1da2e3ebdSchin /*********************************************************************** 2da2e3ebdSchin * * 3da2e3ebdSchin * This software is part of the ast package * 4*3e14f97fSRoger A. Faulkner * Copyright (c) 1982-2010 AT&T Intellectual Property * 5da2e3ebdSchin * and is licensed under the * 6da2e3ebdSchin * Common Public License, Version 1.0 * 77c2fbfb3SApril Chin * by AT&T Intellectual Property * 8da2e3ebdSchin * * 9da2e3ebdSchin * A copy of the License is available at * 10da2e3ebdSchin * http://www.opensource.org/licenses/cpl1.0.txt * 11da2e3ebdSchin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12da2e3ebdSchin * * 13da2e3ebdSchin * Information and Software Systems Research * 14da2e3ebdSchin * AT&T Research * 15da2e3ebdSchin * Florham Park NJ * 16da2e3ebdSchin * * 17da2e3ebdSchin * David Korn <dgk@research.att.com> * 18da2e3ebdSchin * * 19da2e3ebdSchin ***********************************************************************/ 20da2e3ebdSchin #pragma prototyped 21da2e3ebdSchin /* 22da2e3ebdSchin * UNIX shell 23da2e3ebdSchin * S. R. Bourne 24da2e3ebdSchin * Rewritten by David Korn 25da2e3ebdSchin * 26da2e3ebdSchin * AT&T Labs 27da2e3ebdSchin * 28da2e3ebdSchin */ 29da2e3ebdSchin 30da2e3ebdSchin #include <ast.h> 31da2e3ebdSchin #include <errno.h> 32da2e3ebdSchin #include "defs.h" 33da2e3ebdSchin #include "path.h" 34da2e3ebdSchin #include "io.h" 35da2e3ebdSchin #include "shlex.h" 36da2e3ebdSchin #include "timeout.h" 37da2e3ebdSchin #include "history.h" 38da2e3ebdSchin #include "builtins.h" 39da2e3ebdSchin #include "jobs.h" 40da2e3ebdSchin #include "edit.h" 41da2e3ebdSchin 42da2e3ebdSchin /* error messages */ 43da2e3ebdSchin const char e_timewarn[] = "\r\n\ashell will timeout in 60 seconds due to inactivity"; 44da2e3ebdSchin const char e_runvi[] = "\\hist -e \"${VISUAL:-${EDITOR:-vi}}\" "; 45da2e3ebdSchin const char e_timeout[] = "timed out waiting for input"; 46da2e3ebdSchin const char e_mailmsg[] = "you have mail in $_"; 47da2e3ebdSchin const char e_query[] = "no query process"; 48da2e3ebdSchin const char e_history[] = "no history file"; 49da2e3ebdSchin const char e_histopen[] = "history file cannot open"; 50da2e3ebdSchin const char e_option[] = "%s: bad option(s)"; 51da2e3ebdSchin const char e_toomany[] = "open file limit exceeded"; 52da2e3ebdSchin const char e_argtype[] = "invalid argument of type %c"; 5334f9b3eeSRoland Mainz const char e_oneoperand[] = "one operand expected"; 54da2e3ebdSchin const char e_formspec[] = "%c: unknown format specifier"; 55da2e3ebdSchin const char e_badregexp[] = "%s: invalid regular expression"; 56da2e3ebdSchin const char e_number[] = "%s: bad number"; 57da2e3ebdSchin const char e_badlocale[] = "%s: unknown locale"; 58da2e3ebdSchin const char e_nullset[] = "%s: parameter null"; 59da2e3ebdSchin const char e_notset[] = "%s: parameter not set"; 60da2e3ebdSchin const char e_noparent[] = "%s: no parent"; 61da2e3ebdSchin const char e_subst[] = "%s: bad substitution"; 62da2e3ebdSchin const char e_create[] = "%s: cannot create"; 63da2e3ebdSchin const char e_tmpcreate[] = "cannot create temporary file"; 64da2e3ebdSchin const char e_restricted[] = "%s: restricted"; 65da2e3ebdSchin const char e_pfsh[] = "%s: disabled in profile shell"; 66da2e3ebdSchin const char e_pexists[] = "process already exists"; 67da2e3ebdSchin const char e_exists[] = "%s: file already exists"; 68da2e3ebdSchin const char e_pipe[] = "cannot create pipe"; 69da2e3ebdSchin const char e_alarm[] = "cannot set alarm"; 70da2e3ebdSchin const char e_open[] = "%s: cannot open"; 71da2e3ebdSchin const char e_notseek[] = "%s: not seekable"; 72da2e3ebdSchin const char e_badseek[] = "%s: invalid seek offset"; 73da2e3ebdSchin const char e_badpattern[] = "%s: invalid shell pattern"; 74da2e3ebdSchin const char e_noread[] = "%s: pattern seek requires read access"; 