2007-11-19 07:50:57 +00:00
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386611: snmpd segfaults on xen network interfaces
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Source: http://sourceforge.net/tracker/index.php?func=detail&aid=1794532&group_id=12694&atid=112694
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Reviewed-By: Jan Safranek <jsafrane@redhat.com>
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Index: agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_data_access.c
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===================================================================
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2008-07-25 11:03:32 +00:00
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diff -up net-snmp-5.4.1/agent/mibgroup/ip-mib/data_access/ipaddress_common.c.backup_patch_16 net-snmp-5.4.1/agent/mibgroup/ip-mib/data_access/ipaddress_common.c
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--- net-snmp-5.4.1/agent/mibgroup/ip-mib/data_access/ipaddress_common.c.backup_patch_16 2007-07-17 01:59:44.000000000 +0200
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+++ net-snmp-5.4.1/agent/mibgroup/ip-mib/data_access/ipaddress_common.c 2008-07-25 12:53:57.000000000 +0200
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@@ -411,6 +411,7 @@ static int _access_ipaddress_entry_compa
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{
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const netsnmp_ipaddress_entry *lh = (const netsnmp_ipaddress_entry *)lhs;
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const netsnmp_ipaddress_entry *rh = (const netsnmp_ipaddress_entry *)rhs;
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+ int rc;
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netsnmp_assert(NULL != lhs);
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netsnmp_assert(NULL != rhs);
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@@ -426,5 +427,17 @@ static int _access_ipaddress_entry_compa
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/*
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* length equal, compare address
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*/
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- return memcmp(lh->ia_address, rh->ia_address, lh->ia_address_len);
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+ rc = memcmp(lh->ia_address, rh->ia_address, lh->ia_address_len);
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+ if (rc)
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+ return rc;
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+
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+ /*
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+ * address same, compare ifIndex
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+ */
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+ if (lh->if_index < rh->if_index)
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+ return -1;
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+ else if (lh->if_index > rh->if_index)
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+ return 1;
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+
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+ return 0;
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}
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diff -up net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.c.backup_patch_16 net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.c
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--- net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.c.backup_patch_16 2006-12-06 16:10:40.000000000 +0100
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+++ net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.c 2008-07-25 12:53:57.000000000 +0200
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@@ -348,10 +348,18 @@ ipAddressAddrType_map(u_long * mib_ipAdd
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2007-11-19 07:50:57 +00:00
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*mib_ipAddressAddrType_val_ptr = INETADDRESSTYPE_IPV4;
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break;
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+ case INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV4Z:
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+ *mib_ipAddressAddrType_val_ptr = INETADDRESSTYPE_IPV4Z;
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+ break;
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+
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case INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV6:
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*mib_ipAddressAddrType_val_ptr = INETADDRESSTYPE_IPV6;
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break;
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+ case INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV6Z:
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+ *mib_ipAddressAddrType_val_ptr = INETADDRESSTYPE_IPV6Z;
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+ break;
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+
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default:
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snmp_log(LOG_ERR, "couldn't map value %ld for ipAddressAddrType\n",
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raw_ipAddressAddrType_val);
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2008-07-25 11:03:32 +00:00
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@@ -382,8 +390,11 @@ int
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2007-11-19 07:50:57 +00:00
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ipAddressTable_indexes_set_tbl_idx(ipAddressTable_mib_index * tbl_idx,
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u_long ipAddressAddrType_val,
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char *ipAddressAddr_val_ptr,
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- size_t ipAddressAddr_val_ptr_len)
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+ size_t ipAddressAddr_val_ptr_len,
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+ u_long ipAddressAddr_ifIndex)
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{
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+ uint32_t zone = htonl(ipAddressAddr_ifIndex);
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+
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DEBUGMSGTL(("verbose:ipAddressTable:ipAddressTable_indexes_set_tbl_idx", "called\n"));
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/*
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2008-07-25 11:03:32 +00:00
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@@ -409,6 +420,11 @@ ipAddressTable_indexes_set_tbl_idx(ipAdd
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2007-11-19 07:50:57 +00:00
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memcpy(tbl_idx->ipAddressAddr, ipAddressAddr_val_ptr,
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ipAddressAddr_val_ptr_len * sizeof(ipAddressAddr_val_ptr[0]));
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+ /** zone */
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+ tbl_idx->ipAddressAddr_len += sizeof(zone);
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+ memcpy(&tbl_idx->ipAddressAddr[ipAddressAddr_val_ptr_len *
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+ sizeof(ipAddressAddr_val_ptr[0])],
