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5.7

    1: 
    2: /*
    3:  * ip.h
    4:  *
    5:  * Written by Alexander Motin <mav@FreeBSD.org>
    6:  */
    7: 
    8: #ifndef _IP_H_
    9: #define _IP_H_
   10: 
   11: #include <sys/types.h>
   12: #include <sys/param.h>
   13: #include <netinet/in_systm.h>
   14: #include <netinet/ip.h>
   15: 
   16: /*
   17:  * DEFINITIONS
   18:  */
   19: 
   20:   struct u_addr {
   21:     sa_family_t family;
   22:     union {
   23: 	struct in_addr ip4;
   24: 	struct in6_addr ip6;
   25:     } u;
   26:   };
   27: 
   28:   struct u_range {
   29:     struct u_addr	addr;
   30:     u_char    		width;
   31:   };
   32: 
   33:   enum {
   34:     ALLOW_IPV4=1,
   35:     ALLOW_IPV6,
   36:     ALLOW_MASK
   37:   };
   38: 
   39: /*
   40:  * FUNCTIONS
   41:  */
   42: 
   43:   extern int	IpShowRoutes(Context ctx, int ac, char *av[], void *arg);
   44:   extern int	IpAddrInRange(struct u_range *range, struct u_addr *addr);
   45: 
   46:   extern int	ParseAddr(const char *s, struct u_addr *addr, u_char allow);
   47:   extern int	ParseRange(const char *s, struct u_range *range, u_char allow);
   48:   extern struct sockaddr_storage * ParseAddrPort(int ac, char *av[], u_char allow);
   49: 
   50:   extern sa_family_t	u_addrfamily(struct u_addr *addr);
   51:   extern sa_family_t	u_rangefamily(struct u_range *range);
   52: 
   53:   extern char	*u_addrtoa(struct u_addr *addr, char *dst, size_t size);
   54:   extern char	*u_rangetoa(struct u_range *range, char *dst, size_t size);
   55: 
   56:   extern void	u_addrcopy(const struct u_addr *src, struct u_addr *dst);
   57:   extern void	u_rangecopy(const struct u_range *src, struct u_range *dst);
   58: 
   59:   extern void	in_addrtou_addr(const struct in_addr *src, struct u_addr *dst);
   60:   extern void	in6_addrtou_addr(const struct in6_addr *src, struct u_addr *dst);
   61: 
   62:   extern void	u_addrtoin_addr(const struct u_addr *src, struct in_addr *dst);
   63:   extern void	u_addrtoin6_addr(const struct u_addr *src, struct in6_addr *dst);
   64: 
   65:   extern void	in_addrtou_range(const struct in_addr *src, u_char width, struct u_range *dst);
   66:   extern void	in6_addrtou_range(const struct in6_addr *src, u_char width, struct u_range *dst);
   67: 
   68:   extern void	u_rangetosockaddrs(struct u_range *range, struct sockaddr_storage *dst, struct sockaddr_storage *msk);
   69:   extern void	u_addrtosockaddr(struct u_addr *addr, in_port_t port, struct sockaddr_storage *dst);
   70:   extern void	sockaddrtou_addr(struct sockaddr_storage *src, struct u_addr *addr, in_port_t *port);
   71: 
   72:   extern void	u_addrclear(struct u_addr *addr);
   73:   extern void	u_rangeclear(struct u_range *range);
   74: 
   75:   extern int 	u_addrempty(struct u_addr *addr);
   76:   extern int 	u_rangeempty(struct u_range *range);
   77:   extern int 	u_rangehost(struct u_range *range);
   78: 
   79:   extern int 	u_addrcompare(const struct u_addr *addr1, const struct u_addr *addr2);
   80:   extern int 	u_rangecompare(const struct u_range *range1, const struct u_range *range2);
   81: 
   82:   extern uint32_t	u_addrtoid(const struct u_addr *addr);
   83:   
   84:   extern u_char		in_addrtowidth(struct in_addr *mask);
   85:   extern struct in_addr *widthtoin_addr(u_char width, struct in_addr *mask);
   86: 
   87: #endif
   88: