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From c7d2479482048b92d177c28c53fc80749fe94c6e Mon Sep 17 00:00:00 2001
From: Tim Waugh <twaugh@redhat.com>
Date: Tue, 9 Aug 2016 18:11:30 +0200
Subject: Let snmp backend also use manufacturer-specific MIBs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
… of HP and Ricoh to obtain the device IDs of network-connected
printers. This way we get more reliable information about make and model
and in addition the supported page description languages, which allows one to
identify whether an optional PostScript add-on is installed or for an
unsupported printer which generic PPD is the best choice (requested by
Ricoh).
Bug: https://www.cups.org/str.php?L3552
---
backend/snmp.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/backend/snmp.c b/backend/snmp.c
index 66ac884c6..9572822a8 100644
--- a/backend/snmp.c
+++ b/backend/snmp.c
@@ -154,6 +154,8 @@ static const int UriOID[] = { CUPS_OID_ppmPortServiceNameOrURI, 1, 1, -1 };
static const int LexmarkProductOID[] = { 1,3,6,1,4,1,641,2,1,2,1,2,1,-1 };
static const int LexmarkProductOID2[] = { 1,3,6,1,4,1,674,10898,100,2,1,2,1,2,1,-1 };
static const int LexmarkDeviceIdOID[] = { 1,3,6,1,4,1,641,2,1,2,1,3,1,-1 };
+static const int HPDeviceIdOID[] = { 1,3,6,1,4,1,11,2,3,9,1,1,7,0,-1 };
+static const int RicohDeviceIdOID[] = { 1,3,6,1,4,1,367,3,2,1,1,1,11,0,-1 };
static const int XeroxProductOID[] = { 1,3,6,1,4,1,128,2,1,3,1,2,0,-1 };
static cups_array_t *DeviceURIs = NULL;
static int HostNameLookups = 0;
@@ -969,9 +971,15 @@ read_snmp_response(int fd) /* I - SNMP socket file descriptor */
_cupsSNMPWrite(fd, &(packet.address), CUPS_SNMP_VERSION_1,
packet.community, CUPS_ASN1_GET_REQUEST,
DEVICE_ID, LexmarkDeviceIdOID);
+ _cupsSNMPWrite(fd, &(packet.address), CUPS_SNMP_VERSION_1,
+ packet.community, CUPS_ASN1_GET_REQUEST,
+ DEVICE_ID, RicohDeviceIdOID);
_cupsSNMPWrite(fd, &(packet.address), CUPS_SNMP_VERSION_1,
packet.community, CUPS_ASN1_GET_REQUEST,
DEVICE_PRODUCT, XeroxProductOID);
+ _cupsSNMPWrite(fd, &(packet.address), CUPS_SNMP_VERSION_1,
+ packet.community, CUPS_ASN1_GET_REQUEST,
+ DEVICE_ID, HPDeviceIdOID);
break;
case DEVICE_DESCRIPTION :
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