ftp: prevent server from hanging on closed data connection

Some FTP servers (e.g. Pure-ftpd) end up hanging if we close the data
connection before transferring all the requested data.  If we send ABOR
in that case, it prevents the server from hanging.

Bug: https://bugzilla.redhat.com/643656
Reported by: Pasi Karkkainen, Patrick Monnerat

5 files changed, 5 insertions, 0 deletions

diff --git a/tests/data/test1036 b/tests/data/test1036
index b8ebc4fc0..a31cb458a 100644
--- a/tests/data/test1036
+++ b/tests/data/test1036
@@ -50,6 +50,7 @@ TYPE I
 SIZE 1036

 REST 20

 RETR 1036

+ABOR

 QUIT

 </protocol>
 <file name="log/curl1036.out">
diff --git a/tests/data/test1057 b/tests/data/test1057
index cfb88f2c5..b4ef20c8d 100644
--- a/tests/data/test1057
+++ b/tests/data/test1057
@@ -45,6 +45,7 @@ TYPE I
 SIZE 1057

 REST 52

 RETR 1057

+ABOR

 QUIT

 </protocol>
 </verify>
diff --git a/tests/data/test110 b/tests/data/test110
index b63ba8a2d..4a094e7e8 100644
--- a/tests/data/test110
+++ b/tests/data/test110
@@ -46,6 +46,7 @@ TYPE I
 SIZE 110

 REST 20

 RETR 110

+ABOR

 QUIT

 </protocol>
 </verify>
diff --git a/tests/data/test122 b/tests/data/test122
index fb1dd05fc..ac60672bb 100644
--- a/tests/data/test122
+++ b/tests/data/test122
@@ -39,6 +39,7 @@ EPSV
 PASV

 TYPE I

 SIZE 122

+ABOR

 QUIT

 </protocol>
 </verify>
diff --git a/tests/data/test135 b/tests/data/test135
index a051dba20..10eb0eacd 100644
--- a/tests/data/test135
+++ b/tests/data/test135
@@ -47,6 +47,7 @@ TYPE I
 SIZE 135

 REST 4

 RETR 135

+ABOR

 QUIT

 </protocol>
 </verify>