75da2e3ebdSchin const char e_logout[] = "Use 'exit' to terminate this shell"; 76da2e3ebdSchin const char e_exec[] = "%s: cannot execute"; 77da2e3ebdSchin const char e_pwd[] = "cannot access parent directories"; 78da2e3ebdSchin const char e_found[] = "%s: not found"; 79da2e3ebdSchin const char e_defined[] = "%s: function not defined"; 80da2e3ebdSchin const char e_nointerp[] = "%s: interpreter not found"; 81da2e3ebdSchin const char e_subscript[] = "%s: subscript out of range"; 82da2e3ebdSchin const char e_toodeep[] = "%s: recursion too deep"; 83da2e3ebdSchin const char e_access[] = "permission denied"; 84da2e3ebdSchin #ifdef _cmd_universe 85da2e3ebdSchin const char e_nouniverse[] = "universe not accessible"; 86da2e3ebdSchin #endif /* _cmd_universe */ 87da2e3ebdSchin const char e_direct[] = "bad directory"; 88da2e3ebdSchin const char e_file[] = "%s: bad file unit number"; 8934f9b3eeSRoland Mainz const char e_redirect[] = "redirection failed"; 90da2e3ebdSchin const char e_trap[] = "%s: bad trap"; 91da2e3ebdSchin const char e_readonly[] = "%s: is read only"; 92da2e3ebdSchin const char e_badfield[] = "%d: negative field size"; 93da2e3ebdSchin const char e_ident[] = "%s: is not an identifier"; 94da2e3ebdSchin const char e_badname[] = "%s: invalid name"; 95da2e3ebdSchin const char e_varname[] = "%s: invalid variable name"; 96da2e3ebdSchin const char e_badfun[] = "%s: invalid function name"; 97da2e3ebdSchin const char e_aliname[] = "%s: invalid alias name"; 9834f9b3eeSRoland Mainz const char e_badexport[] = "%s: only simple variables can be exported"; 99da2e3ebdSchin const char e_badref[] = "%s: reference variable cannot be an array"; 10034f9b3eeSRoland Mainz const char e_badsubscript[] = "%c: invalid subscript in assignment"; 101da2e3ebdSchin const char e_noarray[] = "%s: cannot be an array"; 1027c2fbfb3SApril Chin const char e_badappend[] = "%s: invalid append to associative array"; 103da2e3ebdSchin const char e_noref[] = "%s: no reference name"; 104da2e3ebdSchin const char e_selfref[] = "%s: invalid self reference"; 10534f9b3eeSRoland Mainz const char e_globalref[] = "%s: global reference cannot refer to local variable"; 106da2e3ebdSchin const char e_noalias[] = "%s: alias not found\n"; 107da2e3ebdSchin const char e_format[] = "%s: bad format"; 108da2e3ebdSchin const char e_redef[] = "%s: type cannot be redefined"; 1097c2fbfb3SApril Chin const char e_required[] = "%s: is a required element of %s"; 110da2e3ebdSchin const char e_badtformat[] = "%c: bad format character in time format"; 111da2e3ebdSchin const char e_nolabels[] = "%s: label not implemented"; 112da2e3ebdSchin const char e_notimp[] = "%s: not implemented"; 1137c2fbfb3SApril Chin const char e_notelem[] = "%.*s: is not an element of %s"; 1147c2fbfb3SApril Chin const char e_notenum[] = "%s: not an enumeration type"; 1157c2fbfb3SApril Chin const char e_unknowntype[] = "%.*s: unknown type"; 116da2e3ebdSchin const char e_nosupport[] = "not supported"; 117da2e3ebdSchin const char e_badrange[] = "%d-%d: invalid range"; 118da2e3ebdSchin const char e_eneedsarg[] = "-e - requires single argument"; 119da2e3ebdSchin const char e_badbase[] = "%s unknown base"; 120da2e3ebdSchin const char e_loop[] = "%s: would cause loop"; 121da2e3ebdSchin const char e_overlimit[] = "%s: limit exceeded"; 122da2e3ebdSchin const char e_badsyntax[] = "incorrect syntax"; 123da2e3ebdSchin const char e_badwrite[] = "write to %d failed"; 124da2e3ebdSchin const char e_on [] = "on"; 125da2e3ebdSchin const char e_off[] = "off"; 126da2e3ebdSchin const char is_reserved[] = " is a keyword"; 127da2e3ebdSchin const char is_builtin[] = " is a shell builtin"; 1287c2fbfb3SApril Chin const char is_spcbuiltin[] = " is a special shell builtin"; 129da2e3ebdSchin const char is_builtver[] = "is a shell builtin version of"; 130da2e3ebdSchin const