From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Ming-Ching Tiew" <mingching.tiew@redtone.com>
Subject: Re: C code rule modifying
Date: Tue, 22 Apr 2008 09:16:19 +0800
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References: <5078d3df0804211505u2ab2c584o9e27fdae1a3fdb82@mail.gmail.com> <alpine.LNX.1.10.0804220041330.13697@fbirervta.pbzchgretzou.qr> <5078d3df0804211613o3213bdeege5054ff95e558d51@mail.gmail.com>
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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 !