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string_helpers: add kstrdup_quotable_cmdline

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Provide an escaped (but readable: no inter-argument NULLs) commandline
safe for logging.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Kees Cook 2016-04-20 15:46:24 -07:00 • committed by James Morris
parent b53f27e4fa
commit 0d0443288f
2 changed files with 35 additions and 0 deletions
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include/linux/string_helpers.h
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@ -69,5 +69,6 @@ static inline int string_escape_str_any_np(const char *src, char *dst,
}
char *kstrdup_quotable(const char *src, gfp_t gfp);
char *kstrdup_quotable_cmdline(struct task_struct *task, gfp_t gfp);
#endif