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55 lines
2 KiB
Diff
55 lines
2 KiB
Diff
From f50f01f4b738f2f00b30d0e02e8cf54ab99a9f27 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Wed, 28 Jan 2015 17:47:37 +0100
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Subject: [PATCH] sd-dhcp: chop of trailing dot of DHCP supplied host and
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domain nams
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---
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src/libsystemd-network/sd-dhcp-lease.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c
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index 00fef16..34aa36c 100644
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--- a/src/libsystemd-network/sd-dhcp-lease.c
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+++ b/src/libsystemd-network/sd-dhcp-lease.c
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@@ -497,11 +497,20 @@ int dhcp_lease_parse_options(uint8_t code, uint8_t len, const uint8_t *option,
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case DHCP_OPTION_DOMAIN_NAME:
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{
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_cleanup_free_ char *domainname = NULL;
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+ char *e;
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r = lease_parse_string(option, len, &domainname);
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if (r < 0)
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return r;
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+ /* Chop off trailing dot of domain name that some DHCP
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+ * servers send us back. Internally we want to store
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+ * host names without trailing dots and
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+ * host_name_is_valid() doesn't accept them. */
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+ e = endswith(domainname, ".");
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+ if (e)
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+ *e = 0;
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+
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if (!hostname_is_valid(domainname) || is_localhost(domainname))
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break;
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@@ -514,11 +523,16 @@ int dhcp_lease_parse_options(uint8_t code, uint8_t len, const uint8_t *option,
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case DHCP_OPTION_HOST_NAME:
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{
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_cleanup_free_ char *hostname = NULL;
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+ char *e;
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r = lease_parse_string(option, len, &hostname);
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if (r < 0)
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return r;
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+ e = endswith(hostname, ".");
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+ if (e)
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+ *e = 0;
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+
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if (!hostname_is_valid(hostname) || is_localhost(hostname))
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break;
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--
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2.3.0
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