Ha! Got init working. -Erik
No binary (build failed)
—
(log yok)
| @@ -17,12 +17,12 @@ | |
| PROG=busybox | |
| - | VERSION=0.31 |
| + | VERSION=0.32 |
| BUILDTIME=$(shell date "+%Y%m%d-%H%M") | |
| # Comment out the following to make a debuggable build | |
| # Leave this off for production use. | |
| - | DODEBUG=true |
| + | DODEBUG=false |
| # If you want a static binary, turn this on. I can't think | |
| # of many situations where anybody would ever want it static, | |
| # but... | |
| @@ -34,7 +34,7 @@ ARCH=`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'` | |
| # -D_GNU_SOURCE is needed because environ is used in init.c | |
| ifeq ($(DODEBUG),true) | |
| - | CFLAGS=-Wall -g -D_GNU_SOURCE |
| + | CFLAGS=-Wall -g -D_GNU_SOURCE -DDEBUG_INIT |
| STRIP= | |
| LDFLAGS= | |
| else | |
| @@ -15,12 +15,12 @@ | |
| #define BB_DMESG | |
| //#define BB_DUTMP | |
| //#define BB_FDFLUSH | |
| - | //#define BB_FIND |
| - | //#define BB_FSCK_MINIX |
| - | //#define BB_MKFS_MINIX |
| + | #define BB_FIND |
| + | #define BB_FSCK_MINIX |
| + | #define BB_MKFS_MINIX |
| #define BB_CHVT | |
| #define BB_DEALLOCVT | |
| - | //#define BB_GREP |
| + | #define BB_GREP |
| //#define BB_HALT | |
| #define BB_INIT | |
| #define BB_KILL | |
| @@ -1,5 +1,5 @@ | |
| Name: busybox | |
| - | Version: 0.29alpha |
| + | Version: 0.32 |
| Release: 1 | |
| Group: System/Utilities | |
| Summary: BusyBox is a tiny suite of Unix utilities in a multi-call binary. | |
| @@ -7,7 +7,7 @@ Copyright: GPL | |
| Packager : Erik Andersen <[email protected]> | |
| Conflicts: fileutils grep shellutils | |
| Buildroot: /tmp/%{Name}-%{Version} | |
| - | Source: busybox-0.29a1.tar.gz |
| + | Source: busybox-0.32.tar.gz |
| %Description | |
| BusyBox is a suite of "tiny" Unix utilities in a multi-call binary. It | |
| @@ -1,5 +1,5 @@ | |
| Name: busybox | |
| - | Version: 0.29alpha |
| + | Version: 0.32 |
| Release: 1 | |
| Group: System/Utilities | |
| Summary: BusyBox is a tiny suite of Unix utilities in a multi-call binary. | |
| @@ -7,7 +7,7 @@ Copyright: GPL | |
| Packager : Erik Andersen <[email protected]> | |
| Conflicts: fileutils grep shellutils | |
| Buildroot: /tmp/%{Name}-%{Version} | |
| - | Source: busybox-0.29a1.tar.gz |
| + | Source: busybox-0.32.tar.gz |
| %Description | |
| BusyBox is a suite of "tiny" Unix utilities in a multi-call binary. It | |
| @@ -42,14 +42,15 @@ | |
| #include <sys/ioctl.h> | |
| /* Turn this on to debug init so it won't reboot when killed */ | |
| - | #define DEBUG_INIT |
| + | //#define DEBUG_INIT |
| #define CONSOLE "/dev/console" /* Logical system console */ | |
| #define VT_PRIMARY "/dev/tty0" /* Virtual console master */ | |
| #define VT_SECONDARY "/dev/tty1" /* Virtual console master */ | |
| #define VT_LOG "/dev/tty2" /* Virtual console master */ | |
| #define SHELL "/bin/sh" /* Default shell */ | |
| - | #define INITSCRIPT "/etc/init.d/rcS" /* Initscript. */ |
| + | //#define INITSCRIPT "/etc/init.d/rcS" /* Initscript. */ |
| + | #define INITSCRIPT "/tmp/foo.sh" |
| #define PATH_DEFAULT "PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin" | |
| static char *console = CONSOLE; | |
| @@ -218,8 +219,9 @@ static int waitfor(int pid) | |
| static pid_t run(const char * const* command, | |
