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 <paths.h> 22 #include <pwd.h> 23 #include <regex.h> 24 #include <sched.h> 25 #include <setjmp.h> 26 #include <signal.h> 27 #include <stdarg.h> 28 #include <stddef.h> 29 #include <stdint.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <strings.h> 34 #include <sys/mman.h> 35 #include <sys/resource.h> 36 #include <sys/stat.h> 37 #include <sys/statvfs.h> 38 #include <sys/time.h> 39 #include <sys/times.h> 40 #include <sys/utsname.h> 41 #include <sys/wait.h> 42 #include <syslog.h> 43 #include <termios.h> 44 #include <time.h> 45 #include <unistd.h> 46 #include <utime.h> 47 48 // Posix networking 49 50 #include <arpa/inet.h> 51 #include <netdb.h> 52 #include <net/if.h> 53 #include <netinet/in.h> 54 #include <netinet/tcp.h> 55 #include <poll.h> 56 #include <sys/socket.h> 57 #include <sys/un.h> 58 59 // Internationalization support (also in POSIX and LSB) 60 61 #include <langinfo.h> 62 #include <locale.h> 63 #include <wchar.h> 64 #include <wctype.h> 65 66 // LSB 4.1 headers 67 #include <sys/ioctl.h> 68 69 #include "lib/lib.h" 70 #include "lib/lsm.h" 71 #include "lib/toyflags.h" 72 73 // Get list of function prototypes for all enabled command_main() functions. 74 75 #define NEWTOY(name, opts, flags) void name##_main(void); 76 #define OLDTOY(name, oldname, flags) void oldname##_main(void); 77 #include "generated/newtoys.h" 78 #include "generated/flags.h" 79 #include "generated/globals.h" 80 #include "generated/tags.h" 81 82 // These live in main.c 83 84 struct toy_list *toy_find(char *name); 85 void toy_init(struct toy_list *which, char *argv[]); 86 void toy_singleinit(struct toy_list *which, char *argv[]); 87 void toy_exec(char *argv[]); 88 89 // Array of available commands 90 91 extern struct toy_list { 92 char *name; 93 void (*toy_main)(void); 94 char *options; 95 unsigned flags; 96 } toy_list[]; 97 98 // Global context shared by all commands. 99 100 extern struct toy_context { 101 struct toy_list *which; // Which entry in toy_list is this one? 102 char **argv; // Original command line arguments 103 char **optargs; // Arguments left over from get_optflags() 104 unsigned long long optflags; // Command line option flags from get_optflags() 105 int optc; // Count of optargs 106 short toycount; // Total number of commands in this build 107 char exitval; // Value error_exit feeds to exit() 108 char wasroot; // dropped setuid 109 110 // toy_init() should not zero past here. 111 sigjmp_buf *rebound; // siglongjmp here instead of exit when do_rebound 112 struct arg_list *xexit; // atexit() functions for xexit(), set by sigatexit() 113 void *stacktop; // nested toy_exec() call count, or 0 if vforked 114 int envc; // Count of original environ entries 115 int old_umask; // Old umask preserved by TOYFLAG_UMASK 116 short signal; // generic_signal() records what signal it saw here 117 int signalfd; // and writes signal to this fd, if set 118 } toys; 119 120 // Two big temporary buffers: one for use by commands, one for library functions 121 122 extern char *toybox_version, toybuf[4096], libbuf[4096]; 123 124 extern char **environ; 125 126 #define FLAG(x) (toys.optflags&FLAG_##x) 127 128 #define GLOBALS(...) 129 #define ARRAY_LEN(array) (sizeof(array)/sizeof(*array)) 130 #define TAGGED_ARRAY(X, ...) {__VA_ARGS__} 131 132 #ifndef TOYBOX_VERSION 133 #ifndef TOYBOX_VENDOR 134 #define TOYBOX_VENDOR "" 135 #endif 136 #define TOYBOX_VERSION "0.8.5"TOYBOX_VENDOR 137 #endif 138