edgesec/net_8h_source.html

 #ifndef NET_H_

 #define NET_H_


 #include <stdbool.h>

 #include <netinet/in.h>

 #include <inttypes.h>

 #include <net/ethernet.h>


 #include <utarray.h>

 #include <uthash.h>

 #include "allocs.h"

 #include "os.h"


 #define IP_ALEN 4

 #define OS_INET_ADDRSTRLEN 22

 #define OS_INET6_ADDRSTRLEN 63


 #ifndef MAC2STR

 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]

 #define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"

 #define MACSTR_LEN 18 // Including the '\0' character

 /*

  * Compact form for string representation of MAC address

  * To be used, e.g., for constructing dbus paths for P2P Devices

  */

 #define COMPACT_MACSTR "%02x%02x%02x%02x%02x%02x"

 #define COMPACT_MACSTR_LEN 13 // Including the '\0' character

 #endif


 #ifndef IP2STR

 #define IP2STR(a) (a)[0], (a)[1], (a)[2], (a)[3]

 #define IPSTR "%d.%d.%d.%d"

 #endif


 #ifndef IP62STR

 #define IP62STR(a)                                                             \

   (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5], (a)[6], (a)[7], (a)[8],      \

       (a)[9], (a)[10], (a)[11], (a)[12], (a)[13], (a)[14], (a)[15]

 #define IP6STR                                                                 \

   "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x"

 #endif


 bool validate_ipv4_string(const char *ip);


 int ip_2_nbo(const char *ip, const char *subnetMask, in_addr_t *addr);


 int ip4_2_buf(const char *ip, uint8_t buf[static IP_ALEN]);


 const char *bit32_2_ip(uint32_t addr, char ip[static OS_INET_ADDRSTRLEN]);


 const char *inaddr4_2_ip(const struct in_addr *addr,

                          char ip[static OS_INET_ADDRSTRLEN]);


 const char *inaddr6_2_ip(const struct in6_addr *addr,

                          char ip[static OS_INET6_ADDRSTRLEN]);


 uint8_t get_short_subnet(const char *subnet_mask);


 int get_ip_host(const char *ip, const char *subnet_mask, uint32_t *host);


 int disable_pmtu_discovery(int sock);


 int edge_hwaddr_aton2(const char *txt, uint8_t *addr);


 #define hwaddr_aton2(txt, addr) edge_hwaddr_aton2((txt), (addr))


 #endif

allocs.h
File containing the definition of the allocs functionalities.

OS_INET_ADDRSTRLEN
#define OS_INET_ADDRSTRLEN
Definition: net.h:25

inaddr4_2_ip
const char * inaddr4_2_ip(const struct in_addr *addr, char ip[static OS_INET_ADDRSTRLEN])
Convert the in_addr encoded IP4 address to an IP string.
Definition: net.c:129

OS_INET6_ADDRSTRLEN
#define OS_INET6_ADDRSTRLEN
Definition: net.h:26

ip4_2_buf
int ip4_2_buf(const char *ip, uint8_t buf[static IP_ALEN])
IP string to buffer.
Definition: net.c:90

get_ip_host
int get_ip_host(const char *ip, const char *subnet_mask, uint32_t *host)
Get the host identifier from an IP address string.
Definition: net.c:160

inaddr6_2_ip
const char * inaddr6_2_ip(const struct in6_addr *addr, char ip[static OS_INET6_ADDRSTRLEN])
Convert the in6_addr encoded IP6 address to an IP string.
Definition: net.c:134

validate_ipv4_string
bool validate_ipv4_string(const char *ip)
Checks whether a string denotes a IPv4 address.
Definition: net.c:27

get_short_subnet
uint8_t get_short_subnet(const char *subnet_mask)
Convert from a string subnet mask to a short integer version.
Definition: net.c:139

ip_2_nbo
int ip_2_nbo(const char *ip, const char *subnetMask, in_addr_t *addr)
IP string to struct in_addr_t converter.
Definition: net.c:67

edge_hwaddr_aton2
int edge_hwaddr_aton2(const char *txt, uint8_t *addr)
Convert ASCII string to MAC address (in any known format)
Definition: net.c:202

IP_ALEN
#define IP_ALEN
Definition: net.h:24

disable_pmtu_discovery
int disable_pmtu_discovery(int sock)
Disable the PMTU discovery for sockets.
Definition: net.c:181

bit32_2_ip
const char * bit32_2_ip(uint32_t addr, char ip[static OS_INET_ADDRSTRLEN])
Convert a 32 bit number IP to an IP string.
Definition: net.c:122

os.h
File containing the definition of the os functionalities.