| char *terminal, int get_enter) | |
| { | |
| - | int i, f; |
| + | int fd; |
| pid_t pid; | |
| + | const char * const* cmd = command; |
| static const char press_enter[] = | |
| "\nPlease press Enter to activate this console. "; | |
| @@ -230,13 +232,22 @@ static pid_t run(const char * const* command, | |
| close(2); | |
| setsid(); | |
| - | f=open(terminal, O_RDWR); |
| - | dup(f); |
| - | dup(f); |
| + | /* Reset signal handlers set for parent process */ |
| + | signal(SIGUSR1, SIG_DFL); |
| + | signal(SIGUSR2, SIG_DFL); |
| + | signal(SIGINT, SIG_DFL); |
| + | signal(SIGTERM, SIG_DFL); |
| + | |
| + | if ((fd = device_open(terminal, O_RDWR)) < 0) { |
| + | message(log, "Bummer, can't open %s\r\n", terminal); |
| + | exit(-1); |
| + | } |
| + | dup(fd); |
| + | dup(fd); |
| tcsetpgrp(0, getpgrp()); | |
| set_term(0); | |
| - | if (get_enter) { |
| + | if (get_enter==TRUE) { |
| /* | |
| * Save memory by not exec-ing anything large (like a shell) | |
| * before the user wants it. This is critical if swap is not | |
| @@ -251,51 +262,45 @@ static pid_t run(const char * const* command, | |
| } | |
| /* Log the process name and args */ | |
| - | |
| + | message(log, "Executing pid(%d): '", getpid()); |
| + | while ( *cmd) message(log, "%s ", *cmd++); |
| + | message(log, "'\r\n"); |
| + | |
| /* Now run it. The new program will take over this PID, | |
| * so nothing further in init.c should be run. */ | |
| - | message(log, "Executing '%s', pid(%d)\r\n", *command, getpid()); |
| execvp(*command, (char**)command+1); | |
| - | message(log, "Hmm. Trying as a script.\r\n"); |
| - | /* If shell scripts are not executed, force the issue */ |
| - | if (errno == ENOEXEC) { |
| - | char * args[16]; |
| - | args[0] = SHELL; |
| - | args[1] = "-c"; |
| - | args[2] = "exec"; |
| - | for( i=0 ; i<16 && command[i]; i++) |
| - | args[3+i] = (char*)command[i]; |
| - | args[i] = NULL; |
| - | execvp(*args, (char**)args+1); |
| - | } |
| - | message(log, "Could not execute '%s'\n", command); |
| + | message(log, "Bummer, could not execute '%s'\n", command); |
| exit(-1); | |
| } | |
| return pid; | |
| } | |
| - | #ifndef DEBUG_INIT |
| static void shutdown_system(void) | |
| { | |
| - | const char* const swap_off_cmd[] = { "/bin/swapoff", "-a", 0}; |
| - | const char* const umount_cmd[] = { "/bin/umount", "-a", "-n", 0}; |
| + | const char* const swap_off_cmd[] = { "swapoff", "swapoff", "-a", 0}; |
| + | const char* const umount_cmd[] = { "umount", "umount", "-a", "-n", 0}; |
| message(console, "The system is going down NOW !!\r\n"); | |
| sync(); | |
| + | #ifndef DEBUG_INIT |
| /* Allow Ctrl-Alt-Del to reboot system. */ | |
| reboot(RB_ENABLE_CAD); | |
| - | |
| + | #endif |
| /* Send signals to every process _except_ pid 1 */ | |
| message(console, "Sending SIGHUP to all processes.\r\n"); | |
| + | #ifndef DEBUG_INIT |
| kill(-1, SIGHUP); | |
| + | #endif |
| sleep(2); | |
| sync(); | |
| message(console, "Sending SIGKILL to all processes.\r\n"); | |
| + | #ifndef DEBUG_INIT |
| kill(-1, SIGKILL); | |
| + | #endif |
| sleep(1); | |
| - | waitfor(run( swap_off_cmd, console, 0)); |
| - | waitfor(run( umount_cmd, console, 0)); |
| + | waitfor(run( swap_off_cmd, log, FALSE)); |
| + | waitfor(run( umount_cmd, log, FALSE)); |