char is_alias[] = "%s is an alias for "; 131da2e3ebdSchin const char is_xalias[] = "%s is an exported alias for "; 132da2e3ebdSchin const char is_talias[] = "is a tracked alias for"; 133da2e3ebdSchin const char is_function[] = " is a function"; 134da2e3ebdSchin const char is_ufunction[] = " is an undefined function"; 135da2e3ebdSchin #ifdef JOBS 136da2e3ebdSchin # ifdef SIGTSTP 137da2e3ebdSchin const char e_newtty[] = "Switching to new tty driver..."; 138da2e3ebdSchin const char e_oldtty[] = "Reverting to old tty driver..."; 139da2e3ebdSchin const char e_no_start[] = "Cannot start job control"; 140da2e3ebdSchin # endif /*SIGTSTP */ 141da2e3ebdSchin const char e_no_jctl[] = "No job control"; 142da2e3ebdSchin const char e_terminate[] = "You have stopped jobs"; 143da2e3ebdSchin const char e_done[] = " Done"; 144da2e3ebdSchin const char e_nlspace[] = "\n "; 145da2e3ebdSchin const char e_running[] = " Running"; 146da2e3ebdSchin const char e_ambiguous[] = "%s: Ambiguous"; 147da2e3ebdSchin const char e_jobsrunning[] = "You have running jobs"; 148da2e3ebdSchin const char e_no_job[] = "no such job"; 149da2e3ebdSchin const char e_no_proc[] = "no such process"; 150da2e3ebdSchin const char e_jobusage[] = "%s: Arguments must be %%job or process ids"; 151da2e3ebdSchin #endif /* JOBS */ 152da2e3ebdSchin const char e_coredump[] = "(coredump)"; 153da2e3ebdSchin const char e_alphanum[] = "[_[:alpha:]]*([_[:alnum:]])"; 154da2e3ebdSchin const char e_devfdNN[] = "/dev/fd/+([0-9])"; 155da2e3ebdSchin const char e_devfdstd[] = "/dev/@(fd/+([0-9])|std@(in|out|err))"; 156da2e3ebdSchin const char e_signo[] = "Signal %d"; 157da2e3ebdSchin #if SHOPT_FS_3D 158da2e3ebdSchin const char e_cantget[] = "cannot get %s"; 159da2e3ebdSchin const char e_cantset[] = "cannot set %s"; 160da2e3ebdSchin const char e_mapping[] = "mapping"; 161da2e3ebdSchin const char e_versions[] = "versions"; 162da2e3ebdSchin #endif /* SHOPT_FS_3D */ 163da2e3ebdSchin 164da2e3ebdSchin /* string constants */ 165da2e3ebdSchin const char e_heading[] = "Current option settings"; 166da2e3ebdSchin const char e_sptbnl[] = " \t\n"; 167da2e3ebdSchin const char e_defpath[] = "/bin:/usr/bin:"; 168da2e3ebdSchin const char e_defedit[] = "/bin/ed"; 169da2e3ebdSchin const char e_unknown [] = "<command unknown>"; 170da2e3ebdSchin const char e_devnull[] = "/dev/null"; 171da2e3ebdSchin const char e_traceprompt[] = "+ "; 172da2e3ebdSchin const char e_supprompt[] = "# "; 173da2e3ebdSchin const char e_stdprompt[] = "$ "; 174da2e3ebdSchin const char e_profile[] = "$HOME/.profile"; 175da2e3ebdSchin const char e_sysprofile[] = "/etc/profile"; 176da2e3ebdSchin const char e_suidprofile[] = "/etc/suid_profile"; 177da2e3ebdSchin #if SHOPT_SYSRC 178da2e3ebdSchin const char e_sysrc[] = "/etc/ksh.kshrc"; 179da2e3ebdSchin #endif 180da2e3ebdSchin #if SHOPT_BASH 181da2e3ebdSchin #if SHOPT_SYSRC 182da2e3ebdSchin const char e_bash_sysrc[] = "/etc/bash.bashrc"; 183da2e3ebdSchin #endif 184da2e3ebdSchin const char e_bash_rc[] = "$HOME/.bashrc"; 185da2e3ebdSchin const char e_bash_login[] = "$HOME/.bash_login"; 186da2e3ebdSchin const char e_bash_logout[] = "$HOME/.bash_logout"; 187da2e3ebdSchin const char e_bash_profile[] = "$HOME/.bash_profile"; 188da2e3ebdSchin #endif 189da2e3ebdSchin const char e_crondir[] = "/usr/spool/cron/atjobs"; 190da2e3ebdSchin const char e_prohibited[] = "login setuid/setgid shells prohibited"; 191da2e3ebdSchin #if SHOPT_SUID_EXEC 192da2e3ebdSchin const char e_suidexec[] = "/etc/suid_exec"; 193da2e3ebdSchin #endif /* SHOPT_SUID_EXEC */ 194da2e3ebdSchin const char hist_fname[] = "/.sh_history"; 195da2e3ebdSchin const char e_dot[] = "."; 196da2e3ebdSchin const char e_envmarker[] = "A__z"; 197da2e3ebdSchin const char e_timeformat[] = "\nreal\t%2lR\nuser\t%2lU\nsys\t%2lS"; 198da2e3ebdSchin const char e_dict[] = "libshell"; 199