March 2003 - openSUSE Programming - openSUSE Mailing Lists

Writing a web based front end to a DB
by Derek Fountain 28 Mar '03

28 Mar '03

I want to write a web based front end to a MySQL database. I would naturally use what I know - Perl and CGI, but that's a bit old hat these days. PHP4 might be a better idea (and it'd give me a chance to learn something new). However, I look at state of the art web applications like SourceForge et al, and can't help wondering how they're done. Server side scripting? Or some more recent technology which I should know about? -- "...our desktop is falling behind stability-wise and feature wise to KDE ...when I went to Mexico in December to the facility where we launched gnome, they had all switched to KDE3." - Miguel de Icaza, March 2003

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re[2]: [suse-programming-e] useradd
by Greg Freemyer 28 Mar '03

28 Mar '03

>> You might want to look into why Yast2 fails. Same basic problem. /etc/passwd+ is created, rename() fails. The below is part of strace -f yast2. [pid 21991] open("/etc/passwd+", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = 11 [pid 21991] umask(022) = 0777 [pid 21991] fchown32(0xb, 0, 0) = 0 [pid 21991] fchmod(11, 0644) = 0 [pid 21991] fstat64(11, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 [pid 21991] old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401eb000 [pid 21991] write(11, "root:x:0:0:root:/root:/bin/bash\n"..., 2396) = 2396 [pid 21991] fsync(11) = 0 [pid 21991] close(11) = 0 [pid 21991] munmap(0x401eb000, 4096) = 0 [pid 21991] rename("/etc/passwd+", "/etc/passwd") = -1 EBUSY (Device or resource busy) [pid 21991] open("/usr/share/locale/en_US/LC_MESSAGES/shadow.mo", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 21991] open("/usr/share/locale/en/LC_MESSAGES/shadow.mo", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 21991] write(2, "useradd: cannot rewrite password"..., 38) = 38 Greg

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re[2]: [suse-programming-e] useradd
by Greg Freemyer 27 Mar '03

27 Mar '03

I just tried Yast2 and it fails as well. I think I'll take a look at the useradd source. >> You should be able to use Yast2 as it simplifies it considerably, >> assuming you're not >> trying to create users programmatically. >> Greg Freemyer wrote: >> > >> > Linux Guru's, >> > >> > The way I want to setup my SuSE boxes, useradd is not working. >> > >> > I have /etc/passwd bound to /config/etc/passwd (ie. mount --bind >> .....). >> > >> > Doing a strace on useradd, I see it is failing because it creates >> /etc/passwd+ >> > with the new user, then attempts a rename(). >> > >> > In my case, the rename is failing. >> > >> > Does anyone know any pros/cons between me: >> > writing a shell script to use instead of useradd >> > getting the shadow srpm and changing useradd to work directly on >> > /etc/passwd >> > >> > If I write my own script, and there any files other than /etc/passwd, >> > /etc/shadow, and /etc/skel I need to worry about? >> > >> > Thanks >> > Greg >> > >> > >> > -- >> > To unsubscribe, email: suse-programming-e-unsubscribe(a)suse.com >> > For additional commands, email: suse-programming-e-help(a)suse.com >> > Archives can be found at: http://lists/archive/suse-programming-e >> -- >> To unsubscribe, email: suse-programming-e-unsubscribe(a)suse.com >> For additional commands, email: suse-programming-e-help(a)suse.com >> Archives can be found at: http://lists/archive/suse-programming-e

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useradd
by Greg Freemyer 27 Mar '03

27 Mar '03

Linux Guru's, The way I want to setup my SuSE boxes, useradd is not working. I have /etc/passwd bound to /config/etc/passwd (ie. mount --bind .....). Doing a strace on useradd, I see it is failing because it creates /etc/passwd+ with the new user, then attempts a rename(). In my case, the rename is failing. Does anyone know any pros/cons between me: writing a shell script to use instead of useradd getting the shadow srpm and changing useradd to work directly on /etc/passwd If I write my own script, and there any files other than /etc/passwd, /etc/shadow, and /etc/skel I need to worry about? Thanks Greg

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RE: [suse-programming-e] looping through **environ?
by Hallingstad Håkon 25 Mar '03

25 Mar '03

The ADDRESS environ is represented by four bytes on your architecture. So sizeof(environ)==4, which explains your observation of only four iterations of the loop. To loop through the environ variables correctly, you should use something like for (i=0; environ[i]!=NULL; ++i) {...} -----Original Message----- From: Steven T. Hatton [mailto:hattons@globalsymmetry.com] Sent: 25. mars 2003 09:59 To: suse-programming-e(a)suse.com Subject: [suse-programming-e] looping through **environ? Someone provided me this sample code getting the **environ variable from the system and displaying it. It doesn't seem to work correctly. the body of the for-loop executes four times. I believe there is far more data available than that. Am I correct in that assumption? If so, why is this code not getting it all. It's been ages since I wrote any C/C++, and I was never fluent in these languages. I recall that working with pointers can be tricky. By the example on 58 of Ellis & Stroustrup I am lead to believe the code below should work. Any suggestions? #include <qapplication.h> #include <qlabel.h> #include "text_display.h" extern char **environ; unsigned int i; QObject *label; QString environString = "This is the process environment.\n"; int main( int argc, char ** argv ) { QApplication a( argc, argv ); textDisplayWidget *w = new textDisplayWidget; label = w->child("TextLabel"); for(i=0; i<(sizeof(environ)); i++) { environString.append("(QString)environ[i]"); environString.append("\n"); } ((QLabel*)label)->setText(environString); w->show(); a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) ); return a.exec(); } -- To unsubscribe, email: suse-programming-e-unsubscribe(a)suse.com For additional commands, email: suse-programming-e-help(a)suse.com Archives can be found at: http://lists/archive/suse-programming-e

