47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
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From 5f6232c7e6d9635c1d6b6b09f799309b6094b143 Mon Sep 17 00:00:00 2001
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From: Simo Sorce <simo@redhat.com>
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Date: Tue, 25 Apr 2017 14:00:15 +0000
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Subject: [PATCH 5/6] ssh tools: Fix issues with multiple IP addresses
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Cycle through all resolved address until one succeed or all fail.
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This is needed for dual stack systems where either IPv4 or IPv6 are
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improperly configured or selectively filtered at some point along the
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route.
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Resolves:
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https://pagure.io/SSSD/sssd/issue/1498
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Merges: https://pagure.io/SSSD/sssd/pull-request/3383
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Signed-off-by: Simo Sorce <simo@redhat.com>
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Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
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---
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src/sss_client/ssh/sss_ssh_knownhostsproxy.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/src/sss_client/ssh/sss_ssh_knownhostsproxy.c b/src/sss_client/ssh/sss_ssh_knownhostsproxy.c
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index 310243c2fc8091f711559d4afb412e619af687ad..b7b0c3bb66226be1c6453332a0b3af9fdf4e5a29 100644
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--- a/src/sss_client/ssh/sss_ssh_knownhostsproxy.c
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+++ b/src/sss_client/ssh/sss_ssh_knownhostsproxy.c
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@@ -295,7 +295,13 @@ int main(int argc, const char **argv)
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if (pc_args) {
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ret = connect_proxy_command(discard_const(pc_args));
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} else if (ai) {
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- ret = connect_socket(ai->ai_family, ai->ai_addr, ai->ai_addrlen);
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+ /* Try all IP addresses before giving up */
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+ for (struct addrinfo *ti = ai; ti != NULL; ti = ti->ai_next) {
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+ ret = connect_socket(ti->ai_family, ti->ai_addr, ti->ai_addrlen);
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+ if (ret == 0) {
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+ break;
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+ }
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+ }
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} else {
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ret = EFAULT;
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}
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--
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2.12.2
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