diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-14 11:53:06 +0400 |
---|---|---|
committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-14 11:53:06 +0400 |
commit | d8540f71ac8d17ef461e2d52b3f63bd78b3c2c7e (patch) | |
tree | 2ab2ac263ef155ec9ea142ff297f89e634297bcf /init | |
parent | 1adf681e87f5cd81841f8a3d84a8d9bdf83c7406 (diff) |
init: make sure fd 0,1,2 are not closed, + related optimizations.
init_main 929 920 -9
bb_daemonize_or_rexec 145 127 -18
Diffstat (limited to 'init')
-rw-r--r-- | init/init.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/init/init.c b/init/init.c index da79d101d..5c7efe210 100644 --- a/init/init.c +++ b/init/init.c @@ -273,6 +273,9 @@ static void console_init(void) while (fd > 2) close(fd--); } messageD(L_LOG, "console='%s'", s); + } else { + /* Make sure fd 0,1,2 are not closed */ + bb_sanitize_stdio(); } s = getenv("TERM"); @@ -288,20 +291,14 @@ static void console_init(void) putenv((char*)"TERM=linux"); } -static void fixup_argv(int argc, char **argv, const char *new_argv0) +static void fixup_argv(char **argv) { - int len; - /* Fix up argv[0] to be certain we claim to be init */ - len = strlen(argv[0]); - strncpy(argv[0], new_argv0, len); + strncpy(argv[0], "init", strlen(argv[0])); /* Wipe argv[1]-argv[N] so they don't clutter the ps listing */ - len = 1; - while (argc > len) { - memset(argv[len], 0, strlen(argv[len])); - len++; - } + while (*++argv) + memset(*argv, 0, strlen(*argv)); } /* Open the new terminal device */ @@ -919,6 +916,7 @@ int init_main(int argc, char **argv) init_reboot(RB_DISABLE_CAD); #endif + /* Figure out where the default console should be */ console_init(); set_sane_term(); @@ -972,7 +970,7 @@ int init_main(int argc, char **argv) if (getenv("SELINUX_INIT") == NULL) { int enforce = 0; - putenv("SELINUX_INIT=YES"); + putenv((char*)"SELINUX_INIT=YES"); if (selinux_init_load_policy(&enforce) == 0) { BB_EXECVP(argv[0], argv); } else if (enforce > 0) { @@ -986,7 +984,7 @@ int init_main(int argc, char **argv) #endif /* CONFIG_SELINUX */ /* Make the command line just say "init" -- thats all, nothing else */ - fixup_argv(argc, argv, "init"); + fixup_argv(argv); /* Now run everything that needs to be run */ |