1 files changed, 22 insertions, 2 deletions

diff --git a/init.c b/init.c
index 907916537..f327a52af 100644
--- a/init.c
+++ b/init.c
@@ -45,7 +45,7 @@
 #include <sys/reboot.h>
 #include <sys/sysinfo.h>                /* For check_free_memory() */
 #ifdef BB_SYSLOGD
-#include <sys/syslog.h>
+# include <sys/syslog.h>
 #endif
 #include <sys/sysmacros.h>
 #include <sys/types.h>
@@ -54,6 +54,15 @@
 #include <termios.h>
 #include <unistd.h>
 
+
+/*
+ * When CORE_ENABLE_FLAG_FILE exists, setrlimit is called before
+ * process is spawned to set corelimit to unlimited.
+ */
+#define CORE_ENABLE_FLAG_FILE "/.init_enable_core"
+#include <sys/resource.h>
+#include <sys/time.h>
+
 #ifndef KERNEL_VERSION
 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
 #endif
@@ -406,6 +415,16 @@ static pid_t run(char *command, char *terminal, int get_enter)
                         cmd[i] = NULL;
                 }
 
+                {
+                        struct stat sb;
+                        if (stat (CORE_ENABLE_FLAG_FILE, &sb) == 0) {
+                                struct rlimit limit;
+                                limit.rlim_cur = RLIM_INFINITY;
+                                limit.rlim_max = RLIM_INFINITY;
+                                setrlimit(RLIMIT_CORE, &limit);
+                        }
+                }
+
                 /* Now run it.  The new program will take over this PID, 
                  * so nothing further in init.c should be run. */
                 execve(cmd[0], cmd, environment);
@@ -836,6 +855,7 @@ extern int init_main(int argc, char **argv)
         close(1);
         close(2);
         set_term(0);
+        chdir("/");
         setsid();
 
         /* Make sure PATH is set to something sane */
@@ -881,7 +901,7 @@ extern int init_main(int argc, char **argv)
                  * of "askfirst" shells */
                 parse_inittab();
         }
-        
+
         /* Fix up argv[0] to be certain we claim to be init */
         strncpy(argv[0], "init", strlen(argv[0])+1);
         if (argc > 1)