| sync(); | |
| if (get_kernel_revision() <= 2 * 65536 + 2 * 256 + 11) { | |
| /* Removed bdflush call, kupdate in kernels >2.2.11 */ | |
| @@ -309,7 +314,9 @@ static void halt_signal(int sig) | |
| shutdown_system(); | |
| message(console, | |
| "The system is halted. Press CTRL-ALT-DEL or turn off power\r\n"); | |
| + | #ifndef DEBUG_INIT |
| reboot(RB_POWER_OFF); | |
| + | #endif |
| exit(0); | |
| } | |
| @@ -317,45 +324,44 @@ static void reboot_signal(int sig) | |
| { | |
| shutdown_system(); | |
| message(console, "Please stand by while rebooting the system.\r\n"); | |
| + | #ifndef DEBUG_INIT |
| reboot(RB_AUTOBOOT); | |
| + | #endif |
| exit(0); | |
| } | |
| - | #endif |
| extern int init_main(int argc, char **argv) | |
| { | |
| int run_rc = TRUE; | |
| + | int wait_for_enter = FALSE; |
| pid_t pid1 = 0; | |
| pid_t pid2 = 0; | |
| struct stat statbuf; | |
| - | const char* const swap_on_cmd[] = { "/bin/swapon", " -a ", 0}; |
| - | const char* const init_commands[] = { SHELL, " -c", " exec ", INITSCRIPT, 0}; |
| - | const char* const shell_commands[] = { SHELL, " -", 0}; |
| + | const char* const swap_on_cmd[] = { "/bin/swapon", "swapon", "-a", 0}; |
| + | const char* const init_commands[] = { INITSCRIPT, INITSCRIPT, 0}; |
| + | const char* const shell_commands[] = { SHELL, "-" SHELL, 0}; |
| const char* const* tty0_commands = init_commands; | |
| const char* const* tty1_commands = shell_commands; | |
| - | #ifndef DEBUG_INIT |
| + | #ifdef DEBUG_INIT |
| char *hello_msg_format = | |
| - | "init started: BusyBox v%s (%s) multi-call binary\r\n"; |
| + | "init(%d) started: BusyBox v%s (%s) multi-call binary\r\n"; |
| #else | |
| char *hello_msg_format = | |
| - | "init(%d) started: BusyBox v%s (%s) multi-call binary\r\n"; |
| + | "init started: BusyBox v%s (%s) multi-call binary\r\n"; |
| #endif | |
| const char *no_memory = | |
| "Sorry, your computer does not have enough memory.\r\n"; | |
| - | #ifndef DEBUG_INIT |
| - | /* Set up sig handlers */ |
| + | /* Set up sig handlers -- be sure to |
| + | * clear all of these in run() */ |
| signal(SIGUSR1, halt_signal); | |
| - | signal(SIGSEGV, halt_signal); |
| - | signal(SIGPWR, halt_signal); |
| - | signal(SIGALRM, halt_signal); |
| - | signal(SIGHUP, halt_signal); |
| signal(SIGUSR2, reboot_signal); | |
| signal(SIGINT, reboot_signal); | |
| signal(SIGTERM, reboot_signal); | |
| /* Turn off rebooting via CTL-ALT-DEL -- we get a | |
| * SIGINT on CAD so we can shut things down gracefully... */ | |
| + | #ifndef DEBUG_INIT |
| reboot(RB_DISABLE_CAD); | |
| #endif | |
| /* Figure out where the default console should be */ | |
| @@ -383,7 +389,7 @@ extern int init_main(int argc, char **argv) | |
| /* Mount /proc */ | |
| - | if (mount("/proc", "/proc", "proc", 0, 0) == 0) { |
| + | if (mount ("proc", "/proc", "proc", 0, 0) == 0) { |
| message(log, "Mounting /proc: done.\n"); | |
| message(console, "Mounting /proc: done.\n"); | |
| } else { | |
| @@ -403,7 +409,7 @@ extern int init_main(int argc, char **argv) | |
| } | |
| } else { | |
| /* Try to turn on swap */ | |
| - | waitfor(run(swap_on_cmd, console, 0)); |
| + | waitfor(run(swap_on_cmd, log, FALSE)); |
| if (mem_total() < 2000) { | |
| message(console, "%s", no_memory); | |
| while (1) { | |
| @@ -417,12 +423,14 @@ extern int init_main(int argc, char **argv) | |
| if ( argc > 1 && (!strcmp(argv[1], "single") || | |
| !strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) { | |
| run_rc = FALSE; | |
| + | wait_for_enter = TRUE; |
| tty0_commands = shell_commands; | |
| tty1_commands = shell_commands; | |
| } | |
| /* Make sure an init script exists before trying to run it */ | |
| if (run_rc == TRUE && stat(INITSCRIPT, &statbuf)) { | |
| + | wait_for_enter = TRUE; |
| tty0_commands = shell_commands; | |
| tty1_commands = shell_commands; | |
| } | |
| @@ -435,10 +443,10 @@ extern int init_main(int argc, char **argv) | |
| int status; | |
| if (pid1 == 0 && tty0_commands) { | |
| - | pid1 = run(tty0_commands, console, 1); |
| + | pid1 = run(tty0_commands, console, wait_for_enter); |
| } | |
| if (pid2 == 0 && tty1_commands) { | |
| - | pid2 = run(tty1_commands, second_terminal, 1); |
| + | pid2 = run(tty1_commands, second_terminal, TRUE); |
| } | |
| wpid = wait(&status); | |
| if (wpid > 0 ) { | |
| @@ -42,14 +42,15 @@ | |
| #include <sys/ioctl.h> | |
| /* Turn this on to debug init so it won't reboot when killed */ | |
| - | #define DEBUG_INIT |
| + | //#define DEBUG_INIT |
| #define CONSOLE "/dev/console" /* Logical system console */ | |
| #define VT_PRIMARY "/dev/tty0" /* Virtual console master */ | |
| #define VT_SECONDARY "/dev/tty1" /* Virtual console master */ | |
| #define VT_LOG "/dev/tty2" /* Virtual console master */ | |
| #define SHELL "/bin/sh" /* Default shell */ | |
| - | #define INITSCRIPT "/etc/init.d/rcS" /* Initscript. */ |
| + | //#define INITSCRIPT "/etc/init.d/rcS" /* Initscript. */ |
| + | #define INITSCRIPT "/tmp/foo.sh" |
| #define PATH_DEFAULT "PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin" | |
| static char *console = CONSOLE; | |
| @@ -218,8 +219,9 @@ static int waitfor(int pid) | |
| static pid_t run(const char * const* command, | |
| char *terminal, int get_enter) | |
| { | |
| - | int i, f; |
| + | int fd; |
| pid_t pid; | |
| + | const char * const* cmd = command; |
| static const char press_enter[] = | |
| "\nPlease press Enter to activate this console. "; | |
| @@ -230,13 +232,22 @@ static pid_t run(const char * const* command, | |
| close(2); | |
| setsid(); | |
| - | f=open(terminal, O_RDWR); |
| - | dup(f); |
| - | dup(f); |
| + | /* Reset signal handlers set for parent process */ |
| + | signal(SIGUSR1, SIG_DFL); |
| + | signal(SIGUSR2, SIG_DFL); |
| + | signal(SIGINT, SIG_DFL); |
| + | signal(SIGTERM, SIG_DFL); |
| + | |
| + | if ((fd = device_open(terminal, O_RDWR)) < 0) { |
| + | message(log, "Bummer, can't open %s\r\n", terminal); |
| + | exit(-1); |
| + | } |
| + | dup(fd); |
| + | dup(fd); |
| tcsetpgrp(0, getpgrp()); | |
| set_term(0); | |
| - | if (get_enter) { |
| + | if (get_enter==TRUE) { |
| /* | |
| * Save memory by not exec-ing anything large (like a shell) | |
| * before the user wants it. This is critical if swap is not | |
| @@ -251,51 +262,45 @@ static pid_t run(const char * const* command, | |
| } | |
| /* Log the process name and args */ | |
| - | |
| + | message(log, "Executing pid(%d): '", getpid()); |
| + | while ( *cmd) message(log, "%s ", *cmd++); |
| + | message(log, "'\r\n"); |
