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From 5c2848665791adf25f884fe942f310392fd88162 Mon Sep 17 00:00:00 2001
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From: Noriko Hosoi <nhosoi@redhat.com>
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Date: Mon, 28 Jul 2014 09:42:43 -0700
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Subject: [PATCH 242/243] Bug 1123477 - unauthenticated information disclosure
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Fix Description: nscpentrywsi is returned only authenticated as root.
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The bug was fixed by lkrispen@redhat.com (Ludwig Krispenz).
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His patch was modified based upon this review comment.
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https://bugzilla.redhat.com/show_bug.cgi?id=1123477#c2
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https://bugzilla.redhat.com/show_bug.cgi?id=1123861
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(cherry picked from commit aa90e26d5c4ea47b2a4a22f99cf0742cf48b3fae)
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(cherry picked from commit 394277fdcef70078b54a280de88ab06dd289cc7a)
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(cherry picked from commit fbb9bf0b37fdaec0856b9c78373a0fb1fa07a1dd)
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---
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 ldap/servers/slapd/computed.c     | 17 +++++++++++++++--
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 ldap/servers/slapd/entrywsi.c     |  2 +-
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 ldap/servers/slapd/slapi-plugin.h |  1 +
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 3 files changed, 17 insertions(+), 3 deletions(-)
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diff --git a/ldap/servers/slapd/computed.c b/ldap/servers/slapd/computed.c
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index 7c99b45..7a80c96 100644
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--- a/ldap/servers/slapd/computed.c
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+++ b/ldap/servers/slapd/computed.c
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@@ -59,6 +59,7 @@ struct _computed_attr_context {
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 struct _compute_evaluator {
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 	struct _compute_evaluator *next;
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 	slapi_compute_callback_t function;
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+	int rootonly;
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 };
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 typedef struct _compute_evaluator compute_evaluator;
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@@ -95,6 +96,13 @@ int compute_call_evaluators_nolock(computed_attr_context *c,slapi_compute_output
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         compute_evaluator *current = NULL;
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         for (current = compute_evaluators; (current != NULL) && (-1 == rc); current = current->next) {
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+		if (current->rootonly) {
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+			int isroot;
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+			slapi_pblock_get(c->pb, SLAPI_REQUESTOR_ISROOT, &isroot);
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+			if (!isroot) {
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+				continue;
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+			}
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+		}
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                 rc = (*(current->function))(c,type,e,outfn);
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         }
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         return rc;
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@@ -157,14 +165,19 @@ compute_stock_evaluator(computed_attr_context *c,char* type,Slapi_Entry *e,slapi
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 }
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 static void
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-compute_add_evaluator_nolock(slapi_compute_callback_t function, compute_evaluator *new_eval)
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+compute_add_evaluator_nolock(slapi_compute_callback_t function, compute_evaluator *new_eval, int rootonly)
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 {
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     new_eval->next = compute_evaluators;
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     new_eval->function = function;
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+    new_eval->rootonly = rootonly;
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     compute_evaluators = new_eval;
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 }
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 int slapi_compute_add_evaluator(slapi_compute_callback_t function)
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 {
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+	return slapi_compute_add_evaluator_ext(function, 0);
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+}
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+int slapi_compute_add_evaluator_ext(slapi_compute_callback_t function, int rootonly)
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+{
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 	int rc = 0;
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 	compute_evaluator *new_eval = NULL;
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 	PR_ASSERT(NULL != function);
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@@ -187,7 +200,7 @@ int slapi_compute_add_evaluator(slapi_compute_callback_t function)
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                     slapi_rwlock_wrlock(compute_evaluators_lock);
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                 }
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-                compute_add_evaluator_nolock(function, new_eval);
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+                compute_add_evaluator_nolock(function, new_eval, rootonly);
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                 if (need_lock) {
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                     slapi_rwlock_unlock(compute_evaluators_lock);
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diff --git a/ldap/servers/slapd/entrywsi.c b/ldap/servers/slapd/entrywsi.c
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index 8cee986..f184c7f 100644
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--- a/ldap/servers/slapd/entrywsi.c
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+++ b/ldap/servers/slapd/entrywsi.c
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@@ -864,7 +864,7 @@ entry_compute_nscpentrywsi(computed_attr_context *c,char* type,Slapi_Entry *e,sl
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 int 
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 entry_computed_attr_init()
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 {
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-	slapi_compute_add_evaluator(entry_compute_nscpentrywsi);
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+	slapi_compute_add_evaluator_ext(entry_compute_nscpentrywsi, 1 /* root only */);
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 	return 0;
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 }
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diff --git a/ldap/servers/slapd/slapi-plugin.h b/ldap/servers/slapd/slapi-plugin.h
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index c13a1a8..34962e2 100644
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--- a/ldap/servers/slapd/slapi-plugin.h
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+++ b/ldap/servers/slapd/slapi-plugin.h
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@@ -6010,6 +6010,7 @@ typedef int (*slapi_compute_output_t)(computed_attr_context *c,Slapi_Attr *a , S
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 typedef int (*slapi_compute_callback_t)(computed_attr_context *c,char* type,Slapi_Entry *e,slapi_compute_output_t outputfn);
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 typedef int (*slapi_search_rewrite_callback_t)(Slapi_PBlock *pb);
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 int slapi_compute_add_evaluator(slapi_compute_callback_t function);
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+int slapi_compute_add_evaluator_ext(slapi_compute_callback_t function, int rootonly);
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 int slapi_compute_add_search_rewriter(slapi_search_rewrite_callback_t function);
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 int	compute_rewrite_search_filter(Slapi_PBlock *pb);
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-- 
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1.8.1.4
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