version 1.4, 2002/09/05 17:36:39
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version 1.5, 2002/09/05 18:09:54
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Line 70 else
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Line 70 else
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# =================================================== GENERAL INITIAL VARIABLES |
# =================================================== GENERAL INITIAL VARIABLES |
# ---------------- The FTP servers (and their directory paths) to check against |
# ---------------- The FTP servers (and their directory paths) to check against |
my @serverpaths_to_try=( |
my @serverpaths_to_try = |
'mirror.pa.msu.edu/linux/redhat/linux/updates/', |
( |
'rufus.w3.org/linux/redhat/linux/updates/', |
'mirror.pa.msu.edu/linux/redhat/linux/updates/', |
'distro.ibiblio.org/pub/linux/distributions/redhat/updates/', |
'rufus.w3.org/linux/redhat/linux/updates/', |
'limestone.uoregon.edu/redhat/updates/', |
'distro.ibiblio.org/pub/linux/distributions/redhat/updates/', |
'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/', |
'limestone.uoregon.edu/redhat/updates/', |
); |
'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/', |
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); |
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# --------------------------------------------------- Determine RedHat version. |
# --------------------------------------------------- Determine RedHat version. |
my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4]; # - 6.2 or 7.3 or ? |
my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4]; # - 6.2 or 7.3 or ? |
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# ------------------------------------------- Use check-rpms command this way. |
# ------------------------------------------- Use check-rpms command this way. |
my $checkcommand='check-rpms '.$download.' --rpmuser www -ftp'; |
my $checkcommand = 'check-rpms '.$download.' --rpmuser www -ftp'; |
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my $FTPSERVER; # ------------------------- the server portion of the serverpath |
my $FTPSERVER; # ------------------------- the server portion of the serverpath |
my $FTPUPDATES; # ----------------------------- the actual update root location |
my $FTPUPDATES; # ----------------------------- the actual update root location |
Line 91 my $goodoutput; # ----------------------
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Line 92 my $goodoutput; # ----------------------
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my $reallygoodoutput; # ------------------------------- you are 100% up-to-date |
my $reallygoodoutput; # ------------------------------- you are 100% up-to-date |
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# ----------------------------------------- Find the check-rpms script location |
# ----------------------------------------- Find the check-rpms script location |
if (-e './check-rpms') { |
if (-e './check-rpms') |
$commandpre='perl ./'; |
{ |
} |
$commandpre='perl ./'; # Use the check-rpms in the current directory. |
elsif (-e 'loncom/build/check-rpms') { |
} |
$commandpre='perl loncom/build/'; |
elsif (-e 'loncom/build/check-rpms') |
} |
{ |
else { |
$commandpre='perl loncom/build/'; # Use check-rpms int he loncom/build dir. |
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} |
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else # Cannot find check-rpms, so abort. |
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{ |
die("**** ERROR **** CANNOT FIND THE check-rpms SCRIPT\n"); |
die("**** ERROR **** CANNOT FIND THE check-rpms SCRIPT\n"); |
} |
} |
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$checkcommand=$commandpre.$checkcommand; |
# Define the overall check-rpms invocation based on the path to the check-rpms |
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# command. |
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$checkcommand = $commandpre.$checkcommand; |
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# =============== Go through all the servers until a decent connection is found |
# ============== Go through all the servers until a decent connection is found. |
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# Notify user of current action. |
print(<<END); |
print(<<END); |
THIS SCRIPT IS NOW PROBING SEVERAL FTP SERVERS.... |
THIS SCRIPT IS NOW PROBING SEVERAL FTP SERVERS.... |
PLEASE BE PATIENT, THIS MAY TAKE A FEW MINUTES. |
PLEASE BE PATIENT, THIS MAY TAKE A FEW MINUTES. |
END |
END |
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SERVERLOOP: foreach my $serverpath (@serverpaths_to_try) { |
SERVERLOOP: foreach my $serverpath (@serverpaths_to_try) |
$serverpath=~/^(.*?)\//; |
{ |
$FTPSERVER=$1; |
$serverpath=~/^(.*?)\//; # Pattern match the ip name. |
print "Trying $FTPSERVER...\n"; |
$FTPSERVER=$1; # Set to the ip name. |
`ping -c 1 $FTPSERVER 2>/dev/null`; |
print "Trying $FTPSERVER...\n"; # Notify user of attempts with the ip name. |
if ($?==0) { |
`ping -c 1 $FTPSERVER 2>/dev/null`; # Ping ftp server (are you out there?). |
print "$FTPSERVER found...\n"; |
if ($?==0) # If the ftp server can be pinged. |
`ncftpls ftp://$FTPSERVER`; |
{ |
if ($?==0) { |
print "$FTPSERVER found...\n"; # Tell user the ftp server is found. |
$FTPUPDATES="$serverpath$RHversion/en/os"; |
`ncftpls ftp://$FTPSERVER`; # Try to access server with ftp protocol. |
print "$checkcommand $FTPUPDATES\n"; |
if ($?==0) # If the ftp server can be accessed with the ftp protocol. |
if ($download) { |
{ |
$|=1; |
$FTPUPDATES="$serverpath$RHversion/en/os"; # The full update path. |
print `$checkcommand $FTPUPDATES 2>\&1`; |
# Print the check-rpms command that will be executed. |
exit(0); |
print($checkcommand.' '.$FTPUPDATES."\n"); |
} |
if ($download) # Was CHECKRPMS run in download mode? |
