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    icon2.gif   Re: Imagemagick not working on Ubuntu, posted by Konstantin Olchanski on Thu Apr 25 02:11:08 2024 
Please see https://daq00.triumf.ca/DaqWiki/index.php/Ubuntu#Enable_elog_PDF_preview

see https://stackoverflow.com/questions/52998331/imagemagick-security-policy-pdf-blocking-conversion

xemacs -nw /etc/ImageMagick-6/policy.xml
remove this section at the end:
<!-- disable ghostscript format types -->
<policy domain="coder" rights="none" pattern="PS" />
<policy domain="coder" rights="none" pattern="PS2" />
<policy domain="coder" rights="none" pattern="PS3" />
<policy domain="coder" rights="none" pattern="EPS" />
<policy domain="coder" rights="none" pattern="PDF" />
<policy domain="coder" rights="none" pattern="XPS" />

K.O.
icon4.gif   elog sprintf() buffer overflows on ubuntu-22, posted by Konstantin Olchanski on Wed May 15 01:07:12 2024 
I get the following compiler warnings about sprintf() buffer overflows. I suggest sprintf() should be replaced by std::string msprintf() from 
midas. K.O.

iris00:~/packages> git clone https://bitbucket.org/ritt/elog --recursive
Cloning into 'elog'...
remote: Enumerating objects: 18297, done.
remote: Counting objects: 100% (18297/18297), done.
remote: Compressing objects: 100% (7710/7710), done.
remote: Total 18297 (delta 11462), reused 16637 (delta 10243), pack-reused 0 (from 0)
Receiving objects: 100% (18297/18297), 14.56 MiB | 17.14 MiB/s, done.
Resolving deltas: 100% (11462/11462), done.
Submodule 'mxml' (https://bitbucket.org/tmidas/mxml) registered for path 'mxml'
Cloning into '/home/iris/packages/elog/mxml'...
remote: Enumerating objects: 356, done.        
remote: Counting objects: 100% (356/356), done.        
remote: Compressing objects: 100% (242/242), done.        
remote: Total 356 (delta 162), reused 265 (delta 112), pack-reused 0 (from 0)        
Receiving objects: 100% (356/356), 85.65 KiB | 10.71 MiB/s, done.
Resolving deltas: 100% (162/162), done.
Submodule path 'mxml': checked out '4d4b4cf17bec323a76b8a87605efec6a4822bebf'
iris00:~/packages> cd elo
elog/      elog-2012/ 
iris00:~/packages> cd elog
iris00:~/packages/elog> make
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -c -o mxml.o mxml/mxml.cxx
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -w -c -o crypt.o 
src/crypt.cxx
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -c -o strlcpy.o 
mxml/strlcpy.cxx
type git &> /dev/null; if [ $? -eq 1 ]; then REV="unknown" ;else REV=`git log -n 1 --pretty=format:"%ad - %h"`; fi; echo \#define GIT_REVISION 
\"$REV\" > src/git-revision.h
git is /bin/git
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -o elog src/elog.cxx 
mxml.o crypt.o strlcpy.o -lssl
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -w -c -o auth.o 
src/auth.cxx
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -o elogd src/elogd.cxx 
auth.o mxml.o crypt.o strlcpy.o -lssl
src/elogd.cxx: In function ‘int el_submit(LOGBOOK*, int, BOOL, const char*, char (*)[1500], char (*)[1500], int, const char*, const char*, const 
char*, const char*, const char (*)[256], BOOL, const char*, const char*)’:
src/elogd.cxx:4960:47: warning: ‘%s’ directive writing up to 149999 bytes into a region of size between 100103 and 250102 [-Wformat-overflow=]
 4960 |       sprintf(message + strlen(message), "%s: %s\n", attr_name[i], attrib[i]);
      |                                               ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 4 and 300002 bytes into a destination of size 
250104
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx: In function ‘void show_edit_form(LOGBOOK*, int, BOOL, BOOL, BOOL, BOOL, BOOL, BOOL)’:
src/elogd.cxx:9659:28: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3993 [-Wformat-overflow=]
 9659 |       sprintf(str, "Preset %s", attr_list[index]);
      |                            ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 8 and 150007 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9680:43: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3978 [-Wformat-overflow=]
 9680 |       sprintf(str, "Preset on first reply %s", attr_list[index]);
      |                                           ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 23 and 150022 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9701:37: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3984 [-Wformat-overflow=]
 9701 |       sprintf(str, "Preset on reply %s", attr_list[index]);
      |                                     ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 17 and 150016 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9701:37: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3984 [-Wformat-overflow=]
 9701 |       sprintf(str, "Preset on reply %s", attr_list[index]);
      |                                     ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 17 and 150016 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9701:37: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3984 [-Wformat-overflow=]
 9701 |       sprintf(str, "Preset on reply %s", attr_list[index]);
      |                                     ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 17 and 150016 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9701:37: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3984 [-Wformat-overflow=]
 9701 |       sprintf(str, "Preset on reply %s", attr_list[index]);
      |                                     ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 17 and 150016 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9721:36: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3985 [-Wformat-overflow=]
 9721 |       sprintf(str, "Preset on edit %s", attr_list[index]);
      |                                    ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 16 and 150015 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9741:41: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3980 [-Wformat-overflow=]
 9741 |       sprintf(str, "Preset on duplicate %s", attr_list[index]);