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looping through **environ?
by Steven T. Hatton 25 Mar '03

25 Mar '03

Someone provided me this sample code getting the **environ variable from the system and displaying it. It doesn't seem to work correctly. the body of the for-loop executes four times. I believe there is far more data available than that. Am I correct in that assumption? If so, why is this code not getting it all. It's been ages since I wrote any C/C++, and I was never fluent in these languages. I recall that working with pointers can be tricky. By the example on 58 of Ellis & Stroustrup I am lead to believe the code below should work. Any suggestions? #include <qapplication.h> #include <qlabel.h> #include "text_display.h" extern char **environ; unsigned int i; QObject *label; QString environString = "This is the process environment.\n"; int main( int argc, char ** argv ) { QApplication a( argc, argv ); textDisplayWidget *w = new textDisplayWidget; label = w->child("TextLabel"); for(i=0; i<(sizeof(environ)); i++) { environString.append("(QString)environ[i]"); environString.append("\n"); } ((QLabel*)label)->setText(environString); w->show(); a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) ); return a.exec(); }

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Web hit counter program with PHP
by Prabu Subroto 24 Mar '03

24 Mar '03

Dear my friends... I am writing a program to count how many time my homepage has been visited with PHP. The algorithm is: " if the visitor doesn't have the cookies, that means he/she just visited my homepage after the last time he/she close his/her internet browser. So I open my file which located in the directory of my homepage to read and increased the value inside it once. " I am using SuSE Linux 8.1 and PHP 4.2.2. But I'm stucked with these error message: " Warning: fopen("ngitung.txt", "w") - Permission denied in /srv/www/htdocs/iamsoft/isimuka.php on line 9 Warning: fwrite(): supplied argument is not a valid File-Handle resource in /srv/www/htdocs/iamsoft/isimuka.php on line 10 Warning: fclose(): supplied argument is not a valid File-Handle resource in /srv/www/htdocs/iamsoft/isimuka.php on line 11 Warning: fopen("ngitung.txt", "r") - No such file or directory in /srv/www/htdocs/iamsoft/isimuka.php on line 13 Warning: fread(): supplied argument is not a valid File-Handle resource in /srv/www/htdocs/iamsoft/isimuka.php on line 14 Warning: fclose(): supplied argument is not a valid File-Handle resource in /srv/www/htdocs/iamsoft/isimuka.php on line 16 Warning: fopen("ngitung.txt", "w") - Permission denied in /srv/www/htdocs/iamsoft/isimuka.php on line 18 Warning: fwrite(): supplied argument is not a valid File-Handle resource in /srv/www/htdocs/iamsoft/isimuka.php on line 19 Warning: fclose(): supplied argument is not a valid File-Handle resource " Any body would be so nice to help me? Please tell me what should I do. Here is my code: " <HTML> <BODY bgcolor="white"><CENTER><IMG SRC="gambar/LogoI(a)m.jpg" border="0"></CENTER> <?PHP if (!isset($tamunyaiamsoft)){ $berkastamu = "ngitung.txt"; if (!file_exists($berkastamu)){ $bukafile = fopen($berkastamu, "w"); fwrite($bukafile, "1"); fclose($bukafile); } $bukafile = fopen($berkastamu, "r"); $urut = fread($bukafile, 5); echo $urut; fclose($bukafile); $urut++; $bukafile = fopen($berkastamu, "w"); fwrite($bukafile, $urut); fclose($bukafile); if (!isset($OK)){ header("Location: $PHP_SELF"."?OK=1"); exit; } } ?> <CENTER><IMG SRC="gambar/banner.gif" border="0"></CENTER> <CENTER><H1>Under construction for "i@m"</H1></CENTER> <CENTER> <?PHP if (isset($tamunyaiamsoft)){ echo "$tamunyaiamsoft.visitors since March 24, 2003.\n"; } ?> </CENTER> <CENTER> Best viewed with : Mozilla and Konqueror Browsers. Resolutions : 1024 x 728. Please enable cookies, JavaScript and JavaApplet on your browser. </CENTER> </BODY> </HTML> " Thank you very much in advance. __________________________________________________ Do you Yahoo!? Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your desktop! http://platinum.yahoo.com

