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From a81ba5e1bfabf643e11fec41c1ce646874ae0df1 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Wed, 20 May 2015 14:37:21 +0200
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Subject: [PATCH] journald: handle more gracefully when bind() fails on audit
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sockets
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(cherry picked from commit 417a7fdc418ec76cc4c321c9a07ec15c72b3ac7d)
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Cherry-picked from: 417a7fd
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Resolves: #1222517
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---
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src/journal/journald-audit.c | 11 ++++++++---
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1 file changed, 8 insertions(+), 3 deletions(-)
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diff --git a/src/journal/journald-audit.c b/src/journal/journald-audit.c
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index 46eb82fa3..0e739a23a 100644
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--- a/src/journal/journald-audit.c
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+++ b/src/journal/journald-audit.c
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@@ -532,9 +532,14 @@ int server_open_audit(Server *s) {
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return 0;
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}
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- r = bind(s->audit_fd, &sa.sa, sizeof(sa.nl));
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- if (r < 0)
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- return log_error_errno(errno, "Failed to join audit multicast group: %m");
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+ if (bind(s->audit_fd, &sa.sa, sizeof(sa.nl)) < 0) {
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+ log_warning_errno(errno,
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+ "Failed to join audit multicast group. "
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+ "The kernel is probably too old or multicast reading is not supported. "
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+ "Ignoring: %m");
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+ s->audit_fd = safe_close(s->audit_fd);
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+ return 0;
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+ }
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} else
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fd_nonblock(s->audit_fd, 1);
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