diff options
Diffstat (limited to 'coreutils')
-rw-r--r-- | coreutils/rm.c | 5 | ||||
-rw-r--r-- | coreutils/seq.c | 5 | ||||
-rw-r--r-- | coreutils/usleep.c | 7 | ||||
-rw-r--r-- | coreutils/yes.c | 3 |
4 files changed, 15 insertions, 5 deletions
diff --git a/coreutils/rm.c b/coreutils/rm.c index f91c945..5e4acab 100644 --- a/coreutils/rm.c +++ b/coreutils/rm.c @@ -16,7 +16,8 @@ //config: help //config: rm is used to remove files or directories. -//applet:IF_RM(APPLET_NOFORK(rm, rm, BB_DIR_BIN, BB_SUID_DROP, rm)) +//applet:IF_RM(APPLET_NOEXEC(rm, rm, BB_DIR_BIN, BB_SUID_DROP, rm)) +/* was NOFORK, but then "rm -i FILE" can't be ^C'ed if run by hush */ //kbuild:lib-$(CONFIG_RM) += rm.o @@ -36,7 +37,7 @@ #include "libbb.h" -/* This is a NOFORK applet. Be very careful! */ +/* This is a NOEXEC applet. Be very careful! */ int rm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int rm_main(int argc UNUSED_PARAM, char **argv) diff --git a/coreutils/seq.c b/coreutils/seq.c index f36dbb4..c26ff06 100644 --- a/coreutils/seq.c +++ b/coreutils/seq.c @@ -12,7 +12,8 @@ //config: help //config: print a sequence of numbers -//applet:IF_SEQ(APPLET_NOFORK(seq, seq, BB_DIR_USR_BIN, BB_SUID_DROP, seq)) +//applet:IF_SEQ(APPLET_NOEXEC(seq, seq, BB_DIR_USR_BIN, BB_SUID_DROP, seq)) +/* was NOFORK, but then "seq 1 999999999" can't be ^C'ed if run by hush */ //kbuild:lib-$(CONFIG_SEQ) += seq.o @@ -26,7 +27,7 @@ #include "libbb.h" -/* This is a NOFORK applet. Be very careful! */ +/* This is a NOEXEC applet. Be very careful! */ int seq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int seq_main(int argc, char **argv) diff --git a/coreutils/usleep.c b/coreutils/usleep.c index 7c25aad..684ab78 100644 --- a/coreutils/usleep.c +++ b/coreutils/usleep.c @@ -38,6 +38,13 @@ int usleep_main(int argc UNUSED_PARAM, char **argv) bb_show_usage(); } + /* Safe wrt NOFORK? (noforks are not allowed to run for + * a long time). Try "usleep 99999999" + ^C + "echo $?" + * in hush with FEATURE_SH_NOFORK=y. + * At least on uclibc, usleep() thanslates to nanosleep() + * which returns early on any signal (even caught one), + * and uclibc does not loop back on EINTR. + */ usleep(xatou(argv[1])); return EXIT_SUCCESS; diff --git a/coreutils/yes.c b/coreutils/yes.c index ea35d14..c244bfe 100644 --- a/coreutils/yes.c +++ b/coreutils/yes.c @@ -17,7 +17,8 @@ //config: yes is used to repeatedly output a specific string, or //config: the default string 'y'. -//applet:IF_YES(APPLET_NOFORK(yes, yes, BB_DIR_USR_BIN, BB_SUID_DROP, yes)) +//applet:IF_YES(APPLET_NOEXEC(yes, yes, BB_DIR_USR_BIN, BB_SUID_DROP, yes)) +/* was NOFORK, but then yes can't be ^C'ed if run by hush */ //kbuild:lib-$(CONFIG_YES) += yes.o |