drygdryg/zapret
1
0
Fork 0
mirror of https://github.com/bol-van/zapret.git synced 2025-08-10 01:02:03 +03:00
Code Issues Packages Projects Releases Wiki Activity

nfqws: user mode ipset support

Browse Source
This commit is contained in:
bol-van
2024-10-16 13:42:59 +03:00
parent 89ccf0bbc0
commit ebecc423c7
13 changed files with 934 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
nfq/helpers.h
View File

@@ -9,6 +9,16 @@
#include <stdio.h>
#include <time.h>
// this saves memory. sockaddr_storage is larger than required. it can be 128 bytes. sockaddr_in6 is 28 bytes.
typedef union
{
struct sockaddr_in sa4; // size 16
struct sockaddr_in6 sa6; // size 28
char _align[32]; // force 16-byte alignment for ip6_and int128 ops
} sockaddr_in46;
void rtrim(char *s);
void hexdump_limited_dlog(const uint8_t *data, size_t size, size_t limit);
char *strncasestr(const char *s,const char *find, size_t slen);
bool load_file(const char *filename,void *buffer,size_t *buffer_size);
@@ -22,6 +32,8 @@ void ntop46_port(const struct sockaddr *sa, char *str, size_t len);
bool pton4_port(const char *s, struct sockaddr_in *sa);
bool pton6_port(const char *s, struct sockaddr_in6 *sa);
uint16_t saport(const struct sockaddr *sa);
bool seq_within(uint32_t s, uint32_t s1, uint32_t s2);
void dbgprint_socket_buffers(int fd);
@@ -64,3 +76,33 @@ void fill_random_az(uint8_t *p,size_t sz);
void fill_random_az09(uint8_t *p,size_t sz);
bool cd_to_exe_dir(const char *argv0);
struct cidr4
{
struct in_addr addr;
uint8_t preflen;
};
struct cidr6
{
struct in6_addr addr;
uint8_t preflen;
};
void str_cidr4(char *s, size_t s_len, const struct cidr4 *cidr);
void print_cidr4(const struct cidr4 *cidr);
void str_cidr6(char *s, size_t s_len, const struct cidr6 *cidr);
void print_cidr6(const struct cidr6 *cidr);
bool parse_cidr4(char *s, struct cidr4 *cidr);
bool parse_cidr6(char *s, struct cidr6 *cidr);
static inline uint32_t mask_from_preflen(uint32_t preflen)
{
return preflen ? preflen<32 ? ~((1 << (32-preflen)) - 1) : 0xFFFFFFFF : 0;
}
void ip6_and(const struct in6_addr * restrict a, const struct in6_addr * restrict b, struct in6_addr * restrict result);
extern struct in6_addr ip6_mask[129];
void mask_from_preflen6_prepare(void);
static inline const struct in6_addr *mask_from_preflen6(uint8_t preflen)
{
return ip6_mask+preflen;
}