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+ &zone, sizeof(zone));
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return MFD_SUCCESS;
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} /* ipAddressTable_indexes_set_tbl_idx */
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2008-07-25 11:03:32 +00:00
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@@ -430,7 +446,8 @@ int
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2007-11-19 07:50:57 +00:00
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ipAddressTable_indexes_set(ipAddressTable_rowreq_ctx * rowreq_ctx,
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u_long ipAddressAddrType_val,
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char *ipAddressAddr_val_ptr,
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- size_t ipAddressAddr_val_ptr_len)
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+ size_t ipAddressAddr_val_ptr_len,
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+ u_long ipAddressAddr_ifIndex)
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{
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DEBUGMSGTL(("verbose:ipAddressTable:ipAddressTable_indexes_set",
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"called\n"));
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2008-07-25 11:03:32 +00:00
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@@ -439,7 +456,8 @@ ipAddressTable_indexes_set(ipAddressTabl
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2007-11-19 07:50:57 +00:00
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ipAddressTable_indexes_set_tbl_idx(&rowreq_ctx->tbl_idx,
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ipAddressAddrType_val,
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ipAddressAddr_val_ptr,
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- ipAddressAddr_val_ptr_len))
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+ ipAddressAddr_val_ptr_len,
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+ ipAddressAddr_ifIndex))
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return MFD_ERROR;
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/*
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2008-07-25 11:03:32 +00:00
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diff -up net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_constants.h.backup_patch_16 net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_constants.h
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--- net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_constants.h.backup_patch_16 2005-12-01 18:00:57.000000000 +0100
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+++ net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_constants.h 2008-07-25 12:53:57.000000000 +0200
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@@ -106,7 +106,9 @@ extern "C" {
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2007-11-19 07:50:57 +00:00
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* simplistic map of address length to type
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*/
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#define INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV4 4
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+#define INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV4Z 5
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#define INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV6 16
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+#define INTERNAL_IPADDRESSTABLE_IPADDRESSADDRTYPE_IPV6Z 17
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/*************************************************************
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2008-07-25 11:03:32 +00:00
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diff -up net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_data_access.c.backup_patch_16 net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_data_access.c
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--- net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_data_access.c.backup_patch_16 2007-05-17 23:53:28.000000000 +0200
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+++ net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable_data_access.c 2008-07-25 12:53:57.000000000 +0200
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@@ -258,9 +258,10 @@ _add_new_entry(netsnmp_ipaddress_entry *
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if ((NULL != rowreq_ctx) &&
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(MFD_SUCCESS ==
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ipAddressTable_indexes_set(rowreq_ctx,
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- ipaddress_entry->ia_address_len,
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+ ipaddress_entry->ia_address_len + 1,
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ipaddress_entry->ia_address,
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- ipaddress_entry->ia_address_len))) {
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+ ipaddress_entry->ia_address_len,
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+ ipaddress_entry->if_index))) {
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if (CONTAINER_INSERT(container, rowreq_ctx) < 0) {
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DEBUGMSGTL (("ipAddressTable:access","container insert failed for new entry\n"));
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ipAddressTable_release_rowreq_ctx(rowreq_ctx);
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diff -up net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.h.backup_patch_16 net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.h
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--- net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.h.backup_patch_16 2006-01-25 17:28:12.000000000 +0100
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+++ net-snmp-5.4.1/agent/mibgroup/ip-mib/ipAddressTable/ipAddressTable.h 2008-07-25 12:53:57.000000000 +0200
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@@ -273,14 +273,16 @@ config_require(ip-mib/ipAddressTable/ipA
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2007-11-19 07:50:57 +00:00
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u_long ipAddressAddrType_val,
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char *ipAddressAddr_val_ptr,
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size_t
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- ipAddressAddr_val_ptr_len);
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+ ipAddressAddr_val_ptr_len,
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+ u_long ipAddressAddr_ifIndex);
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int ipAddressTable_indexes_set(ipAddressTable_rowreq_ctx *
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rowreq_ctx,
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u_long
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ipAddressAddrType_val,
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char *ipAddressAddr_val_ptr,
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size_t
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- ipAddressAddr_val_ptr_len);
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+ ipAddressAddr_val_ptr_len,
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+ u_long ipAddressAddr_ifIndex);
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