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From 65976fe3f9db1fc9581bb00060be38c48512b672 Mon Sep 17 00:00:00 2001
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From: Pavel Reichl <preichl@redhat.com>
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Date: Tue, 14 Jul 2015 04:21:34 -0400
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Subject: [PATCH 17/19] DYNDNS: special value '*' for dyndns_iface option
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Option dyndns_iface has now special value '*' which implies that IPs
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from add interfaces should be sent during DDNS update.
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---
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src/man/sssd-ad.5.xml | 6 ++++--
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src/man/sssd-ipa.5.xml | 9 ++++-----
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src/providers/dp_dyndns.c | 20 ++++++++++++++++----
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3 files changed, 24 insertions(+), 11 deletions(-)
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diff --git a/src/man/sssd-ad.5.xml b/src/man/sssd-ad.5.xml
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index ff43ea37066514a87934d07b141e680416dcc05b..3cbc10520098372d984d00425d03832d002d6672 100644
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--- a/src/man/sssd-ad.5.xml
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+++ b/src/man/sssd-ad.5.xml
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@@ -756,10 +756,12 @@ ad_gpo_map_deny = +my_pam_service
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Optional. Applicable only when dyndns_update
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is true. Choose the interface or a list of interfaces
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whose IP addresses should be used for dynamic DNS
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- updates.
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+ updates. Special value <quote>*</quote> implies that
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+ IPs from all interfaces should be used.
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</para>
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<para>
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- Default: Use the IP address of the AD LDAP connection
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+ Default: Use the IP addresses of the interface which
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+ is used for AD LDAP connection
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</para>
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<para>
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Example: dyndns_iface = em1, vnet1, vnet2
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diff --git a/src/man/sssd-ipa.5.xml b/src/man/sssd-ipa.5.xml
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index d450c2fadbb1713096ff766bf536702195cfd137..2e985991fde10827aff0e7c8e67f29a009683450 100644
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--- a/src/man/sssd-ipa.5.xml
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+++ b/src/man/sssd-ipa.5.xml
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@@ -168,10 +168,8 @@
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Optional. Applicable only when dyndns_update
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is true. Choose the interface or a list of interfaces
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whose IP addresses should be used for dynamic DNS
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- updates.
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- </para>
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- <para>
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- NOTE: This option currently supports multiple interfaces.
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+ updates. Special value <quote>*</quote> implies that
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+ IPs from all interfaces should be used.
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</para>
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<para>
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NOTE: While it is still possible to use the old
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@@ -180,7 +178,8 @@
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in their config file.
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</para>
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<para>
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- Default: Use the IP address of the IPA LDAP connection
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+ Default: Use the IP addresses of the interface which
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+ is used for IPA LDAP connection
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</para>
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<para>
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Example: dyndns_iface = em1, vnet1, vnet2
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diff --git a/src/providers/dp_dyndns.c b/src/providers/dp_dyndns.c
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index 76562840ef1d427629e41617b871caaedab779d4..03389acfba13e566540ca8b0570c0d009173575f 100644
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--- a/src/providers/dp_dyndns.c
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+++ b/src/providers/dp_dyndns.c
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@@ -42,6 +42,9 @@
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#define DYNDNS_TIMEOUT 15
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#endif /* DYNDNS_TIMEOUT */
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+/* MASK represents special value for matching all interfaces */
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+#define MASK "*"
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+
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struct sss_iface_addr {
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struct sss_iface_addr *next;
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struct sss_iface_addr *prev;
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@@ -171,6 +174,16 @@ ok_for_dns(struct sockaddr *sa)
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return true;
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}
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+static bool supported_address_family(sa_family_t sa_family)
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+{
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+ return sa_family == AF_INET || sa_family == AF_INET6;
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+}
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+
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+static bool matching_name(const char *ifname, const char *ifname2)
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+{
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+ return (strcmp(MASK, ifname) == 0) || (strcasecmp(ifname, ifname2) == 0);
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+}
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+
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/* Collect IP addresses associated with an interface */
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errno_t
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sss_iface_addr_list_get(TALLOC_CTX *mem_ctx, const char *ifname,
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@@ -200,10 +213,9 @@ sss_iface_addr_list_get(TALLOC_CTX *mem_ctx, const char *ifname,
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if (!ifa->ifa_addr) continue;
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/* Add IP addresses to the list */
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- if ((ifa->ifa_addr->sa_family == AF_INET ||
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- ifa->ifa_addr->sa_family == AF_INET6) &&
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- strcasecmp(ifa->ifa_name, ifname) == 0 &&
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- ok_for_dns(ifa->ifa_addr)) {
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+ if (supported_address_family(ifa->ifa_addr->sa_family)
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+ && matching_name(ifname, ifa->ifa_name)
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+ && ok_for_dns(ifa->ifa_addr)) {
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/* Add this address to the IP address list */
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address = talloc_zero(mem_ctx, struct sss_iface_addr);
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--
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2.4.3
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