nmrpflash/nmrpd.h
2025-03-19 10:19:54 +01:00

186 lines
5 KiB
C

/**
* nmrpflash - Netgear Unbrick Utility
* Copyright (C) 2016 Joseph Lehner <joseph.c.lehner@gmail.com>
*
* nmrpflash is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nmrpflash is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nmrpflash. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef NMRPD_H
#define NMRPD_H
#include <stdint.h>
#include <signal.h>
#include <stdbool.h>
#if defined(_WIN32) || defined(_WIN64)
# define NMRPFLASH_WINDOWS
#elif defined(__APPLE__) && defined(__MACH__)
# define NMRPFLASH_UNIX
# define NMRPFLASH_OSX
# define NMRPFLASH_BSD
#elif defined (__unix__)
# define NMRPFLASH_UNIX
# if defined(__linux__)
# define NMRPFLASH_LINUX
# elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
# define NMRPFLASH_BSD
# else
# warning "nmrpflash is not fully supported on this platform"
# endif
#else
# warning "nmrpflash is not supported on this platform"
#endif
#ifndef NMRPFLASH_WINDOWS
# include <arpa/inet.h>
# include <sys/types.h>
# include <sys/socket.h>
# include <netinet/in.h>
# include <net/if.h>
# ifndef NMRPFLASH_LINUX
# include <net/if_dl.h>
# endif
#else
# include <winsock2.h>
# include <ws2tcpip.h>
# include <windows.h>
# include <conio.h>
#endif
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef PACKED
#define PACKED __attribute__((packed))
#endif
#define NMRPFLASH_SET_REGION
#define NMRP_DEFAULT_UL_TIMEOUT_S (30 * 60)
#define NMRP_DEFAULT_RX_TIMEOUT_MS (10000)
/*
* These addresses should not cause collisions on most networks,
* and if they do, the user is probably "poweruser" enough to
* be able to use the -a and -A options.
*/
#define NMRP_DEFAULT_IP_LOCAL "10.164.183.252"
#define NMRP_DEFAULT_IP_REMOTE "10.164.183.253"
#define NMRP_DEFAULT_SUBNET "255.255.255.0"
#define NMRP_DEFAULT_TFTP_PORT 69
#define NMRP_ETH_TIMEOUT_S 60
#define NMRP_MAX_UL_REQS 3
#define NMRP_MAYBE_FIRMWARE_INVALID (1 << 0)
#define NMRP_NO_ETHERNET_CONNECTION (1 << 1)
#define NMRP_NO_NMRP_RESPONSE (1 << 2)
#define NMRP_TFTP_XMIT_BLK0_FAILURE (1 << 3)
struct eth_hdr {
uint8_t ether_dhost[6];
uint8_t ether_shost[6];
uint16_t ether_type;
} PACKED;
enum nmrp_op {
NMRP_UPLOAD_FW = 0,
NMRP_UPLOAD_ST = 1,
NMRP_SET_REGION = 2,
};
struct ethsock;
struct nmrpd_args {
unsigned rx_timeout;
unsigned ul_timeout;
const char *tftpcmd;
const char *file_local;
const char *file_remote;
const char *ipaddr_intf;
const char *ipaddr;
const char *ipmask;
const char *intf;
const char *mac;
enum nmrp_op op;
bool blind;
uint16_t port;
const char *region;
off_t offset;
int hints;
struct ethsock *sock;
};
const char *leafname(const char *path);
ssize_t tftp_put(struct nmrpd_args *args);
bool tftp_is_valid_filename(const char *filename);
int nmrp_do(struct nmrpd_args *args);
bool nmrp_discard(struct ethsock *sock);
int select_fd(int fd, unsigned timeout);
const char *mac_to_str(uint8_t *mac);
#ifdef NMRPFLASH_WINDOWS
void win_perror2(const char *msg, DWORD err);
void sock_perror(const char *msg);
#else
#define sock_perror(x) xperror(x)
#endif
extern int verbosity;
struct ethsock_arp_undo;
struct ethsock_ip_undo;
struct ethsock *ethsock_create(const char *intf, uint16_t protocol);
bool ethsock_is_unplugged(struct ethsock *sock);
bool ethsock_is_wifi(struct ethsock *sock);
int ethsock_close(struct ethsock *sock);
int ethsock_send(struct ethsock *sock, void *buf, size_t len);
ssize_t ethsock_recv(struct ethsock *sock, void *buf, size_t len);
int ethsock_set_timeout(struct ethsock *sock, unsigned msec);
unsigned ethsock_get_timeout(struct ethsock *sock);
uint8_t *ethsock_get_hwaddr(struct ethsock *sock);
int ethsock_arp_add(struct ethsock *sock, uint8_t *hwaddr, uint32_t ipaddr, struct ethsock_arp_undo **undo);
int ethsock_arp_del(struct ethsock *sock, struct ethsock_arp_undo **undo);
int ethsock_list_all(void);
struct ethsock_ip_callback_args
{
struct in_addr *ipaddr;
struct in_addr *ipmask;
void *arg;
};
typedef int (*ethsock_ip_callback_t)(struct ethsock_ip_callback_args *args);
int ethsock_for_each_ip(struct ethsock *sock, ethsock_ip_callback_t callback,
void *arg);
int ethsock_ip_add(struct ethsock *sock, uint32_t ipaddr, uint32_t ipmask, struct ethsock_ip_undo **undo);
int ethsock_ip_del(struct ethsock *sock, struct ethsock_ip_undo **undo);
time_t time_monotonic();
long long millis();
char *lltostr(long long ll, int base);
uint32_t bitcount(uint32_t n);
uint32_t netmask(uint32_t count);
void xperror(const char *msg);
extern volatile sig_atomic_t g_interrupted;
#endif