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From f05adc23d5cc9f1dfa5638e31949dcd81d632df9 Mon Sep 17 00:00:00 2001
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From: Sumit Bose <sbose@redhat.com>
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Date: Mon, 13 Aug 2018 17:32:24 +0200
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Subject: [PATCH 3/4] Do not add service principals twice
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---
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 library/adenroll.c | 23 +++++++++++++++++++----
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 1 file changed, 19 insertions(+), 4 deletions(-)
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diff --git a/library/adenroll.c b/library/adenroll.c
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index c4ba537..bb50365 100644
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--- a/library/adenroll.c
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+++ b/library/adenroll.c
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@@ -313,6 +313,7 @@ add_service_names_to_service_principals (adcli_enroll *enroll)
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 	char *name;
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 	int length = 0;
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 	int i;
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+	size_t c;
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 	if (enroll->service_principals != NULL) {
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 		length = seq_count (enroll->service_principals);
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@@ -321,14 +322,28 @@ add_service_names_to_service_principals (adcli_enroll *enroll)
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 	for (i = 0; enroll->service_names[i] != NULL; i++) {
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 		if (asprintf (&name, "%s/%s", enroll->service_names[i], enroll->computer_name) < 0)
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 			return_unexpected_if_reached ();
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-		enroll->service_principals = _adcli_strv_add (enroll->service_principals,
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-			                                      name, &length);
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+		for (c = 0; enroll->service_principals != NULL && enroll->service_principals[c] != NULL; c++) {
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+			if (strcmp (name, enroll->service_principals[c]) == 0) {
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+				break;
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+			}
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+		}
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+		if (enroll->service_principals == NULL || enroll->service_principals[c] == NULL) {
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+			enroll->service_principals = _adcli_strv_add (enroll->service_principals,
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+				                                      name, &length);
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+		}
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 		if (enroll->host_fqdn) {
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 			if (asprintf (&name, "%s/%s", enroll->service_names[i], enroll->host_fqdn) < 0)
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 				return_unexpected_if_reached ();
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-			enroll->service_principals = _adcli_strv_add (enroll->service_principals,
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-				                                      name, &length);
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+			for (c = 0; enroll->service_principals != NULL && enroll->service_principals[c] != NULL; c++) {
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+				if (strcmp (name, enroll->service_principals[c]) == 0) {
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+					break;
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+				}
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+			}
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+			if (enroll->service_principals == NULL || enroll->service_principals[c] == NULL) {
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+				enroll->service_principals = _adcli_strv_add (enroll->service_principals,
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+					                                      name, &length);
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+			}
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 		}
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 	}
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-- 
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2.17.1
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