File 0012-ITS8051-sockdnpat.patch of Package openldap2.24987

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File 0012-ITS8051-sockdnpat.patch of Package openldap2.24987

From 328612d3370290c7f42ad835e1b0e3189eadef7b Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Wed, 4 Feb 2015 03:53:13 +0000
Subject: [PATCH] ITS#8051 add DN qualifier

---
 doc/man/man5/slapd-sock.5           |  5 +++++
 servers/slapd/back-sock/back-sock.h |  2 ++
 servers/slapd/back-sock/config.c    | 32 +++++++++++++++++++++++++++++---
 3 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/doc/man/man5/slapd-sock.5 b/doc/man/man5/slapd-sock.5
index ee8cc919f..1ac4f7fdd 100644
--- a/doc/man/man5/slapd-sock.5
+++ b/doc/man/man5/slapd-sock.5
@@ -58,6 +58,11 @@ Specify which response types to send to the external program. "result"
 sends just the results of an operation. "search" sends all entries that
 the database returned for a search request. The default is empty
 (no responses are sent).
+.TP
+.B sockdnpat	<regexp>
+Specify DN patterns for which the overlay will act. Only operations on
+DNs matching the specified regular expression will be processed. The default
+is empty (all DNs are processed).
 
 .SH PROTOCOL
 The protocol is essentially the same as
diff --git a/servers/slapd/back-sock/back-sock.h b/servers/slapd/back-sock/back-sock.h
index 15495a6bc..7a083a8df 100644
--- a/servers/slapd/back-sock/back-sock.h
+++ b/servers/slapd/back-sock/back-sock.h
@@ -30,6 +30,8 @@ struct sockinfo {
 	slap_mask_t	si_extensions;
 	slap_mask_t	si_ops;		/* overlay: operations to act on */
 	slap_mask_t	si_resps;	/* overlay: responses to forward */
+	regex_t	si_dnpat;		/* overlay: DN pattern to match */
+	struct berval 	si_dnpatstr;
 };
 
 #define	SOCK_EXT_BINDDN	1
diff --git a/servers/slapd/back-sock/config.c b/servers/slapd/back-sock/config.c
index d8ff95ceb..dc3f1365c 100644
--- a/servers/slapd/back-sock/config.c
+++ b/servers/slapd/back-sock/config.c
@@ -36,11 +36,12 @@ static slap_response sock_over_response;
 enum {
 	BS_EXT = 1,
 	BS_OPS,
-	BS_RESP
+	BS_RESP,
+	BS_DNPAT
 };
 
 /* The number of overlay-only config attrs */
-#define NUM_OV_ATTRS	2
+#define NUM_OV_ATTRS	3
 
 static ConfigTable bscfg[] = {
 	{ "sockops", "ops", 2, 0, 0, ARG_MAGIC|BS_OPS,
@@ -53,6 +54,11 @@ static ConfigTable bscfg[] = {
 			"DESC 'Response types to forward' "
 			"EQUALITY caseIgnoreMatch "
 			"SYNTAX OMsDirectoryString )", NULL, NULL },
+	{ "sockdnpat", "regexp", 2, 2, 0, ARG_MAGIC|BS_DNPAT,
+		bs_cf_gen, "( OLcfgDbAt:7.5 NAME 'olcOvSocketDNpat' "
+			"DESC 'DN pattern to match' "
+			"EQUALITY caseIgnoreMatch "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
 
 	{ "socketpath", "pathname", 2, 2, 0, ARG_STRING|ARG_OFFSET,
 		(void *)offsetof(struct sockinfo, si_sockpath),
@@ -86,7 +92,8 @@ static ConfigOCs osocs[] = {
 		"SUP olcOverlayConfig "
 		"MUST olcDbSocketPath "
 		"MAY ( olcDbSocketExtensions $ "
-			" olcOvSocketOps $ olcOvSocketResps ) )",
+			" olcOvSocketOps $ olcOvSocketResps $ "
+			" olcOvSocketDNpat ) )",
 			Cft_Overlay, bscfg },
 	{ NULL, 0, NULL }
 };
@@ -150,6 +157,9 @@ bs_cf_gen( ConfigArgs *c )
 			return mask_to_verbs( ov_ops, si->si_ops, &c->rvalue_vals );
 		case BS_RESP:
 			return mask_to_verbs( ov_resps, si->si_resps, &c->rvalue_vals );
+		case BS_DNPAT:
+			value_add_one( &c->rvalue_vals, &si->si_dnpatstr );
+			return 0;
 		}
 	} else if ( c->op == LDAP_MOD_DELETE ) {
 		switch( c->type ) {
@@ -186,6 +196,11 @@ bs_cf_gen( ConfigArgs *c )
 					si->si_resps ^= dels;
 			}
 			return rc;
+		case BS_DNPAT:
+			regfree( &si->si_dnpat );
+			ch_free( si->si_dnpatstr.bv_val );
+			BER_BVZERO( &si->si_dnpatstr );
+			return 0;
 		}
 
 	} else {
@@ -196,6 +211,13 @@ bs_cf_gen( ConfigArgs *c )
 			return verbs_to_mask( c->argc, c->argv, ov_ops, &si->si_ops );
 		case BS_RESP:
 			return verbs_to_mask( c->argc, c->argv, ov_resps, &si->si_resps );
+		case BS_DNPAT:
+			if ( !regcomp( &si->si_dnpat, c->argv[1], REG_EXTENDED|REG_ICASE|REG_NOSUB )) {
+				ber_str2bv( c->argv[1], 0, 1, &si->si_dnpatstr );
+				return 0;
+			} else {
+				return 1;
+			}
 		}
 	}
 	return 1;
@@ -268,6 +290,10 @@ static int sock_over_op(
 	if ( !(si->si_ops & sockopflags[which]))
 		return SLAP_CB_CONTINUE;
 
+	if ( !BER_BVISEMPTY( &si->si_dnpatstr ) &&
+		regexec( &si->si_dnpat, op->o_req_ndn.bv_val, 0, NULL, 0 ))
+		return SLAP_CB_CONTINUE;
+
 	op->o_bd->be_private = si;
 	sc = op->o_callback;
 	op->o_callback = NULL;

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File 0012-ITS8051-sockdnpat.patch of Package openldap2.24987

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