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