1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* Copyright (c) 2022, 2023 Leah Rowe <info@minifree.org> */
/* SPDX-License-Identifier: MIT */
#include <sys/stat.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
void readGbeFile(int *fd, const char *path, int flags,
size_t nr);
void cmd_setmac(const char *strMac);
int invalidMacAddress(const char *strMac, uint16_t *mac);
uint8_t hextonum(char chs);
uint8_t rhex(void);
void cmd_dump(void);
void showmac(int partnum);
void hexdump(int partnum);
void cmd_setchecksum(void);
void cmd_brick(void);
void cmd_swap(void);
void cmd_copy(void);
int validChecksum(int partnum);
void setWord(int pos16, int partnum, uint16_t val16);
void xorswap_buf(int n, int partnum);
void writeGbeFile(int *fd, const char *filename, size_t nw);
#define FILENAME argv[1]
#define COMMAND argv[2]
#define MAC_ADDRESS argv[3]
#define PARTNUM argv[3]
#define SIZE_4KB 0x1000
#define SIZE_8KB 0x2000
uint16_t buf16[SIZE_4KB];
uint8_t *buf;
size_t gbe[2];
uint8_t skipread[2] = {0, 0};
int part, gbeFileModified = 0;
uint8_t nvmPartModified[2] = {0, 0};
uint16_t test;
uint8_t big_endian;
#define word(pos16, partnum) buf16[pos16 + (partnum << 11)]
#define ERR() errno = errno ? errno : ECANCELED
#define xorswap(x, y) x ^= y, y ^= x, x ^= y
#define xopen(fd, loc, p) if ((fd = open(loc, p)) == -1) err(ERR(), "%s", loc)
#define err_if(x) if (x) err(ERR(), NULL)
void
xpledge(const char *promises, const char *execpromises)
{
(void)promises; (void)execpromises;
#ifdef __OpenBSD__
if (pledge(promises, execpromises) == -1)
err(ERR(), "pledge");
#endif
}
void
xunveil(const char *path, const char *permissions)
{
(void)path; (void)permissions;
#ifdef __OpenBSD__
if (unveil(path, permissions) == -1)
err(ERR(), "unveil");
#endif
}
|
