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42538: Temporarily set umask for here document.
Done while signals are queued.
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3 changed files with 19 additions and 0 deletions
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@ -1,3 +1,9 @@
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2018-03-27 Peter Stephenson <p.stephenson@samsung.com>
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* Martijn: 42538: Src/utils.c, Test/A04redirect.ztst:
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temporarily set umask (with signals queued) while reading
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here document.
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2018-03-25 Barton E. Schaefer <schaefer@zsh.org>
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* 42480: Src/utils.c: optimize $#var for single-byte character sets
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@ -2177,10 +2177,12 @@ gettempfile(const char *prefix, int use_heap, char **tempname)
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{
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char *fn;
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int fd;
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mode_t old_umask;
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#if HAVE_MKSTEMP
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char *suffix = prefix ? ".XXXXXX" : "XXXXXX";
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queue_signals();
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old_umask = umask(0177);
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if (!prefix && !(prefix = getsparam("TMPPREFIX")))
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prefix = DEFAULT_TMPPREFIX;
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if (use_heap)
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@ -2198,6 +2200,7 @@ gettempfile(const char *prefix, int use_heap, char **tempname)
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int failures = 0;
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queue_signals();
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old_umask = umask(0177);
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do {
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if (!(fn = gettempname(prefix, use_heap))) {
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fd = -1;
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@ -2212,6 +2215,7 @@ gettempfile(const char *prefix, int use_heap, char **tempname)
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#endif
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*tempname = fn;
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umask(old_umask);
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unqueue_signals();
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return fd;
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}
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@ -667,3 +667,12 @@
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0:Redirect in the middle of assignments
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>b
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>d
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umask 0777
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cat <<' HERE'
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look ma, no permissions
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HERE
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cat <<<"it's a miracle"
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0:Here-{string,document}s succeed with restrictive umask
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> look ma, no permissions
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>it's a miracle
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