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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#pragma once
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#include <stddef.h>
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#include <stdbool.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <time.h>
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char *strncasestr(const char *s,const char *find, size_t slen);
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bool append_to_list_file(const char *filename, const char *s);
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void ntop46(const struct sockaddr *sa, char *str, size_t len);
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void ntop46_port(const struct sockaddr *sa, char *str, size_t len);
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void print_sockaddr(const struct sockaddr *sa);
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void print_addrinfo(const struct addrinfo *ai);
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bool check_local_ip(const struct sockaddr *saddr);
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bool saismapped(const struct sockaddr_in6 *sa);
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bool samappedcmp(const struct sockaddr_in *sa1,const struct sockaddr_in6 *sa2);
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bool sacmp(const struct sockaddr *sa1,const struct sockaddr *sa2);
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uint16_t saport(const struct sockaddr *sa);
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// true = was converted
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bool saconvmapped(struct sockaddr_storage *a);
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bool is_localnet(const struct sockaddr *a);
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bool is_linklocal(const struct sockaddr_in6* a);
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bool is_private6(const struct sockaddr_in6* a);
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bool set_keepalive(int fd);
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bool set_ttl(int fd, int ttl);
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bool set_hl(int fd, int hl);
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bool set_ttl_hl(int fd, int ttl);
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int get_so_error(int fd);
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// alignment-safe functions
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static inline uint16_t pntoh16(const uint8_t *p) {
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return ((uint16_t)p[0] << 8) | (uint16_t)p[1];
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}
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static inline void phton16(uint8_t *p, uint16_t v) {
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p[0] = (uint8_t)(v>>8);
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p[1] = (uint8_t)v;
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}
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int fprint_localtime(FILE *F);
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time_t file_mod_time(const char *filename);
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typedef struct
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{
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uint16_t from,to;
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bool neg;
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} port_filter;
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bool pf_in_range(uint16_t port, const port_filter *pf);
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bool pf_parse(const char *s, port_filter *pf);
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