blob: 79d0a905eb9dd9422965b44d9f349b9f54998b16 (
plain)
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
|
/* Toybox infrastructure.
*
* Copyright 2006 Rob Landley <rob@landley.net>
*/
// Stuff that needs to go before the standard headers
#include "generated/config.h"
#include "lib/portability.h"
// General posix-2008 headers
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <grp.h>
#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <pwd.h>
#include <regex.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <syslog.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#include <utime.h>
// Posix networking
#include <arpa/inet.h>
#include <netdb.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <poll.h>
#include <sys/socket.h>
#include <sys/un.h>
// Internationalization support (also in POSIX and LSB)
#include <locale.h>
#include <wchar.h>
#include <wctype.h>
// LSB 4.1 headers
#include <sys/ioctl.h>
#include "lib/lib.h"
#include "lib/lsm.h"
#include "lib/toyflags.h"
// Get list of function prototypes for all enabled command_main() functions.
#define NEWTOY(name, opts, flags) void name##_main(void);
#define OLDTOY(name, oldname, flags) void oldname##_main(void);
#include "generated/newtoys.h"
#include "generated/flags.h"
#include "generated/globals.h"
#include "generated/tags.h"
// These live in main.c
struct toy_list *toy_find(char *name);
void toy_init(struct toy_list *which, char *argv[]);
void toy_exec(char *argv[]);
// Array of available commands
extern struct toy_list {
char *name;
void (*toy_main)(void);
char *options;
unsigned flags;
} toy_list[];
// Global context shared by all commands.
extern struct toy_context {
struct toy_list *which; // Which entry in toy_list is this one?
char **argv; // Original command line arguments
char **optargs; // Arguments left over from get_optflags()
unsigned long long optflags; // Command line option flags from get_optflags()
int optc; // Count of optargs
int old_umask; // Old umask preserved by TOYFLAG_UMASK
short toycount; // Total number of commands in this build
short signal; // generic_signal() records what signal it saw here
int signalfd; // and writes signal to this fd, if set
char exitval; // Value error_exit feeds to exit()
char wasroot; // dropped setuid
// This is at the end so toy_init() doesn't zero it.
sigjmp_buf *rebound; // siglongjmp here instead of exit when do_rebound
struct arg_list *xexit; // atexit() functions for xexit(), set by sigatexit()
void *stacktop; // nested toy_exec() call count, or 0 if vforked
} toys;
// Two big temporary buffers: one for use by commands, one for library functions
extern char toybuf[4096], libbuf[4096];
extern char **environ;
#define FLAG(x) (toys.optflags&FLAG_##x)
#define GLOBALS(...)
#define ARRAY_LEN(array) (sizeof(array)/sizeof(*array))
#define TAGGED_ARRAY(X, ...) {__VA_ARGS__}
|