diff options
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c index dc1a55a6b..25468d796 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -148,6 +148,21 @@ //config: you to run the specified command or builtin, //config: even when there is a function with the same name. //config: +//config:config ASH_EMBEDDED_SCRIPTS +//config: bool "Embed scripts in the binary" +//config: default y +//config: depends on ASH || SH_IS_ASH || BASH_IS_ASH +//config: help +//config: Allow scripts to be compressed and embedded in the BusyBox +//config: binary. The scripts should be placed in the 'embed' directory +//config: at build time. In standalone shell mode such scripts can be +//config: run directly and are subject to tab completion; otherwise they +//config: can be run by giving their name as an argument to the shell. +//config: For convenience shell aliases are created. The '-L' shell +//config: argument lists the names of the scripts. Like applets scripts +//config: can be run as 'busybox name ...' or by linking their name to +//config: the binary. +//config: //config:endif # ash options //applet:IF_ASH(APPLET(ash, BB_DIR_BIN, BB_SUID_DROP)) @@ -181,6 +196,11 @@ #include <sys/times.h> #include <sys/utsname.h> /* for setting $HOSTNAME */ #include "busybox.h" /* for applet_names */ +#if ENABLE_ASH_EMBEDDED_SCRIPTS +# include "embedded_scripts.h" +#else +# define NUM_SCRIPTS 0 +#endif /* So far, all bash compat is controlled by one config option */ /* Separate defines document which part of code implements what */ @@ -14021,13 +14041,17 @@ procargs(char **argv) int login_sh; xargv = argv; +#if NUM_SCRIPTS > 0 + if (minusc) + goto setarg0; +#endif login_sh = xargv[0] && xargv[0][0] == '-'; arg0 = xargv[0]; /* if (xargv[0]) - mmm, this is always true! */ xargv++; + argptr = xargv; for (i = 0; i < NOPTS; i++) optlist[i] = 2; - argptr = xargv; if (options(/*cmdline:*/ 1, &login_sh)) { /* it already printed err message */ raise_exception(EXERROR); @@ -14130,6 +14154,7 @@ extern int etext(); */ int ash_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int ash_main(int argc UNUSED_PARAM, char **argv) +/* note: 'argc' is used only if embedded scripts are enabled */ { volatile smallint state; struct jmploc jmploc; @@ -14183,6 +14208,12 @@ int ash_main(int argc UNUSED_PARAM, char **argv) init(); setstackmark(&smark); + +#if NUM_SCRIPTS > 0 + if (argc < 0) + /* Non-NULL minusc tells procargs that an embedded script is being run */ + minusc = get_script_content(-argc - 1); +#endif login_sh = procargs(argv); #if DEBUG TRACE(("Shell args: ")); |