37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
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commit 47db675c910a065fa9602753a904b050b0322f29
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Author: Dmitry V. Levin <ldv@altlinux.org>
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Date: Fri Jan 24 13:38:38 2014 +0000
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pam_xauth: avoid potential SIGPIPE when writing to xauth process
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Similar issue in pam_unix was fixed by commit Linux-PAM-0-73~8.
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* modules/pam_xauth/pam_xauth.c (run_coprocess): In the parent process,
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close the read end of input pipe after writing to its write end.
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modules/pam_xauth/pam_xauth.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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---
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diff --git a/modules/pam_xauth/pam_xauth.c b/modules/pam_xauth/pam_xauth.c
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index 7075547..c7ce55a 100644
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--- a/modules/pam_xauth/pam_xauth.c
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+++ b/modules/pam_xauth/pam_xauth.c
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@@ -179,12 +179,12 @@ run_coprocess(pam_handle_t *pamh, const char *input, char **output,
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}
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/* We're the parent, so close the other ends of the pipes. */
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- close(ipipe[0]);
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close(opipe[1]);
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/* Send input to the process (if we have any), then send an EOF. */
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if (input) {
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(void)pam_modutil_write(ipipe[1], input, strlen(input));
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}
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+ close(ipipe[0]); /* close here to avoid possible SIGPIPE above */
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close(ipipe[1]);
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/* Read data output until we run out of stuff to read. */
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_______________________________________________
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linux-pam-commits mailing list
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linux-pam-commits@lists.fedorahosted.org
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https://lists.fedorahosted.org/mailman/listinfo/linux-pam-commits
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