Re: C code rule modifying

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Actually no compile errors whatsoever. Not at computer at the momment so can't try the character w. Ming original email was for advice on how to change the rules, it did spin off to a debug my code post,I apologize. Thank you all for the help

Sent from my iPhone.

On Apr 21, 2008, at 20:46, "Ming-Ching Tiew" <mingching.tiew@xxxxxxxxxxx> wrote:

Charles Romestant wrote:
Ok im trying to add the rule to a table named charz, here is the code
:

char *command;
       FILE *fp = popen("/sbin/iptables",'w');
       if (fp==NULL){
       printf("\nerror opening pipe\n");
       return -1;
       }else{
       sprintf(command,"-A charz -p tcp --dport %s --source %s -j
%s\0",port,currentIp,action2);
       printf("\n\n\n%s\n\n\n",command);
       fwrite(command,strlen(command),1,fp);
       pclose(fp);



Oh my, this is not netfilter at all ! Please post it to C programming
for beginners please ! There are quite a few bugs in these few lines,
the compiler would already have warned you !



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