pivot_root: make it NOFORK
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -261,7 +261,7 @@ pidof - nofork candidate(uses find_pid_by_name, is that ok?)
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ping - suid, runner
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ping6 - suid, runner
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pipe_progress - longterm
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pivot_root - nofork candidate? the code is trivial
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pivot_root - NOFORK
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pkill - nofork candidate(xregcomp, procps_scan - are they ok?)
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pmap - noexec candidate, leaks: open+xstrdup
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popmaildir - runner
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@ -21,7 +21,7 @@
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//config: Note: This is for initrd in linux 2.4. Under initramfs (introduced
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//config: in linux 2.6) use switch_root instead.
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//applet:IF_PIVOT_ROOT(APPLET(pivot_root, BB_DIR_SBIN, BB_SUID_DROP))
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//applet:IF_PIVOT_ROOT(APPLET_NOFORK(pivot_root, pivot_root, BB_DIR_SBIN, BB_SUID_DROP, pivot_root))
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//kbuild:lib-$(CONFIG_PIVOT_ROOT) += pivot_root.o
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@ -33,7 +33,7 @@
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#include "libbb.h"
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extern int pivot_root(const char * new_root,const char * put_old);
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extern int pivot_root(const char *new_root, const char *put_old);
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int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int pivot_root_main(int argc, char **argv)
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@ -41,6 +41,8 @@ int pivot_root_main(int argc, char **argv)
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if (argc != 3)
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bb_show_usage();
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/* NOFORK applet. Hardly matters wrt performance, but code is trivial */
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if (pivot_root(argv[1], argv[2]) < 0) {
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/* prints "pivot_root: <strerror text>" */
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bb_perror_nomsg_and_die();
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