@rpms=`$checkcommand $FTPUPDATES 2>\&1`; |
{ |
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$|=1; # Try to send things immediately to stdout; err umm.... |
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# Tell the user about the /tmp/loncapa_rpm_updates directory. |
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print('**** NOTE ****'. |
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'To check the status of the download, you can '. |
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'periodically inspect the contents of the '. |
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'/tmp/loncapa_rpm_updates directory. '. |
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'Please be patient; this download may take a while.'. |
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"\n"); |
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# Do the download. |
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print(`$checkcommand $FTPUPDATES 2>\&1`); |
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# Tell the user about what action they need to take with the |
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# downloaded RPMs. |
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print('You may now wish to visit the /tmp/loncapa_rpm_updates'. |
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' directory and upgrade the RPMs. '."\n". |
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'If this is a critical server (it is currently being'. |
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' used for classes) and you do not know how to upgrade'. |
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' RPMs, you should consult someone who has experience '. |
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'with the "rpm" command.'."\n"); |
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exit(0); # Assume everything is okay and exit. |
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} |
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@rpms=`$checkcommand $FTPUPDATES 2>\&1`; # Read in list of RPMs. |
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# Create a text string that can be pattern matched. |
my $rpmtext=join('',@rpms); |
my $rpmtext=join('',@rpms); |
if ($rpmtext=~/You do not seem to have a/) { |
if ($rpmtext=~/You do not seem to have a/) # No www? |
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{ |
print "You do not have a 'www' user on your system.\n". |
print "You do not have a 'www' user on your system.\n". |
"Please add this user and try this command again.\n"; |
"Please add this user and try this command again.\n"; |
exit(1); |
exit(1); |
} |
} |
if ($rpmtext=~/This account is currently not/) { # ---------- uh-oh |
if ($rpmtext=~/This account is currently not/) # ------------ uh-oh |
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{ |
print "...strange error, moving on ($FTPSERVER)\n"; |
print "...strange error, moving on ($FTPSERVER)\n"; |
} |
} |
else { # ------------------------------------- the output is "good" |
else # --------------------------------------- the output is "good" |
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{ |
$goodoutput=$rpmtext; |
$goodoutput=$rpmtext; |
unless (@rpms) { |
unless (@rpms) # If there are no RPMs to update. |
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{ |
$reallygoodoutput=<<END; |
$reallygoodoutput=<<END; |
**** NOTE **** All RPMS on your system appear to be up to date. |
**** NOTE **** All RPMS on your system appear to be up to date. |
END |
END |
} |
} |
last SERVERLOOP; |
last SERVERLOOP; |
} |
} |
} |
} |
print "...cannot establish an ftp session with $FTPSERVER\n"; |
print('...cannot establish an ftp session with '.$FTPSERVER."\n"); |
} |
} |
else { |
else |
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{ |
print "...cannot find $FTPSERVER on the network\n"; |
print "...cannot find $FTPSERVER on the network\n"; |
} |
} |
} |
} |
if (!$goodoutput) { |
if (!$goodoutput) # If never received any useable output, assume "no server". |
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{ |
print "**** ERROR **** Cannot find a working ftp server.\n"; |
print "**** ERROR **** Cannot find a working ftp server.\n"; |
exit(1); |
exit(1); |
} |
} |
elsif ($reallygoodoutput) { |
elsif ($reallygoodoutput) # Everything is peachy keen and up-to-date already. |
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{ |
print $reallygoodoutput; |
print $reallygoodoutput; |
} |
} |
else { |
else # There are RPMs that need to be updated; show list to user. |
my $rpmcount=scalar(@rpms); |
{ |
print(<<END); |
my $rpmcount=scalar(@rpms); # Count up size of RPM list. |
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print(<<END); # Print out an advisory warning to user. |
**** WARNING **** You need to update at least $rpmcount RPMS shown in |
**** WARNING **** You need to update at least $rpmcount RPMS shown in |
the list below. THIS IS IMPORTANT FOR SECURITY. |
the list below. THIS IS IMPORTANT FOR SECURITY. |
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END |
END |
print $goodoutput; |
print $goodoutput; # Output the RPM list. |
print(<<END); |
print(<<END); # Output instructions to user about taking action. |
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Please visit ftp://$FTPUPDATES |
Please visit ftp://$FTPUPDATES |
and download the RPMS you need. |
and download the RPMS you need. |
Line 175 visit http://www.rpm.org/max-rpm/.
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Line 212 visit http://www.rpm.org/max-rpm/.
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To automatically download these RPMs to /tmp/loncapa_rpm_updates/, |
To automatically download these RPMs to /tmp/loncapa_rpm_updates/, |
run the CHECKRPMS command as "./CHECKRPMS --download" |
run the CHECKRPMS command as "./CHECKRPMS --download" |
END |
END |
} |
} |