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Re: [suse-programming-e] How to add a new feature to KMail
by shredsys 19 Mar '03

19 Mar '03

I have verified your answer: I don't see the "Mark selected Message as Read after..." option! I'm using the KMail's version included into standard SuSE 8.1 package. Massimiliano > On Tuesday 18 March 2003 11:27 am, Massimiliano Calamelli wrote: > > Hello, I'm Massimiliano, an italian SuSE user. > > I wish to add a new feature to KMail (when I click over a message I don't > > want that the program changes the message status to "read"). > > How to do it? > > I have downloaded kdenetwork's source tree from kde.org, and I wish to use > > KDevelop to do it, but I don't know the right sequence to start. > > Can anyone help me? > > > > Massimiliano > > > > PS: I'm sorry for my english... > > > > > > > > -- > > Prendi GRATIS l'email universale che... risparmia: http://www.email.it/f > > > > Sponsor: > > Solo con QXservice contatti l'elettricista, l'imbianchino, la baby si t ter > > più vicini a te. collegati a QXservice, mille artigiani professionisti al > > tuo servizio. > > Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=536&d=18-3 > > Not sure if I understand properly, but that feature can be turned off in > KMail. > From the menu bar select Settings->Configure KMail->Folders and then uncheck > the "Mark selected Message as Read after..." option. > > Then your messages will not change once selected. > Is this what you are wanting? > > -- > D.C. > > > -- > To unsubscribe, email: suse-programming-e-unsubscribe(a)suse.com > For additional commands, email: suse-programming-e-help(a)suse.com > Archives can be found at: http://lists/archive/suse-programming-e > > -- Prendi GRATIS l'email universale che... risparmia: http://www.email.it/f Sponsor: Non capite un cavolo di borsa? Investite nella zucca. Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=665&d=19-3

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re my bash script problems
by Veronica Hernandez 19 Mar '03

19 Mar '03

First, let me thank all of you for your input and interest in my problem. I will look into our implementation of Apache and where it is expecting cgi. I haven't even begun to troubleshoot the web interface issue yet as my script fails outright when it is called as a script from the command line. The more baffling question is why my script does not execute as a script from the command line in a shell session when it will execute if I do a copy and paste of each line of code. Regardeing permissions, the results do not change even when I give global permissions for everything (I know, unwise, but just did it to test) Here is my code: #!/bin/bash counter=1 outfile=/usr/local/httpd/htdocs/veronica/test if [ -s $outfile ] ; then read counter < $outfile counter=$counter+1 fi echo $counter >/usr/local/httpd/htdocs/veronica/test echo done It is embarrassingly simple, I admit, but could it be the code itself? I don't get any syntax errors when I run it line by line, but it sure does not work when I call it from the command line. Thanks again.

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RE: [suse-programming-e] bash script
by Jonathan Cowherd 19 Mar '03

19 Mar '03

Actually, I'm wrong. You were able to do so because you were root. If you do it as a non-root user, then it will fail: jonathan@jaguar:~/public_html> l total 20 drwxr-xr-x 4 jonathan users 4096 2003-03-18 17:08 ./ drwxr-xr-x 56 jonathan users 4096 2003-03-18 18:32 ../ -rw-r--r-- 1 jonathan users 48 2002-11-09 11:50 .directory drw-r--r-- 2 jonathan users 4096 2003-03-18 18:32 cgi-bin/ drwxr-xr-x 3 jonathan users 4096 2002-11-25 15:15 slugtalk/ jonathan@jaguar:~/public_html> ./cgi-bin/test.sh -bash: ./cgi-bin/test.sh: Permission denied jonathan@jaguar:~/public_html> sudo ./cgi-bin/test.sh Password: execute. jonathan@jaguar:~/public_html> Jonathan Paul Cowherd Linux and Java Administrator Genscape, Inc. Email: jonathan.cowherd(a)genscape.com Office: (502) 583-3730 Mobile: (502) 314-0444 > -----Original Message----- > From: Christopher Mahmood [mailto:ckm@suse.com] > Sent: Tuesday, March 18, 2003 6:36 PM > To: 'suse-programming-e(a)suse.com' > Subject: Re: [suse-programming-e] bash script > > > * Jesse Marlin (jlm(a)compgen.com) [030318 15:25]: > > Yes, but the directory also needs to be executable to execute. Try > > creating a file in a directory that has the execute bit on > then turn > > it off. > > No, Jonathan is correct. E.g., > > hades:/tmp # whoami > root > hades:/tmp # mkdir test > hades:/tmp # echo -e '#!/bin/sh\necho hello\n' > test/1 > hades:/tmp # chmod +x test/1 hades:/tmp # chmod 600 test > hades:/tmp # l -d test > drw------- 2 root root 72 Mar 18 15:34 test/ > hades:/tmp # test/1 > hello > > -- > > -ckm > > -- > To unsubscribe, email: suse-programming-e-unsubscribe(a)suse.com > For additional commands, email: > suse-programming-e-help(a)suse.com Archives can be found at: http://lists/archive/suse-programming-e

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