45 lines
1.4 KiB
Diff
45 lines
1.4 KiB
Diff
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From 6e21d41f5d9f6437c00dd0150654415b172e391a Mon Sep 17 00:00:00 2001
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From: Mark Reynolds <mreynolds@redhat.com>
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Date: Wed, 25 Aug 2021 16:54:57 -0400
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Subject: [PATCH 1/3] Issue 4884 - server crashes when dnaInterval attribute is
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set to zero
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Bug Description:
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A division by zero crash occurs if the dnaInterval is set to zero
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Fix Description:
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Validate the config value of dnaInterval and adjust it to the
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default/safe value of "1" if needed.
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relates: https://github.com/389ds/389-ds-base/issues/4884
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Reviewed by: tbordaz(Thanks!)
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---
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ldap/servers/plugins/dna/dna.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/ldap/servers/plugins/dna/dna.c b/ldap/servers/plugins/dna/dna.c
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index 928a3f54a..c983ebdd0 100644
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--- a/ldap/servers/plugins/dna/dna.c
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+++ b/ldap/servers/plugins/dna/dna.c
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@@ -1025,7 +1025,14 @@ dna_parse_config_entry(Slapi_PBlock *pb, Slapi_Entry *e, int apply)
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value = slapi_entry_attr_get_charptr(e, DNA_INTERVAL);
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if (value) {
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+ errno = 0;
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entry->interval = strtoull(value, 0, 0);
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+ if (entry->interval == 0 || errno == ERANGE) {
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+ slapi_log_err(SLAPI_LOG_WARNING, DNA_PLUGIN_SUBSYSTEM,
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+ "dna_parse_config_entry - Invalid value for dnaInterval (%s), "
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+ "Using default value of 1\n", value);
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+ entry->interval = 1;
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+ }
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slapi_ch_free_string(&value);
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}
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--
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2.31.1
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