Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2010-01-01 Thread Manfred Usselmann
On Mon, 14 Dec 2009 17:51:31 -0500
David Horn dhorn2...@gmail.com wrote:

 On Mon, Dec 14, 2009 at 5:31 PM, Manfred Usselmann
 usselman...@icg-online.de wrote:
  On Mon, 14 Dec 2009 08:17:16 +0100
  Manfred Usselmann usselman...@icg-online.de wrote:
 
  On Mon, 14 Dec 2009 00:23:17 -0500
  David Horn dhorn2...@gmail.com wrote:
 
   I believe that there is something unusual going on with the checking
   on select() return in ncftp3.  If you change every instance of
   select() result checking in ftp/ncftp3 from ==1 to =1 the problem
   seems to go away.
  
   result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
   SELECT_TYPE_ARG5 tv);
   -if (result == 1) {
   +if (result = 1) {
 
  I will try this.
 
  Did work for me!
 
  Thanks,
  Manfred
 
 OK.   I will try to report it to the upstream (ncftp.com/contact), and
 failing that we could always patch as part of the ncftp 3.2.3 update
 into freebsd ports, but glad to hear it worked for you.

The port has been updated to 3.2.3 but without a fix.

http://www.freebsd.org/cgi/query-pr.cgi?pr=140934 mentions a fix to
FreeBSD 8 which sounds like it should have solved our issue. Don't know
why it didn't.

Regards,
Manfred

-- 
Manfred Usselmann usselman...@icg-online.de
ICG IT Consulting GmbH, Kelkheim
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Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2010-01-01 Thread David Horn
On Fri, Jan 1, 2010 at 9:28 AM, Manfred Usselmann
usselman...@icg-online.de wrote:
 On Mon, 14 Dec 2009 17:51:31 -0500
 David Horn dhorn2...@gmail.com wrote:

 On Mon, Dec 14, 2009 at 5:31 PM, Manfred Usselmann
 usselman...@icg-online.de wrote:
  On Mon, 14 Dec 2009 08:17:16 +0100
  Manfred Usselmann usselman...@icg-online.de wrote:
 
  On Mon, 14 Dec 2009 00:23:17 -0500
  David Horn dhorn2...@gmail.com wrote:
 
   I believe that there is something unusual going on with the checking
   on select() return in ncftp3.  If you change every instance of
   select() result checking in ftp/ncftp3 from ==1 to =1 the problem
   seems to go away.
  
   result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
   SELECT_TYPE_ARG5 tv);
   -if (result == 1) {
   +if (result = 1) {
 
  I will try this.
 
  Did work for me!
 
  Thanks,
  Manfred

 OK.   I will try to report it to the upstream (ncftp.com/contact), and
 failing that we could always patch as part of the ncftp 3.2.3 update
 into freebsd ports, but glad to hear it worked for you.

 The port has been updated to 3.2.3 but without a fix.

 http://www.freebsd.org/cgi/query-pr.cgi?pr=140934 mentions a fix to
 FreeBSD 8 which sounds like it should have solved our issue. Don't know
 why it didn't.

 Regards,
 Manfred


3.2.3 of ncftp was released by the vendor in July 2009
(http://www.ncftp.org/), so it would not have yet incorporated the
select() result checking changes.

I reported the issue to ncftp, and they acknowledged the issue.  I can
only assume that it will be addressed in the next vendor release
(3.2.4 ?)  The obrien change was a patch to the freebsd  ncftp port
(3.2.2) for the same issue, but only on one of the select() instances
(not all of them).

http://www.freebsd.org/cgi/cvsweb.cgi/ports/ftp/ncftp3/files/Attic/patch-SConnect.c

The obrien commit was since reverted for 3.2.3 since the vendor
included the one instance of select() result checking in the base
code.

So, long story short, you still need to manually patch the source of
ncftp until either

A)  Vendor updates base code (or)
B)  Someone submits a patch to the freebsd port of ftp/ncftp3 (3.2.3)

If you are really concerned about it, create an official patch (use
diff -u) and attach it to your bug report.  Bug reports with patches
are much more likely to see action.

If you are having issues creating a patch let me know and I will try
to find the time to do this in the next week or so. (ENOTIME)

Good Luck.

---Dave Horn
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Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2010-01-01 Thread Manfred Usselmann
On Fri, 1 Jan 2010 10:12:41 -0500
David Horn dhorn2...@gmail.com wrote:

 On Fri, Jan 1, 2010 at 9:28 AM, Manfred Usselmann
 usselman...@icg-online.de wrote:
  On Mon, 14 Dec 2009 17:51:31 -0500
  David Horn dhorn2...@gmail.com wrote:
 
  On Mon, Dec 14, 2009 at 5:31 PM, Manfred Usselmann
  usselman...@icg-online.de wrote:
   On Mon, 14 Dec 2009 08:17:16 +0100
   Manfred Usselmann usselman...@icg-online.de wrote:
  
   On Mon, 14 Dec 2009 00:23:17 -0500
   David Horn dhorn2...@gmail.com wrote:
  
I believe that there is something unusual going on with the checking
on select() return in ncftp3.  If you change every instance of
select() result checking in ftp/ncftp3 from ==1 to =1 the problem
seems to go away.
   
result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
SELECT_TYPE_ARG5 tv);
-if (result == 1) {
+if (result = 1) {
  
   I will try this.
  
