1/* Toybox infrastructure.
2 *
3 * Copyright 2006 Rob Landley <rob@landley.net>
4 */
5
6// Stuff that needs to go before the standard headers
7
8#include "generated/config.h"
9#include "lib/portability.h"
10
11// General posix-2008 headers
12#include <ctype.h>
13#include <dirent.h>
14#include <errno.h>
15#include <fcntl.h>
16#include <fnmatch.h>
17#include <grp.h>
18#include <inttypes.h>
19#include <limits.h>
20#include <math.h>
21#include <pwd.h>
22#include <regex.h>
23#include <sched.h>
24#include <setjmp.h>
25#include <signal.h>
26#include <stdarg.h>
27#include <stddef.h>
28#include <stdint.h>
29#include <stdio.h>
30#include <stdlib.h>
31#include <string.h>
32#include <strings.h>
33#include <sys/mman.h>
34#include <sys/resource.h>
35#include <sys/stat.h>
36#include <sys/statvfs.h>
37#include <sys/time.h>
38#include <sys/times.h>
39#include <sys/utsname.h>
40#include <sys/wait.h>
41#include <syslog.h>
42#include <termios.h>
43#include <time.h>
44#include <unistd.h>
45#include <utime.h>
46
47// Posix networking
48
49#include <arpa/inet.h>
50#include <netdb.h>
51#include <net/if.h>
52#include <netinet/in.h>
53#include <netinet/tcp.h>
54#include <poll.h>
55#include <sys/socket.h>
56#include <sys/un.h>
57
58// Internationalization support (also in POSIX and LSB)
59
60#include <locale.h>
61#include <wchar.h>
62#include <wctype.h>
63
64// LSB 4.1 headers
65#include <pty.h>
66#include <sys/ioctl.h>
67#include <sys/statfs.h>
68#include <sys/sysinfo.h>
69
70#include "lib/lib.h"
71#include "lib/lsm.h"
72#include "lib/toyflags.h"
73#include "toys/e2fs.h"
74
75// Get list of function prototypes for all enabled command_main() functions.
76
77#define NEWTOY(name, opts, flags) void name##_main(void);
78#define OLDTOY(name, oldname, flags) void oldname##_main(void);
79#include "generated/newtoys.h"
80#include "generated/flags.h"
81#include "generated/globals.h"
82#include "generated/tags.h"
83
84// These live in main.c
85
86struct toy_list *toy_find(char *name);
87void toy_init(struct toy_list *which, char *argv[]);
88void toy_exec(char *argv[]);
89
90// Array of available commands
91
92extern struct toy_list {
93  char *name;
94  void (*toy_main)(void);
95  char *options;
96  int flags;
97} toy_list[];
98
99// Global context shared by all commands.
100
101extern struct toy_context {
102  struct toy_list *which;  // Which entry in toy_list is this one?
103  char **argv;             // Original command line arguments
104  char **optargs;          // Arguments left over from get_optflags()
105  unsigned long long optflags; // Command line option flags from get_optflags()
106  int exitval;             // Value error_exit feeds to exit()
107  int optc;                // Count of optargs
108  int old_umask;           // Old umask preserved by TOYFLAG_UMASK
109  short toycount;          // Total number of commands in this build
110  short signal;            // generic_signal() records what signal it saw here
111  int signalfd;            // and writes signal to this fd, if set
112  int wasroot;             // dropped setuid
113
114  // This is at the end so toy_init() doesn't zero it.
115  jmp_buf *rebound;        // longjmp here instead of exit when do_rebound set
116  struct arg_list *xexit;  // atexit() functions for xexit(), set by sigatexit()
117  void *stacktop;          // nested toy_exec() call count, or 0 if vforked
118} toys;
119
120// Two big temporary buffers: one for use by commands, one for library functions
121
122extern char toybuf[4096], libbuf[4096];
123
124extern char **environ;
125
126#define GLOBALS(...)
127#define ARRAY_LEN(array) (sizeof(array)/sizeof(*array))
128#define TAGGED_ARRAY(X, ...) {__VA_ARGS__}
129