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mpd 5.9

    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.h>
   14: #include <netinet/in_systm.h>
   15: #include <netinet/ip.h>
   16: 
   17: /*
   18:  * DEFINITIONS
   19:  */
   20: 
   21:   struct u_addr {
   22:     sa_family_t family;
   23:     union {
   24: 	struct in_addr ip4;
   25: 	struct in6_addr ip6;
   26:     } u;
   27:   };
   28: 
   29:   struct u_range {
   30:     struct u_addr	addr;
   31:     u_char    		width;
   32:   };
   33: 
   34:   enum {
   35:     ALLOW_IPV4=1,
   36:     ALLOW_IPV6,
   37:     ALLOW_MASK
   38:   };
   39: 
   40: /*
   41:  * FUNCTIONS
   42:  */
   43: 
   44:   extern int	IpShowRoutes(Context ctx, int ac, const char *const av[], const void *arg);
   45:   extern int	IpAddrInRange(struct u_range *range, struct u_addr *addr);
   46: 
   47:   extern int	ParseAddr(const char *s, struct u_addr *addr, u_char allow);
   48:   extern int	ParseRange(const char *s, struct u_range *range, u_char allow);
   49:   extern struct sockaddr_storage * ParseAddrPort(int ac, const char *const av[], u_char allow);
   50: 
   51:   extern sa_family_t	u_addrfamily(struct u_addr *addr);
   52:   extern sa_family_t	u_rangefamily(struct u_range *range);
   53: 
   54:   extern char	*u_addrtoa(struct u_addr *addr, char *dst, size_t size);
   55:   extern char	*u_rangetoa(struct u_range *range, char *dst, size_t size);
   56: 
   57:   extern void	u_addrcopy(const struct u_addr *src, struct u_addr *dst);
   58:   extern void	u_rangecopy(const struct u_range *src, struct u_range *dst);
   59: 
   60:   extern void	in_addrtou_addr(const struct in_addr *src, struct u_addr *dst);
   61:   extern void	in6_addrtou_addr(const struct in6_addr *src, struct u_addr *dst);
   62: 
   63:   extern void	u_addrtoin_addr(const struct u_addr *src, struct in_addr *dst);
   64:   extern void	u_addrtoin6_addr(const struct u_addr *src, struct in6_addr *dst);
   65: 
   66:   extern void	in_addrtou_range(const struct in_addr *src, u_char width, struct u_range *dst);
   67:   extern void	in6_addrtou_range(const struct in6_addr *src, u_char width, struct u_range *dst);
   68: 
   69:   extern void	u_rangetosockaddrs(struct u_range *range, struct sockaddr_storage *dst, struct sockaddr_storage *msk);
   70:   extern void	u_addrtosockaddr(struct u_addr *addr, in_port_t port, struct sockaddr_storage *dst);
   71:   extern void	sockaddrtou_addr(struct sockaddr_storage *src, struct u_addr *addr, in_port_t *port);
   72: 
   73:   extern void	u_addrclear(struct u_addr *addr);
   74:   extern void	u_rangeclear(struct u_range *range);
   75: 
   76:   extern int 	u_addrempty(struct u_addr *addr);
   77:   extern int 	u_rangeempty(struct u_range *range);
   78:   extern int 	u_rangehost(struct u_range *range);
   79: 
   80:   extern int 	u_addrcompare(const struct u_addr *addr1, const struct u_addr *addr2);
   81:   extern int 	u_rangecompare(const struct u_range *range1, const struct u_range *range2);
   82: 
   83:   extern uint32_t	u_addrtoid(const struct u_addr *addr);
   84:   
   85:   extern u_char		in_addrtowidth(struct in_addr *mask);
   86:   extern struct in_addr *widthtoin_addr(u_char width, struct in_addr *mask);
   87: 
   88: #endif
   89: