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Possible fixes...

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-Erik
This commit is contained in:
Erik Andersen 2000-01-08 22:04:33 +00:00
parent 766f9c7a19
commit ac6e71f0c4
2 changed files with 68 additions and 34 deletions
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51
init.c
View File

@ -107,9 +107,10 @@ initAction* initActionList = NULL;
static char *console = _PATH_CONSOLE; static char *console = _PATH_CONSOLE;
static char *second_console = VT_SECONDARY; static char *secondConsole = VT_SECONDARY;
static char *log = VT_LOG; static char *log = VT_LOG;
static int kernel_version = 0; static int kernelVersion = 0;
static char *termType = NULL;
/* try to open up the specified device */ /* try to open up the specified device */
@ -257,6 +258,12 @@ static void console_init()
struct serial_struct sr; struct serial_struct sr;
char *s; char *s;
if ((s = getenv("CONSOLE")) != NULL) {
termType = s;
} else {
termType = "TERM=vt100";
}
if ((s = getenv("CONSOLE")) != NULL) { if ((s = getenv("CONSOLE")) != NULL) {
console = s; console = s;
} }
@ -314,7 +321,7 @@ static void console_init()
if (ioctl(0,TIOCGSERIAL,&sr) == 0) { if (ioctl(0,TIOCGSERIAL,&sr) == 0) {
message(LOG|CONSOLE, "serial console detected. Disabling virtual terminals.\r\n", console ); message(LOG|CONSOLE, "serial console detected. Disabling virtual terminals.\r\n", console );
log = NULL; log = NULL;
second_console = NULL; secondConsole = NULL;
} }
close(fd); close(fd);
} }
@ -330,9 +337,18 @@ static pid_t run(char* command,
char* cmd[255]; char* cmd[255];
static const char press_enter[] = static const char press_enter[] =
"\nPlease press Enter to activate this console. "; "\nPlease press Enter to activate this console. ";
static char * environment[] = {
"HOME=/",
"PATH=/usr/bin:/bin:/usr/sbin:/sbin",
"SHELL=/bin/sh",
0,
"USER=root",
0
};
environment[3]=termType;
if ((pid = fork()) == 0) { if ((pid = fork()) == 0) {
int fd;
pid_t shell_pgid = getpid (); pid_t shell_pgid = getpid ();
/* Clean up */ /* Clean up */
@ -341,14 +357,14 @@ static pid_t run(char* command,
close(2); close(2);
setsid(); setsid();
if ((fd=device_open(terminal, O_RDWR)) < 0) { if (device_open(terminal, O_RDWR) < 0) {
message(LOG|CONSOLE, "Bummer, can't open %s\r\n", terminal); message(LOG|CONSOLE, "Bummer, can't open %s\r\n", terminal);
exit(1); exit(1);
} }
dup(fd); dup(0);
dup(fd); dup(0);
set_term(fd); tcsetpgrp (0, getpgrp());
tcsetpgrp (fd, getpgrp()); set_term(0);
/* Reset signal handlers set for parent process */ /* Reset signal handlers set for parent process */
signal(SIGUSR1, SIG_DFL); signal(SIGUSR1, SIG_DFL);
@ -389,7 +405,8 @@ static pid_t run(char* command,
/* Now run it. The new program will take over this PID, /* Now run it. The new program will take over this PID,
* so nothing further in init.c should be run. */ * so nothing further in init.c should be run. */
execvp(cmd[0], cmd); //execvp(cmd[0], cmd);
execve(cmd[0], cmd, environment);
/* We're still here? Some error happened. */ /* We're still here? Some error happened. */
message(LOG|CONSOLE, "Bummer, could not run '%s': %s\n", cmd[0], message(LOG|CONSOLE, "Bummer, could not run '%s': %s\n", cmd[0],
@ -464,7 +481,7 @@ static void shutdown_system(void)
message(CONSOLE, "Unmounting filesystems.\r\n"); message(CONSOLE, "Unmounting filesystems.\r\n");
waitfor("umount -a", console, FALSE); waitfor("umount -a", console, FALSE);
sync(); sync();
if (kernel_version > 0 && kernel_version <= 2 * 65536 + 2 * 256 + 11) { if (kernelVersion > 0 && kernelVersion <= 2 * 65536 + 2 * 256 + 11) {
/* bdflush, kupdate not needed for kernels >2.2.11 */ /* bdflush, kupdate not needed for kernels >2.2.11 */
bdflush(1, 0); bdflush(1, 0);
sync(); sync();
@ -505,7 +522,7 @@ void new_initAction (initActionEnum action,
/* If BusyBox detects that a serial console is in use, /* If BusyBox detects that a serial console is in use,
* then entries containing non-empty id fields will _not_ be run. * then entries containing non-empty id fields will _not_ be run.
*/ */
if (second_console == NULL && *cons != '\0') { if (secondConsole == NULL && *cons != '\0') {
return; return;
} }
@ -563,8 +580,8 @@ void parse_inittab(void)
/* Askfirst shell on tty1 */ /* Askfirst shell on tty1 */
new_initAction( ASKFIRST, SHELL, console ); new_initAction( ASKFIRST, SHELL, console );
/* Askfirst shell on tty2 */ /* Askfirst shell on tty2 */
if (second_console != NULL) if (secondConsole != NULL)
new_initAction( ASKFIRST, SHELL, second_console ); new_initAction( ASKFIRST, SHELL, secondConsole );
/* sysinit */ /* sysinit */
new_initAction( SYSINIT, INIT_SCRIPT, console ); new_initAction( SYSINIT, INIT_SCRIPT, console );
@ -698,7 +715,7 @@ extern int init_main(int argc, char **argv)
/* Mount /proc */ /* Mount /proc */
if (mount ("proc", "/proc", "proc", 0, 0) == 0) { if (mount ("proc", "/proc", "proc", 0, 0) == 0) {
message(LOG|CONSOLE, "Mounting /proc: done.\n"); message(LOG|CONSOLE, "Mounting /proc: done.\n");
kernel_version = get_kernel_revision(); kernelVersion = get_kernel_revision();
} else } else
message(LOG|CONSOLE, "Mounting /proc: failed!\n"); message(LOG|CONSOLE, "Mounting /proc: failed!\n");
@ -710,8 +727,8 @@ extern int init_main(int argc, char **argv)
!strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) !strcmp(argv[1], "-s") || !strcmp(argv[1], "1")))
{ {
/* Ask first then start a shell on tty2 */ /* Ask first then start a shell on tty2 */
if (second_console != NULL) if (secondConsole != NULL)
new_initAction( ASKFIRST, SHELL, second_console); new_initAction( ASKFIRST, SHELL, secondConsole);
/* Ask first then start a shell on tty1 */ /* Ask first then start a shell on tty1 */
new_initAction( ASKFIRST, SHELL, console); new_initAction( ASKFIRST, SHELL, console);
} else { } else {

51
init/init.c
View File

@ -107,9 +107,10 @@ initAction* initActionList = NULL;
static char *console = _PATH_CONSOLE; static char *console = _PATH_CONSOLE;
static char *second_console = VT_SECONDARY; static char *secondConsole = VT_SECONDARY;
static char *log = VT_LOG; static char *log = VT_LOG;
static int kernel_version = 0; static int kernelVersion = 0;
static char *termType = NULL;
/* try to open up the specified device */ /* try to open up the specified device */
@ -257,6 +258,12 @@ static void console_init()
struct serial_struct sr; struct serial_struct sr;
char *s; char *s;
if ((s = getenv("CONSOLE")) != NULL) {
termType = s;
} else {
termType = "TERM=vt100";
}
if ((s = getenv("CONSOLE")) != NULL) { if ((s = getenv("CONSOLE")) != NULL) {
console = s; console = s;
} }
@ -314,7 +321,7 @@ static void console_init()
if (ioctl(0,TIOCGSERIAL,&sr) == 0) { if (ioctl(0,TIOCGSERIAL,&sr) == 0) {
message(LOG|CONSOLE, "serial console detected. Disabling virtual terminals.\r\n", console ); message(LOG|CONSOLE, "serial console detected. Disabling virtual terminals.\r\n", console );
log = NULL; log = NULL;
second_console = NULL; secondConsole = NULL;
} }
close(fd); close(fd);
} }
@ -330,9 +337,18 @@ static pid_t run(char* command,
char* cmd[255]; char* cmd[255];
static const char press_enter[] = static const char press_enter[] =
"\nPlease press Enter to activate this console. "; "\nPlease press Enter to activate this console. ";
static char * environment[] = {
"HOME=/",
"PATH=/usr/bin:/bin:/usr/sbin:/sbin",
"SHELL=/bin/sh",
0,
"USER=root",
0
};
environment[3]=termType;
if ((pid = fork()) == 0) { if ((pid = fork()) == 0) {
int fd;
pid_t shell_pgid = getpid (); pid_t shell_pgid = getpid ();
/* Clean up */ /* Clean up */
@ -341,14 +357,14 @@ static pid_t run(char* command,
close(2); close(2);
setsid(); setsid();
if ((fd=device_open(terminal, O_RDWR)) < 0) { if (device_open(terminal, O_RDWR) < 0) {
message(LOG|CONSOLE, "Bummer, can't open %s\r\n", terminal); message(LOG|CONSOLE, "Bummer, can't open %s\r\n", terminal);
exit(1); exit(1);
} }
dup(fd); dup(0);
dup(fd); dup(0);
set_term(fd); tcsetpgrp (0, getpgrp());
tcsetpgrp (fd, getpgrp()); set_term(0);
/* Reset signal handlers set for parent process */ /* Reset signal handlers set for parent process */
signal(SIGUSR1, SIG_DFL); signal(SIGUSR1, SIG_DFL);
@ -389,7 +405,8 @@ static pid_t run(char* command,
/* Now run it. The new program will take over this PID, /* Now run it. The new program will take over this PID,
* so nothing further in init.c should be run. */ * so nothing further in init.c should be run. */
execvp(cmd[0], cmd); //execvp(cmd[0], cmd);
execve(cmd[0], cmd, environment);
/* We're still here? Some error happened. */ /* We're still here? Some error happened. */
message(LOG|CONSOLE, "Bummer, could not run '%s': %s\n", cmd[0], message(LOG|CONSOLE, "Bummer, could not run '%s': %s\n", cmd[0],
@ -464,7 +481,7 @@ static void shutdown_system(void)
message(CONSOLE, "Unmounting filesystems.\r\n"); message(CONSOLE, "Unmounting filesystems.\r\n");
waitfor("umount -a", console, FALSE); waitfor("umount -a", console, FALSE);
sync(); sync();
if (kernel_version > 0 && kernel_version <= 2 * 65536 + 2 * 256 + 11) { if (kernelVersion > 0 && kernelVersion <= 2 * 65536 + 2 * 256 + 11) {
/* bdflush, kupdate not needed for kernels >2.2.11 */ /* bdflush, kupdate not needed for kernels >2.2.11 */
bdflush(1, 0); bdflush(1, 0);
sync(); sync();
@ -505,7 +522,7 @@ void new_initAction (initActionEnum action,
/* If BusyBox detects that a serial console is in use, /* If BusyBox detects that a serial console is in use,
* then entries containing non-empty id fields will _not_ be run. * then entries containing non-empty id fields will _not_ be run.
*/ */
if (second_console == NULL && *cons != '\0') { if (secondConsole == NULL && *cons != '\0') {
return; return;
} }
@ -563,8 +580,8 @@ void parse_inittab(void)
/* Askfirst shell on tty1 */ /* Askfirst shell on tty1 */
new_initAction( ASKFIRST, SHELL, console ); new_initAction( ASKFIRST, SHELL, console );
/* Askfirst shell on tty2 */ /* Askfirst shell on tty2 */
if (second_console != NULL) if (secondConsole != NULL)
new_initAction( ASKFIRST, SHELL, second_console ); new_initAction( ASKFIRST, SHELL, secondConsole );
/* sysinit */ /* sysinit */
new_initAction( SYSINIT, INIT_SCRIPT, console ); new_initAction( SYSINIT, INIT_SCRIPT, console );
@ -698,7 +715,7 @@ extern int init_main(int argc, char **argv)
/* Mount /proc */ /* Mount /proc */
if (mount ("proc", "/proc", "proc", 0, 0) == 0) { if (mount ("proc", "/proc", "proc", 0, 0) == 0) {
message(LOG|CONSOLE, "Mounting /proc: done.\n"); message(LOG|CONSOLE, "Mounting /proc: done.\n");
kernel_version = get_kernel_revision(); kernelVersion = get_kernel_revision();
} else } else
message(LOG|CONSOLE, "Mounting /proc: failed!\n"); message(LOG|CONSOLE, "Mounting /proc: failed!\n");
@ -710,8 +727,8 @@ extern int init_main(int argc, char **argv)
!strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) !strcmp(argv[1], "-s") || !strcmp(argv[1], "1")))
{ {
/* Ask first then start a shell on tty2 */ /* Ask first then start a shell on tty2 */
if (second_console != NULL) if (secondConsole != NULL)
new_initAction( ASKFIRST, SHELL, second_console); new_initAction( ASKFIRST, SHELL, secondConsole);
/* Ask first then start a shell on tty1 */ /* Ask first then start a shell on tty1 */
new_initAction( ASKFIRST, SHELL, console); new_initAction( ASKFIRST, SHELL, console);
} else { } else {