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From 8ca799ea968e548337acb0300642a0d88f1bba9b Mon Sep 17 00:00:00 2001
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From: Sumit Bose <sbose@redhat.com>
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Date: Thu, 7 May 2020 15:47:35 +0200
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Subject: [PATCH 13/19] sysdb: make sysdb_update_subdomains() more robust
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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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Some NULL checks are added basically to allow that missing values can be
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set later.
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Resolves: https://github.com/SSSD/sssd/issues/5151
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Reviewed-by: Pavel Březina <pbrezina@redhat.com>
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---
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src/db/sysdb_subdomains.c | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/src/db/sysdb_subdomains.c b/src/db/sysdb_subdomains.c
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index b170d1978..d256817a6 100644
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--- a/src/db/sysdb_subdomains.c
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+++ b/src/db/sysdb_subdomains.c
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@@ -421,7 +421,9 @@ errno_t sysdb_update_subdomains(struct sss_domain_info *domain,
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}
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/* in theory these may change, but it should never happen */
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- if (strcasecmp(dom->realm, realm) != 0) {
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+ if ((dom->realm == NULL && realm != NULL)
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+ || (dom->realm != NULL && realm != NULL
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+ && strcasecmp(dom->realm, realm) != 0)) {
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DEBUG(SSSDBG_TRACE_INTERNAL,
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"Realm name changed from [%s] to [%s]!\n",
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dom->realm, realm);
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@@ -432,7 +434,9 @@ errno_t sysdb_update_subdomains(struct sss_domain_info *domain,
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goto done;
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}
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}
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- if (strcasecmp(dom->flat_name, flat) != 0) {
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+ if ((dom->flat_name == NULL && flat != NULL)
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+ || (dom->flat_name != NULL && flat != NULL
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+ && strcasecmp(dom->flat_name, flat) != 0)) {
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DEBUG(SSSDBG_TRACE_INTERNAL,
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"Flat name changed from [%s] to [%s]!\n",
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dom->flat_name, flat);
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@@ -443,7 +447,9 @@ errno_t sysdb_update_subdomains(struct sss_domain_info *domain,
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goto done;
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}
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}
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- if (strcasecmp(dom->domain_id, id) != 0) {
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+ if ((dom->domain_id == NULL && id != NULL)
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+ || (dom->domain_id != NULL && id != NULL
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+ && strcasecmp(dom->domain_id, id) != 0)) {
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DEBUG(SSSDBG_TRACE_INTERNAL,
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"Domain changed from [%s] to [%s]!\n",
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dom->domain_id, id);
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--
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2.21.3
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