data connection for 1383 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1384 b/tests/data/test1384
index 289aa9bdb..2deeb7c4c 100644
--- a/tests/data/test1384
+++ b/tests/data/test1384
@@ -64,7 +64,6 @@ mooo
 213 10

 150 Binary data connection for 1384 () (10 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1387 b/tests/data/test1387
index 6628b8963..a2c5a4d6b 100644
--- a/tests/data/test1387
+++ b/tests/data/test1387
@@ -79,7 +79,6 @@ MOOOO
 213 214

 150 Binary data connection for 1387 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1388 b/tests/data/test1388
index 478a2e9fa..b4662e654 100644
--- a/tests/data/test1388
+++ b/tests/data/test1388
@@ -79,7 +79,6 @@ MOOOO
 213 214

 150 Binary data connection for 1388 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1389 b/tests/data/test1389
index 06b9c26b1..c2ac3ad9d 100644
--- a/tests/data/test1389
+++ b/tests/data/test1389
@@ -80,7 +80,6 @@ MOOOO
 213 214

 150 Binary data connection for 1389 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1390 b/tests/data/test1390
index b5980369e..3cf86e775 100644
--- a/tests/data/test1390
+++ b/tests/data/test1390
@@ -80,7 +80,6 @@ MOOOO
 213 214

 150 Binary data connection for 1390 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1391 b/tests/data/test1391
index fa7d89a66..913f25afe 100644
--- a/tests/data/test1391
+++ b/tests/data/test1391
@@ -79,7 +79,6 @@ MOOOO
 213 214

 150 Binary data connection for 1391 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1392 b/tests/data/test1392
index c1e8346a2..b05fc317c 100644
--- a/tests/data/test1392
+++ b/tests/data/test1392
@@ -79,7 +79,6 @@ MOOOO
 213 214

 150 Binary data connection for 1392 () (214 bytes).

 226 File transfer complete

-221 bye bye baby

 </file2>
 <stripfile2>
 s/^(229 Entering Passive Mode \().*(\).*)/${1}stripped${2}/
diff --git a/tests/data/test1407 b/tests/data/test1407
index a0c84057d..842778a7c 100644
--- a/tests/data/test1407
+++ b/tests/data/test1407
@@ -12,7 +12,7 @@ LIST
 # Server-side
 <reply>
 <servercmd>
-REPLY LIST +OK 1407 100
+REPLY LIST +OK 1407 100\r\n.
 </servercmd>
 </reply>
 
