1*c1fbb54fSLutz Donnerhacke #include <sys/types.h> 2*c1fbb54fSLutz Donnerhacke 3*c1fbb54fSLutz Donnerhacke #include <arpa/inet.h> 4*c1fbb54fSLutz Donnerhacke #include <netinet/ip.h> 5*c1fbb54fSLutz Donnerhacke #include <netinet/udp.h> 6*c1fbb54fSLutz Donnerhacke 7*c1fbb54fSLutz Donnerhacke #ifndef _UTIL_H 8*c1fbb54fSLutz Donnerhacke #define _UTIL_H 9*c1fbb54fSLutz Donnerhacke 10*c1fbb54fSLutz Donnerhacke int randcmp(const void *a, const void *b); 11*c1fbb54fSLutz Donnerhacke void hexdump(void *p, size_t len); 12*c1fbb54fSLutz Donnerhacke struct ip * ip_packet(struct in_addr src, struct in_addr dst, u_char protocol, size_t len); 13*c1fbb54fSLutz Donnerhacke struct udphdr * set_udp(struct ip *p, u_short sport, u_short dport); 14*c1fbb54fSLutz Donnerhacke 15*c1fbb54fSLutz Donnerhacke inline int 16*c1fbb54fSLutz Donnerhacke addr_eq(struct in_addr a, struct in_addr b) 17*c1fbb54fSLutz Donnerhacke { 18*c1fbb54fSLutz Donnerhacke return a.s_addr == b.s_addr; 19*c1fbb54fSLutz Donnerhacke } 20*c1fbb54fSLutz Donnerhacke 21*c1fbb54fSLutz Donnerhacke #define a2h(a) ntohl(a.s_addr) 22*c1fbb54fSLutz Donnerhacke 23*c1fbb54fSLutz Donnerhacke inline int 24*c1fbb54fSLutz Donnerhacke rand_range(int min, int max) 25*c1fbb54fSLutz Donnerhacke { 26*c1fbb54fSLutz Donnerhacke return min + rand()%(max - min); 27*c1fbb54fSLutz Donnerhacke } 28*c1fbb54fSLutz Donnerhacke 29*c1fbb54fSLutz Donnerhacke #endif /* _UTIL_H */ 30