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close stdin before running install scripts

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libalpm does not guarantee that script output will be presented to the
user or that stdin will be connected to a terminal.  Close stdin so that
scripts do not attempt to use it for user interaction.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Andrew Gregory 2015-03-25 05:54:26 -04:00 • committed by Allan McRae
parent 721b785e73
commit e374e6829c
1 changed files with 1 additions and 0 deletions
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lib/libalpm/util.c
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@ -536,6 +536,7 @@ int _alpm_run_chroot(alpm_handle_t *handle, const char *cmd, char *const argv[])
if(pid == 0) { if(pid == 0) {
/* this code runs for the child only (the actual chroot/exec) */ /* this code runs for the child only (the actual chroot/exec) */
close(0);
close(1); close(1);
close(2); close(2);
while(dup2(pipefd[1], 1) == -1 && errno == EINTR); while(dup2(pipefd[1], 1) == -1 && errno == EINTR);