diff --git a/tests/data/test506 b/tests/data/test506
index c1a959a40..a61e2fc00 100644
--- a/tests/data/test506
+++ b/tests/data/test506
@@ -101,66 +101,60 @@ run 1: set cookie 1, 2 and 3
 lock:   dns    [Pigs in space]: 14
 unlock: dns    [Pigs in space]: 15
 CLEANUP
-lock:   dns    [Pigs in space]: 16
-unlock: dns    [Pigs in space]: 17
-lock:   cookie [Pigs in space]: 18
-unlock: cookie [Pigs in space]: 19
-lock:   share  [Pigs in space]: 20
-unlock: share  [Pigs in space]: 21
+lock:   cookie [Pigs in space]: 16
+unlock: cookie [Pigs in space]: 17
+lock:   share  [Pigs in space]: 18
+unlock: share  [Pigs in space]: 19
 *** run 2
 CURLOPT_SHARE
-lock:   share  [Pigs in space]: 22
-unlock: share  [Pigs in space]: 23
+lock:   share  [Pigs in space]: 20
+unlock: share  [Pigs in space]: 21
 PERFORM
-lock:   dns    [Pigs in space]: 24
-unlock: dns    [Pigs in space]: 25
+lock:   dns    [Pigs in space]: 22
+unlock: dns    [Pigs in space]: 23
+lock:   cookie [Pigs in space]: 24
+unlock: cookie [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
 run 2: set cookie 4 and 5
-lock:   dns    [Pigs in space]: 32
-unlock: dns    [Pigs in space]: 33
+lock:   dns    [Pigs in space]: 30
+unlock: dns    [Pigs in space]: 31
 CLEANUP
-lock:   dns    [Pigs in space]: 34
-unlock: dns    [Pigs in space]: 35
-lock:   cookie [Pigs in space]: 36
-unlock: cookie [Pigs in space]: 37
-lock:   share  [Pigs in space]: 38
-unlock: share  [Pigs in space]: 39
+lock:   cookie [Pigs in space]: 32
+unlock: cookie [Pigs in space]: 33
+lock:   share  [Pigs in space]: 34
+unlock: share  [Pigs in space]: 35
 *** run 3
 CURLOPT_SHARE
-lock:   share  [Pigs in space]: 40
-unlock: share  [Pigs in space]: 41
+lock:   share  [Pigs in space]: 36
+unlock: share  [Pigs in space]: 37
 CURLOPT_COOKIEJAR
 PERFORM
-lock:   dns    [Pigs in space]: 42
-unlock: dns    [Pigs in space]: 43
+lock:   dns    [Pigs in space]: 38
+unlock: dns    [Pigs in space]: 39
+lock:   cookie [Pigs in space]: 40
+unlock: cookie [Pigs in space]: 41
+lock:   cookie [Pigs in space]: 42
+unlock: cookie [Pigs in space]: 43
 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:   cookie [Pigs in space]: 48
-unlock: cookie [Pigs in space]: 49
 run 3: overwrite cookie 1 and 4
-lock:   dns    [Pigs in space]: 50
-unlock: dns    [Pigs in space]: 51
+lock:   dns    [Pigs in space]: 46
+unlock: dns    [Pigs in space]: 47
 try SHARE_CLEANUP...
-lock:   share  [Pigs in space]: 52
-unlock: share  [Pigs in space]: 53
+lock:   share  [Pigs in space]: 48
+unlock: share  [Pigs in space]: 49
 SHARE_CLEANUP failed, correct
 CLEANUP
-lock:   dns    [Pigs in space]: 54
-unlock: dns    [Pigs in space]: 55
-lock:   cookie [Pigs in space]: 56
-unlock: cookie [Pigs in space]: 57
-lock:   share  [Pigs in space]: 58
-unlock: share  [Pigs in space]: 59
+lock:   cookie [Pigs in space]: 50
+unlock: cookie [Pigs in space]: 51
+lock:   share  [Pigs in space]: 52
+unlock: share  [Pigs in space]: 53
 SHARE_CLEANUP
-lock:   share  [Pigs in space]: 60
-unlock: share  [Pigs in space]: 61
+lock:   share  [Pigs in space]: 54
+unlock: share  [Pigs in space]: 55
 GLOBAL_CLEANUP
 </stdout>
 <stderr>
diff --git a/tests/data/test808 b/tests/data/test808
index 2c9c11cdd..9027a5ab9 100644
--- a/tests/data/test808
+++ b/tests/data/test808
@@ -10,7 +10,8 @@ LIST
 # Server-side
 <reply>
 <servercmd>
-REPLY LIST +OK 808 100
+# include the '.\r\n' 3-byte trailer to end the transfer poperly!
+REPLY LIST +OK 808 100\r\n.
 </servercmd>
 </reply>
 
diff --git a/tests/data/test813 b/tests/data/test813
index 1447fa277..fac4aa0ef 100644
--- a/tests/data/test813
+++ b/tests/data/test813
@@ -34,11 +34,13 @@ pop3://%HOSTIP:%POP3PORT/813 -u user:wrong
 <errorcode>
 67
 </errorcode>
+#
+# The multi interface considers a broken "DO" request as a prematurely broken
+# transfer and such a connection will not get a "QUIT"
 <protocol>
 CAPA

 USER user

 PASS wrong

-QUIT

 </protocol>
 </verify>
 </testcase>