Differential D23450 Diff 83259 sys/netpfil/ipfw/ip_fw_nat.c

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sys/netpfil/ipfw/ip_fw_nat.c

Show First 20 Lines • Show All 87 Lines • ▼ Show 20 Lines	struct cfg_nat {
int id; /* nat id */		int id; /* nat id */
struct in_addr ip; /* nat ip address */		struct in_addr ip; /* nat ip address */
struct libalias lib; / libalias instance */		struct libalias lib; / libalias instance */
int mode; /* aliasing mode */		int mode; /* aliasing mode */
int redir_cnt; /* number of entry in spool chain */		int redir_cnt; /* number of entry in spool chain */
/* chain of redir instances */		/* chain of redir instances */
LIST_HEAD(redir_chain, cfg_redir) redir_chain;		LIST_HEAD(redir_chain, cfg_redir) redir_chain;
char if_name[IF_NAMESIZE]; /* interface name */		char if_name[IF_NAMESIZE]; /* interface name */
		u_short alias_port_lo; /* low range for port aliasing */
		u_short alias_port_hi; /* high range for port aliasing */
		donnerUnsubmitted Done Inline Actions Here the struct can be reused. donner: Here the struct can be reused.
};		};

static eventhandler_tag ifaddr_event_tag;		static eventhandler_tag ifaddr_event_tag;

static void		static void
ifaddr_change(void arg __unused, struct ifnet ifp)		ifaddr_change(void arg __unused, struct ifnet ifp)
{		{
struct cfg_nat *ptr;		struct cfg_nat *ptr;
▲ Show 20 Lines • Show All 419 Lines • ▼ Show 20 Lines	nat44_config(struct ip_fw_chain chain, struct nat44_cfg_nat ucfg)
/*		/*
* XXX - what if this rule doesn't nat any ip and just		* XXX - what if this rule doesn't nat any ip and just
* redirect?		* redirect?
* do we set aliasaddress to 0.0.0.0?		* do we set aliasaddress to 0.0.0.0?
*/		*/
ptr->ip = ucfg->ip;		ptr->ip = ucfg->ip;
ptr->redir_cnt = ucfg->redir_cnt;		ptr->redir_cnt = ucfg->redir_cnt;
ptr->mode = ucfg->mode;		ptr->mode = ucfg->mode;
		ptr->alias_port_lo = ucfg->alias_port_lo;
		ptr->alias_port_hi = ucfg->alias_port_hi;
		donnerUnsubmitted Done Inline Actions Using a stuct the lines become ptr->portRange = ucfg->portRange; donner: Using a stuct the lines become ``` ptr->portRange = ucfg->portRange; ```
strlcpy(ptr->if_name, ucfg->if_name, sizeof(ptr->if_name));		strlcpy(ptr->if_name, ucfg->if_name, sizeof(ptr->if_name));
LibAliasSetMode(ptr->lib, ptr->mode, ~0);		LibAliasSetMode(ptr->lib, ptr->mode, ~0);
LibAliasSetAddress(ptr->lib, ptr->ip);		LibAliasSetAddress(ptr->lib, ptr->ip);
		LibAliasSetAliasPortRange(ptr->lib, ptr->alias_port_lo, ptr->alias_port_hi);
		donnerUnsubmitted Done Inline Actions Why not take the (pointer to the) struct as argument? donner: Why not take the (pointer to the) struct as argument?

/*		/*
* Redir and LSNAT configuration.		* Redir and LSNAT configuration.
*/		*/
/* Delete old cfgs. */		/* Delete old cfgs. */
del_redir_spool_cfg(ptr, &ptr->redir_chain);		del_redir_spool_cfg(ptr, &ptr->redir_chain);
/* Add new entries. */		/* Add new entries. */
add_redir_spool_cfg((char *)(ucfg + 1), ptr);		add_redir_spool_cfg((char *)(ucfg + 1), ptr);
▲ Show 20 Lines • Show All 111 Lines • ▼ Show 20 Lines
static void		static void
export_nat_cfg(struct cfg_nat ptr, struct nat44_cfg_nat ucfg)		export_nat_cfg(struct cfg_nat ptr, struct nat44_cfg_nat ucfg)
{		{

snprintf(ucfg->name, sizeof(ucfg->name), "%d", ptr->id);		snprintf(ucfg->name, sizeof(ucfg->name), "%d", ptr->id);
ucfg->ip = ptr->ip;		ucfg->ip = ptr->ip;
ucfg->redir_cnt = ptr->redir_cnt;		ucfg->redir_cnt = ptr->redir_cnt;
ucfg->mode = ptr->mode;		ucfg->mode = ptr->mode;
		ucfg->alias_port_lo = ptr->alias_port_lo;
		ucfg->alias_port_hi = ptr->alias_port_hi;
strlcpy(ucfg->if_name, ptr->if_name, sizeof(ucfg->if_name));		strlcpy(ucfg->if_name, ptr->if_name, sizeof(ucfg->if_name));
}		}

/*		/*
* Gets config for given nat instance		* Gets config for given nat instance
* Data layout (v0)(current):		* Data layout (v0)(current):
* Request: [ ipfw_obj_header nat44_cfg_nat .. ]		* Request: [ ipfw_obj_header nat44_cfg_nat .. ]
*		*
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