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tests/sys/netinet/libalias/util.h
#include <sys/types.h> | #include <sys/types.h> | ||||
#include <arpa/inet.h> | #include <arpa/inet.h> | ||||
#include <netinet/ip.h> | #include <netinet/ip.h> | ||||
#include <netinet/udp.h> | #include <netinet/udp.h> | ||||
#ifndef _UTIL_H | #ifndef _UTIL_H | ||||
#define _UTIL_H | #define _UTIL_H | ||||
/* common ip ranges */ | |||||
extern struct in_addr masq, pub, prv1, prv2, prv3, cgn, ext, ANY_ADDR; | |||||
int randcmp(const void *a, const void *b); | int randcmp(const void *a, const void *b); | ||||
void hexdump(void *p, size_t len); | void hexdump(void *p, size_t len); | ||||
struct ip * ip_packet(struct in_addr src, struct in_addr dst, u_char protocol, size_t len); | struct ip * ip_packet(u_char protocol, size_t len); | ||||
struct udphdr * set_udp(struct ip *p, u_short sport, u_short dport); | struct udphdr * set_udp(struct ip *p, u_short sport, u_short dport); | ||||
inline int | inline int | ||||
addr_eq(struct in_addr a, struct in_addr b) | addr_eq(struct in_addr a, struct in_addr b) | ||||
{ | { | ||||
return a.s_addr == b.s_addr; | return a.s_addr == b.s_addr; | ||||
} | } | ||||
#define a2h(a) ntohl(a.s_addr) | #define a2h(a) ntohl(a.s_addr) | ||||
inline int | inline int | ||||
rand_range(int min, int max) | rand_range(int min, int max) | ||||
{ | { | ||||
return min + rand()%(max - min); | return min + rand()%(max - min); | ||||
} | } | ||||
#define NAT_CHECK(pip, src, dst, msq) do { \ | |||||
int res; \ | |||||
int len = ntohs(pip->ip_len); \ | |||||
pip->ip_src = src; \ | |||||
pip->ip_dst = dst; \ | |||||
res = LibAliasOut(la, pip, len); \ | |||||
ATF_CHECK_MSG(res == PKT_ALIAS_OK, \ | |||||
">%d< not met PKT_ALIAS_OK", res); \ | |||||
ATF_CHECK(addr_eq(msq, pip->ip_src)); \ | |||||
ATF_CHECK(addr_eq(dst, pip->ip_dst)); \ | |||||
} while(0) | |||||
#define NAT_FAIL(pip, src, dst) do { \ | |||||
int res; \ | |||||
int len = ntohs(pip->ip_len); \ | |||||
pip->ip_src = src; \ | |||||
pip->ip_dst = dst; \ | |||||
res = LibAliasOut(la, pip, len); \ | |||||
ATF_CHECK_MSG(res != PKT_ALIAS_OK), \ | |||||
">%d< not met !PKT_ALIAS_OK", res); \ | |||||
ATF_CHECK(addr_eq(src, pip->ip_src)); \ | |||||
ATF_CHECK(addr_eq(dst, pip->ip_dst)); \ | |||||
} while(0) | |||||
#define UNNAT_CHECK(pip, src, dst, rel) do { \ | |||||
int res; \ | |||||
int len = ntohs(pip->ip_len); \ | |||||
pip->ip_src = src; \ | |||||
pip->ip_dst = dst; \ | |||||
res = LibAliasIn(la, pip, len); \ | |||||
ATF_CHECK_MSG(res == PKT_ALIAS_OK, \ | |||||
">%d< not met PKT_ALIAS_OK", res); \ | |||||
ATF_CHECK(addr_eq(src, pip->ip_src)); \ | |||||
ATF_CHECK(addr_eq(rel, pip->ip_dst)); \ | |||||
} while(0) | |||||
#define UNNAT_FAIL(pip, src, dst) do { \ | |||||
int res; \ | |||||
int len = ntohs(pip->ip_len); \ | |||||
pip->ip_src = src; \ | |||||
pip->ip_dst = dst; \ | |||||
res = LibAliasIn(la, pip, len); \ | |||||
ATF_CHECK_MSG(res != PKT_ALIAS_OK, \ | |||||
">%d< not met !PKT_ALIAS_OK", res); \ | |||||
ATF_CHECK(addr_eq(src, pip->ip_src)); \ | |||||
ATF_CHECK(addr_eq(dst, pip->ip_dst)); \ | |||||
} while(0) | |||||
#define UDP_NAT_CHECK(p, u, si, sp, di, dp, mi) do { \ | |||||
u = set_udp(p, (sp), (dp)); \ | |||||
NAT_CHECK(p, (si), (di), (mi)); \ | |||||
ATF_CHECK(u->uh_dport == htons(dp)); \ | |||||
} while(0) | |||||
#define UDP_NAT_FAIL(p, u, si, sp, di, dp) do { \ | |||||
u = set_udp(p, (sp), (dp)); \ | |||||
NAT_FAIL(p, (si), (mi)); \ | |||||
} while(0) | |||||
#define UDP_UNNAT_CHECK(p, u, si, sp, mi, mp, di, dp) \ | |||||
do { \ | |||||
u = set_udp(p, (sp), (mp)); \ | |||||
UNNAT_CHECK(p, (si), (mi), (di)); \ | |||||
ATF_CHECK(u->uh_sport == htons(sp)); \ | |||||
ATF_CHECK(u->uh_dport == htons(dp)); \ | |||||
} while(0) | |||||
#define UDP_UNNAT_FAIL(p, u, si, sp, mi, mp) do { \ | |||||
u = set_udp(p, (sp), (mp)); \ | |||||
UNNAT_FAIL(p, (si), (mi)); \ | |||||
} while(0) | |||||
#endif /* _UTIL_H */ | #endif /* _UTIL_H */ |