   Did work for me!
  
   Thanks,
   Manfred
 
  OK.   I will try to report it to the upstream (ncftp.com/contact), and
  failing that we could always patch as part of the ncftp 3.2.3 update
  into freebsd ports, but glad to hear it worked for you.
 
  The port has been updated to 3.2.3 but without a fix.
 
  http://www.freebsd.org/cgi/query-pr.cgi?pr=140934 mentions a fix to
  FreeBSD 8 which sounds like it should have solved our issue. Don't know
  why it didn't.
 
  Regards,
  Manfred
 
 
 3.2.3 of ncftp was released by the vendor in July 2009
 (http://www.ncftp.org/), so it would not have yet incorporated the
 select() result checking changes.
 
 I reported the issue to ncftp, and they acknowledged the issue.  I can
 only assume that it will be addressed in the next vendor release
 (3.2.4 ?)  The obrien change was a patch to the freebsd  ncftp port
 (3.2.2) for the same issue, but only on one of the select() instances
 (not all of them).
 
 http://www.freebsd.org/cgi/cvsweb.cgi/ports/ftp/ncftp3/files/Attic/patch-SConnect.c
 
 The obrien commit was since reverted for 3.2.3 since the vendor
 included the one instance of select() result checking in the base
 code.
 
 So, long story short, you still need to manually patch the source of
 ncftp until either
 
 A)  Vendor updates base code (or)
 B)  Someone submits a patch to the freebsd port of ftp/ncftp3 (3.2.3)
 
 If you are really concerned about it, create an official patch (use
 diff -u) and attach it to your bug report.  Bug reports with patches
 are much more likely to see action.
 
 If you are having issues creating a patch let me know and I will try
 to find the time to do this in the next week or so. (ENOTIME)

Thanks a lot for the detailed explanation!

Since the vendor acknowledged the issue I'm fine with waiting until the
next version to see if an official fix is included.

Nevertheless I have created the attached patch. 

Thanks,
Manfred



-- 
Manfred Usselmann usselman...@icg-online.de
ICG IT Consulting GmbH, Kelkheim
diff -ur ncftp-3.2.3/autoconf_local/aclocal.m4 
ncftp-3.2.3.fixed/autoconf_local/aclocal.m4
--- ncftp-3.2.3/autoconf_local/aclocal.m4   2009-07-28 16:45:58.0 
+0200
+++ ncftp-3.2.3.fixed/autoconf_local/aclocal.m4 2009-12-14 14:00:45.0 
+0100
@@ -4326,7 +4326,7 @@
for (;;) {
ss = ss2;
nready = select(fd + 1, ss, NULL, NULL, tleft);
-   if (nready == 1)
+   if (nready = 1)
break;
if (nready  0) {
if (errno != EINTR) {
diff -ur ncftp-3.2.3/configure ncftp-3.2.3.fixed/configure
--- ncftp-3.2.3/configure   2009-07-28 17:01:30.0 +0200
+++ ncftp-3.2.3.fixed/configure 2009-12-14 14:01:58.0 +0100
@@ -10010,7 +10010,7 @@
for (;;) {
ss = ss2;
nready = select(fd + 1, ss, NULL, NULL, tleft);
-   if (nready == 1)
+   if (nready = 1)
break;
if (nready  0) {
if (errno != EINTR) {
diff -ur ncftp-3.2.3/libncftp/io_util.c ncftp-3.2.3.fixed/libncftp/io_util.c
--- ncftp-3.2.3/libncftp/io_util.c  2005-01-01 22:30:04.0 +0100
+++ ncftp-3.2.3.fixed/libncftp/io_util.c2009-12-14 14:07:48.0 
+0100
@@ -192,7 +192,7 @@
tv.tv_sec = 1;
tv.tv_usec = 0;
result = select(fd + 1, SELECT_TYPE_ARG234 ss, NULL, 
SELECT_TYPE_ARG234 ss2, tv);
-   if (result == 1) {
+   if (result = 1) {
/* ready */
cip-stalled = 0;
return (1);
@@ -271,7 +271,7 @@
tv.tv_sec = 1;
tv.tv_usec = 0;
result = select(fd + 1, NULL, SELECT_TYPE_ARG234 ss, 
SELECT_TYPE_ARG234 ss2, tv);
-   if (result == 1) {
+   if (result = 1) {
/* 

Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2009-12-14 Thread Manfred Usselmann
On Mon, 14 Dec 2009 08:17:16 +0100
Manfred Usselmann usselman...@icg-online.de wrote:

 On Mon, 14 Dec 2009 00:23:17 -0500
 David Horn dhorn2...@gmail.com wrote:
 
  I believe that there is something unusual going on with the checking
  on select() return in ncftp3.  If you change every instance of
  select() result checking in ftp/ncftp3 from ==1 to =1 the problem
  seems to go away.
  
  result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
  SELECT_TYPE_ARG5 tv);
  -if (result == 1) {
  +if (result = 1) {
 
 I will try this.

Did work for me!

Thanks,
Manfred



-- 
Manfred Usselmann usselman...@icg-online.de
ICG IT Consulting GmbH, Kelkheim
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Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2009-12-14 Thread David Horn
On Mon, Dec 14, 2009 at 5:31 PM, Manfred Usselmann
usselman...@icg-online.de wrote:
 On Mon, 14 Dec 2009 08:17:16 +0100
 Manfred Usselmann usselman...@icg-online.de wrote:

 On Mon, 14 Dec 2009 00:23:17 -0500
 David Horn dhorn2...@gmail.com wrote:

  I believe that there is something unusual going on with the checking
  on select() return in ncftp3.  If you change every instance of
  select() result checking in ftp/ncftp3 from ==1 to =1 the problem
  seems to go away.
 
  result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
  SELECT_TYPE_ARG5 tv);
  -if (result == 1) {
  +if (result = 1) {

 I will try this.

 Did work for me!

 Thanks,
 Manfred

OK.   I will try to report it to the upstream (ncftp.com/contact), and
failing that we could always patch as part of the ncftp 3.2.3 update
into freebsd ports, but glad to hear it worked for you.

---Dave
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duplicity ftp backup / ncftp no longer working since 8.0-Release

2009-12-13 Thread Manfred Usselmann
Hi,

since my upgrade to 8.0-RELEASE my backup solution with duplicity is no
longer working because ncftpput fails.

The error message from ncftp 3.2.2_1: Could not read reply from control
connection -- timed out.

S.a. http://www.freebsd.org/cgi/query-pr.cgi?pr=140934

Does anybody know a solution or a workaround?

Thanks,
Manfred

-- 
Manfred Usselmann usselman...@icg-online.de
ICG IT Consulting GmbH, Kelkheim
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Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2009-12-13 Thread David Horn
On Sun, Dec 13, 2009 at 4:32 AM, Manfred Usselmann
usselman...@icg-online.de wrote:
 Hi,

 since my upgrade to 8.0-RELEASE my backup solution with duplicity is no
 longer working because ncftpput fails.

 The error message from ncftp 3.2.2_1: Could not read reply from control
 connection -- timed out.

 S.a. http://www.freebsd.org/cgi/query-pr.cgi?pr=140934

 Does anybody know a solution or a workaround?

I have seen this with ncftpput as well, but at least in my case, it
was a warning, and not a fatal error.  Check your ftp server to see if
the backup file has indeed been transferred.

I believe that there is something unusual going on with the checking
on select() return in ncftp3.  If you change every instance of
select() result checking in ftp/ncftp3 from ==1 to =1 the problem
seems to go away.

result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
SELECT_TYPE_ARG5 tv);
-if (result == 1) {
+if (result = 1) {

Good Luck.

---Dave H
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Re: duplicity ftp backup / ncftp no longer working since 8.0-Release

2009-12-13 Thread Manfred Usselmann
On Mon, 14 Dec 2009 00:23:17 -0500
David Horn dhorn2...@gmail.com wrote:

 On Sun, Dec 13, 2009 at 4:32 AM, Manfred Usselmann
 usselman...@icg-online.de wrote:
 
  since my upgrade to 8.0-RELEASE my backup solution with duplicity is no
  longer working because ncftpput fails.
 
  The error message from ncftp 3.2.2_1: Could not read reply from control
  connection -- timed out.
 
  S.a. http://www.freebsd.org/cgi/query-pr.cgi?pr=140934
 
  Does anybody know a solution or a workaround?
 
 I have seen this with ncftpput as well, but at least in my case, it
 was a warning, and not a fatal error.  Check your ftp server to see if
 the backup file has indeed been transferred.

The file is getting transferred, but duplicity assumes that it is not
and abends. 


 I believe that there is something unusual going on with the checking
 on select() return in ncftp3.  If you change every instance of
 select() result checking in ftp/ncftp3 from ==1 to =1 the problem
 seems to go away.
 
 result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 ss, NULL,
 SELECT_TYPE_ARG5 tv);
 -if (result == 1) {
 +if (result = 1) {

I will try this.

Thanks!

Manfred



-- 
Manfred Usselmann usselman...@icg-online.de
ICG IT Consulting GmbH, Kelkheim
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