      |                                         ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 21 and 150020 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9762:22: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3999 [-Wformat-overflow=]
 9762 |       sprintf(str, "p%s", attr_list[index]);
      |                      ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 2 and 150001 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9780:31: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3993 [-Wformat-overflow=]
 9780 |          sprintf(str, "Preset %s", attr_list[index]);
      |                               ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 8 and 150007 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9801:40: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3984 [-Wformat-overflow=]
 9801 |          sprintf(str, "Preset on reply %s", attr_list[index]);
      |                                        ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 17 and 150016 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:9821:44: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 3980 [-Wformat-overflow=]
 9821 |          sprintf(str, "Preset on duplicate %s", attr_list[index]);
      |                                            ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 21 and 150020 bytes into a destination of size 
4000
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx: In function ‘void show_elog_list(LOGBOOK*, int, int, int, BOOL, char*)’:
src/elogd.cxx:20448:43: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 1587 [-Wformat-overflow=]
20448 |                sprintf(str, "Icon comment %s", attrib[i]);
      |                                           ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 14 and 150013 bytes into a destination of size 
1600
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:20495:33: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 1600 [-Wformat-overflow=]
20495 |                   sprintf(str, "%s_%d", attr_list[i], j);
      |                                 ^~
src/elogd.cxx:20495:32: note: directive argument in the range [0, 99]
20495 |                   sprintf(str, "%s_%d", attr_list[i], j);
      |                                ^~~~~~~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 3 and 150003 bytes into a destination of size 
1600
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:20459:33: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 1600 [-Wformat-overflow=]
20459 |                   sprintf(str, "%s_%d", attr_list[i], j);
      |                                 ^~
src/elogd.cxx:20459:32: note: directive argument in the range [0, 99]
20459 |                   sprintf(str, "%s_%d", attr_list[i], j);
      |                                ^~~~~~~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 3 and 150003 bytes into a destination of size 
1600
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:21041:30: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 1600 [-Wformat-overflow=]
21041 |                sprintf(str, "%s_%d", attr_list[i], j);
      |                              ^~
src/elogd.cxx:21041:29: note: directive argument in the range [0, 99]
21041 |                sprintf(str, "%s_%d", attr_list[i], j);
      |                             ^~~~~~~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 3 and 150003 bytes into a destination of size 
1600
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:21527:45: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 1588 [-Wformat-overflow=]
21527 |                   sprintf(str, "Time format %s", attr_list[i]);
      |                                             ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 13 and 150012 bytes into a destination of size 
1600
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx:21512:45: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 1588 [-Wformat-overflow=]
21512 |                   sprintf(str, "Date format %s", attr_list[i]);
      |                                             ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 13 and 150012 bytes into a destination of size 
1600
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
src/elogd.cxx: In function ‘void submit_elog(LOGBOOK*)’:
src/elogd.cxx:23282:38: warning: ‘%s’ directive writing up to 149999 bytes into a region of size 2034 [-Wformat-overflow=]
23282 |          sprintf(str, "Subst on edit %s", attr_list[index]);
      |                                      ^~
In file included from /usr/include/stdio.h:894,
                 from src/elogd.h:42,
                 from src/elogd.cxx:38:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 15 and 150014 bytes into a destination of size 
2048
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
c++ -O3 -funroll-loops -fomit-frame-pointer -W -Wall -Wno-deprecated-declarations -Wno-unused-result -Imxml -DHAVE_SSL -o elconv src/elconv.cxx -
lssl
iris00:~/packages/elog> git log
commit 2eba8869bb72561f3f19f9b675ec74ba738f2443 (HEAD -> master, origin/master, origin/HEAD)
Author: Stefan Ritt <stefan.ritt@psi.ch>
Date:   Fri May 3 16:04:21 2024 +0200

    Removed unused variables

commit 8f942d1d18cc7d4d9b12f049dfd67284e3289963
Author: Stefan Ritt <stefan.ritt@psi.ch>
Date:   Fri May 3 15:50:17 2024 +0200

    Disabled attachment file retrieval to prevent poxy mis-use

commit 3020557a2b52cc9c460b80313c7c61c3ee014896
Author: Stefan Ritt <stefan.ritt@psi.ch>
Date:   Tue Apr 16 13:29:35 2024 +0200

    Fixed typos

commit 3876ffa2cc22a355cad8da642cb6f5a35884597a
Author: Stefan Ritt <stefan.ritt@psi.ch>
Date:   Mon Apr 15 18:04:52 2024 +0200

    Fixed line break

commit a644db7f2c14210e8014dc2a3dc9960e1382ccc1
Author: Stefan Ritt <stefan.ritt@psi.ch>
Date:   Mon Apr 15 18:00:54 2024 +0200

    Updated MacOSX command

commit fe60aaf0c41dcfafa50042e415f576faf82b1d4b
Author: Stefan Ritt <stefan.ritt@psi.ch>
Date:   Thu Mar 14 21:17:01 2024 +0100

    Fixed wrong number of attachments display

Broken pipe
iris00:~/packages/elog> 
    icon2.gif   Re: Probleme TLS, posted by Konstantin Olchanski on Mon Dec 9 21:55:53 2024 
What Stefan meant to say is that Elog does not implement sending email using encrypted SMTP over TLS.

