[pso] [tema4][linux]citire porturi

[Catalin Morosan]

Salut.

In hook-ul de in am asa ceva:

struct sk_buff *sb = *skb;
struct tcphdr *tcph = (struct tcphdr *) (sb -> data + iph -> ihl * 4);
unsigned int port_src, port_dst;
port_src = tcph -> source;
port_dst = tcph -> dest;
printk("port_src=%d", ntohs(port_src));
printk("port_dst=%d", ntohs(port_dst));

Problema e ca niciodata nu imi da la vreun port valoarea 22 care ar trebui.. Adresele ip sunt corecte dar valorile pentru porturi sunt aiurea.
E ceva gresit cu codul de mai sus? Evident ca inainte verific uc iph -> protocol == IPPROTO_TCP.

Multumesc



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