| + | |
| /* Now run it. The new program will take over this PID, | |
| * so nothing further in init.c should be run. */ | |
| - | message(log, "Executing '%s', pid(%d)\r\n", *command, getpid()); |
| execvp(*command, (char**)command+1); | |
| - | message(log, "Hmm. Trying as a script.\r\n"); |
| - | /* If shell scripts are not executed, force the issue */ |
| - | if (errno == ENOEXEC) { |
| - | char * args[16]; |
| - | args[0] = SHELL; |
| - | args[1] = "-c"; |
| - | args[2] = "exec"; |
| - | for( i=0 ; i<16 && command[i]; i++) |
| - | args[3+i] = (char*)command[i]; |
| - | args[i] = NULL; |
| - | execvp(*args, (char**)args+1); |
| - | } |
| - | message(log, "Could not execute '%s'\n", command); |
| + | message(log, "Bummer, could not execute '%s'\n", command); |
| exit(-1); | |
| } | |
| return pid; | |
| } | |
| - | #ifndef DEBUG_INIT |
| static void shutdown_system(void) | |
| { | |
| - | const char* const swap_off_cmd[] = { "/bin/swapoff", "-a", 0}; |
| - | const char* const umount_cmd[] = { "/bin/umount", "-a", "-n", 0}; |
| + | const char* const swap_off_cmd[] = { "swapoff", "swapoff", "-a", 0}; |
| + | const char* const umount_cmd[] = { "umount", "umount", "-a", "-n", 0}; |
| message(console, "The system is going down NOW !!\r\n"); | |
| sync(); | |
| + | #ifndef DEBUG_INIT |
| /* Allow Ctrl-Alt-Del to reboot system. */ | |
| reboot(RB_ENABLE_CAD); | |
| - | |
| + | #endif |
| /* Send signals to every process _except_ pid 1 */ | |
| message(console, "Sending SIGHUP to all processes.\r\n"); | |
| + | #ifndef DEBUG_INIT |
| kill(-1, SIGHUP); | |
| + | #endif |
| sleep(2); | |
| sync(); | |
| message(console, "Sending SIGKILL to all processes.\r\n"); | |
| + | #ifndef DEBUG_INIT |
| kill(-1, SIGKILL); | |
| + | #endif |
| sleep(1); | |
| - | waitfor(run( swap_off_cmd, console, 0)); |
| - | waitfor(run( umount_cmd, console, 0)); |
| + | waitfor(run( swap_off_cmd, log, FALSE)); |
| + | waitfor(run( umount_cmd, log, FALSE)); |
| sync(); | |
| if (get_kernel_revision() <= 2 * 65536 + 2 * 256 + 11) { | |
| /* Removed bdflush call, kupdate in kernels >2.2.11 */ | |
| @@ -309,7 +314,9 @@ static void halt_signal(int sig) | |
| shutdown_system(); | |
| message(console, | |
| "The system is halted. Press CTRL-ALT-DEL or turn off power\r\n"); | |
| + | #ifndef DEBUG_INIT |
| reboot(RB_POWER_OFF); | |
| + | #endif |
| exit(0); | |
| } | |
| @@ -317,45 +324,44 @@ static void reboot_signal(int sig) | |
| { | |
| shutdown_system(); | |
| message(console, "Please stand by while rebooting the system.\r\n"); | |
| + | #ifndef DEBUG_INIT |
| reboot(RB_AUTOBOOT); | |
| + | #endif |
| exit(0); | |
| } | |
| - | #endif |
| extern int init_main(int argc, char **argv) | |
| { | |
| int run_rc = TRUE; | |
| + | int wait_for_enter = FALSE; |
| pid_t pid1 = 0; | |
| pid_t pid2 = 0; | |
| struct stat statbuf; | |
| - | const char* const swap_on_cmd[] = { "/bin/swapon", " -a ", 0}; |
| - | const char* const init_commands[] = { SHELL, " -c", " exec ", INITSCRIPT, 0}; |
| - | const char* const shell_commands[] = { SHELL, " -", 0}; |
| + | const char* const swap_on_cmd[] = { "/bin/swapon", "swapon", "-a", 0}; |
| + | const char* const init_commands[] = { INITSCRIPT, INITSCRIPT, 0}; |
| + | const char* const shell_commands[] = { SHELL, "-" SHELL, 0}; |
| const char* const* tty0_commands = init_commands; | |
| const char* const* tty1_commands = shell_commands; | |
| - | #ifndef DEBUG_INIT |
| + | #ifdef DEBUG_INIT |
| char *hello_msg_format = | |
| - | "init started: BusyBox v%s (%s) multi-call binary\r\n"; |
| + | "init(%d) started: BusyBox v%s (%s) multi-call binary\r\n"; |
| #else | |
| char *hello_msg_format = | |
| - | "init(%d) started: BusyBox v%s (%s) multi-call binary\r\n"; |
| + | "init started: BusyBox v%s (%s) multi-call binary\r\n"; |
| #endif | |
| const char *no_memory = | |
| "Sorry, your computer does not have enough memory.\r\n"; | |
| - | #ifndef DEBUG_INIT |
| - | /* Set up sig handlers */ |
| + | /* Set up sig handlers -- be sure to |
| + | * clear all of these in run() */ |
| signal(SIGUSR1, halt_signal); | |
| - | signal(SIGSEGV, halt_signal); |
| - | signal(SIGPWR, halt_signal); |
| - | signal(SIGALRM, halt_signal); |
| - | signal(SIGHUP, halt_signal); |
| signal(SIGUSR2, reboot_signal); | |
| signal(SIGINT, reboot_signal); | |
| signal(SIGTERM, reboot_signal); | |
| /* Turn off rebooting via CTL-ALT-DEL -- we get a | |
| * SIGINT on CAD so we can shut things down gracefully... */ | |
| + | #ifndef DEBUG_INIT |
| reboot(RB_DISABLE_CAD); | |
| #endif | |
| /* Figure out where the default console should be */ | |
| @@ -383,7 +389,7 @@ extern int init_main(int argc, char **argv) | |
| /* Mount /proc */ | |
| - | if (mount("/proc", "/proc", "proc", 0, 0) == 0) { |
| + | if (mount ("proc", "/proc", "proc", 0, 0) == 0) { |
| message(log, "Mounting /proc: done.\n"); | |
| message(console, "Mounting /proc: done.\n"); | |
| } else { | |
| @@ -403,7 +409,7 @@ extern int init_main(int argc, char **argv) | |
| } | |
| } else { | |
| /* Try to turn on swap */ | |
| - | waitfor(run(swap_on_cmd, console, 0)); |
| + | waitfor(run(swap_on_cmd, log, FALSE)); |
| if (mem_total() < 2000) { | |
| message(console, "%s", no_memory); | |
| while (1) { | |
| @@ -417,12 +423,14 @@ extern int init_main(int argc, char **argv) | |
| if ( argc > 1 && (!strcmp(argv[1], "single") || | |
| !strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) { | |
| run_rc = FALSE; | |
| + | wait_for_enter = TRUE; |
| tty0_commands = shell_commands; | |
| tty1_commands = shell_commands; | |
| } | |
| /* Make sure an init script exists before trying to run it */ | |
| if (run_rc == TRUE && stat(INITSCRIPT, &statbuf)) { | |
| + | wait_for_enter = TRUE; |
| tty0_commands = shell_commands; | |
| tty1_commands = shell_commands; | |
| } | |
| @@ -435,10 +443,10 @@ extern int init_main(int argc, char **argv) | |
| int status; | |
| if (pid1 == 0 && tty0_commands) { | |
| - | pid1 = run(tty0_commands, console, 1); |
| + | pid1 = run(tty0_commands, console, wait_for_enter); |
| } | |
| if (pid2 == 0 && tty1_commands) { | |
| - | pid2 = run(tty1_commands, second_terminal, 1); |
| + | pid2 = run(tty1_commands, second_terminal, TRUE); |
| } | |
| wpid = wait(&status); | |
| if (wpid > 0 ) { | |
| @@ -60,7 +60,7 @@ get_kernel_revision() | |
| file = fopen(filename,"r"); | |
| if (file == NULL) { | |
| - | perror(filename); |
| + | /* bummer, /proc must not be mounted... */ |
| return( 0); | |
| } | |
| fscanf(file,"%d.%d.%d",&major,&minor,&patch); | |