In theory it could be implemented, but if you try to use it, you may find that most
destinations will reject you unless you have configured correct SPF records.

https://en.wikipedia.org/wiki/Sender_Policy_Framework

Even if you do everything right, joints like gmail may still reject you because
their AI decides you are a spammer, or just because they do not like you, and good
luck making them change their mind.

At TRIUMF, we configure elog to use unencrypted and unauthenticated SMTP
to smtp.triumf.ca, which has special rules to accept our email (no questions asked),
and our Microsoft email instance is configured to accept and forward email from
smpt.triumf.ca. Everything is done right, but we still see Fermilab's Microsoft
rejecting TRIUMF's Microsoft email once in a while.

K.O.
    icon2.gif   Re: no availability of el8 and el9 rpm, posted by Konstantin Olchanski on Tue Dec 10 19:23:32 2024 
> People are keeping me asking for a Windows installer

My Windows-11 laptop may free up in January and I could look at builds of elog and midas, but I know nothing about making Windows installers...

K.O.
    icon2.gif   Re: Host ELOG on Raspberry Pi for small lab, posted by Konstantin Olchanski on Fri Mar 21 23:51:08 2025 
> is there an instruction document how to exacly host the ELOG on a server for example a raspberry pi?

would be same as on any other linux machine, in the nutshell:

- install generic raspbian (R-12 is current version)
- setup the network
- setup apache2 https with automatic https certificate renewal using certbot
- setup apache2 redirect to elogd port 8080
- setup elogd on port localhost:8080

some of this is written up here:
https://daq00.triumf.ca/DaqWiki/index.php/Ubuntu#Install_apache_httpd_proxy_for_midas_and_elog

in theory you can run elogd without apache https proxy, but I find computer security
people are quite happy when I tell them that I run apache https with SSLlabs score "A+".

also I believe elogd does not support automatic https certificate renewal, running
it behind apache https solves that.

another consideration, specifically for RaspberryPi, they use SD flash for storage,
and unlike SATA and NVMe SSDs, SD flash does not have SMART to report flash read,
write and wear-out problems. So you may run into unexpected SD flash failures. We do.

do daily/hourly rsync to backup/archive storage to avoid total data loss if this happens.

also be aware that SD flash is very slow, compared to normal PC SSDs. read speed is not too
bad, but write speed is quite abysmal.

as solution to this, RPi5 can have a PCIe/NVMe dongle, you can try that instead of SD flash.

K.O.
    icon2.gif   Re: large attachment seems to hang elogd?, posted by Konrad Klimaszewski on Thu Oct 25 09:43:52 2007 
Hello,

I'm observing the same behavior with ELOG V2.6.5-1844.

Is there a fix for this?

Best Regards,
Konrad
    icon2.gif   Re: large attachment seems to hang elogd?, posted by Konrad Klimaszewski on Mon Nov 5 14:00:56 2007 
Hi,


Jacky Li wrote:
Ok,

I noticed that the email notification got two copies of the attached files to elog post. It looks like the cause is
between elog and the mail server. When there is email notification, the attachement is sent along to the mail server and that's taking a long time and there are two copies of the attachment.


Jacky Li wrote:
Hi,

I did more testing..if I suppress email notification, it is fast. There is something wrong there.



Indeed I can confirm that without email notification it's blazing fast. I haven't observed attachments being send twice. Though I got two indentical entries in the elog.

On my box I'm using sendmail. Until there is some fix in the way elog comunicates with mailer (if it is possible that is) could we have an option to suppress sending attachments in email notification?

Best Regards,
Konrad
    icon2.gif   Re: large attachment seems to hang elogd?, posted by Konrad Klimaszewski on Mon Nov 5 14:15:55 2007 

Stefan Ritt wrote:

Konrad Klimaszewski wrote:
Until there is some fix in the way elog comunicates with mailer (if it is possible that is) could we have an option to suppress sending attachments in email notification?


There is such an option:
Email format = 47

This tells elog to send email notifications without attachments. Anyhow I would not recommend to send big attachments as emails, since most email systems won't allow you that. Since the attachments are base64 encoded, the encoding can also take quite a long time.


Great Smile. I missed this one while digging through documentation.
Maybe you could consider setting as default:
Email format = 111

Cheers,
Konrad
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