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CVE-2023-0614 ldb: Add function to remove excess capacity from an ldb message
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15270 Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> [abartlet@samba.org Adapted to conflict from lack of new ldb_ascii_toupper() in ldb_private.h]
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@ -1497,6 +1497,22 @@ void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr)
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}
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}
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/* Reallocate elements to drop any excess capacity. */
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void ldb_msg_shrink_to_fit(struct ldb_message *msg)
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{
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if (msg->num_elements > 0) {
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struct ldb_message_element *elements = talloc_realloc(msg,
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msg->elements,
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struct ldb_message_element,
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msg->num_elements);
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if (elements != NULL) {
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msg->elements = elements;
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}
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} else {
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TALLOC_FREE(msg->elements);
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}
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}
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/*
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return a LDAP formatted GeneralizedTime string
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*/
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@ -317,4 +317,7 @@ int ldb_match_message(struct ldb_context *ldb,
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const struct ldb_parse_tree *tree,
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enum ldb_scope scope, bool *matched);
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/* Reallocate elements to drop any excess capacity. */
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void ldb_msg_shrink_to_fit(struct ldb_message *msg);
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#endif
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