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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* ----------------------------------------------------------------------- *
*
* Copyright 2008-2009 Gene Cumm - All Rights Reserved
*
* This program 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, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
/*
* rosh.h
*
* Read-Only shell; Header
*/
/*
* History
* b034 Improve debug functions to simpler code
* b021 Move much PreProcessing stuff to rosh.h
* b018 Create rosh_debug() macro
* b012 Version of rosh.c at time of creating this file.
*/
#ifndef ROSH_H
#define ROSH_H
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h> /* macro: true false */
#include <string.h> /* strcpy() strlen() memcpy() strchr() */
#include <sys/types.h>
#include <sys/stat.h> /* fstat() */
#include <fcntl.h> /* open(); open mode macros */
#include <dirent.h> /* fdopendir() opendir() readdir() closedir() DIR */
#include <unistd.h> /* getcwd() */
#include <errno.h> /* errno; error macros */
#include <netinet/in.h> /* For htonl/ntohl/htons/ntohs */
#include <ctype.h> /* isspace() */
#include <getkey.h>
#include <consoles.h>
#ifdef DO_DEBUG
# define ROSH_DEBUG printf
/* define ROSH_DEBUG(f, ...) printf (f, ## __VA_ARGS__) */
# ifdef DO_DEBUG2
# define ROSH_DEBUG2 printf
# else /* DO_DEBUG2 */
/* This forces a format argument into the function call */
# define ROSH_DEBUG2(f, ...) ((void)0)
# endif /* DO_DEBUG2 */
#else /* DO_DEBUG */
# define ROSH_DEBUG(f, ...) ((void)0)
# define ROSH_DEBUG2(f, ...) ((void)0)
#endif /* DO_DEBUG */
#ifdef __COM32__
#define ROSH_IS_COM32 1
#include <console.h> /* openconsole() */
#include <syslinux/config.h> /* Has info on the SYSLINUX variant */
#include <syslinux/boot.h> /* syslinux_run_command() */
#include <syslinux/reboot.h>
#define ROSH_COM32(f, ...) printf (f, ## __VA_ARGS__)
#define rosh_console_std() console_ansi_std()
#define rosh_console_raw() console_ansi_raw()
int stat(const char *pathname, struct stat *buf)
{
int fd, status, ret = -1;
DIR *d;
d = opendir(pathname);
if (d != NULL) {
closedir(d);
ret = 0;
buf->st_mode = S_IFDIR | 0555;
buf->st_size = 0;
} else if ((errno == 0) || (errno == ENOENT) || (errno == ENOTDIR)) {
fd = open(pathname, O_RDONLY);
if (fd != 1) {
status = fstat(fd, buf);
close(fd);
ret = 0;
}
}
return ret;
}
#else
# include <termios.h>
# define ROSH_IS_COM32 0
static inline char *syslinux_config_file(void)
{
return "";
}
static inline int getscreensize(int fd, int *rows, int *cols)
{
char *str;
int rv;
*rows = 0;
*cols = 0;
if (fd == 1) {
if (rows) {
str = getenv("LINES");
if (str)
*rows = atoi(str);
}
if (cols) {
str = getenv("COLUMNS");
if (str)
*cols = atoi(str);
}
}
if (!rows || !cols)
rv = -1;
else if (!*rows || !*cols)
rv = -2;
else
rv = 0;
return rv;
}
/*
* Switches console over to raw input mode. Allows get_key to get just
* 1 key sequence (without delay or display)
*/
void rosh_console_raw(void)
{
struct termios tio;
console_ansi_raw(); /* Allows get_key to get just 1 key sequence
(w/o delay or display */
/* Deal with the changes that haven't been replicated to ansiraw.c */
tcgetattr(0, &tio);
tio.c_iflag &= ~IGNCR;
tcsetattr(0, TCSAFLUSH, &tio);
}
/*
* Switches back to standard getline mode.
*/
void rosh_console_std(void)
{
struct termios tio;
console_ansi_std();
tcgetattr(0, &tio);
tio.c_iflag |= ICRNL;
tio.c_iflag &= ~IGNCR;
tcsetattr(0, TCSANOW, &tio);
}
void syslinux_reboot(int warm)
{
printf("Test Reboot(%d)\n", warm);
}
#define ROSH_COM32(f, ...) ((void)0)
#define syslinux_run_command(f) ((void)0)
#endif /* __COM32__ */
#define SEP '/'
/* Size of buffer string */
#define ROSH_BUF_SZ 16384
/* Size of screen output buffer (80*40) //HERE */
#define ROSH_SBUF_SZ ((80 + 2) * 40)
/* Size of command buffer string */
#ifdef MAX_CMDLINE_LEN
# define ROSH_CMD_SZ MAX_CMDLINE_LEN
#elif COMMAND_LINE_SIZE
# define ROSH_CMD_SZ COMMAND_LINE_SIZE
#else
# define ROSH_CMD_SZ_LG2 12
# define ROSH_CMD_SZ (1 << ROSH_CMD_SZ_LG2)
#endif /* MAX_CMDLINE_LEN */
/* Size of path buffer string */
#ifdef PATH_MAX
# define ROSH_PATH_SZ PATH_MAX
#elif NAME_MAX
# define ROSH_PATH_SZ NAME_MAX
#elif FILENAME_MAX
# define ROSH_PATH_SZ FILENAME_MAX
#else
# define ROSH_PATH_SZ_LG2 8
# define ROSH_PATH_SZ (1 << ROSH_PATH_SZ_LG2)
#endif /* PATH_MAX */
#define ROSH_OPT_SZ 8
const char rosh_beta_str[] =
" ROSH is currently beta. Constructive feedback is appreciated";
const char rosh_cd_norun_str[] =
" -- cd (Change Directory) not implemented for use with run and exit.\n";
const char rosh_help_ls_str[] = "ls List contents of current directory\n\
-l Long format\n\
-i Inode; print Inode of file\n\
-F Classify; Add a 1-character suffix to classify files";
const char rosh_help_str1[] =
"Commands: ? cat cd cfg dir exit help less ls man more pwd run quit ver";
const char rosh_help_str2[] =
"Commands: (short generally non-ambiguous abreviations are also allowed)\n\
h HELP\n ALSO ? help man\n ALSO help <command>\n\
cat Concatenate file to console\n cat <file>\n\
cd Change to directory <dir>\n cd <dir>\n\
less Page a file with rewind\n\
ls List contents of current directory\n ls <dir>\n\
ALSO l dir\n\
more Page a file\n\
pwd display Present Working Directory\n\
run Run a program/kernel with options\n\
r Reboot (if COM32)\n Also reboot\n\
exit Exit to previous environment\n ALSO quit";
const char rosh_help_str_adv[] = "No additional help available for '%s'";
#endif /* Not ROSH_H */
|
