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author | Jim Meyering <jim@meyering.net> | 1998-12-13 19:26:35 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1998-12-13 19:26:35 +0000 |
commit | 7dfd5ca1cd8db43dae50c6f0a5d3038bcc6a0a5f (patch) | |
tree | ec3bec2435b59d9625e1fc149b835520b8198eba /src/tac.c | |
parent | c5195207dba0429aede01fe0b9395f4a261ff9c2 (diff) | |
download | coreutils-7dfd5ca1cd8db43dae50c6f0a5d3038bcc6a0a5f.tar.xz |
add comment about opening exclusively
Diffstat (limited to 'src/tac.c')
-rw-r--r-- | src/tac.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -394,6 +394,8 @@ save_stdin (FILE **g_tmp, char **g_tempfile) sprintf (template, "%s/tacXXXXXX", tempdir); tempfile = mktemp (template); + /* Open temporary file exclusively, to foil a common + denial-of-service attack. */ fd = open (tempfile, O_RDWR | O_CREAT | O_TRUNC | O_EXCL, 0600); if (fd == -1) error (EXIT_FAILURE, errno, "%s", tempfile); |